id sid tid token lemma pos 39928 1 1 MAN MAN NNP 39928 1 2 'S 's POS 39928 1 3 PLACE place NN 39928 1 4 IN in IN 39928 1 5 THE the DT 39928 1 6 UNIVERSE UNIVERSE NNP 39928 1 7 MAN MAN NNP 39928 1 8 'S 's POS 39928 1 9 PLACE place NN 39928 1 10 IN in IN 39928 1 11 THE the DT 39928 1 12 UNIVERSE UNIVERSE NNP 39928 1 13 A A NNP 39928 1 14 Study Study NNP 39928 1 15 of of IN 39928 1 16 the the DT 39928 1 17 Results result NNS 39928 1 18 of of IN 39928 1 19 Scientific Scientific NNP 39928 1 20 Research Research NNP 39928 1 21 in in IN 39928 1 22 Relation Relation NNP 39928 1 23 to to IN 39928 1 24 the the DT 39928 1 25 Unity Unity NNP 39928 1 26 or or CC 39928 1 27 Plurality Plurality NNP 39928 1 28 of of IN 39928 1 29 Worlds Worlds NNP 39928 1 30 BY by IN 39928 1 31 ALFRED ALFRED NNP 39928 1 32 R. R. NNP 39928 1 33 WALLACE WALLACE NNP 39928 1 34 LL.D. LL.D. NNP 39928 1 35 , , , 39928 1 36 D.C.L. D.C.L. NNP 39928 1 37 , , , 39928 1 38 F.R.S. F.R.S. NNP 39928 1 39 , , , 39928 1 40 ETC ETC NNP 39928 1 41 . . . 39928 2 1 ' ' `` 39928 2 2 O o UH 39928 2 3 , , , 39928 2 4 glittering glitter VBG 39928 2 5 host host NN 39928 2 6 ! ! . 39928 3 1 O o UH 39928 3 2 , , , 39928 3 3 golden golden JJ 39928 3 4 line line NN 39928 3 5 ! ! . 39928 4 1 I -PRON- PRP 39928 4 2 would would MD 39928 4 3 I -PRON- PRP 39928 4 4 had have VBD 39928 4 5 an an DT 39928 4 6 angel angel NN 39928 4 7 's 's POS 39928 4 8 ken ken NN 39928 4 9 , , , 39928 4 10 Your -PRON- PRP$ 39928 4 11 deepest deep JJS 39928 4 12 secrets secret NNS 39928 4 13 to to TO 39928 4 14 divine divine VB 39928 4 15 , , , 39928 4 16 And and CC 39928 4 17 read read VB 39928 4 18 your -PRON- PRP$ 39928 4 19 mysteries mystery NNS 39928 4 20 to to IN 39928 4 21 men man NNS 39928 4 22 . . . 39928 4 23 ' ' '' 39928 5 1 _ _ NNP 39928 5 2 THIRD THIRD NNP 39928 5 3 EDITION EDITION NNP 39928 5 4 _ _ NNP 39928 5 5 LONDON LONDON NNP 39928 5 6 CHAPMAN CHAPMAN NNP 39928 5 7 AND and CC 39928 5 8 HALL HALL NNP 39928 5 9 LIMITED LIMITED NNP 39928 5 10 1904 1904 CD 39928 5 11 ' ' '' 39928 5 12 I -PRON- PRP 39928 5 13 said say VBD 39928 5 14 unto unto IN 39928 5 15 my -PRON- PRP$ 39928 5 16 inmost inmost JJ 39928 5 17 heart heart NN 39928 5 18 , , , 39928 5 19 Shall Shall MD 39928 5 20 I -PRON- PRP 39928 5 21 don don VB 39928 5 22 corslet corslet NN 39928 5 23 , , , 39928 5 24 helm helm NN 39928 5 25 , , , 39928 5 26 and and CC 39928 5 27 shield shield NN 39928 5 28 , , , 39928 5 29 And and CC 39928 5 30 shall shall MD 39928 5 31 I -PRON- PRP 39928 5 32 with with IN 39928 5 33 a a DT 39928 5 34 Giant Giant NNP 39928 5 35 strive strive NN 39928 5 36 , , , 39928 5 37 And and CC 39928 5 38 charge charge VB 39928 5 39 a a DT 39928 5 40 Dragon Dragon NNP 39928 5 41 on on IN 39928 5 42 the the DT 39928 5 43 field field NN 39928 5 44 ? ? . 39928 5 45 ' ' '' 39928 6 1 J.H. J.H. NNP 39928 7 1 DELL DELL NNP 39928 7 2 . . . 39928 8 1 PREFACE preface VB 39928 8 2 This this DT 39928 8 3 work work NN 39928 8 4 has have VBZ 39928 8 5 been be VBN 39928 8 6 written write VBN 39928 8 7 in in IN 39928 8 8 consequence consequence NN 39928 8 9 of of IN 39928 8 10 the the DT 39928 8 11 great great JJ 39928 8 12 interest interest NN 39928 8 13 excited excite VBN 39928 8 14 by by IN 39928 8 15 my -PRON- PRP$ 39928 8 16 article article NN 39928 8 17 , , , 39928 8 18 under under IN 39928 8 19 the the DT 39928 8 20 same same JJ 39928 8 21 title title NN 39928 8 22 , , , 39928 8 23 which which WDT 39928 8 24 appeared appear VBD 39928 8 25 simultaneously simultaneously RB 39928 8 26 in in IN 39928 8 27 _ _ NNP 39928 8 28 The the DT 39928 8 29 Fortnightly Fortnightly NNP 39928 8 30 Review Review NNP 39928 8 31 _ _ NNP 39928 8 32 and and CC 39928 8 33 the the DT 39928 8 34 _ _ NNP 39928 8 35 New New NNP 39928 8 36 York York NNP 39928 8 37 Independent Independent NNP 39928 8 38 _ _ NNP 39928 8 39 . . . 39928 9 1 Two two CD 39928 9 2 friends friend NNS 39928 9 3 who who WP 39928 9 4 read read VBD 39928 9 5 the the DT 39928 9 6 manuscript manuscript NN 39928 9 7 were be VBD 39928 9 8 of of IN 39928 9 9 opinion opinion NN 39928 9 10 that that IN 39928 9 11 a a DT 39928 9 12 volume volume NN 39928 9 13 , , , 39928 9 14 in in IN 39928 9 15 which which WDT 39928 9 16 the the DT 39928 9 17 evidence evidence NN 39928 9 18 could could MD 39928 9 19 be be VB 39928 9 20 given give VBN 39928 9 21 much much RB 39928 9 22 more more RBR 39928 9 23 fully fully RB 39928 9 24 , , , 39928 9 25 would would MD 39928 9 26 be be VB 39928 9 27 desirable desirable JJ 39928 9 28 , , , 39928 9 29 and and CC 39928 9 30 the the DT 39928 9 31 result result NN 39928 9 32 of of IN 39928 9 33 the the DT 39928 9 34 publication publication NN 39928 9 35 of of IN 39928 9 36 the the DT 39928 9 37 article article NN 39928 9 38 confirmed confirm VBD 39928 9 39 their -PRON- PRP$ 39928 9 40 view view NN 39928 9 41 . . . 39928 10 1 I -PRON- PRP 39928 10 2 was be VBD 39928 10 3 led lead VBN 39928 10 4 to to IN 39928 10 5 a a DT 39928 10 6 study study NN 39928 10 7 of of IN 39928 10 8 the the DT 39928 10 9 subject subject NN 39928 10 10 when when WRB 39928 10 11 writing write VBG 39928 10 12 four four CD 39928 10 13 new new JJ 39928 10 14 chapters chapter NNS 39928 10 15 on on IN 39928 10 16 Astronomy Astronomy NNP 39928 10 17 for for IN 39928 10 18 a a DT 39928 10 19 new new JJ 39928 10 20 edition edition NN 39928 10 21 of of IN 39928 10 22 _ _ NNP 39928 10 23 The the DT 39928 10 24 Wonderful Wonderful NNP 39928 10 25 Century Century NNP 39928 10 26 _ _ NNP 39928 10 27 . . . 39928 11 1 I -PRON- PRP 39928 11 2 then then RB 39928 11 3 found find VBD 39928 11 4 that that IN 39928 11 5 almost almost RB 39928 11 6 all all DT 39928 11 7 writers writer NNS 39928 11 8 on on IN 39928 11 9 general general JJ 39928 11 10 astronomy astronomy NN 39928 11 11 , , , 39928 11 12 from from IN 39928 11 13 Sir Sir NNP 39928 11 14 John John NNP 39928 11 15 Herschel Herschel NNP 39928 11 16 to to IN 39928 11 17 Professor Professor NNP 39928 11 18 Simon Simon NNP 39928 11 19 Newcomb Newcomb NNP 39928 11 20 and and CC 39928 11 21 Sir Sir NNP 39928 11 22 Norman Norman NNP 39928 11 23 Lockyer Lockyer NNP 39928 11 24 , , , 39928 11 25 stated state VBD 39928 11 26 , , , 39928 11 27 as as IN 39928 11 28 an an DT 39928 11 29 indisputable indisputable JJ 39928 11 30 fact fact NN 39928 11 31 , , , 39928 11 32 that that IN 39928 11 33 our -PRON- PRP$ 39928 11 34 sun sun NN 39928 11 35 is be VBZ 39928 11 36 situated situate VBN 39928 11 37 _ _ NNP 39928 11 38 in in IN 39928 11 39 _ _ NNP 39928 11 40 the the DT 39928 11 41 plane plane NN 39928 11 42 of of IN 39928 11 43 the the DT 39928 11 44 great great JJ 39928 11 45 ring ring NN 39928 11 46 of of IN 39928 11 47 the the DT 39928 11 48 Milky Milky NNP 39928 11 49 Way Way NNP 39928 11 50 , , , 39928 11 51 and and CC 39928 11 52 also also RB 39928 11 53 very very RB 39928 11 54 nearly nearly RB 39928 11 55 in in IN 39928 11 56 the the DT 39928 11 57 centre centre NN 39928 11 58 of of IN 39928 11 59 that that DT 39928 11 60 ring ring NN 39928 11 61 . . . 39928 12 1 The the DT 39928 12 2 most most RBS 39928 12 3 recent recent JJ 39928 12 4 researches research NNS 39928 12 5 also also RB 39928 12 6 showed show VBD 39928 12 7 that that IN 39928 12 8 there there EX 39928 12 9 was be VBD 39928 12 10 little little JJ 39928 12 11 or or CC 39928 12 12 no no DT 39928 12 13 proof proof NN 39928 12 14 of of IN 39928 12 15 there there EX 39928 12 16 being be VBG 39928 12 17 any any DT 39928 12 18 stars star NNS 39928 12 19 or or CC 39928 12 20 nebulæ nebulæ NN 39928 12 21 very very RB 39928 12 22 far far RB 39928 12 23 beyond beyond IN 39928 12 24 the the DT 39928 12 25 Milky Milky NNP 39928 12 26 Way Way NNP 39928 12 27 , , , 39928 12 28 which which WDT 39928 12 29 thus thus RB 39928 12 30 seemed seem VBD 39928 12 31 to to TO 39928 12 32 be be VB 39928 12 33 the the DT 39928 12 34 limit limit NN 39928 12 35 , , , 39928 12 36 in in IN 39928 12 37 that that DT 39928 12 38 direction direction NN 39928 12 39 , , , 39928 12 40 of of IN 39928 12 41 the the DT 39928 12 42 stellar stellar JJ 39928 12 43 universe universe NN 39928 12 44 . . . 39928 13 1 Turning turn VBG 39928 13 2 to to IN 39928 13 3 the the DT 39928 13 4 earth earth NN 39928 13 5 and and CC 39928 13 6 the the DT 39928 13 7 other other JJ 39928 13 8 planets planet NNS 39928 13 9 of of IN 39928 13 10 the the DT 39928 13 11 Solar Solar NNP 39928 13 12 System System NNP 39928 13 13 , , , 39928 13 14 I -PRON- PRP 39928 13 15 found find VBD 39928 13 16 that that IN 39928 13 17 the the DT 39928 13 18 most most RBS 39928 13 19 recent recent JJ 39928 13 20 researches research NNS 39928 13 21 led lead VBD 39928 13 22 to to IN 39928 13 23 the the DT 39928 13 24 conclusion conclusion NN 39928 13 25 that that IN 39928 13 26 no no DT 39928 13 27 other other JJ 39928 13 28 planet planet NN 39928 13 29 was be VBD 39928 13 30 likely likely JJ 39928 13 31 to to TO 39928 13 32 be be VB 39928 13 33 the the DT 39928 13 34 seat seat NN 39928 13 35 of of IN 39928 13 36 organic organic JJ 39928 13 37 life life NN 39928 13 38 , , , 39928 13 39 unless unless IN 39928 13 40 perhaps perhaps RB 39928 13 41 of of IN 39928 13 42 a a DT 39928 13 43 very very RB 39928 13 44 low low JJ 39928 13 45 type type NN 39928 13 46 . . . 39928 14 1 For for IN 39928 14 2 many many JJ 39928 14 3 years year NNS 39928 14 4 I -PRON- PRP 39928 14 5 had have VBD 39928 14 6 paid pay VBN 39928 14 7 special special JJ 39928 14 8 attention attention NN 39928 14 9 to to IN 39928 14 10 the the DT 39928 14 11 problem problem NN 39928 14 12 of of IN 39928 14 13 the the DT 39928 14 14 measurement measurement NN 39928 14 15 of of IN 39928 14 16 geological geological JJ 39928 14 17 time time NN 39928 14 18 , , , 39928 14 19 and and CC 39928 14 20 also also RB 39928 14 21 that that DT 39928 14 22 of of IN 39928 14 23 the the DT 39928 14 24 mild mild JJ 39928 14 25 climates climate NNS 39928 14 26 and and CC 39928 14 27 generally generally RB 39928 14 28 uniform uniform JJ 39928 14 29 conditions condition NNS 39928 14 30 that that WDT 39928 14 31 had have VBD 39928 14 32 prevailed prevail VBN 39928 14 33 throughout throughout IN 39928 14 34 all all DT 39928 14 35 geological geological JJ 39928 14 36 epochs epoch NNS 39928 14 37 ; ; : 39928 14 38 and and CC 39928 14 39 on on IN 39928 14 40 considering consider VBG 39928 14 41 the the DT 39928 14 42 number number NN 39928 14 43 of of IN 39928 14 44 concurrent concurrent JJ 39928 14 45 causes cause NNS 39928 14 46 and and CC 39928 14 47 the the DT 39928 14 48 delicate delicate JJ 39928 14 49 balance balance NN 39928 14 50 of of IN 39928 14 51 conditions condition NNS 39928 14 52 required require VBN 39928 14 53 to to TO 39928 14 54 maintain maintain VB 39928 14 55 such such JJ 39928 14 56 uniformity uniformity NN 39928 14 57 , , , 39928 14 58 I -PRON- PRP 39928 14 59 became become VBD 39928 14 60 still still RB 39928 14 61 more more RBR 39928 14 62 convinced convinced JJ 39928 14 63 that that IN 39928 14 64 the the DT 39928 14 65 evidence evidence NN 39928 14 66 was be VBD 39928 14 67 exceedingly exceedingly RB 39928 14 68 strong strong JJ 39928 14 69 against against IN 39928 14 70 the the DT 39928 14 71 probability probability NN 39928 14 72 or or CC 39928 14 73 possibility possibility NN 39928 14 74 of of IN 39928 14 75 any any DT 39928 14 76 other other JJ 39928 14 77 planet planet NN 39928 14 78 being be VBG 39928 14 79 inhabited inhabit VBN 39928 14 80 . . . 39928 15 1 Having have VBG 39928 15 2 long long RB 39928 15 3 been be VBN 39928 15 4 acquainted acquaint VBN 39928 15 5 with with IN 39928 15 6 most most JJS 39928 15 7 of of IN 39928 15 8 the the DT 39928 15 9 works work NNS 39928 15 10 dealing deal VBG 39928 15 11 with with IN 39928 15 12 the the DT 39928 15 13 question question NN 39928 15 14 of of IN 39928 15 15 the the DT 39928 15 16 supposed suppose VBN 39928 15 17 _ _ NNP 39928 15 18 Plurality Plurality NNP 39928 15 19 of of IN 39928 15 20 Worlds Worlds NNP 39928 15 21 _ _ NNP 39928 15 22 , , , 39928 15 23 I -PRON- PRP 39928 15 24 was be VBD 39928 15 25 quite quite RB 39928 15 26 aware aware JJ 39928 15 27 of of IN 39928 15 28 the the DT 39928 15 29 very very RB 39928 15 30 superficial superficial JJ 39928 15 31 treatment treatment NN 39928 15 32 the the DT 39928 15 33 subject subject NN 39928 15 34 had have VBD 39928 15 35 received receive VBN 39928 15 36 , , , 39928 15 37 even even RB 39928 15 38 in in IN 39928 15 39 the the DT 39928 15 40 hands hand NNS 39928 15 41 of of IN 39928 15 42 the the DT 39928 15 43 most most RBS 39928 15 44 able able JJ 39928 15 45 writers writer NNS 39928 15 46 , , , 39928 15 47 and and CC 39928 15 48 this this DT 39928 15 49 made make VBD 39928 15 50 me -PRON- PRP 39928 15 51 the the DT 39928 15 52 more more RBR 39928 15 53 willing willing JJ 39928 15 54 to to TO 39928 15 55 set set VB 39928 15 56 forth forth RP 39928 15 57 the the DT 39928 15 58 whole whole NN 39928 15 59 of of IN 39928 15 60 the the DT 39928 15 61 available available JJ 39928 15 62 evidence evidence NN 39928 15 63 -- -- : 39928 15 64 astronomical astronomical JJ 39928 15 65 , , , 39928 15 66 physical physical JJ 39928 15 67 , , , 39928 15 68 and and CC 39928 15 69 biological biological JJ 39928 15 70 -- -- : 39928 15 71 in in IN 39928 15 72 such such PDT 39928 15 73 a a DT 39928 15 74 way way NN 39928 15 75 as as IN 39928 15 76 to to TO 39928 15 77 show show VB 39928 15 78 both both DT 39928 15 79 what what WP 39928 15 80 was be VBD 39928 15 81 proved prove VBN 39928 15 82 and and CC 39928 15 83 what what WP 39928 15 84 suggested suggest VBD 39928 15 85 by by IN 39928 15 86 it -PRON- PRP 39928 15 87 . . . 39928 16 1 The the DT 39928 16 2 present present JJ 39928 16 3 work work NN 39928 16 4 is be VBZ 39928 16 5 the the DT 39928 16 6 result result NN 39928 16 7 , , , 39928 16 8 and and CC 39928 16 9 I -PRON- PRP 39928 16 10 venture venture VBP 39928 16 11 to to TO 39928 16 12 think think VB 39928 16 13 that that IN 39928 16 14 those those DT 39928 16 15 who who WP 39928 16 16 will will MD 39928 16 17 read read VB 39928 16 18 it -PRON- PRP 39928 16 19 carefully carefully RB 39928 16 20 will will MD 39928 16 21 admit admit VB 39928 16 22 that that IN 39928 16 23 it -PRON- PRP 39928 16 24 is be VBZ 39928 16 25 a a DT 39928 16 26 book book NN 39928 16 27 that that WDT 39928 16 28 was be VBD 39928 16 29 worth worth JJ 39928 16 30 writing write VBG 39928 16 31 . . . 39928 17 1 It -PRON- PRP 39928 17 2 is be VBZ 39928 17 3 founded found VBN 39928 17 4 almost almost RB 39928 17 5 entirely entirely RB 39928 17 6 on on IN 39928 17 7 the the DT 39928 17 8 marvellous marvellous JJ 39928 17 9 body body NN 39928 17 10 of of IN 39928 17 11 facts fact NNS 39928 17 12 and and CC 39928 17 13 conclusions conclusion NNS 39928 17 14 of of IN 39928 17 15 the the DT 39928 17 16 New New NNP 39928 17 17 Astronomy Astronomy NNP 39928 17 18 together together RB 39928 17 19 with with IN 39928 17 20 those those DT 39928 17 21 reached reach VBN 39928 17 22 by by IN 39928 17 23 modern modern JJ 39928 17 24 physicists physicist NNS 39928 17 25 , , , 39928 17 26 chemists chemist NNS 39928 17 27 , , , 39928 17 28 and and CC 39928 17 29 biologists biologist NNS 39928 17 30 . . . 39928 18 1 Its -PRON- PRP$ 39928 18 2 novelty novelty NN 39928 18 3 consists consist VBZ 39928 18 4 in in IN 39928 18 5 combining combine VBG 39928 18 6 the the DT 39928 18 7 various various JJ 39928 18 8 results result NNS 39928 18 9 of of IN 39928 18 10 these these DT 39928 18 11 different different JJ 39928 18 12 branches branch NNS 39928 18 13 of of IN 39928 18 14 science science NN 39928 18 15 into into IN 39928 18 16 a a DT 39928 18 17 connected connected JJ 39928 18 18 whole whole NN 39928 18 19 , , , 39928 18 20 so so IN 39928 18 21 as as IN 39928 18 22 to to TO 39928 18 23 show show VB 39928 18 24 their -PRON- PRP$ 39928 18 25 bearing bearing NN 39928 18 26 upon upon IN 39928 18 27 a a DT 39928 18 28 single single JJ 39928 18 29 problem problem NN 39928 18 30 -- -- : 39928 18 31 a a DT 39928 18 32 problem problem NN 39928 18 33 which which WDT 39928 18 34 is be VBZ 39928 18 35 of of IN 39928 18 36 very very RB 39928 18 37 great great JJ 39928 18 38 interest interest NN 39928 18 39 to to IN 39928 18 40 ourselves -PRON- PRP 39928 18 41 . . . 39928 19 1 This this DT 39928 19 2 problem problem NN 39928 19 3 is be VBZ 39928 19 4 , , , 39928 19 5 whether whether IN 39928 19 6 or or CC 39928 19 7 no no DT 39928 19 8 the the DT 39928 19 9 logical logical JJ 39928 19 10 inferences inference NNS 39928 19 11 to to TO 39928 19 12 be be VB 39928 19 13 drawn draw VBN 39928 19 14 from from IN 39928 19 15 the the DT 39928 19 16 various various JJ 39928 19 17 results result NNS 39928 19 18 of of IN 39928 19 19 modern modern JJ 39928 19 20 science science NN 39928 19 21 lend lend VBP 39928 19 22 support support NN 39928 19 23 to to IN 39928 19 24 the the DT 39928 19 25 view view NN 39928 19 26 that that IN 39928 19 27 our -PRON- PRP$ 39928 19 28 earth earth NN 39928 19 29 is be VBZ 39928 19 30 the the DT 39928 19 31 only only JJ 39928 19 32 inhabited inhabit VBN 39928 19 33 planet planet NN 39928 19 34 , , , 39928 19 35 not not RB 39928 19 36 only only RB 39928 19 37 in in IN 39928 19 38 the the DT 39928 19 39 Solar Solar NNP 39928 19 40 System System NNP 39928 19 41 but but CC 39928 19 42 in in IN 39928 19 43 the the DT 39928 19 44 whole whole JJ 39928 19 45 stellar stellar JJ 39928 19 46 universe universe NN 39928 19 47 . . . 39928 20 1 Of of RB 39928 20 2 course course RB 39928 20 3 it -PRON- PRP 39928 20 4 is be VBZ 39928 20 5 a a DT 39928 20 6 point point NN 39928 20 7 as as IN 39928 20 8 to to TO 39928 20 9 which which WDT 39928 20 10 absolute absolute JJ 39928 20 11 demonstration demonstration NN 39928 20 12 , , , 39928 20 13 one one CD 39928 20 14 way way NN 39928 20 15 or or CC 39928 20 16 the the DT 39928 20 17 other other JJ 39928 20 18 , , , 39928 20 19 is be VBZ 39928 20 20 impossible impossible JJ 39928 20 21 . . . 39928 21 1 But but CC 39928 21 2 in in IN 39928 21 3 the the DT 39928 21 4 absence absence NN 39928 21 5 of of IN 39928 21 6 any any DT 39928 21 7 direct direct JJ 39928 21 8 proofs proof NNS 39928 21 9 , , , 39928 21 10 it -PRON- PRP 39928 21 11 is be VBZ 39928 21 12 clearly clearly RB 39928 21 13 rational rational JJ 39928 21 14 to to TO 39928 21 15 inquire inquire VB 39928 21 16 into into IN 39928 21 17 probabilities probability NNS 39928 21 18 ; ; : 39928 21 19 and and CC 39928 21 20 these these DT 39928 21 21 probabilities probability NNS 39928 21 22 must must MD 39928 21 23 be be VB 39928 21 24 determined determine VBN 39928 21 25 not not RB 39928 21 26 by by IN 39928 21 27 our -PRON- PRP$ 39928 21 28 prepossessions prepossession NNS 39928 21 29 for for IN 39928 21 30 any any DT 39928 21 31 particular particular JJ 39928 21 32 view view NN 39928 21 33 , , , 39928 21 34 but but CC 39928 21 35 by by IN 39928 21 36 an an DT 39928 21 37 absolutely absolutely RB 39928 21 38 impartial impartial JJ 39928 21 39 and and CC 39928 21 40 unprejudiced unprejudiced JJ 39928 21 41 examination examination NN 39928 21 42 of of IN 39928 21 43 the the DT 39928 21 44 tendency tendency NN 39928 21 45 of of IN 39928 21 46 the the DT 39928 21 47 evidence evidence NN 39928 21 48 . . . 39928 22 1 As as IN 39928 22 2 the the DT 39928 22 3 book book NN 39928 22 4 is be VBZ 39928 22 5 written write VBN 39928 22 6 for for IN 39928 22 7 the the DT 39928 22 8 general general JJ 39928 22 9 , , , 39928 22 10 educated educate VBN 39928 22 11 body body NN 39928 22 12 of of IN 39928 22 13 readers reader NNS 39928 22 14 , , , 39928 22 15 many many DT 39928 22 16 of of IN 39928 22 17 whom whom WP 39928 22 18 may may MD 39928 22 19 not not RB 39928 22 20 be be VB 39928 22 21 acquainted acquaint VBN 39928 22 22 with with IN 39928 22 23 any any DT 39928 22 24 aspect aspect NN 39928 22 25 of of IN 39928 22 26 the the DT 39928 22 27 subject subject NN 39928 22 28 or or CC 39928 22 29 with with IN 39928 22 30 the the DT 39928 22 31 wonderful wonderful JJ 39928 22 32 advance advance NN 39928 22 33 of of IN 39928 22 34 recent recent JJ 39928 22 35 knowledge knowledge NN 39928 22 36 in in IN 39928 22 37 that that DT 39928 22 38 department department NN 39928 22 39 often often RB 39928 22 40 termed term VBD 39928 22 41 the the DT 39928 22 42 New New NNP 39928 22 43 Astronomy Astronomy NNP 39928 22 44 , , , 39928 22 45 a a DT 39928 22 46 popular popular JJ 39928 22 47 account account NN 39928 22 48 has have VBZ 39928 22 49 been be VBN 39928 22 50 given give VBN 39928 22 51 of of IN 39928 22 52 all all PDT 39928 22 53 those those DT 39928 22 54 branches branch NNS 39928 22 55 of of IN 39928 22 56 it -PRON- PRP 39928 22 57 which which WDT 39928 22 58 bear bear VBP 39928 22 59 upon upon IN 39928 22 60 the the DT 39928 22 61 special special JJ 39928 22 62 subject subject NN 39928 22 63 here here RB 39928 22 64 discussed discuss VBN 39928 22 65 . . . 39928 23 1 This this DT 39928 23 2 part part NN 39928 23 3 of of IN 39928 23 4 the the DT 39928 23 5 work work NN 39928 23 6 occupies occupy VBZ 39928 23 7 the the DT 39928 23 8 first first JJ 39928 23 9 six six CD 39928 23 10 chapters chapter NNS 39928 23 11 . . . 39928 24 1 Those those DT 39928 24 2 who who WP 39928 24 3 are be VBP 39928 24 4 fairly fairly RB 39928 24 5 acquainted acquaint VBN 39928 24 6 with with IN 39928 24 7 modern modern JJ 39928 24 8 astronomical astronomical JJ 39928 24 9 literature literature NN 39928 24 10 , , , 39928 24 11 as as IN 39928 24 12 given give VBN 39928 24 13 in in IN 39928 24 14 popular popular JJ 39928 24 15 works work NNS 39928 24 16 , , , 39928 24 17 may may MD 39928 24 18 begin begin VB 39928 24 19 at at IN 39928 24 20 my -PRON- PRP$ 39928 24 21 seventh seventh JJ 39928 24 22 chapter chapter NN 39928 24 23 , , , 39928 24 24 which which WDT 39928 24 25 marks mark VBZ 39928 24 26 the the DT 39928 24 27 commencement commencement NN 39928 24 28 of of IN 39928 24 29 the the DT 39928 24 30 considerable considerable JJ 39928 24 31 body body NN 39928 24 32 of of IN 39928 24 33 evidence evidence NN 39928 24 34 and and CC 39928 24 35 of of IN 39928 24 36 argument argument NN 39928 24 37 I -PRON- PRP 39928 24 38 have have VBP 39928 24 39 been be VBN 39928 24 40 able able JJ 39928 24 41 to to TO 39928 24 42 adduce adduce VB 39928 24 43 . . . 39928 25 1 To to IN 39928 25 2 those those DT 39928 25 3 of of IN 39928 25 4 my -PRON- PRP$ 39928 25 5 readers reader NNS 39928 25 6 who who WP 39928 25 7 may may MD 39928 25 8 have have VB 39928 25 9 been be VBN 39928 25 10 influenced influence VBN 39928 25 11 by by IN 39928 25 12 any any DT 39928 25 13 of of IN 39928 25 14 the the DT 39928 25 15 adverse adverse JJ 39928 25 16 criticisms criticism NNS 39928 25 17 on on IN 39928 25 18 my -PRON- PRP$ 39928 25 19 views view NNS 39928 25 20 as as IN 39928 25 21 set set VBN 39928 25 22 forth forth RP 39928 25 23 in in IN 39928 25 24 the the DT 39928 25 25 article article NN 39928 25 26 already already RB 39928 25 27 referred refer VBD 39928 25 28 to to IN 39928 25 29 , , , 39928 25 30 I -PRON- PRP 39928 25 31 must must MD 39928 25 32 again again RB 39928 25 33 urge urge VB 39928 25 34 , , , 39928 25 35 that that IN 39928 25 36 throughout throughout IN 39928 25 37 the the DT 39928 25 38 whole whole NN 39928 25 39 of of IN 39928 25 40 this this DT 39928 25 41 work work NN 39928 25 42 , , , 39928 25 43 neither neither CC 39928 25 44 the the DT 39928 25 45 facts fact NNS 39928 25 46 nor nor CC 39928 25 47 the the DT 39928 25 48 more more RBR 39928 25 49 obvious obvious JJ 39928 25 50 conclusions conclusion NNS 39928 25 51 from from IN 39928 25 52 the the DT 39928 25 53 facts fact NNS 39928 25 54 are be VBP 39928 25 55 given give VBN 39928 25 56 on on IN 39928 25 57 my -PRON- PRP$ 39928 25 58 own own JJ 39928 25 59 authority authority NN 39928 25 60 , , , 39928 25 61 but but CC 39928 25 62 always always RB 39928 25 63 on on IN 39928 25 64 that that DT 39928 25 65 of of IN 39928 25 66 the the DT 39928 25 67 best good JJS 39928 25 68 astronomers astronomer NNS 39928 25 69 , , , 39928 25 70 mathematicians mathematician NNS 39928 25 71 , , , 39928 25 72 and and CC 39928 25 73 other other JJ 39928 25 74 men man NNS 39928 25 75 of of IN 39928 25 76 science science NN 39928 25 77 to to IN 39928 25 78 whose whose WP$ 39928 25 79 works work NNS 39928 25 80 I -PRON- PRP 39928 25 81 have have VBP 39928 25 82 had have VBN 39928 25 83 access access NN 39928 25 84 , , , 39928 25 85 and and CC 39928 25 86 whose whose WP$ 39928 25 87 names name NNS 39928 25 88 , , , 39928 25 89 with with IN 39928 25 90 exact exact JJ 39928 25 91 references reference NNS 39928 25 92 , , , 39928 25 93 I -PRON- PRP 39928 25 94 generally generally RB 39928 25 95 give give VBP 39928 25 96 . . . 39928 26 1 What what WP 39928 26 2 I -PRON- PRP 39928 26 3 claim claim VBP 39928 26 4 to to TO 39928 26 5 have have VB 39928 26 6 done do VBN 39928 26 7 is be VBZ 39928 26 8 , , , 39928 26 9 to to TO 39928 26 10 have have VB 39928 26 11 brought bring VBN 39928 26 12 together together RB 39928 26 13 the the DT 39928 26 14 various various JJ 39928 26 15 facts fact NNS 39928 26 16 and and CC 39928 26 17 phenomena phenomenon NNS 39928 26 18 _ _ NNP 39928 26 19 they -PRON- PRP 39928 26 20 _ _ NNP 39928 26 21 have have VBP 39928 26 22 accumulated accumulate VBN 39928 26 23 ; ; : 39928 26 24 to to TO 39928 26 25 have have VB 39928 26 26 set set VBN 39928 26 27 forth forth RP 39928 26 28 the the DT 39928 26 29 hypotheses hypothesis NNS 39928 26 30 by by IN 39928 26 31 which which WDT 39928 26 32 _ _ NNP 39928 26 33 they -PRON- PRP 39928 26 34 _ _ NNP 39928 26 35 account account VBP 39928 26 36 for for IN 39928 26 37 them -PRON- PRP 39928 26 38 , , , 39928 26 39 or or CC 39928 26 40 the the DT 39928 26 41 results result NNS 39928 26 42 to to TO 39928 26 43 which which WDT 39928 26 44 the the DT 39928 26 45 evidence evidence NN 39928 26 46 clearly clearly RB 39928 26 47 points point VBZ 39928 26 48 ; ; : 39928 26 49 to to TO 39928 26 50 have have VB 39928 26 51 judged judge VBN 39928 26 52 between between IN 39928 26 53 conflicting conflicting JJ 39928 26 54 opinions opinion NNS 39928 26 55 and and CC 39928 26 56 theories theory NNS 39928 26 57 ; ; : 39928 26 58 and and CC 39928 26 59 lastly lastly RB 39928 26 60 , , , 39928 26 61 to to TO 39928 26 62 have have VB 39928 26 63 combined combine VBN 39928 26 64 the the DT 39928 26 65 results result NNS 39928 26 66 of of IN 39928 26 67 the the DT 39928 26 68 various various JJ 39928 26 69 widely widely RB 39928 26 70 - - HYPH 39928 26 71 separated separate VBN 39928 26 72 departments department NNS 39928 26 73 of of IN 39928 26 74 science science NN 39928 26 75 , , , 39928 26 76 and and CC 39928 26 77 to to TO 39928 26 78 have have VB 39928 26 79 shown show VBN 39928 26 80 how how WRB 39928 26 81 they -PRON- PRP 39928 26 82 bear bear VBP 39928 26 83 upon upon IN 39928 26 84 the the DT 39928 26 85 great great JJ 39928 26 86 problem problem NN 39928 26 87 which which WDT 39928 26 88 I -PRON- PRP 39928 26 89 have have VBP 39928 26 90 here here RB 39928 26 91 endeavoured endeavour VBN 39928 26 92 , , , 39928 26 93 in in IN 39928 26 94 some some DT 39928 26 95 slight slight JJ 39928 26 96 degree degree NN 39928 26 97 , , , 39928 26 98 to to TO 39928 26 99 elucidate elucidate VB 39928 26 100 . . . 39928 27 1 As as IN 39928 27 2 such such PDT 39928 27 3 a a DT 39928 27 4 large large JJ 39928 27 5 body body NN 39928 27 6 of of IN 39928 27 7 facts fact NNS 39928 27 8 and and CC 39928 27 9 arguments argument NNS 39928 27 10 from from IN 39928 27 11 distinct distinct JJ 39928 27 12 sciences science NNS 39928 27 13 have have VBP 39928 27 14 been be VBN 39928 27 15 here here RB 39928 27 16 brought bring VBN 39928 27 17 together together RB 39928 27 18 , , , 39928 27 19 I -PRON- PRP 39928 27 20 have have VBP 39928 27 21 given give VBN 39928 27 22 a a DT 39928 27 23 rather rather RB 39928 27 24 full full JJ 39928 27 25 summary summary NN 39928 27 26 of of IN 39928 27 27 the the DT 39928 27 28 whole whole JJ 39928 27 29 argument argument NN 39928 27 30 , , , 39928 27 31 and and CC 39928 27 32 have have VBP 39928 27 33 stated state VBN 39928 27 34 my -PRON- PRP$ 39928 27 35 final final JJ 39928 27 36 conclusions conclusion NNS 39928 27 37 in in IN 39928 27 38 six six CD 39928 27 39 short short JJ 39928 27 40 sentences sentence NNS 39928 27 41 . . . 39928 28 1 I -PRON- PRP 39928 28 2 then then RB 39928 28 3 briefly briefly RB 39928 28 4 discuss discuss VBP 39928 28 5 the the DT 39928 28 6 two two CD 39928 28 7 aspects aspect NNS 39928 28 8 of of IN 39928 28 9 the the DT 39928 28 10 whole whole JJ 39928 28 11 problem problem NN 39928 28 12 -- -- : 39928 28 13 those those DT 39928 28 14 from from IN 39928 28 15 the the DT 39928 28 16 materialistic materialistic NN 39928 28 17 and and CC 39928 28 18 from from IN 39928 28 19 the the DT 39928 28 20 spiritualistic spiritualistic JJ 39928 28 21 points point NNS 39928 28 22 of of IN 39928 28 23 view view NN 39928 28 24 ; ; : 39928 28 25 and and CC 39928 28 26 I -PRON- PRP 39928 28 27 conclude conclude VBP 39928 28 28 with with IN 39928 28 29 a a DT 39928 28 30 few few JJ 39928 28 31 general general JJ 39928 28 32 observations observation NNS 39928 28 33 on on IN 39928 28 34 the the DT 39928 28 35 almost almost RB 39928 28 36 unthinkable unthinkable JJ 39928 28 37 problems problem NNS 39928 28 38 raised raise VBN 39928 28 39 by by IN 39928 28 40 ideas idea NNS 39928 28 41 of of IN 39928 28 42 Infinity Infinity NNP 39928 28 43 -- -- : 39928 28 44 problems problem NNS 39928 28 45 which which WDT 39928 28 46 some some DT 39928 28 47 of of IN 39928 28 48 my -PRON- PRP$ 39928 28 49 critics critic NNS 39928 28 50 thought think VBD 39928 28 51 I -PRON- PRP 39928 28 52 had have VBD 39928 28 53 attempted attempt VBN 39928 28 54 in in IN 39928 28 55 some some DT 39928 28 56 degree degree NN 39928 28 57 to to TO 39928 28 58 deal deal VB 39928 28 59 with with IN 39928 28 60 , , , 39928 28 61 but but CC 39928 28 62 which which WDT 39928 28 63 , , , 39928 28 64 I -PRON- PRP 39928 28 65 here here RB 39928 28 66 point point VBP 39928 28 67 out out RP 39928 28 68 , , , 39928 28 69 are be VBP 39928 28 70 altogether altogether RB 39928 28 71 above above RB 39928 28 72 and and CC 39928 28 73 beyond beyond IN 39928 28 74 the the DT 39928 28 75 questions question NNS 39928 28 76 I -PRON- PRP 39928 28 77 have have VBP 39928 28 78 discussed discuss VBN 39928 28 79 , , , 39928 28 80 and and CC 39928 28 81 equally equally RB 39928 28 82 above above IN 39928 28 83 and and CC 39928 28 84 beyond beyond IN 39928 28 85 the the DT 39928 28 86 highest high JJS 39928 28 87 powers power NNS 39928 28 88 of of IN 39928 28 89 the the DT 39928 28 90 human human JJ 39928 28 91 intellect intellect NN 39928 28 92 . . . 39928 29 1 BROADSTONE BROADSTONE NNP 39928 29 2 , , , 39928 29 3 DORSET DORSET NNP 39928 29 4 , , , 39928 29 5 _ _ NNP 39928 29 6 September September NNP 39928 29 7 _ _ NNP 39928 29 8 1903 1903 CD 39928 29 9 . . . 39928 30 1 ' ' `` 39928 30 2 The the DT 39928 30 3 wilder'd wilder'd JJ 39928 30 4 mind mind NN 39928 30 5 is be VBZ 39928 30 6 tost tost RBS 39928 30 7 and and CC 39928 30 8 lost lose VBN 39928 30 9 , , , 39928 30 10 O o NN 39928 30 11 sea sea NN 39928 30 12 , , , 39928 30 13 in in IN 39928 30 14 thy thy PRP$ 39928 30 15 eternal eternal JJ 39928 30 16 tide tide NN 39928 30 17 ; ; : 39928 30 18 The the DT 39928 30 19 reeling reel VBG 39928 30 20 brain brain NN 39928 30 21 essays essay NNS 39928 30 22 in in IN 39928 30 23 vain vain JJ 39928 30 24 , , , 39928 30 25 O o UH 39928 30 26 stars star NNS 39928 30 27 , , , 39928 30 28 to to TO 39928 30 29 grasp grasp VB 39928 30 30 the the DT 39928 30 31 vastness vastness NN 39928 30 32 wide wide JJ 39928 30 33 ! ! . 39928 31 1 The the DT 39928 31 2 terrible terrible JJ 39928 31 3 tremendous tremendous JJ 39928 31 4 scheme scheme NN 39928 31 5 That that WDT 39928 31 6 glimmers glimmer VBZ 39928 31 7 in in IN 39928 31 8 each each DT 39928 31 9 glancing glance VBG 39928 31 10 light light NN 39928 31 11 , , , 39928 31 12 O o UH 39928 31 13 night night NN 39928 31 14 , , , 39928 31 15 O o UH 39928 31 16 stars star NNS 39928 31 17 , , , 39928 31 18 too too RB 39928 31 19 rudely rudely RB 39928 31 20 jars jar VBZ 39928 31 21 The the DT 39928 31 22 finite finite NN 39928 31 23 with with IN 39928 31 24 the the DT 39928 31 25 infinite infinite NN 39928 31 26 ! ! . 39928 31 27 ' ' '' 39928 32 1 J.H. J.H. NNP 39928 33 1 DELL DELL NNP 39928 33 2 . . . 39928 34 1 CONTENTS content NNS 39928 34 2 CHAP chap VBP 39928 34 3 . . . 39928 35 1 PAGE PAGE NNP 39928 35 2 I. i. NN 39928 36 1 EARLY EARLY NNP 39928 36 2 IDEAS IDEAS NNP 39928 36 3 , , , 39928 36 4 1 1 CD 39928 36 5 II ii CD 39928 36 6 . . . 39928 37 1 MODERN MODERN NNP 39928 37 2 IDEAS IDEAS NNP 39928 37 3 , , , 39928 37 4 7 7 CD 39928 37 5 III iii CD 39928 37 6 . . . 39928 38 1 THE the DT 39928 38 2 NEW NEW NNP 39928 38 3 ASTRONOMY ASTRONOMY NNP 39928 38 4 , , , 39928 38 5 24 24 CD 39928 38 6 IV iv NN 39928 38 7 . . . 39928 39 1 THE the DT 39928 39 2 DISTRIBUTION distribution NN 39928 39 3 OF of IN 39928 39 4 THE the DT 39928 39 5 STARS star NNS 39928 39 6 , , , 39928 39 7 47 47 CD 39928 39 8 V. v. NN 39928 39 9 DISTANCES distance NNS 39928 39 10 OF of IN 39928 39 11 STARS star NNS 39928 39 12 : : : 39928 39 13 THE the DT 39928 39 14 SUN SUN NNP 39928 39 15 'S 'S NNP 39928 39 16 MOTION MOTION NNP 39928 39 17 , , , 39928 39 18 73 73 CD 39928 39 19 VI VI NNP 39928 39 20 . . . 39928 40 1 UNITY UNITY NNP 39928 40 2 AND and CC 39928 40 3 EVOLUTION evolution NN 39928 40 4 OF of IN 39928 40 5 THE the DT 39928 40 6 STAR STAR NNP 39928 40 7 - - HYPH 39928 40 8 SYSTEM SYSTEM NNP 39928 40 9 , , , 39928 40 10 99 99 CD 39928 40 11 VII vii NN 39928 40 12 . . . 39928 41 1 ARE are VBP 39928 41 2 THE the DT 39928 41 3 STARS star NNS 39928 41 4 INFINITE INFINITE NNS 39928 41 5 ? ? . 39928 42 1 135 135 CD 39928 42 2 VIII VIII NNS 39928 42 3 . . . 39928 43 1 OUR our PRP$ 39928 43 2 RELATION relation NN 39928 43 3 TO to IN 39928 43 4 THE the DT 39928 43 5 MILKY MILKY NNP 39928 43 6 WAY WAY NNP 39928 43 7 , , , 39928 43 8 156 156 CD 39928 43 9 IX ix NN 39928 43 10 . . . 39928 44 1 THE the DT 39928 44 2 UNIFORMITY UNIFORMITY NNP 39928 44 3 OF of IN 39928 44 4 MATTER MATTER NNP 39928 44 5 AND and CC 39928 44 6 ITS its PRP$ 39928 44 7 LAWS LAWS NNP 39928 44 8 , , , 39928 44 9 183 183 CD 39928 44 10 X. x. NN 39928 45 1 THE the DT 39928 45 2 ESSENTIAL ESSENTIAL NNP 39928 45 3 CHARACTERS character NNS 39928 45 4 OF of IN 39928 45 5 ORGANISMS ORGANISMS NNP 39928 45 6 , , , 39928 45 7 191 191 CD 39928 45 8 XI XI NNP 39928 45 9 . . . 39928 46 1 PHYSICAL PHYSICAL NNP 39928 46 2 CONDITIONS conditions NN 39928 46 3 ESSENTIAL essential NN 39928 46 4 FOR for IN 39928 46 5 LIFE LIFE NNP 39928 46 6 , , , 39928 46 7 206 206 CD 39928 46 8 XII xii NN 39928 46 9 . . . 39928 47 1 THE the DT 39928 47 2 EARTH earth NN 39928 47 3 IN in IN 39928 47 4 RELATION relation NN 39928 47 5 TO to IN 39928 47 6 LIFE LIFE NNP 39928 47 7 , , , 39928 47 8 218 218 CD 39928 47 9 XIII xiii NN 39928 47 10 . . . 39928 48 1 THE the DT 39928 48 2 ATMOSPHERE ATMOSPHERE NNP 39928 48 3 IN in IN 39928 48 4 RELATION relation NN 39928 48 5 TO to IN 39928 48 6 LIFE LIFE NNP 39928 48 7 , , , 39928 48 8 243 243 CD 39928 48 9 XIV xiv NN 39928 48 10 . . . 39928 49 1 THE the DT 39928 49 2 OTHER other JJ 39928 49 3 PLANETS planets NN 39928 49 4 ARE are VBP 39928 49 5 NOT not RB 39928 49 6 HABITABLE HABITABLE NNS 39928 49 7 , , , 39928 49 8 262 262 CD 39928 49 9 XV XV NNP 39928 49 10 . . . 39928 50 1 THE the DT 39928 50 2 STARS star NNS 39928 50 3 : : : 39928 50 4 HAVE have VBP 39928 50 5 THEY they FW 39928 50 6 PLANETS planets NN 39928 50 7 ? ? . 39928 51 1 ARE are VBP 39928 51 2 THEY THEY NNS 39928 51 3 USEFUL useful IN 39928 51 4 TO to IN 39928 51 5 US US NNP 39928 51 6 ? ? . 39928 52 1 282 282 CD 39928 52 2 XVI XVI NNP 39928 52 3 . . . 39928 53 1 STABILITY STABILITY NNS 39928 53 2 OF of IN 39928 53 3 THE the DT 39928 53 4 STAR STAR NNP 39928 53 5 - - HYPH 39928 53 6 SYSTEM system NN 39928 53 7 : : : 39928 53 8 IMPORTANCE importance NN 39928 53 9 OF of IN 39928 53 10 CENTRAL central JJ 39928 53 11 POSITION position NN 39928 53 12 : : : 39928 53 13 SUMMARY summary NN 39928 53 14 AND and CC 39928 53 15 CONCLUSION conclusion NN 39928 53 16 , , , 39928 53 17 295 295 CD 39928 53 18 INDEX INDEX NNS 39928 53 19 , , , 39928 53 20 326 326 CD 39928 53 21 _ _ NN 39928 53 22 EIGHT eight CD 39928 53 23 DIAGRAMS diagram NNS 39928 53 24 IN in IN 39928 53 25 THE the DT 39928 53 26 TEXT text NN 39928 53 27 AND and CC 39928 53 28 TWO two CD 39928 53 29 STAR STAR NNP 39928 53 30 CHARTS CHARTS NNP 39928 53 31 AT at IN 39928 53 32 END END NNP 39928 53 33 . . . 39928 53 34 _ _ NNP 39928 53 35 ' ' `` 39928 53 36 Who who WP 39928 53 37 is be VBZ 39928 53 38 man man NN 39928 53 39 , , , 39928 53 40 and and CC 39928 53 41 what what WP 39928 53 42 his -PRON- PRP$ 39928 53 43 place place NN 39928 53 44 ? ? . 39928 54 1 Anxious Anxious NNP 39928 54 2 asks ask VBZ 39928 54 3 the the DT 39928 54 4 heart heart NN 39928 54 5 , , , 39928 54 6 perplext perplext JJ 39928 54 7 In in IN 39928 54 8 this this DT 39928 54 9 recklessness recklessness NN 39928 54 10 of of IN 39928 54 11 space space NN 39928 54 12 , , , 39928 54 13 Worlds world NNS 39928 54 14 with with IN 39928 54 15 worlds world NNS 39928 54 16 thus thus RB 39928 54 17 intermixt intermixt VBP 39928 54 18 : : : 39928 54 19 What what WP 39928 54 20 has have VBZ 39928 54 21 he -PRON- PRP 39928 54 22 , , , 39928 54 23 this this DT 39928 54 24 atom atom NN 39928 54 25 creature creature NN 39928 54 26 , , , 39928 54 27 In in IN 39928 54 28 the the DT 39928 54 29 infinitude infinitude NN 39928 54 30 of of IN 39928 54 31 Nature nature NN 39928 54 32 ? ? . 39928 54 33 ' ' '' 39928 55 1 F.T. F.T. NNP 39928 56 1 PALGRAVE PALGRAVE NNP 39928 56 2 . . . 39928 57 1 MAN MAN NNP 39928 57 2 'S 's POS 39928 57 3 PLACE place NN 39928 57 4 IN in IN 39928 57 5 THE the DT 39928 57 6 UNIVERSE UNIVERSE NNP 39928 57 7 CHAPTER CHAPTER NNP 39928 57 8 I -PRON- PRP 39928 57 9 EARLY early VBP 39928 57 10 IDEAS IDEAS NNP 39928 57 11 AS as IN 39928 57 12 TO to IN 39928 57 13 THE the DT 39928 57 14 UNIVERSE UNIVERSE NNP 39928 57 15 AND and CC 39928 57 16 ITS its PRP$ 39928 57 17 RELATION relation NN 39928 57 18 TO to IN 39928 57 19 MAN MAN NNP 39928 57 20 When when WRB 39928 57 21 men man NNS 39928 57 22 attained attain VBD 39928 57 23 to to IN 39928 57 24 sufficient sufficient JJ 39928 57 25 intelligence intelligence NN 39928 57 26 for for IN 39928 57 27 speculations speculation NNS 39928 57 28 as as IN 39928 57 29 to to IN 39928 57 30 their -PRON- PRP$ 39928 57 31 own own JJ 39928 57 32 nature nature NN 39928 57 33 and and CC 39928 57 34 that that DT 39928 57 35 of of IN 39928 57 36 the the DT 39928 57 37 earth earth NN 39928 57 38 on on IN 39928 57 39 which which WDT 39928 57 40 they -PRON- PRP 39928 57 41 lived live VBD 39928 57 42 , , , 39928 57 43 they -PRON- PRP 39928 57 44 must must MD 39928 57 45 have have VB 39928 57 46 been be VBN 39928 57 47 profoundly profoundly RB 39928 57 48 impressed impress VBN 39928 57 49 by by IN 39928 57 50 the the DT 39928 57 51 nightly nightly JJ 39928 57 52 pageant pageant NN 39928 57 53 of of IN 39928 57 54 the the DT 39928 57 55 starry starry NN 39928 57 56 heavens heavens NNPS 39928 57 57 . . . 39928 58 1 The the DT 39928 58 2 intense intense JJ 39928 58 3 sparkling sparkling JJ 39928 58 4 brilliancy brilliancy NN 39928 58 5 of of IN 39928 58 6 Sirius Sirius NNP 39928 58 7 and and CC 39928 58 8 Vega Vega NNP 39928 58 9 , , , 39928 58 10 the the DT 39928 58 11 more more RBR 39928 58 12 massive massive JJ 39928 58 13 and and CC 39928 58 14 steady steady JJ 39928 58 15 luminosity luminosity NN 39928 58 16 of of IN 39928 58 17 Jupiter Jupiter NNP 39928 58 18 and and CC 39928 58 19 Venus Venus NNP 39928 58 20 , , , 39928 58 21 the the DT 39928 58 22 strange strange JJ 39928 58 23 grouping grouping NN 39928 58 24 of of IN 39928 58 25 the the DT 39928 58 26 brighter bright JJR 39928 58 27 stars star NNS 39928 58 28 into into IN 39928 58 29 constellations constellation NNS 39928 58 30 to to TO 39928 58 31 which which WDT 39928 58 32 fantastic fantastic JJ 39928 58 33 names name NNS 39928 58 34 indicating indicate VBG 39928 58 35 their -PRON- PRP$ 39928 58 36 resemblance resemblance NN 39928 58 37 to to IN 39928 58 38 various various JJ 39928 58 39 animals animal NNS 39928 58 40 or or CC 39928 58 41 terrestrial terrestrial JJ 39928 58 42 objects object NNS 39928 58 43 seemed seem VBD 39928 58 44 appropriate appropriate JJ 39928 58 45 and and CC 39928 58 46 were be VBD 39928 58 47 soon soon RB 39928 58 48 generally generally RB 39928 58 49 adopted adopt VBN 39928 58 50 , , , 39928 58 51 together together RB 39928 58 52 with with IN 39928 58 53 the the DT 39928 58 54 apparently apparently RB 39928 58 55 innumerable innumerable JJ 39928 58 56 stars star NNS 39928 58 57 of of IN 39928 58 58 less less JJR 39928 58 59 and and CC 39928 58 60 less less JJR 39928 58 61 brilliancy brilliancy NN 39928 58 62 scattered scatter VBN 39928 58 63 broadcast broadcast VBD 39928 58 64 over over IN 39928 58 65 the the DT 39928 58 66 sky sky NN 39928 58 67 , , , 39928 58 68 many many JJ 39928 58 69 only only RB 39928 58 70 being be VBG 39928 58 71 visible visible JJ 39928 58 72 on on IN 39928 58 73 the the DT 39928 58 74 clearest clear JJS 39928 58 75 nights night NNS 39928 58 76 and and CC 39928 58 77 to to IN 39928 58 78 the the DT 39928 58 79 acutest acute JJS 39928 58 80 vision vision NN 39928 58 81 , , , 39928 58 82 constituted constitute VBD 39928 58 83 altogether altogether RB 39928 58 84 a a DT 39928 58 85 scene scene NN 39928 58 86 of of IN 39928 58 87 marvellous marvellous JJ 39928 58 88 and and CC 39928 58 89 impressive impressive JJ 39928 58 90 splendour splendour NN 39928 58 91 of of IN 39928 58 92 which which WDT 39928 58 93 it -PRON- PRP 39928 58 94 must must MD 39928 58 95 have have VB 39928 58 96 seemed seem VBN 39928 58 97 almost almost RB 39928 58 98 impossible impossible JJ 39928 58 99 to to TO 39928 58 100 attain attain VB 39928 58 101 any any DT 39928 58 102 real real JJ 39928 58 103 knowledge knowledge NN 39928 58 104 , , , 39928 58 105 but but CC 39928 58 106 which which WDT 39928 58 107 afforded afford VBD 39928 58 108 an an DT 39928 58 109 endless endless JJ 39928 58 110 field field NN 39928 58 111 for for IN 39928 58 112 the the DT 39928 58 113 imagination imagination NN 39928 58 114 of of IN 39928 58 115 the the DT 39928 58 116 observer observer NN 39928 58 117 . . . 39928 59 1 The the DT 39928 59 2 relation relation NN 39928 59 3 of of IN 39928 59 4 the the DT 39928 59 5 stars star NNS 39928 59 6 to to IN 39928 59 7 the the DT 39928 59 8 sun sun NN 39928 59 9 and and CC 39928 59 10 moon moon NN 39928 59 11 in in IN 39928 59 12 their -PRON- PRP$ 39928 59 13 respective respective JJ 39928 59 14 motions motion NNS 39928 59 15 was be VBD 39928 59 16 one one CD 39928 59 17 of of IN 39928 59 18 the the DT 39928 59 19 earliest early JJS 39928 59 20 problems problem NNS 39928 59 21 for for IN 39928 59 22 the the DT 39928 59 23 astronomer astronomer NN 39928 59 24 , , , 39928 59 25 and and CC 39928 59 26 it -PRON- PRP 39928 59 27 was be VBD 39928 59 28 only only RB 39928 59 29 solved solve VBN 39928 59 30 by by IN 39928 59 31 careful careful JJ 39928 59 32 and and CC 39928 59 33 continuous continuous JJ 39928 59 34 observation observation NN 39928 59 35 , , , 39928 59 36 which which WDT 39928 59 37 showed show VBD 39928 59 38 that that IN 39928 59 39 the the DT 39928 59 40 invisibility invisibility NN 39928 59 41 of of IN 39928 59 42 the the DT 39928 59 43 former former JJ 39928 59 44 during during IN 39928 59 45 the the DT 39928 59 46 day day NN 39928 59 47 was be VBD 39928 59 48 wholly wholly RB 39928 59 49 due due JJ 39928 59 50 to to IN 39928 59 51 the the DT 39928 59 52 blaze blaze NN 39928 59 53 of of IN 39928 59 54 light light NN 39928 59 55 , , , 39928 59 56 and and CC 39928 59 57 this this DT 39928 59 58 is be VBZ 39928 59 59 said say VBN 39928 59 60 to to TO 39928 59 61 have have VB 39928 59 62 been be VBN 39928 59 63 proved prove VBN 39928 59 64 at at IN 39928 59 65 an an DT 39928 59 66 early early JJ 39928 59 67 period period NN 39928 59 68 by by IN 39928 59 69 the the DT 39928 59 70 observed observed JJ 39928 59 71 fact fact NN 39928 59 72 that that IN 39928 59 73 from from IN 39928 59 74 the the DT 39928 59 75 bottom bottom NN 39928 59 76 of of IN 39928 59 77 very very RB 39928 59 78 deep deep JJ 39928 59 79 wells well NNS 39928 59 80 stars star NNS 39928 59 81 can can MD 39928 59 82 be be VB 39928 59 83 seen see VBN 39928 59 84 while while IN 39928 59 85 the the DT 39928 59 86 sun sun NN 39928 59 87 is be VBZ 39928 59 88 shining shine VBG 39928 59 89 . . . 39928 60 1 During during IN 39928 60 2 total total JJ 39928 60 3 eclipses eclipse NNS 39928 60 4 of of IN 39928 60 5 the the DT 39928 60 6 sun sun NN 39928 60 7 also also RB 39928 60 8 the the DT 39928 60 9 brighter bright JJR 39928 60 10 stars star NNS 39928 60 11 become become VBP 39928 60 12 visible visible JJ 39928 60 13 , , , 39928 60 14 and and CC 39928 60 15 , , , 39928 60 16 taken take VBN 39928 60 17 in in IN 39928 60 18 connection connection NN 39928 60 19 with with IN 39928 60 20 the the DT 39928 60 21 fixity fixity NN 39928 60 22 of of IN 39928 60 23 position position NN 39928 60 24 of of IN 39928 60 25 the the DT 39928 60 26 pole pole NNP 39928 60 27 - - HYPH 39928 60 28 star star NNP 39928 60 29 , , , 39928 60 30 and and CC 39928 60 31 the the DT 39928 60 32 course course NN 39928 60 33 of of IN 39928 60 34 those those DT 39928 60 35 circumpolar circumpolar JJ 39928 60 36 stars star NNS 39928 60 37 which which WDT 39928 60 38 never never RB 39928 60 39 set set VBD 39928 60 40 in in IN 39928 60 41 the the DT 39928 60 42 latitudes latitude NNS 39928 60 43 of of IN 39928 60 44 Greece Greece NNP 39928 60 45 , , , 39928 60 46 Egypt Egypt NNP 39928 60 47 , , , 39928 60 48 and and CC 39928 60 49 Chaldea Chaldea NNP 39928 60 50 , , , 39928 60 51 it -PRON- PRP 39928 60 52 soon soon RB 39928 60 53 became become VBD 39928 60 54 possible possible JJ 39928 60 55 to to TO 39928 60 56 frame frame VB 39928 60 57 a a DT 39928 60 58 simple simple JJ 39928 60 59 hypothesis hypothesis NN 39928 60 60 which which WDT 39928 60 61 supposed suppose VBD 39928 60 62 the the DT 39928 60 63 earth earth NN 39928 60 64 to to TO 39928 60 65 be be VB 39928 60 66 suspended suspend VBN 39928 60 67 in in IN 39928 60 68 space space NN 39928 60 69 , , , 39928 60 70 while while IN 39928 60 71 at at IN 39928 60 72 an an DT 39928 60 73 unknown unknown JJ 39928 60 74 distance distance NN 39928 60 75 from from IN 39928 60 76 it -PRON- PRP 39928 60 77 a a DT 39928 60 78 crystal crystal NN 39928 60 79 sphere sphere NN 39928 60 80 revolved revolve VBD 39928 60 81 upon upon IN 39928 60 82 an an DT 39928 60 83 axis axis NN 39928 60 84 indicated indicate VBN 39928 60 85 by by IN 39928 60 86 the the DT 39928 60 87 pole pole NNP 39928 60 88 - - HYPH 39928 60 89 star star NNP 39928 60 90 , , , 39928 60 91 and and CC 39928 60 92 carried carry VBN 39928 60 93 with with IN 39928 60 94 it -PRON- PRP 39928 60 95 the the DT 39928 60 96 whole whole JJ 39928 60 97 host host NN 39928 60 98 of of IN 39928 60 99 heavenly heavenly JJ 39928 60 100 bodies body NNS 39928 60 101 . . . 39928 61 1 This this DT 39928 61 2 was be VBD 39928 61 3 the the DT 39928 61 4 theory theory NN 39928 61 5 of of IN 39928 61 6 Anaximander anaximander NN 39928 61 7 ( ( -LRB- 39928 61 8 540 540 CD 39928 61 9 B.C. B.C. NNP 39928 62 1 ) ) -RRB- 39928 62 2 , , , 39928 62 3 and and CC 39928 62 4 it -PRON- PRP 39928 62 5 served serve VBD 39928 62 6 as as IN 39928 62 7 the the DT 39928 62 8 starting starting NN 39928 62 9 - - HYPH 39928 62 10 point point NN 39928 62 11 for for IN 39928 62 12 the the DT 39928 62 13 more more RBR 39928 62 14 complex complex JJ 39928 62 15 theory theory NN 39928 62 16 which which WDT 39928 62 17 continued continue VBD 39928 62 18 to to TO 39928 62 19 be be VB 39928 62 20 held hold VBN 39928 62 21 in in IN 39928 62 22 various various JJ 39928 62 23 forms form NNS 39928 62 24 and and CC 39928 62 25 with with IN 39928 62 26 endless endless JJ 39928 62 27 modifications modification NNS 39928 62 28 down down IN 39928 62 29 to to IN 39928 62 30 the the DT 39928 62 31 end end NN 39928 62 32 of of IN 39928 62 33 the the DT 39928 62 34 sixteenth sixteenth JJ 39928 62 35 century century NN 39928 62 36 . . . 39928 63 1 It -PRON- PRP 39928 63 2 is be VBZ 39928 63 3 believed believe VBN 39928 63 4 that that IN 39928 63 5 the the DT 39928 63 6 early early JJ 39928 63 7 Greeks Greeks NNPS 39928 63 8 obtained obtain VBD 39928 63 9 some some DT 39928 63 10 knowledge knowledge NN 39928 63 11 of of IN 39928 63 12 astronomy astronomy NN 39928 63 13 from from IN 39928 63 14 the the DT 39928 63 15 Chaldeans Chaldeans NNPS 39928 63 16 , , , 39928 63 17 who who WP 39928 63 18 appear appear VBP 39928 63 19 to to TO 39928 63 20 have have VB 39928 63 21 been be VBN 39928 63 22 the the DT 39928 63 23 first first JJ 39928 63 24 systematic systematic JJ 39928 63 25 observers observer NNS 39928 63 26 of of IN 39928 63 27 the the DT 39928 63 28 heavenly heavenly JJ 39928 63 29 bodies body NNS 39928 63 30 by by IN 39928 63 31 means mean NNS 39928 63 32 of of IN 39928 63 33 instruments instrument NNS 39928 63 34 , , , 39928 63 35 and and CC 39928 63 36 who who WP 39928 63 37 are be VBP 39928 63 38 said say VBN 39928 63 39 to to TO 39928 63 40 have have VB 39928 63 41 discovered discover VBN 39928 63 42 the the DT 39928 63 43 cycle cycle NN 39928 63 44 of of IN 39928 63 45 eighteen eighteen CD 39928 63 46 years year NNS 39928 63 47 and and CC 39928 63 48 ten ten CD 39928 63 49 days day NNS 39928 63 50 after after IN 39928 63 51 which which WDT 39928 63 52 the the DT 39928 63 53 sun sun NN 39928 63 54 and and CC 39928 63 55 moon moon NN 39928 63 56 return return VB 39928 63 57 to to IN 39928 63 58 the the DT 39928 63 59 same same JJ 39928 63 60 relative relative JJ 39928 63 61 positions position NNS 39928 63 62 as as IN 39928 63 63 seen see VBN 39928 63 64 from from IN 39928 63 65 the the DT 39928 63 66 earth earth NN 39928 63 67 . . . 39928 64 1 The the DT 39928 64 2 Egyptians Egyptians NNPS 39928 64 3 perhaps perhaps RB 39928 64 4 derived derive VBD 39928 64 5 their -PRON- PRP$ 39928 64 6 knowledge knowledge NN 39928 64 7 from from IN 39928 64 8 the the DT 39928 64 9 same same JJ 39928 64 10 source source NN 39928 64 11 , , , 39928 64 12 but but CC 39928 64 13 there there EX 39928 64 14 is be VBZ 39928 64 15 no no DT 39928 64 16 proof proof NN 39928 64 17 that that IN 39928 64 18 they -PRON- PRP 39928 64 19 were be VBD 39928 64 20 great great JJ 39928 64 21 observers observer NNS 39928 64 22 , , , 39928 64 23 and and CC 39928 64 24 the the DT 39928 64 25 accurate accurate JJ 39928 64 26 orientation orientation NN 39928 64 27 , , , 39928 64 28 proportions proportion NNS 39928 64 29 , , , 39928 64 30 and and CC 39928 64 31 angles angle NNS 39928 64 32 of of IN 39928 64 33 the the DT 39928 64 34 Great Great NNP 39928 64 35 Pyramid Pyramid NNP 39928 64 36 and and CC 39928 64 37 its -PRON- PRP$ 39928 64 38 inner inner JJ 39928 64 39 passages passage NNS 39928 64 40 may may MD 39928 64 41 perhaps perhaps RB 39928 64 42 indicate indicate VB 39928 64 43 a a DT 39928 64 44 Chaldean Chaldean NNP 39928 64 45 architect architect NN 39928 64 46 . . . 39928 65 1 The the DT 39928 65 2 very very RB 39928 65 3 obvious obvious JJ 39928 65 4 dependence dependence NN 39928 65 5 of of IN 39928 65 6 the the DT 39928 65 7 whole whole JJ 39928 65 8 life life NN 39928 65 9 of of IN 39928 65 10 the the DT 39928 65 11 earth earth NN 39928 65 12 upon upon IN 39928 65 13 the the DT 39928 65 14 sun sun NN 39928 65 15 , , , 39928 65 16 as as IN 39928 65 17 a a DT 39928 65 18 giver giver NN 39928 65 19 of of IN 39928 65 20 heat heat NN 39928 65 21 and and CC 39928 65 22 light light NN 39928 65 23 , , , 39928 65 24 sufficiently sufficiently RB 39928 65 25 explains explain VBZ 39928 65 26 the the DT 39928 65 27 origin origin NN 39928 65 28 of of IN 39928 65 29 the the DT 39928 65 30 belief belief NN 39928 65 31 that that IN 39928 65 32 the the DT 39928 65 33 latter latter NN 39928 65 34 was be VBD 39928 65 35 a a DT 39928 65 36 mere mere JJ 39928 65 37 appanage appanage NN 39928 65 38 of of IN 39928 65 39 the the DT 39928 65 40 former former JJ 39928 65 41 ; ; : 39928 65 42 and and CC 39928 65 43 as as IN 39928 65 44 the the DT 39928 65 45 moon moon NN 39928 65 46 also also RB 39928 65 47 illuminates illuminate VBZ 39928 65 48 the the DT 39928 65 49 night night NN 39928 65 50 , , , 39928 65 51 while while IN 39928 65 52 the the DT 39928 65 53 stars star NNS 39928 65 54 as as IN 39928 65 55 a a DT 39928 65 56 whole whole NN 39928 65 57 also also RB 39928 65 58 give give VBP 39928 65 59 a a DT 39928 65 60 very very RB 39928 65 61 perceptible perceptible JJ 39928 65 62 amount amount NN 39928 65 63 of of IN 39928 65 64 light light NN 39928 65 65 , , , 39928 65 66 especially especially RB 39928 65 67 in in IN 39928 65 68 the the DT 39928 65 69 dry dry JJ 39928 65 70 climate climate NN 39928 65 71 and and CC 39928 65 72 clear clear JJ 39928 65 73 atmosphere atmosphere NN 39928 65 74 of of IN 39928 65 75 the the DT 39928 65 76 East East NNP 39928 65 77 , , , 39928 65 78 and and CC 39928 65 79 when when WRB 39928 65 80 compared compare VBN 39928 65 81 with with IN 39928 65 82 the the DT 39928 65 83 pitchy pitchy JJ 39928 65 84 darkness darkness NN 39928 65 85 of of IN 39928 65 86 cloudy cloudy JJ 39928 65 87 nights night NNS 39928 65 88 when when WRB 39928 65 89 the the DT 39928 65 90 moon moon NN 39928 65 91 is be VBZ 39928 65 92 below below IN 39928 65 93 the the DT 39928 65 94 horizon horizon NN 39928 65 95 , , , 39928 65 96 it -PRON- PRP 39928 65 97 seemed seem VBD 39928 65 98 clear clear JJ 39928 65 99 that that IN 39928 65 100 the the DT 39928 65 101 whole whole NN 39928 65 102 of of IN 39928 65 103 these these DT 39928 65 104 grand grand JJ 39928 65 105 luminaries luminary NNS 39928 65 106 -- -- : 39928 65 107 sun sun NN 39928 65 108 , , , 39928 65 109 moon moon NN 39928 65 110 , , , 39928 65 111 stars star NNS 39928 65 112 , , , 39928 65 113 and and CC 39928 65 114 planets planet NNS 39928 65 115 -- -- : 39928 65 116 were be VBD 39928 65 117 but but CC 39928 65 118 parts part NNS 39928 65 119 of of IN 39928 65 120 the the DT 39928 65 121 terrestrial terrestrial JJ 39928 65 122 system system NN 39928 65 123 , , , 39928 65 124 and and CC 39928 65 125 existed exist VBD 39928 65 126 solely solely RB 39928 65 127 for for IN 39928 65 128 the the DT 39928 65 129 benefit benefit NN 39928 65 130 of of IN 39928 65 131 its -PRON- PRP$ 39928 65 132 inhabitants inhabitant NNS 39928 65 133 . . . 39928 66 1 Empedocles empedocle NNS 39928 66 2 ( ( -LRB- 39928 66 3 444 444 CD 39928 66 4 B.C. B.C. NNP 39928 66 5 ) ) -RRB- 39928 67 1 is be VBZ 39928 67 2 said say VBN 39928 67 3 to to TO 39928 67 4 have have VB 39928 67 5 been be VBN 39928 67 6 the the DT 39928 67 7 first first JJ 39928 67 8 who who WP 39928 67 9 separated separate VBD 39928 67 10 the the DT 39928 67 11 planets planet NNS 39928 67 12 from from IN 39928 67 13 the the DT 39928 67 14 fixed fix VBN 39928 67 15 stars star NNS 39928 67 16 , , , 39928 67 17 by by IN 39928 67 18 observing observe VBG 39928 67 19 their -PRON- PRP$ 39928 67 20 very very RB 39928 67 21 peculiar peculiar JJ 39928 67 22 motions motion NNS 39928 67 23 , , , 39928 67 24 while while IN 39928 67 25 Pythagoras Pythagoras NNP 39928 67 26 and and CC 39928 67 27 his -PRON- PRP$ 39928 67 28 followers follower NNS 39928 67 29 determined determine VBD 39928 67 30 correctly correctly RB 39928 67 31 the the DT 39928 67 32 order order NN 39928 67 33 of of IN 39928 67 34 their -PRON- PRP$ 39928 67 35 succession succession NN 39928 67 36 from from IN 39928 67 37 Mercury Mercury NNP 39928 67 38 to to IN 39928 67 39 Saturn Saturn NNP 39928 67 40 . . . 39928 68 1 No no DT 39928 68 2 attempt attempt NN 39928 68 3 was be VBD 39928 68 4 made make VBN 39928 68 5 to to TO 39928 68 6 explain explain VB 39928 68 7 these these DT 39928 68 8 motions motion NNS 39928 68 9 till till IN 39928 68 10 a a DT 39928 68 11 century century NN 39928 68 12 later later RB 39928 68 13 , , , 39928 68 14 when when WRB 39928 68 15 Eudoxus Eudoxus NNP 39928 68 16 of of IN 39928 68 17 Cnidos Cnidos NNP 39928 68 18 , , , 39928 68 19 a a DT 39928 68 20 contemporary contemporary NN 39928 68 21 of of IN 39928 68 22 Plato Plato NNP 39928 68 23 and and CC 39928 68 24 of of IN 39928 68 25 Aristotle Aristotle NNP 39928 68 26 , , , 39928 68 27 resided reside VBD 39928 68 28 for for IN 39928 68 29 some some DT 39928 68 30 time time NN 39928 68 31 in in IN 39928 68 32 Egypt Egypt NNP 39928 68 33 , , , 39928 68 34 where where WRB 39928 68 35 he -PRON- PRP 39928 68 36 became become VBD 39928 68 37 a a DT 39928 68 38 skilful skilful JJ 39928 68 39 astronomer astronomer NN 39928 68 40 . . . 39928 69 1 He -PRON- PRP 39928 69 2 was be VBD 39928 69 3 the the DT 39928 69 4 first first JJ 39928 69 5 who who WP 39928 69 6 systematically systematically RB 39928 69 7 worked work VBD 39928 69 8 out out RP 39928 69 9 and and CC 39928 69 10 explained explain VBD 39928 69 11 the the DT 39928 69 12 various various JJ 39928 69 13 motions motion NNS 39928 69 14 of of IN 39928 69 15 the the DT 39928 69 16 heavenly heavenly JJ 39928 69 17 bodies body NNS 39928 69 18 on on IN 39928 69 19 the the DT 39928 69 20 theory theory NN 39928 69 21 of of IN 39928 69 22 circular circular JJ 39928 69 23 and and CC 39928 69 24 uniform uniform JJ 39928 69 25 motion motion NN 39928 69 26 round round IN 39928 69 27 the the DT 39928 69 28 earth earth NN 39928 69 29 as as IN 39928 69 30 a a DT 39928 69 31 centre centre NN 39928 69 32 , , , 39928 69 33 by by IN 39928 69 34 means mean NNS 39928 69 35 of of IN 39928 69 36 a a DT 39928 69 37 series series NN 39928 69 38 of of IN 39928 69 39 concentric concentric JJ 39928 69 40 spheres sphere NNS 39928 69 41 , , , 39928 69 42 each each DT 39928 69 43 revolving revolving JJ 39928 69 44 at at IN 39928 69 45 a a DT 39928 69 46 different different JJ 39928 69 47 rate rate NN 39928 69 48 and and CC 39928 69 49 on on IN 39928 69 50 a a DT 39928 69 51 different different JJ 39928 69 52 axis axi NNS 39928 69 53 , , , 39928 69 54 but but CC 39928 69 55 so so RB 39928 69 56 united united JJ 39928 69 57 that that IN 39928 69 58 all all DT 39928 69 59 shared share VBN 39928 69 60 in in IN 39928 69 61 the the DT 39928 69 62 motion motion NN 39928 69 63 round round IN 39928 69 64 the the DT 39928 69 65 polar polar JJ 39928 69 66 axis axis NN 39928 69 67 . . . 39928 70 1 The the DT 39928 70 2 moon moon NN 39928 70 3 , , , 39928 70 4 for for IN 39928 70 5 example example NN 39928 70 6 , , , 39928 70 7 was be VBD 39928 70 8 supposed suppose VBN 39928 70 9 to to TO 39928 70 10 be be VB 39928 70 11 carried carry VBN 39928 70 12 by by IN 39928 70 13 three three CD 39928 70 14 spheres sphere NNS 39928 70 15 , , , 39928 70 16 the the DT 39928 70 17 first first JJ 39928 70 18 revolved revolve VBN 39928 70 19 parallel parallel NN 39928 70 20 to to IN 39928 70 21 the the DT 39928 70 22 equator equator NN 39928 70 23 and and CC 39928 70 24 accounted account VBD 39928 70 25 for for IN 39928 70 26 the the DT 39928 70 27 diurnal diurnal JJ 39928 70 28 motion motion NN 39928 70 29 -- -- : 39928 70 30 the the DT 39928 70 31 rising rise VBG 39928 70 32 and and CC 39928 70 33 setting setting NN 39928 70 34 -- -- : 39928 70 35 of of IN 39928 70 36 the the DT 39928 70 37 moon moon NN 39928 70 38 ; ; : 39928 70 39 another another DT 39928 70 40 moved move VBD 39928 70 41 parallel parallel NN 39928 70 42 to to IN 39928 70 43 the the DT 39928 70 44 ecliptic ecliptic NN 39928 70 45 and and CC 39928 70 46 explained explain VBD 39928 70 47 the the DT 39928 70 48 monthly monthly JJ 39928 70 49 changes change NNS 39928 70 50 of of IN 39928 70 51 the the DT 39928 70 52 moon moon NN 39928 70 53 ; ; : 39928 70 54 while while IN 39928 70 55 the the DT 39928 70 56 third third JJ 39928 70 57 revolved revolve VBD 39928 70 58 at at IN 39928 70 59 the the DT 39928 70 60 same same JJ 39928 70 61 rate rate NN 39928 70 62 but but CC 39928 70 63 more more RBR 39928 70 64 obliquely obliquely RB 39928 70 65 , , , 39928 70 66 and and CC 39928 70 67 explained explain VBD 39928 70 68 the the DT 39928 70 69 inclination inclination NN 39928 70 70 of of IN 39928 70 71 the the DT 39928 70 72 moon moon NN 39928 70 73 's 's POS 39928 70 74 orbit orbit NN 39928 70 75 to to IN 39928 70 76 that that DT 39928 70 77 of of IN 39928 70 78 the the DT 39928 70 79 earth earth NN 39928 70 80 . . . 39928 71 1 In in IN 39928 71 2 the the DT 39928 71 3 same same JJ 39928 71 4 way way NN 39928 71 5 each each DT 39928 71 6 of of IN 39928 71 7 the the DT 39928 71 8 five five CD 39928 71 9 planets planet NNS 39928 71 10 had have VBD 39928 71 11 four four CD 39928 71 12 spheres sphere NNS 39928 71 13 , , , 39928 71 14 two two CD 39928 71 15 moving move VBG 39928 71 16 like like IN 39928 71 17 the the DT 39928 71 18 first first JJ 39928 71 19 two two CD 39928 71 20 of of IN 39928 71 21 the the DT 39928 71 22 moon moon NN 39928 71 23 , , , 39928 71 24 another another DT 39928 71 25 one one NN 39928 71 26 also also RB 39928 71 27 moving move VBG 39928 71 28 in in IN 39928 71 29 the the DT 39928 71 30 ecliptic ecliptic NN 39928 71 31 was be VBD 39928 71 32 required require VBN 39928 71 33 to to TO 39928 71 34 explain explain VB 39928 71 35 the the DT 39928 71 36 retrograde retrograde NN 39928 71 37 motion motion NN 39928 71 38 of of IN 39928 71 39 the the DT 39928 71 40 planets planet NNS 39928 71 41 , , , 39928 71 42 while while IN 39928 71 43 a a DT 39928 71 44 fourth fourth JJ 39928 71 45 oblique oblique NN 39928 71 46 to to IN 39928 71 47 the the DT 39928 71 48 ecliptic ecliptic NN 39928 71 49 was be VBD 39928 71 50 needed need VBN 39928 71 51 to to TO 39928 71 52 explain explain VB 39928 71 53 the the DT 39928 71 54 diverging diverge VBG 39928 71 55 motions motion NNS 39928 71 56 due due IN 39928 71 57 to to IN 39928 71 58 the the DT 39928 71 59 different different JJ 39928 71 60 obliquity obliquity NN 39928 71 61 of of IN 39928 71 62 the the DT 39928 71 63 orbit orbit NN 39928 71 64 of of IN 39928 71 65 each each DT 39928 71 66 planet planet NN 39928 71 67 to to IN 39928 71 68 that that DT 39928 71 69 of of IN 39928 71 70 the the DT 39928 71 71 earth earth NN 39928 71 72 . . . 39928 72 1 This this DT 39928 72 2 was be VBD 39928 72 3 the the DT 39928 72 4 celebrated celebrated JJ 39928 72 5 Ptolemaic Ptolemaic NNP 39928 72 6 system system NN 39928 72 7 in in IN 39928 72 8 the the DT 39928 72 9 simplest simple JJS 39928 72 10 form form NN 39928 72 11 needed need VBN 39928 72 12 to to TO 39928 72 13 account account VB 39928 72 14 for for IN 39928 72 15 the the DT 39928 72 16 more more RBR 39928 72 17 obvious obvious JJ 39928 72 18 motions motion NNS 39928 72 19 of of IN 39928 72 20 the the DT 39928 72 21 heavenly heavenly JJ 39928 72 22 bodies body NNS 39928 72 23 . . . 39928 73 1 But but CC 39928 73 2 in in IN 39928 73 3 the the DT 39928 73 4 course course NN 39928 73 5 of of IN 39928 73 6 ages age NNS 39928 73 7 the the DT 39928 73 8 Greek greek JJ 39928 73 9 and and CC 39928 73 10 Arabian arabian JJ 39928 73 11 astronomical astronomical JJ 39928 73 12 observers observer NNS 39928 73 13 discovered discover VBD 39928 73 14 small small JJ 39928 73 15 divergences divergence NNS 39928 73 16 due due IN 39928 73 17 to to IN 39928 73 18 the the DT 39928 73 19 various various JJ 39928 73 20 degrees degree NNS 39928 73 21 of of IN 39928 73 22 excentricity excentricity NN 39928 73 23 of of IN 39928 73 24 the the DT 39928 73 25 orbits orbit NNS 39928 73 26 of of IN 39928 73 27 the the DT 39928 73 28 moon moon NN 39928 73 29 and and CC 39928 73 30 planets planet NNS 39928 73 31 and and CC 39928 73 32 their -PRON- PRP$ 39928 73 33 consequent consequent JJ 39928 73 34 varying varying NN 39928 73 35 rates rate NNS 39928 73 36 of of IN 39928 73 37 motion motion NN 39928 73 38 ; ; : 39928 73 39 and and CC 39928 73 40 to to TO 39928 73 41 explain explain VB 39928 73 42 these these DT 39928 73 43 other other JJ 39928 73 44 spheres sphere NNS 39928 73 45 were be VBD 39928 73 46 added add VBN 39928 73 47 , , , 39928 73 48 together together RB 39928 73 49 with with IN 39928 73 50 smaller small JJR 39928 73 51 circles circle NNS 39928 73 52 sometimes sometimes RB 39928 73 53 revolving revolve VBG 39928 73 54 excentrically excentrically RB 39928 73 55 , , , 39928 73 56 so so IN 39928 73 57 that that IN 39928 73 58 at at IN 39928 73 59 length length NN 39928 73 60 about about RB 39928 73 61 sixty sixty CD 39928 73 62 of of IN 39928 73 63 these these DT 39928 73 64 spheres sphere NNS 39928 73 65 , , , 39928 73 66 epicycles epicycle NNS 39928 73 67 and and CC 39928 73 68 excentrics excentric NNS 39928 73 69 were be VBD 39928 73 70 required require VBN 39928 73 71 to to TO 39928 73 72 account account VB 39928 73 73 for for IN 39928 73 74 the the DT 39928 73 75 various various JJ 39928 73 76 motions motion NNS 39928 73 77 observed observe VBN 39928 73 78 with with IN 39928 73 79 the the DT 39928 73 80 rude rude JJ 39928 73 81 instruments instrument NNS 39928 73 82 , , , 39928 73 83 and and CC 39928 73 84 the the DT 39928 73 85 rates rate NNS 39928 73 86 of of IN 39928 73 87 motion motion NN 39928 73 88 determined determine VBN 39928 73 89 by by IN 39928 73 90 the the DT 39928 73 91 very very RB 39928 73 92 imperfect imperfect JJ 39928 73 93 time time NN 39928 73 94 - - HYPH 39928 73 95 measurers measurer NNS 39928 73 96 of of IN 39928 73 97 those those DT 39928 73 98 early early JJ 39928 73 99 ages age NNS 39928 73 100 . . . 39928 74 1 And and CC 39928 74 2 although although IN 39928 74 3 a a DT 39928 74 4 few few JJ 39928 74 5 great great JJ 39928 74 6 philosophers philosopher NNS 39928 74 7 had have VBD 39928 74 8 at at IN 39928 74 9 different different JJ 39928 74 10 times time NNS 39928 74 11 rejected reject VBD 39928 74 12 this this DT 39928 74 13 cumbrous cumbrous JJ 39928 74 14 system system NN 39928 74 15 and and CC 39928 74 16 had have VBD 39928 74 17 endeavoured endeavour VBN 39928 74 18 to to TO 39928 74 19 promulgate promulgate VB 39928 74 20 more more RBR 39928 74 21 correct correct JJ 39928 74 22 ideas idea NNS 39928 74 23 , , , 39928 74 24 their -PRON- PRP$ 39928 74 25 views view NNS 39928 74 26 had have VBD 39928 74 27 no no DT 39928 74 28 influence influence NN 39928 74 29 on on IN 39928 74 30 public public JJ 39928 74 31 opinion opinion NN 39928 74 32 even even RB 39928 74 33 among among IN 39928 74 34 astronomers astronomer NNS 39928 74 35 and and CC 39928 74 36 mathematicians mathematician NNS 39928 74 37 , , , 39928 74 38 and and CC 39928 74 39 the the DT 39928 74 40 Ptolemaic Ptolemaic NNP 39928 74 41 system system NN 39928 74 42 held hold VBD 39928 74 43 full full JJ 39928 74 44 sway sway NN 39928 74 45 down down RP 39928 74 46 to to IN 39928 74 47 the the DT 39928 74 48 time time NN 39928 74 49 of of IN 39928 74 50 Copernicus Copernicus NNP 39928 74 51 , , , 39928 74 52 and and CC 39928 74 53 was be VBD 39928 74 54 not not RB 39928 74 55 finally finally RB 39928 74 56 given give VBN 39928 74 57 up up RP 39928 74 58 till till IN 39928 74 59 Kepler Kepler NNP 39928 74 60 's 's POS 39928 74 61 _ _ NNP 39928 74 62 Laws Laws NNPS 39928 74 63 _ _ NNP 39928 74 64 and and CC 39928 74 65 Galileo Galileo NNP 39928 74 66 's 's POS 39928 74 67 _ _ NNP 39928 74 68 Dialogues Dialogues NNPS 39928 74 69 _ _ NNP 39928 74 70 compelled compel VBD 39928 74 71 the the DT 39928 74 72 adoption adoption NN 39928 74 73 of of IN 39928 74 74 simpler simple JJR 39928 74 75 and and CC 39928 74 76 more more RBR 39928 74 77 intelligible intelligible JJ 39928 74 78 theories theory NNS 39928 74 79 . . . 39928 75 1 We -PRON- PRP 39928 75 2 are be VBP 39928 75 3 now now RB 39928 75 4 so so RB 39928 75 5 accustomed accustomed JJ 39928 75 6 to to TO 39928 75 7 look look VB 39928 75 8 upon upon IN 39928 75 9 the the DT 39928 75 10 main main JJ 39928 75 11 facts fact NNS 39928 75 12 of of IN 39928 75 13 astronomy astronomy NN 39928 75 14 as as IN 39928 75 15 mere mere JJ 39928 75 16 elementary elementary JJ 39928 75 17 knowledge knowledge NN 39928 75 18 that that IN 39928 75 19 it -PRON- PRP 39928 75 20 is be VBZ 39928 75 21 difficult difficult JJ 39928 75 22 for for IN 39928 75 23 us -PRON- PRP 39928 75 24 to to TO 39928 75 25 picture picture VB 39928 75 26 to to IN 39928 75 27 ourselves -PRON- PRP 39928 75 28 the the DT 39928 75 29 state state NN 39928 75 30 of of IN 39928 75 31 almost almost RB 39928 75 32 complete complete JJ 39928 75 33 ignorance ignorance NN 39928 75 34 which which WDT 39928 75 35 prevailed prevail VBD 39928 75 36 even even RB 39928 75 37 among among IN 39928 75 38 the the DT 39928 75 39 most most RBS 39928 75 40 civilised civilised JJ 39928 75 41 nations nation NNS 39928 75 42 throughout throughout IN 39928 75 43 antiquity antiquity NN 39928 75 44 and and CC 39928 75 45 the the DT 39928 75 46 Middle Middle NNP 39928 75 47 Ages Ages NNPS 39928 75 48 . . . 39928 76 1 The the DT 39928 76 2 rotundity rotundity NN 39928 76 3 of of IN 39928 76 4 the the DT 39928 76 5 earth earth NN 39928 76 6 was be VBD 39928 76 7 held hold VBN 39928 76 8 by by IN 39928 76 9 a a DT 39928 76 10 few few JJ 39928 76 11 at at IN 39928 76 12 a a DT 39928 76 13 very very RB 39928 76 14 early early JJ 39928 76 15 period period NN 39928 76 16 , , , 39928 76 17 and and CC 39928 76 18 was be VBD 39928 76 19 fairly fairly RB 39928 76 20 well well RB 39928 76 21 established establish VBN 39928 76 22 in in IN 39928 76 23 later later JJ 39928 76 24 classical classical JJ 39928 76 25 times time NNS 39928 76 26 . . . 39928 77 1 The the DT 39928 77 2 rough rough JJ 39928 77 3 determination determination NN 39928 77 4 of of IN 39928 77 5 the the DT 39928 77 6 size size NN 39928 77 7 of of IN 39928 77 8 our -PRON- PRP$ 39928 77 9 globe globe NN 39928 77 10 followed follow VBN 39928 77 11 soon soon RB 39928 77 12 after after RB 39928 77 13 ; ; : 39928 77 14 and and CC 39928 77 15 when when WRB 39928 77 16 instrumental instrumental JJ 39928 77 17 observations observation NNS 39928 77 18 became become VBD 39928 77 19 more more RBR 39928 77 20 perfect perfect JJ 39928 77 21 , , , 39928 77 22 the the DT 39928 77 23 distance distance NN 39928 77 24 and and CC 39928 77 25 size size NN 39928 77 26 of of IN 39928 77 27 the the DT 39928 77 28 moon moon NN 39928 77 29 were be VBD 39928 77 30 measured measure VBN 39928 77 31 with with IN 39928 77 32 sufficient sufficient JJ 39928 77 33 accuracy accuracy NN 39928 77 34 to to TO 39928 77 35 show show VB 39928 77 36 that that IN 39928 77 37 it -PRON- PRP 39928 77 38 was be VBD 39928 77 39 very very RB 39928 77 40 much much RB 39928 77 41 smaller small JJR 39928 77 42 than than IN 39928 77 43 the the DT 39928 77 44 earth earth NN 39928 77 45 . . . 39928 78 1 But but CC 39928 78 2 this this DT 39928 78 3 was be VBD 39928 78 4 the the DT 39928 78 5 farthest farth JJS 39928 78 6 limit limit NN 39928 78 7 of of IN 39928 78 8 the the DT 39928 78 9 determination determination NN 39928 78 10 of of IN 39928 78 11 astronomical astronomical JJ 39928 78 12 sizes size NNS 39928 78 13 and and CC 39928 78 14 distances distance NNS 39928 78 15 before before IN 39928 78 16 the the DT 39928 78 17 discovery discovery NN 39928 78 18 of of IN 39928 78 19 the the DT 39928 78 20 telescope telescope NN 39928 78 21 . . . 39928 79 1 Of of IN 39928 79 2 the the DT 39928 79 3 sun sun NN 39928 79 4 's 's POS 39928 79 5 real real JJ 39928 79 6 distance distance NN 39928 79 7 and and CC 39928 79 8 size size NN 39928 79 9 nothing nothing NN 39928 79 10 was be VBD 39928 79 11 known know VBN 39928 79 12 except except IN 39928 79 13 that that IN 39928 79 14 it -PRON- PRP 39928 79 15 was be VBD 39928 79 16 much much RB 39928 79 17 farther farth JJR 39928 79 18 from from IN 39928 79 19 us -PRON- PRP 39928 79 20 and and CC 39928 79 21 much much RB 39928 79 22 larger large JJR 39928 79 23 than than IN 39928 79 24 the the DT 39928 79 25 moon moon NN 39928 79 26 ; ; : 39928 79 27 but but CC 39928 79 28 even even RB 39928 79 29 in in IN 39928 79 30 the the DT 39928 79 31 century century NN 39928 79 32 before before IN 39928 79 33 the the DT 39928 79 34 commencement commencement NN 39928 79 35 of of IN 39928 79 36 the the DT 39928 79 37 Christian christian JJ 39928 79 38 era era NN 39928 79 39 Posidonius Posidonius NNP 39928 79 40 determined determine VBD 39928 79 41 the the DT 39928 79 42 circumference circumference NN 39928 79 43 of of IN 39928 79 44 the the DT 39928 79 45 earth earth NN 39928 79 46 to to TO 39928 79 47 be be VB 39928 79 48 240,000 240,000 CD 39928 79 49 stadia stadia NN 39928 79 50 , , , 39928 79 51 equal equal JJ 39928 79 52 to to IN 39928 79 53 about about RB 39928 79 54 28,600 28,600 CD 39928 79 55 miles mile NNS 39928 79 56 , , , 39928 79 57 a a DT 39928 79 58 wonderfully wonderfully RB 39928 79 59 close close JJ 39928 79 60 approximation approximation NN 39928 79 61 considering consider VBG 39928 79 62 the the DT 39928 79 63 very very RB 39928 79 64 imperfect imperfect JJ 39928 79 65 data datum NNS 39928 79 66 at at IN 39928 79 67 his -PRON- PRP$ 39928 79 68 command command NN 39928 79 69 . . . 39928 80 1 He -PRON- PRP 39928 80 2 is be VBZ 39928 80 3 also also RB 39928 80 4 said say VBN 39928 80 5 to to TO 39928 80 6 have have VB 39928 80 7 calculated calculate VBN 39928 80 8 the the DT 39928 80 9 sun sun NN 39928 80 10 's 's POS 39928 80 11 distance distance NN 39928 80 12 , , , 39928 80 13 making make VBG 39928 80 14 it -PRON- PRP 39928 80 15 only only RB 39928 80 16 one one CD 39928 80 17 - - HYPH 39928 80 18 third third NN 39928 80 19 less 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instruments instrument NNS 39928 80 59 are be VBP 39928 80 60 required require VBN 39928 80 61 which which WDT 39928 80 62 measure measure NN 39928 80 63 to to IN 39928 80 64 a a DT 39928 80 65 second second NN 39928 80 66 of of IN 39928 80 67 arc arc NN 39928 80 68 . . . 39928 81 1 Before before IN 39928 81 2 the the DT 39928 81 3 discovery discovery NN 39928 81 4 of of IN 39928 81 5 the the DT 39928 81 6 telescope telescope NN 39928 81 7 the the DT 39928 81 8 sizes size NNS 39928 81 9 of of IN 39928 81 10 the the DT 39928 81 11 planets planet NNS 39928 81 12 were be VBD 39928 81 13 quite quite RB 39928 81 14 unknown unknown JJ 39928 81 15 , , , 39928 81 16 while while IN 39928 81 17 the the DT 39928 81 18 most most JJS 39928 81 19 that that WDT 39928 81 20 could could MD 39928 81 21 be be VB 39928 81 22 ascertained ascertain VBN 39928 81 23 about about IN 39928 81 24 the the DT 39928 81 25 stars star NNS 39928 81 26 was be VBD 39928 81 27 , , , 39928 81 28 that that IN 39928 81 29 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82 31 earth earth NN 39928 82 32 was be VBD 39928 82 33 held hold VBN 39928 82 34 to to TO 39928 82 35 be be VB 39928 82 36 the the DT 39928 82 37 centre centre NN 39928 82 38 , , , 39928 82 39 we -PRON- PRP 39928 82 40 can can MD 39928 82 41 not not RB 39928 82 42 be be VB 39928 82 43 surprised surprised JJ 39928 82 44 at at IN 39928 82 45 the the DT 39928 82 46 almost almost RB 39928 82 47 universal universal JJ 39928 82 48 belief belief NN 39928 82 49 that that IN 39928 82 50 this this DT 39928 82 51 universe universe NN 39928 82 52 existed exist VBD 39928 82 53 solely solely RB 39928 82 54 for for IN 39928 82 55 the the DT 39928 82 56 earth earth NN 39928 82 57 and and CC 39928 82 58 its -PRON- PRP$ 39928 82 59 inhabitants inhabitant NNS 39928 82 60 . . . 39928 83 1 In in IN 39928 83 2 classical classical JJ 39928 83 3 times time NNS 39928 83 4 it -PRON- PRP 39928 83 5 was be VBD 39928 83 6 held hold VBN 39928 83 7 to to TO 39928 83 8 be be VB 39928 83 9 at at IN 39928 83 10 once once RB 39928 83 11 the the DT 39928 83 12 dwelling dwelling NN 39928 83 13 - - HYPH 39928 83 14 place place NN 39928 83 15 of of IN 39928 83 16 the the DT 39928 83 17 gods god NNS 39928 83 18 and and CC 39928 83 19 their -PRON- PRP$ 39928 83 20 gift gift NN 39928 83 21 to to IN 39928 83 22 man man NN 39928 83 23 , , , 39928 83 24 while while IN 39928 83 25 in in IN 39928 83 26 Christian christian JJ 39928 83 27 ages age NNS 39928 83 28 this this DT 39928 83 29 belief belief NN 39928 83 30 was be VBD 39928 83 31 but but CC 39928 83 32 slightly slightly RB 39928 83 33 , , , 39928 83 34 if if IN 39928 83 35 at at RB 39928 83 36 all all RB 39928 83 37 , , , 39928 83 38 changed change VBN 39928 83 39 ; ; : 39928 83 40 and and CC 39928 83 41 in in IN 39928 83 42 both both DT 39928 83 43 it -PRON- PRP 39928 83 44 would would MD 39928 83 45 have have VB 39928 83 46 been be VBN 39928 83 47 considered consider VBN 39928 83 48 impious impious JJ 39928 83 49 to to TO 39928 83 50 maintain maintain VB 39928 83 51 that that IN 39928 83 52 the the DT 39928 83 53 planets planet NNS 39928 83 54 and and CC 39928 83 55 stars star NNS 39928 83 56 did do VBD 39928 83 57 not not RB 39928 83 58 exist exist VB 39928 83 59 for for IN 39928 83 60 the the DT 39928 83 61 service service NN 39928 83 62 and and CC 39928 83 63 delight delight NN 39928 83 64 of of IN 39928 83 65 mankind mankind NN 39928 83 66 alone alone RB 39928 83 67 but but CC 39928 83 68 in in IN 39928 83 69 all all DT 39928 83 70 probability probability NN 39928 83 71 had have VBD 39928 83 72 their -PRON- PRP$ 39928 83 73 own own JJ 39928 83 74 inhabitants inhabitant NNS 39928 83 75 , , , 39928 83 76 who who WP 39928 83 77 might may MD 39928 83 78 in in IN 39928 83 79 some some DT 39928 83 80 cases case NNS 39928 83 81 be be VB 39928 83 82 even even RB 39928 83 83 superior superior JJ 39928 83 84 in in IN 39928 83 85 intellect intellect NN 39928 83 86 to to TO 39928 83 87 man man VB 39928 83 88 himself -PRON- PRP 39928 83 89 . . . 39928 84 1 But but CC 39928 84 2 apparently apparently RB 39928 84 3 , , , 39928 84 4 during during IN 39928 84 5 the the DT 39928 84 6 whole whole JJ 39928 84 7 period period NN 39928 84 8 of of IN 39928 84 9 which which WDT 39928 84 10 we -PRON- PRP 39928 84 11 are be VBP 39928 84 12 now now RB 39928 84 13 treating treat VBG 39928 84 14 , , , 39928 84 15 no no DT 39928 84 16 one one NN 39928 84 17 was be VBD 39928 84 18 so so RB 39928 84 19 daring daring JJ 39928 84 20 as as IN 39928 84 21 even even RB 39928 84 22 to to TO 39928 84 23 suggest suggest VB 39928 84 24 that that IN 39928 84 25 there there EX 39928 84 26 were be VBD 39928 84 27 other other JJ 39928 84 28 worlds world NNS 39928 84 29 with with IN 39928 84 30 other other JJ 39928 84 31 inhabitants inhabitant NNS 39928 84 32 , , , 39928 84 33 and and CC 39928 84 34 it -PRON- PRP 39928 84 35 was be VBD 39928 84 36 no no RB 39928 84 37 doubt doubt NN 39928 84 38 because because IN 39928 84 39 of of IN 39928 84 40 the the DT 39928 84 41 idea idea NN 39928 84 42 that that IN 39928 84 43 we -PRON- PRP 39928 84 44 occupied occupy VBD 39928 84 45 _ _ NNP 39928 84 46 the the DT 39928 84 47 _ _ NNP 39928 84 48 world world NN 39928 84 49 , , , 39928 84 50 the the DT 39928 84 51 very very RB 39928 84 52 centre centre NN 39928 84 53 of of IN 39928 84 54 the the DT 39928 84 55 whole whole JJ 39928 84 56 surrounding surround VBG 39928 84 57 universe universe NN 39928 84 58 which which WDT 39928 84 59 existed exist VBD 39928 84 60 solely solely RB 39928 84 61 for for IN 39928 84 62 us -PRON- PRP 39928 84 63 , , , 39928 84 64 that that IN 39928 84 65 the the DT 39928 84 66 discoveries discovery NNS 39928 84 67 of of IN 39928 84 68 Copernicus Copernicus NNP 39928 84 69 , , , 39928 84 70 Tycho Tycho NNP 39928 84 71 Brahé Brahé NNP 39928 84 72 , , , 39928 84 73 Kepler Kepler NNP 39928 84 74 , , , 39928 84 75 and and CC 39928 84 76 Galileo Galileo NNP 39928 84 77 excited excite VBD 39928 84 78 so so RB 39928 84 79 much much JJ 39928 84 80 antagonism antagonism NN 39928 84 81 and and CC 39928 84 82 were be VBD 39928 84 83 held hold VBN 39928 84 84 to to TO 39928 84 85 be be VB 39928 84 86 impious impious JJ 39928 84 87 and and CC 39928 84 88 altogether altogether RB 39928 84 89 incredible incredible JJ 39928 84 90 . . . 39928 85 1 They -PRON- PRP 39928 85 2 seemed seem VBD 39928 85 3 to to TO 39928 85 4 upset upset VB 39928 85 5 the the DT 39928 85 6 whole whole JJ 39928 85 7 accepted accepted JJ 39928 85 8 order order NN 39928 85 9 of of IN 39928 85 10 nature nature NN 39928 85 11 , , , 39928 85 12 and and CC 39928 85 13 to to TO 39928 85 14 degrade degrade VB 39928 85 15 man man NN 39928 85 16 by by IN 39928 85 17 removing remove VBG 39928 85 18 his -PRON- PRP$ 39928 85 19 dwelling dwelling NN 39928 85 20 - - HYPH 39928 85 21 place place NN 39928 85 22 , , , 39928 85 23 the the DT 39928 85 24 earth earth NN 39928 85 25 , , , 39928 85 26 from from IN 39928 85 27 the the DT 39928 85 28 commanding command VBG 39928 85 29 central central JJ 39928 85 30 position position NN 39928 85 31 it -PRON- PRP 39928 85 32 had have VBD 39928 85 33 always always RB 39928 85 34 before before RB 39928 85 35 occupied occupy VBN 39928 85 36 . . . 39928 86 1 CHAPTER CHAPTER NNP 39928 86 2 II II NNP 39928 86 3 MODERN MODERN NNP 39928 86 4 IDEAS ideas NN 39928 86 5 AS as IN 39928 86 6 TO to IN 39928 86 7 MAN MAN NNP 39928 86 8 'S be VBZ 39928 86 9 RELATION relation NN 39928 86 10 TO to IN 39928 86 11 THE the DT 39928 86 12 UNIVERSE universe NN 39928 86 13 The the DT 39928 86 14 beliefs belief NNS 39928 86 15 as as IN 39928 86 16 to to IN 39928 86 17 the the DT 39928 86 18 subordinate subordinate JJ 39928 86 19 position position NN 39928 86 20 held hold VBN 39928 86 21 by by IN 39928 86 22 sun sun NN 39928 86 23 , , , 39928 86 24 moon moon NN 39928 86 25 , , , 39928 86 26 and and CC 39928 86 27 stars star NNS 39928 86 28 in in IN 39928 86 29 relation relation NN 39928 86 30 to to IN 39928 86 31 the the DT 39928 86 32 earth earth NN 39928 86 33 , , , 39928 86 34 which which WDT 39928 86 35 were be VBD 39928 86 36 almost almost RB 39928 86 37 universal universal JJ 39928 86 38 down down RP 39928 86 39 to to IN 39928 86 40 the the DT 39928 86 41 time time NN 39928 86 42 of of IN 39928 86 43 Copernicus Copernicus NNP 39928 86 44 , , , 39928 86 45 began begin VBD 39928 86 46 to to TO 39928 86 47 give give VB 39928 86 48 way way NN 39928 86 49 when when WRB 39928 86 50 the the DT 39928 86 51 discoveries discovery NNS 39928 86 52 of of IN 39928 86 53 Kepler Kepler NNP 39928 86 54 and and CC 39928 86 55 the the DT 39928 86 56 revelations revelation NNS 39928 86 57 of of IN 39928 86 58 the the DT 39928 86 59 telescope telescope NN 39928 86 60 demonstrated demonstrate VBD 39928 86 61 that that IN 39928 86 62 our -PRON- PRP$ 39928 86 63 earth earth NN 39928 86 64 was be VBD 39928 86 65 not not RB 39928 86 66 specially specially RB 39928 86 67 distinguished distinguish VBN 39928 86 68 from from IN 39928 86 69 the the DT 39928 86 70 other other JJ 39928 86 71 planets planet NNS 39928 86 72 by by IN 39928 86 73 any any DT 39928 86 74 superiority superiority NN 39928 86 75 of of IN 39928 86 76 size size NN 39928 86 77 or or CC 39928 86 78 position position NN 39928 86 79 . . . 39928 87 1 The the DT 39928 87 2 idea idea NN 39928 87 3 at at IN 39928 87 4 once once RB 39928 87 5 arose arise VBD 39928 87 6 that that IN 39928 87 7 the the DT 39928 87 8 other other JJ 39928 87 9 planets planet NNS 39928 87 10 might may MD 39928 87 11 be be VB 39928 87 12 inhabited inhabit VBN 39928 87 13 ; ; : 39928 87 14 and and CC 39928 87 15 when when WRB 39928 87 16 the the DT 39928 87 17 rapidly rapidly RB 39928 87 18 increasing increase VBG 39928 87 19 power power NN 39928 87 20 of of IN 39928 87 21 the the DT 39928 87 22 telescope telescope NN 39928 87 23 , , , 39928 87 24 and and CC 39928 87 25 of of IN 39928 87 26 astronomical astronomical JJ 39928 87 27 instruments instrument NNS 39928 87 28 generally generally RB 39928 87 29 , , , 39928 87 30 revealed reveal VBD 39928 87 31 the the DT 39928 87 32 wonders wonder NNS 39928 87 33 of of IN 39928 87 34 the the DT 39928 87 35 solar solar JJ 39928 87 36 system system NN 39928 87 37 and and CC 39928 87 38 the the DT 39928 87 39 ever ever RB 39928 87 40 - - HYPH 39928 87 41 increasing increase VBG 39928 87 42 numbers number NNS 39928 87 43 of of IN 39928 87 44 the the DT 39928 87 45 fixed fix VBN 39928 87 46 stars star NNS 39928 87 47 , , , 39928 87 48 the the DT 39928 87 49 belief belief NN 39928 87 50 in in IN 39928 87 51 other other JJ 39928 87 52 inhabited inhabited JJ 39928 87 53 worlds world NNS 39928 87 54 became become VBD 39928 87 55 as as RB 39928 87 56 general general JJ 39928 87 57 as as IN 39928 87 58 the the DT 39928 87 59 opposite opposite JJ 39928 87 60 belief belief NN 39928 87 61 had have VBD 39928 87 62 been be VBN 39928 87 63 in in IN 39928 87 64 all all DT 39928 87 65 preceding precede VBG 39928 87 66 ages age NNS 39928 87 67 , , , 39928 87 68 and and CC 39928 87 69 it -PRON- PRP 39928 87 70 is be VBZ 39928 87 71 still still RB 39928 87 72 held hold VBN 39928 87 73 in in IN 39928 87 74 modified modify VBN 39928 87 75 forms form NNS 39928 87 76 to to IN 39928 87 77 the the DT 39928 87 78 present present JJ 39928 87 79 day day NN 39928 87 80 . . . 39928 88 1 But but CC 39928 88 2 it -PRON- PRP 39928 88 3 may may MD 39928 88 4 be be VB 39928 88 5 truly truly RB 39928 88 6 said say VBN 39928 88 7 that that IN 39928 88 8 the the DT 39928 88 9 later later JJ 39928 88 10 like like IN 39928 88 11 the the DT 39928 88 12 earlier early JJR 39928 88 13 belief belief NN 39928 88 14 is be VBZ 39928 88 15 founded found VBN 39928 88 16 more more RBR 39928 88 17 upon upon IN 39928 88 18 religious religious JJ 39928 88 19 ideas idea NNS 39928 88 20 than than IN 39928 88 21 upon upon IN 39928 88 22 a a DT 39928 88 23 scientific scientific JJ 39928 88 24 and and CC 39928 88 25 careful careful JJ 39928 88 26 examination examination NN 39928 88 27 of of IN 39928 88 28 the the DT 39928 88 29 whole whole NN 39928 88 30 of of IN 39928 88 31 the the DT 39928 88 32 facts fact NNS 39928 88 33 both both CC 39928 88 34 astronomical astronomical JJ 39928 88 35 , , , 39928 88 36 physical physical JJ 39928 88 37 , , , 39928 88 38 and and CC 39928 88 39 biological biological JJ 39928 88 40 , , , 39928 88 41 and and CC 39928 88 42 we -PRON- PRP 39928 88 43 must must MD 39928 88 44 agree agree VB 39928 88 45 with with IN 39928 88 46 the the DT 39928 88 47 late late JJ 39928 88 48 Dr. Dr. NNP 39928 88 49 Whewell Whewell NNP 39928 88 50 , , , 39928 88 51 that that IN 39928 88 52 the the DT 39928 88 53 belief belief NN 39928 88 54 that that IN 39928 88 55 other other JJ 39928 88 56 planets planet NNS 39928 88 57 are be VBP 39928 88 58 inhabited inhabit VBN 39928 88 59 has have VBZ 39928 88 60 been be VBN 39928 88 61 generally generally RB 39928 88 62 entertained entertain VBN 39928 88 63 , , , 39928 88 64 not not RB 39928 88 65 in in IN 39928 88 66 consequence consequence NN 39928 88 67 of of IN 39928 88 68 physical physical JJ 39928 88 69 reasons reason NNS 39928 88 70 but but CC 39928 88 71 in in IN 39928 88 72 spite spite NN 39928 88 73 of of IN 39928 88 74 them -PRON- PRP 39928 88 75 . . . 39928 89 1 And and CC 39928 89 2 he -PRON- PRP 39928 89 3 adds:--'It adds:--'it CD 39928 89 4 was be VBD 39928 89 5 held hold VBN 39928 89 6 that that IN 39928 89 7 Venus Venus NNP 39928 89 8 , , , 39928 89 9 or or CC 39928 89 10 that that IN 39928 89 11 Saturn Saturn NNP 39928 89 12 was be VBD 39928 89 13 inhabited inhabit VBN 39928 89 14 , , , 39928 89 15 not not RB 39928 89 16 because because IN 39928 89 17 anyone anyone NN 39928 89 18 could could MD 39928 89 19 devise devise VB 39928 89 20 , , , 39928 89 21 with with IN 39928 89 22 any any DT 39928 89 23 degree degree NN 39928 89 24 of of IN 39928 89 25 probability probability NN 39928 89 26 , , , 39928 89 27 any any DT 39928 89 28 organised organise VBN 39928 89 29 structure structure NN 39928 89 30 which which WDT 39928 89 31 would would MD 39928 89 32 be be VB 39928 89 33 suitable suitable JJ 39928 89 34 to to TO 39928 89 35 animal animal VB 39928 89 36 existence existence NN 39928 89 37 on on IN 39928 89 38 the the DT 39928 89 39 surfaces surface NNS 39928 89 40 of of IN 39928 89 41 those those DT 39928 89 42 planets planet NNS 39928 89 43 ; ; : 39928 89 44 but but CC 39928 89 45 because because IN 39928 89 46 it -PRON- PRP 39928 89 47 was be VBD 39928 89 48 conceived conceive VBN 39928 89 49 that that IN 39928 89 50 the the DT 39928 89 51 greatness greatness NN 39928 89 52 or or CC 39928 89 53 goodness goodness NN 39928 89 54 of of IN 39928 89 55 the the DT 39928 89 56 Creator Creator NNP 39928 89 57 , , , 39928 89 58 or or CC 39928 89 59 His -PRON- PRP$ 39928 89 60 wisdom wisdom NN 39928 89 61 , , , 39928 89 62 or or CC 39928 89 63 some some DT 39928 89 64 other other JJ 39928 89 65 of of IN 39928 89 66 His -PRON- PRP$ 39928 89 67 attributes attribute NNS 39928 89 68 , , , 39928 89 69 would would MD 39928 89 70 be be VB 39928 89 71 manifestly manifestly RB 39928 89 72 imperfect imperfect JJ 39928 89 73 , , , 39928 89 74 if if IN 39928 89 75 these these DT 39928 89 76 planets planet NNS 39928 89 77 were be VBD 39928 89 78 not not RB 39928 89 79 tenanted tenant VBN 39928 89 80 by by IN 39928 89 81 living live VBG 39928 89 82 creatures creature NNS 39928 89 83 . . . 39928 89 84 ' ' '' 39928 90 1 Those those DT 39928 90 2 persons person NNS 39928 90 3 who who WP 39928 90 4 have have VBP 39928 90 5 only only RB 39928 90 6 heard hear VBN 39928 90 7 that that IN 39928 90 8 many many JJ 39928 90 9 eminent eminent JJ 39928 90 10 astronomers astronomer NNS 39928 90 11 down down RP 39928 90 12 to to IN 39928 90 13 our -PRON- PRP$ 39928 90 14 own own JJ 39928 90 15 day day NN 39928 90 16 have have VBP 39928 90 17 upheld uphold VBN 39928 90 18 the the DT 39928 90 19 belief belief NN 39928 90 20 in in IN 39928 90 21 a a DT 39928 90 22 ' ' `` 39928 90 23 Plurality Plurality NNP 39928 90 24 of of IN 39928 90 25 Worlds Worlds NNP 39928 90 26 ' ' '' 39928 90 27 will will MD 39928 90 28 naturally naturally RB 39928 90 29 suppose suppose VB 39928 90 30 that that IN 39928 90 31 there there EX 39928 90 32 must must MD 39928 90 33 be be VB 39928 90 34 some some DT 39928 90 35 very very RB 39928 90 36 cogent cogent JJ 39928 90 37 arguments argument NNS 39928 90 38 in in IN 39928 90 39 its -PRON- PRP$ 39928 90 40 favour favour NN 39928 90 41 , , , 39928 90 42 and and CC 39928 90 43 that that IN 39928 90 44 it -PRON- PRP 39928 90 45 must must MD 39928 90 46 be be VB 39928 90 47 supported support VBN 39928 90 48 by by IN 39928 90 49 a a DT 39928 90 50 considerable considerable JJ 39928 90 51 body body NN 39928 90 52 of of IN 39928 90 53 more more JJR 39928 90 54 or or CC 39928 90 55 less less RBR 39928 90 56 conclusive conclusive JJ 39928 90 57 facts fact NNS 39928 90 58 . . . 39928 91 1 They -PRON- PRP 39928 91 2 will will MD 39928 91 3 therefore therefore RB 39928 91 4 probably probably RB 39928 91 5 be be VB 39928 91 6 surprised surprised JJ 39928 91 7 to to TO 39928 91 8 hear hear VB 39928 91 9 that that IN 39928 91 10 any any DT 39928 91 11 direct direct JJ 39928 91 12 evidence evidence NN 39928 91 13 which which WDT 39928 91 14 may may MD 39928 91 15 be be VB 39928 91 16 held hold VBN 39928 91 17 to to TO 39928 91 18 support support VB 39928 91 19 the the DT 39928 91 20 view view NN 39928 91 21 is be VBZ 39928 91 22 almost almost RB 39928 91 23 wholly wholly RB 39928 91 24 wanting want VBG 39928 91 25 , , , 39928 91 26 and and CC 39928 91 27 that that IN 39928 91 28 the the DT 39928 91 29 greater great JJR 39928 91 30 part part NN 39928 91 31 of of IN 39928 91 32 the the DT 39928 91 33 arguments argument NNS 39928 91 34 are be VBP 39928 91 35 weak weak JJ 39928 91 36 and and CC 39928 91 37 flimsy flimsy JJ 39928 91 38 in in IN 39928 91 39 the the DT 39928 91 40 extreme extreme NN 39928 91 41 . . . 39928 92 1 Of of IN 39928 92 2 late late JJ 39928 92 3 years year NNS 39928 92 4 , , , 39928 92 5 it -PRON- PRP 39928 92 6 is be VBZ 39928 92 7 true true JJ 39928 92 8 , , , 39928 92 9 some some DT 39928 92 10 few few JJ 39928 92 11 writers writer NNS 39928 92 12 have have VBP 39928 92 13 ventured venture VBN 39928 92 14 to to TO 39928 92 15 point point VB 39928 92 16 out out RP 39928 92 17 how how WRB 39928 92 18 many many JJ 39928 92 19 difficulties difficulty NNS 39928 92 20 there there EX 39928 92 21 are be VBP 39928 92 22 in in IN 39928 92 23 the the DT 39928 92 24 way way NN 39928 92 25 of of IN 39928 92 26 accepting accept VBG 39928 92 27 the the DT 39928 92 28 belief belief NN 39928 92 29 , , , 39928 92 30 but but CC 39928 92 31 even even RB 39928 92 32 these these DT 39928 92 33 have have VBP 39928 92 34 never never RB 39928 92 35 examined examine VBN 39928 92 36 the the DT 39928 92 37 question question NN 39928 92 38 from from IN 39928 92 39 the the DT 39928 92 40 various various JJ 39928 92 41 points point NNS 39928 92 42 of of IN 39928 92 43 view view NN 39928 92 44 which which WDT 39928 92 45 are be VBP 39928 92 46 essential essential JJ 39928 92 47 to to IN 39928 92 48 a a DT 39928 92 49 proper proper JJ 39928 92 50 consideration consideration NN 39928 92 51 of of IN 39928 92 52 it -PRON- PRP 39928 92 53 ; ; : 39928 92 54 while while IN 39928 92 55 , , , 39928 92 56 so so RB 39928 92 57 far far RB 39928 92 58 as as IN 39928 92 59 it -PRON- PRP 39928 92 60 is be VBZ 39928 92 61 still still RB 39928 92 62 upheld uphold VBN 39928 92 63 , , , 39928 92 64 it -PRON- PRP 39928 92 65 is be VBZ 39928 92 66 thought think VBN 39928 92 67 sufficient sufficient JJ 39928 92 68 to to TO 39928 92 69 show show VB 39928 92 70 , , , 39928 92 71 that that IN 39928 92 72 in in IN 39928 92 73 the the DT 39928 92 74 case case NN 39928 92 75 of of IN 39928 92 76 some some DT 39928 92 77 of of IN 39928 92 78 the the DT 39928 92 79 planets planet NNS 39928 92 80 , , , 39928 92 81 there there EX 39928 92 82 seem seem VBP 39928 92 83 to to TO 39928 92 84 be be VB 39928 92 85 such such JJ 39928 92 86 conditions condition NNS 39928 92 87 as as IN 39928 92 88 to to TO 39928 92 89 render render VB 39928 92 90 life life NN 39928 92 91 possible possible JJ 39928 92 92 . . . 39928 93 1 In in IN 39928 93 2 the the DT 39928 93 3 millions million NNS 39928 93 4 of of IN 39928 93 5 planetary planetary NN 39928 93 6 systems system NNS 39928 93 7 supposed suppose VBN 39928 93 8 to to TO 39928 93 9 exist exist VB 39928 93 10 it -PRON- PRP 39928 93 11 is be VBZ 39928 93 12 held hold VBN 39928 93 13 to to TO 39928 93 14 be be VB 39928 93 15 incredible incredible JJ 39928 93 16 that that IN 39928 93 17 there there EX 39928 93 18 are be VBP 39928 93 19 not not RB 39928 93 20 great great JJ 39928 93 21 numbers number NNS 39928 93 22 as as RB 39928 93 23 well well RB 39928 93 24 fitted fit VBD 39928 93 25 to to TO 39928 93 26 be be VB 39928 93 27 inhabited inhabit VBN 39928 93 28 by by IN 39928 93 29 animals animal NNS 39928 93 30 of of IN 39928 93 31 all all DT 39928 93 32 grades grade NNS 39928 93 33 , , , 39928 93 34 including include VBG 39928 93 35 some some DT 39928 93 36 as as RB 39928 93 37 high high JJ 39928 93 38 as as IN 39928 93 39 man man NN 39928 93 40 or or CC 39928 93 41 even even RB 39928 93 42 higher high JJR 39928 93 43 , , , 39928 93 44 and and CC 39928 93 45 that that IN 39928 93 46 we -PRON- PRP 39928 93 47 must must MD 39928 93 48 , , , 39928 93 49 therefore therefore RB 39928 93 50 , , , 39928 93 51 believe believe VBP 39928 93 52 that that IN 39928 93 53 they -PRON- PRP 39928 93 54 are be VBP 39928 93 55 so so RB 39928 93 56 inhabited inhabited JJ 39928 93 57 . . . 39928 94 1 As as IN 39928 94 2 in in IN 39928 94 3 the the DT 39928 94 4 present present JJ 39928 94 5 work work NN 39928 94 6 I -PRON- PRP 39928 94 7 propose propose VBP 39928 94 8 to to TO 39928 94 9 show show VB 39928 94 10 , , , 39928 94 11 that that IN 39928 94 12 the the DT 39928 94 13 probabilities probability NNS 39928 94 14 and and CC 39928 94 15 the the DT 39928 94 16 weight weight NN 39928 94 17 of of IN 39928 94 18 direct direct JJ 39928 94 19 evidence evidence NN 39928 94 20 tend tend VB 39928 94 21 to to TO 39928 94 22 an an DT 39928 94 23 exactly exactly RB 39928 94 24 opposite opposite JJ 39928 94 25 conclusion conclusion NN 39928 94 26 , , , 39928 94 27 it -PRON- PRP 39928 94 28 will will MD 39928 94 29 be be VB 39928 94 30 well well JJ 39928 94 31 to to TO 39928 94 32 pass pass VB 39928 94 33 briefly briefly RB 39928 94 34 in in IN 39928 94 35 review review NN 39928 94 36 the the DT 39928 94 37 various various JJ 39928 94 38 writers writer NNS 39928 94 39 on on IN 39928 94 40 the the DT 39928 94 41 subject subject NN 39928 94 42 , , , 39928 94 43 and and CC 39928 94 44 to to TO 39928 94 45 give give VB 39928 94 46 some some DT 39928 94 47 indication indication NN 39928 94 48 of of IN 39928 94 49 the the DT 39928 94 50 arguments argument NNS 39928 94 51 they -PRON- PRP 39928 94 52 have have VBP 39928 94 53 used use VBN 39928 94 54 and and CC 39928 94 55 the the DT 39928 94 56 facts fact NNS 39928 94 57 they -PRON- PRP 39928 94 58 have have VBP 39928 94 59 set set VBN 39928 94 60 forth forth RB 39928 94 61 . . . 39928 95 1 For for IN 39928 95 2 the the DT 39928 95 3 earlier early JJR 39928 95 4 upholders upholder NNS 39928 95 5 of of IN 39928 95 6 the the DT 39928 95 7 theory theory NN 39928 95 8 I -PRON- PRP 39928 95 9 am be VBP 39928 95 10 indebted indebted JJ 39928 95 11 to to IN 39928 95 12 Dr. Dr. NNP 39928 95 13 Whewell Whewell NNP 39928 95 14 , , , 39928 95 15 who who WP 39928 95 16 , , , 39928 95 17 in in IN 39928 95 18 his -PRON- PRP$ 39928 95 19 _ _ NNP 39928 95 20 Dialogue Dialogue NNP 39928 95 21 on on IN 39928 95 22 the the DT 39928 95 23 Plurality plurality NN 39928 95 24 of of IN 39928 95 25 Worlds_--a Worlds_--a : 39928 95 26 Supplement supplement VB 39928 95 27 to to IN 39928 95 28 his -PRON- PRP$ 39928 95 29 well well RB 39928 95 30 - - HYPH 39928 95 31 known know VBN 39928 95 32 volume volume NN 39928 95 33 on on IN 39928 95 34 the the DT 39928 95 35 subject subject NN 39928 95 36 -- -- : 39928 95 37 refers refer VBZ 39928 95 38 to to IN 39928 95 39 all all DT 39928 95 40 writers writer NNS 39928 95 41 of of IN 39928 95 42 importance importance NN 39928 95 43 known know VBN 39928 95 44 to to IN 39928 95 45 him -PRON- PRP 39928 95 46 . . . 39928 96 1 The the DT 39928 96 2 earliest early JJS 39928 96 3 are be VBP 39928 96 4 the the DT 39928 96 5 great great JJ 39928 96 6 astronomers astronomer NNS 39928 96 7 Kepler Kepler NNP 39928 96 8 and and CC 39928 96 9 Huygens Huygens NNP 39928 96 10 , , , 39928 96 11 and and CC 39928 96 12 the the DT 39928 96 13 learned learn VBN 39928 96 14 Bishop Bishop NNP 39928 96 15 Wilkins Wilkins NNP 39928 96 16 , , , 39928 96 17 who who WP 39928 96 18 all all DT 39928 96 19 believed believe VBD 39928 96 20 that that IN 39928 96 21 the the DT 39928 96 22 moon moon NN 39928 96 23 was be VBD 39928 96 24 or or CC 39928 96 25 might may MD 39928 96 26 probably probably RB 39928 96 27 be be VB 39928 96 28 inhabited inhabit VBN 39928 96 29 ; ; : 39928 96 30 and and CC 39928 96 31 of of IN 39928 96 32 these these DT 39928 96 33 Whewell Whewell NNP 39928 96 34 considers consider VBZ 39928 96 35 Wilkins wilkin NNS 39928 96 36 to to TO 39928 96 37 have have VB 39928 96 38 been be VBN 39928 96 39 by by IN 39928 96 40 far far RB 39928 96 41 the the DT 39928 96 42 most most RBS 39928 96 43 thoughtful thoughtful JJ 39928 96 44 and and CC 39928 96 45 earnest earnest JJ 39928 96 46 in in IN 39928 96 47 supporting support VBG 39928 96 48 his -PRON- PRP$ 39928 96 49 views view NNS 39928 96 50 . . . 39928 97 1 Then then RB 39928 97 2 we -PRON- PRP 39928 97 3 have have VBP 39928 97 4 Sir Sir NNP 39928 97 5 Isaac Isaac NNP 39928 97 6 Newton Newton NNP 39928 97 7 himself -PRON- PRP 39928 97 8 who who WP 39928 97 9 , , , 39928 97 10 at at IN 39928 97 11 considerable considerable JJ 39928 97 12 length length NN 39928 97 13 , , , 39928 97 14 argued argue VBD 39928 97 15 that that IN 39928 97 16 the the DT 39928 97 17 sun sun NN 39928 97 18 was be VBD 39928 97 19 probably probably RB 39928 97 20 inhabited inhabit VBN 39928 97 21 . . . 39928 98 1 But but CC 39928 98 2 the the DT 39928 98 3 first first JJ 39928 98 4 regular regular JJ 39928 98 5 work work NN 39928 98 6 devoted devote VBN 39928 98 7 to to IN 39928 98 8 the the DT 39928 98 9 subject subject NN 39928 98 10 appears appear VBZ 39928 98 11 to to TO 39928 98 12 have have VB 39928 98 13 been be VBN 39928 98 14 written write VBN 39928 98 15 by by IN 39928 98 16 M. M. NNP 39928 98 17 Fontenelle Fontenelle NNP 39928 98 18 , , , 39928 98 19 Secretary Secretary NNP 39928 98 20 to to IN 39928 98 21 the the DT 39928 98 22 Academy Academy NNP 39928 98 23 of of IN 39928 98 24 Sciences Sciences NNPS 39928 98 25 in in IN 39928 98 26 Paris Paris NNP 39928 98 27 , , , 39928 98 28 who who WP 39928 98 29 in in IN 39928 98 30 1686 1686 CD 39928 98 31 published publish VBD 39928 98 32 his -PRON- PRP$ 39928 98 33 _ _ NNP 39928 98 34 Conversations Conversations NNPS 39928 98 35 on on IN 39928 98 36 the the DT 39928 98 37 Plurality Plurality NNP 39928 98 38 of of IN 39928 98 39 Worlds Worlds NNP 39928 98 40 _ _ NNP 39928 98 41 . . . 39928 99 1 The the DT 39928 99 2 book book NN 39928 99 3 consisted consist VBD 39928 99 4 of of IN 39928 99 5 five five CD 39928 99 6 chapters chapter NNS 39928 99 7 , , , 39928 99 8 the the DT 39928 99 9 first first JJ 39928 99 10 explaining explain VBG 39928 99 11 the the DT 39928 99 12 Copernican Copernican NNP 39928 99 13 Theory Theory NNP 39928 99 14 ; ; : 39928 99 15 the the DT 39928 99 16 second second JJ 39928 99 17 maintaining maintaining NN 39928 99 18 that that IN 39928 99 19 the the DT 39928 99 20 moon moon NN 39928 99 21 is be VBZ 39928 99 22 a a DT 39928 99 23 habitable habitable JJ 39928 99 24 world world NN 39928 99 25 ; ; : 39928 99 26 the the DT 39928 99 27 third third JJ 39928 99 28 gives give VBZ 39928 99 29 particulars particular NNS 39928 99 30 as as IN 39928 99 31 to to IN 39928 99 32 the the DT 39928 99 33 moon moon NN 39928 99 34 , , , 39928 99 35 and and CC 39928 99 36 argues argue VBZ 39928 99 37 that that IN 39928 99 38 the the DT 39928 99 39 other other JJ 39928 99 40 planets planet NNS 39928 99 41 are be VBP 39928 99 42 also also RB 39928 99 43 inhabited inhabit VBN 39928 99 44 ; ; : 39928 99 45 the the DT 39928 99 46 fourth fourth JJ 39928 99 47 gives give VBZ 39928 99 48 details detail NNS 39928 99 49 as as IN 39928 99 50 to to IN 39928 99 51 the the DT 39928 99 52 worlds world NNS 39928 99 53 of of IN 39928 99 54 the the DT 39928 99 55 five five CD 39928 99 56 planets planet NNS 39928 99 57 ; ; : 39928 99 58 while while IN 39928 99 59 the the DT 39928 99 60 fifth fifth JJ 39928 99 61 declares declare NNS 39928 99 62 that that IN 39928 99 63 the the DT 39928 99 64 fixed fix VBN 39928 99 65 stars star NNS 39928 99 66 are be VBP 39928 99 67 suns sun NNS 39928 99 68 , , , 39928 99 69 and and CC 39928 99 70 that that IN 39928 99 71 each each DT 39928 99 72 illuminates illuminate VBZ 39928 99 73 a a DT 39928 99 74 world world NN 39928 99 75 . . . 39928 100 1 This this DT 39928 100 2 work work NN 39928 100 3 was be VBD 39928 100 4 so so RB 39928 100 5 well well RB 39928 100 6 written write VBN 39928 100 7 , , , 39928 100 8 and and CC 39928 100 9 the the DT 39928 100 10 subject subject NN 39928 100 11 proved prove VBD 39928 100 12 so so RB 39928 100 13 attractive attractive JJ 39928 100 14 , , , 39928 100 15 that that IN 39928 100 16 it -PRON- PRP 39928 100 17 was be VBD 39928 100 18 translated translate VBN 39928 100 19 into into IN 39928 100 20 all all PDT 39928 100 21 the the DT 39928 100 22 chief chief JJ 39928 100 23 European european JJ 39928 100 24 languages language NNS 39928 100 25 , , , 39928 100 26 while while IN 39928 100 27 the the DT 39928 100 28 astronomer astronomer NN 39928 100 29 Lalande Lalande NNP 39928 100 30 edited edit VBD 39928 100 31 one one CD 39928 100 32 of of IN 39928 100 33 the the DT 39928 100 34 French french JJ 39928 100 35 editions edition NNS 39928 100 36 . . . 39928 101 1 Three three CD 39928 101 2 English english JJ 39928 101 3 translations translation NNS 39928 101 4 were be VBD 39928 101 5 published publish VBN 39928 101 6 , , , 39928 101 7 and and CC 39928 101 8 one one CD 39928 101 9 of of IN 39928 101 10 these these DT 39928 101 11 went go VBD 39928 101 12 through through IN 39928 101 13 six six CD 39928 101 14 editions edition NNS 39928 101 15 down down RB 39928 101 16 to to IN 39928 101 17 the the DT 39928 101 18 year year NN 39928 101 19 1737 1737 CD 39928 101 20 . . . 39928 102 1 The the DT 39928 102 2 influence influence NN 39928 102 3 of of IN 39928 102 4 this this DT 39928 102 5 work work NN 39928 102 6 was be VBD 39928 102 7 very very RB 39928 102 8 great great JJ 39928 102 9 and and CC 39928 102 10 no no RB 39928 102 11 doubt doubt RB 39928 102 12 led lead VBN 39928 102 13 to to IN 39928 102 14 that that DT 39928 102 15 general general JJ 39928 102 16 acceptance acceptance NN 39928 102 17 of of IN 39928 102 18 the the DT 39928 102 19 theory theory NN 39928 102 20 by by IN 39928 102 21 such such JJ 39928 102 22 men man NNS 39928 102 23 as as IN 39928 102 24 Sir Sir NNP 39928 102 25 William William NNP 39928 102 26 Herschel Herschel NNP 39928 102 27 , , , 39928 102 28 Sir Sir NNP 39928 102 29 John John NNP 39928 102 30 Herschel Herschel NNP 39928 102 31 , , , 39928 102 32 Dr. Dr. NNP 39928 102 33 Chalmers Chalmers NNP 39928 102 34 , , , 39928 102 35 Dr. Dr. NNP 39928 102 36 Dick Dick NNP 39928 102 37 , , , 39928 102 38 Dr. Dr. NNP 39928 102 39 Isaac Isaac NNP 39928 102 40 Taylor Taylor NNP 39928 102 41 , , , 39928 102 42 and and CC 39928 102 43 M. M. NNP 39928 102 44 Arago Arago NNP 39928 102 45 , , , 39928 102 46 although although IN 39928 102 47 it -PRON- PRP 39928 102 48 was be VBD 39928 102 49 wholly wholly RB 39928 102 50 founded found VBN 39928 102 51 on on IN 39928 102 52 pure pure JJ 39928 102 53 speculation speculation NN 39928 102 54 , , , 39928 102 55 and and CC 39928 102 56 there there EX 39928 102 57 was be VBD 39928 102 58 nothing nothing NN 39928 102 59 that that WDT 39928 102 60 could could MD 39928 102 61 be be VB 39928 102 62 called call VBN 39928 102 63 evidence evidence NN 39928 102 64 on on IN 39928 102 65 one one CD 39928 102 66 side side NN 39928 102 67 or or CC 39928 102 68 the the DT 39928 102 69 other other JJ 39928 102 70 . . . 39928 103 1 This this DT 39928 103 2 was be VBD 39928 103 3 the the DT 39928 103 4 state state NN 39928 103 5 of of IN 39928 103 6 public public JJ 39928 103 7 opinion opinion NN 39928 103 8 when when WRB 39928 103 9 an an DT 39928 103 10 anonymous anonymous JJ 39928 103 11 work work NN 39928 103 12 appeared appear VBD 39928 103 13 ( ( -LRB- 39928 103 14 in in IN 39928 103 15 1853 1853 CD 39928 103 16 ) ) -RRB- 39928 103 17 under under IN 39928 103 18 the the DT 39928 103 19 somewhat somewhat RB 39928 103 20 misleading misleading JJ 39928 103 21 title title NN 39928 103 22 of of IN 39928 103 23 _ _ NNP 39928 103 24 The the DT 39928 103 25 Plurality Plurality NNP 39928 103 26 of of IN 39928 103 27 Worlds Worlds NNP 39928 103 28 : : : 39928 103 29 An an DT 39928 103 30 Essay Essay NNP 39928 103 31 _ _ NNP 39928 103 32 . . . 39928 104 1 This this DT 39928 104 2 was be VBD 39928 104 3 written write VBN 39928 104 4 , , , 39928 104 5 as as IN 39928 104 6 already already RB 39928 104 7 stated state VBN 39928 104 8 , , , 39928 104 9 by by IN 39928 104 10 Dr. Dr. NNP 39928 104 11 Whewell Whewell NNP 39928 104 12 , , , 39928 104 13 who who WP 39928 104 14 , , , 39928 104 15 for for IN 39928 104 16 the the DT 39928 104 17 first first JJ 39928 104 18 time time NN 39928 104 19 , , , 39928 104 20 ventured venture VBD 39928 104 21 to to TO 39928 104 22 doubt doubt VB 39928 104 23 the the DT 39928 104 24 generally generally RB 39928 104 25 accepted accept VBN 39928 104 26 theory theory NN 39928 104 27 , , , 39928 104 28 and and CC 39928 104 29 showed show VBD 39928 104 30 that that IN 39928 104 31 all all PDT 39928 104 32 the the DT 39928 104 33 evidence evidence NN 39928 104 34 at at IN 39928 104 35 our -PRON- PRP$ 39928 104 36 command command NN 39928 104 37 led lead VBD 39928 104 38 to to IN 39928 104 39 the the DT 39928 104 40 conclusion conclusion NN 39928 104 41 that that IN 39928 104 42 some some DT 39928 104 43 of of IN 39928 104 44 the the DT 39928 104 45 planets planet NNS 39928 104 46 were be VBD 39928 104 47 _ _ NNP 39928 104 48 certainly certainly RB 39928 104 49 _ _ NNP 39928 104 50 not not RB 39928 104 51 habitable habitable JJ 39928 104 52 , , , 39928 104 53 that that IN 39928 104 54 others other NNS 39928 104 55 were be VBD 39928 104 56 _ _ NNP 39928 104 57 probably probably RB 39928 104 58 _ _ NNP 39928 104 59 not not RB 39928 104 60 so so RB 39928 104 61 , , , 39928 104 62 while while IN 39928 104 63 in in IN 39928 104 64 none none NN 39928 104 65 was be VBD 39928 104 66 there there RB 39928 104 67 that that DT 39928 104 68 close close JJ 39928 104 69 correspondence correspondence NN 39928 104 70 with with IN 39928 104 71 terrestrial terrestrial JJ 39928 104 72 conditions condition NNS 39928 104 73 which which WDT 39928 104 74 seemed seem VBD 39928 104 75 essential essential JJ 39928 104 76 for for IN 39928 104 77 their -PRON- PRP$ 39928 104 78 habitability habitability NN 39928 104 79 by by IN 39928 104 80 the the DT 39928 104 81 higher high JJR 39928 104 82 animals animal NNS 39928 104 83 or or CC 39928 104 84 by by IN 39928 104 85 man man NN 39928 104 86 . . . 39928 105 1 The the DT 39928 105 2 book book NN 39928 105 3 was be VBD 39928 105 4 ably ably RB 39928 105 5 written write VBN 39928 105 6 and and CC 39928 105 7 showed show VBD 39928 105 8 considerable considerable JJ 39928 105 9 knowledge knowledge NN 39928 105 10 of of IN 39928 105 11 the the DT 39928 105 12 science science NN 39928 105 13 of of IN 39928 105 14 the the DT 39928 105 15 time time NN 39928 105 16 , , , 39928 105 17 but but CC 39928 105 18 it -PRON- PRP 39928 105 19 was be VBD 39928 105 20 very very RB 39928 105 21 diffuse diffuse NN 39928 105 22 , , , 39928 105 23 and and CC 39928 105 24 the the DT 39928 105 25 larger large JJR 39928 105 26 part part NN 39928 105 27 of of IN 39928 105 28 it -PRON- PRP 39928 105 29 was be VBD 39928 105 30 devoted devoted JJ 39928 105 31 to to IN 39928 105 32 showing show VBG 39928 105 33 that that IN 39928 105 34 his -PRON- PRP$ 39928 105 35 views view NNS 39928 105 36 were be VBD 39928 105 37 not not RB 39928 105 38 in in IN 39928 105 39 any any DT 39928 105 40 way way NN 39928 105 41 opposed oppose VBN 39928 105 42 to to IN 39928 105 43 religion religion NN 39928 105 44 . . . 39928 106 1 One one CD 39928 106 2 of of IN 39928 106 3 his -PRON- PRP$ 39928 106 4 best good JJS 39928 106 5 arguments argument NNS 39928 106 6 was be VBD 39928 106 7 founded found VBN 39928 106 8 on on IN 39928 106 9 the the DT 39928 106 10 proposition proposition NN 39928 106 11 that that IN 39928 106 12 ' ' `` 39928 106 13 _ _ NNP 39928 106 14 the the DT 39928 106 15 Earth Earth NNP 39928 106 16 's 's POS 39928 106 17 Orbit Orbit NNP 39928 106 18 is be VBZ 39928 106 19 the the DT 39928 106 20 Temperate Temperate NNP 39928 106 21 Zone Zone NNP 39928 106 22 of of IN 39928 106 23 the the DT 39928 106 24 Solar Solar NNP 39928 106 25 System System NNP 39928 106 26 _ _ NNP 39928 106 27 , , , 39928 106 28 ' ' '' 39928 106 29 that that IN 39928 106 30 there there EX 39928 106 31 only only RB 39928 106 32 is be VBZ 39928 106 33 it -PRON- PRP 39928 106 34 possible possible JJ 39928 106 35 to to TO 39928 106 36 have have VB 39928 106 37 those those DT 39928 106 38 moderate moderate JJ 39928 106 39 variations variation NNS 39928 106 40 of of IN 39928 106 41 heat heat NN 39928 106 42 and and CC 39928 106 43 cold cold JJ 39928 106 44 , , , 39928 106 45 dryness dryness NN 39928 106 46 and and CC 39928 106 47 moisture moisture NN 39928 106 48 , , , 39928 106 49 which which WDT 39928 106 50 are be VBP 39928 106 51 suitable suitable JJ 39928 106 52 for for IN 39928 106 53 animal animal NN 39928 106 54 life life NN 39928 106 55 . . . 39928 107 1 He -PRON- PRP 39928 107 2 suggested suggest VBD 39928 107 3 that that IN 39928 107 4 the the DT 39928 107 5 outer outer JJ 39928 107 6 planets planet NNS 39928 107 7 of of IN 39928 107 8 the the DT 39928 107 9 system system NN 39928 107 10 consisted consist VBD 39928 107 11 mainly mainly RB 39928 107 12 of of IN 39928 107 13 water water NN 39928 107 14 , , , 39928 107 15 gases gas NNS 39928 107 16 , , , 39928 107 17 and and CC 39928 107 18 vapour vapour RB 39928 107 19 , , , 39928 107 20 as as IN 39928 107 21 indicated indicate VBN 39928 107 22 by by IN 39928 107 23 their -PRON- PRP$ 39928 107 24 low low JJ 39928 107 25 specific specific JJ 39928 107 26 gravity gravity NN 39928 107 27 , , , 39928 107 28 and and CC 39928 107 29 were be VBD 39928 107 30 therefore therefore RB 39928 107 31 quite quite RB 39928 107 32 unsuitable unsuitable JJ 39928 107 33 for for IN 39928 107 34 terrestrial terrestrial JJ 39928 107 35 life life NN 39928 107 36 ; ; : 39928 107 37 while while IN 39928 107 38 those those DT 39928 107 39 near near IN 39928 107 40 the the DT 39928 107 41 sun sun NN 39928 107 42 were be VBD 39928 107 43 equally equally RB 39928 107 44 unsuited unsuited JJ 39928 107 45 , , , 39928 107 46 because because IN 39928 107 47 , , , 39928 107 48 owing owe VBG 39928 107 49 to to IN 39928 107 50 the the DT 39928 107 51 great great JJ 39928 107 52 amount amount NN 39928 107 53 of of IN 39928 107 54 solar solar JJ 39928 107 55 heat heat NN 39928 107 56 , , , 39928 107 57 water water NN 39928 107 58 could could MD 39928 107 59 not not RB 39928 107 60 exist exist VB 39928 107 61 on on IN 39928 107 62 their -PRON- PRP$ 39928 107 63 surfaces surface NNS 39928 107 64 . . . 39928 108 1 He -PRON- PRP 39928 108 2 devotes devote VBZ 39928 108 3 a a DT 39928 108 4 great great JJ 39928 108 5 deal deal NN 39928 108 6 of of IN 39928 108 7 space space NN 39928 108 8 to to IN 39928 108 9 the the DT 39928 108 10 evidence evidence NN 39928 108 11 that that IN 39928 108 12 there there EX 39928 108 13 is be VBZ 39928 108 14 no no DT 39928 108 15 animal animal NN 39928 108 16 life life NN 39928 108 17 on on IN 39928 108 18 the the DT 39928 108 19 moon moon NN 39928 108 20 , , , 39928 108 21 and and CC 39928 108 22 taking take VBG 39928 108 23 this this DT 39928 108 24 as as IN 39928 108 25 proved prove VBN 39928 108 26 , , , 39928 108 27 he -PRON- PRP 39928 108 28 uses use VBZ 39928 108 29 it -PRON- PRP 39928 108 30 as as IN 39928 108 31 a a DT 39928 108 32 counter counter JJ 39928 108 33 argument argument NN 39928 108 34 against against IN 39928 108 35 the the DT 39928 108 36 other other JJ 39928 108 37 side side NN 39928 108 38 . . . 39928 109 1 They -PRON- PRP 39928 109 2 always always RB 39928 109 3 urge urge VBP 39928 109 4 that that IN 39928 109 5 , , , 39928 109 6 the the DT 39928 109 7 earth earth NN 39928 109 8 being be VBG 39928 109 9 inhabited inhabit VBN 39928 109 10 , , , 39928 109 11 we -PRON- PRP 39928 109 12 must must MD 39928 109 13 suppose suppose VB 39928 109 14 the the DT 39928 109 15 other other JJ 39928 109 16 planets planet NNS 39928 109 17 to to TO 39928 109 18 be be VB 39928 109 19 so so RB 39928 109 20 too too RB 39928 109 21 ; ; : 39928 109 22 to to TO 39928 109 23 which which WDT 39928 109 24 he -PRON- PRP 39928 109 25 replies:--We replies:--We : 39928 109 26 know know VBP 39928 109 27 that that IN 39928 109 28 the the DT 39928 109 29 moon moon NN 39928 109 30 is be VBZ 39928 109 31 not not RB 39928 109 32 inhabited inhabit VBN 39928 109 33 though though IN 39928 109 34 it -PRON- PRP 39928 109 35 has have VBZ 39928 109 36 all all PDT 39928 109 37 the the DT 39928 109 38 advantage advantage NN 39928 109 39 of of IN 39928 109 40 proximity proximity NN 39928 109 41 to to IN 39928 109 42 the the DT 39928 109 43 sun sun NN 39928 109 44 that that IN 39928 109 45 the the DT 39928 109 46 earth earth NN 39928 109 47 has have VBZ 39928 109 48 ; ; : 39928 109 49 why why WRB 39928 109 50 then then RB 39928 109 51 should should MD 39928 109 52 not not RB 39928 109 53 other other JJ 39928 109 54 planets planet NNS 39928 109 55 be be VB 39928 109 56 equally equally RB 39928 109 57 uninhabited uninhabited JJ 39928 109 58 ? ? . 39928 110 1 He -PRON- PRP 39928 110 2 then then RB 39928 110 3 comes come VBZ 39928 110 4 to to IN 39928 110 5 Mars Mars NNP 39928 110 6 and and CC 39928 110 7 admits admit VBZ 39928 110 8 that that IN 39928 110 9 this this DT 39928 110 10 planet planet NN 39928 110 11 is be VBZ 39928 110 12 very very RB 39928 110 13 like like IN 39928 110 14 the the DT 39928 110 15 earth earth NN 39928 110 16 so so RB 39928 110 17 far far RB 39928 110 18 as as IN 39928 110 19 we -PRON- PRP 39928 110 20 can can MD 39928 110 21 judge judge VB 39928 110 22 , , , 39928 110 23 and and CC 39928 110 24 that that IN 39928 110 25 it -PRON- PRP 39928 110 26 may may MD 39928 110 27 therefore therefore RB 39928 110 28 be be VB 39928 110 29 inhabited inhabit VBN 39928 110 30 , , , 39928 110 31 or or CC 39928 110 32 as as IN 39928 110 33 the the DT 39928 110 34 author author NN 39928 110 35 expresses express VBZ 39928 110 36 it -PRON- PRP 39928 110 37 , , , 39928 110 38 ' ' '' 39928 110 39 may may MD 39928 110 40 have have VB 39928 110 41 been be VBN 39928 110 42 judged judge VBN 39928 110 43 worthy worthy JJ 39928 110 44 of of IN 39928 110 45 inhabitants inhabitant NNS 39928 110 46 by by IN 39928 110 47 its -PRON- PRP$ 39928 110 48 Maker Maker NNP 39928 110 49 . . . 39928 110 50 ' ' '' 39928 111 1 But but CC 39928 111 2 he -PRON- PRP 39928 111 3 urges urge VBZ 39928 111 4 the the DT 39928 111 5 small small JJ 39928 111 6 size size NN 39928 111 7 of of IN 39928 111 8 Mars Mars NNP 39928 111 9 , , , 39928 111 10 its -PRON- PRP$ 39928 111 11 coldness coldness NN 39928 111 12 owing owing NN 39928 111 13 to to IN 39928 111 14 distance distance NN 39928 111 15 from from IN 39928 111 16 the the DT 39928 111 17 sun sun NN 39928 111 18 , , , 39928 111 19 and and CC 39928 111 20 that that IN 39928 111 21 the the DT 39928 111 22 annual annual JJ 39928 111 23 melting melting NN 39928 111 24 of of IN 39928 111 25 its -PRON- PRP$ 39928 111 26 polar polar JJ 39928 111 27 ice ice NN 39928 111 28 - - HYPH 39928 111 29 caps cap NNS 39928 111 30 will will MD 39928 111 31 keep keep VB 39928 111 32 it -PRON- PRP 39928 111 33 cold cold JJ 39928 111 34 all all RB 39928 111 35 through through IN 39928 111 36 the the DT 39928 111 37 summer summer NN 39928 111 38 . . . 39928 112 1 If if IN 39928 112 2 there there EX 39928 112 3 are be VBP 39928 112 4 animals animal NNS 39928 112 5 they -PRON- PRP 39928 112 6 are be VBP 39928 112 7 probably probably RB 39928 112 8 of of IN 39928 112 9 a a DT 39928 112 10 low low JJ 39928 112 11 type type NN 39928 112 12 like like IN 39928 112 13 the the DT 39928 112 14 saurians saurians NNPS 39928 112 15 and and CC 39928 112 16 iguanodons iguanodon NNS 39928 112 17 of of IN 39928 112 18 our -PRON- PRP$ 39928 112 19 seas sea NNS 39928 112 20 during during IN 39928 112 21 the the DT 39928 112 22 Wealden Wealden NNP 39928 112 23 epoch epoch NN 39928 112 24 ; ; : 39928 112 25 but but CC 39928 112 26 , , , 39928 112 27 he -PRON- PRP 39928 112 28 argues argue VBZ 39928 112 29 , , , 39928 112 30 as as RB 39928 112 31 even even RB 39928 112 32 on on IN 39928 112 33 our -PRON- PRP$ 39928 112 34 earth earth NN 39928 112 35 the the DT 39928 112 36 long long JJ 39928 112 37 process process NN 39928 112 38 of of IN 39928 112 39 preparation preparation NN 39928 112 40 for for IN 39928 112 41 man man NN 39928 112 42 was be VBD 39928 112 43 carried carry VBN 39928 112 44 on on RP 39928 112 45 for for IN 39928 112 46 countless countless JJ 39928 112 47 millions million NNS 39928 112 48 of of IN 39928 112 49 years year NNS 39928 112 50 , , , 39928 112 51 we -PRON- PRP 39928 112 52 need need VBP 39928 112 53 not not RB 39928 112 54 discuss discuss VB 39928 112 55 whether whether IN 39928 112 56 there there EX 39928 112 57 are be VBP 39928 112 58 intelligent intelligent JJ 39928 112 59 beings being NNS 39928 112 60 on on IN 39928 112 61 Mars Mars NNP 39928 112 62 till till IN 39928 112 63 we -PRON- PRP 39928 112 64 have have VBP 39928 112 65 some some DT 39928 112 66 better well JJR 39928 112 67 evidence evidence NN 39928 112 68 that that IN 39928 112 69 there there EX 39928 112 70 are be VBP 39928 112 71 any any DT 39928 112 72 living living NN 39928 112 73 creatures creature NNS 39928 112 74 at at RB 39928 112 75 all all RB 39928 112 76 . . . 39928 113 1 Several several JJ 39928 113 2 of of IN 39928 113 3 the the DT 39928 113 4 early early JJ 39928 113 5 chapters chapter NNS 39928 113 6 are be VBP 39928 113 7 devoted devoted JJ 39928 113 8 to to IN 39928 113 9 an an DT 39928 113 10 attempt attempt NN 39928 113 11 to to TO 39928 113 12 minimise minimise VB 39928 113 13 the the DT 39928 113 14 difficulties difficulty NNS 39928 113 15 of of IN 39928 113 16 those those DT 39928 113 17 religious religious JJ 39928 113 18 persons person NNS 39928 113 19 who who WP 39928 113 20 feel feel VBP 39928 113 21 oppressed oppress VBN 39928 113 22 by by IN 39928 113 23 the the DT 39928 113 24 immensity immensity NN 39928 113 25 and and CC 39928 113 26 complexity complexity NN 39928 113 27 of of IN 39928 113 28 the the DT 39928 113 29 material material JJ 39928 113 30 universe universe NN 39928 113 31 as as IN 39928 113 32 revealed reveal VBN 39928 113 33 by by IN 39928 113 34 modern modern JJ 39928 113 35 astronomy astronomy NN 39928 113 36 ; ; , 39928 113 37 and and CC 39928 113 38 by by IN 39928 113 39 the the DT 39928 113 40 almost almost RB 39928 113 41 infinite infinite JJ 39928 113 42 insignificance insignificance NN 39928 113 43 of of IN 39928 113 44 man man NN 39928 113 45 and and CC 39928 113 46 his -PRON- PRP$ 39928 113 47 dwelling dwelling NN 39928 113 48 - - HYPH 39928 113 49 place place NN 39928 113 50 , , , 39928 113 51 the the DT 39928 113 52 earth earth NN 39928 113 53 , , , 39928 113 54 in in IN 39928 113 55 comparison comparison NN 39928 113 56 with with IN 39928 113 57 it -PRON- PRP 39928 113 58 , , , 39928 113 59 an an DT 39928 113 60 insignificance insignificance NN 39928 113 61 vastly vastly RB 39928 113 62 increased increase VBD 39928 113 63 if if IN 39928 113 64 not not RB 39928 113 65 only only RB 39928 113 66 the the DT 39928 113 67 planets planet NNS 39928 113 68 of of IN 39928 113 69 the the DT 39928 113 70 solar solar JJ 39928 113 71 system system NN 39928 113 72 , , , 39928 113 73 but but CC 39928 113 74 also also RB 39928 113 75 those those DT 39928 113 76 which which WDT 39928 113 77 circle circle VBP 39928 113 78 around around IN 39928 113 79 the the DT 39928 113 80 myriads myriad NNS 39928 113 81 of of IN 39928 113 82 suns sun NNS 39928 113 83 , , , 39928 113 84 are be VBP 39928 113 85 also also RB 39928 113 86 theatres theatre NNS 39928 113 87 of of IN 39928 113 88 life life NN 39928 113 89 . . . 39928 114 1 And and CC 39928 114 2 these these DT 39928 114 3 persons person NNS 39928 114 4 are be VBP 39928 114 5 further far RBR 39928 114 6 disquieted disquiet VBN 39928 114 7 because because IN 39928 114 8 the the DT 39928 114 9 very very RB 39928 114 10 same same JJ 39928 114 11 facts fact NNS 39928 114 12 are be VBP 39928 114 13 used use VBN 39928 114 14 by by IN 39928 114 15 sceptics sceptic NNS 39928 114 16 of of IN 39928 114 17 various various JJ 39928 114 18 kinds kind NNS 39928 114 19 in in IN 39928 114 20 their -PRON- PRP$ 39928 114 21 attacks attack NNS 39928 114 22 upon upon IN 39928 114 23 Christianity Christianity NNP 39928 114 24 . . . 39928 115 1 Such such JJ 39928 115 2 writers writer NNS 39928 115 3 point point VBP 39928 115 4 out out RP 39928 115 5 the the DT 39928 115 6 irrationality irrationality NN 39928 115 7 and and CC 39928 115 8 absurdity absurdity NN 39928 115 9 of of IN 39928 115 10 supposing suppose VBG 39928 115 11 that that IN 39928 115 12 the the DT 39928 115 13 Creator Creator NNP 39928 115 14 of of IN 39928 115 15 all all PDT 39928 115 16 this this DT 39928 115 17 unimaginable unimaginable JJ 39928 115 18 vastness vastness NN 39928 115 19 of of IN 39928 115 20 suns sun NNS 39928 115 21 and and CC 39928 115 22 systems system NNS 39928 115 23 , , , 39928 115 24 filling fill VBG 39928 115 25 for for IN 39928 115 26 all all DT 39928 115 27 we -PRON- PRP 39928 115 28 know know VBP 39928 115 29 endless endless JJ 39928 115 30 space space NN 39928 115 31 , , , 39928 115 32 should should MD 39928 115 33 take take VB 39928 115 34 any any DT 39928 115 35 _ _ NNP 39928 115 36 special special JJ 39928 115 37 _ _ NNP 39928 115 38 interest interest NN 39928 115 39 in in IN 39928 115 40 so so RB 39928 115 41 mean mean JJ 39928 115 42 and and CC 39928 115 43 pitiful pitiful VBP 39928 115 44 a a DT 39928 115 45 creature creature NN 39928 115 46 as as IN 39928 115 47 man man NN 39928 115 48 , , , 39928 115 49 the the DT 39928 115 50 imperfectly imperfectly RB 39928 115 51 developed develop VBN 39928 115 52 inhabitant inhabitant NN 39928 115 53 of of IN 39928 115 54 one one CD 39928 115 55 of of IN 39928 115 56 the the DT 39928 115 57 smaller small JJR 39928 115 58 worlds world NNS 39928 115 59 attached attach VBN 39928 115 60 to to IN 39928 115 61 a a DT 39928 115 62 second second JJ 39928 115 63 or or CC 39928 115 64 third third JJ 39928 115 65 - - HYPH 39928 115 66 rate rate NN 39928 115 67 sun sun NN 39928 115 68 , , , 39928 115 69 a a DT 39928 115 70 being be VBG 39928 115 71 whose whose WP$ 39928 115 72 whole whole JJ 39928 115 73 history history NN 39928 115 74 is be VBZ 39928 115 75 one one CD 39928 115 76 of of IN 39928 115 77 war war NN 39928 115 78 and and CC 39928 115 79 bloodshed bloodshed NN 39928 115 80 , , , 39928 115 81 of of IN 39928 115 82 tyranny tyranny NN 39928 115 83 , , , 39928 115 84 torture torture NN 39928 115 85 , , , 39928 115 86 and and CC 39928 115 87 death death NN 39928 115 88 ; ; : 39928 115 89 whose whose WP$ 39928 115 90 awful awful JJ 39928 115 91 record record NN 39928 115 92 is be VBZ 39928 115 93 pictured picture VBN 39928 115 94 by by IN 39928 115 95 himself -PRON- PRP 39928 115 96 in in IN 39928 115 97 such such JJ 39928 115 98 books book NNS 39928 115 99 as as IN 39928 115 100 Josephus Josephus NNP 39928 115 101 ' ' POS 39928 115 102 _ _ NNP 39928 115 103 History history NN 39928 115 104 of of IN 39928 115 105 the the DT 39928 115 106 Jews Jews NNPS 39928 115 107 _ _ NNP 39928 115 108 , , , 39928 115 109 the the DT 39928 115 110 _ _ NNP 39928 115 111 Decline Decline NNP 39928 115 112 and and CC 39928 115 113 Fall Fall NNP 39928 115 114 of of IN 39928 115 115 the the DT 39928 115 116 Roman Roman NNP 39928 115 117 Empire Empire NNP 39928 115 118 _ _ NNP 39928 115 119 , , , 39928 115 120 and and CC 39928 115 121 even even RB 39928 115 122 more more RBR 39928 115 123 forcibly forcibly RB 39928 115 124 summarised summarised JJ 39928 115 125 in in IN 39928 115 126 that that DT 39928 115 127 terrible terrible JJ 39928 115 128 picture picture NN 39928 115 129 of of IN 39928 115 130 human human JJ 39928 115 131 fiendishness fiendishness NN 39928 115 132 and and CC 39928 115 133 misery misery NN 39928 115 134 , , , 39928 115 135 _ _ NNP 39928 115 136 The the DT 39928 115 137 Martyrdom Martyrdom NNP 39928 115 138 of of IN 39928 115 139 Man Man NNP 39928 115 140 _ _ NNP 39928 115 141 ; ; : 39928 115 142 while while IN 39928 115 143 their -PRON- PRP$ 39928 115 144 character character NN 39928 115 145 is be VBZ 39928 115 146 indicated indicate VBN 39928 115 147 by by IN 39928 115 148 one one CD 39928 115 149 of of IN 39928 115 150 the the DT 39928 115 151 kindest kindest NN 39928 115 152 and and CC 39928 115 153 simplest simple JJS 39928 115 154 of of IN 39928 115 155 their -PRON- PRP$ 39928 115 156 poets poet NNS 39928 115 157 in in IN 39928 115 158 the the DT 39928 115 159 restrained restrained JJ 39928 115 160 but but CC 39928 115 161 expressive expressive JJ 39928 115 162 lines:-- lines:-- ADD 39928 115 163 ' ' '' 39928 115 164 Man man NN 39928 115 165 's 's POS 39928 115 166 inhumanity inhumanity NN 39928 115 167 to to TO 39928 115 168 man man VB 39928 115 169 Makes make VBZ 39928 115 170 countless countless JJ 39928 115 171 thousands thousand NNS 39928 115 172 mourn mourn NN 39928 115 173 . . . 39928 115 174 ' ' '' 39928 116 1 It -PRON- PRP 39928 116 2 is be VBZ 39928 116 3 for for IN 39928 116 4 such such PDT 39928 116 5 a a DT 39928 116 6 being being NN 39928 116 7 as as IN 39928 116 8 this this DT 39928 116 9 , , , 39928 116 10 they -PRON- PRP 39928 116 11 say say VBP 39928 116 12 , , , 39928 116 13 that that IN 39928 116 14 God God NNP 39928 116 15 should should MD 39928 116 16 have have VB 39928 116 17 specially specially RB 39928 116 18 revealed reveal VBN 39928 116 19 His -PRON- PRP$ 39928 116 20 will will MD 39928 116 21 some some DT 39928 116 22 thousands thousand NNS 39928 116 23 of of IN 39928 116 24 years year NNS 39928 116 25 ago ago RB 39928 116 26 , , , 39928 116 27 and and CC 39928 116 28 finding find VBG 39928 116 29 that that IN 39928 116 30 His -PRON- PRP$ 39928 116 31 commands command NNS 39928 116 32 were be VBD 39928 116 33 not not RB 39928 116 34 obeyed obeyed JJ 39928 116 35 , , , 39928 116 36 His -PRON- PRP$ 39928 116 37 will will MD 39928 116 38 not not RB 39928 116 39 fulfilled fulfil VBN 39928 116 40 , , , 39928 116 41 yet yet CC 39928 116 42 ordained ordain VBN 39928 116 43 for for IN 39928 116 44 their -PRON- PRP$ 39928 116 45 benefit benefit NN 39928 116 46 the the DT 39928 116 47 necessarily necessarily RB 39928 116 48 unique unique JJ 39928 116 49 sacrifice sacrifice NN 39928 116 50 of of IN 39928 116 51 His -PRON- PRP$ 39928 116 52 Son Son NNP 39928 116 53 , , , 39928 116 54 in in IN 39928 116 55 order order NN 39928 116 56 to to TO 39928 116 57 save save VB 39928 116 58 a a DT 39928 116 59 small small JJ 39928 116 60 portion portion NN 39928 116 61 of of IN 39928 116 62 these these DT 39928 116 63 ' ' `` 39928 116 64 miserable miserable JJ 39928 116 65 sinners sinner NNS 39928 116 66 ' ' '' 39928 116 67 from from IN 39928 116 68 the the DT 39928 116 69 natural natural JJ 39928 116 70 and and CC 39928 116 71 well well RB 39928 116 72 - - HYPH 39928 116 73 deserved deserve VBN 39928 116 74 consequence consequence NN 39928 116 75 of of IN 39928 116 76 their -PRON- PRP$ 39928 116 77 stupendous stupendous JJ 39928 116 78 follies folly NNS 39928 116 79 , , , 39928 116 80 their -PRON- PRP$ 39928 116 81 unimaginable unimaginable JJ 39928 116 82 crimes crime NNS 39928 116 83 ? ? . 39928 117 1 Such such PDT 39928 117 2 a a DT 39928 117 3 belief belief NN 39928 117 4 they -PRON- PRP 39928 117 5 maintain maintain VBP 39928 117 6 is be VBZ 39928 117 7 too too RB 39928 117 8 absurd absurd JJ 39928 117 9 , , , 39928 117 10 too too RB 39928 117 11 incredible incredible JJ 39928 117 12 , , , 39928 117 13 to to TO 39928 117 14 be be VB 39928 117 15 held hold VBN 39928 117 16 by by IN 39928 117 17 any any DT 39928 117 18 rational rational JJ 39928 117 19 being being NN 39928 117 20 , , , 39928 117 21 and and CC 39928 117 22 it -PRON- PRP 39928 117 23 becomes become VBZ 39928 117 24 even even RB 39928 117 25 less less RBR 39928 117 26 credible credible JJ 39928 117 27 and and CC 39928 117 28 less less RBR 39928 117 29 rational rational JJ 39928 117 30 if if IN 39928 117 31 we -PRON- PRP 39928 117 32 maintain maintain VBP 39928 117 33 that that IN 39928 117 34 there there EX 39928 117 35 are be VBP 39928 117 36 countless countless JJ 39928 117 37 other other JJ 39928 117 38 inhabited inhabited JJ 39928 117 39 worlds world NNS 39928 117 40 . . . 39928 118 1 It -PRON- PRP 39928 118 2 is be VBZ 39928 118 3 very very RB 39928 118 4 difficult difficult JJ 39928 118 5 for for IN 39928 118 6 the the DT 39928 118 7 religious religious JJ 39928 118 8 man man NN 39928 118 9 to to TO 39928 118 10 make make VB 39928 118 11 any any DT 39928 118 12 adequate adequate JJ 39928 118 13 reply reply NN 39928 118 14 to to IN 39928 118 15 such such PDT 39928 118 16 an an DT 39928 118 17 attack attack NN 39928 118 18 as as IN 39928 118 19 this this DT 39928 118 20 , , , 39928 118 21 and and CC 39928 118 22 as as IN 39928 118 23 a a DT 39928 118 24 result result NN 39928 118 25 many many JJ 39928 118 26 have have VBP 39928 118 27 felt feel VBN 39928 118 28 their -PRON- PRP$ 39928 118 29 position position NN 39928 118 30 to to TO 39928 118 31 be be VB 39928 118 32 untenable untenable JJ 39928 118 33 and and CC 39928 118 34 have have VBP 39928 118 35 accordingly accordingly RB 39928 118 36 lost lose VBN 39928 118 37 all all DT 39928 118 38 faith faith NN 39928 118 39 in in IN 39928 118 40 the the DT 39928 118 41 special special JJ 39928 118 42 dogmas dogmas NN 39928 118 43 of of IN 39928 118 44 orthodox orthodox NNP 39928 118 45 Christianity Christianity NNP 39928 118 46 . . . 39928 119 1 They -PRON- PRP 39928 119 2 feel feel VBP 39928 119 3 themselves -PRON- PRP 39928 119 4 really really RB 39928 119 5 to to TO 39928 119 6 be be VB 39928 119 7 between between IN 39928 119 8 the the DT 39928 119 9 horns horn NNS 39928 119 10 of of IN 39928 119 11 a a DT 39928 119 12 dilemma dilemma NN 39928 119 13 . . . 39928 120 1 If if IN 39928 120 2 there there EX 39928 120 3 are be VBP 39928 120 4 myriads myriad NNS 39928 120 5 of of IN 39928 120 6 other other JJ 39928 120 7 worlds world NNS 39928 120 8 , , , 39928 120 9 it -PRON- PRP 39928 120 10 seems seem VBZ 39928 120 11 incredible incredible JJ 39928 120 12 that that IN 39928 120 13 they -PRON- PRP 39928 120 14 should should MD 39928 120 15 each each RB 39928 120 16 be be VB 39928 120 17 the the DT 39928 120 18 object object NN 39928 120 19 of of IN 39928 120 20 a a DT 39928 120 21 special special JJ 39928 120 22 revelation revelation NN 39928 120 23 and and CC 39928 120 24 a a DT 39928 120 25 special special JJ 39928 120 26 sacrifice sacrifice NN 39928 120 27 . . . 39928 121 1 If if IN 39928 121 2 , , , 39928 121 3 on on IN 39928 121 4 the the DT 39928 121 5 other other JJ 39928 121 6 hand hand NN 39928 121 7 , , , 39928 121 8 we -PRON- PRP 39928 121 9 are be VBP 39928 121 10 the the DT 39928 121 11 only only JJ 39928 121 12 intelligent intelligent JJ 39928 121 13 beings being NNS 39928 121 14 that that WDT 39928 121 15 exist exist VBP 39928 121 16 in in IN 39928 121 17 the the DT 39928 121 18 material material JJ 39928 121 19 universe universe NN 39928 121 20 , , , 39928 121 21 and and CC 39928 121 22 are be VBP 39928 121 23 really really RB 39928 121 24 the the DT 39928 121 25 highest high JJS 39928 121 26 creative creative JJ 39928 121 27 product product NN 39928 121 28 of of IN 39928 121 29 a a DT 39928 121 30 Being being NN 39928 121 31 of of IN 39928 121 32 infinite infinite JJ 39928 121 33 wisdom wisdom NN 39928 121 34 and and CC 39928 121 35 power power NN 39928 121 36 , , , 39928 121 37 they -PRON- PRP 39928 121 38 can can MD 39928 121 39 not not RB 39928 121 40 but but RB 39928 121 41 wonder wonder VB 39928 121 42 at at IN 39928 121 43 the the DT 39928 121 44 vast vast JJ 39928 121 45 apparent apparent JJ 39928 121 46 disproportion disproportion NN 39928 121 47 between between IN 39928 121 48 the the DT 39928 121 49 Creator Creator NNP 39928 121 50 and and CC 39928 121 51 the the DT 39928 121 52 created create VBN 39928 121 53 , , , 39928 121 54 and and CC 39928 121 55 are be VBP 39928 121 56 sometimes sometimes RB 39928 121 57 driven drive VBN 39928 121 58 to to IN 39928 121 59 Atheism Atheism NNP 39928 121 60 from from IN 39928 121 61 the the DT 39928 121 62 hopelessness hopelessness NN 39928 121 63 of of IN 39928 121 64 comprehending comprehend VBG 39928 121 65 so so RB 39928 121 66 mean mean JJ 39928 121 67 and and CC 39928 121 68 petty petty JJ 39928 121 69 a a DT 39928 121 70 result result NN 39928 121 71 as as IN 39928 121 72 the the DT 39928 121 73 sole sole JJ 39928 121 74 outcome outcome NN 39928 121 75 of of IN 39928 121 76 infinite infinite JJ 39928 121 77 power power NN 39928 121 78 . . . 39928 122 1 Whewell Whewell NNP 39928 122 2 tells tell VBZ 39928 122 3 us -PRON- PRP 39928 122 4 that that IN 39928 122 5 the the DT 39928 122 6 great great JJ 39928 122 7 preacher preacher NN 39928 122 8 , , , 39928 122 9 Dr. Dr. NNP 39928 122 10 Chalmers Chalmers NNP 39928 122 11 , , , 39928 122 12 in in IN 39928 122 13 his -PRON- PRP$ 39928 122 14 Astronomical Astronomical NNP 39928 122 15 Discourses Discourses NNP 39928 122 16 , , , 39928 122 17 attempted attempt VBD 39928 122 18 a a DT 39928 122 19 reply reply NN 39928 122 20 to to IN 39928 122 21 these these DT 39928 122 22 difficulties difficulty NNS 39928 122 23 , , , 39928 122 24 but but CC 39928 122 25 , , , 39928 122 26 in in IN 39928 122 27 his -PRON- PRP$ 39928 122 28 opinion opinion NN 39928 122 29 , , , 39928 122 30 not not RB 39928 122 31 a a DT 39928 122 32 very very RB 39928 122 33 successful successful JJ 39928 122 34 one one NN 39928 122 35 ; ; : 39928 122 36 and and CC 39928 122 37 a a DT 39928 122 38 large large JJ 39928 122 39 part part NN 39928 122 40 of of IN 39928 122 41 his -PRON- PRP$ 39928 122 42 own own JJ 39928 122 43 work work NN 39928 122 44 is be VBZ 39928 122 45 devoted devoted JJ 39928 122 46 to to IN 39928 122 47 the the DT 39928 122 48 same same JJ 39928 122 49 purpose purpose NN 39928 122 50 . . . 39928 123 1 His -PRON- PRP$ 39928 123 2 main main JJ 39928 123 3 point point NN 39928 123 4 seems seem VBZ 39928 123 5 to to TO 39928 123 6 be be VB 39928 123 7 that that IN 39928 123 8 we -PRON- PRP 39928 123 9 know know VBP 39928 123 10 too too RB 39928 123 11 little little JJ 39928 123 12 of of IN 39928 123 13 the the DT 39928 123 14 universe universe NN 39928 123 15 to to TO 39928 123 16 arrive arrive VB 39928 123 17 at at IN 39928 123 18 any any DT 39928 123 19 definite definite JJ 39928 123 20 conclusions conclusion NNS 39928 123 21 on on IN 39928 123 22 the the DT 39928 123 23 question question NN 39928 123 24 at at IN 39928 123 25 issue issue NN 39928 123 26 , , , 39928 123 27 and and CC 39928 123 28 that that IN 39928 123 29 any any DT 39928 123 30 ideas idea NNS 39928 123 31 that that WDT 39928 123 32 we -PRON- PRP 39928 123 33 may may MD 39928 123 34 have have VB 39928 123 35 as as IN 39928 123 36 to to IN 39928 123 37 the the DT 39928 123 38 purposes purpose NNS 39928 123 39 of of IN 39928 123 40 the the DT 39928 123 41 Creator Creator NNP 39928 123 42 in in IN 39928 123 43 forming form VBG 39928 123 44 the the DT 39928 123 45 vast vast JJ 39928 123 46 system system NN 39928 123 47 we -PRON- PRP 39928 123 48 see see VBP 39928 123 49 around around IN 39928 123 50 us -PRON- PRP 39928 123 51 are be VBP 39928 123 52 almost almost RB 39928 123 53 sure sure JJ 39928 123 54 to to TO 39928 123 55 be be VB 39928 123 56 erroneous erroneous JJ 39928 123 57 . . . 39928 124 1 We -PRON- PRP 39928 124 2 must must MD 39928 124 3 therefore therefore RB 39928 124 4 be be VB 39928 124 5 content content JJ 39928 124 6 to to TO 39928 124 7 remain remain VB 39928 124 8 ignorant ignorant JJ 39928 124 9 , , , 39928 124 10 and and CC 39928 124 11 must must MD 39928 124 12 rest rest VB 39928 124 13 satisfied satisfied JJ 39928 124 14 in in IN 39928 124 15 the the DT 39928 124 16 belief belief NN 39928 124 17 that that IN 39928 124 18 the the DT 39928 124 19 Creator Creator NNP 39928 124 20 had have VBD 39928 124 21 a a DT 39928 124 22 purpose purpose NN 39928 124 23 although although IN 39928 124 24 we -PRON- PRP 39928 124 25 are be VBP 39928 124 26 not not RB 39928 124 27 yet yet RB 39928 124 28 permitted permit VBN 39928 124 29 to to TO 39928 124 30 know know VB 39928 124 31 what what WP 39928 124 32 it -PRON- PRP 39928 124 33 was be VBD 39928 124 34 . . . 39928 125 1 And and CC 39928 125 2 to to IN 39928 125 3 those those DT 39928 125 4 who who WP 39928 125 5 urge urge VBP 39928 125 6 that that IN 39928 125 7 in in IN 39928 125 8 other other JJ 39928 125 9 worlds world NNS 39928 125 10 there there EX 39928 125 11 may may MD 39928 125 12 be be VB 39928 125 13 other other JJ 39928 125 14 laws law NNS 39928 125 15 of of IN 39928 125 16 nature nature NN 39928 125 17 which which WDT 39928 125 18 may may MD 39928 125 19 render render VB 39928 125 20 them -PRON- PRP 39928 125 21 quite quite RB 39928 125 22 as as IN 39928 125 23 habitable habitable JJ 39928 125 24 by by IN 39928 125 25 intelligent intelligent JJ 39928 125 26 beings being NNS 39928 125 27 as as IN 39928 125 28 our -PRON- PRP$ 39928 125 29 world world NN 39928 125 30 is be VBZ 39928 125 31 for for IN 39928 125 32 us -PRON- PRP 39928 125 33 , , , 39928 125 34 he -PRON- PRP 39928 125 35 replies reply VBZ 39928 125 36 , , , 39928 125 37 that that IN 39928 125 38 if if IN 39928 125 39 we -PRON- PRP 39928 125 40 are be VBP 39928 125 41 to to TO 39928 125 42 suppose suppose VB 39928 125 43 new new JJ 39928 125 44 laws law NNS 39928 125 45 of of IN 39928 125 46 nature nature NN 39928 125 47 in in IN 39928 125 48 order order NN 39928 125 49 to to TO 39928 125 50 render render VB 39928 125 51 each each DT 39928 125 52 planet planet NN 39928 125 53 habitable habitable JJ 39928 125 54 , , , 39928 125 55 there there EX 39928 125 56 is be VBZ 39928 125 57 an an DT 39928 125 58 end end NN 39928 125 59 of of IN 39928 125 60 all all DT 39928 125 61 rational rational JJ 39928 125 62 inquiry inquiry NN 39928 125 63 on on IN 39928 125 64 the the DT 39928 125 65 subject subject NN 39928 125 66 , , , 39928 125 67 and and CC 39928 125 68 we -PRON- PRP 39928 125 69 may may MD 39928 125 70 maintain maintain VB 39928 125 71 and and CC 39928 125 72 believe believe VB 39928 125 73 that that IN 39928 125 74 animals animal NNS 39928 125 75 may may MD 39928 125 76 live live VB 39928 125 77 on on IN 39928 125 78 the the DT 39928 125 79 moon moon NN 39928 125 80 without without IN 39928 125 81 air air NN 39928 125 82 or or CC 39928 125 83 water water NN 39928 125 84 , , , 39928 125 85 and and CC 39928 125 86 on on IN 39928 125 87 the the DT 39928 125 88 sun sun NN 39928 125 89 exposed expose VBN 39928 125 90 to to IN 39928 125 91 heat heat NN 39928 125 92 which which WDT 39928 125 93 vaporises vaporise VBZ 39928 125 94 earths earth NNS 39928 125 95 and and CC 39928 125 96 metals metal NNS 39928 125 97 . . . 39928 126 1 His -PRON- PRP$ 39928 126 2 concluding concluding NN 39928 126 3 argument argument NN 39928 126 4 , , , 39928 126 5 and and CC 39928 126 6 perhaps perhaps RB 39928 126 7 one one CD 39928 126 8 of of IN 39928 126 9 his -PRON- PRP$ 39928 126 10 strongest strong JJS 39928 126 11 , , , 39928 126 12 is be VBZ 39928 126 13 that that DT 39928 126 14 founded found VBN 39928 126 15 upon upon IN 39928 126 16 the the DT 39928 126 17 dignity dignity NN 39928 126 18 of of IN 39928 126 19 man man NN 39928 126 20 , , , 39928 126 21 as as IN 39928 126 22 conferring confer VBG 39928 126 23 a a DT 39928 126 24 pre pre NN 39928 126 25 - - NN 39928 126 26 eminence eminence NN 39928 126 27 upon upon IN 39928 126 28 the the DT 39928 126 29 planet planet NN 39928 126 30 which which WDT 39928 126 31 has have VBZ 39928 126 32 produced produce VBN 39928 126 33 him -PRON- PRP 39928 126 34 . . . 39928 127 1 ' ' `` 39928 127 2 If if IN 39928 127 3 , , , 39928 127 4 ' ' '' 39928 127 5 he -PRON- PRP 39928 127 6 says say VBZ 39928 127 7 , , , 39928 127 8 ' ' `` 39928 127 9 man man NN 39928 127 10 be be VB 39928 127 11 not not RB 39928 127 12 merely merely RB 39928 127 13 capable capable JJ 39928 127 14 of of IN 39928 127 15 Virtue Virtue NNP 39928 127 16 and and CC 39928 127 17 Duty Duty NNP 39928 127 18 , , , 39928 127 19 of of IN 39928 127 20 universal universal JJ 39928 127 21 Love Love NNP 39928 127 22 and and CC 39928 127 23 Self Self NNP 39928 127 24 - - HYPH 39928 127 25 Devotion Devotion NNP 39928 127 26 , , , 39928 127 27 but but CC 39928 127 28 be be VB 39928 127 29 also also RB 39928 127 30 immortal immortal JJ 39928 127 31 ; ; : 39928 127 32 if if IN 39928 127 33 his -PRON- PRP$ 39928 127 34 being being NN 39928 127 35 be be VB 39928 127 36 of of IN 39928 127 37 infinite infinite JJ 39928 127 38 duration duration NN 39928 127 39 , , , 39928 127 40 his -PRON- PRP$ 39928 127 41 soul soul NN 39928 127 42 created create VBD 39928 127 43 never never RB 39928 127 44 to to TO 39928 127 45 die die VB 39928 127 46 ; ; : 39928 127 47 then then RB 39928 127 48 , , , 39928 127 49 indeed indeed RB 39928 127 50 , , , 39928 127 51 we -PRON- PRP 39928 127 52 may may MD 39928 127 53 well well RB 39928 127 54 say say VB 39928 127 55 that that IN 39928 127 56 one one CD 39928 127 57 soul soul NN 39928 127 58 outweighs outweigh VBZ 39928 127 59 the the DT 39928 127 60 whole whole JJ 39928 127 61 unintelligent unintelligent JJ 39928 127 62 creation creation NN 39928 127 63 . . . 39928 127 64 ' ' '' 39928 128 1 And and CC 39928 128 2 then then RB 39928 128 3 , , , 39928 128 4 addressing address VBG 39928 128 5 the the DT 39928 128 6 religious religious JJ 39928 128 7 world world NN 39928 128 8 , , , 39928 128 9 he -PRON- PRP 39928 128 10 urges urge VBZ 39928 128 11 that that IN 39928 128 12 , , , 39928 128 13 if if IN 39928 128 14 , , , 39928 128 15 as as IN 39928 128 16 they -PRON- PRP 39928 128 17 believe believe VBP 39928 128 18 , , , 39928 128 19 God God NNP 39928 128 20 _ _ NNP 39928 128 21 has have VBZ 39928 128 22 _ _ NNP 39928 128 23 redeemed redeem VBN 39928 128 24 man man NN 39928 128 25 by by IN 39928 128 26 the the DT 39928 128 27 sacrifice sacrifice NN 39928 128 28 of of IN 39928 128 29 His -PRON- PRP$ 39928 128 30 Son Son NNP 39928 128 31 , , , 39928 128 32 and and CC 39928 128 33 _ _ NNP 39928 128 34 has have VBZ 39928 128 35 _ _ NNP 39928 128 36 given give VBN 39928 128 37 to to IN 39928 128 38 him -PRON- PRP 39928 128 39 a a DT 39928 128 40 revelation revelation NN 39928 128 41 of of IN 39928 128 42 His -PRON- PRP$ 39928 128 43 will will NN 39928 128 44 , , , 39928 128 45 then then RB 39928 128 46 indeed indeed RB 39928 128 47 no no DT 39928 128 48 other other JJ 39928 128 49 conception conception NN 39928 128 50 is be VBZ 39928 128 51 possible possible JJ 39928 128 52 than than IN 39928 128 53 that that IN 39928 128 54 he -PRON- PRP 39928 128 55 is be VBZ 39928 128 56 the the DT 39928 128 57 sole sole JJ 39928 128 58 and and CC 39928 128 59 highest high JJS 39928 128 60 product product NN 39928 128 61 of of IN 39928 128 62 the the DT 39928 128 63 universe universe NN 39928 128 64 . . . 39928 129 1 ' ' `` 39928 129 2 The the DT 39928 129 3 elevation elevation NN 39928 129 4 of of IN 39928 129 5 millions million NNS 39928 129 6 of of IN 39928 129 7 intellectual intellectual JJ 39928 129 8 , , , 39928 129 9 moral moral JJ 39928 129 10 , , , 39928 129 11 religious religious JJ 39928 129 12 , , , 39928 129 13 spiritual spiritual JJ 39928 129 14 creatures creature NNS 39928 129 15 , , , 39928 129 16 to to IN 39928 129 17 a a DT 39928 129 18 destiny destiny NN 39928 129 19 so so RB 39928 129 20 prepared prepared JJ 39928 129 21 , , , 39928 129 22 consummated consummate VBD 39928 129 23 , , , 39928 129 24 and and CC 39928 129 25 developed develop VBD 39928 129 26 , , , 39928 129 27 is be VBZ 39928 129 28 no no DT 39928 129 29 unworthy unworthy JJ 39928 129 30 occupation occupation NN 39928 129 31 of of IN 39928 129 32 all all PDT 39928 129 33 the the DT 39928 129 34 capacities capacity NNS 39928 129 35 of of IN 39928 129 36 space space NN 39928 129 37 , , , 39928 129 38 time time NN 39928 129 39 , , , 39928 129 40 and and CC 39928 129 41 matter matter NN 39928 129 42 . . . 39928 129 43 ' ' '' 39928 130 1 Then then RB 39928 130 2 with with IN 39928 130 3 a a DT 39928 130 4 chapter chapter NN 39928 130 5 on on IN 39928 130 6 ' ' '' 39928 130 7 The the DT 39928 130 8 Unity unity NN 39928 130 9 of of IN 39928 130 10 the the DT 39928 130 11 World World NNP 39928 130 12 , , , 39928 130 13 ' ' '' 39928 130 14 and and CC 39928 130 15 one one CD 39928 130 16 on on IN 39928 130 17 ' ' '' 39928 130 18 The the DT 39928 130 19 Future Future NNP 39928 130 20 , , , 39928 130 21 ' ' '' 39928 130 22 neither neither DT 39928 130 23 of of IN 39928 130 24 which which WDT 39928 130 25 contains contain VBZ 39928 130 26 anything anything NN 39928 130 27 which which WDT 39928 130 28 adds add VBZ 39928 130 29 to to IN 39928 130 30 the the DT 39928 130 31 force force NN 39928 130 32 of of IN 39928 130 33 his -PRON- PRP$ 39928 130 34 argument argument NN 39928 130 35 , , , 39928 130 36 the the DT 39928 130 37 book book NN 39928 130 38 ends end VBZ 39928 130 39 . . . 39928 131 1 The the DT 39928 131 2 publication publication NN 39928 131 3 of of IN 39928 131 4 this this DT 39928 131 5 able able JJ 39928 131 6 if if IN 39928 131 7 rather rather RB 39928 131 8 vague vague JJ 39928 131 9 and and CC 39928 131 10 diffuse diffuse NN 39928 131 11 work work NN 39928 131 12 , , , 39928 131 13 contesting contest VBG 39928 131 14 popular popular JJ 39928 131 15 opinions opinion NNS 39928 131 16 , , , 39928 131 17 was be VBD 39928 131 18 followed follow VBN 39928 131 19 by by IN 39928 131 20 a a DT 39928 131 21 burst burst NN 39928 131 22 of of IN 39928 131 23 indignant indignant JJ 39928 131 24 criticism criticism NN 39928 131 25 on on IN 39928 131 26 the the DT 39928 131 27 part part NN 39928 131 28 of of IN 39928 131 29 a a DT 39928 131 30 man man NN 39928 131 31 of of IN 39928 131 32 considerable considerable JJ 39928 131 33 eminence eminence NN 39928 131 34 in in IN 39928 131 35 some some DT 39928 131 36 branches branch NNS 39928 131 37 of of IN 39928 131 38 physics physics NN 39928 131 39 -- -- : 39928 131 40 Sir Sir NNP 39928 131 41 David David NNP 39928 131 42 Brewster Brewster NNP 39928 131 43 , , , 39928 131 44 but but CC 39928 131 45 who who WP 39928 131 46 was be VBD 39928 131 47 very very RB 39928 131 48 inferior inferior JJ 39928 131 49 , , , 39928 131 50 both both DT 39928 131 51 in in IN 39928 131 52 general general JJ 39928 131 53 knowledge knowledge NN 39928 131 54 of of IN 39928 131 55 science science NN 39928 131 56 and and CC 39928 131 57 in in IN 39928 131 58 literary literary JJ 39928 131 59 skill skill NN 39928 131 60 , , , 39928 131 61 to to IN 39928 131 62 the the DT 39928 131 63 writer writer NN 39928 131 64 whose whose WP$ 39928 131 65 views view NNS 39928 131 66 he -PRON- PRP 39928 131 67 opposed oppose VBD 39928 131 68 . . . 39928 132 1 The the DT 39928 132 2 purport purport NN 39928 132 3 of of IN 39928 132 4 the the DT 39928 132 5 book book NN 39928 132 6 in in IN 39928 132 7 which which WDT 39928 132 8 he -PRON- PRP 39928 132 9 set set VBD 39928 132 10 forth forth RP 39928 132 11 his -PRON- PRP$ 39928 132 12 objections objection NNS 39928 132 13 is be VBZ 39928 132 14 indicated indicate VBN 39928 132 15 by by IN 39928 132 16 its -PRON- PRP$ 39928 132 17 title--_More title--_More NNP 39928 132 18 Worlds Worlds NNP 39928 132 19 than than IN 39928 132 20 One one CD 39928 132 21 , , , 39928 132 22 the the DT 39928 132 23 Creed Creed NNP 39928 132 24 of of IN 39928 132 25 the the DT 39928 132 26 Philosopher Philosopher NNP 39928 132 27 and and CC 39928 132 28 the the DT 39928 132 29 Hope Hope NNP 39928 132 30 of of IN 39928 132 31 the the DT 39928 132 32 Christian Christian NNP 39928 132 33 _ _ NNP 39928 132 34 . . . 39928 133 1 Though though IN 39928 133 2 written write VBN 39928 133 3 with with IN 39928 133 4 much much JJ 39928 133 5 force force NN 39928 133 6 and and CC 39928 133 7 conviction conviction NN 39928 133 8 it -PRON- PRP 39928 133 9 appeals appeal VBZ 39928 133 10 mainly mainly RB 39928 133 11 to to IN 39928 133 12 religious religious JJ 39928 133 13 prejudices prejudice NNS 39928 133 14 , , , 39928 133 15 and and CC 39928 133 16 assumes assume VBZ 39928 133 17 throughout throughout IN 39928 133 18 that that DT 39928 133 19 every every DT 39928 133 20 planet planet NN 39928 133 21 and and CC 39928 133 22 star star NN 39928 133 23 is be VBZ 39928 133 24 a a DT 39928 133 25 special special JJ 39928 133 26 creation creation NN 39928 133 27 , , , 39928 133 28 and and CC 39928 133 29 that that IN 39928 133 30 the the DT 39928 133 31 peculiarities peculiarity NNS 39928 133 32 of of IN 39928 133 33 each each DT 39928 133 34 were be VBD 39928 133 35 designed design VBN 39928 133 36 for for IN 39928 133 37 some some DT 39928 133 38 special special JJ 39928 133 39 purpose purpose NN 39928 133 40 . . . 39928 134 1 ' ' `` 39928 134 2 If if IN 39928 134 3 , , , 39928 134 4 ' ' '' 39928 134 5 he -PRON- PRP 39928 134 6 says say VBZ 39928 134 7 , , , 39928 134 8 ' ' '' 39928 134 9 the the DT 39928 134 10 moon moon NN 39928 134 11 had have VBD 39928 134 12 been be VBN 39928 134 13 destined destine VBN 39928 134 14 to to TO 39928 134 15 be be VB 39928 134 16 merely merely RB 39928 134 17 a a DT 39928 134 18 lamp lamp NN 39928 134 19 to to IN 39928 134 20 our -PRON- PRP$ 39928 134 21 earth earth NN 39928 134 22 , , , 39928 134 23 there there EX 39928 134 24 was be VBD 39928 134 25 no no DT 39928 134 26 occasion occasion NN 39928 134 27 to to TO 39928 134 28 variegate variegate VB 39928 134 29 its -PRON- PRP$ 39928 134 30 surface surface NN 39928 134 31 with with IN 39928 134 32 lofty lofty JJ 39928 134 33 mountains mountain NNS 39928 134 34 and and CC 39928 134 35 extinct extinct JJ 39928 134 36 volcanoes volcano NNS 39928 134 37 , , , 39928 134 38 and and CC 39928 134 39 cover cover VB 39928 134 40 it -PRON- PRP 39928 134 41 with with IN 39928 134 42 large large JJ 39928 134 43 patches patch NNS 39928 134 44 of of IN 39928 134 45 matter matter NN 39928 134 46 that that WDT 39928 134 47 reflect reflect VBP 39928 134 48 different different JJ 39928 134 49 quantities quantity NNS 39928 134 50 of of IN 39928 134 51 light light NN 39928 134 52 and and CC 39928 134 53 give give VB 39928 134 54 its -PRON- PRP$ 39928 134 55 surface surface NN 39928 134 56 the the DT 39928 134 57 appearance appearance NN 39928 134 58 of of IN 39928 134 59 continents continent NNS 39928 134 60 and and CC 39928 134 61 seas sea NNS 39928 134 62 . . . 39928 135 1 It -PRON- PRP 39928 135 2 would would MD 39928 135 3 have have VB 39928 135 4 been be VBN 39928 135 5 a a DT 39928 135 6 better well JJR 39928 135 7 lamp lamp NN 39928 135 8 had have VBD 39928 135 9 it -PRON- PRP 39928 135 10 been be VBN 39928 135 11 a a DT 39928 135 12 smooth smooth JJ 39928 135 13 piece piece NN 39928 135 14 of of IN 39928 135 15 lime lime NN 39928 135 16 or or CC 39928 135 17 of of IN 39928 135 18 chalk chalk NN 39928 135 19 . . . 39928 135 20 ' ' '' 39928 136 1 It -PRON- PRP 39928 136 2 is be VBZ 39928 136 3 , , , 39928 136 4 therefore therefore RB 39928 136 5 , , , 39928 136 6 he -PRON- PRP 39928 136 7 thinks think VBZ 39928 136 8 , , , 39928 136 9 prepared prepare VBN 39928 136 10 for for IN 39928 136 11 inhabitants inhabitant NNS 39928 136 12 ; ; : 39928 136 13 and and CC 39928 136 14 then then RB 39928 136 15 he -PRON- PRP 39928 136 16 argues argue VBZ 39928 136 17 that that IN 39928 136 18 all all PDT 39928 136 19 the the DT 39928 136 20 other other JJ 39928 136 21 satellites satellite NNS 39928 136 22 are be VBP 39928 136 23 also also RB 39928 136 24 inhabited inhabit VBN 39928 136 25 . . . 39928 137 1 Again again RB 39928 137 2 he -PRON- PRP 39928 137 3 says say VBZ 39928 137 4 that that IN 39928 137 5 ' ' `` 39928 137 6 when when WRB 39928 137 7 it -PRON- PRP 39928 137 8 was be VBD 39928 137 9 found find VBN 39928 137 10 that that IN 39928 137 11 Venus Venus NNP 39928 137 12 was be VBD 39928 137 13 about about IN 39928 137 14 the the DT 39928 137 15 same same JJ 39928 137 16 size size NN 39928 137 17 as as IN 39928 137 18 the the DT 39928 137 19 Earth Earth NNP 39928 137 20 , , , 39928 137 21 with with IN 39928 137 22 mountains mountain NNS 39928 137 23 and and CC 39928 137 24 valleys valley NNS 39928 137 25 , , , 39928 137 26 days day NNS 39928 137 27 and and CC 39928 137 28 nights night NNS 39928 137 29 , , , 39928 137 30 and and CC 39928 137 31 years year NNS 39928 137 32 analogous analogous JJ 39928 137 33 to to IN 39928 137 34 our -PRON- PRP$ 39928 137 35 own own JJ 39928 137 36 , , , 39928 137 37 the the DT 39928 137 38 _ _ NNP 39928 137 39 absurdity absurdity NN 39928 137 40 _ _ NNP 39928 137 41 of of IN 39928 137 42 believing believe VBG 39928 137 43 that that IN 39928 137 44 she -PRON- PRP 39928 137 45 had have VBD 39928 137 46 no no DT 39928 137 47 inhabitants inhabitant NNS 39928 137 48 , , , 39928 137 49 when when WRB 39928 137 50 no no DT 39928 137 51 other other JJ 39928 137 52 rational rational JJ 39928 137 53 purpose purpose NN 39928 137 54 could could MD 39928 137 55 be be VB 39928 137 56 assigned assign VBN 39928 137 57 for for IN 39928 137 58 her -PRON- PRP$ 39928 137 59 creation creation NN 39928 137 60 , , , 39928 137 61 became become VBD 39928 137 62 an an DT 39928 137 63 argument argument NN 39928 137 64 of of IN 39928 137 65 a a DT 39928 137 66 certain certain JJ 39928 137 67 amount amount NN 39928 137 68 that that IN 39928 137 69 she -PRON- PRP 39928 137 70 was be VBD 39928 137 71 , , , 39928 137 72 like like IN 39928 137 73 the the DT 39928 137 74 Earth Earth NNP 39928 137 75 , , , 39928 137 76 the the DT 39928 137 77 seat seat NN 39928 137 78 of of IN 39928 137 79 animal animal NN 39928 137 80 and and CC 39928 137 81 vegetable vegetable JJ 39928 137 82 life life NN 39928 137 83 . . . 39928 137 84 ' ' '' 39928 138 1 Then then RB 39928 138 2 , , , 39928 138 3 when when WRB 39928 138 4 it -PRON- PRP 39928 138 5 was be VBD 39928 138 6 found find VBN 39928 138 7 that that IN 39928 138 8 Jupiter Jupiter NNP 39928 138 9 was be VBD 39928 138 10 so so RB 39928 138 11 gigantic gigantic JJ 39928 138 12 ' ' '' 39928 138 13 as as IN 39928 138 14 to to TO 39928 138 15 require require VB 39928 138 16 four four CD 39928 138 17 moons moon NNS 39928 138 18 to to TO 39928 138 19 give give VB 39928 138 20 him -PRON- PRP 39928 138 21 light light NN 39928 138 22 , , , 39928 138 23 the the DT 39928 138 24 argument argument NN 39928 138 25 from from IN 39928 138 26 analogy analogy NN 39928 138 27 that that IN 39928 138 28 _ _ NNP 39928 138 29 he -PRON- PRP 39928 138 30 _ _ NNP 39928 138 31 was be VBD 39928 138 32 inhabited inhabit VBN 39928 138 33 became become VBD 39928 138 34 stronger strong JJR 39928 138 35 also also RB 39928 138 36 , , , 39928 138 37 because because IN 39928 138 38 it -PRON- PRP 39928 138 39 extended extend VBD 39928 138 40 to to IN 39928 138 41 _ _ NNP 39928 138 42 two two CD 39928 138 43 _ _ NNP 39928 138 44 planets planet NNS 39928 138 45 . . . 39928 138 46 ' ' '' 39928 139 1 And and CC 39928 139 2 thus thus RB 39928 139 3 each each DT 39928 139 4 successive successive JJ 39928 139 5 planet planet NN 39928 139 6 having have VBG 39928 139 7 certain certain JJ 39928 139 8 points point NNS 39928 139 9 of of IN 39928 139 10 analogy analogy NN 39928 139 11 with with IN 39928 139 12 the the DT 39928 139 13 others other NNS 39928 139 14 becomes become VBZ 39928 139 15 an an DT 39928 139 16 additional additional JJ 39928 139 17 argument argument NN 39928 139 18 ; ; : 39928 139 19 so so IN 39928 139 20 that that IN 39928 139 21 when when WRB 39928 139 22 we -PRON- PRP 39928 139 23 take take VBP 39928 139 24 account account NN 39928 139 25 of of IN 39928 139 26 all all PDT 39928 139 27 the the DT 39928 139 28 planets planet NNS 39928 139 29 , , , 39928 139 30 with with IN 39928 139 31 atmosphere atmosphere NN 39928 139 32 , , , 39928 139 33 and and CC 39928 139 34 clouds cloud NNS 39928 139 35 , , , 39928 139 36 and and CC 39928 139 37 arctic arctic NNP 39928 139 38 snows snow NNS 39928 139 39 , , , 39928 139 40 and and CC 39928 139 41 trade trade NN 39928 139 42 - - HYPH 39928 139 43 winds wind NNS 39928 139 44 , , , 39928 139 45 the the DT 39928 139 46 argument argument NN 39928 139 47 from from IN 39928 139 48 analogy analogy NN 39928 139 49 becomes become VBZ 39928 139 50 , , , 39928 139 51 he -PRON- PRP 39928 139 52 urges urge VBZ 39928 139 53 , , , 39928 139 54 very very RB 39928 139 55 powerful;--'and powerful;--'and '' 39928 139 56 the the DT 39928 139 57 absurdity absurdity NN 39928 139 58 of of IN 39928 139 59 the the DT 39928 139 60 opposite opposite JJ 39928 139 61 opinion opinion NN 39928 139 62 , , , 39928 139 63 that that IN 39928 139 64 planets planet NNS 39928 139 65 should should MD 39928 139 66 have have VB 39928 139 67 moons moon NNS 39928 139 68 and and CC 39928 139 69 no no DT 39928 139 70 inhabitants inhabitant NNS 39928 139 71 , , , 39928 139 72 atmospheres atmosphere NNS 39928 139 73 with with IN 39928 139 74 no no DT 39928 139 75 creatures creature NNS 39928 139 76 to to TO 39928 139 77 breathe breathe VB 39928 139 78 in in IN 39928 139 79 them -PRON- PRP 39928 139 80 , , , 39928 139 81 and and CC 39928 139 82 currents current NNS 39928 139 83 of of IN 39928 139 84 air air NN 39928 139 85 without without IN 39928 139 86 life life NN 39928 139 87 to to TO 39928 139 88 be be VB 39928 139 89 fanned fan VBN 39928 139 90 , , , 39928 139 91 became become VBD 39928 139 92 a a DT 39928 139 93 formidable formidable JJ 39928 139 94 argument argument NN 39928 139 95 which which WDT 39928 139 96 few few JJ 39928 139 97 minds mind NNS 39928 139 98 , , , 39928 139 99 if if IN 39928 139 100 any any DT 39928 139 101 , , , 39928 139 102 could could MD 39928 139 103 resist resist VB 39928 139 104 . . . 39928 139 105 ' ' '' 39928 140 1 The the DT 39928 140 2 work work NN 39928 140 3 is be VBZ 39928 140 4 full full JJ 39928 140 5 of of IN 39928 140 6 such such JJ 39928 140 7 weak weak JJ 39928 140 8 and and CC 39928 140 9 fallacious fallacious JJ 39928 140 10 rhetoric rhetoric NN 39928 140 11 and and CC 39928 140 12 even even RB 39928 140 13 , , , 39928 140 14 if if IN 39928 140 15 possible possible JJ 39928 140 16 , , , 39928 140 17 still still RB 39928 140 18 weaker weak JJR 39928 140 19 . . . 39928 141 1 Thus thus RB 39928 141 2 after after IN 39928 141 3 describing describe VBG 39928 141 4 double double JJ 39928 141 5 stars star NNS 39928 141 6 , , , 39928 141 7 he -PRON- PRP 39928 141 8 adds--'But adds--'But NNP 39928 141 9 no no DT 39928 141 10 person person NN 39928 141 11 can can MD 39928 141 12 believe believe VB 39928 141 13 that that IN 39928 141 14 two two CD 39928 141 15 suns sun NNS 39928 141 16 could could MD 39928 141 17 be be VB 39928 141 18 placed place VBN 39928 141 19 in in IN 39928 141 20 the the DT 39928 141 21 heavens heaven NNS 39928 141 22 for for IN 39928 141 23 no no DT 39928 141 24 other other JJ 39928 141 25 purpose purpose NN 39928 141 26 than than IN 39928 141 27 to to TO 39928 141 28 revolve revolve VB 39928 141 29 round round IN 39928 141 30 their -PRON- PRP$ 39928 141 31 common common JJ 39928 141 32 centre centre NN 39928 141 33 of of IN 39928 141 34 gravity gravity NN 39928 141 35 ' ' '' 39928 141 36 ; ; : 39928 141 37 and and CC 39928 141 38 he -PRON- PRP 39928 141 39 concludes conclude VBZ 39928 141 40 his -PRON- PRP$ 39928 141 41 chapter chapter NN 39928 141 42 on on IN 39928 141 43 the the DT 39928 141 44 stars star NNS 39928 141 45 thus:--'Wherever thus:--'Wherever NNP 39928 141 46 there there EX 39928 141 47 is be VBZ 39928 141 48 matter matter NN 39928 141 49 there there EX 39928 141 50 must must MD 39928 141 51 be be VB 39928 141 52 Life life NN 39928 141 53 ; ; : 39928 141 54 Life Life NNP 39928 141 55 Physical Physical NNP 39928 141 56 to to TO 39928 141 57 enjoy enjoy VB 39928 141 58 its -PRON- PRP$ 39928 141 59 beauties beauty NNS 39928 141 60 -- -- : 39928 141 61 Life Life NNP 39928 141 62 Moral Moral NNP 39928 141 63 to to TO 39928 141 64 worship worship VB 39928 141 65 its -PRON- PRP$ 39928 141 66 Maker maker NN 39928 141 67 , , , 39928 141 68 and and CC 39928 141 69 Life Life NNP 39928 141 70 Intellectual Intellectual NNP 39928 141 71 to to TO 39928 141 72 proclaim proclaim VB 39928 141 73 His -PRON- PRP$ 39928 141 74 wisdom wisdom NN 39928 141 75 and and CC 39928 141 76 His -PRON- PRP$ 39928 141 77 power power NN 39928 141 78 . . . 39928 141 79 ' ' '' 39928 142 1 And and CC 39928 142 2 again--'A again--'a CD 39928 142 3 house house NN 39928 142 4 without without IN 39928 142 5 tenants tenant NNS 39928 142 6 , , , 39928 142 7 a a DT 39928 142 8 city city NN 39928 142 9 without without IN 39928 142 10 citizens citizen NNS 39928 142 11 , , , 39928 142 12 presents present VBZ 39928 142 13 to to IN 39928 142 14 our -PRON- PRP$ 39928 142 15 minds mind NNS 39928 142 16 the the DT 39928 142 17 same same JJ 39928 142 18 idea idea NN 39928 142 19 as as IN 39928 142 20 a a DT 39928 142 21 planet planet NN 39928 142 22 without without IN 39928 142 23 life life NN 39928 142 24 , , , 39928 142 25 and and CC 39928 142 26 a a DT 39928 142 27 universe universe NN 39928 142 28 without without IN 39928 142 29 inhabitants inhabitant NNS 39928 142 30 . . . 39928 143 1 Why why WRB 39928 143 2 the the DT 39928 143 3 house house NN 39928 143 4 was be VBD 39928 143 5 built build VBN 39928 143 6 , , , 39928 143 7 why why WRB 39928 143 8 the the DT 39928 143 9 city city NN 39928 143 10 was be VBD 39928 143 11 founded found VBN 39928 143 12 , , , 39928 143 13 why why WRB 39928 143 14 the the DT 39928 143 15 planet planet NN 39928 143 16 was be VBD 39928 143 17 made make VBN 39928 143 18 , , , 39928 143 19 and and CC 39928 143 20 why why WRB 39928 143 21 the the DT 39928 143 22 universe universe NN 39928 143 23 was be VBD 39928 143 24 created create VBN 39928 143 25 , , , 39928 143 26 it -PRON- PRP 39928 143 27 would would MD 39928 143 28 be be VB 39928 143 29 difficult difficult JJ 39928 143 30 even even RB 39928 143 31 to to IN 39928 143 32 conjecture conjecture NN 39928 143 33 . . . 39928 143 34 ' ' '' 39928 144 1 Arguments argument NNS 39928 144 2 of of IN 39928 144 3 this this DT 39928 144 4 kind kind NN 39928 144 5 , , , 39928 144 6 which which WDT 39928 144 7 in in IN 39928 144 8 almost almost RB 39928 144 9 every every DT 39928 144 10 case case NN 39928 144 11 beg beg VB 39928 144 12 the the DT 39928 144 13 question question NN 39928 144 14 at at IN 39928 144 15 issue issue NN 39928 144 16 , , , 39928 144 17 are be VBP 39928 144 18 repeated repeat VBN 39928 144 19 _ _ NNP 39928 144 20 ad ad NN 39928 144 21 nauseam nauseam NN 39928 144 22 _ _ NNP 39928 144 23 . . . 39928 145 1 But but CC 39928 145 2 he -PRON- PRP 39928 145 3 also also RB 39928 145 4 appeals appeal VBZ 39928 145 5 to to IN 39928 145 6 the the DT 39928 145 7 Old Old NNP 39928 145 8 Testament Testament NNP 39928 145 9 to to TO 39928 145 10 support support VB 39928 145 11 his -PRON- PRP$ 39928 145 12 views view NNS 39928 145 13 , , , 39928 145 14 by by IN 39928 145 15 quoting quote VBG 39928 145 16 the the DT 39928 145 17 fine fine JJ 39928 145 18 passage passage NN 39928 145 19 in in IN 39928 145 20 the the DT 39928 145 21 Psalms--'When Psalms--'When NNP 39928 145 22 I -PRON- PRP 39928 145 23 consider consider VBP 39928 145 24 Thy Thy NNP 39928 145 25 heavens heaven VBZ 39928 145 26 the the DT 39928 145 27 work work NN 39928 145 28 of of IN 39928 145 29 Thy Thy NNP 39928 145 30 fingers finger NNS 39928 145 31 , , , 39928 145 32 the the DT 39928 145 33 moon moon NN 39928 145 34 and and CC 39928 145 35 the the DT 39928 145 36 stars star NNS 39928 145 37 which which WDT 39928 145 38 Thou Thou NNP 39928 145 39 hast hast NN 39928 145 40 ordained ordain VBD 39928 145 41 ; ; : 39928 145 42 what what WP 39928 145 43 is be VBZ 39928 145 44 man man NN 39928 145 45 that that WDT 39928 145 46 Thou Thou NNP 39928 145 47 art art NN 39928 145 48 mindful mindful JJ 39928 145 49 of of IN 39928 145 50 him -PRON- PRP 39928 145 51 ? ? . 39928 145 52 ' ' '' 39928 146 1 on on IN 39928 146 2 which which WDT 39928 146 3 he -PRON- PRP 39928 146 4 remarks--'We remarks--'We NNP 39928 146 5 can can MD 39928 146 6 not not RB 39928 146 7 doubt doubt VB 39928 146 8 that that IN 39928 146 9 inspiration inspiration NN 39928 146 10 revealed reveal VBD 39928 146 11 to to IN 39928 146 12 him -PRON- PRP 39928 146 13 [ [ -LRB- 39928 146 14 David David NNP 39928 146 15 ] ] -RRB- 39928 146 16 the the DT 39928 146 17 magnitude magnitude NN 39928 146 18 , , , 39928 146 19 the the DT 39928 146 20 distances distance NNS 39928 146 21 , , , 39928 146 22 and and CC 39928 146 23 the the DT 39928 146 24 final final JJ 39928 146 25 cause cause NN 39928 146 26 , , , 39928 146 27 of of IN 39928 146 28 the the DT 39928 146 29 glorious glorious JJ 39928 146 30 spheres sphere NNS 39928 146 31 which which WDT 39928 146 32 fixed fix VBD 39928 146 33 his -PRON- PRP$ 39928 146 34 admiration admiration NN 39928 146 35 . . . 39928 146 36 ' ' '' 39928 147 1 And and CC 39928 147 2 after after IN 39928 147 3 quoting quote VBG 39928 147 4 various various JJ 39928 147 5 other other JJ 39928 147 6 passages passage NNS 39928 147 7 from from IN 39928 147 8 the the DT 39928 147 9 prophets prophet NNS 39928 147 10 , , , 39928 147 11 all all DT 39928 147 12 as as IN 39928 147 13 he -PRON- PRP 39928 147 14 thinks think VBZ 39928 147 15 supporting support VBG 39928 147 16 the the DT 39928 147 17 same same JJ 39928 147 18 view view NN 39928 147 19 , , , 39928 147 20 he -PRON- PRP 39928 147 21 sets set VBZ 39928 147 22 forth forth RB 39928 147 23 the the DT 39928 147 24 extraordinary extraordinary JJ 39928 147 25 idea idea NN 39928 147 26 as as IN 39928 147 27 a a DT 39928 147 28 confirmatory confirmatory JJ 39928 147 29 argument argument NN 39928 147 30 , , , 39928 147 31 that that IN 39928 147 32 the the DT 39928 147 33 planets planet NNS 39928 147 34 or or CC 39928 147 35 some some DT 39928 147 36 of of IN 39928 147 37 them -PRON- PRP 39928 147 38 are be VBP 39928 147 39 to to TO 39928 147 40 be be VB 39928 147 41 the the DT 39928 147 42 future future JJ 39928 147 43 abode abode NN 39928 147 44 of of IN 39928 147 45 man man NN 39928 147 46 . . . 39928 148 1 For for IN 39928 148 2 , , , 39928 148 3 he -PRON- PRP 39928 148 4 says--'Man says--'Man VBZ 39928 148 5 in in IN 39928 148 6 his -PRON- PRP$ 39928 148 7 future future JJ 39928 148 8 state state NN 39928 148 9 of of IN 39928 148 10 existence existence NN 39928 148 11 is be VBZ 39928 148 12 to to TO 39928 148 13 consist consist VB 39928 148 14 , , , 39928 148 15 as as IN 39928 148 16 at at IN 39928 148 17 present present NN 39928 148 18 , , , 39928 148 19 of of IN 39928 148 20 a a DT 39928 148 21 spiritual spiritual JJ 39928 148 22 nature nature NN 39928 148 23 residing reside VBG 39928 148 24 in in IN 39928 148 25 a a DT 39928 148 26 corporeal corporeal JJ 39928 148 27 frame frame NN 39928 148 28 . . . 39928 149 1 He -PRON- PRP 39928 149 2 must must MD 39928 149 3 live live VB 39928 149 4 , , , 39928 149 5 therefore therefore RB 39928 149 6 , , , 39928 149 7 upon upon IN 39928 149 8 a a DT 39928 149 9 material material JJ 39928 149 10 planet planet NN 39928 149 11 , , , 39928 149 12 subject subject JJ 39928 149 13 to to IN 39928 149 14 all all PDT 39928 149 15 the the DT 39928 149 16 laws law NNS 39928 149 17 of of IN 39928 149 18 matter matter NN 39928 149 19 . . . 39928 149 20 ' ' '' 39928 150 1 And and CC 39928 150 2 he -PRON- PRP 39928 150 3 concludes conclude VBZ 39928 150 4 thus:--'If thus:--'if CD 39928 150 5 there there EX 39928 150 6 is be VBZ 39928 150 7 not not RB 39928 150 8 room room NN 39928 150 9 , , , 39928 150 10 then then RB 39928 150 11 , , , 39928 150 12 on on IN 39928 150 13 our -PRON- PRP$ 39928 150 14 globe globe NN 39928 150 15 for for IN 39928 150 16 the the DT 39928 150 17 millions million NNS 39928 150 18 of of IN 39928 150 19 millions million NNS 39928 150 20 of of IN 39928 150 21 beings being NNS 39928 150 22 who who WP 39928 150 23 have have VBP 39928 150 24 lived live VBN 39928 150 25 and and CC 39928 150 26 died die VBD 39928 150 27 on on IN 39928 150 28 its -PRON- PRP$ 39928 150 29 surface surface NN 39928 150 30 , , , 39928 150 31 we -PRON- PRP 39928 150 32 can can MD 39928 150 33 scarcely scarcely RB 39928 150 34 doubt doubt VB 39928 150 35 that that IN 39928 150 36 their -PRON- PRP$ 39928 150 37 future future JJ 39928 150 38 abode abode NN 39928 150 39 must must MD 39928 150 40 be be VB 39928 150 41 on on IN 39928 150 42 some some DT 39928 150 43 of of IN 39928 150 44 the the DT 39928 150 45 primary primary JJ 39928 150 46 or or CC 39928 150 47 secondary secondary JJ 39928 150 48 planets planet NNS 39928 150 49 of of IN 39928 150 50 the the DT 39928 150 51 solar solar JJ 39928 150 52 system system NN 39928 150 53 , , , 39928 150 54 whose whose WP$ 39928 150 55 inhabitants inhabitant NNS 39928 150 56 have have VBP 39928 150 57 ceased cease VBN 39928 150 58 to to TO 39928 150 59 exist exist VB 39928 150 60 , , , 39928 150 61 or or CC 39928 150 62 upon upon IN 39928 150 63 planets planet NNS 39928 150 64 which which WDT 39928 150 65 have have VBP 39928 150 66 long long RB 39928 150 67 been be VBN 39928 150 68 in in IN 39928 150 69 a a DT 39928 150 70 state state NN 39928 150 71 of of IN 39928 150 72 preparation preparation NN 39928 150 73 , , , 39928 150 74 as as IN 39928 150 75 our -PRON- PRP$ 39928 150 76 earth earth NN 39928 150 77 was be VBD 39928 150 78 , , , 39928 150 79 for for IN 39928 150 80 the the DT 39928 150 81 advent advent NN 39928 150 82 of of IN 39928 150 83 intellectual intellectual JJ 39928 150 84 life life NN 39928 150 85 . . . 39928 150 86 ' ' '' 39928 151 1 It -PRON- PRP 39928 151 2 is be VBZ 39928 151 3 pleasant pleasant JJ 39928 151 4 to to TO 39928 151 5 turn turn VB 39928 151 6 from from IN 39928 151 7 such such JJ 39928 151 8 weak weak JJ 39928 151 9 and and CC 39928 151 10 trivial trivial JJ 39928 151 11 arguments argument NNS 39928 151 12 to to IN 39928 151 13 the the DT 39928 151 14 only only JJ 39928 151 15 other other JJ 39928 151 16 modern modern JJ 39928 151 17 works work NNS 39928 151 18 which which WDT 39928 151 19 deal deal VBP 39928 151 20 at at IN 39928 151 21 some some DT 39928 151 22 length length NN 39928 151 23 with with IN 39928 151 24 this this DT 39928 151 25 subject subject NN 39928 151 26 , , , 39928 151 27 the the DT 39928 151 28 late late JJ 39928 151 29 Richard Richard NNP 39928 151 30 A. A. NNP 39928 151 31 Proctor Proctor NNP 39928 151 32 's 's POS 39928 151 33 _ _ NNP 39928 151 34 Other other JJ 39928 151 35 Worlds world NNS 39928 151 36 than than IN 39928 151 37 Ours -PRON- PRP 39928 151 38 _ _ NNP 39928 151 39 , , , 39928 151 40 and and CC 39928 151 41 a a DT 39928 151 42 volume volume NN 39928 151 43 published publish VBN 39928 151 44 five five CD 39928 151 45 years year NNS 39928 151 46 later later RB 39928 151 47 under under IN 39928 151 48 the the DT 39928 151 49 title--_Our title--_Our NNP 39928 151 50 Place Place NNP 39928 151 51 Among among IN 39928 151 52 Infinities Infinities NNPS 39928 151 53 _ _ NNP 39928 151 54 . . . 39928 152 1 Written write VBN 39928 152 2 as as IN 39928 152 3 these these DT 39928 152 4 were be VBD 39928 152 5 by by IN 39928 152 6 one one CD 39928 152 7 of of IN 39928 152 8 the the DT 39928 152 9 most most RBS 39928 152 10 accomplished accomplished JJ 39928 152 11 astronomers astronomer NNS 39928 152 12 of of IN 39928 152 13 his -PRON- PRP$ 39928 152 14 day day NN 39928 152 15 , , , 39928 152 16 remarkable remarkable JJ 39928 152 17 alike alike RB 39928 152 18 for for IN 39928 152 19 the the DT 39928 152 20 acuteness acuteness NN 39928 152 21 of of IN 39928 152 22 his -PRON- PRP$ 39928 152 23 reasoning reasoning NN 39928 152 24 and and CC 39928 152 25 the the DT 39928 152 26 clearness clearness NN 39928 152 27 of of IN 39928 152 28 his -PRON- PRP$ 39928 152 29 style style NN 39928 152 30 , , , 39928 152 31 we -PRON- PRP 39928 152 32 are be VBP 39928 152 33 always always RB 39928 152 34 interested interested JJ 39928 152 35 and and CC 39928 152 36 instructed instruct VBN 39928 152 37 even even RB 39928 152 38 when when WRB 39928 152 39 we -PRON- PRP 39928 152 40 can can MD 39928 152 41 not not RB 39928 152 42 agree agree VB 39928 152 43 with with IN 39928 152 44 his -PRON- PRP$ 39928 152 45 conclusions conclusion NNS 39928 152 46 . . . 39928 153 1 In in IN 39928 153 2 the the DT 39928 153 3 first first JJ 39928 153 4 work work NN 39928 153 5 mentioned mention VBN 39928 153 6 above above RB 39928 153 7 , , , 39928 153 8 he -PRON- PRP 39928 153 9 assumes assume VBZ 39928 153 10 , , , 39928 153 11 like like IN 39928 153 12 Sir Sir NNP 39928 153 13 David David NNP 39928 153 14 Brewster Brewster NNP 39928 153 15 , , , 39928 153 16 the the DT 39928 153 17 antecedent antecedent NN 39928 153 18 probability probability NN 39928 153 19 that that WDT 39928 153 20 the the DT 39928 153 21 planets planet NNS 39928 153 22 are be VBP 39928 153 23 inhabited inhabit VBN 39928 153 24 and and CC 39928 153 25 on on IN 39928 153 26 much much RB 39928 153 27 the the DT 39928 153 28 same same JJ 39928 153 29 theological theological JJ 39928 153 30 grounds ground NNS 39928 153 31 . . . 39928 154 1 So so RB 39928 154 2 strongly strongly RB 39928 154 3 does do VBZ 39928 154 4 he -PRON- PRP 39928 154 5 feel feel VB 39928 154 6 this this DT 39928 154 7 that that IN 39928 154 8 he -PRON- PRP 39928 154 9 continually continually RB 39928 154 10 speaks speak VBZ 39928 154 11 as as IN 39928 154 12 if if IN 39928 154 13 the the DT 39928 154 14 planets planet NNS 39928 154 15 _ _ NNP 39928 154 16 must must MD 39928 154 17 _ _ NNP 39928 154 18 be be VB 39928 154 19 inhabited inhabit VBN 39928 154 20 unless unless IN 39928 154 21 we -PRON- PRP 39928 154 22 can can MD 39928 154 23 show show VB 39928 154 24 very very RB 39928 154 25 good good JJ 39928 154 26 reason reason NN 39928 154 27 that that IN 39928 154 28 they -PRON- PRP 39928 154 29 _ _ NNP 39928 154 30 can can MD 39928 154 31 not not RB 39928 154 32 _ _ VB 39928 154 33 be be VB 39928 154 34 so so RB 39928 154 35 , , , 39928 154 36 thus thus RB 39928 154 37 throwing throw VBG 39928 154 38 the the DT 39928 154 39 burden burden NN 39928 154 40 of of IN 39928 154 41 proving prove VBG 39928 154 42 a a DT 39928 154 43 negative negative NN 39928 154 44 on on IN 39928 154 45 his -PRON- PRP$ 39928 154 46 opponents opponent NNS 39928 154 47 , , , 39928 154 48 while while IN 39928 154 49 he -PRON- PRP 39928 154 50 does do VBZ 39928 154 51 not not RB 39928 154 52 attempt attempt VB 39928 154 53 to to TO 39928 154 54 prove prove VB 39928 154 55 his -PRON- PRP$ 39928 154 56 positive positive JJ 39928 154 57 contention contention NN 39928 154 58 that that IN 39928 154 59 they -PRON- PRP 39928 154 60 are be VBP 39928 154 61 inhabited inhabit VBN 39928 154 62 , , , 39928 154 63 except except IN 39928 154 64 by by IN 39928 154 65 purely purely RB 39928 154 66 hypothetical hypothetical JJ 39928 154 67 considerations consideration NNS 39928 154 68 as as IN 39928 154 69 to to IN 39928 154 70 the the DT 39928 154 71 Creator Creator NNP 39928 154 72 's 's POS 39928 154 73 purpose purpose NN 39928 154 74 in in IN 39928 154 75 bringing bring VBG 39928 154 76 them -PRON- PRP 39928 154 77 into into IN 39928 154 78 existence existence NN 39928 154 79 . . . 39928 155 1 But but CC 39928 155 2 starting start VBG 39928 155 3 from from IN 39928 155 4 this this DT 39928 155 5 point point NN 39928 155 6 he -PRON- PRP 39928 155 7 endeavours endeavour VBZ 39928 155 8 to to TO 39928 155 9 show show VB 39928 155 10 how how WRB 39928 155 11 Whewell Whewell NNP 39928 155 12 's 's POS 39928 155 13 various various JJ 39928 155 14 difficulties difficulty NNS 39928 155 15 may may MD 39928 155 16 be be VB 39928 155 17 overcome overcome VBN 39928 155 18 , , , 39928 155 19 and and CC 39928 155 20 here here RB 39928 155 21 he -PRON- PRP 39928 155 22 always always RB 39928 155 23 appeals appeal VBZ 39928 155 24 to to IN 39928 155 25 astronomical astronomical JJ 39928 155 26 or or CC 39928 155 27 physical physical JJ 39928 155 28 facts fact NNS 39928 155 29 , , , 39928 155 30 and and CC 39928 155 31 reasons reason NNS 39928 155 32 well well RB 39928 155 33 upon upon IN 39928 155 34 them -PRON- PRP 39928 155 35 . . . 39928 156 1 But but CC 39928 156 2 he -PRON- PRP 39928 156 3 is be VBZ 39928 156 4 quite quite RB 39928 156 5 honest honest JJ 39928 156 6 ; ; : 39928 156 7 and and CC 39928 156 8 , , , 39928 156 9 coming come VBG 39928 156 10 to to IN 39928 156 11 the the DT 39928 156 12 conclusion conclusion NN 39928 156 13 that that IN 39928 156 14 Jupiter Jupiter NNP 39928 156 15 and and CC 39928 156 16 Saturn Saturn NNP 39928 156 17 , , , 39928 156 18 Uranus Uranus NNP 39928 156 19 and and CC 39928 156 20 Neptune Neptune NNP 39928 156 21 , , , 39928 156 22 can can MD 39928 156 23 not not RB 39928 156 24 be be VB 39928 156 25 habitable habitable JJ 39928 156 26 , , , 39928 156 27 he -PRON- PRP 39928 156 28 adduces adduce VBZ 39928 156 29 the the DT 39928 156 30 evidence evidence NN 39928 156 31 and and CC 39928 156 32 plainly plainly RB 39928 156 33 states state VBZ 39928 156 34 the the DT 39928 156 35 result result NN 39928 156 36 . . . 39928 157 1 But but CC 39928 157 2 then then RB 39928 157 3 he -PRON- PRP 39928 157 4 thinks think VBZ 39928 157 5 that that IN 39928 157 6 the the DT 39928 157 7 satellites satellite NNS 39928 157 8 of of IN 39928 157 9 Jupiter Jupiter NNP 39928 157 10 and and CC 39928 157 11 Saturn Saturn NNP 39928 157 12 _ _ NNP 39928 157 13 may may MD 39928 157 14 _ _ NNP 39928 157 15 be be VB 39928 157 16 habitable habitable JJ 39928 157 17 , , , 39928 157 18 and and CC 39928 157 19 if if IN 39928 157 20 they -PRON- PRP 39928 157 21 may may MD 39928 157 22 be be VB 39928 157 23 , , , 39928 157 24 then then RB 39928 157 25 he -PRON- PRP 39928 157 26 concludes conclude VBZ 39928 157 27 that that IN 39928 157 28 they -PRON- PRP 39928 157 29 _ _ NNP 39928 157 30 must must MD 39928 157 31 _ _ NNP 39928 157 32 . . . 39928 158 1 One one CD 39928 158 2 great great JJ 39928 158 3 oversight oversight NN 39928 158 4 in in IN 39928 158 5 his -PRON- PRP$ 39928 158 6 whole whole JJ 39928 158 7 argument argument NN 39928 158 8 is be VBZ 39928 158 9 , , , 39928 158 10 that that IN 39928 158 11 he -PRON- PRP 39928 158 12 is be VBZ 39928 158 13 satisfied satisfied JJ 39928 158 14 with with IN 39928 158 15 showing show VBG 39928 158 16 the the DT 39928 158 17 possibility possibility NN 39928 158 18 that that IN 39928 158 19 life life NN 39928 158 20 may may MD 39928 158 21 exist exist VB 39928 158 22 now now RB 39928 158 23 , , , 39928 158 24 but but CC 39928 158 25 never never RB 39928 158 26 deals deal VBZ 39928 158 27 with with IN 39928 158 28 the the DT 39928 158 29 question question NN 39928 158 30 of of IN 39928 158 31 whether whether IN 39928 158 32 life life NN 39928 158 33 could could MD 39928 158 34 have have VB 39928 158 35 been be VBN 39928 158 36 developed develop VBN 39928 158 37 from from IN 39928 158 38 its -PRON- PRP$ 39928 158 39 earliest early JJS 39928 158 40 rudiments rudiment NNS 39928 158 41 up up IN 39928 158 42 to to IN 39928 158 43 the the DT 39928 158 44 production production NN 39928 158 45 of of IN 39928 158 46 the the DT 39928 158 47 higher high JJR 39928 158 48 vertebrates vertebrate NNS 39928 158 49 and and CC 39928 158 50 man man NN 39928 158 51 ; ; , 39928 158 52 and and CC 39928 158 53 this this DT 39928 158 54 , , , 39928 158 55 as as IN 39928 158 56 I -PRON- PRP 39928 158 57 shall shall MD 39928 158 58 show show VB 39928 158 59 later later RB 39928 158 60 , , , 39928 158 61 is be VBZ 39928 158 62 the the DT 39928 158 63 _ _ NNP 39928 158 64 crux crux NN 39928 158 65 _ _ NNP 39928 158 66 of of IN 39928 158 67 the the DT 39928 158 68 whole whole JJ 39928 158 69 problem problem NN 39928 158 70 . . . 39928 159 1 With with IN 39928 159 2 regard regard NN 39928 159 3 to to IN 39928 159 4 the the DT 39928 159 5 other other JJ 39928 159 6 planets planet NNS 39928 159 7 , , , 39928 159 8 after after IN 39928 159 9 a a DT 39928 159 10 careful careful JJ 39928 159 11 examination examination NN 39928 159 12 of of IN 39928 159 13 all all DT 39928 159 14 that that WDT 39928 159 15 is be VBZ 39928 159 16 known know VBN 39928 159 17 about about IN 39928 159 18 them -PRON- PRP 39928 159 19 , , , 39928 159 20 he -PRON- PRP 39928 159 21 arrives arrive VBZ 39928 159 22 at at IN 39928 159 23 the the DT 39928 159 24 conclusion conclusion NN 39928 159 25 that that IN 39928 159 26 if if IN 39928 159 27 Mercury Mercury NNP 39928 159 28 is be VBZ 39928 159 29 protected protect VBN 39928 159 30 by by IN 39928 159 31 a a DT 39928 159 32 cloud cloud NN 39928 159 33 - - HYPH 39928 159 34 laden laden JJ 39928 159 35 atmosphere atmosphere NN 39928 159 36 of of IN 39928 159 37 a a DT 39928 159 38 peculiar peculiar JJ 39928 159 39 kind kind NN 39928 159 40 it -PRON- PRP 39928 159 41 may may MD 39928 159 42 possibly possibly RB 39928 159 43 , , , 39928 159 44 but but CC 39928 159 45 not not RB 39928 159 46 probably probably RB 39928 159 47 , , , 39928 159 48 support support VBP 39928 159 49 high high JJ 39928 159 50 forms form NNS 39928 159 51 of of IN 39928 159 52 animal animal NN 39928 159 53 life life NN 39928 159 54 . . . 39928 160 1 But but CC 39928 160 2 in in IN 39928 160 3 the the DT 39928 160 4 case case NN 39928 160 5 of of IN 39928 160 6 Venus Venus NNP 39928 160 7 and and CC 39928 160 8 Mars Mars NNP 39928 160 9 he -PRON- PRP 39928 160 10 finds find VBZ 39928 160 11 so so RB 39928 160 12 much much JJ 39928 160 13 resemblance resemblance NN 39928 160 14 to to IN 39928 160 15 and and CC 39928 160 16 so so RB 39928 160 17 many many JJ 39928 160 18 analogies analogy NNS 39928 160 19 with with IN 39928 160 20 our -PRON- PRP$ 39928 160 21 earth earth NN 39928 160 22 , , , 39928 160 23 that that IN 39928 160 24 he -PRON- PRP 39928 160 25 concludes conclude VBZ 39928 160 26 that that IN 39928 160 27 they -PRON- PRP 39928 160 28 almost almost RB 39928 160 29 certainly certainly RB 39928 160 30 are be VBP 39928 160 31 so so RB 39928 160 32 . . . 39928 161 1 In in IN 39928 161 2 the the DT 39928 161 3 case case NN 39928 161 4 of of IN 39928 161 5 the the DT 39928 161 6 fixed fix VBN 39928 161 7 stars star NNS 39928 161 8 , , , 39928 161 9 now now RB 39928 161 10 that that IN 39928 161 11 we -PRON- PRP 39928 161 12 know know VBP 39928 161 13 by by IN 39928 161 14 spectroscopic spectroscopic JJ 39928 161 15 observations observation NNS 39928 161 16 that that IN 39928 161 17 they -PRON- PRP 39928 161 18 are be VBP 39928 161 19 true true JJ 39928 161 20 suns sun NNS 39928 161 21 , , , 39928 161 22 many many JJ 39928 161 23 of of IN 39928 161 24 which which WDT 39928 161 25 closely closely RB 39928 161 26 resemble resemble VBP 39928 161 27 our -PRON- PRP$ 39928 161 28 sun sun NN 39928 161 29 and and CC 39928 161 30 give give VB 39928 161 31 out out RP 39928 161 32 light light NN 39928 161 33 and and CC 39928 161 34 heat heat NN 39928 161 35 as as IN 39928 161 36 he -PRON- PRP 39928 161 37 does do VBZ 39928 161 38 , , , 39928 161 39 Mr. Mr. NNP 39928 161 40 Proctor Proctor NNP 39928 161 41 argues argue VBZ 39928 161 42 , , , 39928 161 43 that that IN 39928 161 44 ' ' `` 39928 161 45 The the DT 39928 161 46 vast vast JJ 39928 161 47 supplies supply NNS 39928 161 48 of of IN 39928 161 49 heat heat NN 39928 161 50 thus thus RB 39928 161 51 emitted emit VBN 39928 161 52 by by IN 39928 161 53 the the DT 39928 161 54 stars star NNS 39928 161 55 not not RB 39928 161 56 only only RB 39928 161 57 suggest suggest VBP 39928 161 58 the the DT 39928 161 59 conclusion conclusion NN 39928 161 60 that that IN 39928 161 61 there there EX 39928 161 62 must must MD 39928 161 63 be be VB 39928 161 64 worlds world NNS 39928 161 65 around around IN 39928 161 66 these these DT 39928 161 67 orbs orb NNS 39928 161 68 for for IN 39928 161 69 which which WDT 39928 161 70 these these DT 39928 161 71 heat heat NN 39928 161 72 - - HYPH 39928 161 73 supplies supply NNS 39928 161 74 are be VBP 39928 161 75 intended intend VBN 39928 161 76 , , , 39928 161 77 but but CC 39928 161 78 point point NN 39928 161 79 to to IN 39928 161 80 the the DT 39928 161 81 existence existence NN 39928 161 82 of of IN 39928 161 83 the the DT 39928 161 84 various various JJ 39928 161 85 forms form NNS 39928 161 86 of of IN 39928 161 87 force force NN 39928 161 88 into into IN 39928 161 89 which which WDT 39928 161 90 heat heat NN 39928 161 91 may may MD 39928 161 92 be be VB 39928 161 93 transmuted transmute VBN 39928 161 94 . . . 39928 162 1 We -PRON- PRP 39928 162 2 know know VBP 39928 162 3 that that IN 39928 162 4 the the DT 39928 162 5 sun sun NN 39928 162 6 's 's POS 39928 162 7 heat heat NN 39928 162 8 poured pour VBD 39928 162 9 upon upon IN 39928 162 10 our -PRON- PRP$ 39928 162 11 earth earth NN 39928 162 12 is be VBZ 39928 162 13 stored store VBN 39928 162 14 up up RP 39928 162 15 in in IN 39928 162 16 vegetable vegetable NN 39928 162 17 and and CC 39928 162 18 animal animal NN 39928 162 19 forms form NNS 39928 162 20 of of IN 39928 162 21 life life NN 39928 162 22 ; ; : 39928 162 23 is be VBZ 39928 162 24 present present JJ 39928 162 25 in in IN 39928 162 26 all all PDT 39928 162 27 the the DT 39928 162 28 phenomena phenomenon NNS 39928 162 29 of of IN 39928 162 30 nature nature NN 39928 162 31 -- -- : 39928 162 32 in in IN 39928 162 33 winds wind NNS 39928 162 34 and and CC 39928 162 35 clouds cloud NNS 39928 162 36 and and CC 39928 162 37 rain rain NN 39928 162 38 , , , 39928 162 39 in in IN 39928 162 40 thunder thunder NN 39928 162 41 and and CC 39928 162 42 lightning lightning NN 39928 162 43 , , , 39928 162 44 storm storm NN 39928 162 45 and and CC 39928 162 46 hail hail NN 39928 162 47 ; ; : 39928 162 48 and and CC 39928 162 49 that that IN 39928 162 50 even even RB 39928 162 51 the the DT 39928 162 52 works work NNS 39928 162 53 of of IN 39928 162 54 man man NN 39928 162 55 are be VBP 39928 162 56 performed perform VBN 39928 162 57 by by IN 39928 162 58 virtue virtue NN 39928 162 59 of of IN 39928 162 60 the the DT 39928 162 61 solar solar JJ 39928 162 62 heat heat NN 39928 162 63 - - HYPH 39928 162 64 supplies supply NNS 39928 162 65 . . . 39928 163 1 Thus thus RB 39928 163 2 the the DT 39928 163 3 fact fact NN 39928 163 4 that that IN 39928 163 5 the the DT 39928 163 6 stars star NNS 39928 163 7 send send VBP 39928 163 8 forth forth RB 39928 163 9 heat heat NN 39928 163 10 to to IN 39928 163 11 the the DT 39928 163 12 worlds world NNS 39928 163 13 which which WDT 39928 163 14 circle circle VBP 39928 163 15 around around IN 39928 163 16 them -PRON- PRP 39928 163 17 suggests suggest VBZ 39928 163 18 at at IN 39928 163 19 once once RB 39928 163 20 the the DT 39928 163 21 thought thought NN 39928 163 22 that that IN 39928 163 23 on on IN 39928 163 24 those those DT 39928 163 25 worlds world NNS 39928 163 26 there there EX 39928 163 27 must must MD 39928 163 28 exist exist VB 39928 163 29 animal animal NN 39928 163 30 and and CC 39928 163 31 vegetable vegetable JJ 39928 163 32 forms form NNS 39928 163 33 of of IN 39928 163 34 life life NN 39928 163 35 . . . 39928 163 36 ' ' '' 39928 164 1 We -PRON- PRP 39928 164 2 may may MD 39928 164 3 note note VB 39928 164 4 that that IN 39928 164 5 in in IN 39928 164 6 the the DT 39928 164 7 first first JJ 39928 164 8 part part NN 39928 164 9 of of IN 39928 164 10 this this DT 39928 164 11 passage passage NN 39928 164 12 the the DT 39928 164 13 presence presence NN 39928 164 14 of of IN 39928 164 15 worlds world NNS 39928 164 16 or or CC 39928 164 17 planets planet NNS 39928 164 18 is be VBZ 39928 164 19 ' ' `` 39928 164 20 suggested suggest VBN 39928 164 21 , , , 39928 164 22 ' ' '' 39928 164 23 while while IN 39928 164 24 later later RB 39928 164 25 on on RB 39928 164 26 ' ' '' 39928 164 27 the the DT 39928 164 28 worlds world NNS 39928 164 29 which which WDT 39928 164 30 circle circle VBP 39928 164 31 round round VBP 39928 164 32 them -PRON- PRP 39928 164 33 ' ' '' 39928 164 34 is be VBZ 39928 164 35 spoken speak VBN 39928 164 36 of of IN 39928 164 37 as as IN 39928 164 38 if if IN 39928 164 39 it -PRON- PRP 39928 164 40 were be VBD 39928 164 41 a a DT 39928 164 42 proved proved JJ 39928 164 43 fact fact NN 39928 164 44 from from IN 39928 164 45 which which WDT 39928 164 46 the the DT 39928 164 47 presence presence NN 39928 164 48 of of IN 39928 164 49 vegetable vegetable NN 39928 164 50 and and CC 39928 164 51 animal animal NN 39928 164 52 life life NN 39928 164 53 may may MD 39928 164 54 be be VB 39928 164 55 inferred infer VBN 39928 164 56 . . . 39928 165 1 A a DT 39928 165 2 suggestion suggestion NN 39928 165 3 depending depend VBG 39928 165 4 on on IN 39928 165 5 a a DT 39928 165 6 preceding precede VBG 39928 165 7 suggestion suggestion NN 39928 165 8 is be VBZ 39928 165 9 not not RB 39928 165 10 a a DT 39928 165 11 very very RB 39928 165 12 firm firm JJ 39928 165 13 basis basis NN 39928 165 14 for for IN 39928 165 15 so so RB 39928 165 16 vast vast JJ 39928 165 17 and and CC 39928 165 18 wide wide RB 39928 165 19 - - HYPH 39928 165 20 reaching reach VBG 39928 165 21 a a DT 39928 165 22 conclusion conclusion NN 39928 165 23 . . . 39928 166 1 In in IN 39928 166 2 the the DT 39928 166 3 second second JJ 39928 166 4 work work NN 39928 166 5 referred refer VBD 39928 166 6 to to IN 39928 166 7 above above IN 39928 166 8 there there EX 39928 166 9 is be VBZ 39928 166 10 one one CD 39928 166 11 chapter chapter NN 39928 166 12 entitled entitle VBN 39928 166 13 , , , 39928 166 14 ' ' '' 39928 166 15 A a DT 39928 166 16 New new JJ 39928 166 17 Theory theory NN 39928 166 18 of of IN 39928 166 19 Life Life NNP 39928 166 20 in in IN 39928 166 21 other other JJ 39928 166 22 Worlds Worlds NNP 39928 166 23 , , , 39928 166 24 ' ' '' 39928 166 25 where where WRB 39928 166 26 the the DT 39928 166 27 author author NN 39928 166 28 gives give VBZ 39928 166 29 his -PRON- PRP$ 39928 166 30 more more RBR 39928 166 31 matured matured JJ 39928 166 32 views view NNS 39928 166 33 of of IN 39928 166 34 the the DT 39928 166 35 question question NN 39928 166 36 , , , 39928 166 37 which which WDT 39928 166 38 are be VBP 39928 166 39 briefly briefly RB 39928 166 40 stated state VBN 39928 166 41 in in IN 39928 166 42 the the DT 39928 166 43 preface preface NN 39928 166 44 as as IN 39928 166 45 being be VBG 39928 166 46 ' ' '' 39928 166 47 that that IN 39928 166 48 the the DT 39928 166 49 weight weight NN 39928 166 50 of of IN 39928 166 51 evidence evidence NN 39928 166 52 favours favour VBZ 39928 166 53 my -PRON- PRP$ 39928 166 54 theory theory NN 39928 166 55 of of IN 39928 166 56 the the DT 39928 166 57 ( ( -LRB- 39928 166 58 relative relative JJ 39928 166 59 ) ) -RRB- 39928 166 60 paucity paucity NN 39928 166 61 of of IN 39928 166 62 worlds world NNS 39928 166 63 . . . 39928 166 64 ' ' '' 39928 167 1 His -PRON- PRP$ 39928 167 2 views view NNS 39928 167 3 are be VBP 39928 167 4 largely largely RB 39928 167 5 founded found VBN 39928 167 6 on on IN 39928 167 7 the the DT 39928 167 8 theory theory NN 39928 167 9 of of IN 39928 167 10 probabilities probability NNS 39928 167 11 , , , 39928 167 12 of of IN 39928 167 13 which which WDT 39928 167 14 subject subject NN 39928 167 15 he -PRON- PRP 39928 167 16 had have VBD 39928 167 17 made make VBN 39928 167 18 a a DT 39928 167 19 special special JJ 39928 167 20 study study NN 39928 167 21 . . . 39928 168 1 Taking take VBG 39928 168 2 first first RB 39928 168 3 our -PRON- PRP$ 39928 168 4 earth earth NN 39928 168 5 , , , 39928 168 6 he -PRON- PRP 39928 168 7 shows show VBZ 39928 168 8 that that IN 39928 168 9 the the DT 39928 168 10 period period NN 39928 168 11 during during IN 39928 168 12 which which WDT 39928 168 13 life life NN 39928 168 14 has have VBZ 39928 168 15 existed exist VBN 39928 168 16 upon upon IN 39928 168 17 it -PRON- PRP 39928 168 18 is be VBZ 39928 168 19 very very RB 39928 168 20 small small JJ 39928 168 21 in in IN 39928 168 22 comparison comparison NN 39928 168 23 with with IN 39928 168 24 that that DT 39928 168 25 during during IN 39928 168 26 which which WDT 39928 168 27 it -PRON- PRP 39928 168 28 must must MD 39928 168 29 have have VB 39928 168 30 been be VBN 39928 168 31 slowly slowly RB 39928 168 32 forming form VBG 39928 168 33 and and CC 39928 168 34 cooling cool VBG 39928 168 35 , , , 39928 168 36 and and CC 39928 168 37 its -PRON- PRP$ 39928 168 38 atmosphere atmosphere NN 39928 168 39 condensing condensing JJ 39928 168 40 so so IN 39928 168 41 as as IN 39928 168 42 to to TO 39928 168 43 form form VB 39928 168 44 land land NN 39928 168 45 and and CC 39928 168 46 water water NN 39928 168 47 on on IN 39928 168 48 its -PRON- PRP$ 39928 168 49 surface surface NN 39928 168 50 . . . 39928 169 1 And and CC 39928 169 2 if if IN 39928 169 3 we -PRON- PRP 39928 169 4 consider consider VBP 39928 169 5 the the DT 39928 169 6 time time NN 39928 169 7 the the DT 39928 169 8 earth earth NN 39928 169 9 has have VBZ 39928 169 10 been be VBN 39928 169 11 occupied occupy VBN 39928 169 12 by by IN 39928 169 13 man man NN 39928 169 14 , , , 39928 169 15 that that DT 39928 169 16 is be VBZ 39928 169 17 a a DT 39928 169 18 very very RB 39928 169 19 minute minute JJ 39928 169 20 part part NN 39928 169 21 , , , 39928 169 22 perhaps perhaps RB 39928 169 23 not not RB 39928 169 24 the the DT 39928 169 25 thousandth thousandth NN 39928 169 26 part part NN 39928 169 27 , , , 39928 169 28 of of IN 39928 169 29 the the DT 39928 169 30 period period NN 39928 169 31 during during IN 39928 169 32 which which WDT 39928 169 33 it -PRON- PRP 39928 169 34 has have VBZ 39928 169 35 existed exist VBN 39928 169 36 as as IN 39928 169 37 a a DT 39928 169 38 planet planet NN 39928 169 39 . . . 39928 170 1 It -PRON- PRP 39928 170 2 follows follow VBZ 39928 170 3 that that IN 39928 170 4 even even RB 39928 170 5 if if IN 39928 170 6 we -PRON- PRP 39928 170 7 consider consider VBP 39928 170 8 only only RB 39928 170 9 those those DT 39928 170 10 planets planet NNS 39928 170 11 whose whose WP$ 39928 170 12 physical physical JJ 39928 170 13 condition condition NN 39928 170 14 seems seem VBZ 39928 170 15 to to IN 39928 170 16 us -PRON- PRP 39928 170 17 to to TO 39928 170 18 be be VB 39928 170 19 such such JJ 39928 170 20 as as IN 39928 170 21 to to TO 39928 170 22 be be VB 39928 170 23 able able JJ 39928 170 24 to to TO 39928 170 25 sustain sustain VB 39928 170 26 life life NN 39928 170 27 , , , 39928 170 28 the the DT 39928 170 29 chances chance NNS 39928 170 30 are be VBP 39928 170 31 perhaps perhaps RB 39928 170 32 hundreds hundred NNS 39928 170 33 to to IN 39928 170 34 one one CD 39928 170 35 against against IN 39928 170 36 their -PRON- PRP$ 39928 170 37 being being NN 39928 170 38 at at IN 39928 170 39 that that DT 39928 170 40 particular particular JJ 39928 170 41 stage stage NN 39928 170 42 when when WRB 39928 170 43 life life NN 39928 170 44 has have VBZ 39928 170 45 begun begin VBN 39928 170 46 to to TO 39928 170 47 be be VB 39928 170 48 developed develop VBN 39928 170 49 , , , 39928 170 50 or or CC 39928 170 51 if if IN 39928 170 52 it -PRON- PRP 39928 170 53 has have VBZ 39928 170 54 begun begin VBN 39928 170 55 has have VBZ 39928 170 56 reached reach VBN 39928 170 57 as as RB 39928 170 58 high high JJ 39928 170 59 a a DT 39928 170 60 development development NN 39928 170 61 as as IN 39928 170 62 on on IN 39928 170 63 our -PRON- PRP$ 39928 170 64 earth earth NN 39928 170 65 . . . 39928 171 1 With with IN 39928 171 2 regard regard NN 39928 171 3 to to IN 39928 171 4 the the DT 39928 171 5 stars star NNS 39928 171 6 , , , 39928 171 7 the the DT 39928 171 8 argument argument NN 39928 171 9 is be VBZ 39928 171 10 still still RB 39928 171 11 stronger strong JJR 39928 171 12 , , , 39928 171 13 because because IN 39928 171 14 the the DT 39928 171 15 epochs epoch NNS 39928 171 16 required require VBN 39928 171 17 for for IN 39928 171 18 their -PRON- PRP$ 39928 171 19 formation formation NN 39928 171 20 are be VBP 39928 171 21 altogether altogether RB 39928 171 22 unknown unknown JJ 39928 171 23 , , , 39928 171 24 while while IN 39928 171 25 as as IN 39928 171 26 to to IN 39928 171 27 the the DT 39928 171 28 conditions condition NNS 39928 171 29 required require VBN 39928 171 30 for for IN 39928 171 31 the the DT 39928 171 32 formation formation NN 39928 171 33 of of IN 39928 171 34 planetary planetary JJ 39928 171 35 systems system NNS 39928 171 36 around around IN 39928 171 37 them -PRON- PRP 39928 171 38 we -PRON- PRP 39928 171 39 are be VBP 39928 171 40 totally totally RB 39928 171 41 ignorant ignorant JJ 39928 171 42 . . . 39928 172 1 To to IN 39928 172 2 this this DT 39928 172 3 I -PRON- PRP 39928 172 4 would would MD 39928 172 5 add add VB 39928 172 6 that that IN 39928 172 7 we -PRON- PRP 39928 172 8 are be VBP 39928 172 9 equally equally RB 39928 172 10 ignorant ignorant JJ 39928 172 11 as as IN 39928 172 12 to to IN 39928 172 13 the the DT 39928 172 14 probability probability NN 39928 172 15 or or CC 39928 172 16 even even RB 39928 172 17 possibility possibility NN 39928 172 18 of of IN 39928 172 19 many many JJ 39928 172 20 of of IN 39928 172 21 these these DT 39928 172 22 suns sun NNS 39928 172 23 producing produce VBG 39928 172 24 planets planet NNS 39928 172 25 which which WDT 39928 172 26 , , , 39928 172 27 by by IN 39928 172 28 their -PRON- PRP$ 39928 172 29 position position NN 39928 172 30 , , , 39928 172 31 size size NN 39928 172 32 , , , 39928 172 33 atmosphere atmosphere NN 39928 172 34 , , , 39928 172 35 or or CC 39928 172 36 other other JJ 39928 172 37 physical physical JJ 39928 172 38 conditions condition NNS 39928 172 39 can can MD 39928 172 40 possibly possibly RB 39928 172 41 become become VB 39928 172 42 life life NN 39928 172 43 - - HYPH 39928 172 44 producing produce VBG 39928 172 45 worlds world NNS 39928 172 46 . . . 39928 173 1 And and CC 39928 173 2 , , , 39928 173 3 as as IN 39928 173 4 we -PRON- PRP 39928 173 5 shall shall MD 39928 173 6 see see VB 39928 173 7 later later RBR 39928 173 8 , , , 39928 173 9 this this DT 39928 173 10 point point NN 39928 173 11 has have VBZ 39928 173 12 been be VBN 39928 173 13 overlooked overlook VBN 39928 173 14 by by IN 39928 173 15 all all DT 39928 173 16 writers writer NNS 39928 173 17 , , , 39928 173 18 including include VBG 39928 173 19 Mr. Mr. NNP 39928 173 20 Proctor Proctor NNP 39928 173 21 himself -PRON- PRP 39928 173 22 . . . 39928 174 1 His -PRON- PRP$ 39928 174 2 conclusion conclusion NN 39928 174 3 is be VBZ 39928 174 4 , , , 39928 174 5 then then RB 39928 174 6 , , , 39928 174 7 that that IN 39928 174 8 although although IN 39928 174 9 the the DT 39928 174 10 worlds world NNS 39928 174 11 which which WDT 39928 174 12 possess possess VBP 39928 174 13 life life NN 39928 174 14 at at RB 39928 174 15 all all RB 39928 174 16 approaching approach VBG 39928 174 17 that that DT 39928 174 18 of of IN 39928 174 19 our -PRON- PRP$ 39928 174 20 earth earth NN 39928 174 21 may may MD 39928 174 22 be be VB 39928 174 23 relatively relatively RB 39928 174 24 few few JJ 39928 174 25 in in IN 39928 174 26 number number NN 39928 174 27 , , , 39928 174 28 yet yet CC 39928 174 29 considering consider VBG 39928 174 30 the the DT 39928 174 31 universe universe NN 39928 174 32 as as IN 39928 174 33 practically practically RB 39928 174 34 infinite infinite JJ 39928 174 35 in in IN 39928 174 36 extent extent NN 39928 174 37 , , , 39928 174 38 they -PRON- PRP 39928 174 39 may may MD 39928 174 40 be be VB 39928 174 41 really really RB 39928 174 42 very very RB 39928 174 43 numerous numerous JJ 39928 174 44 . . . 39928 175 1 It -PRON- PRP 39928 175 2 has have VBZ 39928 175 3 been be VBN 39928 175 4 necessary necessary JJ 39928 175 5 to to TO 39928 175 6 give give VB 39928 175 7 this this DT 39928 175 8 sketch sketch NN 39928 175 9 of of IN 39928 175 10 the the DT 39928 175 11 views view NNS 39928 175 12 of of IN 39928 175 13 those those DT 39928 175 14 who who WP 39928 175 15 have have VBP 39928 175 16 written write VBN 39928 175 17 specially specially RB 39928 175 18 on on IN 39928 175 19 the the DT 39928 175 20 question question NN 39928 175 21 of of IN 39928 175 22 the the DT 39928 175 23 Plurality Plurality NNP 39928 175 24 of of IN 39928 175 25 Worlds Worlds NNP 39928 175 26 , , , 39928 175 27 because because IN 39928 175 28 the the DT 39928 175 29 works work NNS 39928 175 30 referred refer VBD 39928 175 31 to to TO 39928 175 32 have have VB 39928 175 33 been be VBN 39928 175 34 very very RB 39928 175 35 widely widely RB 39928 175 36 read read VBN 39928 175 37 and and CC 39928 175 38 have have VBP 39928 175 39 influenced influence VBN 39928 175 40 educated educate VBN 39928 175 41 opinion opinion NN 39928 175 42 throughout throughout IN 39928 175 43 the the DT 39928 175 44 world world NN 39928 175 45 . . . 39928 176 1 Moreover moreover RB 39928 176 2 , , , 39928 176 3 Mr. Mr. NNP 39928 176 4 Proctor Proctor NNP 39928 176 5 , , , 39928 176 6 in in IN 39928 176 7 his -PRON- PRP$ 39928 176 8 last last JJ 39928 176 9 work work NN 39928 176 10 on on IN 39928 176 11 the the DT 39928 176 12 subject subject NN 39928 176 13 , , , 39928 176 14 speaks speak VBZ 39928 176 15 of of IN 39928 176 16 the the DT 39928 176 17 theory theory NN 39928 176 18 as as IN 39928 176 19 being be VBG 39928 176 20 ' ' '' 39928 176 21 identified identify VBN 39928 176 22 with with IN 39928 176 23 modern modern JJ 39928 176 24 astronomy astronomy NN 39928 176 25 ' ' '' 39928 176 26 ; ; : 39928 176 27 and and CC 39928 176 28 in in IN 39928 176 29 fact fact NN 39928 176 30 popular popular JJ 39928 176 31 works work NNS 39928 176 32 still still RB 39928 176 33 discuss discuss VBP 39928 176 34 it -PRON- PRP 39928 176 35 . . . 39928 177 1 But but CC 39928 177 2 all all PDT 39928 177 3 these these DT 39928 177 4 follow follow VBP 39928 177 5 the the DT 39928 177 6 same same JJ 39928 177 7 general general JJ 39928 177 8 line line NN 39928 177 9 of of IN 39928 177 10 argument argument NN 39928 177 11 as as IN 39928 177 12 those those DT 39928 177 13 already already RB 39928 177 14 referred refer VBD 39928 177 15 to to IN 39928 177 16 , , , 39928 177 17 and and CC 39928 177 18 the the DT 39928 177 19 curious curious JJ 39928 177 20 thing thing NN 39928 177 21 is be VBZ 39928 177 22 that that IN 39928 177 23 while while IN 39928 177 24 overlooking overlook VBG 39928 177 25 many many JJ 39928 177 26 of of IN 39928 177 27 the the DT 39928 177 28 most most RBS 39928 177 29 essential essential JJ 39928 177 30 conditions condition NNS 39928 177 31 they -PRON- PRP 39928 177 32 often often RB 39928 177 33 introduce introduce VBP 39928 177 34 others other NNS 39928 177 35 which which WDT 39928 177 36 are be VBP 39928 177 37 by by IN 39928 177 38 no no DT 39928 177 39 means means NN 39928 177 40 essential essential JJ 39928 177 41 -- -- : 39928 177 42 as as IN 39928 177 43 , , , 39928 177 44 for for IN 39928 177 45 instance instance NN 39928 177 46 , , , 39928 177 47 that that IN 39928 177 48 the the DT 39928 177 49 atmosphere atmosphere NN 39928 177 50 must must MD 39928 177 51 have have VB 39928 177 52 the the DT 39928 177 53 same same JJ 39928 177 54 proportion proportion NN 39928 177 55 of of IN 39928 177 56 oxygen oxygen NN 39928 177 57 as as IN 39928 177 58 our -PRON- PRP$ 39928 177 59 own own JJ 39928 177 60 . . . 39928 178 1 They -PRON- PRP 39928 178 2 seem seem VBP 39928 178 3 to to TO 39928 178 4 think think VB 39928 178 5 that that IN 39928 178 6 if if IN 39928 178 7 any any DT 39928 178 8 of of IN 39928 178 9 our -PRON- PRP$ 39928 178 10 quadrupeds quadruped NNS 39928 178 11 or or CC 39928 178 12 birds bird NNS 39928 178 13 taken take VBN 39928 178 14 to to IN 39928 178 15 another another DT 39928 178 16 planet planet NN 39928 178 17 could could MD 39928 178 18 not not RB 39928 178 19 live live VB 39928 178 20 there there RB 39928 178 21 , , , 39928 178 22 no no DT 39928 178 23 animals animal NNS 39928 178 24 of of IN 39928 178 25 equally equally RB 39928 178 26 high high JJ 39928 178 27 organisation organisation NN 39928 178 28 could could MD 39928 178 29 inhabit inhabit VB 39928 178 30 it -PRON- PRP 39928 178 31 ; ; : 39928 178 32 entirely entirely RB 39928 178 33 overlooking overlook VBG 39928 178 34 the the DT 39928 178 35 very very RB 39928 178 36 obvious obvious JJ 39928 178 37 fact fact NN 39928 178 38 that that IN 39928 178 39 , , , 39928 178 40 supposing suppose VBG 39928 178 41 , , , 39928 178 42 as as IN 39928 178 43 is be VBZ 39928 178 44 almost almost RB 39928 178 45 certain certain JJ 39928 178 46 , , , 39928 178 47 that that DT 39928 178 48 oxygen oxygen NN 39928 178 49 is be VBZ 39928 178 50 necessary necessary JJ 39928 178 51 for for IN 39928 178 52 life life NN 39928 178 53 , , , 39928 178 54 then then RB 39928 178 55 , , , 39928 178 56 whatever whatever WDT 39928 178 57 proportion proportion NN 39928 178 58 of of IN 39928 178 59 oxygen oxygen NN 39928 178 60 within within IN 39928 178 61 certain certain JJ 39928 178 62 limits limit NNS 39928 178 63 was be VBD 39928 178 64 present present JJ 39928 178 65 , , , 39928 178 66 the the DT 39928 178 67 forms form NNS 39928 178 68 of of IN 39928 178 69 life life NN 39928 178 70 that that WDT 39928 178 71 arose arise VBD 39928 178 72 would would MD 39928 178 73 necessarily necessarily RB 39928 178 74 be be VB 39928 178 75 organised organise VBN 39928 178 76 in in IN 39928 178 77 adaptation adaptation NN 39928 178 78 to to IN 39928 178 79 that that DT 39928 178 80 proportion proportion NN 39928 178 81 , , , 39928 178 82 which which WDT 39928 178 83 might may MD 39928 178 84 be be VB 39928 178 85 considerably considerably RB 39928 178 86 less less JJR 39928 178 87 or or CC 39928 178 88 greater great JJR 39928 178 89 than than IN 39928 178 90 on on IN 39928 178 91 the the DT 39928 178 92 earth earth NN 39928 178 93 . . . 39928 179 1 The the DT 39928 179 2 present present JJ 39928 179 3 volume volume NN 39928 179 4 will will MD 39928 179 5 show show VB 39928 179 6 how how WRB 39928 179 7 extremely extremely RB 39928 179 8 inadequate inadequate JJ 39928 179 9 has have VBZ 39928 179 10 been be VBN 39928 179 11 the the DT 39928 179 12 treatment treatment NN 39928 179 13 of of IN 39928 179 14 this this DT 39928 179 15 question question NN 39928 179 16 , , , 39928 179 17 which which WDT 39928 179 18 involves involve VBZ 39928 179 19 a a DT 39928 179 20 variety variety NN 39928 179 21 of of IN 39928 179 22 important important JJ 39928 179 23 considerations consideration NNS 39928 179 24 hitherto hitherto VBN 39928 179 25 altogether altogether RB 39928 179 26 overlooked overlook VBD 39928 179 27 . . . 39928 180 1 These these DT 39928 180 2 are be VBP 39928 180 3 extremely extremely RB 39928 180 4 numerous numerous JJ 39928 180 5 and and CC 39928 180 6 very very RB 39928 180 7 varied varied JJ 39928 180 8 in in IN 39928 180 9 their -PRON- PRP$ 39928 180 10 character character NN 39928 180 11 , , , 39928 180 12 and and CC 39928 180 13 the the DT 39928 180 14 fact fact NN 39928 180 15 that that IN 39928 180 16 they -PRON- PRP 39928 180 17 all all DT 39928 180 18 point point VBP 39928 180 19 to to IN 39928 180 20 one one CD 39928 180 21 conclusion conclusion NN 39928 180 22 -- -- : 39928 180 23 a a DT 39928 180 24 conclusion conclusion NN 39928 180 25 which which WDT 39928 180 26 so so RB 39928 180 27 far far RB 39928 180 28 as as IN 39928 180 29 I -PRON- PRP 39928 180 30 am be VBP 39928 180 31 aware aware JJ 39928 180 32 no no DT 39928 180 33 previous previous JJ 39928 180 34 writer writer NN 39928 180 35 has have VBZ 39928 180 36 reached reach VBN 39928 180 37 -- -- : 39928 180 38 renders render VBZ 39928 180 39 it -PRON- PRP 39928 180 40 at at IN 39928 180 41 least least JJS 39928 180 42 worthy worthy JJ 39928 180 43 of of IN 39928 180 44 the the DT 39928 180 45 careful careful JJ 39928 180 46 consideration consideration NN 39928 180 47 of of IN 39928 180 48 all all DT 39928 180 49 unbiassed unbiasse VBN 39928 180 50 thinkers thinker NNS 39928 180 51 . . . 39928 181 1 The the DT 39928 181 2 whole whole JJ 39928 181 3 subject subject NN 39928 181 4 is be VBZ 39928 181 5 one one NN 39928 181 6 as as IN 39928 181 7 to to TO 39928 181 8 which which WDT 39928 181 9 no no DT 39928 181 10 direct direct JJ 39928 181 11 evidence evidence NN 39928 181 12 is be VBZ 39928 181 13 obtainable obtainable JJ 39928 181 14 , , , 39928 181 15 but but CC 39928 181 16 I -PRON- PRP 39928 181 17 venture venture VBP 39928 181 18 to to TO 39928 181 19 think think VB 39928 181 20 that that IN 39928 181 21 the the DT 39928 181 22 convergence convergence NN 39928 181 23 of of IN 39928 181 24 so so RB 39928 181 25 many many JJ 39928 181 26 probabilities probability NNS 39928 181 27 and and CC 39928 181 28 indications indication NNS 39928 181 29 towards towards IN 39928 181 30 a a DT 39928 181 31 single single JJ 39928 181 32 definite definite JJ 39928 181 33 theory theory NN 39928 181 34 , , , 39928 181 35 intimately intimately RB 39928 181 36 connected connect VBN 39928 181 37 with with IN 39928 181 38 the the DT 39928 181 39 nature nature NN 39928 181 40 and and CC 39928 181 41 destiny destiny NN 39928 181 42 of of IN 39928 181 43 man man NN 39928 181 44 himself -PRON- PRP 39928 181 45 , , , 39928 181 46 raises raise VBZ 39928 181 47 this this DT 39928 181 48 theory theory NN 39928 181 49 to to IN 39928 181 50 a a DT 39928 181 51 very very RB 39928 181 52 much much RB 39928 181 53 higher high JJR 39928 181 54 level level NN 39928 181 55 of of IN 39928 181 56 probability probability NN 39928 181 57 than than IN 39928 181 58 the the DT 39928 181 59 vague vague JJ 39928 181 60 possibilities possibility NNS 39928 181 61 and and CC 39928 181 62 theological theological JJ 39928 181 63 suggestions suggestion NNS 39928 181 64 which which WDT 39928 181 65 are be VBP 39928 181 66 the the DT 39928 181 67 utmost utmost JJ 39928 181 68 that that WDT 39928 181 69 have have VBP 39928 181 70 been be VBN 39928 181 71 adduced adduce VBN 39928 181 72 by by IN 39928 181 73 previous previous JJ 39928 181 74 writers writer NNS 39928 181 75 . . . 39928 182 1 In in IN 39928 182 2 order order NN 39928 182 3 to to TO 39928 182 4 make make VB 39928 182 5 every every DT 39928 182 6 step step NN 39928 182 7 of of IN 39928 182 8 my -PRON- PRP$ 39928 182 9 argument argument NN 39928 182 10 clearly clearly RB 39928 182 11 intelligible intelligible JJ 39928 182 12 to to IN 39928 182 13 all all DT 39928 182 14 educated educate VBN 39928 182 15 readers reader NNS 39928 182 16 , , , 39928 182 17 it -PRON- PRP 39928 182 18 will will MD 39928 182 19 be be VB 39928 182 20 necessary necessary JJ 39928 182 21 to to TO 39928 182 22 refer refer VB 39928 182 23 continually continually RB 39928 182 24 to to IN 39928 182 25 the the DT 39928 182 26 marvellous marvellous JJ 39928 182 27 extension extension NN 39928 182 28 of of IN 39928 182 29 our -PRON- PRP$ 39928 182 30 knowledge knowledge NN 39928 182 31 of of IN 39928 182 32 the the DT 39928 182 33 universe universe NN 39928 182 34 obtained obtain VBN 39928 182 35 during during IN 39928 182 36 the the DT 39928 182 37 last last JJ 39928 182 38 half half JJ 39928 182 39 - - HYPH 39928 182 40 century century NN 39928 182 41 , , , 39928 182 42 and and CC 39928 182 43 constituting constitute VBG 39928 182 44 what what WP 39928 182 45 is be VBZ 39928 182 46 termed term VBN 39928 182 47 the the DT 39928 182 48 New New NNP 39928 182 49 Astronomy Astronomy NNP 39928 182 50 . . . 39928 183 1 The the DT 39928 183 2 next next JJ 39928 183 3 chapter chapter NN 39928 183 4 will will MD 39928 183 5 therefore therefore RB 39928 183 6 be be VB 39928 183 7 devoted devoted JJ 39928 183 8 to to IN 39928 183 9 a a DT 39928 183 10 popular popular JJ 39928 183 11 exposition exposition NN 39928 183 12 of of IN 39928 183 13 the the DT 39928 183 14 new new JJ 39928 183 15 methods method NNS 39928 183 16 of of IN 39928 183 17 research research NN 39928 183 18 , , , 39928 183 19 so so IN 39928 183 20 that that IN 39928 183 21 the the DT 39928 183 22 results result NNS 39928 183 23 reached reach VBD 39928 183 24 , , , 39928 183 25 which which WDT 39928 183 26 will will MD 39928 183 27 have have VB 39928 183 28 to to TO 39928 183 29 be be VB 39928 183 30 referred refer VBN 39928 183 31 to to IN 39928 183 32 in in IN 39928 183 33 succeeding succeed VBG 39928 183 34 chapters chapter NNS 39928 183 35 , , , 39928 183 36 may may MD 39928 183 37 be be VB 39928 183 38 not not RB 39928 183 39 only only RB 39928 183 40 accepted accept VBN 39928 183 41 , , , 39928 183 42 but but CC 39928 183 43 clearly clearly RB 39928 183 44 understood understand VBN 39928 183 45 . . . 39928 184 1 CHAPTER CHAPTER NNP 39928 184 2 III III NNP 39928 184 3 THE the DT 39928 184 4 NEW new JJ 39928 184 5 ASTRONOMY astronomy NN 39928 184 6 During during IN 39928 184 7 the the DT 39928 184 8 latter latter JJ 39928 184 9 half half NN 39928 184 10 of of IN 39928 184 11 the the DT 39928 184 12 nineteenth nineteenth JJ 39928 184 13 century century NN 39928 184 14 discoveries discovery NNS 39928 184 15 were be VBD 39928 184 16 made make VBN 39928 184 17 which which WDT 39928 184 18 extended extend VBD 39928 184 19 the the DT 39928 184 20 powers power NNS 39928 184 21 of of IN 39928 184 22 astronomical astronomical JJ 39928 184 23 research research NN 39928 184 24 into into IN 39928 184 25 entirely entirely RB 39928 184 26 new new JJ 39928 184 27 and and CC 39928 184 28 unexpected unexpected JJ 39928 184 29 regions region NNS 39928 184 30 , , , 39928 184 31 comparable comparable JJ 39928 184 32 to to IN 39928 184 33 those those DT 39928 184 34 which which WDT 39928 184 35 were be VBD 39928 184 36 opened open VBN 39928 184 37 up up RP 39928 184 38 by by IN 39928 184 39 the the DT 39928 184 40 discovery discovery NN 39928 184 41 of of IN 39928 184 42 the the DT 39928 184 43 telescope telescope NN 39928 184 44 more more JJR 39928 184 45 than than IN 39928 184 46 two two CD 39928 184 47 centuries century NNS 39928 184 48 before before RB 39928 184 49 . . . 39928 185 1 The the DT 39928 185 2 older old JJR 39928 185 3 astronomy astronomy NN 39928 185 4 for for IN 39928 185 5 more more JJR 39928 185 6 than than IN 39928 185 7 two two CD 39928 185 8 thousand thousand CD 39928 185 9 years year NNS 39928 185 10 was be VBD 39928 185 11 purely purely RB 39928 185 12 mechanical mechanical JJ 39928 185 13 and and CC 39928 185 14 mathematical mathematical JJ 39928 185 15 , , , 39928 185 16 being be VBG 39928 185 17 limited limit VBN 39928 185 18 to to IN 39928 185 19 observation observation NN 39928 185 20 and and CC 39928 185 21 measurement measurement NN 39928 185 22 of of IN 39928 185 23 the the DT 39928 185 24 apparent apparent JJ 39928 185 25 motions motion NNS 39928 185 26 of of IN 39928 185 27 the the DT 39928 185 28 heavenly heavenly JJ 39928 185 29 bodies body NNS 39928 185 30 , , , 39928 185 31 and and CC 39928 185 32 the the DT 39928 185 33 attempts attempt NNS 39928 185 34 to to TO 39928 185 35 deduce deduce VB 39928 185 36 , , , 39928 185 37 from from IN 39928 185 38 these these DT 39928 185 39 apparent apparent JJ 39928 185 40 motions motion NNS 39928 185 41 , , , 39928 185 42 their -PRON- PRP$ 39928 185 43 real real JJ 39928 185 44 motions motion NNS 39928 185 45 , , , 39928 185 46 and and CC 39928 185 47 thus thus RB 39928 185 48 determine determine VB 39928 185 49 the the DT 39928 185 50 actual actual JJ 39928 185 51 structure structure NN 39928 185 52 of of IN 39928 185 53 the the DT 39928 185 54 solar solar JJ 39928 185 55 system system NN 39928 185 56 . . . 39928 186 1 This this DT 39928 186 2 was be VBD 39928 186 3 first first RB 39928 186 4 done do VBN 39928 186 5 when when WRB 39928 186 6 Kepler Kepler NNP 39928 186 7 established establish VBD 39928 186 8 his -PRON- PRP$ 39928 186 9 three three CD 39928 186 10 celebrated celebrated JJ 39928 186 11 laws law NNS 39928 186 12 : : : 39928 186 13 and and CC 39928 186 14 later later RBR 39928 186 15 , , , 39928 186 16 when when WRB 39928 186 17 Newton Newton NNP 39928 186 18 showed show VBD 39928 186 19 that that IN 39928 186 20 these these DT 39928 186 21 laws law NNS 39928 186 22 were be VBD 39928 186 23 necessary necessary JJ 39928 186 24 consequences consequence NNS 39928 186 25 of of IN 39928 186 26 the the DT 39928 186 27 one one CD 39928 186 28 law law NN 39928 186 29 of of IN 39928 186 30 gravitation gravitation NN 39928 186 31 , , , 39928 186 32 and and CC 39928 186 33 when when WRB 39928 186 34 succeeding succeed VBG 39928 186 35 observers observer NNS 39928 186 36 and and CC 39928 186 37 mathematicians mathematician NNS 39928 186 38 proved prove VBD 39928 186 39 that that IN 39928 186 40 each each DT 39928 186 41 fresh fresh JJ 39928 186 42 irregularity irregularity NN 39928 186 43 in in IN 39928 186 44 the the DT 39928 186 45 motions motion NNS 39928 186 46 of of IN 39928 186 47 the the DT 39928 186 48 planets planet NNS 39928 186 49 was be VBD 39928 186 50 explicable explicable JJ 39928 186 51 by by IN 39928 186 52 a a DT 39928 186 53 more more RBR 39928 186 54 thorough thorough JJ 39928 186 55 and and CC 39928 186 56 minute minute NN 39928 186 57 application application NN 39928 186 58 of of IN 39928 186 59 the the DT 39928 186 60 same same JJ 39928 186 61 laws law NNS 39928 186 62 , , , 39928 186 63 this this DT 39928 186 64 branch branch NN 39928 186 65 of of IN 39928 186 66 astronomy astronomy NN 39928 186 67 reached reach VBD 39928 186 68 its -PRON- PRP$ 39928 186 69 highest high JJS 39928 186 70 point point NN 39928 186 71 of of IN 39928 186 72 efficiency efficiency NN 39928 186 73 and and CC 39928 186 74 left leave VBD 39928 186 75 very very RB 39928 186 76 little little RB 39928 186 77 more more JJR 39928 186 78 to to TO 39928 186 79 be be VB 39928 186 80 desired desire VBN 39928 186 81 . . . 39928 187 1 Then then RB 39928 187 2 , , , 39928 187 3 as as IN 39928 187 4 the the DT 39928 187 5 telescope telescope NN 39928 187 6 became become VBD 39928 187 7 successively successively RB 39928 187 8 improved improve VBN 39928 187 9 , , , 39928 187 10 the the DT 39928 187 11 centre centre NN 39928 187 12 of of IN 39928 187 13 interest interest NN 39928 187 14 was be VBD 39928 187 15 shifted shift VBN 39928 187 16 to to IN 39928 187 17 the the DT 39928 187 18 surfaces surface NNS 39928 187 19 of of IN 39928 187 20 the the DT 39928 187 21 planets planet NNS 39928 187 22 and and CC 39928 187 23 their -PRON- PRP$ 39928 187 24 satellites satellite NNS 39928 187 25 , , , 39928 187 26 which which WDT 39928 187 27 were be VBD 39928 187 28 watched watch VBN 39928 187 29 and and CC 39928 187 30 scrutinised scrutinise VBN 39928 187 31 with with IN 39928 187 32 the the DT 39928 187 33 greatest great JJS 39928 187 34 assiduity assiduity NN 39928 187 35 in in IN 39928 187 36 order order NN 39928 187 37 if if IN 39928 187 38 possible possible JJ 39928 187 39 to to TO 39928 187 40 attain attain VB 39928 187 41 some some DT 39928 187 42 amount amount NN 39928 187 43 of of IN 39928 187 44 knowledge knowledge NN 39928 187 45 of of IN 39928 187 46 their -PRON- PRP$ 39928 187 47 physical physical JJ 39928 187 48 constitution constitution NN 39928 187 49 and and CC 39928 187 50 past past JJ 39928 187 51 history history NN 39928 187 52 . . . 39928 188 1 A a DT 39928 188 2 similar similar JJ 39928 188 3 minute minute NN 39928 188 4 scrutiny scrutiny NN 39928 188 5 was be VBD 39928 188 6 given give VBN 39928 188 7 to to IN 39928 188 8 the the DT 39928 188 9 stars star NNS 39928 188 10 and and CC 39928 188 11 nebulæ nebulæ NN 39928 188 12 , , , 39928 188 13 their -PRON- PRP$ 39928 188 14 distribution distribution NN 39928 188 15 and and CC 39928 188 16 grouping grouping NN 39928 188 17 , , , 39928 188 18 and and CC 39928 188 19 the the DT 39928 188 20 whole whole JJ 39928 188 21 heavens heaven NNS 39928 188 22 were be VBD 39928 188 23 mapped map VBN 39928 188 24 out out RP 39928 188 25 , , , 39928 188 26 and and CC 39928 188 27 elaborate elaborate JJ 39928 188 28 catalogues catalogue NNS 39928 188 29 constructed construct VBN 39928 188 30 by by IN 39928 188 31 enthusiastic enthusiastic JJ 39928 188 32 astronomers astronomer NNS 39928 188 33 in in IN 39928 188 34 every every DT 39928 188 35 part part NN 39928 188 36 of of IN 39928 188 37 the the DT 39928 188 38 world world NN 39928 188 39 . . . 39928 189 1 Others other NNS 39928 189 2 devoted devote VBD 39928 189 3 themselves -PRON- PRP 39928 189 4 to to IN 39928 189 5 the the DT 39928 189 6 immensely immensely RB 39928 189 7 difficult difficult JJ 39928 189 8 problem problem NN 39928 189 9 of of IN 39928 189 10 determining determine VBG 39928 189 11 the the DT 39928 189 12 distances distance NNS 39928 189 13 of of IN 39928 189 14 the the DT 39928 189 15 stars star NNS 39928 189 16 , , , 39928 189 17 and and CC 39928 189 18 by by IN 39928 189 19 the the DT 39928 189 20 middle middle NN 39928 189 21 of of IN 39928 189 22 the the DT 39928 189 23 century century NN 39928 189 24 a a DT 39928 189 25 few few JJ 39928 189 26 such such JJ 39928 189 27 distances distance NNS 39928 189 28 had have VBD 39928 189 29 been be VBN 39928 189 30 satisfactorily satisfactorily RB 39928 189 31 measured measure VBN 39928 189 32 . . . 39928 190 1 Thus thus RB 39928 190 2 , , , 39928 190 3 up up IN 39928 190 4 to to IN 39928 190 5 the the DT 39928 190 6 middle middle NN 39928 190 7 of of IN 39928 190 8 the the DT 39928 190 9 nineteenth nineteenth JJ 39928 190 10 century century NN 39928 190 11 it -PRON- PRP 39928 190 12 appeared appear VBD 39928 190 13 likely likely JJ 39928 190 14 that that IN 39928 190 15 the the DT 39928 190 16 future future NN 39928 190 17 of of IN 39928 190 18 astronomy astronomy NN 39928 190 19 would would MD 39928 190 20 rest rest VB 39928 190 21 almost almost RB 39928 190 22 entirely entirely RB 39928 190 23 on on IN 39928 190 24 the the DT 39928 190 25 improvement improvement NN 39928 190 26 of of IN 39928 190 27 the the DT 39928 190 28 telescope telescope NN 39928 190 29 , , , 39928 190 30 and and CC 39928 190 31 of of IN 39928 190 32 the the DT 39928 190 33 various various JJ 39928 190 34 instruments instrument NNS 39928 190 35 of of IN 39928 190 36 measurement measurement NN 39928 190 37 by by IN 39928 190 38 means mean NNS 39928 190 39 of of IN 39928 190 40 which which WDT 39928 190 41 more more RBR 39928 190 42 accurate accurate JJ 39928 190 43 determinations determination NNS 39928 190 44 of of IN 39928 190 45 distances distance NNS 39928 190 46 might may MD 39928 190 47 be be VB 39928 190 48 obtained obtain VBN 39928 190 49 . . . 39928 191 1 Indeed indeed RB 39928 191 2 , , , 39928 191 3 the the DT 39928 191 4 author author NN 39928 191 5 of of IN 39928 191 6 the the DT 39928 191 7 Positive Positive NNP 39928 191 8 Philosophy Philosophy NNP 39928 191 9 , , , 39928 191 10 Auguste Auguste NNP 39928 191 11 Comte Comte NNP 39928 191 12 , , , 39928 191 13 felt feel VBD 39928 191 14 so so RB 39928 191 15 sure sure JJ 39928 191 16 of of IN 39928 191 17 this this DT 39928 191 18 that that WDT 39928 191 19 he -PRON- PRP 39928 191 20 deprecated deprecate VBD 39928 191 21 all all DT 39928 191 22 further further JJ 39928 191 23 attention attention NN 39928 191 24 to to IN 39928 191 25 the the DT 39928 191 26 stars star NNS 39928 191 27 as as IN 39928 191 28 pure pure JJ 39928 191 29 waste waste NN 39928 191 30 of of IN 39928 191 31 time time NN 39928 191 32 that that WDT 39928 191 33 could could MD 39928 191 34 never never RB 39928 191 35 lead lead VB 39928 191 36 to to IN 39928 191 37 any any DT 39928 191 38 useful useful JJ 39928 191 39 or or CC 39928 191 40 interesting interesting JJ 39928 191 41 result result NN 39928 191 42 . . . 39928 192 1 In in IN 39928 192 2 his -PRON- PRP$ 39928 192 3 _ _ NNP 39928 192 4 Philosophical Philosophical NNP 39928 192 5 Treatise Treatise NNP 39928 192 6 on on IN 39928 192 7 Popular Popular NNP 39928 192 8 Astronomy Astronomy NNP 39928 192 9 _ _ NNP 39928 192 10 published publish VBD 39928 192 11 in in IN 39928 192 12 1844 1844 CD 39928 192 13 , , , 39928 192 14 he -PRON- PRP 39928 192 15 wrote write VBD 39928 192 16 very very RB 39928 192 17 strongly strongly RB 39928 192 18 on on IN 39928 192 19 this this DT 39928 192 20 point point NN 39928 192 21 . . . 39928 193 1 He -PRON- PRP 39928 193 2 there there EX 39928 193 3 tells tell VBZ 39928 193 4 us -PRON- PRP 39928 193 5 that that IN 39928 193 6 , , , 39928 193 7 as as IN 39928 193 8 the the DT 39928 193 9 stars star NNS 39928 193 10 are be VBP 39928 193 11 only only RB 39928 193 12 accessible accessible JJ 39928 193 13 to to IN 39928 193 14 us -PRON- PRP 39928 193 15 by by IN 39928 193 16 sight sight NN 39928 193 17 they -PRON- PRP 39928 193 18 must must MD 39928 193 19 always always RB 39928 193 20 remain remain VB 39928 193 21 very very RB 39928 193 22 imperfectly imperfectly RB 39928 193 23 known know VBN 39928 193 24 . . . 39928 194 1 We -PRON- PRP 39928 194 2 can can MD 39928 194 3 know know VB 39928 194 4 little little RB 39928 194 5 more more JJR 39928 194 6 than than IN 39928 194 7 their -PRON- PRP$ 39928 194 8 mere mere JJ 39928 194 9 existence existence NN 39928 194 10 . . . 39928 195 1 Even even RB 39928 195 2 as as IN 39928 195 3 regards regard VBZ 39928 195 4 so so RB 39928 195 5 simple simple JJ 39928 195 6 a a DT 39928 195 7 phenomenon phenomenon NN 39928 195 8 as as IN 39928 195 9 their -PRON- PRP$ 39928 195 10 temperature temperature NN 39928 195 11 this this DT 39928 195 12 must must MD 39928 195 13 always always RB 39928 195 14 be be VB 39928 195 15 inappreciable inappreciable JJ 39928 195 16 to to IN 39928 195 17 a a DT 39928 195 18 purely purely RB 39928 195 19 visual visual JJ 39928 195 20 examination examination NN 39928 195 21 . . . 39928 196 1 Our -PRON- PRP$ 39928 196 2 knowledge knowledge NN 39928 196 3 of of IN 39928 196 4 the the DT 39928 196 5 stars star NNS 39928 196 6 is be VBZ 39928 196 7 for for IN 39928 196 8 the the DT 39928 196 9 most most JJS 39928 196 10 part part NN 39928 196 11 purely purely RB 39928 196 12 negative negative JJ 39928 196 13 , , , 39928 196 14 that that RB 39928 196 15 is is RB 39928 196 16 , , , 39928 196 17 we -PRON- PRP 39928 196 18 can can MD 39928 196 19 determine determine VB 39928 196 20 only only RB 39928 196 21 that that IN 39928 196 22 they -PRON- PRP 39928 196 23 do do VBP 39928 196 24 _ _ NNP 39928 196 25 not not RB 39928 196 26 _ _ NNP 39928 196 27 belong belong VBP 39928 196 28 to to IN 39928 196 29 our -PRON- PRP$ 39928 196 30 system system NN 39928 196 31 . . . 39928 197 1 Outside outside IN 39928 197 2 that that DT 39928 197 3 system system NN 39928 197 4 there there EX 39928 197 5 exists exist VBZ 39928 197 6 , , , 39928 197 7 in in IN 39928 197 8 astronomy astronomy NN 39928 197 9 , , , 39928 197 10 only only RB 39928 197 11 obscurity obscurity NN 39928 197 12 and and CC 39928 197 13 confusion confusion NN 39928 197 14 , , , 39928 197 15 for for IN 39928 197 16 want want NN 39928 197 17 of of IN 39928 197 18 indispensable indispensable JJ 39928 197 19 facts fact NNS 39928 197 20 ; ; : 39928 197 21 and and CC 39928 197 22 he -PRON- PRP 39928 197 23 concludes conclude VBZ 39928 197 24 thus:--'It thus:--'it CD 39928 197 25 is be VBZ 39928 197 26 , , , 39928 197 27 then then RB 39928 197 28 , , , 39928 197 29 in in IN 39928 197 30 vain vain JJ 39928 197 31 that that IN 39928 197 32 for for IN 39928 197 33 half half PDT 39928 197 34 a a DT 39928 197 35 century century NN 39928 197 36 it -PRON- PRP 39928 197 37 has have VBZ 39928 197 38 been be VBN 39928 197 39 endeavoured endeavour VBN 39928 197 40 to to TO 39928 197 41 distinguish distinguish VB 39928 197 42 two two CD 39928 197 43 astronomies astronomy NNS 39928 197 44 , , , 39928 197 45 the the DT 39928 197 46 one one CD 39928 197 47 solar solar NN 39928 197 48 the the DT 39928 197 49 other other JJ 39928 197 50 sidereal sidereal NN 39928 197 51 . . . 39928 198 1 In in IN 39928 198 2 the the DT 39928 198 3 eyes eye NNS 39928 198 4 of of IN 39928 198 5 those those DT 39928 198 6 for for IN 39928 198 7 whom whom WP 39928 198 8 science science NN 39928 198 9 consists consist VBZ 39928 198 10 of of IN 39928 198 11 real real JJ 39928 198 12 laws law NNS 39928 198 13 and and CC 39928 198 14 not not RB 39928 198 15 of of IN 39928 198 16 incoherent incoherent JJ 39928 198 17 facts fact NNS 39928 198 18 , , , 39928 198 19 the the DT 39928 198 20 second second JJ 39928 198 21 exists exist VBZ 39928 198 22 only only RB 39928 198 23 in in IN 39928 198 24 name name NN 39928 198 25 , , , 39928 198 26 and and CC 39928 198 27 the the DT 39928 198 28 first first JJ 39928 198 29 alone alone RB 39928 198 30 constitutes constitute VBZ 39928 198 31 a a DT 39928 198 32 true true JJ 39928 198 33 astronomy astronomy NN 39928 198 34 ; ; : 39928 198 35 and and CC 39928 198 36 I -PRON- PRP 39928 198 37 am be VBP 39928 198 38 not not RB 39928 198 39 afraid afraid JJ 39928 198 40 to to TO 39928 198 41 assert assert VB 39928 198 42 that that IN 39928 198 43 it -PRON- PRP 39928 198 44 will will MD 39928 198 45 always always RB 39928 198 46 be be VB 39928 198 47 so so RB 39928 198 48 . . . 39928 198 49 ' ' '' 39928 199 1 And and CC 39928 199 2 he -PRON- PRP 39928 199 3 adds add VBZ 39928 199 4 that--'all that--'all DT 39928 199 5 efforts effort NNS 39928 199 6 directed direct VBN 39928 199 7 to to IN 39928 199 8 this this DT 39928 199 9 subject subject NN 39928 199 10 for for IN 39928 199 11 half half PDT 39928 199 12 a a DT 39928 199 13 century century NN 39928 199 14 have have VBP 39928 199 15 only only RB 39928 199 16 produced produce VBN 39928 199 17 an an DT 39928 199 18 accumulation accumulation NN 39928 199 19 of of IN 39928 199 20 incoherent incoherent JJ 39928 199 21 empirical empirical JJ 39928 199 22 facts fact NNS 39928 199 23 which which WDT 39928 199 24 can can MD 39928 199 25 only only RB 39928 199 26 interest interest VB 39928 199 27 an an DT 39928 199 28 irrational irrational JJ 39928 199 29 curiosity curiosity NN 39928 199 30 . . . 39928 199 31 ' ' '' 39928 200 1 Seldom seldom RB 39928 200 2 has have VBZ 39928 200 3 a a DT 39928 200 4 confident confident JJ 39928 200 5 assertion assertion NN 39928 200 6 of of IN 39928 200 7 finality finality NN 39928 200 8 in in IN 39928 200 9 science science NN 39928 200 10 received receive VBD 39928 200 11 so so RB 39928 200 12 crushing crush VBG 39928 200 13 a a DT 39928 200 14 reply reply NN 39928 200 15 as as IN 39928 200 16 was be VBD 39928 200 17 given give VBN 39928 200 18 to to IN 39928 200 19 the the DT 39928 200 20 above above JJ 39928 200 21 statements statement NNS 39928 200 22 of of IN 39928 200 23 Comte Comte NNP 39928 200 24 by by IN 39928 200 25 the the DT 39928 200 26 discovery discovery NN 39928 200 27 in in IN 39928 200 28 1860 1860 CD 39928 200 29 ( ( -LRB- 39928 200 30 only only RB 39928 200 31 three three CD 39928 200 32 years year NNS 39928 200 33 after after IN 39928 200 34 his -PRON- PRP$ 39928 200 35 death death NN 39928 200 36 ) ) -RRB- 39928 200 37 of of IN 39928 200 38 the the DT 39928 200 39 method method NN 39928 200 40 of of IN 39928 200 41 spectrum spectrum NN 39928 200 42 - - HYPH 39928 200 43 analysis analysis NN 39928 200 44 which which WDT 39928 200 45 , , , 39928 200 46 in in IN 39928 200 47 its -PRON- PRP$ 39928 200 48 application application NN 39928 200 49 to to IN 39928 200 50 the the DT 39928 200 51 stars star NNS 39928 200 52 , , , 39928 200 53 has have VBZ 39928 200 54 revolutionised revolutionise VBN 39928 200 55 astronomy astronomy NN 39928 200 56 , , , 39928 200 57 and and CC 39928 200 58 has have VBZ 39928 200 59 enabled enable VBN 39928 200 60 us -PRON- PRP 39928 200 61 to to TO 39928 200 62 obtain obtain VB 39928 200 63 that that DT 39928 200 64 very very JJ 39928 200 65 kind kind NN 39928 200 66 of of IN 39928 200 67 knowledge knowledge NN 39928 200 68 which which WDT 39928 200 69 he -PRON- PRP 39928 200 70 declared declare VBD 39928 200 71 must must MD 39928 200 72 be be VB 39928 200 73 for for IN 39928 200 74 ever ever RB 39928 200 75 beyond beyond IN 39928 200 76 our -PRON- PRP$ 39928 200 77 reach reach NN 39928 200 78 . . . 39928 201 1 Through through IN 39928 201 2 it -PRON- PRP 39928 201 3 we -PRON- PRP 39928 201 4 have have VBP 39928 201 5 acquired acquire VBN 39928 201 6 accurate accurate JJ 39928 201 7 information information NN 39928 201 8 as as IN 39928 201 9 to to IN 39928 201 10 the the DT 39928 201 11 physics physics NN 39928 201 12 and and CC 39928 201 13 chemistry chemistry NN 39928 201 14 of of IN 39928 201 15 the the DT 39928 201 16 stars star NNS 39928 201 17 and and CC 39928 201 18 nebulæ nebulæ NN 39928 201 19 , , , 39928 201 20 so so IN 39928 201 21 that that IN 39928 201 22 we -PRON- PRP 39928 201 23 now now RB 39928 201 24 know know VBP 39928 201 25 really really RB 39928 201 26 more more JJR 39928 201 27 of of IN 39928 201 28 the the DT 39928 201 29 nature nature NN 39928 201 30 , , , 39928 201 31 constitution constitution NN 39928 201 32 , , , 39928 201 33 and and CC 39928 201 34 temperature temperature NN 39928 201 35 of of IN 39928 201 36 the the DT 39928 201 37 enormously enormously RB 39928 201 38 distant distant JJ 39928 201 39 suns sun NNS 39928 201 40 which which WDT 39928 201 41 we -PRON- PRP 39928 201 42 distinguish distinguish VBP 39928 201 43 by by IN 39928 201 44 the the DT 39928 201 45 general general JJ 39928 201 46 term term NN 39928 201 47 stars star NNS 39928 201 48 , , , 39928 201 49 than than IN 39928 201 50 we -PRON- PRP 39928 201 51 do do VBP 39928 201 52 of of IN 39928 201 53 most most JJS 39928 201 54 of of IN 39928 201 55 the the DT 39928 201 56 planets planet NNS 39928 201 57 of of IN 39928 201 58 our -PRON- PRP$ 39928 201 59 own own JJ 39928 201 60 system system NN 39928 201 61 . . . 39928 202 1 It -PRON- PRP 39928 202 2 has have VBZ 39928 202 3 also also RB 39928 202 4 enabled enable VBN 39928 202 5 us -PRON- PRP 39928 202 6 to to TO 39928 202 7 ascertain ascertain VB 39928 202 8 the the DT 39928 202 9 existence existence NN 39928 202 10 of of IN 39928 202 11 numerous numerous JJ 39928 202 12 invisible invisible JJ 39928 202 13 stars star NNS 39928 202 14 , , , 39928 202 15 and and CC 39928 202 16 to to TO 39928 202 17 determine determine VB 39928 202 18 their -PRON- PRP$ 39928 202 19 orbits orbit NNS 39928 202 20 , , , 39928 202 21 their -PRON- PRP$ 39928 202 22 rate rate NN 39928 202 23 of of IN 39928 202 24 motion motion NN 39928 202 25 , , , 39928 202 26 and and CC 39928 202 27 even even RB 39928 202 28 , , , 39928 202 29 approximately approximately RB 39928 202 30 , , , 39928 202 31 their -PRON- PRP$ 39928 202 32 mass mass NN 39928 202 33 . . . 39928 203 1 The the DT 39928 203 2 despised despised JJ 39928 203 3 stellar stellar JJ 39928 203 4 astronomy astronomy NN 39928 203 5 of of IN 39928 203 6 the the DT 39928 203 7 early early JJ 39928 203 8 part part NN 39928 203 9 of of IN 39928 203 10 the the DT 39928 203 11 century century NN 39928 203 12 has have VBZ 39928 203 13 now now RB 39928 203 14 taken take VBN 39928 203 15 rank rank NN 39928 203 16 as as IN 39928 203 17 the the DT 39928 203 18 most most RBS 39928 203 19 profoundly profoundly RB 39928 203 20 interesting interesting JJ 39928 203 21 department department NN 39928 203 22 of of IN 39928 203 23 that that DT 39928 203 24 grand grand JJ 39928 203 25 science science NN 39928 203 26 , , , 39928 203 27 and and CC 39928 203 28 the the DT 39928 203 29 branch branch NN 39928 203 30 which which WDT 39928 203 31 offers offer VBZ 39928 203 32 the the DT 39928 203 33 greatest great JJS 39928 203 34 promise promise NN 39928 203 35 of of IN 39928 203 36 future future JJ 39928 203 37 discoveries discovery NNS 39928 203 38 . . . 39928 204 1 As as IN 39928 204 2 the the DT 39928 204 3 results result NNS 39928 204 4 obtained obtain VBN 39928 204 5 by by IN 39928 204 6 means mean NNS 39928 204 7 of of IN 39928 204 8 this this DT 39928 204 9 powerful powerful JJ 39928 204 10 instrument instrument NN 39928 204 11 will will MD 39928 204 12 often often RB 39928 204 13 be be VB 39928 204 14 referred refer VBN 39928 204 15 to to IN 39928 204 16 , , , 39928 204 17 a a DT 39928 204 18 short short JJ 39928 204 19 account account NN 39928 204 20 of of IN 39928 204 21 its -PRON- PRP$ 39928 204 22 nature nature NN 39928 204 23 and and CC 39928 204 24 of of IN 39928 204 25 the the DT 39928 204 26 principles principle NNS 39928 204 27 on on IN 39928 204 28 which which WDT 39928 204 29 it -PRON- PRP 39928 204 30 depends depend VBZ 39928 204 31 must must MD 39928 204 32 here here RB 39928 204 33 be be VB 39928 204 34 given give VBN 39928 204 35 . . . 39928 205 1 The the DT 39928 205 2 solar solar JJ 39928 205 3 spectrum spectrum NN 39928 205 4 is be VBZ 39928 205 5 the the DT 39928 205 6 band band NN 39928 205 7 of of IN 39928 205 8 coloured colour VBN 39928 205 9 light light NN 39928 205 10 seen see VBN 39928 205 11 in in IN 39928 205 12 the the DT 39928 205 13 rainbow rainbow NN 39928 205 14 and and CC 39928 205 15 , , , 39928 205 16 partially partially RB 39928 205 17 , , , 39928 205 18 in in IN 39928 205 19 the the DT 39928 205 20 dew dew NN 39928 205 21 - - HYPH 39928 205 22 drop drop NN 39928 205 23 , , , 39928 205 24 but but CC 39928 205 25 more more RBR 39928 205 26 completely completely RB 39928 205 27 when when WRB 39928 205 28 a a DT 39928 205 29 ray ray NN 39928 205 30 of of IN 39928 205 31 sunlight sunlight NN 39928 205 32 passes pass VBZ 39928 205 33 through through IN 39928 205 34 a a DT 39928 205 35 prism prism NN 39928 205 36 -- -- : 39928 205 37 a a DT 39928 205 38 piece piece NN 39928 205 39 of of IN 39928 205 40 glass glass NN 39928 205 41 having have VBG 39928 205 42 a a DT 39928 205 43 triangular triangular JJ 39928 205 44 section section NN 39928 205 45 . . . 39928 206 1 The the DT 39928 206 2 result result NN 39928 206 3 is be VBZ 39928 206 4 , , , 39928 206 5 that that IN 39928 206 6 instead instead RB 39928 206 7 of of IN 39928 206 8 a a DT 39928 206 9 spot spot NN 39928 206 10 of of IN 39928 206 11 white white JJ 39928 206 12 light light NN 39928 206 13 we -PRON- PRP 39928 206 14 have have VBP 39928 206 15 a a DT 39928 206 16 narrow narrow JJ 39928 206 17 band band NN 39928 206 18 of of IN 39928 206 19 brilliant brilliant JJ 39928 206 20 colours colour NNS 39928 206 21 which which WDT 39928 206 22 succeed succeed VBP 39928 206 23 each each DT 39928 206 24 other other JJ 39928 206 25 in in IN 39928 206 26 regular regular JJ 39928 206 27 order order NN 39928 206 28 , , , 39928 206 29 from from IN 39928 206 30 violet violet NN 39928 206 31 at at IN 39928 206 32 one one CD 39928 206 33 end end NN 39928 206 34 through through IN 39928 206 35 blue blue JJ 39928 206 36 , , , 39928 206 37 green green JJ 39928 206 38 , , , 39928 206 39 and and CC 39928 206 40 yellow yellow NN 39928 206 41 to to IN 39928 206 42 red red NNP 39928 206 43 at at IN 39928 206 44 the the DT 39928 206 45 other other JJ 39928 206 46 . . . 39928 207 1 We -PRON- PRP 39928 207 2 thus thus RB 39928 207 3 see see VBP 39928 207 4 that that DT 39928 207 5 light light NN 39928 207 6 is be VBZ 39928 207 7 not not RB 39928 207 8 a a DT 39928 207 9 simple simple JJ 39928 207 10 and and CC 39928 207 11 uniform uniform JJ 39928 207 12 radiation radiation NN 39928 207 13 from from IN 39928 207 14 the the DT 39928 207 15 sun sun NN 39928 207 16 , , , 39928 207 17 but but CC 39928 207 18 is be VBZ 39928 207 19 made make VBN 39928 207 20 up up RP 39928 207 21 of of IN 39928 207 22 a a DT 39928 207 23 large large JJ 39928 207 24 number number NN 39928 207 25 of of IN 39928 207 26 separate separate JJ 39928 207 27 rays ray NNS 39928 207 28 , , , 39928 207 29 each each DT 39928 207 30 of of IN 39928 207 31 which which WDT 39928 207 32 produces produce VBZ 39928 207 33 in in IN 39928 207 34 our -PRON- PRP$ 39928 207 35 eyes eye NNS 39928 207 36 the the DT 39928 207 37 sensation sensation NN 39928 207 38 of of IN 39928 207 39 a a DT 39928 207 40 distinct distinct JJ 39928 207 41 colour colour NN 39928 207 42 . . . 39928 208 1 Light light NN 39928 208 2 is be VBZ 39928 208 3 now now RB 39928 208 4 explained explain VBN 39928 208 5 as as IN 39928 208 6 being be VBG 39928 208 7 due due JJ 39928 208 8 to to IN 39928 208 9 vibrations vibration NNS 39928 208 10 of of IN 39928 208 11 ether ether NN 39928 208 12 , , , 39928 208 13 that that DT 39928 208 14 mysterious mysterious JJ 39928 208 15 substance substance NN 39928 208 16 which which WDT 39928 208 17 not not RB 39928 208 18 only only RB 39928 208 19 permeates permeate VBZ 39928 208 20 all all DT 39928 208 21 matter matter NN 39928 208 22 , , , 39928 208 23 but but CC 39928 208 24 which which WDT 39928 208 25 fills fill VBZ 39928 208 26 space space NN 39928 208 27 at at IN 39928 208 28 least least JJS 39928 208 29 as as RB 39928 208 30 far far RB 39928 208 31 as as IN 39928 208 32 the the DT 39928 208 33 remotest remotest NN 39928 208 34 of of IN 39928 208 35 the the DT 39928 208 36 visible visible JJ 39928 208 37 stars star NNS 39928 208 38 and and CC 39928 208 39 nebulæ nebulæ NN 39928 208 40 . . . 39928 209 1 The the DT 39928 209 2 exceedingly exceedingly JJ 39928 209 3 minute minute NN 39928 209 4 waves wave NNS 39928 209 5 or or CC 39928 209 6 vibrations vibration NNS 39928 209 7 of of IN 39928 209 8 the the DT 39928 209 9 ether ether NN 39928 209 10 produce produce VBP 39928 209 11 all all PDT 39928 209 12 the the DT 39928 209 13 phenomena phenomenon NNS 39928 209 14 of of IN 39928 209 15 heat heat NN 39928 209 16 , , , 39928 209 17 light light NN 39928 209 18 , , , 39928 209 19 and and CC 39928 209 20 colour colour NN 39928 209 21 , , , 39928 209 22 as as RB 39928 209 23 well well RB 39928 209 24 as as IN 39928 209 25 those those DT 39928 209 26 chemical chemical JJ 39928 209 27 actions action NNS 39928 209 28 to to TO 39928 209 29 which which WDT 39928 209 30 photography photography NN 39928 209 31 owes owe VBZ 39928 209 32 its -PRON- PRP$ 39928 209 33 wonderful wonderful JJ 39928 209 34 powers power NNS 39928 209 35 . . . 39928 210 1 By by IN 39928 210 2 ingenious ingenious JJ 39928 210 3 experiments experiment NNS 39928 210 4 the the DT 39928 210 5 size size NN 39928 210 6 and and CC 39928 210 7 rate rate NN 39928 210 8 of of IN 39928 210 9 vibration vibration NN 39928 210 10 of of IN 39928 210 11 these these DT 39928 210 12 waves wave NNS 39928 210 13 have have VBP 39928 210 14 been be VBN 39928 210 15 measured measure VBN 39928 210 16 , , , 39928 210 17 and and CC 39928 210 18 it -PRON- PRP 39928 210 19 is be VBZ 39928 210 20 found find VBN 39928 210 21 that that IN 39928 210 22 they -PRON- PRP 39928 210 23 vary vary VBP 39928 210 24 considerably considerably RB 39928 210 25 , , , 39928 210 26 those those DT 39928 210 27 forming form VBG 39928 210 28 the the DT 39928 210 29 red red JJ 39928 210 30 light light NN 39928 210 31 , , , 39928 210 32 which which WDT 39928 210 33 is be VBZ 39928 210 34 least least RBS 39928 210 35 refracted refract VBN 39928 210 36 , , , 39928 210 37 having have VBG 39928 210 38 a a DT 39928 210 39 wave wave NN 39928 210 40 - - HYPH 39928 210 41 length length NN 39928 210 42 of of IN 39928 210 43 about about IN 39928 210 44 1/326000 1/326000 CD 39928 210 45 of of IN 39928 210 46 an an DT 39928 210 47 inch inch NN 39928 210 48 , , , 39928 210 49 while while IN 39928 210 50 the the DT 39928 210 51 violet violet NN 39928 210 52 rays ray NNS 39928 210 53 at at IN 39928 210 54 the the DT 39928 210 55 other other JJ 39928 210 56 end end NN 39928 210 57 of of IN 39928 210 58 the the DT 39928 210 59 spectrum spectrum NN 39928 210 60 are be VBP 39928 210 61 only only RB 39928 210 62 about about IN 39928 210 63 half half PDT 39928 210 64 that that DT 39928 210 65 length length NN 39928 210 66 or or CC 39928 210 67 1/630000 1/630000 CD 39928 210 68 of of IN 39928 210 69 an an DT 39928 210 70 inch inch NN 39928 210 71 . . . 39928 211 1 The the DT 39928 211 2 rate rate NN 39928 211 3 at at IN 39928 211 4 which which WDT 39928 211 5 the the DT 39928 211 6 vibrations vibration NNS 39928 211 7 succeed succeed VBP 39928 211 8 each each DT 39928 211 9 other other JJ 39928 211 10 is be VBZ 39928 211 11 from from IN 39928 211 12 302 302 CD 39928 211 13 millions million NNS 39928 211 14 of of IN 39928 211 15 millions million NNS 39928 211 16 per per IN 39928 211 17 second second NN 39928 211 18 for for IN 39928 211 19 the the DT 39928 211 20 extreme extreme JJ 39928 211 21 red red JJ 39928 211 22 rays ray NNS 39928 211 23 , , , 39928 211 24 to to IN 39928 211 25 737 737 CD 39928 211 26 millions million NNS 39928 211 27 of of IN 39928 211 28 millions million NNS 39928 211 29 for for IN 39928 211 30 those those DT 39928 211 31 at at IN 39928 211 32 the the DT 39928 211 33 violet violet NN 39928 211 34 end end NN 39928 211 35 of of IN 39928 211 36 the the DT 39928 211 37 spectrum spectrum NN 39928 211 38 . . . 39928 212 1 These these DT 39928 212 2 figures figure NNS 39928 212 3 are be VBP 39928 212 4 given give VBN 39928 212 5 to to TO 39928 212 6 show show VB 39928 212 7 the the DT 39928 212 8 wonderful wonderful JJ 39928 212 9 minuteness minuteness NN 39928 212 10 and and CC 39928 212 11 rapidity rapidity NN 39928 212 12 of of IN 39928 212 13 these these DT 39928 212 14 heat heat NN 39928 212 15 and and CC 39928 212 16 light light JJ 39928 212 17 waves wave NNS 39928 212 18 on on IN 39928 212 19 which which WDT 39928 212 20 the the DT 39928 212 21 whole whole JJ 39928 212 22 life life NN 39928 212 23 of of IN 39928 212 24 the the DT 39928 212 25 world world NN 39928 212 26 , , , 39928 212 27 and and CC 39928 212 28 all all DT 39928 212 29 our -PRON- PRP$ 39928 212 30 knowledge knowledge NN 39928 212 31 of of IN 39928 212 32 other other JJ 39928 212 33 worlds world NNS 39928 212 34 and and CC 39928 212 35 other other JJ 39928 212 36 suns sun NNS 39928 212 37 , , , 39928 212 38 directly directly RB 39928 212 39 depends depend VBZ 39928 212 40 . . . 39928 213 1 But but CC 39928 213 2 the the DT 39928 213 3 mere mere JJ 39928 213 4 colours colour NNS 39928 213 5 of of IN 39928 213 6 the the DT 39928 213 7 spectrum spectrum NN 39928 213 8 are be VBP 39928 213 9 not not RB 39928 213 10 the the DT 39928 213 11 most most RBS 39928 213 12 important important JJ 39928 213 13 part part NN 39928 213 14 of of IN 39928 213 15 it -PRON- PRP 39928 213 16 . . . 39928 214 1 Very very RB 39928 214 2 early early RB 39928 214 3 in in IN 39928 214 4 the the DT 39928 214 5 nineteenth nineteenth JJ 39928 214 6 century century NN 39928 214 7 a a DT 39928 214 8 close close JJ 39928 214 9 examination examination NN 39928 214 10 showed show VBD 39928 214 11 that that IN 39928 214 12 it -PRON- PRP 39928 214 13 was be VBD 39928 214 14 everywhere everywhere RB 39928 214 15 crossed cross VBN 39928 214 16 by by IN 39928 214 17 black black JJ 39928 214 18 lines line NNS 39928 214 19 of of IN 39928 214 20 various various JJ 39928 214 21 thicknesses thickness NNS 39928 214 22 , , , 39928 214 23 sometimes sometimes RB 39928 214 24 single single JJ 39928 214 25 , , , 39928 214 26 sometimes sometimes RB 39928 214 27 grouped group VBN 39928 214 28 together together RB 39928 214 29 . . . 39928 215 1 Many many JJ 39928 215 2 observers observer NNS 39928 215 3 studied study VBD 39928 215 4 them -PRON- PRP 39928 215 5 and and CC 39928 215 6 made make VBD 39928 215 7 accurate accurate JJ 39928 215 8 drawings drawing NNS 39928 215 9 or or CC 39928 215 10 maps map NNS 39928 215 11 showing show VBG 39928 215 12 their -PRON- PRP$ 39928 215 13 positions position NNS 39928 215 14 and and CC 39928 215 15 thicknesses thickness NNS 39928 215 16 , , , 39928 215 17 and and CC 39928 215 18 by by IN 39928 215 19 combining combine VBG 39928 215 20 several several JJ 39928 215 21 prisms prism NNS 39928 215 22 , , , 39928 215 23 so so IN 39928 215 24 that that IN 39928 215 25 the the DT 39928 215 26 beam beam NN 39928 215 27 of of IN 39928 215 28 sunlight sunlight NN 39928 215 29 had have VBD 39928 215 30 to to TO 39928 215 31 pass pass VB 39928 215 32 through through IN 39928 215 33 them -PRON- PRP 39928 215 34 successively successively RB 39928 215 35 , , , 39928 215 36 a a DT 39928 215 37 spectrum spectrum NN 39928 215 38 could could MD 39928 215 39 be be VB 39928 215 40 produced produce VBN 39928 215 41 several several JJ 39928 215 42 feet foot NNS 39928 215 43 long long JJ 39928 215 44 , , , 39928 215 45 and and CC 39928 215 46 more more JJR 39928 215 47 than than IN 39928 215 48 3000 3000 CD 39928 215 49 of of IN 39928 215 50 these these DT 39928 215 51 dark dark JJ 39928 215 52 lines line NNS 39928 215 53 were be VBD 39928 215 54 counted count VBN 39928 215 55 in in IN 39928 215 56 it -PRON- PRP 39928 215 57 . . . 39928 216 1 But but CC 39928 216 2 what what WP 39928 216 3 they -PRON- PRP 39928 216 4 were be VBD 39928 216 5 and and CC 39928 216 6 how how WRB 39928 216 7 they -PRON- PRP 39928 216 8 were be VBD 39928 216 9 caused cause VBN 39928 216 10 remained remain VBD 39928 216 11 a a DT 39928 216 12 mystery mystery NN 39928 216 13 , , , 39928 216 14 till till IN 39928 216 15 , , , 39928 216 16 in in IN 39928 216 17 the the DT 39928 216 18 year year NN 39928 216 19 1860 1860 CD 39928 216 20 , , , 39928 216 21 the the DT 39928 216 22 German german JJ 39928 216 23 physicist physicist NN 39928 216 24 Kirchhoff Kirchhoff NNP 39928 216 25 discovered discover VBD 39928 216 26 the the DT 39928 216 27 secret secret NN 39928 216 28 and and CC 39928 216 29 gave give VBD 39928 216 30 to to IN 39928 216 31 chemists chemist NNS 39928 216 32 and and CC 39928 216 33 astronomers astronomer NNS 39928 216 34 a a DT 39928 216 35 new new JJ 39928 216 36 and and CC 39928 216 37 quite quite RB 39928 216 38 unexpected unexpected JJ 39928 216 39 engine engine NN 39928 216 40 of of IN 39928 216 41 research research NN 39928 216 42 . . . 39928 217 1 It -PRON- PRP 39928 217 2 had have VBD 39928 217 3 already already RB 39928 217 4 been be VBN 39928 217 5 observed observe VBN 39928 217 6 that that IN 39928 217 7 the the DT 39928 217 8 chemical chemical NN 39928 217 9 elements element NNS 39928 217 10 and and CC 39928 217 11 various various JJ 39928 217 12 compounds compound NNS 39928 217 13 , , , 39928 217 14 when when WRB 39928 217 15 heated heat VBN 39928 217 16 to to IN 39928 217 17 incandescence incandescence NN 39928 217 18 , , , 39928 217 19 produced produce VBD 39928 217 20 spectra spectra NNP 39928 217 21 consisting consist VBG 39928 217 22 of of IN 39928 217 23 coloured coloured JJ 39928 217 24 lines line NNS 39928 217 25 or or CC 39928 217 26 bands band NNS 39928 217 27 which which WDT 39928 217 28 were be VBD 39928 217 29 constant constant JJ 39928 217 30 for for IN 39928 217 31 each each DT 39928 217 32 element element NN 39928 217 33 , , , 39928 217 34 so so IN 39928 217 35 that that IN 39928 217 36 the the DT 39928 217 37 elements element NNS 39928 217 38 could could MD 39928 217 39 at at IN 39928 217 40 once once RB 39928 217 41 be be VB 39928 217 42 recognised recognise VBN 39928 217 43 by by IN 39928 217 44 their -PRON- PRP$ 39928 217 45 characteristic characteristic JJ 39928 217 46 spectra spectra NN 39928 217 47 ; ; , 39928 217 48 and and CC 39928 217 49 it -PRON- PRP 39928 217 50 had have VBD 39928 217 51 also also RB 39928 217 52 been be VBN 39928 217 53 noticed notice VBN 39928 217 54 that that IN 39928 217 55 some some DT 39928 217 56 of of IN 39928 217 57 these these DT 39928 217 58 bands band NNS 39928 217 59 , , , 39928 217 60 especially especially RB 39928 217 61 the the DT 39928 217 62 yellow yellow JJ 39928 217 63 band band NN 39928 217 64 produced produce VBN 39928 217 65 by by IN 39928 217 66 sodium sodium NN 39928 217 67 , , , 39928 217 68 corresponded correspond VBD 39928 217 69 in in IN 39928 217 70 position position NN 39928 217 71 with with IN 39928 217 72 certain certain JJ 39928 217 73 black black JJ 39928 217 74 lines line NNS 39928 217 75 in in IN 39928 217 76 the the DT 39928 217 77 solar solar JJ 39928 217 78 spectrum spectrum NN 39928 217 79 . . . 39928 218 1 Kirchhoff Kirchhoff NNP 39928 218 2 's 's POS 39928 218 3 discovery discovery NN 39928 218 4 consisted consist VBD 39928 218 5 in in IN 39928 218 6 showing show VBG 39928 218 7 that that IN 39928 218 8 , , , 39928 218 9 when when WRB 39928 218 10 the the DT 39928 218 11 light light NN 39928 218 12 from from IN 39928 218 13 an an DT 39928 218 14 incandescent incandescent JJ 39928 218 15 body body NN 39928 218 16 passes pass VBZ 39928 218 17 through through IN 39928 218 18 the the DT 39928 218 19 same same JJ 39928 218 20 substance substance NN 39928 218 21 in in IN 39928 218 22 a a DT 39928 218 23 state state NN 39928 218 24 of of IN 39928 218 25 vapour vapour NN 39928 218 26 or or CC 39928 218 27 gas gas NN 39928 218 28 , , , 39928 218 29 so so RB 39928 218 30 much much JJ 39928 218 31 of of IN 39928 218 32 the the DT 39928 218 33 light light NN 39928 218 34 is be VBZ 39928 218 35 absorbed absorb VBN 39928 218 36 that that IN 39928 218 37 the the DT 39928 218 38 coloured coloured JJ 39928 218 39 lines line NNS 39928 218 40 or or CC 39928 218 41 bands band NNS 39928 218 42 become become VBP 39928 218 43 black black JJ 39928 218 44 . . . 39928 219 1 The the DT 39928 219 2 mystery mystery NN 39928 219 3 of of IN 39928 219 4 more more JJR 39928 219 5 than than IN 39928 219 6 half half PDT 39928 219 7 a a DT 39928 219 8 century century NN 39928 219 9 was be VBD 39928 219 10 thus thus RB 39928 219 11 solved solve VBN 39928 219 12 ; ; : 39928 219 13 and and CC 39928 219 14 the the DT 39928 219 15 thousands thousand NNS 39928 219 16 of of IN 39928 219 17 black black JJ 39928 219 18 lines line NNS 39928 219 19 in in IN 39928 219 20 the the DT 39928 219 21 solar solar JJ 39928 219 22 spectrum spectrum NN 39928 219 23 were be VBD 39928 219 24 shown show VBN 39928 219 25 to to TO 39928 219 26 be be VB 39928 219 27 caused cause VBN 39928 219 28 by by IN 39928 219 29 the the DT 39928 219 30 light light NN 39928 219 31 from from IN 39928 219 32 the the DT 39928 219 33 incandescent incandescent JJ 39928 219 34 matter matter NN 39928 219 35 of of IN 39928 219 36 the the DT 39928 219 37 sun sun NN 39928 219 38 's 's POS 39928 219 39 surface surface NN 39928 219 40 passing pass VBG 39928 219 41 through through IN 39928 219 42 the the DT 39928 219 43 heated heat VBN 39928 219 44 gases gas NNS 39928 219 45 or or CC 39928 219 46 vapours vapour NNS 39928 219 47 immediately immediately RB 39928 219 48 above above IN 39928 219 49 it -PRON- PRP 39928 219 50 , , , 39928 219 51 and and CC 39928 219 52 thereby thereby RB 39928 219 53 having have VBG 39928 219 54 the the DT 39928 219 55 bright bright JJ 39928 219 56 coloured coloured JJ 39928 219 57 lines line NNS 39928 219 58 of of IN 39928 219 59 their -PRON- PRP$ 39928 219 60 spectra spectra NN 39928 219 61 changed change VBN 39928 219 62 , , , 39928 219 63 by by IN 39928 219 64 absorption absorption NN 39928 219 65 , , , 39928 219 66 to to IN 39928 219 67 comparative comparative JJ 39928 219 68 blackness blackness NN 39928 219 69 . . . 39928 220 1 Chemists chemist NNS 39928 220 2 and and CC 39928 220 3 physicists physicist NNS 39928 220 4 immediately immediately RB 39928 220 5 set set VBN 39928 220 6 to to TO 39928 220 7 work work VB 39928 220 8 examining examine VBG 39928 220 9 the the DT 39928 220 10 spectra spectra NN 39928 220 11 of of IN 39928 220 12 the the DT 39928 220 13 elements element NNS 39928 220 14 , , , 39928 220 15 fixing fix VBG 39928 220 16 the the DT 39928 220 17 position position NN 39928 220 18 of of IN 39928 220 19 the the DT 39928 220 20 several several JJ 39928 220 21 coloured coloured JJ 39928 220 22 lines line NNS 39928 220 23 or or CC 39928 220 24 bands band NNS 39928 220 25 by by IN 39928 220 26 accurate accurate JJ 39928 220 27 measurement measurement NN 39928 220 28 , , , 39928 220 29 and and CC 39928 220 30 comparing compare VBG 39928 220 31 them -PRON- PRP 39928 220 32 with with IN 39928 220 33 the the DT 39928 220 34 dark dark JJ 39928 220 35 lines line NNS 39928 220 36 of of IN 39928 220 37 the the DT 39928 220 38 solar solar JJ 39928 220 39 spectrum spectrum NN 39928 220 40 . . . 39928 221 1 The the DT 39928 221 2 results result NNS 39928 221 3 were be VBD 39928 221 4 in in IN 39928 221 5 the the DT 39928 221 6 highest high JJS 39928 221 7 degree degree NN 39928 221 8 satisfactory satisfactory JJ 39928 221 9 . . . 39928 222 1 In in IN 39928 222 2 a a DT 39928 222 3 large large JJ 39928 222 4 proportion proportion NN 39928 222 5 of of IN 39928 222 6 the the DT 39928 222 7 elements element NNS 39928 222 8 the the DT 39928 222 9 coloured colour VBN 39928 222 10 bands band NNS 39928 222 11 corresponded correspond VBD 39928 222 12 exactly exactly RB 39928 222 13 with with IN 39928 222 14 a a DT 39928 222 15 group group NN 39928 222 16 of of IN 39928 222 17 dark dark JJ 39928 222 18 lines line NNS 39928 222 19 in in IN 39928 222 20 the the DT 39928 222 21 spectrum spectrum NN 39928 222 22 of of IN 39928 222 23 the the DT 39928 222 24 sun sun NN 39928 222 25 , , , 39928 222 26 in in IN 39928 222 27 which which WDT 39928 222 28 , , , 39928 222 29 therefore therefore RB 39928 222 30 , , , 39928 222 31 the the DT 39928 222 32 same same JJ 39928 222 33 terrestrial terrestrial JJ 39928 222 34 elements element NNS 39928 222 35 were be VBD 39928 222 36 proved prove VBN 39928 222 37 to to TO 39928 222 38 exist exist VB 39928 222 39 . . . 39928 223 1 Among among IN 39928 223 2 the the DT 39928 223 3 elements element NNS 39928 223 4 first first RB 39928 223 5 detected detect VBN 39928 223 6 in in IN 39928 223 7 this this DT 39928 223 8 manner manner NN 39928 223 9 were be VBD 39928 223 10 hydrogen hydrogen NN 39928 223 11 , , , 39928 223 12 sodium sodium NN 39928 223 13 , , , 39928 223 14 iron iron NN 39928 223 15 , , , 39928 223 16 copper copper NN 39928 223 17 , , , 39928 223 18 magnesium magnesium NN 39928 223 19 , , , 39928 223 20 zinc zinc NN 39928 223 21 , , , 39928 223 22 calcium calcium NN 39928 223 23 , , , 39928 223 24 and and CC 39928 223 25 many many JJ 39928 223 26 others other NNS 39928 223 27 . . . 39928 224 1 Nearly nearly RB 39928 224 2 forty forty CD 39928 224 3 of of IN 39928 224 4 the the DT 39928 224 5 elements element NNS 39928 224 6 have have VBP 39928 224 7 now now RB 39928 224 8 been be VBN 39928 224 9 found find VBN 39928 224 10 in in IN 39928 224 11 the the DT 39928 224 12 sun sun NN 39928 224 13 , , , 39928 224 14 and and CC 39928 224 15 it -PRON- PRP 39928 224 16 seems seem VBZ 39928 224 17 highly highly RB 39928 224 18 probable probable JJ 39928 224 19 that that IN 39928 224 20 all all PDT 39928 224 21 our -PRON- PRP$ 39928 224 22 elements element NNS 39928 224 23 really really RB 39928 224 24 exist exist VBP 39928 224 25 there there RB 39928 224 26 , , , 39928 224 27 but but CC 39928 224 28 as as IN 39928 224 29 some some DT 39928 224 30 are be VBP 39928 224 31 very very RB 39928 224 32 rare rare JJ 39928 224 33 and and CC 39928 224 34 are be VBP 39928 224 35 present present JJ 39928 224 36 in in IN 39928 224 37 very very RB 39928 224 38 minute minute JJ 39928 224 39 quantities quantity NNS 39928 224 40 they -PRON- PRP 39928 224 41 can can MD 39928 224 42 not not RB 39928 224 43 be be VB 39928 224 44 detected detect VBN 39928 224 45 . . . 39928 225 1 Some some DT 39928 225 2 of of IN 39928 225 3 the the DT 39928 225 4 dark dark JJ 39928 225 5 lines line NNS 39928 225 6 in in IN 39928 225 7 the the DT 39928 225 8 sun sun NN 39928 225 9 were be VBD 39928 225 10 found find VBN 39928 225 11 not not RB 39928 225 12 to to TO 39928 225 13 correspond correspond VB 39928 225 14 to to IN 39928 225 15 any any DT 39928 225 16 known known JJ 39928 225 17 element element NN 39928 225 18 , , , 39928 225 19 and and CC 39928 225 20 as as IN 39928 225 21 this this DT 39928 225 22 was be VBD 39928 225 23 thought think VBN 39928 225 24 to to TO 39928 225 25 indicate indicate VB 39928 225 26 an an DT 39928 225 27 element element NN 39928 225 28 peculiar peculiar JJ 39928 225 29 to to IN 39928 225 30 the the DT 39928 225 31 sun sun NN 39928 225 32 it -PRON- PRP 39928 225 33 was be VBD 39928 225 34 named name VBN 39928 225 35 Helium Helium NNP 39928 225 36 ; ; : 39928 225 37 but but CC 39928 225 38 quite quite RB 39928 225 39 recently recently RB 39928 225 40 it -PRON- PRP 39928 225 41 has have VBZ 39928 225 42 been be VBN 39928 225 43 discovered discover VBN 39928 225 44 in in IN 39928 225 45 a a DT 39928 225 46 rare rare JJ 39928 225 47 mineral mineral NN 39928 225 48 . . . 39928 226 1 Many many JJ 39928 226 2 of of IN 39928 226 3 the the DT 39928 226 4 elements element NNS 39928 226 5 are be VBP 39928 226 6 represented represent VBN 39928 226 7 by by IN 39928 226 8 a a DT 39928 226 9 great great JJ 39928 226 10 number number NN 39928 226 11 of of IN 39928 226 12 lines line NNS 39928 226 13 , , , 39928 226 14 others other NNS 39928 226 15 by by IN 39928 226 16 very very RB 39928 226 17 few few JJ 39928 226 18 . . . 39928 227 1 Thus thus RB 39928 227 2 iron iron NN 39928 227 3 has have VBZ 39928 227 4 more more JJR 39928 227 5 than than IN 39928 227 6 2000 2000 CD 39928 227 7 , , , 39928 227 8 while while IN 39928 227 9 lead lead NN 39928 227 10 and and CC 39928 227 11 potassium potassium NN 39928 227 12 have have VBP 39928 227 13 only only RB 39928 227 14 one one CD 39928 227 15 each each DT 39928 227 16 . . . 39928 228 1 The the DT 39928 228 2 value value NN 39928 228 3 of of IN 39928 228 4 the the DT 39928 228 5 spectroscope spectroscope NN 39928 228 6 both both DT 39928 228 7 to to IN 39928 228 8 the the DT 39928 228 9 chemist chemist NN 39928 228 10 in in IN 39928 228 11 discovering discover VBG 39928 228 12 new new JJ 39928 228 13 elements element NNS 39928 228 14 and and CC 39928 228 15 to to IN 39928 228 16 the the DT 39928 228 17 astronomer astronomer NN 39928 228 18 in in IN 39928 228 19 determining determine VBG 39928 228 20 the the DT 39928 228 21 constitution constitution NN 39928 228 22 of of IN 39928 228 23 the the DT 39928 228 24 heavenly heavenly JJ 39928 228 25 bodies body NNS 39928 228 26 , , , 39928 228 27 is be VBZ 39928 228 28 so so RB 39928 228 29 great great JJ 39928 228 30 , , , 39928 228 31 that that IN 39928 228 32 it -PRON- PRP 39928 228 33 became become VBD 39928 228 34 of of IN 39928 228 35 the the DT 39928 228 36 highest high JJS 39928 228 37 importance importance NN 39928 228 38 to to TO 39928 228 39 have have VB 39928 228 40 the the DT 39928 228 41 position position NN 39928 228 42 of of IN 39928 228 43 all all PDT 39928 228 44 the the DT 39928 228 45 dark dark JJ 39928 228 46 lines line NNS 39928 228 47 in in IN 39928 228 48 the the DT 39928 228 49 solar solar JJ 39928 228 50 spectrum spectrum NN 39928 228 51 , , , 39928 228 52 as as RB 39928 228 53 well well RB 39928 228 54 as as IN 39928 228 55 the the DT 39928 228 56 bright bright JJ 39928 228 57 lines line NNS 39928 228 58 of of IN 39928 228 59 all all PDT 39928 228 60 the the DT 39928 228 61 elements element NNS 39928 228 62 , , , 39928 228 63 determined determine VBN 39928 228 64 with with IN 39928 228 65 extreme extreme JJ 39928 228 66 accuracy accuracy NN 39928 228 67 , , , 39928 228 68 so so IN 39928 228 69 as as IN 39928 228 70 to to TO 39928 228 71 be be VB 39928 228 72 able able JJ 39928 228 73 to to TO 39928 228 74 make make VB 39928 228 75 exact exact JJ 39928 228 76 comparisons comparison NNS 39928 228 77 between between IN 39928 228 78 different different JJ 39928 228 79 spectra spectra NNP 39928 228 80 . . . 39928 229 1 At at IN 39928 229 2 first first RB 39928 229 3 this this DT 39928 229 4 was be VBD 39928 229 5 done do VBN 39928 229 6 by by IN 39928 229 7 means mean NNS 39928 229 8 of of IN 39928 229 9 very very RB 39928 229 10 large large JJ 39928 229 11 - - HYPH 39928 229 12 scale scale NN 39928 229 13 drawings drawing NNS 39928 229 14 showing show VBG 39928 229 15 the the DT 39928 229 16 exact exact JJ 39928 229 17 position position NN 39928 229 18 of of IN 39928 229 19 every every DT 39928 229 20 dark dark JJ 39928 229 21 or or CC 39928 229 22 bright bright JJ 39928 229 23 line line NN 39928 229 24 . . . 39928 230 1 But but CC 39928 230 2 this this DT 39928 230 3 was be VBD 39928 230 4 found find VBN 39928 230 5 to to TO 39928 230 6 be be VB 39928 230 7 both both CC 39928 230 8 inconvenient inconvenient JJ 39928 230 9 and and CC 39928 230 10 not not RB 39928 230 11 sufficiently sufficiently RB 39928 230 12 exact exact JJ 39928 230 13 ; ; : 39928 230 14 and and CC 39928 230 15 it -PRON- PRP 39928 230 16 was be VBD 39928 230 17 therefore therefore RB 39928 230 18 agreed agree VBN 39928 230 19 to to TO 39928 230 20 adopt adopt VB 39928 230 21 the the DT 39928 230 22 natural natural JJ 39928 230 23 scale scale NN 39928 230 24 of of IN 39928 230 25 the the DT 39928 230 26 wave wave NN 39928 230 27 - - HYPH 39928 230 28 lengths length NNS 39928 230 29 of of IN 39928 230 30 the the DT 39928 230 31 different different JJ 39928 230 32 parts part NNS 39928 230 33 of of IN 39928 230 34 the the DT 39928 230 35 spectrum spectrum NN 39928 230 36 , , , 39928 230 37 which which WDT 39928 230 38 by by IN 39928 230 39 means mean NNS 39928 230 40 of of IN 39928 230 41 what what WP 39928 230 42 are be VBP 39928 230 43 termed term VBN 39928 230 44 diffraction diffraction NN 39928 230 45 - - HYPH 39928 230 46 gratings grating NNS 39928 230 47 can can MD 39928 230 48 now now RB 39928 230 49 be be VB 39928 230 50 measured measure VBN 39928 230 51 with with IN 39928 230 52 great great JJ 39928 230 53 accuracy accuracy NN 39928 230 54 . . . 39928 231 1 Diffraction diffraction NN 39928 231 2 - - HYPH 39928 231 3 gratings grating NNS 39928 231 4 are be VBP 39928 231 5 formed form VBN 39928 231 6 of of IN 39928 231 7 a a DT 39928 231 8 polished polished JJ 39928 231 9 surface surface NN 39928 231 10 of of IN 39928 231 11 hard hard JJ 39928 231 12 metal metal NN 39928 231 13 ruled rule VBN 39928 231 14 with with IN 39928 231 15 excessively excessively RB 39928 231 16 fine fine JJ 39928 231 17 lines line NNS 39928 231 18 , , , 39928 231 19 sometimes sometimes RB 39928 231 20 as as RB 39928 231 21 many many JJ 39928 231 22 as as IN 39928 231 23 20,000 20,000 CD 39928 231 24 to to IN 39928 231 25 an an DT 39928 231 26 inch inch NN 39928 231 27 . . . 39928 232 1 When when WRB 39928 232 2 sunlight sunlight NN 39928 232 3 falls fall VBZ 39928 232 4 upon upon IN 39928 232 5 one one CD 39928 232 6 of of IN 39928 232 7 these these DT 39928 232 8 gratings grating NNS 39928 232 9 it -PRON- PRP 39928 232 10 is be VBZ 39928 232 11 reflected reflect VBN 39928 232 12 , , , 39928 232 13 and and CC 39928 232 14 by by IN 39928 232 15 interference interference NN 39928 232 16 of of IN 39928 232 17 the the DT 39928 232 18 rays ray NNS 39928 232 19 from from IN 39928 232 20 the the DT 39928 232 21 spaces space NNS 39928 232 22 between between IN 39928 232 23 the the DT 39928 232 24 fine fine JJ 39928 232 25 grooves groove NNS 39928 232 26 , , , 39928 232 27 it -PRON- PRP 39928 232 28 is be VBZ 39928 232 29 spread spread VBN 39928 232 30 out out RP 39928 232 31 into into IN 39928 232 32 a a DT 39928 232 33 beautiful beautiful JJ 39928 232 34 and and CC 39928 232 35 well well RB 39928 232 36 - - HYPH 39928 232 37 defined define VBN 39928 232 38 spectrum spectrum NN 39928 232 39 , , , 39928 232 40 which which WDT 39928 232 41 , , , 39928 232 42 when when WRB 39928 232 43 the the DT 39928 232 44 lines line NNS 39928 232 45 are be VBP 39928 232 46 very very RB 39928 232 47 close close JJ 39928 232 48 , , , 39928 232 49 is be VBZ 39928 232 50 several several JJ 39928 232 51 yards yard NNS 39928 232 52 in in IN 39928 232 53 length length NN 39928 232 54 . . . 39928 233 1 In in IN 39928 233 2 these these DT 39928 233 3 diffraction diffraction NN 39928 233 4 spectra spectra VBP 39928 233 5 many many JJ 39928 233 6 dark dark JJ 39928 233 7 lines line NNS 39928 233 8 are be VBP 39928 233 9 seen see VBN 39928 233 10 which which WDT 39928 233 11 can can MD 39928 233 12 be be VB 39928 233 13 shown show VBN 39928 233 14 in in IN 39928 233 15 no no DT 39928 233 16 other other JJ 39928 233 17 way way NN 39928 233 18 , , , 39928 233 19 and and CC 39928 233 20 they -PRON- PRP 39928 233 21 also also RB 39928 233 22 give give VBP 39928 233 23 a a DT 39928 233 24 spectrum spectrum NN 39928 233 25 which which WDT 39928 233 26 is be VBZ 39928 233 27 far far RB 39928 233 28 more more RBR 39928 233 29 uniform uniform JJ 39928 233 30 than than IN 39928 233 31 that that DT 39928 233 32 produced produce VBN 39928 233 33 by by IN 39928 233 34 glass glass NN 39928 233 35 prisms prism NNS 39928 233 36 in in IN 39928 233 37 which which WDT 39928 233 38 minute minute NN 39928 233 39 differences difference NNS 39928 233 40 in in IN 39928 233 41 the the DT 39928 233 42 composition composition NN 39928 233 43 of of IN 39928 233 44 the the DT 39928 233 45 glass glass NN 39928 233 46 cause cause VB 39928 233 47 some some DT 39928 233 48 rays ray NNS 39928 233 49 to to TO 39928 233 50 be be VB 39928 233 51 refracted refract VBN 39928 233 52 more more RBR 39928 233 53 and and CC 39928 233 54 others other NNS 39928 233 55 less less JJR 39928 233 56 than than IN 39928 233 57 the the DT 39928 233 58 normal normal JJ 39928 233 59 amount amount NN 39928 233 60 . . . 39928 234 1 The the DT 39928 234 2 spectra spectra NN 39928 234 3 produced produce VBN 39928 234 4 by by IN 39928 234 5 diffraction diffraction NN 39928 234 6 - - HYPH 39928 234 7 gratings grating NNS 39928 234 8 are be VBP 39928 234 9 double double JJ 39928 234 10 ; ; : 39928 234 11 that that RB 39928 234 12 is is RB 39928 234 13 , , , 39928 234 14 they -PRON- PRP 39928 234 15 are be VBP 39928 234 16 spread spread VBN 39928 234 17 out out RP 39928 234 18 on on IN 39928 234 19 both both DT 39928 234 20 sides side NNS 39928 234 21 of of IN 39928 234 22 the the DT 39928 234 23 central central JJ 39928 234 24 line line NN 39928 234 25 of of IN 39928 234 26 the the DT 39928 234 27 ray ray NN 39928 234 28 which which WDT 39928 234 29 remains remain VBZ 39928 234 30 white white JJ 39928 234 31 , , , 39928 234 32 and and CC 39928 234 33 the the DT 39928 234 34 several several JJ 39928 234 35 coloured coloured JJ 39928 234 36 or or CC 39928 234 37 dark dark JJ 39928 234 38 lines line NNS 39928 234 39 are be VBP 39928 234 40 so so RB 39928 234 41 clearly clearly RB 39928 234 42 defined define VBN 39928 234 43 that that IN 39928 234 44 they -PRON- PRP 39928 234 45 can can MD 39928 234 46 be be VB 39928 234 47 thrown throw VBN 39928 234 48 on on IN 39928 234 49 a a DT 39928 234 50 screen screen NN 39928 234 51 at at IN 39928 234 52 a a DT 39928 234 53 considerable considerable JJ 39928 234 54 distance distance NN 39928 234 55 , , , 39928 234 56 giving give VBG 39928 234 57 a a DT 39928 234 58 great great JJ 39928 234 59 length length NN 39928 234 60 to to IN 39928 234 61 the the DT 39928 234 62 spectrum spectrum NN 39928 234 63 . . . 39928 235 1 The the DT 39928 235 2 data datum NNS 39928 235 3 for for IN 39928 235 4 obtaining obtain VBG 39928 235 5 the the DT 39928 235 6 wave wave NN 39928 235 7 - - HYPH 39928 235 8 lengths length NNS 39928 235 9 are be VBP 39928 235 10 the the DT 39928 235 11 distance distance NN 39928 235 12 apart apart RB 39928 235 13 of of IN 39928 235 14 the the DT 39928 235 15 lines line NNS 39928 235 16 , , , 39928 235 17 the the DT 39928 235 18 distance distance NN 39928 235 19 of of IN 39928 235 20 the the DT 39928 235 21 screen screen NN 39928 235 22 , , , 39928 235 23 and and CC 39928 235 24 the the DT 39928 235 25 distance distance NN 39928 235 26 apart apart RB 39928 235 27 of of IN 39928 235 28 the the DT 39928 235 29 first first JJ 39928 235 30 pair pair NN 39928 235 31 of of IN 39928 235 32 dark dark JJ 39928 235 33 lines line NNS 39928 235 34 on on IN 39928 235 35 each each DT 39928 235 36 side side NN 39928 235 37 of of IN 39928 235 38 the the DT 39928 235 39 central central JJ 39928 235 40 bright bright JJ 39928 235 41 line line NN 39928 235 42 . . . 39928 236 1 All all PDT 39928 236 2 these these DT 39928 236 3 can can MD 39928 236 4 be be VB 39928 236 5 measured measure VBN 39928 236 6 with with IN 39928 236 7 extreme extreme JJ 39928 236 8 accuracy accuracy NN 39928 236 9 by by IN 39928 236 10 means mean NNS 39928 236 11 of of IN 39928 236 12 telescopes telescope NNS 39928 236 13 with with IN 39928 236 14 micrometers micrometer NNS 39928 236 15 and and CC 39928 236 16 other other JJ 39928 236 17 contrivances contrivance NNS 39928 236 18 , , , 39928 236 19 and and CC 39928 236 20 the the DT 39928 236 21 result result NN 39928 236 22 is be VBZ 39928 236 23 an an DT 39928 236 24 accuracy accuracy NN 39928 236 25 of of IN 39928 236 26 determination determination NN 39928 236 27 of of IN 39928 236 28 wave wave NN 39928 236 29 - - HYPH 39928 236 30 lengths length NNS 39928 236 31 which which WDT 39928 236 32 can can MD 39928 236 33 probably probably RB 39928 236 34 not not RB 39928 236 35 be be VB 39928 236 36 equalled equal VBN 39928 236 37 in in IN 39928 236 38 any any DT 39928 236 39 other other JJ 39928 236 40 kind kind NN 39928 236 41 of of IN 39928 236 42 measurement measurement NN 39928 236 43 . . . 39928 237 1 As as IN 39928 237 2 the the DT 39928 237 3 wave wave NN 39928 237 4 - - HYPH 39928 237 5 lengths length NNS 39928 237 6 are be VBP 39928 237 7 so so RB 39928 237 8 excessively excessively RB 39928 237 9 minute minute JJ 39928 237 10 , , , 39928 237 11 it -PRON- PRP 39928 237 12 has have VBZ 39928 237 13 been be VBN 39928 237 14 found find VBN 39928 237 15 convenient convenient JJ 39928 237 16 to to TO 39928 237 17 fix fix VB 39928 237 18 upon upon IN 39928 237 19 a a DT 39928 237 20 still still RB 39928 237 21 smaller small JJR 39928 237 22 unit unit NN 39928 237 23 of of IN 39928 237 24 measurement measurement NNP 39928 237 25 , , , 39928 237 26 and and CC 39928 237 27 as as IN 39928 237 28 the the DT 39928 237 29 millimetre millimetre NN 39928 237 30 is be VBZ 39928 237 31 the the DT 39928 237 32 smallest small JJS 39928 237 33 unit unit NN 39928 237 34 of of IN 39928 237 35 the the DT 39928 237 36 metric metric JJ 39928 237 37 system system NN 39928 237 38 , , , 39928 237 39 the the DT 39928 237 40 ten ten CD 39928 237 41 - - HYPH 39928 237 42 millionth millionth NN 39928 237 43 of of IN 39928 237 44 a a DT 39928 237 45 millimetre millimetre NN 39928 237 46 ( ( -LRB- 39928 237 47 technically technically RB 39928 237 48 termed term VBN 39928 237 49 ' ' '' 39928 237 50 tenth tenth JJ 39928 237 51 meter meter NN 39928 237 52 ' ' '' 39928 237 53 ) ) -RRB- 39928 237 54 is be VBZ 39928 237 55 the the DT 39928 237 56 unit unit NN 39928 237 57 adopted adopt VBN 39928 237 58 for for IN 39928 237 59 the the DT 39928 237 60 measurement measurement NN 39928 237 61 of of IN 39928 237 62 wave wave NN 39928 237 63 - - HYPH 39928 237 64 lengths length NNS 39928 237 65 , , , 39928 237 66 which which WDT 39928 237 67 is be VBZ 39928 237 68 equal equal JJ 39928 237 69 to to IN 39928 237 70 about about IN 39928 237 71 the the DT 39928 237 72 250 250 CD 39928 237 73 millionth millionth NN 39928 237 74 of of IN 39928 237 75 an an DT 39928 237 76 inch inch NN 39928 237 77 . . . 39928 238 1 Thus thus RB 39928 238 2 the the DT 39928 238 3 wave wave NN 39928 238 4 - - HYPH 39928 238 5 lengths length NNS 39928 238 6 of of IN 39928 238 7 the the DT 39928 238 8 red red JJ 39928 238 9 and and CC 39928 238 10 blue blue JJ 39928 238 11 lines line NNS 39928 238 12 characteristic characteristic JJ 39928 238 13 of of IN 39928 238 14 hydrogen hydrogen NN 39928 238 15 are be VBP 39928 238 16 6563.07 6563.07 CD 39928 238 17 and and CC 39928 238 18 4861.51 4861.51 CD 39928 238 19 respectively respectively RB 39928 238 20 . . . 39928 239 1 This this DT 39928 239 2 excessively excessively RB 39928 239 3 minute minute JJ 39928 239 4 scale scale NN 39928 239 5 of of IN 39928 239 6 wave wave NN 39928 239 7 - - HYPH 39928 239 8 lengths length NNS 39928 239 9 , , , 39928 239 10 once once RB 39928 239 11 determined determine VBN 39928 239 12 by by IN 39928 239 13 the the DT 39928 239 14 most most RBS 39928 239 15 refined refined JJ 39928 239 16 measurement measurement NN 39928 239 17 , , , 39928 239 18 is be VBZ 39928 239 19 of of IN 39928 239 20 very very RB 39928 239 21 great great JJ 39928 239 22 importance importance NN 39928 239 23 . . . 39928 240 1 Having have VBG 39928 240 2 the the DT 39928 240 3 wave wave NN 39928 240 4 - - HYPH 39928 240 5 lengths length NNS 39928 240 6 of of IN 39928 240 7 any any DT 39928 240 8 two two CD 39928 240 9 lines line NNS 39928 240 10 of of IN 39928 240 11 a a DT 39928 240 12 spectrum spectrum NN 39928 240 13 so so RB 39928 240 14 determined determined JJ 39928 240 15 , , , 39928 240 16 the the DT 39928 240 17 space space NN 39928 240 18 between between IN 39928 240 19 them -PRON- PRP 39928 240 20 can can MD 39928 240 21 be be VB 39928 240 22 laid lay VBN 39928 240 23 down down RP 39928 240 24 on on IN 39928 240 25 a a DT 39928 240 26 diagram diagram NN 39928 240 27 of of IN 39928 240 28 any any DT 39928 240 29 length length NN 39928 240 30 , , , 39928 240 31 and and CC 39928 240 32 all all PDT 39928 240 33 the the DT 39928 240 34 lines line NNS 39928 240 35 that that WDT 39928 240 36 occur occur VBP 39928 240 37 in in IN 39928 240 38 any any DT 39928 240 39 other other JJ 39928 240 40 spectrum spectrum NN 39928 240 41 between between IN 39928 240 42 these these DT 39928 240 43 two two CD 39928 240 44 lines line NNS 39928 240 45 can can MD 39928 240 46 be be VB 39928 240 47 marked mark VBN 39928 240 48 in in IN 39928 240 49 their -PRON- PRP$ 39928 240 50 exact exact JJ 39928 240 51 relative relative JJ 39928 240 52 positions position NNS 39928 240 53 . . . 39928 241 1 Now now RB 39928 241 2 , , , 39928 241 3 as as IN 39928 241 4 the the DT 39928 241 5 visible visible JJ 39928 241 6 spectrum spectrum NN 39928 241 7 consists consist VBZ 39928 241 8 of of IN 39928 241 9 about about RB 39928 241 10 300,000 300,000 CD 39928 241 11 rays ray NNS 39928 241 12 of of IN 39928 241 13 light light NN 39928 241 14 , , , 39928 241 15 each each DT 39928 241 16 of of IN 39928 241 17 different different JJ 39928 241 18 wave wave NN 39928 241 19 - - HYPH 39928 241 20 lengths length NNS 39928 241 21 and and CC 39928 241 22 therefore therefore RB 39928 241 23 of of IN 39928 241 24 different different JJ 39928 241 25 refrangibilities refrangibilitie NNS 39928 241 26 , , , 39928 241 27 if if IN 39928 241 28 it -PRON- PRP 39928 241 29 is be VBZ 39928 241 30 laid lay VBN 39928 241 31 down down RP 39928 241 32 on on IN 39928 241 33 such such PDT 39928 241 34 a a DT 39928 241 35 scale scale NN 39928 241 36 as as IN 39928 241 37 to to TO 39928 241 38 be be VB 39928 241 39 of of IN 39928 241 40 a a DT 39928 241 41 length length NN 39928 241 42 of of IN 39928 241 43 3000 3000 CD 39928 241 44 inches inch NNS 39928 241 45 ( ( -LRB- 39928 241 46 250 250 CD 39928 241 47 feet foot NNS 39928 241 48 ) ) -RRB- 39928 241 49 , , , 39928 241 50 each each DT 39928 241 51 wave wave NN 39928 241 52 - - HYPH 39928 241 53 length length NN 39928 241 54 will will MD 39928 241 55 be be VB 39928 241 56 1/100 1/100 CD 39928 241 57 of of IN 39928 241 58 an an DT 39928 241 59 inch inch NN 39928 241 60 long long RB 39928 241 61 , , , 39928 241 62 a a DT 39928 241 63 space space NN 39928 241 64 easily easily RB 39928 241 65 visible visible JJ 39928 241 66 by by IN 39928 241 67 the the DT 39928 241 68 naked naked JJ 39928 241 69 eye eye NN 39928 241 70 . . . 39928 242 1 The the DT 39928 242 2 possession possession NN 39928 242 3 of of IN 39928 242 4 an an DT 39928 242 5 instrument instrument NN 39928 242 6 of of IN 39928 242 7 such such JJ 39928 242 8 wonderful wonderful JJ 39928 242 9 delicacy delicacy NN 39928 242 10 , , , 39928 242 11 and and CC 39928 242 12 with with IN 39928 242 13 powers power NNS 39928 242 14 which which WDT 39928 242 15 enable enable VBP 39928 242 16 it -PRON- PRP 39928 242 17 to to TO 39928 242 18 penetrate penetrate VB 39928 242 19 into into IN 39928 242 20 the the DT 39928 242 21 inner inner JJ 39928 242 22 constitution constitution NN 39928 242 23 of of IN 39928 242 24 the the DT 39928 242 25 remotest remotest NN 39928 242 26 orbs orb NNS 39928 242 27 of of IN 39928 242 28 space space NN 39928 242 29 , , , 39928 242 30 rendered render VBD 39928 242 31 it -PRON- PRP 39928 242 32 possible possible JJ 39928 242 33 , , , 39928 242 34 within within IN 39928 242 35 the the DT 39928 242 36 next next JJ 39928 242 37 quarter quarter NN 39928 242 38 of of IN 39928 242 39 a a DT 39928 242 40 century century NN 39928 242 41 , , , 39928 242 42 to to TO 39928 242 43 establish establish VB 39928 242 44 what what WP 39928 242 45 is be VBZ 39928 242 46 practically practically RB 39928 242 47 a a DT 39928 242 48 new new JJ 39928 242 49 science science NN 39928 242 50 -- -- : 39928 242 51 Astrophysics astrophysic NNS 39928 242 52 -- -- : 39928 242 53 often often RB 39928 242 54 popularly popularly RB 39928 242 55 termed term VBD 39928 242 56 the the DT 39928 242 57 New New NNP 39928 242 58 Astronomy Astronomy NNP 39928 242 59 . . . 39928 243 1 A a DT 39928 243 2 brief brief JJ 39928 243 3 outline outline NN 39928 243 4 of of IN 39928 243 5 the the DT 39928 243 6 main main JJ 39928 243 7 achievements achievement NNS 39928 243 8 of of IN 39928 243 9 this this DT 39928 243 10 science science NN 39928 243 11 must must MD 39928 243 12 now now RB 39928 243 13 be be VB 39928 243 14 given give VBN 39928 243 15 . . . 39928 244 1 The the DT 39928 244 2 first first JJ 39928 244 3 great great JJ 39928 244 4 discovery discovery NN 39928 244 5 made make VBN 39928 244 6 by by IN 39928 244 7 Spectrum Spectrum NNP 39928 244 8 analysis analysis NN 39928 244 9 , , , 39928 244 10 after after IN 39928 244 11 the the DT 39928 244 12 interpretation interpretation NN 39928 244 13 of of IN 39928 244 14 the the DT 39928 244 15 sun sun NN 39928 244 16 's 's POS 39928 244 17 spectrum spectrum NN 39928 244 18 had have VBD 39928 244 19 been be VBN 39928 244 20 obtained obtain VBN 39928 244 21 , , , 39928 244 22 was be VBD 39928 244 23 , , , 39928 244 24 the the DT 39928 244 25 real real JJ 39928 244 26 nature nature NN 39928 244 27 of of IN 39928 244 28 the the DT 39928 244 29 fixed fix VBN 39928 244 30 stars star NNS 39928 244 31 . . . 39928 245 1 It -PRON- PRP 39928 245 2 is be VBZ 39928 245 3 true true JJ 39928 245 4 they -PRON- PRP 39928 245 5 had have VBD 39928 245 6 long long RB 39928 245 7 been be VBN 39928 245 8 held hold VBN 39928 245 9 by by IN 39928 245 10 astronomers astronomer NNS 39928 245 11 to to TO 39928 245 12 be be VB 39928 245 13 suns sun NNS 39928 245 14 , , , 39928 245 15 but but CC 39928 245 16 this this DT 39928 245 17 was be VBD 39928 245 18 only only RB 39928 245 19 an an DT 39928 245 20 opinion opinion NN 39928 245 21 of of IN 39928 245 22 the the DT 39928 245 23 accuracy accuracy NN 39928 245 24 of of IN 39928 245 25 which which WDT 39928 245 26 it -PRON- PRP 39928 245 27 did do VBD 39928 245 28 not not RB 39928 245 29 seem seem VB 39928 245 30 possible possible JJ 39928 245 31 to to TO 39928 245 32 obtain obtain VB 39928 245 33 any any DT 39928 245 34 proof proof NN 39928 245 35 . . . 39928 246 1 The the DT 39928 246 2 opinion opinion NN 39928 246 3 was be VBD 39928 246 4 founded found VBN 39928 246 5 on on IN 39928 246 6 two two CD 39928 246 7 facts fact NNS 39928 246 8 -- -- : 39928 246 9 their -PRON- PRP$ 39928 246 10 enormous enormous JJ 39928 246 11 distance distance NN 39928 246 12 from from IN 39928 246 13 us -PRON- PRP 39928 246 14 , , , 39928 246 15 so so RB 39928 246 16 great great JJ 39928 246 17 that that IN 39928 246 18 the the DT 39928 246 19 whole whole JJ 39928 246 20 diameter diameter NN 39928 246 21 of of IN 39928 246 22 the the DT 39928 246 23 earth earth NN 39928 246 24 's 's POS 39928 246 25 orbit orbit NN 39928 246 26 did do VBD 39928 246 27 not not RB 39928 246 28 lead lead VB 39928 246 29 to to IN 39928 246 30 any any DT 39928 246 31 apparent apparent JJ 39928 246 32 change change NN 39928 246 33 of of IN 39928 246 34 their -PRON- PRP$ 39928 246 35 relative relative JJ 39928 246 36 positions position NNS 39928 246 37 , , , 39928 246 38 and and CC 39928 246 39 their -PRON- PRP$ 39928 246 40 intense intense JJ 39928 246 41 brilliancy brilliancy NN 39928 246 42 which which WDT 39928 246 43 at at IN 39928 246 44 such such JJ 39928 246 45 distances distance NNS 39928 246 46 could could MD 39928 246 47 only only RB 39928 246 48 be be VB 39928 246 49 due due JJ 39928 246 50 to to IN 39928 246 51 an an DT 39928 246 52 actual actual JJ 39928 246 53 size size NN 39928 246 54 and and CC 39928 246 55 splendour splendour NN 39928 246 56 comparable comparable JJ 39928 246 57 with with IN 39928 246 58 our -PRON- PRP$ 39928 246 59 sun sun NN 39928 246 60 . . . 39928 247 1 The the DT 39928 247 2 spectroscope spectroscope NN 39928 247 3 at at IN 39928 247 4 once once RB 39928 247 5 proved prove VBD 39928 247 6 the the DT 39928 247 7 correctness correctness NN 39928 247 8 of of IN 39928 247 9 this this DT 39928 247 10 opinion opinion NN 39928 247 11 . . . 39928 248 1 As as IN 39928 248 2 one one CD 39928 248 3 after after IN 39928 248 4 another another DT 39928 248 5 was be VBD 39928 248 6 examined examine VBN 39928 248 7 , , , 39928 248 8 they -PRON- PRP 39928 248 9 were be VBD 39928 248 10 found find VBN 39928 248 11 to to TO 39928 248 12 exhibit exhibit VB 39928 248 13 spectra spectra NN 39928 248 14 of of IN 39928 248 15 the the DT 39928 248 16 same same JJ 39928 248 17 general general JJ 39928 248 18 type type NN 39928 248 19 as as IN 39928 248 20 that that DT 39928 248 21 of of IN 39928 248 22 the the DT 39928 248 23 sun sun NN 39928 248 24 -- -- : 39928 248 25 a a DT 39928 248 26 band band NN 39928 248 27 of of IN 39928 248 28 colours colour NNS 39928 248 29 crossed cross VBN 39928 248 30 by by IN 39928 248 31 dark dark JJ 39928 248 32 lines line NNS 39928 248 33 . . . 39928 249 1 The the DT 39928 249 2 very very RB 39928 249 3 first first JJ 39928 249 4 stars star NNS 39928 249 5 examined examine VBN 39928 249 6 by by IN 39928 249 7 Sir Sir NNP 39928 249 8 William William NNP 39928 249 9 Huggins Huggins NNP 39928 249 10 showed show VBD 39928 249 11 the the DT 39928 249 12 existence existence NN 39928 249 13 of of IN 39928 249 14 nine nine CD 39928 249 15 or or CC 39928 249 16 ten ten CD 39928 249 17 of of IN 39928 249 18 our -PRON- PRP$ 39928 249 19 elements element NNS 39928 249 20 . . . 39928 250 1 Very very RB 39928 250 2 soon soon RB 39928 250 3 all all PDT 39928 250 4 the the DT 39928 250 5 chief chief JJ 39928 250 6 stars star NNS 39928 250 7 of of IN 39928 250 8 the the DT 39928 250 9 heavens heavens NNPS 39928 250 10 were be VBD 39928 250 11 spectroscopically spectroscopically RB 39928 250 12 examined examine VBN 39928 250 13 , , , 39928 250 14 and and CC 39928 250 15 it -PRON- PRP 39928 250 16 was be VBD 39928 250 17 found find VBN 39928 250 18 that that IN 39928 250 19 they -PRON- PRP 39928 250 20 could could MD 39928 250 21 be be VB 39928 250 22 classed class VBN 39928 250 23 in in IN 39928 250 24 three three CD 39928 250 25 or or CC 39928 250 26 four four CD 39928 250 27 groups group NNS 39928 250 28 . . . 39928 251 1 The the DT 39928 251 2 first first JJ 39928 251 3 and and CC 39928 251 4 largest large JJS 39928 251 5 group group NN 39928 251 6 contains contain VBZ 39928 251 7 more more JJR 39928 251 8 than than IN 39928 251 9 half half PDT 39928 251 10 the the DT 39928 251 11 visible visible JJ 39928 251 12 stars star NNS 39928 251 13 , , , 39928 251 14 and and CC 39928 251 15 a a DT 39928 251 16 still still RB 39928 251 17 larger large JJR 39928 251 18 proportion proportion NN 39928 251 19 of of IN 39928 251 20 the the DT 39928 251 21 most most RBS 39928 251 22 brilliant brilliant JJ 39928 251 23 , , , 39928 251 24 such such JJ 39928 251 25 as as IN 39928 251 26 Sirius Sirius NNP 39928 251 27 , , , 39928 251 28 Vega Vega NNP 39928 251 29 , , , 39928 251 30 Regulus Regulus NNP 39928 251 31 , , , 39928 251 32 and and CC 39928 251 33 Alpha Alpha NNP 39928 251 34 Crucis Crucis NNP 39928 251 35 in in IN 39928 251 36 the the DT 39928 251 37 Southern Southern NNP 39928 251 38 Hemisphere Hemisphere NNP 39928 251 39 . . . 39928 252 1 They -PRON- PRP 39928 252 2 are be VBP 39928 252 3 characterised characterise VBN 39928 252 4 by by IN 39928 252 5 a a DT 39928 252 6 white white JJ 39928 252 7 or or CC 39928 252 8 bluish bluish JJ 39928 252 9 light light NN 39928 252 10 , , , 39928 252 11 rich rich JJ 39928 252 12 in in IN 39928 252 13 the the DT 39928 252 14 ultra ultra JJ 39928 252 15 - - JJ 39928 252 16 violet violet JJ 39928 252 17 rays ray NNS 39928 252 18 , , , 39928 252 19 and and CC 39928 252 20 their -PRON- PRP$ 39928 252 21 spectra spectrum NNS 39928 252 22 are be VBP 39928 252 23 distinguished distinguish VBN 39928 252 24 by by IN 39928 252 25 the the DT 39928 252 26 breadth breadth NN 39928 252 27 and and CC 39928 252 28 intensity intensity NN 39928 252 29 of of IN 39928 252 30 the the DT 39928 252 31 four four CD 39928 252 32 dark dark JJ 39928 252 33 bands band NNS 39928 252 34 due due JJ 39928 252 35 to to IN 39928 252 36 the the DT 39928 252 37 absorption absorption NN 39928 252 38 of of IN 39928 252 39 hydrogen hydrogen NN 39928 252 40 , , , 39928 252 41 while while IN 39928 252 42 the the DT 39928 252 43 various various JJ 39928 252 44 black black JJ 39928 252 45 lines line NNS 39928 252 46 which which WDT 39928 252 47 indicate indicate VBP 39928 252 48 metallic metallic JJ 39928 252 49 vapours vapour NNS 39928 252 50 are be VBP 39928 252 51 comparatively comparatively RB 39928 252 52 few few JJ 39928 252 53 , , , 39928 252 54 though though IN 39928 252 55 hundreds hundred NNS 39928 252 56 of of IN 39928 252 57 them -PRON- PRP 39928 252 58 can can MD 39928 252 59 be be VB 39928 252 60 discovered discover VBN 39928 252 61 by by IN 39928 252 62 careful careful JJ 39928 252 63 examination examination NN 39928 252 64 . . . 39928 253 1 The the DT 39928 253 2 next next JJ 39928 253 3 group group NN 39928 253 4 , , , 39928 253 5 to to TO 39928 253 6 which which WDT 39928 253 7 Capella Capella NNP 39928 253 8 and and CC 39928 253 9 Arcturus Arcturus NNP 39928 253 10 belong belong VBP 39928 253 11 , , , 39928 253 12 is be VBZ 39928 253 13 also also RB 39928 253 14 very very RB 39928 253 15 numerous numerous JJ 39928 253 16 , , , 39928 253 17 and and CC 39928 253 18 forms form VBZ 39928 253 19 the the DT 39928 253 20 solar solar JJ 39928 253 21 type type NN 39928 253 22 of of IN 39928 253 23 stars star NNS 39928 253 24 . . . 39928 254 1 Their -PRON- PRP$ 39928 254 2 light light NN 39928 254 3 is be VBZ 39928 254 4 of of IN 39928 254 5 a a DT 39928 254 6 yellowish yellowish JJ 39928 254 7 colour colour NN 39928 254 8 , , , 39928 254 9 and and CC 39928 254 10 their -PRON- PRP$ 39928 254 11 spectra spectrum NNS 39928 254 12 are be VBP 39928 254 13 crossed cross VBN 39928 254 14 throughout throughout IN 39928 254 15 by by IN 39928 254 16 innumerable innumerable JJ 39928 254 17 fine fine JJ 39928 254 18 dark dark JJ 39928 254 19 lines line NNS 39928 254 20 more more RBR 39928 254 21 or or CC 39928 254 22 less less RBR 39928 254 23 closely closely RB 39928 254 24 corresponding correspond VBG 39928 254 25 with with IN 39928 254 26 those those DT 39928 254 27 in in IN 39928 254 28 the the DT 39928 254 29 solar solar JJ 39928 254 30 spectrum spectrum NN 39928 254 31 . . . 39928 255 1 The the DT 39928 255 2 third third JJ 39928 255 3 group group NN 39928 255 4 consists consist VBZ 39928 255 5 of of IN 39928 255 6 red red JJ 39928 255 7 and and CC 39928 255 8 variable variable JJ 39928 255 9 stars star NNS 39928 255 10 , , , 39928 255 11 which which WDT 39928 255 12 are be VBP 39928 255 13 characterised characterise VBN 39928 255 14 by by IN 39928 255 15 fluted fluted JJ 39928 255 16 spectra spectra NNP 39928 255 17 . . . 39928 256 1 Such such JJ 39928 256 2 spectra spectra NNP 39928 256 3 show show NN 39928 256 4 like like IN 39928 256 5 a a DT 39928 256 6 range range NN 39928 256 7 of of IN 39928 256 8 Doric doric JJ 39928 256 9 columns column NNS 39928 256 10 seen see VBN 39928 256 11 in in IN 39928 256 12 perspective perspective NN 39928 256 13 , , , 39928 256 14 the the DT 39928 256 15 red red JJ 39928 256 16 side side NN 39928 256 17 being be VBG 39928 256 18 that that IN 39928 256 19 most most RBS 39928 256 20 illuminated illuminate VBN 39928 256 21 . . . 39928 257 1 The the DT 39928 257 2 last last JJ 39928 257 3 group group NN 39928 257 4 , , , 39928 257 5 consisting consist VBG 39928 257 6 of of IN 39928 257 7 few few JJ 39928 257 8 and and CC 39928 257 9 comparatively comparatively RB 39928 257 10 small small JJ 39928 257 11 stars star NNS 39928 257 12 , , , 39928 257 13 has have VBZ 39928 257 14 also also RB 39928 257 15 fluted flute VBN 39928 257 16 spectra spectra NNP 39928 257 17 , , , 39928 257 18 but but CC 39928 257 19 the the DT 39928 257 20 light light NN 39928 257 21 appears appear VBZ 39928 257 22 to to TO 39928 257 23 come come VB 39928 257 24 from from IN 39928 257 25 the the DT 39928 257 26 opposite opposite JJ 39928 257 27 direction direction NN 39928 257 28 . . . 39928 258 1 These these DT 39928 258 2 groups group NNS 39928 258 3 were be VBD 39928 258 4 established establish VBN 39928 258 5 by by IN 39928 258 6 Father Father NNP 39928 258 7 Secchi Secchi NNP 39928 258 8 , , , 39928 258 9 the the DT 39928 258 10 Roman roman JJ 39928 258 11 astronomer astronomer NN 39928 258 12 , , , 39928 258 13 in in IN 39928 258 14 1867 1867 CD 39928 258 15 , , , 39928 258 16 and and CC 39928 258 17 have have VBP 39928 258 18 been be VBN 39928 258 19 adopted adopt VBN 39928 258 20 with with IN 39928 258 21 some some DT 39928 258 22 modifications modification NNS 39928 258 23 by by IN 39928 258 24 Vogel Vogel NNP 39928 258 25 of of IN 39928 258 26 the the DT 39928 258 27 Astrophysical Astrophysical NNP 39928 258 28 Observatory Observatory NNP 39928 258 29 at at IN 39928 258 30 Potsdam Potsdam NNP 39928 258 31 . . . 39928 259 1 The the DT 39928 259 2 exact exact JJ 39928 259 3 interpretation interpretation NN 39928 259 4 of of IN 39928 259 5 these these DT 39928 259 6 different different JJ 39928 259 7 spectra spectra NN 39928 259 8 is be VBZ 39928 259 9 somewhat somewhat RB 39928 259 10 uncertain uncertain JJ 39928 259 11 , , , 39928 259 12 but but CC 39928 259 13 there there EX 39928 259 14 can can MD 39928 259 15 be be VB 39928 259 16 little little JJ 39928 259 17 doubt doubt NN 39928 259 18 that that IN 39928 259 19 they -PRON- PRP 39928 259 20 coincide coincide VBP 39928 259 21 primarily primarily RB 39928 259 22 with with IN 39928 259 23 differences difference NNS 39928 259 24 of of IN 39928 259 25 temperature temperature NN 39928 259 26 and and CC 39928 259 27 with with IN 39928 259 28 corresponding corresponding JJ 39928 259 29 differences difference NNS 39928 259 30 in in IN 39928 259 31 the the DT 39928 259 32 composition composition NN 39928 259 33 and and CC 39928 259 34 extent extent NN 39928 259 35 of of IN 39928 259 36 the the DT 39928 259 37 absorptive absorptive JJ 39928 259 38 atmospheres atmosphere NNS 39928 259 39 . . . 39928 260 1 Stars star NNS 39928 260 2 with with IN 39928 260 3 fluted fluted JJ 39928 260 4 spectra spectra NNP 39928 260 5 indicate indicate VBP 39928 260 6 the the DT 39928 260 7 presence presence NN 39928 260 8 of of IN 39928 260 9 vapours vapour NNS 39928 260 10 of of IN 39928 260 11 the the DT 39928 260 12 metalloids metalloid NNS 39928 260 13 or or CC 39928 260 14 of of IN 39928 260 15 compound compound NN 39928 260 16 substances substance NNS 39928 260 17 , , , 39928 260 18 while while IN 39928 260 19 the the DT 39928 260 20 reversed reversed JJ 39928 260 21 flutings fluting NNS 39928 260 22 indicate indicate VBP 39928 260 23 the the DT 39928 260 24 presence presence NN 39928 260 25 of of IN 39928 260 26 carbon carbon NN 39928 260 27 . . . 39928 261 1 These these DT 39928 261 2 conclusions conclusion NNS 39928 261 3 have have VBP 39928 261 4 been be VBN 39928 261 5 reached reach VBN 39928 261 6 by by IN 39928 261 7 careful careful JJ 39928 261 8 laboratory laboratory NN 39928 261 9 experiments experiment NNS 39928 261 10 which which WDT 39928 261 11 are be VBP 39928 261 12 now now RB 39928 261 13 carried carry VBN 39928 261 14 on on RP 39928 261 15 at at IN 39928 261 16 the the DT 39928 261 17 same same JJ 39928 261 18 time time NN 39928 261 19 as as IN 39928 261 20 the the DT 39928 261 21 spectral spectral JJ 39928 261 22 examination examination NN 39928 261 23 of of IN 39928 261 24 the the DT 39928 261 25 stars star NNS 39928 261 26 and and CC 39928 261 27 other other JJ 39928 261 28 heavenly heavenly JJ 39928 261 29 bodies body NNS 39928 261 30 , , , 39928 261 31 so so IN 39928 261 32 that that IN 39928 261 33 each each DT 39928 261 34 peculiarity peculiarity NN 39928 261 35 of of IN 39928 261 36 their -PRON- PRP$ 39928 261 37 spectra spectra NN 39928 261 38 , , , 39928 261 39 however however RB 39928 261 40 puzzling puzzle VBG 39928 261 41 and and CC 39928 261 42 apparently apparently RB 39928 261 43 unmeaning unmeaning JJ 39928 261 44 , , , 39928 261 45 has have VBZ 39928 261 46 been be VBN 39928 261 47 usually usually RB 39928 261 48 explained explain VBN 39928 261 49 , , , 39928 261 50 by by IN 39928 261 51 being be VBG 39928 261 52 shown show VBN 39928 261 53 to to TO 39928 261 54 indicate indicate VB 39928 261 55 certain certain JJ 39928 261 56 conditions condition NNS 39928 261 57 of of IN 39928 261 58 chemical chemical NN 39928 261 59 constitution constitution NN 39928 261 60 or or CC 39928 261 61 of of IN 39928 261 62 temperature temperature NN 39928 261 63 . . . 39928 262 1 But but CC 39928 262 2 whatever whatever WDT 39928 262 3 difficulty difficulty NN 39928 262 4 there there EX 39928 262 5 may may MD 39928 262 6 be be VB 39928 262 7 in in IN 39928 262 8 explaining explain VBG 39928 262 9 details detail NNS 39928 262 10 , , , 39928 262 11 there there EX 39928 262 12 remains remain VBZ 39928 262 13 no no RB 39928 262 14 doubt doubt RB 39928 262 15 whatever whatever WDT 39928 262 16 of of IN 39928 262 17 the the DT 39928 262 18 fundamental fundamental JJ 39928 262 19 fact fact NN 39928 262 20 that that IN 39928 262 21 all all PDT 39928 262 22 the the DT 39928 262 23 stars star NNS 39928 262 24 are be VBP 39928 262 25 true true JJ 39928 262 26 suns sun NNS 39928 262 27 , , , 39928 262 28 differing differ VBG 39928 262 29 no no DT 39928 262 30 doubt doubt NN 39928 262 31 in in IN 39928 262 32 size size NN 39928 262 33 , , , 39928 262 34 and and CC 39928 262 35 their -PRON- PRP$ 39928 262 36 stage stage NN 39928 262 37 of of IN 39928 262 38 development development NN 39928 262 39 as as IN 39928 262 40 indicated indicate VBN 39928 262 41 by by IN 39928 262 42 the the DT 39928 262 43 colour colour NN 39928 262 44 or or CC 39928 262 45 intensity intensity NN 39928 262 46 of of IN 39928 262 47 their -PRON- PRP$ 39928 262 48 light light NN 39928 262 49 or or CC 39928 262 50 heat heat NN 39928 262 51 , , , 39928 262 52 but but CC 39928 262 53 all all DT 39928 262 54 alike alike RB 39928 262 55 possessing possess VBG 39928 262 56 a a DT 39928 262 57 photosphere photosphere NN 39928 262 58 or or CC 39928 262 59 light light NN 39928 262 60 - - HYPH 39928 262 61 emitting emit VBG 39928 262 62 surface surface NN 39928 262 63 , , , 39928 262 64 and and CC 39928 262 65 absorptive absorptive JJ 39928 262 66 atmospheres atmosphere NNS 39928 262 67 of of IN 39928 262 68 various various JJ 39928 262 69 qualities quality NNS 39928 262 70 and and CC 39928 262 71 density density NN 39928 262 72 . . . 39928 263 1 Innumerable innumerable JJ 39928 263 2 other other JJ 39928 263 3 details detail NNS 39928 263 4 , , , 39928 263 5 such such JJ 39928 263 6 as as IN 39928 263 7 the the DT 39928 263 8 often often RB 39928 263 9 contrasted contrast VBN 39928 263 10 colours colour NNS 39928 263 11 of of IN 39928 263 12 double double JJ 39928 263 13 stars star NNS 39928 263 14 , , , 39928 263 15 the the DT 39928 263 16 occasional occasional JJ 39928 263 17 variability variability NN 39928 263 18 of of IN 39928 263 19 their -PRON- PRP$ 39928 263 20 spectra spectra NN 39928 263 21 , , , 39928 263 22 their -PRON- PRP$ 39928 263 23 relations relation NNS 39928 263 24 to to IN 39928 263 25 the the DT 39928 263 26 nebulæ nebulæ NN 39928 263 27 , , , 39928 263 28 the the DT 39928 263 29 various various JJ 39928 263 30 stages stage NNS 39928 263 31 of of IN 39928 263 32 their -PRON- PRP$ 39928 263 33 development development NN 39928 263 34 and and CC 39928 263 35 other other JJ 39928 263 36 problems problem NNS 39928 263 37 of of IN 39928 263 38 equal equal JJ 39928 263 39 interest interest NN 39928 263 40 , , , 39928 263 41 have have VBP 39928 263 42 occupied occupy VBN 39928 263 43 the the DT 39928 263 44 continued continue VBN 39928 263 45 attention attention NN 39928 263 46 of of IN 39928 263 47 astronomers astronomer NNS 39928 263 48 , , , 39928 263 49 spectroscopists spectroscopist NNS 39928 263 50 , , , 39928 263 51 and and CC 39928 263 52 chemists chemist NNS 39928 263 53 ; ; : 39928 263 54 but but CC 39928 263 55 further further JJ 39928 263 56 reference reference NN 39928 263 57 to to IN 39928 263 58 these these DT 39928 263 59 difficult difficult JJ 39928 263 60 questions question NNS 39928 263 61 would would MD 39928 263 62 be be VB 39928 263 63 out out IN 39928 263 64 of of IN 39928 263 65 place place NN 39928 263 66 here here RB 39928 263 67 . . . 39928 264 1 The the DT 39928 264 2 present present JJ 39928 264 3 sketch sketch NN 39928 264 4 of of IN 39928 264 5 the the DT 39928 264 6 nature nature NN 39928 264 7 of of IN 39928 264 8 spectrum spectrum NN 39928 264 9 - - HYPH 39928 264 10 analysis analysis NN 39928 264 11 applied apply VBD 39928 264 12 to to IN 39928 264 13 the the DT 39928 264 14 stars star NNS 39928 264 15 is be VBZ 39928 264 16 for for IN 39928 264 17 the the DT 39928 264 18 purpose purpose NN 39928 264 19 of of IN 39928 264 20 making make VBG 39928 264 21 its -PRON- PRP$ 39928 264 22 principle principle NN 39928 264 23 and and CC 39928 264 24 method method NN 39928 264 25 of of IN 39928 264 26 observation observation NN 39928 264 27 intelligible intelligible JJ 39928 264 28 to to IN 39928 264 29 every every DT 39928 264 30 educated educate VBN 39928 264 31 reader reader NN 39928 264 32 , , , 39928 264 33 and and CC 39928 264 34 to to TO 39928 264 35 illustrate illustrate VB 39928 264 36 the the DT 39928 264 37 marvellous marvellous JJ 39928 264 38 precision precision NN 39928 264 39 and and CC 39928 264 40 accuracy accuracy NN 39928 264 41 of of IN 39928 264 42 the the DT 39928 264 43 results result NNS 39928 264 44 attained attain VBN 39928 264 45 by by IN 39928 264 46 it -PRON- PRP 39928 264 47 . . . 39928 265 1 So so RB 39928 265 2 confident confident JJ 39928 265 3 are be VBP 39928 265 4 astronomers astronomer NNS 39928 265 5 of of IN 39928 265 6 this this DT 39928 265 7 accuracy accuracy NN 39928 265 8 that that WDT 39928 265 9 nothing nothing NN 39928 265 10 less less JJR 39928 265 11 than than IN 39928 265 12 _ _ NNP 39928 265 13 perfect perfect JJ 39928 265 14 correspondence correspondence NN 39928 265 15 _ _ NNP 39928 265 16 of of IN 39928 265 17 the the DT 39928 265 18 various various JJ 39928 265 19 bright bright JJ 39928 265 20 lines line NNS 39928 265 21 in in IN 39928 265 22 the the DT 39928 265 23 spectrum spectrum NN 39928 265 24 of of IN 39928 265 25 an an DT 39928 265 26 element element NN 39928 265 27 in in IN 39928 265 28 the the DT 39928 265 29 laboratory laboratory NN 39928 265 30 with with IN 39928 265 31 the the DT 39928 265 32 dark dark JJ 39928 265 33 lines line NNS 39928 265 34 in in IN 39928 265 35 the the DT 39928 265 36 spectrum spectrum NN 39928 265 37 of of IN 39928 265 38 the the DT 39928 265 39 sun sun NN 39928 265 40 or or CC 39928 265 41 of of IN 39928 265 42 a a DT 39928 265 43 star star NN 39928 265 44 is be VBZ 39928 265 45 required require VBN 39928 265 46 before before IN 39928 265 47 the the DT 39928 265 48 presence presence NN 39928 265 49 of of IN 39928 265 50 that that DT 39928 265 51 element element NN 39928 265 52 is be VBZ 39928 265 53 accepted accept VBN 39928 265 54 as as IN 39928 265 55 proved prove VBN 39928 265 56 . . . 39928 266 1 As as IN 39928 266 2 Miss Miss NNP 39928 266 3 Clerke Clerke NNP 39928 266 4 tersely tersely RB 39928 266 5 puts put VBZ 39928 266 6 it--'Spectroscopic it--'spectroscopic JJ 39928 266 7 coincidences coincidence NNS 39928 266 8 admit admit VBP 39928 266 9 of of IN 39928 266 10 no no DT 39928 266 11 compromise compromise NN 39928 266 12 . . . 39928 267 1 Either either CC 39928 267 2 they -PRON- PRP 39928 267 3 are be VBP 39928 267 4 absolute absolute JJ 39928 267 5 or or CC 39928 267 6 they -PRON- PRP 39928 267 7 are be VBP 39928 267 8 worthless worthless JJ 39928 267 9 . . . 39928 267 10 ' ' '' 39928 268 1 MEASUREMENT MEASUREMENT NNP 39928 268 2 OF of IN 39928 268 3 MOTION MOTION NNP 39928 268 4 IN in IN 39928 268 5 THE the DT 39928 268 6 LINE LINE NNP 39928 268 7 OF of IN 39928 268 8 SIGHT SIGHT NNP 39928 268 9 We -PRON- PRP 39928 268 10 must must MD 39928 268 11 now now RB 39928 268 12 describe describe VB 39928 268 13 another another DT 39928 268 14 and and CC 39928 268 15 quite quite RB 39928 268 16 distinct distinct JJ 39928 268 17 application application NN 39928 268 18 of of IN 39928 268 19 the the DT 39928 268 20 spectroscope spectroscope NN 39928 268 21 , , , 39928 268 22 which which WDT 39928 268 23 is be VBZ 39928 268 24 even even RB 39928 268 25 more more RBR 39928 268 26 marvellous marvellous JJ 39928 268 27 than than IN 39928 268 28 that that DT 39928 268 29 already already RB 39928 268 30 described describe VBN 39928 268 31 . . . 39928 269 1 It -PRON- PRP 39928 269 2 is be VBZ 39928 269 3 the the DT 39928 269 4 method method NN 39928 269 5 of of IN 39928 269 6 measuring measure VBG 39928 269 7 the the DT 39928 269 8 rate rate NN 39928 269 9 of of IN 39928 269 10 motion motion NN 39928 269 11 of of IN 39928 269 12 any any DT 39928 269 13 of of IN 39928 269 14 the the DT 39928 269 15 visible visible JJ 39928 269 16 heavenly heavenly JJ 39928 269 17 bodies body NNS 39928 269 18 in in IN 39928 269 19 a a DT 39928 269 20 direction direction NN 39928 269 21 either either CC 39928 269 22 directly directly RB 39928 269 23 towards towards IN 39928 269 24 us -PRON- PRP 39928 269 25 , , , 39928 269 26 or or CC 39928 269 27 directly directly RB 39928 269 28 away away RB 39928 269 29 from from IN 39928 269 30 us -PRON- PRP 39928 269 31 , , , 39928 269 32 technically technically RB 39928 269 33 described describe VBN 39928 269 34 as as IN 39928 269 35 ' ' `` 39928 269 36 radial radial JJ 39928 269 37 motion motion NN 39928 269 38 , , , 39928 269 39 ' ' '' 39928 269 40 or or CC 39928 269 41 by by IN 39928 269 42 the the DT 39928 269 43 expression--'in expression--'in NN 39928 269 44 the the DT 39928 269 45 line line NN 39928 269 46 of of IN 39928 269 47 sight sight NN 39928 269 48 . . . 39928 269 49 ' ' '' 39928 270 1 And and CC 39928 270 2 the the DT 39928 270 3 extraordinary extraordinary JJ 39928 270 4 thing thing NN 39928 270 5 is be VBZ 39928 270 6 that that IN 39928 270 7 this this DT 39928 270 8 power power NN 39928 270 9 of of IN 39928 270 10 measurement measurement NN 39928 270 11 is be VBZ 39928 270 12 altogether altogether RB 39928 270 13 independent independent JJ 39928 270 14 of of IN 39928 270 15 distance distance NN 39928 270 16 , , , 39928 270 17 so so IN 39928 270 18 that that IN 39928 270 19 the the DT 39928 270 20 rate rate NN 39928 270 21 of of IN 39928 270 22 motion motion NN 39928 270 23 in in IN 39928 270 24 miles mile NNS 39928 270 25 per per IN 39928 270 26 second second NN 39928 270 27 of of IN 39928 270 28 the the DT 39928 270 29 remotest remotest NN 39928 270 30 of of IN 39928 270 31 the the DT 39928 270 32 fixed fix VBN 39928 270 33 stars star NNS 39928 270 34 , , , 39928 270 35 if if IN 39928 270 36 sufficiently sufficiently RB 39928 270 37 bright bright JJ 39928 270 38 to to TO 39928 270 39 show show VB 39928 270 40 a a DT 39928 270 41 distinct distinct JJ 39928 270 42 spectrum spectrum NN 39928 270 43 , , , 39928 270 44 can can MD 39928 270 45 be be VB 39928 270 46 measured measure VBN 39928 270 47 with with IN 39928 270 48 as as RB 39928 270 49 much much JJ 39928 270 50 certainty certainty NN 39928 270 51 and and CC 39928 270 52 accuracy accuracy NN 39928 270 53 as as IN 39928 270 54 in in IN 39928 270 55 the the DT 39928 270 56 case case NN 39928 270 57 of of IN 39928 270 58 a a DT 39928 270 59 much much JJ 39928 270 60 nearer near JJR 39928 270 61 star star NN 39928 270 62 or or CC 39928 270 63 a a DT 39928 270 64 planet planet NN 39928 270 65 . . . 39928 271 1 In in IN 39928 271 2 order order NN 39928 271 3 to to TO 39928 271 4 understand understand VB 39928 271 5 how how WRB 39928 271 6 this this DT 39928 271 7 is be VBZ 39928 271 8 possible possible JJ 39928 271 9 we -PRON- PRP 39928 271 10 have have VBP 39928 271 11 again again RB 39928 271 12 to to TO 39928 271 13 refer refer VB 39928 271 14 to to IN 39928 271 15 the the DT 39928 271 16 wave wave NN 39928 271 17 - - HYPH 39928 271 18 theory theory NN 39928 271 19 of of IN 39928 271 20 light light NN 39928 271 21 ; ; : 39928 271 22 and and CC 39928 271 23 the the DT 39928 271 24 analogy analogy NN 39928 271 25 of of IN 39928 271 26 other other JJ 39928 271 27 wave wave NN 39928 271 28 - - HYPH 39928 271 29 motions motion NNS 39928 271 30 will will MD 39928 271 31 enable enable VB 39928 271 32 us -PRON- PRP 39928 271 33 better well RBR 39928 271 34 to to TO 39928 271 35 grasp grasp VB 39928 271 36 the the DT 39928 271 37 principle principle NN 39928 271 38 on on IN 39928 271 39 which which WDT 39928 271 40 these these DT 39928 271 41 calculations calculation NNS 39928 271 42 depend depend VBP 39928 271 43 . . . 39928 272 1 If if IN 39928 272 2 on on IN 39928 272 3 a a DT 39928 272 4 nearly nearly RB 39928 272 5 calm calm JJ 39928 272 6 day day NN 39928 272 7 we -PRON- PRP 39928 272 8 count count VBP 39928 272 9 the the DT 39928 272 10 waves wave NNS 39928 272 11 that that WDT 39928 272 12 pass pass VBP 39928 272 13 each each DT 39928 272 14 minute minute NN 39928 272 15 by by IN 39928 272 16 an an DT 39928 272 17 anchored anchor VBN 39928 272 18 steamboat steamboat NN 39928 272 19 , , , 39928 272 20 and and CC 39928 272 21 then then RB 39928 272 22 travel travel VB 39928 272 23 in in IN 39928 272 24 the the DT 39928 272 25 direction direction NN 39928 272 26 the the DT 39928 272 27 waves wave NNS 39928 272 28 come come VBP 39928 272 29 from from IN 39928 272 30 , , , 39928 272 31 we -PRON- PRP 39928 272 32 shall shall MD 39928 272 33 find find VB 39928 272 34 that that IN 39928 272 35 a a DT 39928 272 36 larger large JJR 39928 272 37 number number NN 39928 272 38 pass pass VB 39928 272 39 us -PRON- PRP 39928 272 40 in in IN 39928 272 41 the the DT 39928 272 42 same same JJ 39928 272 43 time time NN 39928 272 44 . . . 39928 273 1 Again again RB 39928 273 2 , , , 39928 273 3 if if IN 39928 273 4 we -PRON- PRP 39928 273 5 are be VBP 39928 273 6 standing stand VBG 39928 273 7 near near IN 39928 273 8 a a DT 39928 273 9 railway railway NN 39928 273 10 , , , 39928 273 11 and and CC 39928 273 12 an an DT 39928 273 13 engine engine NN 39928 273 14 comes come VBZ 39928 273 15 towards towards IN 39928 273 16 us -PRON- PRP 39928 273 17 whistling whistle VBG 39928 273 18 , , , 39928 273 19 we -PRON- PRP 39928 273 20 shall shall MD 39928 273 21 notice notice VB 39928 273 22 that that IN 39928 273 23 it -PRON- PRP 39928 273 24 changes change VBZ 39928 273 25 its -PRON- PRP$ 39928 273 26 tone tone NN 39928 273 27 as as IN 39928 273 28 it -PRON- PRP 39928 273 29 passes pass VBZ 39928 273 30 us -PRON- PRP 39928 273 31 ; ; : 39928 273 32 and and CC 39928 273 33 as as IN 39928 273 34 it -PRON- PRP 39928 273 35 recedes recede VBZ 39928 273 36 the the DT 39928 273 37 sound sound NN 39928 273 38 will will MD 39928 273 39 be be VB 39928 273 40 in in IN 39928 273 41 a a DT 39928 273 42 lower low JJR 39928 273 43 key key NN 39928 273 44 , , , 39928 273 45 although although IN 39928 273 46 the the DT 39928 273 47 engine engine NN 39928 273 48 may may MD 39928 273 49 be be VB 39928 273 50 at at IN 39928 273 51 exactly exactly RB 39928 273 52 the the DT 39928 273 53 same same JJ 39928 273 54 distance distance NN 39928 273 55 from from IN 39928 273 56 us -PRON- PRP 39928 273 57 as as IN 39928 273 58 when when WRB 39928 273 59 it -PRON- PRP 39928 273 60 was be VBD 39928 273 61 approaching approach VBG 39928 273 62 . . . 39928 274 1 Yet yet CC 39928 274 2 the the DT 39928 274 3 sound sound NN 39928 274 4 does do VBZ 39928 274 5 not not RB 39928 274 6 change change VB 39928 274 7 to to IN 39928 274 8 the the DT 39928 274 9 ear ear NN 39928 274 10 of of IN 39928 274 11 the the DT 39928 274 12 engine engine NN 39928 274 13 driver driver NN 39928 274 14 , , , 39928 274 15 the the DT 39928 274 16 cause cause NN 39928 274 17 of of IN 39928 274 18 the the DT 39928 274 19 change change NN 39928 274 20 being be VBG 39928 274 21 that that IN 39928 274 22 the the DT 39928 274 23 sound sound NN 39928 274 24 - - HYPH 39928 274 25 waves wave NNS 39928 274 26 reach reach VBP 39928 274 27 us -PRON- PRP 39928 274 28 in in IN 39928 274 29 quicker quick JJR 39928 274 30 succession succession NN 39928 274 31 as as IN 39928 274 32 the the DT 39928 274 33 source source NN 39928 274 34 of of IN 39928 274 35 the the DT 39928 274 36 waves wave NNS 39928 274 37 is be VBZ 39928 274 38 approaching approach VBG 39928 274 39 us -PRON- PRP 39928 274 40 than than IN 39928 274 41 when when WRB 39928 274 42 it -PRON- PRP 39928 274 43 is be VBZ 39928 274 44 retreating retreat VBG 39928 274 45 from from IN 39928 274 46 us -PRON- PRP 39928 274 47 . . . 39928 275 1 Now now RB 39928 275 2 , , , 39928 275 3 just just RB 39928 275 4 as as IN 39928 275 5 the the DT 39928 275 6 pitch pitch NN 39928 275 7 of of IN 39928 275 8 a a DT 39928 275 9 note note NN 39928 275 10 depends depend VBZ 39928 275 11 upon upon IN 39928 275 12 the the DT 39928 275 13 rapidity rapidity NN 39928 275 14 with with IN 39928 275 15 which which WDT 39928 275 16 the the DT 39928 275 17 successive successive JJ 39928 275 18 air air NN 39928 275 19 - - HYPH 39928 275 20 vibrations vibration NNS 39928 275 21 reach reach VBP 39928 275 22 our -PRON- PRP$ 39928 275 23 ear ear NN 39928 275 24 , , , 39928 275 25 so so RB 39928 275 26 does do VBZ 39928 275 27 the the DT 39928 275 28 colour colour NN 39928 275 29 of of IN 39928 275 30 a a DT 39928 275 31 particular particular JJ 39928 275 32 part part NN 39928 275 33 of of IN 39928 275 34 the the DT 39928 275 35 spectrum spectrum NN 39928 275 36 depend depend VBP 39928 275 37 upon upon IN 39928 275 38 the the DT 39928 275 39 rapidity rapidity NN 39928 275 40 with with IN 39928 275 41 which which WDT 39928 275 42 the the DT 39928 275 43 ethereal ethereal JJ 39928 275 44 waves wave NNS 39928 275 45 which which WDT 39928 275 46 produce produce VBP 39928 275 47 colour colour NN 39928 275 48 reach reach VB 39928 275 49 our -PRON- PRP$ 39928 275 50 eyes eye NNS 39928 275 51 ; ; : 39928 275 52 and and CC 39928 275 53 as as IN 39928 275 54 this this DT 39928 275 55 rapidity rapidity NN 39928 275 56 is be VBZ 39928 275 57 greater great JJR 39928 275 58 when when WRB 39928 275 59 the the DT 39928 275 60 source source NN 39928 275 61 of of IN 39928 275 62 the the DT 39928 275 63 light light NN 39928 275 64 is be VBZ 39928 275 65 approaching approach VBG 39928 275 66 than than IN 39928 275 67 when when WRB 39928 275 68 it -PRON- PRP 39928 275 69 is be VBZ 39928 275 70 receding recede VBG 39928 275 71 from from IN 39928 275 72 us -PRON- PRP 39928 275 73 , , , 39928 275 74 a a DT 39928 275 75 slight slight JJ 39928 275 76 shifting shifting NN 39928 275 77 of of IN 39928 275 78 the the DT 39928 275 79 position position NN 39928 275 80 of of IN 39928 275 81 the the DT 39928 275 82 coloured coloured JJ 39928 275 83 bands band NNS 39928 275 84 , , , 39928 275 85 and and CC 39928 275 86 therefore therefore RB 39928 275 87 of of IN 39928 275 88 the the DT 39928 275 89 dark dark JJ 39928 275 90 lines line NNS 39928 275 91 , , , 39928 275 92 will will MD 39928 275 93 occur occur VB 39928 275 94 , , , 39928 275 95 as as IN 39928 275 96 compared compare VBN 39928 275 97 with with IN 39928 275 98 their -PRON- PRP$ 39928 275 99 position position NN 39928 275 100 in in IN 39928 275 101 the the DT 39928 275 102 spectrum spectrum NN 39928 275 103 of of IN 39928 275 104 the the DT 39928 275 105 sun sun NN 39928 275 106 or or CC 39928 275 107 of of IN 39928 275 108 any any DT 39928 275 109 stationary stationary JJ 39928 275 110 source source NN 39928 275 111 of of IN 39928 275 112 light light NN 39928 275 113 , , , 39928 275 114 if if IN 39928 275 115 there there EX 39928 275 116 is be VBZ 39928 275 117 any any DT 39928 275 118 motion motion NN 39928 275 119 sufficient sufficient JJ 39928 275 120 in in IN 39928 275 121 amount amount NN 39928 275 122 to to TO 39928 275 123 produce produce VB 39928 275 124 a a DT 39928 275 125 perceptible perceptible JJ 39928 275 126 shift shift NN 39928 275 127 . . . 39928 276 1 That that IN 39928 276 2 such such PDT 39928 276 3 a a DT 39928 276 4 change change NN 39928 276 5 of of IN 39928 276 6 colour colour NN 39928 276 7 would would MD 39928 276 8 occur occur VB 39928 276 9 was be VBD 39928 276 10 pointed point VBN 39928 276 11 out out RP 39928 276 12 by by IN 39928 276 13 Professor Professor NNP 39928 276 14 Doppler Doppler NNP 39928 276 15 of of IN 39928 276 16 Prague Prague NNP 39928 276 17 in in IN 39928 276 18 1842 1842 CD 39928 276 19 , , , 39928 276 20 and and CC 39928 276 21 it -PRON- PRP 39928 276 22 is be VBZ 39928 276 23 hence hence RB 39928 276 24 usually usually RB 39928 276 25 spoken speak VBN 39928 276 26 of of IN 39928 276 27 as as IN 39928 276 28 the the DT 39928 276 29 ' ' `` 39928 276 30 Doppler doppler NN 39928 276 31 principle principle NN 39928 276 32 ' ' '' 39928 276 33 ; ; : 39928 276 34 but but CC 39928 276 35 as as IN 39928 276 36 the the DT 39928 276 37 changes change NNS 39928 276 38 of of IN 39928 276 39 colour colour NN 39928 276 40 were be VBD 39928 276 41 so so RB 39928 276 42 minute minute JJ 39928 276 43 as as IN 39928 276 44 to to TO 39928 276 45 be be VB 39928 276 46 impossible impossible JJ 39928 276 47 of of IN 39928 276 48 measurement measurement NN 39928 276 49 it -PRON- PRP 39928 276 50 was be VBD 39928 276 51 not not RB 39928 276 52 at at IN 39928 276 53 that that DT 39928 276 54 time time NN 39928 276 55 of of IN 39928 276 56 any any DT 39928 276 57 practical practical JJ 39928 276 58 importance importance NN 39928 276 59 in in IN 39928 276 60 astronomy astronomy NN 39928 276 61 . . . 39928 277 1 But but CC 39928 277 2 when when WRB 39928 277 3 the the DT 39928 277 4 dark dark JJ 39928 277 5 lines line NNS 39928 277 6 in in IN 39928 277 7 the the DT 39928 277 8 spectrum spectrum NN 39928 277 9 were be VBD 39928 277 10 carefully carefully RB 39928 277 11 mapped map VBN 39928 277 12 , , , 39928 277 13 and and CC 39928 277 14 their -PRON- PRP$ 39928 277 15 positions position NNS 39928 277 16 determined determine VBN 39928 277 17 with with IN 39928 277 18 minute minute NN 39928 277 19 accuracy accuracy NN 39928 277 20 , , , 39928 277 21 it -PRON- PRP 39928 277 22 was be VBD 39928 277 23 seen see VBN 39928 277 24 that that IN 39928 277 25 a a DT 39928 277 26 means means NN 39928 277 27 of of IN 39928 277 28 measuring measure VBG 39928 277 29 the the DT 39928 277 30 changes change NNS 39928 277 31 produced produce VBN 39928 277 32 by by IN 39928 277 33 motion motion NN 39928 277 34 in in IN 39928 277 35 the the DT 39928 277 36 line line NN 39928 277 37 of of IN 39928 277 38 sight sight NN 39928 277 39 existed exist VBD 39928 277 40 , , , 39928 277 41 since since IN 39928 277 42 the the DT 39928 277 43 position position NN 39928 277 44 of of IN 39928 277 45 any any DT 39928 277 46 of of IN 39928 277 47 the the DT 39928 277 48 dark dark JJ 39928 277 49 or or CC 39928 277 50 coloured coloured JJ 39928 277 51 lines line NNS 39928 277 52 in in IN 39928 277 53 the the DT 39928 277 54 spectra spectra NN 39928 277 55 of of IN 39928 277 56 the the DT 39928 277 57 heavenly heavenly JJ 39928 277 58 bodies body NNS 39928 277 59 could could MD 39928 277 60 be be VB 39928 277 61 compared compare VBN 39928 277 62 with with IN 39928 277 63 those those DT 39928 277 64 of of IN 39928 277 65 the the DT 39928 277 66 corresponding correspond VBG 39928 277 67 lines line NNS 39928 277 68 produced produce VBN 39928 277 69 artificially artificially RB 39928 277 70 in in IN 39928 277 71 the the DT 39928 277 72 laboratory laboratory NN 39928 277 73 . . . 39928 278 1 This this DT 39928 278 2 was be VBD 39928 278 3 first first RB 39928 278 4 done do VBN 39928 278 5 in in IN 39928 278 6 1868 1868 CD 39928 278 7 by by IN 39928 278 8 Sir Sir NNP 39928 278 9 William William NNP 39928 278 10 Huggins Huggins NNP 39928 278 11 , , , 39928 278 12 who who WP 39928 278 13 , , , 39928 278 14 by by IN 39928 278 15 the the DT 39928 278 16 use use NN 39928 278 17 of of IN 39928 278 18 a a DT 39928 278 19 very very RB 39928 278 20 powerful powerful JJ 39928 278 21 spectroscope spectroscope NN 39928 278 22 constructed construct VBN 39928 278 23 for for IN 39928 278 24 the the DT 39928 278 25 purpose purpose NN 39928 278 26 , , , 39928 278 27 found find VBD 39928 278 28 that that IN 39928 278 29 such such PDT 39928 278 30 a a DT 39928 278 31 change change NN 39928 278 32 did do VBD 39928 278 33 occur occur VB 39928 278 34 in in IN 39928 278 35 the the DT 39928 278 36 case case NN 39928 278 37 of of IN 39928 278 38 many many JJ 39928 278 39 stars star NNS 39928 278 40 , , , 39928 278 41 and and CC 39928 278 42 that that IN 39928 278 43 their -PRON- PRP$ 39928 278 44 rate rate NN 39928 278 45 of of IN 39928 278 46 motion motion NN 39928 278 47 towards towards IN 39928 278 48 us -PRON- PRP 39928 278 49 or or CC 39928 278 50 away away RB 39928 278 51 from from IN 39928 278 52 us -PRON- PRP 39928 278 53 -- -- : 39928 278 54 the the DT 39928 278 55 radial radial JJ 39928 278 56 motion motion NN 39928 278 57 -- -- : 39928 278 58 could could MD 39928 278 59 be be VB 39928 278 60 calculated calculate VBN 39928 278 61 . . . 39928 279 1 As as IN 39928 279 2 the the DT 39928 279 3 actual actual JJ 39928 279 4 distance distance NN 39928 279 5 of of IN 39928 279 6 some some DT 39928 279 7 of of IN 39928 279 8 these these DT 39928 279 9 stars star NNS 39928 279 10 had have VBD 39928 279 11 been be VBN 39928 279 12 measured measure VBN 39928 279 13 , , , 39928 279 14 and and CC 39928 279 15 their -PRON- PRP$ 39928 279 16 change change NN 39928 279 17 of of IN 39928 279 18 position position NN 39928 279 19 annually annually RB 39928 279 20 ( ( -LRB- 39928 279 21 their -PRON- PRP$ 39928 279 22 proper proper JJ 39928 279 23 motion motion NN 39928 279 24 ) ) -RRB- 39928 279 25 determined determine VBD 39928 279 26 , , , 39928 279 27 the the DT 39928 279 28 additional additional JJ 39928 279 29 factor factor NN 39928 279 30 of of IN 39928 279 31 the the DT 39928 279 32 amount amount NN 39928 279 33 of of IN 39928 279 34 motion motion NN 39928 279 35 in in IN 39928 279 36 the the DT 39928 279 37 direction direction NN 39928 279 38 of of IN 39928 279 39 our -PRON- PRP$ 39928 279 40 line line NN 39928 279 41 of of IN 39928 279 42 sight sight NN 39928 279 43 completed complete VBD 39928 279 44 the the DT 39928 279 45 data datum NNS 39928 279 46 required require VBN 39928 279 47 to to TO 39928 279 48 fix fix VB 39928 279 49 their -PRON- PRP$ 39928 279 50 true true JJ 39928 279 51 line line NN 39928 279 52 of of IN 39928 279 53 motion motion NN 39928 279 54 among among IN 39928 279 55 the the DT 39928 279 56 other other JJ 39928 279 57 stars star NNS 39928 279 58 . . . 39928 280 1 The the DT 39928 280 2 accuracy accuracy NN 39928 280 3 of of IN 39928 280 4 this this DT 39928 280 5 method method NN 39928 280 6 under under IN 39928 280 7 favourable favourable JJ 39928 280 8 conditions condition NNS 39928 280 9 and and CC 39928 280 10 with with IN 39928 280 11 the the DT 39928 280 12 best good JJS 39928 280 13 instruments instrument NNS 39928 280 14 is be VBZ 39928 280 15 very very RB 39928 280 16 great great JJ 39928 280 17 , , , 39928 280 18 as as IN 39928 280 19 has have VBZ 39928 280 20 been be VBN 39928 280 21 proved prove VBN 39928 280 22 by by IN 39928 280 23 those those DT 39928 280 24 cases case NNS 39928 280 25 in in IN 39928 280 26 which which WDT 39928 280 27 we -PRON- PRP 39928 280 28 have have VBP 39928 280 29 independent independent JJ 39928 280 30 means mean NNS 39928 280 31 of of IN 39928 280 32 calculating calculate VBG 39928 280 33 the the DT 39928 280 34 real real JJ 39928 280 35 motion motion NN 39928 280 36 . . . 39928 281 1 The the DT 39928 281 2 motion motion NN 39928 281 3 of of IN 39928 281 4 Venus Venus NNP 39928 281 5 towards towards IN 39928 281 6 or or CC 39928 281 7 away away RB 39928 281 8 from from IN 39928 281 9 us -PRON- PRP 39928 281 10 can can MD 39928 281 11 be be VB 39928 281 12 calculated calculate VBN 39928 281 13 with with IN 39928 281 14 great great JJ 39928 281 15 accuracy accuracy NN 39928 281 16 for for IN 39928 281 17 any any DT 39928 281 18 period period NN 39928 281 19 , , , 39928 281 20 being be VBG 39928 281 21 a a DT 39928 281 22 resultant resultant NN 39928 281 23 of of IN 39928 281 24 the the DT 39928 281 25 combined combine VBN 39928 281 26 motions motion NNS 39928 281 27 of of IN 39928 281 28 the the DT 39928 281 29 planet planet NN 39928 281 30 and and CC 39928 281 31 of of IN 39928 281 32 our -PRON- PRP$ 39928 281 33 earth earth NN 39928 281 34 in in IN 39928 281 35 their -PRON- PRP$ 39928 281 36 respective respective JJ 39928 281 37 orbits orbit NNS 39928 281 38 . . . 39928 282 1 The the DT 39928 282 2 radial radial JJ 39928 282 3 motions motion NNS 39928 282 4 of of IN 39928 282 5 Venus Venus NNP 39928 282 6 were be VBD 39928 282 7 determined determine VBN 39928 282 8 at at IN 39928 282 9 the the DT 39928 282 10 Lick Lick NNP 39928 282 11 Observatory Observatory NNP 39928 282 12 in in IN 39928 282 13 August August NNP 39928 282 14 and and CC 39928 282 15 September September NNP 39928 282 16 1890 1890 CD 39928 282 17 , , , 39928 282 18 by by IN 39928 282 19 spectroscopic spectroscopic JJ 39928 282 20 observations observation NNS 39928 282 21 , , , 39928 282 22 and and CC 39928 282 23 also also RB 39928 282 24 by by IN 39928 282 25 calculation calculation NN 39928 282 26 , , , 39928 282 27 to to TO 39928 282 28 be be VB 39928 282 29 as as IN 39928 282 30 follows:-- follows:-- `` 39928 282 31 By by IN 39928 282 32 Observation Observation NNP 39928 282 33 . . . 39928 283 1 By by IN 39928 283 2 Calculation Calculation NNP 39928 283 3 . . . 39928 284 1 Aug. August NNP 39928 284 2 16th 16th NN 39928 284 3 . . . 39928 285 1 7.3 7.3 CD 39928 285 2 miles mile NNS 39928 285 3 per per IN 39928 285 4 second second NN 39928 285 5 . . . 39928 286 1 8.1 8.1 CD 39928 286 2 miles mile NNS 39928 286 3 per per IN 39928 286 4 second second NN 39928 286 5 . . . 39928 286 6 " " '' 39928 287 1 22nd 22nd NN 39928 287 2 . . . 39928 288 1 8.9 8.9 CD 39928 288 2 " " `` 39928 288 3 " " `` 39928 288 4 " " `` 39928 288 5 8.2 8.2 CD 39928 288 6 " " '' 39928 288 7 " " '' 39928 288 8 " " '' 39928 288 9 " " '' 39928 288 10 30th 30th NN 39928 288 11 . . . 39928 289 1 7.3 7.3 CD 39928 289 2 " " `` 39928 289 3 " " `` 39928 289 4 " " `` 39928 289 5 8.3 8.3 CD 39928 289 6 " " '' 39928 289 7 " " '' 39928 289 8 " " '' 39928 289 9 Sep. September NNP 39928 289 10 3rd 3rd NN 39928 289 11 . . . 39928 290 1 8.3 8.3 CD 39928 290 2 " " `` 39928 290 3 " " `` 39928 290 4 " " `` 39928 290 5 8.3 8.3 CD 39928 290 6 " " '' 39928 290 7 " " '' 39928 290 8 " " '' 39928 290 9 " " '' 39928 290 10 4th 4th NN 39928 290 11 . . . 39928 291 1 8.2 8.2 CD 39928 291 2 " " `` 39928 291 3 " " `` 39928 291 4 " " `` 39928 291 5 8.3 8.3 CD 39928 291 6 " " '' 39928 291 7 " " '' 39928 291 8 " " '' 39928 291 9 showing show VBG 39928 291 10 that that IN 39928 291 11 the the DT 39928 291 12 maximum maximum JJ 39928 291 13 error error NN 39928 291 14 was be VBD 39928 291 15 only only RB 39928 291 16 one one CD 39928 291 17 mile mile NN 39928 291 18 per per IN 39928 291 19 second second NN 39928 291 20 , , , 39928 291 21 while while IN 39928 291 22 the the DT 39928 291 23 mean mean JJ 39928 291 24 error error NN 39928 291 25 was be VBD 39928 291 26 about about RB 39928 291 27 a a DT 39928 291 28 quarter quarter NN 39928 291 29 of of IN 39928 291 30 a a DT 39928 291 31 mile mile NN 39928 291 32 . . . 39928 292 1 In in IN 39928 292 2 the the DT 39928 292 3 case case NN 39928 292 4 of of IN 39928 292 5 the the DT 39928 292 6 stars star NNS 39928 292 7 the the DT 39928 292 8 accuracy accuracy NN 39928 292 9 of of IN 39928 292 10 the the DT 39928 292 11 method method NN 39928 292 12 has have VBZ 39928 292 13 been be VBN 39928 292 14 tested test VBN 39928 292 15 by by IN 39928 292 16 observations observation NNS 39928 292 17 of of IN 39928 292 18 the the DT 39928 292 19 same same JJ 39928 292 20 star star NN 39928 292 21 at at IN 39928 292 22 times time NNS 39928 292 23 when when WRB 39928 292 24 the the DT 39928 292 25 earth earth NN 39928 292 26 's 's POS 39928 292 27 motion motion NN 39928 292 28 in in IN 39928 292 29 its -PRON- PRP$ 39928 292 30 orbit orbit NN 39928 292 31 is be VBZ 39928 292 32 towards towards IN 39928 292 33 or or CC 39928 292 34 away away RB 39928 292 35 from from IN 39928 292 36 the the DT 39928 292 37 star star NN 39928 292 38 , , , 39928 292 39 whose whose WP$ 39928 292 40 apparent apparent JJ 39928 292 41 radial radial JJ 39928 292 42 velocity velocity NN 39928 292 43 is be VBZ 39928 292 44 , , , 39928 292 45 therefore therefore RB 39928 292 46 , , , 39928 292 47 increased increase VBD 39928 292 48 or or CC 39928 292 49 diminished diminish VBN 39928 292 50 by by IN 39928 292 51 a a DT 39928 292 52 known know VBN 39928 292 53 amount amount NN 39928 292 54 . . . 39928 293 1 Observations observation NNS 39928 293 2 of of IN 39928 293 3 this this DT 39928 293 4 kind kind NN 39928 293 5 were be VBD 39928 293 6 made make VBN 39928 293 7 by by IN 39928 293 8 Dr. Dr. NNP 39928 293 9 Vogel Vogel NNP 39928 293 10 , , , 39928 293 11 Director Director NNP 39928 293 12 of of IN 39928 293 13 the the DT 39928 293 14 Astrophysical Astrophysical NNP 39928 293 15 Observatory Observatory NNP 39928 293 16 at at IN 39928 293 17 Potsdam Potsdam NNP 39928 293 18 , , , 39928 293 19 showing show VBG 39928 293 20 , , , 39928 293 21 in in IN 39928 293 22 the the DT 39928 293 23 case case NN 39928 293 24 of of IN 39928 293 25 three three CD 39928 293 26 stars star NNS 39928 293 27 , , , 39928 293 28 of of IN 39928 293 29 which which WDT 39928 293 30 ten ten CD 39928 293 31 observations observation NNS 39928 293 32 were be VBD 39928 293 33 taken take VBN 39928 293 34 , , , 39928 293 35 a a DT 39928 293 36 mean mean JJ 39928 293 37 error error NN 39928 293 38 of of IN 39928 293 39 about about RB 39928 293 40 two two CD 39928 293 41 miles mile NNS 39928 293 42 per per IN 39928 293 43 second second NN 39928 293 44 ; ; : 39928 293 45 but but CC 39928 293 46 as as IN 39928 293 47 the the DT 39928 293 48 stellar stellar JJ 39928 293 49 motions motion NNS 39928 293 50 are be VBP 39928 293 51 more more RBR 39928 293 52 rapid rapid JJ 39928 293 53 than than IN 39928 293 54 those those DT 39928 293 55 of of IN 39928 293 56 the the DT 39928 293 57 planets planet NNS 39928 293 58 , , , 39928 293 59 the the DT 39928 293 60 proportionate proportionate NN 39928 293 61 error error NN 39928 293 62 is be VBZ 39928 293 63 no no RB 39928 293 64 greater great JJR 39928 293 65 than than IN 39928 293 66 in in IN 39928 293 67 the the DT 39928 293 68 example example NN 39928 293 69 given give VBN 39928 293 70 above above RB 39928 293 71 . . . 39928 294 1 The the DT 39928 294 2 great great JJ 39928 294 3 importance importance NN 39928 294 4 of of IN 39928 294 5 this this DT 39928 294 6 mode mode NN 39928 294 7 of of IN 39928 294 8 determining determine VBG 39928 294 9 the the DT 39928 294 10 real real JJ 39928 294 11 motion motion NN 39928 294 12 of of IN 39928 294 13 the the DT 39928 294 14 stars star NNS 39928 294 15 is be VBZ 39928 294 16 , , , 39928 294 17 that that IN 39928 294 18 it -PRON- PRP 39928 294 19 gives give VBZ 39928 294 20 us -PRON- PRP 39928 294 21 a a DT 39928 294 22 knowledge knowledge NN 39928 294 23 of of IN 39928 294 24 the the DT 39928 294 25 scale scale NN 39928 294 26 on on IN 39928 294 27 which which WDT 39928 294 28 such such JJ 39928 294 29 motions motion NNS 39928 294 30 are be VBP 39928 294 31 progressing progress VBG 39928 294 32 ; ; : 39928 294 33 and and CC 39928 294 34 when when WRB 39928 294 35 in in IN 39928 294 36 the the DT 39928 294 37 course course NN 39928 294 38 of of IN 39928 294 39 time time NN 39928 294 40 we -PRON- PRP 39928 294 41 discover discover VBP 39928 294 42 whether whether IN 39928 294 43 any any DT 39928 294 44 of of IN 39928 294 45 their -PRON- PRP$ 39928 294 46 paths path NNS 39928 294 47 are be VBP 39928 294 48 rectilinear rectilinear JJ 39928 294 49 or or CC 39928 294 50 curved curved JJ 39928 294 51 , , , 39928 294 52 we -PRON- PRP 39928 294 53 shall shall MD 39928 294 54 be be VB 39928 294 55 in in IN 39928 294 56 a a DT 39928 294 57 position position NN 39928 294 58 to to TO 39928 294 59 learn learn VB 39928 294 60 something something NN 39928 294 61 of of IN 39928 294 62 the the DT 39928 294 63 nature nature NN 39928 294 64 of of IN 39928 294 65 the the DT 39928 294 66 changes change NNS 39928 294 67 that that WDT 39928 294 68 are be VBP 39928 294 69 going go VBG 39928 294 70 on on RP 39928 294 71 and and CC 39928 294 72 of of IN 39928 294 73 the the DT 39928 294 74 laws law NNS 39928 294 75 on on IN 39928 294 76 which which WDT 39928 294 77 they -PRON- PRP 39928 294 78 depend depend VBP 39928 294 79 . . . 39928 295 1 INVISIBLE invisible NN 39928 295 2 STARS star NNS 39928 295 3 AND and CC 39928 295 4 IMPERCEPTIBLE imperceptible NN 39928 295 5 MOTIONS motion NNS 39928 295 6 But but CC 39928 295 7 there there EX 39928 295 8 is be VBZ 39928 295 9 another another DT 39928 295 10 result result NN 39928 295 11 of of IN 39928 295 12 this this DT 39928 295 13 power power NN 39928 295 14 of of IN 39928 295 15 determining determine VBG 39928 295 16 radial radial JJ 39928 295 17 motion motion NN 39928 295 18 which which WDT 39928 295 19 is be VBZ 39928 295 20 even even RB 39928 295 21 more more RBR 39928 295 22 unexpected unexpected JJ 39928 295 23 and and CC 39928 295 24 marvellous marvellous JJ 39928 295 25 , , , 39928 295 26 and and CC 39928 295 27 which which WDT 39928 295 28 has have VBZ 39928 295 29 extended extend VBN 39928 295 30 our -PRON- PRP$ 39928 295 31 knowledge knowledge NN 39928 295 32 of of IN 39928 295 33 the the DT 39928 295 34 stars star NNS 39928 295 35 in in IN 39928 295 36 quite quite PDT 39928 295 37 a a DT 39928 295 38 new new JJ 39928 295 39 direction direction NN 39928 295 40 . . . 39928 296 1 By by IN 39928 296 2 its -PRON- PRP$ 39928 296 3 means mean NNS 39928 296 4 it -PRON- PRP 39928 296 5 is be VBZ 39928 296 6 possible possible JJ 39928 296 7 to to TO 39928 296 8 determine determine VB 39928 296 9 the the DT 39928 296 10 existence existence NN 39928 296 11 of of IN 39928 296 12 invisible invisible JJ 39928 296 13 stars star NNS 39928 296 14 and and CC 39928 296 15 to to TO 39928 296 16 measure measure VB 39928 296 17 the the DT 39928 296 18 rate rate NN 39928 296 19 of of IN 39928 296 20 otherwise otherwise RB 39928 296 21 imperceptible imperceptible JJ 39928 296 22 motions motion NNS 39928 296 23 ; ; : 39928 296 24 that that DT 39928 296 25 is be VBZ 39928 296 26 of of IN 39928 296 27 stars star NNS 39928 296 28 which which WDT 39928 296 29 are be VBP 39928 296 30 invisible invisible JJ 39928 296 31 in in IN 39928 296 32 the the DT 39928 296 33 most most RBS 39928 296 34 powerful powerful JJ 39928 296 35 modern modern JJ 39928 296 36 telescopes telescope NNS 39928 296 37 , , , 39928 296 38 and and CC 39928 296 39 whose whose WP$ 39928 296 40 motions motion NNS 39928 296 41 have have VBP 39928 296 42 such such PDT 39928 296 43 a a DT 39928 296 44 limited limited JJ 39928 296 45 range range NN 39928 296 46 that that IN 39928 296 47 no no DT 39928 296 48 telescope telescope NN 39928 296 49 can can MD 39928 296 50 detect detect VB 39928 296 51 them -PRON- PRP 39928 296 52 . . . 39928 297 1 Double double JJ 39928 297 2 or or CC 39928 297 3 binary binary JJ 39928 297 4 stars star NNS 39928 297 5 forming form VBG 39928 297 6 systems system NNS 39928 297 7 which which WDT 39928 297 8 revolve revolve VBP 39928 297 9 around around IN 39928 297 10 their -PRON- PRP$ 39928 297 11 common common JJ 39928 297 12 centre centre NN 39928 297 13 of of IN 39928 297 14 gravity gravity NN 39928 297 15 were be VBD 39928 297 16 discovered discover VBN 39928 297 17 by by IN 39928 297 18 Sir Sir NNP 39928 297 19 William William NNP 39928 297 20 Herschel Herschel NNP 39928 297 21 , , , 39928 297 22 and and CC 39928 297 23 very very RB 39928 297 24 great great JJ 39928 297 25 numbers number NNS 39928 297 26 are be VBP 39928 297 27 known know VBN 39928 297 28 ; ; : 39928 297 29 but but CC 39928 297 30 in in IN 39928 297 31 most most JJS 39928 297 32 cases case NNS 39928 297 33 their -PRON- PRP$ 39928 297 34 periods period NNS 39928 297 35 of of IN 39928 297 36 revolution revolution NN 39928 297 37 are be VBP 39928 297 38 long long JJ 39928 297 39 , , , 39928 297 40 the the DT 39928 297 41 shortest short JJS 39928 297 42 being be VBG 39928 297 43 about about RB 39928 297 44 twelve twelve CD 39928 297 45 years year NNS 39928 297 46 , , , 39928 297 47 while while IN 39928 297 48 many many JJ 39928 297 49 extend extend VBP 39928 297 50 to to IN 39928 297 51 several several JJ 39928 297 52 hundred hundred CD 39928 297 53 years year NNS 39928 297 54 . . . 39928 298 1 These these DT 39928 298 2 are be VBP 39928 298 3 , , , 39928 298 4 of of IN 39928 298 5 course course NN 39928 298 6 , , , 39928 298 7 all all DT 39928 298 8 visible visible JJ 39928 298 9 binaries binary NNS 39928 298 10 , , , 39928 298 11 but but CC 39928 298 12 many many JJ 39928 298 13 are be VBP 39928 298 14 now now RB 39928 298 15 known know VBN 39928 298 16 of of IN 39928 298 17 which which WDT 39928 298 18 one one CD 39928 298 19 star star NN 39928 298 20 only only RB 39928 298 21 is be VBZ 39928 298 22 visible visible JJ 39928 298 23 while while IN 39928 298 24 the the DT 39928 298 25 other other JJ 39928 298 26 is be VBZ 39928 298 27 either either DT 39928 298 28 non non JJ 39928 298 29 - - JJ 39928 298 30 luminous luminous JJ 39928 298 31 or or CC 39928 298 32 is be VBZ 39928 298 33 so so RB 39928 298 34 close close JJ 39928 298 35 to to IN 39928 298 36 its -PRON- PRP$ 39928 298 37 companion companion NN 39928 298 38 that that IN 39928 298 39 they -PRON- PRP 39928 298 40 appear appear VBP 39928 298 41 as as IN 39928 298 42 a a DT 39928 298 43 single single JJ 39928 298 44 star star NN 39928 298 45 in in IN 39928 298 46 the the DT 39928 298 47 most most RBS 39928 298 48 powerful powerful JJ 39928 298 49 telescopes telescope NNS 39928 298 50 . . . 39928 299 1 Many many JJ 39928 299 2 of of IN 39928 299 3 the the DT 39928 299 4 variable variable JJ 39928 299 5 stars star NNS 39928 299 6 belong belong VBP 39928 299 7 to to IN 39928 299 8 the the DT 39928 299 9 former former JJ 39928 299 10 class class NN 39928 299 11 , , , 39928 299 12 a a DT 39928 299 13 good good JJ 39928 299 14 example example NN 39928 299 15 of of IN 39928 299 16 which which WDT 39928 299 17 is be VBZ 39928 299 18 Algol Algol NNP 39928 299 19 in in IN 39928 299 20 the the DT 39928 299 21 constellation constellation NN 39928 299 22 Perseus Perseus NNP 39928 299 23 , , , 39928 299 24 which which WDT 39928 299 25 changes change VBZ 39928 299 26 from from IN 39928 299 27 the the DT 39928 299 28 second second JJ 39928 299 29 to to IN 39928 299 30 the the DT 39928 299 31 fourth fourth JJ 39928 299 32 magnitude magnitude NN 39928 299 33 in in IN 39928 299 34 about about RB 39928 299 35 four four CD 39928 299 36 and and CC 39928 299 37 a a DT 39928 299 38 half half NN 39928 299 39 hours hour NNS 39928 299 40 , , , 39928 299 41 and and CC 39928 299 42 in in IN 39928 299 43 about about RB 39928 299 44 four four CD 39928 299 45 and and CC 39928 299 46 a a DT 39928 299 47 half half NN 39928 299 48 hours hour NNS 39928 299 49 more more RBR 39928 299 50 regains regain VBZ 39928 299 51 its -PRON- PRP$ 39928 299 52 brilliancy brilliancy NN 39928 299 53 till till IN 39928 299 54 its -PRON- PRP$ 39928 299 55 next next JJ 39928 299 56 period period NN 39928 299 57 of of IN 39928 299 58 obscuration obscuration NN 39928 299 59 which which WDT 39928 299 60 occurs occur VBZ 39928 299 61 regularly regularly RB 39928 299 62 every every DT 39928 299 63 two two CD 39928 299 64 days day NNS 39928 299 65 and and CC 39928 299 66 twenty twenty CD 39928 299 67 - - HYPH 39928 299 68 one one CD 39928 299 69 hours hour NNS 39928 299 70 . . . 39928 300 1 The the DT 39928 300 2 name name NN 39928 300 3 Algol Algol NNP 39928 300 4 is be VBZ 39928 300 5 from from IN 39928 300 6 the the DT 39928 300 7 Arabic Arabic NNP 39928 300 8 _ _ NNP 39928 300 9 Al Al NNP 39928 300 10 Ghoul Ghoul NNP 39928 300 11 _ _ NNP 39928 300 12 , , , 39928 300 13 the the DT 39928 300 14 familiar familiar JJ 39928 300 15 ' ' `` 39928 300 16 ghoul ghoul NN 39928 300 17 ' ' '' 39928 300 18 of of IN 39928 300 19 the the DT 39928 300 20 Arabian Arabian NNP 39928 300 21 Nights Nights NNPS 39928 300 22 , , , 39928 300 23 so so RB 39928 300 24 named--'The named--'The NNP 39928 300 25 Demon'--from demon'--from IN 39928 300 26 its -PRON- PRP$ 39928 300 27 strange strange JJ 39928 300 28 and and CC 39928 300 29 weird weird JJ 39928 300 30 behaviour behaviour NN 39928 300 31 . . . 39928 301 1 It -PRON- PRP 39928 301 2 had have VBD 39928 301 3 long long RB 39928 301 4 been be VBN 39928 301 5 conjectured conjecture VBN 39928 301 6 that that IN 39928 301 7 this this DT 39928 301 8 obscuration obscuration NN 39928 301 9 was be VBD 39928 301 10 due due JJ 39928 301 11 to to IN 39928 301 12 a a DT 39928 301 13 dark dark JJ 39928 301 14 companion companion NN 39928 301 15 which which WDT 39928 301 16 partially partially RB 39928 301 17 eclipsed eclipse VBD 39928 301 18 the the DT 39928 301 19 bright bright JJ 39928 301 20 star star NN 39928 301 21 at at IN 39928 301 22 every every DT 39928 301 23 revolution revolution NN 39928 301 24 , , , 39928 301 25 showing show VBG 39928 301 26 that that IN 39928 301 27 the the DT 39928 301 28 plane plane NN 39928 301 29 of of IN 39928 301 30 the the DT 39928 301 31 orbit orbit NN 39928 301 32 of of IN 39928 301 33 the the DT 39928 301 34 pair pair NN 39928 301 35 was be VBD 39928 301 36 almost almost RB 39928 301 37 exactly exactly RB 39928 301 38 directed direct VBN 39928 301 39 towards towards IN 39928 301 40 us -PRON- PRP 39928 301 41 . . . 39928 302 1 The the DT 39928 302 2 application application NN 39928 302 3 of of IN 39928 302 4 the the DT 39928 302 5 spectroscope spectroscope NN 39928 302 6 made make VBD 39928 302 7 this this DT 39928 302 8 conjecture conjecture NN 39928 302 9 a a DT 39928 302 10 certainty certainty NN 39928 302 11 . . . 39928 303 1 At at IN 39928 303 2 an an DT 39928 303 3 equal equal JJ 39928 303 4 time time NN 39928 303 5 before before RB 39928 303 6 and and CC 39928 303 7 after after IN 39928 303 8 the the DT 39928 303 9 obscuration obscuration NN 39928 303 10 , , , 39928 303 11 motion motion NN 39928 303 12 in in IN 39928 303 13 the the DT 39928 303 14 line line NN 39928 303 15 of of IN 39928 303 16 sight sight NN 39928 303 17 was be VBD 39928 303 18 shown show VBN 39928 303 19 , , , 39928 303 20 towards towards IN 39928 303 21 and and CC 39928 303 22 away away RB 39928 303 23 from from IN 39928 303 24 us -PRON- PRP 39928 303 25 , , , 39928 303 26 at at IN 39928 303 27 a a DT 39928 303 28 rate rate NN 39928 303 29 of of IN 39928 303 30 twenty twenty CD 39928 303 31 - - HYPH 39928 303 32 six six CD 39928 303 33 miles mile NNS 39928 303 34 per per IN 39928 303 35 second second NN 39928 303 36 . . . 39928 304 1 From from IN 39928 304 2 these these DT 39928 304 3 scanty scanty NN 39928 304 4 data datum NNS 39928 304 5 and and CC 39928 304 6 the the DT 39928 304 7 laws law NNS 39928 304 8 of of IN 39928 304 9 gravitation gravitation NN 39928 304 10 which which WDT 39928 304 11 fix fix VBP 39928 304 12 the the DT 39928 304 13 period period NN 39928 304 14 of of IN 39928 304 15 revolution revolution NN 39928 304 16 of of IN 39928 304 17 planets planet NNS 39928 304 18 at at IN 39928 304 19 various various JJ 39928 304 20 distances distance NNS 39928 304 21 from from IN 39928 304 22 their -PRON- PRP$ 39928 304 23 centres centre NNS 39928 304 24 of of IN 39928 304 25 revolution revolution NN 39928 304 26 , , , 39928 304 27 Professor Professor NNP 39928 304 28 Pickering Pickering NNP 39928 304 29 of of IN 39928 304 30 the the DT 39928 304 31 Harvard Harvard NNP 39928 304 32 Observatory Observatory NNP 39928 304 33 was be VBD 39928 304 34 able able JJ 39928 304 35 to to TO 39928 304 36 arrive arrive VB 39928 304 37 at at IN 39928 304 38 the the DT 39928 304 39 following follow VBG 39928 304 40 figures figure NNS 39928 304 41 as as IN 39928 304 42 highly highly RB 39928 304 43 probable probable JJ 39928 304 44 , , , 39928 304 45 and and CC 39928 304 46 they -PRON- PRP 39928 304 47 may may MD 39928 304 48 be be VB 39928 304 49 considered consider VBN 39928 304 50 to to TO 39928 304 51 be be VB 39928 304 52 certainly certainly RB 39928 304 53 not not RB 39928 304 54 far far RB 39928 304 55 from from IN 39928 304 56 the the DT 39928 304 57 truth truth NN 39928 304 58 . . . 39928 305 1 Diameter Diameter NNP 39928 305 2 of of IN 39928 305 3 Algol Algol NNP 39928 305 4 , , , 39928 305 5 1,061,000 1,061,000 CD 39928 305 6 miles mile NNS 39928 305 7 . . . 39928 306 1 Diameter diameter NN 39928 306 2 of of IN 39928 306 3 dark dark JJ 39928 306 4 companion companion NN 39928 306 5 , , , 39928 306 6 830,000 830,000 CD 39928 306 7 " " `` 39928 306 8 Distance Distance NNP 39928 306 9 between between IN 39928 306 10 their -PRON- PRP$ 39928 306 11 centres centre NNS 39928 306 12 , , , 39928 306 13 3,230,000 3,230,000 CD 39928 306 14 " " `` 39928 306 15 Orbital orbital JJ 39928 306 16 speed speed NN 39928 306 17 of of IN 39928 306 18 Algol Algol NNP 39928 306 19 , , , 39928 306 20 26.3 26.3 CD 39928 306 21 miles mile NNS 39928 306 22 per per IN 39928 306 23 sec sec NNP 39928 306 24 . . . 39928 307 1 Orbital orbital JJ 39928 307 2 speed speed NN 39928 307 3 of of IN 39928 307 4 companion companion NN 39928 307 5 , , , 39928 307 6 55.4 55.4 CD 39928 307 7 " " `` 39928 307 8 " " `` 39928 307 9 " " `` 39928 307 10 Mass Mass NNP 39928 307 11 of of IN 39928 307 12 Algol Algol NNP 39928 307 13 , , , 39928 307 14 4/9 4/9 CD 39928 307 15 mass mass NN 39928 307 16 of of IN 39928 307 17 our -PRON- PRP$ 39928 307 18 Sun Sun NNP 39928 307 19 . . . 39928 308 1 Mass mass NN 39928 308 2 of of IN 39928 308 3 companion companion NN 39928 308 4 , , , 39928 308 5 2/9 2/9 CD 39928 308 6 " " `` 39928 308 7 " " `` 39928 308 8 " " `` 39928 308 9 When when WRB 39928 308 10 it -PRON- PRP 39928 308 11 is be VBZ 39928 308 12 considered consider VBN 39928 308 13 that that IN 39928 308 14 these these DT 39928 308 15 figures figure NNS 39928 308 16 relate relate VBP 39928 308 17 to to IN 39928 308 18 a a DT 39928 308 19 pair pair NN 39928 308 20 of of IN 39928 308 21 stars star NNS 39928 308 22 only only RB 39928 308 23 one one CD 39928 308 24 of of IN 39928 308 25 which which WDT 39928 308 26 has have VBZ 39928 308 27 ever ever RB 39928 308 28 been be VBN 39928 308 29 seen see VBN 39928 308 30 , , , 39928 308 31 that that IN 39928 308 32 the the DT 39928 308 33 orbital orbital JJ 39928 308 34 motion motion NN 39928 308 35 even even RB 39928 308 36 of of IN 39928 308 37 the the DT 39928 308 38 visible visible JJ 39928 308 39 star star NN 39928 308 40 can can MD 39928 308 41 not not RB 39928 308 42 be be VB 39928 308 43 detected detect VBN 39928 308 44 in in IN 39928 308 45 the the DT 39928 308 46 most most RBS 39928 308 47 powerful powerful JJ 39928 308 48 telescopes telescope NNS 39928 308 49 , , , 39928 308 50 when when WRB 39928 308 51 , , , 39928 308 52 further further RB 39928 308 53 , , , 39928 308 54 we -PRON- PRP 39928 308 55 take take VBP 39928 308 56 into into IN 39928 308 57 account account NN 39928 308 58 the the DT 39928 308 59 enormous enormous JJ 39928 308 60 distance distance NN 39928 308 61 of of IN 39928 308 62 these these DT 39928 308 63 objects object NNS 39928 308 64 from from IN 39928 308 65 us -PRON- PRP 39928 308 66 , , , 39928 308 67 the the DT 39928 308 68 great great JJ 39928 308 69 results result NNS 39928 308 70 of of IN 39928 308 71 spectroscopic spectroscopic JJ 39928 308 72 observation observation NN 39928 308 73 will will MD 39928 308 74 be be VB 39928 308 75 better well RBR 39928 308 76 appreciated appreciate VBN 39928 308 77 . . . 39928 309 1 But but CC 39928 309 2 besides besides IN 39928 309 3 the the DT 39928 309 4 marvel marvel NN 39928 309 5 of of IN 39928 309 6 such such PDT 39928 309 7 a a DT 39928 309 8 discovery discovery NN 39928 309 9 by by IN 39928 309 10 such such JJ 39928 309 11 simple simple JJ 39928 309 12 means mean NNS 39928 309 13 , , , 39928 309 14 the the DT 39928 309 15 facts fact NNS 39928 309 16 discovered discover VBN 39928 309 17 are be VBP 39928 309 18 themselves -PRON- PRP 39928 309 19 in in IN 39928 309 20 the the DT 39928 309 21 highest high JJS 39928 309 22 degree degree NN 39928 309 23 marvellous marvellous JJ 39928 309 24 . . . 39928 310 1 All all DT 39928 310 2 that that WDT 39928 310 3 we -PRON- PRP 39928 310 4 had have VBD 39928 310 5 known know VBN 39928 310 6 of of IN 39928 310 7 the the DT 39928 310 8 stars star NNS 39928 310 9 through through IN 39928 310 10 telescopic telescopic JJ 39928 310 11 observation observation NN 39928 310 12 indicated indicate VBD 39928 310 13 that that IN 39928 310 14 they -PRON- PRP 39928 310 15 were be VBD 39928 310 16 at at IN 39928 310 17 very very RB 39928 310 18 great great JJ 39928 310 19 distances distance NNS 39928 310 20 from from IN 39928 310 21 each each DT 39928 310 22 other other JJ 39928 310 23 however however RB 39928 310 24 thickly thickly RB 39928 310 25 they -PRON- PRP 39928 310 26 may may MD 39928 310 27 appear appear VB 39928 310 28 scattered scatter VBN 39928 310 29 over over IN 39928 310 30 the the DT 39928 310 31 sky sky NN 39928 310 32 . . . 39928 311 1 This this DT 39928 311 2 is be VBZ 39928 311 3 the the DT 39928 311 4 case case NN 39928 311 5 even even RB 39928 311 6 with with IN 39928 311 7 close close JJ 39928 311 8 telescopic telescopic JJ 39928 311 9 double double JJ 39928 311 10 stars star NNS 39928 311 11 , , , 39928 311 12 owing owe VBG 39928 311 13 to to IN 39928 311 14 their -PRON- PRP$ 39928 311 15 enormous enormous JJ 39928 311 16 remoteness remoteness NN 39928 311 17 from from IN 39928 311 18 us -PRON- PRP 39928 311 19 . . . 39928 312 1 It -PRON- PRP 39928 312 2 is be VBZ 39928 312 3 now now RB 39928 312 4 estimated estimate VBN 39928 312 5 that that IN 39928 312 6 even even RB 39928 312 7 stars star NNS 39928 312 8 of of IN 39928 312 9 the the DT 39928 312 10 first first JJ 39928 312 11 magnitude magnitude NN 39928 312 12 are be VBP 39928 312 13 , , , 39928 312 14 on on IN 39928 312 15 a a DT 39928 312 16 general general JJ 39928 312 17 average average NN 39928 312 18 , , , 39928 312 19 about about RB 39928 312 20 eighty eighty CD 39928 312 21 millions million NNS 39928 312 22 of of IN 39928 312 23 millions million NNS 39928 312 24 of of IN 39928 312 25 miles mile NNS 39928 312 26 distant distant JJ 39928 312 27 ; ; : 39928 312 28 while while IN 39928 312 29 the the DT 39928 312 30 closest close JJS 39928 312 31 double double JJ 39928 312 32 stars star NNS 39928 312 33 that that WDT 39928 312 34 can can MD 39928 312 35 be be VB 39928 312 36 distinctly distinctly RB 39928 312 37 separated separate VBN 39928 312 38 by by IN 39928 312 39 large large JJ 39928 312 40 telescopes telescope NNS 39928 312 41 are be VBP 39928 312 42 about about IN 39928 312 43 half half PDT 39928 312 44 a a DT 39928 312 45 second second JJ 39928 312 46 apart apart NN 39928 312 47 . . . 39928 313 1 These these DT 39928 313 2 , , , 39928 313 3 if if IN 39928 313 4 at at IN 39928 313 5 the the DT 39928 313 6 above above JJ 39928 313 7 distance distance NN 39928 313 8 , , , 39928 313 9 will will MD 39928 313 10 be be VB 39928 313 11 about about IN 39928 313 12 1500 1500 CD 39928 313 13 millions million NNS 39928 313 14 of of IN 39928 313 15 miles mile NNS 39928 313 16 from from IN 39928 313 17 each each DT 39928 313 18 other other JJ 39928 313 19 . . . 39928 314 1 But but CC 39928 314 2 in in IN 39928 314 3 the the DT 39928 314 4 case case NN 39928 314 5 of of IN 39928 314 6 Algol Algol NNP 39928 314 7 and and CC 39928 314 8 its -PRON- PRP$ 39928 314 9 companion companion NN 39928 314 10 , , , 39928 314 11 we -PRON- PRP 39928 314 12 have have VBP 39928 314 13 two two CD 39928 314 14 bodies body NNS 39928 314 15 both both CC 39928 314 16 larger large JJR 39928 314 17 than than IN 39928 314 18 our -PRON- PRP$ 39928 314 19 sun sun NN 39928 314 20 , , , 39928 314 21 yet yet CC 39928 314 22 with with IN 39928 314 23 a a DT 39928 314 24 distance distance NN 39928 314 25 of of IN 39928 314 26 only only RB 39928 314 27 2 2 CD 39928 314 28 - - SYM 39928 314 29 1/4 1/4 CD 39928 314 30 millions million NNS 39928 314 31 of of IN 39928 314 32 miles mile NNS 39928 314 33 between between IN 39928 314 34 their -PRON- PRP$ 39928 314 35 surfaces surface NNS 39928 314 36 , , , 39928 314 37 a a DT 39928 314 38 distance distance NN 39928 314 39 not not RB 39928 314 40 much much RB 39928 314 41 exceeding exceed VBG 39928 314 42 their -PRON- PRP$ 39928 314 43 combined combine VBN 39928 314 44 diameters diameter NNS 39928 314 45 . . . 39928 315 1 We -PRON- PRP 39928 315 2 should should MD 39928 315 3 not not RB 39928 315 4 have have VB 39928 315 5 anticipated anticipate VBN 39928 315 6 that that IN 39928 315 7 such such JJ 39928 315 8 huge huge JJ 39928 315 9 bodies body NNS 39928 315 10 could could MD 39928 315 11 revolve revolve VB 39928 315 12 so so RB 39928 315 13 closely closely RB 39928 315 14 to to IN 39928 315 15 each each DT 39928 315 16 other other JJ 39928 315 17 , , , 39928 315 18 and and CC 39928 315 19 as as IN 39928 315 20 we -PRON- PRP 39928 315 21 now now RB 39928 315 22 know know VBP 39928 315 23 that that IN 39928 315 24 the the DT 39928 315 25 neighbourhood neighbourhood NN 39928 315 26 of of IN 39928 315 27 our -PRON- PRP$ 39928 315 28 sun sun NN 39928 315 29 -- -- : 39928 315 30 and and CC 39928 315 31 probably probably RB 39928 315 32 of of IN 39928 315 33 all all DT 39928 315 34 suns sun NNS 39928 315 35 -- -- : 39928 315 36 is be VBZ 39928 315 37 full full JJ 39928 315 38 of of IN 39928 315 39 meteoric meteoric JJ 39928 315 40 and and CC 39928 315 41 cometic cometic JJ 39928 315 42 matter matter NN 39928 315 43 , , , 39928 315 44 it -PRON- PRP 39928 315 45 would would MD 39928 315 46 seem seem VB 39928 315 47 probable probable JJ 39928 315 48 that that IN 39928 315 49 in in IN 39928 315 50 the the DT 39928 315 51 case case NN 39928 315 52 of of IN 39928 315 53 two two CD 39928 315 54 suns sun NNS 39928 315 55 so so RB 39928 315 56 near near RB 39928 315 57 together together RB 39928 315 58 the the DT 39928 315 59 quantity quantity NN 39928 315 60 of of IN 39928 315 61 such such JJ 39928 315 62 matter matter NN 39928 315 63 would would MD 39928 315 64 be be VB 39928 315 65 very very RB 39928 315 66 great great JJ 39928 315 67 , , , 39928 315 68 and and CC 39928 315 69 would would MD 39928 315 70 lead lead VB 39928 315 71 probably probably RB 39928 315 72 by by IN 39928 315 73 continued continue VBN 39928 315 74 collisions collision NNS 39928 315 75 to to TO 39928 315 76 increase increase VB 39928 315 77 of of IN 39928 315 78 their -PRON- PRP$ 39928 315 79 bulk bulk NN 39928 315 80 , , , 39928 315 81 and and CC 39928 315 82 perhaps perhaps RB 39928 315 83 to to IN 39928 315 84 their -PRON- PRP$ 39928 315 85 final final JJ 39928 315 86 coalescence coalescence NN 39928 315 87 into into IN 39928 315 88 a a DT 39928 315 89 single single JJ 39928 315 90 giant giant NN 39928 315 91 orb orb JJ 39928 315 92 . . . 39928 316 1 It -PRON- PRP 39928 316 2 is be VBZ 39928 316 3 said say VBN 39928 316 4 that that IN 39928 316 5 a a DT 39928 316 6 Persian persian JJ 39928 316 7 astronomer astronomer NN 39928 316 8 in in IN 39928 316 9 the the DT 39928 316 10 tenth tenth JJ 39928 316 11 century century NN 39928 316 12 calls call VBZ 39928 316 13 Algol Algol NNP 39928 316 14 a a DT 39928 316 15 red red JJ 39928 316 16 star star NN 39928 316 17 , , , 39928 316 18 while while IN 39928 316 19 it -PRON- PRP 39928 316 20 is be VBZ 39928 316 21 now now RB 39928 316 22 white white JJ 39928 316 23 or or CC 39928 316 24 somewhat somewhat RB 39928 316 25 yellowish yellowish JJ 39928 316 26 . . . 39928 317 1 This this DT 39928 317 2 would would MD 39928 317 3 imply imply VB 39928 317 4 an an DT 39928 317 5 increase increase NN 39928 317 6 of of IN 39928 317 7 temperature temperature NN 39928 317 8 caused cause VBN 39928 317 9 by by IN 39928 317 10 collisions collision NNS 39928 317 11 or or CC 39928 317 12 friction friction NN 39928 317 13 , , , 39928 317 14 and and CC 39928 317 15 increasing increase VBG 39928 317 16 proximity proximity NN 39928 317 17 of of IN 39928 317 18 the the DT 39928 317 19 pair pair NN 39928 317 20 of of IN 39928 317 21 stars star NNS 39928 317 22 . . . 39928 318 1 A a DT 39928 318 2 considerable considerable JJ 39928 318 3 number number NN 39928 318 4 of of IN 39928 318 5 double double JJ 39928 318 6 stars star NNS 39928 318 7 with with IN 39928 318 8 dark dark JJ 39928 318 9 companions companion NNS 39928 318 10 have have VBP 39928 318 11 been be VBN 39928 318 12 discovered discover VBN 39928 318 13 by by IN 39928 318 14 means mean NNS 39928 318 15 of of IN 39928 318 16 the the DT 39928 318 17 spectroscope spectroscope NN 39928 318 18 , , , 39928 318 19 although although IN 39928 318 20 their -PRON- PRP$ 39928 318 21 motion motion NN 39928 318 22 is be VBZ 39928 318 23 not not RB 39928 318 24 directly directly RB 39928 318 25 in in IN 39928 318 26 the the DT 39928 318 27 line line NN 39928 318 28 of of IN 39928 318 29 sight sight NN 39928 318 30 , , , 39928 318 31 and and CC 39928 318 32 therefore therefore RB 39928 318 33 there there EX 39928 318 34 is be VBZ 39928 318 35 no no DT 39928 318 36 obscuration obscuration NN 39928 318 37 . . . 39928 319 1 In in IN 39928 319 2 order order NN 39928 319 3 to to TO 39928 319 4 discover discover VB 39928 319 5 such such JJ 39928 319 6 pairs pair NNS 39928 319 7 the the DT 39928 319 8 spectra spectra NN 39928 319 9 of of IN 39928 319 10 large large JJ 39928 319 11 numbers number NNS 39928 319 12 of of IN 39928 319 13 stars star NNS 39928 319 14 are be VBP 39928 319 15 taken take VBN 39928 319 16 on on IN 39928 319 17 photographic photographic JJ 39928 319 18 plates plate NNS 39928 319 19 every every DT 39928 319 20 night night NN 39928 319 21 and and CC 39928 319 22 for for IN 39928 319 23 considerable considerable JJ 39928 319 24 periods period NNS 39928 319 25 -- -- : 39928 319 26 for for IN 39928 319 27 a a DT 39928 319 28 year year NN 39928 319 29 or or CC 39928 319 30 for for IN 39928 319 31 several several JJ 39928 319 32 years year NNS 39928 319 33 . . . 39928 320 1 These these DT 39928 320 2 plates plate NNS 39928 320 3 are be VBP 39928 320 4 then then RB 39928 320 5 carefully carefully RB 39928 320 6 examined examine VBN 39928 320 7 with with IN 39928 320 8 a a DT 39928 320 9 high high JJ 39928 320 10 magnifying magnify VBG 39928 320 11 power power NN 39928 320 12 to to TO 39928 320 13 discover discover VB 39928 320 14 any any DT 39928 320 15 periodical periodical JJ 39928 320 16 displacement displacement NN 39928 320 17 of of IN 39928 320 18 the the DT 39928 320 19 lines line NNS 39928 320 20 , , , 39928 320 21 and and CC 39928 320 22 it -PRON- PRP 39928 320 23 is be VBZ 39928 320 24 astonishing astonish VBG 39928 320 25 in in IN 39928 320 26 how how WRB 39928 320 27 large large JJ 39928 320 28 a a DT 39928 320 29 number number NN 39928 320 30 of of IN 39928 320 31 cases case NNS 39928 320 32 this this DT 39928 320 33 has have VBZ 39928 320 34 been be VBN 39928 320 35 found find VBN 39928 320 36 to to TO 39928 320 37 exist exist VB 39928 320 38 and and CC 39928 320 39 the the DT 39928 320 40 period period NN 39928 320 41 of of IN 39928 320 42 revolution revolution NN 39928 320 43 of of IN 39928 320 44 the the DT 39928 320 45 pair pair NN 39928 320 46 determined determine VBN 39928 320 47 . . . 39928 321 1 But but CC 39928 321 2 besides besides IN 39928 321 3 discovering discover VBG 39928 321 4 double double JJ 39928 321 5 stars star NNS 39928 321 6 of of IN 39928 321 7 which which WDT 39928 321 8 one one NN 39928 321 9 is be VBZ 39928 321 10 dark dark JJ 39928 321 11 and and CC 39928 321 12 one one CD 39928 321 13 bright bright JJ 39928 321 14 , , , 39928 321 15 many many JJ 39928 321 16 pairs pair NNS 39928 321 17 of of IN 39928 321 18 bright bright JJ 39928 321 19 stars star NNS 39928 321 20 have have VBP 39928 321 21 been be VBN 39928 321 22 discovered discover VBN 39928 321 23 by by IN 39928 321 24 the the DT 39928 321 25 same same JJ 39928 321 26 means mean NNS 39928 321 27 . . . 39928 322 1 The the DT 39928 322 2 method method NN 39928 322 3 in in IN 39928 322 4 this this DT 39928 322 5 case case NN 39928 322 6 is be VBZ 39928 322 7 rather rather RB 39928 322 8 different different JJ 39928 322 9 . . . 39928 323 1 Each each DT 39928 323 2 component component NN 39928 323 3 star star NN 39928 323 4 , , , 39928 323 5 being be VBG 39928 323 6 luminous luminous JJ 39928 323 7 , , , 39928 323 8 will will MD 39928 323 9 give give VB 39928 323 10 a a DT 39928 323 11 separate separate JJ 39928 323 12 spectrum spectrum NN 39928 323 13 , , , 39928 323 14 and and CC 39928 323 15 the the DT 39928 323 16 best good JJS 39928 323 17 spectroscopes spectroscope NNS 39928 323 18 are be VBP 39928 323 19 so so RB 39928 323 20 powerful powerful JJ 39928 323 21 that that IN 39928 323 22 they -PRON- PRP 39928 323 23 will will MD 39928 323 24 separate separate VB 39928 323 25 these these DT 39928 323 26 spectra spectra NN 39928 323 27 when when WRB 39928 323 28 the the DT 39928 323 29 stars star NNS 39928 323 30 are be VBP 39928 323 31 at at IN 39928 323 32 their -PRON- PRP$ 39928 323 33 maximum maximum JJ 39928 323 34 distance distance NN 39928 323 35 although although IN 39928 323 36 no no DT 39928 323 37 telescope telescope NN 39928 323 38 in in IN 39928 323 39 existence existence NN 39928 323 40 , , , 39928 323 41 or or CC 39928 323 42 ever ever RB 39928 323 43 likely likely JJ 39928 323 44 to to TO 39928 323 45 be be VB 39928 323 46 made make VBN 39928 323 47 , , , 39928 323 48 can can MD 39928 323 49 separate separate VB 39928 323 50 the the DT 39928 323 51 component component NN 39928 323 52 stars star NNS 39928 323 53 . . . 39928 324 1 The the DT 39928 324 2 separation separation NN 39928 324 3 of of IN 39928 324 4 the the DT 39928 324 5 spectra spectra NN 39928 324 6 is be VBZ 39928 324 7 usually usually RB 39928 324 8 shown show VBN 39928 324 9 by by IN 39928 324 10 the the DT 39928 324 11 most most RBS 39928 324 12 prominent prominent JJ 39928 324 13 lines line NNS 39928 324 14 becoming become VBG 39928 324 15 double double JJ 39928 324 16 and and CC 39928 324 17 then then RB 39928 324 18 after after IN 39928 324 19 a a DT 39928 324 20 time time NN 39928 324 21 single single JJ 39928 324 22 , , , 39928 324 23 indicating indicate VBG 39928 324 24 that that IN 39928 324 25 the the DT 39928 324 26 plane plane NN 39928 324 27 of of IN 39928 324 28 revolution revolution NN 39928 324 29 is be VBZ 39928 324 30 more more RBR 39928 324 31 or or CC 39928 324 32 less less RBR 39928 324 33 obliquely obliquely RB 39928 324 34 towards towards IN 39928 324 35 us -PRON- PRP 39928 324 36 , , , 39928 324 37 so so IN 39928 324 38 that that IN 39928 324 39 the the DT 39928 324 40 two two CD 39928 324 41 stars star NNS 39928 324 42 if if IN 39928 324 43 visible visible JJ 39928 324 44 would would MD 39928 324 45 appear appear VB 39928 324 46 to to TO 39928 324 47 open open VB 39928 324 48 out out RP 39928 324 49 and and CC 39928 324 50 then then RB 39928 324 51 get get VB 39928 324 52 nearer near JJR 39928 324 53 together together RB 39928 324 54 every every DT 39928 324 55 revolution revolution NN 39928 324 56 . . . 39928 325 1 Then then RB 39928 325 2 , , , 39928 325 3 as as IN 39928 325 4 each each DT 39928 325 5 star star NN 39928 325 6 alternately alternately RB 39928 325 7 approaches approach VBZ 39928 325 8 and and CC 39928 325 9 recedes recede VBZ 39928 325 10 from from IN 39928 325 11 us -PRON- PRP 39928 325 12 the the DT 39928 325 13 radial radial JJ 39928 325 14 velocity velocity NN 39928 325 15 of of IN 39928 325 16 each each DT 39928 325 17 can can MD 39928 325 18 be be VB 39928 325 19 determined determine VBN 39928 325 20 , , , 39928 325 21 and and CC 39928 325 22 this this DT 39928 325 23 gives give VBZ 39928 325 24 the the DT 39928 325 25 relative relative JJ 39928 325 26 mass mass NN 39928 325 27 . . . 39928 326 1 In in IN 39928 326 2 this this DT 39928 326 3 way way NN 39928 326 4 not not RB 39928 326 5 only only RB 39928 326 6 doubles double VBZ 39928 326 7 , , , 39928 326 8 but but CC 39928 326 9 triple triple JJ 39928 326 10 and and CC 39928 326 11 multiple multiple JJ 39928 326 12 systems system NNS 39928 326 13 , , , 39928 326 14 have have VBP 39928 326 15 been be VBN 39928 326 16 discovered discover VBN 39928 326 17 . . . 39928 327 1 The the DT 39928 327 2 stars star NNS 39928 327 3 proved prove VBD 39928 327 4 to to TO 39928 327 5 be be VB 39928 327 6 double double JJ 39928 327 7 by by IN 39928 327 8 these these DT 39928 327 9 two two CD 39928 327 10 methods method NNS 39928 327 11 are be VBP 39928 327 12 so so RB 39928 327 13 numerous numerous JJ 39928 327 14 that that IN 39928 327 15 it -PRON- PRP 39928 327 16 has have VBZ 39928 327 17 been be VBN 39928 327 18 estimated estimate VBN 39928 327 19 by by IN 39928 327 20 one one CD 39928 327 21 of of IN 39928 327 22 the the DT 39928 327 23 best good JJS 39928 327 24 observers observer NNS 39928 327 25 that that WDT 39928 327 26 about about IN 39928 327 27 one one CD 39928 327 28 star star NN 39928 327 29 in in IN 39928 327 30 every every DT 39928 327 31 thirteen thirteen CD 39928 327 32 shows show VBZ 39928 327 33 inequality inequality NN 39928 327 34 in in IN 39928 327 35 its -PRON- PRP$ 39928 327 36 radial radial JJ 39928 327 37 motion motion NN 39928 327 38 and and CC 39928 327 39 is be VBZ 39928 327 40 therefore therefore RB 39928 327 41 really really RB 39928 327 42 a a DT 39928 327 43 double double JJ 39928 327 44 star star NN 39928 327 45 . . . 39928 328 1 THE the DT 39928 328 2 NEBULÆ NEBULÆ NNP 39928 328 3 One one CD 39928 328 4 other other JJ 39928 328 5 great great JJ 39928 328 6 result result NN 39928 328 7 of of IN 39928 328 8 spectrum spectrum NN 39928 328 9 - - HYPH 39928 328 10 analysis analysis NN 39928 328 11 , , , 39928 328 12 and and CC 39928 328 13 in in IN 39928 328 14 some some DT 39928 328 15 respects respect NNS 39928 328 16 perhaps perhaps RB 39928 328 17 the the DT 39928 328 18 greatest great JJS 39928 328 19 , , , 39928 328 20 is be VBZ 39928 328 21 its -PRON- PRP$ 39928 328 22 demonstration demonstration NN 39928 328 23 of of IN 39928 328 24 the the DT 39928 328 25 fact fact NN 39928 328 26 that that IN 39928 328 27 true true JJ 39928 328 28 nebulæ nebulæ NN 39928 328 29 exist exist VBP 39928 328 30 , , , 39928 328 31 and and CC 39928 328 32 that that IN 39928 328 33 they -PRON- PRP 39928 328 34 are be VBP 39928 328 35 not not RB 39928 328 36 all all DT 39928 328 37 star star NN 39928 328 38 - - HYPH 39928 328 39 clusters cluster NNS 39928 328 40 so so RB 39928 328 41 remote remote JJ 39928 328 42 as as IN 39928 328 43 to to TO 39928 328 44 be be VB 39928 328 45 irresolvable irresolvable JJ 39928 328 46 , , , 39928 328 47 as as IN 39928 328 48 was be VBD 39928 328 49 once once RB 39928 328 50 supposed suppose VBN 39928 328 51 . . . 39928 329 1 They -PRON- PRP 39928 329 2 are be VBP 39928 329 3 shown show VBN 39928 329 4 to to TO 39928 329 5 have have VB 39928 329 6 gaseous gaseous JJ 39928 329 7 spectra spectra NN 39928 329 8 , , , 39928 329 9 or or CC 39928 329 10 sometimes sometimes RB 39928 329 11 gaseous gaseous JJ 39928 329 12 and and CC 39928 329 13 stellar stellar JJ 39928 329 14 spectra spectra NN 39928 329 15 combined combine VBN 39928 329 16 , , , 39928 329 17 and and CC 39928 329 18 this this DT 39928 329 19 , , , 39928 329 20 in in IN 39928 329 21 connection connection NN 39928 329 22 with with IN 39928 329 23 the the DT 39928 329 24 fact fact NN 39928 329 25 that that IN 39928 329 26 nebulæ nebulæ NN 39928 329 27 are be VBP 39928 329 28 frequently frequently RB 39928 329 29 aggregated aggregate VBN 39928 329 30 around around IN 39928 329 31 nebulous nebulous JJ 39928 329 32 stars star NNS 39928 329 33 or or CC 39928 329 34 groups group NNS 39928 329 35 of of IN 39928 329 36 stars star NNS 39928 329 37 , , , 39928 329 38 renders render VBZ 39928 329 39 it -PRON- PRP 39928 329 40 certain certain JJ 39928 329 41 that that IN 39928 329 42 the the DT 39928 329 43 nebulæ nebulæ NNS 39928 329 44 are be VBP 39928 329 45 in in IN 39928 329 46 no no DT 39928 329 47 way way NN 39928 329 48 separated separate VBN 39928 329 49 in in IN 39928 329 50 space space NN 39928 329 51 from from IN 39928 329 52 the the DT 39928 329 53 stars star NNS 39928 329 54 , , , 39928 329 55 but but CC 39928 329 56 that that IN 39928 329 57 they -PRON- PRP 39928 329 58 constitute constitute VBP 39928 329 59 essential essential JJ 39928 329 60 parts part NNS 39928 329 61 of of IN 39928 329 62 one one CD 39928 329 63 vast vast JJ 39928 329 64 stellar stellar JJ 39928 329 65 universe universe NN 39928 329 66 . . . 39928 330 1 There there EX 39928 330 2 is be VBZ 39928 330 3 , , , 39928 330 4 indeed indeed RB 39928 330 5 , , , 39928 330 6 good good JJ 39928 330 7 reason reason NN 39928 330 8 to to TO 39928 330 9 believe believe VB 39928 330 10 that that IN 39928 330 11 they -PRON- PRP 39928 330 12 are be VBP 39928 330 13 really really RB 39928 330 14 the the DT 39928 330 15 material material NN 39928 330 16 out out IN 39928 330 17 of of IN 39928 330 18 which which WDT 39928 330 19 stars star NNS 39928 330 20 are be VBP 39928 330 21 made make VBN 39928 330 22 , , , 39928 330 23 and and CC 39928 330 24 that that IN 39928 330 25 in in IN 39928 330 26 their -PRON- PRP$ 39928 330 27 forms form NNS 39928 330 28 , , , 39928 330 29 aggregations aggregation NNS 39928 330 30 , , , 39928 330 31 and and CC 39928 330 32 condensations condensation NNS 39928 330 33 , , , 39928 330 34 we -PRON- PRP 39928 330 35 can can MD 39928 330 36 trace trace VB 39928 330 37 the the DT 39928 330 38 very very JJ 39928 330 39 process process NN 39928 330 40 of of IN 39928 330 41 evolution evolution NN 39928 330 42 of of IN 39928 330 43 stars star NNS 39928 330 44 and and CC 39928 330 45 suns sun NNS 39928 330 46 . . . 39928 331 1 PHOTOGRAPHIC photographic NN 39928 331 2 ASTRONOMY astronomy NN 39928 331 3 But but CC 39928 331 4 there there EX 39928 331 5 is be VBZ 39928 331 6 yet yet RB 39928 331 7 another another DT 39928 331 8 powerful powerful JJ 39928 331 9 engine engine NN 39928 331 10 of of IN 39928 331 11 research research NN 39928 331 12 which which WDT 39928 331 13 the the DT 39928 331 14 new new JJ 39928 331 15 astronomy astronomy NN 39928 331 16 possesses possess VBZ 39928 331 17 , , , 39928 331 18 and and CC 39928 331 19 which which WDT 39928 331 20 , , , 39928 331 21 either either CC 39928 331 22 alone alone RB 39928 331 23 or or CC 39928 331 24 in in IN 39928 331 25 combination combination NN 39928 331 26 with with IN 39928 331 27 the the DT 39928 331 28 spectroscope spectroscope NN 39928 331 29 , , , 39928 331 30 had have VBD 39928 331 31 produced produce VBN 39928 331 32 and and CC 39928 331 33 will will MD 39928 331 34 yet yet RB 39928 331 35 produce produce VB 39928 331 36 in in IN 39928 331 37 the the DT 39928 331 38 future future NN 39928 331 39 an an DT 39928 331 40 amount amount NN 39928 331 41 of of IN 39928 331 42 knowledge knowledge NN 39928 331 43 of of IN 39928 331 44 the the DT 39928 331 45 stellar stellar JJ 39928 331 46 universe universe NN 39928 331 47 which which WDT 39928 331 48 could could MD 39928 331 49 never never RB 39928 331 50 be be VB 39928 331 51 attained attain VBN 39928 331 52 by by IN 39928 331 53 any any DT 39928 331 54 other other JJ 39928 331 55 means mean NNS 39928 331 56 . . . 39928 332 1 It -PRON- PRP 39928 332 2 has have VBZ 39928 332 3 already already RB 39928 332 4 been be VBN 39928 332 5 stated state VBN 39928 332 6 how how WRB 39928 332 7 the the DT 39928 332 8 discovery discovery NN 39928 332 9 of of IN 39928 332 10 new new JJ 39928 332 11 variable variable JJ 39928 332 12 and and CC 39928 332 13 binary binary JJ 39928 332 14 stars star NNS 39928 332 15 has have VBZ 39928 332 16 been be VBN 39928 332 17 rendered render VBN 39928 332 18 possible possible JJ 39928 332 19 by by IN 39928 332 20 the the DT 39928 332 21 preservation preservation NN 39928 332 22 of of IN 39928 332 23 the the DT 39928 332 24 photographic photographic JJ 39928 332 25 plates plate NNS 39928 332 26 on on IN 39928 332 27 which which WDT 39928 332 28 the the DT 39928 332 29 spectra spectra NNP 39928 332 30 are be VBP 39928 332 31 self self NN 39928 332 32 - - HYPH 39928 332 33 recorded record VBN 39928 332 34 , , , 39928 332 35 night night NN 39928 332 36 after after IN 39928 332 37 night night NN 39928 332 38 , , , 39928 332 39 with with IN 39928 332 40 every every DT 39928 332 41 line line NN 39928 332 42 , , , 39928 332 43 whether whether IN 39928 332 44 dark dark JJ 39928 332 45 or or CC 39928 332 46 coloured coloured JJ 39928 332 47 , , , 39928 332 48 in in IN 39928 332 49 true true JJ 39928 332 50 position position NN 39928 332 51 , , , 39928 332 52 so so IN 39928 332 53 as as IN 39928 332 54 to to TO 39928 332 55 bear bear VB 39928 332 56 magnification magnification NN 39928 332 57 , , , 39928 332 58 and and CC 39928 332 59 , , , 39928 332 60 by by IN 39928 332 61 comparison comparison NN 39928 332 62 with with IN 39928 332 63 others other NNS 39928 332 64 of of IN 39928 332 65 the the DT 39928 332 66 series series NN 39928 332 67 , , , 39928 332 68 enabling enable VBG 39928 332 69 the the DT 39928 332 70 most most RBS 39928 332 71 minute minute NN 39928 332 72 changes change NNS 39928 332 73 to to TO 39928 332 74 be be VB 39928 332 75 detected detect VBN 39928 332 76 and and CC 39928 332 77 their -PRON- PRP$ 39928 332 78 amount amount NN 39928 332 79 accurately accurately RB 39928 332 80 measured measure VBN 39928 332 81 . . . 39928 333 1 Without without IN 39928 333 2 the the DT 39928 333 3 preservation preservation NN 39928 333 4 of of IN 39928 333 5 such such JJ 39928 333 6 comparable comparable JJ 39928 333 7 records record NNS 39928 333 8 , , , 39928 333 9 which which WDT 39928 333 10 is be VBZ 39928 333 11 in in IN 39928 333 12 no no DT 39928 333 13 other other JJ 39928 333 14 way way NN 39928 333 15 possible possible JJ 39928 333 16 , , , 39928 333 17 by by IN 39928 333 18 far far RB 39928 333 19 the the DT 39928 333 20 larger large JJR 39928 333 21 portion portion NN 39928 333 22 of of IN 39928 333 23 spectroscopic spectroscopic JJ 39928 333 24 discoveries discovery NNS 39928 333 25 could could MD 39928 333 26 never never RB 39928 333 27 have have VB 39928 333 28 been be VBN 39928 333 29 made make VBN 39928 333 30 . . . 39928 334 1 But but CC 39928 334 2 there there EX 39928 334 3 are be VBP 39928 334 4 two two CD 39928 334 5 other other JJ 39928 334 6 uses use NNS 39928 334 7 of of IN 39928 334 8 photography photography NN 39928 334 9 of of IN 39928 334 10 quite quite PDT 39928 334 11 a a DT 39928 334 12 different different JJ 39928 334 13 nature nature NN 39928 334 14 which which WDT 39928 334 15 are be VBP 39928 334 16 equally equally RB 39928 334 17 and and CC 39928 334 18 perhaps perhaps RB 39928 334 19 in in IN 39928 334 20 their -PRON- PRP$ 39928 334 21 final final JJ 39928 334 22 outcome outcome NN 39928 334 23 may may MD 39928 334 24 be be VB 39928 334 25 far far RB 39928 334 26 more more RBR 39928 334 27 important important JJ 39928 334 28 . . . 39928 335 1 The the DT 39928 335 2 first first JJ 39928 335 3 is be VBZ 39928 335 4 , , , 39928 335 5 that that IN 39928 335 6 by by IN 39928 335 7 the the DT 39928 335 8 use use NN 39928 335 9 of of IN 39928 335 10 the the DT 39928 335 11 photographic photographic JJ 39928 335 12 plate plate NN 39928 335 13 the the DT 39928 335 14 exact exact JJ 39928 335 15 positions position NNS 39928 335 16 of of IN 39928 335 17 scores score NNS 39928 335 18 , , , 39928 335 19 hundreds hundred NNS 39928 335 20 , , , 39928 335 21 or or CC 39928 335 22 even even RB 39928 335 23 thousands thousand NNS 39928 335 24 of of IN 39928 335 25 stars star NNS 39928 335 26 can can MD 39928 335 27 be be VB 39928 335 28 self self NN 39928 335 29 - - HYPH 39928 335 30 mapped map VBN 39928 335 31 simultaneously simultaneously RB 39928 335 32 with with IN 39928 335 33 extreme extreme JJ 39928 335 34 accuracy accuracy NN 39928 335 35 , , , 39928 335 36 while while IN 39928 335 37 any any DT 39928 335 38 number number NN 39928 335 39 of of IN 39928 335 40 copies copy NNS 39928 335 41 can can MD 39928 335 42 be be VB 39928 335 43 made make VBN 39928 335 44 of of IN 39928 335 45 these these DT 39928 335 46 star star NN 39928 335 47 - - HYPH 39928 335 48 maps map NNS 39928 335 49 . . . 39928 336 1 This this DT 39928 336 2 entirely entirely RB 39928 336 3 obviates obviate VBZ 39928 336 4 the the DT 39928 336 5 necessity necessity NN 39928 336 6 for for IN 39928 336 7 the the DT 39928 336 8 old old JJ 39928 336 9 method method NN 39928 336 10 of of IN 39928 336 11 fixing fix VBG 39928 336 12 the the DT 39928 336 13 position position NN 39928 336 14 of of IN 39928 336 15 each each DT 39928 336 16 star star NN 39928 336 17 by by IN 39928 336 18 repeated repeat VBN 39928 336 19 measurement measurement NN 39928 336 20 by by IN 39928 336 21 means mean NNS 39928 336 22 of of IN 39928 336 23 very very RB 39928 336 24 elaborate elaborate JJ 39928 336 25 instruments instrument NNS 39928 336 26 , , , 39928 336 27 and and CC 39928 336 28 their -PRON- PRP$ 39928 336 29 registration registration NN 39928 336 30 in in IN 39928 336 31 laborious laborious JJ 39928 336 32 and and CC 39928 336 33 expensive expensive JJ 39928 336 34 catalogues catalogue NNS 39928 336 35 . . . 39928 337 1 So so RB 39928 337 2 important important JJ 39928 337 3 is be VBZ 39928 337 4 this this DT 39928 337 5 now now RB 39928 337 6 seen see VBN 39928 337 7 to to TO 39928 337 8 be be VB 39928 337 9 , , , 39928 337 10 that that DT 39928 337 11 specially specially RB 39928 337 12 constructed construct VBN 39928 337 13 cameras camera NNS 39928 337 14 are be VBP 39928 337 15 made make VBN 39928 337 16 for for IN 39928 337 17 stellar stellar JJ 39928 337 18 photography photography NN 39928 337 19 , , , 39928 337 20 and and CC 39928 337 21 by by IN 39928 337 22 means mean NNS 39928 337 23 of of IN 39928 337 24 the the DT 39928 337 25 best good JJS 39928 337 26 kinds kind NNS 39928 337 27 of of IN 39928 337 28 equatorial equatorial JJ 39928 337 29 mounting mounting NN 39928 337 30 are be VBP 39928 337 31 made make VBN 39928 337 32 to to TO 39928 337 33 revolve revolve VB 39928 337 34 slowly slowly RB 39928 337 35 so so IN 39928 337 36 that that IN 39928 337 37 the the DT 39928 337 38 image image NN 39928 337 39 of of IN 39928 337 40 each each DT 39928 337 41 star star NN 39928 337 42 remains remain VBZ 39928 337 43 stationary stationary JJ 39928 337 44 upon upon IN 39928 337 45 the the DT 39928 337 46 plate plate NN 39928 337 47 for for IN 39928 337 48 several several JJ 39928 337 49 hours hour NNS 39928 337 50 . . . 39928 338 1 Arrangements arrangement NNS 39928 338 2 have have VBP 39928 338 3 been be VBN 39928 338 4 now now RB 39928 338 5 made make VBN 39928 338 6 among among IN 39928 338 7 all all PDT 39928 338 8 the the DT 39928 338 9 chief chief JJ 39928 338 10 observatories observatory NNS 39928 338 11 of of IN 39928 338 12 the the DT 39928 338 13 world world NN 39928 338 14 to to TO 39928 338 15 carry carry VB 39928 338 16 out out RP 39928 338 17 a a DT 39928 338 18 photographic photographic JJ 39928 338 19 survey survey NN 39928 338 20 of of IN 39928 338 21 the the DT 39928 338 22 heavens heavens NNPS 39928 338 23 with with IN 39928 338 24 identical identical JJ 39928 338 25 instruments instrument NNS 39928 338 26 , , , 39928 338 27 so so IN 39928 338 28 as as IN 39928 338 29 to to TO 39928 338 30 produce produce VB 39928 338 31 maps map NNS 39928 338 32 of of IN 39928 338 33 the the DT 39928 338 34 whole whole JJ 39928 338 35 star star NN 39928 338 36 - - HYPH 39928 338 37 system system NN 39928 338 38 on on IN 39928 338 39 the the DT 39928 338 40 same same JJ 39928 338 41 scale scale NN 39928 338 42 . . . 39928 339 1 These these DT 39928 339 2 will will MD 39928 339 3 serve serve VB 39928 339 4 as as IN 39928 339 5 fixed fix VBN 39928 339 6 data datum NNS 39928 339 7 for for IN 39928 339 8 future future JJ 39928 339 9 astronomers astronomer NNS 39928 339 10 , , , 39928 339 11 who who WP 39928 339 12 will will MD 39928 339 13 thus thus RB 39928 339 14 be be VB 39928 339 15 able able JJ 39928 339 16 to to TO 39928 339 17 determine determine VB 39928 339 18 the the DT 39928 339 19 movements movement NNS 39928 339 20 of of IN 39928 339 21 stars star NNS 39928 339 22 of of IN 39928 339 23 all all DT 39928 339 24 magnitudes magnitude NNS 39928 339 25 with with IN 39928 339 26 a a DT 39928 339 27 certainty certainty NN 39928 339 28 and and CC 39928 339 29 accuracy accuracy NN 39928 339 30 hitherto hitherto VBD 39928 339 31 unattainable unattainable JJ 39928 339 32 . . . 39928 340 1 The the DT 39928 340 2 other other JJ 39928 340 3 important important JJ 39928 340 4 use use NN 39928 340 5 of of IN 39928 340 6 photography photography NN 39928 340 7 depends depend VBZ 39928 340 8 upon upon IN 39928 340 9 the the DT 39928 340 10 fact fact NN 39928 340 11 that that IN 39928 340 12 with with IN 39928 340 13 a a DT 39928 340 14 longer long JJR 39928 340 15 exposure exposure NN 39928 340 16 within within IN 39928 340 17 certain certain JJ 39928 340 18 limits limit NNS 39928 340 19 we -PRON- PRP 39928 340 20 increase increase VBP 39928 340 21 the the DT 39928 340 22 light light NN 39928 340 23 - - HYPH 39928 340 24 collecting collect VBG 39928 340 25 power power NN 39928 340 26 . . . 39928 341 1 It -PRON- PRP 39928 341 2 will will MD 39928 341 3 surprise surprise VB 39928 341 4 many many JJ 39928 341 5 persons person NNS 39928 341 6 to to TO 39928 341 7 learn learn VB 39928 341 8 that that IN 39928 341 9 an an DT 39928 341 10 ordinary ordinary JJ 39928 341 11 good good JJ 39928 341 12 portrait portrait NN 39928 341 13 - - HYPH 39928 341 14 camera camera NN 39928 341 15 with with IN 39928 341 16 a a DT 39928 341 17 lens lens NN 39928 341 18 three three CD 39928 341 19 or or CC 39928 341 20 four four CD 39928 341 21 inches inch NNS 39928 341 22 in in IN 39928 341 23 diameter diameter NN 39928 341 24 , , , 39928 341 25 if if IN 39928 341 26 properly properly RB 39928 341 27 mounted mount VBN 39928 341 28 so so IN 39928 341 29 that that IN 39928 341 30 an an DT 39928 341 31 exposure exposure NN 39928 341 32 of of IN 39928 341 33 several several JJ 39928 341 34 hours hour NNS 39928 341 35 can can MD 39928 341 36 be be VB 39928 341 37 made make VBN 39928 341 38 , , , 39928 341 39 will will MD 39928 341 40 show show VB 39928 341 41 stars star NNS 39928 341 42 so so RB 39928 341 43 minute minute JJ 39928 341 44 that that IN 39928 341 45 they -PRON- PRP 39928 341 46 are be VBP 39928 341 47 invisible invisible JJ 39928 341 48 even even RB 39928 341 49 in in IN 39928 341 50 the the DT 39928 341 51 great great JJ 39928 341 52 Lick Lick NNP 39928 341 53 telescope telescope NN 39928 341 54 . . . 39928 342 1 In in IN 39928 342 2 this this DT 39928 342 3 way way NN 39928 342 4 the the DT 39928 342 5 camera camera NN 39928 342 6 will will MD 39928 342 7 often often RB 39928 342 8 reveal reveal VB 39928 342 9 double double JJ 39928 342 10 - - HYPH 39928 342 11 stars star NNS 39928 342 12 or or CC 39928 342 13 small small JJ 39928 342 14 groups group NNS 39928 342 15 which which WDT 39928 342 16 can can MD 39928 342 17 be be VB 39928 342 18 made make VBN 39928 342 19 visible visible JJ 39928 342 20 in in IN 39928 342 21 no no DT 39928 342 22 other other JJ 39928 342 23 way way NN 39928 342 24 . . . 39928 343 1 Such such JJ 39928 343 2 photographs photograph NNS 39928 343 3 of of IN 39928 343 4 the the DT 39928 343 5 stars star NNS 39928 343 6 are be VBP 39928 343 7 now now RB 39928 343 8 constantly constantly RB 39928 343 9 reproduced reproduce VBN 39928 343 10 in in IN 39928 343 11 works work NNS 39928 343 12 on on IN 39928 343 13 Astronomy Astronomy NNP 39928 343 14 and and CC 39928 343 15 in in IN 39928 343 16 popular popular JJ 39928 343 17 magazine magazine NN 39928 343 18 articles article NNS 39928 343 19 , , , 39928 343 20 and and CC 39928 343 21 although although IN 39928 343 22 some some DT 39928 343 23 of of IN 39928 343 24 them -PRON- PRP 39928 343 25 are be VBP 39928 343 26 very very RB 39928 343 27 striking striking JJ 39928 343 28 , , , 39928 343 29 many many JJ 39928 343 30 persons person NNS 39928 343 31 are be VBP 39928 343 32 disappointed disappoint VBN 39928 343 33 with with IN 39928 343 34 them -PRON- PRP 39928 343 35 , , , 39928 343 36 and and CC 39928 343 37 can can MD 39928 343 38 not not RB 39928 343 39 understand understand VB 39928 343 40 their -PRON- PRP$ 39928 343 41 great great JJ 39928 343 42 value value NN 39928 343 43 , , , 39928 343 44 because because IN 39928 343 45 each each DT 39928 343 46 star star NN 39928 343 47 is be VBZ 39928 343 48 represented represent VBN 39928 343 49 by by IN 39928 343 50 a a DT 39928 343 51 white white JJ 39928 343 52 circle circle NN 39928 343 53 often often RB 39928 343 54 of of IN 39928 343 55 considerable considerable JJ 39928 343 56 size size NN 39928 343 57 and and CC 39928 343 58 with with IN 39928 343 59 a a DT 39928 343 60 somewhat somewhat RB 39928 343 61 undefined undefined JJ 39928 343 62 outline outline NN 39928 343 63 , , , 39928 343 64 not not RB 39928 343 65 by by IN 39928 343 66 a a DT 39928 343 67 minute minute NN 39928 343 68 point point NN 39928 343 69 of of IN 39928 343 70 light light NN 39928 343 71 as as IN 39928 343 72 stars star NNS 39928 343 73 appear appear VBP 39928 343 74 in in IN 39928 343 75 a a DT 39928 343 76 good good JJ 39928 343 77 telescope telescope NN 39928 343 78 . . . 39928 344 1 But but CC 39928 344 2 the the DT 39928 344 3 essential essential JJ 39928 344 4 matter matter NN 39928 344 5 in in IN 39928 344 6 all all DT 39928 344 7 such such JJ 39928 344 8 photographs photograph NNS 39928 344 9 is be VBZ 39928 344 10 not not RB 39928 344 11 so so RB 39928 344 12 much much RB 39928 344 13 the the DT 39928 344 14 smallness smallness JJ 39928 344 15 , , , 39928 344 16 as as IN 39928 344 17 the the DT 39928 344 18 roundness roundness NN 39928 344 19 , , , 39928 344 20 of of IN 39928 344 21 the the DT 39928 344 22 star star NN 39928 344 23 - - HYPH 39928 344 24 images image NNS 39928 344 25 , , , 39928 344 26 as as IN 39928 344 27 this this DT 39928 344 28 proves prove VBZ 39928 344 29 the the DT 39928 344 30 extreme extreme JJ 39928 344 31 precision precision NN 39928 344 32 with with IN 39928 344 33 which which WDT 39928 344 34 the the DT 39928 344 35 image image NN 39928 344 36 of of IN 39928 344 37 every every DT 39928 344 38 star star NN 39928 344 39 has have VBZ 39928 344 40 been be VBN 39928 344 41 kept keep VBN 39928 344 42 by by IN 39928 344 43 the the DT 39928 344 44 clockwork clockwork NN 39928 344 45 motion motion NN 39928 344 46 of of IN 39928 344 47 the the DT 39928 344 48 instrument instrument NN 39928 344 49 on on IN 39928 344 50 the the DT 39928 344 51 same same JJ 39928 344 52 point point NN 39928 344 53 of of IN 39928 344 54 the the DT 39928 344 55 plate plate NN 39928 344 56 during during IN 39928 344 57 the the DT 39928 344 58 whole whole JJ 39928 344 59 exposure exposure NN 39928 344 60 . . . 39928 345 1 For for IN 39928 345 2 example example NN 39928 345 3 , , , 39928 345 4 in in IN 39928 345 5 the the DT 39928 345 6 fine fine JJ 39928 345 7 photograph photograph NN 39928 345 8 of of IN 39928 345 9 the the DT 39928 345 10 Great Great NNP 39928 345 11 Nebula Nebula NNP 39928 345 12 in in IN 39928 345 13 Andromeda Andromeda NNP 39928 345 14 , , , 39928 345 15 taken take VBN 39928 345 16 29th 29th NN 39928 345 17 December December NNP 39928 345 18 1888 1888 CD 39928 345 19 , , , 39928 345 20 by by IN 39928 345 21 Dr. Dr. NNP 39928 345 22 Isaac Isaac NNP 39928 345 23 Roberts Roberts NNP 39928 345 24 , , , 39928 345 25 with with IN 39928 345 26 an an DT 39928 345 27 exposure exposure NN 39928 345 28 of of IN 39928 345 29 four four CD 39928 345 30 hours hour NNS 39928 345 31 , , , 39928 345 32 there there EX 39928 345 33 are be VBP 39928 345 34 probably probably RB 39928 345 35 over over IN 39928 345 36 a a DT 39928 345 37 thousand thousand CD 39928 345 38 stars star NNS 39928 345 39 large large JJ 39928 345 40 and and CC 39928 345 41 small small JJ 39928 345 42 to to TO 39928 345 43 be be VB 39928 345 44 seen see VBN 39928 345 45 , , , 39928 345 46 every every DT 39928 345 47 one one NN 39928 345 48 represented represent VBN 39928 345 49 by by IN 39928 345 50 an an DT 39928 345 51 almost almost RB 39928 345 52 exactly exactly RB 39928 345 53 circular circular JJ 39928 345 54 white white JJ 39928 345 55 dot dot NN 39928 345 56 of of IN 39928 345 57 a a DT 39928 345 58 size size NN 39928 345 59 dependent dependent JJ 39928 345 60 on on IN 39928 345 61 the the DT 39928 345 62 magnitude magnitude NN 39928 345 63 of of IN 39928 345 64 the the DT 39928 345 65 star star NN 39928 345 66 . . . 39928 346 1 These these DT 39928 346 2 round round JJ 39928 346 3 dots dot NNS 39928 346 4 can can MD 39928 346 5 be be VB 39928 346 6 bisected bisect VBN 39928 346 7 by by IN 39928 346 8 the the DT 39928 346 9 cross cross NN 39928 346 10 hairs hair NNS 39928 346 11 of of IN 39928 346 12 a a DT 39928 346 13 micrometer micrometer NN 39928 346 14 with with IN 39928 346 15 very very RB 39928 346 16 great great JJ 39928 346 17 accuracy accuracy NN 39928 346 18 , , , 39928 346 19 and and CC 39928 346 20 thus thus RB 39928 346 21 the the DT 39928 346 22 distance distance NN 39928 346 23 between between IN 39928 346 24 the the DT 39928 346 25 centres centre NNS 39928 346 26 of of IN 39928 346 27 any any DT 39928 346 28 of of IN 39928 346 29 the the DT 39928 346 30 pairs pair NNS 39928 346 31 , , , 39928 346 32 as as RB 39928 346 33 well well RB 39928 346 34 as as IN 39928 346 35 the the DT 39928 346 36 direction direction NN 39928 346 37 of of IN 39928 346 38 the the DT 39928 346 39 line line NN 39928 346 40 joining join VBG 39928 346 41 their -PRON- PRP$ 39928 346 42 centres centre NNS 39928 346 43 , , , 39928 346 44 can can MD 39928 346 45 be be VB 39928 346 46 determined determine VBN 39928 346 47 as as RB 39928 346 48 accurately accurately RB 39928 346 49 as as IN 39928 346 50 if if IN 39928 346 51 each each DT 39928 346 52 was be VBD 39928 346 53 represented represent VBN 39928 346 54 by by IN 39928 346 55 a a DT 39928 346 56 point point NN 39928 346 57 only only RB 39928 346 58 . . . 39928 347 1 But but CC 39928 347 2 as as IN 39928 347 3 a a DT 39928 347 4 minute minute JJ 39928 347 5 white white JJ 39928 347 6 speck speck NN 39928 347 7 would would MD 39928 347 8 be be VB 39928 347 9 almost almost RB 39928 347 10 invisible invisible JJ 39928 347 11 on on IN 39928 347 12 the the DT 39928 347 13 maps map NNS 39928 347 14 , , , 39928 347 15 and and CC 39928 347 16 would would MD 39928 347 17 convey convey VB 39928 347 18 no no DT 39928 347 19 information information NN 39928 347 20 as as IN 39928 347 21 to to IN 39928 347 22 the the DT 39928 347 23 approximate approximate JJ 39928 347 24 magnitude magnitude NN 39928 347 25 of of IN 39928 347 26 the the DT 39928 347 27 star star NN 39928 347 28 , , , 39928 347 29 mistakes mistake NNS 39928 347 30 would would MD 39928 347 31 be be VB 39928 347 32 much much RB 39928 347 33 more more RBR 39928 347 34 easily easily RB 39928 347 35 made make VBN 39928 347 36 , , , 39928 347 37 and and CC 39928 347 38 it -PRON- PRP 39928 347 39 would would MD 39928 347 40 probably probably RB 39928 347 41 be be VB 39928 347 42 found find VBN 39928 347 43 necessary necessary JJ 39928 347 44 to to TO 39928 347 45 surround surround VB 39928 347 46 each each DT 39928 347 47 star star NN 39928 347 48 with with IN 39928 347 49 a a DT 39928 347 50 circle circle NN 39928 347 51 to to TO 39928 347 52 indicate indicate VB 39928 347 53 its -PRON- PRP$ 39928 347 54 magnitude magnitude NN 39928 347 55 , , , 39928 347 56 and and CC 39928 347 57 to to TO 39928 347 58 enable enable VB 39928 347 59 it -PRON- PRP 39928 347 60 to to TO 39928 347 61 be be VB 39928 347 62 easily easily RB 39928 347 63 seen see VBN 39928 347 64 . . . 39928 348 1 It -PRON- PRP 39928 348 2 is be VBZ 39928 348 3 probable probable JJ 39928 348 4 , , , 39928 348 5 therefore therefore RB 39928 348 6 , , , 39928 348 7 that that IN 39928 348 8 the the DT 39928 348 9 supposed suppose VBN 39928 348 10 defect defect NN 39928 348 11 is be VBZ 39928 348 12 really really RB 39928 348 13 an an DT 39928 348 14 important important JJ 39928 348 15 advantage advantage NN 39928 348 16 . . . 39928 349 1 The the DT 39928 349 2 above above RB 39928 349 3 - - HYPH 39928 349 4 mentioned mention VBN 39928 349 5 photograph photograph NN 39928 349 6 is be VBZ 39928 349 7 beautifully beautifully RB 39928 349 8 reproduced reproduce VBN 39928 349 9 in in IN 39928 349 10 Proctor proctor NN 39928 349 11 's 's POS 39928 349 12 _ _ NNP 39928 349 13 Old Old NNP 39928 349 14 and and CC 39928 349 15 New New NNP 39928 349 16 Astronomy Astronomy NNP 39928 349 17 _ _ NNP 39928 349 18 , , , 39928 349 19 published publish VBN 39928 349 20 after after IN 39928 349 21 his -PRON- PRP$ 39928 349 22 greatly greatly RB 39928 349 23 lamented lament VBN 39928 349 24 death death NN 39928 349 25 . . . 39928 350 1 But but CC 39928 350 2 besides besides IN 39928 350 3 the the DT 39928 350 4 amount amount NN 39928 350 5 of of IN 39928 350 6 altogether altogether RB 39928 350 7 new new JJ 39928 350 8 knowledge knowledge NN 39928 350 9 obtained obtain VBN 39928 350 10 by by IN 39928 350 11 the the DT 39928 350 12 methods method NNS 39928 350 13 of of IN 39928 350 14 research research NN 39928 350 15 here here RB 39928 350 16 briefly briefly RB 39928 350 17 explained explain VBD 39928 350 18 , , , 39928 350 19 a a DT 39928 350 20 great great JJ 39928 350 21 deal deal NN 39928 350 22 of of IN 39928 350 23 light light NN 39928 350 24 has have VBZ 39928 350 25 been be VBN 39928 350 26 thrown throw VBN 39928 350 27 on on IN 39928 350 28 the the DT 39928 350 29 distribution distribution NN 39928 350 30 of of IN 39928 350 31 the the DT 39928 350 32 stars star NNS 39928 350 33 as as IN 39928 350 34 a a DT 39928 350 35 whole whole NN 39928 350 36 , , , 39928 350 37 and and CC 39928 350 38 hence hence RB 39928 350 39 on on IN 39928 350 40 the the DT 39928 350 41 nature nature NN 39928 350 42 and and CC 39928 350 43 extent extent NN 39928 350 44 of of IN 39928 350 45 the the DT 39928 350 46 stellar stellar JJ 39928 350 47 universe universe NN 39928 350 48 , , , 39928 350 49 by by IN 39928 350 50 a a DT 39928 350 51 careful careful JJ 39928 350 52 study study NN 39928 350 53 of of IN 39928 350 54 the the DT 39928 350 55 materials material NNS 39928 350 56 obtained obtain VBN 39928 350 57 by by IN 39928 350 58 the the DT 39928 350 59 old old JJ 39928 350 60 methods method NNS 39928 350 61 , , , 39928 350 62 and and CC 39928 350 63 by by IN 39928 350 64 the the DT 39928 350 65 application application NN 39928 350 66 of of IN 39928 350 67 the the DT 39928 350 68 doctrine doctrine NN 39928 350 69 of of IN 39928 350 70 probabilities probability NNS 39928 350 71 to to IN 39928 350 72 the the DT 39928 350 73 observed observe VBN 39928 350 74 facts fact NNS 39928 350 75 . . . 39928 351 1 In in IN 39928 351 2 this this DT 39928 351 3 way way NN 39928 351 4 alone alone RB 39928 351 5 some some DT 39928 351 6 very very RB 39928 351 7 striking striking JJ 39928 351 8 results result NNS 39928 351 9 have have VBP 39928 351 10 been be VBN 39928 351 11 reached reach VBN 39928 351 12 , , , 39928 351 13 and and CC 39928 351 14 these these DT 39928 351 15 have have VBP 39928 351 16 been be VBN 39928 351 17 supported support VBN 39928 351 18 and and CC 39928 351 19 strengthened strengthen VBN 39928 351 20 by by IN 39928 351 21 the the DT 39928 351 22 newer new JJR 39928 351 23 methods method NNS 39928 351 24 , , , 39928 351 25 and and CC 39928 351 26 also also RB 39928 351 27 by by IN 39928 351 28 the the DT 39928 351 29 use use NN 39928 351 30 of of IN 39928 351 31 new new JJ 39928 351 32 instruments instrument NNS 39928 351 33 in in IN 39928 351 34 the the DT 39928 351 35 measurement measurement NN 39928 351 36 of of IN 39928 351 37 stellar stellar JJ 39928 351 38 distances distance NNS 39928 351 39 . . . 39928 352 1 Some some DT 39928 352 2 of of IN 39928 352 3 these these DT 39928 352 4 results result NNS 39928 352 5 bear bear VBP 39928 352 6 so so RB 39928 352 7 closely closely RB 39928 352 8 and and CC 39928 352 9 directly directly RB 39928 352 10 upon upon IN 39928 352 11 the the DT 39928 352 12 special special JJ 39928 352 13 subject subject NN 39928 352 14 of of IN 39928 352 15 the the DT 39928 352 16 present present JJ 39928 352 17 volume volume NN 39928 352 18 , , , 39928 352 19 that that IN 39928 352 20 our -PRON- PRP$ 39928 352 21 next next JJ 39928 352 22 chapter chapter NN 39928 352 23 must must MD 39928 352 24 be be VB 39928 352 25 devoted devoted JJ 39928 352 26 to to IN 39928 352 27 a a DT 39928 352 28 consideration consideration NN 39928 352 29 of of IN 39928 352 30 them -PRON- PRP 39928 352 31 . . . 39928 353 1 CHAPTER CHAPTER NNP 39928 353 2 IV IV NNP 39928 353 3 THE the DT 39928 353 4 DISTRIBUTION distribution NN 39928 353 5 OF of IN 39928 353 6 THE the DT 39928 353 7 STARS star NNS 39928 353 8 If if IN 39928 353 9 we -PRON- PRP 39928 353 10 look look VBP 39928 353 11 at at IN 39928 353 12 the the DT 39928 353 13 heavens heaven NNS 39928 353 14 on on IN 39928 353 15 a a DT 39928 353 16 clear clear JJ 39928 353 17 , , , 39928 353 18 moonless moonless JJ 39928 353 19 night night NN 39928 353 20 in in IN 39928 353 21 winter winter NN 39928 353 22 , , , 39928 353 23 and and CC 39928 353 24 from from IN 39928 353 25 a a DT 39928 353 26 position position NN 39928 353 27 embracing embrace VBG 39928 353 28 the the DT 39928 353 29 entire entire JJ 39928 353 30 horizon horizon NN 39928 353 31 , , , 39928 353 32 the the DT 39928 353 33 scene scene NN 39928 353 34 is be VBZ 39928 353 35 an an DT 39928 353 36 inexpressibly inexpressibly RB 39928 353 37 grand grand JJ 39928 353 38 one one NN 39928 353 39 . . . 39928 354 1 The the DT 39928 354 2 intense intense JJ 39928 354 3 sparkling sparkling JJ 39928 354 4 brilliancy brilliancy NN 39928 354 5 of of IN 39928 354 6 Sirius Sirius NNP 39928 354 7 , , , 39928 354 8 Capella Capella NNP 39928 354 9 , , , 39928 354 10 Vega Vega NNP 39928 354 11 , , , 39928 354 12 and and CC 39928 354 13 other other JJ 39928 354 14 stars star NNS 39928 354 15 of of IN 39928 354 16 the the DT 39928 354 17 first first JJ 39928 354 18 magnitude magnitude NN 39928 354 19 ; ; : 39928 354 20 their -PRON- PRP$ 39928 354 21 striking striking JJ 39928 354 22 arrangement arrangement NN 39928 354 23 in in IN 39928 354 24 constellations constellation NNS 39928 354 25 or or CC 39928 354 26 groups group NNS 39928 354 27 , , , 39928 354 28 of of IN 39928 354 29 which which WDT 39928 354 30 Orion Orion NNP 39928 354 31 , , , 39928 354 32 the the DT 39928 354 33 Great Great NNP 39928 354 34 Bear Bear NNP 39928 354 35 , , , 39928 354 36 Cassiopeiæ Cassiopeiæ NNP 39928 354 37 , , , 39928 354 38 and and CC 39928 354 39 the the DT 39928 354 40 Pleiades Pleiades NNPS 39928 354 41 , , , 39928 354 42 are be VBP 39928 354 43 familiar familiar JJ 39928 354 44 examples example NNS 39928 354 45 ; ; : 39928 354 46 and and CC 39928 354 47 the the DT 39928 354 48 filling filling NN 39928 354 49 up up RP 39928 354 50 between between IN 39928 354 51 these these DT 39928 354 52 by by IN 39928 354 53 less less JJR 39928 354 54 and and CC 39928 354 55 less less RBR 39928 354 56 brilliant brilliant JJ 39928 354 57 points point NNS 39928 354 58 down down RP 39928 354 59 to to IN 39928 354 60 the the DT 39928 354 61 limit limit NN 39928 354 62 of of IN 39928 354 63 vision vision NN 39928 354 64 , , , 39928 354 65 so so IN 39928 354 66 as as IN 39928 354 67 to to TO 39928 354 68 cover cover VB 39928 354 69 the the DT 39928 354 70 whole whole JJ 39928 354 71 sky sky NN 39928 354 72 with with IN 39928 354 73 a a DT 39928 354 74 scintillating scintillate VBG 39928 354 75 tracery tracery NN 39928 354 76 of of IN 39928 354 77 minute minute JJ 39928 354 78 points point NNS 39928 354 79 of of IN 39928 354 80 light light NN 39928 354 81 , , , 39928 354 82 convey convey VB 39928 354 83 together together RB 39928 354 84 an an DT 39928 354 85 idea idea NN 39928 354 86 of of IN 39928 354 87 such such JJ 39928 354 88 confused confused JJ 39928 354 89 scattering scattering NN 39928 354 90 and and CC 39928 354 91 such such JJ 39928 354 92 enormous enormous JJ 39928 354 93 numbers number NNS 39928 354 94 , , , 39928 354 95 that that IN 39928 354 96 it -PRON- PRP 39928 354 97 seems seem VBZ 39928 354 98 impossible impossible JJ 39928 354 99 to to TO 39928 354 100 count count VB 39928 354 101 them -PRON- PRP 39928 354 102 or or CC 39928 354 103 to to TO 39928 354 104 reduce reduce VB 39928 354 105 them -PRON- PRP 39928 354 106 to to IN 39928 354 107 systematic systematic JJ 39928 354 108 order order NN 39928 354 109 . . . 39928 355 1 Yet yet CC 39928 355 2 this this DT 39928 355 3 was be VBD 39928 355 4 done do VBN 39928 355 5 for for IN 39928 355 6 all all DT 39928 355 7 except except IN 39928 355 8 the the DT 39928 355 9 faintest faint JJS 39928 355 10 stars star NNS 39928 355 11 by by IN 39928 355 12 Hipparchus Hipparchus NNP 39928 355 13 , , , 39928 355 14 134 134 CD 39928 355 15 B.C. B.C. NNP 39928 355 16 , , , 39928 355 17 who who WP 39928 355 18 catalogued catalogue VBD 39928 355 19 and and CC 39928 355 20 fixed fix VBD 39928 355 21 the the DT 39928 355 22 positions position NNS 39928 355 23 of of IN 39928 355 24 more more JJR 39928 355 25 than than IN 39928 355 26 1000 1000 CD 39928 355 27 stars star NNS 39928 355 28 , , , 39928 355 29 and and CC 39928 355 30 this this DT 39928 355 31 is be VBZ 39928 355 32 about about IN 39928 355 33 the the DT 39928 355 34 number number NN 39928 355 35 , , , 39928 355 36 down down IN 39928 355 37 to to IN 39928 355 38 the the DT 39928 355 39 fifth fifth JJ 39928 355 40 magnitude magnitude NN 39928 355 41 , , , 39928 355 42 visible visible JJ 39928 355 43 in in IN 39928 355 44 the the DT 39928 355 45 latitude latitude NN 39928 355 46 of of IN 39928 355 47 Greece Greece NNP 39928 355 48 . . . 39928 356 1 A a DT 39928 356 2 recent recent JJ 39928 356 3 enumeration enumeration NN 39928 356 4 of of IN 39928 356 5 all all PDT 39928 356 6 the the DT 39928 356 7 stars star NNS 39928 356 8 visible visible JJ 39928 356 9 to to IN 39928 356 10 the the DT 39928 356 11 naked naked JJ 39928 356 12 eye eye NN 39928 356 13 , , , 39928 356 14 under under IN 39928 356 15 the the DT 39928 356 16 most most RBS 39928 356 17 favourable favourable JJ 39928 356 18 conditions condition NNS 39928 356 19 and and CC 39928 356 20 by by IN 39928 356 21 the the DT 39928 356 22 best good JJS 39928 356 23 eyesight eyesight NN 39928 356 24 , , , 39928 356 25 has have VBZ 39928 356 26 been be VBN 39928 356 27 made make VBN 39928 356 28 by by IN 39928 356 29 the the DT 39928 356 30 American american JJ 39928 356 31 astronomer astronomer NN 39928 356 32 , , , 39928 356 33 Pickering Pickering NNP 39928 356 34 . . . 39928 357 1 His -PRON- PRP$ 39928 357 2 numbers number NNS 39928 357 3 are be VBP 39928 357 4 -- -- : 39928 357 5 for for IN 39928 357 6 the the DT 39928 357 7 Northern Northern NNP 39928 357 8 Hemisphere Hemisphere NNP 39928 357 9 2509 2509 CD 39928 357 10 , , , 39928 357 11 and and CC 39928 357 12 for for IN 39928 357 13 the the DT 39928 357 14 Southern Southern NNP 39928 357 15 Hemisphere Hemisphere NNP 39928 357 16 2824 2824 CD 39928 357 17 , , , 39928 357 18 thus thus RB 39928 357 19 showing show VBG 39928 357 20 a a DT 39928 357 21 somewhat somewhat RB 39928 357 22 greater great JJR 39928 357 23 richness richness NN 39928 357 24 in in IN 39928 357 25 the the DT 39928 357 26 southern southern JJ 39928 357 27 celestial celestial NN 39928 357 28 hemisphere hemisphere NN 39928 357 29 . . . 39928 358 1 But but CC 39928 358 2 as as IN 39928 358 3 this this DT 39928 358 4 difference difference NN 39928 358 5 is be VBZ 39928 358 6 due due JJ 39928 358 7 entirely entirely RB 39928 358 8 to to IN 39928 358 9 a a DT 39928 358 10 preponderance preponderance NN 39928 358 11 of of IN 39928 358 12 stars star NNS 39928 358 13 between between IN 39928 358 14 magnitudes magnitude NNS 39928 358 15 5 5 CD 39928 358 16 - - SYM 39928 358 17 1/2 1/2 CD 39928 358 18 and and CC 39928 358 19 6 6 CD 39928 358 20 , , , 39928 358 21 that that RB 39928 358 22 is is RB 39928 358 23 , , , 39928 358 24 just just RB 39928 358 25 on on IN 39928 358 26 the the DT 39928 358 27 limits limit NNS 39928 358 28 of of IN 39928 358 29 vision vision NN 39928 358 30 , , , 39928 358 31 while while IN 39928 358 32 those those DT 39928 358 33 down down RP 39928 358 34 to to IN 39928 358 35 magnitude magnitude NN 39928 358 36 5 5 CD 39928 358 37 - - SYM 39928 358 38 1/2 1/2 CD 39928 358 39 are be VBP 39928 358 40 more more RBR 39928 358 41 numerous numerous JJ 39928 358 42 by by IN 39928 358 43 85 85 CD 39928 358 44 in in IN 39928 358 45 the the DT 39928 358 46 Northern Northern NNP 39928 358 47 Hemisphere Hemisphere NNP 39928 358 48 , , , 39928 358 49 Professor Professor NNP 39928 358 50 Newcomb Newcomb NNP 39928 358 51 is be VBZ 39928 358 52 of of IN 39928 358 53 opinion opinion NN 39928 358 54 that that IN 39928 358 55 there there EX 39928 358 56 is be VBZ 39928 358 57 no no DT 39928 358 58 real real JJ 39928 358 59 superiority superiority NN 39928 358 60 of of IN 39928 358 61 numbers number NNS 39928 358 62 of of IN 39928 358 63 visible visible JJ 39928 358 64 stars star NNS 39928 358 65 in in IN 39928 358 66 one one CD 39928 358 67 hemisphere hemisphere NN 39928 358 68 over over IN 39928 358 69 the the DT 39928 358 70 other other JJ 39928 358 71 . . . 39928 359 1 Again again RB 39928 359 2 , , , 39928 359 3 the the DT 39928 359 4 total total JJ 39928 359 5 number number NN 39928 359 6 of of IN 39928 359 7 the the DT 39928 359 8 visible visible JJ 39928 359 9 stars star NNS 39928 359 10 by by IN 39928 359 11 the the DT 39928 359 12 above above JJ 39928 359 13 enumeration enumeration NN 39928 359 14 is be VBZ 39928 359 15 5333 5333 CD 39928 359 16 . . . 39928 360 1 But but CC 39928 360 2 this this DT 39928 360 3 includes include VBZ 39928 360 4 stars star NNS 39928 360 5 down down RB 39928 360 6 to to IN 39928 360 7 6.2 6.2 CD 39928 360 8 magnitude magnitude NN 39928 360 9 , , , 39928 360 10 while while IN 39928 360 11 it -PRON- PRP 39928 360 12 is be VBZ 39928 360 13 generally generally RB 39928 360 14 considered consider VBN 39928 360 15 that that IN 39928 360 16 magnitude magnitude NN 39928 360 17 6 6 CD 39928 360 18 marks mark NNS 39928 360 19 the the DT 39928 360 20 limit limit NN 39928 360 21 of of IN 39928 360 22 visibility visibility NN 39928 360 23 . . . 39928 361 1 On on IN 39928 361 2 a a DT 39928 361 3 re re NN 39928 361 4 - - NN 39928 361 5 examination examination NN 39928 361 6 of of IN 39928 361 7 all all PDT 39928 361 8 the the DT 39928 361 9 materials material NNS 39928 361 10 , , , 39928 361 11 the the DT 39928 361 12 Italian italian JJ 39928 361 13 astronomer astronomer NN 39928 361 14 Schiaparelli Schiaparelli NNP 39928 361 15 concludes conclude VBZ 39928 361 16 that that IN 39928 361 17 the the DT 39928 361 18 total total JJ 39928 361 19 number number NN 39928 361 20 of of IN 39928 361 21 stars star NNS 39928 361 22 down down RP 39928 361 23 to to IN 39928 361 24 the the DT 39928 361 25 sixth sixth JJ 39928 361 26 magnitude magnitude NN 39928 361 27 is be VBZ 39928 361 28 4303 4303 CD 39928 361 29 ; ; : 39928 361 30 and and CC 39928 361 31 they -PRON- PRP 39928 361 32 seem seem VBP 39928 361 33 to to TO 39928 361 34 be be VB 39928 361 35 about about IN 39928 361 36 equally equally RB 39928 361 37 divided divide VBN 39928 361 38 between between IN 39928 361 39 the the DT 39928 361 40 northern northern JJ 39928 361 41 and and CC 39928 361 42 southern southern JJ 39928 361 43 skies sky NNS 39928 361 44 . . . 39928 362 1 THE the DT 39928 362 2 MILKY MILKY NNP 39928 362 3 WAY WAY NNP 39928 362 4 But but CC 39928 362 5 besides besides IN 39928 362 6 the the DT 39928 362 7 stars star NNS 39928 362 8 themselves -PRON- PRP 39928 362 9 , , , 39928 362 10 a a DT 39928 362 11 most most RBS 39928 362 12 conspicuous conspicuous JJ 39928 362 13 object object NN 39928 362 14 both both CC 39928 362 15 in in IN 39928 362 16 the the DT 39928 362 17 northern northern JJ 39928 362 18 and and CC 39928 362 19 southern southern JJ 39928 362 20 hemisphere hemisphere NNP 39928 362 21 is be VBZ 39928 362 22 that that DT 39928 362 23 wonderful wonderful JJ 39928 362 24 irregular irregular JJ 39928 362 25 belt belt NN 39928 362 26 of of IN 39928 362 27 faintly faintly RB 39928 362 28 diffused diffuse VBN 39928 362 29 light light NN 39928 362 30 termed term VBD 39928 362 31 the the DT 39928 362 32 Milky Milky NNP 39928 362 33 Way Way NNP 39928 362 34 or or CC 39928 362 35 Galaxy Galaxy NNP 39928 362 36 . . . 39928 363 1 This this DT 39928 363 2 forms form VBZ 39928 363 3 a a DT 39928 363 4 magnificent magnificent JJ 39928 363 5 arch arch NN 39928 363 6 across across IN 39928 363 7 the the DT 39928 363 8 sky sky NN 39928 363 9 , , , 39928 363 10 best best RB 39928 363 11 seen see VBN 39928 363 12 in in IN 39928 363 13 the the DT 39928 363 14 autumn autumn NN 39928 363 15 months month NNS 39928 363 16 in in IN 39928 363 17 our -PRON- PRP$ 39928 363 18 latitude latitude NN 39928 363 19 . . . 39928 364 1 This this DT 39928 364 2 arch arch NN 39928 364 3 , , , 39928 364 4 while while IN 39928 364 5 following follow VBG 39928 364 6 the the DT 39928 364 7 general general JJ 39928 364 8 course course NN 39928 364 9 of of IN 39928 364 10 a a DT 39928 364 11 great great JJ 39928 364 12 circle circle NN 39928 364 13 round round IN 39928 364 14 the the DT 39928 364 15 heavens heavens NNPS 39928 364 16 , , , 39928 364 17 is be VBZ 39928 364 18 extremely extremely RB 39928 364 19 irregular irregular JJ 39928 364 20 in in IN 39928 364 21 detail detail NN 39928 364 22 , , , 39928 364 23 sometimes sometimes RB 39928 364 24 being be VBG 39928 364 25 single single JJ 39928 364 26 , , , 39928 364 27 sometimes sometimes RB 39928 364 28 double double JJ 39928 364 29 , , , 39928 364 30 sending send VBG 39928 364 31 off off RP 39928 364 32 occasional occasional JJ 39928 364 33 branches branch NNS 39928 364 34 or or CC 39928 364 35 offshoots offshoot NNS 39928 364 36 , , , 39928 364 37 and and CC 39928 364 38 also also RB 39928 364 39 containing contain VBG 39928 364 40 in in IN 39928 364 41 its -PRON- PRP$ 39928 364 42 very very JJ 39928 364 43 midst midst NN 39928 364 44 dark dark JJ 39928 364 45 rifts rift NNS 39928 364 46 , , , 39928 364 47 spots spot NNS 39928 364 48 , , , 39928 364 49 or or CC 39928 364 50 patches patch NNS 39928 364 51 , , , 39928 364 52 where where WRB 39928 364 53 the the DT 39928 364 54 black black JJ 39928 364 55 background background NN 39928 364 56 of of IN 39928 364 57 almost almost RB 39928 364 58 starless starless NN 39928 364 59 sky sky NN 39928 364 60 can can MD 39928 364 61 be be VB 39928 364 62 seen see VBN 39928 364 63 through through IN 39928 364 64 it -PRON- PRP 39928 364 65 . . . 39928 365 1 When when WRB 39928 365 2 examined examine VBN 39928 365 3 through through IN 39928 365 4 an an DT 39928 365 5 opera opera NN 39928 365 6 - - HYPH 39928 365 7 glass glass NN 39928 365 8 or or CC 39928 365 9 small small JJ 39928 365 10 telescope telescope NN 39928 365 11 quantities quantity NNS 39928 365 12 of of IN 39928 365 13 stars star NNS 39928 365 14 are be VBP 39928 365 15 seen see VBN 39928 365 16 on on IN 39928 365 17 the the DT 39928 365 18 luminous luminous JJ 39928 365 19 background background NN 39928 365 20 , , , 39928 365 21 and and CC 39928 365 22 with with IN 39928 365 23 every every DT 39928 365 24 increase increase NN 39928 365 25 in in IN 39928 365 26 the the DT 39928 365 27 size size NN 39928 365 28 and and CC 39928 365 29 power power NN 39928 365 30 of of IN 39928 365 31 the the DT 39928 365 32 telescope telescope NN 39928 365 33 more more RBR 39928 365 34 and and CC 39928 365 35 more more JJR 39928 365 36 stars star NNS 39928 365 37 become become VBP 39928 365 38 visible visible JJ 39928 365 39 , , , 39928 365 40 till till IN 39928 365 41 with with IN 39928 365 42 the the DT 39928 365 43 largest large JJS 39928 365 44 and and CC 39928 365 45 best good JJS 39928 365 46 modern modern JJ 39928 365 47 instruments instrument NNS 39928 365 48 the the DT 39928 365 49 whole whole NN 39928 365 50 of of IN 39928 365 51 the the DT 39928 365 52 Galaxy Galaxy NNP 39928 365 53 seems seem VBZ 39928 365 54 densely densely RB 39928 365 55 packed packed JJ 39928 365 56 with with IN 39928 365 57 them -PRON- PRP 39928 365 58 , , , 39928 365 59 though though IN 39928 365 60 still still RB 39928 365 61 full full JJ 39928 365 62 of of IN 39928 365 63 irregularities irregularity NNS 39928 365 64 , , , 39928 365 65 wavy wavy NNP 39928 365 66 streams stream NNS 39928 365 67 of of IN 39928 365 68 stars star NNS 39928 365 69 , , , 39928 365 70 and and CC 39928 365 71 dark dark JJ 39928 365 72 rifts rift NNS 39928 365 73 and and CC 39928 365 74 patches patch NNS 39928 365 75 , , , 39928 365 76 but but CC 39928 365 77 always always RB 39928 365 78 showing show VBG 39928 365 79 a a DT 39928 365 80 faint faint JJ 39928 365 81 nebulous nebulous JJ 39928 365 82 background background NN 39928 365 83 as as IN 39928 365 84 if if IN 39928 365 85 there there EX 39928 365 86 remained remain VBD 39928 365 87 other other JJ 39928 365 88 myriads myriad NNS 39928 365 89 of of IN 39928 365 90 stars star NNS 39928 365 91 which which WDT 39928 365 92 a a DT 39928 365 93 still still RB 39928 365 94 higher high JJR 39928 365 95 optical optical JJ 39928 365 96 power power NN 39928 365 97 would would MD 39928 365 98 reveal reveal VB 39928 365 99 . . . 39928 366 1 The the DT 39928 366 2 relations relation NNS 39928 366 3 of of IN 39928 366 4 this this DT 39928 366 5 great great JJ 39928 366 6 belt belt NN 39928 366 7 of of IN 39928 366 8 telescopic telescopic JJ 39928 366 9 stars star NNS 39928 366 10 to to IN 39928 366 11 the the DT 39928 366 12 rest rest NN 39928 366 13 of of IN 39928 366 14 the the DT 39928 366 15 star star NN 39928 366 16 - - HYPH 39928 366 17 system system NN 39928 366 18 have have VBP 39928 366 19 long long RB 39928 366 20 interested interested JJ 39928 366 21 astronomers astronomer NNS 39928 366 22 , , , 39928 366 23 and and CC 39928 366 24 many many JJ 39928 366 25 have have VBP 39928 366 26 attempted attempt VBN 39928 366 27 its -PRON- PRP$ 39928 366 28 solution solution NN 39928 366 29 . . . 39928 367 1 By by IN 39928 367 2 a a DT 39928 367 3 system system NN 39928 367 4 of of IN 39928 367 5 gauging gauging NN 39928 367 6 , , , 39928 367 7 that that DT 39928 367 8 is be VBZ 39928 367 9 counting count VBG 39928 367 10 all all PDT 39928 367 11 the the DT 39928 367 12 stars star NNS 39928 367 13 that that WDT 39928 367 14 passed pass VBD 39928 367 15 over over IN 39928 367 16 the the DT 39928 367 17 field field NN 39928 367 18 of of IN 39928 367 19 his -PRON- PRP$ 39928 367 20 telescope telescope NN 39928 367 21 in in IN 39928 367 22 a a DT 39928 367 23 certain certain JJ 39928 367 24 time time NN 39928 367 25 , , , 39928 367 26 Sir Sir NNP 39928 367 27 William William NNP 39928 367 28 Herschel Herschel NNP 39928 367 29 was be VBD 39928 367 30 the the DT 39928 367 31 first first JJ 39928 367 32 who who WP 39928 367 33 made make VBD 39928 367 34 a a DT 39928 367 35 systematic systematic JJ 39928 367 36 effort effort NN 39928 367 37 to to TO 39928 367 38 determine determine VB 39928 367 39 the the DT 39928 367 40 shape shape NN 39928 367 41 of of IN 39928 367 42 the the DT 39928 367 43 stellar stellar JJ 39928 367 44 universe universe NN 39928 367 45 . . . 39928 368 1 From from IN 39928 368 2 the the DT 39928 368 3 fact fact NN 39928 368 4 that that IN 39928 368 5 the the DT 39928 368 6 number number NN 39928 368 7 of of IN 39928 368 8 stars star NNS 39928 368 9 increased increase VBN 39928 368 10 rapidly rapidly RB 39928 368 11 as as IN 39928 368 12 the the DT 39928 368 13 Milky Milky NNP 39928 368 14 Way Way NNP 39928 368 15 was be VBD 39928 368 16 approached approach VBN 39928 368 17 from from IN 39928 368 18 whatever whatever WDT 39928 368 19 direction direction NN 39928 368 20 , , , 39928 368 21 while while IN 39928 368 22 in in IN 39928 368 23 the the DT 39928 368 24 Galaxy Galaxy NNP 39928 368 25 itself -PRON- PRP 39928 368 26 the the DT 39928 368 27 numbers number NNS 39928 368 28 visible visible JJ 39928 368 29 were be VBD 39928 368 30 at at IN 39928 368 31 once once RB 39928 368 32 more more RBR 39928 368 33 than than IN 39928 368 34 doubled double VBN 39928 368 35 , , , 39928 368 36 he -PRON- PRP 39928 368 37 formed form VBD 39928 368 38 the the DT 39928 368 39 idea idea NN 39928 368 40 that that IN 39928 368 41 the the DT 39928 368 42 shape shape NN 39928 368 43 of of IN 39928 368 44 the the DT 39928 368 45 entire entire JJ 39928 368 46 system system NN 39928 368 47 must must MD 39928 368 48 be be VB 39928 368 49 that that DT 39928 368 50 of of IN 39928 368 51 a a DT 39928 368 52 highly highly RB 39928 368 53 compressed compress VBN 39928 368 54 very very RB 39928 368 55 broad broad JJ 39928 368 56 mass mass NN 39928 368 57 or or CC 39928 368 58 ring ring NN 39928 368 59 rather rather RB 39928 368 60 less less RBR 39928 368 61 dense dense JJ 39928 368 62 towards towards IN 39928 368 63 the the DT 39928 368 64 centre centre NN 39928 368 65 where where WRB 39928 368 66 our -PRON- PRP$ 39928 368 67 sun sun NN 39928 368 68 was be VBD 39928 368 69 situated situate VBN 39928 368 70 . . . 39928 369 1 Roughly roughly RB 39928 369 2 speaking speak VBG 39928 369 3 , , , 39928 369 4 the the DT 39928 369 5 form form NN 39928 369 6 was be VBD 39928 369 7 likened liken VBN 39928 369 8 to to IN 39928 369 9 a a DT 39928 369 10 flat flat JJ 39928 369 11 disc disc NN 39928 369 12 or or CC 39928 369 13 grindstone grindstone NN 39928 369 14 , , , 39928 369 15 but but CC 39928 369 16 of of IN 39928 369 17 irregular irregular JJ 39928 369 18 thickness thickness NN 39928 369 19 , , , 39928 369 20 and and CC 39928 369 21 split split VBD 39928 369 22 in in IN 39928 369 23 two two CD 39928 369 24 on on IN 39928 369 25 one one CD 39928 369 26 side side NN 39928 369 27 where where WRB 39928 369 28 it -PRON- PRP 39928 369 29 appears appear VBZ 39928 369 30 to to TO 39928 369 31 be be VB 39928 369 32 double double JJ 39928 369 33 . . . 39928 370 1 The the DT 39928 370 2 immense immense JJ 39928 370 3 quantity quantity NN 39928 370 4 of of IN 39928 370 5 the the DT 39928 370 6 stars star NNS 39928 370 7 which which WDT 39928 370 8 formed form VBD 39928 370 9 it -PRON- PRP 39928 370 10 was be VBD 39928 370 11 supposed suppose VBN 39928 370 12 to to TO 39928 370 13 be be VB 39928 370 14 due due IN 39928 370 15 to to IN 39928 370 16 the the DT 39928 370 17 fact fact NN 39928 370 18 that that IN 39928 370 19 we -PRON- PRP 39928 370 20 looked look VBD 39928 370 21 at at IN 39928 370 22 it -PRON- PRP 39928 370 23 edgewise edgewise VB 39928 370 24 through through IN 39928 370 25 an an DT 39928 370 26 immense immense JJ 39928 370 27 depth depth NN 39928 370 28 of of IN 39928 370 29 stars star NNS 39928 370 30 ; ; : 39928 370 31 while while IN 39928 370 32 at at IN 39928 370 33 right right JJ 39928 370 34 angles angle NNS 39928 370 35 to to IN 39928 370 36 its -PRON- PRP$ 39928 370 37 direction direction NN 39928 370 38 when when WRB 39928 370 39 looking look VBG 39928 370 40 towards towards IN 39928 370 41 what what WP 39928 370 42 is be VBZ 39928 370 43 termed term VBN 39928 370 44 the the DT 39928 370 45 pole pole NN 39928 370 46 of of IN 39928 370 47 the the DT 39928 370 48 Galaxy Galaxy NNP 39928 370 49 , , , 39928 370 50 and and CC 39928 370 51 also also RB 39928 370 52 in in IN 39928 370 53 a a DT 39928 370 54 less less JJR 39928 370 55 degree degree NN 39928 370 56 when when WRB 39928 370 57 looking look VBG 39928 370 58 obliquely obliquely RB 39928 370 59 , , , 39928 370 60 we -PRON- PRP 39928 370 61 see see VBP 39928 370 62 out out RP 39928 370 63 into into IN 39928 370 64 space space NN 39928 370 65 through through IN 39928 370 66 a a DT 39928 370 67 much much RB 39928 370 68 thinner thin JJR 39928 370 69 stratum stratum NN 39928 370 70 of of IN 39928 370 71 stars star NNS 39928 370 72 , , , 39928 370 73 which which WDT 39928 370 74 thus thus RB 39928 370 75 seem seem VBP 39928 370 76 on on IN 39928 370 77 the the DT 39928 370 78 average average NN 39928 370 79 to to TO 39928 370 80 be be VB 39928 370 81 very very RB 39928 370 82 much much RB 39928 370 83 farther far RBR 39928 370 84 apart apart RB 39928 370 85 . . . 39928 371 1 But but CC 39928 371 2 , , , 39928 371 3 in in IN 39928 371 4 the the DT 39928 371 5 latter latter JJ 39928 371 6 part part NN 39928 371 7 of of IN 39928 371 8 his -PRON- PRP$ 39928 371 9 life life NN 39928 371 10 , , , 39928 371 11 Sir Sir NNP 39928 371 12 William William NNP 39928 371 13 Herschel Herschel NNP 39928 371 14 realised realise VBD 39928 371 15 that that IN 39928 371 16 this this DT 39928 371 17 was be VBD 39928 371 18 not not RB 39928 371 19 the the DT 39928 371 20 true true JJ 39928 371 21 explanation explanation NN 39928 371 22 of of IN 39928 371 23 the the DT 39928 371 24 features feature NNS 39928 371 25 presented present VBN 39928 371 26 by by IN 39928 371 27 the the DT 39928 371 28 Galaxy Galaxy NNP 39928 371 29 . . . 39928 372 1 The the DT 39928 372 2 brilliant brilliant JJ 39928 372 3 spots spot NNS 39928 372 4 and and CC 39928 372 5 patches patch NNS 39928 372 6 in in IN 39928 372 7 it -PRON- PRP 39928 372 8 , , , 39928 372 9 the the DT 39928 372 10 dark dark JJ 39928 372 11 rifts rift NNS 39928 372 12 and and CC 39928 372 13 openings opening NNS 39928 372 14 , , , 39928 372 15 the the DT 39928 372 16 narrow narrow JJ 39928 372 17 streams stream NNS 39928 372 18 of of IN 39928 372 19 light light NN 39928 372 20 often often RB 39928 372 21 bounded bound VBN 39928 372 22 by by IN 39928 372 23 equally equally RB 39928 372 24 narrow narrow JJ 39928 372 25 streams stream NNS 39928 372 26 or or CC 39928 372 27 rifts rift NNS 39928 372 28 of of IN 39928 372 29 darkness darkness NN 39928 372 30 , , , 39928 372 31 render render VB 39928 372 32 it -PRON- PRP 39928 372 33 quite quite RB 39928 372 34 impossible impossible JJ 39928 372 35 to to TO 39928 372 36 conceive conceive VB 39928 372 37 that that IN 39928 372 38 this this DT 39928 372 39 complex complex JJ 39928 372 40 luminous luminous JJ 39928 372 41 ring ring NN 39928 372 42 has have VBZ 39928 372 43 the the DT 39928 372 44 form form NN 39928 372 45 of of IN 39928 372 46 a a DT 39928 372 47 compressed compress VBN 39928 372 48 disc disc NN 39928 372 49 extending extending NN 39928 372 50 in in IN 39928 372 51 the the DT 39928 372 52 direction direction NN 39928 372 53 in in IN 39928 372 54 which which WDT 39928 372 55 we -PRON- PRP 39928 372 56 see see VBP 39928 372 57 it -PRON- PRP 39928 372 58 to to IN 39928 372 59 a a DT 39928 372 60 distance distance NN 39928 372 61 many many JJ 39928 372 62 times time NNS 39928 372 63 greater great JJR 39928 372 64 than than IN 39928 372 65 its -PRON- PRP$ 39928 372 66 thickness thickness NN 39928 372 67 . . . 39928 373 1 In in IN 39928 373 2 one one CD 39928 373 3 very very RB 39928 373 4 luminous luminous JJ 39928 373 5 cluster cluster NN 39928 373 6 Herschel Herschel NNP 39928 373 7 thought think VBD 39928 373 8 that that IN 39928 373 9 his -PRON- PRP$ 39928 373 10 telescope telescope NN 39928 373 11 had have VBD 39928 373 12 penetrated penetrate VBN 39928 373 13 to to IN 39928 373 14 regions region NNS 39928 373 15 twenty twenty CD 39928 373 16 times time NNS 39928 373 17 as as RB 39928 373 18 far far RB 39928 373 19 off off RB 39928 373 20 as as IN 39928 373 21 the the DT 39928 373 22 more more RBR 39928 373 23 brilliant brilliant JJ 39928 373 24 stars star NNS 39928 373 25 forming form VBG 39928 373 26 the the DT 39928 373 27 nearer nearer JJ 39928 373 28 portions portion NNS 39928 373 29 of of IN 39928 373 30 the the DT 39928 373 31 same same JJ 39928 373 32 object object NN 39928 373 33 . . . 39928 374 1 Now now RB 39928 374 2 , , , 39928 374 3 in in IN 39928 374 4 the the DT 39928 374 5 case case NN 39928 374 6 of of IN 39928 374 7 the the DT 39928 374 8 Magellanic magellanic JJ 39928 374 9 clouds cloud NNS 39928 374 10 , , , 39928 374 11 which which WDT 39928 374 12 are be VBP 39928 374 13 two two CD 39928 374 14 roundish roundish JJ 39928 374 15 nebular nebular JJ 39928 374 16 patches patch NNS 39928 374 17 of of IN 39928 374 18 large large JJ 39928 374 19 size size NN 39928 374 20 some some DT 39928 374 21 distance distance NN 39928 374 22 from from IN 39928 374 23 the the DT 39928 374 24 Milky Milky NNP 39928 374 25 Way Way NNP 39928 374 26 in in IN 39928 374 27 the the DT 39928 374 28 Southern Southern NNP 39928 374 29 Hemisphere Hemisphere NNP 39928 374 30 and and CC 39928 374 31 looking look VBG 39928 374 32 like like IN 39928 374 33 detached detached JJ 39928 374 34 portions portion NNS 39928 374 35 of of IN 39928 374 36 it -PRON- PRP 39928 374 37 , , , 39928 374 38 Sir Sir NNP 39928 374 39 John John NNP 39928 374 40 Herschel Herschel NNP 39928 374 41 himself -PRON- PRP 39928 374 42 has have VBZ 39928 374 43 shown show VBN 39928 374 44 that that IN 39928 374 45 any any DT 39928 374 46 such such JJ 39928 374 47 interpretation interpretation NN 39928 374 48 of of IN 39928 374 49 its -PRON- PRP$ 39928 374 50 form form NN 39928 374 51 is be VBZ 39928 374 52 impossible impossible JJ 39928 374 53 ; ; : 39928 374 54 because because IN 39928 374 55 it -PRON- PRP 39928 374 56 requires require VBZ 39928 374 57 us -PRON- PRP 39928 374 58 to to TO 39928 374 59 suppose suppose VB 39928 374 60 that that IN 39928 374 61 in in IN 39928 374 62 both both PDT 39928 374 63 these these DT 39928 374 64 cases case NNS 39928 374 65 we -PRON- PRP 39928 374 66 see see VBP 39928 374 67 , , , 39928 374 68 not not RB 39928 374 69 rounded rounded JJ 39928 374 70 masses masse NNS 39928 374 71 of of IN 39928 374 72 a a DT 39928 374 73 roughly roughly RB 39928 374 74 globular globular JJ 39928 374 75 shape shape NN 39928 374 76 , , , 39928 374 77 but but CC 39928 374 78 immensely immensely RB 39928 374 79 long long JJ 39928 374 80 cones cone NNS 39928 374 81 or or CC 39928 374 82 cylinders cylinder NNS 39928 374 83 , , , 39928 374 84 placed place VBN 39928 374 85 in in IN 39928 374 86 such such PDT 39928 374 87 a a DT 39928 374 88 direction direction NN 39928 374 89 that that IN 39928 374 90 we -PRON- PRP 39928 374 91 see see VBP 39928 374 92 only only RB 39928 374 93 the the DT 39928 374 94 ends end NNS 39928 374 95 of of IN 39928 374 96 them -PRON- PRP 39928 374 97 . . . 39928 375 1 He -PRON- PRP 39928 375 2 remarks remark VBZ 39928 375 3 that that IN 39928 375 4 one one CD 39928 375 5 such such JJ 39928 375 6 object object NN 39928 375 7 so so RB 39928 375 8 situated situated JJ 39928 375 9 would would MD 39928 375 10 be be VB 39928 375 11 an an DT 39928 375 12 extraordinary extraordinary JJ 39928 375 13 coincidence coincidence NN 39928 375 14 , , , 39928 375 15 but but CC 39928 375 16 that that IN 39928 375 17 there there EX 39928 375 18 should should MD 39928 375 19 be be VB 39928 375 20 two two CD 39928 375 21 or or CC 39928 375 22 many many JJ 39928 375 23 such such JJ 39928 375 24 is be VBZ 39928 375 25 altogether altogether RB 39928 375 26 out out IN 39928 375 27 of of IN 39928 375 28 the the DT 39928 375 29 question question NN 39928 375 30 . . . 39928 376 1 But but CC 39928 376 2 in in IN 39928 376 3 the the DT 39928 376 4 Milky Milky NNP 39928 376 5 Way Way NNP 39928 376 6 there there EX 39928 376 7 are be VBP 39928 376 8 hundreds hundred NNS 39928 376 9 or or CC 39928 376 10 even even RB 39928 376 11 thousands thousand NNS 39928 376 12 of of IN 39928 376 13 such such JJ 39928 376 14 spots spot NNS 39928 376 15 or or CC 39928 376 16 masses masse NNS 39928 376 17 of of IN 39928 376 18 exceptional exceptional JJ 39928 376 19 brilliancy brilliancy NN 39928 376 20 or or CC 39928 376 21 exceptional exceptional JJ 39928 376 22 darkness darkness NN 39928 376 23 ; ; : 39928 376 24 and and CC 39928 376 25 , , , 39928 376 26 if if IN 39928 376 27 the the DT 39928 376 28 form form NN 39928 376 29 of of IN 39928 376 30 the the DT 39928 376 31 Galaxy Galaxy NNP 39928 376 32 is be VBZ 39928 376 33 that that DT 39928 376 34 of of IN 39928 376 35 a a DT 39928 376 36 disc disc NN 39928 376 37 many many JJ 39928 376 38 times time NNS 39928 376 39 broader broad JJR 39928 376 40 than than IN 39928 376 41 thick thick JJ 39928 376 42 , , , 39928 376 43 and and CC 39928 376 44 which which WDT 39928 376 45 we -PRON- PRP 39928 376 46 see see VBP 39928 376 47 edgewise edgewise NN 39928 376 48 , , , 39928 376 49 then then RB 39928 376 50 every every DT 39928 376 51 one one CD 39928 376 52 of of IN 39928 376 53 these these DT 39928 376 54 patches patch NNS 39928 376 55 and and CC 39928 376 56 clusters cluster NNS 39928 376 57 , , , 39928 376 58 and and CC 39928 376 59 all all PDT 39928 376 60 the the DT 39928 376 61 narrow narrow JJ 39928 376 62 winding winding NN 39928 376 63 streams stream NNS 39928 376 64 of of IN 39928 376 65 bright bright JJ 39928 376 66 light light JJ 39928 376 67 or or CC 39928 376 68 intense intense JJ 39928 376 69 blackness blackness NN 39928 376 70 , , , 39928 376 71 must must MD 39928 376 72 be be VB 39928 376 73 really really RB 39928 376 74 excessively excessively RB 39928 376 75 long long JJ 39928 376 76 cylinders cylinder NNS 39928 376 77 , , , 39928 376 78 or or CC 39928 376 79 tunnels tunnel NNS 39928 376 80 , , , 39928 376 81 or or CC 39928 376 82 deep deep JJ 39928 376 83 curving curving NN 39928 376 84 laminæ laminæ NN 39928 376 85 , , , 39928 376 86 or or CC 39928 376 87 narrow narrow JJ 39928 376 88 fissures fissure NNS 39928 376 89 . . . 39928 377 1 And and CC 39928 377 2 every every DT 39928 377 3 one one CD 39928 377 4 of of IN 39928 377 5 these these DT 39928 377 6 , , , 39928 377 7 which which WDT 39928 377 8 are be VBP 39928 377 9 to to TO 39928 377 10 be be VB 39928 377 11 found find VBN 39928 377 12 in in IN 39928 377 13 every every DT 39928 377 14 part part NN 39928 377 15 of of IN 39928 377 16 this this DT 39928 377 17 vast vast JJ 39928 377 18 circle circle NN 39928 377 19 of of IN 39928 377 20 luminosity luminosity NN 39928 377 21 , , , 39928 377 22 must must MD 39928 377 23 be be VB 39928 377 24 so so RB 39928 377 25 arranged arrange VBN 39928 377 26 as as IN 39928 377 27 to to TO 39928 377 28 be be VB 39928 377 29 exactly exactly RB 39928 377 30 turned turn VBN 39928 377 31 towards towards IN 39928 377 32 our -PRON- PRP$ 39928 377 33 sun sun NN 39928 377 34 . . . 39928 378 1 The the DT 39928 378 2 weight weight NN 39928 378 3 of of IN 39928 378 4 this this DT 39928 378 5 argument argument NN 39928 378 6 , , , 39928 378 7 which which WDT 39928 378 8 has have VBZ 39928 378 9 been be VBN 39928 378 10 most most RBS 39928 378 11 forcibly forcibly RB 39928 378 12 and and CC 39928 378 13 clearly clearly RB 39928 378 14 set set VBN 39928 378 15 forth forth RP 39928 378 16 by by IN 39928 378 17 the the DT 39928 378 18 late late JJ 39928 378 19 Mr. Mr. NNP 39928 378 20 R.A. R.A. NNP 39928 378 21 Proctor Proctor NNP 39928 378 22 , , , 39928 378 23 in in IN 39928 378 24 his -PRON- PRP$ 39928 378 25 very very RB 39928 378 26 instructive instructive JJ 39928 378 27 volume volume NN 39928 378 28 _ _ NNP 39928 378 29 Our -PRON- PRP$ 39928 378 30 Place Place NNP 39928 378 31 among among IN 39928 378 32 Infinities Infinities NNPS 39928 378 33 _ _ NNP 39928 378 34 , , , 39928 378 35 is be VBZ 39928 378 36 now now RB 39928 378 37 generally generally RB 39928 378 38 admitted admit VBN 39928 378 39 by by IN 39928 378 40 astronomers astronomer NNS 39928 378 41 , , , 39928 378 42 and and CC 39928 378 43 the the DT 39928 378 44 natural natural JJ 39928 378 45 conclusion conclusion NN 39928 378 46 is be VBZ 39928 378 47 that that IN 39928 378 48 the the DT 39928 378 49 form form NN 39928 378 50 of of IN 39928 378 51 the the DT 39928 378 52 Milky Milky NNP 39928 378 53 Way Way NNP 39928 378 54 is be VBZ 39928 378 55 that that DT 39928 378 56 of of IN 39928 378 57 a a DT 39928 378 58 vast vast JJ 39928 378 59 irregular irregular JJ 39928 378 60 ring ring NN 39928 378 61 , , , 39928 378 62 of of IN 39928 378 63 which which WDT 39928 378 64 the the DT 39928 378 65 section section NN 39928 378 66 at at IN 39928 378 67 any any DT 39928 378 68 part part NN 39928 378 69 is be VBZ 39928 378 70 , , , 39928 378 71 roughly roughly RB 39928 378 72 speaking speak VBG 39928 378 73 , , , 39928 378 74 circular circular JJ 39928 378 75 ; ; : 39928 378 76 while while IN 39928 378 77 the the DT 39928 378 78 many many JJ 39928 378 79 narrow narrow JJ 39928 378 80 rifts rift NNS 39928 378 81 or or CC 39928 378 82 lanes lane NNS 39928 378 83 or or CC 39928 378 84 openings opening NNS 39928 378 85 where where WRB 39928 378 86 we -PRON- PRP 39928 378 87 seem seem VBP 39928 378 88 to to TO 39928 378 89 be be VB 39928 378 90 able able JJ 39928 378 91 to to TO 39928 378 92 see see VB 39928 378 93 completely completely RB 39928 378 94 through through IN 39928 378 95 it -PRON- PRP 39928 378 96 to to IN 39928 378 97 the the DT 39928 378 98 darkness darkness NN 39928 378 99 of of IN 39928 378 100 outer outer JJ 39928 378 101 space space NN 39928 378 102 beyond beyond IN 39928 378 103 , , , 39928 378 104 render render VB 39928 378 105 it -PRON- PRP 39928 378 106 probable probable JJ 39928 378 107 that that IN 39928 378 108 in in IN 39928 378 109 those those DT 39928 378 110 directions direction NNS 39928 378 111 its -PRON- PRP$ 39928 378 112 thickness thickness NN 39928 378 113 is be VBZ 39928 378 114 less less RBR 39928 378 115 instead instead RB 39928 378 116 of of IN 39928 378 117 greater great JJR 39928 378 118 than than IN 39928 378 119 its -PRON- PRP$ 39928 378 120 apparent apparent JJ 39928 378 121 width width NN 39928 378 122 , , , 39928 378 123 that that RB 39928 378 124 is is RB 39928 378 125 , , , 39928 378 126 that that IN 39928 378 127 we -PRON- PRP 39928 378 128 see see VBP 39928 378 129 the the DT 39928 378 130 broader broad JJR 39928 378 131 side side NN 39928 378 132 rather rather RB 39928 378 133 than than IN 39928 378 134 the the DT 39928 378 135 narrow narrow JJ 39928 378 136 edge edge NN 39928 378 137 of of IN 39928 378 138 it -PRON- PRP 39928 378 139 . . . 39928 379 1 Before before IN 39928 379 2 entering enter VBG 39928 379 3 on on IN 39928 379 4 the the DT 39928 379 5 consideration consideration NN 39928 379 6 of of IN 39928 379 7 the the DT 39928 379 8 relations relation NNS 39928 379 9 which which WDT 39928 379 10 the the DT 39928 379 11 bulk bulk NN 39928 379 12 of of IN 39928 379 13 the the DT 39928 379 14 stars star NNS 39928 379 15 we -PRON- PRP 39928 379 16 see see VBP 39928 379 17 scattered scatter VBN 39928 379 18 over over IN 39928 379 19 the the DT 39928 379 20 entire entire JJ 39928 379 21 vault vault NN 39928 379 22 of of IN 39928 379 23 heaven heaven NNP 39928 379 24 bear bear VB 39928 379 25 to to IN 39928 379 26 this this DT 39928 379 27 great great JJ 39928 379 28 belt belt NN 39928 379 29 of of IN 39928 379 30 telescopic telescopic JJ 39928 379 31 stars star NNS 39928 379 32 , , , 39928 379 33 it -PRON- PRP 39928 379 34 will will MD 39928 379 35 be be VB 39928 379 36 advisable advisable JJ 39928 379 37 to to TO 39928 379 38 give give VB 39928 379 39 a a DT 39928 379 40 somewhat somewhat RB 39928 379 41 full full JJ 39928 379 42 description description NN 39928 379 43 of of IN 39928 379 44 the the DT 39928 379 45 Galaxy Galaxy NNP 39928 379 46 itself -PRON- PRP 39928 379 47 , , , 39928 379 48 both both CC 39928 379 49 because because IN 39928 379 50 it -PRON- PRP 39928 379 51 is be VBZ 39928 379 52 not not RB 39928 379 53 often often RB 39928 379 54 delineated delineate VBN 39928 379 55 on on IN 39928 379 56 star star NN 39928 379 57 - - HYPH 39928 379 58 maps map NNS 39928 379 59 with with IN 39928 379 60 sufficient sufficient JJ 39928 379 61 accuracy accuracy NN 39928 379 62 , , , 39928 379 63 or or CC 39928 379 64 so so IN 39928 379 65 as as IN 39928 379 66 to to TO 39928 379 67 show show VB 39928 379 68 its -PRON- PRP$ 39928 379 69 wonderful wonderful JJ 39928 379 70 intricacies intricacy NNS 39928 379 71 of of IN 39928 379 72 structure structure NN 39928 379 73 , , , 39928 379 74 and and CC 39928 379 75 also also RB 39928 379 76 because because IN 39928 379 77 it -PRON- PRP 39928 379 78 constitutes constitute VBZ 39928 379 79 the the DT 39928 379 80 fundamental fundamental JJ 39928 379 81 phenomenon phenomenon NN 39928 379 82 upon upon IN 39928 379 83 which which WDT 39928 379 84 the the DT 39928 379 85 argument argument NN 39928 379 86 set set VBD 39928 379 87 forth forth RP 39928 379 88 in in IN 39928 379 89 this this DT 39928 379 90 volume volume NN 39928 379 91 primarily primarily RB 39928 379 92 rests rest VBZ 39928 379 93 . . . 39928 380 1 For for IN 39928 380 2 this this DT 39928 380 3 purpose purpose NN 39928 380 4 I -PRON- PRP 39928 380 5 shall shall MD 39928 380 6 use use VB 39928 380 7 the the DT 39928 380 8 description description NN 39928 380 9 of of IN 39928 380 10 it -PRON- PRP 39928 380 11 given give VBN 39928 380 12 by by IN 39928 380 13 Sir Sir NNP 39928 380 14 John John NNP 39928 380 15 Herschel Herschel NNP 39928 380 16 in in IN 39928 380 17 his -PRON- PRP$ 39928 380 18 _ _ NNP 39928 380 19 Outlines Outlines NNP 39928 380 20 of of IN 39928 380 21 Astronomy Astronomy NNP 39928 380 22 _ _ NNP 39928 380 23 , , , 39928 380 24 both both CC 39928 380 25 because because IN 39928 380 26 he -PRON- PRP 39928 380 27 , , , 39928 380 28 of of IN 39928 380 29 all all PDT 39928 380 30 the the DT 39928 380 31 astronomers astronomer NNS 39928 380 32 of of IN 39928 380 33 the the DT 39928 380 34 last last JJ 39928 380 35 century century NN 39928 380 36 , , , 39928 380 37 had have VBD 39928 380 38 studied study VBN 39928 380 39 it -PRON- PRP 39928 380 40 most most RBS 39928 380 41 thoroughly thoroughly RB 39928 380 42 , , , 39928 380 43 in in IN 39928 380 44 the the DT 39928 380 45 northern northern JJ 39928 380 46 and and CC 39928 380 47 in in IN 39928 380 48 the the DT 39928 380 49 southern southern JJ 39928 380 50 hemispheres hemisphere NNS 39928 380 51 , , , 39928 380 52 by by IN 39928 380 53 eye eye NN 39928 380 54 - - HYPH 39928 380 55 observation observation NN 39928 380 56 and and CC 39928 380 57 with with IN 39928 380 58 the the DT 39928 380 59 aid aid NN 39928 380 60 of of IN 39928 380 61 telescopes telescope NNS 39928 380 62 of of IN 39928 380 63 great great JJ 39928 380 64 power power NN 39928 380 65 and and CC 39928 380 66 admirable admirable JJ 39928 380 67 quality quality NN 39928 380 68 ; ; : 39928 380 69 and and CC 39928 380 70 also also RB 39928 380 71 because because IN 39928 380 72 , , , 39928 380 73 amid amid IN 39928 380 74 the the DT 39928 380 75 throng throng NN 39928 380 76 of of IN 39928 380 77 modern modern JJ 39928 380 78 works work NNS 39928 380 79 and and CC 39928 380 80 the the DT 39928 380 81 exciting exciting JJ 39928 380 82 novelties novelty NNS 39928 380 83 of of IN 39928 380 84 the the DT 39928 380 85 last last JJ 39928 380 86 thirty thirty CD 39928 380 87 years year NNS 39928 380 88 , , , 39928 380 89 his -PRON- PRP$ 39928 380 90 instructive instructive JJ 39928 380 91 volume volume NN 39928 380 92 is be VBZ 39928 380 93 , , , 39928 380 94 comparatively comparatively RB 39928 380 95 speaking speak VBG 39928 380 96 , , , 39928 380 97 very very RB 39928 380 98 little little RB 39928 380 99 known known JJ 39928 380 100 . . . 39928 381 1 This this DT 39928 381 2 precise precise JJ 39928 381 3 and and CC 39928 381 4 careful careful JJ 39928 381 5 description description NN 39928 381 6 will will MD 39928 381 7 also also RB 39928 381 8 be be VB 39928 381 9 of of IN 39928 381 10 service service NN 39928 381 11 to to IN 39928 381 12 any any DT 39928 381 13 of of IN 39928 381 14 my -PRON- PRP$ 39928 381 15 readers reader NNS 39928 381 16 who who WP 39928 381 17 may may MD 39928 381 18 wish wish VB 39928 381 19 to to TO 39928 381 20 form form VB 39928 381 21 a a DT 39928 381 22 closer close JJR 39928 381 23 personal personal JJ 39928 381 24 acquaintance acquaintance NN 39928 381 25 with with IN 39928 381 26 this this DT 39928 381 27 magnificent magnificent JJ 39928 381 28 and and CC 39928 381 29 intensely intensely RB 39928 381 30 interesting interesting JJ 39928 381 31 object object NN 39928 381 32 , , , 39928 381 33 by by IN 39928 381 34 examining examine VBG 39928 381 35 its -PRON- PRP$ 39928 381 36 peculiarities peculiarity NNS 39928 381 37 of of IN 39928 381 38 form form NN 39928 381 39 and and CC 39928 381 40 beauties beauty NNS 39928 381 41 of of IN 39928 381 42 structure structure NN 39928 381 43 either either CC 39928 381 44 with with IN 39928 381 45 the the DT 39928 381 46 naked naked JJ 39928 381 47 eye eye NN 39928 381 48 , , , 39928 381 49 or or CC 39928 381 50 with with IN 39928 381 51 the the DT 39928 381 52 aid aid NN 39928 381 53 of of IN 39928 381 54 a a DT 39928 381 55 good good JJ 39928 381 56 opera opera NN 39928 381 57 - - HYPH 39928 381 58 glass glass NN 39928 381 59 , , , 39928 381 60 or or CC 39928 381 61 with with IN 39928 381 62 a a DT 39928 381 63 small small JJ 39928 381 64 telescope telescope NN 39928 381 65 of of IN 39928 381 66 good good JJ 39928 381 67 defining defining JJ 39928 381 68 power power NN 39928 381 69 . . . 39928 382 1 A a DT 39928 382 2 DESCRIPTION description NN 39928 382 3 OF of IN 39928 382 4 THE the DT 39928 382 5 MILKY MILKY NNP 39928 382 6 WAY WAY NNP 39928 382 7 Sir Sir NNP 39928 382 8 John John NNP 39928 382 9 Herschel Herschel NNP 39928 382 10 's 's POS 39928 382 11 description description NN 39928 382 12 is be VBZ 39928 382 13 as as RB 39928 382 14 follows:--'The follows:--'the RB 39928 382 15 course course NN 39928 382 16 of of IN 39928 382 17 the the DT 39928 382 18 Milky Milky NNP 39928 382 19 Way Way NNP 39928 382 20 as as IN 39928 382 21 traced trace VBN 39928 382 22 through through IN 39928 382 23 the the DT 39928 382 24 heavens heaven NNS 39928 382 25 by by IN 39928 382 26 the the DT 39928 382 27 unaided unaided JJ 39928 382 28 eye eye NN 39928 382 29 , , , 39928 382 30 neglecting neglect VBG 39928 382 31 occasional occasional JJ 39928 382 32 deviations deviation NNS 39928 382 33 and and CC 39928 382 34 following follow VBG 39928 382 35 the the DT 39928 382 36 line line NN 39928 382 37 of of IN 39928 382 38 its -PRON- PRP$ 39928 382 39 greatest great JJS 39928 382 40 brightness brightness NN 39928 382 41 as as RB 39928 382 42 well well RB 39928 382 43 as as IN 39928 382 44 its -PRON- PRP$ 39928 382 45 varying varying NN 39928 382 46 breadth breadth NN 39928 382 47 and and CC 39928 382 48 intensity intensity NN 39928 382 49 will will MD 39928 382 50 permit permit VB 39928 382 51 , , , 39928 382 52 conforms conform VBZ 39928 382 53 , , , 39928 382 54 as as RB 39928 382 55 nearly nearly RB 39928 382 56 as as IN 39928 382 57 the the DT 39928 382 58 indefiniteness indefiniteness NN 39928 382 59 of of IN 39928 382 60 its -PRON- PRP$ 39928 382 61 boundary boundary NN 39928 382 62 will will MD 39928 382 63 allow allow VB 39928 382 64 it -PRON- PRP 39928 382 65 to to TO 39928 382 66 be be VB 39928 382 67 fixed fix VBN 39928 382 68 , , , 39928 382 69 to to IN 39928 382 70 that that DT 39928 382 71 of of IN 39928 382 72 a a DT 39928 382 73 great great JJ 39928 382 74 circle circle NN 39928 382 75 inclined incline VBN 39928 382 76 at at IN 39928 382 77 an an DT 39928 382 78 angle angle NN 39928 382 79 of of IN 39928 382 80 about about RB 39928 382 81 63 63 CD 39928 382 82 ° ° NNS 39928 382 83 to to IN 39928 382 84 the the DT 39928 382 85 equinoctial equinoctial NN 39928 382 86 , , , 39928 382 87 and and CC 39928 382 88 cutting cut VBG 39928 382 89 that that DT 39928 382 90 circle circle NN 39928 382 91 in in IN 39928 382 92 Right Right NNP 39928 382 93 Ascension Ascension NNP 39928 382 94 6h 6h NNP 39928 382 95 . . . 39928 383 1 47 47 CD 39928 383 2 m m NN 39928 383 3 . . . 39928 384 1 and and CC 39928 384 2 18h 18h NNS 39928 384 3 . . . 39928 385 1 47 47 CD 39928 385 2 m m NNP 39928 385 3 . . NNP 39928 385 4 , , , 39928 385 5 so so IN 39928 385 6 that that IN 39928 385 7 its -PRON- PRP$ 39928 385 8 northern northern JJ 39928 385 9 and and CC 39928 385 10 southern southern JJ 39928 385 11 poles pole NNS 39928 385 12 respectively respectively RB 39928 385 13 are be VBP 39928 385 14 situated situate VBN 39928 385 15 in in IN 39928 385 16 Right Right NNP 39928 385 17 Ascension Ascension NNP 39928 385 18 12h 12h NNPS 39928 385 19 . . . 39928 386 1 47 47 CD 39928 386 2 m m NN 39928 386 3 . . NNP 39928 386 4 , , , 39928 386 5 North North NNP 39928 386 6 Polar Polar NNP 39928 386 7 Distance Distance NNP 39928 386 8 63 63 CD 39928 386 9 ° ° NNS 39928 386 10 , , , 39928 386 11 and and CC 39928 386 12 R.A. R.A. NNP 39928 386 13 0h 0h NNP 39928 386 14 . . . 39928 387 1 47 47 CD 39928 387 2 m m NNP 39928 387 3 . . NNP 39928 387 4 , , , 39928 387 5 NPD NPD NNP 39928 387 6 . . . 39928 388 1 117 117 CD 39928 388 2 ° ° NNS 39928 388 3 . . . 39928 389 1 Throughout throughout IN 39928 389 2 the the DT 39928 389 3 region region NN 39928 389 4 where where WRB 39928 389 5 it -PRON- PRP 39928 389 6 is be VBZ 39928 389 7 so so RB 39928 389 8 remarkably remarkably RB 39928 389 9 subdivided subdivide VBN 39928 389 10 , , , 39928 389 11 this this DT 39928 389 12 great great JJ 39928 389 13 circle circle NN 39928 389 14 holds hold VBZ 39928 389 15 an an DT 39928 389 16 intermediate intermediate JJ 39928 389 17 situation situation NN 39928 389 18 between between IN 39928 389 19 the the DT 39928 389 20 two two CD 39928 389 21 great great JJ 39928 389 22 streams stream NNS 39928 389 23 ; ; : 39928 389 24 with with IN 39928 389 25 a a DT 39928 389 26 nearer nearer JJ 39928 389 27 approximation approximation NN 39928 389 28 however however RB 39928 389 29 to to IN 39928 389 30 the the DT 39928 389 31 brighter bright JJR 39928 389 32 and and CC 39928 389 33 continuous continuous JJ 39928 389 34 stream stream NN 39928 389 35 than than IN 39928 389 36 to to IN 39928 389 37 the the DT 39928 389 38 fainter fainter NN 39928 389 39 and and CC 39928 389 40 interrupted interrupt VBD 39928 389 41 one one CD 39928 389 42 . . . 39928 390 1 If if IN 39928 390 2 we -PRON- PRP 39928 390 3 trace trace VBP 39928 390 4 its -PRON- PRP$ 39928 390 5 course course NN 39928 390 6 in in IN 39928 390 7 order order NN 39928 390 8 of of IN 39928 390 9 right right JJ 39928 390 10 ascension ascension NN 39928 390 11 , , , 39928 390 12 we -PRON- PRP 39928 390 13 find find VBP 39928 390 14 it -PRON- PRP 39928 390 15 traversing traverse VBG 39928 390 16 the the DT 39928 390 17 constellation constellation NN 39928 390 18 Cassiopeiæ Cassiopeiæ NNS 39928 390 19 , , , 39928 390 20 its -PRON- PRP$ 39928 390 21 brightest bright JJS 39928 390 22 part part NN 39928 390 23 passing pass VBG 39928 390 24 about about RB 39928 390 25 two two CD 39928 390 26 degrees degree NNS 39928 390 27 to to IN 39928 390 28 the the DT 39928 390 29 north north NN 39928 390 30 of of IN 39928 390 31 the the DT 39928 390 32 star star NN 39928 390 33 Delta Delta NNP 39928 390 34 of of IN 39928 390 35 that that DT 39928 390 36 constellation constellation NN 39928 390 37 . . . 39928 391 1 Passing pass VBG 39928 391 2 thence thence NN 39928 391 3 between between IN 39928 391 4 Gamma Gamma NNP 39928 391 5 and and CC 39928 391 6 Epsilon Epsilon NNP 39928 391 7 Cassiopeiæ Cassiopeiæ NNP 39928 391 8 , , , 39928 391 9 it -PRON- PRP 39928 391 10 sends send VBZ 39928 391 11 off off RB 39928 391 12 a a DT 39928 391 13 branch branch NN 39928 391 14 to to IN 39928 391 15 the the DT 39928 391 16 south south RB 39928 391 17 - - HYPH 39928 391 18 preceding precede VBG 39928 391 19 side side NN 39928 391 20 , , , 39928 391 21 towards towards IN 39928 391 22 Alpha Alpha NNP 39928 391 23 Persei Persei NNP 39928 391 24 , , , 39928 391 25 very very RB 39928 391 26 conspicuous conspicuous JJ 39928 391 27 as as RB 39928 391 28 far far RB 39928 391 29 as as IN 39928 391 30 that that DT 39928 391 31 star star NN 39928 391 32 , , , 39928 391 33 prolonged prolong VBD 39928 391 34 faintly faintly RB 39928 391 35 towards towards IN 39928 391 36 Eta Eta NNP 39928 391 37 of of IN 39928 391 38 the the DT 39928 391 39 same same JJ 39928 391 40 constellation constellation NN 39928 391 41 , , , 39928 391 42 and and CC 39928 391 43 possibly possibly RB 39928 391 44 traceable traceable JJ 39928 391 45 towards towards IN 39928 391 46 the the DT 39928 391 47 Hyades Hyades NNPS 39928 391 48 and and CC 39928 391 49 Pleiades Pleiades NNP 39928 391 50 as as IN 39928 391 51 remote remote JJ 39928 391 52 outliers outlier NNS 39928 391 53 . . . 39928 392 1 The the DT 39928 392 2 main main JJ 39928 392 3 stream stream NN 39928 392 4 , , , 39928 392 5 however however RB 39928 392 6 ( ( -LRB- 39928 392 7 which which WDT 39928 392 8 is be VBZ 39928 392 9 here here RB 39928 392 10 very very RB 39928 392 11 faint faint JJ 39928 392 12 ) ) -RRB- 39928 392 13 , , , 39928 392 14 passes pass VBZ 39928 392 15 on on IN 39928 392 16 through through IN 39928 392 17 Auriga Auriga NNP 39928 392 18 , , , 39928 392 19 over over IN 39928 392 20 the the DT 39928 392 21 three three CD 39928 392 22 remarkable remarkable JJ 39928 392 23 stars star NNS 39928 392 24 , , , 39928 392 25 Epsilon Epsilon NNP 39928 392 26 , , , 39928 392 27 Zeta Zeta NNP 39928 392 28 , , , 39928 392 29 Eta Eta NNP 39928 392 30 , , , 39928 392 31 of of IN 39928 392 32 that that DT 39928 392 33 constellation constellation NN 39928 392 34 called call VBD 39928 392 35 the the DT 39928 392 36 Hædi Hædi NNP 39928 392 37 , , , 39928 392 38 preceding precede VBG 39928 392 39 Capella Capella NNP 39928 392 40 , , , 39928 392 41 between between IN 39928 392 42 the the DT 39928 392 43 feet foot NNS 39928 392 44 of of IN 39928 392 45 Gemini Gemini NNP 39928 392 46 and and CC 39928 392 47 the the DT 39928 392 48 horns horn NNS 39928 392 49 of of IN 39928 392 50 the the DT 39928 392 51 Bull Bull NNP 39928 392 52 ( ( -LRB- 39928 392 53 where where WRB 39928 392 54 it -PRON- PRP 39928 392 55 intersects intersect VBZ 39928 392 56 the the DT 39928 392 57 ecliptic ecliptic NN 39928 392 58 nearly nearly RB 39928 392 59 in in IN 39928 392 60 the the DT 39928 392 61 Solstitial Solstitial NNP 39928 392 62 Colure Colure NNP 39928 392 63 ) ) -RRB- 39928 392 64 and and CC 39928 392 65 thence thence VB 39928 392 66 over over IN 39928 392 67 the the DT 39928 392 68 club club NN 39928 392 69 of of IN 39928 392 70 Orion Orion NNP 39928 392 71 to to IN 39928 392 72 the the DT 39928 392 73 neck neck NN 39928 392 74 of of IN 39928 392 75 Monoceros Monoceros NNP 39928 392 76 , , , 39928 392 77 intersecting intersect VBG 39928 392 78 the the DT 39928 392 79 equinoctial equinoctial NN 39928 392 80 in in IN 39928 392 81 R.A. R.A. NNP 39928 392 82 6h 6h CD 39928 392 83 . . . 39928 393 1 54 54 CD 39928 393 2 m m NN 39928 393 3 . . . 39928 394 1 Up up IN 39928 394 2 to to IN 39928 394 3 this this DT 39928 394 4 point point NN 39928 394 5 , , , 39928 394 6 from from IN 39928 394 7 the the DT 39928 394 8 offset offset NN 39928 394 9 in in IN 39928 394 10 Perseus Perseus NNP 39928 394 11 , , , 39928 394 12 its -PRON- PRP$ 39928 394 13 light light NN 39928 394 14 is be VBZ 39928 394 15 feeble feeble JJ 39928 394 16 and and CC 39928 394 17 indefinite indefinite JJ 39928 394 18 , , , 39928 394 19 but but CC 39928 394 20 thenceforward thenceforward RB 39928 394 21 it -PRON- PRP 39928 394 22 receives receive VBZ 39928 394 23 a a DT 39928 394 24 gradual gradual JJ 39928 394 25 accession accession NN 39928 394 26 of of IN 39928 394 27 brightness brightness NN 39928 394 28 , , , 39928 394 29 and and CC 39928 394 30 where where WRB 39928 394 31 it -PRON- PRP 39928 394 32 passes pass VBZ 39928 394 33 through through IN 39928 394 34 the the DT 39928 394 35 shoulder shoulder NN 39928 394 36 of of IN 39928 394 37 Monoceros Monoceros NNP 39928 394 38 and and CC 39928 394 39 over over IN 39928 394 40 the the DT 39928 394 41 head head NN 39928 394 42 of of IN 39928 394 43 Canis Canis NNP 39928 394 44 Major Major NNP 39928 394 45 it -PRON- PRP 39928 394 46 presents present VBZ 39928 394 47 a a DT 39928 394 48 broad broad JJ 39928 394 49 , , , 39928 394 50 moderately moderately RB 39928 394 51 bright bright JJ 39928 394 52 , , , 39928 394 53 very very RB 39928 394 54 uniform uniform JJ 39928 394 55 , , , 39928 394 56 and and CC 39928 394 57 to to IN 39928 394 58 the the DT 39928 394 59 naked naked JJ 39928 394 60 eye eye NN 39928 394 61 , , , 39928 394 62 starless starless NN 39928 394 63 stream stream VBP 39928 394 64 up up IN 39928 394 65 to to IN 39928 394 66 the the DT 39928 394 67 point point NN 39928 394 68 where where WRB 39928 394 69 it -PRON- PRP 39928 394 70 enters enter VBZ 39928 394 71 the the DT 39928 394 72 prow prow NN 39928 394 73 of of IN 39928 394 74 the the DT 39928 394 75 ship ship NN 39928 394 76 Argo Argo NNP 39928 394 77 , , , 39928 394 78 nearly nearly RB 39928 394 79 on on IN 39928 394 80 the the DT 39928 394 81 southern southern JJ 39928 394 82 tropic tropic NN 39928 394 83 . . . 39928 395 1 Here here RB 39928 395 2 it -PRON- PRP 39928 395 3 again again RB 39928 395 4 subdivides subdivide VBZ 39928 395 5 ( ( -LRB- 39928 395 6 about about IN 39928 395 7 the the DT 39928 395 8 star star NN 39928 395 9 _ _ NNP 39928 395 10 m m NNP 39928 395 11 _ _ NNP 39928 395 12 Puppis Puppis NNP 39928 395 13 ) ) -RRB- 39928 395 14 , , , 39928 395 15 sending send VBG 39928 395 16 off off RP 39928 395 17 a a DT 39928 395 18 narrow narrow JJ 39928 395 19 and and CC 39928 395 20 winding winding JJ 39928 395 21 branch branch NN 39928 395 22 on on IN 39928 395 23 the the DT 39928 395 24 preceding precede VBG 39928 395 25 side side NN 39928 395 26 as as RB 39928 395 27 far far RB 39928 395 28 as as IN 39928 395 29 Gamma Gamma NNP 39928 395 30 Argûs Argûs NNP 39928 395 31 , , , 39928 395 32 where where WRB 39928 395 33 it -PRON- PRP 39928 395 34 terminates terminate VBZ 39928 395 35 abruptly abruptly RB 39928 395 36 . . . 39928 396 1 The the DT 39928 396 2 main main JJ 39928 396 3 stream stream NN 39928 396 4 pursues pursue VBZ 39928 396 5 its -PRON- PRP$ 39928 396 6 southward southward JJ 39928 396 7 course course NN 39928 396 8 to to IN 39928 396 9 the the DT 39928 396 10 123rd 123rd NNP 39928 396 11 parallel parallel NN 39928 396 12 of of IN 39928 396 13 NPD NPD NNP 39928 396 14 . . NNP 39928 396 15 , , , 39928 396 16 where where WRB 39928 396 17 it -PRON- PRP 39928 396 18 diffuses diffuse VBZ 39928 396 19 itself -PRON- PRP 39928 396 20 broadly broadly RB 39928 396 21 and and CC 39928 396 22 again again RB 39928 396 23 subdivides subdivide NNS 39928 396 24 , , , 39928 396 25 opening open VBG 39928 396 26 out out RP 39928 396 27 into into IN 39928 396 28 a a DT 39928 396 29 wide wide JJ 39928 396 30 fan fan NN 39928 396 31 - - HYPH 39928 396 32 like like JJ 39928 396 33 expanse expanse NN 39928 396 34 , , , 39928 396 35 nearly nearly RB 39928 396 36 20 20 CD 39928 396 37 ° ° NNS 39928 396 38 in in IN 39928 396 39 breadth breadth NN 39928 396 40 , , , 39928 396 41 formed form VBN 39928 396 42 of of IN 39928 396 43 interlacing interlace VBG 39928 396 44 branches branch NNS 39928 396 45 , , , 39928 396 46 which which WDT 39928 396 47 all all DT 39928 396 48 terminate terminate VBP 39928 396 49 abruptly abruptly RB 39928 396 50 , , , 39928 396 51 in in IN 39928 396 52 a a DT 39928 396 53 line line NN 39928 396 54 drawn draw VBN 39928 396 55 nearly nearly RB 39928 396 56 through through IN 39928 396 57 Lambda Lambda NNP 39928 396 58 and and CC 39928 396 59 Gamma Gamma NNP 39928 396 60 Argûs Argûs NNP 39928 396 61 . . . 39928 397 1 ' ' `` 39928 397 2 At at IN 39928 397 3 this this DT 39928 397 4 place place NN 39928 397 5 the the DT 39928 397 6 continuity continuity NN 39928 397 7 of of IN 39928 397 8 the the DT 39928 397 9 Milky Milky NNP 39928 397 10 Way Way NNP 39928 397 11 is be VBZ 39928 397 12 interrupted interrupt VBN 39928 397 13 by by IN 39928 397 14 a a DT 39928 397 15 wide wide JJ 39928 397 16 gap gap NN 39928 397 17 , , , 39928 397 18 and and CC 39928 397 19 where where WRB 39928 397 20 it -PRON- PRP 39928 397 21 recommences recommence VBZ 39928 397 22 on on IN 39928 397 23 the the DT 39928 397 24 opposite opposite JJ 39928 397 25 side side NN 39928 397 26 it -PRON- PRP 39928 397 27 is be VBZ 39928 397 28 by by IN 39928 397 29 a a DT 39928 397 30 somewhat somewhat RB 39928 397 31 similar similar JJ 39928 397 32 fan fan NN 39928 397 33 - - HYPH 39928 397 34 shaped shape VBN 39928 397 35 assemblage assemblage NN 39928 397 36 of of IN 39928 397 37 branches branch NNS 39928 397 38 which which WDT 39928 397 39 converge converge VBP 39928 397 40 upon upon IN 39928 397 41 the the DT 39928 397 42 bright bright JJ 39928 397 43 star star NN 39928 397 44 Eta Eta NNP 39928 397 45 Argûs Argûs NNP 39928 397 46 . . . 39928 398 1 Thence thence NN 39928 398 2 it -PRON- PRP 39928 398 3 crosses cross VBZ 39928 398 4 the the DT 39928 398 5 hind hind JJ 39928 398 6 feet foot NNS 39928 398 7 of of IN 39928 398 8 the the DT 39928 398 9 Centaur Centaur NNP 39928 398 10 , , , 39928 398 11 forming form VBG 39928 398 12 a a DT 39928 398 13 curious curious JJ 39928 398 14 and and CC 39928 398 15 sharply sharply RB 39928 398 16 - - HYPH 39928 398 17 defined define VBN 39928 398 18 semicircular semicircular JJ 39928 398 19 concavity concavity NN 39928 398 20 of of IN 39928 398 21 small small JJ 39928 398 22 radius radius NN 39928 398 23 , , , 39928 398 24 and and CC 39928 398 25 enters enter VBZ 39928 398 26 the the DT 39928 398 27 Cross Cross NNP 39928 398 28 by by IN 39928 398 29 a a DT 39928 398 30 very very RB 39928 398 31 bright bright JJ 39928 398 32 neck neck NN 39928 398 33 or or CC 39928 398 34 isthmus isthmus NN 39928 398 35 of of IN 39928 398 36 not not RB 39928 398 37 more more JJR 39928 398 38 than than IN 39928 398 39 three three CD 39928 398 40 or or CC 39928 398 41 four four CD 39928 398 42 degrees degree NNS 39928 398 43 in in IN 39928 398 44 breadth breadth NN 39928 398 45 , , , 39928 398 46 being be VBG 39928 398 47 the the DT 39928 398 48 narrowest narrow JJS 39928 398 49 portion portion NN 39928 398 50 of of IN 39928 398 51 the the DT 39928 398 52 Milky Milky NNP 39928 398 53 Way Way NNP 39928 398 54 . . . 39928 399 1 After after IN 39928 399 2 this this DT 39928 399 3 it -PRON- PRP 39928 399 4 immediately immediately RB 39928 399 5 expands expand VBZ 39928 399 6 into into IN 39928 399 7 a a DT 39928 399 8 broad broad JJ 39928 399 9 and and CC 39928 399 10 bright bright JJ 39928 399 11 mass mass NN 39928 399 12 , , , 39928 399 13 enclosing enclose VBG 39928 399 14 the the DT 39928 399 15 stars star NNS 39928 399 16 Alpha alpha NN 39928 399 17 and and CC 39928 399 18 Beta Beta NNP 39928 399 19 Crucis Crucis NNP 39928 399 20 and and CC 39928 399 21 Beta Beta NNP 39928 399 22 Centauri Centauri NNP 39928 399 23 , , , 39928 399 24 and and CC 39928 399 25 extending extend VBG 39928 399 26 almost almost RB 39928 399 27 up up IN 39928 399 28 to to IN 39928 399 29 Alpha alpha NN 39928 399 30 of of IN 39928 399 31 the the DT 39928 399 32 latter latter JJ 39928 399 33 constellation constellation NN 39928 399 34 . . . 39928 400 1 In in IN 39928 400 2 the the DT 39928 400 3 midst midst NN 39928 400 4 of of IN 39928 400 5 this this DT 39928 400 6 bright bright JJ 39928 400 7 mass mass NN 39928 400 8 , , , 39928 400 9 surrounded surround VBN 39928 400 10 by by IN 39928 400 11 it -PRON- PRP 39928 400 12 on on IN 39928 400 13 all all DT 39928 400 14 sides side NNS 39928 400 15 , , , 39928 400 16 and and CC 39928 400 17 occupying occupy VBG 39928 400 18 about about IN 39928 400 19 half half PDT 39928 400 20 its -PRON- PRP$ 39928 400 21 breadth breadth NN 39928 400 22 , , , 39928 400 23 occurs occur VBZ 39928 400 24 a a DT 39928 400 25 singular singular JJ 39928 400 26 dark dark JJ 39928 400 27 pear pear NN 39928 400 28 - - HYPH 39928 400 29 shaped shape VBN 39928 400 30 vacancy vacancy NN 39928 400 31 , , , 39928 400 32 so so RB 39928 400 33 conspicuous conspicuous JJ 39928 400 34 and and CC 39928 400 35 remarkable remarkable JJ 39928 400 36 as as IN 39928 400 37 to to TO 39928 400 38 attract attract VB 39928 400 39 the the DT 39928 400 40 notice notice NN 39928 400 41 of of IN 39928 400 42 the the DT 39928 400 43 most most RBS 39928 400 44 superficial superficial JJ 39928 400 45 gazer gazer NN 39928 400 46 and and CC 39928 400 47 to to TO 39928 400 48 have have VB 39928 400 49 acquired acquire VBN 39928 400 50 among among IN 39928 400 51 the the DT 39928 400 52 early early JJ 39928 400 53 southern southern JJ 39928 400 54 navigators navigator NNS 39928 400 55 the the DT 39928 400 56 uncouth uncouth JJ 39928 400 57 but but CC 39928 400 58 expressive expressive JJ 39928 400 59 appellation appellation NN 39928 400 60 of of IN 39928 400 61 the the DT 39928 400 62 _ _ NNP 39928 400 63 coal coal NN 39928 400 64 - - HYPH 39928 400 65 sack sack NN 39928 400 66 _ _ NNP 39928 400 67 . . . 39928 401 1 In in IN 39928 401 2 this this DT 39928 401 3 vacancy vacancy NN 39928 401 4 , , , 39928 401 5 which which WDT 39928 401 6 is be VBZ 39928 401 7 about about RB 39928 401 8 8 8 CD 39928 401 9 ° ° NNS 39928 401 10 in in IN 39928 401 11 length length NN 39928 401 12 and and CC 39928 401 13 5 5 CD 39928 401 14 ° ° NNS 39928 401 15 broad broad JJ 39928 401 16 , , , 39928 401 17 only only RB 39928 401 18 one one CD 39928 401 19 very very RB 39928 401 20 small small JJ 39928 401 21 star star NN 39928 401 22 visible visible JJ 39928 401 23 to to IN 39928 401 24 the the DT 39928 401 25 naked naked JJ 39928 401 26 eye eye NN 39928 401 27 occurs occur VBZ 39928 401 28 , , , 39928 401 29 though though IN 39928 401 30 it -PRON- PRP 39928 401 31 is be VBZ 39928 401 32 far far RB 39928 401 33 from from IN 39928 401 34 devoid devoid JJ 39928 401 35 of of IN 39928 401 36 telescopic telescopic JJ 39928 401 37 stars star NNS 39928 401 38 , , , 39928 401 39 so so IN 39928 401 40 that that IN 39928 401 41 its -PRON- PRP$ 39928 401 42 striking striking JJ 39928 401 43 blackness blackness NN 39928 401 44 is be VBZ 39928 401 45 simply simply RB 39928 401 46 due due JJ 39928 401 47 to to IN 39928 401 48 the the DT 39928 401 49 effect effect NN 39928 401 50 of of IN 39928 401 51 contrast contrast NN 39928 401 52 with with IN 39928 401 53 the the DT 39928 401 54 brilliant brilliant JJ 39928 401 55 ground ground NN 39928 401 56 with with IN 39928 401 57 which which WDT 39928 401 58 it -PRON- PRP 39928 401 59 is be VBZ 39928 401 60 on on IN 39928 401 61 all all DT 39928 401 62 sides side NNS 39928 401 63 surrounded surround VBD 39928 401 64 . . . 39928 402 1 This this DT 39928 402 2 is be VBZ 39928 402 3 the the DT 39928 402 4 place place NN 39928 402 5 of of IN 39928 402 6 nearest near JJS 39928 402 7 approach approach NN 39928 402 8 of of IN 39928 402 9 the the DT 39928 402 10 Milky Milky NNP 39928 402 11 Way Way NNP 39928 402 12 to to IN 39928 402 13 the the DT 39928 402 14 South South NNP 39928 402 15 Pole Pole NNP 39928 402 16 . . . 39928 403 1 Throughout throughout IN 39928 403 2 all all PDT 39928 403 3 this this DT 39928 403 4 region region NN 39928 403 5 its -PRON- PRP$ 39928 403 6 brightness brightness NN 39928 403 7 is be VBZ 39928 403 8 very very RB 39928 403 9 striking striking JJ 39928 403 10 , , , 39928 403 11 and and CC 39928 403 12 when when WRB 39928 403 13 compared compare VBN 39928 403 14 with with IN 39928 403 15 that that DT 39928 403 16 of of IN 39928 403 17 its -PRON- PRP$ 39928 403 18 more more RBR 39928 403 19 northern northern JJ 39928 403 20 course course NN 39928 403 21 already already RB 39928 403 22 traced trace VBN 39928 403 23 , , , 39928 403 24 conveys convey VBZ 39928 403 25 strongly strongly RB 39928 403 26 the the DT 39928 403 27 impression impression NN 39928 403 28 of of IN 39928 403 29 greater great JJR 39928 403 30 proximity proximity NN 39928 403 31 , , , 39928 403 32 and and CC 39928 403 33 would would MD 39928 403 34 almost almost RB 39928 403 35 lead lead VB 39928 403 36 to to IN 39928 403 37 a a DT 39928 403 38 belief belief NN 39928 403 39 that that IN 39928 403 40 our -PRON- PRP$ 39928 403 41 situation situation NN 39928 403 42 as as IN 39928 403 43 spectators spectator NNS 39928 403 44 is be VBZ 39928 403 45 separated separate VBN 39928 403 46 on on IN 39928 403 47 all all DT 39928 403 48 sides side NNS 39928 403 49 by by IN 39928 403 50 a a DT 39928 403 51 considerable considerable JJ 39928 403 52 interval interval NN 39928 403 53 from from IN 39928 403 54 the the DT 39928 403 55 dense dense JJ 39928 403 56 body body NN 39928 403 57 of of IN 39928 403 58 stars star NNS 39928 403 59 composing compose VBG 39928 403 60 the the DT 39928 403 61 Galaxy Galaxy NNP 39928 403 62 , , , 39928 403 63 which which WDT 39928 403 64 in in IN 39928 403 65 this this DT 39928 403 66 view view NN 39928 403 67 of of IN 39928 403 68 the the DT 39928 403 69 subject subject NN 39928 403 70 would would MD 39928 403 71 come come VB 39928 403 72 to to TO 39928 403 73 be be VB 39928 403 74 considered consider VBN 39928 403 75 as as IN 39928 403 76 a a DT 39928 403 77 flat flat JJ 39928 403 78 ring ring NN 39928 403 79 or or CC 39928 403 80 some some DT 39928 403 81 other other JJ 39928 403 82 re re VB 39928 403 83 - - JJ 39928 403 84 entering enter VBG 39928 403 85 form form NN 39928 403 86 of of IN 39928 403 87 immense immense JJ 39928 403 88 and and CC 39928 403 89 irregular irregular JJ 39928 403 90 breadth breadth NN 39928 403 91 and and CC 39928 403 92 thickness thickness NN 39928 403 93 , , , 39928 403 94 within within IN 39928 403 95 which which WDT 39928 403 96 we -PRON- PRP 39928 403 97 are be VBP 39928 403 98 excentrically excentrically RB 39928 403 99 situated situate VBN 39928 403 100 , , , 39928 403 101 nearer nearer IN 39928 403 102 to to IN 39928 403 103 the the DT 39928 403 104 southern southern JJ 39928 403 105 than than IN 39928 403 106 to to IN 39928 403 107 the the DT 39928 403 108 northern northern JJ 39928 403 109 part part NN 39928 403 110 of of IN 39928 403 111 its -PRON- PRP$ 39928 403 112 circuit circuit NN 39928 403 113 . . . 39928 404 1 ' ' `` 39928 404 2 At at IN 39928 404 3 Alpha alpha NN 39928 404 4 Centauri Centauri NNP 39928 404 5 the the DT 39928 404 6 Milky Milky NNP 39928 404 7 Way Way NNP 39928 404 8 again again RB 39928 404 9 subdivides subdivide VBZ 39928 404 10 , , , 39928 404 11 sending send VBG 39928 404 12 off off RP 39928 404 13 a a DT 39928 404 14 great great JJ 39928 404 15 branch branch NN 39928 404 16 of of IN 39928 404 17 nearly nearly RB 39928 404 18 half half PDT 39928 404 19 its -PRON- PRP$ 39928 404 20 breadth breadth NN 39928 404 21 , , , 39928 404 22 but but CC 39928 404 23 which which WDT 39928 404 24 thins thin VBZ 39928 404 25 off off RP 39928 404 26 rapidly rapidly RB 39928 404 27 , , , 39928 404 28 at at IN 39928 404 29 an an DT 39928 404 30 angle angle NN 39928 404 31 of of IN 39928 404 32 about about RB 39928 404 33 20 20 CD 39928 404 34 ° ° NNS 39928 404 35 with with IN 39928 404 36 its -PRON- PRP$ 39928 404 37 general general JJ 39928 404 38 direction direction NN 39928 404 39 to to IN 39928 404 40 Eta Eta NNP 39928 404 41 and and CC 39928 404 42 _ _ NNP 39928 404 43 d d NNP 39928 404 44 _ _ NNP 39928 404 45 Lupi Lupi NNP 39928 404 46 , , , 39928 404 47 beyond beyond IN 39928 404 48 which which WDT 39928 404 49 it -PRON- PRP 39928 404 50 loses lose VBZ 39928 404 51 itself -PRON- PRP 39928 404 52 in in IN 39928 404 53 a a DT 39928 404 54 narrow narrow JJ 39928 404 55 and and CC 39928 404 56 faint faint JJ 39928 404 57 streamlet streamlet NN 39928 404 58 . . . 39928 405 1 The the DT 39928 405 2 main main JJ 39928 405 3 stream stream NN 39928 405 4 passes pass VBZ 39928 405 5 on on RP 39928 405 6 increasing increase VBG 39928 405 7 in in IN 39928 405 8 breadth breadth NN 39928 405 9 to to IN 39928 405 10 Gamma Gamma NNP 39928 405 11 Normæ Normæ NNP 39928 405 12 , , , 39928 405 13 where where WRB 39928 405 14 it -PRON- PRP 39928 405 15 makes make VBZ 39928 405 16 an an DT 39928 405 17 abrupt abrupt JJ 39928 405 18 elbow elbow NN 39928 405 19 and and CC 39928 405 20 again again RB 39928 405 21 subdivides subdivide NNS 39928 405 22 into into IN 39928 405 23 one one CD 39928 405 24 principal principal JJ 39928 405 25 and and CC 39928 405 26 continuous continuous JJ 39928 405 27 stream stream NN 39928 405 28 of of IN 39928 405 29 very very RB 39928 405 30 irregular irregular JJ 39928 405 31 breadth breadth NN 39928 405 32 and and CC 39928 405 33 brightness brightness NN 39928 405 34 , , , 39928 405 35 and and CC 39928 405 36 a a DT 39928 405 37 complicated complicated JJ 39928 405 38 system system NN 39928 405 39 of of IN 39928 405 40 interlaced interlaced JJ 39928 405 41 streaks streak NNS 39928 405 42 and and CC 39928 405 43 masses masse NNS 39928 405 44 , , , 39928 405 45 which which WDT 39928 405 46 covers cover VBZ 39928 405 47 the the DT 39928 405 48 tail tail NN 39928 405 49 of of IN 39928 405 50 Scorpio Scorpio NNP 39928 405 51 , , , 39928 405 52 and and CC 39928 405 53 terminates terminate NNS 39928 405 54 in in IN 39928 405 55 a a DT 39928 405 56 vast vast JJ 39928 405 57 and and CC 39928 405 58 faint faint JJ 39928 405 59 effusion effusion NN 39928 405 60 over over IN 39928 405 61 the the DT 39928 405 62 whole whole JJ 39928 405 63 extensive extensive JJ 39928 405 64 region region NN 39928 405 65 occupied occupy VBN 39928 405 66 by by IN 39928 405 67 the the DT 39928 405 68 preceding precede VBG 39928 405 69 leg leg NN 39928 405 70 of of IN 39928 405 71 Ophiuchus Ophiuchus NNP 39928 405 72 , , , 39928 405 73 extending extend VBG 39928 405 74 northward northward RB 39928 405 75 to to IN 39928 405 76 the the DT 39928 405 77 parallel parallel NN 39928 405 78 of of IN 39928 405 79 103 103 CD 39928 405 80 ° ° , 39928 405 81 NPD NPD NNP 39928 405 82 . . NNP 39928 405 83 , , , 39928 405 84 beyond beyond IN 39928 405 85 which which WDT 39928 405 86 it -PRON- PRP 39928 405 87 can can MD 39928 405 88 not not RB 39928 405 89 be be VB 39928 405 90 traced trace VBN 39928 405 91 ; ; : 39928 405 92 a a DT 39928 405 93 wide wide JJ 39928 405 94 interval interval NN 39928 405 95 of of IN 39928 405 96 14 14 CD 39928 405 97 ° ° NNS 39928 405 98 , , , 39928 405 99 free free JJ 39928 405 100 from from IN 39928 405 101 all all DT 39928 405 102 appearance appearance NN 39928 405 103 of of IN 39928 405 104 nebulous nebulous JJ 39928 405 105 light light NN 39928 405 106 , , , 39928 405 107 separating separate VBG 39928 405 108 it -PRON- PRP 39928 405 109 from from IN 39928 405 110 the the DT 39928 405 111 great great JJ 39928 405 112 branch branch NN 39928 405 113 on on IN 39928 405 114 the the DT 39928 405 115 north north NN 39928 405 116 side side NN 39928 405 117 of of IN 39928 405 118 the the DT 39928 405 119 equinoctial equinoctial NN 39928 405 120 of of IN 39928 405 121 which which WDT 39928 405 122 it -PRON- PRP 39928 405 123 is be VBZ 39928 405 124 usually usually RB 39928 405 125 represented represent VBN 39928 405 126 as as IN 39928 405 127 a a DT 39928 405 128 continuation continuation NN 39928 405 129 . . . 39928 406 1 ' ' `` 39928 406 2 Returning return VBG 39928 406 3 to to IN 39928 406 4 the the DT 39928 406 5 point point NN 39928 406 6 of of IN 39928 406 7 separation separation NN 39928 406 8 of of IN 39928 406 9 this this DT 39928 406 10 great great JJ 39928 406 11 branch branch NN 39928 406 12 from from IN 39928 406 13 the the DT 39928 406 14 main main JJ 39928 406 15 stream stream NN 39928 406 16 , , , 39928 406 17 let let VB 39928 406 18 us -PRON- PRP 39928 406 19 now now RB 39928 406 20 pursue pursue VB 39928 406 21 the the DT 39928 406 22 course course NN 39928 406 23 of of IN 39928 406 24 the the DT 39928 406 25 latter latter JJ 39928 406 26 . . . 39928 407 1 Making make VBG 39928 407 2 an an DT 39928 407 3 abrupt abrupt JJ 39928 407 4 bend bend NN 39928 407 5 to to IN 39928 407 6 the the DT 39928 407 7 following following JJ 39928 407 8 side side NN 39928 407 9 , , , 39928 407 10 it -PRON- PRP 39928 407 11 passes pass VBZ 39928 407 12 over over IN 39928 407 13 the the DT 39928 407 14 stars star NNS 39928 407 15 Iota Iota NNP 39928 407 16 Aræ Aræ NNP 39928 407 17 , , , 39928 407 18 Theta Theta NNP 39928 407 19 and and CC 39928 407 20 Iota Iota NNP 39928 407 21 Scorpii Scorpii NNP 39928 407 22 , , , 39928 407 23 and and CC 39928 407 24 Gamma Gamma NNP 39928 407 25 Tubi Tubi NNP 39928 407 26 to to IN 39928 407 27 Gamma Gamma NNP 39928 407 28 Sagittarii Sagittarii NNP 39928 407 29 , , , 39928 407 30 where where WRB 39928 407 31 it -PRON- PRP 39928 407 32 suddenly suddenly RB 39928 407 33 collects collect VBZ 39928 407 34 into into IN 39928 407 35 a a DT 39928 407 36 vivid vivid JJ 39928 407 37 oval oval JJ 39928 407 38 mass mass NN 39928 407 39 about about RB 39928 407 40 6 6 CD 39928 407 41 ° ° NNS 39928 407 42 in in IN 39928 407 43 length length NN 39928 407 44 and and CC 39928 407 45 4 4 CD 39928 407 46 ° ° NNS 39928 407 47 in in IN 39928 407 48 breadth breadth NN 39928 407 49 , , , 39928 407 50 so so RB 39928 407 51 excessively excessively RB 39928 407 52 rich rich JJ 39928 407 53 in in IN 39928 407 54 stars star NNS 39928 407 55 that that WDT 39928 407 56 a a DT 39928 407 57 very very RB 39928 407 58 moderate moderate JJ 39928 407 59 calculation calculation NN 39928 407 60 makes make VBZ 39928 407 61 their -PRON- PRP$ 39928 407 62 number number NN 39928 407 63 exceed exceed VB 39928 407 64 100,000 100,000 CD 39928 407 65 . . . 39928 408 1 Northward northward IN 39928 408 2 of of IN 39928 408 3 this this DT 39928 408 4 mass mass NN 39928 408 5 , , , 39928 408 6 this this DT 39928 408 7 stream stream NN 39928 408 8 crosses cross VBZ 39928 408 9 the the DT 39928 408 10 ecliptic ecliptic NN 39928 408 11 in in IN 39928 408 12 longitude longitude NN 39928 408 13 about about IN 39928 408 14 276 276 CD 39928 408 15 ° ° NNS 39928 408 16 , , , 39928 408 17 and and CC 39928 408 18 proceeding proceed VBG 39928 408 19 along along IN 39928 408 20 the the DT 39928 408 21 bow bow NN 39928 408 22 of of IN 39928 408 23 Sagittarius Sagittarius NNP 39928 408 24 into into IN 39928 408 25 Antinous Antinous NNP 39928 408 26 has have VBZ 39928 408 27 its -PRON- PRP$ 39928 408 28 course course NN 39928 408 29 rippled ripple VBN 39928 408 30 by by IN 39928 408 31 three three CD 39928 408 32 deep deep JJ 39928 408 33 concavities concavity NNS 39928 408 34 , , , 39928 408 35 separated separate VBN 39928 408 36 from from IN 39928 408 37 each each DT 39928 408 38 other other JJ 39928 408 39 by by IN 39928 408 40 remarkable remarkable JJ 39928 408 41 protuberances protuberance NNS 39928 408 42 , , , 39928 408 43 of of IN 39928 408 44 which which WDT 39928 408 45 the the DT 39928 408 46 larger large JJR 39928 408 47 and and CC 39928 408 48 brighter bright JJR 39928 408 49 forms form NNS 39928 408 50 the the DT 39928 408 51 most most RBS 39928 408 52 conspicuous conspicuous JJ 39928 408 53 patch patch NN 39928 408 54 in in IN 39928 408 55 the the DT 39928 408 56 southern southern JJ 39928 408 57 portion portion NN 39928 408 58 of of IN 39928 408 59 the the DT 39928 408 60 Milky Milky NNP 39928 408 61 Way Way NNP 39928 408 62 visible visible JJ 39928 408 63 in in IN 39928 408 64 our -PRON- PRP$ 39928 408 65 latitudes latitude NNS 39928 408 66 . . . 39928 409 1 ' ' `` 39928 409 2 Crossing cross VBG 39928 409 3 the the DT 39928 409 4 equinoctial equinoctial NN 39928 409 5 at at IN 39928 409 6 the the DT 39928 409 7 19th 19th JJ 39928 409 8 hour hour NN 39928 409 9 of of IN 39928 409 10 R.A. R.A. NNP 39928 409 11 , , , 39928 409 12 it -PRON- PRP 39928 409 13 next next IN 39928 409 14 runs run NNS 39928 409 15 in in IN 39928 409 16 an an DT 39928 409 17 irregular irregular JJ 39928 409 18 , , , 39928 409 19 patchy patchy NN 39928 409 20 , , , 39928 409 21 and and CC 39928 409 22 winding winding NN 39928 409 23 stream stream NN 39928 409 24 through through IN 39928 409 25 Aquila Aquila NNP 39928 409 26 , , , 39928 409 27 Sagitta Sagitta NNP 39928 409 28 , , , 39928 409 29 and and CC 39928 409 30 Vulpecula vulpecula VB 39928 409 31 up up IN 39928 409 32 to to IN 39928 409 33 Cygnus Cygnus NNP 39928 409 34 ; ; : 39928 409 35 at at IN 39928 409 36 Epsilon Epsilon NNP 39928 409 37 of of IN 39928 409 38 which which WDT 39928 409 39 constellation constellation NN 39928 409 40 its -PRON- PRP$ 39928 409 41 continuity continuity NN 39928 409 42 is be VBZ 39928 409 43 interrupted interrupted JJ 39928 409 44 , , , 39928 409 45 and and CC 39928 409 46 a a DT 39928 409 47 very very RB 39928 409 48 confused confused JJ 39928 409 49 and and CC 39928 409 50 irregular irregular JJ 39928 409 51 region region NN 39928 409 52 commences commence NNS 39928 409 53 , , , 39928 409 54 marked mark VBN 39928 409 55 by by IN 39928 409 56 a a DT 39928 409 57 broad broad JJ 39928 409 58 dark dark JJ 39928 409 59 vacuity vacuity NN 39928 409 60 , , , 39928 409 61 not not RB 39928 409 62 unlike unlike IN 39928 409 63 the the DT 39928 409 64 southern southern JJ 39928 409 65 " " `` 39928 409 66 coal coal NN 39928 409 67 - - HYPH 39928 409 68 sack sack NN 39928 409 69 , , , 39928 409 70 " " '' 39928 409 71 occupying occupy VBG 39928 409 72 the the DT 39928 409 73 space space NN 39928 409 74 between between IN 39928 409 75 Epsilon Epsilon NNP 39928 409 76 , , , 39928 409 77 Alpha alpha NN 39928 409 78 , , , 39928 409 79 and and CC 39928 409 80 Gamma Gamma NNP 39928 409 81 Cygni Cygni NNP 39928 409 82 , , , 39928 409 83 which which WDT 39928 409 84 serves serve VBZ 39928 409 85 as as IN 39928 409 86 a a DT 39928 409 87 kind kind NN 39928 409 88 of of IN 39928 409 89 centre centre NN 39928 409 90 for for IN 39928 409 91 the the DT 39928 409 92 divergence divergence NN 39928 409 93 of of IN 39928 409 94 three three CD 39928 409 95 great great JJ 39928 409 96 streams stream NNS 39928 409 97 ; ; : 39928 409 98 one one CD 39928 409 99 , , , 39928 409 100 which which WDT 39928 409 101 we -PRON- PRP 39928 409 102 have have VBP 39928 409 103 already already RB 39928 409 104 traced trace VBN 39928 409 105 ; ; : 39928 409 106 a a DT 39928 409 107 second second JJ 39928 409 108 , , , 39928 409 109 the the DT 39928 409 110 continuation continuation NN 39928 409 111 of of IN 39928 409 112 the the DT 39928 409 113 first first JJ 39928 409 114 ( ( -LRB- 39928 409 115 across across IN 39928 409 116 the the DT 39928 409 117 interval interval NN 39928 409 118 ) ) -RRB- 39928 409 119 from from IN 39928 409 120 Alpha alpha NN 39928 409 121 northward northward RB 39928 409 122 , , , 39928 409 123 between between IN 39928 409 124 Lacerta Lacerta NNP 39928 409 125 and and CC 39928 409 126 the the DT 39928 409 127 head head NN 39928 409 128 of of IN 39928 409 129 Cepheus Cepheus NNP 39928 409 130 to to IN 39928 409 131 the the DT 39928 409 132 point point NN 39928 409 133 in in IN 39928 409 134 Cassiopeiæ Cassiopeiæ NNP 39928 409 135 whence whence NN 39928 409 136 we -PRON- PRP 39928 409 137 set set VBD 39928 409 138 out out RP 39928 409 139 , , , 39928 409 140 and and CC 39928 409 141 a a DT 39928 409 142 third third JJ 39928 409 143 branching branching NN 39928 409 144 off off RP 39928 409 145 from from IN 39928 409 146 Gamma Gamma NNP 39928 409 147 Cygni Cygni NNP 39928 409 148 , , , 39928 409 149 very very RB 39928 409 150 vivid vivid JJ 39928 409 151 and and CC 39928 409 152 conspicuous conspicuous JJ 39928 409 153 , , , 39928 409 154 running run VBG 39928 409 155 off off RP 39928 409 156 in in IN 39928 409 157 a a DT 39928 409 158 southern southern JJ 39928 409 159 direction direction NN 39928 409 160 through through IN 39928 409 161 Beta Beta NNP 39928 409 162 Cygni Cygni NNP 39928 409 163 , , , 39928 409 164 and and CC 39928 409 165 _ _ NNP 39928 409 166 s s POS 39928 409 167 _ _ NNP 39928 409 168 Aquilæ Aquilæ NNP 39928 409 169 almost almost RB 39928 409 170 to to IN 39928 409 171 the the DT 39928 409 172 equinoctial equinoctial NN 39928 409 173 , , , 39928 409 174 where where WRB 39928 409 175 it -PRON- PRP 39928 409 176 loses lose VBZ 39928 409 177 itself -PRON- PRP 39928 409 178 in in IN 39928 409 179 a a DT 39928 409 180 region region NN 39928 409 181 thinly thinly RB 39928 409 182 sprinkled sprinkle VBN 39928 409 183 with with IN 39928 409 184 stars star NNS 39928 409 185 , , , 39928 409 186 where where WRB 39928 409 187 in in IN 39928 409 188 some some DT 39928 409 189 maps map NNS 39928 409 190 the the DT 39928 409 191 modern modern JJ 39928 409 192 constellation constellation NN 39928 409 193 Taurus Taurus NNP 39928 409 194 Poniatowski Poniatowski NNP 39928 409 195 is be VBZ 39928 409 196 placed place VBN 39928 409 197 . . . 39928 410 1 This this DT 39928 410 2 is be VBZ 39928 410 3 the the DT 39928 410 4 branch branch NN 39928 410 5 which which WDT 39928 410 6 , , , 39928 410 7 if if IN 39928 410 8 continued continue VBN 39928 410 9 across across IN 39928 410 10 the the DT 39928 410 11 equinoctial equinoctial NN 39928 410 12 , , , 39928 410 13 might may MD 39928 410 14 be be VB 39928 410 15 supposed suppose VBN 39928 410 16 to to TO 39928 410 17 unite unite VB 39928 410 18 with with IN 39928 410 19 the the DT 39928 410 20 great great JJ 39928 410 21 southern southern JJ 39928 410 22 effusion effusion NN 39928 410 23 in in IN 39928 410 24 Ophiuchus Ophiuchus NNP 39928 410 25 already already RB 39928 410 26 noticed notice VBD 39928 410 27 . . . 39928 411 1 A a DT 39928 411 2 considerable considerable JJ 39928 411 3 offset offset NN 39928 411 4 , , , 39928 411 5 or or CC 39928 411 6 protuberant protuberant JJ 39928 411 7 appendage appendage NN 39928 411 8 , , , 39928 411 9 is be VBZ 39928 411 10 also also RB 39928 411 11 thrown throw VBN 39928 411 12 off off RP 39928 411 13 by by IN 39928 411 14 the the DT 39928 411 15 northern northern JJ 39928 411 16 stream stream NN 39928 411 17 from from IN 39928 411 18 the the DT 39928 411 19 head head NN 39928 411 20 of of IN 39928 411 21 Cepheus Cepheus NNP 39928 411 22 directly directly RB 39928 411 23 towards towards IN 39928 411 24 the the DT 39928 411 25 pole pole NN 39928 411 26 , , , 39928 411 27 occupying occupy VBG 39928 411 28 the the DT 39928 411 29 greater great JJR 39928 411 30 part part NN 39928 411 31 of of IN 39928 411 32 the the DT 39928 411 33 quartile quartile NN 39928 411 34 formed form VBN 39928 411 35 by by IN 39928 411 36 Alpha alpha NN 39928 411 37 , , , 39928 411 38 Beta Beta NNP 39928 411 39 , , , 39928 411 40 Iota Iota NNP 39928 411 41 , , , 39928 411 42 and and CC 39928 411 43 Delta Delta NNP 39928 411 44 of of IN 39928 411 45 that that DT 39928 411 46 constellation constellation NN 39928 411 47 . . . 39928 411 48 ' ' '' 39928 412 1 To to TO 39928 412 2 complete complete VB 39928 412 3 this this DT 39928 412 4 careful careful JJ 39928 412 5 , , , 39928 412 6 detailed detailed JJ 39928 412 7 description description NN 39928 412 8 of of IN 39928 412 9 the the DT 39928 412 10 Milky Milky NNP 39928 412 11 Way Way NNP 39928 412 12 , , , 39928 412 13 it -PRON- PRP 39928 412 14 will will MD 39928 412 15 be be VB 39928 412 16 well well JJ 39928 412 17 to to TO 39928 412 18 add add VB 39928 412 19 a a DT 39928 412 20 few few JJ 39928 412 21 passages passage NNS 39928 412 22 from from IN 39928 412 23 the the DT 39928 412 24 same same JJ 39928 412 25 work work NN 39928 412 26 as as IN 39928 412 27 to to IN 39928 412 28 its -PRON- PRP$ 39928 412 29 telescopic telescopic JJ 39928 412 30 appearance appearance NN 39928 412 31 and and CC 39928 412 32 structure structure NN 39928 412 33 . . . 39928 413 1 ' ' `` 39928 413 2 When when WRB 39928 413 3 examined examine VBN 39928 413 4 with with IN 39928 413 5 powerful powerful JJ 39928 413 6 telescopes telescope NNS 39928 413 7 , , , 39928 413 8 the the DT 39928 413 9 constitution constitution NN 39928 413 10 of of IN 39928 413 11 this this DT 39928 413 12 wonderful wonderful JJ 39928 413 13 zone zone NN 39928 413 14 is be VBZ 39928 413 15 found find VBN 39928 413 16 to to TO 39928 413 17 be be VB 39928 413 18 no no DT 39928 413 19 less less RBR 39928 413 20 various various JJ 39928 413 21 than than IN 39928 413 22 its -PRON- PRP$ 39928 413 23 aspect aspect NN 39928 413 24 to to IN 39928 413 25 the the DT 39928 413 26 naked naked JJ 39928 413 27 eye eye NN 39928 413 28 is be VBZ 39928 413 29 irregular irregular JJ 39928 413 30 . . . 39928 414 1 In in IN 39928 414 2 some some DT 39928 414 3 regions region NNS 39928 414 4 the the DT 39928 414 5 stars star NNS 39928 414 6 of of IN 39928 414 7 which which WDT 39928 414 8 it -PRON- PRP 39928 414 9 is be VBZ 39928 414 10 composed compose VBN 39928 414 11 are be VBP 39928 414 12 scattered scatter VBN 39928 414 13 with with IN 39928 414 14 remarkable remarkable JJ 39928 414 15 uniformity uniformity NN 39928 414 16 over over IN 39928 414 17 immense immense JJ 39928 414 18 tracts tract NNS 39928 414 19 , , , 39928 414 20 while while IN 39928 414 21 in in IN 39928 414 22 others other NNS 39928 414 23 the the DT 39928 414 24 irregularity irregularity NN 39928 414 25 of of IN 39928 414 26 their -PRON- PRP$ 39928 414 27 distribution distribution NN 39928 414 28 is be VBZ 39928 414 29 quite quite RB 39928 414 30 as as IN 39928 414 31 striking strike VBG 39928 414 32 , , , 39928 414 33 exhibiting exhibit VBG 39928 414 34 a a DT 39928 414 35 rapid rapid JJ 39928 414 36 succession succession NN 39928 414 37 of of IN 39928 414 38 closely closely RB 39928 414 39 clustering cluster VBG 39928 414 40 rich rich JJ 39928 414 41 patches patch NNS 39928 414 42 separated separate VBN 39928 414 43 by by IN 39928 414 44 comparatively comparatively RB 39928 414 45 poor poor JJ 39928 414 46 intervals interval NNS 39928 414 47 , , , 39928 414 48 and and CC 39928 414 49 indeed indeed RB 39928 414 50 in in IN 39928 414 51 some some DT 39928 414 52 instances instance NNS 39928 414 53 by by IN 39928 414 54 spaces space NNS 39928 414 55 absolutely absolutely RB 39928 414 56 dark dark JJ 39928 414 57 _ _ NNP 39928 414 58 and and CC 39928 414 59 completely completely RB 39928 414 60 void void JJ 39928 414 61 of of IN 39928 414 62 any any DT 39928 414 63 star star NN 39928 414 64 _ _ NNP 39928 414 65 , , , 39928 414 66 even even RB 39928 414 67 of of IN 39928 414 68 the the DT 39928 414 69 smallest small JJS 39928 414 70 telescopic telescopic NN 39928 414 71 magnitude magnitude NN 39928 414 72 . . . 39928 415 1 In in IN 39928 415 2 some some DT 39928 415 3 places place NNS 39928 415 4 not not RB 39928 415 5 more more JJR 39928 415 6 than than IN 39928 415 7 40 40 CD 39928 415 8 or or CC 39928 415 9 50 50 CD 39928 415 10 stars star NNS 39928 415 11 on on IN 39928 415 12 an an DT 39928 415 13 average average JJ 39928 415 14 occur occur NN 39928 415 15 in in IN 39928 415 16 a a DT 39928 415 17 gauge gauge NN 39928 415 18 - - HYPH 39928 415 19 field field NN 39928 415 20 of of IN 39928 415 21 15 15 CD 39928 415 22 ' ' '' 39928 415 23 , , , 39928 415 24 while while IN 39928 415 25 in in IN 39928 415 26 others other NNS 39928 415 27 a a DT 39928 415 28 similar similar JJ 39928 415 29 average average NN 39928 415 30 gives give VBZ 39928 415 31 a a DT 39928 415 32 result result NN 39928 415 33 of of IN 39928 415 34 400 400 CD 39928 415 35 or or CC 39928 415 36 500 500 CD 39928 415 37 . . . 39928 416 1 Nor nor CC 39928 416 2 is be VBZ 39928 416 3 less less RBR 39928 416 4 variety variety NN 39928 416 5 observable observable JJ 39928 416 6 in in IN 39928 416 7 the the DT 39928 416 8 character character NN 39928 416 9 of of IN 39928 416 10 its -PRON- PRP$ 39928 416 11 different different JJ 39928 416 12 regions region NNS 39928 416 13 in in IN 39928 416 14 respect respect NN 39928 416 15 of of IN 39928 416 16 the the DT 39928 416 17 magnitudes magnitude NNS 39928 416 18 of of IN 39928 416 19 the the DT 39928 416 20 stars star NNS 39928 416 21 they -PRON- PRP 39928 416 22 exhibit exhibit VBP 39928 416 23 , , , 39928 416 24 and and CC 39928 416 25 the the DT 39928 416 26 proportional proportional JJ 39928 416 27 numbers number NNS 39928 416 28 of of IN 39928 416 29 the the DT 39928 416 30 larger large JJR 39928 416 31 and and CC 39928 416 32 smaller small JJR 39928 416 33 magnitudes magnitude NNS 39928 416 34 associated associate VBN 39928 416 35 together together RB 39928 416 36 , , , 39928 416 37 than than IN 39928 416 38 in in IN 39928 416 39 respect respect NN 39928 416 40 of of IN 39928 416 41 their -PRON- PRP$ 39928 416 42 aggregate aggregate JJ 39928 416 43 numbers number NNS 39928 416 44 . . . 39928 417 1 In in IN 39928 417 2 some some DT 39928 417 3 , , , 39928 417 4 for for IN 39928 417 5 instance instance NN 39928 417 6 , , , 39928 417 7 extremely extremely RB 39928 417 8 minute minute JJ 39928 417 9 stars star NNS 39928 417 10 occur occur VBP 39928 417 11 in in IN 39928 417 12 numbers number NNS 39928 417 13 so so RB 39928 417 14 moderate moderate JJ 39928 417 15 as as IN 39928 417 16 to to TO 39928 417 17 lead lead VB 39928 417 18 us -PRON- PRP 39928 417 19 irresistibly irresistibly RB 39928 417 20 to to IN 39928 417 21 the the DT 39928 417 22 conclusion conclusion NN 39928 417 23 that that IN 39928 417 24 in in IN 39928 417 25 these these DT 39928 417 26 regions region NNS 39928 417 27 we -PRON- PRP 39928 417 28 see see VBP 39928 417 29 _ _ NNP 39928 417 30 fairly fairly RB 39928 417 31 through through IN 39928 417 32 _ _ NNP 39928 417 33 the the DT 39928 417 34 starry starry NN 39928 417 35 stratum stratum NN 39928 417 36 , , , 39928 417 37 since since IN 39928 417 38 it -PRON- PRP 39928 417 39 is be VBZ 39928 417 40 impossible impossible JJ 39928 417 41 otherwise otherwise RB 39928 417 42 that that IN 39928 417 43 the the DT 39928 417 44 numbers number NNS 39928 417 45 of of IN 39928 417 46 the the DT 39928 417 47 smaller small JJR 39928 417 48 magnitudes magnitude NNS 39928 417 49 should should MD 39928 417 50 not not RB 39928 417 51 go go VB 39928 417 52 on on RP 39928 417 53 continually continually RB 39928 417 54 increasing increase VBG 39928 417 55 ad ad NN 39928 417 56 infinitum infinitum RB 39928 417 57 . . . 39928 418 1 In in IN 39928 418 2 such such JJ 39928 418 3 cases case NNS 39928 418 4 , , , 39928 418 5 moreover moreover RB 39928 418 6 , , , 39928 418 7 the the DT 39928 418 8 ground ground NN 39928 418 9 of of IN 39928 418 10 the the DT 39928 418 11 heavens heavens NNPS 39928 418 12 is be VBZ 39928 418 13 for for IN 39928 418 14 the the DT 39928 418 15 most most JJS 39928 418 16 part part NN 39928 418 17 perfectly perfectly RB 39928 418 18 dark dark JJ 39928 418 19 , , , 39928 418 20 which which WDT 39928 418 21 again again RB 39928 418 22 would would MD 39928 418 23 not not RB 39928 418 24 be be VB 39928 418 25 the the DT 39928 418 26 case case NN 39928 418 27 if if IN 39928 418 28 innumerable innumerable JJ 39928 418 29 multitudes multitude NNS 39928 418 30 of of IN 39928 418 31 stars star NNS 39928 418 32 , , , 39928 418 33 too too RB 39928 418 34 minute minute JJ 39928 418 35 to to TO 39928 418 36 be be VB 39928 418 37 individually individually RB 39928 418 38 discernible discernible JJ 39928 418 39 , , , 39928 418 40 existed exist VBD 39928 418 41 beyond beyond RB 39928 418 42 . . . 39928 419 1 In in IN 39928 419 2 other other JJ 39928 419 3 regions region NNS 39928 419 4 we -PRON- PRP 39928 419 5 are be VBP 39928 419 6 presented present VBN 39928 419 7 with with IN 39928 419 8 the the DT 39928 419 9 phænomenon phænomenon NN 39928 419 10 of of IN 39928 419 11 an an DT 39928 419 12 almost almost RB 39928 419 13 uniform uniform JJ 39928 419 14 degree degree NN 39928 419 15 of of IN 39928 419 16 brightness brightness NN 39928 419 17 of of IN 39928 419 18 the the DT 39928 419 19 individual individual JJ 39928 419 20 stars star NNS 39928 419 21 , , , 39928 419 22 accompanied accompany VBN 39928 419 23 with with IN 39928 419 24 a a DT 39928 419 25 very very RB 39928 419 26 even even JJ 39928 419 27 distribution distribution NN 39928 419 28 of of IN 39928 419 29 them -PRON- PRP 39928 419 30 over over IN 39928 419 31 the the DT 39928 419 32 ground ground NN 39928 419 33 of of IN 39928 419 34 the the DT 39928 419 35 heavens heavens NNPS 39928 419 36 , , , 39928 419 37 both both CC 39928 419 38 the the DT 39928 419 39 larger large JJR 39928 419 40 and and CC 39928 419 41 smaller small JJR 39928 419 42 magnitudes magnitude NNS 39928 419 43 being be VBG 39928 419 44 strikingly strikingly RB 39928 419 45 deficient deficient JJ 39928 419 46 . . . 39928 420 1 In in IN 39928 420 2 such such JJ 39928 420 3 cases case NNS 39928 420 4 it -PRON- PRP 39928 420 5 is be VBZ 39928 420 6 equally equally RB 39928 420 7 impossible impossible JJ 39928 420 8 not not RB 39928 420 9 to to TO 39928 420 10 perceive perceive VB 39928 420 11 that that IN 39928 420 12 we -PRON- PRP 39928 420 13 are be VBP 39928 420 14 looking look VBG 39928 420 15 _ _ NNP 39928 420 16 through through IN 39928 420 17 _ _ NNP 39928 420 18 a a DT 39928 420 19 sheet sheet NN 39928 420 20 of of IN 39928 420 21 stars star NNS 39928 420 22 nearly nearly RB 39928 420 23 of of IN 39928 420 24 a a DT 39928 420 25 size size NN 39928 420 26 , , , 39928 420 27 and and CC 39928 420 28 of of IN 39928 420 29 no no DT 39928 420 30 great great JJ 39928 420 31 thickness thickness NN 39928 420 32 compared compare VBN 39928 420 33 with with IN 39928 420 34 the the DT 39928 420 35 distance distance NN 39928 420 36 which which WDT 39928 420 37 separates separate VBZ 39928 420 38 them -PRON- PRP 39928 420 39 from from IN 39928 420 40 us -PRON- PRP 39928 420 41 . . . 39928 421 1 Were be VBD 39928 421 2 it -PRON- PRP 39928 421 3 otherwise otherwise RB 39928 421 4 we -PRON- PRP 39928 421 5 should should MD 39928 421 6 be be VB 39928 421 7 driven drive VBN 39928 421 8 to to TO 39928 421 9 suppose suppose VB 39928 421 10 the the DT 39928 421 11 more more RBR 39928 421 12 distant distant JJ 39928 421 13 stars star NNS 39928 421 14 uniformly uniformly RB 39928 421 15 the the DT 39928 421 16 larger large JJR 39928 421 17 , , , 39928 421 18 so so IN 39928 421 19 as as IN 39928 421 20 to to TO 39928 421 21 compensate compensate VB 39928 421 22 by by IN 39928 421 23 their -PRON- PRP$ 39928 421 24 greater great JJR 39928 421 25 intrinsic intrinsic JJ 39928 421 26 brightness brightness NN 39928 421 27 for for IN 39928 421 28 their -PRON- PRP$ 39928 421 29 greater great JJR 39928 421 30 distance distance NN 39928 421 31 , , , 39928 421 32 a a DT 39928 421 33 supposition supposition NN 39928 421 34 contrary contrary JJ 39928 421 35 to to IN 39928 421 36 all all DT 39928 421 37 probability probability NN 39928 421 38 .... .... . 39928 421 39 ' ' '' 39928 421 40 Throughout throughout IN 39928 421 41 by by IN 39928 421 42 far far RB 39928 421 43 the the DT 39928 421 44 larger large JJR 39928 421 45 portion portion NN 39928 421 46 of of IN 39928 421 47 the the DT 39928 421 48 extent extent NN 39928 421 49 of of IN 39928 421 50 the the DT 39928 421 51 Milky Milky NNP 39928 421 52 Way Way NNP 39928 421 53 in in IN 39928 421 54 both both DT 39928 421 55 hemispheres hemisphere NNS 39928 421 56 , , , 39928 421 57 the the DT 39928 421 58 general general JJ 39928 421 59 blackness blackness NN 39928 421 60 of of IN 39928 421 61 the the DT 39928 421 62 ground ground NN 39928 421 63 of of IN 39928 421 64 the the DT 39928 421 65 heavens heavens NNPS 39928 421 66 on on IN 39928 421 67 which which WDT 39928 421 68 its -PRON- PRP$ 39928 421 69 stars star NNS 39928 421 70 are be VBP 39928 421 71 projected project VBN 39928 421 72 , , , 39928 421 73 and and CC 39928 421 74 the the DT 39928 421 75 absence absence NN 39928 421 76 of of IN 39928 421 77 that that DT 39928 421 78 innumerable innumerable JJ 39928 421 79 multitude multitude NN 39928 421 80 and and CC 39928 421 81 excessive excessive JJ 39928 421 82 crowding crowding NN 39928 421 83 of of IN 39928 421 84 the the DT 39928 421 85 smallest small JJS 39928 421 86 visible visible JJ 39928 421 87 magnitudes magnitude NNS 39928 421 88 , , , 39928 421 89 and and CC 39928 421 90 of of IN 39928 421 91 glare glare NN 39928 421 92 produced produce VBN 39928 421 93 by by IN 39928 421 94 the the DT 39928 421 95 aggregate aggregate JJ 39928 421 96 light light NN 39928 421 97 of of IN 39928 421 98 multitudes multitude NNS 39928 421 99 too too RB 39928 421 100 small small JJ 39928 421 101 to to TO 39928 421 102 affect affect VB 39928 421 103 the the DT 39928 421 104 eye eye NN 39928 421 105 singly singly RB 39928 421 106 , , , 39928 421 107 must must MD 39928 421 108 , , , 39928 421 109 we -PRON- PRP 39928 421 110 think think VBP 39928 421 111 , , , 39928 421 112 be be VB 39928 421 113 considered consider VBN 39928 421 114 unequivocal unequivocal JJ 39928 421 115 indications indication NNS 39928 421 116 that that IN 39928 421 117 its -PRON- PRP$ 39928 421 118 dimensions dimension NNS 39928 421 119 in in IN 39928 421 120 _ _ NNP 39928 421 121 directions direction NNS 39928 421 122 where where WRB 39928 421 123 these these DT 39928 421 124 conditions condition NNS 39928 421 125 obtain obtain VBP 39928 421 126 _ _ NNP 39928 421 127 are be VBP 39928 421 128 not not RB 39928 421 129 only only RB 39928 421 130 not not RB 39928 421 131 infinite infinite JJ 39928 421 132 , , , 39928 421 133 but but CC 39928 421 134 that that IN 39928 421 135 the the DT 39928 421 136 space space NN 39928 421 137 - - HYPH 39928 421 138 penetrating penetrate VBG 39928 421 139 power power NN 39928 421 140 of of IN 39928 421 141 our -PRON- PRP$ 39928 421 142 telescopes telescope NNS 39928 421 143 suffices suffice VBZ 39928 421 144 fairly fairly RB 39928 421 145 to to TO 39928 421 146 pierce pierce VB 39928 421 147 through through IN 39928 421 148 and and CC 39928 421 149 beyond beyond IN 39928 421 150 it -PRON- PRP 39928 421 151 . . . 39928 421 152 ' ' '' 39928 422 1 In in IN 39928 422 2 the the DT 39928 422 3 above above RB 39928 422 4 - - HYPH 39928 422 5 quoted quote VBN 39928 422 6 passage passage NN 39928 422 7 the the DT 39928 422 8 italics italic NNS 39928 422 9 are be VBP 39928 422 10 those those DT 39928 422 11 of of IN 39928 422 12 Sir Sir NNP 39928 422 13 John John NNP 39928 422 14 Herschel Herschel NNP 39928 422 15 himself -PRON- PRP 39928 422 16 , , , 39928 422 17 and and CC 39928 422 18 we -PRON- PRP 39928 422 19 see see VBP 39928 422 20 that that IN 39928 422 21 he -PRON- PRP 39928 422 22 drew draw VBD 39928 422 23 the the DT 39928 422 24 very very RB 39928 422 25 same same JJ 39928 422 26 conclusions conclusion NNS 39928 422 27 from from IN 39928 422 28 the the DT 39928 422 29 facts fact NNS 39928 422 30 he -PRON- PRP 39928 422 31 describes describe VBZ 39928 422 32 , , , 39928 422 33 and and CC 39928 422 34 for for IN 39928 422 35 much much RB 39928 422 36 the the DT 39928 422 37 same same JJ 39928 422 38 reasons reason NNS 39928 422 39 , , , 39928 422 40 as as IN 39928 422 41 Mr. Mr. NNP 39928 422 42 Proctor Proctor NNP 39928 422 43 has have VBZ 39928 422 44 drawn draw VBN 39928 422 45 from from IN 39928 422 46 the the DT 39928 422 47 observations observation NNS 39928 422 48 of of IN 39928 422 49 Sir Sir NNP 39928 422 50 William William NNP 39928 422 51 Herschel Herschel NNP 39928 422 52 ; ; : 39928 422 53 and and CC 39928 422 54 , , , 39928 422 55 as as IN 39928 422 56 we -PRON- PRP 39928 422 57 shall shall MD 39928 422 58 see see VB 39928 422 59 , , , 39928 422 60 the the DT 39928 422 61 best good JJS 39928 422 62 astronomers astronomer NNS 39928 422 63 to to IN 39928 422 64 - - HYPH 39928 422 65 day day NN 39928 422 66 have have VBP 39928 422 67 arrived arrive VBN 39928 422 68 at at IN 39928 422 69 a a DT 39928 422 70 similar similar JJ 39928 422 71 result result NN 39928 422 72 , , , 39928 422 73 from from IN 39928 422 74 the the DT 39928 422 75 additional additional JJ 39928 422 76 facts fact NNS 39928 422 77 at at IN 39928 422 78 their -PRON- PRP$ 39928 422 79 disposal disposal NN 39928 422 80 , , , 39928 422 81 and and CC 39928 422 82 in in IN 39928 422 83 some some DT 39928 422 84 cases case NNS 39928 422 85 from from IN 39928 422 86 fresh fresh JJ 39928 422 87 lines line NNS 39928 422 88 of of IN 39928 422 89 argument argument NN 39928 422 90 . . . 39928 423 1 THE the DT 39928 423 2 STARS star NNS 39928 423 3 IN in IN 39928 423 4 RELATION relation NN 39928 423 5 TO to IN 39928 423 6 THE the DT 39928 423 7 MILKY MILKY NNP 39928 423 8 WAY WAY NNP 39928 423 9 Sir Sir NNP 39928 423 10 John John NNP 39928 423 11 Herschel Herschel NNP 39928 423 12 was be VBD 39928 423 13 so so RB 39928 423 14 impressed impressed JJ 39928 423 15 with with IN 39928 423 16 the the DT 39928 423 17 form form NN 39928 423 18 , , , 39928 423 19 structure structure NN 39928 423 20 , , , 39928 423 21 and and CC 39928 423 22 immensity immensity NN 39928 423 23 of of IN 39928 423 24 the the DT 39928 423 25 Galactic Galactic NNP 39928 423 26 Circle Circle NNP 39928 423 27 , , , 39928 423 28 as as IN 39928 423 29 he -PRON- PRP 39928 423 30 sometimes sometimes RB 39928 423 31 terms term VBZ 39928 423 32 it -PRON- PRP 39928 423 33 , , , 39928 423 34 that that IN 39928 423 35 he -PRON- PRP 39928 423 36 says say VBZ 39928 423 37 ( ( -LRB- 39928 423 38 in in IN 39928 423 39 a a DT 39928 423 40 footnote footnote NN 39928 423 41 p. p. NN 39928 423 42 575 575 CD 39928 423 43 , , , 39928 423 44 10th 10th JJ 39928 423 45 ed ed NN 39928 423 46 . . . 39928 424 1 ) ) -RRB- 39928 424 2 , , , 39928 424 3 ' ' '' 39928 424 4 This this DT 39928 424 5 circle circle NN 39928 424 6 is be VBZ 39928 424 7 to to TO 39928 424 8 sidereal sidereal VB 39928 424 9 what what WP 39928 424 10 the the DT 39928 424 11 invariable invariable JJ 39928 424 12 ecliptic ecliptic NN 39928 424 13 is be VBZ 39928 424 14 to to IN 39928 424 15 planetary planetary JJ 39928 424 16 astronomy astronomy NN 39928 424 17 -- -- : 39928 424 18 a a DT 39928 424 19 plane plane NN 39928 424 20 of of IN 39928 424 21 ultimate ultimate JJ 39928 424 22 reference reference NN 39928 424 23 , , , 39928 424 24 the the DT 39928 424 25 ground ground NN 39928 424 26 - - HYPH 39928 424 27 plane plane NN 39928 424 28 of of IN 39928 424 29 the the DT 39928 424 30 sidereal sidereal JJ 39928 424 31 system system NN 39928 424 32 . . . 39928 424 33 ' ' '' 39928 425 1 We -PRON- PRP 39928 425 2 have have VBP 39928 425 3 now now RB 39928 425 4 to to TO 39928 425 5 consider consider VB 39928 425 6 what what WP 39928 425 7 are be VBP 39928 425 8 the the DT 39928 425 9 relations relation NNS 39928 425 10 of of IN 39928 425 11 the the DT 39928 425 12 whole whole JJ 39928 425 13 body body NN 39928 425 14 of of IN 39928 425 15 the the DT 39928 425 16 stars star NNS 39928 425 17 to to IN 39928 425 18 this this DT 39928 425 19 Galactic Galactic NNP 39928 425 20 Circle Circle NNP 39928 425 21 -- -- : 39928 425 22 this this DT 39928 425 23 plane plane NN 39928 425 24 of of IN 39928 425 25 ultimate ultimate JJ 39928 425 26 reference reference NN 39928 425 27 for for IN 39928 425 28 the the DT 39928 425 29 whole whole JJ 39928 425 30 stellar stellar JJ 39928 425 31 universe universe NN 39928 425 32 . . . 39928 426 1 If if IN 39928 426 2 we -PRON- PRP 39928 426 3 look look VBP 39928 426 4 at at IN 39928 426 5 the the DT 39928 426 6 heavens heaven NNS 39928 426 7 on on IN 39928 426 8 a a DT 39928 426 9 starry starry NN 39928 426 10 night night NN 39928 426 11 , , , 39928 426 12 the the DT 39928 426 13 whole whole JJ 39928 426 14 vault vault NN 39928 426 15 appears appear VBZ 39928 426 16 to to TO 39928 426 17 be be VB 39928 426 18 thickly thickly RB 39928 426 19 strewn strew VBN 39928 426 20 with with IN 39928 426 21 stars star NNS 39928 426 22 of of IN 39928 426 23 various various JJ 39928 426 24 degrees degree NNS 39928 426 25 of of IN 39928 426 26 brightness brightness NN 39928 426 27 , , , 39928 426 28 so so IN 39928 426 29 that that IN 39928 426 30 we -PRON- PRP 39928 426 31 could could MD 39928 426 32 hardly hardly RB 39928 426 33 say say VB 39928 426 34 that that IN 39928 426 35 any any DT 39928 426 36 extensive extensive JJ 39928 426 37 region region NN 39928 426 38 -- -- : 39928 426 39 the the DT 39928 426 40 north north NN 39928 426 41 , , , 39928 426 42 east east NN 39928 426 43 , , , 39928 426 44 south south NN 39928 426 45 , , , 39928 426 46 or or CC 39928 426 47 west west NN 39928 426 48 , , , 39928 426 49 or or CC 39928 426 50 the the DT 39928 426 51 portion portion NN 39928 426 52 vertically vertically RB 39928 426 53 above above IN 39928 426 54 us -PRON- PRP 39928 426 55 -- -- : 39928 426 56 is be VBZ 39928 426 57 very very RB 39928 426 58 conspicuously conspicuously RB 39928 426 59 deficient deficient JJ 39928 426 60 or or CC 39928 426 61 superior superior JJ 39928 426 62 in in IN 39928 426 63 numbers number NNS 39928 426 64 . . . 39928 427 1 In in IN 39928 427 2 every every DT 39928 427 3 part part NN 39928 427 4 there there EX 39928 427 5 are be VBP 39928 427 6 to to TO 39928 427 7 be be VB 39928 427 8 found find VBN 39928 427 9 a a DT 39928 427 10 fair fair JJ 39928 427 11 proportion proportion NN 39928 427 12 of of IN 39928 427 13 stars star NNS 39928 427 14 of of IN 39928 427 15 the the DT 39928 427 16 first first JJ 39928 427 17 two two CD 39928 427 18 or or CC 39928 427 19 three three CD 39928 427 20 magnitudes magnitude NNS 39928 427 21 , , , 39928 427 22 while while IN 39928 427 23 where where WRB 39928 427 24 these these DT 39928 427 25 may may MD 39928 427 26 seem seem VB 39928 427 27 deficient deficient JJ 39928 427 28 a a DT 39928 427 29 crowd crowd NN 39928 427 30 of of IN 39928 427 31 smaller small JJR 39928 427 32 stars star NNS 39928 427 33 takes take VBZ 39928 427 34 their -PRON- PRP$ 39928 427 35 place place NN 39928 427 36 . . . 39928 428 1 But but CC 39928 428 2 an an DT 39928 428 3 accurate accurate JJ 39928 428 4 survey survey NN 39928 428 5 of of IN 39928 428 6 the the DT 39928 428 7 visible visible JJ 39928 428 8 stars star NNS 39928 428 9 shows show VBZ 39928 428 10 that that IN 39928 428 11 there there EX 39928 428 12 is be VBZ 39928 428 13 a a DT 39928 428 14 large large JJ 39928 428 15 amount amount NN 39928 428 16 of of IN 39928 428 17 irregularity irregularity NN 39928 428 18 in in IN 39928 428 19 their -PRON- PRP$ 39928 428 20 distribution distribution NN 39928 428 21 , , , 39928 428 22 and and CC 39928 428 23 that that IN 39928 428 24 all all DT 39928 428 25 magnitudes magnitude NNS 39928 428 26 are be VBP 39928 428 27 really really RB 39928 428 28 more more RBR 39928 428 29 numerous numerous JJ 39928 428 30 in in IN 39928 428 31 or or CC 39928 428 32 near near IN 39928 428 33 the the DT 39928 428 34 Milky Milky NNP 39928 428 35 Way Way NNP 39928 428 36 , , , 39928 428 37 than than IN 39928 428 38 at at IN 39928 428 39 a a DT 39928 428 40 distance distance NN 39928 428 41 from from IN 39928 428 42 it -PRON- PRP 39928 428 43 , , , 39928 428 44 though though IN 39928 428 45 not not RB 39928 428 46 in in IN 39928 428 47 so so RB 39928 428 48 large large JJ 39928 428 49 a a DT 39928 428 50 degree degree NN 39928 428 51 as as IN 39928 428 52 to to TO 39928 428 53 be be VB 39928 428 54 very very RB 39928 428 55 conspicuous conspicuous JJ 39928 428 56 to to IN 39928 428 57 the the DT 39928 428 58 naked naked JJ 39928 428 59 eye eye NN 39928 428 60 . . . 39928 429 1 The the DT 39928 429 2 area area NN 39928 429 3 of of IN 39928 429 4 the the DT 39928 429 5 whole whole NN 39928 429 6 of of IN 39928 429 7 the the DT 39928 429 8 Milky Milky NNP 39928 429 9 Way Way NNP 39928 429 10 can can MD 39928 429 11 not not RB 39928 429 12 be be VB 39928 429 13 estimated estimate VBN 39928 429 14 at at IN 39928 429 15 more more JJR 39928 429 16 than than IN 39928 429 17 one one CD 39928 429 18 - - HYPH 39928 429 19 seventh seventh JJ 39928 429 20 of of IN 39928 429 21 the the DT 39928 429 22 whole whole JJ 39928 429 23 sphere sphere NN 39928 429 24 , , , 39928 429 25 while while IN 39928 429 26 some some DT 39928 429 27 astronomers astronomer NNS 39928 429 28 reckon reckon VBP 39928 429 29 it -PRON- PRP 39928 429 30 at at IN 39928 429 31 only only RB 39928 429 32 one one CD 39928 429 33 - - HYPH 39928 429 34 tenth tenth NN 39928 429 35 . . . 39928 430 1 If if IN 39928 430 2 stars star NNS 39928 430 3 of of IN 39928 430 4 any any DT 39928 430 5 particular particular JJ 39928 430 6 size size NN 39928 430 7 were be VBD 39928 430 8 uniformly uniformly RB 39928 430 9 distributed distribute VBN 39928 430 10 , , , 39928 430 11 at at IN 39928 430 12 most most RBS 39928 430 13 one one CD 39928 430 14 - - HYPH 39928 430 15 seventh seventh JJ 39928 430 16 of of IN 39928 430 17 the the DT 39928 430 18 whole whole JJ 39928 430 19 number number NN 39928 430 20 should should MD 39928 430 21 be be VB 39928 430 22 found find VBN 39928 430 23 within within IN 39928 430 24 its -PRON- PRP$ 39928 430 25 limits limit NNS 39928 430 26 . . . 39928 431 1 But but CC 39928 431 2 Mr. Mr. NNP 39928 431 3 Gore Gore NNP 39928 431 4 finds find VBZ 39928 431 5 that that DT 39928 431 6 of of IN 39928 431 7 32 32 CD 39928 431 8 stars star NNS 39928 431 9 brighter bright JJR 39928 431 10 than than IN 39928 431 11 the the DT 39928 431 12 second second JJ 39928 431 13 magnitude magnitude NN 39928 431 14 12 12 CD 39928 431 15 lie lie NN 39928 431 16 upon upon IN 39928 431 17 the the DT 39928 431 18 Milky Milky NNP 39928 431 19 Way Way NNP 39928 431 20 , , , 39928 431 21 or or CC 39928 431 22 considerably considerably RB 39928 431 23 more more JJR 39928 431 24 than than IN 39928 431 25 twice twice RB 39928 431 26 as as RB 39928 431 27 many many JJ 39928 431 28 as as IN 39928 431 29 there there EX 39928 431 30 should should MD 39928 431 31 be be VB 39928 431 32 if if IN 39928 431 33 they -PRON- PRP 39928 431 34 were be VBD 39928 431 35 uniformly uniformly RB 39928 431 36 distributed distribute VBN 39928 431 37 . . . 39928 432 1 And and CC 39928 432 2 in in IN 39928 432 3 the the DT 39928 432 4 case case NN 39928 432 5 of of IN 39928 432 6 the the DT 39928 432 7 99 99 CD 39928 432 8 stars star NNS 39928 432 9 which which WDT 39928 432 10 are be VBP 39928 432 11 brighter bright JJR 39928 432 12 than than IN 39928 432 13 the the DT 39928 432 14 third third JJ 39928 432 15 magnitude magnitude NN 39928 432 16 33 33 CD 39928 432 17 lie lie NN 39928 432 18 upon upon IN 39928 432 19 the the DT 39928 432 20 Milky Milky NNP 39928 432 21 Way Way NNP 39928 432 22 , , , 39928 432 23 or or CC 39928 432 24 one one CD 39928 432 25 - - HYPH 39928 432 26 third third NN 39928 432 27 instead instead RB 39928 432 28 of of IN 39928 432 29 one one CD 39928 432 30 - - HYPH 39928 432 31 seventh seventh JJ 39928 432 32 . . . 39928 433 1 Mr. Mr. NNP 39928 433 2 Gore Gore NNP 39928 433 3 also also RB 39928 433 4 counted count VBD 39928 433 5 all all PDT 39928 433 6 the the DT 39928 433 7 stars star NNS 39928 433 8 in in IN 39928 433 9 Heis Heis NNP 39928 433 10 's 's POS 39928 433 11 Atlas Atlas NNP 39928 433 12 which which WDT 39928 433 13 lie lie VBP 39928 433 14 upon upon IN 39928 433 15 the the DT 39928 433 16 Milky Milky NNP 39928 433 17 Way Way NNP 39928 433 18 , , , 39928 433 19 and and CC 39928 433 20 finds find VBZ 39928 433 21 there there EX 39928 433 22 are be VBP 39928 433 23 1186 1186 CD 39928 433 24 out out IN 39928 433 25 of of IN 39928 433 26 a a DT 39928 433 27 total total NN 39928 433 28 of of IN 39928 433 29 5356 5356 CD 39928 433 30 , , , 39928 433 31 a a DT 39928 433 32 proportion proportion NN 39928 433 33 of of IN 39928 433 34 between between IN 39928 433 35 a a DT 39928 433 36 fourth fourth JJ 39928 433 37 and and CC 39928 433 38 a a DT 39928 433 39 fifth fifth JJ 39928 433 40 instead instead RB 39928 433 41 of of IN 39928 433 42 a a DT 39928 433 43 seventh seventh JJ 39928 433 44 . . . 39928 434 1 The the DT 39928 434 2 late late JJ 39928 434 3 Mr. Mr. NNP 39928 434 4 Proctor Proctor NNP 39928 434 5 in in IN 39928 434 6 1871 1871 CD 39928 434 7 laid lay VBD 39928 434 8 down down RP 39928 434 9 on on IN 39928 434 10 a a DT 39928 434 11 chart chart NN 39928 434 12 two two CD 39928 434 13 feet foot NNS 39928 434 14 diameter diameter VBP 39928 434 15 all all PDT 39928 434 16 the the DT 39928 434 17 stars star NNS 39928 434 18 down down RP 39928 434 19 to to IN 39928 434 20 magnitude magnitude NN 39928 434 21 9 9 CD 39928 434 22 - - SYM 39928 434 23 1/2 1/2 CD 39928 434 24 given give VBN 39928 434 25 in in IN 39928 434 26 Agrelander Agrelander NNP 39928 434 27 's 's POS 39928 434 28 forty forty CD 39928 434 29 large large JJ 39928 434 30 charts chart NNS 39928 434 31 of of IN 39928 434 32 the the DT 39928 434 33 stars star NNS 39928 434 34 visible visible JJ 39928 434 35 in in IN 39928 434 36 the the DT 39928 434 37 northern northern JJ 39928 434 38 hemisphere hemisphere NN 39928 434 39 . . . 39928 435 1 They -PRON- PRP 39928 435 2 were be VBD 39928 435 3 324,198 324,198 CD 39928 435 4 in in IN 39928 435 5 number number NN 39928 435 6 , , , 39928 435 7 and and CC 39928 435 8 they -PRON- PRP 39928 435 9 distinctly distinctly RB 39928 435 10 showed show VBD 39928 435 11 by by IN 39928 435 12 their -PRON- PRP$ 39928 435 13 greater great JJR 39928 435 14 density density NN 39928 435 15 not not RB 39928 435 16 only only RB 39928 435 17 the the DT 39928 435 18 whole whole JJ 39928 435 19 course course NN 39928 435 20 of of IN 39928 435 21 the the DT 39928 435 22 Milky Milky NNP 39928 435 23 Way Way NNP 39928 435 24 but but CC 39928 435 25 also also RB 39928 435 26 its -PRON- PRP$ 39928 435 27 more more RBR 39928 435 28 luminous luminous JJ 39928 435 29 portions portion NNS 39928 435 30 and and CC 39928 435 31 many many JJ 39928 435 32 of of IN 39928 435 33 the the DT 39928 435 34 curious curious JJ 39928 435 35 dark dark JJ 39928 435 36 rifts rift NNS 39928 435 37 and and CC 39928 435 38 vacuities vacuity NNS 39928 435 39 , , , 39928 435 40 which which WDT 39928 435 41 latter latter JJ 39928 435 42 are be VBP 39928 435 43 almost almost RB 39928 435 44 wholly wholly RB 39928 435 45 avoided avoid VBN 39928 435 46 by by IN 39928 435 47 these these DT 39928 435 48 stars star NNS 39928 435 49 . . . 39928 436 1 Later later RB 39928 436 2 on on IN 39928 436 3 Professor Professor NNP 39928 436 4 Seeliger Seeliger NNP 39928 436 5 of of IN 39928 436 6 Munich Munich NNP 39928 436 7 made make VBD 39928 436 8 an an DT 39928 436 9 investigation investigation NN 39928 436 10 of of IN 39928 436 11 the the DT 39928 436 12 relation relation NN 39928 436 13 of of IN 39928 436 14 more more JJR 39928 436 15 than than IN 39928 436 16 135,000 135,000 CD 39928 436 17 stars star NNS 39928 436 18 down down RP 39928 436 19 to to IN 39928 436 20 the the DT 39928 436 21 ninth ninth JJ 39928 436 22 magnitude magnitude NN 39928 436 23 to to IN 39928 436 24 the the DT 39928 436 25 Milky Milky NNP 39928 436 26 Way Way NNP 39928 436 27 , , , 39928 436 28 by by IN 39928 436 29 dividing divide VBG 39928 436 30 the the DT 39928 436 31 whole whole NN 39928 436 32 of of IN 39928 436 33 the the DT 39928 436 34 heavens heavens NNPS 39928 436 35 into into IN 39928 436 36 nine nine CD 39928 436 37 regions region NNS 39928 436 38 , , , 39928 436 39 one one CD 39928 436 40 and and CC 39928 436 41 nine nine CD 39928 436 42 being be VBG 39928 436 43 circles circle NNS 39928 436 44 of of IN 39928 436 45 20 20 CD 39928 436 46 ° ° NNS 39928 436 47 wide wide JJ 39928 436 48 ( ( -LRB- 39928 436 49 equal equal JJ 39928 436 50 to to IN 39928 436 51 40 40 CD 39928 436 52 ° ° NNS 39928 436 53 diameter diameter NN 39928 436 54 ) ) -RRB- 39928 436 55 at at IN 39928 436 56 the the DT 39928 436 57 two two CD 39928 436 58 poles pole NNS 39928 436 59 of of IN 39928 436 60 the the DT 39928 436 61 Galaxy Galaxy NNP 39928 436 62 ; ; : 39928 436 63 the the DT 39928 436 64 middle middle JJ 39928 436 65 region region NN 39928 436 66 , , , 39928 436 67 five five CD 39928 436 68 , , , 39928 436 69 is be VBZ 39928 436 70 a a DT 39928 436 71 zone zone NN 39928 436 72 20 20 CD 39928 436 73 ° ° , 39928 436 74 wide wide JJ 39928 436 75 including include VBG 39928 436 76 the the DT 39928 436 77 Milky Milky NNP 39928 436 78 Way Way NNP 39928 436 79 itself -PRON- PRP 39928 436 80 , , , 39928 436 81 and and CC 39928 436 82 the the DT 39928 436 83 other other JJ 39928 436 84 six six CD 39928 436 85 intermediate intermediate JJ 39928 436 86 zones zone NNS 39928 436 87 are be VBP 39928 436 88 each each DT 39928 436 89 20 20 CD 39928 436 90 ° ° NNS 39928 436 91 wide wide JJ 39928 436 92 . . . 39928 437 1 The the DT 39928 437 2 following follow VBG 39928 437 3 table table NN 39928 437 4 shows show VBZ 39928 437 5 the the DT 39928 437 6 results result NNS 39928 437 7 as as IN 39928 437 8 given give VBN 39928 437 9 by by IN 39928 437 10 Professor Professor NNP 39928 437 11 Newcomb Newcomb NNP 39928 437 12 , , , 39928 437 13 who who WP 39928 437 14 has have VBZ 39928 437 15 made make VBN 39928 437 16 some some DT 39928 437 17 alterations alteration NNS 39928 437 18 in in IN 39928 437 19 the the DT 39928 437 20 last last JJ 39928 437 21 column column NN 39928 437 22 of of IN 39928 437 23 ' ' `` 39928 437 24 Density Density NNP 39928 437 25 of of IN 39928 437 26 Stars Stars NNPS 39928 437 27 ' ' '' 39928 437 28 in in IN 39928 437 29 order order NN 39928 437 30 to to TO 39928 437 31 correct correct VB 39928 437 32 differences difference NNS 39928 437 33 in in IN 39928 437 34 the the DT 39928 437 35 estimate estimate NN 39928 437 36 of of IN 39928 437 37 magnitudes magnitude NNS 39928 437 38 by by IN 39928 437 39 the the DT 39928 437 40 different different JJ 39928 437 41 authorities authority NNS 39928 437 42 . . . 39928 438 1 Regions region NNS 39928 438 2 . . . 39928 439 1 Area area NN 39928 439 2 in in IN 39928 439 3 Degree Degree NNP 39928 439 4 . . . 39928 440 1 Number number NN 39928 440 2 of of IN 39928 440 3 Stars star NNS 39928 440 4 . . . 39928 441 1 Density density NN 39928 441 2 . . . 39928 442 1 I. I. NNP 39928 443 1 1,398.7 1,398.7 CD 39928 443 2 4,277 4,277 CD 39928 443 3 2.78 2.78 CD 39928 443 4 II ii CD 39928 443 5 . . . 39928 444 1 3,146.9 3,146.9 CD 39928 444 2 10,185 10,185 CD 39928 444 3 3.03 3.03 CD 39928 444 4 III iii CD 39928 444 5 . . . 39928 445 1 5,126.6 5,126.6 CD 39928 445 2 19,488 19,488 CD 39928 445 3 3.54 3.54 CD 39928 445 4 IV IV NNP 39928 445 5 . . . 39928 446 1 4,589.8 4,589.8 CD 39928 446 2 24,492 24,492 CD 39928 446 3 5.32 5.32 CD 39928 446 4 V. v. NN 39928 446 5 4,519.5 4,519.5 CD 39928 446 6 33,267 33,267 CD 39928 446 7 8.17 8.17 CD 39928 446 8 VI VI NNP 39928 446 9 . . . 39928 447 1 3,971.5 3,971.5 CD 39928 447 2 23,580 23,580 CD 39928 447 3 6.07 6.07 CD 39928 447 4 VII vii NN 39928 447 5 . . . 39928 448 1 2,954.4 2,954.4 CD 39928 448 2 11,790 11,790 CD 39928 448 3 3.71 3.71 CD 39928 448 4 VIII viii NN 39928 448 5 . . . 39928 449 1 1,796.6 1,796.6 CD 39928 449 2 6,375 6,375 CD 39928 449 3 3.21 3.21 CD 39928 449 4 IX IX NNP 39928 449 5 . . . 39928 450 1 468.2 468.2 CD 39928 450 2 1,644 1,644 CD 39928 450 3 3.14 3.14 CD 39928 450 4 _ _ NNP 39928 450 5 N.B._--The N.B._--The NNP 39928 450 6 inequality inequality NN 39928 450 7 of of IN 39928 450 8 the the DT 39928 450 9 N. N. NNP 39928 450 10 and and CC 39928 450 11 S. S. NNP 39928 450 12 areas area NNS 39928 450 13 is be VBZ 39928 450 14 because because IN 39928 450 15 the the DT 39928 450 16 enumeration enumeration NN 39928 450 17 of of IN 39928 450 18 the the DT 39928 450 19 stars star NNS 39928 450 20 only only RB 39928 450 21 went go VBD 39928 450 22 as as RB 39928 450 23 far far RB 39928 450 24 as as IN 39928 450 25 24 24 CD 39928 450 26 ° ° NNS 39928 450 27 S. S. NNP 39928 451 1 Decl Decl NNP 39928 451 2 . . NNP 39928 451 3 , , , 39928 451 4 and and CC 39928 451 5 therefore therefore RB 39928 451 6 included include VBD 39928 451 7 only only RB 39928 451 8 a a DT 39928 451 9 part part NN 39928 451 10 of of IN 39928 451 11 Regions Regions NNP 39928 451 12 VII VII NNP 39928 451 13 . . NNP 39928 451 14 , , , 39928 451 15 VIII VIII NNP 39928 451 16 . . . 39928 451 17 , , , 39928 451 18 and and CC 39928 451 19 IX IX NNP 39928 451 20 . . . 39928 452 1 [ [ -LRB- 39928 452 2 Illustration illustration NN 39928 452 3 : : : 39928 452 4 DIAGRAM diagram NN 39928 452 5 OF of IN 39928 452 6 STAR STAR NNP 39928 452 7 - - HYPH 39928 452 8 DENSITY density NN 39928 452 9 From from IN 39928 452 10 Herschel Herschel NNP 39928 452 11 's 's POS 39928 452 12 Gauges Gauges NNPS 39928 452 13 ( ( -LRB- 39928 452 14 as as IN 39928 452 15 given give VBN 39928 452 16 by by IN 39928 452 17 Professor Professor NNP 39928 452 18 Newcomb Newcomb NNP 39928 452 19 , , , 39928 452 20 p. p. NN 39928 453 1 251 251 CD 39928 453 2 ) ) -RRB- 39928 453 3 . . . 39928 453 4 ] ] -RRB- 39928 454 1 Upon upon IN 39928 454 2 this this DT 39928 454 3 table table NN 39928 454 4 of of IN 39928 454 5 densities density NNS 39928 454 6 Professor Professor NNP 39928 454 7 Newcomb Newcomb NNP 39928 454 8 remarks remark VBZ 39928 454 9 as as IN 39928 454 10 follows:--'The follows:--'the JJ 39928 454 11 star star NN 39928 454 12 - - HYPH 39928 454 13 density density NN 39928 454 14 in in IN 39928 454 15 the the DT 39928 454 16 several several JJ 39928 454 17 regions region NNS 39928 454 18 increases increase VBZ 39928 454 19 continuously continuously RB 39928 454 20 from from IN 39928 454 21 each each DT 39928 454 22 pole pole NN 39928 454 23 ( ( -LRB- 39928 454 24 regions region NNS 39928 454 25 I. I. NNP 39928 454 26 and and CC 39928 454 27 IX IX NNP 39928 454 28 . . . 39928 454 29 ) ) -RRB- 39928 455 1 to to IN 39928 455 2 the the DT 39928 455 3 Galaxy Galaxy NNP 39928 455 4 itself -PRON- PRP 39928 455 5 ( ( -LRB- 39928 455 6 region region NN 39928 455 7 V. V. NNP 39928 455 8 ) ) -RRB- 39928 455 9 . . . 39928 456 1 IF if IN 39928 456 2 THE the DT 39928 456 3 LATTER LATTER NNP 39928 456 4 WERE be VBD 39928 456 5 A a DT 39928 456 6 SIMPLE simple JJ 39928 456 7 RING ring NN 39928 456 8 OF of IN 39928 456 9 STARS star NNS 39928 456 10 SURROUNDING surround VBG 39928 456 11 A a DT 39928 456 12 SPHERICAL spherical NN 39928 456 13 SYSTEM system NN 39928 456 14 OF of IN 39928 456 15 STARS star NNS 39928 456 16 , , , 39928 456 17 THE the DT 39928 456 18 STAR STAR NNP 39928 456 19 - - HYPH 39928 456 20 DENSITY DENSITY NNP 39928 456 21 WOULD WOULD MD 39928 456 22 BE be VB 39928 456 23 ABOUT about IN 39928 456 24 THE the DT 39928 456 25 SAME SAME NNP 39928 456 26 IN in IN 39928 456 27 REGIONS REGIONS NNP 39928 456 28 I. I. NNP 39928 456 29 , , , 39928 456 30 II II NNP 39928 456 31 . . NNP 39928 456 32 , , , 39928 456 33 and and CC 39928 456 34 III III NNP 39928 456 35 . . NNP 39928 456 36 , , , 39928 456 37 and and CC 39928 456 38 also also RB 39928 456 39 in in IN 39928 456 40 VII VII NNP 39928 456 41 . . . 39928 456 42 , , , 39928 456 43 VIII VIII NNP 39928 456 44 . . . 39928 456 45 , , , 39928 456 46 and and CC 39928 456 47 IX IX NNP 39928 456 48 . . . 39928 456 49 , , , 39928 456 50 but but CC 39928 456 51 would would MD 39928 456 52 suddenly suddenly RB 39928 456 53 increase increase VB 39928 456 54 in in IN 39928 456 55 IV IV NNP 39928 456 56 . . . 39928 457 1 and and CC 39928 457 2 VI VI NNP 39928 457 3 . . . 39928 458 1 as as IN 39928 458 2 the the DT 39928 458 3 boundary boundary NN 39928 458 4 of of IN 39928 458 5 the the DT 39928 458 6 ring ring NN 39928 458 7 was be VBD 39928 458 8 approached approach VBN 39928 458 9 . . . 39928 459 1 Instead instead RB 39928 459 2 of of IN 39928 459 3 such such JJ 39928 459 4 being be VBG 39928 459 5 the the DT 39928 459 6 case case NN 39928 459 7 , , , 39928 459 8 the the DT 39928 459 9 numbers number NNS 39928 459 10 2.78 2.78 CD 39928 459 11 , , , 39928 459 12 3.03 3.03 CD 39928 459 13 , , , 39928 459 14 and and CC 39928 459 15 3.54 3.54 CD 39928 459 16 in in IN 39928 459 17 the the DT 39928 459 18 north north NN 39928 459 19 , , , 39928 459 20 and and CC 39928 459 21 3.14 3.14 CD 39928 459 22 , , , 39928 459 23 3.21 3.21 CD 39928 459 24 , , , 39928 459 25 and and CC 39928 459 26 3.71 3.71 CD 39928 459 27 in in IN 39928 459 28 the the DT 39928 459 29 south south NN 39928 459 30 , , , 39928 459 31 show show VB 39928 459 32 a a DT 39928 459 33 progressive progressive JJ 39928 459 34 increase increase NN 39928 459 35 from from IN 39928 459 36 the the DT 39928 459 37 galactic galactic JJ 39928 459 38 pole pole NN 39928 459 39 to to IN 39928 459 40 the the DT 39928 459 41 Galaxy Galaxy NNP 39928 459 42 itself -PRON- PRP 39928 459 43 . . . 39928 460 1 The the DT 39928 460 2 conclusion conclusion NN 39928 460 3 to to TO 39928 460 4 be be VB 39928 460 5 drawn draw VBN 39928 460 6 is be VBZ 39928 460 7 a a DT 39928 460 8 fundamental fundamental JJ 39928 460 9 one one NN 39928 460 10 . . . 39928 461 1 The the DT 39928 461 2 universe universe NN 39928 461 3 , , , 39928 461 4 or or CC 39928 461 5 at at IN 39928 461 6 least least JJS 39928 461 7 the the DT 39928 461 8 denser denser NN 39928 461 9 portion portion NN 39928 461 10 of of IN 39928 461 11 it -PRON- PRP 39928 461 12 , , , 39928 461 13 is be VBZ 39928 461 14 really really RB 39928 461 15 flattened flatten VBN 39928 461 16 between between IN 39928 461 17 the the DT 39928 461 18 galactic galactic JJ 39928 461 19 poles pole NNS 39928 461 20 , , , 39928 461 21 as as IN 39928 461 22 supposed suppose VBN 39928 461 23 by by IN 39928 461 24 Herschel Herschel NNP 39928 461 25 and and CC 39928 461 26 Struve Struve NNP 39928 461 27 . . . 39928 461 28 ' ' '' 39928 462 1 But but CC 39928 462 2 looking look VBG 39928 462 3 at at IN 39928 462 4 the the DT 39928 462 5 series series NN 39928 462 6 of of IN 39928 462 7 figures figure NNS 39928 462 8 in in IN 39928 462 9 the the DT 39928 462 10 table table NN 39928 462 11 , , , 39928 462 12 and and CC 39928 462 13 again again RB 39928 462 14 as as IN 39928 462 15 quoted quote VBN 39928 462 16 by by IN 39928 462 17 Professor Professor NNP 39928 462 18 Newcomb Newcomb NNP 39928 462 19 , , , 39928 462 20 they -PRON- PRP 39928 462 21 seem seem VBP 39928 462 22 to to IN 39928 462 23 me -PRON- PRP 39928 462 24 to to TO 39928 462 25 show show VB 39928 462 26 in in IN 39928 462 27 some some DT 39928 462 28 measure measure NN 39928 462 29 what what WP 39928 462 30 he -PRON- PRP 39928 462 31 says say VBZ 39928 462 32 they -PRON- PRP 39928 462 33 do do VBP 39928 462 34 not not RB 39928 462 35 show show VB 39928 462 36 . . . 39928 463 1 I -PRON- PRP 39928 463 2 therefore therefore RB 39928 463 3 drew draw VBD 39928 463 4 out out RP 39928 463 5 the the DT 39928 463 6 above above JJ 39928 463 7 diagram diagram NN 39928 463 8 from from IN 39928 463 9 the the DT 39928 463 10 figures figure NNS 39928 463 11 in in IN 39928 463 12 the the DT 39928 463 13 table table NN 39928 463 14 , , , 39928 463 15 and and CC 39928 463 16 it -PRON- PRP 39928 463 17 certainly certainly RB 39928 463 18 shows show VBZ 39928 463 19 that that IN 39928 463 20 the the DT 39928 463 21 density density NN 39928 463 22 in in IN 39928 463 23 regions region NNS 39928 463 24 I. I. NNP 39928 463 25 , , , 39928 463 26 II II NNP 39928 463 27 . . NNP 39928 463 28 , , , 39928 463 29 and and CC 39928 463 30 III III NNP 39928 463 31 . . NNP 39928 463 32 , , , 39928 463 33 and and CC 39928 463 34 in in IN 39928 463 35 regions region NNS 39928 463 36 VII VII NNP 39928 463 37 . . NNP 39928 463 38 , , , 39928 463 39 VIII VIII NNP 39928 463 40 . . . 39928 463 41 , , , 39928 463 42 and and CC 39928 463 43 IX IX NNP 39928 463 44 . . NNP 39928 463 45 , , , 39928 463 46 may may MD 39928 463 47 be be VB 39928 463 48 said say VBN 39928 463 49 to to TO 39928 463 50 be be VB 39928 463 51 ' ' `` 39928 463 52 about about IN 39928 463 53 the the DT 39928 463 54 same same JJ 39928 463 55 , , , 39928 463 56 ' ' '' 39928 463 57 that that RB 39928 463 58 is be VBZ 39928 463 59 , , , 39928 463 60 they -PRON- PRP 39928 463 61 increase increase VBP 39928 463 62 very very RB 39928 463 63 slowly slowly RB 39928 463 64 , , , 39928 463 65 and and CC 39928 463 66 that that IN 39928 463 67 they -PRON- PRP 39928 463 68 _ _ NNP 39928 463 69 do do VBP 39928 463 70 _ _ NNP 39928 463 71 ' ' '' 39928 463 72 suddenly suddenly RB 39928 463 73 increase increase VB 39928 463 74 ' ' '' 39928 463 75 in in IN 39928 463 76 IV IV NNP 39928 463 77 . . . 39928 464 1 and and CC 39928 464 2 VI VI NNP 39928 464 3 . . . 39928 465 1 as as IN 39928 465 2 the the DT 39928 465 3 boundary boundary NN 39928 465 4 of of IN 39928 465 5 the the DT 39928 465 6 Galaxy Galaxy NNP 39928 465 7 is be VBZ 39928 465 8 approached approach VBN 39928 465 9 . . . 39928 466 1 This this DT 39928 466 2 may may MD 39928 466 3 be be VB 39928 466 4 explained explain VBN 39928 466 5 either either CC 39928 466 6 by by IN 39928 466 7 a a DT 39928 466 8 flattening flattening NN 39928 466 9 towards towards IN 39928 466 10 the the DT 39928 466 11 poles pole NNS 39928 466 12 of of IN 39928 466 13 the the DT 39928 466 14 Galaxy Galaxy NNP 39928 466 15 , , , 39928 466 16 or or CC 39928 466 17 by by IN 39928 466 18 the the DT 39928 466 19 thinning thinning NN 39928 466 20 out out IN 39928 466 21 of of IN 39928 466 22 stars star NNS 39928 466 23 in in IN 39928 466 24 that that DT 39928 466 25 direction direction NN 39928 466 26 . . . 39928 467 1 In in IN 39928 467 2 order order NN 39928 467 3 to to TO 39928 467 4 show show VB 39928 467 5 the the DT 39928 467 6 enormous enormous JJ 39928 467 7 difference difference NN 39928 467 8 of of IN 39928 467 9 star star NN 39928 467 10 - - HYPH 39928 467 11 density density NN 39928 467 12 in in IN 39928 467 13 the the DT 39928 467 14 Galaxy Galaxy NNP 39928 467 15 and and CC 39928 467 16 at at IN 39928 467 17 the the DT 39928 467 18 galactic galactic JJ 39928 467 19 poles pole NNS 39928 467 20 , , , 39928 467 21 Professor Professor NNP 39928 467 22 Newcomb Newcomb NNP 39928 467 23 gives give VBZ 39928 467 24 the the DT 39928 467 25 following follow VBG 39928 467 26 table table NN 39928 467 27 of of IN 39928 467 28 the the DT 39928 467 29 Herschelian herschelian JJ 39928 467 30 gauges gauge NNS 39928 467 31 , , , 39928 467 32 on on IN 39928 467 33 which which WDT 39928 467 34 he -PRON- PRP 39928 467 35 only only RB 39928 467 36 remarks remark VBZ 39928 467 37 that that IN 39928 467 38 they -PRON- PRP 39928 467 39 show show VBP 39928 467 40 an an DT 39928 467 41 enormously enormously RB 39928 467 42 increased increase VBN 39928 467 43 density density NN 39928 467 44 in in IN 39928 467 45 the the DT 39928 467 46 galactic galactic JJ 39928 467 47 region region NN 39928 467 48 due due IN 39928 467 49 to to IN 39928 467 50 the the DT 39928 467 51 Herschels herschel NNS 39928 467 52 having have VBG 39928 467 53 counted count VBN 39928 467 54 so so RB 39928 467 55 many many JJ 39928 467 56 more more JJR 39928 467 57 stars star NNS 39928 467 58 there there RB 39928 467 59 than than IN 39928 467 60 any any DT 39928 467 61 other other JJ 39928 467 62 observers observer NNS 39928 467 63 . . . 39928 468 1 + + NFP 39928 468 2 -----------+----+----+----+----+-----+-----+-----+-----+-----+ -----------+----+----+----+----+-----+-----+-----+-----+-----+ NNP 39928 468 3 |Region |region NN 39928 468 4 , , , 39928 468 5 .| .| . 39928 468 6 I. i. NN 39928 469 1 | | NNS 39928 469 2 II.|III.| II.|III.| VBZ 39928 469 3 IV.| IV.| NNP 39928 469 4 V. V. NNP 39928 469 5 | | NNP 39928 469 6 VI VI NNP 39928 469 7 . . . 39928 470 1 | | NNP 39928 470 2 VII.|VIII.| VII.|VIII.| NNP 39928 470 3 IX IX NNP 39928 470 4 . . . 39928 471 1 | | NNP 39928 471 2 | | CD 39928 471 3 | | CD 39928 471 4 | | CD 39928 471 5 | | CD 39928 471 6 | | CD 39928 471 7 | | CD 39928 471 8 | | CD 39928 471 9 | | CD 39928 471 10 | | CD 39928 471 11 | | CD 39928 471 12 | | CD 39928 471 13 |Density |Density NNS 39928 471 14 , , , 39928 471 15 .|107 .|107 . 39928 471 16 |154 |154 PRP$ 39928 471 17 |281 |281 NNP 39928 471 18 |560 |560 JJ 39928 471 19 |2,019| |2,019| CD 39928 471 20 672 672 CD 39928 471 21 | | CD 39928 471 22 261 261 CD 39928 471 23 | | CD 39928 471 24 154 154 CD 39928 471 25 | | CD 39928 471 26 111 111 CD 39928 471 27 | | CD 39928 471 28 + + SYM 39928 471 29 -----------+----+----+----+----+-----+-----+-----+-----+-----+ -----------+----+----+----+----+-----+-----+-----+-----+-----+ NFP 39928 471 30 [ [ -LRB- 39928 471 31 Illustration illustration NN 39928 471 32 : : : 39928 471 33 DIAGRAM DIAGRAM NNP 39928 471 34 OF of IN 39928 471 35 STAR STAR NNP 39928 471 36 - - HYPH 39928 471 37 DENSITY DENSITY NNP 39928 471 38 From from IN 39928 471 39 a a DT 39928 471 40 table table NN 39928 471 41 in in IN 39928 471 42 _ _ NNP 39928 471 43 The the DT 39928 471 44 Stars Stars NNPS 39928 471 45 _ _ NNP 39928 471 46 ( ( -LRB- 39928 471 47 p. p. NN 39928 472 1 249 249 CD 39928 472 2 ) ) -RRB- 39928 472 3 . . . 39928 472 4 ] ] -RRB- 39928 473 1 But but CC 39928 473 2 an an DT 39928 473 3 important important JJ 39928 473 4 characteristic characteristic NN 39928 473 5 of of IN 39928 473 6 these these DT 39928 473 7 figures figure NNS 39928 473 8 is be VBZ 39928 473 9 , , , 39928 473 10 that that IN 39928 473 11 the the DT 39928 473 12 Herschels herschel NNS 39928 473 13 alone alone RB 39928 473 14 surveyed survey VBD 39928 473 15 the the DT 39928 473 16 whole whole NN 39928 473 17 of of IN 39928 473 18 the the DT 39928 473 19 heavens heavens NNPS 39928 473 20 from from IN 39928 473 21 the the DT 39928 473 22 north north NN 39928 473 23 to to IN 39928 473 24 the the DT 39928 473 25 south south NNP 39928 473 26 pole pole NNP 39928 473 27 , , , 39928 473 28 that that IN 39928 473 29 they -PRON- PRP 39928 473 30 did do VBD 39928 473 31 this this DT 39928 473 32 with with IN 39928 473 33 instruments instrument NNS 39928 473 34 of of IN 39928 473 35 the the DT 39928 473 36 same same JJ 39928 473 37 size size NN 39928 473 38 and and CC 39928 473 39 quality quality NN 39928 473 40 , , , 39928 473 41 and and CC 39928 473 42 that that IN 39928 473 43 from from IN 39928 473 44 almost almost RB 39928 473 45 life life NN 39928 473 46 - - HYPH 39928 473 47 long long JJ 39928 473 48 experience experience NN 39928 473 49 in in IN 39928 473 50 this this DT 39928 473 51 particular particular JJ 39928 473 52 work work NN 39928 473 53 they -PRON- PRP 39928 473 54 were be VBD 39928 473 55 unrivalled unrivalled JJ 39928 473 56 in in IN 39928 473 57 their -PRON- PRP$ 39928 473 58 power power NN 39928 473 59 of of IN 39928 473 60 counting count VBG 39928 473 61 rapidly rapidly RB 39928 473 62 and and CC 39928 473 63 accurately accurately RB 39928 473 64 the the DT 39928 473 65 stars star NNS 39928 473 66 that that WDT 39928 473 67 passed pass VBD 39928 473 68 over over RP 39928 473 69 each each DT 39928 473 70 field field NN 39928 473 71 of of IN 39928 473 72 view view NN 39928 473 73 of of IN 39928 473 74 their -PRON- PRP$ 39928 473 75 telescopes telescope NNS 39928 473 76 . . . 39928 474 1 Their -PRON- PRP$ 39928 474 2 results result NNS 39928 474 3 , , , 39928 474 4 therefore therefore RB 39928 474 5 , , , 39928 474 6 must must MD 39928 474 7 be be VB 39928 474 8 held hold VBN 39928 474 9 to to TO 39928 474 10 have have VB 39928 474 11 a a DT 39928 474 12 comparative comparative JJ 39928 474 13 value value NN 39928 474 14 far far RB 39928 474 15 above above IN 39928 474 16 those those DT 39928 474 17 of of IN 39928 474 18 any any DT 39928 474 19 other other JJ 39928 474 20 observer observer NN 39928 474 21 or or CC 39928 474 22 combination combination NN 39928 474 23 of of IN 39928 474 24 observers observer NNS 39928 474 25 . . . 39928 475 1 I -PRON- PRP 39928 475 2 have have VBP 39928 475 3 therefore therefore RB 39928 475 4 thought think VBN 39928 475 5 it -PRON- PRP 39928 475 6 advisable advisable JJ 39928 475 7 to to TO 39928 475 8 draw draw VB 39928 475 9 a a DT 39928 475 10 diagram diagram NN 39928 475 11 from from IN 39928 475 12 their -PRON- PRP$ 39928 475 13 figures figure NNS 39928 475 14 , , , 39928 475 15 and and CC 39928 475 16 it -PRON- PRP 39928 475 17 will will MD 39928 475 18 be be VB 39928 475 19 seen see VBN 39928 475 20 how how WRB 39928 475 21 strikingly strikingly RB 39928 475 22 it -PRON- PRP 39928 475 23 agrees agree VBZ 39928 475 24 with with IN 39928 475 25 the the DT 39928 475 26 former former JJ 39928 475 27 diagram diagram NN 39928 475 28 in in IN 39928 475 29 the the DT 39928 475 30 very very RB 39928 475 31 slow slow JJ 39928 475 32 increase increase NN 39928 475 33 of of IN 39928 475 34 star star NN 39928 475 35 - - HYPH 39928 475 36 richness richness NN 39928 475 37 in in IN 39928 475 38 the the DT 39928 475 39 first first JJ 39928 475 40 three three CD 39928 475 41 regions region NNS 39928 475 42 north north NN 39928 475 43 and and CC 39928 475 44 south south NN 39928 475 45 , , , 39928 475 46 the the DT 39928 475 47 sudden sudden JJ 39928 475 48 increase increase NN 39928 475 49 in in IN 39928 475 50 regions region NNS 39928 475 51 IV IV NNP 39928 475 52 . . . 39928 476 1 and and CC 39928 476 2 VI VI NNP 39928 476 3 . . . 39928 477 1 as as IN 39928 477 2 we -PRON- PRP 39928 477 3 approach approach VBP 39928 477 4 the the DT 39928 477 5 Galaxy Galaxy NNP 39928 477 6 , , , 39928 477 7 while while IN 39928 477 8 the the DT 39928 477 9 only only JJ 39928 477 10 marked marked JJ 39928 477 11 difference difference NN 39928 477 12 is be VBZ 39928 477 13 in in IN 39928 477 14 the the DT 39928 477 15 enormously enormously RB 39928 477 16 greater great JJR 39928 477 17 richness richness NN 39928 477 18 of of IN 39928 477 19 the the DT 39928 477 20 Galaxy Galaxy NNP 39928 477 21 itself -PRON- PRP 39928 477 22 , , , 39928 477 23 which which WDT 39928 477 24 is be VBZ 39928 477 25 an an DT 39928 477 26 undoubtedly undoubtedly RB 39928 477 27 real real JJ 39928 477 28 phenomenon phenomenon NN 39928 477 29 , , , 39928 477 30 and and CC 39928 477 31 is be VBZ 39928 477 32 brought bring VBN 39928 477 33 out out RP 39928 477 34 here here RB 39928 477 35 by by IN 39928 477 36 the the DT 39928 477 37 unrivalled unrivalled JJ 39928 477 38 observing observe VBG 39928 477 39 power power NN 39928 477 40 of of IN 39928 477 41 the the DT 39928 477 42 two two CD 39928 477 43 greatest great JJS 39928 477 44 astronomers astronomer NNS 39928 477 45 in in IN 39928 477 46 this this DT 39928 477 47 special special JJ 39928 477 48 department department NN 39928 477 49 that that WDT 39928 477 50 have have VBP 39928 477 51 ever ever RB 39928 477 52 lived live VBN 39928 477 53 . . . 39928 478 1 We -PRON- PRP 39928 478 2 shall shall MD 39928 478 3 find find VB 39928 478 4 later later RB 39928 478 5 on on IN 39928 478 6 that that DT 39928 478 7 Professor Professor NNP 39928 478 8 Newcomb Newcomb NNP 39928 478 9 himself -PRON- PRP 39928 478 10 , , , 39928 478 11 as as IN 39928 478 12 the the DT 39928 478 13 result result NN 39928 478 14 of of IN 39928 478 15 a a DT 39928 478 16 quite quite RB 39928 478 17 different different JJ 39928 478 18 inquiry inquiry NN 39928 478 19 arrives arrive VBZ 39928 478 20 at at IN 39928 478 21 a a DT 39928 478 22 result result NN 39928 478 23 in in IN 39928 478 24 accordance accordance NN 39928 478 25 with with IN 39928 478 26 these these DT 39928 478 27 diagrams diagram NNS 39928 478 28 which which WDT 39928 478 29 will will MD 39928 478 30 then then RB 39928 478 31 be be VB 39928 478 32 again again RB 39928 478 33 referred refer VBN 39928 478 34 to to IN 39928 478 35 . . . 39928 479 1 As as IN 39928 479 2 this this DT 39928 479 3 is be VBZ 39928 479 4 a a DT 39928 479 5 very very RB 39928 479 6 interesting interesting JJ 39928 479 7 subject subject NN 39928 479 8 , , , 39928 479 9 it -PRON- PRP 39928 479 10 will will MD 39928 479 11 be be VB 39928 479 12 well well JJ 39928 479 13 to to TO 39928 479 14 give give VB 39928 479 15 another another DT 39928 479 16 diagram diagram NN 39928 479 17 from from IN 39928 479 18 two two CD 39928 479 19 tables table NNS 39928 479 20 of of IN 39928 479 21 star star NN 39928 479 22 - - HYPH 39928 479 23 density density NN 39928 479 24 in in IN 39928 479 25 Sir Sir NNP 39928 479 26 John John NNP 39928 479 27 Herschel Herschel NNP 39928 479 28 's 's POS 39928 479 29 volume volume NN 39928 479 30 already already RB 39928 479 31 quoted quote VBN 39928 479 32 . . . 39928 480 1 The the DT 39928 480 2 tables table NNS 39928 480 3 are be VBP 39928 480 4 as as IN 39928 480 5 follows:-- follows:-- ADD 39928 480 6 Zones zone NNS 39928 480 7 of of IN 39928 480 8 Galactic Galactic NNP 39928 480 9 Average average JJ 39928 480 10 number number NN 39928 480 11 of of IN 39928 480 12 Star Star NNP 39928 480 13 North North NNP 39928 480 14 Polar Polar NNP 39928 480 15 Distance Distance NNP 39928 480 16 . . . 39928 481 1 per per IN 39928 481 2 Field Field NNP 39928 481 3 of of IN 39928 481 4 15 15 CD 39928 481 5 ' ' '' 39928 481 6 . . . 39928 482 1 0 0 CD 39928 482 2 ° ° NNS 39928 482 3 to to IN 39928 482 4 15 15 CD 39928 482 5 ° ° , 39928 482 6 4.32 4.32 CD 39928 482 7 15 15 CD 39928 482 8 ° ° NNS 39928 482 9 to to IN 39928 482 10 30 30 CD 39928 482 11 ° ° , 39928 482 12 5.42 5.42 CD 39928 482 13 30 30 CD 39928 482 14 ° ° NNS 39928 482 15 to to IN 39928 482 16 45 45 CD 39928 482 17 ° ° NNS 39928 482 18 8.21 8.21 CD 39928 482 19 45 45 CD 39928 482 20 ° ° NNS 39928 482 21 to to IN 39928 482 22 60 60 CD 39928 482 23 ° ° , 39928 482 24 13.61 13.61 CD 39928 482 25 60 60 CD 39928 482 26 ° ° NNS 39928 482 27 to to IN 39928 482 28 75 75 CD 39928 482 29 ° ° , 39928 482 30 24.09 24.09 CD 39928 482 31 75 75 CD 39928 482 32 ° ° NNS 39928 482 33 to to IN 39928 482 34 90 90 CD 39928 482 35 ° ° , 39928 482 36 53.43 53.43 CD 39928 482 37 Zones zone NNS 39928 482 38 of of IN 39928 482 39 Galactic galactic JJ 39928 482 40 Average average JJ 39928 482 41 number number NN 39928 482 42 of of IN 39928 482 43 Stars Stars NNP 39928 482 44 South South NNP 39928 482 45 Polar Polar NNP 39928 482 46 Distance Distance NNP 39928 482 47 . . . 39928 483 1 per per IN 39928 483 2 Field Field NNP 39928 483 3 of of IN 39928 483 4 15 15 CD 39928 483 5 ' ' '' 39928 483 6 . . . 39928 484 1 0 0 CD 39928 484 2 ° ° NNS 39928 484 3 to to IN 39928 484 4 15 15 CD 39928 484 5 ° ° , 39928 484 6 6.05 6.05 CD 39928 484 7 15 15 CD 39928 484 8 ° ° NNS 39928 484 9 to to IN 39928 484 10 30 30 CD 39928 484 11 ° ° , 39928 484 12 6.62 6.62 CD 39928 484 13 30 30 CD 39928 484 14 ° ° NNS 39928 484 15 to to IN 39928 484 16 45 45 CD 39928 484 17 ° ° NNS 39928 484 18 9.08 9.08 CD 39928 484 19 45 45 CD 39928 484 20 ° ° NNS 39928 484 21 to to IN 39928 484 22 60 60 CD 39928 484 23 ° ° , 39928 484 24 13.49 13.49 CD 39928 484 25 60 60 CD 39928 484 26 ° ° NNS 39928 484 27 to to IN 39928 484 28 75 75 CD 39928 484 29 ° ° , 39928 484 30 26.29 26.29 CD 39928 484 31 75 75 CD 39928 484 32 ° ° NNS 39928 484 33 to to IN 39928 484 34 90 90 CD 39928 484 35 ° ° , 39928 484 36 59.06 59.06 CD 39928 484 37 In in IN 39928 484 38 these these DT 39928 484 39 tables table NNS 39928 484 40 the the DT 39928 484 41 Milky Milky NNP 39928 484 42 Way Way NNP 39928 484 43 itself -PRON- PRP 39928 484 44 is be VBZ 39928 484 45 taken take VBN 39928 484 46 as as IN 39928 484 47 occupying occupy VBG 39928 484 48 two two CD 39928 484 49 zones zone NNS 39928 484 50 of of IN 39928 484 51 15 15 CD 39928 484 52 ° ° NNS 39928 484 53 each each DT 39928 484 54 , , , 39928 484 55 instead instead RB 39928 484 56 of of IN 39928 484 57 one one CD 39928 484 58 of of IN 39928 484 59 20 20 CD 39928 484 60 ° ° NNS 39928 484 61 as as IN 39928 484 62 in in IN 39928 484 63 Professor Professor NNP 39928 484 64 Newcomb Newcomb NNP 39928 484 65 's 's POS 39928 484 66 tables table NNS 39928 484 67 , , , 39928 484 68 so so IN 39928 484 69 that that IN 39928 484 70 the the DT 39928 484 71 excess excess NN 39928 484 72 in in IN 39928 484 73 the the DT 39928 484 74 number number NN 39928 484 75 of of IN 39928 484 76 stars star NNS 39928 484 77 over over IN 39928 484 78 the the DT 39928 484 79 other other JJ 39928 484 80 zones zone NNS 39928 484 81 is be VBZ 39928 484 82 not not RB 39928 484 83 so so RB 39928 484 84 large large JJ 39928 484 85 . . . 39928 485 1 They -PRON- PRP 39928 485 2 show show VBP 39928 485 3 also also RB 39928 485 4 a a DT 39928 485 5 slight slight JJ 39928 485 6 preponderance preponderance NN 39928 485 7 in in IN 39928 485 8 all all PDT 39928 485 9 the the DT 39928 485 10 zones zone NNS 39928 485 11 of of IN 39928 485 12 the the DT 39928 485 13 southern southern JJ 39928 485 14 hemisphere hemisphere NN 39928 485 15 , , , 39928 485 16 but but CC 39928 485 17 this this DT 39928 485 18 is be VBZ 39928 485 19 not not RB 39928 485 20 great great JJ 39928 485 21 , , , 39928 485 22 and and CC 39928 485 23 may may MD 39928 485 24 probably probably RB 39928 485 25 be be VB 39928 485 26 due due IN 39928 485 27 to to IN 39928 485 28 the the DT 39928 485 29 clearer clear JJR 39928 485 30 atmosphere atmosphere NN 39928 485 31 of of IN 39928 485 32 the the DT 39928 485 33 Cape Cape NNP 39928 485 34 of of IN 39928 485 35 Good Good NNP 39928 485 36 Hope Hope NNP 39928 485 37 as as IN 39928 485 38 compared compare VBN 39928 485 39 with with IN 39928 485 40 that that DT 39928 485 41 of of IN 39928 485 42 England England NNP 39928 485 43 . . . 39928 486 1 [ [ -LRB- 39928 486 2 Illustration illustration NN 39928 486 3 : : : 39928 486 4 DIAGRAM diagram NN 39928 486 5 OF of IN 39928 486 6 STAR STAR NNP 39928 486 7 - - HYPH 39928 486 8 DENSITY DENSITY NNP 39928 486 9 . . . 39928 487 1 From from IN 39928 487 2 Table Table NNP 39928 487 3 in in IN 39928 487 4 Sir Sir NNP 39928 487 5 J. J. NNP 39928 487 6 Herschel Herschel NNP 39928 487 7 's 's POS 39928 487 8 _ _ NNP 39928 487 9 Outlines Outlines NNP 39928 487 10 of of IN 39928 487 11 Astronomy Astronomy NNP 39928 487 12 _ _ NNP 39928 487 13 ( ( -LRB- 39928 487 14 10th 10th NNP 39928 487 15 ed ed NNP 39928 487 16 . . NNP 39928 487 17 , , , 39928 487 18 pp pp NNP 39928 487 19 . . . 39928 488 1 577 577 CD 39928 488 2 - - SYM 39928 488 3 578 578 CD 39928 488 4 ) ) -RRB- 39928 488 5 . . . 39928 488 6 ] ] -RRB- 39928 489 1 It -PRON- PRP 39928 489 2 need nee MD 39928 489 3 only only RB 39928 489 4 be be VB 39928 489 5 noted note VBN 39928 489 6 here here RB 39928 489 7 that that IN 39928 489 8 this this DT 39928 489 9 diagram diagram NN 39928 489 10 shows show VBZ 39928 489 11 the the DT 39928 489 12 same same JJ 39928 489 13 general general JJ 39928 489 14 features feature NNS 39928 489 15 as as IN 39928 489 16 those those DT 39928 489 17 already already RB 39928 489 18 given give VBN 39928 489 19 , , , 39928 489 20 of of IN 39928 489 21 a a DT 39928 489 22 continuous continuous JJ 39928 489 23 increase increase NN 39928 489 24 of of IN 39928 489 25 star star NN 39928 489 26 - - HYPH 39928 489 27 density density NN 39928 489 28 from from IN 39928 489 29 the the DT 39928 489 30 poles pole NNS 39928 489 31 of of IN 39928 489 32 the the DT 39928 489 33 Galaxy Galaxy NNP 39928 489 34 , , , 39928 489 35 but but CC 39928 489 36 more more RBR 39928 489 37 rapidly rapidly RB 39928 489 38 as as IN 39928 489 39 the the DT 39928 489 40 Galaxy Galaxy NNP 39928 489 41 itself -PRON- PRP 39928 489 42 is be VBZ 39928 489 43 more more RBR 39928 489 44 nearly nearly RB 39928 489 45 approached approach VBN 39928 489 46 . . . 39928 490 1 This this DT 39928 490 2 fact fact NN 39928 490 3 must must MD 39928 490 4 , , , 39928 490 5 therefore therefore RB 39928 490 6 , , , 39928 490 7 be be VB 39928 490 8 accepted accept VBN 39928 490 9 as as IN 39928 490 10 indisputable indisputable JJ 39928 490 11 . . . 39928 491 1 CLUSTERS cluster NNS 39928 491 2 AND and CC 39928 491 3 NEBULÆ NEBULÆ VBN 39928 491 4 IN in IN 39928 491 5 RELATION relation NN 39928 491 6 TO to IN 39928 491 7 THE the DT 39928 491 8 GALAXY GALAXY NNP 39928 491 9 An an DT 39928 491 10 important important JJ 39928 491 11 factor factor NN 39928 491 12 in in IN 39928 491 13 the the DT 39928 491 14 structure structure NN 39928 491 15 of of IN 39928 491 16 the the DT 39928 491 17 heavens heaven NNS 39928 491 18 is be VBZ 39928 491 19 afforded afford VBN 39928 491 20 by by IN 39928 491 21 the the DT 39928 491 22 distribution distribution NN 39928 491 23 of of IN 39928 491 24 the the DT 39928 491 25 two two CD 39928 491 26 classes class NNS 39928 491 27 of of IN 39928 491 28 objects object NNS 39928 491 29 known know VBN 39928 491 30 as as IN 39928 491 31 clusters cluster NNS 39928 491 32 and and CC 39928 491 33 nebulæ nebulæ NN 39928 491 34 . . . 39928 492 1 Although although IN 39928 492 2 we -PRON- PRP 39928 492 3 can can MD 39928 492 4 form form VB 39928 492 5 an an DT 39928 492 6 almost almost RB 39928 492 7 continuous continuous JJ 39928 492 8 series series NN 39928 492 9 from from IN 39928 492 10 double double JJ 39928 492 11 stars star NNS 39928 492 12 which which WDT 39928 492 13 revolve revolve VBP 39928 492 14 round round IN 39928 492 15 their -PRON- PRP$ 39928 492 16 common common JJ 39928 492 17 centre centre NN 39928 492 18 of of IN 39928 492 19 gravity gravity NN 39928 492 20 , , , 39928 492 21 through through IN 39928 492 22 triple triple JJ 39928 492 23 and and CC 39928 492 24 quadruple quadruple JJ 39928 492 25 stars star NNS 39928 492 26 , , , 39928 492 27 to to IN 39928 492 28 groups group NNS 39928 492 29 and and CC 39928 492 30 aggregations aggregation NNS 39928 492 31 of of IN 39928 492 32 indefinite indefinite JJ 39928 492 33 extent extent NN 39928 492 34 -- -- : 39928 492 35 of of IN 39928 492 36 which which WDT 39928 492 37 the the DT 39928 492 38 Pleiades Pleiades NNPS 39928 492 39 form form VBP 39928 492 40 a a DT 39928 492 41 good good JJ 39928 492 42 example example NN 39928 492 43 , , , 39928 492 44 since since IN 39928 492 45 the the DT 39928 492 46 six six CD 39928 492 47 stars star NNS 39928 492 48 visible visible JJ 39928 492 49 to to IN 39928 492 50 the the DT 39928 492 51 naked naked JJ 39928 492 52 eye eye NN 39928 492 53 are be VBP 39928 492 54 increased increase VBN 39928 492 55 to to IN 39928 492 56 hundreds hundred NNS 39928 492 57 by by IN 39928 492 58 high high JJ 39928 492 59 telescopic telescopic NN 39928 492 60 powers power NNS 39928 492 61 , , , 39928 492 62 while while IN 39928 492 63 photographs photograph NNS 39928 492 64 with with IN 39928 492 65 three three CD 39928 492 66 hours hour NNS 39928 492 67 ' ' POS 39928 492 68 exposure exposure NN 39928 492 69 show show NN 39928 492 70 more more JJR 39928 492 71 than than IN 39928 492 72 2000 2000 CD 39928 492 73 stars star NNS 39928 492 74 -- -- : 39928 492 75 yet yet CC 39928 492 76 none none NN 39928 492 77 of of IN 39928 492 78 these these DT 39928 492 79 correspond correspond VBP 39928 492 80 to to IN 39928 492 81 the the DT 39928 492 82 large large JJ 39928 492 83 class class NN 39928 492 84 known know VBN 39928 492 85 as as IN 39928 492 86 clusters cluster NNS 39928 492 87 , , , 39928 492 88 whether whether IN 39928 492 89 globular globular JJ 39928 492 90 or or CC 39928 492 91 irregular irregular JJ 39928 492 92 , , , 39928 492 93 which which WDT 39928 492 94 are be VBP 39928 492 95 very very RB 39928 492 96 numerous numerous JJ 39928 492 97 , , , 39928 492 98 about about RB 39928 492 99 600 600 CD 39928 492 100 having have VBG 39928 492 101 been be VBN 39928 492 102 recorded record VBN 39928 492 103 by by IN 39928 492 104 Sir Sir NNP 39928 492 105 John John NNP 39928 492 106 Herschel Herschel NNP 39928 492 107 more more JJR 39928 492 108 than than IN 39928 492 109 fifty fifty CD 39928 492 110 years year NNS 39928 492 111 ago ago RB 39928 492 112 . . . 39928 493 1 Many many JJ 39928 493 2 of of IN 39928 493 3 these these DT 39928 493 4 are be VBP 39928 493 5 among among IN 39928 493 6 the the DT 39928 493 7 most most RBS 39928 493 8 beautiful beautiful JJ 39928 493 9 and and CC 39928 493 10 striking striking JJ 39928 493 11 objects object NNS 39928 493 12 in in IN 39928 493 13 the the DT 39928 493 14 heavens heavens NNPS 39928 493 15 even even RB 39928 493 16 with with IN 39928 493 17 a a DT 39928 493 18 very very RB 39928 493 19 small small JJ 39928 493 20 telescope telescope NN 39928 493 21 or or CC 39928 493 22 good good JJ 39928 493 23 opera opera NN 39928 493 24 - - HYPH 39928 493 25 glass glass NN 39928 493 26 . . . 39928 494 1 Such such JJ 39928 494 2 is be VBZ 39928 494 3 the the DT 39928 494 4 luminous luminous JJ 39928 494 5 spot spot NN 39928 494 6 called call VBN 39928 494 7 Praesepe Praesepe NNP 39928 494 8 , , , 39928 494 9 or or CC 39928 494 10 the the DT 39928 494 11 Beehive Beehive NNP 39928 494 12 in in IN 39928 494 13 the the DT 39928 494 14 constellation constellation NN 39928 494 15 Cancer Cancer NNP 39928 494 16 , , , 39928 494 17 and and CC 39928 494 18 another another DT 39928 494 19 in in IN 39928 494 20 the the DT 39928 494 21 sword sword NN 39928 494 22 handle handle NN 39928 494 23 of of IN 39928 494 24 Perseus Perseus NNP 39928 494 25 . . . 39928 495 1 In in IN 39928 495 2 the the DT 39928 495 3 southern southern JJ 39928 495 4 hemisphere hemisphere NN 39928 495 5 there there EX 39928 495 6 is be VBZ 39928 495 7 a a DT 39928 495 8 hazy hazy JJ 39928 495 9 star star NN 39928 495 10 of of IN 39928 495 11 about about RB 39928 495 12 the the DT 39928 495 13 fourth fourth JJ 39928 495 14 magnitude magnitude NN 39928 495 15 , , , 39928 495 16 Omega Omega NNP 39928 495 17 Centauri Centauri NNP 39928 495 18 , , , 39928 495 19 which which WDT 39928 495 20 with with IN 39928 495 21 a a DT 39928 495 22 good good JJ 39928 495 23 telescope telescope NN 39928 495 24 is be VBZ 39928 495 25 seen see VBN 39928 495 26 to to TO 39928 495 27 be be VB 39928 495 28 really really RB 39928 495 29 a a DT 39928 495 30 magnificent magnificent JJ 39928 495 31 cluster cluster NN 39928 495 32 nearly nearly RB 39928 495 33 two two CD 39928 495 34 - - HYPH 39928 495 35 thirds third NNS 39928 495 36 the the DT 39928 495 37 diameter diameter NN 39928 495 38 of of IN 39928 495 39 the the DT 39928 495 40 moon moon NN 39928 495 41 , , , 39928 495 42 and and CC 39928 495 43 described describe VBN 39928 495 44 by by IN 39928 495 45 Sir Sir NNP 39928 495 46 John John NNP 39928 495 47 Herschel Herschel NNP 39928 495 48 as as RB 39928 495 49 very very RB 39928 495 50 gradually gradually RB 39928 495 51 increasing increase VBG 39928 495 52 in in IN 39928 495 53 brightness brightness NN 39928 495 54 to to IN 39928 495 55 the the DT 39928 495 56 centre centre NN 39928 495 57 , , , 39928 495 58 and and CC 39928 495 59 composed compose VBN 39928 495 60 of of IN 39928 495 61 innumerable innumerable JJ 39928 495 62 stars star NNS 39928 495 63 of of IN 39928 495 64 the the DT 39928 495 65 thirteenth thirteenth JJ 39928 495 66 and and CC 39928 495 67 fifteenth fifteenth JJ 39928 495 68 magnitudes magnitude NNS 39928 495 69 , , , 39928 495 70 forming form VBG 39928 495 71 the the DT 39928 495 72 richest rich JJS 39928 495 73 and and CC 39928 495 74 largest large JJS 39928 495 75 object object NN 39928 495 76 of of IN 39928 495 77 the the DT 39928 495 78 kind kind NN 39928 495 79 in in IN 39928 495 80 the the DT 39928 495 81 heavens heavens NNPS 39928 495 82 . . . 39928 496 1 He -PRON- PRP 39928 496 2 describes describe VBZ 39928 496 3 it -PRON- PRP 39928 496 4 as as IN 39928 496 5 having have VBG 39928 496 6 rings ring NNS 39928 496 7 like like IN 39928 496 8 lace lace NN 39928 496 9 - - HYPH 39928 496 10 work work NN 39928 496 11 formed form VBN 39928 496 12 of of IN 39928 496 13 the the DT 39928 496 14 larger large JJR 39928 496 15 stars star NNS 39928 496 16 . . . 39928 497 1 By by IN 39928 497 2 actual actual JJ 39928 497 3 count count NN 39928 497 4 , , , 39928 497 5 on on IN 39928 497 6 a a DT 39928 497 7 good good JJ 39928 497 8 photograph photograph NN 39928 497 9 , , , 39928 497 10 there there EX 39928 497 11 are be VBP 39928 497 12 more more JJR 39928 497 13 than than IN 39928 497 14 6000 6000 CD 39928 497 15 stars star NNS 39928 497 16 , , , 39928 497 17 while while IN 39928 497 18 other other JJ 39928 497 19 observers observer NNS 39928 497 20 consider consider VBP 39928 497 21 that that IN 39928 497 22 there there EX 39928 497 23 are be VBP 39928 497 24 at at RB 39928 497 25 least least RBS 39928 497 26 10,000 10,000 CD 39928 497 27 . . . 39928 498 1 In in IN 39928 498 2 the the DT 39928 498 3 northern northern JJ 39928 498 4 hemisphere hemisphere NN 39928 498 5 one one CD 39928 498 6 of of IN 39928 498 7 the the DT 39928 498 8 finest fine JJS 39928 498 9 is be VBZ 39928 498 10 that that IN 39928 498 11 in in IN 39928 498 12 the the DT 39928 498 13 constellation constellation NN 39928 498 14 Hercules Hercules NNP 39928 498 15 , , , 39928 498 16 known know VBN 39928 498 17 as as IN 39928 498 18 13 13 CD 39928 498 19 Messier Messier NNP 39928 498 20 . . . 39928 499 1 It -PRON- PRP 39928 499 2 is be VBZ 39928 499 3 just just RB 39928 499 4 visible visible JJ 39928 499 5 to to IN 39928 499 6 the the DT 39928 499 7 naked naked JJ 39928 499 8 eye eye NN 39928 499 9 or or CC 39928 499 10 with with IN 39928 499 11 an an DT 39928 499 12 opera opera NN 39928 499 13 glass glass NN 39928 499 14 as as IN 39928 499 15 a a DT 39928 499 16 hazy hazy JJ 39928 499 17 star star NN 39928 499 18 of of IN 39928 499 19 the the DT 39928 499 20 sixth sixth JJ 39928 499 21 magnitude magnitude NN 39928 499 22 , , , 39928 499 23 but but CC 39928 499 24 a a DT 39928 499 25 good good JJ 39928 499 26 telescope telescope NN 39928 499 27 shows show VBZ 39928 499 28 it -PRON- PRP 39928 499 29 to to TO 39928 499 30 be be VB 39928 499 31 a a DT 39928 499 32 globular globular JJ 39928 499 33 cluster cluster NN 39928 499 34 , , , 39928 499 35 and and CC 39928 499 36 the the DT 39928 499 37 great great JJ 39928 499 38 Lick Lick NNP 39928 499 39 telescope telescope NN 39928 499 40 resolves resolve VBZ 39928 499 41 even even RB 39928 499 42 the the DT 39928 499 43 densest dense JJS 39928 499 44 central central JJ 39928 499 45 portion portion NN 39928 499 46 into into IN 39928 499 47 distinct distinct JJ 39928 499 48 stars star NNS 39928 499 49 , , , 39928 499 50 of of IN 39928 499 51 which which WDT 39928 499 52 Sir Sir NNP 39928 499 53 John John NNP 39928 499 54 Herschel Herschel NNP 39928 499 55 considered consider VBD 39928 499 56 there there EX 39928 499 57 were be VBD 39928 499 58 many many JJ 39928 499 59 thousands thousand NNS 39928 499 60 . . . 39928 500 1 These these DT 39928 500 2 two two CD 39928 500 3 fine fine JJ 39928 500 4 clusters cluster NNS 39928 500 5 are be VBP 39928 500 6 figured figure VBN 39928 500 7 in in IN 39928 500 8 many many JJ 39928 500 9 of of IN 39928 500 10 the the DT 39928 500 11 modern modern JJ 39928 500 12 popular popular JJ 39928 500 13 works work NNS 39928 500 14 on on IN 39928 500 15 astronomy astronomy NN 39928 500 16 , , , 39928 500 17 and and CC 39928 500 18 they -PRON- PRP 39928 500 19 afford afford VBP 39928 500 20 an an DT 39928 500 21 excellent excellent JJ 39928 500 22 idea idea NN 39928 500 23 of of IN 39928 500 24 these these DT 39928 500 25 beautiful beautiful JJ 39928 500 26 and and CC 39928 500 27 remarkable remarkable JJ 39928 500 28 objects object NNS 39928 500 29 , , , 39928 500 30 which which WDT 39928 500 31 , , , 39928 500 32 when when WRB 39928 500 33 more more RBR 39928 500 34 thoroughly thoroughly RB 39928 500 35 studied study VBN 39928 500 36 , , , 39928 500 37 will will MD 39928 500 38 probably probably RB 39928 500 39 aid aid VB 39928 500 40 in in IN 39928 500 41 elucidating elucidate VBG 39928 500 42 some some DT 39928 500 43 of of IN 39928 500 44 the the DT 39928 500 45 obscure obscure JJ 39928 500 46 problems problem NNS 39928 500 47 connected connect VBN 39928 500 48 with with IN 39928 500 49 the the DT 39928 500 50 constitution constitution NN 39928 500 51 and and CC 39928 500 52 development development NN 39928 500 53 of of IN 39928 500 54 the the DT 39928 500 55 stellar stellar JJ 39928 500 56 universe universe NN 39928 500 57 . . . 39928 501 1 But but CC 39928 501 2 for for IN 39928 501 3 the the DT 39928 501 4 purpose purpose NN 39928 501 5 of of IN 39928 501 6 the the DT 39928 501 7 present present JJ 39928 501 8 work work NN 39928 501 9 the the DT 39928 501 10 most most RBS 39928 501 11 interesting interesting JJ 39928 501 12 fact fact NN 39928 501 13 connected connect VBN 39928 501 14 with with IN 39928 501 15 star star NN 39928 501 16 - - HYPH 39928 501 17 clusters cluster NNS 39928 501 18 is be VBZ 39928 501 19 their -PRON- PRP$ 39928 501 20 remarkable remarkable JJ 39928 501 21 distribution distribution NN 39928 501 22 in in IN 39928 501 23 the the DT 39928 501 24 heavens heavens NNPS 39928 501 25 . . . 39928 502 1 Their -PRON- PRP$ 39928 502 2 special special JJ 39928 502 3 abundance abundance NN 39928 502 4 in in IN 39928 502 5 and and CC 39928 502 6 near near IN 39928 502 7 the the DT 39928 502 8 Milky Milky NNP 39928 502 9 Way Way NNP 39928 502 10 had have VBD 39928 502 11 often often RB 39928 502 12 been be VBN 39928 502 13 noted note VBN 39928 502 14 , , , 39928 502 15 but but CC 39928 502 16 the the DT 39928 502 17 full full JJ 39928 502 18 importance importance NN 39928 502 19 of of IN 39928 502 20 the the DT 39928 502 21 fact fact NN 39928 502 22 could could MD 39928 502 23 not not RB 39928 502 24 be be VB 39928 502 25 appreciated appreciate VBN 39928 502 26 till till IN 39928 502 27 Mr. Mr. NNP 39928 502 28 Proctor Proctor NNP 39928 502 29 and and CC 39928 502 30 , , , 39928 502 31 later later RB 39928 502 32 , , , 39928 502 33 Mr. Mr. NNP 39928 502 34 Sidney Sidney NNP 39928 502 35 Waters Waters NNPS 39928 502 36 marked mark VBD 39928 502 37 down down RP 39928 502 38 , , , 39928 502 39 on on IN 39928 502 40 maps map NNS 39928 502 41 of of IN 39928 502 42 the the DT 39928 502 43 two two CD 39928 502 44 hemispheres hemisphere NNS 39928 502 45 , , , 39928 502 46 all all PDT 39928 502 47 the the DT 39928 502 48 star star NN 39928 502 49 - - HYPH 39928 502 50 clusters cluster NNS 39928 502 51 and and CC 39928 502 52 nebulæ nebulæ NN 39928 502 53 in in IN 39928 502 54 the the DT 39928 502 55 best good JJS 39928 502 56 catalogues catalogue NNS 39928 502 57 . . . 39928 503 1 The the DT 39928 503 2 result result NN 39928 503 3 is be VBZ 39928 503 4 most most RBS 39928 503 5 interesting interesting JJ 39928 503 6 . . . 39928 504 1 The the DT 39928 504 2 clusters cluster NNS 39928 504 3 are be VBP 39928 504 4 seen see VBN 39928 504 5 to to TO 39928 504 6 be be VB 39928 504 7 thickly thickly RB 39928 504 8 strewn strew VBN 39928 504 9 over over IN 39928 504 10 the the DT 39928 504 11 entire entire JJ 39928 504 12 course course NN 39928 504 13 of of IN 39928 504 14 the the DT 39928 504 15 Milky Milky NNP 39928 504 16 Way Way NNP 39928 504 17 , , , 39928 504 18 and and CC 39928 504 19 along along IN 39928 504 20 its -PRON- PRP$ 39928 504 21 margins margin NNS 39928 504 22 , , , 39928 504 23 while while IN 39928 504 24 in in IN 39928 504 25 every every DT 39928 504 26 other other JJ 39928 504 27 part part NN 39928 504 28 of of IN 39928 504 29 the the DT 39928 504 30 heavens heaven NNS 39928 504 31 they -PRON- PRP 39928 504 32 are be VBP 39928 504 33 thinly thinly RB 39928 504 34 scattered scatter VBN 39928 504 35 at at IN 39928 504 36 very very RB 39928 504 37 distant distant JJ 39928 504 38 intervals interval NNS 39928 504 39 , , , 39928 504 40 with with IN 39928 504 41 the the DT 39928 504 42 one one CD 39928 504 43 exception exception NN 39928 504 44 of of IN 39928 504 45 the the DT 39928 504 46 Magellanic magellanic JJ 39928 504 47 clouds cloud NNS 39928 504 48 of of IN 39928 504 49 the the DT 39928 504 50 southern southern JJ 39928 504 51 hemisphere hemisphere NN 39928 504 52 where where WRB 39928 504 53 they -PRON- PRP 39928 504 54 are be VBP 39928 504 55 again again RB 39928 504 56 densely densely RB 39928 504 57 grouped group VBN 39928 504 58 ; ; : 39928 504 59 and and CC 39928 504 60 if if IN 39928 504 61 anything anything NN 39928 504 62 were be VBD 39928 504 63 needed need VBN 39928 504 64 to to TO 39928 504 65 prove prove VB 39928 504 66 the the DT 39928 504 67 physical physical JJ 39928 504 68 connection connection NN 39928 504 69 of of IN 39928 504 70 these these DT 39928 504 71 clusters cluster NNS 39928 504 72 with with IN 39928 504 73 the the DT 39928 504 74 Galaxy Galaxy NNP 39928 504 75 it -PRON- PRP 39928 504 76 would would MD 39928 504 77 be be VB 39928 504 78 their -PRON- PRP$ 39928 504 79 occurrence occurrence NN 39928 504 80 in in IN 39928 504 81 these these DT 39928 504 82 extensive extensive JJ 39928 504 83 nebulous nebulous JJ 39928 504 84 patches patch NNS 39928 504 85 which which WDT 39928 504 86 seem seem VBP 39928 504 87 like like IN 39928 504 88 outlying outlying JJ 39928 504 89 portions portion NNS 39928 504 90 of of IN 39928 504 91 the the DT 39928 504 92 Milky Milky NNP 39928 504 93 Way Way NNP 39928 504 94 itself -PRON- PRP 39928 504 95 . . . 39928 505 1 With with IN 39928 505 2 these these DT 39928 505 3 two two CD 39928 505 4 exceptions exception NNS 39928 505 5 probably probably RB 39928 505 6 not not RB 39928 505 7 one one CD 39928 505 8 - - HYPH 39928 505 9 twentieth twentieth JJ 39928 505 10 part part NN 39928 505 11 of of IN 39928 505 12 the the DT 39928 505 13 whole whole JJ 39928 505 14 number number NN 39928 505 15 of of IN 39928 505 16 star star NN 39928 505 17 - - HYPH 39928 505 18 clusters cluster NNS 39928 505 19 are be VBP 39928 505 20 found find VBN 39928 505 21 in in IN 39928 505 22 any any DT 39928 505 23 part part NN 39928 505 24 of of IN 39928 505 25 the the DT 39928 505 26 heavens heavens NNPS 39928 505 27 remote remote JJ 39928 505 28 from from IN 39928 505 29 the the DT 39928 505 30 Milky Milky NNP 39928 505 31 Way Way NNP 39928 505 32 . . . 39928 506 1 Nebulæ nebulæ NN 39928 506 2 were be VBD 39928 506 3 for for IN 39928 506 4 a a DT 39928 506 5 long long JJ 39928 506 6 time time NN 39928 506 7 confounded confound VBN 39928 506 8 with with IN 39928 506 9 star star NN 39928 506 10 - - HYPH 39928 506 11 clusters cluster NNS 39928 506 12 , , , 39928 506 13 because because IN 39928 506 14 it -PRON- PRP 39928 506 15 was be VBD 39928 506 16 thought think VBN 39928 506 17 that that IN 39928 506 18 with with IN 39928 506 19 sufficient sufficient JJ 39928 506 20 telescopic telescopic JJ 39928 506 21 power power NN 39928 506 22 they -PRON- PRP 39928 506 23 could could MD 39928 506 24 all all DT 39928 506 25 be be VB 39928 506 26 resolvable resolvable JJ 39928 506 27 into into IN 39928 506 28 stars star NNS 39928 506 29 as as IN 39928 506 30 in in IN 39928 506 31 the the DT 39928 506 32 case case NN 39928 506 33 of of IN 39928 506 34 the the DT 39928 506 35 Milky Milky NNP 39928 506 36 Way Way NNP 39928 506 37 itself -PRON- PRP 39928 506 38 . . . 39928 507 1 But but CC 39928 507 2 when when WRB 39928 507 3 the the DT 39928 507 4 spectroscope spectroscope NN 39928 507 5 showed show VBD 39928 507 6 that that IN 39928 507 7 many many JJ 39928 507 8 of of IN 39928 507 9 the the DT 39928 507 10 nebulæ nebulæ NN 39928 507 11 consisted consist VBD 39928 507 12 wholly wholly RB 39928 507 13 or or CC 39928 507 14 mainly mainly RB 39928 507 15 of of IN 39928 507 16 glowing glow VBG 39928 507 17 gases gas NNS 39928 507 18 , , , 39928 507 19 while while IN 39928 507 20 neither neither CC 39928 507 21 the the DT 39928 507 22 highest high JJS 39928 507 23 powers power NNS 39928 507 24 of of IN 39928 507 25 the the DT 39928 507 26 best good JJS 39928 507 27 telescopes telescope NNS 39928 507 28 nor nor CC 39928 507 29 the the DT 39928 507 30 still still RB 39928 507 31 greater great JJR 39928 507 32 powers power NNS 39928 507 33 of of IN 39928 507 34 the the DT 39928 507 35 photographic photographic JJ 39928 507 36 plate plate NN 39928 507 37 gave give VBD 39928 507 38 any any DT 39928 507 39 indications indication NNS 39928 507 40 of of IN 39928 507 41 resolvability resolvability NN 39928 507 42 , , , 39928 507 43 although although IN 39928 507 44 a a DT 39928 507 45 few few JJ 39928 507 46 stars star NNS 39928 507 47 were be VBD 39928 507 48 often often RB 39928 507 49 found find VBN 39928 507 50 to to TO 39928 507 51 be be VB 39928 507 52 , , , 39928 507 53 as as IN 39928 507 54 it -PRON- PRP 39928 507 55 were be VBD 39928 507 56 , , , 39928 507 57 entangled entangle VBN 39928 507 58 in in IN 39928 507 59 them -PRON- PRP 39928 507 60 , , , 39928 507 61 and and CC 39928 507 62 evidently evidently RB 39928 507 63 forming form VBG 39928 507 64 part part NN 39928 507 65 of of IN 39928 507 66 them -PRON- PRP 39928 507 67 , , , 39928 507 68 it -PRON- PRP 39928 507 69 was be VBD 39928 507 70 seen see VBN 39928 507 71 that that IN 39928 507 72 they -PRON- PRP 39928 507 73 constituted constitute VBD 39928 507 74 a a DT 39928 507 75 distinct distinct JJ 39928 507 76 stellar stellar JJ 39928 507 77 phenomenon phenomenon NN 39928 507 78 , , , 39928 507 79 a a DT 39928 507 80 view view NN 39928 507 81 which which WDT 39928 507 82 was be VBD 39928 507 83 enforced enforce VBN 39928 507 84 and and CC 39928 507 85 rendered render VBN 39928 507 86 certain certain JJ 39928 507 87 by by IN 39928 507 88 their -PRON- PRP$ 39928 507 89 quite quite RB 39928 507 90 unique unique JJ 39928 507 91 mode mode NN 39928 507 92 of of IN 39928 507 93 distribution distribution NN 39928 507 94 . . . 39928 508 1 A a DT 39928 508 2 few few JJ 39928 508 3 of of IN 39928 508 4 the the DT 39928 508 5 larger large JJR 39928 508 6 and and CC 39928 508 7 irregular irregular JJ 39928 508 8 type type NN 39928 508 9 , , , 39928 508 10 as as IN 39928 508 11 in in IN 39928 508 12 the the DT 39928 508 13 case case NN 39928 508 14 of of IN 39928 508 15 the the DT 39928 508 16 grand grand NNP 39928 508 17 Orion Orion NNP 39928 508 18 nebula nebula NN 39928 508 19 visible visible JJ 39928 508 20 to to IN 39928 508 21 the the DT 39928 508 22 naked naked JJ 39928 508 23 eye eye NN 39928 508 24 , , , 39928 508 25 the the DT 39928 508 26 great great JJ 39928 508 27 spiral spiral JJ 39928 508 28 nebula nebula NN 39928 508 29 in in IN 39928 508 30 Andromeda Andromeda NNP 39928 508 31 , , , 39928 508 32 and and CC 39928 508 33 the the DT 39928 508 34 wonderful wonderful JJ 39928 508 35 Keyhole Keyhole NNP 39928 508 36 nebula nebula NN 39928 508 37 round round NN 39928 508 38 Eta Eta NNP 39928 508 39 Argûs Argûs NNP 39928 508 40 , , , 39928 508 41 are be VBP 39928 508 42 situated situate VBN 39928 508 43 in in IN 39928 508 44 or or CC 39928 508 45 near near IN 39928 508 46 the the DT 39928 508 47 Milky Milky NNP 39928 508 48 Way Way NNP 39928 508 49 ; ; : 39928 508 50 but but CC 39928 508 51 with with IN 39928 508 52 these these DT 39928 508 53 and and CC 39928 508 54 a a DT 39928 508 55 few few JJ 39928 508 56 other other JJ 39928 508 57 exceptions exception NNS 39928 508 58 the the DT 39928 508 59 overwhelming overwhelming JJ 39928 508 60 majority majority NN 39928 508 61 of of IN 39928 508 62 the the DT 39928 508 63 smaller small JJR 39928 508 64 irresolvable irresolvable JJ 39928 508 65 nebulæ nebulæ NN 39928 508 66 appear appear VBP 39928 508 67 to to TO 39928 508 68 avoid avoid VB 39928 508 69 it -PRON- PRP 39928 508 70 , , , 39928 508 71 there there EX 39928 508 72 being be VBG 39928 508 73 a a DT 39928 508 74 space space NN 39928 508 75 almost almost RB 39928 508 76 wholly wholly RB 39928 508 77 free free JJ 39928 508 78 from from IN 39928 508 79 nebulæ nebulæ NN 39928 508 80 along along IN 39928 508 81 its -PRON- PRP$ 39928 508 82 borders border NNS 39928 508 83 , , , 39928 508 84 both both CC 39928 508 85 in in IN 39928 508 86 the the DT 39928 508 87 northern northern JJ 39928 508 88 and and CC 39928 508 89 southern southern JJ 39928 508 90 hemispheres hemisphere NNS 39928 508 91 ; ; : 39928 508 92 while while IN 39928 508 93 the the DT 39928 508 94 great great JJ 39928 508 95 majority majority NN 39928 508 96 are be VBP 39928 508 97 spread spread VBN 39928 508 98 over over IN 39928 508 99 the the DT 39928 508 100 sky sky NN 39928 508 101 , , , 39928 508 102 far far RB 39928 508 103 away away RB 39928 508 104 from from IN 39928 508 105 it -PRON- PRP 39928 508 106 in in IN 39928 508 107 the the DT 39928 508 108 southern southern JJ 39928 508 109 hemisphere hemisphere NN 39928 508 110 , , , 39928 508 111 and and CC 39928 508 112 in in IN 39928 508 113 the the DT 39928 508 114 north north NN 39928 508 115 clustering cluster VBG 39928 508 116 in in IN 39928 508 117 a a DT 39928 508 118 very very RB 39928 508 119 marked marked JJ 39928 508 120 degree degree NN 39928 508 121 around around IN 39928 508 122 the the DT 39928 508 123 galactic galactic JJ 39928 508 124 pole pole NN 39928 508 125 . . . 39928 509 1 The the DT 39928 509 2 distribution distribution NN 39928 509 3 of of IN 39928 509 4 nebulæ nebulæ NN 39928 509 5 is be VBZ 39928 509 6 thus thus RB 39928 509 7 seen see VBN 39928 509 8 to to TO 39928 509 9 be be VB 39928 509 10 the the DT 39928 509 11 exact exact JJ 39928 509 12 opposite opposite NN 39928 509 13 to to IN 39928 509 14 that that DT 39928 509 15 of of IN 39928 509 16 the the DT 39928 509 17 star star NN 39928 509 18 - - HYPH 39928 509 19 clusters cluster NNS 39928 509 20 , , , 39928 509 21 while while IN 39928 509 22 both both DT 39928 509 23 are be VBP 39928 509 24 so so RB 39928 509 25 distinctly distinctly RB 39928 509 26 related related JJ 39928 509 27 to to IN 39928 509 28 the the DT 39928 509 29 position position NN 39928 509 30 of of IN 39928 509 31 the the DT 39928 509 32 Milky Milky NNP 39928 509 33 Way Way NNP 39928 509 34 -- -- : 39928 509 35 the the DT 39928 509 36 ground ground NN 39928 509 37 - - HYPH 39928 509 38 plane plane NN 39928 509 39 of of IN 39928 509 40 the the DT 39928 509 41 sidereal sidereal JJ 39928 509 42 system system NN 39928 509 43 , , , 39928 509 44 as as IN 39928 509 45 Sir Sir NNP 39928 509 46 John John NNP 39928 509 47 Herschel Herschel NNP 39928 509 48 termed term VBD 39928 509 49 it -PRON- PRP 39928 509 50 -- -- : 39928 509 51 that that IN 39928 509 52 we -PRON- PRP 39928 509 53 are be VBP 39928 509 54 compelled compel VBN 39928 509 55 to to TO 39928 509 56 include include VB 39928 509 57 them -PRON- PRP 39928 509 58 all all DT 39928 509 59 as as IN 39928 509 60 connected connected JJ 39928 509 61 portions portion NNS 39928 509 62 of of IN 39928 509 63 one one CD 39928 509 64 grand grand JJ 39928 509 65 and and CC 39928 509 66 , , , 39928 509 67 to to IN 39928 509 68 some some DT 39928 509 69 extent extent NN 39928 509 70 , , , 39928 509 71 symmetrical symmetrical JJ 39928 509 72 universe universe NN 39928 509 73 , , , 39928 509 74 whose whose WP$ 39928 509 75 remarkable remarkable JJ 39928 509 76 and and CC 39928 509 77 opposite opposite JJ 39928 509 78 mode mode NN 39928 509 79 of of IN 39928 509 80 distribution distribution NN 39928 509 81 over over IN 39928 509 82 the the DT 39928 509 83 heavens heavens NNPS 39928 509 84 may may MD 39928 509 85 probably probably RB 39928 509 86 afford afford VB 39928 509 87 a a DT 39928 509 88 clue clue NN 39928 509 89 to to IN 39928 509 90 the the DT 39928 509 91 mode mode NN 39928 509 92 of of IN 39928 509 93 development development NN 39928 509 94 of of IN 39928 509 95 that that DT 39928 509 96 universe universe NN 39928 509 97 and and CC 39928 509 98 to to IN 39928 509 99 the the DT 39928 509 100 changes change NNS 39928 509 101 that that WDT 39928 509 102 are be VBP 39928 509 103 even even RB 39928 509 104 now now RB 39928 509 105 taking take VBG 39928 509 106 place place NN 39928 509 107 within within IN 39928 509 108 it -PRON- PRP 39928 509 109 . . . 39928 510 1 The the DT 39928 510 2 maps map NNS 39928 510 3 referred refer VBD 39928 510 4 to to TO 39928 510 5 above above RB 39928 510 6 are be VBP 39928 510 7 of of IN 39928 510 8 such such JJ 39928 510 9 great great JJ 39928 510 10 importance importance NN 39928 510 11 , , , 39928 510 12 and and CC 39928 510 13 are be VBP 39928 510 14 so so RB 39928 510 15 essential essential JJ 39928 510 16 to to IN 39928 510 17 a a DT 39928 510 18 clear clear JJ 39928 510 19 comprehension comprehension NN 39928 510 20 of of IN 39928 510 21 the the DT 39928 510 22 nature nature NN 39928 510 23 and and CC 39928 510 24 constitution constitution NN 39928 510 25 of of IN 39928 510 26 the the DT 39928 510 27 vast vast JJ 39928 510 28 sidereal sidereal JJ 39928 510 29 system system NN 39928 510 30 which which WDT 39928 510 31 surrounds surround VBZ 39928 510 32 us -PRON- PRP 39928 510 33 , , , 39928 510 34 that that IN 39928 510 35 I -PRON- PRP 39928 510 36 have have VBP 39928 510 37 , , , 39928 510 38 with with IN 39928 510 39 the the DT 39928 510 40 permission permission NN 39928 510 41 of of IN 39928 510 42 the the DT 39928 510 43 Royal Royal NNP 39928 510 44 Astronomical Astronomical NNP 39928 510 45 Society Society NNP 39928 510 46 , , , 39928 510 47 reproduced reproduce VBD 39928 510 48 them -PRON- PRP 39928 510 49 here here RB 39928 510 50 . . . 39928 511 1 ( ( -LRB- 39928 511 2 See see VB 39928 511 3 end end NN 39928 511 4 of of IN 39928 511 5 volume volume NN 39928 511 6 . . . 39928 511 7 ) ) -RRB- 39928 512 1 A a DT 39928 512 2 careful careful JJ 39928 512 3 examination examination NN 39928 512 4 of of IN 39928 512 5 them -PRON- PRP 39928 512 6 will will MD 39928 512 7 give give VB 39928 512 8 a a DT 39928 512 9 clearer clear JJR 39928 512 10 idea idea NN 39928 512 11 of of IN 39928 512 12 the the DT 39928 512 13 very very RB 39928 512 14 remarkable remarkable JJ 39928 512 15 facts fact NNS 39928 512 16 of of IN 39928 512 17 distribution distribution NN 39928 512 18 of of IN 39928 512 19 star star NN 39928 512 20 - - HYPH 39928 512 21 clusters cluster NNS 39928 512 22 and and CC 39928 512 23 nebulæ nebulæ NN 39928 512 24 than than IN 39928 512 25 can can MD 39928 512 26 be be VB 39928 512 27 afforded afford VBN 39928 512 28 by by IN 39928 512 29 any any DT 39928 512 30 amount amount NN 39928 512 31 of of IN 39928 512 32 description description NN 39928 512 33 or or CC 39928 512 34 of of IN 39928 512 35 numerical numerical JJ 39928 512 36 statements statement NNS 39928 512 37 . . . 39928 513 1 The the DT 39928 513 2 forms form NNS 39928 513 3 of of IN 39928 513 4 many many JJ 39928 513 5 of of IN 39928 513 6 the the DT 39928 513 7 nebulæ nebulæ NNS 39928 513 8 are be VBP 39928 513 9 very very RB 39928 513 10 curious curious JJ 39928 513 11 . . . 39928 514 1 Some some DT 39928 514 2 are be VBP 39928 514 3 quite quite RB 39928 514 4 irregular irregular JJ 39928 514 5 , , , 39928 514 6 as as IN 39928 514 7 the the DT 39928 514 8 Orion Orion NNP 39928 514 9 nebula nebula NN 39928 514 10 , , , 39928 514 11 the the DT 39928 514 12 Keyhole Keyhole NNP 39928 514 13 nebula nebula NN 39928 514 14 in in IN 39928 514 15 the the DT 39928 514 16 southern southern JJ 39928 514 17 hemisphere hemisphere NN 39928 514 18 , , , 39928 514 19 and and CC 39928 514 20 many many JJ 39928 514 21 others other NNS 39928 514 22 . . . 39928 515 1 Some some DT 39928 515 2 show show VBP 39928 515 3 a a DT 39928 515 4 decidedly decidedly RB 39928 515 5 spiral spiral JJ 39928 515 6 form form NN 39928 515 7 , , , 39928 515 8 as as IN 39928 515 9 those those DT 39928 515 10 in in IN 39928 515 11 Andromeda Andromeda NNP 39928 515 12 and and CC 39928 515 13 Canes Canes NNPS 39928 515 14 Venatici Venatici NNPS 39928 515 15 ; ; : 39928 515 16 others other NNS 39928 515 17 again again RB 39928 515 18 are be VBP 39928 515 19 annular annular JJ 39928 515 20 or or CC 39928 515 21 ring ring NN 39928 515 22 - - HYPH 39928 515 23 shaped shape VBN 39928 515 24 , , , 39928 515 25 as as IN 39928 515 26 those those DT 39928 515 27 in in IN 39928 515 28 Lyra Lyra NNP 39928 515 29 and and CC 39928 515 30 Cygnus Cygnus NNP 39928 515 31 , , , 39928 515 32 while while IN 39928 515 33 a a DT 39928 515 34 considerable considerable JJ 39928 515 35 number number NN 39928 515 36 are be VBP 39928 515 37 termed term VBN 39928 515 38 planetary planetary JJ 39928 515 39 nebulæ nebulæ NN 39928 515 40 , , , 39928 515 41 from from IN 39928 515 42 their -PRON- PRP$ 39928 515 43 exhibiting exhibit VBG 39928 515 44 a a DT 39928 515 45 faint faint JJ 39928 515 46 circular circular JJ 39928 515 47 disc disc NN 39928 515 48 like like IN 39928 515 49 that that DT 39928 515 50 of of IN 39928 515 51 a a DT 39928 515 52 planet planet NN 39928 515 53 . . . 39928 516 1 Many many JJ 39928 516 2 have have VBP 39928 516 3 stars star NNS 39928 516 4 or or CC 39928 516 5 groups group NNS 39928 516 6 of of IN 39928 516 7 stars star NNS 39928 516 8 evidently evidently RB 39928 516 9 forming form VBG 39928 516 10 parts part NNS 39928 516 11 of of IN 39928 516 12 them -PRON- PRP 39928 516 13 , , , 39928 516 14 and and CC 39928 516 15 this this DT 39928 516 16 is be VBZ 39928 516 17 especially especially RB 39928 516 18 the the DT 39928 516 19 case case NN 39928 516 20 with with IN 39928 516 21 those those DT 39928 516 22 of of IN 39928 516 23 the the DT 39928 516 24 largest large JJS 39928 516 25 size size NN 39928 516 26 . . . 39928 517 1 But but CC 39928 517 2 all all PDT 39928 517 3 these these DT 39928 517 4 are be VBP 39928 517 5 comparatively comparatively RB 39928 517 6 few few JJ 39928 517 7 in in IN 39928 517 8 number number NN 39928 517 9 and and CC 39928 517 10 more more RBR 39928 517 11 or or CC 39928 517 12 less less RBR 39928 517 13 exceptional exceptional JJ 39928 517 14 in in IN 39928 517 15 type type NN 39928 517 16 , , , 39928 517 17 the the DT 39928 517 18 great great JJ 39928 517 19 majority majority NN 39928 517 20 being be VBG 39928 517 21 minute minute JJ 39928 517 22 cloudy cloudy JJ 39928 517 23 specks speck NNS 39928 517 24 only only RB 39928 517 25 visible visible JJ 39928 517 26 with with IN 39928 517 27 good good JJ 39928 517 28 telescopes telescope NNS 39928 517 29 , , , 39928 517 30 and and CC 39928 517 31 so so RB 39928 517 32 faint faint JJ 39928 517 33 as as IN 39928 517 34 to to TO 39928 517 35 leave leave VB 39928 517 36 much much JJ 39928 517 37 doubt doubt NN 39928 517 38 as as IN 39928 517 39 to to IN 39928 517 40 their -PRON- PRP$ 39928 517 41 exact exact JJ 39928 517 42 shape shape NN 39928 517 43 and and CC 39928 517 44 nature nature NN 39928 517 45 . . . 39928 518 1 Sir Sir NNP 39928 518 2 John John NNP 39928 518 3 Herschel Herschel NNP 39928 518 4 catalogued catalogue VBD 39928 518 5 5000 5000 CD 39928 518 6 in in IN 39928 518 7 1864 1864 CD 39928 518 8 , , , 39928 518 9 and and CC 39928 518 10 more more JJR 39928 518 11 than than IN 39928 518 12 8000 8000 CD 39928 518 13 were be VBD 39928 518 14 discovered discover VBN 39928 518 15 up up IN 39928 518 16 to to IN 39928 518 17 1890 1890 CD 39928 518 18 ; ; : 39928 518 19 while while IN 39928 518 20 the the DT 39928 518 21 application application NN 39928 518 22 of of IN 39928 518 23 the the DT 39928 518 24 camera camera NN 39928 518 25 has have VBZ 39928 518 26 so so RB 39928 518 27 increased increase VBN 39928 518 28 the the DT 39928 518 29 numbers number NNS 39928 518 30 that that IN 39928 518 31 it -PRON- PRP 39928 518 32 is be VBZ 39928 518 33 thought think VBN 39928 518 34 there there EX 39928 518 35 may may MD 39928 518 36 really really RB 39928 518 37 be be VB 39928 518 38 many many JJ 39928 518 39 hundreds hundred NNS 39928 518 40 of of IN 39928 518 41 thousands thousand NNS 39928 518 42 of of IN 39928 518 43 them -PRON- PRP 39928 518 44 . . . 39928 519 1 The the DT 39928 519 2 spectroscope spectroscope NN 39928 519 3 shows show VBZ 39928 519 4 the the DT 39928 519 5 larger large JJR 39928 519 6 irregular irregular JJ 39928 519 7 nebulæ nebulæ NN 39928 519 8 to to TO 39928 519 9 be be VB 39928 519 10 gaseous gaseous JJ 39928 519 11 , , , 39928 519 12 as as IN 39928 519 13 are be VBP 39928 519 14 the the DT 39928 519 15 annular annular NNP 39928 519 16 and and CC 39928 519 17 planetary planetary NN 39928 519 18 nebulæ nebulæ NN 39928 519 19 as as RB 39928 519 20 well well RB 39928 519 21 as as IN 39928 519 22 many many JJ 39928 519 23 very very RB 39928 519 24 brilliant brilliant JJ 39928 519 25 white white JJ 39928 519 26 stars star NNS 39928 519 27 ; ; : 39928 519 28 and and CC 39928 519 29 all all PDT 39928 519 30 these these DT 39928 519 31 objects object NNS 39928 519 32 are be VBP 39928 519 33 most most RBS 39928 519 34 frequent frequent JJ 39928 519 35 in in IN 39928 519 36 or or CC 39928 519 37 near near IN 39928 519 38 the the DT 39928 519 39 Milky Milky NNP 39928 519 40 Way Way NNP 39928 519 41 . . . 39928 520 1 Their -PRON- PRP$ 39928 520 2 spectra spectra NNP 39928 520 3 show show VBP 39928 520 4 a a DT 39928 520 5 green green JJ 39928 520 6 line line NN 39928 520 7 not not RB 39928 520 8 produced produce VBN 39928 520 9 by by IN 39928 520 10 any any DT 39928 520 11 terrestrial terrestrial JJ 39928 520 12 element element NN 39928 520 13 . . . 39928 521 1 With with IN 39928 521 2 the the DT 39928 521 3 great great JJ 39928 521 4 Lick Lick NNP 39928 521 5 telescope telescope NN 39928 521 6 several several JJ 39928 521 7 of of IN 39928 521 8 the the DT 39928 521 9 planetary planetary NN 39928 521 10 nebulæ nebulæ NN 39928 521 11 have have VBP 39928 521 12 been be VBN 39928 521 13 found find VBN 39928 521 14 to to TO 39928 521 15 be be VB 39928 521 16 irregular irregular JJ 39928 521 17 and and CC 39928 521 18 sometimes sometimes RB 39928 521 19 to to TO 39928 521 20 be be VB 39928 521 21 formed form VBN 39928 521 22 of of IN 39928 521 23 compressed compress VBN 39928 521 24 or or CC 39928 521 25 looped loop VBN 39928 521 26 rings ring NNS 39928 521 27 and and CC 39928 521 28 other other JJ 39928 521 29 curious curious JJ 39928 521 30 forms form NNS 39928 521 31 . . . 39928 522 1 Many many JJ 39928 522 2 of of IN 39928 522 3 the the DT 39928 522 4 smaller small JJR 39928 522 5 nebulæ nebulæ NN 39928 522 6 are be VBP 39928 522 7 double double JJ 39928 522 8 or or CC 39928 522 9 triple triple JJ 39928 522 10 , , , 39928 522 11 but but CC 39928 522 12 whether whether IN 39928 522 13 they -PRON- PRP 39928 522 14 really really RB 39928 522 15 form form VBP 39928 522 16 revolving revolving JJ 39928 522 17 systems system NNS 39928 522 18 is be VBZ 39928 522 19 not not RB 39928 522 20 yet yet RB 39928 522 21 known know VBN 39928 522 22 . . . 39928 523 1 The the DT 39928 523 2 great great JJ 39928 523 3 mass mass NN 39928 523 4 of of IN 39928 523 5 the the DT 39928 523 6 small small JJ 39928 523 7 nebulæ nebulæ NN 39928 523 8 that that WDT 39928 523 9 occupy occupy VBP 39928 523 10 large large JJ 39928 523 11 tracts tract NNS 39928 523 12 of of IN 39928 523 13 the the DT 39928 523 14 heavens heavens NNPS 39928 523 15 remote remote JJ 39928 523 16 from from IN 39928 523 17 the the DT 39928 523 18 Galaxy Galaxy NNP 39928 523 19 are be VBP 39928 523 20 often often RB 39928 523 21 termed term VBN 39928 523 22 irresolvable irresolvable JJ 39928 523 23 nebulæ nebulæ NN 39928 523 24 , , , 39928 523 25 because because IN 39928 523 26 the the DT 39928 523 27 highest high JJS 39928 523 28 powers power NNS 39928 523 29 of of IN 39928 523 30 the the DT 39928 523 31 largest large JJS 39928 523 32 telescopes telescope NNS 39928 523 33 show show VBP 39928 523 34 no no DT 39928 523 35 indication indication NN 39928 523 36 of of IN 39928 523 37 their -PRON- PRP$ 39928 523 38 being be VBG 39928 523 39 star star NN 39928 523 40 - - HYPH 39928 523 41 clusters cluster NNS 39928 523 42 , , , 39928 523 43 while while IN 39928 523 44 they -PRON- PRP 39928 523 45 are be VBP 39928 523 46 too too RB 39928 523 47 faint faint JJ 39928 523 48 to to TO 39928 523 49 give give VB 39928 523 50 any any DT 39928 523 51 definite definite JJ 39928 523 52 indications indication NNS 39928 523 53 of of IN 39928 523 54 structure structure NN 39928 523 55 in in IN 39928 523 56 the the DT 39928 523 57 spectroscope spectroscope NN 39928 523 58 . . . 39928 524 1 But but CC 39928 524 2 many many JJ 39928 524 3 of of IN 39928 524 4 them -PRON- PRP 39928 524 5 resemble resemble VBP 39928 524 6 comets comet NNS 39928 524 7 in in IN 39928 524 8 their -PRON- PRP$ 39928 524 9 forms form NNS 39928 524 10 , , , 39928 524 11 and and CC 39928 524 12 it -PRON- PRP 39928 524 13 is be VBZ 39928 524 14 thought think VBN 39928 524 15 not not RB 39928 524 16 impossible impossible JJ 39928 524 17 that that IN 39928 524 18 they -PRON- PRP 39928 524 19 may may MD 39928 524 20 be be VB 39928 524 21 not not RB 39928 524 22 very very RB 39928 524 23 dissimilar dissimilar JJ 39928 524 24 in in IN 39928 524 25 constitution constitution NN 39928 524 26 . . . 39928 525 1 * * NFP 39928 525 2 * * NFP 39928 525 3 * * NFP 39928 525 4 * * NFP 39928 525 5 * * NFP 39928 525 6 We -PRON- PRP 39928 525 7 have have VBP 39928 525 8 now now RB 39928 525 9 passed pass VBN 39928 525 10 in in IN 39928 525 11 review review NN 39928 525 12 the the DT 39928 525 13 main main JJ 39928 525 14 features feature NNS 39928 525 15 presented present VBN 39928 525 16 to to IN 39928 525 17 us -PRON- PRP 39928 525 18 in in IN 39928 525 19 the the DT 39928 525 20 heavens heavens NNPS 39928 525 21 outside outside IN 39928 525 22 the the DT 39928 525 23 solar solar JJ 39928 525 24 system system NN 39928 525 25 , , , 39928 525 26 so so RB 39928 525 27 far far RB 39928 525 28 as as IN 39928 525 29 regards regard VBZ 39928 525 30 the the DT 39928 525 31 numbers number NNS 39928 525 32 and and CC 39928 525 33 distribution distribution NN 39928 525 34 of of IN 39928 525 35 the the DT 39928 525 36 lucid lucid JJ 39928 525 37 stars star NNS 39928 525 38 ( ( -LRB- 39928 525 39 those those DT 39928 525 40 visible visible JJ 39928 525 41 to to IN 39928 525 42 the the DT 39928 525 43 naked naked JJ 39928 525 44 eye eye NN 39928 525 45 ) ) -RRB- 39928 525 46 as as RB 39928 525 47 well well RB 39928 525 48 as as IN 39928 525 49 those those DT 39928 525 50 brought bring VBN 39928 525 51 to to TO 39928 525 52 view view NN 39928 525 53 by by IN 39928 525 54 the the DT 39928 525 55 telescope telescope NN 39928 525 56 ; ; : 39928 525 57 the the DT 39928 525 58 form form NN 39928 525 59 and and CC 39928 525 60 chief chief JJ 39928 525 61 characteristics characteristic NNS 39928 525 62 of of IN 39928 525 63 the the DT 39928 525 64 Milky Milky NNP 39928 525 65 Way Way NNP 39928 525 66 or or CC 39928 525 67 Galaxy Galaxy NNP 39928 525 68 ; ; : 39928 525 69 and and CC 39928 525 70 lastly lastly RB 39928 525 71 , , , 39928 525 72 the the DT 39928 525 73 numbers number NNS 39928 525 74 and and CC 39928 525 75 distribution distribution NN 39928 525 76 of of IN 39928 525 77 those those DT 39928 525 78 interesting interesting JJ 39928 525 79 objects object NNS 39928 525 80 -- -- : 39928 525 81 star star NN 39928 525 82 - - HYPH 39928 525 83 clusters cluster NNS 39928 525 84 and and CC 39928 525 85 nebulæ nebulæ NN 39928 525 86 in in IN 39928 525 87 their -PRON- PRP$ 39928 525 88 special special JJ 39928 525 89 relations relation NNS 39928 525 90 to to IN 39928 525 91 the the DT 39928 525 92 Milky Milky NNP 39928 525 93 Way Way NNP 39928 525 94 . . . 39928 526 1 This this DT 39928 526 2 examination examination NN 39928 526 3 has have VBZ 39928 526 4 brought bring VBN 39928 526 5 clearly clearly RB 39928 526 6 before before IN 39928 526 7 us -PRON- PRP 39928 526 8 the the DT 39928 526 9 unity unity NN 39928 526 10 of of IN 39928 526 11 the the DT 39928 526 12 whole whole JJ 39928 526 13 visible visible JJ 39928 526 14 universe universe NN 39928 526 15 ; ; : 39928 526 16 that that IN 39928 526 17 everything everything NN 39928 526 18 we -PRON- PRP 39928 526 19 can can MD 39928 526 20 see see VB 39928 526 21 , , , 39928 526 22 or or CC 39928 526 23 obtain obtain VB 39928 526 24 any any DT 39928 526 25 knowledge knowledge NN 39928 526 26 of of IN 39928 526 27 , , , 39928 526 28 with with IN 39928 526 29 all all PDT 39928 526 30 the the DT 39928 526 31 resources resource NNS 39928 526 32 of of IN 39928 526 33 modern modern JJ 39928 526 34 gigantic gigantic JJ 39928 526 35 telescopes telescope NNS 39928 526 36 , , , 39928 526 37 of of IN 39928 526 38 the the DT 39928 526 39 photographic photographic JJ 39928 526 40 plate plate NN 39928 526 41 , , , 39928 526 42 and and CC 39928 526 43 of of IN 39928 526 44 the the DT 39928 526 45 even even RB 39928 526 46 more more RBR 39928 526 47 marvellous marvellous JJ 39928 526 48 spectroscope spectroscope NN 39928 526 49 , , , 39928 526 50 forms form VBZ 39928 526 51 parts part NNS 39928 526 52 of of IN 39928 526 53 one one CD 39928 526 54 vast vast JJ 39928 526 55 system system NN 39928 526 56 which which WDT 39928 526 57 may may MD 39928 526 58 be be VB 39928 526 59 shortly shortly RB 39928 526 60 and and CC 39928 526 61 appropriately appropriately RB 39928 526 62 termed term VBD 39928 526 63 the the DT 39928 526 64 Stellar stellar JJ 39928 526 65 universe universe NN 39928 526 66 . . . 39928 527 1 In in IN 39928 527 2 our -PRON- PRP$ 39928 527 3 next next JJ 39928 527 4 chapter chapter NN 39928 527 5 we -PRON- PRP 39928 527 6 shall shall MD 39928 527 7 carry carry VB 39928 527 8 the the DT 39928 527 9 investigation investigation NN 39928 527 10 a a DT 39928 527 11 step step NN 39928 527 12 further far RBR 39928 527 13 , , , 39928 527 14 by by IN 39928 527 15 sketching sketch VBG 39928 527 16 in in IN 39928 527 17 outline outline NN 39928 527 18 what what WP 39928 527 19 is be VBZ 39928 527 20 known know VBN 39928 527 21 of of IN 39928 527 22 the the DT 39928 527 23 motions motion NNS 39928 527 24 and and CC 39928 527 25 distances distance NNS 39928 527 26 of of IN 39928 527 27 the the DT 39928 527 28 stars star NNS 39928 527 29 , , , 39928 527 30 and and CC 39928 527 31 thus thus RB 39928 527 32 obtain obtain VB 39928 527 33 some some DT 39928 527 34 important important JJ 39928 527 35 information information NN 39928 527 36 bearing bear VBG 39928 527 37 upon upon IN 39928 527 38 our -PRON- PRP$ 39928 527 39 special special JJ 39928 527 40 subject subject NN 39928 527 41 of of IN 39928 527 42 inquiry inquiry NN 39928 527 43 . . . 39928 528 1 CHAPTER chapter NN 39928 528 2 V V NNP 39928 528 3 DISTANCE DISTANCE NNP 39928 528 4 OF of IN 39928 528 5 THE the DT 39928 528 6 STARS star NNS 39928 528 7 -- -- : 39928 528 8 THE the DT 39928 528 9 SUN SUN NNP 39928 528 10 'S 'S NNP 39928 528 11 MOTION MOTION NNP 39928 528 12 THROUGH THROUGH VBD 39928 528 13 SPACE SPACE NNP 39928 528 14 In in IN 39928 528 15 early early JJ 39928 528 16 ages age NNS 39928 528 17 , , , 39928 528 18 before before IN 39928 528 19 any any DT 39928 528 20 approximate approximate JJ 39928 528 21 idea idea NN 39928 528 22 was be VBD 39928 528 23 reached reach VBN 39928 528 24 of of IN 39928 528 25 the the DT 39928 528 26 great great JJ 39928 528 27 distances distance NNS 39928 528 28 of of IN 39928 528 29 the the DT 39928 528 30 stars star NNS 39928 528 31 from from IN 39928 528 32 us -PRON- PRP 39928 528 33 , , , 39928 528 34 the the DT 39928 528 35 simple simple JJ 39928 528 36 conception conception NN 39928 528 37 of of IN 39928 528 38 a a DT 39928 528 39 crystal crystal NN 39928 528 40 sphere sphere NN 39928 528 41 to to TO 39928 528 42 which which WDT 39928 528 43 these these DT 39928 528 44 luminous luminous JJ 39928 528 45 points point NNS 39928 528 46 were be VBD 39928 528 47 attached attach VBN 39928 528 48 and and CC 39928 528 49 carried carry VBN 39928 528 50 round round RB 39928 528 51 every every DT 39928 528 52 day day NN 39928 528 53 on on IN 39928 528 54 an an DT 39928 528 55 axis axis NN 39928 528 56 near near IN 39928 528 57 which which WDT 39928 528 58 our -PRON- PRP$ 39928 528 59 pole pole NNP 39928 528 60 - - HYPH 39928 528 61 star star NN 39928 528 62 is be VBZ 39928 528 63 situated situate VBN 39928 528 64 , , , 39928 528 65 satisfied satisfy VBD 39928 528 66 the the DT 39928 528 67 demands demand NNS 39928 528 68 for for IN 39928 528 69 an an DT 39928 528 70 explanation explanation NN 39928 528 71 of of IN 39928 528 72 the the DT 39928 528 73 phenomena phenomenon NNS 39928 528 74 . . . 39928 529 1 But but CC 39928 529 2 when when WRB 39928 529 3 Copernicus Copernicus NNP 39928 529 4 set set VBD 39928 529 5 forth forth RP 39928 529 6 the the DT 39928 529 7 true true JJ 39928 529 8 arrangement arrangement NN 39928 529 9 of of IN 39928 529 10 the the DT 39928 529 11 heavenly heavenly JJ 39928 529 12 bodies body NNS 39928 529 13 , , , 39928 529 14 earth earth NN 39928 529 15 and and CC 39928 529 16 planets planet NNS 39928 529 17 alike alike RB 39928 529 18 revolving revolving JJ 39928 529 19 round round IN 39928 529 20 the the DT 39928 529 21 sun sun NN 39928 529 22 at at IN 39928 529 23 distances distance NNS 39928 529 24 of of IN 39928 529 25 many many JJ 39928 529 26 millions million NNS 39928 529 27 of of IN 39928 529 28 miles mile NNS 39928 529 29 , , , 39928 529 30 and and CC 39928 529 31 when when WRB 39928 529 32 this this DT 39928 529 33 scheme scheme NN 39928 529 34 was be VBD 39928 529 35 enforced enforce VBN 39928 529 36 by by IN 39928 529 37 the the DT 39928 529 38 laws law NNS 39928 529 39 of of IN 39928 529 40 Kepler Kepler NNP 39928 529 41 and and CC 39928 529 42 the the DT 39928 529 43 telescopic telescopic JJ 39928 529 44 discoveries discovery NNS 39928 529 45 of of IN 39928 529 46 Galileo Galileo NNP 39928 529 47 , , , 39928 529 48 a a DT 39928 529 49 difficulty difficulty NN 39928 529 50 arose arise VBD 39928 529 51 which which WDT 39928 529 52 astronomers astronomer NNS 39928 529 53 were be VBD 39928 529 54 unable unable JJ 39928 529 55 satisfactorily satisfactorily RB 39928 529 56 to to TO 39928 529 57 overcome overcome VB 39928 529 58 . . . 39928 530 1 If if IN 39928 530 2 , , , 39928 530 3 said say VBD 39928 530 4 they -PRON- PRP 39928 530 5 , , , 39928 530 6 the the DT 39928 530 7 earth earth NN 39928 530 8 revolves revolve VBZ 39928 530 9 round round IN 39928 530 10 the the DT 39928 530 11 sun sun NN 39928 530 12 at at IN 39928 530 13 a a DT 39928 530 14 distance distance NN 39928 530 15 which which WDT 39928 530 16 can can MD 39928 530 17 not not RB 39928 530 18 be be VB 39928 530 19 less less JJR 39928 530 20 ( ( -LRB- 39928 530 21 according accord VBG 39928 530 22 to to IN 39928 530 23 Kepler Kepler NNP 39928 530 24 's 's POS 39928 530 25 measurement measurement NN 39928 530 26 of of IN 39928 530 27 the the DT 39928 530 28 distance distance NN 39928 530 29 of of IN 39928 530 30 Mars Mars NNP 39928 530 31 at at IN 39928 530 32 opposition opposition NN 39928 530 33 ) ) -RRB- 39928 530 34 than than IN 39928 530 35 13 13 CD 39928 530 36 - - SYM 39928 530 37 1/2 1/2 CD 39928 530 38 millions million NNS 39928 530 39 of of IN 39928 530 40 miles mile NNS 39928 530 41 , , , 39928 530 42 then then RB 39928 530 43 how how WRB 39928 530 44 is be VBZ 39928 530 45 it -PRON- PRP 39928 530 46 that that IN 39928 530 47 the the DT 39928 530 48 nearer nearer NN 39928 530 49 stars star NNS 39928 530 50 are be VBP 39928 530 51 not not RB 39928 530 52 seen see VBN 39928 530 53 to to TO 39928 530 54 shift shift VB 39928 530 55 their -PRON- PRP$ 39928 530 56 apparent apparent JJ 39928 530 57 places place NNS 39928 530 58 when when WRB 39928 530 59 viewed view VBN 39928 530 60 from from IN 39928 530 61 opposite opposite JJ 39928 530 62 sides side NNS 39928 530 63 of of IN 39928 530 64 this this DT 39928 530 65 enormous enormous JJ 39928 530 66 orbit orbit NN 39928 530 67 ? ? . 39928 531 1 Copernicus Copernicus NNP 39928 531 2 , , , 39928 531 3 and and CC 39928 531 4 after after IN 39928 531 5 him -PRON- PRP 39928 531 6 Kepler Kepler NNP 39928 531 7 and and CC 39928 531 8 Galileo Galileo NNP 39928 531 9 , , , 39928 531 10 stoutly stoutly RB 39928 531 11 maintained maintain VBD 39928 531 12 that that IN 39928 531 13 it -PRON- PRP 39928 531 14 was be VBD 39928 531 15 because because IN 39928 531 16 the the DT 39928 531 17 stars star NNS 39928 531 18 were be VBD 39928 531 19 at at IN 39928 531 20 such such PDT 39928 531 21 an an DT 39928 531 22 enormous enormous JJ 39928 531 23 distance distance NN 39928 531 24 from from IN 39928 531 25 us -PRON- PRP 39928 531 26 that that IN 39928 531 27 the the DT 39928 531 28 earth earth NN 39928 531 29 's 's POS 39928 531 30 orbit orbit NN 39928 531 31 was be VBD 39928 531 32 a a DT 39928 531 33 mere mere JJ 39928 531 34 point point NN 39928 531 35 in in IN 39928 531 36 comparison comparison NN 39928 531 37 . . . 39928 532 1 But but CC 39928 532 2 this this DT 39928 532 3 seemed seem VBD 39928 532 4 wholly wholly RB 39928 532 5 incredible incredible JJ 39928 532 6 , , , 39928 532 7 even even RB 39928 532 8 to to IN 39928 532 9 the the DT 39928 532 10 great great JJ 39928 532 11 observer observer NN 39928 532 12 Tycho Tycho NNP 39928 532 13 Brahé Brahé NNP 39928 532 14 , , , 39928 532 15 and and CC 39928 532 16 hence hence RB 39928 532 17 the the DT 39928 532 18 Copernican copernican JJ 39928 532 19 theory theory NN 39928 532 20 was be VBD 39928 532 21 not not RB 39928 532 22 so so RB 39928 532 23 generally generally RB 39928 532 24 accepted accept VBN 39928 532 25 as as IN 39928 532 26 it -PRON- PRP 39928 532 27 otherwise otherwise RB 39928 532 28 would would MD 39928 532 29 have have VB 39928 532 30 been be VBN 39928 532 31 . . . 39928 533 1 Galileo Galileo NNP 39928 533 2 always always RB 39928 533 3 declared declare VBD 39928 533 4 that that IN 39928 533 5 the the DT 39928 533 6 measurement measurement NN 39928 533 7 would would MD 39928 533 8 some some DT 39928 533 9 day day NN 39928 533 10 be be VB 39928 533 11 made make VBN 39928 533 12 , , , 39928 533 13 and and CC 39928 533 14 he -PRON- PRP 39928 533 15 even even RB 39928 533 16 suggested suggest VBD 39928 533 17 the the DT 39928 533 18 method method NN 39928 533 19 of of IN 39928 533 20 effecting effect VBG 39928 533 21 it -PRON- PRP 39928 533 22 which which WDT 39928 533 23 is be VBZ 39928 533 24 now now RB 39928 533 25 found find VBN 39928 533 26 to to TO 39928 533 27 be be VB 39928 533 28 the the DT 39928 533 29 most most RBS 39928 533 30 trustworthy trustworthy JJ 39928 533 31 . . . 39928 534 1 But but CC 39928 534 2 the the DT 39928 534 3 sun sun NN 39928 534 4 's 's POS 39928 534 5 distance distance NN 39928 534 6 had have VBD 39928 534 7 to to TO 39928 534 8 be be VB 39928 534 9 first first RB 39928 534 10 measured measure VBN 39928 534 11 with with IN 39928 534 12 greater great JJR 39928 534 13 accuracy accuracy NN 39928 534 14 , , , 39928 534 15 and and CC 39928 534 16 that that DT 39928 534 17 was be VBD 39928 534 18 only only RB 39928 534 19 done do VBN 39928 534 20 in in IN 39928 534 21 the the DT 39928 534 22 latter latter JJ 39928 534 23 part part NN 39928 534 24 of of IN 39928 534 25 the the DT 39928 534 26 eighteenth eighteenth JJ 39928 534 27 century century NN 39928 534 28 by by IN 39928 534 29 means mean NNS 39928 534 30 of of IN 39928 534 31 transits transit NNS 39928 534 32 of of IN 39928 534 33 Venus Venus NNP 39928 534 34 ; ; : 39928 534 35 and and CC 39928 534 36 by by IN 39928 534 37 later later JJ 39928 534 38 observations observation NNS 39928 534 39 with with IN 39928 534 40 more more JJR 39928 534 41 perfect perfect JJ 39928 534 42 instruments instrument NNS 39928 534 43 it -PRON- PRP 39928 534 44 is be VBZ 39928 534 45 now now RB 39928 534 46 pretty pretty RB 39928 534 47 well well RB 39928 534 48 fixed fix VBN 39928 534 49 at at IN 39928 534 50 about about RB 39928 534 51 92,780,000 92,780,000 CD 39928 534 52 miles mile NNS 39928 534 53 , , , 39928 534 54 the the DT 39928 534 55 limits limit NNS 39928 534 56 of of IN 39928 534 57 error error NN 39928 534 58 being be VBG 39928 534 59 such such JJ 39928 534 60 that that IN 39928 534 61 92 92 CD 39928 534 62 - - HYPH 39928 534 63 3/4 3/4 CD 39928 534 64 millions million NNS 39928 534 65 may may MD 39928 534 66 perhaps perhaps RB 39928 534 67 be be VB 39928 534 68 quite quite RB 39928 534 69 as as RB 39928 534 70 accurate accurate JJ 39928 534 71 . . . 39928 535 1 With with IN 39928 535 2 such such PDT 39928 535 3 an an DT 39928 535 4 enormous enormous JJ 39928 535 5 base base NN 39928 535 6 - - HYPH 39928 535 7 line line NN 39928 535 8 as as IN 39928 535 9 twice twice PDT 39928 535 10 this this DT 39928 535 11 distance distance NN 39928 535 12 , , , 39928 535 13 which which WDT 39928 535 14 is be VBZ 39928 535 15 available available JJ 39928 535 16 by by IN 39928 535 17 making make VBG 39928 535 18 observations observation NNS 39928 535 19 at at IN 39928 535 20 intervals interval NNS 39928 535 21 of of IN 39928 535 22 about about RB 39928 535 23 six six CD 39928 535 24 months month NNS 39928 535 25 when when WRB 39928 535 26 the the DT 39928 535 27 earth earth NN 39928 535 28 is be VBZ 39928 535 29 at at IN 39928 535 30 opposite opposite JJ 39928 535 31 points point NNS 39928 535 32 in in IN 39928 535 33 its -PRON- PRP$ 39928 535 34 orbit orbit NN 39928 535 35 , , , 39928 535 36 it -PRON- PRP 39928 535 37 seemed seem VBD 39928 535 38 certain certain JJ 39928 535 39 that that IN 39928 535 40 some some DT 39928 535 41 parallax parallax NN 39928 535 42 or or CC 39928 535 43 displacement displacement NN 39928 535 44 of of IN 39928 535 45 the the DT 39928 535 46 nearer nearer JJ 39928 535 47 stars star NNS 39928 535 48 could could MD 39928 535 49 be be VB 39928 535 50 found find VBN 39928 535 51 , , , 39928 535 52 and and CC 39928 535 53 many many JJ 39928 535 54 astronomers astronomer NNS 39928 535 55 with with IN 39928 535 56 the the DT 39928 535 57 best good JJS 39928 535 58 instruments instrument NNS 39928 535 59 devoted devote VBD 39928 535 60 themselves -PRON- PRP 39928 535 61 to to IN 39928 535 62 the the DT 39928 535 63 work work NN 39928 535 64 . . . 39928 536 1 But but CC 39928 536 2 the the DT 39928 536 3 difficulties difficulty NNS 39928 536 4 were be VBD 39928 536 5 enormous enormous JJ 39928 536 6 , , , 39928 536 7 and and CC 39928 536 8 very very RB 39928 536 9 few few JJ 39928 536 10 really really RB 39928 536 11 satisfactory satisfactory JJ 39928 536 12 results result NNS 39928 536 13 were be VBD 39928 536 14 obtained obtain VBN 39928 536 15 till till IN 39928 536 16 the the DT 39928 536 17 latter latter JJ 39928 536 18 half half NN 39928 536 19 of of IN 39928 536 20 the the DT 39928 536 21 nineteenth nineteenth JJ 39928 536 22 century century NN 39928 536 23 . . . 39928 537 1 About about IN 39928 537 2 forty forty CD 39928 537 3 stars star NNS 39928 537 4 have have VBP 39928 537 5 now now RB 39928 537 6 been be VBN 39928 537 7 measured measure VBN 39928 537 8 with with IN 39928 537 9 tolerable tolerable JJ 39928 537 10 certainty certainty NN 39928 537 11 , , , 39928 537 12 though though IN 39928 537 13 of of IN 39928 537 14 course course NN 39928 537 15 with with IN 39928 537 16 a a DT 39928 537 17 considerable considerable JJ 39928 537 18 margin margin NN 39928 537 19 of of IN 39928 537 20 possible possible JJ 39928 537 21 or or CC 39928 537 22 probable probable JJ 39928 537 23 error error NN 39928 537 24 ; ; : 39928 537 25 and and CC 39928 537 26 about about RB 39928 537 27 thirty thirty CD 39928 537 28 more more JJR 39928 537 29 , , , 39928 537 30 which which WDT 39928 537 31 are be VBP 39928 537 32 found find VBN 39928 537 33 to to TO 39928 537 34 have have VB 39928 537 35 a a DT 39928 537 36 parallax parallax NN 39928 537 37 of of IN 39928 537 38 one one CD 39928 537 39 - - HYPH 39928 537 40 tenth tenth NN 39928 537 41 of of IN 39928 537 42 a a DT 39928 537 43 second second JJ 39928 537 44 or or CC 39928 537 45 less less JJR 39928 537 46 , , , 39928 537 47 must must MD 39928 537 48 be be VB 39928 537 49 considered consider VBN 39928 537 50 to to TO 39928 537 51 leave leave VB 39928 537 52 a a DT 39928 537 53 very very RB 39928 537 54 large large JJ 39928 537 55 margin margin NN 39928 537 56 of of IN 39928 537 57 uncertainty uncertainty NN 39928 537 58 . . . 39928 538 1 The the DT 39928 538 2 two two CD 39928 538 3 nearest near JJS 39928 538 4 fixed fix VBN 39928 538 5 stars star NNS 39928 538 6 are be VBP 39928 538 7 Alpha Alpha NNP 39928 538 8 Centauri Centauri NNP 39928 538 9 and and CC 39928 538 10 61 61 CD 39928 538 11 Cygni Cygni NNP 39928 538 12 . . . 39928 539 1 The the DT 39928 539 2 former former JJ 39928 539 3 is be VBZ 39928 539 4 one one CD 39928 539 5 of of IN 39928 539 6 the the DT 39928 539 7 brightest bright JJS 39928 539 8 stars star NNS 39928 539 9 in in IN 39928 539 10 the the DT 39928 539 11 southern southern JJ 39928 539 12 hemisphere hemisphere NN 39928 539 13 , , , 39928 539 14 and and CC 39928 539 15 is be VBZ 39928 539 16 about about IN 39928 539 17 275,000 275,000 CD 39928 539 18 times time NNS 39928 539 19 as as RB 39928 539 20 far far RB 39928 539 21 from from IN 39928 539 22 us -PRON- PRP 39928 539 23 as as IN 39928 539 24 the the DT 39928 539 25 sun sun NN 39928 539 26 . . . 39928 540 1 The the DT 39928 540 2 light light NN 39928 540 3 from from IN 39928 540 4 this this DT 39928 540 5 star star NN 39928 540 6 will will MD 39928 540 7 take take VB 39928 540 8 4 4 CD 39928 540 9 - - HYPH 39928 540 10 1/4 1/4 CD 39928 540 11 years year NNS 39928 540 12 to to TO 39928 540 13 reach reach VB 39928 540 14 us -PRON- PRP 39928 540 15 , , , 39928 540 16 and and CC 39928 540 17 this this DT 39928 540 18 ' ' `` 39928 540 19 light light JJ 39928 540 20 - - HYPH 39928 540 21 journey journey NN 39928 540 22 , , , 39928 540 23 ' ' '' 39928 540 24 as as IN 39928 540 25 it -PRON- PRP 39928 540 26 is be VBZ 39928 540 27 termed term VBN 39928 540 28 , , , 39928 540 29 is be VBZ 39928 540 30 generally generally RB 39928 540 31 used use VBN 39928 540 32 by by IN 39928 540 33 astronomers astronomer NNS 39928 540 34 as as IN 39928 540 35 an an DT 39928 540 36 easily easily RB 39928 540 37 remembered remember VBN 39928 540 38 mode mode NN 39928 540 39 of of IN 39928 540 40 recording record VBG 39928 540 41 the the DT 39928 540 42 distances distance NNS 39928 540 43 of of IN 39928 540 44 the the DT 39928 540 45 fixed fix VBN 39928 540 46 stars star NNS 39928 540 47 , , , 39928 540 48 the the DT 39928 540 49 distance distance NN 39928 540 50 in in IN 39928 540 51 miles mile NNS 39928 540 52 -- -- : 39928 540 53 in in IN 39928 540 54 this this DT 39928 540 55 case case NN 39928 540 56 about about RB 39928 540 57 25 25 CD 39928 540 58 millions million NNS 39928 540 59 of of IN 39928 540 60 millions million NNS 39928 540 61 -- -- : 39928 540 62 being be VBG 39928 540 63 very very RB 39928 540 64 cumbrous cumbrous JJ 39928 540 65 . . . 39928 541 1 The the DT 39928 541 2 other other JJ 39928 541 3 star star NN 39928 541 4 , , , 39928 541 5 61 61 CD 39928 541 6 Cygni Cygni NNP 39928 541 7 , , , 39928 541 8 is be VBZ 39928 541 9 only only RB 39928 541 10 of of IN 39928 541 11 about about RB 39928 541 12 the the DT 39928 541 13 fifth fifth JJ 39928 541 14 magnitude magnitude NN 39928 541 15 , , , 39928 541 16 yet yet CC 39928 541 17 it -PRON- PRP 39928 541 18 is be VBZ 39928 541 19 the the DT 39928 541 20 second second JJ 39928 541 21 nearest near JJS 39928 541 22 to to IN 39928 541 23 us -PRON- PRP 39928 541 24 , , , 39928 541 25 with with IN 39928 541 26 a a DT 39928 541 27 light light JJ 39928 541 28 - - HYPH 39928 541 29 journey journey NN 39928 541 30 of of IN 39928 541 31 about about RB 39928 541 32 7 7 CD 39928 541 33 - - SYM 39928 541 34 1/4 1/4 CD 39928 541 35 years year NNS 39928 541 36 . . . 39928 542 1 If if IN 39928 542 2 we -PRON- PRP 39928 542 3 had have VBD 39928 542 4 no no DT 39928 542 5 other other JJ 39928 542 6 determinations determination NNS 39928 542 7 of of IN 39928 542 8 distance distance NN 39928 542 9 than than IN 39928 542 10 these these DT 39928 542 11 two two CD 39928 542 12 , , , 39928 542 13 the the DT 39928 542 14 facts fact NNS 39928 542 15 would would MD 39928 542 16 be be VB 39928 542 17 of of IN 39928 542 18 the the DT 39928 542 19 highest high JJS 39928 542 20 importance importance NN 39928 542 21 . . . 39928 543 1 They -PRON- PRP 39928 543 2 teach teach VBP 39928 543 3 us -PRON- PRP 39928 543 4 , , , 39928 543 5 first first RB 39928 543 6 , , , 39928 543 7 that that IN 39928 543 8 magnitude magnitude NN 39928 543 9 or or CC 39928 543 10 brightness brightness NN 39928 543 11 of of IN 39928 543 12 a a DT 39928 543 13 star star NN 39928 543 14 is be VBZ 39928 543 15 no no DT 39928 543 16 proof proof NN 39928 543 17 of of IN 39928 543 18 nearness nearness NN 39928 543 19 to to IN 39928 543 20 us -PRON- PRP 39928 543 21 , , , 39928 543 22 a a DT 39928 543 23 fact fact NN 39928 543 24 of of IN 39928 543 25 which which WDT 39928 543 26 there there EX 39928 543 27 is be VBZ 39928 543 28 much much JJ 39928 543 29 other other JJ 39928 543 30 evidence evidence NN 39928 543 31 ; ; : 39928 543 32 and and CC 39928 543 33 in in IN 39928 543 34 the the DT 39928 543 35 second second JJ 39928 543 36 place place NN 39928 543 37 , , , 39928 543 38 they -PRON- PRP 39928 543 39 furnish furnish VBP 39928 543 40 us -PRON- PRP 39928 543 41 with with IN 39928 543 42 a a DT 39928 543 43 probable probable JJ 39928 543 44 minimum minimum JJ 39928 543 45 distance distance NN 39928 543 46 of of IN 39928 543 47 independent independent JJ 39928 543 48 suns sun NNS 39928 543 49 from from IN 39928 543 50 one one CD 39928 543 51 another another DT 39928 543 52 , , , 39928 543 53 which which WDT 39928 543 54 , , , 39928 543 55 in in IN 39928 543 56 proportion proportion NN 39928 543 57 to to IN 39928 543 58 their -PRON- PRP$ 39928 543 59 sizes size NNS 39928 543 60 , , , 39928 543 61 some some DT 39928 543 62 being be VBG 39928 543 63 known know VBN 39928 543 64 to to TO 39928 543 65 be be VB 39928 543 66 many many JJ 39928 543 67 times time NNS 39928 543 68 larger large JJR 39928 543 69 than than IN 39928 543 70 our -PRON- PRP$ 39928 543 71 sun sun NN 39928 543 72 , , , 39928 543 73 is be VBZ 39928 543 74 not not RB 39928 543 75 more more JJR 39928 543 76 than than IN 39928 543 77 we -PRON- PRP 39928 543 78 might may MD 39928 543 79 expect expect VB 39928 543 80 . . . 39928 544 1 This this DT 39928 544 2 remoteness remoteness NN 39928 544 3 may may MD 39928 544 4 be be VB 39928 544 5 partly partly RB 39928 544 6 due due JJ 39928 544 7 to to IN 39928 544 8 those those DT 39928 544 9 which which WDT 39928 544 10 were be VBD 39928 544 11 once once RB 39928 544 12 nearer nearer JJ 39928 544 13 together together RB 39928 544 14 having have VBG 39928 544 15 coalesced coalesce VBN 39928 544 16 under under IN 39928 544 17 the the DT 39928 544 18 influence influence NN 39928 544 19 of of IN 39928 544 20 gravitation gravitation NN 39928 544 21 . . . 39928 545 1 As as IN 39928 545 2 this this DT 39928 545 3 measurement measurement NN 39928 545 4 of of IN 39928 545 5 the the DT 39928 545 6 distance distance NN 39928 545 7 of of IN 39928 545 8 the the DT 39928 545 9 nearer nearer JJ 39928 545 10 stars star NNS 39928 545 11 should should MD 39928 545 12 be be VB 39928 545 13 clearly clearly RB 39928 545 14 understood understand VBN 39928 545 15 by by IN 39928 545 16 every every DT 39928 545 17 one one NN 39928 545 18 who who WP 39928 545 19 wishes wish VBZ 39928 545 20 to to TO 39928 545 21 obtain obtain VB 39928 545 22 some some DT 39928 545 23 real real JJ 39928 545 24 comprehension comprehension NN 39928 545 25 of of IN 39928 545 26 the the DT 39928 545 27 scale scale NN 39928 545 28 of of IN 39928 545 29 this this DT 39928 545 30 vast vast JJ 39928 545 31 universe universe NN 39928 545 32 of of IN 39928 545 33 which which WDT 39928 545 34 we -PRON- PRP 39928 545 35 form form VBP 39928 545 36 a a DT 39928 545 37 part part NN 39928 545 38 , , , 39928 545 39 the the DT 39928 545 40 method method NN 39928 545 41 now now RB 39928 545 42 adopted adopt VBN 39928 545 43 and and CC 39928 545 44 found find VBN 39928 545 45 to to TO 39928 545 46 be be VB 39928 545 47 most most RBS 39928 545 48 effectual effectual JJ 39928 545 49 will will MD 39928 545 50 be be VB 39928 545 51 briefly briefly RB 39928 545 52 explained explain VBN 39928 545 53 . . . 39928 546 1 Everyone everyone NN 39928 546 2 who who WP 39928 546 3 is be VBZ 39928 546 4 acquainted acquaint VBN 39928 546 5 with with IN 39928 546 6 the the DT 39928 546 7 rudiments rudiment NNS 39928 546 8 of of IN 39928 546 9 trigonometry trigonometry NN 39928 546 10 or or CC 39928 546 11 mensuration mensuration NN 39928 546 12 , , , 39928 546 13 knows know VBZ 39928 546 14 that that IN 39928 546 15 an an DT 39928 546 16 inaccessible inaccessible JJ 39928 546 17 distance distance NN 39928 546 18 can can MD 39928 546 19 be be VB 39928 546 20 accurately accurately RB 39928 546 21 determined determine VBN 39928 546 22 if if IN 39928 546 23 we -PRON- PRP 39928 546 24 can can MD 39928 546 25 measure measure VB 39928 546 26 a a DT 39928 546 27 base base NN 39928 546 28 - - HYPH 39928 546 29 line line NN 39928 546 30 from from IN 39928 546 31 both both DT 39928 546 32 ends end NNS 39928 546 33 of of IN 39928 546 34 which which WDT 39928 546 35 the the DT 39928 546 36 inaccessible inaccessible JJ 39928 546 37 object object NN 39928 546 38 can can MD 39928 546 39 be be VB 39928 546 40 seen see VBN 39928 546 41 , , , 39928 546 42 and and CC 39928 546 43 if if IN 39928 546 44 we -PRON- PRP 39928 546 45 have have VBP 39928 546 46 a a DT 39928 546 47 good good JJ 39928 546 48 instrument instrument NN 39928 546 49 with with IN 39928 546 50 which which WDT 39928 546 51 to to TO 39928 546 52 measure measure VB 39928 546 53 angles angle NNS 39928 546 54 . . . 39928 547 1 The the DT 39928 547 2 accuracy accuracy NN 39928 547 3 will will MD 39928 547 4 mainly mainly RB 39928 547 5 depend depend VB 39928 547 6 upon upon IN 39928 547 7 our -PRON- PRP$ 39928 547 8 base base NN 39928 547 9 - - HYPH 39928 547 10 line line NN 39928 547 11 being be VBG 39928 547 12 not not RB 39928 547 13 excessively excessively RB 39928 547 14 short short JJ 39928 547 15 in in IN 39928 547 16 comparison comparison NN 39928 547 17 with with IN 39928 547 18 the the DT 39928 547 19 distance distance NN 39928 547 20 to to TO 39928 547 21 be be VB 39928 547 22 measured measure VBN 39928 547 23 . . . 39928 548 1 If if IN 39928 548 2 it -PRON- PRP 39928 548 3 is be VBZ 39928 548 4 as as RB 39928 548 5 much much JJ 39928 548 6 as as IN 39928 548 7 half half JJ 39928 548 8 or or CC 39928 548 9 even even RB 39928 548 10 a a DT 39928 548 11 quarter quarter NN 39928 548 12 as as RB 39928 548 13 long long RB 39928 548 14 the the DT 39928 548 15 measurement measurement NN 39928 548 16 may may MD 39928 548 17 be be VB 39928 548 18 as as RB 39928 548 19 accurate accurate JJ 39928 548 20 as as IN 39928 548 21 if if IN 39928 548 22 directly directly RB 39928 548 23 performed perform VBN 39928 548 24 over over IN 39928 548 25 the the DT 39928 548 26 ground ground NN 39928 548 27 , , , 39928 548 28 but but CC 39928 548 29 if if IN 39928 548 30 it -PRON- PRP 39928 548 31 is be VBZ 39928 548 32 only only RB 39928 548 33 one one CD 39928 548 34 - - HYPH 39928 548 35 hundredth hundredth JJ 39928 548 36 or or CC 39928 548 37 one one CD 39928 548 38 - - HYPH 39928 548 39 thousandth thousandth NN 39928 548 40 part part NN 39928 548 41 as as RB 39928 548 42 long long JJ 39928 548 43 , , , 39928 548 44 a a DT 39928 548 45 very very RB 39928 548 46 small small JJ 39928 548 47 error error NN 39928 548 48 either either CC 39928 548 49 in in IN 39928 548 50 the the DT 39928 548 51 length length NN 39928 548 52 of of IN 39928 548 53 the the DT 39928 548 54 base base NN 39928 548 55 or or CC 39928 548 56 in in IN 39928 548 57 the the DT 39928 548 58 amount amount NN 39928 548 59 of of IN 39928 548 60 the the DT 39928 548 61 angles angle NNS 39928 548 62 will will MD 39928 548 63 produce produce VB 39928 548 64 a a DT 39928 548 65 large large JJ 39928 548 66 error error NN 39928 548 67 in in IN 39928 548 68 the the DT 39928 548 69 result result NN 39928 548 70 . . . 39928 549 1 In in IN 39928 549 2 measuring measure VBG 39928 549 3 the the DT 39928 549 4 distance distance NN 39928 549 5 of of IN 39928 549 6 the the DT 39928 549 7 moon moon NN 39928 549 8 , , , 39928 549 9 the the DT 39928 549 10 earth earth NN 39928 549 11 's 's POS 39928 549 12 diameter diameter NN 39928 549 13 , , , 39928 549 14 or or CC 39928 549 15 a a DT 39928 549 16 considerable considerable JJ 39928 549 17 portion portion NN 39928 549 18 of of IN 39928 549 19 it -PRON- PRP 39928 549 20 , , , 39928 549 21 has have VBZ 39928 549 22 served serve VBN 39928 549 23 as as IN 39928 549 24 a a DT 39928 549 25 base base NN 39928 549 26 - - HYPH 39928 549 27 line line NN 39928 549 28 . . . 39928 550 1 Either either CC 39928 550 2 two two CD 39928 550 3 observers observer NNS 39928 550 4 at at IN 39928 550 5 great great JJ 39928 550 6 distances distance NNS 39928 550 7 from from IN 39928 550 8 each each DT 39928 550 9 other other JJ 39928 550 10 , , , 39928 550 11 or or CC 39928 550 12 the the DT 39928 550 13 same same JJ 39928 550 14 observer observer NN 39928 550 15 after after IN 39928 550 16 an an DT 39928 550 17 interval interval NN 39928 550 18 of of IN 39928 550 19 nine nine CD 39928 550 20 or or CC 39928 550 21 ten ten CD 39928 550 22 hours hour NNS 39928 550 23 , , , 39928 550 24 may may MD 39928 550 25 examine examine VB 39928 550 26 the the DT 39928 550 27 moon moon NN 39928 550 28 from from IN 39928 550 29 positions position NNS 39928 550 30 six six CD 39928 550 31 or or CC 39928 550 32 seven seven CD 39928 550 33 thousand thousand CD 39928 550 34 miles mile NNS 39928 550 35 apart apart RB 39928 550 36 , , , 39928 550 37 and and CC 39928 550 38 by by IN 39928 550 39 accurate accurate JJ 39928 550 40 measurements measurement NNS 39928 550 41 of of IN 39928 550 42 its -PRON- PRP$ 39928 550 43 angular angular JJ 39928 550 44 distance distance NN 39928 550 45 from from IN 39928 550 46 a a DT 39928 550 47 star star NN 39928 550 48 , , , 39928 550 49 or or CC 39928 550 50 by by IN 39928 550 51 the the DT 39928 550 52 time time NN 39928 550 53 of of IN 39928 550 54 its -PRON- PRP$ 39928 550 55 passage passage NN 39928 550 56 over over IN 39928 550 57 the the DT 39928 550 58 meridian meridian NN 39928 550 59 of of IN 39928 550 60 the the DT 39928 550 61 place place NN 39928 550 62 as as IN 39928 550 63 observed observe VBN 39928 550 64 with with IN 39928 550 65 a a DT 39928 550 66 transit transit NN 39928 550 67 instrument instrument NN 39928 550 68 , , , 39928 550 69 the the DT 39928 550 70 angular angular JJ 39928 550 71 displacement displacement NN 39928 550 72 can can MD 39928 550 73 be be VB 39928 550 74 found find VBN 39928 550 75 and and CC 39928 550 76 the the DT 39928 550 77 distance distance NN 39928 550 78 determined determine VBD 39928 550 79 with with IN 39928 550 80 very very RB 39928 550 81 great great JJ 39928 550 82 accuracy accuracy NN 39928 550 83 , , , 39928 550 84 although although IN 39928 550 85 that that DT 39928 550 86 distance distance NN 39928 550 87 is be VBZ 39928 550 88 more more JJR 39928 550 89 than than IN 39928 550 90 thirty thirty CD 39928 550 91 times time NNS 39928 550 92 the the DT 39928 550 93 length length NN 39928 550 94 of of IN 39928 550 95 the the DT 39928 550 96 base base NN 39928 550 97 . . . 39928 551 1 The the DT 39928 551 2 distance distance NN 39928 551 3 of of IN 39928 551 4 the the DT 39928 551 5 planet planet NN 39928 551 6 Mars Mars NNP 39928 551 7 when when WRB 39928 551 8 nearest near JJS 39928 551 9 to to IN 39928 551 10 us -PRON- PRP 39928 551 11 has have VBZ 39928 551 12 been be VBN 39928 551 13 found find VBN 39928 551 14 in in IN 39928 551 15 the the DT 39928 551 16 same same JJ 39928 551 17 way way NN 39928 551 18 . . . 39928 552 1 His -PRON- PRP$ 39928 552 2 distance distance NN 39928 552 3 from from IN 39928 552 4 us -PRON- PRP 39928 552 5 even even RB 39928 552 6 when when WRB 39928 552 7 at at IN 39928 552 8 his -PRON- PRP$ 39928 552 9 nearest near JJS 39928 552 10 point point NN 39928 552 11 during during IN 39928 552 12 the the DT 39928 552 13 most most RBS 39928 552 14 favourable favourable JJ 39928 552 15 oppositions opposition NNS 39928 552 16 is be VBZ 39928 552 17 about about RB 39928 552 18 36 36 CD 39928 552 19 million million CD 39928 552 20 miles mile NNS 39928 552 21 , , , 39928 552 22 or or CC 39928 552 23 more more JJR 39928 552 24 than than IN 39928 552 25 four four CD 39928 552 26 thousand thousand CD 39928 552 27 times time NNS 39928 552 28 the the DT 39928 552 29 earth earth NN 39928 552 30 's 's POS 39928 552 31 diameter diameter NN 39928 552 32 , , , 39928 552 33 so so IN 39928 552 34 that that IN 39928 552 35 it -PRON- PRP 39928 552 36 requires require VBZ 39928 552 37 the the DT 39928 552 38 most most RBS 39928 552 39 delicate delicate JJ 39928 552 40 observations observation NNS 39928 552 41 many many JJ 39928 552 42 times time NNS 39928 552 43 repeated repeat VBN 39928 552 44 and and CC 39928 552 45 with with IN 39928 552 46 the the DT 39928 552 47 finest fine JJS 39928 552 48 instruments instrument NNS 39928 552 49 to to TO 39928 552 50 obtain obtain VB 39928 552 51 a a DT 39928 552 52 tolerably tolerably RB 39928 552 53 approximate approximate JJ 39928 552 54 result result NN 39928 552 55 . . . 39928 553 1 When when WRB 39928 553 2 this this DT 39928 553 3 is be VBZ 39928 553 4 done do VBN 39928 553 5 , , , 39928 553 6 by by IN 39928 553 7 Kepler Kepler NNP 39928 553 8 's 's POS 39928 553 9 law law NN 39928 553 10 of of IN 39928 553 11 the the DT 39928 553 12 fixed fix VBN 39928 553 13 proportion proportion NN 39928 553 14 between between IN 39928 553 15 the the DT 39928 553 16 distances distance NNS 39928 553 17 of of IN 39928 553 18 planets planet NNS 39928 553 19 from from IN 39928 553 20 the the DT 39928 553 21 sun sun NN 39928 553 22 and and CC 39928 553 23 their -PRON- PRP$ 39928 553 24 times time NNS 39928 553 25 of of IN 39928 553 26 revolution revolution NN 39928 553 27 , , , 39928 553 28 the the DT 39928 553 29 proportionate proportionate NN 39928 553 30 distance distance NN 39928 553 31 of of IN 39928 553 32 all all PDT 39928 553 33 the the DT 39928 553 34 other other JJ 39928 553 35 planets planet NNS 39928 553 36 and and CC 39928 553 37 that that DT 39928 553 38 of of IN 39928 553 39 the the DT 39928 553 40 sun sun NN 39928 553 41 can can MD 39928 553 42 be be VB 39928 553 43 ascertained ascertain VBN 39928 553 44 . . . 39928 554 1 This this DT 39928 554 2 method method NN 39928 554 3 , , , 39928 554 4 however however RB 39928 554 5 , , , 39928 554 6 is be VBZ 39928 554 7 not not RB 39928 554 8 sufficiently sufficiently RB 39928 554 9 accurate accurate JJ 39928 554 10 to to TO 39928 554 11 satisfy satisfy VB 39928 554 12 astronomers astronomer NNS 39928 554 13 , , , 39928 554 14 because because IN 39928 554 15 upon upon IN 39928 554 16 the the DT 39928 554 17 sun sun NN 39928 554 18 's 's POS 39928 554 19 distance distance NN 39928 554 20 that that DT 39928 554 21 of of IN 39928 554 22 every every DT 39928 554 23 other other JJ 39928 554 24 member member NN 39928 554 25 of of IN 39928 554 26 the the DT 39928 554 27 solar solar JJ 39928 554 28 system system NN 39928 554 29 depends depend VBZ 39928 554 30 . . . 39928 555 1 Fortunately fortunately RB 39928 555 2 there there EX 39928 555 3 are be VBP 39928 555 4 two two CD 39928 555 5 other other JJ 39928 555 6 methods method NNS 39928 555 7 by by IN 39928 555 8 which which WDT 39928 555 9 this this DT 39928 555 10 important important JJ 39928 555 11 measurement measurement NN 39928 555 12 has have VBZ 39928 555 13 been be VBN 39928 555 14 made make VBN 39928 555 15 with with IN 39928 555 16 much much RB 39928 555 17 greater great JJR 39928 555 18 approach approach NN 39928 555 19 to to IN 39928 555 20 certainty certainty NN 39928 555 21 and and CC 39928 555 22 precision precision NN 39928 555 23 . . . 39928 556 1 [ [ -LRB- 39928 556 2 Illustration illustration NN 39928 556 3 : : : 39928 556 4 Diagram Diagram NNP 39928 556 5 illustrating illustrate VBG 39928 556 6 the the DT 39928 556 7 transit transit NN 39928 556 8 of of IN 39928 556 9 Venus Venus NNP 39928 556 10 . . . 39928 556 11 ] ] -RRB- 39928 557 1 The the DT 39928 557 2 first first JJ 39928 557 3 of of IN 39928 557 4 these these DT 39928 557 5 methods method NNS 39928 557 6 is be VBZ 39928 557 7 by by IN 39928 557 8 means mean NNS 39928 557 9 of of IN 39928 557 10 the the DT 39928 557 11 rare rare JJ 39928 557 12 occasions occasion NNS 39928 557 13 when when WRB 39928 557 14 the the DT 39928 557 15 planet planet NN 39928 557 16 Venus Venus NNP 39928 557 17 passes pass VBZ 39928 557 18 across across IN 39928 557 19 the the DT 39928 557 20 sun sun NN 39928 557 21 's 's POS 39928 557 22 disc disc NN 39928 557 23 as as IN 39928 557 24 seen see VBN 39928 557 25 from from IN 39928 557 26 the the DT 39928 557 27 earth earth NN 39928 557 28 . . . 39928 558 1 When when WRB 39928 558 2 this this DT 39928 558 3 takes take VBZ 39928 558 4 place place NN 39928 558 5 , , , 39928 558 6 observations observation NNS 39928 558 7 of of IN 39928 558 8 the the DT 39928 558 9 transit transit NN 39928 558 10 , , , 39928 558 11 as as IN 39928 558 12 it -PRON- PRP 39928 558 13 is be VBZ 39928 558 14 termed term VBN 39928 558 15 , , , 39928 558 16 are be VBP 39928 558 17 made make VBN 39928 558 18 at at IN 39928 558 19 remote remote JJ 39928 558 20 parts part NNS 39928 558 21 of of IN 39928 558 22 the the DT 39928 558 23 earth earth NN 39928 558 24 , , , 39928 558 25 the the DT 39928 558 26 distance distance NN 39928 558 27 between between IN 39928 558 28 which which WDT 39928 558 29 places place NNS 39928 558 30 can can MD 39928 558 31 of of IN 39928 558 32 course course NN 39928 558 33 easily easily RB 39928 558 34 be be VB 39928 558 35 calculated calculate VBN 39928 558 36 from from IN 39928 558 37 their -PRON- PRP$ 39928 558 38 latitudes latitude NNS 39928 558 39 and and CC 39928 558 40 longitudes longitude NNS 39928 558 41 . . . 39928 559 1 The the DT 39928 559 2 diagram diagram NN 39928 559 3 here here RB 39928 559 4 given give VBD 39928 559 5 illustrates illustrate VBZ 39928 559 6 the the DT 39928 559 7 simplest simple JJS 39928 559 8 mode mode NN 39928 559 9 of of IN 39928 559 10 determining determine VBG 39928 559 11 the the DT 39928 559 12 sun sun NN 39928 559 13 's 's POS 39928 559 14 distance distance NN 39928 559 15 by by IN 39928 559 16 this this DT 39928 559 17 observation observation NN 39928 559 18 , , , 39928 559 19 and and CC 39928 559 20 the the DT 39928 559 21 following follow VBG 39928 559 22 description description NN 39928 559 23 from from IN 39928 559 24 Proctor Proctor NNP 39928 559 25 's 's POS 39928 559 26 _ _ NNP 39928 559 27 Old Old NNP 39928 559 28 and and CC 39928 559 29 New New NNP 39928 559 30 Astronomy Astronomy NNP 39928 559 31 _ _ NNP 39928 559 32 is be VBZ 39928 559 33 so so RB 39928 559 34 clear clear JJ 39928 559 35 that that IN 39928 559 36 I -PRON- PRP 39928 559 37 copy copy VBP 39928 559 38 it -PRON- PRP 39928 559 39 verbally:--'V verbally:--'V NNP 39928 559 40 represents represent VBZ 39928 559 41 Venus Venus NNP 39928 559 42 passing pass VBG 39928 559 43 between between IN 39928 559 44 the the DT 39928 559 45 Earth Earth NNP 39928 559 46 E e NN 39928 559 47 and and CC 39928 559 48 the the DT 39928 559 49 Sun Sun NNP 39928 559 50 S S NNP 39928 559 51 ; ; : 39928 559 52 and and CC 39928 559 53 we -PRON- PRP 39928 559 54 see see VBP 39928 559 55 how how WRB 39928 559 56 an an DT 39928 559 57 observer observer NN 39928 559 58 at at IN 39928 559 59 E e NN 39928 559 60 will will MD 39928 559 61 see see VB 39928 559 62 Venus Venus NNP 39928 559 63 as as IN 39928 559 64 at at IN 39928 559 65 v v NN 39928 559 66 ' ' '' 39928 559 67 , , , 39928 559 68 while while IN 39928 559 69 an an DT 39928 559 70 observer observer NN 39928 559 71 at at IN 39928 559 72 E e NN 39928 559 73 ' ' '' 39928 559 74 will will MD 39928 559 75 see see VB 39928 559 76 her -PRON- PRP 39928 559 77 as as IN 39928 559 78 at at IN 39928 559 79 v. v. NN 39928 559 80 The the DT 39928 559 81 measurement measurement NN 39928 559 82 of of IN 39928 559 83 the the DT 39928 559 84 distance distance NN 39928 559 85 v v NNP 39928 559 86 v v NNP 39928 559 87 ' ' '' 39928 559 88 , , , 39928 559 89 as as IN 39928 559 90 compared compare VBN 39928 559 91 with with IN 39928 559 92 the the DT 39928 559 93 diameter diameter NN 39928 559 94 of of IN 39928 559 95 the the DT 39928 559 96 sun sun NN 39928 559 97 's 's POS 39928 559 98 disc disc NN 39928 559 99 , , , 39928 559 100 determines determine VBZ 39928 559 101 the the DT 39928 559 102 angle angle NN 39928 559 103 v v NN 39928 559 104 V v NN 39928 559 105 v v NN 39928 559 106 ' ' '' 39928 559 107 or or CC 39928 559 108 E e NN 39928 559 109 V v NN 39928 559 110 E e NN 39928 559 111 ' ' '' 39928 559 112 ; ; : 39928 559 113 whence whence IN 39928 559 114 the the DT 39928 559 115 distance distance NN 39928 559 116 E e NN 39928 559 117 V v NN 39928 559 118 can can MD 39928 559 119 be be VB 39928 559 120 calculated calculate VBN 39928 559 121 from from IN 39928 559 122 the the DT 39928 559 123 known know VBN 39928 559 124 length length NN 39928 559 125 of of IN 39928 559 126 the the DT 39928 559 127 base base NN 39928 559 128 - - HYPH 39928 559 129 line line NN 39928 559 130 E e NN 39928 559 131 E e NN 39928 559 132 ' ' '' 39928 559 133 . . . 39928 560 1 For for IN 39928 560 2 instance instance NN 39928 560 3 , , , 39928 560 4 it -PRON- PRP 39928 560 5 is be VBZ 39928 560 6 known know VBN 39928 560 7 ( ( -LRB- 39928 560 8 from from IN 39928 560 9 the the DT 39928 560 10 known know VBN 39928 560 11 proportions proportion NNS 39928 560 12 of of IN 39928 560 13 the the DT 39928 560 14 Solar Solar NNP 39928 560 15 System System NNP 39928 560 16 as as IN 39928 560 17 determined determine VBN 39928 560 18 from from IN 39928 560 19 the the DT 39928 560 20 times time NNS 39928 560 21 of of IN 39928 560 22 revolution revolution NN 39928 560 23 by by IN 39928 560 24 Kepler Kepler NNP 39928 560 25 's 's POS 39928 560 26 third third JJ 39928 560 27 law law NN 39928 560 28 ) ) -RRB- 39928 560 29 that that IN 39928 560 30 E e NN 39928 560 31 V v NN 39928 560 32 bears bear VBZ 39928 560 33 to to IN 39928 560 34 V v NN 39928 560 35 v v IN 39928 560 36 the the DT 39928 560 37 proportion proportion NN 39928 560 38 28 28 CD 39928 560 39 to to IN 39928 560 40 72 72 CD 39928 560 41 , , , 39928 560 42 or or CC 39928 560 43 7 7 CD 39928 560 44 to to IN 39928 560 45 18 18 CD 39928 560 46 ; ; : 39928 560 47 whence whence NN 39928 560 48 E e NN 39928 560 49 E e NN 39928 560 50 ' ' '' 39928 560 51 bears bear NNS 39928 560 52 to to IN 39928 560 53 v v NN 39928 560 54 v v NN 39928 560 55 ' ' '' 39928 560 56 the the DT 39928 560 57 same same JJ 39928 560 58 proportion proportion NN 39928 560 59 . . . 39928 561 1 Suppose suppose VB 39928 561 2 , , , 39928 561 3 now now RB 39928 561 4 , , , 39928 561 5 that that IN 39928 561 6 the the DT 39928 561 7 distance distance NN 39928 561 8 between between IN 39928 561 9 the the DT 39928 561 10 two two CD 39928 561 11 stations station NNS 39928 561 12 is be VBZ 39928 561 13 known know VBN 39928 561 14 to to TO 39928 561 15 be be VB 39928 561 16 7000 7000 CD 39928 561 17 miles mile NNS 39928 561 18 , , , 39928 561 19 so so IN 39928 561 20 that that IN 39928 561 21 v v NN 39928 561 22 v v NN 39928 561 23 ' ' '' 39928 561 24 is be VBZ 39928 561 25 18,000 18,000 CD 39928 561 26 miles mile NNS 39928 561 27 ; ; : 39928 561 28 and and CC 39928 561 29 that that IN 39928 561 30 v v NN 39928 561 31 v v NN 39928 561 32 ' ' '' 39928 561 33 is be VBZ 39928 561 34 found find VBN 39928 561 35 by by IN 39928 561 36 accurate accurate JJ 39928 561 37 measurement measurement NN 39928 561 38 to to TO 39928 561 39 be be VB 39928 561 40 1/48 1/48 CD 39928 561 41 part part NN 39928 561 42 of of IN 39928 561 43 the the DT 39928 561 44 sun sun NN 39928 561 45 's 's POS 39928 561 46 diameter diameter NN 39928 561 47 . . . 39928 562 1 Then then RB 39928 562 2 the the DT 39928 562 3 sun sun NN 39928 562 4 's 's POS 39928 562 5 diameter diameter NN 39928 562 6 , , , 39928 562 7 as as IN 39928 562 8 determined determine VBN 39928 562 9 by by IN 39928 562 10 this this DT 39928 562 11 observation observation NN 39928 562 12 , , , 39928 562 13 is be VBZ 39928 562 14 48 48 CD 39928 562 15 times time NNS 39928 562 16 18,000 18,000 CD 39928 562 17 miles mile NNS 39928 562 18 , , , 39928 562 19 or or CC 39928 562 20 864,000 864,000 CD 39928 562 21 miles mile NNS 39928 562 22 ; ; : 39928 562 23 whence whence NN 39928 562 24 from from IN 39928 562 25 his -PRON- PRP$ 39928 562 26 known know VBN 39928 562 27 apparent apparent JJ 39928 562 28 size size NN 39928 562 29 , , , 39928 562 30 which which WDT 39928 562 31 is be VBZ 39928 562 32 that that DT 39928 562 33 of of IN 39928 562 34 a a DT 39928 562 35 globe globe NNP 39928 562 36 107 107 CD 39928 562 37 - - SYM 39928 562 38 1/3 1/3 CD 39928 562 39 times time NNS 39928 562 40 farther farther RB 39928 562 41 away away RB 39928 562 42 from from IN 39928 562 43 us -PRON- PRP 39928 562 44 than than IN 39928 562 45 its -PRON- PRP$ 39928 562 46 own own JJ 39928 562 47 diameter diameter NN 39928 562 48 , , , 39928 562 49 his -PRON- PRP$ 39928 562 50 distance distance NN 39928 562 51 is be VBZ 39928 562 52 found find VBN 39928 562 53 to to TO 39928 562 54 be be VB 39928 562 55 92,736,000 92,736,000 CD 39928 562 56 miles mile NNS 39928 562 57 . . . 39928 562 58 ' ' '' 39928 563 1 Of of RB 39928 563 2 course course RB 39928 563 3 , , , 39928 563 4 there there EX 39928 563 5 being be VBG 39928 563 6 two two CD 39928 563 7 observers observer NNS 39928 563 8 , , , 39928 563 9 the the DT 39928 563 10 proportion proportion NN 39928 563 11 of of IN 39928 563 12 the the DT 39928 563 13 distance distance NN 39928 563 14 v v NNP 39928 563 15 v v NNP 39928 563 16 ' ' '' 39928 563 17 to to IN 39928 563 18 the the DT 39928 563 19 diameter diameter NN 39928 563 20 of of IN 39928 563 21 the the DT 39928 563 22 sun sun NN 39928 563 23 's 's POS 39928 563 24 disc disc NN 39928 563 25 can can MD 39928 563 26 not not RB 39928 563 27 be be VB 39928 563 28 measured measure VBN 39928 563 29 directly directly RB 39928 563 30 , , , 39928 563 31 but but CC 39928 563 32 each each DT 39928 563 33 of of IN 39928 563 34 them -PRON- PRP 39928 563 35 can can MD 39928 563 36 measure measure VB 39928 563 37 the the DT 39928 563 38 apparent apparent JJ 39928 563 39 angular angular JJ 39928 563 40 distance distance NN 39928 563 41 of of IN 39928 563 42 the the DT 39928 563 43 planet planet NN 39928 563 44 from from IN 39928 563 45 the the DT 39928 563 46 sun sun NN 39928 563 47 's 's POS 39928 563 48 upper upper JJ 39928 563 49 and and CC 39928 563 50 lower low JJR 39928 563 51 margins margin NNS 39928 563 52 as as IN 39928 563 53 it -PRON- PRP 39928 563 54 passes pass VBZ 39928 563 55 across across IN 39928 563 56 the the DT 39928 563 57 disc disc NN 39928 563 58 , , , 39928 563 59 and and CC 39928 563 60 thus thus RB 39928 563 61 the the DT 39928 563 62 angular angular JJ 39928 563 63 distance distance NN 39928 563 64 between between IN 39928 563 65 the the DT 39928 563 66 two two CD 39928 563 67 lines line NNS 39928 563 68 of of IN 39928 563 69 transit transit NN 39928 563 70 can can MD 39928 563 71 be be VB 39928 563 72 obtained obtain VBN 39928 563 73 . . . 39928 564 1 The the DT 39928 564 2 distance distance NN 39928 564 3 v v NN 39928 564 4 v v NN 39928 564 5 ' ' '' 39928 564 6 can can MD 39928 564 7 also also RB 39928 564 8 be be VB 39928 564 9 found find VBN 39928 564 10 by by IN 39928 564 11 accurately accurately RB 39928 564 12 noting note VBG 39928 564 13 the the DT 39928 564 14 times time NNS 39928 564 15 of of IN 39928 564 16 the the DT 39928 564 17 upper upper JJ 39928 564 18 and and CC 39928 564 19 lower low JJR 39928 564 20 passage passage NN 39928 564 21 of of IN 39928 564 22 Venus Venus NNP 39928 564 23 , , , 39928 564 24 which which WDT 39928 564 25 , , , 39928 564 26 as as IN 39928 564 27 the the DT 39928 564 28 line line NN 39928 564 29 of of IN 39928 564 30 transit transit NN 39928 564 31 is be VBZ 39928 564 32 considerably considerably RB 39928 564 33 shorter short JJR 39928 564 34 in in IN 39928 564 35 one one CD 39928 564 36 than than IN 39928 564 37 the the DT 39928 564 38 other other JJ 39928 564 39 , , , 39928 564 40 gives give VBZ 39928 564 41 by by IN 39928 564 42 the the DT 39928 564 43 known know VBN 39928 564 44 properties property NNS 39928 564 45 of of IN 39928 564 46 the the DT 39928 564 47 circle circle NN 39928 564 48 the the DT 39928 564 49 exact exact JJ 39928 564 50 proportion proportion NN 39928 564 51 of of IN 39928 564 52 the the DT 39928 564 53 distance distance NN 39928 564 54 between between IN 39928 564 55 them -PRON- PRP 39928 564 56 to to IN 39928 564 57 the the DT 39928 564 58 sun sun NN 39928 564 59 's 's POS 39928 564 60 diameter diameter NN 39928 564 61 ; ; : 39928 564 62 and and CC 39928 564 63 as as IN 39928 564 64 this this DT 39928 564 65 is be VBZ 39928 564 66 found find VBN 39928 564 67 to to TO 39928 564 68 be be VB 39928 564 69 the the DT 39928 564 70 most most RBS 39928 564 71 accurate accurate JJ 39928 564 72 method method NN 39928 564 73 , , , 39928 564 74 it -PRON- PRP 39928 564 75 is be VBZ 39928 564 76 the the DT 39928 564 77 one one CD 39928 564 78 generally generally RB 39928 564 79 adopted adopt VBN 39928 564 80 . . . 39928 565 1 For for IN 39928 565 2 this this DT 39928 565 3 purpose purpose NN 39928 565 4 the the DT 39928 565 5 stations station NNS 39928 565 6 of of IN 39928 565 7 the the DT 39928 565 8 observers observer NNS 39928 565 9 are be VBP 39928 565 10 so so RB 39928 565 11 chosen choose VBN 39928 565 12 that that IN 39928 565 13 the the DT 39928 565 14 length length NN 39928 565 15 of of IN 39928 565 16 the the DT 39928 565 17 two two CD 39928 565 18 chords chord NNS 39928 565 19 , , , 39928 565 20 v v NN 39928 565 21 and and CC 39928 565 22 v v NNP 39928 565 23 ' ' '' 39928 565 24 , , , 39928 565 25 may may MD 39928 565 26 have have VB 39928 565 27 a a DT 39928 565 28 considerable considerable JJ 39928 565 29 difference difference NN 39928 565 30 , , , 39928 565 31 thus thus RB 39928 565 32 rendering render VBG 39928 565 33 the the DT 39928 565 34 measurement measurement NN 39928 565 35 more more RBR 39928 565 36 easy easy JJ 39928 565 37 . . . 39928 566 1 The the DT 39928 566 2 other other JJ 39928 566 3 method method NN 39928 566 4 of of IN 39928 566 5 determining determine VBG 39928 566 6 the the DT 39928 566 7 sun sun NN 39928 566 8 's 's POS 39928 566 9 distance distance NN 39928 566 10 is be VBZ 39928 566 11 by by IN 39928 566 12 the the DT 39928 566 13 direct direct JJ 39928 566 14 measurement measurement NN 39928 566 15 of of IN 39928 566 16 the the DT 39928 566 17 velocity velocity NN 39928 566 18 of of IN 39928 566 19 light light NN 39928 566 20 . . . 39928 567 1 This this DT 39928 567 2 was be VBD 39928 567 3 first first RB 39928 567 4 done do VBN 39928 567 5 by by IN 39928 567 6 the the DT 39928 567 7 French french JJ 39928 567 8 physicist physicist NN 39928 567 9 , , , 39928 567 10 Fizeau Fizeau NNP 39928 567 11 , , , 39928 567 12 in in IN 39928 567 13 1849 1849 CD 39928 567 14 , , , 39928 567 15 by by IN 39928 567 16 the the DT 39928 567 17 use use NN 39928 567 18 of of IN 39928 567 19 rapidly rapidly RB 39928 567 20 revolving revolving JJ 39928 567 21 mirrors mirror NNS 39928 567 22 , , , 39928 567 23 as as IN 39928 567 24 described describe VBN 39928 567 25 in in IN 39928 567 26 most most JJS 39928 567 27 works work NNS 39928 567 28 on on IN 39928 567 29 physics physics NN 39928 567 30 . . . 39928 568 1 This this DT 39928 568 2 method method NN 39928 568 3 has have VBZ 39928 568 4 now now RB 39928 568 5 been be VBN 39928 568 6 brought bring VBN 39928 568 7 to to IN 39928 568 8 such such PDT 39928 568 9 a a DT 39928 568 10 decree decree NN 39928 568 11 of of IN 39928 568 12 perfection perfection NN 39928 568 13 that that IN 39928 568 14 the the DT 39928 568 15 sun sun NN 39928 568 16 's 's POS 39928 568 17 distance distance NN 39928 568 18 so so RB 39928 568 19 determined determined JJ 39928 568 20 is be VBZ 39928 568 21 considered consider VBN 39928 568 22 to to TO 39928 568 23 be be VB 39928 568 24 equally equally RB 39928 568 25 trustworthy trustworthy JJ 39928 568 26 with with IN 39928 568 27 that that DT 39928 568 28 derived derive VBN 39928 568 29 from from IN 39928 568 30 the the DT 39928 568 31 transits transit NNS 39928 568 32 of of IN 39928 568 33 Venus Venus NNP 39928 568 34 . . . 39928 569 1 The the DT 39928 569 2 reason reason NN 39928 569 3 that that IN 39928 569 4 the the DT 39928 569 5 determination determination NN 39928 569 6 of of IN 39928 569 7 the the DT 39928 569 8 velocity velocity NN 39928 569 9 of of IN 39928 569 10 light light NN 39928 569 11 leads lead VBZ 39928 569 12 to to IN 39928 569 13 a a DT 39928 569 14 determination determination NN 39928 569 15 of of IN 39928 569 16 the the DT 39928 569 17 sun sun NN 39928 569 18 's 's POS 39928 569 19 distance distance NN 39928 569 20 is be VBZ 39928 569 21 , , , 39928 569 22 because because IN 39928 569 23 the the DT 39928 569 24 time time NN 39928 569 25 taken take VBN 39928 569 26 by by IN 39928 569 27 light light NN 39928 569 28 to to TO 39928 569 29 pass pass VB 39928 569 30 from from IN 39928 569 31 the the DT 39928 569 32 sun sun NN 39928 569 33 to to IN 39928 569 34 the the DT 39928 569 35 earth earth NN 39928 569 36 is be VBZ 39928 569 37 independently independently RB 39928 569 38 known know VBN 39928 569 39 to to TO 39928 569 40 be be VB 39928 569 41 8 8 CD 39928 569 42 min min NN 39928 569 43 . . . 39928 570 1 13 13 CD 39928 570 2 - - SYM 39928 570 3 1/3 1/3 CD 39928 570 4 sec sec NNP 39928 570 5 . . . 39928 571 1 This this DT 39928 571 2 was be VBD 39928 571 3 discovered discover VBN 39928 571 4 so so RB 39928 571 5 long long RB 39928 571 6 ago ago RB 39928 571 7 as as IN 39928 571 8 1675 1675 CD 39928 571 9 by by IN 39928 571 10 means mean NNS 39928 571 11 of of IN 39928 571 12 the the DT 39928 571 13 eclipses eclipse NNS 39928 571 14 of of IN 39928 571 15 Jupiter Jupiter NNP 39928 571 16 's 's POS 39928 571 17 satellites satellite NNS 39928 571 18 . . . 39928 572 1 These these DT 39928 572 2 satellites satellite NNS 39928 572 3 revolve revolve VBP 39928 572 4 round round IN 39928 572 5 the the DT 39928 572 6 planet planet NN 39928 572 7 in in IN 39928 572 8 from from IN 39928 572 9 1 1 CD 39928 572 10 - - SYM 39928 572 11 3/4 3/4 CD 39928 572 12 to to TO 39928 572 13 16 16 CD 39928 572 14 days day NNS 39928 572 15 , , , 39928 572 16 and and CC 39928 572 17 , , , 39928 572 18 owing owe VBG 39928 572 19 to to IN 39928 572 20 their -PRON- PRP$ 39928 572 21 moving move VBG 39928 572 22 very very RB 39928 572 23 nearly nearly RB 39928 572 24 in in IN 39928 572 25 the the DT 39928 572 26 plane plane NN 39928 572 27 of of IN 39928 572 28 the the DT 39928 572 29 ecliptic ecliptic JJ 39928 572 30 and and CC 39928 572 31 the the DT 39928 572 32 shadow shadow NN 39928 572 33 of of IN 39928 572 34 Jupiter Jupiter NNP 39928 572 35 being be VBG 39928 572 36 so so RB 39928 572 37 large large JJ 39928 572 38 , , , 39928 572 39 the the DT 39928 572 40 three three CD 39928 572 41 which which WDT 39928 572 42 are be VBP 39928 572 43 nearest near JJS 39928 572 44 to to IN 39928 572 45 the the DT 39928 572 46 planet planet NN 39928 572 47 are be VBP 39928 572 48 eclipsed eclipse VBN 39928 572 49 at at IN 39928 572 50 every every DT 39928 572 51 revolution revolution NN 39928 572 52 . . . 39928 573 1 This this DT 39928 573 2 rapid rapid JJ 39928 573 3 revolution revolution NN 39928 573 4 of of IN 39928 573 5 the the DT 39928 573 6 satellites satellite NNS 39928 573 7 and and CC 39928 573 8 frequency frequency NN 39928 573 9 of of IN 39928 573 10 the the DT 39928 573 11 eclipses eclipse NNS 39928 573 12 enabled enable VBD 39928 573 13 their -PRON- PRP$ 39928 573 14 periods period NNS 39928 573 15 of of IN 39928 573 16 recurrence recurrence NN 39928 573 17 to to TO 39928 573 18 be be VB 39928 573 19 determined determine VBN 39928 573 20 with with IN 39928 573 21 extreme extreme JJ 39928 573 22 accuracy accuracy NN 39928 573 23 , , , 39928 573 24 especially especially RB 39928 573 25 after after IN 39928 573 26 many many JJ 39928 573 27 years year NNS 39928 573 28 of of IN 39928 573 29 careful careful JJ 39928 573 30 observation observation NN 39928 573 31 . . . 39928 574 1 It -PRON- PRP 39928 574 2 was be VBD 39928 574 3 then then RB 39928 574 4 found find VBN 39928 574 5 that that IN 39928 574 6 when when WRB 39928 574 7 Jupiter Jupiter NNP 39928 574 8 was be VBD 39928 574 9 at at IN 39928 574 10 its -PRON- PRP$ 39928 574 11 farthest farth JJS 39928 574 12 distance distance NN 39928 574 13 from from IN 39928 574 14 the the DT 39928 574 15 earth earth NN 39928 574 16 the the DT 39928 574 17 eclipses eclipse NNS 39928 574 18 of of IN 39928 574 19 the the DT 39928 574 20 satellites satellite NNS 39928 574 21 took take VBD 39928 574 22 place place NN 39928 574 23 a a DT 39928 574 24 little little JJ 39928 574 25 more more JJR 39928 574 26 than than IN 39928 574 27 eight eight CD 39928 574 28 minutes minute NNS 39928 574 29 later later RB 39928 574 30 than than IN 39928 574 31 the the DT 39928 574 32 time time NN 39928 574 33 calculated calculate VBN 39928 574 34 from from IN 39928 574 35 the the DT 39928 574 36 mean mean JJ 39928 574 37 period period NN 39928 574 38 of of IN 39928 574 39 revolution revolution NN 39928 574 40 , , , 39928 574 41 and and CC 39928 574 42 when when WRB 39928 574 43 the the DT 39928 574 44 planet planet NN 39928 574 45 was be VBD 39928 574 46 nearest near JJS 39928 574 47 to to IN 39928 574 48 us -PRON- PRP 39928 574 49 the the DT 39928 574 50 eclipses eclipse NNS 39928 574 51 occurred occur VBD 39928 574 52 the the DT 39928 574 53 same same JJ 39928 574 54 amount amount NN 39928 574 55 earlier early RBR 39928 574 56 . . . 39928 575 1 And and CC 39928 575 2 when when WRB 39928 575 3 further further JJ 39928 575 4 observation observation NN 39928 575 5 showed show VBD 39928 575 6 that that IN 39928 575 7 there there EX 39928 575 8 was be VBD 39928 575 9 no no DT 39928 575 10 difference difference NN 39928 575 11 between between IN 39928 575 12 calculation calculation NN 39928 575 13 and and CC 39928 575 14 observation observation NN 39928 575 15 when when WRB 39928 575 16 the the DT 39928 575 17 planet planet NN 39928 575 18 was be VBD 39928 575 19 at at IN 39928 575 20 its -PRON- PRP$ 39928 575 21 mean mean JJ 39928 575 22 distance distance NN 39928 575 23 from from IN 39928 575 24 us -PRON- PRP 39928 575 25 , , , 39928 575 26 and and CC 39928 575 27 that that IN 39928 575 28 the the DT 39928 575 29 error error NN 39928 575 30 arose arise VBD 39928 575 31 and and CC 39928 575 32 increased increase VBD 39928 575 33 exactly exactly RB 39928 575 34 in in IN 39928 575 35 proportion proportion NN 39928 575 36 to to IN 39928 575 37 our -PRON- PRP$ 39928 575 38 varying vary VBG 39928 575 39 distance distance NN 39928 575 40 from from IN 39928 575 41 it -PRON- PRP 39928 575 42 , , , 39928 575 43 then then RB 39928 575 44 it -PRON- PRP 39928 575 45 became become VBD 39928 575 46 clear clear JJ 39928 575 47 that that IN 39928 575 48 the the DT 39928 575 49 only only JJ 39928 575 50 cause cause NN 39928 575 51 adequate adequate JJ 39928 575 52 to to TO 39928 575 53 produce produce VB 39928 575 54 such such PDT 39928 575 55 an an DT 39928 575 56 effect effect NN 39928 575 57 was be VBD 39928 575 58 , , , 39928 575 59 that that DT 39928 575 60 light light NN 39928 575 61 had have VBD 39928 575 62 not not RB 39928 575 63 an an DT 39928 575 64 infinite infinite JJ 39928 575 65 velocity velocity NN 39928 575 66 but but CC 39928 575 67 travelled travel VBD 39928 575 68 at at IN 39928 575 69 a a DT 39928 575 70 certain certain JJ 39928 575 71 fixed fix VBN 39928 575 72 rate rate NN 39928 575 73 . . . 39928 576 1 This this DT 39928 576 2 however however RB 39928 576 3 , , , 39928 576 4 though though IN 39928 576 5 a a DT 39928 576 6 highly highly RB 39928 576 7 probable probable JJ 39928 576 8 explanation explanation NN 39928 576 9 , , , 39928 576 10 was be VBD 39928 576 11 not not RB 39928 576 12 absolutely absolutely RB 39928 576 13 proved prove VBN 39928 576 14 till till IN 39928 576 15 nearly nearly RB 39928 576 16 two two CD 39928 576 17 centuries century NNS 39928 576 18 later later RB 39928 576 19 , , , 39928 576 20 by by IN 39928 576 21 means mean NNS 39928 576 22 of of IN 39928 576 23 two two CD 39928 576 24 very very RB 39928 576 25 difficult difficult JJ 39928 576 26 measurements measurement NNS 39928 576 27 -- -- : 39928 576 28 that that DT 39928 576 29 of of IN 39928 576 30 the the DT 39928 576 31 actual actual JJ 39928 576 32 distance distance NN 39928 576 33 of of IN 39928 576 34 the the DT 39928 576 35 sun sun NN 39928 576 36 from from IN 39928 576 37 the the DT 39928 576 38 earth earth NN 39928 576 39 , , , 39928 576 40 and and CC 39928 576 41 that that DT 39928 576 42 of of IN 39928 576 43 the the DT 39928 576 44 actual actual JJ 39928 576 45 speed speed NN 39928 576 46 of of IN 39928 576 47 light light NN 39928 576 48 in in IN 39928 576 49 miles mile NNS 39928 576 50 per per IN 39928 576 51 second second NN 39928 576 52 ; ; : 39928 576 53 the the DT 39928 576 54 latter latter JJ 39928 576 55 corresponding correspond VBG 39928 576 56 almost almost RB 39928 576 57 exactly exactly RB 39928 576 58 with with IN 39928 576 59 the the DT 39928 576 60 speed speed NN 39928 576 61 deduced deduce VBN 39928 576 62 from from IN 39928 576 63 the the DT 39928 576 64 eclipses eclipse NNS 39928 576 65 of of IN 39928 576 66 Jupiter Jupiter NNP 39928 576 67 's 's POS 39928 576 68 satellites satellite NNS 39928 576 69 and and CC 39928 576 70 the the DT 39928 576 71 sun sun NN 39928 576 72 's 's POS 39928 576 73 distance distance NN 39928 576 74 as as IN 39928 576 75 measured measure VBN 39928 576 76 by by IN 39928 576 77 the the DT 39928 576 78 transits transit NNS 39928 576 79 of of IN 39928 576 80 Venus Venus NNP 39928 576 81 . . . 39928 577 1 [ [ -LRB- 39928 577 2 Illustration illustration NN 39928 577 3 : : : 39928 577 4 ( ( -LRB- 39928 577 5 A a NN 39928 577 6 ) ) -RRB- 39928 577 7 and and CC 39928 577 8 the the DT 39928 577 9 last last JJ 39928 577 10 2 2 CD 39928 577 11 lines line NNS 39928 577 12 of of IN 39928 577 13 the the DT 39928 577 14 next next JJ 39928 577 15 paragraph paragraph NN 39928 577 16 should should MD 39928 577 17 be be VB 39928 577 18 replaced replace VBN 39928 577 19 with with IN 39928 577 20 : : : 39928 577 21 one one CD 39928 577 22 - - HYPH 39928 577 23 tenth tenth NN 39928 577 24 of of IN 39928 577 25 an an DT 39928 577 26 inch inch NN 39928 577 27 long long JJ 39928 577 28 , , , 39928 577 29 and and CC 39928 577 30 from from IN 39928 577 31 a a DT 39928 577 32 point point NN 39928 577 33 ( ( -LRB- 39928 577 34 A a NN 39928 577 35 ) ) -RRB- 39928 577 36 5 5 CD 39928 577 37 - - HYPH 39928 577 38 3/4 3/4 CD 39928 577 39 inches inch NNS 39928 577 40 from from IN 39928 577 41 it -PRON- PRP 39928 577 42 ( ( -LRB- 39928 577 43 accurately accurately RB 39928 577 44 5.72957795 5.72957795 CD 39928 577 45 inches inch NNS 39928 577 46 ) ) -RRB- 39928 577 47 we -PRON- PRP 39928 577 48 draw draw VBP 39928 577 49 straight straight JJ 39928 577 50 lines line NNS 39928 577 51 to to IN 39928 577 52 B B NNP 39928 577 53 and and CC 39928 577 54 C. 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C. NNP 39928 581 41 Then then RB 39928 581 42 the the DT 39928 581 43 angle angle NN 39928 581 44 at at IN 39928 581 45 A a NN 39928 581 46 is be VBZ 39928 581 47 one one CD 39928 581 48 degree degree NN 39928 581 49 . . . 39928 582 1 Now now RB 39928 582 2 , , , 39928 582 3 in in IN 39928 582 4 all all DT 39928 582 5 astronomical astronomical JJ 39928 582 6 work work NN 39928 582 7 , , , 39928 582 8 one one CD 39928 582 9 degree degree NN 39928 582 10 is be VBZ 39928 582 11 considered consider VBN 39928 582 12 to to TO 39928 582 13 be be VB 39928 582 14 quite quite PDT 39928 582 15 a a DT 39928 582 16 large large JJ 39928 582 17 angle angle NN 39928 582 18 . . . 39928 583 1 Even even RB 39928 583 2 before before IN 39928 583 3 the the DT 39928 583 4 invention invention NN 39928 583 5 of of IN 39928 583 6 the the DT 39928 583 7 telescope telescope NN 39928 583 8 the the DT 39928 583 9 old old JJ 39928 583 10 observers observer NNS 39928 583 11 fixed fix VBD 39928 583 12 the the DT 39928 583 13 position position NN 39928 583 14 of of IN 39928 583 15 the the DT 39928 583 16 stars star NNS 39928 583 17 and and CC 39928 583 18 planets planet NNS 39928 583 19 to to IN 39928 583 20 half half NN 39928 583 21 or or CC 39928 583 22 a a DT 39928 583 23 quarter quarter NN 39928 583 24 of of IN 39928 583 25 a a DT 39928 583 26 degree degree NN 39928 583 27 , , , 39928 583 28 while while IN 39928 583 29 Mr. Mr. NNP 39928 583 30 Proctor Proctor NNP 39928 583 31 thinks think VBZ 39928 583 32 that that IN 39928 583 33 Tycho Tycho NNP 39928 583 34 Brahé Brahé NNP 39928 583 35 's 's POS 39928 583 36 positions position NNS 39928 583 37 of of IN 39928 583 38 the the DT 39928 583 39 stars star NNS 39928 583 40 and and CC 39928 583 41 planets planet NNS 39928 583 42 were be VBD 39928 583 43 correct correct JJ 39928 583 44 to to IN 39928 583 45 about about RB 39928 583 46 one one CD 39928 583 47 or or CC 39928 583 48 two two CD 39928 583 49 minutes minute NNS 39928 583 50 of of IN 39928 583 51 arc arc NN 39928 583 52 . . . 39928 584 1 But but CC 39928 584 2 a a DT 39928 584 3 minute minute NN 39928 584 4 of of IN 39928 584 5 arc arc NN 39928 584 6 is be VBZ 39928 584 7 obtained obtain VBN 39928 584 8 by by IN 39928 584 9 dividing divide VBG 39928 584 10 the the DT 39928 584 11 line line NN 39928 584 12 B B NNP 39928 584 13 C C NNP 39928 584 14 into into IN 39928 584 15 sixty sixty JJ 39928 584 16 equal equal JJ 39928 584 17 parts part NNS 39928 584 18 and and CC 39928 584 19 seeing see VBG 39928 584 20 the the DT 39928 584 21 distance distance NN 39928 584 22 between between IN 39928 584 23 two two CD 39928 584 24 of of IN 39928 584 25 these these DT 39928 584 26 with with IN 39928 584 27 the the DT 39928 584 28 naked naked JJ 39928 584 29 eye eye NN 39928 584 30 from from IN 39928 584 31 the the DT 39928 584 32 point point NN 39928 584 33 A. a. NN 39928 585 1 But but CC 39928 585 2 as as IN 39928 585 3 very very RB 39928 585 4 long long RB 39928 585 5 - - HYPH 39928 585 6 sighted sighted JJ 39928 585 7 people people NNS 39928 585 8 can can MD 39928 585 9 see see VB 39928 585 10 very very RB 39928 585 11 minute minute JJ 39928 585 12 objects object NNS 39928 585 13 at at IN 39928 585 14 10 10 CD 39928 585 15 or or CC 39928 585 16 12 12 CD 39928 585 17 inches inch NNS 39928 585 18 distance distance NN 39928 585 19 , , , 39928 585 20 we -PRON- PRP 39928 585 21 may may MD 39928 585 22 double double VB 39928 585 23 the the DT 39928 585 24 distance distance NN 39928 585 25 A A NNP 39928 585 26 B B NNP 39928 585 27 , , , 39928 585 28 and and CC 39928 585 29 then then RB 39928 585 30 making make VBG 39928 585 31 the the DT 39928 585 32 line line NN 39928 585 33 B B NNP 39928 585 34 C c NN 39928 585 35 one one CD 39928 585 36 three three CD 39928 585 37 - - HYPH 39928 585 38 hundredth hundredth JJ 39928 585 39 part part NN 39928 585 40 of of IN 39928 585 41 an an DT 39928 585 42 inch inch NN 39928 585 43 long long RB 39928 585 44 , , , 39928 585 45 we -PRON- PRP 39928 585 46 shall shall MD 39928 585 47 have have VB 39928 585 48 the the DT 39928 585 49 angle angle NN 39928 585 50 of of IN 39928 585 51 one one CD 39928 585 52 minute minute NN 39928 585 53 which which WDT 39928 585 54 Tycho Tycho NNP 39928 585 55 Brahé Brahé NNP 39928 585 56 was be VBD 39928 585 57 perhaps perhaps RB 39928 585 58 able able JJ 39928 585 59 to to TO 39928 585 60 measure measure VB 39928 585 61 . . . 39928 586 1 How how WRB 39928 586 2 very very RB 39928 586 3 large large JJ 39928 586 4 an an DT 39928 586 5 amount amount NN 39928 586 6 a a DT 39928 586 7 minute minute NN 39928 586 8 is be VBZ 39928 586 9 to to IN 39928 586 10 the the DT 39928 586 11 modern modern JJ 39928 586 12 astronomer astronomer NN 39928 586 13 is be VBZ 39928 586 14 , , , 39928 586 15 however however RB 39928 586 16 , , , 39928 586 17 well well RB 39928 586 18 shown show VBN 39928 586 19 by by IN 39928 586 20 the the DT 39928 586 21 fact fact NN 39928 586 22 that that IN 39928 586 23 the the DT 39928 586 24 maximum maximum JJ 39928 586 25 difference difference NN 39928 586 26 between between IN 39928 586 27 the the DT 39928 586 28 calculated calculate VBN 39928 586 29 and and CC 39928 586 30 observed observe VBN 39928 586 31 positions position NNS 39928 586 32 of of IN 39928 586 33 Uranus Uranus NNP 39928 586 34 , , , 39928 586 35 which which WDT 39928 586 36 led lead VBD 39928 586 37 Adams Adams NNP 39928 586 38 and and CC 39928 586 39 Leverrier Leverrier NNP 39928 586 40 to to TO 39928 586 41 search search VB 39928 586 42 for for IN 39928 586 43 and and CC 39928 586 44 discover discover VB 39928 586 45 Neptune Neptune NNP 39928 586 46 , , , 39928 586 47 was be VBD 39928 586 48 only only RB 39928 586 49 1 1 CD 39928 586 50 - - HYPH 39928 586 51 1/2 1/2 CD 39928 586 52 minutes minute NNS 39928 586 53 , , , 39928 586 54 a a DT 39928 586 55 space space NN 39928 586 56 so so RB 39928 586 57 small small JJ 39928 586 58 as as IN 39928 586 59 to to TO 39928 586 60 be be VB 39928 586 61 almost almost RB 39928 586 62 invisible invisible JJ 39928 586 63 to to IN 39928 586 64 the the DT 39928 586 65 average average JJ 39928 586 66 eye eye NN 39928 586 67 , , , 39928 586 68 so so IN 39928 586 69 that that IN 39928 586 70 if if IN 39928 586 71 there there EX 39928 586 72 had have VBD 39928 586 73 been be VBN 39928 586 74 two two CD 39928 586 75 planets planet NNS 39928 586 76 , , , 39928 586 77 one one CD 39928 586 78 in in IN 39928 586 79 the the DT 39928 586 80 calculated calculate VBN 39928 586 81 , , , 39928 586 82 the the DT 39928 586 83 other other JJ 39928 586 84 in in IN 39928 586 85 the the DT 39928 586 86 observed observed JJ 39928 586 87 place place NN 39928 586 88 , , , 39928 586 89 they -PRON- PRP 39928 586 90 would would MD 39928 586 91 have have VB 39928 586 92 appeared appear VBN 39928 586 93 as as IN 39928 586 94 one one CD 39928 586 95 to to IN 39928 586 96 unassisted unassisted JJ 39928 586 97 vision vision NN 39928 586 98 . . . 39928 587 1 In in IN 39928 587 2 order order NN 39928 587 3 now now RB 39928 587 4 to to TO 39928 587 5 realise realise VB 39928 587 6 what what WP 39928 587 7 one one CD 39928 587 8 second second NN 39928 587 9 of of IN 39928 587 10 arc arc NNP 39928 587 11 really really RB 39928 587 12 means mean VBZ 39928 587 13 , , , 39928 587 14 let let VB 39928 587 15 us -PRON- PRP 39928 587 16 look look VB 39928 587 17 at at IN 39928 587 18 the the DT 39928 587 19 circle circle NN 39928 587 20 here here RB 39928 587 21 shown show VBN 39928 587 22 , , , 39928 587 23 which which WDT 39928 587 24 is be VBZ 39928 587 25 as as RB 39928 587 26 nearly nearly RB 39928 587 27 as as IN 39928 587 28 possible possible JJ 39928 587 29 one one CD 39928 587 30 - - HYPH 39928 587 31 tenth tenth NN 39928 587 32 of of IN 39928 587 33 an an DT 39928 587 34 inch inch NN 39928 587 35 in in IN 39928 587 36 diameter--(one diameter--(one NN 39928 587 37 - - HYPH 39928 587 38 O o NN 39928 587 39 - - HYPH 39928 587 40 tenth tenth NN 39928 587 41 of of IN 39928 587 42 an an DT 39928 587 43 inch inch NN 39928 587 44 ) ) -RRB- 39928 587 45 . . . 39928 588 1 If if IN 39928 588 2 we -PRON- PRP 39928 588 3 remove remove VBP 39928 588 4 this this DT 39928 588 5 circle circle NN 39928 588 6 to to IN 39928 588 7 a a DT 39928 588 8 distance distance NN 39928 588 9 of of IN 39928 588 10 28 28 CD 39928 588 11 feet foot NNS 39928 588 12 8 8 CD 39928 588 13 inches inch NNS 39928 588 14 it -PRON- PRP 39928 588 15 will will MD 39928 588 16 subtend subtend VB 39928 588 17 an an DT 39928 588 18 angle angle NN 39928 588 19 of of IN 39928 588 20 one one CD 39928 588 21 minute minute NN 39928 588 22 , , , 39928 588 23 and and CC 39928 588 24 we -PRON- PRP 39928 588 25 shall shall MD 39928 588 26 have have VB 39928 588 27 to to TO 39928 588 28 place place VB 39928 588 29 it -PRON- PRP 39928 588 30 at at IN 39928 588 31 a a DT 39928 588 32 distance distance NN 39928 588 33 of of IN 39928 588 34 nearly nearly RB 39928 588 35 1730 1730 CD 39928 588 36 feet foot NNS 39928 588 37 -- -- : 39928 588 38 almost almost RB 39928 588 39 one one CD 39928 588 40 - - HYPH 39928 588 41 third third NN 39928 588 42 of of IN 39928 588 43 a a DT 39928 588 44 mile mile NN 39928 588 45 -- -- : 39928 588 46 to to TO 39928 588 47 reduce reduce VB 39928 588 48 the the DT 39928 588 49 angle angle NN 39928 588 50 to to IN 39928 588 51 one one CD 39928 588 52 second second NN 39928 588 53 . . . 39928 589 1 But but CC 39928 589 2 the the DT 39928 589 3 very very RB 39928 589 4 nearest near JJS 39928 589 5 to to IN 39928 589 6 us -PRON- PRP 39928 589 7 of of IN 39928 589 8 the the DT 39928 589 9 fixed fix VBN 39928 589 10 stars star NNS 39928 589 11 , , , 39928 589 12 Alpha Alpha NNP 39928 589 13 Centauri Centauri NNP 39928 589 14 , , , 39928 589 15 has have VBZ 39928 589 16 a a DT 39928 589 17 parallax parallax NN 39928 589 18 of of IN 39928 589 19 only only RB 39928 589 20 three three CD 39928 589 21 - - HYPH 39928 589 22 fourths fourth NNS 39928 589 23 of of IN 39928 589 24 a a DT 39928 589 25 second second JJ 39928 589 26 ; ; : 39928 589 27 that that RB 39928 589 28 is is RB 39928 589 29 , , , 39928 589 30 the the DT 39928 589 31 distance distance NN 39928 589 32 of of IN 39928 589 33 the the DT 39928 589 34 earth earth NN 39928 589 35 from from IN 39928 589 36 the the DT 39928 589 37 sun sun NN 39928 589 38 -- -- : 39928 589 39 about about RB 39928 589 40 92 92 CD 39928 589 41 - - HYPH 39928 589 42 3/4 3/4 CD 39928 589 43 millions million NNS 39928 589 44 of of IN 39928 589 45 miles mile NNS 39928 589 46 -- -- : 39928 589 47 would would MD 39928 589 48 appear appear VB 39928 589 49 no no RB 39928 589 50 wider wide JJR 39928 589 51 , , , 39928 589 52 seen see VBN 39928 589 53 from from IN 39928 589 54 the the DT 39928 589 55 nearest near JJS 39928 589 56 star star NN 39928 589 57 , , , 39928 589 58 than than IN 39928 589 59 does do VBZ 39928 589 60 three three CD 39928 589 61 - - HYPH 39928 589 62 fourths fourth NNS 39928 589 63 of of IN 39928 589 64 the the DT 39928 589 65 above above IN 39928 589 66 small small JJ 39928 589 67 circle circle NN 39928 589 68 at at IN 39928 589 69 one one CD 39928 589 70 - - HYPH 39928 589 71 third third NN 39928 589 72 of of IN 39928 589 73 a a DT 39928 589 74 mile mile NN 39928 589 75 distance distance NN 39928 589 76 . . . 39928 590 1 To to TO 39928 590 2 see see VB 39928 590 3 this this DT 39928 590 4 circle circle NN 39928 590 5 at at RB 39928 590 6 all all RB 39928 590 7 at at IN 39928 590 8 that that DT 39928 590 9 distance distance NN 39928 590 10 would would MD 39928 590 11 require require VB 39928 590 12 a a DT 39928 590 13 very very RB 39928 590 14 good good JJ 39928 590 15 telescope telescope NN 39928 590 16 with with IN 39928 590 17 a a DT 39928 590 18 power power NN 39928 590 19 of of IN 39928 590 20 at at RB 39928 590 21 least least RBS 39928 590 22 100 100 CD 39928 590 23 , , , 39928 590 24 while while IN 39928 590 25 to to TO 39928 590 26 see see VB 39928 590 27 any any DT 39928 590 28 small small JJ 39928 590 29 part part NN 39928 590 30 of of IN 39928 590 31 it -PRON- PRP 39928 590 32 and and CC 39928 590 33 to to TO 39928 590 34 measure measure VB 39928 590 35 the the DT 39928 590 36 proportion proportion NN 39928 590 37 of of IN 39928 590 38 that that DT 39928 590 39 part part NN 39928 590 40 to to IN 39928 590 41 the the DT 39928 590 42 whole whole NN 39928 590 43 would would MD 39928 590 44 need need VB 39928 590 45 very very RB 39928 590 46 brilliant brilliant JJ 39928 590 47 illumination illumination NN 39928 590 48 and and CC 39928 590 49 a a DT 39928 590 50 large large JJ 39928 590 51 and and CC 39928 590 52 powerful powerful JJ 39928 590 53 astronomical astronomical JJ 39928 590 54 telescope telescope NN 39928 590 55 . . . 39928 591 1 WHAT what WP 39928 591 2 IS be VBZ 39928 591 3 A a DT 39928 591 4 MILLION million CD 39928 591 5 ? ? . 39928 592 1 But but CC 39928 592 2 when when WRB 39928 592 3 we -PRON- PRP 39928 592 4 have have VBP 39928 592 5 to to TO 39928 592 6 deal deal VB 39928 592 7 with with IN 39928 592 8 millions million NNS 39928 592 9 , , , 39928 592 10 and and CC 39928 592 11 even even RB 39928 592 12 with with IN 39928 592 13 hundreds hundred NNS 39928 592 14 and and CC 39928 592 15 thousands thousand NNS 39928 592 16 of of IN 39928 592 17 millions million NNS 39928 592 18 , , , 39928 592 19 there there EX 39928 592 20 is be VBZ 39928 592 21 another another DT 39928 592 22 difficulty difficulty NN 39928 592 23 -- -- : 39928 592 24 that that IN 39928 592 25 few few JJ 39928 592 26 people people NNS 39928 592 27 can can MD 39928 592 28 form form VB 39928 592 29 any any DT 39928 592 30 clear clear JJ 39928 592 31 conception conception NN 39928 592 32 of of IN 39928 592 33 what what WP 39928 592 34 a a DT 39928 592 35 million million CD 39928 592 36 is be VBZ 39928 592 37 . . . 39928 593 1 It -PRON- PRP 39928 593 2 has have VBZ 39928 593 3 been be VBN 39928 593 4 suggested suggest VBN 39928 593 5 that that IN 39928 593 6 in in IN 39928 593 7 every every DT 39928 593 8 large large JJ 39928 593 9 school school NN 39928 593 10 the the DT 39928 593 11 walls wall NNS 39928 593 12 of of IN 39928 593 13 one one CD 39928 593 14 room room NN 39928 593 15 or or CC 39928 593 16 hall hall NN 39928 593 17 should should MD 39928 593 18 be be VB 39928 593 19 devoted devoted JJ 39928 593 20 to to IN 39928 593 21 showing show VBG 39928 593 22 a a DT 39928 593 23 million million CD 39928 593 24 at at IN 39928 593 25 one one CD 39928 593 26 view view NN 39928 593 27 . . . 39928 594 1 For for IN 39928 594 2 this this DT 39928 594 3 purpose purpose NN 39928 594 4 it -PRON- PRP 39928 594 5 would would MD 39928 594 6 be be VB 39928 594 7 necessary necessary JJ 39928 594 8 to to TO 39928 594 9 have have VB 39928 594 10 a a DT 39928 594 11 hundred hundred CD 39928 594 12 large large JJ 39928 594 13 sheets sheet NNS 39928 594 14 of of IN 39928 594 15 paper paper NN 39928 594 16 each each DT 39928 594 17 about about RB 39928 594 18 4 4 CD 39928 594 19 feet foot NNS 39928 594 20 6 6 CD 39928 594 21 inches inch NNS 39928 594 22 square square NNP 39928 594 23 , , , 39928 594 24 ruled rule VBN 39928 594 25 in in IN 39928 594 26 quarter quarter NN 39928 594 27 inch inch NN 39928 594 28 squares square NNS 39928 594 29 . . . 39928 595 1 In in IN 39928 595 2 each each DT 39928 595 3 alternate alternate JJ 39928 595 4 square square JJ 39928 595 5 a a DT 39928 595 6 round round JJ 39928 595 7 black black JJ 39928 595 8 wafer wafer NN 39928 595 9 or or CC 39928 595 10 circle circle NN 39928 595 11 should should MD 39928 595 12 be be VB 39928 595 13 placed place VBN 39928 595 14 a a DT 39928 595 15 little little JJ 39928 595 16 over over RB 39928 595 17 - - HYPH 39928 595 18 lapping lap VBG 39928 595 19 the the DT 39928 595 20 square square NN 39928 595 21 , , , 39928 595 22 thus thus RB 39928 595 23 leaving leave VBG 39928 595 24 an an DT 39928 595 25 equal equal JJ 39928 595 26 amount amount NN 39928 595 27 of of IN 39928 595 28 white white JJ 39928 595 29 space space NN 39928 595 30 between between IN 39928 595 31 the the DT 39928 595 32 black black JJ 39928 595 33 spots spot NNS 39928 595 34 . . . 39928 596 1 At at IN 39928 596 2 each each DT 39928 596 3 tenth tenth JJ 39928 596 4 spot spot NN 39928 596 5 a a DT 39928 596 6 double double JJ 39928 596 7 width width NN 39928 596 8 should should MD 39928 596 9 be be VB 39928 596 10 left leave VBN 39928 596 11 so so IN 39928 596 12 as as IN 39928 596 13 to to TO 39928 596 14 separate separate VB 39928 596 15 each each DT 39928 596 16 hundred hundred CD 39928 596 17 spots spot NNS 39928 596 18 ( ( -LRB- 39928 596 19 10 10 CD 39928 596 20 × × CD 39928 596 21 10 10 CD 39928 596 22 ) ) -RRB- 39928 596 23 . . . 39928 597 1 Each each DT 39928 597 2 sheet sheet NN 39928 597 3 would would MD 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square JJ 39928 598 48 and and CC 39928 598 49 25 25 CD 39928 598 50 feet foot NNS 39928 598 51 high high JJ 39928 598 52 , , , 39928 598 53 from from IN 39928 598 54 floor floor NN 39928 598 55 to to IN 39928 598 56 ceiling ceiling NN 39928 598 57 , , , 39928 598 58 allowing allow VBG 39928 598 59 space space NN 39928 598 60 for for IN 39928 598 61 doors door NNS 39928 598 62 but but CC 39928 598 63 not not RB 39928 598 64 for for IN 39928 598 65 windows window NNS 39928 598 66 , , , 39928 598 67 the the DT 39928 598 68 hall hall NN 39928 598 69 or or CC 39928 598 70 gallery gallery NN 39928 598 71 being be VBG 39928 598 72 lighted light VBN 39928 598 73 from from IN 39928 598 74 above above RB 39928 598 75 . . . 39928 599 1 Such such PDT 39928 599 2 a a DT 39928 599 3 hall hall NN 39928 599 4 would would MD 39928 599 5 be be VB 39928 599 6 in in IN 39928 599 7 the the DT 39928 599 8 highest high JJS 39928 599 9 degree degree NN 39928 599 10 educational educational JJ 39928 599 11 in 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be VBZ 39928 599 49 enabled enable VBN 39928 599 50 to to TO 39928 599 51 realise realise VB 39928 599 52 by by IN 39928 599 53 actual actual JJ 39928 599 54 vision vision NN 39928 599 55 , , , 39928 599 56 and and CC 39928 599 57 summing sum VBG 39928 599 58 up up RP 39928 599 59 , , , 39928 599 60 what what WDT 39928 599 61 a a DT 39928 599 62 vast vast JJ 39928 599 63 number number NN 39928 599 64 is be VBZ 39928 599 65 comprised comprise VBN 39928 599 66 in in IN 39928 599 67 _ _ NNP 39928 599 68 one one CD 39928 599 69 _ _ NNP 39928 599 70 of of IN 39928 599 71 those those DT 39928 599 72 millions million NNS 39928 599 73 , , , 39928 599 74 which which WDT 39928 599 75 , , , 39928 599 76 in in IN 39928 599 77 modern modern JJ 39928 599 78 astronomy astronomy NN 39928 599 79 and and CC 39928 599 80 physics physics NN 39928 599 81 , , , 39928 599 82 he -PRON- PRP 39928 599 83 has have VBZ 39928 599 84 to to TO 39928 599 85 deal deal VB 39928 599 86 with with IN 39928 599 87 not not 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39928 601 2 would would MD 39928 601 3 in in IN 39928 601 4 no no DT 39928 601 5 way way NN 39928 601 6 interfere interfere VB 39928 601 7 with with IN 39928 601 8 the the DT 39928 601 9 walls wall NNS 39928 601 10 being be VBG 39928 601 11 covered cover VBN 39928 601 12 when when WRB 39928 601 13 required require VBN 39928 601 14 with with IN 39928 601 15 maps map NNS 39928 601 16 , , , 39928 601 17 or or CC 39928 601 18 ornamental ornamental JJ 39928 601 19 hangings hanging NNS 39928 601 20 , , , 39928 601 21 or or CC 39928 601 22 pictures picture NNS 39928 601 23 ; ; : 39928 601 24 but but CC 39928 601 25 when when WRB 39928 601 26 these these DT 39928 601 27 were be VBD 39928 601 28 removed remove VBN 39928 601 29 , , , 39928 601 30 the the DT 39928 601 31 visible visible JJ 39928 601 32 and and CC 39928 601 33 countable countable JJ 39928 601 34 million million CD 39928 601 35 would would MD 39928 601 36 remain remain VB 39928 601 37 as as IN 39928 601 38 a a DT 39928 601 39 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39928 603 2 order order NN 39928 603 3 to to TO 39928 603 4 enable enable VB 39928 603 5 every every DT 39928 603 6 reader reader NN 39928 603 7 of of IN 39928 603 8 this this DT 39928 603 9 volume volume NN 39928 603 10 at at IN 39928 603 11 once once RB 39928 603 12 to to TO 39928 603 13 form form VB 39928 603 14 some some DT 39928 603 15 conception conception NN 39928 603 16 of of IN 39928 603 17 the the DT 39928 603 18 number number NN 39928 603 19 of of IN 39928 603 20 units unit NNS 39928 603 21 in in IN 39928 603 22 a a DT 39928 603 23 million million CD 39928 603 24 , , , 39928 603 25 I -PRON- PRP 39928 603 26 have have VBP 39928 603 27 made make VBN 39928 603 28 an an DT 39928 603 29 estimate estimate NN 39928 603 30 of of IN 39928 603 31 the the DT 39928 603 32 number number NN 39928 603 33 of of IN 39928 603 34 _ _ NNP 39928 603 35 letters letter NNS 39928 603 36 _ _ NNP 39928 603 37 contained contain VBD 39928 603 38 in in IN 39928 603 39 it -PRON- PRP 39928 603 40 , , , 39928 603 41 and and CC 39928 603 42 I -PRON- PRP 39928 603 43 find find VBP 39928 603 44 them -PRON- PRP 39928 603 45 to to TO 39928 603 46 amount amount VB 39928 603 47 to to IN 39928 603 48 about about IN 39928 603 49 420,000 420,000 CD 39928 603 50 - - : 39928 603 51 -considerably -considerably RB 39928 603 52 less less JJR 39928 603 53 than than IN 39928 603 54 half half PDT 39928 603 55 a a DT 39928 603 56 million million CD 39928 603 57 . . . 39928 604 1 Try try VB 39928 604 2 and and CC 39928 604 3 realise realise VB 39928 604 4 , , , 39928 604 5 when when WRB 39928 604 6 reading read VBG 39928 604 7 it -PRON- PRP 39928 604 8 , , , 39928 604 9 that that IN 39928 604 10 if if IN 39928 604 11 every every DT 39928 604 12 letter letter NN 39928 604 13 were be VBD 39928 604 14 a a DT 39928 604 15 pound pound NN 39928 604 16 sterling sterling NN 39928 604 17 , , , 39928 604 18 we -PRON- PRP 39928 604 19 waste waste VBP 39928 604 20 as as IN 39928 604 21 many many JJ 39928 604 22 pounds pound NNS 39928 604 23 as as IN 39928 604 24 there there EX 39928 604 25 are be VBP 39928 604 26 letters letter NNS 39928 604 27 in in IN 39928 604 28 _ _ NNP 39928 604 29 two two CD 39928 604 30 _ _ NNP 39928 604 31 such such JJ 39928 604 32 volumes volume NNS 39928 604 33 whenever whenever WRB 39928 604 34 we -PRON- PRP 39928 604 35 build build VBP 39928 604 36 a a DT 39928 604 37 battleship battleship NN 39928 604 38 . . . 39928 605 1 Having have VBG 39928 605 2 thus thus RB 39928 605 3 obtained obtain VBN 39928 605 4 some some DT 39928 605 5 real real JJ 39928 605 6 conception conception NN 39928 605 7 of of IN 39928 605 8 the the DT 39928 605 9 immensity immensity NN 39928 605 10 of of IN 39928 605 11 a a DT 39928 605 12 million million CD 39928 605 13 , , , 39928 605 14 we -PRON- PRP 39928 605 15 can can MD 39928 605 16 better better RB 39928 605 17 realise realise VB 39928 605 18 what what WP 39928 605 19 it -PRON- PRP 39928 605 20 must must MD 39928 605 21 be be VB 39928 605 22 to to TO 39928 605 23 have have VB 39928 605 24 every every DT 39928 605 25 one one CD 39928 605 26 of of IN 39928 605 27 the the DT 39928 605 28 dots dot NNS 39928 605 29 above above IN 39928 605 30 described describe VBD 39928 605 31 , , , 39928 605 32 or or CC 39928 605 33 every every DT 39928 605 34 one one CD 39928 605 35 of of IN 39928 605 36 the the DT 39928 605 37 letters letter NNS 39928 605 38 in in IN 39928 605 39 two two CD 39928 605 40 such such JJ 39928 605 41 volumes volume NNS 39928 605 42 as as IN 39928 605 43 this this DT 39928 605 44 lengthened lengthen VBD 39928 605 45 out out RP 39928 605 46 so so IN 39928 605 47 as as IN 39928 605 48 to to TO 39928 605 49 be be VB 39928 605 50 each each DT 39928 605 51 a a DT 39928 605 52 mile mile NN 39928 605 53 long long JJ 39928 605 54 , , , 39928 605 55 and and CC 39928 605 56 even even RB 39928 605 57 then then RB 39928 605 58 we -PRON- PRP 39928 605 59 should should MD 39928 605 60 have have VB 39928 605 61 reached reach VBN 39928 605 62 little little JJ 39928 605 63 more more JJR 39928 605 64 than than IN 39928 605 65 a a DT 39928 605 66 hundredth hundredth JJ 39928 605 67 part part NN 39928 605 68 of of IN 39928 605 69 the the DT 39928 605 70 distance distance NN 39928 605 71 from from IN 39928 605 72 our -PRON- PRP$ 39928 605 73 earth earth NN 39928 605 74 to to IN 39928 605 75 the the DT 39928 605 76 sun sun NN 39928 605 77 . . . 39928 606 1 When when WRB 39928 606 2 , , , 39928 606 3 by by IN 39928 606 4 careful careful JJ 39928 606 5 consideration consideration NN 39928 606 6 of of IN 39928 606 7 these these DT 39928 606 8 figures figure NNS 39928 606 9 , , , 39928 606 10 we -PRON- PRP 39928 606 11 have have VBP 39928 606 12 even even RB 39928 606 13 partially partially RB 39928 606 14 realised realise VBN 39928 606 15 this this DT 39928 606 16 enormous enormous JJ 39928 606 17 distance distance NN 39928 606 18 , , , 39928 606 19 we -PRON- PRP 39928 606 20 may may MD 39928 606 21 take take VB 39928 606 22 the the DT 39928 606 23 next next JJ 39928 606 24 step step NN 39928 606 25 , , , 39928 606 26 which which WDT 39928 606 27 is be VBZ 39928 606 28 , , , 39928 606 29 to to TO 39928 606 30 compare compare VB 39928 606 31 this this DT 39928 606 32 distance distance NN 39928 606 33 with with IN 39928 606 34 that that DT 39928 606 35 of of IN 39928 606 36 the the DT 39928 606 37 nearest near JJS 39928 606 38 fixed fix VBN 39928 606 39 star star NN 39928 606 40 . . . 39928 607 1 We -PRON- PRP 39928 607 2 have have VBP 39928 607 3 seen see VBN 39928 607 4 that that IN 39928 607 5 the the DT 39928 607 6 parallax parallax NN 39928 607 7 of of IN 39928 607 8 that that DT 39928 607 9 star star NN 39928 607 10 is be VBZ 39928 607 11 three three CD 39928 607 12 - - HYPH 39928 607 13 fourths fourth NNS 39928 607 14 of of IN 39928 607 15 a a DT 39928 607 16 second second JJ 39928 607 17 , , , 39928 607 18 an an DT 39928 607 19 amount amount NN 39928 607 20 which which WDT 39928 607 21 implies imply VBZ 39928 607 22 that that IN 39928 607 23 the the DT 39928 607 24 star star NN 39928 607 25 is be VBZ 39928 607 26 271,400 271,400 CD 39928 607 27 times time NNS 39928 607 28 as as RB 39928 607 29 far far RB 39928 607 30 from from IN 39928 607 31 us -PRON- PRP 39928 607 32 as as IN 39928 607 33 our -PRON- PRP$ 39928 607 34 sun sun NN 39928 607 35 is be VBZ 39928 607 36 . . . 39928 608 1 If if IN 39928 608 2 after after IN 39928 608 3 _ _ NNP 39928 608 4 seeing see VBG 39928 608 5 _ _ NNP 39928 608 6 what what WP 39928 608 7 a a DT 39928 608 8 million million CD 39928 608 9 is be VBZ 39928 608 10 , , , 39928 608 11 and and CC 39928 608 12 knowing know VBG 39928 608 13 that that IN 39928 608 14 the the DT 39928 608 15 sun sun NN 39928 608 16 is be VBZ 39928 608 17 92 92 CD 39928 608 18 - - HYPH 39928 608 19 3/4 3/4 CD 39928 608 20 times time NNS 39928 608 21 this this DT 39928 608 22 distance distance NN 39928 608 23 from from IN 39928 608 24 us -PRON- PRP 39928 608 25 in in IN 39928 608 26 miles mile NNS 39928 608 27 -- -- : 39928 608 28 a a DT 39928 608 29 distance distance NN 39928 608 30 which which WDT 39928 608 31 itself -PRON- PRP 39928 608 32 is be VBZ 39928 608 33 almost almost RB 39928 608 34 inconceivable inconceivable JJ 39928 608 35 to to IN 39928 608 36 us -PRON- PRP 39928 608 37 -- -- : 39928 608 38 we -PRON- PRP 39928 608 39 find find VBP 39928 608 40 that that IN 39928 608 41 we -PRON- PRP 39928 608 42 have have VBP 39928 608 43 to to TO 39928 608 44 multiply multiply VB 39928 608 45 this this DT 39928 608 46 almost almost RB 39928 608 47 inconceivable inconceivable JJ 39928 608 48 distance distance NN 39928 608 49 271,400 271,400 CD 39928 608 50 times time NNS 39928 608 51 -- -- : 39928 608 52 more more JJR 39928 608 53 than than IN 39928 608 54 a a DT 39928 608 55 quarter quarter NN 39928 608 56 of of IN 39928 608 57 a a DT 39928 608 58 million million CD 39928 608 59 times time NNS 39928 608 60 -- -- : 39928 608 61 to to TO 39928 608 62 reach reach VB 39928 608 63 the the DT 39928 608 64 _ _ NNP 39928 608 65 nearest near JJS 39928 608 66 _ _ NNP 39928 608 67 of of IN 39928 608 68 the the DT 39928 608 69 fixed fix VBN 39928 608 70 stars star NNS 39928 608 71 , , , 39928 608 72 we -PRON- PRP 39928 608 73 shall shall MD 39928 608 74 begin begin VB 39928 608 75 to to TO 39928 608 76 realise realise VB 39928 608 77 , , , 39928 608 78 however however RB 39928 608 79 imperfectly imperfectly RB 39928 608 80 , , , 39928 608 81 how how WRB 39928 608 82 vast vast JJ 39928 608 83 is be VBZ 39928 608 84 the the DT 39928 608 85 system system NN 39928 608 86 of of IN 39928 608 87 suns sun NNS 39928 608 88 around around IN 39928 608 89 us -PRON- PRP 39928 608 90 , , , 39928 608 91 and and CC 39928 608 92 on on IN 39928 608 93 what what WP 39928 608 94 a a DT 39928 608 95 scale scale NN 39928 608 96 of of IN 39928 608 97 immensity immensity NN 39928 608 98 the the DT 39928 608 99 material material JJ 39928 608 100 universe universe NN 39928 608 101 , , , 39928 608 102 which which WDT 39928 608 103 we -PRON- PRP 39928 608 104 see see VBP 39928 608 105 so so RB 39928 608 106 gloriously gloriously RB 39928 608 107 displayed display VBN 39928 608 108 in in IN 39928 608 109 the the DT 39928 608 110 starry starry NN 39928 608 111 heavens heavens NNPS 39928 608 112 and and CC 39928 608 113 the the DT 39928 608 114 mysterious mysterious JJ 39928 608 115 galaxy galaxy NNP 39928 608 116 , , , 39928 608 117 is be VBZ 39928 608 118 constructed construct VBN 39928 608 119 . . . 39928 609 1 This this DT 39928 609 2 somewhat somewhat RB 39928 609 3 lengthy lengthy JJ 39928 609 4 preliminary preliminary JJ 39928 609 5 discussion discussion NN 39928 609 6 is be VBZ 39928 609 7 thought think VBN 39928 609 8 necessary necessary JJ 39928 609 9 in in IN 39928 609 10 order order NN 39928 609 11 that that IN 39928 609 12 my -PRON- PRP$ 39928 609 13 readers reader NNS 39928 609 14 may may MD 39928 609 15 form form VB 39928 609 16 some some DT 39928 609 17 idea idea NN 39928 609 18 of of IN 39928 609 19 the the DT 39928 609 20 enormous enormous JJ 39928 609 21 difficulty difficulty NN 39928 609 22 of of IN 39928 609 23 obtaining obtain VBG 39928 609 24 any any DT 39928 609 25 measurement measurement NN 39928 609 26 whatever whatever WDT 39928 609 27 of of IN 39928 609 28 such such JJ 39928 609 29 distances distance NNS 39928 609 30 . . . 39928 610 1 I -PRON- PRP 39928 610 2 now now RB 39928 610 3 propose propose VBP 39928 610 4 to to TO 39928 610 5 point point VB 39928 610 6 out out RP 39928 610 7 what what WP 39928 610 8 the the DT 39928 610 9 special special JJ 39928 610 10 difficulties difficulty NNS 39928 610 11 are be VBP 39928 610 12 , , , 39928 610 13 and and CC 39928 610 14 how how WRB 39928 610 15 they -PRON- PRP 39928 610 16 have have VBP 39928 610 17 been be VBN 39928 610 18 overcome overcome VBN 39928 610 19 ; ; : 39928 610 20 and and CC 39928 610 21 thus thus RB 39928 610 22 I -PRON- PRP 39928 610 23 hope hope VBP 39928 610 24 to to TO 39928 610 25 be be VB 39928 610 26 able able JJ 39928 610 27 to to TO 39928 610 28 satisfy satisfy VB 39928 610 29 them -PRON- PRP 39928 610 30 that that IN 39928 610 31 the the DT 39928 610 32 figures figure NNS 39928 610 33 astronomers astronomer NNS 39928 610 34 give give VBP 39928 610 35 us -PRON- PRP 39928 610 36 of of IN 39928 610 37 the the DT 39928 610 38 distances distance NNS 39928 610 39 of of IN 39928 610 40 the the DT 39928 610 41 stars star NNS 39928 610 42 are be VBP 39928 610 43 in in IN 39928 610 44 no no DT 39928 610 45 way way NN 39928 610 46 mere mere JJ 39928 610 47 guesses guess NNS 39928 610 48 or or CC 39928 610 49 probabilities probability NNS 39928 610 50 , , , 39928 610 51 but but CC 39928 610 52 are be VBP 39928 610 53 real real JJ 39928 610 54 measurements measurement NNS 39928 610 55 which which WDT 39928 610 56 , , , 39928 610 57 within within IN 39928 610 58 certain certain JJ 39928 610 59 not not RB 39928 610 60 very very RB 39928 610 61 wide wide JJ 39928 610 62 limits limit NNS 39928 610 63 of of IN 39928 610 64 error error NN 39928 610 65 , , , 39928 610 66 may may MD 39928 610 67 be be VB 39928 610 68 trusted trust VBN 39928 610 69 as as IN 39928 610 70 giving give VBG 39928 610 71 us -PRON- PRP 39928 610 72 correct correct JJ 39928 610 73 ideas idea NNS 39928 610 74 of of IN 39928 610 75 the the DT 39928 610 76 magnitude magnitude NN 39928 610 77 of of IN 39928 610 78 the the DT 39928 610 79 visible visible JJ 39928 610 80 universe universe NN 39928 610 81 . . . 39928 611 1 MEASUREMENT MEASUREMENT NNP 39928 611 2 OF of IN 39928 611 3 STELLAR stellar NN 39928 611 4 DISTANCES distance VBZ 39928 611 5 The the DT 39928 611 6 fundamental fundamental JJ 39928 611 7 difficulty difficulty NN 39928 611 8 of of IN 39928 611 9 this this DT 39928 611 10 measurement measurement NN 39928 611 11 is be VBZ 39928 611 12 , , , 39928 611 13 of of IN 39928 611 14 course course NN 39928 611 15 , , , 39928 611 16 that that IN 39928 611 17 the the DT 39928 611 18 distances distance NNS 39928 611 19 are be VBP 39928 611 20 so so RB 39928 611 21 vast vast JJ 39928 611 22 that that IN 39928 611 23 the the DT 39928 611 24 longest long RBS 39928 611 25 available available JJ 39928 611 26 base base NN 39928 611 27 - - HYPH 39928 611 28 line line NN 39928 611 29 , , , 39928 611 30 the the DT 39928 611 31 diameter diameter NN 39928 611 32 of of IN 39928 611 33 the the DT 39928 611 34 earth earth NN 39928 611 35 's 's POS 39928 611 36 orbit orbit NN 39928 611 37 , , , 39928 611 38 only only RB 39928 611 39 subtends subtend VBZ 39928 611 40 an an DT 39928 611 41 angle angle NN 39928 611 42 of of IN 39928 611 43 little little JJ 39928 611 44 more more JJR 39928 611 45 than than IN 39928 611 46 a a DT 39928 611 47 second second NN 39928 611 48 from from IN 39928 611 49 the the DT 39928 611 50 nearest near JJS 39928 611 51 star star NN 39928 611 52 , , , 39928 611 53 while while IN 39928 611 54 for for IN 39928 611 55 all all PDT 39928 611 56 the the DT 39928 611 57 rest rest NN 39928 611 58 it -PRON- PRP 39928 611 59 is be VBZ 39928 611 60 less less JJR 39928 611 61 than than IN 39928 611 62 one one CD 39928 611 63 second second NN 39928 611 64 and and CC 39928 611 65 often often RB 39928 611 66 only only RB 39928 611 67 a a DT 39928 611 68 small small JJ 39928 611 69 fraction fraction NN 39928 611 70 of of IN 39928 611 71 it -PRON- PRP 39928 611 72 . . . 39928 612 1 But but CC 39928 612 2 this this DT 39928 612 3 difficulty difficulty NN 39928 612 4 , , , 39928 612 5 great great JJ 39928 612 6 as as IN 39928 612 7 it -PRON- PRP 39928 612 8 is be VBZ 39928 612 9 , , , 39928 612 10 is be VBZ 39928 612 11 rendered render VBN 39928 612 12 far far RB 39928 612 13 greater great JJR 39928 612 14 by by IN 39928 612 15 the the DT 39928 612 16 fact fact NN 39928 612 17 that that IN 39928 612 18 there there EX 39928 612 19 is be VBZ 39928 612 20 no no DT 39928 612 21 fixed fixed JJ 39928 612 22 point point NN 39928 612 23 in in IN 39928 612 24 the the DT 39928 612 25 heavens heaven NNS 39928 612 26 from from IN 39928 612 27 which which WDT 39928 612 28 to to TO 39928 612 29 measure measure VB 39928 612 30 , , , 39928 612 31 since since IN 39928 612 32 many many JJ 39928 612 33 of of IN 39928 612 34 the the DT 39928 612 35 stars star NNS 39928 612 36 are be VBP 39928 612 37 known know VBN 39928 612 38 to to TO 39928 612 39 be be VB 39928 612 40 in in IN 39928 612 41 motion motion NN 39928 612 42 , , , 39928 612 43 and and CC 39928 612 44 all all DT 39928 612 45 are be VBP 39928 612 46 believed believe VBN 39928 612 47 to to TO 39928 612 48 be be VB 39928 612 49 so so RB 39928 612 50 in in IN 39928 612 51 varying vary VBG 39928 612 52 degrees degree NNS 39928 612 53 , , , 39928 612 54 while while IN 39928 612 55 the the DT 39928 612 56 sun sun NN 39928 612 57 itself -PRON- PRP 39928 612 58 is be VBZ 39928 612 59 now now RB 39928 612 60 known know VBN 39928 612 61 to to TO 39928 612 62 be be VB 39928 612 63 moving move VBG 39928 612 64 among among IN 39928 612 65 the the DT 39928 612 66 stars star NNS 39928 612 67 at at IN 39928 612 68 a a DT 39928 612 69 rate rate NN 39928 612 70 which which WDT 39928 612 71 is be VBZ 39928 612 72 not not RB 39928 612 73 yet yet RB 39928 612 74 accurately accurately RB 39928 612 75 determined determine VBN 39928 612 76 , , , 39928 612 77 but but CC 39928 612 78 in in IN 39928 612 79 a a DT 39928 612 80 direction direction NN 39928 612 81 which which WDT 39928 612 82 is be VBZ 39928 612 83 fairly fairly RB 39928 612 84 well well RB 39928 612 85 known known JJ 39928 612 86 . . . 39928 613 1 As as IN 39928 613 2 the the DT 39928 613 3 various various JJ 39928 613 4 motions motion NNS 39928 613 5 of of IN 39928 613 6 the the DT 39928 613 7 earth earth NN 39928 613 8 while while IN 39928 613 9 passing pass VBG 39928 613 10 round round RB 39928 613 11 the the DT 39928 613 12 sun sun NN 39928 613 13 , , , 39928 613 14 though though IN 39928 613 15 extremely extremely RB 39928 613 16 complex complex JJ 39928 613 17 , , , 39928 613 18 are be VBP 39928 613 19 very very RB 39928 613 20 accurately accurately RB 39928 613 21 known know VBN 39928 613 22 , , , 39928 613 23 it -PRON- PRP 39928 613 24 was be VBD 39928 613 25 first first RB 39928 613 26 attempted attempt VBN 39928 613 27 to to TO 39928 613 28 determine determine VB 39928 613 29 the the DT 39928 613 30 changed changed JJ 39928 613 31 position position NN 39928 613 32 of of IN 39928 613 33 stars star NNS 39928 613 34 by by IN 39928 613 35 observations observation NNS 39928 613 36 , , , 39928 613 37 many many JJ 39928 613 38 times time NNS 39928 613 39 repeated repeat VBD 39928 613 40 at at IN 39928 613 41 six six CD 39928 613 42 months month NNS 39928 613 43 ' ' POS 39928 613 44 intervals interval NNS 39928 613 45 , , , 39928 613 46 of of IN 39928 613 47 the the DT 39928 613 48 moment moment NN 39928 613 49 of of IN 39928 613 50 their -PRON- PRP$ 39928 613 51 passage passage NN 39928 613 52 over over IN 39928 613 53 the the DT 39928 613 54 meridian meridian NN 39928 613 55 and and CC 39928 613 56 their -PRON- PRP$ 39928 613 57 distance distance NN 39928 613 58 from from IN 39928 613 59 the the DT 39928 613 60 zenith zenith NN 39928 613 61 ; ; : 39928 613 62 and and CC 39928 613 63 then then RB 39928 613 64 by by IN 39928 613 65 allowing allow VBG 39928 613 66 for for IN 39928 613 67 all all PDT 39928 613 68 the the DT 39928 613 69 known know VBN 39928 613 70 motions motion NNS 39928 613 71 of of IN 39928 613 72 the the DT 39928 613 73 earth earth NN 39928 613 74 , , , 39928 613 75 such such JJ 39928 613 76 as as IN 39928 613 77 precession precession NN 39928 613 78 of of IN 39928 613 79 the the DT 39928 613 80 equinoxes equinox NNS 39928 613 81 and and CC 39928 613 82 nutation nutation NN 39928 613 83 of of IN 39928 613 84 the the DT 39928 613 85 earth earth NN 39928 613 86 's 's POS 39928 613 87 axis axis NN 39928 613 88 , , , 39928 613 89 as as RB 39928 613 90 well well RB 39928 613 91 as as IN 39928 613 92 for for IN 39928 613 93 refraction refraction NN 39928 613 94 and and CC 39928 613 95 for for IN 39928 613 96 the the DT 39928 613 97 aberration aberration NN 39928 613 98 of of IN 39928 613 99 light light NN 39928 613 100 , , , 39928 613 101 to to TO 39928 613 102 determine determine VB 39928 613 103 what what WDT 39928 613 104 residual residual JJ 39928 613 105 effect effect NN 39928 613 106 was be VBD 39928 613 107 due due JJ 39928 613 108 to to IN 39928 613 109 the the DT 39928 613 110 difference difference NN 39928 613 111 of of IN 39928 613 112 position position NN 39928 613 113 from from IN 39928 613 114 which which WDT 39928 613 115 the the DT 39928 613 116 star star NN 39928 613 117 was be VBD 39928 613 118 viewed view VBN 39928 613 119 ; ; : 39928 613 120 and and CC 39928 613 121 a a DT 39928 613 122 result result NN 39928 613 123 was be VBD 39928 613 124 thus thus RB 39928 613 125 obtained obtain VBN 39928 613 126 in in IN 39928 613 127 several several JJ 39928 613 128 cases case NNS 39928 613 129 , , , 39928 613 130 though though IN 39928 613 131 almost almost RB 39928 613 132 always always RB 39928 613 133 a a DT 39928 613 134 larger large JJR 39928 613 135 one one NN 39928 613 136 than than IN 39928 613 137 has have VBZ 39928 613 138 been be VBN 39928 613 139 found find VBN 39928 613 140 by by IN 39928 613 141 later later JJ 39928 613 142 observations observation NNS 39928 613 143 and and CC 39928 613 144 by by IN 39928 613 145 better well JJR 39928 613 146 methods method NNS 39928 613 147 . . . 39928 614 1 These these DT 39928 614 2 earlier early JJR 39928 614 3 observations observation NNS 39928 614 4 , , , 39928 614 5 however however RB 39928 614 6 perfect perfect JJ 39928 614 7 the the DT 39928 614 8 instruments instrument NNS 39928 614 9 and and CC 39928 614 10 however however RB 39928 614 11 skilful skilful JJ 39928 614 12 the the DT 39928 614 13 observer observer NN 39928 614 14 , , , 39928 614 15 are be VBP 39928 614 16 liable liable JJ 39928 614 17 to to IN 39928 614 18 errors error NNS 39928 614 19 which which WDT 39928 614 20 it -PRON- PRP 39928 614 21 seems seem VBZ 39928 614 22 impossible impossible JJ 39928 614 23 to to TO 39928 614 24 avoid avoid VB 39928 614 25 . . . 39928 615 1 The the DT 39928 615 2 instruments instrument NNS 39928 615 3 themselves -PRON- PRP 39928 615 4 are be VBP 39928 615 5 subject subject JJ 39928 615 6 in in IN 39928 615 7 all all DT 39928 615 8 their -PRON- PRP$ 39928 615 9 parts part NNS 39928 615 10 to to IN 39928 615 11 expansion expansion NN 39928 615 12 and and CC 39928 615 13 contraction contraction NN 39928 615 14 by by IN 39928 615 15 changes change NNS 39928 615 16 of of IN 39928 615 17 temperature temperature NN 39928 615 18 ; ; , 39928 615 19 and and CC 39928 615 20 when when WRB 39928 615 21 these these DT 39928 615 22 changes change NNS 39928 615 23 are be VBP 39928 615 24 sudden sudden JJ 39928 615 25 , , , 39928 615 26 one one CD 39928 615 27 part part NN 39928 615 28 of of IN 39928 615 29 the the DT 39928 615 30 instrument instrument NN 39928 615 31 may may MD 39928 615 32 be be VB 39928 615 33 affected affect VBN 39928 615 34 more more JJR 39928 615 35 than than IN 39928 615 36 another another DT 39928 615 37 , , , 39928 615 38 and and CC 39928 615 39 this this DT 39928 615 40 will will MD 39928 615 41 often often RB 39928 615 42 lead lead VB 39928 615 43 to to IN 39928 615 44 minute minute JJ 39928 615 45 errors error NNS 39928 615 46 which which WDT 39928 615 47 may may MD 39928 615 48 seriously seriously RB 39928 615 49 affect affect VB 39928 615 50 the the DT 39928 615 51 amount amount NN 39928 615 52 to to TO 39928 615 53 be be VB 39928 615 54 measured measure VBN 39928 615 55 when when WRB 39928 615 56 that that DT 39928 615 57 is be VBZ 39928 615 58 so so RB 39928 615 59 small small JJ 39928 615 60 . . . 39928 616 1 Another another DT 39928 616 2 source source NN 39928 616 3 of of IN 39928 616 4 error error NN 39928 616 5 is be VBZ 39928 616 6 due due JJ 39928 616 7 to to IN 39928 616 8 atmospheric atmospheric JJ 39928 616 9 refraction refraction NN 39928 616 10 , , , 39928 616 11 which which WDT 39928 616 12 is be VBZ 39928 616 13 subject subject JJ 39928 616 14 to to IN 39928 616 15 changes change NNS 39928 616 16 both both DT 39928 616 17 from from IN 39928 616 18 hour hour NN 39928 616 19 to to IN 39928 616 20 hour hour NN 39928 616 21 and and CC 39928 616 22 at at IN 39928 616 23 different different JJ 39928 616 24 seasons season NNS 39928 616 25 . . . 39928 617 1 But but CC 39928 617 2 perhaps perhaps RB 39928 617 3 most most RBS 39928 617 4 important important JJ 39928 617 5 of of IN 39928 617 6 all all DT 39928 617 7 are be VBP 39928 617 8 minute minute NN 39928 617 9 changes change NNS 39928 617 10 in in IN 39928 617 11 level level NN 39928 617 12 of of IN 39928 617 13 the the DT 39928 617 14 foundations foundation NNS 39928 617 15 of of IN 39928 617 16 the the DT 39928 617 17 instruments instrument NNS 39928 617 18 even even RB 39928 617 19 when when WRB 39928 617 20 they -PRON- PRP 39928 617 21 are be VBP 39928 617 22 carried carry VBN 39928 617 23 down down RP 39928 617 24 to to IN 39928 617 25 solid solid JJ 39928 617 26 rock rock NN 39928 617 27 . . . 39928 618 1 Both both DT 39928 618 2 changes change NNS 39928 618 3 of of IN 39928 618 4 temperature temperature NN 39928 618 5 and and CC 39928 618 6 changes change NNS 39928 618 7 of of IN 39928 618 8 moisture moisture NN 39928 618 9 of of IN 39928 618 10 the the DT 39928 618 11 soil soil NN 39928 618 12 produce produce VBP 39928 618 13 minute minute NN 39928 618 14 alterations alteration NNS 39928 618 15 of of IN 39928 618 16 level level NN 39928 618 17 ; ; : 39928 618 18 while while IN 39928 618 19 earth earth NN 39928 618 20 - - HYPH 39928 618 21 tremors tremor NNS 39928 618 22 and and CC 39928 618 23 slow slow JJ 39928 618 24 movements movement NNS 39928 618 25 of of IN 39928 618 26 elevation elevation NN 39928 618 27 or or CC 39928 618 28 depression depression NN 39928 618 29 are be VBP 39928 618 30 now now RB 39928 618 31 known know VBN 39928 618 32 to to TO 39928 618 33 be be VB 39928 618 34 very very RB 39928 618 35 frequent frequent JJ 39928 618 36 . . . 39928 619 1 Owing owe VBG 39928 619 2 to to IN 39928 619 3 all all PDT 39928 619 4 these these DT 39928 619 5 causes cause NNS 39928 619 6 , , , 39928 619 7 actual actual JJ 39928 619 8 measurements measurement NNS 39928 619 9 of of IN 39928 619 10 differences difference NNS 39928 619 11 of of IN 39928 619 12 position position NN 39928 619 13 at at IN 39928 619 14 different different JJ 39928 619 15 times time NNS 39928 619 16 of of IN 39928 619 17 the the DT 39928 619 18 year year NN 39928 619 19 , , , 39928 619 20 amounting amount VBG 39928 619 21 to to IN 39928 619 22 small small JJ 39928 619 23 fractions fraction NNS 39928 619 24 of of IN 39928 619 25 a a DT 39928 619 26 second second JJ 39928 619 27 , , , 39928 619 28 are be VBP 39928 619 29 found find VBN 39928 619 30 to to TO 39928 619 31 be be VB 39928 619 32 too too RB 39928 619 33 uncertain uncertain JJ 39928 619 34 for for IN 39928 619 35 the the DT 39928 619 36 determination determination NN 39928 619 37 of of IN 39928 619 38 such such JJ 39928 619 39 minute minute JJ 39928 619 40 angles angle NNS 39928 619 41 with with IN 39928 619 42 the the DT 39928 619 43 required require VBN 39928 619 44 accuracy accuracy NN 39928 619 45 . . . 39928 620 1 But but CC 39928 620 2 there there EX 39928 620 3 is be VBZ 39928 620 4 another another DT 39928 620 5 method method NN 39928 620 6 which which WDT 39928 620 7 avoids avoid VBZ 39928 620 8 almost almost RB 39928 620 9 all all PDT 39928 620 10 these these DT 39928 620 11 sources source NNS 39928 620 12 of of IN 39928 620 13 error error NN 39928 620 14 , , , 39928 620 15 and and CC 39928 620 16 this this DT 39928 620 17 is be VBZ 39928 620 18 now now RB 39928 620 19 generally generally RB 39928 620 20 preferred prefer VBN 39928 620 21 and and CC 39928 620 22 adopted adopt VBN 39928 620 23 for for IN 39928 620 24 these these DT 39928 620 25 measurements measurement NNS 39928 620 26 . . . 39928 621 1 It -PRON- PRP 39928 621 2 is be VBZ 39928 621 3 , , , 39928 621 4 that that DT 39928 621 5 of of IN 39928 621 6 measuring measure VBG 39928 621 7 the the DT 39928 621 8 distance distance NN 39928 621 9 between between IN 39928 621 10 two two CD 39928 621 11 stars star NNS 39928 621 12 situated situate VBN 39928 621 13 apparently apparently RB 39928 621 14 very very RB 39928 621 15 near near IN 39928 621 16 each each DT 39928 621 17 other other JJ 39928 621 18 , , , 39928 621 19 one one CD 39928 621 20 of of IN 39928 621 21 which which WDT 39928 621 22 has have VBZ 39928 621 23 large large JJ 39928 621 24 proper proper JJ 39928 621 25 motion motion NN 39928 621 26 , , , 39928 621 27 while while IN 39928 621 28 the the DT 39928 621 29 other other JJ 39928 621 30 has have VBZ 39928 621 31 none none NN 39928 621 32 which which WDT 39928 621 33 is be VBZ 39928 621 34 measurable measurable JJ 39928 621 35 . . . 39928 622 1 The the DT 39928 622 2 proper proper JJ 39928 622 3 motions motion NNS 39928 622 4 of of IN 39928 622 5 the the DT 39928 622 6 stars star NNS 39928 622 7 was be VBD 39928 622 8 first first RB 39928 622 9 suspected suspect VBN 39928 622 10 by by IN 39928 622 11 Halley Halley NNP 39928 622 12 in in IN 39928 622 13 1717 1717 CD 39928 622 14 , , , 39928 622 15 from from IN 39928 622 16 finding find VBG 39928 622 17 that that IN 39928 622 18 several several JJ 39928 622 19 stars star NNS 39928 622 20 , , , 39928 622 21 whose whose WP$ 39928 622 22 places place NNS 39928 622 23 had have VBD 39928 622 24 been be VBN 39928 622 25 given give VBN 39928 622 26 by by IN 39928 622 27 Hipparchus Hipparchus NNP 39928 622 28 , , , 39928 622 29 130 130 CD 39928 622 30 B.C. B.C. NNP 39928 622 31 , , , 39928 622 32 were be VBD 39928 622 33 not not RB 39928 622 34 in in IN 39928 622 35 the the DT 39928 622 36 positions position NNS 39928 622 37 where where WRB 39928 622 38 they -PRON- PRP 39928 622 39 now now RB 39928 622 40 ought ought MD 39928 622 41 to to TO 39928 622 42 be be VB 39928 622 43 ; ; , 39928 622 44 and and CC 39928 622 45 other other JJ 39928 622 46 observations observation NNS 39928 622 47 by by IN 39928 622 48 the the DT 39928 622 49 old old JJ 39928 622 50 astronomers astronomer NNS 39928 622 51 , , , 39928 622 52 especially especially RB 39928 622 53 those those DT 39928 622 54 of of IN 39928 622 55 occultations occultation NNS 39928 622 56 of of IN 39928 622 57 stars star NNS 39928 622 58 by by IN 39928 622 59 the the DT 39928 622 60 moon moon NN 39928 622 61 , , , 39928 622 62 led lead VBD 39928 622 63 to to IN 39928 622 64 the the DT 39928 622 65 same same JJ 39928 622 66 result result NN 39928 622 67 . . . 39928 623 1 Since since IN 39928 623 2 the the DT 39928 623 3 time time NN 39928 623 4 of of IN 39928 623 5 Halley Halley NNP 39928 623 6 very very RB 39928 623 7 accurate accurate JJ 39928 623 8 observations observation NNS 39928 623 9 of of IN 39928 623 10 the the DT 39928 623 11 stars star NNS 39928 623 12 have have VBP 39928 623 13 been be VBN 39928 623 14 made make VBN 39928 623 15 , , , 39928 623 16 and and CC 39928 623 17 in in IN 39928 623 18 many many JJ 39928 623 19 cases case NNS 39928 623 20 it -PRON- PRP 39928 623 21 is be VBZ 39928 623 22 found find VBN 39928 623 23 that that IN 39928 623 24 they -PRON- PRP 39928 623 25 move move VBP 39928 623 26 perceptibly perceptibly RB 39928 623 27 from from IN 39928 623 28 year year NN 39928 623 29 to to IN 39928 623 30 year year NN 39928 623 31 , , , 39928 623 32 while while IN 39928 623 33 others other NNS 39928 623 34 move move VBP 39928 623 35 so so RB 39928 623 36 slowly slowly RB 39928 623 37 that that IN 39928 623 38 it -PRON- PRP 39928 623 39 is be VBZ 39928 623 40 only only RB 39928 623 41 after after IN 39928 623 42 forty forty CD 39928 623 43 or or CC 39928 623 44 fifty fifty CD 39928 623 45 years year NNS 39928 623 46 that that IN 39928 623 47 the the DT 39928 623 48 motion motion NN 39928 623 49 can can MD 39928 623 50 be be VB 39928 623 51 detected detect VBN 39928 623 52 . . . 39928 624 1 The the DT 39928 624 2 greatest great JJS 39928 624 3 proper proper JJ 39928 624 4 motions motion NNS 39928 624 5 yet yet CC 39928 624 6 determined determine VBN 39928 624 7 amount amount NN 39928 624 8 to to IN 39928 624 9 between between IN 39928 624 10 7 7 CD 39928 624 11 " " '' 39928 624 12 and and CC 39928 624 13 8 8 CD 39928 624 14 " " '' 39928 624 15 in in IN 39928 624 16 a a DT 39928 624 17 year year NN 39928 624 18 , , , 39928 624 19 while while IN 39928 624 20 other other JJ 39928 624 21 stars star NNS 39928 624 22 require require VBP 39928 624 23 twenty twenty CD 39928 624 24 , , , 39928 624 25 or or CC 39928 624 26 even even RB 39928 624 27 fifty fifty CD 39928 624 28 or or CC 39928 624 29 a a DT 39928 624 30 hundred hundred CD 39928 624 31 years year NNS 39928 624 32 to to TO 39928 624 33 show show VB 39928 624 34 an an DT 39928 624 35 equal equal JJ 39928 624 36 amount amount NN 39928 624 37 of of IN 39928 624 38 displacement displacement NN 39928 624 39 . . . 39928 625 1 At at IN 39928 625 2 first first RB 39928 625 3 it -PRON- PRP 39928 625 4 was be VBD 39928 625 5 thought think VBN 39928 625 6 that that IN 39928 625 7 the the DT 39928 625 8 brightest bright JJS 39928 625 9 stars star NNS 39928 625 10 would would MD 39928 625 11 have have VB 39928 625 12 the the DT 39928 625 13 largest large JJS 39928 625 14 proper proper JJ 39928 625 15 motion motion NN 39928 625 16 , , , 39928 625 17 because because IN 39928 625 18 it -PRON- PRP 39928 625 19 was be VBD 39928 625 20 supposed suppose VBN 39928 625 21 they -PRON- PRP 39928 625 22 were be VBD 39928 625 23 nearest near JJS 39928 625 24 to to IN 39928 625 25 us -PRON- PRP 39928 625 26 , , , 39928 625 27 but but CC 39928 625 28 it -PRON- PRP 39928 625 29 was be VBD 39928 625 30 soon soon RB 39928 625 31 found find VBN 39928 625 32 that that IN 39928 625 33 many many JJ 39928 625 34 small small JJ 39928 625 35 and and CC 39928 625 36 quite quite RB 39928 625 37 inconspicuous inconspicuous JJ 39928 625 38 stars star NNS 39928 625 39 moved move VBD 39928 625 40 as as RB 39928 625 41 rapidly rapidly RB 39928 625 42 as as IN 39928 625 43 the the DT 39928 625 44 most most RBS 39928 625 45 brilliant brilliant JJ 39928 625 46 , , , 39928 625 47 while while IN 39928 625 48 in in IN 39928 625 49 many many JJ 39928 625 50 very very RB 39928 625 51 bright bright JJ 39928 625 52 stars star NNS 39928 625 53 no no DT 39928 625 54 proper proper JJ 39928 625 55 motion motion NN 39928 625 56 at at RB 39928 625 57 all all RB 39928 625 58 can can MD 39928 625 59 be be VB 39928 625 60 detected detect VBN 39928 625 61 . . . 39928 626 1 That that DT 39928 626 2 which which WDT 39928 626 3 moves move VBZ 39928 626 4 most most RBS 39928 626 5 rapidly rapidly RB 39928 626 6 is be VBZ 39928 626 7 a a DT 39928 626 8 small small JJ 39928 626 9 star star NN 39928 626 10 of of IN 39928 626 11 less less JJR 39928 626 12 than than IN 39928 626 13 the the DT 39928 626 14 sixth sixth JJ 39928 626 15 magnitude magnitude NN 39928 626 16 . . . 39928 627 1 It -PRON- PRP 39928 627 2 is be VBZ 39928 627 3 a a DT 39928 627 4 matter matter NN 39928 627 5 of of IN 39928 627 6 common common JJ 39928 627 7 observation observation NN 39928 627 8 that that IN 39928 627 9 the the DT 39928 627 10 motion motion NN 39928 627 11 of of IN 39928 627 12 things thing NNS 39928 627 13 at at IN 39928 627 14 a a DT 39928 627 15 distance distance NN 39928 627 16 can can MD 39928 627 17 not not RB 39928 627 18 be be VB 39928 627 19 perceived perceive VBN 39928 627 20 so so RB 39928 627 21 well well RB 39928 627 22 as as IN 39928 627 23 when when WRB 39928 627 24 near near RB 39928 627 25 , , , 39928 627 26 even even RB 39928 627 27 though though IN 39928 627 28 the the DT 39928 627 29 speed speed NN 39928 627 30 may may MD 39928 627 31 be be VB 39928 627 32 the the DT 39928 627 33 same same JJ 39928 627 34 . . . 39928 628 1 If if IN 39928 628 2 a a DT 39928 628 3 man man NN 39928 628 4 is be VBZ 39928 628 5 seen see VBN 39928 628 6 on on IN 39928 628 7 the the DT 39928 628 8 top top NN 39928 628 9 of of IN 39928 628 10 a a DT 39928 628 11 hill hill NN 39928 628 12 several several JJ 39928 628 13 miles mile NNS 39928 628 14 off off RP 39928 628 15 , , , 39928 628 16 we -PRON- PRP 39928 628 17 have have VBP 39928 628 18 to to TO 39928 628 19 observe observe VB 39928 628 20 him -PRON- PRP 39928 628 21 closely closely RB 39928 628 22 for for IN 39928 628 23 some some DT 39928 628 24 time time NN 39928 628 25 before before IN 39928 628 26 we -PRON- PRP 39928 628 27 can can MD 39928 628 28 be be VB 39928 628 29 sure sure JJ 39928 628 30 whether whether IN 39928 628 31 he -PRON- PRP 39928 628 32 is be VBZ 39928 628 33 walking walk VBG 39928 628 34 or or CC 39928 628 35 standing stand VBG 39928 628 36 still still RB 39928 628 37 . . . 39928 629 1 But but CC 39928 629 2 objects object NNS 39928 629 3 so so RB 39928 629 4 enormously enormously RB 39928 629 5 distant distant JJ 39928 629 6 as as IN 39928 629 7 we -PRON- PRP 39928 629 8 now now RB 39928 629 9 know know VBP 39928 629 10 that that IN 39928 629 11 the the DT 39928 629 12 stars star NNS 39928 629 13 are be VBP 39928 629 14 , , , 39928 629 15 may may MD 39928 629 16 be be VB 39928 629 17 moving move VBG 39928 629 18 at at IN 39928 629 19 the the DT 39928 629 20 rate rate NN 39928 629 21 of of IN 39928 629 22 many many JJ 39928 629 23 miles mile NNS 39928 629 24 in in IN 39928 629 25 a a DT 39928 629 26 second second NN 39928 629 27 and and CC 39928 629 28 yet yet RB 39928 629 29 require require VB 39928 629 30 years year NNS 39928 629 31 of of IN 39928 629 32 observation observation NN 39928 629 33 to to TO 39928 629 34 detect detect VB 39928 629 35 any any DT 39928 629 36 movement movement NN 39928 629 37 at at RB 39928 629 38 all all RB 39928 629 39 . . . 39928 630 1 The the DT 39928 630 2 proper proper JJ 39928 630 3 motions motion NNS 39928 630 4 of of IN 39928 630 5 nearly nearly RB 39928 630 6 a a DT 39928 630 7 hundred hundred CD 39928 630 8 stars star NNS 39928 630 9 have have VBP 39928 630 10 now now RB 39928 630 11 been be VBN 39928 630 12 ascertained ascertain VBN 39928 630 13 to to TO 39928 630 14 be be VB 39928 630 15 more more JJR 39928 630 16 than than IN 39928 630 17 one one CD 39928 630 18 second second NN 39928 630 19 of of IN 39928 630 20 arc arc NN 39928 630 21 annually annually RB 39928 630 22 , , , 39928 630 23 while while IN 39928 630 24 a a DT 39928 630 25 large large JJ 39928 630 26 number number NN 39928 630 27 have have VBP 39928 630 28 less less JJR 39928 630 29 than than IN 39928 630 30 this this DT 39928 630 31 , , , 39928 630 32 and and CC 39928 630 33 the the DT 39928 630 34 majority majority NN 39928 630 35 have have VBP 39928 630 36 no no DT 39928 630 37 perceptible perceptible JJ 39928 630 38 motion motion NN 39928 630 39 , , , 39928 630 40 presumably presumably RB 39928 630 41 due due IN 39928 630 42 to to IN 39928 630 43 their -PRON- PRP$ 39928 630 44 enormous enormous JJ 39928 630 45 distance distance NN 39928 630 46 from from IN 39928 630 47 us -PRON- PRP 39928 630 48 . . . 39928 631 1 It -PRON- PRP 39928 631 2 is be VBZ 39928 631 3 therefore therefore RB 39928 631 4 not not RB 39928 631 5 difficult difficult JJ 39928 631 6 in in IN 39928 631 7 most most JJS 39928 631 8 cases case NNS 39928 631 9 to to TO 39928 631 10 find find VB 39928 631 11 one one CD 39928 631 12 or or CC 39928 631 13 two two CD 39928 631 14 motionless motionless JJ 39928 631 15 stars star NNS 39928 631 16 sufficiently sufficiently RB 39928 631 17 close close JJ 39928 631 18 to to IN 39928 631 19 a a DT 39928 631 20 star star NN 39928 631 21 having have VBG 39928 631 22 a a DT 39928 631 23 large large JJ 39928 631 24 proper proper JJ 39928 631 25 motion motion NN 39928 631 26 ( ( -LRB- 39928 631 27 anything anything NN 39928 631 28 more more JJR 39928 631 29 than than IN 39928 631 30 one one CD 39928 631 31 - - HYPH 39928 631 32 tenth tenth NN 39928 631 33 of of IN 39928 631 34 a a DT 39928 631 35 second second JJ 39928 631 36 is be VBZ 39928 631 37 so so RB 39928 631 38 called call VBN 39928 631 39 ) ) -RRB- 39928 631 40 to to TO 39928 631 41 serve serve VB 39928 631 42 as as IN 39928 631 43 fixed fix VBN 39928 631 44 points point NNS 39928 631 45 of of IN 39928 631 46 measurement measurement NN 39928 631 47 . . . 39928 632 1 All all DT 39928 632 2 that that WDT 39928 632 3 is be VBZ 39928 632 4 then then RB 39928 632 5 required require VBN 39928 632 6 is be VBZ 39928 632 7 , , , 39928 632 8 to to TO 39928 632 9 measure measure VB 39928 632 10 with with IN 39928 632 11 extreme extreme JJ 39928 632 12 accuracy accuracy NN 39928 632 13 the the DT 39928 632 14 angular angular JJ 39928 632 15 distance distance NN 39928 632 16 of of IN 39928 632 17 the the DT 39928 632 18 moving moving NN 39928 632 19 from from IN 39928 632 20 the the DT 39928 632 21 fixed fix VBN 39928 632 22 stars star NNS 39928 632 23 at at IN 39928 632 24 intervals interval NNS 39928 632 25 of of IN 39928 632 26 six six CD 39928 632 27 months month NNS 39928 632 28 . . . 39928 633 1 The the DT 39928 633 2 measurements measurement NNS 39928 633 3 can can MD 39928 633 4 be be VB 39928 633 5 made make VBN 39928 633 6 , , , 39928 633 7 however however RB 39928 633 8 , , , 39928 633 9 on on IN 39928 633 10 every every DT 39928 633 11 fine fine JJ 39928 633 12 night night NN 39928 633 13 , , , 39928 633 14 each each DT 39928 633 15 one one NN 39928 633 16 being be VBG 39928 633 17 compared compare VBN 39928 633 18 with with IN 39928 633 19 one one CD 39928 633 20 at at IN 39928 633 21 nearly nearly RB 39928 633 22 an an DT 39928 633 23 interval interval NN 39928 633 24 of of IN 39928 633 25 six six CD 39928 633 26 months month NNS 39928 633 27 from from IN 39928 633 28 it -PRON- PRP 39928 633 29 . . . 39928 634 1 In in IN 39928 634 2 this this DT 39928 634 3 way way NN 39928 634 4 a a DT 39928 634 5 hundred hundred CD 39928 634 6 or or CC 39928 634 7 more more JJR 39928 634 8 measurements measurement NNS 39928 634 9 of of IN 39928 634 10 the the DT 39928 634 11 same same JJ 39928 634 12 star star NN 39928 634 13 may may MD 39928 634 14 be be VB 39928 634 15 made make VBN 39928 634 16 in in IN 39928 634 17 a a DT 39928 634 18 year year NN 39928 634 19 , , , 39928 634 20 and and CC 39928 634 21 the the DT 39928 634 22 mean mean NN 39928 634 23 of of IN 39928 634 24 the the DT 39928 634 25 whole whole JJ 39928 634 26 , , , 39928 634 27 allowance allowance NN 39928 634 28 being be VBG 39928 634 29 made make VBN 39928 634 30 for for IN 39928 634 31 proper proper JJ 39928 634 32 motion motion NN 39928 634 33 in in IN 39928 634 34 the the DT 39928 634 35 interval interval NN 39928 634 36 , , , 39928 634 37 will will MD 39928 634 38 give give VB 39928 634 39 a a DT 39928 634 40 much much RB 39928 634 41 more more RBR 39928 634 42 accurate accurate JJ 39928 634 43 result result NN 39928 634 44 than than IN 39928 634 45 any any DT 39928 634 46 single single JJ 39928 634 47 measurement measurement NN 39928 634 48 . . . 39928 635 1 This this DT 39928 635 2 kind kind NN 39928 635 3 of of IN 39928 635 4 measurement measurement NN 39928 635 5 can can MD 39928 635 6 be be VB 39928 635 7 made make VBN 39928 635 8 with with IN 39928 635 9 extreme extreme JJ 39928 635 10 accuracy accuracy NN 39928 635 11 when when WRB 39928 635 12 the the DT 39928 635 13 two two CD 39928 635 14 stars star NNS 39928 635 15 can can MD 39928 635 16 be be VB 39928 635 17 seen see VBN 39928 635 18 together together RB 39928 635 19 in in IN 39928 635 20 the the DT 39928 635 21 field field NN 39928 635 22 of of IN 39928 635 23 the the DT 39928 635 24 telescope telescope NN 39928 635 25 ; ; : 39928 635 26 either either CC 39928 635 27 by by IN 39928 635 28 the the DT 39928 635 29 use use NN 39928 635 30 of of IN 39928 635 31 a a DT 39928 635 32 micrometer micrometer NN 39928 635 33 , , , 39928 635 34 or or CC 39928 635 35 by by IN 39928 635 36 means mean NNS 39928 635 37 of of IN 39928 635 38 an an DT 39928 635 39 instrument instrument NN 39928 635 40 called call VBN 39928 635 41 a a DT 39928 635 42 heliometer heliometer NN 39928 635 43 , , , 39928 635 44 now now RB 39928 635 45 often often RB 39928 635 46 constructed construct VBN 39928 635 47 for for IN 39928 635 48 the the DT 39928 635 49 purpose purpose NN 39928 635 50 . . . 39928 636 1 This this DT 39928 636 2 is be VBZ 39928 636 3 an an DT 39928 636 4 astronomical astronomical JJ 39928 636 5 telescope telescope NN 39928 636 6 of of IN 39928 636 7 rather rather RB 39928 636 8 large large JJ 39928 636 9 size size NN 39928 636 10 , , , 39928 636 11 the the DT 39928 636 12 object object NN 39928 636 13 glass glass NN 39928 636 14 of of IN 39928 636 15 which which WDT 39928 636 16 is be VBZ 39928 636 17 cut cut VBN 39928 636 18 in in IN 39928 636 19 two two CD 39928 636 20 straight straight RB 39928 636 21 across across IN 39928 636 22 the the DT 39928 636 23 centre centre NN 39928 636 24 , , , 39928 636 25 and and CC 39928 636 26 the the DT 39928 636 27 two two CD 39928 636 28 halves half NNS 39928 636 29 made make VBN 39928 636 30 to to TO 39928 636 31 slide slide VB 39928 636 32 upon upon IN 39928 636 33 each each DT 39928 636 34 other other JJ 39928 636 35 by by IN 39928 636 36 means mean NNS 39928 636 37 of of IN 39928 636 38 an an DT 39928 636 39 exceedingly exceedingly RB 39928 636 40 fine fine JJ 39928 636 41 and and CC 39928 636 42 accurate accurate JJ 39928 636 43 screw screw NN 39928 636 44 - - HYPH 39928 636 45 motion motion NN 39928 636 46 , , , 39928 636 47 so so RB 39928 636 48 adjusted adjusted JJ 39928 636 49 and and CC 39928 636 50 tested test VBD 39928 636 51 as as IN 39928 636 52 to to TO 39928 636 53 measure measure VB 39928 636 54 the the DT 39928 636 55 angular angular JJ 39928 636 56 distance distance NN 39928 636 57 of of IN 39928 636 58 two two CD 39928 636 59 objects object NNS 39928 636 60 with with IN 39928 636 61 extreme extreme JJ 39928 636 62 accuracy accuracy NN 39928 636 63 . . . 39928 637 1 This this DT 39928 637 2 is be VBZ 39928 637 3 done do VBN 39928 637 4 by by IN 39928 637 5 the the DT 39928 637 6 number number NN 39928 637 7 of of IN 39928 637 8 turns turn NNS 39928 637 9 of of IN 39928 637 10 the the DT 39928 637 11 screw screw NN 39928 637 12 required require VBN 39928 637 13 to to TO 39928 637 14 bring bring VB 39928 637 15 the the DT 39928 637 16 two two CD 39928 637 17 stars star NNS 39928 637 18 into into IN 39928 637 19 contact contact NN 39928 637 20 with with IN 39928 637 21 each each DT 39928 637 22 other other JJ 39928 637 23 , , , 39928 637 24 the the DT 39928 637 25 image image NN 39928 637 26 of of IN 39928 637 27 each each DT 39928 637 28 one one NN 39928 637 29 being be VBG 39928 637 30 formed form VBN 39928 637 31 by by IN 39928 637 32 one one CD 39928 637 33 of of IN 39928 637 34 the the DT 39928 637 35 halves half NNS 39928 637 36 of of IN 39928 637 37 the the DT 39928 637 38 object object NN 39928 637 39 glass glass NN 39928 637 40 . . . 39928 638 1 But but CC 39928 638 2 the the DT 39928 638 3 greatest great JJS 39928 638 4 advantage advantage NN 39928 638 5 of of IN 39928 638 6 this this DT 39928 638 7 method method NN 39928 638 8 of of IN 39928 638 9 determining determine VBG 39928 638 10 parallax parallax NN 39928 638 11 is be VBZ 39928 638 12 , , , 39928 638 13 as as IN 39928 638 14 Sir Sir NNP 39928 638 15 John John NNP 39928 638 16 Herschell Herschell NNP 39928 638 17 points point VBZ 39928 638 18 out out RP 39928 638 19 , , , 39928 638 20 that that IN 39928 638 21 it -PRON- PRP 39928 638 22 gets get VBZ 39928 638 23 rid rid VBN 39928 638 24 of of IN 39928 638 25 all all PDT 39928 638 26 the the DT 39928 638 27 sources source NNS 39928 638 28 of of IN 39928 638 29 error error NN 39928 638 30 which which WDT 39928 638 31 render render VBP 39928 638 32 the the DT 39928 638 33 older old JJR 39928 638 34 methods method NNS 39928 638 35 so so RB 39928 638 36 uncertain uncertain JJ 39928 638 37 and and CC 39928 638 38 inaccurate inaccurate JJ 39928 638 39 . . . 39928 639 1 No no DT 39928 639 2 corrections correction NNS 39928 639 3 are be VBP 39928 639 4 required require VBN 39928 639 5 for for IN 39928 639 6 precession precession NN 39928 639 7 , , , 39928 639 8 nutation nutation NN 39928 639 9 , , , 39928 639 10 or or CC 39928 639 11 aberration aberration NN 39928 639 12 , , , 39928 639 13 since since IN 39928 639 14 these these DT 39928 639 15 affect affect VBP 39928 639 16 both both DT 39928 639 17 stars star NNS 39928 639 18 alike alike RB 39928 639 19 , , , 39928 639 20 as as IN 39928 639 21 is be VBZ 39928 639 22 the the DT 39928 639 23 case case NN 39928 639 24 also also RB 39928 639 25 with with IN 39928 639 26 refraction refraction NN 39928 639 27 ; ; : 39928 639 28 while while IN 39928 639 29 alterations alteration NNS 39928 639 30 of of IN 39928 639 31 level level NN 39928 639 32 of of IN 39928 639 33 the the DT 39928 639 34 instrument instrument NN 39928 639 35 have have VBP 39928 639 36 no no DT 39928 639 37 prejudicial prejudicial JJ 39928 639 38 effect effect NN 39928 639 39 , , , 39928 639 40 since since IN 39928 639 41 the the DT 39928 639 42 measures measure NNS 39928 639 43 of of IN 39928 639 44 angular angular JJ 39928 639 45 distance distance NN 39928 639 46 taken take VBN 39928 639 47 by by IN 39928 639 48 this this DT 39928 639 49 method method NN 39928 639 50 are be VBP 39928 639 51 quite quite RB 39928 639 52 independent independent JJ 39928 639 53 of of IN 39928 639 54 such such JJ 39928 639 55 movements movement NNS 39928 639 56 . . . 39928 640 1 A a DT 39928 640 2 test test NN 39928 640 3 of of IN 39928 640 4 the the DT 39928 640 5 accuracy accuracy NN 39928 640 6 of of IN 39928 640 7 the the DT 39928 640 8 determination determination NN 39928 640 9 of of IN 39928 640 10 parallax parallax NN 39928 640 11 by by IN 39928 640 12 this this DT 39928 640 13 instrument instrument NN 39928 640 14 is be VBZ 39928 640 15 the the DT 39928 640 16 very very RB 39928 640 17 close close JJ 39928 640 18 agreement agreement NN 39928 640 19 of of IN 39928 640 20 different different JJ 39928 640 21 observers observer NNS 39928 640 22 , , , 39928 640 23 and and CC 39928 640 24 also also RB 39928 640 25 their -PRON- PRP$ 39928 640 26 agreement agreement NN 39928 640 27 with with IN 39928 640 28 the the DT 39928 640 29 new new JJ 39928 640 30 and and CC 39928 640 31 perhaps perhaps RB 39928 640 32 even even RB 39928 640 33 superior superior JJ 39928 640 34 method method NN 39928 640 35 by by IN 39928 640 36 photography photography NN 39928 640 37 . . . 39928 641 1 This this DT 39928 641 2 method method NN 39928 641 3 was be VBD 39928 641 4 first first RB 39928 641 5 adopted adopt VBN 39928 641 6 by by IN 39928 641 7 Professor Professor NNP 39928 641 8 Pritchard Pritchard NNP 39928 641 9 of of IN 39928 641 10 the the DT 39928 641 11 Oxford Oxford NNP 39928 641 12 Observatory Observatory NNP 39928 641 13 , , , 39928 641 14 with with IN 39928 641 15 a a DT 39928 641 16 fine fine JJ 39928 641 17 reflector reflector NN 39928 641 18 of of IN 39928 641 19 thirteen thirteen CD 39928 641 20 inches inch NNS 39928 641 21 aperture aperture JJ 39928 641 22 . . . 39928 642 1 Its -PRON- PRP$ 39928 642 2 great great JJ 39928 642 3 advantage advantage NN 39928 642 4 is be VBZ 39928 642 5 , , , 39928 642 6 that that IN 39928 642 7 all all PDT 39928 642 8 the the DT 39928 642 9 small small JJ 39928 642 10 stars star NNS 39928 642 11 in in IN 39928 642 12 the the DT 39928 642 13 vicinity vicinity NN 39928 642 14 of of IN 39928 642 15 the the DT 39928 642 16 star star NN 39928 642 17 whose whose WP$ 39928 642 18 parallax parallax NN 39928 642 19 is be VBZ 39928 642 20 sought seek VBN 39928 642 21 are be VBP 39928 642 22 shown show VBN 39928 642 23 in in IN 39928 642 24 their -PRON- PRP$ 39928 642 25 exact exact JJ 39928 642 26 positions position NNS 39928 642 27 upon upon IN 39928 642 28 the the DT 39928 642 29 plate plate NN 39928 642 30 , , , 39928 642 31 and and CC 39928 642 32 the the DT 39928 642 33 distances distance NNS 39928 642 34 of of IN 39928 642 35 all all DT 39928 642 36 of of IN 39928 642 37 them -PRON- PRP 39928 642 38 from from IN 39928 642 39 it -PRON- PRP 39928 642 40 can can MD 39928 642 41 be be VB 39928 642 42 very very RB 39928 642 43 accurately accurately RB 39928 642 44 measured measure VBN 39928 642 45 , , , 39928 642 46 and and CC 39928 642 47 by by IN 39928 642 48 comparing compare VBG 39928 642 49 plates plate NNS 39928 642 50 taken take VBN 39928 642 51 at at IN 39928 642 52 six six CD 39928 642 53 months month NNS 39928 642 54 ' ' POS 39928 642 55 intervals interval NNS 39928 642 56 , , , 39928 642 57 each each DT 39928 642 58 of of IN 39928 642 59 these these DT 39928 642 60 stars star NNS 39928 642 61 gives give VBZ 39928 642 62 a a DT 39928 642 63 determination determination NN 39928 642 64 of of IN 39928 642 65 parallax parallax NN 39928 642 66 , , , 39928 642 67 so so IN 39928 642 68 that that IN 39928 642 69 the the DT 39928 642 70 mean mean NN 39928 642 71 of of IN 39928 642 72 the the DT 39928 642 73 whole whole NN 39928 642 74 will will MD 39928 642 75 lead lead VB 39928 642 76 to to IN 39928 642 77 a a DT 39928 642 78 very very RB 39928 642 79 accurate accurate JJ 39928 642 80 result result NN 39928 642 81 . . . 39928 643 1 Should Should MD 39928 643 2 , , , 39928 643 3 however however RB 39928 643 4 , , , 39928 643 5 the the DT 39928 643 6 result result NN 39928 643 7 from from IN 39928 643 8 any any DT 39928 643 9 one one CD 39928 643 10 of of IN 39928 643 11 these these DT 39928 643 12 stars star NNS 39928 643 13 differ differ VBP 39928 643 14 considerably considerably RB 39928 643 15 from from IN 39928 643 16 that that DT 39928 643 17 derived derive VBN 39928 643 18 from from IN 39928 643 19 the the DT 39928 643 20 rest rest NN 39928 643 21 , , , 39928 643 22 it -PRON- PRP 39928 643 23 will will MD 39928 643 24 be be VB 39928 643 25 due due JJ 39928 643 26 in in IN 39928 643 27 all all DT 39928 643 28 probability probability NN 39928 643 29 to to IN 39928 643 30 that that DT 39928 643 31 star star NN 39928 643 32 having have VBG 39928 643 33 a a DT 39928 643 34 proper proper JJ 39928 643 35 motion motion NN 39928 643 36 of of IN 39928 643 37 its -PRON- PRP$ 39928 643 38 own own JJ 39928 643 39 , , , 39928 643 40 and and CC 39928 643 41 it -PRON- PRP 39928 643 42 may may MD 39928 643 43 therefore therefore RB 39928 643 44 be be VB 39928 643 45 rejected reject VBN 39928 643 46 . . . 39928 644 1 To to TO 39928 644 2 illustrate illustrate VB 39928 644 3 the the DT 39928 644 4 amount amount NN 39928 644 5 of of IN 39928 644 6 labour labour NN 39928 644 7 bestowed bestow VBN 39928 644 8 by by IN 39928 644 9 astronomers astronomer NNS 39928 644 10 on on IN 39928 644 11 this this DT 39928 644 12 difficult difficult JJ 39928 644 13 problem problem NN 39928 644 14 , , , 39928 644 15 it -PRON- PRP 39928 644 16 may may MD 39928 644 17 be be VB 39928 644 18 mentioned mention VBN 39928 644 19 that that IN 39928 644 20 for for IN 39928 644 21 the the DT 39928 644 22 photographic photographic JJ 39928 644 23 measurement measurement NN 39928 644 24 of of IN 39928 644 25 the the DT 39928 644 26 star star NN 39928 644 27 61 61 CD 39928 644 28 Cygni Cygni NNP 39928 644 29 , , , 39928 644 30 330 330 CD 39928 644 31 separate separate JJ 39928 644 32 plates plate NNS 39928 644 33 were be VBD 39928 644 34 taken take VBN 39928 644 35 in in IN 39928 644 36 1886 1886 CD 39928 644 37 - - SYM 39928 644 38 7 7 CD 39928 644 39 , , , 39928 644 40 and and CC 39928 644 41 on on IN 39928 644 42 these these DT 39928 644 43 30,000 30,000 CD 39928 644 44 measurements measurement NNS 39928 644 45 of of IN 39928 644 46 distances distance NNS 39928 644 47 of of IN 39928 644 48 the the DT 39928 644 49 pairs pair NNS 39928 644 50 of of IN 39928 644 51 star star NN 39928 644 52 - - HYPH 39928 644 53 images image NNS 39928 644 54 were be VBD 39928 644 55 made make VBN 39928 644 56 . . . 39928 645 1 The the DT 39928 645 2 result result NN 39928 645 3 agreed agree VBD 39928 645 4 closely closely RB 39928 645 5 with with IN 39928 645 6 the the DT 39928 645 7 best good JJS 39928 645 8 previous previous JJ 39928 645 9 determination determination NN 39928 645 10 by by IN 39928 645 11 Sir Sir NNP 39928 645 12 Robert Robert NNP 39928 645 13 Ball Ball NNP 39928 645 14 , , , 39928 645 15 using use VBG 39928 645 16 the the DT 39928 645 17 micrometer micrometer NN 39928 645 18 , , , 39928 645 19 and and CC 39928 645 20 the the DT 39928 645 21 method method NN 39928 645 22 was be VBD 39928 645 23 at at IN 39928 645 24 once once RB 39928 645 25 admitted admit VBN 39928 645 26 by by IN 39928 645 27 astronomers astronomer NNS 39928 645 28 as as IN 39928 645 29 being be VBG 39928 645 30 of of IN 39928 645 31 the the DT 39928 645 32 greatest great JJS 39928 645 33 value value NN 39928 645 34 . . . 39928 646 1 Although although IN 39928 646 2 , , , 39928 646 3 as as IN 39928 646 4 a a DT 39928 646 5 rule rule NN 39928 646 6 , , , 39928 646 7 stars star NNS 39928 646 8 having have VBG 39928 646 9 large large JJ 39928 646 10 proper proper JJ 39928 646 11 motions motion NNS 39928 646 12 are be VBP 39928 646 13 found find VBN 39928 646 14 to to TO 39928 646 15 be be VB 39928 646 16 comparatively comparatively RB 39928 646 17 near near IN 39928 646 18 us -PRON- PRP 39928 646 19 , , , 39928 646 20 there there EX 39928 646 21 is be VBZ 39928 646 22 no no DT 39928 646 23 regular regular JJ 39928 646 24 proportion proportion NN 39928 646 25 between between IN 39928 646 26 these these DT 39928 646 27 quantities quantity NNS 39928 646 28 , , , 39928 646 29 indicating indicate VBG 39928 646 30 that that IN 39928 646 31 the the DT 39928 646 32 rapidity rapidity NN 39928 646 33 of of IN 39928 646 34 the the DT 39928 646 35 motion motion NN 39928 646 36 of of IN 39928 646 37 the the DT 39928 646 38 stars star NNS 39928 646 39 varies vary VBZ 39928 646 40 greatly greatly RB 39928 646 41 . . . 39928 647 1 Among among IN 39928 647 2 fifty fifty CD 39928 647 3 stars star NNS 39928 647 4 whose whose WP$ 39928 647 5 distances distance NNS 39928 647 6 have have VBP 39928 647 7 been be VBN 39928 647 8 fairly fairly RB 39928 647 9 well well RB 39928 647 10 determined determined JJ 39928 647 11 , , , 39928 647 12 the the DT 39928 647 13 rate rate NN 39928 647 14 of of IN 39928 647 15 actual actual JJ 39928 647 16 motion motion NN 39928 647 17 varies vary VBZ 39928 647 18 from from IN 39928 647 19 one one CD 39928 647 20 or or CC 39928 647 21 two two CD 39928 647 22 up up IN 39928 647 23 to to TO 39928 647 24 more more JJR 39928 647 25 than than IN 39928 647 26 a a DT 39928 647 27 hundred hundred CD 39928 647 28 miles mile NNS 39928 647 29 per per IN 39928 647 30 second second NN 39928 647 31 . . . 39928 648 1 Among among IN 39928 648 2 six six CD 39928 648 3 stars star NNS 39928 648 4 with with IN 39928 648 5 less less JJR 39928 648 6 than than IN 39928 648 7 a a DT 39928 648 8 tenth tenth NN 39928 648 9 of of IN 39928 648 10 a a DT 39928 648 11 second second JJ 39928 648 12 of of IN 39928 648 13 annual annual JJ 39928 648 14 proper proper JJ 39928 648 15 motion motion NN 39928 648 16 there there EX 39928 648 17 is be VBZ 39928 648 18 one one CD 39928 648 19 with with IN 39928 648 20 a a DT 39928 648 21 parallax parallax NN 39928 648 22 of of IN 39928 648 23 nearly nearly RB 39928 648 24 half half PDT 39928 648 25 a a DT 39928 648 26 second second JJ 39928 648 27 , , , 39928 648 28 and and CC 39928 648 29 another another DT 39928 648 30 of of IN 39928 648 31 one one CD 39928 648 32 - - HYPH 39928 648 33 ninth ninth NN 39928 648 34 of of IN 39928 648 35 a a DT 39928 648 36 second second JJ 39928 648 37 , , , 39928 648 38 so so IN 39928 648 39 that that IN 39928 648 40 they -PRON- PRP 39928 648 41 are be VBP 39928 648 42 nearer nearer JJ 39928 648 43 to to IN 39928 648 44 us -PRON- PRP 39928 648 45 than than IN 39928 648 46 many many JJ 39928 648 47 stars star NNS 39928 648 48 which which WDT 39928 648 49 move move VBP 39928 648 50 several several JJ 39928 648 51 seconds second NNS 39928 648 52 a a DT 39928 648 53 year year NN 39928 648 54 . . . 39928 649 1 This this DT 39928 649 2 may may MD 39928 649 3 be be VB 39928 649 4 due due IN 39928 649 5 to to IN 39928 649 6 actual actual JJ 39928 649 7 slowness slowness NN 39928 649 8 of of IN 39928 649 9 motion motion NN 39928 649 10 , , , 39928 649 11 but but CC 39928 649 12 is be VBZ 39928 649 13 almost almost RB 39928 649 14 certainly certainly RB 39928 649 15 caused cause VBN 39928 649 16 in in IN 39928 649 17 part part NN 39928 649 18 by by IN 39928 649 19 their -PRON- PRP$ 39928 649 20 motion motion NN 39928 649 21 being be VBG 39928 649 22 either either CC 39928 649 23 towards towards IN 39928 649 24 us -PRON- PRP 39928 649 25 or or CC 39928 649 26 away away RB 39928 649 27 from from IN 39928 649 28 us -PRON- PRP 39928 649 29 , , , 39928 649 30 and and CC 39928 649 31 therefore therefore RB 39928 649 32 only only RB 39928 649 33 measurable measurable JJ 39928 649 34 by by IN 39928 649 35 the the DT 39928 649 36 spectroscope spectroscope NN 39928 649 37 ; ; : 39928 649 38 and and CC 39928 649 39 this this DT 39928 649 40 had have VBD 39928 649 41 not not RB 39928 649 42 been be VBN 39928 649 43 done do VBN 39928 649 44 when when WRB 39928 649 45 the the DT 39928 649 46 lists list NNS 39928 649 47 of of IN 39928 649 48 parallaxes parallax NNS 39928 649 49 and and CC 39928 649 50 proper proper JJ 39928 649 51 motions motion NNS 39928 649 52 from from IN 39928 649 53 which which WDT 39928 649 54 these these DT 39928 649 55 facts fact NNS 39928 649 56 are be VBP 39928 649 57 taken take VBN 39928 649 58 were be VBD 39928 649 59 published publish VBN 39928 649 60 . . . 39928 650 1 It -PRON- PRP 39928 650 2 is be VBZ 39928 650 3 evident evident JJ 39928 650 4 that that IN 39928 650 5 the the DT 39928 650 6 actual actual JJ 39928 650 7 direction direction NN 39928 650 8 and and CC 39928 650 9 rate rate NN 39928 650 10 of of IN 39928 650 11 motion motion NN 39928 650 12 of of IN 39928 650 13 a a DT 39928 650 14 star star NN 39928 650 15 can can MD 39928 650 16 not not RB 39928 650 17 be be VB 39928 650 18 known know VBN 39928 650 19 till till IN 39928 650 20 this this DT 39928 650 21 radial radial JJ 39928 650 22 movement movement NN 39928 650 23 , , , 39928 650 24 as as IN 39928 650 25 it -PRON- PRP 39928 650 26 is be VBZ 39928 650 27 termed term VBN 39928 650 28 -- -- : 39928 650 29 that that RB 39928 650 30 is is RB 39928 650 31 , , , 39928 650 32 towards towards IN 39928 650 33 or or CC 39928 650 34 away away RB 39928 650 35 from from IN 39928 650 36 us -PRON- PRP 39928 650 37 -- -- : 39928 650 38 has have VBZ 39928 650 39 been be VBN 39928 650 40 measured measure VBN 39928 650 41 ; ; : 39928 650 42 but but CC 39928 650 43 as as IN 39928 650 44 this this DT 39928 650 45 element element NN 39928 650 46 always always RB 39928 650 47 tends tend VBZ 39928 650 48 to to TO 39928 650 49 increase increase VB 39928 650 50 the the DT 39928 650 51 visually visually RB 39928 650 52 observed observe VBN 39928 650 53 rate rate NN 39928 650 54 of of IN 39928 650 55 motion motion NN 39928 650 56 , , , 39928 650 57 we -PRON- PRP 39928 650 58 can can MD 39928 650 59 not not RB 39928 650 60 , , , 39928 650 61 through through IN 39928 650 62 its -PRON- PRP$ 39928 650 63 absence absence NN 39928 650 64 , , , 39928 650 65 exaggerate exaggerate VB 39928 650 66 the the DT 39928 650 67 actual actual JJ 39928 650 68 motions motion NNS 39928 650 69 of of IN 39928 650 70 the the DT 39928 650 71 stars star NNS 39928 650 72 . . . 39928 651 1 THE the DT 39928 651 2 SUN SUN NNP 39928 651 3 'S 's POS 39928 651 4 MOVEMENT MOVEMENT NNP 39928 651 5 THROUGH through NN 39928 651 6 SPACE SPACE NNP 39928 651 7 But but CC 39928 651 8 there there EX 39928 651 9 is be VBZ 39928 651 10 yet yet RB 39928 651 11 another another DT 39928 651 12 important important JJ 39928 651 13 factor factor NN 39928 651 14 which which WDT 39928 651 15 affects affect VBZ 39928 651 16 the the DT 39928 651 17 apparent apparent JJ 39928 651 18 motions motion NNS 39928 651 19 of of IN 39928 651 20 all all PDT 39928 651 21 the the DT 39928 651 22 stars star NNS 39928 651 23 -- -- : 39928 651 24 the the DT 39928 651 25 movement movement NN 39928 651 26 of of IN 39928 651 27 our -PRON- PRP$ 39928 651 28 sun sun NN 39928 651 29 , , , 39928 651 30 which which WDT 39928 651 31 , , , 39928 651 32 being be VBG 39928 651 33 a a DT 39928 651 34 star star NN 39928 651 35 itself -PRON- PRP 39928 651 36 , , , 39928 651 37 has have VBZ 39928 651 38 a a DT 39928 651 39 proper proper JJ 39928 651 40 motion motion NN 39928 651 41 of of IN 39928 651 42 its -PRON- PRP$ 39928 651 43 own own JJ 39928 651 44 . . . 39928 652 1 This this DT 39928 652 2 motion motion NN 39928 652 3 was be VBD 39928 652 4 suspected suspect VBN 39928 652 5 and and CC 39928 652 6 sought seek VBN 39928 652 7 for for IN 39928 652 8 by by IN 39928 652 9 Sir Sir NNP 39928 652 10 William William NNP 39928 652 11 Herschel Herschel NNP 39928 652 12 a a DT 39928 652 13 century century NN 39928 652 14 ago ago RB 39928 652 15 , , , 39928 652 16 and and CC 39928 652 17 he -PRON- PRP 39928 652 18 actually actually RB 39928 652 19 determined determine VBD 39928 652 20 the the DT 39928 652 21 direction direction NN 39928 652 22 of of IN 39928 652 23 its -PRON- PRP$ 39928 652 24 motion motion NN 39928 652 25 towards towards IN 39928 652 26 a a DT 39928 652 27 point point NN 39928 652 28 in in IN 39928 652 29 the the DT 39928 652 30 constellation constellation NN 39928 652 31 Hercules Hercules NNP 39928 652 32 , , , 39928 652 33 not not RB 39928 652 34 very very RB 39928 652 35 far far RB 39928 652 36 removed remove VBN 39928 652 37 from from IN 39928 652 38 that that DT 39928 652 39 fixed fix VBN 39928 652 40 upon upon IN 39928 652 41 as as IN 39928 652 42 the the DT 39928 652 43 average average NN 39928 652 44 of of IN 39928 652 45 the the DT 39928 652 46 best good JJS 39928 652 47 observations observation NNS 39928 652 48 since since IN 39928 652 49 made make VBN 39928 652 50 . . . 39928 653 1 The the DT 39928 653 2 method method NN 39928 653 3 of of IN 39928 653 4 determining determine VBG 39928 653 5 this this DT 39928 653 6 motion motion NN 39928 653 7 is be VBZ 39928 653 8 very very RB 39928 653 9 simple simple JJ 39928 653 10 , , , 39928 653 11 but but CC 39928 653 12 at at IN 39928 653 13 the the DT 39928 653 14 same same JJ 39928 653 15 time time NN 39928 653 16 very very RB 39928 653 17 difficult difficult JJ 39928 653 18 . . . 39928 654 1 When when WRB 39928 654 2 we -PRON- PRP 39928 654 3 are be VBP 39928 654 4 travelling travel VBG 39928 654 5 in in IN 39928 654 6 a a DT 39928 654 7 railway railway NN 39928 654 8 carriage carriage NN 39928 654 9 near near IN 39928 654 10 objects object NNS 39928 654 11 pass pass VBP 39928 654 12 rapidly rapidly RB 39928 654 13 out out IN 39928 654 14 of of IN 39928 654 15 sight sight NN 39928 654 16 behind behind IN 39928 654 17 us -PRON- PRP 39928 654 18 , , , 39928 654 19 while while IN 39928 654 20 those those DT 39928 654 21 farther farther RB 39928 654 22 from from IN 39928 654 23 us -PRON- PRP 39928 654 24 remain remain VBP 39928 654 25 longer long RBR 39928 654 26 in in IN 39928 654 27 view view NN 39928 654 28 , , , 39928 654 29 and and CC 39928 654 30 very very RB 39928 654 31 distant distant JJ 39928 654 32 objects object NNS 39928 654 33 appear appear VBP 39928 654 34 almost almost RB 39928 654 35 stationary stationary JJ 39928 654 36 for for IN 39928 654 37 a a DT 39928 654 38 considerable considerable JJ 39928 654 39 time time NN 39928 654 40 . . . 39928 655 1 For for IN 39928 655 2 the the DT 39928 655 3 same same JJ 39928 655 4 reason reason NN 39928 655 5 , , , 39928 655 6 if if IN 39928 655 7 our -PRON- PRP$ 39928 655 8 sun sun NN 39928 655 9 is be VBZ 39928 655 10 moving move VBG 39928 655 11 in in IN 39928 655 12 any any DT 39928 655 13 direction direction NN 39928 655 14 through through IN 39928 655 15 space space NN 39928 655 16 , , , 39928 655 17 the the DT 39928 655 18 nearer nearer NN 39928 655 19 stars star NNS 39928 655 20 will will MD 39928 655 21 appear appear VB 39928 655 22 to to TO 39928 655 23 travel travel VB 39928 655 24 in in IN 39928 655 25 an an DT 39928 655 26 opposite opposite JJ 39928 655 27 direction direction NN 39928 655 28 to to IN 39928 655 29 our -PRON- PRP$ 39928 655 30 movement movement NN 39928 655 31 , , , 39928 655 32 while while IN 39928 655 33 the the DT 39928 655 34 more more RBR 39928 655 35 distant distant JJ 39928 655 36 will will MD 39928 655 37 remain remain VB 39928 655 38 quite quite RB 39928 655 39 stationary stationary JJ 39928 655 40 . . . 39928 656 1 This this DT 39928 656 2 movement movement NN 39928 656 3 of of IN 39928 656 4 the the DT 39928 656 5 nearest near JJS 39928 656 6 stars star NNS 39928 656 7 is be VBZ 39928 656 8 detected detect VBN 39928 656 9 by by IN 39928 656 10 an an DT 39928 656 11 examination examination NN 39928 656 12 and and CC 39928 656 13 comparison comparison NN 39928 656 14 of of IN 39928 656 15 their -PRON- PRP$ 39928 656 16 proper proper JJ 39928 656 17 motions motion NNS 39928 656 18 , , , 39928 656 19 by by IN 39928 656 20 which which WDT 39928 656 21 it -PRON- PRP 39928 656 22 is be VBZ 39928 656 23 found find VBN 39928 656 24 that that IN 39928 656 25 in in IN 39928 656 26 one one CD 39928 656 27 part part NN 39928 656 28 of of IN 39928 656 29 the the DT 39928 656 30 heavens heavens NNPS 39928 656 31 there there EX 39928 656 32 is be VBZ 39928 656 33 a a DT 39928 656 34 preponderance preponderance NN 39928 656 35 of of IN 39928 656 36 the the DT 39928 656 37 proper proper JJ 39928 656 38 motions motion NNS 39928 656 39 in in IN 39928 656 40 one one CD 39928 656 41 direction direction NN 39928 656 42 and and CC 39928 656 43 a a DT 39928 656 44 deficiency deficiency NN 39928 656 45 in in IN 39928 656 46 the the DT 39928 656 47 opposite opposite JJ 39928 656 48 direction direction NN 39928 656 49 , , , 39928 656 50 while while IN 39928 656 51 in in IN 39928 656 52 the the DT 39928 656 53 directions direction NNS 39928 656 54 at at IN 39928 656 55 right right JJ 39928 656 56 angles angle NNS 39928 656 57 to to IN 39928 656 58 these these DT 39928 656 59 the the DT 39928 656 60 proper proper JJ 39928 656 61 motions motion NNS 39928 656 62 are be VBP 39928 656 63 not not RB 39928 656 64 on on IN 39928 656 65 the the DT 39928 656 66 average average NN 39928 656 67 greater great JJR 39928 656 68 in in IN 39928 656 69 one one CD 39928 656 70 direction direction NN 39928 656 71 than than IN 39928 656 72 in in IN 39928 656 73 the the DT 39928 656 74 opposite opposite NN 39928 656 75 . . . 39928 657 1 But but CC 39928 657 2 the the DT 39928 657 3 proper proper JJ 39928 657 4 motions motion NNS 39928 657 5 of of IN 39928 657 6 the the DT 39928 657 7 stars star NNS 39928 657 8 being be VBG 39928 657 9 themselves -PRON- PRP 39928 657 10 so so RB 39928 657 11 minute minute JJ 39928 657 12 , , , 39928 657 13 and and CC 39928 657 14 also also RB 39928 657 15 so so RB 39928 657 16 irregular irregular JJ 39928 657 17 , , , 39928 657 18 it -PRON- PRP 39928 657 19 is be VBZ 39928 657 20 only only RB 39928 657 21 by by IN 39928 657 22 a a DT 39928 657 23 most most RBS 39928 657 24 elaborate elaborate JJ 39928 657 25 mathematical mathematical JJ 39928 657 26 investigation investigation NN 39928 657 27 of of IN 39928 657 28 the the DT 39928 657 29 motions motion NNS 39928 657 30 of of IN 39928 657 31 hundreds hundred NNS 39928 657 32 or or CC 39928 657 33 even even RB 39928 657 34 of of IN 39928 657 35 thousands thousand NNS 39928 657 36 of of IN 39928 657 37 stars star NNS 39928 657 38 , , , 39928 657 39 that that IN 39928 657 40 the the DT 39928 657 41 direction direction NN 39928 657 42 of of IN 39928 657 43 the the DT 39928 657 44 solar solar JJ 39928 657 45 motion motion NN 39928 657 46 can can MD 39928 657 47 be be VB 39928 657 48 determined determine VBN 39928 657 49 . . . 39928 658 1 Till till IN 39928 658 2 quite quite RB 39928 658 3 recently recently RB 39928 658 4 astronomers astronomer NNS 39928 658 5 were be VBD 39928 658 6 agreed agree VBN 39928 658 7 that that IN 39928 658 8 the the DT 39928 658 9 motion motion NN 39928 658 10 was be VBD 39928 658 11 towards towards IN 39928 658 12 a a DT 39928 658 13 point point NN 39928 658 14 in in IN 39928 658 15 Hercules Hercules NNP 39928 658 16 near near IN 39928 658 17 the the DT 39928 658 18 outstretched outstretched JJ 39928 658 19 arm arm NN 39928 658 20 in in IN 39928 658 21 the the DT 39928 658 22 figure figure NN 39928 658 23 of of IN 39928 658 24 that that DT 39928 658 25 constellation constellation NN 39928 658 26 . . . 39928 659 1 But but CC 39928 659 2 the the DT 39928 659 3 latest late JJS 39928 659 4 inquiries inquiry NNS 39928 659 5 into into IN 39928 659 6 this this DT 39928 659 7 problem problem NN 39928 659 8 , , , 39928 659 9 involving involve VBG 39928 659 10 the the DT 39928 659 11 comparison comparison NN 39928 659 12 of of IN 39928 659 13 the the DT 39928 659 14 motions motion NNS 39928 659 15 of of IN 39928 659 16 several several JJ 39928 659 17 thousand thousand CD 39928 659 18 stars star NNS 39928 659 19 in in IN 39928 659 20 all all DT 39928 659 21 parts part NNS 39928 659 22 of of IN 39928 659 23 the the DT 39928 659 24 heavens heavens NNPS 39928 659 25 , , , 39928 659 26 have have VBP 39928 659 27 led lead VBN 39928 659 28 to to IN 39928 659 29 the the DT 39928 659 30 conclusion conclusion NN 39928 659 31 that that IN 39928 659 32 the the DT 39928 659 33 most most RBS 39928 659 34 probable probable JJ 39928 659 35 direction direction NN 39928 659 36 of of IN 39928 659 37 the the DT 39928 659 38 ' ' `` 39928 659 39 solar solar NNP 39928 659 40 apex apex NN 39928 659 41 ' ' '' 39928 659 42 ( ( -LRB- 39928 659 43 as as IN 39928 659 44 the the DT 39928 659 45 point point NN 39928 659 46 towards towards IN 39928 659 47 which which WDT 39928 659 48 the the DT 39928 659 49 sun sun NN 39928 659 50 is be VBZ 39928 659 51 moving move VBG 39928 659 52 is be VBZ 39928 659 53 termed term VBN 39928 659 54 ) ) -RRB- 39928 659 55 , , , 39928 659 56 is be VBZ 39928 659 57 in in IN 39928 659 58 the the DT 39928 659 59 adjacent adjacent JJ 39928 659 60 constellation constellation NN 39928 659 61 Lyra Lyra NNP 39928 659 62 , , , 39928 659 63 and and CC 39928 659 64 not not RB 39928 659 65 far far RB 39928 659 66 from from IN 39928 659 67 the the DT 39928 659 68 brilliant brilliant JJ 39928 659 69 star star NN 39928 659 70 Vega Vega NNP 39928 659 71 . . . 39928 660 1 This this DT 39928 660 2 is be VBZ 39928 660 3 the the DT 39928 660 4 position position NN 39928 660 5 which which WDT 39928 660 6 Professor Professor NNP 39928 660 7 Newcomb Newcomb NNP 39928 660 8 of of IN 39928 660 9 Washington Washington NNP 39928 660 10 thinks think VBZ 39928 660 11 most most RBS 39928 660 12 probable probable JJ 39928 660 13 , , , 39928 660 14 though though IN 39928 660 15 there there EX 39928 660 16 is be VBZ 39928 660 17 still still RB 39928 660 18 room room NN 39928 660 19 for for IN 39928 660 20 further further JJ 39928 660 21 investigation investigation NN 39928 660 22 . . . 39928 661 1 To to TO 39928 661 2 determine determine VB 39928 661 3 the the DT 39928 661 4 rate rate NN 39928 661 5 of of IN 39928 661 6 the the DT 39928 661 7 motion motion NN 39928 661 8 is be VBZ 39928 661 9 very very RB 39928 661 10 much much RB 39928 661 11 more more RBR 39928 661 12 difficult difficult JJ 39928 661 13 than than IN 39928 661 14 to to TO 39928 661 15 fix fix VB 39928 661 16 its -PRON- PRP$ 39928 661 17 direction direction NN 39928 661 18 , , , 39928 661 19 because because IN 39928 661 20 the the DT 39928 661 21 distances distance NNS 39928 661 22 of of IN 39928 661 23 so so RB 39928 661 24 few few JJ 39928 661 25 stars star NNS 39928 661 26 have have VBP 39928 661 27 been be VBN 39928 661 28 determined determine VBN 39928 661 29 , , , 39928 661 30 and and CC 39928 661 31 very very RB 39928 661 32 few few JJ 39928 661 33 indeed indeed RB 39928 661 34 of of IN 39928 661 35 these these DT 39928 661 36 lie lie NN 39928 661 37 in in IN 39928 661 38 the the DT 39928 661 39 directions direction NNS 39928 661 40 best well RBS 39928 661 41 adapted adapt VBD 39928 661 42 to to TO 39928 661 43 give give VB 39928 661 44 accurate accurate JJ 39928 661 45 results result NNS 39928 661 46 . . . 39928 662 1 The the DT 39928 662 2 best good JJS 39928 662 3 measurements measurement NNS 39928 662 4 down down RB 39928 662 5 to to IN 39928 662 6 1890 1890 CD 39928 662 7 led lead VBD 39928 662 8 to to IN 39928 662 9 a a DT 39928 662 10 motion motion NN 39928 662 11 of of IN 39928 662 12 about about RB 39928 662 13 15 15 CD 39928 662 14 miles mile NNS 39928 662 15 a a DT 39928 662 16 second second NN 39928 662 17 . . . 39928 663 1 But but CC 39928 663 2 more more RBR 39928 663 3 recently recently RB 39928 663 4 the the DT 39928 663 5 American american JJ 39928 663 6 astronomer astronomer NN 39928 663 7 , , , 39928 663 8 Campbell Campbell NNP 39928 663 9 , , , 39928 663 10 has have VBZ 39928 663 11 determined determine VBN 39928 663 12 by by IN 39928 663 13 the the DT 39928 663 14 spectroscope spectroscope NN 39928 663 15 the the DT 39928 663 16 motion motion NN 39928 663 17 in in IN 39928 663 18 the the DT 39928 663 19 line line NN 39928 663 20 of of IN 39928 663 21 sight sight NN 39928 663 22 of of IN 39928 663 23 a a DT 39928 663 24 considerable considerable JJ 39928 663 25 number number NN 39928 663 26 of of IN 39928 663 27 stars star NNS 39928 663 28 towards towards IN 39928 663 29 and and CC 39928 663 30 away away RB 39928 663 31 from from IN 39928 663 32 the the DT 39928 663 33 solar solar JJ 39928 663 34 apex apex NN 39928 663 35 , , , 39928 663 36 and and CC 39928 663 37 by by IN 39928 663 38 comparing compare VBG 39928 663 39 the the DT 39928 663 40 average average NN 39928 663 41 of of IN 39928 663 42 these these DT 39928 663 43 motions motion NNS 39928 663 44 , , , 39928 663 45 he -PRON- PRP 39928 663 46 derives derive VBZ 39928 663 47 a a DT 39928 663 48 motion motion NN 39928 663 49 for for IN 39928 663 50 the the DT 39928 663 51 sun sun NN 39928 663 52 of of IN 39928 663 53 about about RB 39928 663 54 12 12 CD 39928 663 55 - - SYM 39928 663 56 1/2 1/2 CD 39928 663 57 miles mile NNS 39928 663 58 a a DT 39928 663 59 second second NN 39928 663 60 , , , 39928 663 61 and and CC 39928 663 62 this this DT 39928 663 63 is be VBZ 39928 663 64 probably probably RB 39928 663 65 as as RB 39928 663 66 near near JJ 39928 663 67 as as IN 39928 663 68 we -PRON- PRP 39928 663 69 can can MD 39928 663 70 yet yet RB 39928 663 71 reach reach VB 39928 663 72 towards towards IN 39928 663 73 the the DT 39928 663 74 true true JJ 39928 663 75 amount amount NN 39928 663 76 . . . 39928 664 1 SOME SOME NNP 39928 664 2 NUMERICAL numerical NN 39928 664 3 RESULTS results NN 39928 664 4 OF of IN 39928 664 5 THE the DT 39928 664 6 ABOVE above JJ 39928 664 7 MEASUREMENTS measurement NNS 39928 664 8 The the DT 39928 664 9 measurements measurement NNS 39928 664 10 of of IN 39928 664 11 distances distance NNS 39928 664 12 and and CC 39928 664 13 proper proper JJ 39928 664 14 motions motion NNS 39928 664 15 of of IN 39928 664 16 a a DT 39928 664 17 considerable considerable JJ 39928 664 18 number number NN 39928 664 19 of of IN 39928 664 20 the the DT 39928 664 21 stars star NNS 39928 664 22 , , , 39928 664 23 of of IN 39928 664 24 the the DT 39928 664 25 motion motion NN 39928 664 26 of of IN 39928 664 27 our -PRON- PRP$ 39928 664 28 sun sun NN 39928 664 29 in in IN 39928 664 30 space space NN 39928 664 31 ( ( -LRB- 39928 664 32 its -PRON- PRP$ 39928 664 33 proper proper JJ 39928 664 34 motion motion NN 39928 664 35 ) ) -RRB- 39928 664 36 , , , 39928 664 37 together together RB 39928 664 38 with with IN 39928 664 39 accurate accurate JJ 39928 664 40 determinations determination NNS 39928 664 41 of of IN 39928 664 42 the the DT 39928 664 43 comparative comparative JJ 39928 664 44 brilliancy brilliancy NN 39928 664 45 of of IN 39928 664 46 the the DT 39928 664 47 brightest bright JJS 39928 664 48 stars star NNS 39928 664 49 as as IN 39928 664 50 compared compare VBN 39928 664 51 with with IN 39928 664 52 our -PRON- PRP$ 39928 664 53 sun sun NN 39928 664 54 and and CC 39928 664 55 with with IN 39928 664 56 each each DT 39928 664 57 other other JJ 39928 664 58 , , , 39928 664 59 have have VBP 39928 664 60 led lead VBN 39928 664 61 to to IN 39928 664 62 some some DT 39928 664 63 very very RB 39928 664 64 remarkable remarkable JJ 39928 664 65 numerical numerical JJ 39928 664 66 results result NNS 39928 664 67 which which WDT 39928 664 68 serve serve VBP 39928 664 69 as as IN 39928 664 70 indications indication NNS 39928 664 71 of of IN 39928 664 72 the the DT 39928 664 73 scale scale NN 39928 664 74 of of IN 39928 664 75 magnitude magnitude NN 39928 664 76 of of IN 39928 664 77 the the DT 39928 664 78 stellar stellar JJ 39928 664 79 universe universe NN 39928 664 80 . . . 39928 665 1 The the DT 39928 665 2 parallaxes parallax NNS 39928 665 3 of of IN 39928 665 4 about about RB 39928 665 5 fifty fifty CD 39928 665 6 stars star NNS 39928 665 7 have have VBP 39928 665 8 now now RB 39928 665 9 been be VBN 39928 665 10 repeatedly repeatedly RB 39928 665 11 measured measure VBN 39928 665 12 with with IN 39928 665 13 such such JJ 39928 665 14 consistent consistent JJ 39928 665 15 results result NNS 39928 665 16 that that WDT 39928 665 17 Professor Professor NNP 39928 665 18 Newcomb Newcomb NNP 39928 665 19 considers consider VBZ 39928 665 20 them -PRON- PRP 39928 665 21 to to TO 39928 665 22 be be VB 39928 665 23 fairly fairly RB 39928 665 24 trustworthy trustworthy JJ 39928 665 25 , , , 39928 665 26 and and CC 39928 665 27 these these DT 39928 665 28 vary vary VBP 39928 665 29 from from IN 39928 665 30 one one CD 39928 665 31 - - HYPH 39928 665 32 hundredth hundredth NN 39928 665 33 to to IN 39928 665 34 three three CD 39928 665 35 - - HYPH 39928 665 36 quarters quarter NNS 39928 665 37 of of IN 39928 665 38 a a DT 39928 665 39 second second NN 39928 665 40 . . . 39928 666 1 Three three CD 39928 666 2 more more JJR 39928 666 3 , , , 39928 666 4 all all DT 39928 666 5 stars star NNS 39928 666 6 of of IN 39928 666 7 the the DT 39928 666 8 first first JJ 39928 666 9 magnitude magnitude NN 39928 666 10 -- -- : 39928 666 11 Rigel Rigel NNP 39928 666 12 , , , 39928 666 13 Canopus Canopus NNP 39928 666 14 , , , 39928 666 15 and and CC 39928 666 16 Alpha Alpha NNP 39928 666 17 Cygni Cygni NNP 39928 666 18 -- -- : 39928 666 19 have have VBP 39928 666 20 no no DT 39928 666 21 measurable measurable JJ 39928 666 22 parallax parallax NN 39928 666 23 , , , 39928 666 24 notwithstanding notwithstanding IN 39928 666 25 the the DT 39928 666 26 long long RB 39928 666 27 - - HYPH 39928 666 28 continued continue VBN 39928 666 29 efforts effort NNS 39928 666 30 of of IN 39928 666 31 many many JJ 39928 666 32 astronomers astronomer NNS 39928 666 33 , , , 39928 666 34 affording afford VBG 39928 666 35 a a DT 39928 666 36 striking striking JJ 39928 666 37 example example NN 39928 666 38 of of IN 39928 666 39 the the DT 39928 666 40 fact fact NN 39928 666 41 that that IN 39928 666 42 brilliancy brilliancy NN 39928 666 43 alone alone RB 39928 666 44 is be VBZ 39928 666 45 no no DT 39928 666 46 test test NN 39928 666 47 of of IN 39928 666 48 proximity proximity NN 39928 666 49 . . . 39928 667 1 Six six CD 39928 667 2 more more JJR 39928 667 3 stars star NNS 39928 667 4 have have VBP 39928 667 5 a a DT 39928 667 6 parallax parallax NN 39928 667 7 of of IN 39928 667 8 only only RB 39928 667 9 one one CD 39928 667 10 - - HYPH 39928 667 11 fiftieth fiftieth NN 39928 667 12 of of IN 39928 667 13 a a DT 39928 667 14 second second JJ 39928 667 15 , , , 39928 667 16 and and CC 39928 667 17 five five CD 39928 667 18 of of IN 39928 667 19 these these DT 39928 667 20 are be VBP 39928 667 21 either either DT 39928 667 22 of of IN 39928 667 23 the the DT 39928 667 24 first first JJ 39928 667 25 or or CC 39928 667 26 second second JJ 39928 667 27 magnitudes magnitude NNS 39928 667 28 . . . 39928 668 1 Of of IN 39928 668 2 these these DT 39928 668 3 nine nine CD 39928 668 4 stars star NNS 39928 668 5 having have VBG 39928 668 6 very very RB 39928 668 7 small small JJ 39928 668 8 parallax parallax NN 39928 668 9 or or CC 39928 668 10 none none NN 39928 668 11 , , , 39928 668 12 six six CD 39928 668 13 are be VBP 39928 668 14 situated situate VBN 39928 668 15 in in IN 39928 668 16 or or CC 39928 668 17 near near RB 39928 668 18 to to IN 39928 668 19 the the DT 39928 668 20 Milky Milky NNP 39928 668 21 Way Way NNP 39928 668 22 , , , 39928 668 23 another another DT 39928 668 24 indication indication NN 39928 668 25 of of IN 39928 668 26 exceeding exceed VBG 39928 668 27 remoteness remoteness NN 39928 668 28 , , , 39928 668 29 which which WDT 39928 668 30 is be VBZ 39928 668 31 further further RB 39928 668 32 shown show VBN 39928 668 33 by by IN 39928 668 34 the the DT 39928 668 35 fact fact NN 39928 668 36 that that IN 39928 668 37 they -PRON- PRP 39928 668 38 all all DT 39928 668 39 have have VBP 39928 668 40 a a DT 39928 668 41 very very RB 39928 668 42 small small JJ 39928 668 43 proper proper JJ 39928 668 44 motion motion NN 39928 668 45 or or CC 39928 668 46 none none NN 39928 668 47 at at RB 39928 668 48 all all RB 39928 668 49 . . . 39928 669 1 These these DT 39928 669 2 facts fact NNS 39928 669 3 support support VBP 39928 669 4 the the DT 39928 669 5 conclusion conclusion NN 39928 669 6 , , , 39928 669 7 which which WDT 39928 669 8 had have VBD 39928 669 9 been be VBN 39928 669 10 already already RB 39928 669 11 reached reach VBN 39928 669 12 by by IN 39928 669 13 astronomers astronomer NNS 39928 669 14 from from IN 39928 669 15 a a DT 39928 669 16 careful careful JJ 39928 669 17 study study NN 39928 669 18 of of IN 39928 669 19 the the DT 39928 669 20 distribution distribution NN 39928 669 21 of of IN 39928 669 22 the the DT 39928 669 23 stars star NNS 39928 669 24 , , , 39928 669 25 that that IN 39928 669 26 the the DT 39928 669 27 larger large JJR 39928 669 28 portion portion NN 39928 669 29 of of IN 39928 669 30 the the DT 39928 669 31 stars star NNS 39928 669 32 of of IN 39928 669 33 all all DT 39928 669 34 magnitudes magnitude NNS 39928 669 35 scattered scatter VBN 39928 669 36 throughout throughout IN 39928 669 37 the the DT 39928 669 38 Milky Milky NNP 39928 669 39 Way Way NNP 39928 669 40 or or CC 39928 669 41 along along IN 39928 669 42 its -PRON- PRP$ 39928 669 43 borders border NNS 39928 669 44 really really RB 39928 669 45 belong belong VBP 39928 669 46 to to IN 39928 669 47 the the DT 39928 669 48 same same JJ 39928 669 49 great great JJ 39928 669 50 system system NN 39928 669 51 , , , 39928 669 52 and and CC 39928 669 53 may may MD 39928 669 54 be be VB 39928 669 55 said say VBN 39928 669 56 to to TO 39928 669 57 form form VB 39928 669 58 a a DT 39928 669 59 part part NN 39928 669 60 of of IN 39928 669 61 it -PRON- PRP 39928 669 62 . . . 39928 670 1 This this DT 39928 670 2 is be VBZ 39928 670 3 a a DT 39928 670 4 conclusion conclusion NN 39928 670 5 of of IN 39928 670 6 extreme extreme JJ 39928 670 7 importance importance NN 39928 670 8 because because IN 39928 670 9 it -PRON- PRP 39928 670 10 teaches teach VBZ 39928 670 11 us -PRON- PRP 39928 670 12 that that IN 39928 670 13 the the DT 39928 670 14 grandest grand JJS 39928 670 15 of of IN 39928 670 16 the the DT 39928 670 17 suns sun NNS 39928 670 18 , , , 39928 670 19 such such JJ 39928 670 20 as as IN 39928 670 21 Rigel Rigel NNP 39928 670 22 and and CC 39928 670 23 Betelgeuse Betelgeuse NNP 39928 670 24 in in IN 39928 670 25 the the DT 39928 670 26 constellation constellation NN 39928 670 27 Orion orion NN 39928 670 28 , , , 39928 670 29 Antares Antares NNPS 39928 670 30 in in IN 39928 670 31 the the DT 39928 670 32 Scorpion Scorpion NNP 39928 670 33 , , , 39928 670 34 Deneb Deneb NNP 39928 670 35 in in IN 39928 670 36 the the DT 39928 670 37 Swan Swan NNP 39928 670 38 ( ( -LRB- 39928 670 39 Alpha Alpha NNP 39928 670 40 Cygni Cygni NNP 39928 670 41 ) ) -RRB- 39928 670 42 , , , 39928 670 43 and and CC 39928 670 44 Canopus Canopus NNP 39928 670 45 ( ( -LRB- 39928 670 46 Alpha Alpha NNP 39928 670 47 Argus Argus NNP 39928 670 48 ) ) -RRB- 39928 670 49 , , , 39928 670 50 are be VBP 39928 670 51 in in IN 39928 670 52 all all DT 39928 670 53 probability probability NN 39928 670 54 as as RB 39928 670 55 far far RB 39928 670 56 removed remove VBN 39928 670 57 from from IN 39928 670 58 us -PRON- PRP 39928 670 59 as as IN 39928 670 60 are be VBP 39928 670 61 the the DT 39928 670 62 innumerable innumerable JJ 39928 670 63 minute minute NN 39928 670 64 stars star NNS 39928 670 65 which which WDT 39928 670 66 give give VBP 39928 670 67 the the DT 39928 670 68 nebulous nebulous JJ 39928 670 69 or or CC 39928 670 70 milky milky JJ 39928 670 71 appearance appearance NN 39928 670 72 to to IN 39928 670 73 the the DT 39928 670 74 Galaxy Galaxy NNP 39928 670 75 . . . 39928 671 1 It -PRON- PRP 39928 671 2 is be VBZ 39928 671 3 well well JJ 39928 671 4 to to TO 39928 671 5 consider consider VB 39928 671 6 for for IN 39928 671 7 a a DT 39928 671 8 moment moment NN 39928 671 9 what what WP 39928 671 10 these these DT 39928 671 11 facts fact NNS 39928 671 12 mean mean VBP 39928 671 13 . . . 39928 672 1 Professor Professor NNP 39928 672 2 S. S. NNP 39928 672 3 Newcomb Newcomb NNP 39928 672 4 , , , 39928 672 5 one one CD 39928 672 6 of of IN 39928 672 7 the the DT 39928 672 8 highest high JJS 39928 672 9 authorities authority NNS 39928 672 10 on on IN 39928 672 11 these these DT 39928 672 12 problems problem NNS 39928 672 13 , , , 39928 672 14 tells tell VBZ 39928 672 15 us -PRON- PRP 39928 672 16 that that IN 39928 672 17 the the DT 39928 672 18 long long JJ 39928 672 19 series series NN 39928 672 20 of of IN 39928 672 21 measurements measurement NNS 39928 672 22 to to TO 39928 672 23 discover discover VB 39928 672 24 the the DT 39928 672 25 parallax parallax NN 39928 672 26 of of IN 39928 672 27 Canopus Canopus NNP 39928 672 28 , , , 39928 672 29 the the DT 39928 672 30 brightest bright JJS 39928 672 31 star star NN 39928 672 32 in in IN 39928 672 33 the the DT 39928 672 34 southern southern JJ 39928 672 35 hemisphere hemisphere NN 39928 672 36 , , , 39928 672 37 would would MD 39928 672 38 have have VB 39928 672 39 shown show VBN 39928 672 40 a a DT 39928 672 41 parallax parallax NN 39928 672 42 of of IN 39928 672 43 one one CD 39928 672 44 - - HYPH 39928 672 45 hundredth hundredth NN 39928 672 46 of of IN 39928 672 47 a a DT 39928 672 48 second second NN 39928 672 49 , , , 39928 672 50 had have VBD 39928 672 51 such such JJ 39928 672 52 existed existed JJ 39928 672 53 . . . 39928 673 1 Yet yet RB 39928 673 2 the the DT 39928 673 3 results result NNS 39928 673 4 always always RB 39928 673 5 seemed seem VBD 39928 673 6 to to TO 39928 673 7 converge converge VB 39928 673 8 to to IN 39928 673 9 a a DT 39928 673 10 mean mean NN 39928 673 11 of of IN 39928 673 12 0".000 0".000 NNP 39928 673 13 ! ! . 39928 674 1 Suppose suppose VB 39928 674 2 , , , 39928 674 3 then then RB 39928 674 4 , , , 39928 674 5 we -PRON- PRP 39928 674 6 assume assume VBP 39928 674 7 the the DT 39928 674 8 parallax parallax NN 39928 674 9 of of IN 39928 674 10 this this DT 39928 674 11 star star NN 39928 674 12 to to TO 39928 674 13 be be VB 39928 674 14 somewhat somewhat RB 39928 674 15 less less JJR 39928 674 16 than than IN 39928 674 17 the the DT 39928 674 18 hundredth hundredth JJ 39928 674 19 of of IN 39928 674 20 a a DT 39928 674 21 second second JJ 39928 674 22 -- -- : 39928 674 23 let let VB 39928 674 24 us -PRON- PRP 39928 674 25 say say VB 39928 674 26 1/125 1/125 CD 39928 674 27 of of IN 39928 674 28 a a DT 39928 674 29 second second NN 39928 674 30 . . . 39928 675 1 At at IN 39928 675 2 the the DT 39928 675 3 distance distance NN 39928 675 4 this this DT 39928 675 5 gives give VBZ 39928 675 6 , , , 39928 675 7 light light NN 39928 675 8 would would MD 39928 675 9 take take VB 39928 675 10 almost almost RB 39928 675 11 exactly exactly RB 39928 675 12 400 400 CD 39928 675 13 years year NNS 39928 675 14 to to TO 39928 675 15 reach reach VB 39928 675 16 us -PRON- PRP 39928 675 17 , , , 39928 675 18 so so IN 39928 675 19 that that IN 39928 675 20 if if IN 39928 675 21 we -PRON- PRP 39928 675 22 suppose suppose VBP 39928 675 23 this this DT 39928 675 24 very very RB 39928 675 25 brilliant brilliant JJ 39928 675 26 star star NN 39928 675 27 to to TO 39928 675 28 be be VB 39928 675 29 situated situate VBN 39928 675 30 a a DT 39928 675 31 little little JJ 39928 675 32 on on IN 39928 675 33 this this DT 39928 675 34 side side NN 39928 675 35 of of IN 39928 675 36 the the DT 39928 675 37 Galaxy Galaxy NNP 39928 675 38 , , , 39928 675 39 we -PRON- PRP 39928 675 40 must must MD 39928 675 41 give give VB 39928 675 42 to to IN 39928 675 43 that that DT 39928 675 44 great great JJ 39928 675 45 luminous luminous JJ 39928 675 46 circle circle NN 39928 675 47 of of IN 39928 675 48 stars star NNS 39928 675 49 a a DT 39928 675 50 distance distance NN 39928 675 51 of of IN 39928 675 52 about about RB 39928 675 53 500 500 CD 39928 675 54 light light JJ 39928 675 55 years year NNS 39928 675 56 . . . 39928 676 1 We -PRON- PRP 39928 676 2 shall shall MD 39928 676 3 now now RB 39928 676 4 perceive perceive VB 39928 676 5 the the DT 39928 676 6 advantage advantage NN 39928 676 7 of of IN 39928 676 8 being be VBG 39928 676 9 able able JJ 39928 676 10 to to TO 39928 676 11 realise realise VB 39928 676 12 what what WP 39928 676 13 a a DT 39928 676 14 million million CD 39928 676 15 really really RB 39928 676 16 is be VBZ 39928 676 17 . . . 39928 677 1 A a DT 39928 677 2 person person NN 39928 677 3 who who WP 39928 677 4 had have VBD 39928 677 5 once once RB 39928 677 6 seen see VBN 39928 677 7 a a DT 39928 677 8 wall wall NN 39928 677 9 - - HYPH 39928 677 10 space space NN 39928 677 11 more more JJR 39928 677 12 than than IN 39928 677 13 100 100 CD 39928 677 14 feet foot NNS 39928 677 15 long long JJ 39928 677 16 and and CC 39928 677 17 20 20 CD 39928 677 18 feet foot NNS 39928 677 19 high high JJ 39928 677 20 completely completely RB 39928 677 21 covered cover VBN 39928 677 22 with with IN 39928 677 23 quarter quarter NN 39928 677 24 - - HYPH 39928 677 25 inch inch NN 39928 677 26 spots spot NNS 39928 677 27 a a DT 39928 677 28 quarter quarter NN 39928 677 29 of of IN 39928 677 30 an an DT 39928 677 31 inch inch NN 39928 677 32 apart apart RB 39928 677 33 ; ; : 39928 677 34 and and CC 39928 677 35 then then RB 39928 677 36 tried try VBD 39928 677 37 to to TO 39928 677 38 imagine imagine VB 39928 677 39 every every DT 39928 677 40 spot spot NN 39928 677 41 to to TO 39928 677 42 be be VB 39928 677 43 a a DT 39928 677 44 mile mile NN 39928 677 45 long long JJ 39928 677 46 and and CC 39928 677 47 to to TO 39928 677 48 be be VB 39928 677 49 placed place VBN 39928 677 50 end end NN 39928 677 51 to to TO 39928 677 52 end end VB 39928 677 53 in in IN 39928 677 54 one one CD 39928 677 55 row row NN 39928 677 56 , , , 39928 677 57 would would MD 39928 677 58 form form VB 39928 677 59 a a DT 39928 677 60 very very RB 39928 677 61 different different JJ 39928 677 62 conception conception NN 39928 677 63 of of IN 39928 677 64 a a DT 39928 677 65 million million CD 39928 677 66 miles mile NNS 39928 677 67 than than IN 39928 677 68 those those DT 39928 677 69 who who WP 39928 677 70 almost almost RB 39928 677 71 daily daily RB 39928 677 72 _ _ NNP 39928 677 73 read read VBD 39928 677 74 _ _ NNP 39928 677 75 of of IN 39928 677 76 millions million NNS 39928 677 77 , , , 39928 677 78 but but CC 39928 677 79 are be VBP 39928 677 80 quite quite RB 39928 677 81 unable unable JJ 39928 677 82 to to TO 39928 677 83 visualise visualise VB 39928 677 84 even even RB 39928 677 85 one one CD 39928 677 86 of of IN 39928 677 87 them -PRON- PRP 39928 677 88 . . . 39928 678 1 Having have VBG 39928 678 2 really really RB 39928 678 3 seen see VBN 39928 678 4 one one CD 39928 678 5 million million CD 39928 678 6 , , , 39928 678 7 we -PRON- PRP 39928 678 8 can can MD 39928 678 9 partially partially RB 39928 678 10 realise realise VB 39928 678 11 the the DT 39928 678 12 velocity velocity NN 39928 678 13 of of IN 39928 678 14 light light NN 39928 678 15 , , , 39928 678 16 which which WDT 39928 678 17 travels travel VBZ 39928 678 18 over over IN 39928 678 19 this this DT 39928 678 20 million million CD 39928 678 21 miles mile NNS 39928 678 22 in in IN 39928 678 23 a a DT 39928 678 24 little little JJ 39928 678 25 less less JJR 39928 678 26 than than IN 39928 678 27 5 5 CD 39928 678 28 - - SYM 39928 678 29 1/2 1/2 CD 39928 678 30 seconds second NNS 39928 678 31 ; ; : 39928 678 32 and and CC 39928 678 33 yet yet RB 39928 678 34 light light NN 39928 678 35 takes take VBZ 39928 678 36 more more JJR 39928 678 37 than than IN 39928 678 38 4 4 CD 39928 678 39 - - SYM 39928 678 40 1/3 1/3 CD 39928 678 41 years year NNS 39928 678 42 at at IN 39928 678 43 this this DT 39928 678 44 inconceivable inconceivable JJ 39928 678 45 speed speed NN 39928 678 46 to to TO 39928 678 47 come come VB 39928 678 48 to to IN 39928 678 49 us -PRON- PRP 39928 678 50 from from IN 39928 678 51 the the DT 39928 678 52 very very RB 39928 678 53 _ _ NNP 39928 678 54 nearest near JJS 39928 678 55 _ _ NNP 39928 678 56 of of IN 39928 678 57 the the DT 39928 678 58 stars star NNS 39928 678 59 . . . 39928 679 1 To to TO 39928 679 2 realise realise VB 39928 679 3 this this DT 39928 679 4 still still RB 39928 679 5 more more RBR 39928 679 6 impressively impressively RB 39928 679 7 , , , 39928 679 8 let let VB 39928 679 9 us -PRON- PRP 39928 679 10 take take VB 39928 679 11 the the DT 39928 679 12 _ _ NNP 39928 679 13 distance distance NN 39928 679 14 _ _ NNP 39928 679 15 of of IN 39928 679 16 this this DT 39928 679 17 nearest near JJS 39928 679 18 star star NN 39928 679 19 , , , 39928 679 20 which which WDT 39928 679 21 is be VBZ 39928 679 22 26 26 CD 39928 679 23 _ _ NNP 39928 679 24 millions million NNS 39928 679 25 _ _ NNP 39928 679 26 of of IN 39928 679 27 _ _ NNP 39928 679 28 millions million NNS 39928 679 29 _ _ NNP 39928 679 30 of of IN 39928 679 31 miles mile NNS 39928 679 32 . . . 39928 680 1 Let let VB 39928 680 2 us -PRON- PRP 39928 680 3 look look VB 39928 680 4 in in IN 39928 680 5 imagination imagination NN 39928 680 6 at at IN 39928 680 7 this this DT 39928 680 8 large large JJ 39928 680 9 and and CC 39928 680 10 lofty lofty JJ 39928 680 11 hall hall NN 39928 680 12 covered cover VBN 39928 680 13 from from IN 39928 680 14 floor floor NN 39928 680 15 to to IN 39928 680 16 ceiling ceiling NN 39928 680 17 with with IN 39928 680 18 quarter quarter NN 39928 680 19 - - HYPH 39928 680 20 inch inch NN 39928 680 21 spots spot NNS 39928 680 22 -- -- : 39928 680 23 only only RB 39928 680 24 _ _ NNP 39928 680 25 one one CD 39928 680 26 _ _ NNP 39928 680 27 million million CD 39928 680 28 . . . 39928 681 1 Let let VB 39928 681 2 all all PDT 39928 681 3 these these DT 39928 681 4 be be VB 39928 681 5 imagined imagine VBN 39928 681 6 as as IN 39928 681 7 miles mile NNS 39928 681 8 . . . 39928 682 1 Then then RB 39928 682 2 repeat repeat VB 39928 682 3 this this DT 39928 682 4 number number NN 39928 682 5 of of IN 39928 682 6 miles mile NNS 39928 682 7 in in IN 39928 682 8 a a DT 39928 682 9 straight straight JJ 39928 682 10 line line NN 39928 682 11 , , , 39928 682 12 one one CD 39928 682 13 after after IN 39928 682 14 the the DT 39928 682 15 other other JJ 39928 682 16 , , , 39928 682 17 as as IN 39928 682 18 many many JJ 39928 682 19 times time NNS 39928 682 20 as as IN 39928 682 21 there there EX 39928 682 22 are be VBP 39928 682 23 spots spot NNS 39928 682 24 in in IN 39928 682 25 this this DT 39928 682 26 hall hall NN 39928 682 27 ; ; : 39928 682 28 and and CC 39928 682 29 even even RB 39928 682 30 then then RB 39928 682 31 you -PRON- PRP 39928 682 32 have have VBP 39928 682 33 reached reach VBN 39928 682 34 only only RB 39928 682 35 one one CD 39928 682 36 twenty twenty CD 39928 682 37 - - HYPH 39928 682 38 sixth sixth JJ 39928 682 39 part part NN 39928 682 40 of of IN 39928 682 41 the the DT 39928 682 42 distance distance NN 39928 682 43 to to IN 39928 682 44 the the DT 39928 682 45 nearest near JJS 39928 682 46 fixed fix VBN 39928 682 47 star star NN 39928 682 48 ! ! . 39928 683 1 This this DT 39928 683 2 _ _ NNP 39928 683 3 million million CD 39928 683 4 _ _ NNP 39928 683 5 times time NNS 39928 683 6 a a DT 39928 683 7 _ _ NNP 39928 683 8 million million CD 39928 683 9 _ _ NNP 39928 683 10 miles mile NNS 39928 683 11 has have VBZ 39928 683 12 to to TO 39928 683 13 be be VB 39928 683 14 repeated repeat VBN 39928 683 15 twenty twenty CD 39928 683 16 - - HYPH 39928 683 17 six six CD 39928 683 18 times time NNS 39928 683 19 to to TO 39928 683 20 reach reach VB 39928 683 21 the the DT 39928 683 22 _ _ NNP 39928 683 23 nearest near JJS 39928 683 24 _ _ NNP 39928 683 25 fixed fix VBN 39928 683 26 star star NN 39928 683 27 ; ; : 39928 683 28 and and CC 39928 683 29 it -PRON- PRP 39928 683 30 seems seem VBZ 39928 683 31 probable probable JJ 39928 683 32 that that IN 39928 683 33 this this DT 39928 683 34 gives give VBZ 39928 683 35 us -PRON- PRP 39928 683 36 a a DT 39928 683 37 good good JJ 39928 683 38 indication indication NN 39928 683 39 of of IN 39928 683 40 the the DT 39928 683 41 distance distance NN 39928 683 42 from from IN 39928 683 43 each each DT 39928 683 44 other other JJ 39928 683 45 of of IN 39928 683 46 at at IN 39928 683 47 least least RBS 39928 683 48 all all PDT 39928 683 49 the the DT 39928 683 50 stars star NNS 39928 683 51 down down RP 39928 683 52 to to IN 39928 683 53 the the DT 39928 683 54 sixth sixth JJ 39928 683 55 magnitude magnitude NN 39928 683 56 , , , 39928 683 57 perhaps perhaps RB 39928 683 58 even even RB 39928 683 59 of of IN 39928 683 60 a a DT 39928 683 61 large large JJ 39928 683 62 number number NN 39928 683 63 of of IN 39928 683 64 the the DT 39928 683 65 telescopic telescopic JJ 39928 683 66 stars star NNS 39928 683 67 . . . 39928 684 1 But but CC 39928 684 2 as as IN 39928 684 3 we -PRON- PRP 39928 684 4 have have VBP 39928 684 5 found find VBN 39928 684 6 that that IN 39928 684 7 the the DT 39928 684 8 bright bright JJ 39928 684 9 stars star NNS 39928 684 10 of of IN 39928 684 11 the the DT 39928 684 12 Milky Milky NNP 39928 684 13 Way Way NNP 39928 684 14 must must MD 39928 684 15 be be VB 39928 684 16 at at RB 39928 684 17 least least RBS 39928 684 18 one one CD 39928 684 19 hundred hundred CD 39928 684 20 times time NNS 39928 684 21 farther farther RB 39928 684 22 from from IN 39928 684 23 us -PRON- PRP 39928 684 24 than than IN 39928 684 25 these these DT 39928 684 26 nearest near JJS 39928 684 27 stars star NNS 39928 684 28 , , , 39928 684 29 we -PRON- PRP 39928 684 30 have have VBP 39928 684 31 found find VBN 39928 684 32 what what WP 39928 684 33 may may MD 39928 684 34 be be VB 39928 684 35 termed term VBN 39928 684 36 a a DT 39928 684 37 minimum minimum JJ 39928 684 38 distance distance NN 39928 684 39 for for IN 39928 684 40 that that DT 39928 684 41 vast vast JJ 39928 684 42 star star NN 39928 684 43 - - HYPH 39928 684 44 ring ring NN 39928 684 45 . . . 39928 685 1 It -PRON- PRP 39928 685 2 may may MD 39928 685 3 be be VB 39928 685 4 immensely immensely RB 39928 685 5 farther farther RB 39928 685 6 , , , 39928 685 7 but but CC 39928 685 8 it -PRON- PRP 39928 685 9 is be VBZ 39928 685 10 hardly hardly RB 39928 685 11 possible possible JJ 39928 685 12 that that IN 39928 685 13 it -PRON- PRP 39928 685 14 should should MD 39928 685 15 be be VB 39928 685 16 anything anything NN 39928 685 17 less less JJR 39928 685 18 . . . 39928 686 1 THE the DT 39928 686 2 PROBABLE PROBABLE NNP 39928 686 3 SIZE size NN 39928 686 4 OF of IN 39928 686 5 THE the DT 39928 686 6 STARS star NNS 39928 686 7 Having have VBG 39928 686 8 thus thus RB 39928 686 9 obtained obtain VBN 39928 686 10 an an DT 39928 686 11 inferior inferior JJ 39928 686 12 limit limit NN 39928 686 13 for for IN 39928 686 14 the the DT 39928 686 15 distance distance NN 39928 686 16 of of IN 39928 686 17 several several JJ 39928 686 18 stars star NNS 39928 686 19 of of IN 39928 686 20 the the DT 39928 686 21 first first JJ 39928 686 22 magnitude magnitude NN 39928 686 23 , , , 39928 686 24 and and CC 39928 686 25 their -PRON- PRP$ 39928 686 26 actual actual JJ 39928 686 27 brilliancy brilliancy NN 39928 686 28 or or CC 39928 686 29 light light NN 39928 686 30 - - HYPH 39928 686 31 emission emission NN 39928 686 32 as as IN 39928 686 33 compared compare VBN 39928 686 34 with with IN 39928 686 35 our -PRON- PRP$ 39928 686 36 sun sun NN 39928 686 37 having have VBG 39928 686 38 been be VBN 39928 686 39 carefully carefully RB 39928 686 40 measured measure VBN 39928 686 41 , , , 39928 686 42 we -PRON- PRP 39928 686 43 have have VBP 39928 686 44 afforded afford VBN 39928 686 45 us -PRON- PRP 39928 686 46 some some DT 39928 686 47 indication indication NN 39928 686 48 of of IN 39928 686 49 size size NN 39928 686 50 though though IN 39928 686 51 perhaps perhaps RB 39928 686 52 an an DT 39928 686 53 uncertain uncertain JJ 39928 686 54 one one NN 39928 686 55 . . . 39928 687 1 By by IN 39928 687 2 these these DT 39928 687 3 means mean NNS 39928 687 4 it -PRON- PRP 39928 687 5 has have VBZ 39928 687 6 been be VBN 39928 687 7 found find VBN 39928 687 8 that that IN 39928 687 9 Rigel Rigel NNP 39928 687 10 gives give VBZ 39928 687 11 out out RP 39928 687 12 about about RB 39928 687 13 ten ten CD 39928 687 14 thousand thousand CD 39928 687 15 times time NNS 39928 687 16 as as RB 39928 687 17 much much JJ 39928 687 18 light light NN 39928 687 19 as as IN 39928 687 20 our -PRON- PRP$ 39928 687 21 sun sun NN 39928 687 22 , , , 39928 687 23 so so IN 39928 687 24 that that IN 39928 687 25 if if IN 39928 687 26 its -PRON- PRP$ 39928 687 27 surface surface NN 39928 687 28 is be VBZ 39928 687 29 of of IN 39928 687 30 the the DT 39928 687 31 same same JJ 39928 687 32 brightness brightness NN 39928 687 33 , , , 39928 687 34 it -PRON- PRP 39928 687 35 must must MD 39928 687 36 be be VB 39928 687 37 a a DT 39928 687 38 hundred hundred CD 39928 687 39 times time NNS 39928 687 40 the the DT 39928 687 41 diameter diameter NN 39928 687 42 of of IN 39928 687 43 the the DT 39928 687 44 sun sun NN 39928 687 45 . . . 39928 688 1 But but CC 39928 688 2 as as IN 39928 688 3 it -PRON- PRP 39928 688 4 is be VBZ 39928 688 5 one one CD 39928 688 6 of of IN 39928 688 7 the the DT 39928 688 8 white white JJ 39928 688 9 or or CC 39928 688 10 Sirian sirian JJ 39928 688 11 type type NN 39928 688 12 of of IN 39928 688 13 stars star NNS 39928 688 14 it -PRON- PRP 39928 688 15 is be VBZ 39928 688 16 probably probably RB 39928 688 17 very very RB 39928 688 18 much much RB 39928 688 19 more more RBR 39928 688 20 luminous luminous JJ 39928 688 21 , , , 39928 688 22 but but CC 39928 688 23 even even RB 39928 688 24 if if IN 39928 688 25 it -PRON- PRP 39928 688 26 were be VBD 39928 688 27 twenty twenty CD 39928 688 28 times time NNS 39928 688 29 brighter bright JJR 39928 688 30 it -PRON- PRP 39928 688 31 would would MD 39928 688 32 still still RB 39928 688 33 have have VB 39928 688 34 to to TO 39928 688 35 be be VB 39928 688 36 twenty twenty CD 39928 688 37 - - HYPH 39928 688 38 two two CD 39928 688 39 and and CC 39928 688 40 a a DT 39928 688 41 half half NN 39928 688 42 times time NNS 39928 688 43 the the DT 39928 688 44 diameter diameter NN 39928 688 45 of of IN 39928 688 46 the the DT 39928 688 47 sun sun NN 39928 688 48 ; ; : 39928 688 49 and and CC 39928 688 50 as as IN 39928 688 51 the the DT 39928 688 52 stars star NNS 39928 688 53 of of IN 39928 688 54 this this DT 39928 688 55 type type NN 39928 688 56 are be VBP 39928 688 57 probably probably RB 39928 688 58 wholly wholly RB 39928 688 59 gaseous gaseous JJ 39928 688 60 and and CC 39928 688 61 much much RB 39928 688 62 less less RBR 39928 688 63 dense dense JJ 39928 688 64 than than IN 39928 688 65 our -PRON- PRP$ 39928 688 66 sun sun NN 39928 688 67 , , , 39928 688 68 this this DT 39928 688 69 enormous enormous JJ 39928 688 70 size size NN 39928 688 71 may may MD 39928 688 72 not not RB 39928 688 73 be be VB 39928 688 74 far far RB 39928 688 75 from from IN 39928 688 76 the the DT 39928 688 77 truth truth NN 39928 688 78 . . . 39928 689 1 It -PRON- PRP 39928 689 2 is be VBZ 39928 689 3 believed believe VBN 39928 689 4 that that IN 39928 689 5 the the DT 39928 689 6 Sirian sirian JJ 39928 689 7 stars star NNS 39928 689 8 generally generally RB 39928 689 9 have have VBP 39928 689 10 a a DT 39928 689 11 greater great JJR 39928 689 12 surface surface NN 39928 689 13 brilliancy brilliancy NN 39928 689 14 than than IN 39928 689 15 our -PRON- PRP$ 39928 689 16 sun sun NN 39928 689 17 . . . 39928 690 1 Beta Beta NNP 39928 690 2 Aurigæ Aurigæ NNP 39928 690 3 , , , 39928 690 4 a a DT 39928 690 5 star star NN 39928 690 6 of of IN 39928 690 7 the the DT 39928 690 8 second second JJ 39928 690 9 magnitude magnitude NN 39928 690 10 but but CC 39928 690 11 of of IN 39928 690 12 the the DT 39928 690 13 Sirian sirian JJ 39928 690 14 type type NN 39928 690 15 , , , 39928 690 16 is be VBZ 39928 690 17 one one CD 39928 690 18 of of IN 39928 690 19 the the DT 39928 690 20 double double JJ 39928 690 21 stars star NNS 39928 690 22 whose whose WP$ 39928 690 23 distance distance NN 39928 690 24 has have VBZ 39928 690 25 been be VBN 39928 690 26 measured measure VBN 39928 690 27 , , , 39928 690 28 and and CC 39928 690 29 this this DT 39928 690 30 has have VBZ 39928 690 31 enabled enable VBN 39928 690 32 Mr. Mr. NNP 39928 690 33 Gore Gore NNP 39928 690 34 to to TO 39928 690 35 find find VB 39928 690 36 the the DT 39928 690 37 mass mass NN 39928 690 38 of of IN 39928 690 39 the the DT 39928 690 40 binary binary JJ 39928 690 41 system system NN 39928 690 42 to to TO 39928 690 43 be be VB 39928 690 44 five five CD 39928 690 45 times time NNS 39928 690 46 that that DT 39928 690 47 of of IN 39928 690 48 the the DT 39928 690 49 sun sun NN 39928 690 50 , , , 39928 690 51 and and CC 39928 690 52 their -PRON- PRP$ 39928 690 53 light light JJ 39928 690 54 one one CD 39928 690 55 hundred hundred CD 39928 690 56 and and CC 39928 690 57 seventeen seventeen CD 39928 690 58 times time NNS 39928 690 59 greater great JJR 39928 690 60 . . . 39928 691 1 Even even RB 39928 691 2 if if IN 39928 691 3 the the DT 39928 691 4 density density NN 39928 691 5 is be VBZ 39928 691 6 much much RB 39928 691 7 less less JJR 39928 691 8 than than IN 39928 691 9 the the DT 39928 691 10 sun sun NN 39928 691 11 's 's POS 39928 691 12 , , , 39928 691 13 the the DT 39928 691 14 intrinsic intrinsic JJ 39928 691 15 brilliancy brilliancy NN 39928 691 16 of of IN 39928 691 17 the the DT 39928 691 18 surface surface NN 39928 691 19 will will MD 39928 691 20 be be VB 39928 691 21 considerably considerably RB 39928 691 22 greater great JJR 39928 691 23 . . . 39928 692 1 Another another DT 39928 692 2 double double JJ 39928 692 3 star star NN 39928 692 4 , , , 39928 692 5 Gamma Gamma NNP 39928 692 6 Leonis Leonis NNP 39928 692 7 , , , 39928 692 8 has have VBZ 39928 692 9 been be VBN 39928 692 10 found find VBN 39928 692 11 to to TO 39928 692 12 be be VB 39928 692 13 three three CD 39928 692 14 hundred hundred CD 39928 692 15 times time NNS 39928 692 16 more more RBR 39928 692 17 brilliant brilliant JJ 39928 692 18 than than IN 39928 692 19 the the DT 39928 692 20 sun sun NN 39928 692 21 if if IN 39928 692 22 of of IN 39928 692 23 the the DT 39928 692 24 same same JJ 39928 692 25 density density NN 39928 692 26 , , , 39928 692 27 but but CC 39928 692 28 it -PRON- PRP 39928 692 29 would would MD 39928 692 30 require require VB 39928 692 31 to to TO 39928 692 32 be be VB 39928 692 33 seven seven CD 39928 692 34 times time NNS 39928 692 35 rarer rare JJR 39928 692 36 than than IN 39928 692 37 air air NN 39928 692 38 to to TO 39928 692 39 have have VB 39928 692 40 the the DT 39928 692 41 extent extent NN 39928 692 42 of of IN 39928 692 43 surface surface NN 39928 692 44 needed need VBN 39928 692 45 to to TO 39928 692 46 give give VB 39928 692 47 the the DT 39928 692 48 same same JJ 39928 692 49 amount amount NN 39928 692 50 of of IN 39928 692 51 light light NN 39928 692 52 if if IN 39928 692 53 its -PRON- PRP$ 39928 692 54 surface surface NN 39928 692 55 emitted emit VBD 39928 692 56 no no DT 39928 692 57 more more JJR 39928 692 58 light light NN 39928 692 59 than than IN 39928 692 60 our -PRON- PRP$ 39928 692 61 sun sun NN 39928 692 62 from from IN 39928 692 63 equal equal JJ 39928 692 64 areas area NNS 39928 692 65 . . . 39928 693 1 It -PRON- PRP 39928 693 2 is be VBZ 39928 693 3 clear clear JJ 39928 693 4 , , , 39928 693 5 therefore therefore RB 39928 693 6 , , , 39928 693 7 that that IN 39928 693 8 many many JJ 39928 693 9 of of IN 39928 693 10 the the DT 39928 693 11 stars star NNS 39928 693 12 are be VBP 39928 693 13 much much RB 39928 693 14 larger large JJR 39928 693 15 than than IN 39928 693 16 our -PRON- PRP$ 39928 693 17 sun sun NN 39928 693 18 as as RB 39928 693 19 well well RB 39928 693 20 as as IN 39928 693 21 more more RBR 39928 693 22 luminous luminous JJ 39928 693 23 ; ; : 39928 693 24 but but CC 39928 693 25 there there EX 39928 693 26 are be VBP 39928 693 27 also also RB 39928 693 28 large large JJ 39928 693 29 numbers number NNS 39928 693 30 of of IN 39928 693 31 small small JJ 39928 693 32 stars star NNS 39928 693 33 whose whose WP$ 39928 693 34 large large JJ 39928 693 35 proper proper JJ 39928 693 36 motions motion NNS 39928 693 37 , , , 39928 693 38 as as RB 39928 693 39 well well RB 39928 693 40 as as IN 39928 693 41 the the DT 39928 693 42 actual actual JJ 39928 693 43 measurement measurement NN 39928 693 44 of of IN 39928 693 45 some some DT 39928 693 46 , , , 39928 693 47 prove prove VB 39928 693 48 them -PRON- PRP 39928 693 49 to to TO 39928 693 50 be be VB 39928 693 51 comparatively comparatively RB 39928 693 52 near near JJ 39928 693 53 to to IN 39928 693 54 us -PRON- PRP 39928 693 55 which which WDT 39928 693 56 yet yet RB 39928 693 57 are be VBP 39928 693 58 only only RB 39928 693 59 about about RB 39928 693 60 one one CD 39928 693 61 - - HYPH 39928 693 62 fiftieth fiftieth NN 39928 693 63 part part NN 39928 693 64 as as RB 39928 693 65 bright bright JJ 39928 693 66 as as IN 39928 693 67 the the DT 39928 693 68 sun sun NN 39928 693 69 . . . 39928 694 1 These these DT 39928 694 2 must must MD 39928 694 3 , , , 39928 694 4 therefore therefore RB 39928 694 5 , , , 39928 694 6 be be VB 39928 694 7 either either CC 39928 694 8 comparatively comparatively RB 39928 694 9 small small JJ 39928 694 10 , , , 39928 694 11 or or CC 39928 694 12 if if IN 39928 694 13 large large JJ 39928 694 14 must must MD 39928 694 15 be be VB 39928 694 16 but but CC 39928 694 17 slightly slightly RB 39928 694 18 luminous luminous JJ 39928 694 19 . . . 39928 695 1 In in IN 39928 695 2 the the DT 39928 695 3 case case NN 39928 695 4 of of IN 39928 695 5 some some DT 39928 695 6 double double JJ 39928 695 7 stars star NNS 39928 695 8 it -PRON- PRP 39928 695 9 has have VBZ 39928 695 10 been be VBN 39928 695 11 proved prove VBN 39928 695 12 that that IN 39928 695 13 the the DT 39928 695 14 latter latter NN 39928 695 15 is be VBZ 39928 695 16 the the DT 39928 695 17 case case NN 39928 695 18 ; ; : 39928 695 19 but but CC 39928 695 20 it -PRON- PRP 39928 695 21 seems seem VBZ 39928 695 22 probable probable JJ 39928 695 23 that that IN 39928 695 24 others other NNS 39928 695 25 are be VBP 39928 695 26 very very RB 39928 695 27 much much RB 39928 695 28 smaller small JJR 39928 695 29 than than IN 39928 695 30 the the DT 39928 695 31 average average NN 39928 695 32 . . . 39928 696 1 Up up IN 39928 696 2 to to IN 39928 696 3 the the DT 39928 696 4 present present JJ 39928 696 5 time time NN 39928 696 6 no no DT 39928 696 7 means means NN 39928 696 8 of of IN 39928 696 9 determining determine VBG 39928 696 10 the the DT 39928 696 11 size size NN 39928 696 12 of of IN 39928 696 13 a a DT 39928 696 14 star star NN 39928 696 15 by by IN 39928 696 16 actual actual JJ 39928 696 17 measurement measurement NN 39928 696 18 has have VBZ 39928 696 19 been be VBN 39928 696 20 discovered discover VBN 39928 696 21 , , , 39928 696 22 since since IN 39928 696 23 their -PRON- PRP$ 39928 696 24 distances distance NNS 39928 696 25 are be VBP 39928 696 26 so so RB 39928 696 27 enormous enormous JJ 39928 696 28 that that IN 39928 696 29 the the DT 39928 696 30 most most RBS 39928 696 31 powerful powerful JJ 39928 696 32 telescopes telescope NNS 39928 696 33 show show VBP 39928 696 34 only only RB 39928 696 35 a a DT 39928 696 36 point point NN 39928 696 37 of of IN 39928 696 38 light light NN 39928 696 39 . . . 39928 697 1 But but CC 39928 697 2 now now RB 39928 697 3 that that IN 39928 697 4 we -PRON- PRP 39928 697 5 have have VBP 39928 697 6 really really RB 39928 697 7 measured measure VBN 39928 697 8 the the DT 39928 697 9 distance distance NN 39928 697 10 of of IN 39928 697 11 a a DT 39928 697 12 good good JJ 39928 697 13 many many JJ 39928 697 14 stars star NNS 39928 697 15 we -PRON- PRP 39928 697 16 are be VBP 39928 697 17 able able JJ 39928 697 18 to to TO 39928 697 19 determine determine VB 39928 697 20 an an DT 39928 697 21 upper upper JJ 39928 697 22 limit limit NN 39928 697 23 for for IN 39928 697 24 their -PRON- PRP$ 39928 697 25 actual actual JJ 39928 697 26 dimensions dimension NNS 39928 697 27 . . . 39928 698 1 As as IN 39928 698 2 the the DT 39928 698 3 nearest near JJS 39928 698 4 fixed fix VBN 39928 698 5 star star NN 39928 698 6 , , , 39928 698 7 Alpha Alpha NNP 39928 698 8 Centauri Centauri NNP 39928 698 9 , , , 39928 698 10 has have VBZ 39928 698 11 a a DT 39928 698 12 parallax parallax NN 39928 698 13 of of IN 39928 698 14 0".75 0".75 CD 39928 698 15 , , , 39928 698 16 this this DT 39928 698 17 means mean VBZ 39928 698 18 that that IN 39928 698 19 if if IN 39928 698 20 this this DT 39928 698 21 star star NN 39928 698 22 has have VBZ 39928 698 23 a a DT 39928 698 24 diameter diameter NN 39928 698 25 as as RB 39928 698 26 great great JJ 39928 698 27 as as IN 39928 698 28 our -PRON- PRP$ 39928 698 29 distance distance NN 39928 698 30 from from IN 39928 698 31 the the DT 39928 698 32 sun sun NN 39928 698 33 ( ( -LRB- 39928 698 34 which which WDT 39928 698 35 is be VBZ 39928 698 36 not not RB 39928 698 37 much much RB 39928 698 38 more more JJR 39928 698 39 than than IN 39928 698 40 a a DT 39928 698 41 hundred hundred CD 39928 698 42 times time NNS 39928 698 43 the the DT 39928 698 44 sun sun NN 39928 698 45 's 's POS 39928 698 46 diameter diameter NN 39928 698 47 ) ) -RRB- 39928 698 48 it -PRON- PRP 39928 698 49 would would MD 39928 698 50 be be VB 39928 698 51 seen see VBN 39928 698 52 to to TO 39928 698 53 have have VB 39928 698 54 a a DT 39928 698 55 distinct distinct JJ 39928 698 56 disc disc NN 39928 698 57 about about IN 39928 698 58 as as RB 39928 698 59 large large JJ 39928 698 60 as as IN 39928 698 61 that that DT 39928 698 62 of of IN 39928 698 63 Jupiter Jupiter NNP 39928 698 64 's 's POS 39928 698 65 first first JJ 39928 698 66 satellite satellite NN 39928 698 67 . . . 39928 699 1 If if IN 39928 699 2 it -PRON- PRP 39928 699 3 were be VBD 39928 699 4 even even RB 39928 699 5 one one CD 39928 699 6 - - HYPH 39928 699 7 tenth tenth NN 39928 699 8 of of IN 39928 699 9 the the DT 39928 699 10 size size NN 39928 699 11 supposed suppose VBD 39928 699 12 it -PRON- PRP 39928 699 13 would would MD 39928 699 14 probably probably RB 39928 699 15 be be VB 39928 699 16 seen see VBN 39928 699 17 as as IN 39928 699 18 a a DT 39928 699 19 disc disc NN 39928 699 20 in in IN 39928 699 21 our -PRON- PRP$ 39928 699 22 best good JJS 39928 699 23 modern modern JJ 39928 699 24 telescopes telescope NNS 39928 699 25 . . . 39928 700 1 The the DT 39928 700 2 late late JJ 39928 700 3 Mr. Mr. NNP 39928 700 4 Ranyard Ranyard NNP 39928 700 5 remarks remark VBZ 39928 700 6 that that IN 39928 700 7 if if IN 39928 700 8 the the DT 39928 700 9 Nebular Nebular NNP 39928 700 10 Hypothesis Hypothesis NNP 39928 700 11 is be VBZ 39928 700 12 true true JJ 39928 700 13 , , , 39928 700 14 and and CC 39928 700 15 our -PRON- PRP$ 39928 700 16 sun sun NN 39928 700 17 once once RB 39928 700 18 extended extend VBD 39928 700 19 as as RB 39928 700 20 far far RB 39928 700 21 as as IN 39928 700 22 the the DT 39928 700 23 orbit orbit NN 39928 700 24 of of IN 39928 700 25 Neptune Neptune NNP 39928 700 26 , , , 39928 700 27 then then RB 39928 700 28 , , , 39928 700 29 among among IN 39928 700 30 the the DT 39928 700 31 millions million NNS 39928 700 32 of of IN 39928 700 33 visible visible JJ 39928 700 34 suns sun NNS 39928 700 35 there there EX 39928 700 36 ought ought MD 39928 700 37 to to TO 39928 700 38 be be VB 39928 700 39 some some DT 39928 700 40 now now RB 39928 700 41 to to TO 39928 700 42 be be VB 39928 700 43 found find VBN 39928 700 44 in in IN 39928 700 45 every every DT 39928 700 46 stage stage NN 39928 700 47 of of IN 39928 700 48 development development NN 39928 700 49 . . . 39928 701 1 But but CC 39928 701 2 any any DT 39928 701 3 sun sun NN 39928 701 4 having have VBG 39928 701 5 a a DT 39928 701 6 diameter diameter NN 39928 701 7 at at RB 39928 701 8 all all RB 39928 701 9 approaching approach VBG 39928 701 10 this this DT 39928 701 11 size size NN 39928 701 12 , , , 39928 701 13 and and CC 39928 701 14 situated situate VBN 39928 701 15 as as RB 39928 701 16 far far RB 39928 701 17 off off RB 39928 701 18 as as IN 39928 701 19 a a DT 39928 701 20 hundred hundred CD 39928 701 21 times time NNS 39928 701 22 the the DT 39928 701 23 distance distance NN 39928 701 24 of of IN 39928 701 25 Alpha Alpha NNP 39928 701 26 Centauri Centauri NNP 39928 701 27 , , , 39928 701 28 would would MD 39928 701 29 be be VB 39928 701 30 seen see VBN 39928 701 31 by by IN 39928 701 32 the the DT 39928 701 33 Lick Lick NNP 39928 701 34 telescope telescope NN 39928 701 35 to to TO 39928 701 36 have have VB 39928 701 37 a a DT 39928 701 38 disc disc NN 39928 701 39 half half NN 39928 701 40 a a DT 39928 701 41 second second JJ 39928 701 42 in in IN 39928 701 43 diameter diameter NN 39928 701 44 . . . 39928 702 1 Hence hence RB 39928 702 2 the the DT 39928 702 3 fact fact NN 39928 702 4 that that IN 39928 702 5 there there EX 39928 702 6 are be VBP 39928 702 7 no no DT 39928 702 8 stars star NNS 39928 702 9 with with IN 39928 702 10 visible visible JJ 39928 702 11 discs disc NNS 39928 702 12 proves prof NNS 39928 702 13 that that IN 39928 702 14 there there EX 39928 702 15 are be VBP 39928 702 16 no no DT 39928 702 17 suns sun NNS 39928 702 18 of of IN 39928 702 19 the the DT 39928 702 20 required require VBN 39928 702 21 size size NN 39928 702 22 , , , 39928 702 23 and and CC 39928 702 24 adds add VBZ 39928 702 25 another another DT 39928 702 26 argument argument NN 39928 702 27 , , , 39928 702 28 though though IN 39928 702 29 not not RB 39928 702 30 perhaps perhaps RB 39928 702 31 a a DT 39928 702 32 strong strong JJ 39928 702 33 one one CD 39928 702 34 , , , 39928 702 35 against against IN 39928 702 36 the the DT 39928 702 37 acceptance acceptance NN 39928 702 38 of of IN 39928 702 39 the the DT 39928 702 40 Nebular Nebular NNP 39928 702 41 Hypothesis Hypothesis NNP 39928 702 42 . . . 39928 703 1 CHAPTER chapter NN 39928 703 2 VI VI NNP 39928 703 3 THE the DT 39928 703 4 UNITY unity NN 39928 703 5 AND and CC 39928 703 6 EVOLUTION evolution NN 39928 703 7 OF of IN 39928 703 8 THE the DT 39928 703 9 STAR STAR NNP 39928 703 10 SYSTEM system NN 39928 703 11 The the DT 39928 703 12 very very RB 39928 703 13 condensed condensed JJ 39928 703 14 sketch sketch NN 39928 703 15 now now RB 39928 703 16 given give VBN 39928 703 17 of of IN 39928 703 18 such such JJ 39928 703 19 of of IN 39928 703 20 the the DT 39928 703 21 discoveries discovery NNS 39928 703 22 of of IN 39928 703 23 recent recent JJ 39928 703 24 Astronomy Astronomy NNP 39928 703 25 as as IN 39928 703 26 relate relate VB 39928 703 27 to to IN 39928 703 28 the the DT 39928 703 29 subject subject NN 39928 703 30 we -PRON- PRP 39928 703 31 are be VBP 39928 703 32 discussing discuss VBG 39928 703 33 will will MD 39928 703 34 , , , 39928 703 35 it -PRON- PRP 39928 703 36 is be VBZ 39928 703 37 hoped hope VBN 39928 703 38 , , , 39928 703 39 give give VB 39928 703 40 some some DT 39928 703 41 idea idea NN 39928 703 42 both both DT 39928 703 43 of of IN 39928 703 44 the the DT 39928 703 45 work work NN 39928 703 46 already already RB 39928 703 47 done do VBN 39928 703 48 and and CC 39928 703 49 of of IN 39928 703 50 the the DT 39928 703 51 number number NN 39928 703 52 of of IN 39928 703 53 interesting interesting JJ 39928 703 54 problems problem NNS 39928 703 55 yet yet CC 39928 703 56 remaining remain VBG 39928 703 57 to to TO 39928 703 58 be be VB 39928 703 59 solved solve VBN 39928 703 60 . . . 39928 704 1 The the DT 39928 704 2 most most RBS 39928 704 3 eminent eminent JJ 39928 704 4 astronomers astronomer NNS 39928 704 5 in in IN 39928 704 6 every every DT 39928 704 7 part part NN 39928 704 8 of of IN 39928 704 9 the the DT 39928 704 10 world world NN 39928 704 11 look look VBP 39928 704 12 forward forward RB 39928 704 13 to to IN 39928 704 14 the the DT 39928 704 15 solution solution NN 39928 704 16 of of IN 39928 704 17 these these DT 39928 704 18 problems problem NNS 39928 704 19 not not RB 39928 704 20 , , , 39928 704 21 perhaps perhaps RB 39928 704 22 , , , 39928 704 23 as as IN 39928 704 24 of of IN 39928 704 25 any any DT 39928 704 26 great great JJ 39928 704 27 value value NN 39928 704 28 in in IN 39928 704 29 themselves -PRON- PRP 39928 704 30 , , , 39928 704 31 but but CC 39928 704 32 as as IN 39928 704 33 steps step NNS 39928 704 34 towards towards IN 39928 704 35 a a DT 39928 704 36 more more RBR 39928 704 37 complete complete JJ 39928 704 38 knowledge knowledge NN 39928 704 39 of of IN 39928 704 40 our -PRON- PRP$ 39928 704 41 universe universe NN 39928 704 42 as as IN 39928 704 43 a a DT 39928 704 44 whole whole NN 39928 704 45 . . . 39928 705 1 Their -PRON- PRP$ 39928 705 2 aim aim NN 39928 705 3 is be VBZ 39928 705 4 to to TO 39928 705 5 do do VB 39928 705 6 for for IN 39928 705 7 the the DT 39928 705 8 star star NN 39928 705 9 - - HYPH 39928 705 10 system system NN 39928 705 11 what what WP 39928 705 12 Darwin Darwin NNP 39928 705 13 did do VBD 39928 705 14 for for IN 39928 705 15 the the DT 39928 705 16 organic organic JJ 39928 705 17 world world NN 39928 705 18 , , , 39928 705 19 to to TO 39928 705 20 discover discover VB 39928 705 21 the the DT 39928 705 22 processes process NNS 39928 705 23 of of IN 39928 705 24 change change NN 39928 705 25 that that WDT 39928 705 26 are be VBP 39928 705 27 at at IN 39928 705 28 work work NN 39928 705 29 in in IN 39928 705 30 the the DT 39928 705 31 heavens heavens NNPS 39928 705 32 , , , 39928 705 33 and and CC 39928 705 34 to to TO 39928 705 35 learn learn VB 39928 705 36 how how WRB 39928 705 37 the the DT 39928 705 38 mysterious mysterious JJ 39928 705 39 nebulæ nebulæ NN 39928 705 40 , , , 39928 705 41 the the DT 39928 705 42 various various JJ 39928 705 43 types type NNS 39928 705 44 of of IN 39928 705 45 stars star NNS 39928 705 46 , , , 39928 705 47 and and CC 39928 705 48 the the DT 39928 705 49 clusters cluster NNS 39928 705 50 and and CC 39928 705 51 systems system NNS 39928 705 52 of of IN 39928 705 53 stars star NNS 39928 705 54 are be VBP 39928 705 55 related relate VBN 39928 705 56 to to IN 39928 705 57 each each DT 39928 705 58 other other JJ 39928 705 59 . . . 39928 706 1 As as IN 39928 706 2 Darwin Darwin NNP 39928 706 3 solved solve VBD 39928 706 4 the the DT 39928 706 5 problem problem NN 39928 706 6 of of IN 39928 706 7 the the DT 39928 706 8 origin origin NN 39928 706 9 of of IN 39928 706 10 organic organic JJ 39928 706 11 species specie NNS 39928 706 12 from from IN 39928 706 13 other other JJ 39928 706 14 species specie NNS 39928 706 15 , , , 39928 706 16 and and CC 39928 706 17 thus thus RB 39928 706 18 enabled enable VBD 39928 706 19 us -PRON- PRP 39928 706 20 to to TO 39928 706 21 understand understand VB 39928 706 22 how how WRB 39928 706 23 the the DT 39928 706 24 whole whole NN 39928 706 25 of of IN 39928 706 26 the the DT 39928 706 27 existing exist VBG 39928 706 28 forms form NNS 39928 706 29 of of IN 39928 706 30 life life NN 39928 706 31 have have VBP 39928 706 32 been be VBN 39928 706 33 developed develop VBN 39928 706 34 out out IN 39928 706 35 of of IN 39928 706 36 pre pre JJ 39928 706 37 - - JJ 39928 706 38 existing existing JJ 39928 706 39 forms form NNS 39928 706 40 , , , 39928 706 41 so so IN 39928 706 42 astronomers astronomer NNS 39928 706 43 hope hope VBP 39928 706 44 to to TO 39928 706 45 be be VB 39928 706 46 able able JJ 39928 706 47 to to TO 39928 706 48 solve solve VB 39928 706 49 the the DT 39928 706 50 problem problem NN 39928 706 51 of of IN 39928 706 52 the the DT 39928 706 53 evolution evolution NN 39928 706 54 of of IN 39928 706 55 suns sun NNS 39928 706 56 from from IN 39928 706 57 some some DT 39928 706 58 earlier early RBR 39928 706 59 stellar stellar JJ 39928 706 60 types type NNS 39928 706 61 , , , 39928 706 62 so so IN 39928 706 63 as as IN 39928 706 64 to to TO 39928 706 65 be be VB 39928 706 66 able able JJ 39928 706 67 , , , 39928 706 68 ultimately ultimately RB 39928 706 69 , , , 39928 706 70 to to TO 39928 706 71 form form VB 39928 706 72 some some DT 39928 706 73 intelligible intelligible JJ 39928 706 74 conception conception NN 39928 706 75 of of IN 39928 706 76 how how WRB 39928 706 77 the the DT 39928 706 78 whole whole JJ 39928 706 79 stellar stellar JJ 39928 706 80 universe universe NN 39928 706 81 has have VBZ 39928 706 82 come come VBN 39928 706 83 to to TO 39928 706 84 be be VB 39928 706 85 what what WP 39928 706 86 it -PRON- PRP 39928 706 87 is be VBZ 39928 706 88 . . . 39928 707 1 Volumes volume NNS 39928 707 2 have have VBP 39928 707 3 already already RB 39928 707 4 been be VBN 39928 707 5 written write VBN 39928 707 6 on on IN 39928 707 7 this this DT 39928 707 8 subject subject NN 39928 707 9 , , , 39928 707 10 and and CC 39928 707 11 many many JJ 39928 707 12 ingenious ingenious JJ 39928 707 13 suggestions suggestion NNS 39928 707 14 and and CC 39928 707 15 hypotheses hypothesis NNS 39928 707 16 have have VBP 39928 707 17 been be VBN 39928 707 18 advanced advance VBN 39928 707 19 . . . 39928 708 1 But but CC 39928 708 2 the the DT 39928 708 3 difficulties difficulty NNS 39928 708 4 are be VBP 39928 708 5 very very RB 39928 708 6 great great JJ 39928 708 7 ; ; : 39928 708 8 the the DT 39928 708 9 facts fact NNS 39928 708 10 to to TO 39928 708 11 be be VB 39928 708 12 co co VBN 39928 708 13 - - VBN 39928 708 14 ordinated ordinated JJ 39928 708 15 are be VBP 39928 708 16 excessively excessively RB 39928 708 17 numerous numerous JJ 39928 708 18 , , , 39928 708 19 and and CC 39928 708 20 they -PRON- PRP 39928 708 21 are be VBP 39928 708 22 necessarily necessarily RB 39928 708 23 only only RB 39928 708 24 a a DT 39928 708 25 fragment fragment NN 39928 708 26 of of IN 39928 708 27 an an DT 39928 708 28 unknown unknown JJ 39928 708 29 whole whole NN 39928 708 30 . . . 39928 709 1 Yet yet CC 39928 709 2 certain certain JJ 39928 709 3 definite definite JJ 39928 709 4 conclusions conclusion NNS 39928 709 5 have have VBP 39928 709 6 been be VBN 39928 709 7 reached reach VBN 39928 709 8 ; ; : 39928 709 9 and and CC 39928 709 10 the the DT 39928 709 11 agreement agreement NN 39928 709 12 of of IN 39928 709 13 many many JJ 39928 709 14 independent independent JJ 39928 709 15 observers observer NNS 39928 709 16 and and CC 39928 709 17 thinkers thinker NNS 39928 709 18 on on IN 39928 709 19 the the DT 39928 709 20 fundamental fundamental JJ 39928 709 21 principles principle NNS 39928 709 22 of of IN 39928 709 23 stellar stellar JJ 39928 709 24 evolution evolution NN 39928 709 25 seems seem VBZ 39928 709 26 to to TO 39928 709 27 assure assure VB 39928 709 28 us -PRON- PRP 39928 709 29 that that IN 39928 709 30 we -PRON- PRP 39928 709 31 are be VBP 39928 709 32 progressing progress VBG 39928 709 33 , , , 39928 709 34 if if IN 39928 709 35 slowly slowly RB 39928 709 36 yet yet RB 39928 709 37 with with IN 39928 709 38 some some DT 39928 709 39 established establish VBN 39928 709 40 basis basis NN 39928 709 41 of of IN 39928 709 42 truth truth NN 39928 709 43 , , , 39928 709 44 towards towards IN 39928 709 45 the the DT 39928 709 46 solution solution NN 39928 709 47 of of IN 39928 709 48 this this DT 39928 709 49 , , , 39928 709 50 the the DT 39928 709 51 most most RBS 39928 709 52 stupendous stupendous JJ 39928 709 53 scientific scientific JJ 39928 709 54 problem problem NN 39928 709 55 with with IN 39928 709 56 which which WDT 39928 709 57 the the DT 39928 709 58 human human JJ 39928 709 59 intellect intellect NN 39928 709 60 has have VBZ 39928 709 61 ever ever RB 39928 709 62 attempted attempt VBN 39928 709 63 to to TO 39928 709 64 grapple grapple VB 39928 709 65 . . . 39928 710 1 THE the DT 39928 710 2 UNITY unity NN 39928 710 3 OF of IN 39928 710 4 THE the DT 39928 710 5 STELLAR STELLAR NNP 39928 710 6 UNIVERSE UNIVERSE NNP 39928 710 7 During during IN 39928 710 8 the the DT 39928 710 9 latter latter JJ 39928 710 10 half half NN 39928 710 11 of of IN 39928 710 12 the the DT 39928 710 13 nineteenth nineteenth JJ 39928 710 14 century century NN 39928 710 15 the the DT 39928 710 16 opinion opinion NN 39928 710 17 of of IN 39928 710 18 astronomers astronomer NNS 39928 710 19 has have VBZ 39928 710 20 been be VBN 39928 710 21 tending tend VBG 39928 710 22 more more RBR 39928 710 23 and and CC 39928 710 24 more more JJR 39928 710 25 to to IN 39928 710 26 the the DT 39928 710 27 conception conception NN 39928 710 28 that that IN 39928 710 29 the the DT 39928 710 30 whole whole NN 39928 710 31 of of IN 39928 710 32 the the DT 39928 710 33 visible visible JJ 39928 710 34 universe universe NN 39928 710 35 of of IN 39928 710 36 stars star NNS 39928 710 37 and and CC 39928 710 38 nebulæ nebulæ NN 39928 710 39 constitutes constitute VBZ 39928 710 40 one one CD 39928 710 41 complete complete JJ 39928 710 42 and and CC 39928 710 43 closely closely RB 39928 710 44 - - HYPH 39928 710 45 related relate VBN 39928 710 46 system system NN 39928 710 47 ; ; : 39928 710 48 and and CC 39928 710 49 during during IN 39928 710 50 the the DT 39928 710 51 last last JJ 39928 710 52 thirty thirty CD 39928 710 53 years year NNS 39928 710 54 especially especially RB 39928 710 55 the the DT 39928 710 56 vast vast JJ 39928 710 57 body body NN 39928 710 58 of of IN 39928 710 59 facts fact NNS 39928 710 60 accumulated accumulate VBN 39928 710 61 by by IN 39928 710 62 stellar stellar JJ 39928 710 63 research research NN 39928 710 64 has have VBZ 39928 710 65 so so RB 39928 710 66 firmly firmly RB 39928 710 67 established establish VBN 39928 710 68 this this DT 39928 710 69 view view NN 39928 710 70 that that IN 39928 710 71 it -PRON- PRP 39928 710 72 is be VBZ 39928 710 73 now now RB 39928 710 74 hardly hardly RB 39928 710 75 questioned question VBN 39928 710 76 by by IN 39928 710 77 any any DT 39928 710 78 competent competent JJ 39928 710 79 authority authority NN 39928 710 80 . . . 39928 711 1 The the DT 39928 711 2 idea idea NN 39928 711 3 that that IN 39928 711 4 the the DT 39928 711 5 nebulæ nebulæ NN 39928 711 6 were be VBD 39928 711 7 far far RB 39928 711 8 more more RBR 39928 711 9 remote remote JJ 39928 711 10 from from IN 39928 711 11 us -PRON- PRP 39928 711 12 than than IN 39928 711 13 the the DT 39928 711 14 stars star NNS 39928 711 15 long long RB 39928 711 16 held hold VBN 39928 711 17 sway sway NN 39928 711 18 , , , 39928 711 19 even even RB 39928 711 20 after after IN 39928 711 21 it -PRON- PRP 39928 711 22 had have VBD 39928 711 23 been be VBN 39928 711 24 given give VBN 39928 711 25 up up RP 39928 711 26 by by IN 39928 711 27 its -PRON- PRP$ 39928 711 28 chief chief JJ 39928 711 29 supporter supporter NN 39928 711 30 . . . 39928 712 1 When when WRB 39928 712 2 Sir Sir NNP 39928 712 3 William William NNP 39928 712 4 Herschel Herschel NNP 39928 712 5 , , , 39928 712 6 by by IN 39928 712 7 means mean NNS 39928 712 8 of of IN 39928 712 9 his -PRON- PRP$ 39928 712 10 then then RB 39928 712 11 unapproached unapproached JJ 39928 712 12 telescopic telescopic JJ 39928 712 13 power power NN 39928 712 14 , , , 39928 712 15 resolved resolve VBD 39928 712 16 the the DT 39928 712 17 Milky Milky NNP 39928 712 18 Way Way NNP 39928 712 19 more more RBR 39928 712 20 or or CC 39928 712 21 less less RBR 39928 712 22 completely completely RB 39928 712 23 into into IN 39928 712 24 stars star NNS 39928 712 25 , , , 39928 712 26 and and CC 39928 712 27 showed show VBD 39928 712 28 that that IN 39928 712 29 numerous numerous JJ 39928 712 30 objects object NNS 39928 712 31 which which WDT 39928 712 32 had have VBD 39928 712 33 been be VBN 39928 712 34 classed class VBN 39928 712 35 as as IN 39928 712 36 nebulæ nebulæ NNS 39928 712 37 were be VBD 39928 712 38 really really RB 39928 712 39 clusters cluster NNS 39928 712 40 of of IN 39928 712 41 stars star NNS 39928 712 42 , , , 39928 712 43 it -PRON- PRP 39928 712 44 was be VBD 39928 712 45 natural natural JJ 39928 712 46 to to TO 39928 712 47 suppose suppose VB 39928 712 48 that that IN 39928 712 49 those those DT 39928 712 50 which which WDT 39928 712 51 still still RB 39928 712 52 retained retain VBD 39928 712 53 their -PRON- PRP$ 39928 712 54 cloudy cloudy JJ 39928 712 55 appearance appearance NN 39928 712 56 under under IN 39928 712 57 the the DT 39928 712 58 highest high JJS 39928 712 59 telescopic telescopic JJ 39928 712 60 powers power NNS 39928 712 61 were be VBD 39928 712 62 also also RB 39928 712 63 clusters cluster NNS 39928 712 64 or or CC 39928 712 65 systems system NNS 39928 712 66 of of IN 39928 712 67 stars star NNS 39928 712 68 , , , 39928 712 69 which which WDT 39928 712 70 only only RB 39928 712 71 needed need VBD 39928 712 72 still still RB 39928 712 73 higher high JJR 39928 712 74 powers power NNS 39928 712 75 to to TO 39928 712 76 show show VB 39928 712 77 their -PRON- PRP$ 39928 712 78 true true JJ 39928 712 79 nature nature NN 39928 712 80 . . . 39928 713 1 This this DT 39928 713 2 idea idea NN 39928 713 3 was be VBD 39928 713 4 supported support VBN 39928 713 5 by by IN 39928 713 6 the the DT 39928 713 7 fact fact NN 39928 713 8 that that IN 39928 713 9 several several JJ 39928 713 10 nebulæ nebulæ NN 39928 713 11 were be VBD 39928 713 12 found find VBN 39928 713 13 to to TO 39928 713 14 be be VB 39928 713 15 more more RBR 39928 713 16 or or CC 39928 713 17 less less RBR 39928 713 18 ring ring NN 39928 713 19 - - HYPH 39928 713 20 shaped shaped JJ 39928 713 21 , , , 39928 713 22 thus thus RB 39928 713 23 corresponding correspond VBG 39928 713 24 on on IN 39928 713 25 a a DT 39928 713 26 smaller small JJR 39928 713 27 scale scale NN 39928 713 28 to to IN 39928 713 29 the the DT 39928 713 30 form form NN 39928 713 31 of of IN 39928 713 32 the the DT 39928 713 33 Milky Milky NNP 39928 713 34 Way Way NNP 39928 713 35 ; ; : 39928 713 36 so so IN 39928 713 37 that that IN 39928 713 38 when when WRB 39928 713 39 Herschel Herschel NNP 39928 713 40 discovered discover VBD 39928 713 41 thousands thousand NNS 39928 713 42 of of IN 39928 713 43 telescopic telescopic NN 39928 713 44 nebulæ nebulæ NN 39928 713 45 , , , 39928 713 46 he -PRON- PRP 39928 713 47 was be VBD 39928 713 48 accustomed accustom VBN 39928 713 49 to to TO 39928 713 50 speak speak VB 39928 713 51 of of IN 39928 713 52 them -PRON- PRP 39928 713 53 as as IN 39928 713 54 so so RB 39928 713 55 many many JJ 39928 713 56 distinct distinct JJ 39928 713 57 universes universe NNS 39928 713 58 scattered scatter VBN 39928 713 59 through through IN 39928 713 60 the the DT 39928 713 61 immeasurable immeasurable JJ 39928 713 62 depths depth NNS 39928 713 63 of of IN 39928 713 64 space space NN 39928 713 65 . . . 39928 714 1 Now now RB 39928 714 2 , , , 39928 714 3 although although IN 39928 714 4 any any DT 39928 714 5 real real JJ 39928 714 6 conception conception NN 39928 714 7 of of IN 39928 714 8 the the DT 39928 714 9 immensity immensity NN 39928 714 10 of of IN 39928 714 11 the the DT 39928 714 12 one one CD 39928 714 13 stellar stellar JJ 39928 714 14 universe universe NN 39928 714 15 , , , 39928 714 16 of of IN 39928 714 17 which which WDT 39928 714 18 the the DT 39928 714 19 Milky Milky NNP 39928 714 20 Way Way NNP 39928 714 21 with with IN 39928 714 22 its -PRON- PRP$ 39928 714 23 associated associated JJ 39928 714 24 stars star NNS 39928 714 25 is be VBZ 39928 714 26 the the DT 39928 714 27 fundamental fundamental JJ 39928 714 28 feature feature NN 39928 714 29 , , , 39928 714 30 is be VBZ 39928 714 31 , , , 39928 714 32 as as IN 39928 714 33 I -PRON- PRP 39928 714 34 have have VBP 39928 714 35 shown show VBN 39928 714 36 , , , 39928 714 37 almost almost RB 39928 714 38 unattainable unattainable JJ 39928 714 39 , , , 39928 714 40 the the DT 39928 714 41 idea idea NN 39928 714 42 of of IN 39928 714 43 an an DT 39928 714 44 unlimited unlimited JJ 39928 714 45 number number NN 39928 714 46 of of IN 39928 714 47 other other JJ 39928 714 48 universes universe NNS 39928 714 49 , , , 39928 714 50 almost almost RB 39928 714 51 infinitely infinitely RB 39928 714 52 remote remote JJ 39928 714 53 from from IN 39928 714 54 our -PRON- PRP$ 39928 714 55 own own JJ 39928 714 56 and and CC 39928 714 57 yet yet RB 39928 714 58 distinctly distinctly RB 39928 714 59 visible visible JJ 39928 714 60 in in IN 39928 714 61 the the DT 39928 714 62 heavens heavens NNPS 39928 714 63 , , , 39928 714 64 so so RB 39928 714 65 seized seize VBN 39928 714 66 upon upon IN 39928 714 67 the the DT 39928 714 68 imagination imagination NN 39928 714 69 that that IN 39928 714 70 it -PRON- PRP 39928 714 71 became become VBD 39928 714 72 almost almost RB 39928 714 73 a a DT 39928 714 74 commonplace commonplace NN 39928 714 75 of of IN 39928 714 76 popular popular JJ 39928 714 77 astronomy astronomy NN 39928 714 78 and and CC 39928 714 79 was be VBD 39928 714 80 not not RB 39928 714 81 easily easily RB 39928 714 82 given give VBN 39928 714 83 up up RP 39928 714 84 even even RB 39928 714 85 by by IN 39928 714 86 astronomers astronomer NNS 39928 714 87 themselves -PRON- PRP 39928 714 88 . . . 39928 715 1 And and CC 39928 715 2 this this DT 39928 715 3 was be VBD 39928 715 4 in in IN 39928 715 5 a a DT 39928 715 6 large large JJ 39928 715 7 part part NN 39928 715 8 due due IN 39928 715 9 to to IN 39928 715 10 the the DT 39928 715 11 fact fact NN 39928 715 12 that that IN 39928 715 13 Sir Sir NNP 39928 715 14 William William NNP 39928 715 15 Herschel Herschel NNP 39928 715 16 's 's POS 39928 715 17 voluminous voluminous JJ 39928 715 18 writings writing NNS 39928 715 19 , , , 39928 715 20 being be VBG 39928 715 21 almost almost RB 39928 715 22 all all DT 39928 715 23 in in IN 39928 715 24 the the DT 39928 715 25 Philosophical Philosophical NNP 39928 715 26 Transactions Transactions NNPS 39928 715 27 of of IN 39928 715 28 the the DT 39928 715 29 Royal Royal NNP 39928 715 30 Society Society NNP 39928 715 31 , , , 39928 715 32 were be VBD 39928 715 33 very very RB 39928 715 34 little little JJ 39928 715 35 read read NN 39928 715 36 , , , 39928 715 37 and and CC 39928 715 38 that that IN 39928 715 39 he -PRON- PRP 39928 715 40 only only RB 39928 715 41 indicated indicate VBD 39928 715 42 his -PRON- PRP$ 39928 715 43 change change NN 39928 715 44 of of IN 39928 715 45 view view NN 39928 715 46 by by IN 39928 715 47 a a DT 39928 715 48 few few JJ 39928 715 49 brief brief JJ 39928 715 50 sentences sentence NNS 39928 715 51 which which WDT 39928 715 52 might may MD 39928 715 53 easily easily RB 39928 715 54 be be VB 39928 715 55 overlooked overlook VBN 39928 715 56 . . . 39928 716 1 The the DT 39928 716 2 late late JJ 39928 716 3 Mr. Mr. NNP 39928 716 4 Proctor Proctor NNP 39928 716 5 appears appear VBZ 39928 716 6 to to TO 39928 716 7 have have VB 39928 716 8 been be VBN 39928 716 9 the the DT 39928 716 10 first first JJ 39928 716 11 astronomer astronomer NN 39928 716 12 to to TO 39928 716 13 make make VB 39928 716 14 a a DT 39928 716 15 thorough thorough JJ 39928 716 16 study study NN 39928 716 17 of of IN 39928 716 18 the the DT 39928 716 19 whole whole NN 39928 716 20 of of IN 39928 716 21 Herschel Herschel NNP 39928 716 22 's 's POS 39928 716 23 papers paper NNS 39928 716 24 , , , 39928 716 25 and and CC 39928 716 26 he -PRON- PRP 39928 716 27 tells tell VBZ 39928 716 28 us -PRON- PRP 39928 716 29 that that IN 39928 716 30 he -PRON- PRP 39928 716 31 read read VBD 39928 716 32 them -PRON- PRP 39928 716 33 all all DT 39928 716 34 over over IN 39928 716 35 five five CD 39928 716 36 times time NNS 39928 716 37 before before IN 39928 716 38 he -PRON- PRP 39928 716 39 was be VBD 39928 716 40 able able JJ 39928 716 41 thoroughly thoroughly RB 39928 716 42 to to TO 39928 716 43 grasp grasp VB 39928 716 44 the the DT 39928 716 45 writer writer NN 39928 716 46 's 's POS 39928 716 47 views view NNS 39928 716 48 at at IN 39928 716 49 different different JJ 39928 716 50 periods period NNS 39928 716 51 . . . 39928 717 1 But but CC 39928 717 2 the the DT 39928 717 3 first first JJ 39928 717 4 person person NN 39928 717 5 to to TO 39928 717 6 point point VB 39928 717 7 out out RP 39928 717 8 the the DT 39928 717 9 real real JJ 39928 717 10 teaching teaching NN 39928 717 11 of of IN 39928 717 12 the the DT 39928 717 13 facts fact NNS 39928 717 14 as as IN 39928 717 15 to to IN 39928 717 16 the the DT 39928 717 17 distribution distribution NN 39928 717 18 of of IN 39928 717 19 the the DT 39928 717 20 nebulæ nebulæ NN 39928 717 21 was be VBD 39928 717 22 not not RB 39928 717 23 an an DT 39928 717 24 astronomer astronomer NN 39928 717 25 , , , 39928 717 26 but but CC 39928 717 27 our -PRON- PRP$ 39928 717 28 greatest great JJS 39928 717 29 philosophical philosophical JJ 39928 717 30 student student NN 39928 717 31 of of IN 39928 717 32 science science NN 39928 717 33 in in IN 39928 717 34 general general JJ 39928 717 35 , , , 39928 717 36 Herbert Herbert NNP 39928 717 37 Spencer Spencer NNP 39928 717 38 . . . 39928 718 1 In in IN 39928 718 2 a a DT 39928 718 3 remarkable remarkable JJ 39928 718 4 essay essay NN 39928 718 5 on on IN 39928 718 6 ' ' '' 39928 718 7 The the DT 39928 718 8 Nebular Nebular NNP 39928 718 9 Hypothesis Hypothesis NNP 39928 718 10 ' ' '' 39928 718 11 in in IN 39928 718 12 the the DT 39928 718 13 _ _ NNP 39928 718 14 Westminster Westminster NNP 39928 718 15 Review Review NNP 39928 718 16 _ _ NNP 39928 718 17 of of IN 39928 718 18 July July NNP 39928 718 19 , , , 39928 718 20 1858 1858 CD 39928 718 21 , , , 39928 718 22 he -PRON- PRP 39928 718 23 maintained maintain VBD 39928 718 24 that that IN 39928 718 25 the the DT 39928 718 26 nebulæ nebulæ NN 39928 718 27 really really RB 39928 718 28 formed form VBD 39928 718 29 a a DT 39928 718 30 part part NN 39928 718 31 of of IN 39928 718 32 our -PRON- PRP$ 39928 718 33 own own JJ 39928 718 34 Galaxy Galaxy NNP 39928 718 35 and and CC 39928 718 36 of of IN 39928 718 37 our -PRON- PRP$ 39928 718 38 own own JJ 39928 718 39 stellar stellar JJ 39928 718 40 universe universe NN 39928 718 41 . . . 39928 719 1 A a DT 39928 719 2 single single JJ 39928 719 3 passage passage NN 39928 719 4 from from IN 39928 719 5 his -PRON- PRP$ 39928 719 6 paper paper NN 39928 719 7 will will MD 39928 719 8 indicate indicate VB 39928 719 9 his -PRON- PRP$ 39928 719 10 line line NN 39928 719 11 of of IN 39928 719 12 argument argument NN 39928 719 13 , , , 39928 719 14 which which WDT 39928 719 15 , , , 39928 719 16 it -PRON- PRP 39928 719 17 may may MD 39928 719 18 be be VB 39928 719 19 added add VBN 39928 719 20 , , , 39928 719 21 had have VBD 39928 719 22 already already RB 39928 719 23 been be VBN 39928 719 24 partially partially RB 39928 719 25 set set VBN 39928 719 26 forth forth RP 39928 719 27 by by IN 39928 719 28 Sir Sir NNP 39928 719 29 John John NNP 39928 719 30 Herschel Herschel NNP 39928 719 31 in in IN 39928 719 32 his -PRON- PRP$ 39928 719 33 _ _ NNP 39928 719 34 Outlines Outlines NNP 39928 719 35 of of IN 39928 719 36 Astronomy Astronomy NNP 39928 719 37 _ _ NNP 39928 719 38 . . . 39928 720 1 ' ' `` 39928 720 2 If if IN 39928 720 3 there there EX 39928 720 4 were be VBD 39928 720 5 but but CC 39928 720 6 one one CD 39928 720 7 nebula nebula NN 39928 720 8 , , , 39928 720 9 it -PRON- PRP 39928 720 10 would would MD 39928 720 11 be be VB 39928 720 12 a a DT 39928 720 13 curious curious JJ 39928 720 14 coincidence coincidence NN 39928 720 15 were be VBD 39928 720 16 this this DT 39928 720 17 one one CD 39928 720 18 nebula nebula NN 39928 720 19 so so RB 39928 720 20 placed place VBN 39928 720 21 in in IN 39928 720 22 the the DT 39928 720 23 distant distant JJ 39928 720 24 regions region NNS 39928 720 25 of of IN 39928 720 26 space space NN 39928 720 27 as as IN 39928 720 28 to to TO 39928 720 29 agree agree VB 39928 720 30 in in IN 39928 720 31 direction direction NN 39928 720 32 with with IN 39928 720 33 a a DT 39928 720 34 starless starless NN 39928 720 35 spot spot NN 39928 720 36 in in IN 39928 720 37 our -PRON- PRP$ 39928 720 38 own own JJ 39928 720 39 sidereal sidereal JJ 39928 720 40 system system NN 39928 720 41 . . . 39928 721 1 If if IN 39928 721 2 there there EX 39928 721 3 were be VBD 39928 721 4 but but CC 39928 721 5 two two CD 39928 721 6 nebulæ nebulæ NN 39928 721 7 , , , 39928 721 8 and and CC 39928 721 9 both both DT 39928 721 10 were be VBD 39928 721 11 so so RB 39928 721 12 placed place VBN 39928 721 13 , , , 39928 721 14 the the DT 39928 721 15 coincidence coincidence NN 39928 721 16 would would MD 39928 721 17 be be VB 39928 721 18 excessively excessively RB 39928 721 19 strange strange JJ 39928 721 20 . . . 39928 722 1 What what WP 39928 722 2 , , , 39928 722 3 then then RB 39928 722 4 , , , 39928 722 5 shall shall MD 39928 722 6 we -PRON- PRP 39928 722 7 say say VB 39928 722 8 on on IN 39928 722 9 finding find VBG 39928 722 10 that that IN 39928 722 11 there there EX 39928 722 12 are be VBP 39928 722 13 thousands thousand NNS 39928 722 14 of of IN 39928 722 15 nebulæ nebulæ NN 39928 722 16 so so RB 39928 722 17 placed place VBN 39928 722 18 ? ? . 39928 723 1 Shall Shall MD 39928 723 2 we -PRON- PRP 39928 723 3 believe believe VB 39928 723 4 that that IN 39928 723 5 in in IN 39928 723 6 thousands thousand NNS 39928 723 7 of of IN 39928 723 8 cases case NNS 39928 723 9 these these DT 39928 723 10 far far RB 39928 723 11 - - HYPH 39928 723 12 removed remove VBN 39928 723 13 galaxies galaxy NNS 39928 723 14 happen happen VBP 39928 723 15 to to TO 39928 723 16 agree agree VB 39928 723 17 in in IN 39928 723 18 their -PRON- PRP$ 39928 723 19 visible visible JJ 39928 723 20 positions position NNS 39928 723 21 with with IN 39928 723 22 the the DT 39928 723 23 thin thin JJ 39928 723 24 places place NNS 39928 723 25 in in IN 39928 723 26 our -PRON- PRP$ 39928 723 27 own own JJ 39928 723 28 galaxy galaxy NN 39928 723 29 ? ? . 39928 724 1 Such such PDT 39928 724 2 a a DT 39928 724 3 belief belief NN 39928 724 4 is be VBZ 39928 724 5 impossible impossible JJ 39928 724 6 . . . 39928 724 7 ' ' '' 39928 725 1 He -PRON- PRP 39928 725 2 then then RB 39928 725 3 applies apply VBZ 39928 725 4 the the DT 39928 725 5 same same JJ 39928 725 6 argument argument NN 39928 725 7 to to IN 39928 725 8 the the DT 39928 725 9 distribution distribution NN 39928 725 10 of of IN 39928 725 11 the the DT 39928 725 12 nebulæ nebulæ NN 39928 725 13 as as IN 39928 725 14 a a DT 39928 725 15 whole:--'In whole:--'in CD 39928 725 16 that that DT 39928 725 17 zone zone NN 39928 725 18 of of IN 39928 725 19 celestial celestial JJ 39928 725 20 space space NN 39928 725 21 where where WRB 39928 725 22 stars star NNS 39928 725 23 are be VBP 39928 725 24 excessively excessively RB 39928 725 25 abundant abundant JJ 39928 725 26 , , , 39928 725 27 nebulæ nebulæ NNS 39928 725 28 are be VBP 39928 725 29 rare rare JJ 39928 725 30 , , , 39928 725 31 while while IN 39928 725 32 in in IN 39928 725 33 the the DT 39928 725 34 two two CD 39928 725 35 opposite opposite JJ 39928 725 36 celestial celestial JJ 39928 725 37 spaces space NNS 39928 725 38 that that WDT 39928 725 39 are be VBP 39928 725 40 farthest farthest RBS 39928 725 41 removed remove VBN 39928 725 42 from from IN 39928 725 43 this this DT 39928 725 44 zone zone NN 39928 725 45 , , , 39928 725 46 nebulæ nebulæ NNS 39928 725 47 are be VBP 39928 725 48 abundant abundant JJ 39928 725 49 . . . 39928 726 1 Scarcely scarcely RB 39928 726 2 any any DT 39928 726 3 nebulæ nebulæ NN 39928 726 4 lie lie VBP 39928 726 5 near near IN 39928 726 6 the the DT 39928 726 7 galactic galactic JJ 39928 726 8 circle circle NN 39928 726 9 ( ( -LRB- 39928 726 10 or or CC 39928 726 11 plane plane NN 39928 726 12 of of IN 39928 726 13 the the DT 39928 726 14 Milky Milky NNP 39928 726 15 Way Way NNP 39928 726 16 ) ) -RRB- 39928 726 17 ; ; : 39928 726 18 and and CC 39928 726 19 the the DT 39928 726 20 great great JJ 39928 726 21 mass mass NN 39928 726 22 of of IN 39928 726 23 them -PRON- PRP 39928 726 24 lie lie VBP 39928 726 25 round round IN 39928 726 26 the the DT 39928 726 27 galactic galactic JJ 39928 726 28 poles pole NNS 39928 726 29 . . . 39928 727 1 Can Can MD 39928 727 2 this this DT 39928 727 3 also also RB 39928 727 4 be be VB 39928 727 5 mere mere JJ 39928 727 6 coincidence coincidence NN 39928 727 7 ? ? . 39928 727 8 ' ' '' 39928 728 1 And and CC 39928 728 2 he -PRON- PRP 39928 728 3 concludes conclude VBZ 39928 728 4 , , , 39928 728 5 from from IN 39928 728 6 the the DT 39928 728 7 whole whole JJ 39928 728 8 mass mass NN 39928 728 9 of of IN 39928 728 10 the the DT 39928 728 11 evidence evidence NN 39928 728 12 , , , 39928 728 13 that that IN 39928 728 14 ' ' `` 39928 728 15 the the DT 39928 728 16 proofs proof NNS 39928 728 17 of of IN 39928 728 18 a a DT 39928 728 19 physical physical JJ 39928 728 20 connection connection NN 39928 728 21 become become VBP 39928 728 22 overwhelming overwhelming JJ 39928 728 23 . . . 39928 728 24 ' ' '' 39928 729 1 Nothing nothing NN 39928 729 2 could could MD 39928 729 3 be be VB 39928 729 4 more more RBR 39928 729 5 clear clear JJ 39928 729 6 or or CC 39928 729 7 more more RBR 39928 729 8 forcible forcible JJ 39928 729 9 ; ; : 39928 729 10 but but CC 39928 729 11 Spencer Spencer NNP 39928 729 12 not not RB 39928 729 13 being be VBG 39928 729 14 an an DT 39928 729 15 astronomer astronomer NN 39928 729 16 , , , 39928 729 17 and and CC 39928 729 18 writing write VBG 39928 729 19 in in RP 39928 729 20 a a DT 39928 729 21 comparatively comparatively RB 39928 729 22 little little JJ 39928 729 23 read read NN 39928 729 24 periodical periodical NNP 39928 729 25 , , , 39928 729 26 the the DT 39928 729 27 astronomical astronomical JJ 39928 729 28 world world NN 39928 729 29 hardly hardly RB 39928 729 30 noticed notice VBD 39928 729 31 him -PRON- PRP 39928 729 32 ; ; : 39928 729 33 and and CC 39928 729 34 it -PRON- PRP 39928 729 35 was be VBD 39928 729 36 from from IN 39928 729 37 ten ten CD 39928 729 38 to to IN 39928 729 39 fifteen fifteen CD 39928 729 40 years year NNS 39928 729 41 later later RB 39928 729 42 , , , 39928 729 43 when when WRB 39928 729 44 Mr. Mr. NNP 39928 729 45 R.A. R.A. NNP 39928 729 46 Proctor Proctor NNP 39928 729 47 , , , 39928 729 48 by by IN 39928 729 49 his -PRON- PRP$ 39928 729 50 laborious laborious JJ 39928 729 51 charts chart NNS 39928 729 52 and and CC 39928 729 53 his -PRON- PRP$ 39928 729 54 various various JJ 39928 729 55 papers paper NNS 39928 729 56 read read VBN 39928 729 57 before before IN 39928 729 58 the the DT 39928 729 59 Royal Royal NNP 39928 729 60 and and CC 39928 729 61 Royal Royal NNP 39928 729 62 Astronomical Astronomical NNP 39928 729 63 Societies Societies NNPS 39928 729 64 from from IN 39928 729 65 1869 1869 CD 39928 729 66 to to IN 39928 729 67 1875 1875 CD 39928 729 68 , , , 39928 729 69 compelled compel VBD 39928 729 70 the the DT 39928 729 71 attention attention NN 39928 729 72 of of IN 39928 729 73 the the DT 39928 729 74 scientific scientific JJ 39928 729 75 world world NN 39928 729 76 , , , 39928 729 77 and and CC 39928 729 78 thus thus RB 39928 729 79 did do VBD 39928 729 80 more more JJR 39928 729 81 perhaps perhaps RB 39928 729 82 than than IN 39928 729 83 any any DT 39928 729 84 other other JJ 39928 729 85 man man NN 39928 729 86 to to TO 39928 729 87 establish establish VB 39928 729 88 firmly firmly RB 39928 729 89 the the DT 39928 729 90 grand grand JJ 39928 729 91 and and CC 39928 729 92 far far RB 39928 729 93 - - HYPH 39928 729 94 reaching reach VBG 39928 729 95 principle principle NN 39928 729 96 of of IN 39928 729 97 the the DT 39928 729 98 essential essential JJ 39928 729 99 unity unity NN 39928 729 100 of of IN 39928 729 101 the the DT 39928 729 102 stellar stellar JJ 39928 729 103 universe universe NN 39928 729 104 , , , 39928 729 105 which which WDT 39928 729 106 is be VBZ 39928 729 107 now now RB 39928 729 108 accepted accept VBN 39928 729 109 by by IN 39928 729 110 almost almost RB 39928 729 111 every every DT 39928 729 112 astronomical astronomical JJ 39928 729 113 writer writer NN 39928 729 114 of of IN 39928 729 115 eminence eminence NN 39928 729 116 in in IN 39928 729 117 the the DT 39928 729 118 civilised civilised JJ 39928 729 119 world world NN 39928 729 120 . . . 39928 730 1 THE the DT 39928 730 2 EVOLUTION evolution NN 39928 730 3 OF of IN 39928 730 4 THE the DT 39928 730 5 STELLAR STELLAR NNP 39928 730 6 UNIVERSE universe NN 39928 730 7 Amid amid IN 39928 730 8 the the DT 39928 730 9 enormous enormous JJ 39928 730 10 mass mass NN 39928 730 11 of of IN 39928 730 12 observations observation NNS 39928 730 13 and and CC 39928 730 14 of of IN 39928 730 15 suggestive suggestive JJ 39928 730 16 speculation speculation NN 39928 730 17 upon upon IN 39928 730 18 this this DT 39928 730 19 great great JJ 39928 730 20 and and CC 39928 730 21 most most RBS 39928 730 22 interesting interesting JJ 39928 730 23 problem problem NN 39928 730 24 , , , 39928 730 25 it -PRON- PRP 39928 730 26 is be VBZ 39928 730 27 difficult difficult JJ 39928 730 28 to to TO 39928 730 29 select select VB 39928 730 30 what what WP 39928 730 31 is be VBZ 39928 730 32 most most RBS 39928 730 33 important important JJ 39928 730 34 and and CC 39928 730 35 most most RBS 39928 730 36 trustworthy trustworthy JJ 39928 730 37 . . . 39928 731 1 But but CC 39928 731 2 the the DT 39928 731 3 attempt attempt NN 39928 731 4 must must MD 39928 731 5 be be VB 39928 731 6 made make VBN 39928 731 7 , , , 39928 731 8 because because IN 39928 731 9 , , , 39928 731 10 unless unless IN 39928 731 11 my -PRON- PRP$ 39928 731 12 readers reader NNS 39928 731 13 have have VBP 39928 731 14 some some DT 39928 731 15 knowledge knowledge NN 39928 731 16 of of IN 39928 731 17 the the DT 39928 731 18 most most RBS 39928 731 19 important important JJ 39928 731 20 facts fact NNS 39928 731 21 bearing bear VBG 39928 731 22 upon upon IN 39928 731 23 it -PRON- PRP 39928 731 24 ( ( -LRB- 39928 731 25 besides besides IN 39928 731 26 those those DT 39928 731 27 already already RB 39928 731 28 set set VBN 39928 731 29 forth forth RB 39928 731 30 ) ) -RRB- 39928 731 31 , , , 39928 731 32 and and CC 39928 731 33 also also RB 39928 731 34 learn learn VB 39928 731 35 something something NN 39928 731 36 of of IN 39928 731 37 the the DT 39928 731 38 difficulties difficulty NNS 39928 731 39 that that WDT 39928 731 40 meet meet VBP 39928 731 41 the the DT 39928 731 42 inquirer inquirer NN 39928 731 43 into into IN 39928 731 44 causes cause NNS 39928 731 45 at at IN 39928 731 46 every every DT 39928 731 47 step step NN 39928 731 48 of of IN 39928 731 49 his -PRON- PRP$ 39928 731 50 way way NN 39928 731 51 , , , 39928 731 52 and and CC 39928 731 53 of of IN 39928 731 54 the the DT 39928 731 55 various various JJ 39928 731 56 ideas idea NNS 39928 731 57 and and CC 39928 731 58 suggestions suggestion NNS 39928 731 59 which which WDT 39928 731 60 have have VBP 39928 731 61 been be VBN 39928 731 62 put put VBN 39928 731 63 forth forth RB 39928 731 64 to to IN 39928 731 65 account account VB 39928 731 66 for for IN 39928 731 67 the the DT 39928 731 68 facts fact NNS 39928 731 69 and and CC 39928 731 70 to to TO 39928 731 71 overcome overcome VB 39928 731 72 the the DT 39928 731 73 difficulties difficulty NNS 39928 731 74 , , , 39928 731 75 they -PRON- PRP 39928 731 76 will will MD 39928 731 77 not not RB 39928 731 78 be be VB 39928 731 79 in in IN 39928 731 80 a a DT 39928 731 81 position position NN 39928 731 82 to to TO 39928 731 83 estimate estimate VB 39928 731 84 , , , 39928 731 85 however however RB 39928 731 86 imperfectly imperfectly RB 39928 731 87 , , , 39928 731 88 the the DT 39928 731 89 grandeur grandeur NN 39928 731 90 , , , 39928 731 91 the the DT 39928 731 92 marvel marvel NN 39928 731 93 , , , 39928 731 94 and and CC 39928 731 95 the the DT 39928 731 96 mystery mystery NN 39928 731 97 of of IN 39928 731 98 the the DT 39928 731 99 vast vast JJ 39928 731 100 and and CC 39928 731 101 highly highly RB 39928 731 102 complex complex JJ 39928 731 103 universe universe NN 39928 731 104 in in IN 39928 731 105 which which WDT 39928 731 106 we -PRON- PRP 39928 731 107 live live VBP 39928 731 108 and and CC 39928 731 109 of of IN 39928 731 110 which which WDT 39928 731 111 we -PRON- PRP 39928 731 112 are be VBP 39928 731 113 an an DT 39928 731 114 important important JJ 39928 731 115 , , , 39928 731 116 perhaps perhaps RB 39928 731 117 the the DT 39928 731 118 most most RBS 39928 731 119 important important JJ 39928 731 120 , , , 39928 731 121 if if IN 39928 731 122 not not RB 39928 731 123 the the DT 39928 731 124 only only JJ 39928 731 125 permanent permanent JJ 39928 731 126 outcome outcome NN 39928 731 127 . . . 39928 732 1 THE the DT 39928 732 2 SUN SUN NNP 39928 732 3 A A NNP 39928 732 4 TYPICAL TYPICAL NNP 39928 732 5 STAR STAR NNP 39928 732 6 It -PRON- PRP 39928 732 7 being be VBG 39928 732 8 now now RB 39928 732 9 a a DT 39928 732 10 recognised recognise VBN 39928 732 11 fact fact NN 39928 732 12 that that IN 39928 732 13 the the DT 39928 732 14 stars star NNS 39928 732 15 are be VBP 39928 732 16 suns sun NNS 39928 732 17 , , , 39928 732 18 some some DT 39928 732 19 knowledge knowledge NN 39928 732 20 of of IN 39928 732 21 our -PRON- PRP$ 39928 732 22 own own JJ 39928 732 23 sun sun NN 39928 732 24 is be VBZ 39928 732 25 an an DT 39928 732 26 essential essential JJ 39928 732 27 preliminary preliminary NN 39928 732 28 to to IN 39928 732 29 an an DT 39928 732 30 inquiry inquiry NN 39928 732 31 into into IN 39928 732 32 their -PRON- PRP$ 39928 732 33 nature nature NN 39928 732 34 , , , 39928 732 35 and and CC 39928 732 36 into into IN 39928 732 37 the the DT 39928 732 38 probable probable JJ 39928 732 39 changes change NNS 39928 732 40 they -PRON- PRP 39928 732 41 have have VBP 39928 732 42 undergone undergo VBN 39928 732 43 . . . 39928 733 1 The the DT 39928 733 2 fact fact NN 39928 733 3 that that IN 39928 733 4 the the DT 39928 733 5 sun sun NN 39928 733 6 's 's POS 39928 733 7 density density NN 39928 733 8 is be VBZ 39928 733 9 only only RB 39928 733 10 one one CD 39928 733 11 - - HYPH 39928 733 12 fourth fourth NN 39928 733 13 that that DT 39928 733 14 of of IN 39928 733 15 the the DT 39928 733 16 earth earth NN 39928 733 17 , , , 39928 733 18 or or CC 39928 733 19 less less JJR 39928 733 20 than than IN 39928 733 21 one one CD 39928 733 22 and and CC 39928 733 23 a a DT 39928 733 24 half half NN 39928 733 25 times time NNS 39928 733 26 that that DT 39928 733 27 of of IN 39928 733 28 water water NN 39928 733 29 , , , 39928 733 30 demonstrates demonstrate VBZ 39928 733 31 that that IN 39928 733 32 it -PRON- PRP 39928 733 33 can can MD 39928 733 34 not not RB 39928 733 35 be be VB 39928 733 36 solid solid JJ 39928 733 37 , , , 39928 733 38 since since IN 39928 733 39 the the DT 39928 733 40 force force NN 39928 733 41 of of IN 39928 733 42 gravity gravity NN 39928 733 43 at at IN 39928 733 44 its -PRON- PRP$ 39928 733 45 surface surface NN 39928 733 46 being be VBG 39928 733 47 twenty twenty CD 39928 733 48 - - HYPH 39928 733 49 six six CD 39928 733 50 and and CC 39928 733 51 a a DT 39928 733 52 half half NN 39928 733 53 times time NNS 39928 733 54 that that IN 39928 733 55 at at IN 39928 733 56 the the DT 39928 733 57 earth earth NN 39928 733 58 's 's POS 39928 733 59 surface surface NN 39928 733 60 , , , 39928 733 61 the the DT 39928 733 62 materials material NNS 39928 733 63 of of IN 39928 733 64 a a DT 39928 733 65 solid solid JJ 39928 733 66 globe globe NN 39928 733 67 would would MD 39928 733 68 be be VB 39928 733 69 so so RB 39928 733 70 compressed compress VBN 39928 733 71 that that IN 39928 733 72 the the DT 39928 733 73 resulting result VBG 39928 733 74 density density NN 39928 733 75 would would MD 39928 733 76 be be VB 39928 733 77 at at IN 39928 733 78 least least RBS 39928 733 79 twenty twenty CD 39928 733 80 times time NNS 39928 733 81 greater great JJR 39928 733 82 instead instead RB 39928 733 83 of of IN 39928 733 84 four four CD 39928 733 85 times time NNS 39928 733 86 less less JJR 39928 733 87 than than IN 39928 733 88 that that DT 39928 733 89 of of IN 39928 733 90 the the DT 39928 733 91 earth earth NN 39928 733 92 . . . 39928 734 1 All all PDT 39928 734 2 the the DT 39928 734 3 evidence evidence NN 39928 734 4 goes go VBZ 39928 734 5 to to TO 39928 734 6 show show VB 39928 734 7 that that IN 39928 734 8 the the DT 39928 734 9 body body NN 39928 734 10 of of IN 39928 734 11 the the DT 39928 734 12 sun sun NN 39928 734 13 is be VBZ 39928 734 14 really really RB 39928 734 15 gaseous gaseous JJ 39928 734 16 , , , 39928 734 17 but but CC 39928 734 18 so so RB 39928 734 19 compressed compress VBN 39928 734 20 by by IN 39928 734 21 its -PRON- PRP$ 39928 734 22 gravitative gravitative JJ 39928 734 23 force force NN 39928 734 24 as as IN 39928 734 25 to to TO 39928 734 26 behave behave VB 39928 734 27 more more JJR 39928 734 28 like like IN 39928 734 29 a a DT 39928 734 30 liquid liquid NN 39928 734 31 . . . 39928 735 1 A a DT 39928 735 2 few few JJ 39928 735 3 figures figure NNS 39928 735 4 as as IN 39928 735 5 to to IN 39928 735 6 the the DT 39928 735 7 vast vast JJ 39928 735 8 dimensions dimension NNS 39928 735 9 of of IN 39928 735 10 the the DT 39928 735 11 sun sun NN 39928 735 12 and and CC 39928 735 13 the the DT 39928 735 14 amount amount NN 39928 735 15 of of IN 39928 735 16 light light NN 39928 735 17 and and CC 39928 735 18 heat heat NN 39928 735 19 emitted emit VBN 39928 735 20 by by IN 39928 735 21 it -PRON- PRP 39928 735 22 will will MD 39928 735 23 enable enable VB 39928 735 24 us -PRON- PRP 39928 735 25 better well RBR 39928 735 26 to to TO 39928 735 27 understand understand VB 39928 735 28 the the DT 39928 735 29 phenomena phenomenon NNS 39928 735 30 it -PRON- PRP 39928 735 31 presents present VBZ 39928 735 32 , , , 39928 735 33 and and CC 39928 735 34 the the DT 39928 735 35 interpretation interpretation NN 39928 735 36 of of IN 39928 735 37 those those DT 39928 735 38 phenomena phenomenon NNS 39928 735 39 . . . 39928 736 1 Proctor proctor NN 39928 736 2 estimated estimate VBD 39928 736 3 that that IN 39928 736 4 each each DT 39928 736 5 square square JJ 39928 736 6 inch inch NN 39928 736 7 of of IN 39928 736 8 the the DT 39928 736 9 sun sun NN 39928 736 10 's 's POS 39928 736 11 surface surface NN 39928 736 12 emitted emit VBD 39928 736 13 as as RB 39928 736 14 much much JJ 39928 736 15 light light NN 39928 736 16 as as IN 39928 736 17 twenty twenty CD 39928 736 18 - - HYPH 39928 736 19 five five CD 39928 736 20 electric electric JJ 39928 736 21 arcs arc NNS 39928 736 22 ; ; : 39928 736 23 and and CC 39928 736 24 Professor Professor NNP 39928 736 25 Langley Langley NNP 39928 736 26 has have VBZ 39928 736 27 shown show VBN 39928 736 28 by by IN 39928 736 29 experiment experiment NN 39928 736 30 that that IN 39928 736 31 the the DT 39928 736 32 sun sun NN 39928 736 33 is be VBZ 39928 736 34 5300 5300 CD 39928 736 35 times time NNS 39928 736 36 brighter bright JJR 39928 736 37 , , , 39928 736 38 and and CC 39928 736 39 eighty eighty CD 39928 736 40 - - HYPH 39928 736 41 seven seven CD 39928 736 42 times time NNS 39928 736 43 hotter hot JJR 39928 736 44 than than IN 39928 736 45 the the DT 39928 736 46 white white JJ 39928 736 47 - - HYPH 39928 736 48 hot hot JJ 39928 736 49 metal metal NN 39928 736 50 in in IN 39928 736 51 a a DT 39928 736 52 Bessemer Bessemer NNP 39928 736 53 converter converter NN 39928 736 54 . . . 39928 737 1 The the DT 39928 737 2 actual actual JJ 39928 737 3 amount amount NN 39928 737 4 of of IN 39928 737 5 solar solar JJ 39928 737 6 heat heat NN 39928 737 7 received receive VBN 39928 737 8 by by IN 39928 737 9 the the DT 39928 737 10 earth earth NN 39928 737 11 is be VBZ 39928 737 12 sufficient sufficient JJ 39928 737 13 , , , 39928 737 14 if if IN 39928 737 15 wholly wholly RB 39928 737 16 utilised utilise VBN 39928 737 17 , , , 39928 737 18 to to TO 39928 737 19 keep keep VB 39928 737 20 a a DT 39928 737 21 three three CD 39928 737 22 - - HYPH 39928 737 23 horse horse NN 39928 737 24 - - HYPH 39928 737 25 power power NN 39928 737 26 engine engine NN 39928 737 27 continually continually RB 39928 737 28 at at IN 39928 737 29 work work NN 39928 737 30 on on IN 39928 737 31 every every DT 39928 737 32 square square JJ 39928 737 33 yard yard NN 39928 737 34 of of IN 39928 737 35 the the DT 39928 737 36 surface surface NN 39928 737 37 of of IN 39928 737 38 our -PRON- PRP$ 39928 737 39 globe globe NN 39928 737 40 . . . 39928 738 1 The the DT 39928 738 2 size size NN 39928 738 3 of of IN 39928 738 4 the the DT 39928 738 5 sun sun NN 39928 738 6 is be VBZ 39928 738 7 such such JJ 39928 738 8 , , , 39928 738 9 that that IN 39928 738 10 if if IN 39928 738 11 the the DT 39928 738 12 earth earth NN 39928 738 13 were be VBD 39928 738 14 at at IN 39928 738 15 its -PRON- PRP$ 39928 738 16 centre centre NN 39928 738 17 , , , 39928 738 18 not not RB 39928 738 19 only only RB 39928 738 20 would would MD 39928 738 21 there there EX 39928 738 22 be be VB 39928 738 23 ample ample JJ 39928 738 24 space space NN 39928 738 25 for for IN 39928 738 26 the the DT 39928 738 27 moon moon NN 39928 738 28 's 's POS 39928 738 29 orbit orbit NN 39928 738 30 , , , 39928 738 31 but but CC 39928 738 32 sufficient sufficient JJ 39928 738 33 for for IN 39928 738 34 another another DT 39928 738 35 satellite satellite NN 39928 738 36 190,000 190,000 CD 39928 738 37 miles mile NNS 39928 738 38 beyond beyond IN 39928 738 39 the the DT 39928 738 40 moon moon NN 39928 738 41 , , , 39928 738 42 all all DT 39928 738 43 revolving revolve VBG 39928 738 44 inside inside IN 39928 738 45 the the DT 39928 738 46 sun sun NN 39928 738 47 . . . 39928 739 1 The the DT 39928 739 2 mass mass NN 39928 739 3 of of IN 39928 739 4 matter matter NN 39928 739 5 in in IN 39928 739 6 the the DT 39928 739 7 sun sun NN 39928 739 8 is be VBZ 39928 739 9 745 745 CD 39928 739 10 times time NNS 39928 739 11 greater great JJR 39928 739 12 than than IN 39928 739 13 that that DT 39928 739 14 of of IN 39928 739 15 all all PDT 39928 739 16 the the DT 39928 739 17 planets planet NNS 39928 739 18 combined combine VBN 39928 739 19 ; ; : 39928 739 20 hence hence RB 39928 739 21 the the DT 39928 739 22 powerful powerful JJ 39928 739 23 gravitative gravitative JJ 39928 739 24 force force NN 39928 739 25 by by IN 39928 739 26 which which WDT 39928 739 27 they -PRON- PRP 39928 739 28 are be VBP 39928 739 29 retained retain VBN 39928 739 30 in in IN 39928 739 31 their -PRON- PRP$ 39928 739 32 distant distant JJ 39928 739 33 orbits orbit NNS 39928 739 34 . . . 39928 740 1 What what WP 39928 740 2 we -PRON- PRP 39928 740 3 see see VBP 39928 740 4 as as IN 39928 740 5 the the DT 39928 740 6 sun sun NN 39928 740 7 's 's POS 39928 740 8 surface surface NN 39928 740 9 is be VBZ 39928 740 10 the the DT 39928 740 11 photosphere photosphere JJ 39928 740 12 or or CC 39928 740 13 outer outer JJ 39928 740 14 layer layer NN 39928 740 15 of of IN 39928 740 16 gaseous gaseous JJ 39928 740 17 or or CC 39928 740 18 partially partially RB 39928 740 19 liquid liquid JJ 39928 740 20 matter matter NN 39928 740 21 kept keep VBD 39928 740 22 at at IN 39928 740 23 a a DT 39928 740 24 definite definite JJ 39928 740 25 level level NN 39928 740 26 by by IN 39928 740 27 the the DT 39928 740 28 power power NN 39928 740 29 of of IN 39928 740 30 gravitation gravitation NN 39928 740 31 . . . 39928 741 1 The the DT 39928 741 2 photosphere photosphere NN 39928 741 3 has have VBZ 39928 741 4 a a DT 39928 741 5 granular granular JJ 39928 741 6 texture texture NN 39928 741 7 implying imply VBG 39928 741 8 some some DT 39928 741 9 diversity diversity NN 39928 741 10 of of IN 39928 741 11 surface surface NN 39928 741 12 or or CC 39928 741 13 of of IN 39928 741 14 luminosity luminosity NN 39928 741 15 ; ; : 39928 741 16 although although IN 39928 741 17 the the DT 39928 741 18 even even JJ 39928 741 19 contour contour NN 39928 741 20 of of IN 39928 741 21 the the DT 39928 741 22 sun sun NN 39928 741 23 's 's POS 39928 741 24 margin margin NN 39928 741 25 shows show VBZ 39928 741 26 that that IN 39928 741 27 these these DT 39928 741 28 irregularities irregularity NNS 39928 741 29 are be VBP 39928 741 30 not not RB 39928 741 31 on on IN 39928 741 32 a a DT 39928 741 33 very very RB 39928 741 34 large large JJ 39928 741 35 scale scale NN 39928 741 36 . . . 39928 742 1 This this DT 39928 742 2 surface surface NN 39928 742 3 is be VBZ 39928 742 4 apparently apparently RB 39928 742 5 rent rent NN 39928 742 6 asunder asunder RB 39928 742 7 by by IN 39928 742 8 what what WP 39928 742 9 are be VBP 39928 742 10 termed term VBN 39928 742 11 sun sun NN 39928 742 12 - - HYPH 39928 742 13 spots spot NNS 39928 742 14 , , , 39928 742 15 which which WDT 39928 742 16 were be VBD 39928 742 17 long long RB 39928 742 18 supposed suppose VBN 39928 742 19 to to TO 39928 742 20 be be VB 39928 742 21 cavities cavity NNS 39928 742 22 , , , 39928 742 23 showing show VBG 39928 742 24 a a DT 39928 742 25 dark dark JJ 39928 742 26 interior interior NN 39928 742 27 ; ; : 39928 742 28 but but CC 39928 742 29 are be VBP 39928 742 30 now now RB 39928 742 31 thought think VBN 39928 742 32 to to TO 39928 742 33 be be VB 39928 742 34 due due IN 39928 742 35 to to IN 39928 742 36 downpours downpour NNS 39928 742 37 of of IN 39928 742 38 cooled cool VBN 39928 742 39 materials material NNS 39928 742 40 driven drive VBN 39928 742 41 out out RP 39928 742 42 from from IN 39928 742 43 the the DT 39928 742 44 sun sun NN 39928 742 45 , , , 39928 742 46 and and CC 39928 742 47 forming form VBG 39928 742 48 the the DT 39928 742 49 prominences prominence NNS 39928 742 50 seen see VBN 39928 742 51 during during IN 39928 742 52 solar solar JJ 39928 742 53 eclipses eclipse NNS 39928 742 54 . . . 39928 743 1 They -PRON- PRP 39928 743 2 appear appear VBP 39928 743 3 to to TO 39928 743 4 be be VB 39928 743 5 black black JJ 39928 743 6 , , , 39928 743 7 but but CC 39928 743 8 around around IN 39928 743 9 their -PRON- PRP$ 39928 743 10 margin margin NN 39928 743 11 is be VBZ 39928 743 12 a a DT 39928 743 13 shaded shaded JJ 39928 743 14 border border NN 39928 743 15 or or CC 39928 743 16 penumbra penumbra NN 39928 743 17 formed form VBN 39928 743 18 of of IN 39928 743 19 elongated elongated JJ 39928 743 20 shining shine VBG 39928 743 21 patches patch NNS 39928 743 22 crossing cross VBG 39928 743 23 and and CC 39928 743 24 over over IN 39928 743 25 - - HYPH 39928 743 26 lapping lapping NN 39928 743 27 , , , 39928 743 28 something something NN 39928 743 29 like like IN 39928 743 30 heaps heap NNS 39928 743 31 of of IN 39928 743 32 straw straw NN 39928 743 33 . . . 39928 744 1 Sometimes sometimes RB 39928 744 2 brilliant brilliant JJ 39928 744 3 portions portion NNS 39928 744 4 overhang overhang VBP 39928 744 5 the the DT 39928 744 6 dark dark JJ 39928 744 7 spots spot NNS 39928 744 8 , , , 39928 744 9 and and CC 39928 744 10 often often RB 39928 744 11 completely completely RB 39928 744 12 bridge bridge VBP 39928 744 13 them -PRON- PRP 39928 744 14 over over RP 39928 744 15 ; ; : 39928 744 16 and and CC 39928 744 17 similar similar JJ 39928 744 18 patches patch NNS 39928 744 19 , , , 39928 744 20 called call VBN 39928 744 21 faculæ faculæ NNP 39928 744 22 , , , 39928 744 23 accompany accompany NN 39928 744 24 spots spot NNS 39928 744 25 , , , 39928 744 26 and and CC 39928 744 27 in in IN 39928 744 28 some some DT 39928 744 29 cases case NNS 39928 744 30 almost almost RB 39928 744 31 surround surround VBP 39928 744 32 them -PRON- PRP 39928 744 33 . . . 39928 745 1 Sun Sun NNP 39928 745 2 - - HYPH 39928 745 3 spots spot NNS 39928 745 4 are be VBP 39928 745 5 sometimes sometimes RB 39928 745 6 numerous numerous JJ 39928 745 7 on on IN 39928 745 8 the the DT 39928 745 9 sun sun NN 39928 745 10 's 's POS 39928 745 11 disc disc NN 39928 745 12 , , , 39928 745 13 sometimes sometimes RB 39928 745 14 very very RB 39928 745 15 few few JJ 39928 745 16 , , , 39928 745 17 and and CC 39928 745 18 they -PRON- PRP 39928 745 19 are be VBP 39928 745 20 of of IN 39928 745 21 such such JJ 39928 745 22 enormous enormous JJ 39928 745 23 size size NN 39928 745 24 that that WDT 39928 745 25 when when WRB 39928 745 26 present present JJ 39928 745 27 they -PRON- PRP 39928 745 28 can can MD 39928 745 29 easily easily RB 39928 745 30 be be VB 39928 745 31 seen see VBN 39928 745 32 with with IN 39928 745 33 the the DT 39928 745 34 naked naked JJ 39928 745 35 eye eye NN 39928 745 36 , , , 39928 745 37 protected protect VBN 39928 745 38 by by IN 39928 745 39 a a DT 39928 745 40 piece piece NN 39928 745 41 of of IN 39928 745 42 smoked smoke VBN 39928 745 43 glass glass NN 39928 745 44 ; ; : 39928 745 45 or or CC 39928 745 46 , , , 39928 745 47 better well RBR 39928 745 48 still still RB 39928 745 49 , , , 39928 745 50 with with IN 39928 745 51 an an DT 39928 745 52 ordinary ordinary JJ 39928 745 53 opera opera NN 39928 745 54 - - HYPH 39928 745 55 glass glass NN 39928 745 56 similarly similarly RB 39928 745 57 protected protect VBN 39928 745 58 . . . 39928 746 1 They -PRON- PRP 39928 746 2 are be VBP 39928 746 3 found find VBN 39928 746 4 to to TO 39928 746 5 increase increase VB 39928 746 6 in in IN 39928 746 7 number number NN 39928 746 8 for for IN 39928 746 9 several several JJ 39928 746 10 years year NNS 39928 746 11 , , , 39928 746 12 and and CC 39928 746 13 then then RB 39928 746 14 to to TO 39928 746 15 decrease decrease VB 39928 746 16 ; ; : 39928 746 17 the the DT 39928 746 18 maxima maxima NNP 39928 746 19 recurring recur VBG 39928 746 20 after after IN 39928 746 21 an an DT 39928 746 22 average average JJ 39928 746 23 period period NN 39928 746 24 of of IN 39928 746 25 eleven eleven CD 39928 746 26 years year NNS 39928 746 27 , , , 39928 746 28 but but CC 39928 746 29 with with IN 39928 746 30 no no DT 39928 746 31 exactness exactness NN 39928 746 32 , , , 39928 746 33 since since IN 39928 746 34 the the DT 39928 746 35 interval interval NN 39928 746 36 between between IN 39928 746 37 two two CD 39928 746 38 maxima maxima NNP 39928 746 39 or or CC 39928 746 40 minima minima NNP 39928 746 41 is be VBZ 39928 746 42 sometimes sometimes RB 39928 746 43 only only RB 39928 746 44 nine nine CD 39928 746 45 and and CC 39928 746 46 sometimes sometimes RB 39928 746 47 as as RB 39928 746 48 much much JJ 39928 746 49 as as IN 39928 746 50 thirteen thirteen CD 39928 746 51 years year NNS 39928 746 52 ; ; : 39928 746 53 while while IN 39928 746 54 the the DT 39928 746 55 minima minima NNP 39928 746 56 do do VBP 39928 746 57 not not RB 39928 746 58 occur occur VB 39928 746 59 midway midway RB 39928 746 60 between between IN 39928 746 61 two two CD 39928 746 62 maxima maxima NN 39928 746 63 , , , 39928 746 64 but but CC 39928 746 65 much much JJ 39928 746 66 nearer nearer NN 39928 746 67 to to IN 39928 746 68 the the DT 39928 746 69 succeeding succeeding NN 39928 746 70 than than IN 39928 746 71 to to IN 39928 746 72 the the DT 39928 746 73 preceding precede VBG 39928 746 74 one one CD 39928 746 75 . . . 39928 747 1 What what WP 39928 747 2 is be VBZ 39928 747 3 more more RBR 39928 747 4 interesting interesting JJ 39928 747 5 is be VBZ 39928 747 6 , , , 39928 747 7 that that IN 39928 747 8 variations variation NNS 39928 747 9 in in IN 39928 747 10 terrestrial terrestrial JJ 39928 747 11 magnetism magnetism NN 39928 747 12 follow follow VBP 39928 747 13 them -PRON- PRP 39928 747 14 with with IN 39928 747 15 great great JJ 39928 747 16 accuracy accuracy NN 39928 747 17 ; ; : 39928 747 18 while while IN 39928 747 19 violent violent JJ 39928 747 20 commotions commotion NNS 39928 747 21 in in IN 39928 747 22 the the DT 39928 747 23 sun sun NN 39928 747 24 , , , 39928 747 25 indicated indicate VBN 39928 747 26 by by IN 39928 747 27 the the DT 39928 747 28 sudden sudden JJ 39928 747 29 appearance appearance NN 39928 747 30 of of IN 39928 747 31 faculæ faculæ NN 39928 747 32 , , , 39928 747 33 sun sun NN 39928 747 34 - - HYPH 39928 747 35 spots spot NNS 39928 747 36 , , , 39928 747 37 or or CC 39928 747 38 prominences prominence NNS 39928 747 39 on on IN 39928 747 40 the the DT 39928 747 41 sun sun NN 39928 747 42 's 's POS 39928 747 43 limb limb NN 39928 747 44 , , , 39928 747 45 are be VBP 39928 747 46 always always RB 39928 747 47 accompanied accompany VBN 39928 747 48 by by IN 39928 747 49 magnetic magnetic JJ 39928 747 50 disturbances disturbance NNS 39928 747 51 on on IN 39928 747 52 the the DT 39928 747 53 earth earth NN 39928 747 54 . . . 39928 748 1 WHAT what WP 39928 748 2 SURROUNDS surround VBZ 39928 748 3 THE the DT 39928 748 4 SUN sun NN 39928 748 5 It -PRON- PRP 39928 748 6 has have VBZ 39928 748 7 been be VBN 39928 748 8 well well RB 39928 748 9 said say VBN 39928 748 10 that that IN 39928 748 11 what what WP 39928 748 12 we -PRON- PRP 39928 748 13 commonly commonly RB 39928 748 14 term term VBP 39928 748 15 the the DT 39928 748 16 sun sun NN 39928 748 17 is be VBZ 39928 748 18 really really RB 39928 748 19 the the DT 39928 748 20 bright bright JJ 39928 748 21 spherical spherical JJ 39928 748 22 nucleus nucleus NN 39928 748 23 of of IN 39928 748 24 a a DT 39928 748 25 nebulous nebulous JJ 39928 748 26 body body NN 39928 748 27 . . . 39928 749 1 This this DT 39928 749 2 nucleus nucleus NN 39928 749 3 consists consist VBZ 39928 749 4 of of IN 39928 749 5 matter matter NN 39928 749 6 in in IN 39928 749 7 the the DT 39928 749 8 gaseous gaseous JJ 39928 749 9 state state NN 39928 749 10 , , , 39928 749 11 but but CC 39928 749 12 so so RB 39928 749 13 compressed compress VBD 39928 749 14 as as IN 39928 749 15 to to TO 39928 749 16 resemble resemble VB 39928 749 17 a a DT 39928 749 18 liquid liquid NN 39928 749 19 or or CC 39928 749 20 even even RB 39928 749 21 a a DT 39928 749 22 viscous viscous JJ 39928 749 23 fluid fluid NN 39928 749 24 . . . 39928 750 1 About about RB 39928 750 2 forty forty CD 39928 750 3 of of IN 39928 750 4 the the DT 39928 750 5 elements element NNS 39928 750 6 have have VBP 39928 750 7 been be VBN 39928 750 8 detected detect VBN 39928 750 9 in in IN 39928 750 10 the the DT 39928 750 11 sun sun NN 39928 750 12 by by IN 39928 750 13 means mean NNS 39928 750 14 of of IN 39928 750 15 the the DT 39928 750 16 dark dark JJ 39928 750 17 lines line NNS 39928 750 18 in in IN 39928 750 19 its -PRON- PRP$ 39928 750 20 spectrum spectrum NN 39928 750 21 , , , 39928 750 22 but but CC 39928 750 23 it -PRON- PRP 39928 750 24 is be VBZ 39928 750 25 almost almost RB 39928 750 26 certain certain JJ 39928 750 27 that that IN 39928 750 28 all all PDT 39928 750 29 the the DT 39928 750 30 elements element NNS 39928 750 31 , , , 39928 750 32 in in IN 39928 750 33 some some DT 39928 750 34 form form NN 39928 750 35 or or CC 39928 750 36 other other JJ 39928 750 37 , , , 39928 750 38 exist exist VB 39928 750 39 there there RB 39928 750 40 . . . 39928 751 1 This this DT 39928 751 2 semi semi JJ 39928 751 3 - - JJ 39928 751 4 liquid liquid JJ 39928 751 5 glowing glowing NN 39928 751 6 surface surface NN 39928 751 7 is be VBZ 39928 751 8 termed term VBN 39928 751 9 the the DT 39928 751 10 photosphere photosphere NN 39928 751 11 , , , 39928 751 12 since since IN 39928 751 13 from from IN 39928 751 14 it -PRON- PRP 39928 751 15 are be VBP 39928 751 16 given give VBN 39928 751 17 out out RP 39928 751 18 the the DT 39928 751 19 light light NN 39928 751 20 and and CC 39928 751 21 heat heat NN 39928 751 22 which which WDT 39928 751 23 reach reach VBP 39928 751 24 our -PRON- PRP$ 39928 751 25 earth earth NN 39928 751 26 . . . 39928 752 1 Immediately immediately RB 39928 752 2 above above IN 39928 752 3 this this DT 39928 752 4 luminous luminous JJ 39928 752 5 surface surface NN 39928 752 6 is be VBZ 39928 752 7 what what WP 39928 752 8 is be VBZ 39928 752 9 termed term VBN 39928 752 10 the the DT 39928 752 11 ' ' `` 39928 752 12 reversing reversing NN 39928 752 13 layer layer NN 39928 752 14 ' ' '' 39928 752 15 or or CC 39928 752 16 absorbing absorb VBG 39928 752 17 layer layer NN 39928 752 18 , , , 39928 752 19 consisting consist VBG 39928 752 20 of of IN 39928 752 21 dense dense JJ 39928 752 22 metallic metallic JJ 39928 752 23 vapours vapour NNS 39928 752 24 only only RB 39928 752 25 a a DT 39928 752 26 few few JJ 39928 752 27 hundred hundred CD 39928 752 28 miles mile NNS 39928 752 29 thick thick JJ 39928 752 30 , , , 39928 752 31 and and CC 39928 752 32 , , , 39928 752 33 though though IN 39928 752 34 glowing glow VBG 39928 752 35 , , , 39928 752 36 somewhat somewhat RB 39928 752 37 cooler cool JJR 39928 752 38 than than IN 39928 752 39 the the DT 39928 752 40 surface surface NN 39928 752 41 of of IN 39928 752 42 the the DT 39928 752 43 photosphere photosphere NN 39928 752 44 . . . 39928 753 1 Its -PRON- PRP$ 39928 753 2 spectrum spectrum NN 39928 753 3 , , , 39928 753 4 taken take VBN 39928 753 5 , , , 39928 753 6 at at IN 39928 753 7 the the DT 39928 753 8 moment moment NN 39928 753 9 when when WRB 39928 753 10 the the DT 39928 753 11 sun sun NN 39928 753 12 is be VBZ 39928 753 13 totally totally RB 39928 753 14 darkened darken VBN 39928 753 15 , , , 39928 753 16 through through IN 39928 753 17 a a DT 39928 753 18 slit slit NN 39928 753 19 which which WDT 39928 753 20 is be VBZ 39928 753 21 directed direct VBN 39928 753 22 tangentially tangentially RB 39928 753 23 to to IN 39928 753 24 the the DT 39928 753 25 sun sun NN 39928 753 26 's 's POS 39928 753 27 limb limb NN 39928 753 28 , , , 39928 753 29 shows show VBZ 39928 753 30 a a DT 39928 753 31 mass mass NN 39928 753 32 of of IN 39928 753 33 bright bright JJ 39928 753 34 lines line NNS 39928 753 35 corresponding correspond VBG 39928 753 36 in in IN 39928 753 37 a a DT 39928 753 38 large large JJ 39928 753 39 degree degree NN 39928 753 40 to to IN 39928 753 41 the the DT 39928 753 42 dark dark JJ 39928 753 43 lines line NNS 39928 753 44 in in IN 39928 753 45 the the DT 39928 753 46 ordinary ordinary JJ 39928 753 47 solar solar JJ 39928 753 48 spectrum spectrum NN 39928 753 49 . . . 39928 754 1 It -PRON- PRP 39928 754 2 is be VBZ 39928 754 3 thus thus RB 39928 754 4 shown show VBN 39928 754 5 to to TO 39928 754 6 be be VB 39928 754 7 a a DT 39928 754 8 vaporous vaporous JJ 39928 754 9 stratum stratum NN 39928 754 10 which which WDT 39928 754 11 absorbs absorb VBZ 39928 754 12 the the DT 39928 754 13 special special JJ 39928 754 14 rays ray NNS 39928 754 15 emitted emit VBN 39928 754 16 by by IN 39928 754 17 each each DT 39928 754 18 element element NN 39928 754 19 and and CC 39928 754 20 forming form VBG 39928 754 21 its -PRON- PRP$ 39928 754 22 characteristic characteristic JJ 39928 754 23 coloured coloured JJ 39928 754 24 lines line NNS 39928 754 25 , , , 39928 754 26 changing change VBG 39928 754 27 them -PRON- PRP 39928 754 28 into into IN 39928 754 29 black black JJ 39928 754 30 lines line NNS 39928 754 31 . . . 39928 755 1 But but CC 39928 755 2 as as IN 39928 755 3 coloured coloured JJ 39928 755 4 lines line NNS 39928 755 5 are be VBP 39928 755 6 not not RB 39928 755 7 found find VBN 39928 755 8 in in IN 39928 755 9 this this DT 39928 755 10 layer layer NN 39928 755 11 corresponding correspond VBG 39928 755 12 to to IN 39928 755 13 all all PDT 39928 755 14 the the DT 39928 755 15 black black JJ 39928 755 16 lines line NNS 39928 755 17 in in IN 39928 755 18 the the DT 39928 755 19 solar solar JJ 39928 755 20 spectrum spectrum NN 39928 755 21 , , , 39928 755 22 it -PRON- PRP 39928 755 23 is be VBZ 39928 755 24 now now RB 39928 755 25 held hold VBN 39928 755 26 that that IN 39928 755 27 special special JJ 39928 755 28 absorption absorption NN 39928 755 29 must must MD 39928 755 30 also also RB 39928 755 31 occur occur VB 39928 755 32 in in IN 39928 755 33 the the DT 39928 755 34 chromosphere chromosphere NN 39928 755 35 and and CC 39928 755 36 perhaps perhaps RB 39928 755 37 in in IN 39928 755 38 the the DT 39928 755 39 corona corona NN 39928 755 40 itself -PRON- PRP 39928 755 41 . . . 39928 756 1 Sir Sir NNP 39928 756 2 Norman Norman NNP 39928 756 3 Lockyer Lockyer NNP 39928 756 4 , , , 39928 756 5 in in IN 39928 756 6 his -PRON- PRP$ 39928 756 7 volume volume NN 39928 756 8 on on IN 39928 756 9 _ _ NNP 39928 756 10 Inorganic Inorganic NNP 39928 756 11 Evolution Evolution NNP 39928 756 12 _ _ NNP 39928 756 13 , , , 39928 756 14 even even RB 39928 756 15 goes go VBZ 39928 756 16 so so RB 39928 756 17 far far RB 39928 756 18 as as IN 39928 756 19 to to TO 39928 756 20 say say VB 39928 756 21 , , , 39928 756 22 that that IN 39928 756 23 the the DT 39928 756 24 true true JJ 39928 756 25 ' ' `` 39928 756 26 reversing reversing NN 39928 756 27 layer layer NN 39928 756 28 ' ' '' 39928 756 29 of of IN 39928 756 30 the the DT 39928 756 31 sun sun NN 39928 756 32 -- -- : 39928 756 33 that that IN 39928 756 34 which which WDT 39928 756 35 by by IN 39928 756 36 its -PRON- PRP$ 39928 756 37 absorption absorption NN 39928 756 38 produced produce VBD 39928 756 39 the the DT 39928 756 40 dark dark JJ 39928 756 41 lines line NNS 39928 756 42 in in IN 39928 756 43 the the DT 39928 756 44 solar solar JJ 39928 756 45 spectrum spectrum NN 39928 756 46 -- -- : 39928 756 47 is be VBZ 39928 756 48 now now RB 39928 756 49 shown show VBN 39928 756 50 to to TO 39928 756 51 be be VB 39928 756 52 _ _ NNP 39928 756 53 not not RB 39928 756 54 _ _ IN 39928 756 55 the the DT 39928 756 56 chromosphere chromosphere NN 39928 756 57 itself -PRON- PRP 39928 756 58 but but CC 39928 756 59 a a DT 39928 756 60 layer layer NN 39928 756 61 above above IN 39928 756 62 it -PRON- PRP 39928 756 63 , , , 39928 756 64 of of IN 39928 756 65 lower low JJR 39928 756 66 temperature temperature NN 39928 756 67 . . . 39928 757 1 Above above IN 39928 757 2 the the DT 39928 757 3 reversing reversing NN 39928 757 4 layer layer NN 39928 757 5 comes come VBZ 39928 757 6 the the DT 39928 757 7 chromosphere chromosphere NN 39928 757 8 , , , 39928 757 9 a a DT 39928 757 10 vast vast JJ 39928 757 11 mass mass NN 39928 757 12 of of IN 39928 757 13 rosy rosy JJ 39928 757 14 or or CC 39928 757 15 scarlet scarlet JJ 39928 757 16 emanations emanation NNS 39928 757 17 surrounding surround VBG 39928 757 18 the the DT 39928 757 19 sun sun NN 39928 757 20 to to IN 39928 757 21 a a DT 39928 757 22 depth depth NN 39928 757 23 of of IN 39928 757 24 about about RB 39928 757 25 4000 4000 CD 39928 757 26 miles mile NNS 39928 757 27 . . . 39928 758 1 When when WRB 39928 758 2 seen see VBN 39928 758 3 during during IN 39928 758 4 eclipses eclipse NNS 39928 758 5 it -PRON- PRP 39928 758 6 shows show VBZ 39928 758 7 a a DT 39928 758 8 serrated serrated JJ 39928 758 9 waving wave VBG 39928 758 10 outline outline NN 39928 758 11 , , , 39928 758 12 but but CC 39928 758 13 subject subject JJ 39928 758 14 to to IN 39928 758 15 great great JJ 39928 758 16 changes change NNS 39928 758 17 of of IN 39928 758 18 form form NN 39928 758 19 , , , 39928 758 20 producing produce VBG 39928 758 21 the the DT 39928 758 22 prominences prominence NNS 39928 758 23 already already RB 39928 758 24 mentioned mention VBN 39928 758 25 . . . 39928 759 1 These these DT 39928 759 2 are be VBP 39928 759 3 of of IN 39928 759 4 two two CD 39928 759 5 kinds kind NNS 39928 759 6 : : : 39928 759 7 the the DT 39928 759 8 ' ' `` 39928 759 9 quiescent quiescent JJ 39928 759 10 , , , 39928 759 11 ' ' '' 39928 759 12 which which WDT 39928 759 13 are be VBP 39928 759 14 something something NN 39928 759 15 like like IN 39928 759 16 clouds cloud NNS 39928 759 17 of of IN 39928 759 18 enormous enormous JJ 39928 759 19 extent extent NN 39928 759 20 , , , 39928 759 21 and and CC 39928 759 22 which which WDT 39928 759 23 keep keep VBP 39928 759 24 their -PRON- PRP$ 39928 759 25 forms form NNS 39928 759 26 for for IN 39928 759 27 a a DT 39928 759 28 considerable considerable JJ 39928 759 29 time time NN 39928 759 30 ; ; : 39928 759 31 and and CC 39928 759 32 the the DT 39928 759 33 ' ' `` 39928 759 34 eruptive eruptive NN 39928 759 35 , , , 39928 759 36 ' ' '' 39928 759 37 which which WDT 39928 759 38 shoot shoot VBP 39928 759 39 out out RP 39928 759 40 in in IN 39928 759 41 towering tower VBG 39928 759 42 tree tree NN 39928 759 43 - - HYPH 39928 759 44 like like JJ 39928 759 45 flames flame NNS 39928 759 46 or or CC 39928 759 47 geyser geyser NN 39928 759 48 - - HYPH 39928 759 49 like like JJ 39928 759 50 eruptions eruption NNS 39928 759 51 , , , 39928 759 52 and and CC 39928 759 53 while while IN 39928 759 54 doing do VBG 39928 759 55 so so RB 39928 759 56 have have VBP 39928 759 57 been be VBN 39928 759 58 proved prove VBN 39928 759 59 to to TO 39928 759 60 reach reach VB 39928 759 61 velocities velocity NNS 39928 759 62 of of IN 39928 759 63 over over IN 39928 759 64 300 300 CD 39928 759 65 miles mile NNS 39928 759 66 a a DT 39928 759 67 second second NN 39928 759 68 , , , 39928 759 69 and and CC 39928 759 70 subside subside VB 39928 759 71 again again RB 39928 759 72 with with IN 39928 759 73 almost almost RB 39928 759 74 equal equal JJ 39928 759 75 rapidity rapidity NN 39928 759 76 . . . 39928 760 1 The the DT 39928 760 2 chromosphere chromosphere NN 39928 760 3 and and CC 39928 760 4 its -PRON- PRP$ 39928 760 5 quiescent quiescent JJ 39928 760 6 prominences prominence NNS 39928 760 7 appear appear VBP 39928 760 8 to to TO 39928 760 9 be be VB 39928 760 10 truly truly RB 39928 760 11 gaseous gaseous JJ 39928 760 12 , , , 39928 760 13 consisting consist VBG 39928 760 14 of of IN 39928 760 15 hydrogen hydrogen NN 39928 760 16 , , , 39928 760 17 helium helium NN 39928 760 18 , , , 39928 760 19 and and CC 39928 760 20 coronium coronium NN 39928 760 21 , , , 39928 760 22 while while IN 39928 760 23 the the DT 39928 760 24 eruptive eruptive JJ 39928 760 25 prominences prominence NNS 39928 760 26 always always RB 39928 760 27 show show VBP 39928 760 28 the the DT 39928 760 29 presence presence NN 39928 760 30 of of IN 39928 760 31 metallic metallic JJ 39928 760 32 vapours vapour NNS 39928 760 33 , , , 39928 760 34 especially especially RB 39928 760 35 of of IN 39928 760 36 calcium calcium NN 39928 760 37 . . . 39928 761 1 Prominences prominence NNS 39928 761 2 increase increase VBP 39928 761 3 in in IN 39928 761 4 size size NN 39928 761 5 and and CC 39928 761 6 number number NN 39928 761 7 in in IN 39928 761 8 close close JJ 39928 761 9 accordance accordance NN 39928 761 10 with with IN 39928 761 11 the the DT 39928 761 12 increase increase NN 39928 761 13 of of IN 39928 761 14 sun sun NN 39928 761 15 - - HYPH 39928 761 16 spots spot NNS 39928 761 17 . . . 39928 762 1 Beyond beyond IN 39928 762 2 the the DT 39928 762 3 red red JJ 39928 762 4 chromosphere chromosphere NN 39928 762 5 and and CC 39928 762 6 prominences prominence NNS 39928 762 7 is be VBZ 39928 762 8 the the DT 39928 762 9 marvellous marvellous JJ 39928 762 10 white white JJ 39928 762 11 glory glory NN 39928 762 12 of of IN 39928 762 13 the the DT 39928 762 14 corona corona NN 39928 762 15 , , , 39928 762 16 which which WDT 39928 762 17 extends extend VBZ 39928 762 18 to to IN 39928 762 19 an an DT 39928 762 20 enormous enormous JJ 39928 762 21 distance distance NN 39928 762 22 round round IN 39928 762 23 the the DT 39928 762 24 sun sun NN 39928 762 25 . . . 39928 763 1 Like like IN 39928 763 2 the the DT 39928 763 3 prominences prominence NNS 39928 763 4 of of IN 39928 763 5 the the DT 39928 763 6 chromosphere chromosphere NN 39928 763 7 , , , 39928 763 8 it -PRON- PRP 39928 763 9 is be VBZ 39928 763 10 subject subject JJ 39928 763 11 to to IN 39928 763 12 periodical periodical JJ 39928 763 13 changes change NNS 39928 763 14 in in IN 39928 763 15 form form NN 39928 763 16 and and CC 39928 763 17 size size NN 39928 763 18 , , , 39928 763 19 corresponding correspond VBG 39928 763 20 to to IN 39928 763 21 the the DT 39928 763 22 sun sun NN 39928 763 23 - - HYPH 39928 763 24 spot spot NN 39928 763 25 period period NN 39928 763 26 , , , 39928 763 27 but but CC 39928 763 28 in in IN 39928 763 29 inverse inverse NN 39928 763 30 order order NN 39928 763 31 , , , 39928 763 32 a a DT 39928 763 33 minimum minimum NN 39928 763 34 of of IN 39928 763 35 sun sun NN 39928 763 36 - - HYPH 39928 763 37 spots spot NNS 39928 763 38 going go VBG 39928 763 39 with with IN 39928 763 40 a a DT 39928 763 41 maximum maximum JJ 39928 763 42 extension extension NN 39928 763 43 of of IN 39928 763 44 the the DT 39928 763 45 corona corona NN 39928 763 46 . . . 39928 764 1 At at IN 39928 764 2 the the DT 39928 764 3 total total JJ 39928 764 4 eclipse eclipse NN 39928 764 5 of of IN 39928 764 6 July July NNP 39928 764 7 1878 1878 CD 39928 764 8 , , , 39928 764 9 when when WRB 39928 764 10 the the DT 39928 764 11 sun sun NN 39928 764 12 's 's POS 39928 764 13 surface surface NN 39928 764 14 was be VBD 39928 764 15 almost almost RB 39928 764 16 wholly wholly RB 39928 764 17 clear clear JJ 39928 764 18 , , , 39928 764 19 a a DT 39928 764 20 pair pair NN 39928 764 21 of of IN 39928 764 22 enormous enormous JJ 39928 764 23 equatorial equatorial JJ 39928 764 24 streamers streamer NNS 39928 764 25 stretched stretch VBD 39928 764 26 east east NNP 39928 764 27 and and CC 39928 764 28 west west NN 39928 764 29 of of IN 39928 764 30 the the DT 39928 764 31 sun sun NN 39928 764 32 to to IN 39928 764 33 a a DT 39928 764 34 distance distance NN 39928 764 35 of of IN 39928 764 36 ten ten CD 39928 764 37 millions million NNS 39928 764 38 of of IN 39928 764 39 miles mile NNS 39928 764 40 , , , 39928 764 41 and and CC 39928 764 42 less less JJR 39928 764 43 extensions extension NNS 39928 764 44 of of IN 39928 764 45 the the DT 39928 764 46 corona corona NN 39928 764 47 occurred occur VBD 39928 764 48 at at IN 39928 764 49 the the DT 39928 764 50 poles pole NNS 39928 764 51 . . . 39928 765 1 At at IN 39928 765 2 the the DT 39928 765 3 eclipses eclipse NNS 39928 765 4 of of IN 39928 765 5 1882 1882 CD 39928 765 6 and and CC 39928 765 7 1883 1883 CD 39928 765 8 , , , 39928 765 9 on on IN 39928 765 10 the the DT 39928 765 11 other other JJ 39928 765 12 hand hand NN 39928 765 13 , , , 39928 765 14 when when WRB 39928 765 15 sun sun NN 39928 765 16 - - HYPH 39928 765 17 spots spot NNS 39928 765 18 were be VBD 39928 765 19 at at IN 39928 765 20 a a DT 39928 765 21 maximum maximum NN 39928 765 22 , , , 39928 765 23 the the DT 39928 765 24 corona corona NN 39928 765 25 was be VBD 39928 765 26 regularly regularly RB 39928 765 27 stellate stellate JJ 39928 765 28 with with IN 39928 765 29 no no DT 39928 765 30 great great JJ 39928 765 31 extensions extension NNS 39928 765 32 , , , 39928 765 33 but but CC 39928 765 34 of of IN 39928 765 35 high high JJ 39928 765 36 brilliancy brilliancy NN 39928 765 37 . . . 39928 766 1 This this DT 39928 766 2 correspondence correspondence NN 39928 766 3 has have VBZ 39928 766 4 been be VBN 39928 766 5 noted note VBN 39928 766 6 at at IN 39928 766 7 every every DT 39928 766 8 eclipse eclipse NN 39928 766 9 , , , 39928 766 10 and and CC 39928 766 11 there there EX 39928 766 12 is be VBZ 39928 766 13 therefore therefore RB 39928 766 14 an an DT 39928 766 15 undoubted undoubted JJ 39928 766 16 connection connection NN 39928 766 17 between between IN 39928 766 18 the the DT 39928 766 19 two two CD 39928 766 20 phenomena phenomenon NNS 39928 766 21 . . . 39928 767 1 The the DT 39928 767 2 light light NN 39928 767 3 of of IN 39928 767 4 the the DT 39928 767 5 corona corona NN 39928 767 6 is be VBZ 39928 767 7 believed believe VBN 39928 767 8 to to TO 39928 767 9 be be VB 39928 767 10 derived derive VBN 39928 767 11 from from IN 39928 767 12 three three CD 39928 767 13 sources source NNS 39928 767 14 -- -- : 39928 767 15 from from IN 39928 767 16 incandescent incandescent NN 39928 767 17 solid solid JJ 39928 767 18 or or CC 39928 767 19 liquid liquid JJ 39928 767 20 particles particle NNS 39928 767 21 thrown throw VBN 39928 767 22 out out RP 39928 767 23 from from IN 39928 767 24 the the DT 39928 767 25 sun sun NN 39928 767 26 , , , 39928 767 27 from from IN 39928 767 28 sunlight sunlight NN 39928 767 29 reflected reflect VBN 39928 767 30 from from IN 39928 767 31 these these DT 39928 767 32 particles particle NNS 39928 767 33 , , , 39928 767 34 and and CC 39928 767 35 from from IN 39928 767 36 gaseous gaseous JJ 39928 767 37 emissions emission NNS 39928 767 38 . . . 39928 768 1 Its -PRON- PRP$ 39928 768 2 spectrum spectrum NN 39928 768 3 possesses possess VBZ 39928 768 4 a a DT 39928 768 5 green green JJ 39928 768 6 ray ray NN 39928 768 7 , , , 39928 768 8 which which WDT 39928 768 9 is be VBZ 39928 768 10 peculiar peculiar JJ 39928 768 11 to to IN 39928 768 12 it -PRON- PRP 39928 768 13 , , , 39928 768 14 and and CC 39928 768 15 is be VBZ 39928 768 16 supposed suppose VBN 39928 768 17 to to TO 39928 768 18 indicate indicate VB 39928 768 19 a a DT 39928 768 20 gas gas NN 39928 768 21 named name VBN 39928 768 22 ' ' `` 39928 768 23 coronium coronium NN 39928 768 24 ' ' '' 39928 768 25 ; ; : 39928 768 26 in in IN 39928 768 27 other other JJ 39928 768 28 respects respect NNS 39928 768 29 the the DT 39928 768 30 spectrum spectrum NN 39928 768 31 is be VBZ 39928 768 32 more more RBR 39928 768 33 like like IN 39928 768 34 that that DT 39928 768 35 of of IN 39928 768 36 reflected reflect VBN 39928 768 37 sunlight sunlight NN 39928 768 38 . . . 39928 769 1 The the DT 39928 769 2 enormous enormous JJ 39928 769 3 extensions extension NNS 39928 769 4 of of IN 39928 769 5 the the DT 39928 769 6 corona corona NN 39928 769 7 into into IN 39928 769 8 great great JJ 39928 769 9 angular angular JJ 39928 769 10 streamers streamer NNS 39928 769 11 seem seem VBP 39928 769 12 to to TO 39928 769 13 indicate indicate VB 39928 769 14 electrical electrical JJ 39928 769 15 repulsive repulsive JJ 39928 769 16 forces force NNS 39928 769 17 analogous analogous JJ 39928 769 18 to to IN 39928 769 19 those those DT 39928 769 20 which which WDT 39928 769 21 produce produce VBP 39928 769 22 the the DT 39928 769 23 tails tail NNS 39928 769 24 of of IN 39928 769 25 comets comet NNS 39928 769 26 . . . 39928 770 1 Connected connect VBN 39928 770 2 with with IN 39928 770 3 the the DT 39928 770 4 sun sun NN 39928 770 5 's 's POS 39928 770 6 corona corona NN 39928 770 7 is be VBZ 39928 770 8 that that IN 39928 770 9 strange strange JJ 39928 770 10 phenomenon phenomenon NN 39928 770 11 , , , 39928 770 12 the the DT 39928 770 13 zodiacal zodiacal JJ 39928 770 14 light light NN 39928 770 15 . . . 39928 771 1 This this DT 39928 771 2 is be VBZ 39928 771 3 a a DT 39928 771 4 delicate delicate JJ 39928 771 5 nebulosity nebulosity NN 39928 771 6 , , , 39928 771 7 which which WDT 39928 771 8 is be VBZ 39928 771 9 often often RB 39928 771 10 seen see VBN 39928 771 11 after after IN 39928 771 12 sunset sunset NN 39928 771 13 in in IN 39928 771 14 spring spring NN 39928 771 15 and and CC 39928 771 16 before before IN 39928 771 17 sunrise sunrise NN 39928 771 18 in in IN 39928 771 19 autumn autumn NN 39928 771 20 , , , 39928 771 21 tapering taper VBG 39928 771 22 upwards upwards RB 39928 771 23 from from IN 39928 771 24 the the DT 39928 771 25 sun sun NN 39928 771 26 's 's POS 39928 771 27 direction direction NN 39928 771 28 along along IN 39928 771 29 the the DT 39928 771 30 plane plane NN 39928 771 31 of of IN 39928 771 32 the the DT 39928 771 33 ecliptic ecliptic NN 39928 771 34 . . . 39928 772 1 Under under IN 39928 772 2 very very RB 39928 772 3 favourable favourable JJ 39928 772 4 conditions condition NNS 39928 772 5 it -PRON- PRP 39928 772 6 has have VBZ 39928 772 7 been be VBN 39928 772 8 traced trace VBN 39928 772 9 in in IN 39928 772 10 the the DT 39928 772 11 eastern eastern JJ 39928 772 12 sky sky NNP 39928 772 13 in in IN 39928 772 14 spring spring NN 39928 772 15 to to IN 39928 772 16 180 180 CD 39928 772 17 ° ° NNS 39928 772 18 from from IN 39928 772 19 the the DT 39928 772 20 sun sun NN 39928 772 21 's 's POS 39928 772 22 position position NN 39928 772 23 , , , 39928 772 24 indicating indicate VBG 39928 772 25 that that IN 39928 772 26 it -PRON- PRP 39928 772 27 extends extend VBZ 39928 772 28 beyond beyond IN 39928 772 29 the the DT 39928 772 30 earth earth NN 39928 772 31 's 's POS 39928 772 32 orbit orbit NN 39928 772 33 . . . 39928 773 1 Long long RB 39928 773 2 - - HYPH 39928 773 3 continued continue VBN 39928 773 4 observations observation NNS 39928 773 5 from from IN 39928 773 6 the the DT 39928 773 7 summit summit NN 39928 773 8 of of IN 39928 773 9 the the DT 39928 773 10 Pic Pic NNP 39928 773 11 du du NNP 39928 773 12 Midi Midi NNP 39928 773 13 show show VBP 39928 773 14 that that IN 39928 773 15 this this DT 39928 773 16 is be VBZ 39928 773 17 really really RB 39928 773 18 the the DT 39928 773 19 case case NN 39928 773 20 , , , 39928 773 21 and and CC 39928 773 22 that that IN 39928 773 23 it -PRON- PRP 39928 773 24 lies lie VBZ 39928 773 25 almost almost RB 39928 773 26 exactly exactly RB 39928 773 27 in in IN 39928 773 28 the the DT 39928 773 29 plane plane NN 39928 773 30 of of IN 39928 773 31 the the DT 39928 773 32 sun sun NN 39928 773 33 's 's POS 39928 773 34 equator equator NN 39928 773 35 . . . 39928 774 1 It -PRON- PRP 39928 774 2 is be VBZ 39928 774 3 therefore therefore RB 39928 774 4 held hold VBN 39928 774 5 to to TO 39928 774 6 be be VB 39928 774 7 produced produce VBN 39928 774 8 by by IN 39928 774 9 the the DT 39928 774 10 minute minute NN 39928 774 11 particles particle NNS 39928 774 12 thrown throw VBN 39928 774 13 off off RP 39928 774 14 the the DT 39928 774 15 sun sun NN 39928 774 16 , , , 39928 774 17 through through IN 39928 774 18 those those DT 39928 774 19 coronal coronal JJ 39928 774 20 wings wing NNS 39928 774 21 and and CC 39928 774 22 streamers streamer NNS 39928 774 23 which which WDT 39928 774 24 are be VBP 39928 774 25 visible visible JJ 39928 774 26 only only RB 39928 774 27 during during IN 39928 774 28 solar solar JJ 39928 774 29 eclipses eclipse NNS 39928 774 30 . . . 39928 775 1 The the DT 39928 775 2 careful careful JJ 39928 775 3 study study NN 39928 775 4 of of IN 39928 775 5 the the DT 39928 775 6 solar solar JJ 39928 775 7 phenomena phenomena NN 39928 775 8 has have VBZ 39928 775 9 very very RB 39928 775 10 clearly clearly RB 39928 775 11 established establish VBN 39928 775 12 the the DT 39928 775 13 fact fact NN 39928 775 14 that that IN 39928 775 15 none none NN 39928 775 16 of of IN 39928 775 17 the the DT 39928 775 18 sun sun NN 39928 775 19 's 's POS 39928 775 20 envelopes envelope NNS 39928 775 21 , , , 39928 775 22 from from IN 39928 775 23 the the DT 39928 775 24 reversing reversing NN 39928 775 25 layer layer NN 39928 775 26 to to IN 39928 775 27 the the DT 39928 775 28 corona corona NN 39928 775 29 itself -PRON- PRP 39928 775 30 , , , 39928 775 31 is be VBZ 39928 775 32 in in IN 39928 775 33 any any DT 39928 775 34 sense sense NN 39928 775 35 an an DT 39928 775 36 atmosphere atmosphere NN 39928 775 37 . . . 39928 776 1 The the DT 39928 776 2 combination combination NN 39928 776 3 of of IN 39928 776 4 enormous enormous JJ 39928 776 5 gravitative gravitative JJ 39928 776 6 force force NN 39928 776 7 with with IN 39928 776 8 an an DT 39928 776 9 amount amount NN 39928 776 10 of of IN 39928 776 11 heat heat NN 39928 776 12 which which WDT 39928 776 13 turns turn VBZ 39928 776 14 all all PDT 39928 776 15 the the DT 39928 776 16 elements element NNS 39928 776 17 into into IN 39928 776 18 the the DT 39928 776 19 liquid liquid JJ 39928 776 20 or or CC 39928 776 21 gaseous gaseous JJ 39928 776 22 state state NN 39928 776 23 , , , 39928 776 24 leads lead VBZ 39928 776 25 to to IN 39928 776 26 consequences consequence NNS 39928 776 27 which which WDT 39928 776 28 it -PRON- PRP 39928 776 29 is be VBZ 39928 776 30 difficult difficult JJ 39928 776 31 for for IN 39928 776 32 us -PRON- PRP 39928 776 33 to to TO 39928 776 34 follow follow VB 39928 776 35 or or CC 39928 776 36 comprehend comprehend VB 39928 776 37 . . . 39928 777 1 There there EX 39928 777 2 is be VBZ 39928 777 3 evidently evidently RB 39928 777 4 constant constant JJ 39928 777 5 internal internal JJ 39928 777 6 movement movement NN 39928 777 7 or or CC 39928 777 8 circulation circulation NN 39928 777 9 in in IN 39928 777 10 the the DT 39928 777 11 interior interior NN 39928 777 12 of of IN 39928 777 13 the the DT 39928 777 14 sun sun NN 39928 777 15 , , , 39928 777 16 resulting result VBG 39928 777 17 in in IN 39928 777 18 the the DT 39928 777 19 faculæ faculæ NN 39928 777 20 , , , 39928 777 21 the the DT 39928 777 22 sun sun NN 39928 777 23 - - HYPH 39928 777 24 spots spot NNS 39928 777 25 , , , 39928 777 26 the the DT 39928 777 27 intensely intensely RB 39928 777 28 luminous luminous JJ 39928 777 29 photosphere photosphere NN 39928 777 30 , , , 39928 777 31 and and CC 39928 777 32 the the DT 39928 777 33 chromosphere chromosphere NN 39928 777 34 with with IN 39928 777 35 its -PRON- PRP$ 39928 777 36 vast vast JJ 39928 777 37 flaming flaming JJ 39928 777 38 coruscations coruscation NNS 39928 777 39 and and CC 39928 777 40 eruptive eruptive JJ 39928 777 41 protuberances protuberance NNS 39928 777 42 . . . 39928 778 1 But but CC 39928 778 2 it -PRON- PRP 39928 778 3 seems seem VBZ 39928 778 4 impossible impossible JJ 39928 778 5 that that IN 39928 778 6 this this DT 39928 778 7 incessant incessant JJ 39928 778 8 and and CC 39928 778 9 violent violent JJ 39928 778 10 movement movement NN 39928 778 11 can can MD 39928 778 12 be be VB 39928 778 13 kept keep VBN 39928 778 14 up up RP 39928 778 15 without without IN 39928 778 16 some some DT 39928 778 17 great great JJ 39928 778 18 and and CC 39928 778 19 periodical periodical JJ 39928 778 20 or or CC 39928 778 21 continuous continuous JJ 39928 778 22 inrush inrush NN 39928 778 23 of of IN 39928 778 24 fresh fresh JJ 39928 778 25 materials material NNS 39928 778 26 to to TO 39928 778 27 renew renew VB 39928 778 28 the the DT 39928 778 29 heat heat NN 39928 778 30 , , , 39928 778 31 keep keep VB 39928 778 32 up up RP 39928 778 33 the the DT 39928 778 34 internal internal JJ 39928 778 35 circulation circulation NN 39928 778 36 , , , 39928 778 37 and and CC 39928 778 38 supply supply VB 39928 778 39 the the DT 39928 778 40 waste waste NN 39928 778 41 . . . 39928 779 1 Perhaps perhaps RB 39928 779 2 the the DT 39928 779 3 movement movement NN 39928 779 4 of of IN 39928 779 5 the the DT 39928 779 6 sun sun NN 39928 779 7 through through IN 39928 779 8 space space NN 39928 779 9 may may MD 39928 779 10 bring bring VB 39928 779 11 him -PRON- PRP 39928 779 12 into into IN 39928 779 13 contact contact NN 39928 779 14 with with IN 39928 779 15 sufficiently sufficiently RB 39928 779 16 large large JJ 39928 779 17 masses masse NNS 39928 779 18 of of IN 39928 779 19 matter matter NN 39928 779 20 to to TO 39928 779 21 continually continually RB 39928 779 22 excite excite VB 39928 779 23 that that IN 39928 779 24 internal internal JJ 39928 779 25 movement movement NN 39928 779 26 without without IN 39928 779 27 which which WDT 39928 779 28 the the DT 39928 779 29 exterior exterior NNP 39928 779 30 surface surface NN 39928 779 31 would would MD 39928 779 32 rapidly rapidly RB 39928 779 33 become become VB 39928 779 34 cool cool JJ 39928 779 35 and and CC 39928 779 36 all all DT 39928 779 37 planetary planetary JJ 39928 779 38 life life NN 39928 779 39 cease cease NN 39928 779 40 . . . 39928 780 1 The the DT 39928 780 2 various various JJ 39928 780 3 solar solar JJ 39928 780 4 envelopes envelope NNS 39928 780 5 are be VBP 39928 780 6 the the DT 39928 780 7 result result NN 39928 780 8 of of IN 39928 780 9 this this DT 39928 780 10 internal internal JJ 39928 780 11 agitation agitation NN 39928 780 12 , , , 39928 780 13 uprushes uprushe NNS 39928 780 14 , , , 39928 780 15 and and CC 39928 780 16 explosions explosion NNS 39928 780 17 , , , 39928 780 18 while while IN 39928 780 19 the the DT 39928 780 20 vast vast JJ 39928 780 21 white white JJ 39928 780 22 corona corona NN 39928 780 23 is be VBZ 39928 780 24 probably probably RB 39928 780 25 of of IN 39928 780 26 little little JJ 39928 780 27 more more JJR 39928 780 28 density density NN 39928 780 29 than than IN 39928 780 30 comets comet NNS 39928 780 31 ' ' POS 39928 780 32 tails tail NNS 39928 780 33 , , , 39928 780 34 probably probably RB 39928 780 35 even even RB 39928 780 36 of of IN 39928 780 37 less less JJR 39928 780 38 density density NN 39928 780 39 , , , 39928 780 40 since since IN 39928 780 41 comets comet NNS 39928 780 42 not not RB 39928 780 43 unfrequently unfrequently RB 39928 780 44 rush rush VB 39928 780 45 through through IN 39928 780 46 its -PRON- PRP$ 39928 780 47 midst midst NN 39928 780 48 without without IN 39928 780 49 suffering suffer VBG 39928 780 50 any any DT 39928 780 51 loss loss NN 39928 780 52 of of IN 39928 780 53 velocity velocity NN 39928 780 54 . . . 39928 781 1 The the DT 39928 781 2 fact fact NN 39928 781 3 that that IN 39928 781 4 none none NN 39928 781 5 of of IN 39928 781 6 the the DT 39928 781 7 solar solar JJ 39928 781 8 envelopes envelope NNS 39928 781 9 are be VBP 39928 781 10 visible visible JJ 39928 781 11 to to IN 39928 781 12 us -PRON- PRP 39928 781 13 until until IN 39928 781 14 the the DT 39928 781 15 light light NN 39928 781 16 of of IN 39928 781 17 the the DT 39928 781 18 photosphere photosphere NN 39928 781 19 is be VBZ 39928 781 20 completely completely RB 39928 781 21 shut shut VBN 39928 781 22 off off RP 39928 781 23 , , , 39928 781 24 and and CC 39928 781 25 that that IN 39928 781 26 they -PRON- PRP 39928 781 27 all all DT 39928 781 28 vanish vanish VBP 39928 781 29 the the DT 39928 781 30 very very RB 39928 781 31 instant instant JJ 39928 781 32 the the DT 39928 781 33 first first JJ 39928 781 34 gleam gleam NN 39928 781 35 of of IN 39928 781 36 direct direct JJ 39928 781 37 sunlight sunlight NN 39928 781 38 reaches reach VBZ 39928 781 39 us -PRON- PRP 39928 781 40 , , , 39928 781 41 is be VBZ 39928 781 42 another another DT 39928 781 43 proof proof NN 39928 781 44 of of IN 39928 781 45 their -PRON- PRP$ 39928 781 46 extreme extreme JJ 39928 781 47 tenuity tenuity NN 39928 781 48 , , , 39928 781 49 as as IN 39928 781 50 is be VBZ 39928 781 51 also also RB 39928 781 52 the the DT 39928 781 53 sharply sharply RB 39928 781 54 defined define VBN 39928 781 55 edge edge NN 39928 781 56 of of IN 39928 781 57 the the DT 39928 781 58 sun sun NN 39928 781 59 's 's POS 39928 781 60 disc disc NN 39928 781 61 . . . 39928 782 1 The the DT 39928 782 2 envelopes envelope NNS 39928 782 3 therefore therefore RB 39928 782 4 consist consist VBP 39928 782 5 partly partly RB 39928 782 6 of of IN 39928 782 7 liquid liquid NN 39928 782 8 or or CC 39928 782 9 vaporous vaporous JJ 39928 782 10 matter matter NN 39928 782 11 , , , 39928 782 12 in in IN 39928 782 13 a a DT 39928 782 14 very very RB 39928 782 15 finely finely RB 39928 782 16 divided divide VBN 39928 782 17 state state NN 39928 782 18 , , , 39928 782 19 driven drive VBN 39928 782 20 off off RP 39928 782 21 by by IN 39928 782 22 explosions explosion NNS 39928 782 23 or or CC 39928 782 24 by by IN 39928 782 25 electrical electrical JJ 39928 782 26 forces force NNS 39928 782 27 , , , 39928 782 28 and and CC 39928 782 29 this this DT 39928 782 30 matter matter NN 39928 782 31 , , , 39928 782 32 rapidly rapidly RB 39928 782 33 cooling cool VBG 39928 782 34 , , , 39928 782 35 becomes become VBZ 39928 782 36 solidified solidify VBN 39928 782 37 into into IN 39928 782 38 minutest minutest JJ 39928 782 39 particles particle NNS 39928 782 40 , , , 39928 782 41 or or CC 39928 782 42 even even RB 39928 782 43 physical physical JJ 39928 782 44 molecules molecule NNS 39928 782 45 . . . 39928 783 1 Much much JJ 39928 783 2 of of IN 39928 783 3 this this DT 39928 783 4 matter matter NN 39928 783 5 continually continually RB 39928 783 6 falls fall VBZ 39928 783 7 back back RB 39928 783 8 on on IN 39928 783 9 the the DT 39928 783 10 sun sun NN 39928 783 11 's 's POS 39928 783 12 surface surface NN 39928 783 13 , , , 39928 783 14 but but CC 39928 783 15 a a DT 39928 783 16 certain certain JJ 39928 783 17 quantity quantity NN 39928 783 18 of of IN 39928 783 19 the the DT 39928 783 20 very very RB 39928 783 21 finest fine JJS 39928 783 22 dust dust NN 39928 783 23 is be VBZ 39928 783 24 continually continually RB 39928 783 25 driven drive VBN 39928 783 26 away away RP 39928 783 27 by by IN 39928 783 28 electrical electrical JJ 39928 783 29 repulsion repulsion NN 39928 783 30 , , , 39928 783 31 so so IN 39928 783 32 as as IN 39928 783 33 to to TO 39928 783 34 form form VB 39928 783 35 the the DT 39928 783 36 corona corona NN 39928 783 37 and and CC 39928 783 38 the the DT 39928 783 39 zodiacal zodiacal JJ 39928 783 40 light light NN 39928 783 41 . . . 39928 784 1 The the DT 39928 784 2 vast vast JJ 39928 784 3 coronal coronal JJ 39928 784 4 streamers streamer NNS 39928 784 5 and and CC 39928 784 6 the the DT 39928 784 7 still still RB 39928 784 8 more more RBR 39928 784 9 extensive extensive JJ 39928 784 10 ring ring NN 39928 784 11 of of IN 39928 784 12 the the DT 39928 784 13 zodiacal zodiacal JJ 39928 784 14 light light NN 39928 784 15 are be VBP 39928 784 16 therefore therefore RB 39928 784 17 in in IN 39928 784 18 all all DT 39928 784 19 probability probability NN 39928 784 20 due due IN 39928 784 21 to to IN 39928 784 22 the the DT 39928 784 23 same same JJ 39928 784 24 causes cause NNS 39928 784 25 , , , 39928 784 26 and and CC 39928 784 27 have have VBP 39928 784 28 a a DT 39928 784 29 similar similar JJ 39928 784 30 physical physical JJ 39928 784 31 constitution constitution NN 39928 784 32 with with IN 39928 784 33 the the DT 39928 784 34 tails tail NNS 39928 784 35 of of IN 39928 784 36 comets comet NNS 39928 784 37 . . . 39928 785 1 As as IN 39928 785 2 the the DT 39928 785 3 whole whole NN 39928 785 4 of of IN 39928 785 5 our -PRON- PRP$ 39928 785 6 sunlight sunlight NN 39928 785 7 must must MD 39928 785 8 pass pass VB 39928 785 9 through through IN 39928 785 10 both both CC 39928 785 11 the the DT 39928 785 12 reversing reversing NN 39928 785 13 layer layer NN 39928 785 14 and and CC 39928 785 15 the the DT 39928 785 16 red red NNP 39928 785 17 chromosphere chromosphere NNP 39928 785 18 , , , 39928 785 19 its -PRON- PRP$ 39928 785 20 colour colour NN 39928 785 21 must must MD 39928 785 22 be be VB 39928 785 23 somewhat somewhat RB 39928 785 24 modified modify VBN 39928 785 25 by by IN 39928 785 26 them -PRON- PRP 39928 785 27 . . . 39928 786 1 Hence hence RB 39928 786 2 it -PRON- PRP 39928 786 3 is be VBZ 39928 786 4 believed believe VBN 39928 786 5 that that IN 39928 786 6 , , , 39928 786 7 if if IN 39928 786 8 they -PRON- PRP 39928 786 9 were be VBD 39928 786 10 absent absent JJ 39928 786 11 , , , 39928 786 12 not not RB 39928 786 13 only only RB 39928 786 14 would would MD 39928 786 15 the the DT 39928 786 16 light light NN 39928 786 17 and and CC 39928 786 18 heat heat NN 39928 786 19 of of IN 39928 786 20 the the DT 39928 786 21 sun sun NN 39928 786 22 be be VB 39928 786 23 considerably considerably RB 39928 786 24 greater great JJR 39928 786 25 , , , 39928 786 26 but but CC 39928 786 27 its -PRON- PRP$ 39928 786 28 colour colour NN 39928 786 29 would would MD 39928 786 30 be be VB 39928 786 31 a a DT 39928 786 32 purer purer NN 39928 786 33 white white NN 39928 786 34 , , , 39928 786 35 tending tend VBG 39928 786 36 towards towards IN 39928 786 37 bluish bluish NNP 39928 786 38 rather rather RB 39928 786 39 than than IN 39928 786 40 towards towards IN 39928 786 41 the the DT 39928 786 42 yellowish yellowish JJ 39928 786 43 tinge tinge NN 39928 786 44 it -PRON- PRP 39928 786 45 actually actually RB 39928 786 46 possesses possess VBZ 39928 786 47 . . . 39928 787 1 THE the DT 39928 787 2 NEBULAR NEBULAR NNP 39928 787 3 AND and CC 39928 787 4 METEORITIC METEORITIC NNP 39928 787 5 HYPOTHESES hypothesis NNS 39928 787 6 As as IN 39928 787 7 the the DT 39928 787 8 constitution constitution NN 39928 787 9 of of IN 39928 787 10 the the DT 39928 787 11 sun sun NN 39928 787 12 , , , 39928 787 13 and and CC 39928 787 14 its -PRON- PRP$ 39928 787 15 agency agency NN 39928 787 16 in in IN 39928 787 17 producing produce VBG 39928 787 18 magnetism magnetism NN 39928 787 19 and and CC 39928 787 20 electricity electricity NN 39928 787 21 in in IN 39928 787 22 the the DT 39928 787 23 matter matter NN 39928 787 24 and and CC 39928 787 25 orbs orb VBZ 39928 787 26 around around IN 39928 787 27 it -PRON- PRP 39928 787 28 , , , 39928 787 29 afford afford VB 39928 787 30 us -PRON- PRP 39928 787 31 our -PRON- PRP$ 39928 787 32 best good JJS 39928 787 33 guide guide NN 39928 787 34 to to IN 39928 787 35 the the DT 39928 787 36 constitution constitution NN 39928 787 37 of of IN 39928 787 38 the the DT 39928 787 39 stars star NNS 39928 787 40 and and CC 39928 787 41 nebulæ nebulæ NN 39928 787 42 , , , 39928 787 43 and and CC 39928 787 44 to to IN 39928 787 45 their -PRON- PRP$ 39928 787 46 possible possible JJ 39928 787 47 action action NN 39928 787 48 on on IN 39928 787 49 each each DT 39928 787 50 other other JJ 39928 787 51 , , , 39928 787 52 and and CC 39928 787 53 even even RB 39928 787 54 upon upon IN 39928 787 55 our -PRON- PRP$ 39928 787 56 earth earth NN 39928 787 57 , , , 39928 787 58 so so RB 39928 787 59 the the DT 39928 787 60 mode mode NN 39928 787 61 of of IN 39928 787 62 evolution evolution NN 39928 787 63 of of IN 39928 787 64 the the DT 39928 787 65 sun sun NN 39928 787 66 and and CC 39928 787 67 solar solar JJ 39928 787 68 system system NN 39928 787 69 , , , 39928 787 70 from from IN 39928 787 71 some some DT 39928 787 72 pre pre JJ 39928 787 73 - - JJ 39928 787 74 existing existing JJ 39928 787 75 condition condition NN 39928 787 76 , , , 39928 787 77 is be VBZ 39928 787 78 likely likely JJ 39928 787 79 to to TO 39928 787 80 help help VB 39928 787 81 us -PRON- PRP 39928 787 82 towards towards IN 39928 787 83 gaining gain VBG 39928 787 84 some some DT 39928 787 85 knowledge knowledge NN 39928 787 86 of of IN 39928 787 87 the the DT 39928 787 88 constitution constitution NN 39928 787 89 of of IN 39928 787 90 the the DT 39928 787 91 stellar stellar JJ 39928 787 92 universe universe NN 39928 787 93 and and CC 39928 787 94 the the DT 39928 787 95 processes process NNS 39928 787 96 of of IN 39928 787 97 change change NN 39928 787 98 going go VBG 39928 787 99 on on RP 39928 787 100 there there RB 39928 787 101 . . . 39928 788 1 At at IN 39928 788 2 the the DT 39928 788 3 very very JJ 39928 788 4 commencement commencement NN 39928 788 5 of of IN 39928 788 6 the the DT 39928 788 7 nineteenth nineteenth JJ 39928 788 8 century century NN 39928 788 9 the the DT 39928 788 10 great great JJ 39928 788 11 mathematician mathematician NN 39928 788 12 Laplace Laplace NNP 39928 788 13 published publish VBD 39928 788 14 his -PRON- PRP$ 39928 788 15 Nebular Nebular NNP 39928 788 16 Theory Theory NNP 39928 788 17 of of IN 39928 788 18 the the DT 39928 788 19 Origin Origin NNP 39928 788 20 of of IN 39928 788 21 the the DT 39928 788 22 Solar Solar NNP 39928 788 23 System System NNP 39928 788 24 ; ; : 39928 788 25 and and CC 39928 788 26 although although IN 39928 788 27 he -PRON- PRP 39928 788 28 put put VBD 39928 788 29 it -PRON- PRP 39928 788 30 forth forth RB 39928 788 31 merely merely RB 39928 788 32 as as IN 39928 788 33 a a DT 39928 788 34 suggestion suggestion NN 39928 788 35 , , , 39928 788 36 and and CC 39928 788 37 did do VBD 39928 788 38 not not RB 39928 788 39 support support VB 39928 788 40 it -PRON- PRP 39928 788 41 with with IN 39928 788 42 any any DT 39928 788 43 numerical numerical JJ 39928 788 44 or or CC 39928 788 45 physical physical JJ 39928 788 46 data datum NNS 39928 788 47 , , , 39928 788 48 or or CC 39928 788 49 by by IN 39928 788 50 any any DT 39928 788 51 mathematical mathematical JJ 39928 788 52 processes process NNS 39928 788 53 , , , 39928 788 54 his -PRON- PRP$ 39928 788 55 great great JJ 39928 788 56 reputation reputation NN 39928 788 57 , , , 39928 788 58 and and CC 39928 788 59 its -PRON- PRP$ 39928 788 60 apparent apparent JJ 39928 788 61 probability probability NN 39928 788 62 and and CC 39928 788 63 simplicity simplicity NN 39928 788 64 , , , 39928 788 65 caused cause VBD 39928 788 66 it -PRON- PRP 39928 788 67 to to TO 39928 788 68 be be VB 39928 788 69 almost almost RB 39928 788 70 universally universally RB 39928 788 71 accepted accept VBN 39928 788 72 , , , 39928 788 73 and and CC 39928 788 74 to to TO 39928 788 75 be be VB 39928 788 76 extended extend VBN 39928 788 77 so so IN 39928 788 78 as as IN 39928 788 79 to to TO 39928 788 80 apply apply VB 39928 788 81 to to IN 39928 788 82 the the DT 39928 788 83 evolution evolution NN 39928 788 84 of of IN 39928 788 85 the the DT 39928 788 86 stellar stellar JJ 39928 788 87 universe universe NN 39928 788 88 . . . 39928 789 1 This this DT 39928 789 2 theory theory NN 39928 789 3 , , , 39928 789 4 very very RB 39928 789 5 briefly briefly RB 39928 789 6 stated state VBD 39928 789 7 , , , 39928 789 8 is be VBZ 39928 789 9 , , , 39928 789 10 that that IN 39928 789 11 the the DT 39928 789 12 whole whole NN 39928 789 13 of of IN 39928 789 14 the the DT 39928 789 15 matter matter NN 39928 789 16 of of IN 39928 789 17 the the DT 39928 789 18 solar solar JJ 39928 789 19 system system NN 39928 789 20 once once RB 39928 789 21 formed form VBD 39928 789 22 a a DT 39928 789 23 globular globular JJ 39928 789 24 or or CC 39928 789 25 spheroidal spheroidal JJ 39928 789 26 mass mass NN 39928 789 27 of of IN 39928 789 28 intensely intensely RB 39928 789 29 heated heat VBN 39928 789 30 gases gas NNS 39928 789 31 , , , 39928 789 32 extending extend VBG 39928 789 33 beyond beyond IN 39928 789 34 the the DT 39928 789 35 orbit orbit NN 39928 789 36 of of IN 39928 789 37 the the DT 39928 789 38 outermost outermost JJ 39928 789 39 planet planet NN 39928 789 40 , , , 39928 789 41 and and CC 39928 789 42 having have VBG 39928 789 43 a a DT 39928 789 44 slow slow JJ 39928 789 45 motion motion NN 39928 789 46 of of IN 39928 789 47 revolution revolution NN 39928 789 48 about about IN 39928 789 49 an an DT 39928 789 50 axis axis NN 39928 789 51 . . . 39928 790 1 As as IN 39928 790 2 it -PRON- PRP 39928 790 3 cooled cool VBD 39928 790 4 and and CC 39928 790 5 contracted contract VBD 39928 790 6 , , , 39928 790 7 its -PRON- PRP$ 39928 790 8 rate rate NN 39928 790 9 of of IN 39928 790 10 revolution revolution NN 39928 790 11 increased increase VBD 39928 790 12 , , , 39928 790 13 and and CC 39928 790 14 this this DT 39928 790 15 became become VBD 39928 790 16 so so RB 39928 790 17 great great JJ 39928 790 18 that that IN 39928 790 19 at at IN 39928 790 20 successive successive JJ 39928 790 21 epochs epoch NNS 39928 790 22 it -PRON- PRP 39928 790 23 threw throw VBD 39928 790 24 off off RP 39928 790 25 rings ring NNS 39928 790 26 , , , 39928 790 27 which which WDT 39928 790 28 , , , 39928 790 29 owing owe VBG 39928 790 30 to to IN 39928 790 31 slight slight JJ 39928 790 32 irregularities irregularity NNS 39928 790 33 , , , 39928 790 34 broke break VBD 39928 790 35 up up RP 39928 790 36 , , , 39928 790 37 and and CC 39928 790 38 , , , 39928 790 39 gravitating gravitate VBG 39928 790 40 together together RB 39928 790 41 , , , 39928 790 42 formed form VBD 39928 790 43 the the DT 39928 790 44 planets planet NNS 39928 790 45 . . . 39928 791 1 The the DT 39928 791 2 contraction contraction NN 39928 791 3 continuing continue VBG 39928 791 4 , , , 39928 791 5 the the DT 39928 791 6 sun sun NN 39928 791 7 , , , 39928 791 8 as as IN 39928 791 9 we -PRON- PRP 39928 791 10 now now RB 39928 791 11 see see VBP 39928 791 12 it -PRON- PRP 39928 791 13 , , , 39928 791 14 was be VBD 39928 791 15 the the DT 39928 791 16 result result NN 39928 791 17 . . . 39928 792 1 For for IN 39928 792 2 about about IN 39928 792 3 half half PDT 39928 792 4 a a DT 39928 792 5 century century NN 39928 792 6 this this DT 39928 792 7 nebular nebular JJ 39928 792 8 hypothesis hypothesis NN 39928 792 9 was be VBD 39928 792 10 generally generally RB 39928 792 11 accepted accept VBN 39928 792 12 , , , 39928 792 13 but but CC 39928 792 14 during during IN 39928 792 15 the the DT 39928 792 16 last last JJ 39928 792 17 thirty thirty CD 39928 792 18 years year NNS 39928 792 19 so so RB 39928 792 20 many many JJ 39928 792 21 objections objection NNS 39928 792 22 and and CC 39928 792 23 difficulties difficulty NNS 39928 792 24 have have VBP 39928 792 25 been be VBN 39928 792 26 suggested suggest VBN 39928 792 27 , , , 39928 792 28 that that IN 39928 792 29 it -PRON- PRP 39928 792 30 has have VBZ 39928 792 31 been be VBN 39928 792 32 felt feel VBN 39928 792 33 impossible impossible JJ 39928 792 34 to to TO 39928 792 35 retain retain VB 39928 792 36 it -PRON- PRP 39928 792 37 even even RB 39928 792 38 as as IN 39928 792 39 a a DT 39928 792 40 working work VBG 39928 792 41 hypothesis hypothesis NN 39928 792 42 . . . 39928 793 1 At at IN 39928 793 2 the the DT 39928 793 3 same same JJ 39928 793 4 time time NN 39928 793 5 another another DT 39928 793 6 hypothesis hypothesis NN 39928 793 7 has have VBZ 39928 793 8 been be VBN 39928 793 9 put put VBN 39928 793 10 forth forth RP 39928 793 11 which which WDT 39928 793 12 seems seem VBZ 39928 793 13 more more JJR 39928 793 14 in in IN 39928 793 15 accordance accordance NN 39928 793 16 with with IN 39928 793 17 the the DT 39928 793 18 facts fact NNS 39928 793 19 of of IN 39928 793 20 nature nature NN 39928 793 21 as as IN 39928 793 22 we -PRON- PRP 39928 793 23 find find VBP 39928 793 24 them -PRON- PRP 39928 793 25 in in IN 39928 793 26 our -PRON- PRP$ 39928 793 27 own own JJ 39928 793 28 solar solar JJ 39928 793 29 system system NN 39928 793 30 , , , 39928 793 31 and and CC 39928 793 32 which which WDT 39928 793 33 is be VBZ 39928 793 34 not not RB 39928 793 35 open open JJ 39928 793 36 to to IN 39928 793 37 any any DT 39928 793 38 of of IN 39928 793 39 the the DT 39928 793 40 objections objection NNS 39928 793 41 against against IN 39928 793 42 the the DT 39928 793 43 nebular nebular JJ 39928 793 44 theory theory NN 39928 793 45 , , , 39928 793 46 even even RB 39928 793 47 if if IN 39928 793 48 it -PRON- PRP 39928 793 49 introduces introduce VBZ 39928 793 50 a a DT 39928 793 51 few few JJ 39928 793 52 new new JJ 39928 793 53 ones one NNS 39928 793 54 . . . 39928 794 1 A a DT 39928 794 2 fundamental fundamental JJ 39928 794 3 objection objection NN 39928 794 4 to to IN 39928 794 5 Laplace Laplace NNP 39928 794 6 's 's POS 39928 794 7 theory theory NN 39928 794 8 is be VBZ 39928 794 9 , , , 39928 794 10 that that IN 39928 794 11 in in IN 39928 794 12 a a DT 39928 794 13 gas gas NN 39928 794 14 of of IN 39928 794 15 such such JJ 39928 794 16 extreme extreme JJ 39928 794 17 tenuity tenuity NN 39928 794 18 as as IN 39928 794 19 the the DT 39928 794 20 solar solar JJ 39928 794 21 nebula nebula NN 39928 794 22 must must MD 39928 794 23 have have VB 39928 794 24 been be VBN 39928 794 25 , , , 39928 794 26 even even RB 39928 794 27 when when WRB 39928 794 28 it -PRON- PRP 39928 794 29 extended extend VBD 39928 794 30 only only RB 39928 794 31 to to IN 39928 794 32 Saturn Saturn NNP 39928 794 33 or or CC 39928 794 34 Uranus Uranus NNP 39928 794 35 , , , 39928 794 36 it -PRON- PRP 39928 794 37 could could MD 39928 794 38 not not RB 39928 794 39 possibly possibly RB 39928 794 40 have have VB 39928 794 41 had have VBN 39928 794 42 any any DT 39928 794 43 cohesion cohesion NN 39928 794 44 , , , 39928 794 45 and and CC 39928 794 46 therefore therefore RB 39928 794 47 could could MD 39928 794 48 not not RB 39928 794 49 have have VB 39928 794 50 given give VBN 39928 794 51 off off RP 39928 794 52 whole whole JJ 39928 794 53 rings ring NNS 39928 794 54 at at IN 39928 794 55 distant distant JJ 39928 794 56 intervals interval NNS 39928 794 57 , , , 39928 794 58 but but CC 39928 794 59 only only RB 39928 794 60 small small JJ 39928 794 61 fragments fragment NNS 39928 794 62 continuously continuously RB 39928 794 63 as as IN 39928 794 64 condensation condensation NN 39928 794 65 went go VBD 39928 794 66 on on RP 39928 794 67 , , , 39928 794 68 and and CC 39928 794 69 these these DT 39928 794 70 , , , 39928 794 71 rapidly rapidly RB 39928 794 72 cooling cool VBG 39928 794 73 , , , 39928 794 74 would would MD 39928 794 75 form form VB 39928 794 76 solid solid JJ 39928 794 77 particles particle NNS 39928 794 78 , , , 39928 794 79 a a DT 39928 794 80 kind kind NN 39928 794 81 of of IN 39928 794 82 meteoric meteoric JJ 39928 794 83 dust dust NN 39928 794 84 , , , 39928 794 85 which which WDT 39928 794 86 might may MD 39928 794 87 aggregate aggregate VB 39928 794 88 into into IN 39928 794 89 numerous numerous JJ 39928 794 90 small small JJ 39928 794 91 planets planet NNS 39928 794 92 , , , 39928 794 93 or or CC 39928 794 94 might may MD 39928 794 95 persist persist VB 39928 794 96 for for IN 39928 794 97 indefinite indefinite JJ 39928 794 98 periods period NNS 39928 794 99 , , , 39928 794 100 like like IN 39928 794 101 the the DT 39928 794 102 rings ring NNS 39928 794 103 of of IN 39928 794 104 Saturn Saturn NNP 39928 794 105 or or CC 39928 794 106 the the DT 39928 794 107 great great JJ 39928 794 108 ring ring NN 39928 794 109 of of IN 39928 794 110 the the DT 39928 794 111 Asteroids Asteroids NNPS 39928 794 112 . . . 39928 795 1 Another another DT 39928 795 2 equally equally RB 39928 795 3 vital vital JJ 39928 795 4 objection objection NN 39928 795 5 is be VBZ 39928 795 6 , , , 39928 795 7 that that IN 39928 795 8 , , , 39928 795 9 as as IN 39928 795 10 the the DT 39928 795 11 nebula nebula NN 39928 795 12 when when WRB 39928 795 13 extending extend VBG 39928 795 14 beyond beyond IN 39928 795 15 the the DT 39928 795 16 orbit orbit NN 39928 795 17 of of IN 39928 795 18 Neptune Neptune NNP 39928 795 19 could could MD 39928 795 20 have have VB 39928 795 21 had have VBN 39928 795 22 a a DT 39928 795 23 mean mean JJ 39928 795 24 density density NN 39928 795 25 of of IN 39928 795 26 only only RB 39928 795 27 about about RB 39928 795 28 the the DT 39928 795 29 two two CD 39928 795 30 - - HYPH 39928 795 31 hundred hundred CD 39928 795 32 millionth millionth NN 39928 795 33 of of IN 39928 795 34 our -PRON- PRP$ 39928 795 35 air air NN 39928 795 36 at at IN 39928 795 37 sea sea NN 39928 795 38 level level NN 39928 795 39 , , , 39928 795 40 it -PRON- PRP 39928 795 41 must must MD 39928 795 42 have have VB 39928 795 43 been be VBN 39928 795 44 many many JJ 39928 795 45 hundred hundred CD 39928 795 46 times time NNS 39928 795 47 less less RBR 39928 795 48 dense dense JJ 39928 795 49 than than IN 39928 795 50 this this DT 39928 795 51 at at IN 39928 795 52 and and CC 39928 795 53 near near IN 39928 795 54 its -PRON- PRP$ 39928 795 55 outer outer JJ 39928 795 56 surface surface NN 39928 795 57 , , , 39928 795 58 and and CC 39928 795 59 would would MD 39928 795 60 there there EX 39928 795 61 be be VB 39928 795 62 exposed expose VBN 39928 795 63 to to IN 39928 795 64 the the DT 39928 795 65 cold cold NN 39928 795 66 of of IN 39928 795 67 stellar stellar JJ 39928 795 68 space space NN 39928 795 69 -- -- : 39928 795 70 a a DT 39928 795 71 cold cold NN 39928 795 72 that that WDT 39928 795 73 would would MD 39928 795 74 solidify solidify VB 39928 795 75 hydrogen hydrogen NN 39928 795 76 . . . 39928 796 1 It -PRON- PRP 39928 796 2 is be VBZ 39928 796 3 thus thus RB 39928 796 4 evident evident JJ 39928 796 5 that that IN 39928 796 6 the the DT 39928 796 7 gases gas NNS 39928 796 8 of of IN 39928 796 9 all all PDT 39928 796 10 the the DT 39928 796 11 metallic metallic JJ 39928 796 12 and and CC 39928 796 13 other other JJ 39928 796 14 solid solid JJ 39928 796 15 elements element NNS 39928 796 16 could could MD 39928 796 17 not not RB 39928 796 18 possibly possibly RB 39928 796 19 exist exist VB 39928 796 20 as as IN 39928 796 21 such such JJ 39928 796 22 , , , 39928 796 23 but but CC 39928 796 24 would would MD 39928 796 25 rapidly rapidly RB 39928 796 26 , , , 39928 796 27 perhaps perhaps RB 39928 796 28 almost almost RB 39928 796 29 instantaneously instantaneously RB 39928 796 30 , , , 39928 796 31 become become VBN 39928 796 32 first first JJ 39928 796 33 liquid liquid NN 39928 796 34 and and CC 39928 796 35 then then RB 39928 796 36 solid solid JJ 39928 796 37 , , , 39928 796 38 forming form VBG 39928 796 39 meteoric meteoric JJ 39928 796 40 dust dust NN 39928 796 41 even even RB 39928 796 42 before before IN 39928 796 43 contraction contraction NN 39928 796 44 had have VBD 39928 796 45 gone go VBN 39928 796 46 far far RB 39928 796 47 enough enough RB 39928 796 48 to to TO 39928 796 49 produce produce VB 39928 796 50 such such JJ 39928 796 51 increased increase VBN 39928 796 52 rotation rotation NN 39928 796 53 as as IN 39928 796 54 would would MD 39928 796 55 throw throw VB 39928 796 56 off off RP 39928 796 57 any any DT 39928 796 58 portion portion NN 39928 796 59 of of IN 39928 796 60 the the DT 39928 796 61 gaseous gaseous JJ 39928 796 62 matter matter NN 39928 796 63 . . . 39928 797 1 Here here RB 39928 797 2 we -PRON- PRP 39928 797 3 have have VBP 39928 797 4 the the DT 39928 797 5 foundations foundation NNS 39928 797 6 of of IN 39928 797 7 the the DT 39928 797 8 meteoritic meteoritic JJ 39928 797 9 hypothesis hypothesis NN 39928 797 10 which which WDT 39928 797 11 is be VBZ 39928 797 12 now now RB 39928 797 13 steadily steadily RB 39928 797 14 making make VBG 39928 797 15 its -PRON- PRP$ 39928 797 16 way way NN 39928 797 17 . . . 39928 798 1 It -PRON- PRP 39928 798 2 is be VBZ 39928 798 3 supported support VBN 39928 798 4 by by IN 39928 798 5 the the DT 39928 798 6 fact fact NN 39928 798 7 that that IN 39928 798 8 we -PRON- PRP 39928 798 9 everywhere everywhere RB 39928 798 10 find find VBP 39928 798 11 proofs proof NNS 39928 798 12 of of IN 39928 798 13 such such JJ 39928 798 14 solid solid JJ 39928 798 15 matter matter NN 39928 798 16 in in IN 39928 798 17 the the DT 39928 798 18 planetary planetary NN 39928 798 19 spaces space NNS 39928 798 20 around around IN 39928 798 21 us -PRON- PRP 39928 798 22 . . . 39928 799 1 It -PRON- PRP 39928 799 2 falls fall VBZ 39928 799 3 continually continually RB 39928 799 4 upon upon IN 39928 799 5 the the DT 39928 799 6 earth earth NN 39928 799 7 . . . 39928 800 1 It -PRON- PRP 39928 800 2 can can MD 39928 800 3 be be VB 39928 800 4 collected collect VBN 39928 800 5 on on IN 39928 800 6 the the DT 39928 800 7 Arctic Arctic NNP 39928 800 8 and and CC 39928 800 9 Alpine Alpine NNP 39928 800 10 snows snow VBZ 39928 800 11 . . . 39928 801 1 It -PRON- PRP 39928 801 2 occurs occur VBZ 39928 801 3 everywhere everywhere RB 39928 801 4 in in IN 39928 801 5 the the DT 39928 801 6 deepest deep JJS 39928 801 7 abysses abyss NNS 39928 801 8 of of IN 39928 801 9 the the DT 39928 801 10 ocean ocean NN 39928 801 11 where where WRB 39928 801 12 there there EX 39928 801 13 are be VBP 39928 801 14 not not RB 39928 801 15 sufficient sufficient JJ 39928 801 16 organic organic JJ 39928 801 17 deposits deposit NNS 39928 801 18 to to TO 39928 801 19 mask mask VB 39928 801 20 it -PRON- PRP 39928 801 21 . . . 39928 802 1 It -PRON- PRP 39928 802 2 constitutes constitute VBZ 39928 802 3 , , , 39928 802 4 as as IN 39928 802 5 has have VBZ 39928 802 6 now now RB 39928 802 7 been be VBN 39928 802 8 demonstrated demonstrate VBN 39928 802 9 , , , 39928 802 10 the the DT 39928 802 11 rings ring NNS 39928 802 12 of of IN 39928 802 13 Saturn Saturn NNP 39928 802 14 . . . 39928 803 1 Thousands thousand NNS 39928 803 2 of of IN 39928 803 3 vast vast JJ 39928 803 4 rings ring NNS 39928 803 5 of of IN 39928 803 6 solid solid JJ 39928 803 7 particles particle NNS 39928 803 8 circulate circulate VBP 39928 803 9 around around IN 39928 803 10 the the DT 39928 803 11 sun sun NN 39928 803 12 , , , 39928 803 13 and and CC 39928 803 14 when when WRB 39928 803 15 our -PRON- PRP$ 39928 803 16 earth earth NN 39928 803 17 crosses cross VBZ 39928 803 18 any any DT 39928 803 19 of of IN 39928 803 20 these these DT 39928 803 21 rings ring NNS 39928 803 22 , , , 39928 803 23 and and CC 39928 803 24 their -PRON- PRP$ 39928 803 25 particles particle NNS 39928 803 26 enter enter VBP 39928 803 27 our -PRON- PRP$ 39928 803 28 atmosphere atmosphere NN 39928 803 29 with with IN 39928 803 30 planetary planetary NN 39928 803 31 velocity velocity NN 39928 803 32 , , , 39928 803 33 the the DT 39928 803 34 friction friction NN 39928 803 35 ignites ignite VBZ 39928 803 36 them -PRON- PRP 39928 803 37 and and CC 39928 803 38 we -PRON- PRP 39928 803 39 see see VBP 39928 803 40 falling fall VBG 39928 803 41 stars star NNS 39928 803 42 . . . 39928 804 1 Comets comet NNS 39928 804 2 ' ' POS 39928 804 3 tails tail NNS 39928 804 4 , , , 39928 804 5 the the DT 39928 804 6 sun sun NN 39928 804 7 's 's POS 39928 804 8 corona corona NN 39928 804 9 , , , 39928 804 10 and and CC 39928 804 11 the the DT 39928 804 12 zodiacal zodiacal JJ 39928 804 13 light light NN 39928 804 14 are be VBP 39928 804 15 three three CD 39928 804 16 strange strange JJ 39928 804 17 phenomena phenomenon NNS 39928 804 18 , , , 39928 804 19 which which WDT 39928 804 20 , , , 39928 804 21 though though IN 39928 804 22 wholly wholly RB 39928 804 23 insoluble insoluble JJ 39928 804 24 on on IN 39928 804 25 any any DT 39928 804 26 theory theory NN 39928 804 27 of of IN 39928 804 28 gaseous gaseous JJ 39928 804 29 formation formation NN 39928 804 30 , , , 39928 804 31 receive receive VBP 39928 804 32 their -PRON- PRP$ 39928 804 33 intelligible intelligible JJ 39928 804 34 explanation explanation NN 39928 804 35 by by IN 39928 804 36 means mean NNS 39928 804 37 of of IN 39928 804 38 excessively excessively RB 39928 804 39 minute minute JJ 39928 804 40 solid solid JJ 39928 804 41 particles particle NNS 39928 804 42 -- -- : 39928 804 43 microscopic microscopic JJ 39928 804 44 cosmic cosmic JJ 39928 804 45 dust dust NN 39928 804 46 -- -- : 39928 804 47 driven drive VBN 39928 804 48 outward outward RB 39928 804 49 by by IN 39928 804 50 the the DT 39928 804 51 tremendous tremendous JJ 39928 804 52 electrical electrical JJ 39928 804 53 repulsions repulsion NNS 39928 804 54 that that WDT 39928 804 55 emanate emanate VBP 39928 804 56 from from IN 39928 804 57 the the DT 39928 804 58 sun sun NN 39928 804 59 . . . 39928 805 1 Having have VBG 39928 805 2 these these DT 39928 805 3 and and CC 39928 805 4 other other JJ 39928 805 5 proofs proof NNS 39928 805 6 that that IN 39928 805 7 solid solid JJ 39928 805 8 matter matter NN 39928 805 9 , , , 39928 805 10 ranging range VBG 39928 805 11 in in IN 39928 805 12 size size NN 39928 805 13 , , , 39928 805 14 perhaps perhaps RB 39928 805 15 , , , 39928 805 16 from from IN 39928 805 17 the the DT 39928 805 18 majestic majestic JJ 39928 805 19 orbs orb NNS 39928 805 20 of of IN 39928 805 21 Jupiter Jupiter NNP 39928 805 22 and and CC 39928 805 23 Saturn Saturn NNP 39928 805 24 down down RP 39928 805 25 to to IN 39928 805 26 the the DT 39928 805 27 inconceivably inconceivably RB 39928 805 28 minute minute JJ 39928 805 29 particles particle NNS 39928 805 30 driven drive VBN 39928 805 31 millions million NNS 39928 805 32 of of IN 39928 805 33 miles mile NNS 39928 805 34 into into IN 39928 805 35 space space NN 39928 805 36 to to TO 39928 805 37 form form VB 39928 805 38 a a DT 39928 805 39 comet comet NN 39928 805 40 's 's POS 39928 805 41 tail tail NN 39928 805 42 , , , 39928 805 43 does do VBZ 39928 805 44 actually actually RB 39928 805 45 exist exist VB 39928 805 46 everywhere everywhere RB 39928 805 47 around around IN 39928 805 48 us -PRON- PRP 39928 805 49 , , , 39928 805 50 and and CC 39928 805 51 by by IN 39928 805 52 collisions collision NNS 39928 805 53 between between IN 39928 805 54 the the DT 39928 805 55 particles particle NNS 39928 805 56 or or CC 39928 805 57 with with IN 39928 805 58 planetary planetary JJ 39928 805 59 atmospheres atmosphere NNS 39928 805 60 can can MD 39928 805 61 produce produce VB 39928 805 62 heat heat NN 39928 805 63 and and CC 39928 805 64 light light NN 39928 805 65 and and CC 39928 805 66 gaseous gaseous JJ 39928 805 67 emanations emanation NNS 39928 805 68 , , , 39928 805 69 we -PRON- PRP 39928 805 70 find find VBP 39928 805 71 a a DT 39928 805 72 basis basis NN 39928 805 73 of of IN 39928 805 74 fact fact NN 39928 805 75 and and CC 39928 805 76 observation observation NN 39928 805 77 for for IN 39928 805 78 the the DT 39928 805 79 meteoritic meteoritic JJ 39928 805 80 hypothesis hypothesis NN 39928 805 81 which which WDT 39928 805 82 Laplace Laplace NNP 39928 805 83 's 's POS 39928 805 84 nebular nebular NN 39928 805 85 , , , 39928 805 86 and and CC 39928 805 87 essentially essentially RB 39928 805 88 gaseous gaseous JJ 39928 805 89 , , , 39928 805 90 theory theory NN 39928 805 91 does do VBZ 39928 805 92 not not RB 39928 805 93 possess possess VB 39928 805 94 . . . 39928 806 1 During during IN 39928 806 2 the the DT 39928 806 3 latter latter JJ 39928 806 4 half half NN 39928 806 5 of of IN 39928 806 6 the the DT 39928 806 7 nineteenth nineteenth JJ 39928 806 8 century century NN 39928 806 9 several several JJ 39928 806 10 writers writer NNS 39928 806 11 suggested suggest VBD 39928 806 12 this this DT 39928 806 13 idea idea NN 39928 806 14 of of IN 39928 806 15 the the DT 39928 806 16 possible possible JJ 39928 806 17 formation formation NN 39928 806 18 of of IN 39928 806 19 the the DT 39928 806 20 Solar Solar NNP 39928 806 21 System System NNP 39928 806 22 , , , 39928 806 23 but but CC 39928 806 24 so so RB 39928 806 25 far far RB 39928 806 26 as as IN 39928 806 27 I -PRON- PRP 39928 806 28 am be VBP 39928 806 29 aware aware JJ 39928 806 30 , , , 39928 806 31 the the DT 39928 806 32 late late JJ 39928 806 33 R.A. R.A. NNP 39928 806 34 Proctor Proctor NNP 39928 806 35 was be VBD 39928 806 36 the the DT 39928 806 37 first first JJ 39928 806 38 to to TO 39928 806 39 discuss discuss VB 39928 806 40 it -PRON- PRP 39928 806 41 in in IN 39928 806 42 any any DT 39928 806 43 detail detail NN 39928 806 44 , , , 39928 806 45 and and CC 39928 806 46 to to TO 39928 806 47 show show VB 39928 806 48 that that IN 39928 806 49 it -PRON- PRP 39928 806 50 explained explain VBD 39928 806 51 many many JJ 39928 806 52 of of IN 39928 806 53 the the DT 39928 806 54 peculiarities peculiarity NNS 39928 806 55 in in IN 39928 806 56 the the DT 39928 806 57 size size NN 39928 806 58 and and CC 39928 806 59 arrangement arrangement NN 39928 806 60 of of IN 39928 806 61 the the DT 39928 806 62 planets planet NNS 39928 806 63 and and CC 39928 806 64 their -PRON- PRP$ 39928 806 65 satellites satellite NNS 39928 806 66 which which WDT 39928 806 67 the the DT 39928 806 68 nebular nebular JJ 39928 806 69 hypothesis hypothesis NN 39928 806 70 did do VBD 39928 806 71 not not RB 39928 806 72 explain explain VB 39928 806 73 . . . 39928 807 1 This this DT 39928 807 2 he -PRON- PRP 39928 807 3 does do VBZ 39928 807 4 at at IN 39928 807 5 some some DT 39928 807 6 length length NN 39928 807 7 in in IN 39928 807 8 the the DT 39928 807 9 chapter chapter NN 39928 807 10 on on IN 39928 807 11 meteors meteor NNS 39928 807 12 and and CC 39928 807 13 comets comet NNS 39928 807 14 in in IN 39928 807 15 his -PRON- PRP$ 39928 807 16 _ _ NNP 39928 807 17 Other other JJ 39928 807 18 Worlds world NNS 39928 807 19 than than IN 39928 807 20 Ours ours PRP$ 39928 807 21 _ _ NNP 39928 807 22 , , , 39928 807 23 published publish VBN 39928 807 24 in in IN 39928 807 25 1870 1870 CD 39928 807 26 . . . 39928 808 1 He -PRON- PRP 39928 808 2 assumed assume VBD 39928 808 3 , , , 39928 808 4 instead instead RB 39928 808 5 of of IN 39928 808 6 the the DT 39928 808 7 fire fire NN 39928 808 8 - - HYPH 39928 808 9 mist mist NN 39928 808 10 of of IN 39928 808 11 Laplace Laplace NNP 39928 808 12 , , , 39928 808 13 that that IN 39928 808 14 the the DT 39928 808 15 space space NN 39928 808 16 now now RB 39928 808 17 occupied occupy VBN 39928 808 18 by by IN 39928 808 19 the the DT 39928 808 20 solar solar JJ 39928 808 21 system system NN 39928 808 22 , , , 39928 808 23 and and CC 39928 808 24 for for IN 39928 808 25 an an DT 39928 808 26 unknown unknown JJ 39928 808 27 distance distance NN 39928 808 28 around around IN 39928 808 29 it -PRON- PRP 39928 808 30 , , , 39928 808 31 was be VBD 39928 808 32 occupied occupy VBN 39928 808 33 by by IN 39928 808 34 vast vast JJ 39928 808 35 quantities quantity NNS 39928 808 36 of of IN 39928 808 37 solid solid JJ 39928 808 38 particles particle NNS 39928 808 39 of of IN 39928 808 40 all all PDT 39928 808 41 the the DT 39928 808 42 kinds kind NNS 39928 808 43 of of IN 39928 808 44 matter matter NN 39928 808 45 which which WDT 39928 808 46 we -PRON- PRP 39928 808 47 now now RB 39928 808 48 find find VBP 39928 808 49 in in IN 39928 808 50 the the DT 39928 808 51 earth earth NN 39928 808 52 , , , 39928 808 53 sun sun NN 39928 808 54 , , , 39928 808 55 and and CC 39928 808 56 stars star NNS 39928 808 57 . . . 39928 809 1 This this DT 39928 809 2 matter matter NN 39928 809 3 was be VBD 39928 809 4 dispersed disperse VBN 39928 809 5 somewhat somewhat RB 39928 809 6 irregularly irregularly RB 39928 809 7 , , , 39928 809 8 as as IN 39928 809 9 we -PRON- PRP 39928 809 10 see see VBP 39928 809 11 that that IN 39928 809 12 all all PDT 39928 809 13 the the DT 39928 809 14 matter matter NN 39928 809 15 of of IN 39928 809 16 the the DT 39928 809 17 universe universe NN 39928 809 18 is be VBZ 39928 809 19 now now RB 39928 809 20 distributed distribute VBN 39928 809 21 ; ; : 39928 809 22 and and CC 39928 809 23 he -PRON- PRP 39928 809 24 further further RB 39928 809 25 assumed assume VBD 39928 809 26 that that IN 39928 809 27 it -PRON- PRP 39928 809 28 was be VBD 39928 809 29 all all DT 39928 809 30 in in IN 39928 809 31 motion motion NN 39928 809 32 , , , 39928 809 33 as as IN 39928 809 34 we -PRON- PRP 39928 809 35 now now RB 39928 809 36 know know VBP 39928 809 37 that that IN 39928 809 38 all all PDT 39928 809 39 the the DT 39928 809 40 stars star NNS 39928 809 41 and and CC 39928 809 42 other other JJ 39928 809 43 cosmical cosmical JJ 39928 809 44 masses masse NNS 39928 809 45 are be VBP 39928 809 46 , , , 39928 809 47 and and CC 39928 809 48 must must MD 39928 809 49 be be VB 39928 809 50 , , , 39928 809 51 in in IN 39928 809 52 motion motion NN 39928 809 53 towards towards IN 39928 809 54 or or CC 39928 809 55 around around IN 39928 809 56 some some DT 39928 809 57 centre centre NN 39928 809 58 . . . 39928 810 1 Under under IN 39928 810 2 these these DT 39928 810 3 conditions condition NNS 39928 810 4 , , , 39928 810 5 wherever wherever WRB 39928 810 6 the the DT 39928 810 7 matter matter NN 39928 810 8 was be VBD 39928 810 9 most most RBS 39928 810 10 aggregated aggregate VBN 39928 810 11 , , , 39928 810 12 there there EX 39928 810 13 would would MD 39928 810 14 be be VB 39928 810 15 a a DT 39928 810 16 centre centre NN 39928 810 17 of of IN 39928 810 18 attraction attraction NN 39928 810 19 through through IN 39928 810 20 gravitation gravitation NN 39928 810 21 , , , 39928 810 22 which which WDT 39928 810 23 would would MD 39928 810 24 necessarily necessarily RB 39928 810 25 lead lead VB 39928 810 26 to to IN 39928 810 27 further further JJ 39928 810 28 aggregation aggregation NN 39928 810 29 , , , 39928 810 30 and and CC 39928 810 31 the the DT 39928 810 32 continual continual JJ 39928 810 33 impacts impact NNS 39928 810 34 of of IN 39928 810 35 such such JJ 39928 810 36 aggregating aggregating JJ 39928 810 37 matter matter NN 39928 810 38 would would MD 39928 810 39 produce produce VB 39928 810 40 heat heat NN 39928 810 41 . . . 39928 811 1 In in IN 39928 811 2 course course NN 39928 811 3 of of IN 39928 811 4 time time NN 39928 811 5 , , , 39928 811 6 if if IN 39928 811 7 the the DT 39928 811 8 supply supply NN 39928 811 9 of of IN 39928 811 10 cosmic cosmic JJ 39928 811 11 matter matter NN 39928 811 12 was be VBD 39928 811 13 ample ample JJ 39928 811 14 ( ( -LRB- 39928 811 15 as as IN 39928 811 16 the the DT 39928 811 17 result result NN 39928 811 18 shows show VBZ 39928 811 19 that that IN 39928 811 20 it -PRON- PRP 39928 811 21 must must MD 39928 811 22 have have VB 39928 811 23 been be VBN 39928 811 24 , , , 39928 811 25 whatever whatever WDT 39928 811 26 theory theory NN 39928 811 27 we -PRON- PRP 39928 811 28 adopt adopt VBP 39928 811 29 ) ) -RRB- 39928 811 30 , , , 39928 811 31 our -PRON- PRP$ 39928 811 32 sun sun NN 39928 811 33 , , , 39928 811 34 thus thus RB 39928 811 35 formed form VBN 39928 811 36 , , , 39928 811 37 would would MD 39928 811 38 approximate approximate VB 39928 811 39 to to IN 39928 811 40 its -PRON- PRP$ 39928 811 41 present present JJ 39928 811 42 mass mass NN 39928 811 43 and and CC 39928 811 44 acquire acquire VB 39928 811 45 sufficient sufficient JJ 39928 811 46 heat heat NN 39928 811 47 by by IN 39928 811 48 collision collision NN 39928 811 49 and and CC 39928 811 50 gravitation gravitation NN 39928 811 51 to to TO 39928 811 52 convert convert VB 39928 811 53 its -PRON- PRP$ 39928 811 54 whole whole JJ 39928 811 55 body body NN 39928 811 56 into into IN 39928 811 57 the the DT 39928 811 58 liquid liquid JJ 39928 811 59 or or CC 39928 811 60 gaseous gaseous JJ 39928 811 61 condition condition NN 39928 811 62 . . . 39928 812 1 While while IN 39928 812 2 this this DT 39928 812 3 was be VBD 39928 812 4 going go VBG 39928 812 5 on on RP 39928 812 6 , , , 39928 812 7 subordinate subordinate JJ 39928 812 8 centres centre NNS 39928 812 9 of of IN 39928 812 10 aggregation aggregation NN 39928 812 11 might may MD 39928 812 12 form form VB 39928 812 13 , , , 39928 812 14 which which WDT 39928 812 15 would would MD 39928 812 16 capture capture VB 39928 812 17 a a DT 39928 812 18 certain certain JJ 39928 812 19 proportion proportion NN 39928 812 20 of of IN 39928 812 21 the the DT 39928 812 22 matter matter NN 39928 812 23 flowing flow VBG 39928 812 24 in in RP 39928 812 25 under under IN 39928 812 26 the the DT 39928 812 27 attraction attraction NN 39928 812 28 of of IN 39928 812 29 the the DT 39928 812 30 central central JJ 39928 812 31 mass mass NN 39928 812 32 , , , 39928 812 33 while while IN 39928 812 34 , , , 39928 812 35 owing owe VBG 39928 812 36 to to IN 39928 812 37 the the DT 39928 812 38 nearly nearly RB 39928 812 39 uniform uniform JJ 39928 812 40 direction direction NN 39928 812 41 and and CC 39928 812 42 velocity velocity NN 39928 812 43 with with IN 39928 812 44 which which WDT 39928 812 45 the the DT 39928 812 46 whole whole JJ 39928 812 47 system system NN 39928 812 48 was be VBD 39928 812 49 revolving revolving JJ 39928 812 50 , , , 39928 812 51 each each DT 39928 812 52 subordinate subordinate JJ 39928 812 53 centre centre NN 39928 812 54 would would MD 39928 812 55 revolve revolve VB 39928 812 56 around around IN 39928 812 57 the the DT 39928 812 58 central central JJ 39928 812 59 mass mass NN 39928 812 60 , , , 39928 812 61 in in IN 39928 812 62 somewhat somewhat RB 39928 812 63 different different JJ 39928 812 64 planes plane NNS 39928 812 65 , , , 39928 812 66 but but CC 39928 812 67 all all DT 39928 812 68 in in IN 39928 812 69 the the DT 39928 812 70 same same JJ 39928 812 71 direction direction NN 39928 812 72 . . . 39928 813 1 Mr. Mr. NNP 39928 813 2 Proctor Proctor NNP 39928 813 3 shows show VBZ 39928 813 4 the the DT 39928 813 5 probability probability NN 39928 813 6 that that IN 39928 813 7 the the DT 39928 813 8 largest large JJS 39928 813 9 outside outside JJ 39928 813 10 aggregation aggregation NN 39928 813 11 would would MD 39928 813 12 be be VB 39928 813 13 at at IN 39928 813 14 a a DT 39928 813 15 great great JJ 39928 813 16 distance distance NN 39928 813 17 from from IN 39928 813 18 the the DT 39928 813 19 central central JJ 39928 813 20 mass mass NN 39928 813 21 , , , 39928 813 22 and and CC 39928 813 23 this this DT 39928 813 24 having have VBG 39928 813 25 once once RB 39928 813 26 been be VBN 39928 813 27 formed form VBN 39928 813 28 , , , 39928 813 29 any any DT 39928 813 30 centres centre NNS 39928 813 31 farther far RBR 39928 813 32 away away RB 39928 813 33 from from IN 39928 813 34 the the DT 39928 813 35 sun sun NN 39928 813 36 would would MD 39928 813 37 be be VB 39928 813 38 both both DT 39928 813 39 smaller small JJR 39928 813 40 and and CC 39928 813 41 very very RB 39928 813 42 remote remote JJ 39928 813 43 , , , 39928 813 44 while while IN 39928 813 45 those those DT 39928 813 46 inside inside IN 39928 813 47 the the DT 39928 813 48 first first JJ 39928 813 49 would would NN 39928 813 50 , , , 39928 813 51 as as IN 39928 813 52 a a DT 39928 813 53 rule rule NN 39928 813 54 , , , 39928 813 55 become become VB 39928 813 56 smaller small JJR 39928 813 57 as as IN 39928 813 58 they -PRON- PRP 39928 813 59 were be VBD 39928 813 60 nearer nearer IN 39928 813 61 the the DT 39928 813 62 centre centre NN 39928 813 63 . . . 39928 814 1 The the DT 39928 814 2 heated heated JJ 39928 814 3 condition condition NN 39928 814 4 of of IN 39928 814 5 the the DT 39928 814 6 earth earth NN 39928 814 7 's 's POS 39928 814 8 interior interior NN 39928 814 9 would would MD 39928 814 10 thus thus RB 39928 814 11 be be VB 39928 814 12 due due JJ 39928 814 13 , , , 39928 814 14 not not RB 39928 814 15 to to IN 39928 814 16 the the DT 39928 814 17 primitive primitive JJ 39928 814 18 heat heat NN 39928 814 19 of of IN 39928 814 20 matter matter NN 39928 814 21 in in IN 39928 814 22 a a DT 39928 814 23 gaseous gaseous JJ 39928 814 24 state state NN 39928 814 25 out out IN 39928 814 26 of of IN 39928 814 27 which which WDT 39928 814 28 it -PRON- PRP 39928 814 29 was be VBD 39928 814 30 formed form VBN 39928 814 31 -- -- : 39928 814 32 a a DT 39928 814 33 condition condition NN 39928 814 34 physically physically RB 39928 814 35 impossible impossible JJ 39928 814 36 -- -- : 39928 814 37 but but CC 39928 814 38 would would MD 39928 814 39 be be VB 39928 814 40 acquired acquire VBN 39928 814 41 in in IN 39928 814 42 the the DT 39928 814 43 process process NN 39928 814 44 of of IN 39928 814 45 aggregation aggregation NN 39928 814 46 by by IN 39928 814 47 the the DT 39928 814 48 collisions collision NNS 39928 814 49 of of IN 39928 814 50 meteoric meteoric JJ 39928 814 51 masses masse NNS 39928 814 52 falling fall VBG 39928 814 53 on on IN 39928 814 54 it -PRON- PRP 39928 814 55 , , , 39928 814 56 and and CC 39928 814 57 by by IN 39928 814 58 its -PRON- PRP$ 39928 814 59 own own JJ 39928 814 60 gravitative gravitative JJ 39928 814 61 force force NN 39928 814 62 producing produce VBG 39928 814 63 continuous continuous JJ 39928 814 64 condensation condensation NN 39928 814 65 and and CC 39928 814 66 heat heat NN 39928 814 67 . . . 39928 815 1 On on IN 39928 815 2 this this DT 39928 815 3 view view NN 39928 815 4 Jupiter Jupiter NNP 39928 815 5 would would MD 39928 815 6 probably probably RB 39928 815 7 be be VB 39928 815 8 formed form VBN 39928 815 9 first first RB 39928 815 10 , , , 39928 815 11 and and CC 39928 815 12 after after IN 39928 815 13 him -PRON- PRP 39928 815 14 at at IN 39928 815 15 very very RB 39928 815 16 great great JJ 39928 815 17 distances distance NNS 39928 815 18 , , , 39928 815 19 Saturn Saturn NNP 39928 815 20 , , , 39928 815 21 Uranus Uranus NNP 39928 815 22 , , , 39928 815 23 and and CC 39928 815 24 Neptune Neptune NNP 39928 815 25 ; ; : 39928 815 26 while while IN 39928 815 27 the the DT 39928 815 28 inner inner JJ 39928 815 29 aggregations aggregation NNS 39928 815 30 would would MD 39928 815 31 be be VB 39928 815 32 smaller small JJR 39928 815 33 , , , 39928 815 34 as as IN 39928 815 35 the the DT 39928 815 36 much much RB 39928 815 37 greater great JJR 39928 815 38 attractive attractive JJ 39928 815 39 power power NN 39928 815 40 of of IN 39928 815 41 the the DT 39928 815 42 sun sun NN 39928 815 43 would would MD 39928 815 44 give give VB 39928 815 45 them -PRON- PRP 39928 815 46 comparatively comparatively RB 39928 815 47 little little JJ 39928 815 48 opportunity opportunity NN 39928 815 49 of of IN 39928 815 50 capturing capture VBG 39928 815 51 the the DT 39928 815 52 meteoric meteoric JJ 39928 815 53 matter matter NN 39928 815 54 that that WDT 39928 815 55 was be VBD 39928 815 56 continuously continuously RB 39928 815 57 flowing flow VBG 39928 815 58 towards towards IN 39928 815 59 him -PRON- PRP 39928 815 60 . . . 39928 816 1 THE the DT 39928 816 2 METEORITIC METEORITIC NNP 39928 816 3 NATURE NATURE NNS 39928 816 4 OF of IN 39928 816 5 THE the DT 39928 816 6 NEBULÆ NEBULÆ NNP 39928 816 7 Having have VBG 39928 816 8 thus thus RB 39928 816 9 reached reach VBN 39928 816 10 the the DT 39928 816 11 conclusion conclusion NN 39928 816 12 that that IN 39928 816 13 wherever wherever WRB 39928 816 14 apparently apparently RB 39928 816 15 nebulous nebulous JJ 39928 816 16 matter matter NN 39928 816 17 exists exist VBZ 39928 816 18 within within IN 39928 816 19 the the DT 39928 816 20 limits limit NNS 39928 816 21 of of IN 39928 816 22 the the DT 39928 816 23 solar solar JJ 39928 816 24 system system NN 39928 816 25 it -PRON- PRP 39928 816 26 is be VBZ 39928 816 27 not not RB 39928 816 28 gaseous gaseous JJ 39928 816 29 but but CC 39928 816 30 consists consist VBZ 39928 816 31 of of IN 39928 816 32 solid solid JJ 39928 816 33 particles particle NNS 39928 816 34 , , , 39928 816 35 or or CC 39928 816 36 , , , 39928 816 37 if if IN 39928 816 38 heated heated JJ 39928 816 39 gases gas NNS 39928 816 40 are be VBP 39928 816 41 associated associate VBN 39928 816 42 with with IN 39928 816 43 the the DT 39928 816 44 solid solid JJ 39928 816 45 matter matter NN 39928 816 46 they -PRON- PRP 39928 816 47 can can MD 39928 816 48 be be VB 39928 816 49 accounted account VBN 39928 816 50 for for IN 39928 816 51 by by IN 39928 816 52 the the DT 39928 816 53 heat heat NN 39928 816 54 due due JJ 39928 816 55 to to IN 39928 816 56 collisions collision NNS 39928 816 57 either either CC 39928 816 58 with with IN 39928 816 59 other other JJ 39928 816 60 solid solid JJ 39928 816 61 particles particle NNS 39928 816 62 or or CC 39928 816 63 with with IN 39928 816 64 accumulations accumulation NNS 39928 816 65 of of IN 39928 816 66 gases gas NNS 39928 816 67 at at IN 39928 816 68 a a DT 39928 816 69 low low JJ 39928 816 70 temperature temperature NN 39928 816 71 , , , 39928 816 72 as as IN 39928 816 73 when when WRB 39928 816 74 meteorites meteorite NNS 39928 816 75 enter enter VBP 39928 816 76 our -PRON- PRP$ 39928 816 77 atmosphere atmosphere NN 39928 816 78 , , , 39928 816 79 it -PRON- PRP 39928 816 80 was be VBD 39928 816 81 an an DT 39928 816 82 easy easy JJ 39928 816 83 step step NN 39928 816 84 to to TO 39928 816 85 consider consider VB 39928 816 86 whether whether IN 39928 816 87 the the DT 39928 816 88 cosmic cosmic JJ 39928 816 89 nebulæ nebulæ NN 39928 816 90 and and CC 39928 816 91 stars star NNS 39928 816 92 may may MD 39928 816 93 not not RB 39928 816 94 have have VB 39928 816 95 had have VBN 39928 816 96 a a DT 39928 816 97 similar similar JJ 39928 816 98 origin origin NN 39928 816 99 . . . 39928 817 1 From from IN 39928 817 2 this this DT 39928 817 3 point point NN 39928 817 4 of of IN 39928 817 5 view view NN 39928 817 6 the the DT 39928 817 7 nebulæ nebulæ NNS 39928 817 8 are be VBP 39928 817 9 supposed suppose VBN 39928 817 10 to to TO 39928 817 11 be be VB 39928 817 12 vast vast JJ 39928 817 13 aggregations aggregation NNS 39928 817 14 of of IN 39928 817 15 meteorites meteorite NNS 39928 817 16 or or CC 39928 817 17 cosmic cosmic JJ 39928 817 18 dust dust NN 39928 817 19 , , , 39928 817 20 or or CC 39928 817 21 of of IN 39928 817 22 the the DT 39928 817 23 more more RBR 39928 817 24 persistent persistent JJ 39928 817 25 gases gas NNS 39928 817 26 , , , 39928 817 27 revolving revolve VBG 39928 817 28 with with IN 39928 817 29 circular circular JJ 39928 817 30 or or CC 39928 817 31 spiral spiral JJ 39928 817 32 motions motion NNS 39928 817 33 , , , 39928 817 34 or or CC 39928 817 35 in in IN 39928 817 36 irregular irregular JJ 39928 817 37 streams stream NNS 39928 817 38 , , , 39928 817 39 and and CC 39928 817 40 so so RB 39928 817 41 sparsely sparsely RB 39928 817 42 scattered scatter VBN 39928 817 43 that that IN 39928 817 44 the the DT 39928 817 45 separate separate JJ 39928 817 46 particles particle NNS 39928 817 47 of of IN 39928 817 48 dust dust NN 39928 817 49 may may MD 39928 817 50 be be VB 39928 817 51 miles mile NNS 39928 817 52 -- -- : 39928 817 53 perhaps perhaps RB 39928 817 54 hundreds hundred NNS 39928 817 55 of of IN 39928 817 56 miles mile NNS 39928 817 57 -- -- : 39928 817 58 apart apart RB 39928 817 59 ; ; : 39928 817 60 yet yet CC 39928 817 61 even even RB 39928 817 62 those those DT 39928 817 63 nebulæ nebulæ JJ 39928 817 64 , , , 39928 817 65 only only RB 39928 817 66 visible visible JJ 39928 817 67 by by IN 39928 817 68 the the DT 39928 817 69 telescope telescope NN 39928 817 70 , , , 39928 817 71 may may MD 39928 817 72 contain contain VB 39928 817 73 as as RB 39928 817 74 much much JJ 39928 817 75 matter matter NN 39928 817 76 as as IN 39928 817 77 the the DT 39928 817 78 whole whole JJ 39928 817 79 solar solar JJ 39928 817 80 system system NN 39928 817 81 . . . 39928 818 1 From from IN 39928 818 2 this this DT 39928 818 3 simple simple JJ 39928 818 4 origin origin NN 39928 818 5 , , , 39928 818 6 by by IN 39928 818 7 steps step NNS 39928 818 8 which which WDT 39928 818 9 can can MD 39928 818 10 be be VB 39928 818 11 observed observe VBN 39928 818 12 in in IN 39928 818 13 the the DT 39928 818 14 skies sky NNS 39928 818 15 , , , 39928 818 16 almost almost RB 39928 818 17 all all PDT 39928 818 18 the the DT 39928 818 19 forms form NNS 39928 818 20 of of IN 39928 818 21 suns sun NNS 39928 818 22 and and CC 39928 818 23 systems system NNS 39928 818 24 can can MD 39928 818 25 be be VB 39928 818 26 traced trace VBN 39928 818 27 by by IN 39928 818 28 means mean NNS 39928 818 29 of of IN 39928 818 30 the the DT 39928 818 31 known know VBN 39928 818 32 laws law NNS 39928 818 33 of of IN 39928 818 34 motion motion NN 39928 818 35 , , , 39928 818 36 of of IN 39928 818 37 heat heat NN 39928 818 38 - - HYPH 39928 818 39 production production NN 39928 818 40 , , , 39928 818 41 and and CC 39928 818 42 of of IN 39928 818 43 chemical chemical NN 39928 818 44 action action NN 39928 818 45 . . . 39928 819 1 The the DT 39928 819 2 chief chief JJ 39928 819 3 English english JJ 39928 819 4 advocate advocate NN 39928 819 5 of of IN 39928 819 6 this this DT 39928 819 7 view view NN 39928 819 8 at at IN 39928 819 9 the the DT 39928 819 10 present present JJ 39928 819 11 time time NN 39928 819 12 is be VBZ 39928 819 13 Sir Sir NNP 39928 819 14 Norman Norman NNP 39928 819 15 Lockyer Lockyer NNP 39928 819 16 , , , 39928 819 17 who who WP 39928 819 18 , , , 39928 819 19 in in IN 39928 819 20 numerous numerous JJ 39928 819 21 papers paper NNS 39928 819 22 , , , 39928 819 23 and and CC 39928 819 24 in in IN 39928 819 25 his -PRON- PRP$ 39928 819 26 works work NNS 39928 819 27 on on IN 39928 819 28 _ _ NNP 39928 819 29 The the DT 39928 819 30 Meteoritic Meteoritic NNP 39928 819 31 Hypothesis Hypothesis NNP 39928 819 32 _ _ NNP 39928 819 33 and and CC 39928 819 34 _ _ NNP 39928 819 35 Inorganic Inorganic NNP 39928 819 36 Evolution Evolution NNP 39928 819 37 _ _ NNP 39928 819 38 , , , 39928 819 39 has have VBZ 39928 819 40 developed develop VBN 39928 819 41 it -PRON- PRP 39928 819 42 in in IN 39928 819 43 detail detail NN 39928 819 44 , , , 39928 819 45 as as IN 39928 819 46 the the DT 39928 819 47 result result NN 39928 819 48 of of IN 39928 819 49 many many JJ 39928 819 50 years year NNS 39928 819 51 ' ' POS 39928 819 52 continuous continuous JJ 39928 819 53 research research NN 39928 819 54 , , , 39928 819 55 aided aid VBN 39928 819 56 by by IN 39928 819 57 the the DT 39928 819 58 contributory contributory JJ 39928 819 59 work work NN 39928 819 60 of of IN 39928 819 61 continental continental JJ 39928 819 62 and and CC 39928 819 63 American american JJ 39928 819 64 astronomers astronomer NNS 39928 819 65 . . . 39928 820 1 These these DT 39928 820 2 views view NNS 39928 820 3 are be VBP 39928 820 4 gradually gradually RB 39928 820 5 spreading spread VBG 39928 820 6 among among IN 39928 820 7 astronomers astronomer NNS 39928 820 8 and and CC 39928 820 9 mathematicians mathematician NNS 39928 820 10 , , , 39928 820 11 as as IN 39928 820 12 will will MD 39928 820 13 be be VB 39928 820 14 seen see VBN 39928 820 15 by by IN 39928 820 16 the the DT 39928 820 17 very very RB 39928 820 18 brief brief JJ 39928 820 19 outline outline NN 39928 820 20 which which WDT 39928 820 21 will will MD 39928 820 22 now now RB 39928 820 23 be be VB 39928 820 24 given give VBN 39928 820 25 of of IN 39928 820 26 the the DT 39928 820 27 explanations explanation NNS 39928 820 28 they -PRON- PRP 39928 820 29 afford afford VBP 39928 820 30 of of IN 39928 820 31 the the DT 39928 820 32 main main JJ 39928 820 33 groups group NNS 39928 820 34 of of IN 39928 820 35 phenomena phenomenon NNS 39928 820 36 presented present VBN 39928 820 37 by by IN 39928 820 38 the the DT 39928 820 39 stellar stellar JJ 39928 820 40 universe universe NN 39928 820 41 . . . 39928 821 1 DR DR NNP 39928 821 2 . . . 39928 821 3 ROBERTS robert VBN 39928 821 4 ON ON NNP 39928 821 5 SPIRAL SPIRAL NNP 39928 821 6 NEBULÆ NEBULÆ NNP 39928 821 7 Dr. Dr. NNP 39928 821 8 Isaac Isaac NNP 39928 821 9 Roberts Roberts NNP 39928 821 10 , , , 39928 821 11 who who WP 39928 821 12 possesses possess VBZ 39928 821 13 one one CD 39928 821 14 of of IN 39928 821 15 the the DT 39928 821 16 finest fine JJS 39928 821 17 telescopes telescope NNS 39928 821 18 constructed construct VBN 39928 821 19 for for IN 39928 821 20 photographing photograph VBG 39928 821 21 stars star NNS 39928 821 22 and and CC 39928 821 23 nebulæ nebulæ NN 39928 821 24 , , , 39928 821 25 has have VBZ 39928 821 26 given give VBN 39928 821 27 his -PRON- PRP$ 39928 821 28 views view NNS 39928 821 29 on on IN 39928 821 30 stellar stellar JJ 39928 821 31 evolution evolution NN 39928 821 32 , , , 39928 821 33 in in IN 39928 821 34 _ _ NNP 39928 821 35 Knowledge Knowledge NNP 39928 821 36 _ _ NNP 39928 821 37 of of IN 39928 821 38 February February NNP 39928 821 39 1897 1897 CD 39928 821 40 , , , 39928 821 41 illustrated illustrate VBN 39928 821 42 by by IN 39928 821 43 four four CD 39928 821 44 beautiful beautiful JJ 39928 821 45 photographs photograph NNS 39928 821 46 of of IN 39928 821 47 spiral spiral JJ 39928 821 48 nebulæ nebulæ NN 39928 821 49 . . . 39928 822 1 These these DT 39928 822 2 curious curious JJ 39928 822 3 forms form NNS 39928 822 4 were be VBD 39928 822 5 at at IN 39928 822 6 first first JJ 39928 822 7 thought think VBN 39928 822 8 to to TO 39928 822 9 be be VB 39928 822 10 rare rare JJ 39928 822 11 , , , 39928 822 12 but but CC 39928 822 13 are be VBP 39928 822 14 now now RB 39928 822 15 found find VBN 39928 822 16 to to TO 39928 822 17 be be VB 39928 822 18 really really RB 39928 822 19 very very RB 39928 822 20 numerous numerous JJ 39928 822 21 when when WRB 39928 822 22 details detail NNS 39928 822 23 are be VBP 39928 822 24 brought bring VBN 39928 822 25 out out RP 39928 822 26 by by IN 39928 822 27 the the DT 39928 822 28 camera camera NN 39928 822 29 . . . 39928 823 1 Many many JJ 39928 823 2 of of IN 39928 823 3 the the DT 39928 823 4 very very RB 39928 823 5 large large JJ 39928 823 6 and and CC 39928 823 7 apparently apparently RB 39928 823 8 quite quite RB 39928 823 9 irregular irregular JJ 39928 823 10 nebulæ nebulæ NN 39928 823 11 , , , 39928 823 12 like like IN 39928 823 13 the the DT 39928 823 14 Magellanic Magellanic NNP 39928 823 15 Clouds Clouds NNPS 39928 823 16 , , , 39928 823 17 are be VBP 39928 823 18 found find VBN 39928 823 19 to to TO 39928 823 20 have have VB 39928 823 21 faint faint JJ 39928 823 22 indications indication NNS 39928 823 23 of of IN 39928 823 24 spiral spiral JJ 39928 823 25 structure structure NN 39928 823 26 . . . 39928 824 1 As as IN 39928 824 2 more more JJR 39928 824 3 than than IN 39928 824 4 ten ten CD 39928 824 5 thousand thousand CD 39928 824 6 nebulæ nebulæ NNS 39928 824 7 are be VBP 39928 824 8 now now RB 39928 824 9 known know VBN 39928 824 10 , , , 39928 824 11 and and CC 39928 824 12 new new JJ 39928 824 13 ones one NNS 39928 824 14 are be VBP 39928 824 15 continually continually RB 39928 824 16 being be VBG 39928 824 17 discovered discover VBN 39928 824 18 , , , 39928 824 19 it -PRON- PRP 39928 824 20 will will MD 39928 824 21 be be VB 39928 824 22 a a DT 39928 824 23 long long JJ 39928 824 24 time time NN 39928 824 25 before before IN 39928 824 26 these these DT 39928 824 27 can can MD 39928 824 28 all all DT 39928 824 29 be be VB 39928 824 30 carefully carefully RB 39928 824 31 studied study VBN 39928 824 32 and and CC 39928 824 33 photographed photograph VBD 39928 824 34 , , , 39928 824 35 but but CC 39928 824 36 present present JJ 39928 824 37 indications indication NNS 39928 824 38 seem seem VBP 39928 824 39 to to TO 39928 824 40 show show VB 39928 824 41 that that IN 39928 824 42 a a DT 39928 824 43 considerable considerable JJ 39928 824 44 proportion proportion NN 39928 824 45 of of IN 39928 824 46 them -PRON- PRP 39928 824 47 will will MD 39928 824 48 exhibit exhibit VB 39928 824 49 spiral spiral JJ 39928 824 50 forms form NNS 39928 824 51 . . . 39928 825 1 Dr. Dr. NNP 39928 825 2 Roberts Roberts NNP 39928 825 3 tells tell VBZ 39928 825 4 us -PRON- PRP 39928 825 5 that that IN 39928 825 6 all all PDT 39928 825 7 the the DT 39928 825 8 spiral spiral JJ 39928 825 9 nebulæ nebulæ NN 39928 825 10 he -PRON- PRP 39928 825 11 has have VBZ 39928 825 12 photographed photograph VBN 39928 825 13 are be VBP 39928 825 14 characterised characterise VBN 39928 825 15 by by IN 39928 825 16 having have VBG 39928 825 17 a a DT 39928 825 18 nucleus nucleus NN 39928 825 19 surrounded surround VBN 39928 825 20 by by IN 39928 825 21 dense dense JJ 39928 825 22 nebulosity nebulosity NN 39928 825 23 , , , 39928 825 24 most most JJS 39928 825 25 of of IN 39928 825 26 them -PRON- PRP 39928 825 27 being be VBG 39928 825 28 also also RB 39928 825 29 studded stud VBN 39928 825 30 with with IN 39928 825 31 stars star NNS 39928 825 32 . . . 39928 826 1 These these DT 39928 826 2 stars star NNS 39928 826 3 are be VBP 39928 826 4 always always RB 39928 826 5 arranged arrange VBN 39928 826 6 more more RBR 39928 826 7 or or CC 39928 826 8 less less RBR 39928 826 9 symmetrically symmetrically RB 39928 826 10 , , , 39928 826 11 following follow VBG 39928 826 12 the the DT 39928 826 13 curves curve NNS 39928 826 14 of of IN 39928 826 15 the the DT 39928 826 16 spiral spiral NN 39928 826 17 , , , 39928 826 18 while while IN 39928 826 19 outside outside IN 39928 826 20 the the DT 39928 826 21 visible visible JJ 39928 826 22 nebula nebula NN 39928 826 23 are be VBP 39928 826 24 other other JJ 39928 826 25 stars star NNS 39928 826 26 arranged arrange VBN 39928 826 27 in in IN 39928 826 28 curves curve NNS 39928 826 29 strongly strongly RB 39928 826 30 suggesting suggest VBG 39928 826 31 a a DT 39928 826 32 former former JJ 39928 826 33 greater great JJR 39928 826 34 extension extension NN 39928 826 35 of of IN 39928 826 36 the the DT 39928 826 37 nebulous nebulous JJ 39928 826 38 matter matter NN 39928 826 39 . . . 39928 827 1 This this DT 39928 827 2 is be VBZ 39928 827 3 so so RB 39928 827 4 marked mark VBN 39928 827 5 a a DT 39928 827 6 feature feature NN 39928 827 7 that that WDT 39928 827 8 it -PRON- PRP 39928 827 9 at at IN 39928 827 10 once once RB 39928 827 11 leads lead VBZ 39928 827 12 to to IN 39928 827 13 a a DT 39928 827 14 possible possible JJ 39928 827 15 explanation explanation NN 39928 827 16 of of IN 39928 827 17 the the DT 39928 827 18 numerous numerous JJ 39928 827 19 slightly slightly RB 39928 827 20 curved curved JJ 39928 827 21 lines line NNS 39928 827 22 of of IN 39928 827 23 stars star NNS 39928 827 24 found find VBN 39928 827 25 in in IN 39928 827 26 every every DT 39928 827 27 part part NN 39928 827 28 of of IN 39928 827 29 the the DT 39928 827 30 heavens heavens NNPS 39928 827 31 , , , 39928 827 32 as as IN 39928 827 33 being be VBG 39928 827 34 the the DT 39928 827 35 result result NN 39928 827 36 of of IN 39928 827 37 their -PRON- PRP$ 39928 827 38 origin origin NN 39928 827 39 from from IN 39928 827 40 spiral spiral JJ 39928 827 41 nebulæ nebulæ NN 39928 827 42 whose whose WP$ 39928 827 43 material material NN 39928 827 44 substance substance NN 39928 827 45 has have VBZ 39928 827 46 been be VBN 39928 827 47 absorbed absorb VBN 39928 827 48 by by IN 39928 827 49 them -PRON- PRP 39928 827 50 . . . 39928 828 1 Dr. Dr. NNP 39928 828 2 Roberts Roberts NNP 39928 828 3 proposes propose VBZ 39928 828 4 several several JJ 39928 828 5 problems problem NNS 39928 828 6 in in IN 39928 828 7 relation relation NN 39928 828 8 to to IN 39928 828 9 these these DT 39928 828 10 bodies body NNS 39928 828 11 : : : 39928 828 12 Of of IN 39928 828 13 what what WP 39928 828 14 materials material NNS 39928 828 15 are be VBP 39928 828 16 spiral spiral JJ 39928 828 17 nebulæ nebulæ NN 39928 828 18 composed compose VBN 39928 828 19 ? ? . 39928 829 1 Whence whence NN 39928 829 2 comes come VBZ 39928 829 3 the the DT 39928 829 4 vortical vortical JJ 39928 829 5 motion motion NN 39928 829 6 which which WDT 39928 829 7 has have VBZ 39928 829 8 produced produce VBN 39928 829 9 their -PRON- PRP$ 39928 829 10 forms form NNS 39928 829 11 ? ? . 39928 830 1 The the DT 39928 830 2 material material NN 39928 830 3 he -PRON- PRP 39928 830 4 finds find VBZ 39928 830 5 in in IN 39928 830 6 those those DT 39928 830 7 faint faint JJ 39928 830 8 clouds cloud NNS 39928 830 9 of of IN 39928 830 10 nebulous nebulous JJ 39928 830 11 matter matter NN 39928 830 12 , , , 39928 830 13 often often RB 39928 830 14 of of IN 39928 830 15 vast vast JJ 39928 830 16 extent extent NN 39928 830 17 , , , 39928 830 18 that that WDT 39928 830 19 exist exist VBP 39928 830 20 in in IN 39928 830 21 many many JJ 39928 830 22 parts part NNS 39928 830 23 of of IN 39928 830 24 the the DT 39928 830 25 sky sky NN 39928 830 26 , , , 39928 830 27 and and CC 39928 830 28 these these DT 39928 830 29 are be VBP 39928 830 30 so so RB 39928 830 31 numerous numerous JJ 39928 830 32 that that IN 39928 830 33 Sir Sir NNP 39928 830 34 William William NNP 39928 830 35 Herschel Herschel NNP 39928 830 36 alone alone RB 39928 830 37 recorded record VBD 39928 830 38 the the DT 39928 830 39 positions position NNS 39928 830 40 of of IN 39928 830 41 fifty fifty CD 39928 830 42 - - HYPH 39928 830 43 two two CD 39928 830 44 such such JJ 39928 830 45 regions region NNS 39928 830 46 , , , 39928 830 47 many many JJ 39928 830 48 of of IN 39928 830 49 which which WDT 39928 830 50 have have VBP 39928 830 51 been be VBN 39928 830 52 confirmed confirm VBN 39928 830 53 by by IN 39928 830 54 recent recent JJ 39928 830 55 photographs photograph NNS 39928 830 56 . . . 39928 831 1 Dr. Dr. NNP 39928 831 2 Roberts Roberts NNP 39928 831 3 considers consider VBZ 39928 831 4 these these DT 39928 831 5 to to TO 39928 831 6 be be VB 39928 831 7 either either CC 39928 831 8 gaseous gaseous JJ 39928 831 9 or or CC 39928 831 10 with with IN 39928 831 11 discrete discrete JJ 39928 831 12 solid solid JJ 39928 831 13 particles particle NNS 39928 831 14 intermixed intermix VBN 39928 831 15 . . . 39928 832 1 He -PRON- PRP 39928 832 2 also also RB 39928 832 3 enumerates enumerate VBZ 39928 832 4 smaller small JJR 39928 832 5 nebulous nebulous JJ 39928 832 6 masses masse NNS 39928 832 7 undergoing undergo VBG 39928 832 8 condensation condensation NN 39928 832 9 and and CC 39928 832 10 segregation segregation NN 39928 832 11 into into IN 39928 832 12 more more JJR 39928 832 13 regular regular JJ 39928 832 14 forms form NNS 39928 832 15 ; ; , 39928 832 16 spiral spiral JJ 39928 832 17 nebulæ nebulæ NN 39928 832 18 in in IN 39928 832 19 various various JJ 39928 832 20 stages stage NNS 39928 832 21 of of IN 39928 832 22 condensation condensation NN 39928 832 23 and and CC 39928 832 24 of of IN 39928 832 25 aggregation aggregation NN 39928 832 26 ; ; : 39928 832 27 elliptic elliptic JJ 39928 832 28 nebulæ nebulæ NN 39928 832 29 ; ; : 39928 832 30 and and CC 39928 832 31 globular globular JJ 39928 832 32 nebulæ nebulæ NN 39928 832 33 . . . 39928 833 1 In in IN 39928 833 2 the the DT 39928 833 3 last last JJ 39928 833 4 three three CD 39928 833 5 classes class NNS 39928 833 6 there there EX 39928 833 7 is be VBZ 39928 833 8 clear clear JJ 39928 833 9 evidence evidence NN 39928 833 10 , , , 39928 833 11 on on IN 39928 833 12 every every DT 39928 833 13 photograph photograph NN 39928 833 14 that that WDT 39928 833 15 has have VBZ 39928 833 16 been be VBN 39928 833 17 taken take VBN 39928 833 18 , , , 39928 833 19 that that DT 39928 833 20 condensation condensation NN 39928 833 21 into into IN 39928 833 22 stars star NNS 39928 833 23 or or CC 39928 833 24 star star NN 39928 833 25 like like IN 39928 833 26 forms form NNS 39928 833 27 is be VBZ 39928 833 28 now now RB 39928 833 29 going go VBG 39928 833 30 on on RP 39928 833 31 . . . 39928 834 1 He -PRON- PRP 39928 834 2 adopts adopt VBZ 39928 834 3 Sir Sir NNP 39928 834 4 Norman Norman NNP 39928 834 5 Lockyer Lockyer NNP 39928 834 6 's 's POS 39928 834 7 view view NN 39928 834 8 that that IN 39928 834 9 collisions collision NNS 39928 834 10 of of IN 39928 834 11 meteorites meteorite NNS 39928 834 12 within within IN 39928 834 13 each each DT 39928 834 14 swarm swarm NN 39928 834 15 or or CC 39928 834 16 cloud cloud NN 39928 834 17 would would MD 39928 834 18 produce produce VB 39928 834 19 luminous luminous JJ 39928 834 20 nebulosity nebulosity NN 39928 834 21 ; ; : 39928 834 22 so so RB 39928 834 23 also also RB 39928 834 24 would would MD 39928 834 25 collisions collision NNS 39928 834 26 between between IN 39928 834 27 separate separate JJ 39928 834 28 swarms swarm NNS 39928 834 29 of of IN 39928 834 30 meteorites meteorite NNS 39928 834 31 produce produce VBP 39928 834 32 the the DT 39928 834 33 conditions condition NNS 39928 834 34 required require VBN 39928 834 35 to to TO 39928 834 36 account account VB 39928 834 37 for for IN 39928 834 38 the the DT 39928 834 39 vortical vortical JJ 39928 834 40 motions motion NNS 39928 834 41 and and CC 39928 834 42 the the DT 39928 834 43 peculiar peculiar JJ 39928 834 44 distribution distribution NN 39928 834 45 of of IN 39928 834 46 the the DT 39928 834 47 nebulosity nebulosity NN 39928 834 48 in in IN 39928 834 49 the the DT 39928 834 50 spiral spiral JJ 39928 834 51 nebulæ nebulæ NN 39928 834 52 . . . 39928 835 1 Almost almost RB 39928 835 2 any any DT 39928 835 3 collision collision NN 39928 835 4 between between IN 39928 835 5 unequal unequal JJ 39928 835 6 masses masse NNS 39928 835 7 of of IN 39928 835 8 diffused diffused JJ 39928 835 9 matter matter NN 39928 835 10 would would MD 39928 835 11 , , , 39928 835 12 in in IN 39928 835 13 the the DT 39928 835 14 absence absence NN 39928 835 15 of of IN 39928 835 16 any any DT 39928 835 17 massive massive JJ 39928 835 18 central central JJ 39928 835 19 body body NN 39928 835 20 round round NN 39928 835 21 which which WDT 39928 835 22 they -PRON- PRP 39928 835 23 would would MD 39928 835 24 be be VB 39928 835 25 forced force VBN 39928 835 26 to to TO 39928 835 27 revolve revolve VB 39928 835 28 , , , 39928 835 29 lead lead VB 39928 835 30 to to IN 39928 835 31 spiral spiral JJ 39928 835 32 motions motion NNS 39928 835 33 . . . 39928 836 1 It -PRON- PRP 39928 836 2 is be VBZ 39928 836 3 to to TO 39928 836 4 be be VB 39928 836 5 noted note VBN 39928 836 6 that that IN 39928 836 7 , , , 39928 836 8 although although IN 39928 836 9 the the DT 39928 836 10 stars star NNS 39928 836 11 formed form VBN 39928 836 12 in in IN 39928 836 13 the the DT 39928 836 14 spiral spiral JJ 39928 836 15 convolutions convolution NNS 39928 836 16 of of IN 39928 836 17 the the DT 39928 836 18 nebulæ nebulæ NN 39928 836 19 follow follow VB 39928 836 20 those those DT 39928 836 21 curves curve NNS 39928 836 22 , , , 39928 836 23 and and CC 39928 836 24 retain retain VB 39928 836 25 them -PRON- PRP 39928 836 26 after after IN 39928 836 27 the the DT 39928 836 28 nebulous nebulous JJ 39928 836 29 matter matter NN 39928 836 30 has have VBZ 39928 836 31 been be VBN 39928 836 32 all all DT 39928 836 33 absorbed absorb VBN 39928 836 34 by by IN 39928 836 35 them -PRON- PRP 39928 836 36 , , , 39928 836 37 yet yet RB 39928 836 38 , , , 39928 836 39 whenever whenever WRB 39928 836 40 such such PDT 39928 836 41 a a DT 39928 836 42 nebula nebula NN 39928 836 43 is be VBZ 39928 836 44 seen see VBN 39928 836 45 by by IN 39928 836 46 us -PRON- PRP 39928 836 47 edgewise edgewise NNP 39928 836 48 , , , 39928 836 49 the the DT 39928 836 50 convolutions convolution NNS 39928 836 51 with with IN 39928 836 52 their -PRON- PRP$ 39928 836 53 enclosed enclose VBN 39928 836 54 stars star NNS 39928 836 55 will will MD 39928 836 56 appear appear VB 39928 836 57 as as IN 39928 836 58 straight straight JJ 39928 836 59 lines line NNS 39928 836 60 ; ; : 39928 836 61 and and CC 39928 836 62 thus thus RB 39928 836 63 not not RB 39928 836 64 only only RB 39928 836 65 numbers number NNS 39928 836 66 of of IN 39928 836 67 star star NN 39928 836 68 groups group NNS 39928 836 69 arranged arrange VBN 39928 836 70 in in IN 39928 836 71 curves curve NNS 39928 836 72 , , , 39928 836 73 but but CC 39928 836 74 also also RB 39928 836 75 those those DT 39928 836 76 which which WDT 39928 836 77 form form VBP 39928 836 78 almost almost RB 39928 836 79 perfect perfect JJ 39928 836 80 straight straight JJ 39928 836 81 lines line NNS 39928 836 82 , , , 39928 836 83 may may MD 39928 836 84 possibly possibly RB 39928 836 85 be be VB 39928 836 86 traced trace VBN 39928 836 87 back back RB 39928 836 88 to to IN 39928 836 89 an an DT 39928 836 90 origin origin NN 39928 836 91 from from IN 39928 836 92 spiral spiral JJ 39928 836 93 nebulæ nebulæ NN 39928 836 94 . . . 39928 837 1 Motion motion NN 39928 837 2 being be VBG 39928 837 3 a a DT 39928 837 4 necessary necessary JJ 39928 837 5 result result NN 39928 837 6 of of IN 39928 837 7 gravitation gravitation NN 39928 837 8 , , , 39928 837 9 we -PRON- PRP 39928 837 10 know know VBP 39928 837 11 that that IN 39928 837 12 every every DT 39928 837 13 star star NN 39928 837 14 , , , 39928 837 15 planet planet NN 39928 837 16 , , , 39928 837 17 comet comet NN 39928 837 18 , , , 39928 837 19 or or CC 39928 837 20 nebula nebula NNP 39928 837 21 must must MD 39928 837 22 be be VB 39928 837 23 in in IN 39928 837 24 motion motion NN 39928 837 25 through through IN 39928 837 26 space space NN 39928 837 27 , , , 39928 837 28 and and CC 39928 837 29 these these DT 39928 837 30 motions motion NNS 39928 837 31 -- -- : 39928 837 32 except except IN 39928 837 33 in in IN 39928 837 34 systems system NNS 39928 837 35 physically physically RB 39928 837 36 connected connect VBN 39928 837 37 or or CC 39928 837 38 which which WDT 39928 837 39 have have VBP 39928 837 40 had have VBN 39928 837 41 a a DT 39928 837 42 common common JJ 39928 837 43 origin origin NN 39928 837 44 -- -- : 39928 837 45 are be VBP 39928 837 46 , , , 39928 837 47 apparently apparently RB 39928 837 48 , , , 39928 837 49 in in IN 39928 837 50 all all DT 39928 837 51 directions direction NNS 39928 837 52 . . . 39928 838 1 How how WRB 39928 838 2 these these DT 39928 838 3 motions motion NNS 39928 838 4 originated originate VBD 39928 838 5 and and CC 39928 838 6 are be VBP 39928 838 7 now now RB 39928 838 8 regulated regulate VBN 39928 838 9 we -PRON- PRP 39928 838 10 do do VBP 39928 838 11 not not RB 39928 838 12 know know VB 39928 838 13 ; ; : 39928 838 14 but but CC 39928 838 15 there there RB 39928 838 16 they -PRON- PRP 39928 838 17 are be VBP 39928 838 18 , , , 39928 838 19 and and CC 39928 838 20 they -PRON- PRP 39928 838 21 furnish furnish VBP 39928 838 22 the the DT 39928 838 23 motive motive JJ 39928 838 24 power power NN 39928 838 25 of of IN 39928 838 26 the the DT 39928 838 27 collisions collision NNS 39928 838 28 , , , 39928 838 29 which which WDT 39928 838 30 , , , 39928 838 31 when when WRB 39928 838 32 affecting affect VBG 39928 838 33 large large JJ 39928 838 34 bodies body NNS 39928 838 35 or or CC 39928 838 36 masses masse NNS 39928 838 37 of of IN 39928 838 38 diffused diffused JJ 39928 838 39 matter matter NN 39928 838 40 , , , 39928 838 41 lead lead VBP 39928 838 42 to to IN 39928 838 43 the the DT 39928 838 44 formation formation NN 39928 838 45 of of IN 39928 838 46 the the DT 39928 838 47 various various JJ 39928 838 48 kinds kind NNS 39928 838 49 of of IN 39928 838 50 permanent permanent JJ 39928 838 51 stars star NNS 39928 838 52 ; ; : 39928 838 53 while while IN 39928 838 54 when when WRB 39928 838 55 smaller small JJR 39928 838 56 masses masse NNS 39928 838 57 of of IN 39928 838 58 matter matter NN 39928 838 59 are be VBP 39928 838 60 concerned concern VBN 39928 838 61 those those DT 39928 838 62 temporary temporary JJ 39928 838 63 stars star NNS 39928 838 64 are be VBP 39928 838 65 formed form VBN 39928 838 66 which which WDT 39928 838 67 have have VBP 39928 838 68 interested interested JJ 39928 838 69 astronomers astronomer NNS 39928 838 70 in in IN 39928 838 71 all all DT 39928 838 72 ages age NNS 39928 838 73 . . . 39928 839 1 It -PRON- PRP 39928 839 2 must must MD 39928 839 3 be be VB 39928 839 4 noted note VBN 39928 839 5 that that IN 39928 839 6 although although IN 39928 839 7 the the DT 39928 839 8 motions motion NNS 39928 839 9 of of IN 39928 839 10 the the DT 39928 839 11 single single JJ 39928 839 12 stars star NNS 39928 839 13 appear appear VBP 39928 839 14 to to TO 39928 839 15 be be VB 39928 839 16 in in IN 39928 839 17 straight straight JJ 39928 839 18 lines line NNS 39928 839 19 , , , 39928 839 20 yet yet CC 39928 839 21 the the DT 39928 839 22 spaces space NNS 39928 839 23 through through IN 39928 839 24 which which WDT 39928 839 25 they -PRON- PRP 39928 839 26 have have VBP 39928 839 27 been be VBN 39928 839 28 observed observe VBN 39928 839 29 to to TO 39928 839 30 move move VB 39928 839 31 are be VBP 39928 839 32 so so RB 39928 839 33 small small JJ 39928 839 34 that that IN 39928 839 35 they -PRON- PRP 39928 839 36 may may MD 39928 839 37 really really RB 39928 839 38 be be VB 39928 839 39 moving move VBG 39928 839 40 in in IN 39928 839 41 curved curved JJ 39928 839 42 orbits orbit NNS 39928 839 43 around around IN 39928 839 44 some some DT 39928 839 45 central central JJ 39928 839 46 body body NN 39928 839 47 , , , 39928 839 48 or or CC 39928 839 49 the the DT 39928 839 50 centre centre NN 39928 839 51 of of IN 39928 839 52 gravity gravity NN 39928 839 53 of of IN 39928 839 54 some some DT 39928 839 55 aggregation aggregation NN 39928 839 56 of of IN 39928 839 57 stars star NNS 39928 839 58 bright bright JJ 39928 839 59 and and CC 39928 839 60 dark dark JJ 39928 839 61 , , , 39928 839 62 which which WDT 39928 839 63 may may MD 39928 839 64 itself -PRON- PRP 39928 839 65 be be VB 39928 839 66 comparatively comparatively RB 39928 839 67 at at IN 39928 839 68 rest rest NN 39928 839 69 . . . 39928 840 1 There there EX 39928 840 2 may may MD 39928 840 3 be be VB 39928 840 4 thousands thousand NNS 39928 840 5 of of IN 39928 840 6 such such JJ 39928 840 7 centres centre NNS 39928 840 8 around around IN 39928 840 9 us -PRON- PRP 39928 840 10 , , , 39928 840 11 and and CC 39928 840 12 this this DT 39928 840 13 may may MD 39928 840 14 sufficiently sufficiently RB 39928 840 15 explain explain VB 39928 840 16 the the DT 39928 840 17 apparent apparent JJ 39928 840 18 motions motion NNS 39928 840 19 of of IN 39928 840 20 stars star NNS 39928 840 21 in in IN 39928 840 22 all all DT 39928 840 23 directions direction NNS 39928 840 24 . . . 39928 841 1 A a DT 39928 841 2 SUGGESTION suggestion NN 39928 841 3 AS as IN 39928 841 4 TO to IN 39928 841 5 THE the DT 39928 841 6 FORMATION formation NN 39928 841 7 OF of IN 39928 841 8 SPIRAL spiral NN 39928 841 9 NEBULÆ NEBULÆ NNP 39928 841 10 In in IN 39928 841 11 a a DT 39928 841 12 remarkable remarkable JJ 39928 841 13 paper paper NN 39928 841 14 in in IN 39928 841 15 the the DT 39928 841 16 Astrophysical Astrophysical NNP 39928 841 17 Journal Journal NNP 39928 841 18 ( ( -LRB- 39928 841 19 July July NNP 39928 841 20 1901 1901 CD 39928 841 21 ) ) -RRB- 39928 841 22 , , , 39928 841 23 Mr. Mr. NNP 39928 841 24 T.C. T.C. NNP 39928 842 1 Chamberlin Chamberlin NNP 39928 842 2 suggests suggest VBZ 39928 842 3 an an DT 39928 842 4 origin origin NN 39928 842 5 for for IN 39928 842 6 the the DT 39928 842 7 spiral spiral JJ 39928 842 8 nebulæ nebulæ NN 39928 842 9 , , , 39928 842 10 as as RB 39928 842 11 well well RB 39928 842 12 as as IN 39928 842 13 of of IN 39928 842 14 swarms swarm NNS 39928 842 15 of of IN 39928 842 16 meteorites meteorite NNS 39928 842 17 and and CC 39928 842 18 comets comet NNS 39928 842 19 , , , 39928 842 20 which which WDT 39928 842 21 seems seem VBZ 39928 842 22 likely likely JJ 39928 842 23 to to TO 39928 842 24 be be VB 39928 842 25 a a DT 39928 842 26 true true JJ 39928 842 27 , , , 39928 842 28 although although IN 39928 842 29 perhaps perhaps RB 39928 842 30 not not RB 39928 842 31 the the DT 39928 842 32 only only JJ 39928 842 33 one one CD 39928 842 34 . . . 39928 843 1 There there EX 39928 843 2 is be VBZ 39928 843 3 a a DT 39928 843 4 well well RB 39928 843 5 - - HYPH 39928 843 6 known know VBN 39928 843 7 principle principle NN 39928 843 8 which which WDT 39928 843 9 shows show VBZ 39928 843 10 that that IN 39928 843 11 when when WRB 39928 843 12 two two CD 39928 843 13 bodies body NNS 39928 843 14 in in IN 39928 843 15 space space NN 39928 843 16 , , , 39928 843 17 of of IN 39928 843 18 stellar stellar JJ 39928 843 19 size size NN 39928 843 20 , , , 39928 843 21 pass pass VBP 39928 843 22 within within IN 39928 843 23 a a DT 39928 843 24 certain certain JJ 39928 843 25 distance distance NN 39928 843 26 of of IN 39928 843 27 each each DT 39928 843 28 other other JJ 39928 843 29 , , , 39928 843 30 the the DT 39928 843 31 smaller small JJR 39928 843 32 one one CD 39928 843 33 will will MD 39928 843 34 be be VB 39928 843 35 liable liable JJ 39928 843 36 to to TO 39928 843 37 be be VB 39928 843 38 torn tear VBN 39928 843 39 into into IN 39928 843 40 fragments fragment NNS 39928 843 41 by by IN 39928 843 42 the the DT 39928 843 43 differential differential NN 39928 843 44 attraction attraction NN 39928 843 45 of of IN 39928 843 46 the the DT 39928 843 47 larger large JJR 39928 843 48 and and CC 39928 843 49 denser denser NN 39928 843 50 body body NN 39928 843 51 . . . 39928 844 1 This this DT 39928 844 2 was be VBD 39928 844 3 originally originally RB 39928 844 4 proved prove VBN 39928 844 5 in in IN 39928 844 6 the the DT 39928 844 7 case case NN 39928 844 8 of of IN 39928 844 9 gaseous gaseous JJ 39928 844 10 and and CC 39928 844 11 liquid liquid JJ 39928 844 12 bodies body NNS 39928 844 13 , , , 39928 844 14 and and CC 39928 844 15 the the DT 39928 844 16 distance distance NN 39928 844 17 within within IN 39928 844 18 which which WDT 39928 844 19 the the DT 39928 844 20 smaller small JJR 39928 844 21 one one NN 39928 844 22 will will MD 39928 844 23 be be VB 39928 844 24 disrupted disrupt VBN 39928 844 25 ( ( -LRB- 39928 844 26 termed term VBN 39928 844 27 the the DT 39928 844 28 Roche Roche NNP 39928 844 29 limit limit NN 39928 844 30 ) ) -RRB- 39928 844 31 is be VBZ 39928 844 32 calculated calculate VBN 39928 844 33 on on IN 39928 844 34 the the DT 39928 844 35 supposition supposition NN 39928 844 36 that that IN 39928 844 37 the the DT 39928 844 38 disrupted disrupt VBN 39928 844 39 body body NN 39928 844 40 is be VBZ 39928 844 41 a a DT 39928 844 42 liquid liquid JJ 39928 844 43 mass mass NN 39928 844 44 . . . 39928 845 1 Mr. Mr. NNP 39928 845 2 Chamberlin Chamberlin NNP 39928 845 3 shows show VBZ 39928 845 4 , , , 39928 845 5 however however RB 39928 845 6 , , , 39928 845 7 that that IN 39928 845 8 a a DT 39928 845 9 solid solid JJ 39928 845 10 body body NN 39928 845 11 will will MD 39928 845 12 also also RB 39928 845 13 be be VB 39928 845 14 disrupted disrupt VBN 39928 845 15 at at IN 39928 845 16 a a DT 39928 845 17 lesser less JJR 39928 845 18 distance distance NN 39928 845 19 dependent dependent JJ 39928 845 20 on on IN 39928 845 21 its -PRON- PRP$ 39928 845 22 size size NN 39928 845 23 and and CC 39928 845 24 cohesive cohesive JJ 39928 845 25 strength strength NN 39928 845 26 ; ; : 39928 845 27 but but CC 39928 845 28 , , , 39928 845 29 as as IN 39928 845 30 the the DT 39928 845 31 size size NN 39928 845 32 of of IN 39928 845 33 the the DT 39928 845 34 two two CD 39928 845 35 bodies body NNS 39928 845 36 increases increase NNS 39928 845 37 , , , 39928 845 38 the the DT 39928 845 39 distance distance NN 39928 845 40 at at IN 39928 845 41 which which WDT 39928 845 42 disruption disruption NN 39928 845 43 will will MD 39928 845 44 occur occur VB 39928 845 45 increases increase NNS 39928 845 46 also also RB 39928 845 47 , , , 39928 845 48 till till IN 39928 845 49 with with IN 39928 845 50 very very RB 39928 845 51 large large JJ 39928 845 52 bodies body NNS 39928 845 53 , , , 39928 845 54 such such JJ 39928 845 55 as as IN 39928 845 56 suns sun NNS 39928 845 57 , , , 39928 845 58 it -PRON- PRP 39928 845 59 becomes become VBZ 39928 845 60 almost almost RB 39928 845 61 as as RB 39928 845 62 large large JJ 39928 845 63 as as IN 39928 845 64 in in IN 39928 845 65 the the DT 39928 845 66 case case NN 39928 845 67 of of IN 39928 845 68 liquids liquid NNS 39928 845 69 or or CC 39928 845 70 gases gas NNS 39928 845 71 . . . 39928 846 1 The the DT 39928 846 2 disruption disruption NN 39928 846 3 occurs occur VBZ 39928 846 4 from from IN 39928 846 5 the the DT 39928 846 6 well well RB 39928 846 7 - - HYPH 39928 846 8 known know VBN 39928 846 9 law law NN 39928 846 10 of of IN 39928 846 11 differential differential JJ 39928 846 12 gravitation gravitation NN 39928 846 13 on on IN 39928 846 14 the the DT 39928 846 15 two two CD 39928 846 16 sides side NNS 39928 846 17 of of IN 39928 846 18 a a DT 39928 846 19 body body NN 39928 846 20 leading lead VBG 39928 846 21 to to IN 39928 846 22 tidal tidal JJ 39928 846 23 deformation deformation NN 39928 846 24 in in IN 39928 846 25 a a DT 39928 846 26 liquid liquid NN 39928 846 27 , , , 39928 846 28 and and CC 39928 846 29 to to IN 39928 846 30 unequal unequal JJ 39928 846 31 strain strain NN 39928 846 32 in in IN 39928 846 33 a a DT 39928 846 34 solid solid JJ 39928 846 35 . . . 39928 847 1 When when WRB 39928 847 2 the the DT 39928 847 3 changes change NNS 39928 847 4 of of IN 39928 847 5 gravitative gravitative JJ 39928 847 6 force force NN 39928 847 7 take take VB 39928 847 8 place place NN 39928 847 9 slowly slowly RB 39928 847 10 , , , 39928 847 11 and and CC 39928 847 12 are be VBP 39928 847 13 also also RB 39928 847 14 small small JJ 39928 847 15 in in IN 39928 847 16 amount amount NN 39928 847 17 , , , 39928 847 18 the the DT 39928 847 19 tides tide NNS 39928 847 20 in in IN 39928 847 21 liquids liquid NNS 39928 847 22 or or CC 39928 847 23 strains strain NNS 39928 847 24 in in IN 39928 847 25 solids solid NNS 39928 847 26 are be VBP 39928 847 27 very very RB 39928 847 28 small small JJ 39928 847 29 , , , 39928 847 30 as as IN 39928 847 31 in in IN 39928 847 32 the the DT 39928 847 33 case case NN 39928 847 34 of of IN 39928 847 35 our -PRON- PRP$ 39928 847 36 earth earth NN 39928 847 37 when when WRB 39928 847 38 acted act VBN 39928 847 39 on on IN 39928 847 40 by by IN 39928 847 41 the the DT 39928 847 42 sun sun NN 39928 847 43 and and CC 39928 847 44 moon moon NN 39928 847 45 , , , 39928 847 46 the the DT 39928 847 47 result result NN 39928 847 48 is be VBZ 39928 847 49 a a DT 39928 847 50 small small JJ 39928 847 51 tide tide NN 39928 847 52 in in IN 39928 847 53 the the DT 39928 847 54 ocean ocean NN 39928 847 55 and and CC 39928 847 56 atmosphere atmosphere NN 39928 847 57 , , , 39928 847 58 and and CC 39928 847 59 no no RB 39928 847 60 doubt doubt RB 39928 847 61 also also RB 39928 847 62 in in IN 39928 847 63 the the DT 39928 847 64 molten molten JJ 39928 847 65 interior interior NN 39928 847 66 , , , 39928 847 67 to to TO 39928 847 68 which which WDT 39928 847 69 the the DT 39928 847 70 comparatively comparatively RB 39928 847 71 thin thin JJ 39928 847 72 crust crust NN 39928 847 73 may may MD 39928 847 74 partially partially RB 39928 847 75 adjust adjust VB 39928 847 76 itself -PRON- PRP 39928 847 77 . . . 39928 848 1 But but CC 39928 848 2 if if IN 39928 848 3 we -PRON- PRP 39928 848 4 suppose suppose VBP 39928 848 5 two two CD 39928 848 6 dark dark JJ 39928 848 7 or or CC 39928 848 8 luminous luminous JJ 39928 848 9 suns sun NNS 39928 848 10 whose whose WP$ 39928 848 11 proper proper JJ 39928 848 12 motions motion NNS 39928 848 13 are be VBP 39928 848 14 in in IN 39928 848 15 such such PDT 39928 848 16 a a DT 39928 848 17 direction direction NN 39928 848 18 as as IN 39928 848 19 to to TO 39928 848 20 bring bring VB 39928 848 21 them -PRON- PRP 39928 848 22 near near IN 39928 848 23 each each DT 39928 848 24 other other JJ 39928 848 25 , , , 39928 848 26 then then RB 39928 848 27 , , , 39928 848 28 as as IN 39928 848 29 they -PRON- PRP 39928 848 30 approach approach VBP 39928 848 31 , , , 39928 848 32 each each DT 39928 848 33 will will MD 39928 848 34 be be VB 39928 848 35 deflected deflect VBN 39928 848 36 towards towards IN 39928 848 37 the the DT 39928 848 38 other other JJ 39928 848 39 , , , 39928 848 40 and and CC 39928 848 41 will will MD 39928 848 42 pass pass VB 39928 848 43 round round RB 39928 848 44 their -PRON- PRP$ 39928 848 45 common common JJ 39928 848 46 centre centre NN 39928 848 47 of of IN 39928 848 48 gravity gravity NN 39928 848 49 with with IN 39928 848 50 immense immense JJ 39928 848 51 velocity velocity NN 39928 848 52 , , , 39928 848 53 perhaps perhaps RB 39928 848 54 hundreds hundred NNS 39928 848 55 of of IN 39928 848 56 miles mile NNS 39928 848 57 in in IN 39928 848 58 a a DT 39928 848 59 second second NN 39928 848 60 . . . 39928 849 1 At at IN 39928 849 2 a a DT 39928 849 3 considerable considerable JJ 39928 849 4 distance distance NN 39928 849 5 they -PRON- PRP 39928 849 6 will will MD 39928 849 7 begin begin VB 39928 849 8 to to TO 39928 849 9 produce produce VB 39928 849 10 tidal tidal JJ 39928 849 11 elongation elongation NN 39928 849 12 towards towards IN 39928 849 13 and and CC 39928 849 14 away away RB 39928 849 15 from from IN 39928 849 16 each each DT 39928 849 17 other other JJ 39928 849 18 , , , 39928 849 19 but but CC 39928 849 20 when when WRB 39928 849 21 the the DT 39928 849 22 disruptive disruptive JJ 39928 849 23 limit limit NN 39928 849 24 is be VBZ 39928 849 25 nearly nearly RB 39928 849 26 reached reach VBN 39928 849 27 , , , 39928 849 28 the the DT 39928 849 29 gravitative gravitative JJ 39928 849 30 forces force NNS 39928 849 31 will will MD 39928 849 32 be be VB 39928 849 33 increasing increase VBG 39928 849 34 so so RB 39928 849 35 rapidly rapidly RB 39928 849 36 that that IN 39928 849 37 even even RB 39928 849 38 a a DT 39928 849 39 liquid liquid JJ 39928 849 40 mass mass NN 39928 849 41 could could MD 39928 849 42 not not RB 39928 849 43 adjust adjust VB 39928 849 44 its -PRON- PRP$ 39928 849 45 shape shape NN 39928 849 46 with with IN 39928 849 47 sufficient sufficient JJ 39928 849 48 quickness quickness NN 39928 849 49 and and CC 39928 849 50 the the DT 39928 849 51 tremendous tremendous JJ 39928 849 52 internal internal JJ 39928 849 53 strains strain NNS 39928 849 54 would would MD 39928 849 55 produce produce VB 39928 849 56 the the DT 39928 849 57 effects effect NNS 39928 849 58 of of IN 39928 849 59 an an DT 39928 849 60 explosion explosion NN 39928 849 61 , , , 39928 849 62 tearing tear VBG 39928 849 63 the the DT 39928 849 64 whole whole JJ 39928 849 65 mass mass NN 39928 849 66 ( ( -LRB- 39928 849 67 of of IN 39928 849 68 the the DT 39928 849 69 smaller small JJR 39928 849 70 of of IN 39928 849 71 the the DT 39928 849 72 two two CD 39928 849 73 ) ) -RRB- 39928 849 74 into into IN 39928 849 75 fragments fragment NNS 39928 849 76 and and CC 39928 849 77 dust dust NN 39928 849 78 . . . 39928 850 1 But but CC 39928 850 2 it -PRON- PRP 39928 850 3 is be VBZ 39928 850 4 also also RB 39928 850 5 shown show VBN 39928 850 6 that that IN 39928 850 7 , , , 39928 850 8 during during IN 39928 850 9 the the DT 39928 850 10 entire entire JJ 39928 850 11 process process NN 39928 850 12 , , , 39928 850 13 the the DT 39928 850 14 two two CD 39928 850 15 elongated elongated JJ 39928 850 16 portions portion NNS 39928 850 17 of of IN 39928 850 18 the the DT 39928 850 19 originally originally RB 39928 850 20 spherical spherical JJ 39928 850 21 mass mass NN 39928 850 22 would would MD 39928 850 23 be be VB 39928 850 24 so so RB 39928 850 25 acted act VBN 39928 850 26 upon upon IN 39928 850 27 by by IN 39928 850 28 gravity gravity NN 39928 850 29 as as IN 39928 850 30 to to TO 39928 850 31 produce produce VB 39928 850 32 increasing increase VBG 39928 850 33 rotation rotation NN 39928 850 34 , , , 39928 850 35 which which WDT 39928 850 36 as as IN 39928 850 37 the the DT 39928 850 38 crisis crisis NN 39928 850 39 approached approach VBD 39928 850 40 would would MD 39928 850 41 extend extend VB 39928 850 42 the the DT 39928 850 43 elongation elongation NN 39928 850 44 , , , 39928 850 45 and and CC 39928 850 46 aid aid NN 39928 850 47 in in IN 39928 850 48 the the DT 39928 850 49 explosive explosive JJ 39928 850 50 result result NN 39928 850 51 . . . 39928 851 1 This this DT 39928 851 2 rapid rapid JJ 39928 851 3 rotation rotation NN 39928 851 4 of of IN 39928 851 5 the the DT 39928 851 6 elongated elongated JJ 39928 851 7 mass mass NN 39928 851 8 would would MD 39928 851 9 , , , 39928 851 10 when when WRB 39928 851 11 the the DT 39928 851 12 disruption disruption NN 39928 851 13 occurred occur VBD 39928 851 14 , , , 39928 851 15 necessarily necessarily RB 39928 851 16 give give VB 39928 851 17 to to IN 39928 851 18 the the DT 39928 851 19 fragments fragment NNS 39928 851 20 a a DT 39928 851 21 whirling whirl VBG 39928 851 22 or or CC 39928 851 23 spiral spiral JJ 39928 851 24 motion motion NN 39928 851 25 , , , 39928 851 26 and and CC 39928 851 27 thus thus RB 39928 851 28 initiate initiate VB 39928 851 29 a a DT 39928 851 30 spiral spiral JJ 39928 851 31 nebula nebula NN 39928 851 32 of of IN 39928 851 33 a a DT 39928 851 34 size size NN 39928 851 35 and and CC 39928 851 36 character character NN 39928 851 37 dependent dependent JJ 39928 851 38 on on IN 39928 851 39 the the DT 39928 851 40 size size NN 39928 851 41 and and CC 39928 851 42 constitution constitution NN 39928 851 43 of of IN 39928 851 44 the the DT 39928 851 45 two two CD 39928 851 46 masses masse NNS 39928 851 47 , , , 39928 851 48 and and CC 39928 851 49 on on IN 39928 851 50 the the DT 39928 851 51 amount amount NN 39928 851 52 of of IN 39928 851 53 the the DT 39928 851 54 explosive explosive JJ 39928 851 55 forces force NNS 39928 851 56 set set VBN 39928 851 57 up up RP 39928 851 58 by by IN 39928 851 59 their -PRON- PRP$ 39928 851 60 approach approach NN 39928 851 61 . . . 39928 852 1 There there EX 39928 852 2 is be VBZ 39928 852 3 one one CD 39928 852 4 very very RB 39928 852 5 suggestive suggestive JJ 39928 852 6 phenomenon phenomenon NN 39928 852 7 which which WDT 39928 852 8 seems seem VBZ 39928 852 9 to to TO 39928 852 10 prove prove VB 39928 852 11 that that IN 39928 852 12 this this DT 39928 852 13 _ _ NNP 39928 852 14 is be VBZ 39928 852 15 _ _ NNP 39928 852 16 one one CD 39928 852 17 of of IN 39928 852 18 the the DT 39928 852 19 modes mode NNS 39928 852 20 of of IN 39928 852 21 formation formation NN 39928 852 22 of of IN 39928 852 23 spiral spiral JJ 39928 852 24 nebulæ nebulæ NN 39928 852 25 . . . 39928 853 1 When when WRB 39928 853 2 the the DT 39928 853 3 explosive explosive JJ 39928 853 4 disruption disruption NN 39928 853 5 occurs occur VBZ 39928 853 6 the the DT 39928 853 7 two two CD 39928 853 8 protuberances protuberance NNS 39928 853 9 or or CC 39928 853 10 elongations elongation NNS 39928 853 11 of of IN 39928 853 12 the the DT 39928 853 13 body body NN 39928 853 14 will will MD 39928 853 15 fly fly VB 39928 853 16 apart apart RB 39928 853 17 , , , 39928 853 18 and and CC 39928 853 19 having have VBG 39928 853 20 also also RB 39928 853 21 a a DT 39928 853 22 rapid rapid JJ 39928 853 23 rotatory rotatory JJ 39928 853 24 movement movement NN 39928 853 25 , , , 39928 853 26 the the DT 39928 853 27 resulting result VBG 39928 853 28 spiral spiral NN 39928 853 29 will will MD 39928 853 30 necessarily necessarily RB 39928 853 31 be be VB 39928 853 32 a a DT 39928 853 33 double double JJ 39928 853 34 one one NN 39928 853 35 . . . 39928 854 1 Now now RB 39928 854 2 , , , 39928 854 3 it -PRON- PRP 39928 854 4 is be VBZ 39928 854 5 the the DT 39928 854 6 fact fact NN 39928 854 7 that that IN 39928 854 8 almost almost RB 39928 854 9 all all PDT 39928 854 10 the the DT 39928 854 11 well well RB 39928 854 12 - - HYPH 39928 854 13 developed develop VBN 39928 854 14 spiral spiral JJ 39928 854 15 nebulæ nebulæ NN 39928 854 16 have have VBP 39928 854 17 two two CD 39928 854 18 such such JJ 39928 854 19 arms arm NNS 39928 854 20 opposite opposite JJ 39928 854 21 to to IN 39928 854 22 each each DT 39928 854 23 other other JJ 39928 854 24 , , , 39928 854 25 as as IN 39928 854 26 beautifully beautifully RB 39928 854 27 shown show VBN 39928 854 28 in in IN 39928 854 29 M. M. NNP 39928 854 30 100 100 CD 39928 854 31 Comæ Comæ NNP 39928 854 32 , , , 39928 854 33 M. M. NNP 39928 854 34 51 51 CD 39928 854 35 Canum Canum NNP 39928 854 36 , , , 39928 854 37 and and CC 39928 854 38 others other NNS 39928 854 39 photographed photograph VBN 39928 854 40 by by IN 39928 854 41 Dr. Dr. NNP 39928 855 1 I. I. NNP 39928 855 2 Roberts Roberts NNP 39928 855 3 . . . 39928 856 1 It -PRON- PRP 39928 856 2 does do VBZ 39928 856 3 not not RB 39928 856 4 seem seem VB 39928 856 5 likely likely JJ 39928 856 6 that that IN 39928 856 7 any any DT 39928 856 8 other other JJ 39928 856 9 origin origin NN 39928 856 10 of of IN 39928 856 11 these these DT 39928 856 12 nebulæ nebulæ NN 39928 856 13 should should MD 39928 856 14 give give VB 39928 856 15 rise rise NN 39928 856 16 to to IN 39928 856 17 a a DT 39928 856 18 double double NN 39928 856 19 rather rather RB 39928 856 20 than than IN 39928 856 21 to to IN 39928 856 22 a a DT 39928 856 23 single single JJ 39928 856 24 spiral spiral NN 39928 856 25 . . . 39928 857 1 THE the DT 39928 857 2 EVOLUTION EVOLUTION NNP 39928 857 3 OF of IN 39928 857 4 DOUBLE DOUBLE NNP 39928 857 5 STARS star NNS 39928 857 6 The the DT 39928 857 7 advance advance NN 39928 857 8 in in IN 39928 857 9 knowledge knowledge NN 39928 857 10 of of IN 39928 857 11 double double JJ 39928 857 12 and and CC 39928 857 13 multiple multiple JJ 39928 857 14 stars star NNS 39928 857 15 has have VBZ 39928 857 16 been be VBN 39928 857 17 wonderfully wonderfully RB 39928 857 18 rapid rapid JJ 39928 857 19 , , , 39928 857 20 numerous numerous JJ 39928 857 21 observers observer NNS 39928 857 22 having have VBG 39928 857 23 devoted devote VBN 39928 857 24 themselves -PRON- PRP 39928 857 25 to to IN 39928 857 26 this this DT 39928 857 27 special special JJ 39928 857 28 branch branch NN 39928 857 29 . . . 39928 858 1 Many many JJ 39928 858 2 thousands thousand NNS 39928 858 3 were be VBD 39928 858 4 discovered discover VBN 39928 858 5 during during IN 39928 858 6 the the DT 39928 858 7 first first JJ 39928 858 8 half half NN 39928 858 9 of of IN 39928 858 10 the the DT 39928 858 11 nineteenth nineteenth JJ 39928 858 12 century century NN 39928 858 13 , , , 39928 858 14 and and CC 39928 858 15 as as IN 39928 858 16 telescopic telescopic NNP 39928 858 17 power power NNP 39928 858 18 increased increase VBD 39928 858 19 new new JJ 39928 858 20 ones one NNS 39928 858 21 continued continue VBD 39928 858 22 to to TO 39928 858 23 flow flow VB 39928 858 24 in in RP 39928 858 25 by by IN 39928 858 26 hundreds hundred NNS 39928 858 27 and and CC 39928 858 28 thousands thousand NNS 39928 858 29 , , , 39928 858 30 and and CC 39928 858 31 there there EX 39928 858 32 has have VBZ 39928 858 33 been be VBN 39928 858 34 recently recently RB 39928 858 35 published publish VBN 39928 858 36 by by IN 39928 858 37 the the DT 39928 858 38 Yerkes Yerkes NNP 39928 858 39 Observatory Observatory NNP 39928 858 40 a a DT 39928 858 41 catalogue catalogue NN 39928 858 42 of of IN 39928 858 43 1290 1290 CD 39928 858 44 such such JJ 39928 858 45 stars star NNS 39928 858 46 , , , 39928 858 47 discovered discover VBN 39928 858 48 between between IN 39928 858 49 1871 1871 CD 39928 858 50 and and CC 39928 858 51 1899 1899 CD 39928 858 52 by by IN 39928 858 53 one one CD 39928 858 54 observer observer NN 39928 858 55 , , , 39928 858 56 Mr. Mr. NNP 39928 858 57 S.W. S.W. NNP 39928 859 1 Burnham Burnham NNP 39928 859 2 . . . 39928 860 1 All all PDT 39928 860 2 these these DT 39928 860 3 have have VBP 39928 860 4 been be VBN 39928 860 5 found find VBN 39928 860 6 by by IN 39928 860 7 the the DT 39928 860 8 use use NN 39928 860 9 of of IN 39928 860 10 the the DT 39928 860 11 telescope telescope NN 39928 860 12 , , , 39928 860 13 but but CC 39928 860 14 during during IN 39928 860 15 the the DT 39928 860 16 last last JJ 39928 860 17 quarter quarter NN 39928 860 18 of of IN 39928 860 19 a a DT 39928 860 20 century century NN 39928 860 21 the the DT 39928 860 22 spectroscope spectroscope NN 39928 860 23 has have VBZ 39928 860 24 opened open VBN 39928 860 25 up up RP 39928 860 26 a a DT 39928 860 27 new new JJ 39928 860 28 world world NN 39928 860 29 of of IN 39928 860 30 double double JJ 39928 860 31 stars star NNS 39928 860 32 of of IN 39928 860 33 enormous enormous JJ 39928 860 34 extent extent NN 39928 860 35 and and CC 39928 860 36 the the DT 39928 860 37 highest high JJS 39928 860 38 interest interest NN 39928 860 39 . . . 39928 861 1 The the DT 39928 861 2 telescopic telescopic NN 39928 861 3 binaries binary NNS 39928 861 4 which which WDT 39928 861 5 have have VBP 39928 861 6 been be VBN 39928 861 7 observed observe VBN 39928 861 8 for for IN 39928 861 9 a a DT 39928 861 10 sufficient sufficient JJ 39928 861 11 time time NN 39928 861 12 to to TO 39928 861 13 determine determine VB 39928 861 14 their -PRON- PRP$ 39928 861 15 orbits orbit NNS 39928 861 16 , , , 39928 861 17 range range VBP 39928 861 18 from from IN 39928 861 19 periods period NNS 39928 861 20 of of IN 39928 861 21 about about RB 39928 861 22 eleven eleven CD 39928 861 23 years year NNS 39928 861 24 as as IN 39928 861 25 a a DT 39928 861 26 minimum minimum NN 39928 861 27 up up IN 39928 861 28 to to IN 39928 861 29 hundreds hundred NNS 39928 861 30 and and CC 39928 861 31 even even RB 39928 861 32 more more JJR 39928 861 33 than than IN 39928 861 34 a a DT 39928 861 35 thousand thousand CD 39928 861 36 years year NNS 39928 861 37 . . . 39928 862 1 But but CC 39928 862 2 the the DT 39928 862 3 spectroscope spectroscope NN 39928 862 4 reveals reveal VBZ 39928 862 5 the the DT 39928 862 6 fact fact NN 39928 862 7 that that IN 39928 862 8 the the DT 39928 862 9 many many JJ 39928 862 10 thousands thousand NNS 39928 862 11 of of IN 39928 862 12 telescopic telescopic NN 39928 862 13 binaries binary NNS 39928 862 14 form form VBP 39928 862 15 only only RB 39928 862 16 a a DT 39928 862 17 very very RB 39928 862 18 small small JJ 39928 862 19 part part NN 39928 862 20 of of IN 39928 862 21 the the DT 39928 862 22 binary binary JJ 39928 862 23 systems system NNS 39928 862 24 in in IN 39928 862 25 existence existence NN 39928 862 26 . . . 39928 863 1 The the DT 39928 863 2 overwhelming overwhelming JJ 39928 863 3 importance importance NN 39928 863 4 of of IN 39928 863 5 this this DT 39928 863 6 discovery discovery NN 39928 863 7 is be VBZ 39928 863 8 , , , 39928 863 9 that that IN 39928 863 10 it -PRON- PRP 39928 863 11 carries carry VBZ 39928 863 12 the the DT 39928 863 13 times time NNS 39928 863 14 of of IN 39928 863 15 revolution revolution NN 39928 863 16 from from IN 39928 863 17 the the DT 39928 863 18 minimum minimum NN 39928 863 19 of of IN 39928 863 20 the the DT 39928 863 21 telescopic telescopic NN 39928 863 22 doubles double VBZ 39928 863 23 downward downward RB 39928 863 24 in in IN 39928 863 25 unbroken unbroken JJ 39928 863 26 series series NN 39928 863 27 through through IN 39928 863 28 periods period NNS 39928 863 29 of of IN 39928 863 30 a a DT 39928 863 31 few few JJ 39928 863 32 years year NNS 39928 863 33 , , , 39928 863 34 to to IN 39928 863 35 those those DT 39928 863 36 reckoned reckon VBN 39928 863 37 by by IN 39928 863 38 months month NNS 39928 863 39 , , , 39928 863 40 by by IN 39928 863 41 days day NNS 39928 863 42 , , , 39928 863 43 and and CC 39928 863 44 even even RB 39928 863 45 by by IN 39928 863 46 hours hour NNS 39928 863 47 . . . 39928 864 1 And and CC 39928 864 2 with with IN 39928 864 3 this this DT 39928 864 4 reduction reduction NN 39928 864 5 of of IN 39928 864 6 period period NN 39928 864 7 there there EX 39928 864 8 necessarily necessarily RB 39928 864 9 follows follow VBZ 39928 864 10 a a DT 39928 864 11 corresponding corresponding JJ 39928 864 12 reduction reduction NN 39928 864 13 of of IN 39928 864 14 distance distance NN 39928 864 15 , , , 39928 864 16 so so IN 39928 864 17 that that IN 39928 864 18 sometimes sometimes RB 39928 864 19 the the DT 39928 864 20 two two CD 39928 864 21 stars star NNS 39928 864 22 must must MD 39928 864 23 be be VB 39928 864 24 in in IN 39928 864 25 contact contact NN 39928 864 26 , , , 39928 864 27 and and CC 39928 864 28 thus thus RB 39928 864 29 the the DT 39928 864 30 actual actual JJ 39928 864 31 birth birth NN 39928 864 32 or or CC 39928 864 33 origin origin NN 39928 864 34 of of IN 39928 864 35 a a DT 39928 864 36 double double JJ 39928 864 37 star star NN 39928 864 38 has have VBZ 39928 864 39 been be VBN 39928 864 40 observed observe VBN 39928 864 41 to to TO 39928 864 42 occur occur VB 39928 864 43 , , , 39928 864 44 even even RB 39928 864 45 though though IN 39928 864 46 not not RB 39928 864 47 actually actually RB 39928 864 48 seen see VBN 39928 864 49 . . . 39928 865 1 This this DT 39928 865 2 mode mode NN 39928 865 3 of of IN 39928 865 4 origin origin NN 39928 865 5 was be VBD 39928 865 6 indeed indeed RB 39928 865 7 anticipated anticipate VBN 39928 865 8 by by IN 39928 865 9 Dr. Dr. NNP 39928 865 10 Lee Lee NNP 39928 865 11 of of IN 39928 865 12 Chicago Chicago NNP 39928 865 13 in in IN 39928 865 14 1892 1892 CD 39928 865 15 , , , 39928 865 16 and and CC 39928 865 17 it -PRON- PRP 39928 865 18 has have VBZ 39928 865 19 been be VBN 39928 865 20 confirmed confirm VBN 39928 865 21 by by IN 39928 865 22 observation observation NN 39928 865 23 in in IN 39928 865 24 the the DT 39928 865 25 short short JJ 39928 865 26 space space NN 39928 865 27 of of IN 39928 865 28 ten ten CD 39928 865 29 years year NNS 39928 865 30 . . . 39928 866 1 In in IN 39928 866 2 a a DT 39928 866 3 remarkable remarkable JJ 39928 866 4 communication communication NN 39928 866 5 to to IN 39928 866 6 _ _ NNP 39928 866 7 Nature Nature NNP 39928 866 8 _ _ NNP 39928 866 9 ( ( -LRB- 39928 866 10 September September NNP 39928 866 11 12th 12th NN 39928 866 12 , , , 39928 866 13 1901 1901 CD 39928 866 14 ) ) -RRB- 39928 866 15 Mr. Mr. NNP 39928 866 16 Alexander Alexander NNP 39928 866 17 W. W. NNP 39928 866 18 Roberts Roberts NNP 39928 866 19 of of IN 39928 866 20 Lovedale Lovedale NNP 39928 866 21 , , , 39928 866 22 South South NNP 39928 866 23 Africa Africa NNP 39928 866 24 , , , 39928 866 25 gives give VBZ 39928 866 26 some some DT 39928 866 27 of of IN 39928 866 28 the the DT 39928 866 29 main main JJ 39928 866 30 results result NNS 39928 866 31 of of IN 39928 866 32 this this DT 39928 866 33 branch branch NN 39928 866 34 of of IN 39928 866 35 inquiry inquiry NN 39928 866 36 . . . 39928 867 1 Of of RB 39928 867 2 course course RB 39928 867 3 all all PDT 39928 867 4 the the DT 39928 867 5 variable variable JJ 39928 867 6 stars star NNS 39928 867 7 are be VBP 39928 867 8 to to TO 39928 867 9 be be VB 39928 867 10 found find VBN 39928 867 11 among among IN 39928 867 12 the the DT 39928 867 13 spectroscopic spectroscopic JJ 39928 867 14 binaries binary NNS 39928 867 15 . . . 39928 868 1 They -PRON- PRP 39928 868 2 consist consist VBP 39928 868 3 of of IN 39928 868 4 that that DT 39928 868 5 portion portion NN 39928 868 6 of of IN 39928 868 7 the the DT 39928 868 8 class class NN 39928 868 9 in in IN 39928 868 10 which which WDT 39928 868 11 the the DT 39928 868 12 plane plane NN 39928 868 13 of of IN 39928 868 14 the the DT 39928 868 15 orbit orbit NN 39928 868 16 is be VBZ 39928 868 17 directed direct VBN 39928 868 18 towards towards IN 39928 868 19 us -PRON- PRP 39928 868 20 , , , 39928 868 21 so so IN 39928 868 22 that that IN 39928 868 23 during during IN 39928 868 24 their -PRON- PRP$ 39928 868 25 revolution revolution NN 39928 868 26 one one CD 39928 868 27 of of IN 39928 868 28 the the DT 39928 868 29 pair pair NN 39928 868 30 either either CC 39928 868 31 wholly wholly RB 39928 868 32 or or CC 39928 868 33 partially partially RB 39928 868 34 eclipses eclipse VBZ 39928 868 35 the the DT 39928 868 36 other other JJ 39928 868 37 . . . 39928 869 1 In in IN 39928 869 2 some some DT 39928 869 3 of of IN 39928 869 4 these these DT 39928 869 5 cases case NNS 39928 869 6 there there EX 39928 869 7 are be VBP 39928 869 8 irregularities irregularity NNS 39928 869 9 , , , 39928 869 10 such such JJ 39928 869 11 as as IN 39928 869 12 double double JJ 39928 869 13 maxima maxima NNP 39928 869 14 and and CC 39928 869 15 minima minima NNP 39928 869 16 of of IN 39928 869 17 unequal unequal JJ 39928 869 18 lengths length NNS 39928 869 19 , , , 39928 869 20 which which WDT 39928 869 21 may may MD 39928 869 22 be be VB 39928 869 23 due due JJ 39928 869 24 to to IN 39928 869 25 triple triple JJ 39928 869 26 systems system NNS 39928 869 27 or or CC 39928 869 28 to to IN 39928 869 29 other other JJ 39928 869 30 causes cause NNS 39928 869 31 not not RB 39928 869 32 yet yet RB 39928 869 33 explained explain VBN 39928 869 34 , , , 39928 869 35 but but CC 39928 869 36 as as IN 39928 869 37 they -PRON- PRP 39928 869 38 all all DT 39928 869 39 have have VBP 39928 869 40 short short JJ 39928 869 41 periods period NNS 39928 869 42 and and CC 39928 869 43 always always RB 39928 869 44 appear appear VB 39928 869 45 as as IN 39928 869 46 one one CD 39928 869 47 star star NN 39928 869 48 in in IN 39928 869 49 the the DT 39928 869 50 most most RBS 39928 869 51 powerful powerful JJ 39928 869 52 telescopes telescope NNS 39928 869 53 , , , 39928 869 54 they -PRON- PRP 39928 869 55 form form VBP 39928 869 56 a a DT 39928 869 57 special special JJ 39928 869 58 division division NN 39928 869 59 of of IN 39928 869 60 the the DT 39928 869 61 spectroscopic spectroscopic JJ 39928 869 62 binary binary JJ 39928 869 63 systems system NNS 39928 869 64 . . . 39928 870 1 There there EX 39928 870 2 are be VBP 39928 870 3 known know VBN 39928 870 4 at at IN 39928 870 5 present present JJ 39928 870 6 twenty twenty CD 39928 870 7 - - HYPH 39928 870 8 two two CD 39928 870 9 variables variable NNS 39928 870 10 of of IN 39928 870 11 the the DT 39928 870 12 Algol Algol NNP 39928 870 13 type type NN 39928 870 14 , , , 39928 870 15 that that RB 39928 870 16 is is RB 39928 870 17 , , , 39928 870 18 stars star NNS 39928 870 19 having have VBG 39928 870 20 each each DT 39928 870 21 a a DT 39928 870 22 dark dark JJ 39928 870 23 companion companion NN 39928 870 24 very very RB 39928 870 25 close close RB 39928 870 26 to to IN 39928 870 27 it -PRON- PRP 39928 870 28 which which WDT 39928 870 29 obscures obscure VBZ 39928 870 30 it -PRON- PRP 39928 870 31 either either CC 39928 870 32 wholly wholly RB 39928 870 33 or or CC 39928 870 34 partially partially RB 39928 870 35 during during IN 39928 870 36 every every DT 39928 870 37 revolution revolution NN 39928 870 38 . . . 39928 871 1 In in IN 39928 871 2 these these DT 39928 871 3 cases case NNS 39928 871 4 the the DT 39928 871 5 density density NN 39928 871 6 of of IN 39928 871 7 the the DT 39928 871 8 systems system NNS 39928 871 9 can can MD 39928 871 10 be be VB 39928 871 11 approximately approximately RB 39928 871 12 determined determine VBN 39928 871 13 , , , 39928 871 14 and and CC 39928 871 15 they -PRON- PRP 39928 871 16 are be VBP 39928 871 17 found find VBN 39928 871 18 to to TO 39928 871 19 be be VB 39928 871 20 , , , 39928 871 21 on on IN 39928 871 22 the the DT 39928 871 23 average average NN 39928 871 24 , , , 39928 871 25 only only RB 39928 871 26 one one CD 39928 871 27 - - HYPH 39928 871 28 fifth fifth NN 39928 871 29 that that DT 39928 871 30 of of IN 39928 871 31 water water NN 39928 871 32 , , , 39928 871 33 or or CC 39928 871 34 one one CD 39928 871 35 - - HYPH 39928 871 36 eighth eighth JJ 39928 871 37 that that DT 39928 871 38 of of IN 39928 871 39 our -PRON- PRP$ 39928 871 40 sun sun NN 39928 871 41 . . . 39928 872 1 But but CC 39928 872 2 as as RB 39928 872 3 many many JJ 39928 872 4 of of IN 39928 872 5 them -PRON- PRP 39928 872 6 are be VBP 39928 872 7 as as RB 39928 872 8 large large JJ 39928 872 9 as as IN 39928 872 10 our -PRON- PRP$ 39928 872 11 sun sun NN 39928 872 12 , , , 39928 872 13 or or CC 39928 872 14 even even RB 39928 872 15 considerably considerably RB 39928 872 16 larger large JJR 39928 872 17 , , , 39928 872 18 it -PRON- PRP 39928 872 19 is be VBZ 39928 872 20 evident evident JJ 39928 872 21 that that IN 39928 872 22 they -PRON- PRP 39928 872 23 must must MD 39928 872 24 be be VB 39928 872 25 wholly wholly RB 39928 872 26 gaseous gaseous JJ 39928 872 27 , , , 39928 872 28 and and CC 39928 872 29 , , , 39928 872 30 even even RB 39928 872 31 if if IN 39928 872 32 very very RB 39928 872 33 hot hot JJ 39928 872 34 , , , 39928 872 35 of of IN 39928 872 36 a a DT 39928 872 37 less less RBR 39928 872 38 complex complex JJ 39928 872 39 constitution constitution NN 39928 872 40 than than IN 39928 872 41 our -PRON- PRP$ 39928 872 42 luminary luminary NN 39928 872 43 . . . 39928 873 1 Mr. Mr. NNP 39928 873 2 A.W. A.W. NNP 39928 874 1 Roberts Roberts NNP 39928 874 2 tells tell VBZ 39928 874 3 us -PRON- PRP 39928 874 4 that that DT 39928 874 5 five five CD 39928 874 6 out out IN 39928 874 7 of of IN 39928 874 8 these these DT 39928 874 9 twenty twenty CD 39928 874 10 - - HYPH 39928 874 11 two two CD 39928 874 12 variables variable NNS 39928 874 13 revolve revolve VBP 39928 874 14 _ _ NNP 39928 874 15 in in IN 39928 874 16 absolute absolute JJ 39928 874 17 contact contact NN 39928 874 18 _ _ NNP 39928 874 19 forming form VBG 39928 874 20 systems system NNS 39928 874 21 of of IN 39928 874 22 the the DT 39928 874 23 shape shape NN 39928 874 24 of of IN 39928 874 25 a a DT 39928 874 26 dumb dumb JJ 39928 874 27 - - HYPH 39928 874 28 bell bell NN 39928 874 29 . . . 39928 875 1 The the DT 39928 875 2 periods period NNS 39928 875 3 vary vary VBP 39928 875 4 from from IN 39928 875 5 twelve twelve CD 39928 875 6 days day NNS 39928 875 7 to to IN 39928 875 8 less less JJR 39928 875 9 than than IN 39928 875 10 nine nine CD 39928 875 11 hours hour NNS 39928 875 12 ; ; : 39928 875 13 and and CC 39928 875 14 , , , 39928 875 15 starting start VBG 39928 875 16 from from IN 39928 875 17 these these DT 39928 875 18 , , , 39928 875 19 we -PRON- PRP 39928 875 20 now now RB 39928 875 21 have have VBP 39928 875 22 a a DT 39928 875 23 continuous continuous JJ 39928 875 24 series series NN 39928 875 25 of of IN 39928 875 26 lengthening lengthen VBG 39928 875 27 periods period NNS 39928 875 28 up up IN 39928 875 29 to to IN 39928 875 30 the the DT 39928 875 31 twin twin JJ 39928 875 32 stars star NNS 39928 875 33 of of IN 39928 875 34 Castor castor NN 39928 875 35 which which WDT 39928 875 36 require require VBP 39928 875 37 more more JJR 39928 875 38 than than IN 39928 875 39 a a DT 39928 875 40 thousand thousand CD 39928 875 41 years year NNS 39928 875 42 to to TO 39928 875 43 complete complete VB 39928 875 44 their -PRON- PRP$ 39928 875 45 revolution revolution NN 39928 875 46 . . . 39928 876 1 During during IN 39928 876 2 his -PRON- PRP$ 39928 876 3 observations observation NNS 39928 876 4 of of IN 39928 876 5 the the DT 39928 876 6 above above JJ 39928 876 7 five five CD 39928 876 8 stars star NNS 39928 876 9 , , , 39928 876 10 Mr. Mr. NNP 39928 876 11 Roberts Roberts NNP 39928 876 12 states state VBZ 39928 876 13 that that IN 39928 876 14 one one CD 39928 876 15 , , , 39928 876 16 X X NNP 39928 876 17 Carinæ Carinæ NNP 39928 876 18 , , , 39928 876 19 was be VBD 39928 876 20 found find VBN 39928 876 21 to to TO 39928 876 22 have have VB 39928 876 23 parted part VBN 39928 876 24 company company NN 39928 876 25 , , , 39928 876 26 so so IN 39928 876 27 that that IN 39928 876 28 instead instead RB 39928 876 29 of of IN 39928 876 30 being be VBG 39928 876 31 actually actually RB 39928 876 32 united united JJ 39928 876 33 to to IN 39928 876 34 its -PRON- PRP$ 39928 876 35 companion companion NN 39928 876 36 the the DT 39928 876 37 two two CD 39928 876 38 are be VBP 39928 876 39 now now RB 39928 876 40 at at IN 39928 876 41 a a DT 39928 876 42 distance distance NN 39928 876 43 apart apart RB 39928 876 44 equal equal JJ 39928 876 45 to to IN 39928 876 46 one one CD 39928 876 47 - - HYPH 39928 876 48 tenth tenth NN 39928 876 49 of of IN 39928 876 50 their -PRON- PRP$ 39928 876 51 diameters diameter NNS 39928 876 52 , , , 39928 876 53 and and CC 39928 876 54 he -PRON- PRP 39928 876 55 may may MD 39928 876 56 thus thus RB 39928 876 57 be be VB 39928 876 58 said say VBN 39928 876 59 to to TO 39928 876 60 have have VB 39928 876 61 been be VBN 39928 876 62 almost almost RB 39928 876 63 a a DT 39928 876 64 witness witness NN 39928 876 65 of of IN 39928 876 66 the the DT 39928 876 67 birth birth NN 39928 876 68 of of IN 39928 876 69 a a DT 39928 876 70 stellar stellar JJ 39928 876 71 system system NN 39928 876 72 . . . 39928 877 1 A a DT 39928 877 2 year year NN 39928 877 3 later later RB 39928 877 4 we -PRON- PRP 39928 877 5 find find VBP 39928 877 6 the the DT 39928 877 7 record record NN 39928 877 8 ( ( -LRB- 39928 877 9 in in IN 39928 877 10 _ _ NNP 39928 877 11 Knowledge Knowledge NNP 39928 877 12 _ _ NNP 39928 877 13 , , , 39928 877 14 October October NNP 39928 877 15 1902 1902 CD 39928 877 16 ) ) -RRB- 39928 877 17 of of IN 39928 877 18 Professor Professor NNP 39928 877 19 Campbell Campbell NNP 39928 877 20 's 's POS 39928 877 21 researches research NNS 39928 877 22 at at IN 39928 877 23 the the DT 39928 877 24 Lick Lick NNP 39928 877 25 Observatory Observatory NNP 39928 877 26 . . . 39928 878 1 He -PRON- PRP 39928 878 2 states state VBZ 39928 878 3 that that IN 39928 878 4 , , , 39928 878 5 out out IN 39928 878 6 of of IN 39928 878 7 350 350 CD 39928 878 8 stars star NNS 39928 878 9 observed observe VBN 39928 878 10 spectroscopically spectroscopically RB 39928 878 11 , , , 39928 878 12 one one CD 39928 878 13 in in IN 39928 878 14 eight eight CD 39928 878 15 is be VBZ 39928 878 16 a a DT 39928 878 17 spectroscopic spectroscopic JJ 39928 878 18 binary binary NN 39928 878 19 ; ; : 39928 878 20 and and CC 39928 878 21 so so RB 39928 878 22 impressed impressed JJ 39928 878 23 is be VBZ 39928 878 24 he -PRON- PRP 39928 878 25 with with IN 39928 878 26 their -PRON- PRP$ 39928 878 27 abundance abundance NN 39928 878 28 that that IN 39928 878 29 , , , 39928 878 30 as as IN 39928 878 31 accuracy accuracy NN 39928 878 32 of of IN 39928 878 33 measurement measurement NN 39928 878 34 increases increase NNS 39928 878 35 , , , 39928 878 36 he -PRON- PRP 39928 878 37 believes believe VBZ 39928 878 38 that that IN 39928 878 39 _ _ NNP 39928 878 40 the the DT 39928 878 41 star star NN 39928 878 42 that that WDT 39928 878 43 is be VBZ 39928 878 44 not not RB 39928 878 45 a a DT 39928 878 46 spectroscopic spectroscopic JJ 39928 878 47 binary binary NN 39928 878 48 will will MD 39928 878 49 prove prove VB 39928 878 50 to to TO 39928 878 51 be be VB 39928 878 52 the the DT 39928 878 53 rare rare JJ 39928 878 54 exception exception NN 39928 878 55 _ _ NNP 39928 878 56 ! ! . 39928 879 1 Professor Professor NNP 39928 879 2 G. G. NNP 39928 879 3 Darwin Darwin NNP 39928 879 4 had have VBD 39928 879 5 already already RB 39928 879 6 shown show VBN 39928 879 7 that that IN 39928 879 8 the the DT 39928 879 9 ' ' `` 39928 879 10 dumb dumb JJ 39928 879 11 - - HYPH 39928 879 12 bell bell NN 39928 879 13 ' ' '' 39928 879 14 was be VBD 39928 879 15 a a DT 39928 879 16 figure figure NN 39928 879 17 of of IN 39928 879 18 equilibrium equilibrium NN 39928 879 19 in in IN 39928 879 20 a a DT 39928 879 21 rotating rotate VBG 39928 879 22 mass mass NN 39928 879 23 of of IN 39928 879 24 fluid fluid NN 39928 879 25 ; ; : 39928 879 26 and and CC 39928 879 27 we -PRON- PRP 39928 879 28 now now RB 39928 879 29 find find VBP 39928 879 30 proofs proof NNS 39928 879 31 that that IN 39928 879 32 such such JJ 39928 879 33 figures figure NNS 39928 879 34 exist exist VBP 39928 879 35 , , , 39928 879 36 and and CC 39928 879 37 that that IN 39928 879 38 they -PRON- PRP 39928 879 39 form form VBP 39928 879 40 the the DT 39928 879 41 starting starting NN 39928 879 42 - - HYPH 39928 879 43 point point NN 39928 879 44 for for IN 39928 879 45 the the DT 39928 879 46 enormous enormous JJ 39928 879 47 and and CC 39928 879 48 ever ever RB 39928 879 49 - - HYPH 39928 879 50 increasing increase VBG 39928 879 51 quantities quantity NNS 39928 879 52 of of IN 39928 879 53 spectroscopic spectroscopic JJ 39928 879 54 binary binary JJ 39928 879 55 star star NN 39928 879 56 - - HYPH 39928 879 57 systems system NNS 39928 879 58 that that WDT 39928 879 59 are be VBP 39928 879 60 now now RB 39928 879 61 known know VBN 39928 879 62 . . . 39928 880 1 The the DT 39928 880 2 origin origin NN 39928 880 3 of of IN 39928 880 4 these these DT 39928 880 5 binary binary JJ 39928 880 6 stars star NNS 39928 880 7 is be VBZ 39928 880 8 also also RB 39928 880 9 of of IN 39928 880 10 especial especial JJ 39928 880 11 interest interest NN 39928 880 12 as as IN 39928 880 13 giving give VBG 39928 880 14 support support NN 39928 880 15 to to IN 39928 880 16 Professor Professor NNP 39928 880 17 Darwin Darwin NNP 39928 880 18 's 's POS 39928 880 19 well well RB 39928 880 20 - - HYPH 39928 880 21 known know VBN 39928 880 22 explanation explanation NN 39928 880 23 of of IN 39928 880 24 the the DT 39928 880 25 origin origin NN 39928 880 26 of of IN 39928 880 27 the the DT 39928 880 28 moon moon NN 39928 880 29 by by IN 39928 880 30 disruption disruption NN 39928 880 31 from from IN 39928 880 32 the the DT 39928 880 33 earth earth NN 39928 880 34 , , , 39928 880 35 owing owe VBG 39928 880 36 to to IN 39928 880 37 the the DT 39928 880 38 very very RB 39928 880 39 rapid rapid JJ 39928 880 40 rotation rotation NN 39928 880 41 of of IN 39928 880 42 the the DT 39928 880 43 parent parent NN 39928 880 44 planet planet NN 39928 880 45 . . . 39928 881 1 It -PRON- PRP 39928 881 2 now now RB 39928 881 3 appears appear VBZ 39928 881 4 that that IN 39928 881 5 suns sun NNS 39928 881 6 often often RB 39928 881 7 subdivide subdivide VBP 39928 881 8 in in IN 39928 881 9 the the DT 39928 881 10 same same JJ 39928 881 11 manner manner NN 39928 881 12 , , , 39928 881 13 but but CC 39928 881 14 , , , 39928 881 15 owing owe VBG 39928 881 16 perhaps perhaps RB 39928 881 17 to to IN 39928 881 18 their -PRON- PRP$ 39928 881 19 intensely intensely RB 39928 881 20 heated heated JJ 39928 881 21 gaseous gaseous JJ 39928 881 22 state state NN 39928 881 23 they -PRON- PRP 39928 881 24 seem seem VBP 39928 881 25 usually usually RB 39928 881 26 to to TO 39928 881 27 form form VB 39928 881 28 nearly nearly RB 39928 881 29 equal equal JJ 39928 881 30 globes globe NNS 39928 881 31 . . . 39928 882 1 The the DT 39928 882 2 evolution evolution NN 39928 882 3 of of IN 39928 882 4 this this DT 39928 882 5 special special JJ 39928 882 6 form form NN 39928 882 7 of of IN 39928 882 8 star star NN 39928 882 9 - - HYPH 39928 882 10 system system NN 39928 882 11 is be VBZ 39928 882 12 therefore therefore RB 39928 882 13 now now RB 39928 882 14 an an DT 39928 882 15 observed observed JJ 39928 882 16 fact fact NN 39928 882 17 ; ; : 39928 882 18 though though IN 39928 882 19 it -PRON- PRP 39928 882 20 by by IN 39928 882 21 no no DT 39928 882 22 means means NN 39928 882 23 follows follow VBZ 39928 882 24 that that IN 39928 882 25 all all DT 39928 882 26 double double JJ 39928 882 27 stars star NNS 39928 882 28 have have VBP 39928 882 29 had have VBN 39928 882 30 the the DT 39928 882 31 same same JJ 39928 882 32 mode mode NN 39928 882 33 of of IN 39928 882 34 origin origin NN 39928 882 35 . . . 39928 883 1 CLUSTERS cluster NNS 39928 883 2 OF of IN 39928 883 3 STARS star NNS 39928 883 4 AND and CC 39928 883 5 VARIABLES variables NN 39928 883 6 The the DT 39928 883 7 clusters cluster NNS 39928 883 8 of of IN 39928 883 9 stars star NNS 39928 883 10 , , , 39928 883 11 which which WDT 39928 883 12 are be VBP 39928 883 13 tolerably tolerably RB 39928 883 14 abundant abundant JJ 39928 883 15 in in IN 39928 883 16 the the DT 39928 883 17 heavens heavens NNPS 39928 883 18 and and CC 39928 883 19 offer offer VBP 39928 883 20 so so RB 39928 883 21 many many JJ 39928 883 22 strange strange JJ 39928 883 23 and and CC 39928 883 24 beautiful beautiful JJ 39928 883 25 forms form NNS 39928 883 26 to to IN 39928 883 27 the the DT 39928 883 28 telescopist telescopist NN 39928 883 29 , , , 39928 883 30 are be VBP 39928 883 31 yet yet RB 39928 883 32 among among IN 39928 883 33 the the DT 39928 883 34 most most RBS 39928 883 35 puzzling puzzling JJ 39928 883 36 phenomena phenomenon NNS 39928 883 37 the the DT 39928 883 38 philosophic philosophic JJ 39928 883 39 astronomer astronomer NN 39928 883 40 has have VBZ 39928 883 41 to to TO 39928 883 42 deal deal VB 39928 883 43 with with IN 39928 883 44 . . . 39928 884 1 Many many JJ 39928 884 2 of of IN 39928 884 3 these these DT 39928 884 4 clusters cluster NNS 39928 884 5 which which WDT 39928 884 6 are be VBP 39928 884 7 not not RB 39928 884 8 very very RB 39928 884 9 crowded crowded JJ 39928 884 10 and and CC 39928 884 11 of of IN 39928 884 12 irregular irregular JJ 39928 884 13 forms form NNS 39928 884 14 , , , 39928 884 15 strongly strongly RB 39928 884 16 suggest suggest VBP 39928 884 17 an an DT 39928 884 18 origin origin NN 39928 884 19 from from IN 39928 884 20 the the DT 39928 884 21 equally equally RB 39928 884 22 irregular irregular JJ 39928 884 23 and and CC 39928 884 24 fantastic fantastic JJ 39928 884 25 forms form NNS 39928 884 26 of of IN 39928 884 27 nebulæ nebulæ NN 39928 884 28 by by IN 39928 884 29 a a DT 39928 884 30 process process NN 39928 884 31 of of IN 39928 884 32 aggregation aggregation NN 39928 884 33 like like IN 39928 884 34 that that DT 39928 884 35 which which WDT 39928 884 36 Dr. Dr. NNP 39928 884 37 Roberts Roberts NNP 39928 884 38 describes describe VBZ 39928 884 39 as as IN 39928 884 40 developing develop VBG 39928 884 41 within within IN 39928 884 42 the the DT 39928 884 43 spiral spiral JJ 39928 884 44 nebulæ nebulæ NN 39928 884 45 . . . 39928 885 1 But but CC 39928 885 2 the the DT 39928 885 3 dense dense JJ 39928 885 4 globular globular JJ 39928 885 5 clusters cluster NNS 39928 885 6 which which WDT 39928 885 7 form form VBP 39928 885 8 such such JJ 39928 885 9 beautiful beautiful JJ 39928 885 10 telescopic telescopic JJ 39928 885 11 objects object NNS 39928 885 12 , , , 39928 885 13 and and CC 39928 885 14 in in IN 39928 885 15 some some DT 39928 885 16 of of IN 39928 885 17 which which WDT 39928 885 18 more more JJR 39928 885 19 than than IN 39928 885 20 six six CD 39928 885 21 thousand thousand CD 39928 885 22 stars star NNS 39928 885 23 have have VBP 39928 885 24 been be VBN 39928 885 25 counted count VBN 39928 885 26 besides besides IN 39928 885 27 considerable considerable JJ 39928 885 28 numbers number NNS 39928 885 29 so so RB 39928 885 30 crowded crowded JJ 39928 885 31 in in IN 39928 885 32 the the DT 39928 885 33 centre centre NN 39928 885 34 as as IN 39928 885 35 to to TO 39928 885 36 be be VB 39928 885 37 uncountable uncountable JJ 39928 885 38 , , , 39928 885 39 are be VBP 39928 885 40 more more RBR 39928 885 41 difficult difficult JJ 39928 885 42 to to TO 39928 885 43 explain explain VB 39928 885 44 . . . 39928 886 1 One one CD 39928 886 2 of of IN 39928 886 3 the the DT 39928 886 4 problems problem NNS 39928 886 5 suggested suggest VBN 39928 886 6 by by IN 39928 886 7 these these DT 39928 886 8 clusters cluster NNS 39928 886 9 is be VBZ 39928 886 10 as as IN 39928 886 11 to to IN 39928 886 12 their -PRON- PRP$ 39928 886 13 stability stability NN 39928 886 14 . . . 39928 887 1 Professor Professor NNP 39928 887 2 Simon Simon NNP 39928 887 3 Newcomb Newcomb NNP 39928 887 4 remarks remark VBZ 39928 887 5 on on IN 39928 887 6 this this DT 39928 887 7 point point NN 39928 887 8 as as IN 39928 887 9 follows follow VBZ 39928 887 10 : : : 39928 887 11 ' ' `` 39928 887 12 Where where WRB 39928 887 13 thousands thousand NNS 39928 887 14 of of IN 39928 887 15 stars star NNS 39928 887 16 are be VBP 39928 887 17 condensed condense VBN 39928 887 18 into into IN 39928 887 19 a a DT 39928 887 20 space space NN 39928 887 21 so so RB 39928 887 22 small small JJ 39928 887 23 , , , 39928 887 24 what what WP 39928 887 25 prevents prevent VBZ 39928 887 26 them -PRON- PRP 39928 887 27 from from IN 39928 887 28 all all DT 39928 887 29 falling fall VBG 39928 887 30 together together RB 39928 887 31 into into IN 39928 887 32 one one CD 39928 887 33 confused confused JJ 39928 887 34 mass mass NN 39928 887 35 ? ? . 39928 888 1 Are be VBP 39928 888 2 they -PRON- PRP 39928 888 3 really really RB 39928 888 4 doing do VBG 39928 888 5 so so RB 39928 888 6 , , , 39928 888 7 and and CC 39928 888 8 will will MD 39928 888 9 they -PRON- PRP 39928 888 10 ultimately ultimately RB 39928 888 11 form form VB 39928 888 12 a a DT 39928 888 13 single single JJ 39928 888 14 body body NN 39928 888 15 ? ? . 39928 889 1 These these DT 39928 889 2 are be VBP 39928 889 3 questions question NNS 39928 889 4 which which WDT 39928 889 5 can can MD 39928 889 6 be be VB 39928 889 7 satisfactorily satisfactorily RB 39928 889 8 answered answer VBN 39928 889 9 only only RB 39928 889 10 by by IN 39928 889 11 centuries century NNS 39928 889 12 of of IN 39928 889 13 observation observation NN 39928 889 14 ; ; : 39928 889 15 they -PRON- PRP 39928 889 16 must must MD 39928 889 17 therefore therefore RB 39928 889 18 be be VB 39928 889 19 left leave VBN 39928 889 20 to to IN 39928 889 21 the the DT 39928 889 22 astronomers astronomer NNS 39928 889 23 of of IN 39928 889 24 the the DT 39928 889 25 future future NN 39928 889 26 . . . 39928 889 27 ' ' '' 39928 890 1 There there EX 39928 890 2 are be VBP 39928 890 3 , , , 39928 890 4 however however RB 39928 890 5 , , , 39928 890 6 some some DT 39928 890 7 remarkable remarkable JJ 39928 890 8 features feature NNS 39928 890 9 in in IN 39928 890 10 these these DT 39928 890 11 clusters cluster NNS 39928 890 12 which which WDT 39928 890 13 afford afford VBP 39928 890 14 possible possible JJ 39928 890 15 indications indication NNS 39928 890 16 of of IN 39928 890 17 their -PRON- PRP$ 39928 890 18 origin origin NN 39928 890 19 and and CC 39928 890 20 essential essential JJ 39928 890 21 constitution constitution NN 39928 890 22 . . . 39928 891 1 When when WRB 39928 891 2 closely closely RB 39928 891 3 examined examine VBN 39928 891 4 most most JJS 39928 891 5 of of IN 39928 891 6 them -PRON- PRP 39928 891 7 are be VBP 39928 891 8 seen see VBN 39928 891 9 to to TO 39928 891 10 be be VB 39928 891 11 less less RBR 39928 891 12 regular regular JJ 39928 891 13 than than IN 39928 891 14 they -PRON- PRP 39928 891 15 at at IN 39928 891 16 first first RB 39928 891 17 appear appear VB 39928 891 18 . . . 39928 892 1 Vacant vacant JJ 39928 892 2 spaces space NNS 39928 892 3 can can MD 39928 892 4 be be VB 39928 892 5 noted note VBN 39928 892 6 in in IN 39928 892 7 them -PRON- PRP 39928 892 8 ; ; : 39928 892 9 even even RB 39928 892 10 rifts rift NNS 39928 892 11 of of IN 39928 892 12 definite definite JJ 39928 892 13 forms form NNS 39928 892 14 . . . 39928 893 1 In in IN 39928 893 2 some some DT 39928 893 3 there there EX 39928 893 4 is be VBZ 39928 893 5 a a DT 39928 893 6 radiated radiated JJ 39928 893 7 structure structure NN 39928 893 8 ; ; : 39928 893 9 in in IN 39928 893 10 others other NNS 39928 893 11 there there EX 39928 893 12 are be VBP 39928 893 13 curved curved JJ 39928 893 14 appendages appendage NNS 39928 893 15 ; ; : 39928 893 16 while while IN 39928 893 17 some some DT 39928 893 18 have have VBP 39928 893 19 fainter fainter NN 39928 893 20 centres centre NNS 39928 893 21 . . . 39928 894 1 These these DT 39928 894 2 features feature NNS 39928 894 3 are be VBP 39928 894 4 so so RB 39928 894 5 exactly exactly RB 39928 894 6 like like IN 39928 894 7 what what WP 39928 894 8 are be VBP 39928 894 9 found find VBN 39928 894 10 , , , 39928 894 11 in in IN 39928 894 12 a a DT 39928 894 13 more more RBR 39928 894 14 pronounced pronounced JJ 39928 894 15 form form NN 39928 894 16 , , , 39928 894 17 in in IN 39928 894 18 the the DT 39928 894 19 larger large JJR 39928 894 20 nebulæ nebulæ NN 39928 894 21 , , , 39928 894 22 that that IN 39928 894 23 we -PRON- PRP 39928 894 24 can can MD 39928 894 25 hardly hardly RB 39928 894 26 help help VB 39928 894 27 thinking think VBG 39928 894 28 that that IN 39928 894 29 in in IN 39928 894 30 these these DT 39928 894 31 clusters cluster NNS 39928 894 32 we -PRON- PRP 39928 894 33 have have VBP 39928 894 34 the the DT 39928 894 35 result result NN 39928 894 36 of of IN 39928 894 37 the the DT 39928 894 38 condensation condensation NN 39928 894 39 of of IN 39928 894 40 very very RB 39928 894 41 large large JJ 39928 894 42 nebulæ nebulæ NN 39928 894 43 , , , 39928 894 44 which which WDT 39928 894 45 have have VBP 39928 894 46 first first RB 39928 894 47 aggregated aggregate VBN 39928 894 48 towards towards IN 39928 894 49 numerous numerous JJ 39928 894 50 centres centre NNS 39928 894 51 , , , 39928 894 52 while while IN 39928 894 53 these these DT 39928 894 54 agglomerations agglomeration NNS 39928 894 55 have have VBP 39928 894 56 been be VBN 39928 894 57 slowly slowly RB 39928 894 58 drawn draw VBN 39928 894 59 towards towards IN 39928 894 60 the the DT 39928 894 61 common common JJ 39928 894 62 centre centre NN 39928 894 63 of of IN 39928 894 64 gravity gravity NN 39928 894 65 of of IN 39928 894 66 the the DT 39928 894 67 whole whole JJ 39928 894 68 mass mass NN 39928 894 69 . . . 39928 895 1 It -PRON- PRP 39928 895 2 is be VBZ 39928 895 3 suggestive suggestive JJ 39928 895 4 of of IN 39928 895 5 this this DT 39928 895 6 origin origin NN 39928 895 7 that that IN 39928 895 8 while while IN 39928 895 9 the the DT 39928 895 10 smaller small JJR 39928 895 11 telescopic telescopic NN 39928 895 12 nebulæ nebulæ NN 39928 895 13 are be VBP 39928 895 14 far far RB 39928 895 15 removed remove VBN 39928 895 16 from from IN 39928 895 17 the the DT 39928 895 18 Milky Milky NNP 39928 895 19 Way Way NNP 39928 895 20 , , , 39928 895 21 the the DT 39928 895 22 larger large JJR 39928 895 23 ones one NNS 39928 895 24 are be VBP 39928 895 25 most most RBS 39928 895 26 abundant abundant JJ 39928 895 27 near near IN 39928 895 28 its -PRON- PRP$ 39928 895 29 borders border NNS 39928 895 30 ; ; : 39928 895 31 while while IN 39928 895 32 the the DT 39928 895 33 star star NN 39928 895 34 - - HYPH 39928 895 35 clusters cluster NNS 39928 895 36 are be VBP 39928 895 37 excessively excessively RB 39928 895 38 abundant abundant JJ 39928 895 39 on on IN 39928 895 40 and and CC 39928 895 41 near near IN 39928 895 42 the the DT 39928 895 43 Milky Milky NNP 39928 895 44 Way Way NNP 39928 895 45 , , , 39928 895 46 but but CC 39928 895 47 very very RB 39928 895 48 scarce scarce JJ 39928 895 49 elsewhere elsewhere RB 39928 895 50 , , , 39928 895 51 except except IN 39928 895 52 in in IN 39928 895 53 or or CC 39928 895 54 near near IN 39928 895 55 vast vast JJ 39928 895 56 nebulæ nebulæ NN 39928 895 57 like like IN 39928 895 58 the the DT 39928 895 59 Magellanic Magellanic NNP 39928 895 60 Clouds Clouds NNPS 39928 895 61 . . . 39928 896 1 We -PRON- PRP 39928 896 2 thus thus RB 39928 896 3 see see VBP 39928 896 4 that that IN 39928 896 5 the the DT 39928 896 6 two two CD 39928 896 7 phenomena phenomenon NNS 39928 896 8 may may MD 39928 896 9 be be VB 39928 896 10 complementary complementary JJ 39928 896 11 to to IN 39928 896 12 each each DT 39928 896 13 other other JJ 39928 896 14 , , , 39928 896 15 the the DT 39928 896 16 condensation condensation NN 39928 896 17 of of IN 39928 896 18 nebulæ nebulæ NN 39928 896 19 having have VBG 39928 896 20 gone go VBN 39928 896 21 on on RP 39928 896 22 most most RBS 39928 896 23 rapidly rapidly RB 39928 896 24 where where WRB 39928 896 25 material material NN 39928 896 26 was be VBD 39928 896 27 most most RBS 39928 896 28 abundant abundant JJ 39928 896 29 , , , 39928 896 30 resulting result VBG 39928 896 31 in in IN 39928 896 32 numerous numerous JJ 39928 896 33 star star NN 39928 896 34 - - HYPH 39928 896 35 clusters cluster NNS 39928 896 36 where where WRB 39928 896 37 there there EX 39928 896 38 are be VBP 39928 896 39 now now RB 39928 896 40 few few JJ 39928 896 41 nebulæ nebulæ NNS 39928 896 42 . . . 39928 897 1 There there EX 39928 897 2 is be VBZ 39928 897 3 one one CD 39928 897 4 striking strike VBG 39928 897 5 feature feature NN 39928 897 6 of of IN 39928 897 7 the the DT 39928 897 8 globular globular JJ 39928 897 9 clusters cluster NNS 39928 897 10 which which WDT 39928 897 11 calls call VBZ 39928 897 12 for for IN 39928 897 13 notice notice NN 39928 897 14 ; ; : 39928 897 15 the the DT 39928 897 16 presence presence NN 39928 897 17 in in IN 39928 897 18 some some DT 39928 897 19 of of IN 39928 897 20 them -PRON- PRP 39928 897 21 of of IN 39928 897 22 enormous enormous JJ 39928 897 23 quantities quantity NNS 39928 897 24 of of IN 39928 897 25 variable variable JJ 39928 897 26 stars star NNS 39928 897 27 , , , 39928 897 28 while while IN 39928 897 29 in in IN 39928 897 30 others other NNS 39928 897 31 few few JJ 39928 897 32 or or CC 39928 897 33 none none NN 39928 897 34 can can MD 39928 897 35 be be VB 39928 897 36 found find VBN 39928 897 37 . . . 39928 898 1 The the DT 39928 898 2 Harvard Harvard NNP 39928 898 3 Observatory Observatory NNP 39928 898 4 has have VBZ 39928 898 5 for for IN 39928 898 6 several several JJ 39928 898 7 years year NNS 39928 898 8 devoted devote VBD 39928 898 9 much much JJ 39928 898 10 time time NN 39928 898 11 to to IN 39928 898 12 this this DT 39928 898 13 class class NN 39928 898 14 of of IN 39928 898 15 observations observation NNS 39928 898 16 , , , 39928 898 17 and and CC 39928 898 18 the the DT 39928 898 19 results result NNS 39928 898 20 are be VBP 39928 898 21 given give VBN 39928 898 22 in in IN 39928 898 23 Professor Professor NNP 39928 898 24 Newcomb Newcomb NNP 39928 898 25 's 's POS 39928 898 26 recent recent JJ 39928 898 27 volume volume NN 39928 898 28 on on IN 39928 898 29 ' ' `` 39928 898 30 The the DT 39928 898 31 Stars Stars NNPS 39928 898 32 . . . 39928 898 33 ' ' '' 39928 899 1 It -PRON- PRP 39928 899 2 appears appear VBZ 39928 899 3 that that IN 39928 899 4 twenty twenty CD 39928 899 5 - - HYPH 39928 899 6 three three CD 39928 899 7 clusters cluster NNS 39928 899 8 have have VBP 39928 899 9 been be VBN 39928 899 10 observed observe VBN 39928 899 11 spectroscopically spectroscopically RB 39928 899 12 , , , 39928 899 13 the the DT 39928 899 14 number number NN 39928 899 15 of of IN 39928 899 16 stars star NNS 39928 899 17 examined examine VBN 39928 899 18 in in IN 39928 899 19 each each DT 39928 899 20 cluster cluster NN 39928 899 21 varying varying NN 39928 899 22 from from IN 39928 899 23 145 145 CD 39928 899 24 up up IN 39928 899 25 to to IN 39928 899 26 3000 3000 CD 39928 899 27 , , , 39928 899 28 the the DT 39928 899 29 total total JJ 39928 899 30 number number NN 39928 899 31 of of IN 39928 899 32 stars star NNS 39928 899 33 thus thus RB 39928 899 34 minutely minutely RB 39928 899 35 tested test VBN 39928 899 36 being be VBG 39928 899 37 19,050 19,050 CD 39928 899 38 . . . 39928 900 1 Out out IN 39928 900 2 of of IN 39928 900 3 this this DT 39928 900 4 total total JJ 39928 900 5 number number NN 39928 900 6 509 509 CD 39928 900 7 were be VBD 39928 900 8 found find VBN 39928 900 9 to to TO 39928 900 10 be be VB 39928 900 11 variable variable JJ 39928 900 12 ; ; : 39928 900 13 but but CC 39928 900 14 the the DT 39928 900 15 curious curious JJ 39928 900 16 fact fact NN 39928 900 17 is be VBZ 39928 900 18 , , , 39928 900 19 the the DT 39928 900 20 extreme extreme JJ 39928 900 21 divergence divergence NN 39928 900 22 in in IN 39928 900 23 the the DT 39928 900 24 proportion proportion NN 39928 900 25 of of IN 39928 900 26 variables variable NNS 39928 900 27 to to IN 39928 900 28 the the DT 39928 900 29 whole whole JJ 39928 900 30 number number NN 39928 900 31 examined examine VBN 39928 900 32 in in IN 39928 900 33 the the DT 39928 900 34 several several JJ 39928 900 35 clusters cluster NNS 39928 900 36 . . . 39928 901 1 In in IN 39928 901 2 two two CD 39928 901 3 clusters cluster NNS 39928 901 4 , , , 39928 901 5 though though IN 39928 901 6 1279 1279 CD 39928 901 7 stars star NNS 39928 901 8 were be VBD 39928 901 9 examined examine VBN 39928 901 10 , , , 39928 901 11 not not RB 39928 901 12 a a DT 39928 901 13 single single JJ 39928 901 14 variable variable NN 39928 901 15 was be VBD 39928 901 16 found find VBN 39928 901 17 . . . 39928 902 1 In in IN 39928 902 2 three three CD 39928 902 3 others other NNS 39928 902 4 the the DT 39928 902 5 proportion proportion NN 39928 902 6 was be VBD 39928 902 7 from from IN 39928 902 8 one one CD 39928 902 9 in in IN 39928 902 10 1050 1050 CD 39928 902 11 to to IN 39928 902 12 one one CD 39928 902 13 in in IN 39928 902 14 500 500 CD 39928 902 15 . . . 39928 903 1 Five five CD 39928 903 2 more more RBR 39928 903 3 ranged range VBD 39928 903 4 up up RP 39928 903 5 to to IN 39928 903 6 one one CD 39928 903 7 in in IN 39928 903 8 100 100 CD 39928 903 9 , , , 39928 903 10 and and CC 39928 903 11 the the DT 39928 903 12 remainder remainder NN 39928 903 13 showed show VBD 39928 903 14 from from IN 39928 903 15 that that DT 39928 903 16 proportion proportion NN 39928 903 17 up up RP 39928 903 18 to to IN 39928 903 19 one one CD 39928 903 20 in in IN 39928 903 21 seven seven CD 39928 903 22 , , , 39928 903 23 900 900 CD 39928 903 24 stars star NNS 39928 903 25 being be VBG 39928 903 26 examined examine VBN 39928 903 27 in in IN 39928 903 28 the the DT 39928 903 29 last last JJ 39928 903 30 mentioned mention VBN 39928 903 31 cluster cluster NN 39928 903 32 of of IN 39928 903 33 which which WDT 39928 903 34 132 132 CD 39928 903 35 were be VBD 39928 903 36 variable variable JJ 39928 903 37 ! ! . 39928 904 1 When when WRB 39928 904 2 we -PRON- PRP 39928 904 3 consider consider VBP 39928 904 4 that that IN 39928 904 5 variable variable JJ 39928 904 6 stars star NNS 39928 904 7 form form VBP 39928 904 8 only only RB 39928 904 9 a a DT 39928 904 10 portion portion NN 39928 904 11 , , , 39928 904 12 and and CC 39928 904 13 necessarily necessarily RB 39928 904 14 a a DT 39928 904 15 very very RB 39928 904 16 small small JJ 39928 904 17 proportion proportion NN 39928 904 18 , , , 39928 904 19 of of IN 39928 904 20 binary binary JJ 39928 904 21 systems system NNS 39928 904 22 of of IN 39928 904 23 stars star NNS 39928 904 24 , , , 39928 904 25 it -PRON- PRP 39928 904 26 follows follow VBZ 39928 904 27 that that IN 39928 904 28 in in IN 39928 904 29 all all PDT 39928 904 30 the the DT 39928 904 31 clusters cluster NNS 39928 904 32 which which WDT 39928 904 33 show show VBP 39928 904 34 a a DT 39928 904 35 large large JJ 39928 904 36 proportion proportion NN 39928 904 37 of of IN 39928 904 38 variables variable NNS 39928 904 39 , , , 39928 904 40 a a DT 39928 904 41 very very RB 39928 904 42 much much RB 39928 904 43 larger large JJR 39928 904 44 proportion proportion NN 39928 904 45 -- -- : 39928 904 46 in in IN 39928 904 47 some some DT 39928 904 48 cases case NNS 39928 904 49 perhaps perhaps RB 39928 904 50 all all DT 39928 904 51 , , , 39928 904 52 must must MD 39928 904 53 be be VB 39928 904 54 double double JJ 39928 904 55 or or CC 39928 904 56 multiple multiple JJ 39928 904 57 stars star NNS 39928 904 58 revolving revolve VBG 39928 904 59 round round IN 39928 904 60 each each DT 39928 904 61 other other JJ 39928 904 62 . . . 39928 905 1 With with IN 39928 905 2 this this DT 39928 905 3 remarkable remarkable JJ 39928 905 4 evidence evidence NN 39928 905 5 , , , 39928 905 6 in in IN 39928 905 7 addition addition NN 39928 905 8 to to IN 39928 905 9 that that DT 39928 905 10 adduced adduce VBD 39928 905 11 for for IN 39928 905 12 the the DT 39928 905 13 prevalence prevalence NN 39928 905 14 of of IN 39928 905 15 double double JJ 39928 905 16 stars star NNS 39928 905 17 and and CC 39928 905 18 variables variable NNS 39928 905 19 among among IN 39928 905 20 the the DT 39928 905 21 stars star NNS 39928 905 22 in in IN 39928 905 23 general general JJ 39928 905 24 , , , 39928 905 25 we -PRON- PRP 39928 905 26 can can MD 39928 905 27 understand understand VB 39928 905 28 Professor Professor NNP 39928 905 29 Newcomb Newcomb NNP 39928 905 30 adding add VBG 39928 905 31 his -PRON- PRP$ 39928 905 32 testimony testimony NN 39928 905 33 to to IN 39928 905 34 that that DT 39928 905 35 of of IN 39928 905 36 Professor Professor NNP 39928 905 37 Campbell Campbell NNP 39928 905 38 already already RB 39928 905 39 quoted quote VBD 39928 905 40 , , , 39928 905 41 that that IN 39928 905 42 ' ' `` 39928 905 43 it -PRON- PRP 39928 905 44 is be VBZ 39928 905 45 probable probable JJ 39928 905 46 that that IN 39928 905 47 among among IN 39928 905 48 the the DT 39928 905 49 stars star NNS 39928 905 50 in in IN 39928 905 51 general general JJ 39928 905 52 , , , 39928 905 53 single single JJ 39928 905 54 stars star NNS 39928 905 55 are be VBP 39928 905 56 the the DT 39928 905 57 exception exception NN 39928 905 58 rather rather RB 39928 905 59 than than IN 39928 905 60 the the DT 39928 905 61 rule rule NN 39928 905 62 . . . 39928 906 1 If if IN 39928 906 2 such such JJ 39928 906 3 be be VB 39928 906 4 the the DT 39928 906 5 case case NN 39928 906 6 , , , 39928 906 7 the the DT 39928 906 8 rule rule NN 39928 906 9 should should MD 39928 906 10 hold hold VB 39928 906 11 yet yet RB 39928 906 12 more more RBR 39928 906 13 strongly strongly RB 39928 906 14 among among IN 39928 906 15 the the DT 39928 906 16 stars star NNS 39928 906 17 of of IN 39928 906 18 a a DT 39928 906 19 condensed condensed JJ 39928 906 20 cluster cluster NN 39928 906 21 . . . 39928 906 22 ' ' '' 39928 907 1 THE the DT 39928 907 2 EVOLUTION evolution NN 39928 907 3 OF of IN 39928 907 4 THE the DT 39928 907 5 STARS star NNS 39928 907 6 So so RB 39928 907 7 long long RB 39928 907 8 as as IN 39928 907 9 astronomers astronomer NNS 39928 907 10 were be VBD 39928 907 11 limited limit VBN 39928 907 12 to to IN 39928 907 13 the the DT 39928 907 14 use use NN 39928 907 15 of of IN 39928 907 16 the the DT 39928 907 17 telescope telescope NN 39928 907 18 only only RB 39928 907 19 , , , 39928 907 20 or or CC 39928 907 21 even even RB 39928 907 22 the the DT 39928 907 23 still still RB 39928 907 24 greater great JJR 39928 907 25 powers power NNS 39928 907 26 of of IN 39928 907 27 the the DT 39928 907 28 photographic photographic JJ 39928 907 29 plate plate NN 39928 907 30 , , , 39928 907 31 nothing nothing NN 39928 907 32 could could MD 39928 907 33 be be VB 39928 907 34 learnt learn VBN 39928 907 35 of of IN 39928 907 36 the the DT 39928 907 37 actual actual JJ 39928 907 38 constitution constitution NN 39928 907 39 of of IN 39928 907 40 the the DT 39928 907 41 stars star NNS 39928 907 42 or or CC 39928 907 43 of of IN 39928 907 44 the the DT 39928 907 45 process process NN 39928 907 46 of of IN 39928 907 47 their -PRON- PRP$ 39928 907 48 evolution evolution NN 39928 907 49 . . . 39928 908 1 Their -PRON- PRP$ 39928 908 2 apparent apparent JJ 39928 908 3 magnitudes magnitude NNS 39928 908 4 , , , 39928 908 5 their -PRON- PRP$ 39928 908 6 movements movement NNS 39928 908 7 , , , 39928 908 8 and and CC 39928 908 9 even even RB 39928 908 10 the the DT 39928 908 11 distances distance NNS 39928 908 12 of of IN 39928 908 13 a a DT 39928 908 14 few few JJ 39928 908 15 could could MD 39928 908 16 be be VB 39928 908 17 determined determine VBN 39928 908 18 ; ; : 39928 908 19 while while IN 39928 908 20 the the DT 39928 908 21 diversity diversity NN 39928 908 22 of of IN 39928 908 23 their -PRON- PRP$ 39928 908 24 colours colour NNS 39928 908 25 offered offer VBD 39928 908 26 the the DT 39928 908 27 only only JJ 39928 908 28 clue clue NN 39928 908 29 ( ( -LRB- 39928 908 30 a a DT 39928 908 31 very very RB 39928 908 32 imperfect imperfect JJ 39928 908 33 one one NN 39928 908 34 ) ) -RRB- 39928 908 35 even even RB 39928 908 36 to to IN 39928 908 37 their -PRON- PRP$ 39928 908 38 temperature temperature NN 39928 908 39 . . . 39928 909 1 But but CC 39928 909 2 the the DT 39928 909 3 discovery discovery NN 39928 909 4 of of IN 39928 909 5 spectrum spectrum NNP 39928 909 6 analysis analysis NNP 39928 909 7 has have VBZ 39928 909 8 furnished furnish VBN 39928 909 9 the the DT 39928 909 10 means mean NNS 39928 909 11 of of IN 39928 909 12 obtaining obtain VBG 39928 909 13 some some DT 39928 909 14 definite definite JJ 39928 909 15 knowledge knowledge NN 39928 909 16 of of IN 39928 909 17 the the DT 39928 909 18 physics physics NN 39928 909 19 and and CC 39928 909 20 chemistry chemistry NN 39928 909 21 of of IN 39928 909 22 the the DT 39928 909 23 stars star NNS 39928 909 24 , , , 39928 909 25 and and CC 39928 909 26 has have VBZ 39928 909 27 thus thus RB 39928 909 28 established establish VBN 39928 909 29 a a DT 39928 909 30 new new JJ 39928 909 31 branch branch NN 39928 909 32 ofscience ofscience NN 39928 909 33 -- -- : 39928 909 34 Astrophysics astrophysic NNS 39928 909 35 -- -- : 39928 909 36 which which WDT 39928 909 37 has have VBZ 39928 909 38 already already RB 39928 909 39 attained attain VBN 39928 909 40 large large JJ 39928 909 41 proportions proportion NNS 39928 909 42 , , , 39928 909 43 and and CC 39928 909 44 which which WDT 39928 909 45 furnishes furnish VBZ 39928 909 46 the the DT 39928 909 47 materials material NNS 39928 909 48 for for IN 39928 909 49 a a DT 39928 909 50 periodical periodical JJ 39928 909 51 and and CC 39928 909 52 some some DT 39928 909 53 important important JJ 39928 909 54 volumes volume NNS 39928 909 55 . . . 39928 910 1 This this DT 39928 910 2 branch branch NN 39928 910 3 of of IN 39928 910 4 the the DT 39928 910 5 subject subject NN 39928 910 6 is be VBZ 39928 910 7 very very RB 39928 910 8 complex complex JJ 39928 910 9 , , , 39928 910 10 and and CC 39928 910 11 as as IN 39928 910 12 it -PRON- PRP 39928 910 13 is be VBZ 39928 910 14 not not RB 39928 910 15 directly directly RB 39928 910 16 connected connect VBN 39928 910 17 with with IN 39928 910 18 our -PRON- PRP$ 39928 910 19 present present JJ 39928 910 20 inquiry inquiry NN 39928 910 21 , , , 39928 910 22 it -PRON- PRP 39928 910 23 is be VBZ 39928 910 24 only only RB 39928 910 25 referred refer VBN 39928 910 26 to to IN 39928 910 27 again again RB 39928 910 28 in in IN 39928 910 29 order order NN 39928 910 30 to to TO 39928 910 31 introduce introduce VB 39928 910 32 such such JJ 39928 910 33 of of IN 39928 910 34 its -PRON- PRP$ 39928 910 35 results result NNS 39928 910 36 as as IN 39928 910 37 bear bear NN 39928 910 38 upon upon IN 39928 910 39 the the DT 39928 910 40 question question NN 39928 910 41 of of IN 39928 910 42 the the DT 39928 910 43 classification classification NN 39928 910 44 and and CC 39928 910 45 evolution evolution NN 39928 910 46 of of IN 39928 910 47 the the DT 39928 910 48 stars star NNS 39928 910 49 . . . 39928 911 1 By by IN 39928 911 2 a a DT 39928 911 3 long long JJ 39928 911 4 series series NN 39928 911 5 of of IN 39928 911 6 laboratory laboratory NN 39928 911 7 experiments experiment NNS 39928 911 8 it -PRON- PRP 39928 911 9 has have VBZ 39928 911 10 been be VBN 39928 911 11 shown show VBN 39928 911 12 that that IN 39928 911 13 numerous numerous JJ 39928 911 14 changes change NNS 39928 911 15 occur occur VBP 39928 911 16 in in IN 39928 911 17 the the DT 39928 911 18 spectra spectra NN 39928 911 19 of of IN 39928 911 20 the the DT 39928 911 21 elements element NNS 39928 911 22 when when WRB 39928 911 23 subjected subject VBN 39928 911 24 to to IN 39928 911 25 different different JJ 39928 911 26 temperatures temperature NNS 39928 911 27 , , , 39928 911 28 ranging range VBG 39928 911 29 upwards upwards RB 39928 911 30 to to IN 39928 911 31 the the DT 39928 911 32 highest high JJS 39928 911 33 attainable attainable JJ 39928 911 34 by by IN 39928 911 35 means mean NNS 39928 911 36 of of IN 39928 911 37 a a DT 39928 911 38 battery battery NN 39928 911 39 producing produce VBG 39928 911 40 an an DT 39928 911 41 electric electric JJ 39928 911 42 spark spark NN 39928 911 43 several several JJ 39928 911 44 feet foot NNS 39928 911 45 long long JJ 39928 911 46 . . . 39928 912 1 These these DT 39928 912 2 changes change NNS 39928 912 3 are be VBP 39928 912 4 not not RB 39928 912 5 in in IN 39928 912 6 the the DT 39928 912 7 relative relative JJ 39928 912 8 position position NN 39928 912 9 of of IN 39928 912 10 the the DT 39928 912 11 bands band NNS 39928 912 12 or or CC 39928 912 13 dark dark JJ 39928 912 14 lines line NNS 39928 912 15 , , , 39928 912 16 but but CC 39928 912 17 in in IN 39928 912 18 their -PRON- PRP$ 39928 912 19 number number NN 39928 912 20 , , , 39928 912 21 breadth breadth NN 39928 912 22 , , , 39928 912 23 and and CC 39928 912 24 intensity intensity NN 39928 912 25 . . . 39928 913 1 Other other JJ 39928 913 2 changes change NNS 39928 913 3 are be VBP 39928 913 4 due due JJ 39928 913 5 to to IN 39928 913 6 the the DT 39928 913 7 density density NN 39928 913 8 of of IN 39928 913 9 the the DT 39928 913 10 medium medium NN 39928 913 11 in in IN 39928 913 12 which which WDT 39928 913 13 the the DT 39928 913 14 elements element NNS 39928 913 15 are be VBP 39928 913 16 heated heat VBN 39928 913 17 , , , 39928 913 18 and and CC 39928 913 19 to to IN 39928 913 20 their -PRON- PRP$ 39928 913 21 chemical chemical NN 39928 913 22 condition condition NN 39928 913 23 as as IN 39928 913 24 to to IN 39928 913 25 purity purity NN 39928 913 26 ; ; : 39928 913 27 and and CC 39928 913 28 from from IN 39928 913 29 these these DT 39928 913 30 various various JJ 39928 913 31 modifications modification NNS 39928 913 32 and and CC 39928 913 33 their -PRON- PRP$ 39928 913 34 comparison comparison NN 39928 913 35 with with IN 39928 913 36 the the DT 39928 913 37 solar solar JJ 39928 913 38 spectrum spectrum NN 39928 913 39 and and CC 39928 913 40 those those DT 39928 913 41 of of IN 39928 913 42 its -PRON- PRP$ 39928 913 43 appendages appendage NNS 39928 913 44 , , , 39928 913 45 it -PRON- PRP 39928 913 46 has have VBZ 39928 913 47 become become VBN 39928 913 48 possible possible JJ 39928 913 49 to to TO 39928 913 50 determine determine VB 39928 913 51 , , , 39928 913 52 from from IN 39928 913 53 the the DT 39928 913 54 spectrum spectrum NN 39928 913 55 of of IN 39928 913 56 a a DT 39928 913 57 star star NN 39928 913 58 , , , 39928 913 59 not not RB 39928 913 60 only only RB 39928 913 61 its -PRON- PRP$ 39928 913 62 temperature temperature NN 39928 913 63 as as IN 39928 913 64 compared compare VBN 39928 913 65 with with IN 39928 913 66 that that DT 39928 913 67 of of IN 39928 913 68 the the DT 39928 913 69 electric electric JJ 39928 913 70 spark spark NN 39928 913 71 and and CC 39928 913 72 of of IN 39928 913 73 the the DT 39928 913 74 sun sun NN 39928 913 75 , , , 39928 913 76 but but CC 39928 913 77 also also RB 39928 913 78 its -PRON- PRP$ 39928 913 79 place place NN 39928 913 80 in in IN 39928 913 81 a a DT 39928 913 82 developmental developmental JJ 39928 913 83 series series NN 39928 913 84 . . . 39928 914 1 The the DT 39928 914 2 first first JJ 39928 914 3 general general JJ 39928 914 4 result result NN 39928 914 5 obtained obtain VBN 39928 914 6 by by IN 39928 914 7 this this DT 39928 914 8 research research NN 39928 914 9 is be VBZ 39928 914 10 , , , 39928 914 11 that that IN 39928 914 12 the the DT 39928 914 13 bluish bluish JJ 39928 914 14 white white NNP 39928 914 15 or or CC 39928 914 16 pure pure JJ 39928 914 17 white white JJ 39928 914 18 stars star NNS 39928 914 19 , , , 39928 914 20 having have VBG 39928 914 21 a a DT 39928 914 22 spectrum spectrum NN 39928 914 23 extending extend VBG 39928 914 24 far far RB 39928 914 25 towards towards IN 39928 914 26 the the DT 39928 914 27 violet violet NN 39928 914 28 end end NN 39928 914 29 , , , 39928 914 30 and and CC 39928 914 31 which which WDT 39928 914 32 exhibits exhibit VBZ 39928 914 33 the the DT 39928 914 34 coloured coloured JJ 39928 914 35 bands band NNS 39928 914 36 of of IN 39928 914 37 gases gas NNS 39928 914 38 only only RB 39928 914 39 , , , 39928 914 40 usually usually RB 39928 914 41 hydrogen hydrogen NN 39928 914 42 and and CC 39928 914 43 helium helium NN 39928 914 44 , , , 39928 914 45 are be VBP 39928 914 46 the the DT 39928 914 47 hottest hot JJS 39928 914 48 . . . 39928 915 1 Next next RB 39928 915 2 come come VB 39928 915 3 those those DT 39928 915 4 with with IN 39928 915 5 a a DT 39928 915 6 shorter short JJR 39928 915 7 spectrum spectrum NN 39928 915 8 not not RB 39928 915 9 extending extend VBG 39928 915 10 so so RB 39928 915 11 far far RB 39928 915 12 towards towards IN 39928 915 13 the the DT 39928 915 14 violet violet NN 39928 915 15 end end NN 39928 915 16 , , , 39928 915 17 and and CC 39928 915 18 whose whose WP$ 39928 915 19 light light NN 39928 915 20 is be VBZ 39928 915 21 therefore therefore RB 39928 915 22 more more RBR 39928 915 23 yellow yellow JJ 39928 915 24 in in IN 39928 915 25 tint tint NN 39928 915 26 . . . 39928 916 1 To to IN 39928 916 2 this this DT 39928 916 3 group group NN 39928 916 4 our -PRON- PRP$ 39928 916 5 sun sun NN 39928 916 6 belongs belong VBZ 39928 916 7 ; ; : 39928 916 8 and and CC 39928 916 9 they -PRON- PRP 39928 916 10 are be VBP 39928 916 11 all all RB 39928 916 12 characterised characterise VBN 39928 916 13 like like IN 39928 916 14 it -PRON- PRP 39928 916 15 by by IN 39928 916 16 dark dark JJ 39928 916 17 lines line NNS 39928 916 18 due due JJ 39928 916 19 to to IN 39928 916 20 absorption absorption NN 39928 916 21 , , , 39928 916 22 and and CC 39928 916 23 by by IN 39928 916 24 the the DT 39928 916 25 presence presence NN 39928 916 26 of of IN 39928 916 27 metals metal NNS 39928 916 28 , , , 39928 916 29 especially especially RB 39928 916 30 iron iron NN 39928 916 31 , , , 39928 916 32 in in IN 39928 916 33 a a DT 39928 916 34 gaseous gaseous JJ 39928 916 35 state state NN 39928 916 36 . . . 39928 917 1 The the DT 39928 917 2 third third JJ 39928 917 3 group group NN 39928 917 4 have have VBP 39928 917 5 the the DT 39928 917 6 shortest short JJS 39928 917 7 spectra spectra NN 39928 917 8 and and CC 39928 917 9 are be VBP 39928 917 10 of of IN 39928 917 11 a a DT 39928 917 12 red red JJ 39928 917 13 colour colour NN 39928 917 14 , , , 39928 917 15 while while IN 39928 917 16 their -PRON- PRP$ 39928 917 17 spectra spectra JJ 39928 917 18 contain contain NN 39928 917 19 lines line NNS 39928 917 20 denoting denote VBG 39928 917 21 the the DT 39928 917 22 presence presence NN 39928 917 23 of of IN 39928 917 24 carbon carbon NN 39928 917 25 . . . 39928 918 1 These these DT 39928 918 2 three three CD 39928 918 3 groups group NNS 39928 918 4 are be VBP 39928 918 5 often often RB 39928 918 6 spoken speak VBN 39928 918 7 of of IN 39928 918 8 as as IN 39928 918 9 ' ' `` 39928 918 10 gaseous gaseous JJ 39928 918 11 stars star NNS 39928 918 12 , , , 39928 918 13 ' ' '' 39928 918 14 ' ' `` 39928 918 15 metallic metallic JJ 39928 918 16 stars star NNS 39928 918 17 , , , 39928 918 18 ' ' '' 39928 918 19 and and CC 39928 918 20 ' ' `` 39928 918 21 carbon carbon NN 39928 918 22 stars star NNS 39928 918 23 . . . 39928 918 24 ' ' '' 39928 919 1 Other other JJ 39928 919 2 astronomers astronomer NNS 39928 919 3 call call VBP 39928 919 4 the the DT 39928 919 5 first first JJ 39928 919 6 group group NN 39928 919 7 ' ' `` 39928 919 8 Sirian sirian JJ 39928 919 9 stars star NNS 39928 919 10 , , , 39928 919 11 ' ' '' 39928 919 12 because because IN 39928 919 13 Sirius Sirius NNP 39928 919 14 , , , 39928 919 15 though though IN 39928 919 16 not not RB 39928 919 17 the the DT 39928 919 18 hottest hot JJS 39928 919 19 , , , 39928 919 20 is be VBZ 39928 919 21 a a DT 39928 919 22 characteristic characteristic JJ 39928 919 23 type type NN 39928 919 24 ; ; : 39928 919 25 the the DT 39928 919 26 second second JJ 39928 919 27 being be VBG 39928 919 28 termed term VBN 39928 919 29 ' ' `` 39928 919 30 solar solar JJ 39928 919 31 stars star NNS 39928 919 32 ' ' '' 39928 919 33 ; ; : 39928 919 34 others other NNS 39928 919 35 again again RB 39928 919 36 speak speak VBP 39928 919 37 of of IN 39928 919 38 them -PRON- PRP 39928 919 39 as as IN 39928 919 40 stars star NNS 39928 919 41 of of IN 39928 919 42 Class Class NNP 39928 919 43 I. I. NNP 39928 919 44 , , , 39928 919 45 Class Class NNP 39928 919 46 II II NNP 39928 919 47 . . NNP 39928 919 48 , , , 39928 919 49 etc etc FW 39928 919 50 . . FW 39928 919 51 , , , 39928 919 52 according accord VBG 39928 919 53 to to IN 39928 919 54 the the DT 39928 919 55 system system NN 39928 919 56 of of IN 39928 919 57 classification classification NN 39928 919 58 they -PRON- PRP 39928 919 59 have have VBP 39928 919 60 adopted adopt VBN 39928 919 61 . . . 39928 920 1 It -PRON- PRP 39928 920 2 was be VBD 39928 920 3 soon soon RB 39928 920 4 perceived perceive VBN 39928 920 5 , , , 39928 920 6 however however RB 39928 920 7 , , , 39928 920 8 that that IN 39928 920 9 neither neither CC 39928 920 10 the the DT 39928 920 11 colour colour NN 39928 920 12 nor nor CC 39928 920 13 the the DT 39928 920 14 temperature temperature NN 39928 920 15 of of IN 39928 920 16 stars star NNS 39928 920 17 gave give VBD 39928 920 18 much much JJ 39928 920 19 information information NN 39928 920 20 as as IN 39928 920 21 to to IN 39928 920 22 their -PRON- PRP$ 39928 920 23 nature nature NN 39928 920 24 and and CC 39928 920 25 state state NN 39928 920 26 of of IN 39928 920 27 development development NN 39928 920 28 , , , 39928 920 29 because because IN 39928 920 30 , , , 39928 920 31 unless unless IN 39928 920 32 we -PRON- PRP 39928 920 33 supposed suppose VBD 39928 920 34 the the DT 39928 920 35 stars star NNS 39928 920 36 to to TO 39928 920 37 begin begin VB 39928 920 38 their -PRON- PRP$ 39928 920 39 lives life NNS 39928 920 40 already already RB 39928 920 41 intensely intensely RB 39928 920 42 hot hot JJ 39928 920 43 ( ( -LRB- 39928 920 44 and and CC 39928 920 45 all all PDT 39928 920 46 the the DT 39928 920 47 evidence evidence NN 39928 920 48 is be VBZ 39928 920 49 against against IN 39928 920 50 this this DT 39928 920 51 ) ) -RRB- 39928 920 52 , , , 39928 920 53 there there EX 39928 920 54 must must MD 39928 920 55 be be VB 39928 920 56 a a DT 39928 920 57 period period NN 39928 920 58 during during IN 39928 920 59 which which WDT 39928 920 60 heat heat NN 39928 920 61 increases increase NNS 39928 920 62 , , , 39928 920 63 then then RB 39928 920 64 one one CD 39928 920 65 of of IN 39928 920 66 maximum maximum JJ 39928 920 67 heat heat NN 39928 920 68 , , , 39928 920 69 followed follow VBN 39928 920 70 by by IN 39928 920 71 one one CD 39928 920 72 of of IN 39928 920 73 cooling cooling JJ 39928 920 74 and and CC 39928 920 75 final final JJ 39928 920 76 loss loss NN 39928 920 77 of of IN 39928 920 78 light light NN 39928 920 79 altogether altogether RB 39928 920 80 . . . 39928 921 1 The the DT 39928 921 2 meteoritic meteoritic JJ 39928 921 3 theory theory NN 39928 921 4 of of IN 39928 921 5 the the DT 39928 921 6 origin origin NN 39928 921 7 of of IN 39928 921 8 all all DT 39928 921 9 luminous luminous JJ 39928 921 10 bodies body NNS 39928 921 11 in in IN 39928 921 12 the the DT 39928 921 13 heavens heavens NNPS 39928 921 14 , , , 39928 921 15 now now RB 39928 921 16 very very RB 39928 921 17 widely widely RB 39928 921 18 adopted adopt VBN 39928 921 19 , , , 39928 921 20 has have VBZ 39928 921 21 been be VBN 39928 921 22 used use VBN 39928 921 23 , , , 39928 921 24 as as IN 39928 921 25 we -PRON- PRP 39928 921 26 have have VBP 39928 921 27 seen see VBN 39928 921 28 , , , 39928 921 29 to to TO 39928 921 30 explain explain VB 39928 921 31 the the DT 39928 921 32 development development NN 39928 921 33 of of IN 39928 921 34 stars star NNS 39928 921 35 from from IN 39928 921 36 nebulæ nebulæ NN 39928 921 37 , , , 39928 921 38 and and CC 39928 921 39 its -PRON- PRP$ 39928 921 40 chief chief JJ 39928 921 41 exponent exponent NN 39928 921 42 in in IN 39928 921 43 this this DT 39928 921 44 country country NN 39928 921 45 , , , 39928 921 46 Sir Sir NNP 39928 921 47 Norman Norman NNP 39928 921 48 Lockyer Lockyer NNP 39928 921 49 , , , 39928 921 50 has have VBZ 39928 921 51 propounded propound VBN 39928 921 52 a a DT 39928 921 53 complete complete JJ 39928 921 54 scheme scheme NN 39928 921 55 of of IN 39928 921 56 stellar stellar JJ 39928 921 57 evolution evolution NN 39928 921 58 and and CC 39928 921 59 decay decay NN 39928 921 60 which which WDT 39928 921 61 may may MD 39928 921 62 be be VB 39928 921 63 here here RB 39928 921 64 briefly briefly RB 39928 921 65 outlined outline VBN 39928 921 66 : : : 39928 921 67 Beginning begin VBG 39928 921 68 with with IN 39928 921 69 nebulæ nebulæ NN 39928 921 70 , , , 39928 921 71 we -PRON- PRP 39928 921 72 pass pass VBP 39928 921 73 on on RP 39928 921 74 to to IN 39928 921 75 stars star NNS 39928 921 76 having have VBG 39928 921 77 banded band VBN 39928 921 78 or or CC 39928 921 79 fluted flute VBN 39928 921 80 spectra spectra NNP 39928 921 81 , , , 39928 921 82 indicating indicate VBG 39928 921 83 comparatively comparatively RB 39928 921 84 low low JJ 39928 921 85 temperatures temperature NNS 39928 921 86 and and CC 39928 921 87 showing show VBG 39928 921 88 bands band NNS 39928 921 89 or or CC 39928 921 90 lines line NNS 39928 921 91 of of IN 39928 921 92 iron iron NN 39928 921 93 , , , 39928 921 94 manganese manganese JJ 39928 921 95 , , , 39928 921 96 calcium calcium NN 39928 921 97 , , , 39928 921 98 and and CC 39928 921 99 other other JJ 39928 921 100 metals metal NNS 39928 921 101 . . . 39928 922 1 They -PRON- PRP 39928 922 2 are be VBP 39928 922 3 more more RBR 39928 922 4 or or CC 39928 922 5 less less RBR 39928 922 6 red red JJ 39928 922 7 in in IN 39928 922 8 colour colour NN 39928 922 9 , , , 39928 922 10 Antares antare NNS 39928 922 11 in in IN 39928 922 12 the the DT 39928 922 13 Scorpion scorpion NN 39928 922 14 being be VBG 39928 922 15 one one CD 39928 922 16 of of IN 39928 922 17 the the DT 39928 922 18 most most RBS 39928 922 19 brilliant brilliant JJ 39928 922 20 red red JJ 39928 922 21 stars star NNS 39928 922 22 known know VBN 39928 922 23 . . . 39928 923 1 These these DT 39928 923 2 stars star NNS 39928 923 3 are be VBP 39928 923 4 supposed suppose VBN 39928 923 5 to to TO 39928 923 6 be be VB 39928 923 7 in in IN 39928 923 8 the the DT 39928 923 9 process process NN 39928 923 10 of of IN 39928 923 11 aggregation aggregation NN 39928 923 12 , , , 39928 923 13 to to TO 39928 923 14 be be VB 39928 923 15 continually continually RB 39928 923 16 increasing increase VBG 39928 923 17 in in IN 39928 923 18 size size NN 39928 923 19 and and CC 39928 923 20 heat heat NN 39928 923 21 , , , 39928 923 22 and and CC 39928 923 23 thus thus RB 39928 923 24 to to TO 39928 923 25 be be VB 39928 923 26 subject subject JJ 39928 923 27 to to IN 39928 923 28 great great JJ 39928 923 29 disturbances disturbance NNS 39928 923 30 . . . 39928 924 1 Alpha Alpha NNP 39928 924 2 Cygni Cygni NNP 39928 924 3 has have VBZ 39928 924 4 a a DT 39928 924 5 similar similar JJ 39928 924 6 spectrum spectrum NN 39928 924 7 but but CC 39928 924 8 with with IN 39928 924 9 more more JJR 39928 924 10 hydrogen hydrogen NN 39928 924 11 , , , 39928 924 12 and and CC 39928 924 13 is be VBZ 39928 924 14 much much RB 39928 924 15 hotter hot JJR 39928 924 16 . . . 39928 925 1 The the DT 39928 925 2 increase increase NN 39928 925 3 of of IN 39928 925 4 heat heat NN 39928 925 5 goes go VBZ 39928 925 6 on on RP 39928 925 7 through through IN 39928 925 8 Rigel Rigel NNP 39928 925 9 and and CC 39928 925 10 Beta Beta NNP 39928 925 11 Crucis Crucis NNP 39928 925 12 , , , 39928 925 13 in in IN 39928 925 14 which which WDT 39928 925 15 we -PRON- PRP 39928 925 16 find find VBP 39928 925 17 mainly mainly RB 39928 925 18 hydrogen hydrogen NN 39928 925 19 , , , 39928 925 20 helium helium NN 39928 925 21 , , , 39928 925 22 oxygen oxygen NN 39928 925 23 , , , 39928 925 24 nitrogen nitrogen NN 39928 925 25 , , , 39928 925 26 and and CC 39928 925 27 also also RB 39928 925 28 carbon carbon NN 39928 925 29 , , , 39928 925 30 but but CC 39928 925 31 only only RB 39928 925 32 faint faint JJ 39928 925 33 traces trace NNS 39928 925 34 of of IN 39928 925 35 metals metal NNS 39928 925 36 . . . 39928 926 1 Reaching reach VBG 39928 926 2 the the DT 39928 926 3 hottest hot JJS 39928 926 4 of of IN 39928 926 5 all all DT 39928 926 6 -- -- : 39928 926 7 Epsilon Epsilon NNP 39928 926 8 Orionis Orionis NNP 39928 926 9 and and CC 39928 926 10 two two CD 39928 926 11 stars star NNS 39928 926 12 in in IN 39928 926 13 Argo Argo NNP 39928 926 14 -- -- : 39928 926 15 hydrogen hydrogen NN 39928 926 16 is be VBZ 39928 926 17 predominant predominant JJ 39928 926 18 , , , 39928 926 19 with with IN 39928 926 20 traces trace NNS 39928 926 21 of of IN 39928 926 22 a a DT 39928 926 23 few few JJ 39928 926 24 metals metal NNS 39928 926 25 and and CC 39928 926 26 carbon carbon NN 39928 926 27 . . . 39928 927 1 The the DT 39928 927 2 cooling cool VBG 39928 927 3 series series NN 39928 927 4 is be VBZ 39928 927 5 indicated indicate VBN 39928 927 6 by by IN 39928 927 7 thicker thick JJR 39928 927 8 lines line NNS 39928 927 9 of of IN 39928 927 10 hydrogen hydrogen NN 39928 927 11 and and CC 39928 927 12 thinner thin JJR 39928 927 13 lines line NNS 39928 927 14 of of IN 39928 927 15 the the DT 39928 927 16 metallic metallic JJ 39928 927 17 elements element NNS 39928 927 18 , , , 39928 927 19 through through IN 39928 927 20 Sirius Sirius NNP 39928 927 21 , , , 39928 927 22 to to IN 39928 927 23 Arcturus Arcturus NNP 39928 927 24 and and CC 39928 927 25 our -PRON- PRP$ 39928 927 26 sun sun NN 39928 927 27 , , , 39928 927 28 thence thence RB 39928 927 29 to to IN 39928 927 30 19 19 CD 39928 927 31 Piscium piscium NN 39928 927 32 , , , 39928 927 33 which which WDT 39928 927 34 shows show VBZ 39928 927 35 chiefly chiefly RB 39928 927 36 flutings fluting NNS 39928 927 37 of of IN 39928 927 38 carbon carbon NN 39928 927 39 , , , 39928 927 40 with with IN 39928 927 41 a a DT 39928 927 42 few few JJ 39928 927 43 faint faint JJ 39928 927 44 metallic metallic JJ 39928 927 45 lines line NNS 39928 927 46 . . . 39928 928 1 The the DT 39928 928 2 process process NN 39928 928 3 of of IN 39928 928 4 further further RB 39928 928 5 cooling cooling NN 39928 928 6 brings bring VBZ 39928 928 7 us -PRON- PRP 39928 928 8 to to IN 39928 928 9 the the DT 39928 928 10 dark dark JJ 39928 928 11 stars star NNS 39928 928 12 . . . 39928 929 1 We -PRON- PRP 39928 929 2 have have VBP 39928 929 3 here here RB 39928 929 4 a a DT 39928 929 5 complete complete JJ 39928 929 6 scheme scheme NN 39928 929 7 of of IN 39928 929 8 evolution evolution NN 39928 929 9 , , , 39928 929 10 carrying carry VBG 39928 929 11 us -PRON- PRP 39928 929 12 from from IN 39928 929 13 those those DT 39928 929 14 ill ill RB 39928 929 15 - - HYPH 39928 929 16 defined define VBN 39928 929 17 but but CC 39928 929 18 enormously enormously RB 39928 929 19 diffused diffused JJ 39928 929 20 masses masse NNS 39928 929 21 of of IN 39928 929 22 gas gas NN 39928 929 23 and and CC 39928 929 24 cosmic cosmic JJ 39928 929 25 dust dust NN 39928 929 26 we -PRON- PRP 39928 929 27 know know VBP 39928 929 28 as as IN 39928 929 29 nebulæ nebulæ NN 39928 929 30 , , , 39928 929 31 through through IN 39928 929 32 planetary planetary NN 39928 929 33 nebulæ nebulæ NN 39928 929 34 , , , 39928 929 35 nebulous nebulous JJ 39928 929 36 stars star NNS 39928 929 37 , , , 39928 929 38 variable variable JJ 39928 929 39 and and CC 39928 929 40 double double JJ 39928 929 41 - - HYPH 39928 929 42 stars star NNS 39928 929 43 , , , 39928 929 44 to to IN 39928 929 45 red red JJ 39928 929 46 and and CC 39928 929 47 white white JJ 39928 929 48 stars star NNS 39928 929 49 and and CC 39928 929 50 on on RB 39928 929 51 to to IN 39928 929 52 those those DT 39928 929 53 exhibiting exhibit VBG 39928 929 54 the the DT 39928 929 55 most most RBS 39928 929 56 intense intense JJ 39928 929 57 blue blue JJ 39928 929 58 - - HYPH 39928 929 59 white white JJ 39928 929 60 lustre lustre NN 39928 929 61 . . . 39928 930 1 We -PRON- PRP 39928 930 2 must must MD 39928 930 3 remember remember VB 39928 930 4 , , , 39928 930 5 however however RB 39928 930 6 , , , 39928 930 7 that that IN 39928 930 8 the the DT 39928 930 9 most most RBS 39928 930 10 brilliant brilliant JJ 39928 930 11 of of IN 39928 930 12 these these DT 39928 930 13 stars star NNS 39928 930 14 , , , 39928 930 15 showing show VBG 39928 930 16 a a DT 39928 930 17 gaseous gaseous JJ 39928 930 18 spectrum spectrum NN 39928 930 19 and and CC 39928 930 20 forming form VBG 39928 930 21 the the DT 39928 930 22 culminating culminate VBG 39928 930 23 point point NN 39928 930 24 of of IN 39928 930 25 the the DT 39928 930 26 ascending ascend VBG 39928 930 27 series series NN 39928 930 28 , , , 39928 930 29 are be VBP 39928 930 30 not not RB 39928 930 31 necessarily necessarily RB 39928 930 32 hotter hot JJR 39928 930 33 than than IN 39928 930 34 , , , 39928 930 35 or or CC 39928 930 36 even even RB 39928 930 37 so so RB 39928 930 38 hot hot JJ 39928 930 39 as as IN 39928 930 40 , , , 39928 930 41 some some DT 39928 930 42 of of IN 39928 930 43 those those DT 39928 930 44 far far RB 39928 930 45 down down RB 39928 930 46 on on IN 39928 930 47 the the DT 39928 930 48 descending descend VBG 39928 930 49 scale scale NN 39928 930 50 ; ; : 39928 930 51 since since IN 39928 930 52 it -PRON- PRP 39928 930 53 is be VBZ 39928 930 54 one one CD 39928 930 55 of of IN 39928 930 56 the the DT 39928 930 57 apparent apparent JJ 39928 930 58 paradoxes paradox NNS 39928 930 59 of of IN 39928 930 60 physics physics NN 39928 930 61 that that WDT 39928 930 62 a a DT 39928 930 63 body body NN 39928 930 64 may may MD 39928 930 65 become become VB 39928 930 66 hotter hot JJR 39928 930 67 during during IN 39928 930 68 the the DT 39928 930 69 very very JJ 39928 930 70 process process NN 39928 930 71 of of IN 39928 930 72 contraction contraction NN 39928 930 73 through through IN 39928 930 74 loss loss NN 39928 930 75 of of IN 39928 930 76 heat heat NN 39928 930 77 . . . 39928 931 1 The the DT 39928 931 2 reason reason NN 39928 931 3 is be VBZ 39928 931 4 that that IN 39928 931 5 by by IN 39928 931 6 cooling cool VBG 39928 931 7 it -PRON- PRP 39928 931 8 contracts contract NNS 39928 931 9 and and CC 39928 931 10 thus thus RB 39928 931 11 becomes become VBZ 39928 931 12 denser denser NN 39928 931 13 , , , 39928 931 14 that that IN 39928 931 15 a a DT 39928 931 16 portion portion NN 39928 931 17 of of IN 39928 931 18 its -PRON- PRP$ 39928 931 19 mass mass NN 39928 931 20 falls fall VBZ 39928 931 21 towards towards IN 39928 931 22 its -PRON- PRP$ 39928 931 23 centre centre NN 39928 931 24 , , , 39928 931 25 and and CC 39928 931 26 in in IN 39928 931 27 doing do VBG 39928 931 28 so so RB 39928 931 29 produces produce VBZ 39928 931 30 an an DT 39928 931 31 amount amount NN 39928 931 32 of of IN 39928 931 33 heat heat NN 39928 931 34 which which WDT 39928 931 35 , , , 39928 931 36 though though IN 39928 931 37 absolutely absolutely RB 39928 931 38 less less JJR 39928 931 39 than than IN 39928 931 40 the the DT 39928 931 41 heat heat NN 39928 931 42 lost lose VBN 39928 931 43 in in IN 39928 931 44 cooling cooling NN 39928 931 45 , , , 39928 931 46 will will MD 39928 931 47 under under IN 39928 931 48 certain certain JJ 39928 931 49 conditions condition NNS 39928 931 50 cause cause VB 39928 931 51 the the DT 39928 931 52 reduced reduce VBN 39928 931 53 surface surface NN 39928 931 54 to to TO 39928 931 55 become become VB 39928 931 56 hotter hot JJR 39928 931 57 . . . 39928 932 1 The the DT 39928 932 2 essential essential JJ 39928 932 3 point point NN 39928 932 4 is be VBZ 39928 932 5 , , , 39928 932 6 that that IN 39928 932 7 the the DT 39928 932 8 body body NN 39928 932 9 in in IN 39928 932 10 question question NN 39928 932 11 must must MD 39928 932 12 be be VB 39928 932 13 wholly wholly RB 39928 932 14 gaseous gaseous JJ 39928 932 15 , , , 39928 932 16 allowing allow VBG 39928 932 17 of of IN 39928 932 18 free free JJ 39928 932 19 circulation circulation NN 39928 932 20 from from IN 39928 932 21 surface surface NN 39928 932 22 to to IN 39928 932 23 centre centre NN 39928 932 24 . . . 39928 933 1 The the DT 39928 933 2 law law NN 39928 933 3 , , , 39928 933 4 as as IN 39928 933 5 given give VBN 39928 933 6 by by IN 39928 933 7 Professor Professor NNP 39928 933 8 S. S. NNP 39928 933 9 Newcomb Newcomb NNP 39928 933 10 , , , 39928 933 11 is be VBZ 39928 933 12 as as IN 39928 933 13 follows:-- follows:-- ADD 39928 933 14 ' ' `` 39928 933 15 _ _ NNP 39928 933 16 When when WRB 39928 933 17 a a DT 39928 933 18 spherical spherical JJ 39928 933 19 mass mass NN 39928 933 20 of of IN 39928 933 21 incandescent incandescent JJ 39928 933 22 gas gas NN 39928 933 23 contracts contract NNS 39928 933 24 through through IN 39928 933 25 the the DT 39928 933 26 loss loss NN 39928 933 27 of of IN 39928 933 28 its -PRON- PRP$ 39928 933 29 heat heat NN 39928 933 30 by by IN 39928 933 31 radiation radiation NN 39928 933 32 into into IN 39928 933 33 space space NN 39928 933 34 , , , 39928 933 35 its -PRON- PRP$ 39928 933 36 temperature temperature NN 39928 933 37 continually continually RB 39928 933 38 becomes become VBZ 39928 933 39 higher high JJR 39928 933 40 as as RB 39928 933 41 long long RB 39928 933 42 as as IN 39928 933 43 the the DT 39928 933 44 gaseous gaseous JJ 39928 933 45 condition condition NN 39928 933 46 is be VBZ 39928 933 47 retained retain VBN 39928 933 48 . . . 39928 933 49 _ _ NNP 39928 933 50 ' ' `` 39928 933 51 To to TO 39928 933 52 put put VB 39928 933 53 it -PRON- PRP 39928 933 54 in in IN 39928 933 55 another another DT 39928 933 56 way way NN 39928 933 57 : : : 39928 933 58 if if IN 39928 933 59 the the DT 39928 933 60 compression compression NN 39928 933 61 was be VBD 39928 933 62 caused cause VBN 39928 933 63 by by IN 39928 933 64 external external JJ 39928 933 65 force force NN 39928 933 66 and and CC 39928 933 67 no no DT 39928 933 68 heat heat NN 39928 933 69 was be VBD 39928 933 70 lost lose VBN 39928 933 71 , , , 39928 933 72 the the DT 39928 933 73 globe globe NN 39928 933 74 would would MD 39928 933 75 get get VB 39928 933 76 hotter hot JJR 39928 933 77 by by IN 39928 933 78 a a DT 39928 933 79 calculable calculable JJ 39928 933 80 amount amount NN 39928 933 81 for for IN 39928 933 82 each each DT 39928 933 83 unit unit NN 39928 933 84 of of IN 39928 933 85 contraction contraction NN 39928 933 86 . . . 39928 934 1 But but CC 39928 934 2 the the DT 39928 934 3 heat heat NN 39928 934 4 lost lose VBD 39928 934 5 in in IN 39928 934 6 causing cause VBG 39928 934 7 a a DT 39928 934 8 similar similar JJ 39928 934 9 amount amount NN 39928 934 10 of of IN 39928 934 11 contraction contraction NN 39928 934 12 is be VBZ 39928 934 13 so so RB 39928 934 14 little little JJ 39928 934 15 more more JJR 39928 934 16 than than IN 39928 934 17 the the DT 39928 934 18 increase increase NN 39928 934 19 of of IN 39928 934 20 heat heat NN 39928 934 21 produced produce VBN 39928 934 22 by by IN 39928 934 23 contraction contraction NN 39928 934 24 , , , 39928 934 25 that that IN 39928 934 26 the the DT 39928 934 27 slightly slightly RB 39928 934 28 diminished diminished JJ 39928 934 29 total total JJ 39928 934 30 heat heat NN 39928 934 31 in in IN 39928 934 32 a a DT 39928 934 33 smaller small JJR 39928 934 34 bulk bulk NN 39928 934 35 causes cause VBZ 39928 934 36 the the DT 39928 934 37 temperature temperature NN 39928 934 38 of of IN 39928 934 39 the the DT 39928 934 40 mass mass NN 39928 934 41 to to TO 39928 934 42 increase increase VB 39928 934 43 . . . 39928 935 1 But but CC 39928 935 2 if if IN 39928 935 3 , , , 39928 935 4 as as IN 39928 935 5 there there EX 39928 935 6 is be VBZ 39928 935 7 reason reason NN 39928 935 8 to to TO 39928 935 9 believe believe VB 39928 935 10 , , , 39928 935 11 the the DT 39928 935 12 various various JJ 39928 935 13 types type NNS 39928 935 14 of of IN 39928 935 15 stars star NNS 39928 935 16 differ differ VBP 39928 935 17 also also RB 39928 935 18 in in IN 39928 935 19 chemical chemical NN 39928 935 20 constitution constitution NN 39928 935 21 , , , 39928 935 22 some some DT 39928 935 23 consisting consist VBG 39928 935 24 mainly mainly RB 39928 935 25 of of IN 39928 935 26 the the DT 39928 935 27 more more RBR 39928 935 28 permanent permanent JJ 39928 935 29 gases gas NNS 39928 935 30 , , , 39928 935 31 while while IN 39928 935 32 in in IN 39928 935 33 others other NNS 39928 935 34 the the DT 39928 935 35 various various JJ 39928 935 36 metallic metallic JJ 39928 935 37 and and CC 39928 935 38 non non JJ 39928 935 39 - - JJ 39928 935 40 metallic metallic JJ 39928 935 41 elements element NNS 39928 935 42 are be VBP 39928 935 43 present present JJ 39928 935 44 in in IN 39928 935 45 very very RB 39928 935 46 different different JJ 39928 935 47 proportions proportion NNS 39928 935 48 , , , 39928 935 49 there there EX 39928 935 50 should should MD 39928 935 51 really really RB 39928 935 52 be be VB 39928 935 53 a a DT 39928 935 54 classification classification NN 39928 935 55 by by IN 39928 935 56 constitution constitution NN 39928 935 57 as as RB 39928 935 58 well well RB 39928 935 59 as as IN 39928 935 60 by by IN 39928 935 61 temperature temperature NN 39928 935 62 , , , 39928 935 63 and and CC 39928 935 64 the the DT 39928 935 65 course course NN 39928 935 66 of of IN 39928 935 67 evolution evolution NN 39928 935 68 of of IN 39928 935 69 the the DT 39928 935 70 differently differently RB 39928 935 71 constituted constituted JJ 39928 935 72 groups group NNS 39928 935 73 may may MD 39928 935 74 be be VB 39928 935 75 to to IN 39928 935 76 some some DT 39928 935 77 extent extent NN 39928 935 78 dissimilar dissimilar JJ 39928 935 79 . . . 39928 936 1 With with IN 39928 936 2 this this DT 39928 936 3 limitation limitation NN 39928 936 4 the the DT 39928 936 5 process process NN 39928 936 6 of of IN 39928 936 7 evolution evolution NN 39928 936 8 and and CC 39928 936 9 decay decay NN 39928 936 10 of of IN 39928 936 11 sun sun NN 39928 936 12 through through IN 39928 936 13 a a DT 39928 936 14 cycle cycle NN 39928 936 15 of of IN 39928 936 16 increasing increase VBG 39928 936 17 and and CC 39928 936 18 decreasing decrease VBG 39928 936 19 temperature temperature NN 39928 936 20 , , , 39928 936 21 as as IN 39928 936 22 suggested suggest VBN 39928 936 23 by by IN 39928 936 24 Sir Sir NNP 39928 936 25 Norman Norman NNP 39928 936 26 Lockyer Lockyer NNP 39928 936 27 , , , 39928 936 28 is be VBZ 39928 936 29 clear clear JJ 39928 936 30 and and CC 39928 936 31 suggestive suggestive JJ 39928 936 32 . . . 39928 937 1 During during IN 39928 937 2 the the DT 39928 937 3 ascending ascend VBG 39928 937 4 series series NN 39928 937 5 the the DT 39928 937 6 star star NN 39928 937 7 is be VBZ 39928 937 8 growing grow VBG 39928 937 9 both both CC 39928 937 10 in in IN 39928 937 11 mass mass NN 39928 937 12 and and CC 39928 937 13 heat heat NN 39928 937 14 , , , 39928 937 15 by by IN 39928 937 16 the the DT 39928 937 17 continual continual JJ 39928 937 18 accretion accretion NN 39928 937 19 of of IN 39928 937 20 meteoritic meteoritic JJ 39928 937 21 matter matter NN 39928 937 22 either either CC 39928 937 23 drawn draw VBN 39928 937 24 to to IN 39928 937 25 it -PRON- PRP 39928 937 26 by by IN 39928 937 27 gravitation gravitation NN 39928 937 28 or or CC 39928 937 29 falling fall VBG 39928 937 30 towards towards IN 39928 937 31 it -PRON- PRP 39928 937 32 through through IN 39928 937 33 the the DT 39928 937 34 proper proper JJ 39928 937 35 motions motion NNS 39928 937 36 of of IN 39928 937 37 independent independent JJ 39928 937 38 masses masse NNS 39928 937 39 . . . 39928 938 1 This this DT 39928 938 2 goes go VBZ 39928 938 3 on on RP 39928 938 4 till till IN 39928 938 5 all all PDT 39928 938 6 the the DT 39928 938 7 matter matter NN 39928 938 8 for for IN 39928 938 9 some some DT 39928 938 10 distance distance NN 39928 938 11 around around IN 39928 938 12 the the DT 39928 938 13 star star NN 39928 938 14 has have VBZ 39928 938 15 been be VBN 39928 938 16 utilised utilise VBN 39928 938 17 , , , 39928 938 18 and and CC 39928 938 19 a a DT 39928 938 20 maximum maximum NN 39928 938 21 of of IN 39928 938 22 size size NN 39928 938 23 , , , 39928 938 24 heat heat NN 39928 938 25 , , , 39928 938 26 and and CC 39928 938 27 brilliancy brilliancy NN 39928 938 28 attained attain VBD 39928 938 29 . . . 39928 939 1 Then then RB 39928 939 2 the the DT 39928 939 3 loss loss NN 39928 939 4 of of IN 39928 939 5 heat heat NN 39928 939 6 by by IN 39928 939 7 radiation radiation NN 39928 939 8 is be VBZ 39928 939 9 no no RB 39928 939 10 longer long RBR 39928 939 11 compensated compensate VBN 39928 939 12 by by IN 39928 939 13 the the DT 39928 939 14 influx influx NN 39928 939 15 of of IN 39928 939 16 fresh fresh JJ 39928 939 17 matter matter NN 39928 939 18 , , , 39928 939 19 and and CC 39928 939 20 a a DT 39928 939 21 slow slow JJ 39928 939 22 contraction contraction NN 39928 939 23 occurs occur VBZ 39928 939 24 accompanied accompany VBN 39928 939 25 by by IN 39928 939 26 a a DT 39928 939 27 slightly slightly RB 39928 939 28 increased increase VBN 39928 939 29 temperature temperature NN 39928 939 30 . . . 39928 940 1 But but CC 39928 940 2 owing owe VBG 39928 940 3 to to IN 39928 940 4 the the DT 39928 940 5 more more RBR 39928 940 6 stable stable JJ 39928 940 7 conditions condition NNS 39928 940 8 continuous continuous JJ 39928 940 9 envelopes envelope NNS 39928 940 10 of of IN 39928 940 11 metals metal NNS 39928 940 12 in in IN 39928 940 13 the the DT 39928 940 14 gaseous gaseous JJ 39928 940 15 state state NN 39928 940 16 are be VBP 39928 940 17 formed form VBN 39928 940 18 , , , 39928 940 19 which which WDT 39928 940 20 check check VBP 39928 940 21 the the DT 39928 940 22 loss loss NN 39928 940 23 of of IN 39928 940 24 heat heat NN 39928 940 25 and and CC 39928 940 26 reduce reduce VB 39928 940 27 the the DT 39928 940 28 brilliancy brilliancy NN 39928 940 29 of of IN 39928 940 30 colour colour NN 39928 940 31 ; ; : 39928 940 32 whence whence NN 39928 940 33 it -PRON- PRP 39928 940 34 follows follow VBZ 39928 940 35 that that IN 39928 940 36 bodies body NNS 39928 940 37 like like IN 39928 940 38 our -PRON- PRP$ 39928 940 39 sun sun NN 39928 940 40 may may MD 39928 940 41 be be VB 39928 940 42 really really RB 39928 940 43 hotter hot JJR 39928 940 44 than than IN 39928 940 45 the the DT 39928 940 46 most most RBS 39928 940 47 brilliant brilliant JJ 39928 940 48 white white JJ 39928 940 49 stars star NNS 39928 940 50 , , , 39928 940 51 though though IN 39928 940 52 not not RB 39928 940 53 giving give VBG 39928 940 54 out out RP 39928 940 55 quite quite RB 39928 940 56 so so RB 39928 940 57 much much JJ 39928 940 58 heat heat NN 39928 940 59 . . . 39928 941 1 The the DT 39928 941 2 loss loss NN 39928 941 3 of of IN 39928 941 4 heat heat NN 39928 941 5 is be VBZ 39928 941 6 therefore therefore RB 39928 941 7 reduced reduce VBN 39928 941 8 ; ; : 39928 941 9 and and CC 39928 941 10 this this DT 39928 941 11 may may MD 39928 941 12 serve serve VB 39928 941 13 to to TO 39928 941 14 account account VB 39928 941 15 for for IN 39928 941 16 the the DT 39928 941 17 undoubted undoubted JJ 39928 941 18 fact fact NN 39928 941 19 that that IN 39928 941 20 during during IN 39928 941 21 the the DT 39928 941 22 enormous enormous JJ 39928 941 23 epochs epoch NNS 39928 941 24 of of IN 39928 941 25 geological geological JJ 39928 941 26 time time NN 39928 941 27 there there EX 39928 941 28 has have VBZ 39928 941 29 been be VBN 39928 941 30 very very RB 39928 941 31 little little JJ 39928 941 32 diminution diminution NN 39928 941 33 in in IN 39928 941 34 the the DT 39928 941 35 amount amount NN 39928 941 36 of of IN 39928 941 37 heat heat NN 39928 941 38 we -PRON- PRP 39928 941 39 have have VBP 39928 941 40 received receive VBN 39928 941 41 from from IN 39928 941 42 the the DT 39928 941 43 sun sun NN 39928 941 44 . . . 39928 942 1 On on IN 39928 942 2 the the DT 39928 942 3 general general JJ 39928 942 4 question question NN 39928 942 5 of of IN 39928 942 6 the the DT 39928 942 7 meteoritic meteoritic JJ 39928 942 8 hypothesis hypothesis NN 39928 942 9 one one CD 39928 942 10 of of IN 39928 942 11 our -PRON- PRP$ 39928 942 12 first first JJ 39928 942 13 mathematicians mathematician NNS 39928 942 14 , , , 39928 942 15 Professor Professor NNP 39928 942 16 George George NNP 39928 942 17 Darwin Darwin NNP 39928 942 18 , , , 39928 942 19 has have VBZ 39928 942 20 thus thus RB 39928 942 21 expressed express VBN 39928 942 22 his -PRON- PRP$ 39928 942 23 views view NNS 39928 942 24 : : : 39928 942 25 ' ' '' 39928 942 26 The the DT 39928 942 27 conception conception NN 39928 942 28 of of IN 39928 942 29 the the DT 39928 942 30 growth growth NN 39928 942 31 of of IN 39928 942 32 the the DT 39928 942 33 planetary planetary NN 39928 942 34 bodies body NNS 39928 942 35 by by IN 39928 942 36 the the DT 39928 942 37 aggregation aggregation NN 39928 942 38 of of IN 39928 942 39 meteorites meteorites NNPS 39928 942 40 is be VBZ 39928 942 41 a a DT 39928 942 42 good good JJ 39928 942 43 one one NN 39928 942 44 , , , 39928 942 45 and and CC 39928 942 46 perhaps perhaps RB 39928 942 47 seems seem VBZ 39928 942 48 more more RBR 39928 942 49 probable probable JJ 39928 942 50 than than IN 39928 942 51 the the DT 39928 942 52 hypothesis hypothesis NN 39928 942 53 that that IN 39928 942 54 the the DT 39928 942 55 whole whole JJ 39928 942 56 solar solar JJ 39928 942 57 system system NN 39928 942 58 was be VBD 39928 942 59 gaseous gaseous JJ 39928 942 60 . . . 39928 942 61 ' ' '' 39928 943 1 I -PRON- PRP 39928 943 2 may may MD 39928 943 3 add add VB 39928 943 4 , , , 39928 943 5 that that IN 39928 943 6 one one CD 39928 943 7 of of IN 39928 943 8 the the DT 39928 943 9 chief chief JJ 39928 943 10 objections objection NNS 39928 943 11 made make VBN 39928 943 12 to to IN 39928 943 13 it -PRON- PRP 39928 943 14 , , , 39928 943 15 that that IN 39928 943 16 meteorites meteorite NNS 39928 943 17 are be VBP 39928 943 18 too too RB 39928 943 19 complex complex JJ 39928 943 20 to to TO 39928 943 21 be be VB 39928 943 22 supposed suppose VBN 39928 943 23 to to TO 39928 943 24 be be VB 39928 943 25 the the DT 39928 943 26 primitive primitive JJ 39928 943 27 matter matter NN 39928 943 28 out out IN 39928 943 29 of of IN 39928 943 30 which which WDT 39928 943 31 suns sun NNS 39928 943 32 and and CC 39928 943 33 worlds world NNS 39928 943 34 have have VBP 39928 943 35 been be VBN 39928 943 36 made make VBN 39928 943 37 , , , 39928 943 38 does do VBZ 39928 943 39 not not RB 39928 943 40 seem seem VB 39928 943 41 to to IN 39928 943 42 me -PRON- PRP 39928 943 43 valid valid JJ 39928 943 44 . . . 39928 944 1 The the DT 39928 944 2 primitive primitive JJ 39928 944 3 matter matter NN 39928 944 4 , , , 39928 944 5 whatever whatever WDT 39928 944 6 it -PRON- PRP 39928 944 7 was be VBD 39928 944 8 , , , 39928 944 9 may may MD 39928 944 10 have have VB 39928 944 11 been be VBN 39928 944 12 used use VBN 39928 944 13 up up RP 39928 944 14 again again RB 39928 944 15 and and CC 39928 944 16 again again RB 39928 944 17 , , , 39928 944 18 and and CC 39928 944 19 if if IN 39928 944 20 collisions collision NNS 39928 944 21 of of IN 39928 944 22 large large JJ 39928 944 23 solid solid JJ 39928 944 24 globes globe NNS 39928 944 25 ever ever RB 39928 944 26 occur occur VBP 39928 944 27 -- -- : 39928 944 28 and and CC 39928 944 29 it -PRON- PRP 39928 944 30 is be VBZ 39928 944 31 assumed assume VBN 39928 944 32 by by IN 39928 944 33 most most JJS 39928 944 34 astronomers astronomer NNS 39928 944 35 that that IN 39928 944 36 they -PRON- PRP 39928 944 37 must must MD 39928 944 38 sometimes sometimes RB 39928 944 39 occur occur VB 39928 944 40 -- -- : 39928 944 41 then then RB 39928 944 42 meteoric meteoric JJ 39928 944 43 particles particle NNS 39928 944 44 of of IN 39928 944 45 all all DT 39928 944 46 sizes size NNS 39928 944 47 would would MD 39928 944 48 be be VB 39928 944 49 produced produce VBN 39928 944 50 which which WDT 39928 944 51 might may MD 39928 944 52 exhibit exhibit VB 39928 944 53 any any DT 39928 944 54 complexity complexity NN 39928 944 55 of of IN 39928 944 56 mineral mineral NN 39928 944 57 constitution constitution NN 39928 944 58 . . . 39928 945 1 The the DT 39928 945 2 material material JJ 39928 945 3 universe universe NN 39928 945 4 has have VBZ 39928 945 5 probably probably RB 39928 945 6 been be VBN 39928 945 7 in in IN 39928 945 8 existence existence NN 39928 945 9 long long RB 39928 945 10 enough enough RB 39928 945 11 for for IN 39928 945 12 all all PDT 39928 945 13 the the DT 39928 945 14 primitive primitive JJ 39928 945 15 elements element NNS 39928 945 16 to to TO 39928 945 17 have have VB 39928 945 18 been be VBN 39928 945 19 again again RB 39928 945 20 and and CC 39928 945 21 again again RB 39928 945 22 combined combine VBN 39928 945 23 into into IN 39928 945 24 the the DT 39928 945 25 minerals mineral NNS 39928 945 26 found find VBN 39928 945 27 upon upon IN 39928 945 28 the the DT 39928 945 29 earth earth NN 39928 945 30 and and CC 39928 945 31 many many JJ 39928 945 32 others other NNS 39928 945 33 . . . 39928 946 1 It -PRON- PRP 39928 946 2 can can MD 39928 946 3 not not RB 39928 946 4 be be VB 39928 946 5 too too RB 39928 946 6 often often RB 39928 946 7 repeated repeat VBN 39928 946 8 that that IN 39928 946 9 no no DT 39928 946 10 explanation explanation NN 39928 946 11 -- -- : 39928 946 12 no no DT 39928 946 13 theory theory NN 39928 946 14 -- -- : 39928 946 15 can can MD 39928 946 16 ever ever RB 39928 946 17 take take VB 39928 946 18 us -PRON- PRP 39928 946 19 to to IN 39928 946 20 the the DT 39928 946 21 beginning beginning NN 39928 946 22 of of IN 39928 946 23 things thing NNS 39928 946 24 , , , 39928 946 25 but but CC 39928 946 26 only only RB 39928 946 27 one one CD 39928 946 28 or or CC 39928 946 29 two two CD 39928 946 30 steps step NNS 39928 946 31 at at IN 39928 946 32 a a DT 39928 946 33 time time NN 39928 946 34 into into IN 39928 946 35 the the DT 39928 946 36 dim dim JJ 39928 946 37 past past NN 39928 946 38 , , , 39928 946 39 which which WDT 39928 946 40 may may MD 39928 946 41 enable enable VB 39928 946 42 us -PRON- PRP 39928 946 43 to to TO 39928 946 44 comprehend comprehend VB 39928 946 45 , , , 39928 946 46 however however RB 39928 946 47 imperfectly imperfectly RB 39928 946 48 , , , 39928 946 49 the the DT 39928 946 50 processes process NNS 39928 946 51 by by IN 39928 946 52 which which WDT 39928 946 53 the the DT 39928 946 54 world world NN 39928 946 55 , , , 39928 946 56 or or CC 39928 946 57 the the DT 39928 946 58 universe universe NN 39928 946 59 , , , 39928 946 60 as as IN 39928 946 61 it -PRON- PRP 39928 946 62 is be VBZ 39928 946 63 , , , 39928 946 64 has have VBZ 39928 946 65 been be VBN 39928 946 66 developed develop VBN 39928 946 67 out out IN 39928 946 68 of of IN 39928 946 69 some some DT 39928 946 70 earlier early JJR 39928 946 71 and and CC 39928 946 72 simpler simple JJR 39928 946 73 condition condition NN 39928 946 74 . . . 39928 947 1 CHAPTER CHAPTER NNP 39928 947 2 VII vii NN 39928 947 3 ARE are VBP 39928 947 4 THE the DT 39928 947 5 STARS star NNS 39928 947 6 INFINITE INFINITE NNS 39928 947 7 IN in IN 39928 947 8 NUMBER number NN 39928 947 9 ? ? . 39928 948 1 Most Most JJS 39928 948 2 of of IN 39928 948 3 the the DT 39928 948 4 critics critic NNS 39928 948 5 of of IN 39928 948 6 my -PRON- PRP$ 39928 948 7 first first JJ 39928 948 8 short short JJ 39928 948 9 discussion discussion NN 39928 948 10 of of IN 39928 948 11 this this DT 39928 948 12 subject subject NN 39928 948 13 laid lay VBD 39928 948 14 great great JJ 39928 948 15 stress stress NN 39928 948 16 upon upon IN 39928 948 17 the the DT 39928 948 18 impossibility impossibility NN 39928 948 19 of of IN 39928 948 20 proving prove VBG 39928 948 21 that that IN 39928 948 22 the the DT 39928 948 23 universe universe NN 39928 948 24 , , , 39928 948 25 a a DT 39928 948 26 part part NN 39928 948 27 of of IN 39928 948 28 which which WDT 39928 948 29 we -PRON- PRP 39928 948 30 see see VBP 39928 948 31 , , , 39928 948 32 is be VBZ 39928 948 33 not not RB 39928 948 34 infinite infinite JJ 39928 948 35 ; ; : 39928 948 36 and and CC 39928 948 37 a a DT 39928 948 38 well well RB 39928 948 39 - - HYPH 39928 948 40 known know VBN 39928 948 41 astronomer astronomer NN 39928 948 42 declared declare VBD 39928 948 43 that that IN 39928 948 44 unless unless IN 39928 948 45 it -PRON- PRP 39928 948 46 can can MD 39928 948 47 be be VB 39928 948 48 demonstrated demonstrate VBN 39928 948 49 that that IN 39928 948 50 our -PRON- PRP$ 39928 948 51 universe universe NN 39928 948 52 is be VBZ 39928 948 53 finite finite JJ 39928 948 54 the the DT 39928 948 55 entire entire JJ 39928 948 56 argument argument NN 39928 948 57 founded found VBN 39928 948 58 upon upon IN 39928 948 59 our -PRON- PRP$ 39928 948 60 position position NN 39928 948 61 within within IN 39928 948 62 it -PRON- PRP 39928 948 63 fall fall VBP 39928 948 64 to to IN 39928 948 65 the the DT 39928 948 66 ground ground NN 39928 948 67 . . . 39928 949 1 I -PRON- PRP 39928 949 2 had have VBD 39928 949 3 laid lay VBN 39928 949 4 myself -PRON- PRP 39928 949 5 open open JJ 39928 949 6 to to IN 39928 949 7 this this DT 39928 949 8 objection objection NN 39928 949 9 by by IN 39928 949 10 rather rather RB 39928 949 11 incautiously incautiously RB 39928 949 12 admitting admit VBG 39928 949 13 that that IN 39928 949 14 if if IN 39928 949 15 the the DT 39928 949 16 preponderance preponderance NN 39928 949 17 of of IN 39928 949 18 evidence evidence NN 39928 949 19 pointed point VBD 39928 949 20 in in IN 39928 949 21 this this DT 39928 949 22 direction direction NN 39928 949 23 any any DT 39928 949 24 inquiry inquiry NN 39928 949 25 as as IN 39928 949 26 to to IN 39928 949 27 our -PRON- PRP$ 39928 949 28 place place NN 39928 949 29 in in IN 39928 949 30 the the DT 39928 949 31 universe universe NN 39928 949 32 would would MD 39928 949 33 be be VB 39928 949 34 useless useless JJ 39928 949 35 , , , 39928 949 36 because because IN 39928 949 37 as as IN 39928 949 38 regards regard VBZ 39928 949 39 infinity infinity NN 39928 949 40 there there EX 39928 949 41 can can MD 39928 949 42 be be VB 39928 949 43 no no DT 39928 949 44 difference difference NN 39928 949 45 of of IN 39928 949 46 position position NN 39928 949 47 . . . 39928 950 1 But but CC 39928 950 2 this this DT 39928 950 3 statement statement NN 39928 950 4 is be VBZ 39928 950 5 by by IN 39928 950 6 no no DT 39928 950 7 means means NN 39928 950 8 exact exact JJ 39928 950 9 , , , 39928 950 10 and and CC 39928 950 11 even even RB 39928 950 12 in in IN 39928 950 13 an an DT 39928 950 14 infinite infinite JJ 39928 950 15 universe universe NN 39928 950 16 of of IN 39928 950 17 matter matter NN 39928 950 18 containing contain VBG 39928 950 19 an an DT 39928 950 20 infinite infinite JJ 39928 950 21 number number NN 39928 950 22 of of IN 39928 950 23 stars star NNS 39928 950 24 , , , 39928 950 25 such such JJ 39928 950 26 as as IN 39928 950 27 those those DT 39928 950 28 we -PRON- PRP 39928 950 29 see see VBP 39928 950 30 , , , 39928 950 31 there there EX 39928 950 32 might may MD 39928 950 33 well well RB 39928 950 34 be be VB 39928 950 35 such such JJ 39928 950 36 infinite infinite JJ 39928 950 37 diversities diversity NNS 39928 950 38 of of IN 39928 950 39 distribution distribution NN 39928 950 40 and and CC 39928 950 41 arrangement arrangement NN 39928 950 42 as as IN 39928 950 43 would would MD 39928 950 44 give give VB 39928 950 45 to to IN 39928 950 46 certain certain JJ 39928 950 47 positions position NNS 39928 950 48 all all PDT 39928 950 49 the the DT 39928 950 50 advantages advantage NNS 39928 950 51 which which WDT 39928 950 52 I -PRON- PRP 39928 950 53 submit submit VBP 39928 950 54 we -PRON- PRP 39928 950 55 actually actually RB 39928 950 56 possess possess VBP 39928 950 57 . . . 39928 951 1 Supposing supposing NN 39928 951 2 , , , 39928 951 3 for for IN 39928 951 4 example example NN 39928 951 5 , , , 39928 951 6 that that IN 39928 951 7 beyond beyond IN 39928 951 8 the the DT 39928 951 9 vast vast JJ 39928 951 10 ring ring NN 39928 951 11 of of IN 39928 951 12 the the DT 39928 951 13 Milky Milky NNP 39928 951 14 Way Way NNP 39928 951 15 the the DT 39928 951 16 stars star NNS 39928 951 17 rapidly rapidly RB 39928 951 18 decrease decrease VBP 39928 951 19 in in IN 39928 951 20 number number NN 39928 951 21 in in IN 39928 951 22 all all DT 39928 951 23 directions direction NNS 39928 951 24 for for IN 39928 951 25 a a DT 39928 951 26 distance distance NN 39928 951 27 of of IN 39928 951 28 a a DT 39928 951 29 hundred hundred CD 39928 951 30 or or CC 39928 951 31 a a DT 39928 951 32 thousand thousand CD 39928 951 33 times time NNS 39928 951 34 the the DT 39928 951 35 diameter diameter NN 39928 951 36 of of IN 39928 951 37 that that DT 39928 951 38 ring ring NN 39928 951 39 , , , 39928 951 40 and and CC 39928 951 41 that that IN 39928 951 42 then then RB 39928 951 43 for for IN 39928 951 44 an an DT 39928 951 45 equal equal JJ 39928 951 46 distance distance NN 39928 951 47 they -PRON- PRP 39928 951 48 slowly slowly RB 39928 951 49 increase increase VBP 39928 951 50 again again RB 39928 951 51 and and CC 39928 951 52 become become VB 39928 951 53 aggregated aggregated JJ 39928 951 54 into into IN 39928 951 55 systems system NNS 39928 951 56 or or CC 39928 951 57 universes universe NNS 39928 951 58 totally totally RB 39928 951 59 distinct distinct JJ 39928 951 60 from from IN 39928 951 61 ours -PRON- PRP 39928 951 62 in in IN 39928 951 63 form form NN 39928 951 64 and and CC 39928 951 65 structure structure NN 39928 951 66 , , , 39928 951 67 and and CC 39928 951 68 so so RB 39928 951 69 remote remote JJ 39928 951 70 that that IN 39928 951 71 they -PRON- PRP 39928 951 72 can can MD 39928 951 73 influence influence VB 39928 951 74 us -PRON- PRP 39928 951 75 in in IN 39928 951 76 no no DT 39928 951 77 way way NN 39928 951 78 whatever whatever WDT 39928 951 79 . . . 39928 952 1 Then then RB 39928 952 2 , , , 39928 952 3 I -PRON- PRP 39928 952 4 maintain maintain VBP 39928 952 5 , , , 39928 952 6 our -PRON- PRP$ 39928 952 7 position position NN 39928 952 8 within within IN 39928 952 9 our -PRON- PRP$ 39928 952 10 own own JJ 39928 952 11 stellar stellar JJ 39928 952 12 universe universe NN 39928 952 13 might may MD 39928 952 14 have have VB 39928 952 15 exactly exactly RB 39928 952 16 the the DT 39928 952 17 same same JJ 39928 952 18 importance importance NN 39928 952 19 , , , 39928 952 20 and and CC 39928 952 21 be be VB 39928 952 22 equally equally RB 39928 952 23 suggestive suggestive JJ 39928 952 24 , , , 39928 952 25 as as IN 39928 952 26 if if IN 39928 952 27 ours our NNS 39928 952 28 were be VBD 39928 952 29 the the DT 39928 952 30 only only JJ 39928 952 31 material material JJ 39928 952 32 universe universe NN 39928 952 33 in in IN 39928 952 34 existence existence NN 39928 952 35 -- -- : 39928 952 36 as as IN 39928 952 37 if if IN 39928 952 38 the the DT 39928 952 39 apparent apparent JJ 39928 952 40 diminution diminution NN 39928 952 41 in in IN 39928 952 42 the the DT 39928 952 43 number number NN 39928 952 44 of of IN 39928 952 45 stars star NNS 39928 952 46 ( ( -LRB- 39928 952 47 which which WDT 39928 952 48 is be VBZ 39928 952 49 an an DT 39928 952 50 observed observed JJ 39928 952 51 fact fact NN 39928 952 52 ) ) -RRB- 39928 952 53 indicated indicate VBD 39928 952 54 a a DT 39928 952 55 continuous continuous JJ 39928 952 56 diminution diminution NN 39928 952 57 , , , 39928 952 58 leading lead VBG 39928 952 59 at at IN 39928 952 60 some some DT 39928 952 61 unknown unknown JJ 39928 952 62 distance distance NN 39928 952 63 to to IN 39928 952 64 entire entire JJ 39928 952 65 absence absence NN 39928 952 66 of of IN 39928 952 67 luminous luminous JJ 39928 952 68 -- -- : 39928 952 69 that that RB 39928 952 70 is is RB 39928 952 71 , , , 39928 952 72 of of IN 39928 952 73 active active JJ 39928 952 74 , , , 39928 952 75 energy energy NN 39928 952 76 - - HYPH 39928 952 77 emitting emit VBG 39928 952 78 aggregations aggregation NNS 39928 952 79 of of IN 39928 952 80 matter matter NN 39928 952 81 . . . 39928 953 1 [ [ -LRB- 39928 953 2 1 1 LS 39928 953 3 ] ] -RRB- 39928 953 4 As as IN 39928 953 5 to to IN 39928 953 6 whether whether IN 39928 953 7 there there EX 39928 953 8 are be VBP 39928 953 9 such such JJ 39928 953 10 other other JJ 39928 953 11 material material NN 39928 953 12 universes universe NNS 39928 953 13 or or CC 39928 953 14 not not RB 39928 953 15 I -PRON- PRP 39928 953 16 offer offer VBP 39928 953 17 no no DT 39928 953 18 opinion opinion NN 39928 953 19 , , , 39928 953 20 and and CC 39928 953 21 have have VBP 39928 953 22 no no DT 39928 953 23 belief belief NN 39928 953 24 one one CD 39928 953 25 way way NN 39928 953 26 or or CC 39928 953 27 the the DT 39928 953 28 other other JJ 39928 953 29 . . . 39928 954 1 I -PRON- PRP 39928 954 2 consider consider VBP 39928 954 3 all all DT 39928 954 4 speculations speculation NNS 39928 954 5 as as IN 39928 954 6 to to IN 39928 954 7 what what WP 39928 954 8 may may MD 39928 954 9 or or CC 39928 954 10 may may MD 39928 954 11 not not RB 39928 954 12 exist exist VB 39928 954 13 in in IN 39928 954 14 infinite infinite JJ 39928 954 15 space space NN 39928 954 16 to to TO 39928 954 17 be be VB 39928 954 18 utterly utterly RB 39928 954 19 valueless valueless JJ 39928 954 20 . . . 39928 955 1 I -PRON- PRP 39928 955 2 have have VBP 39928 955 3 limited limit VBN 39928 955 4 my -PRON- PRP$ 39928 955 5 inquiries inquiry NNS 39928 955 6 strictly strictly RB 39928 955 7 to to IN 39928 955 8 the the DT 39928 955 9 evidence evidence NN 39928 955 10 accumulated accumulate VBN 39928 955 11 by by IN 39928 955 12 modern modern JJ 39928 955 13 astronomers astronomer NNS 39928 955 14 , , , 39928 955 15 and and CC 39928 955 16 to to TO 39928 955 17 direct direct VB 39928 955 18 inferences inference NNS 39928 955 19 and and CC 39928 955 20 logical logical JJ 39928 955 21 deductions deduction NNS 39928 955 22 from from IN 39928 955 23 that that DT 39928 955 24 evidence evidence NN 39928 955 25 . . . 39928 956 1 Yet yet RB 39928 956 2 , , , 39928 956 3 to to IN 39928 956 4 my -PRON- PRP$ 39928 956 5 great great JJ 39928 956 6 surprise surprise NN 39928 956 7 , , , 39928 956 8 my -PRON- PRP$ 39928 956 9 chief chief JJ 39928 956 10 critic critic NN 39928 956 11 declares declare VBZ 39928 956 12 that that IN 39928 956 13 ' ' '' 39928 956 14 Dr. Dr. NNP 39928 957 1 Wallace Wallace NNP 39928 957 2 's 's POS 39928 957 3 underlying underlying JJ 39928 957 4 error error NN 39928 957 5 is be VBZ 39928 957 6 , , , 39928 957 7 indeed indeed RB 39928 957 8 , , , 39928 957 9 that that IN 39928 957 10 he -PRON- PRP 39928 957 11 has have VBZ 39928 957 12 reasoned reason VBN 39928 957 13 from from IN 39928 957 14 the the DT 39928 957 15 area area NN 39928 957 16 which which WDT 39928 957 17 we -PRON- PRP 39928 957 18 can can MD 39928 957 19 embrace embrace VB 39928 957 20 with with IN 39928 957 21 our -PRON- PRP$ 39928 957 22 limited limited JJ 39928 957 23 perceptions perception NNS 39928 957 24 to to IN 39928 957 25 the the DT 39928 957 26 infinite infinite NN 39928 957 27 beyond beyond IN 39928 957 28 our -PRON- PRP$ 39928 957 29 mental mental JJ 39928 957 30 or or CC 39928 957 31 intellectual intellectual JJ 39928 957 32 grasp grasp NN 39928 957 33 . . . 39928 957 34 ' ' '' 39928 958 1 I -PRON- PRP 39928 958 2 have have VBP 39928 958 3 distinctly distinctly RB 39928 958 4 _ _ NNP 39928 958 5 not not RB 39928 958 6 _ _ NNP 39928 958 7 done do VBN 39928 958 8 this this DT 39928 958 9 , , , 39928 958 10 but but CC 39928 958 11 many many JJ 39928 958 12 astronomers astronomer NNS 39928 958 13 have have VBP 39928 958 14 done do VBN 39928 958 15 so so RB 39928 958 16 . . . 39928 959 1 The the DT 39928 959 2 late late JJ 39928 959 3 Richard Richard NNP 39928 959 4 Proctor Proctor NNP 39928 959 5 not not RB 39928 959 6 only only RB 39928 959 7 continually continually RB 39928 959 8 discussed discuss VBD 39928 959 9 the the DT 39928 959 10 question question NN 39928 959 11 of of IN 39928 959 12 infinite infinite JJ 39928 959 13 matter matter NN 39928 959 14 as as RB 39928 959 15 well well RB 39928 959 16 as as IN 39928 959 17 infinite infinite JJ 39928 959 18 space space NN 39928 959 19 , , , 39928 959 20 but but CC 39928 959 21 also also RB 39928 959 22 argued argue VBD 39928 959 23 , , , 39928 959 24 from from IN 39928 959 25 the the DT 39928 959 26 supposed suppose VBN 39928 959 27 attributes attribute NNS 39928 959 28 of of IN 39928 959 29 the the DT 39928 959 30 Deity Deity NNP 39928 959 31 , , , 39928 959 32 for for IN 39928 959 33 the the DT 39928 959 34 necessity necessity NN 39928 959 35 of of IN 39928 959 36 holding hold VBG 39928 959 37 this this DT 39928 959 38 material material JJ 39928 959 39 universe universe NN 39928 959 40 to to TO 39928 959 41 be be VB 39928 959 42 infinite infinite JJ 39928 959 43 , , , 39928 959 44 and and CC 39928 959 45 the the DT 39928 959 46 last last JJ 39928 959 47 chapter chapter NN 39928 959 48 of of IN 39928 959 49 his -PRON- PRP$ 39928 959 50 _ _ NNP 39928 959 51 Other other JJ 39928 959 52 Worlds world NNS 39928 959 53 than than IN 39928 959 54 Ours Ours NNP 39928 959 55 _ _ NNP 39928 959 56 is be VBZ 39928 959 57 mainly mainly RB 39928 959 58 devoted devote VBN 39928 959 59 to to IN 39928 959 60 such such JJ 39928 959 61 speculations speculation NNS 39928 959 62 . . . 39928 960 1 In in IN 39928 960 2 a a DT 39928 960 3 later later JJ 39928 960 4 work work NN 39928 960 5 , , , 39928 960 6 _ _ NNP 39928 960 7 Our -PRON- PRP$ 39928 960 8 Place Place NNP 39928 960 9 among among IN 39928 960 10 Infinities Infinities NNPS 39928 960 11 _ _ NNP 39928 960 12 , , , 39928 960 13 he -PRON- PRP 39928 960 14 says say VBZ 39928 960 15 that that IN 39928 960 16 ' ' `` 39928 960 17 the the DT 39928 960 18 teachings teaching NNS 39928 960 19 of of IN 39928 960 20 science science NN 39928 960 21 bring bring VBP 39928 960 22 us -PRON- PRP 39928 960 23 into into IN 39928 960 24 the the DT 39928 960 25 presence presence NN 39928 960 26 of of IN 39928 960 27 the the DT 39928 960 28 unquestionable unquestionable JJ 39928 960 29 infinities infinity NNS 39928 960 30 of of IN 39928 960 31 time time NN 39928 960 32 and and CC 39928 960 33 of of IN 39928 960 34 space space NN 39928 960 35 , , , 39928 960 36 and and CC 39928 960 37 the the DT 39928 960 38 presumable presumable JJ 39928 960 39 infinities infinity NNS 39928 960 40 of of IN 39928 960 41 matter matter NN 39928 960 42 and and CC 39928 960 43 of of IN 39928 960 44 operation operation NN 39928 960 45 -- -- : 39928 960 46 hence hence RB 39928 960 47 therefore therefore RB 39928 960 48 into into IN 39928 960 49 the the DT 39928 960 50 presence presence NN 39928 960 51 of of IN 39928 960 52 infinity infinity NN 39928 960 53 of of IN 39928 960 54 energy energy NN 39928 960 55 . . . 39928 961 1 But but CC 39928 961 2 science science NN 39928 961 3 teaches teach VBZ 39928 961 4 us -PRON- PRP 39928 961 5 nothing nothing NN 39928 961 6 about about IN 39928 961 7 these these DT 39928 961 8 infinities infinity NNS 39928 961 9 as as IN 39928 961 10 such such JJ 39928 961 11 . . . 39928 962 1 They -PRON- PRP 39928 962 2 remain remain VBP 39928 962 3 none none NN 39928 962 4 the the DT 39928 962 5 less less RBR 39928 962 6 inconceivable inconceivable JJ 39928 962 7 , , , 39928 962 8 however however RB 39928 962 9 clearly clearly RB 39928 962 10 we -PRON- PRP 39928 962 11 may may MD 39928 962 12 be be VB 39928 962 13 taught teach VBN 39928 962 14 to to TO 39928 962 15 recognise recognise VB 39928 962 16 their -PRON- PRP$ 39928 962 17 reality reality NN 39928 962 18 . . . 39928 962 19 ' ' '' 39928 963 1 All all DT 39928 963 2 this this DT 39928 963 3 is be VBZ 39928 963 4 very very RB 39928 963 5 reasonable reasonable JJ 39928 963 6 , , , 39928 963 7 and and CC 39928 963 8 the the DT 39928 963 9 last last JJ 39928 963 10 sentence sentence NN 39928 963 11 is be VBZ 39928 963 12 particularly particularly RB 39928 963 13 important important JJ 39928 963 14 . . . 39928 964 1 Nevertheless nevertheless RB 39928 964 2 , , , 39928 964 3 many many JJ 39928 964 4 writers writer NNS 39928 964 5 allow allow VBP 39928 964 6 their -PRON- PRP$ 39928 964 7 reasonings reasoning NNS 39928 964 8 from from IN 39928 964 9 facts fact NNS 39928 964 10 to to TO 39928 964 11 be be VB 39928 964 12 influenced influence VBN 39928 964 13 by by IN 39928 964 14 these these DT 39928 964 15 ideas idea NNS 39928 964 16 of of IN 39928 964 17 infinity infinity NN 39928 964 18 . . . 39928 965 1 In in IN 39928 965 2 Proctor Proctor NNP 39928 965 3 's 's POS 39928 965 4 posthumous posthumous JJ 39928 965 5 work work NN 39928 965 6 , , , 39928 965 7 _ _ NNP 39928 965 8 Old Old NNP 39928 965 9 and and CC 39928 965 10 New New NNP 39928 965 11 Astronomy Astronomy NNP 39928 965 12 _ _ NNP 39928 965 13 , , , 39928 965 14 the the DT 39928 965 15 late late JJ 39928 965 16 Mr. Mr. NNP 39928 965 17 Ranyard Ranyard NNP 39928 965 18 , , , 39928 965 19 who who WP 39928 965 20 edited edit VBD 39928 965 21 it -PRON- PRP 39928 965 22 , , , 39928 965 23 writes write VBZ 39928 965 24 : : : 39928 965 25 ' ' `` 39928 965 26 If if IN 39928 965 27 we -PRON- PRP 39928 965 28 reject reject VBP 39928 965 29 as as IN 39928 965 30 abhorrent abhorrent NN 39928 965 31 to to IN 39928 965 32 our -PRON- PRP$ 39928 965 33 minds mind NNS 39928 965 34 the the DT 39928 965 35 supposition supposition NN 39928 965 36 that that IN 39928 965 37 the the DT 39928 965 38 universe universe NN 39928 965 39 is be VBZ 39928 965 40 not not RB 39928 965 41 infinite infinite JJ 39928 965 42 , , , 39928 965 43 we -PRON- PRP 39928 965 44 are be VBP 39928 965 45 thrown throw VBN 39928 965 46 back back RB 39928 965 47 on on IN 39928 965 48 one one CD 39928 965 49 of of IN 39928 965 50 two two CD 39928 965 51 alternatives alternative NNS 39928 965 52 -- -- : 39928 965 53 either either CC 39928 965 54 the the DT 39928 965 55 ether ether NN 39928 965 56 which which WDT 39928 965 57 transmits transmit VBZ 39928 965 58 the the DT 39928 965 59 light light NN 39928 965 60 of of IN 39928 965 61 the the DT 39928 965 62 stars star NNS 39928 965 63 to to IN 39928 965 64 us -PRON- PRP 39928 965 65 is be VBZ 39928 965 66 not not RB 39928 965 67 perfectly perfectly RB 39928 965 68 elastic elastic JJ 39928 965 69 , , , 39928 965 70 or or CC 39928 965 71 a a DT 39928 965 72 large large JJ 39928 965 73 proportion proportion NN 39928 965 74 of of IN 39928 965 75 the the DT 39928 965 76 light light NN 39928 965 77 of of IN 39928 965 78 the the DT 39928 965 79 stars star NNS 39928 965 80 is be VBZ 39928 965 81 obliterated obliterate VBN 39928 965 82 by by IN 39928 965 83 dark dark JJ 39928 965 84 bodies body NNS 39928 965 85 . . . 39928 965 86 ' ' '' 39928 966 1 Here here RB 39928 966 2 we -PRON- PRP 39928 966 3 have have VBP 39928 966 4 a a DT 39928 966 5 well well RB 39928 966 6 - - HYPH 39928 966 7 informed inform VBN 39928 966 8 astronomer astronomer NN 39928 966 9 allowing allow VBG 39928 966 10 his -PRON- PRP$ 39928 966 11 abhorrence abhorrence NN 39928 966 12 of of IN 39928 966 13 the the DT 39928 966 14 idea idea NN 39928 966 15 of of IN 39928 966 16 a a DT 39928 966 17 finite finite JJ 39928 966 18 universe universe NN 39928 966 19 to to TO 39928 966 20 affect affect VB 39928 966 21 his -PRON- PRP$ 39928 966 22 reasoning reasoning NN 39928 966 23 on on IN 39928 966 24 the the DT 39928 966 25 actual actual JJ 39928 966 26 phenomena phenomena NN 39928 966 27 we -PRON- PRP 39928 966 28 can can MD 39928 966 29 observe observe VB 39928 966 30 -- -- : 39928 966 31 doing do VBG 39928 966 32 in in IN 39928 966 33 fact fact NN 39928 966 34 exactly exactly RB 39928 966 35 what what WP 39928 966 36 my -PRON- PRP$ 39928 966 37 critic critic NN 39928 966 38 erroneously erroneously RB 39928 966 39 accuses accuse VBZ 39928 966 40 me -PRON- PRP 39928 966 41 of of IN 39928 966 42 doing do VBG 39928 966 43 . . . 39928 967 1 But but CC 39928 967 2 setting set VBG 39928 967 3 aside aside RB 39928 967 4 all all DT 39928 967 5 ideas idea NNS 39928 967 6 and and CC 39928 967 7 prepossessions prepossession NNS 39928 967 8 of of IN 39928 967 9 the the DT 39928 967 10 kind kind NN 39928 967 11 here here RB 39928 967 12 indicated indicate VBD 39928 967 13 , , , 39928 967 14 let let VB 39928 967 15 us -PRON- PRP 39928 967 16 see see VB 39928 967 17 what what WP 39928 967 18 are be VBP 39928 967 19 the the DT 39928 967 20 actual actual JJ 39928 967 21 facts fact NNS 39928 967 22 revealed reveal VBN 39928 967 23 by by IN 39928 967 24 the the DT 39928 967 25 best good JJS 39928 967 26 instruments instrument NNS 39928 967 27 of of IN 39928 967 28 modern modern JJ 39928 967 29 astronomy astronomy NN 39928 967 30 , , , 39928 967 31 and and CC 39928 967 32 what what WP 39928 967 33 are be VBP 39928 967 34 the the DT 39928 967 35 natural natural JJ 39928 967 36 and and CC 39928 967 37 logical logical JJ 39928 967 38 inferences inference NNS 39928 967 39 from from IN 39928 967 40 those those DT 39928 967 41 facts fact NNS 39928 967 42 . . . 39928 968 1 ARE are VBP 39928 968 2 THE the DT 39928 968 3 STARS star NNS 39928 968 4 INFINITE INFINITE NNS 39928 968 5 IN in IN 39928 968 6 NUMBER number NN 39928 968 7 ? ? . 39928 969 1 The the DT 39928 969 2 views view NNS 39928 969 3 of of IN 39928 969 4 those those DT 39928 969 5 astronomers astronomer NNS 39928 969 6 who who WP 39928 969 7 have have VBP 39928 969 8 paid pay VBN 39928 969 9 attention attention NN 39928 969 10 to to IN 39928 969 11 this this DT 39928 969 12 subject subject NN 39928 969 13 are be VBP 39928 969 14 , , , 39928 969 15 on on IN 39928 969 16 the the DT 39928 969 17 whole whole NN 39928 969 18 , , , 39928 969 19 in in IN 39928 969 20 favour favour NN 39928 969 21 of of IN 39928 969 22 the the DT 39928 969 23 view view NN 39928 969 24 that that IN 39928 969 25 the the DT 39928 969 26 stellar stellar JJ 39928 969 27 universe universe NN 39928 969 28 is be VBZ 39928 969 29 limited limit VBN 39928 969 30 in in IN 39928 969 31 extent extent NN 39928 969 32 and and CC 39928 969 33 the the DT 39928 969 34 stars star NNS 39928 969 35 therefore therefore RB 39928 969 36 limited limited JJ 39928 969 37 in in IN 39928 969 38 number number NN 39928 969 39 . . . 39928 970 1 A a DT 39928 970 2 few few JJ 39928 970 3 quotations quotation NNS 39928 970 4 will will MD 39928 970 5 best well RBS 39928 970 6 exhibit exhibit VB 39928 970 7 their -PRON- PRP$ 39928 970 8 opinions opinion NNS 39928 970 9 on on IN 39928 970 10 this this DT 39928 970 11 question question NN 39928 970 12 , , , 39928 970 13 with with IN 39928 970 14 some some DT 39928 970 15 of of IN 39928 970 16 the the DT 39928 970 17 facts fact NNS 39928 970 18 and and CC 39928 970 19 observations observation NNS 39928 970 20 on on IN 39928 970 21 which which WDT 39928 970 22 they -PRON- PRP 39928 970 23 are be VBP 39928 970 24 founded found VBN 39928 970 25 . . . 39928 971 1 Miss Miss NNP 39928 971 2 A.M. A.M. NNP 39928 971 3 Clerke Clerke NNP 39928 971 4 , , , 39928 971 5 in in IN 39928 971 6 her -PRON- PRP$ 39928 971 7 admirable admirable JJ 39928 971 8 volume volume NN 39928 971 9 , , , 39928 971 10 _ _ NNP 39928 971 11 The the DT 39928 971 12 System System NNP 39928 971 13 of of IN 39928 971 14 the the DT 39928 971 15 Stars Stars NNPS 39928 971 16 _ _ NNP 39928 971 17 , , , 39928 971 18 says say VBZ 39928 971 19 : : : 39928 971 20 ' ' `` 39928 971 21 The the DT 39928 971 22 sidereal sidereal JJ 39928 971 23 world world NN 39928 971 24 presents present VBZ 39928 971 25 us -PRON- PRP 39928 971 26 , , , 39928 971 27 to to IN 39928 971 28 all all DT 39928 971 29 appearance appearance NN 39928 971 30 , , , 39928 971 31 with with IN 39928 971 32 a a DT 39928 971 33 finite finite JJ 39928 971 34 system system NN 39928 971 35 .... .... . 39928 972 1 The the DT 39928 972 2 probability probability NN 39928 972 3 amounts amount VBZ 39928 972 4 almost almost RB 39928 972 5 to to TO 39928 972 6 certainty certainty VB 39928 972 7 that that IN 39928 972 8 star star NN 39928 972 9 - - HYPH 39928 972 10 strewn strew VBN 39928 972 11 space space NN 39928 972 12 is be VBZ 39928 972 13 of of IN 39928 972 14 measurable measurable JJ 39928 972 15 dimensions dimension NNS 39928 972 16 . . . 39928 973 1 For for IN 39928 973 2 from from IN 39928 973 3 innumerable innumerable JJ 39928 973 4 stars star NNS 39928 973 5 a a DT 39928 973 6 limitless limitless JJ 39928 973 7 sum sum NN 39928 973 8 - - HYPH 39928 973 9 total total NN 39928 973 10 of of IN 39928 973 11 radiations radiation NNS 39928 973 12 should should MD 39928 973 13 be be VB 39928 973 14 derived derive VBN 39928 973 15 , , , 39928 973 16 by by IN 39928 973 17 which which WDT 39928 973 18 darkness darkness NN 39928 973 19 would would MD 39928 973 20 be be VB 39928 973 21 banished banish VBN 39928 973 22 from from IN 39928 973 23 our -PRON- PRP$ 39928 973 24 skies sky NNS 39928 973 25 ; ; : 39928 973 26 and and CC 39928 973 27 the the DT 39928 973 28 " " `` 39928 973 29 intense intense JJ 39928 973 30 inane inane NN 39928 973 31 , , , 39928 973 32 " " '' 39928 973 33 glowing glow VBG 39928 973 34 with with IN 39928 973 35 the the DT 39928 973 36 mingled mingled JJ 39928 973 37 beams beam NNS 39928 973 38 of of IN 39928 973 39 suns suns NNPS 39928 973 40 individually individually RB 39928 973 41 indistinguishable indistinguishable JJ 39928 973 42 , , , 39928 973 43 would would MD 39928 973 44 bewilder bewilder VB 39928 973 45 our -PRON- PRP$ 39928 973 46 feeble feeble JJ 39928 973 47 senses sense NNS 39928 973 48 with with IN 39928 973 49 its -PRON- PRP$ 39928 973 50 monotonous monotonous JJ 39928 973 51 splendour splendour NN 39928 973 52 .... .... . 39928 974 1 Unless unless IN 39928 974 2 , , , 39928 974 3 that that DT 39928 974 4 is be VBZ 39928 974 5 to to TO 39928 974 6 say say VB 39928 974 7 , , , 39928 974 8 light light NN 39928 974 9 suffer suffer VBP 39928 974 10 some some DT 39928 974 11 degree degree NN 39928 974 12 of of IN 39928 974 13 enfeeblement enfeeblement NN 39928 974 14 in in IN 39928 974 15 space space NN 39928 974 16 .... .... . 39928 975 1 But but CC 39928 975 2 there there EX 39928 975 3 is be VBZ 39928 975 4 not not RB 39928 975 5 a a DT 39928 975 6 particle particle NN 39928 975 7 of of IN 39928 975 8 evidence evidence NN 39928 975 9 that that IN 39928 975 10 any any DT 39928 975 11 such such JJ 39928 975 12 toll toll NN 39928 975 13 is be VBZ 39928 975 14 exacted exact VBN 39928 975 15 ; ; : 39928 975 16 contrary contrary JJ 39928 975 17 indications indication NNS 39928 975 18 are be VBP 39928 975 19 strong strong JJ 39928 975 20 ; ; : 39928 975 21 and and CC 39928 975 22 the the DT 39928 975 23 assertion assertion NN 39928 975 24 that that IN 39928 975 25 its -PRON- PRP$ 39928 975 26 payment payment NN 39928 975 27 is be VBZ 39928 975 28 inevitable inevitable JJ 39928 975 29 depends depend VBZ 39928 975 30 upon upon IN 39928 975 31 analogies analogy NNS 39928 975 32 which which WDT 39928 975 33 may may MD 39928 975 34 be be VB 39928 975 35 wholly wholly RB 39928 975 36 visionary visionary JJ 39928 975 37 . . . 39928 976 1 We -PRON- PRP 39928 976 2 are be VBP 39928 976 3 then then RB 39928 976 4 , , , 39928 976 5 for for IN 39928 976 6 the the DT 39928 976 7 present present NN 39928 976 8 , , , 39928 976 9 entitled entitle VBN 39928 976 10 to to TO 39928 976 11 disregard disregard VB 39928 976 12 the the DT 39928 976 13 problematical problematical JJ 39928 976 14 effect effect NN 39928 976 15 of of IN 39928 976 16 a a DT 39928 976 17 more more RBR 39928 976 18 than than IN 39928 976 19 dubious dubious JJ 39928 976 20 cause cause NN 39928 976 21 . . . 39928 976 22 ' ' '' 39928 977 1 Professor Professor NNP 39928 977 2 Simon Simon NNP 39928 977 3 Newcomb Newcomb NNP 39928 977 4 , , , 39928 977 5 one one CD 39928 977 6 of of IN 39928 977 7 the the DT 39928 977 8 first first JJ 39928 977 9 of of IN 39928 977 10 American american JJ 39928 977 11 mathematicians mathematician NNS 39928 977 12 and and CC 39928 977 13 astronomers astronomer NNS 39928 977 14 , , , 39928 977 15 arrives arrive VBZ 39928 977 16 at at IN 39928 977 17 a a DT 39928 977 18 similar similar JJ 39928 977 19 conclusion conclusion NN 39928 977 20 in in IN 39928 977 21 his -PRON- PRP$ 39928 977 22 most most RBS 39928 977 23 recent recent JJ 39928 977 24 volume volume NN 39928 977 25 , , , 39928 977 26 _ _ NNP 39928 977 27 The the DT 39928 977 28 Stars Stars NNPS 39928 977 29 _ _ NNP 39928 977 30 ( ( -LRB- 39928 977 31 1902 1902 CD 39928 977 32 ) ) -RRB- 39928 977 33 . . . 39928 978 1 He -PRON- PRP 39928 978 2 says say VBZ 39928 978 3 , , , 39928 978 4 in in IN 39928 978 5 his -PRON- PRP$ 39928 978 6 conclusions conclusion NNS 39928 978 7 at at IN 39928 978 8 the the DT 39928 978 9 end end NN 39928 978 10 of of IN 39928 978 11 the the DT 39928 978 12 work work NN 39928 978 13 : : : 39928 978 14 ' ' '' 39928 978 15 That that DT 39928 978 16 collection collection NN 39928 978 17 of of IN 39928 978 18 stars star NNS 39928 978 19 which which WDT 39928 978 20 we -PRON- PRP 39928 978 21 call call VBP 39928 978 22 the the DT 39928 978 23 universe universe NN 39928 978 24 is be VBZ 39928 978 25 limited limit VBN 39928 978 26 in in IN 39928 978 27 extent extent NN 39928 978 28 . . . 39928 979 1 The the DT 39928 979 2 smallest small JJS 39928 979 3 stars star NNS 39928 979 4 that that WDT 39928 979 5 we -PRON- PRP 39928 979 6 see see VBP 39928 979 7 with with IN 39928 979 8 the the DT 39928 979 9 most most RBS 39928 979 10 powerful powerful JJ 39928 979 11 telescopes telescope NNS 39928 979 12 are be VBP 39928 979 13 not not RB 39928 979 14 , , , 39928 979 15 for for IN 39928 979 16 the the DT 39928 979 17 most most JJS 39928 979 18 part part NN 39928 979 19 , , , 39928 979 20 more more RBR 39928 979 21 distant distant JJ 39928 979 22 than than IN 39928 979 23 those those DT 39928 979 24 a a DT 39928 979 25 grade grade NN 39928 979 26 brighter bright JJR 39928 979 27 , , , 39928 979 28 but but CC 39928 979 29 are be VBP 39928 979 30 mostly mostly RB 39928 979 31 stars star NNS 39928 979 32 of of IN 39928 979 33 less less JJR 39928 979 34 luminosity luminosity NN 39928 979 35 situate situate NN 39928 979 36 in in IN 39928 979 37 the the DT 39928 979 38 same same JJ 39928 979 39 regions region NNS 39928 979 40 ' ' POS 39928 979 41 ( ( -LRB- 39928 979 42 p. p. NN 39928 979 43 319 319 CD 39928 979 44 ) ) -RRB- 39928 979 45 . . . 39928 980 1 And and CC 39928 980 2 on on IN 39928 980 3 page page NN 39928 980 4 229 229 CD 39928 980 5 of of IN 39928 980 6 the the DT 39928 980 7 same same JJ 39928 980 8 work work NN 39928 980 9 he -PRON- PRP 39928 980 10 gives give VBZ 39928 980 11 reasons reason NNS 39928 980 12 for for IN 39928 980 13 this this DT 39928 980 14 conclusion conclusion NN 39928 980 15 , , , 39928 980 16 as as IN 39928 980 17 follows follow VBZ 39928 980 18 : : : 39928 980 19 ' ' `` 39928 980 20 There there EX 39928 980 21 is be VBZ 39928 980 22 a a DT 39928 980 23 law law NN 39928 980 24 of of IN 39928 980 25 optics optic NNS 39928 980 26 which which WDT 39928 980 27 throws throw VBZ 39928 980 28 some some DT 39928 980 29 light light NN 39928 980 30 on on IN 39928 980 31 the the DT 39928 980 32 question question NN 39928 980 33 . . . 39928 981 1 Suppose suppose VB 39928 981 2 the the DT 39928 981 3 stars star NNS 39928 981 4 to to TO 39928 981 5 be be VB 39928 981 6 scattered scatter VBN 39928 981 7 through through IN 39928 981 8 infinite infinite JJ 39928 981 9 space space NN 39928 981 10 so so IN 39928 981 11 that that IN 39928 981 12 every every DT 39928 981 13 great great JJ 39928 981 14 portion portion NN 39928 981 15 of of IN 39928 981 16 space space NN 39928 981 17 is be VBZ 39928 981 18 , , , 39928 981 19 in in IN 39928 981 20 the the DT 39928 981 21 general general JJ 39928 981 22 average average NN 39928 981 23 , , , 39928 981 24 equally equally RB 39928 981 25 rich rich JJ 39928 981 26 in in IN 39928 981 27 stars star NNS 39928 981 28 . . . 39928 982 1 Then then RB 39928 982 2 at at IN 39928 982 3 some some DT 39928 982 4 great great JJ 39928 982 5 distance distance NN 39928 982 6 we -PRON- PRP 39928 982 7 describe describe VBP 39928 982 8 a a DT 39928 982 9 sphere sphere NN 39928 982 10 having have VBG 39928 982 11 its -PRON- PRP$ 39928 982 12 centre centre NN 39928 982 13 in in IN 39928 982 14 our -PRON- PRP$ 39928 982 15 sun sun NN 39928 982 16 . . . 39928 983 1 Outside outside IN 39928 983 2 this this DT 39928 983 3 sphere sphere NN 39928 983 4 describe describe VBP 39928 983 5 another another DT 39928 983 6 one one CD 39928 983 7 of of IN 39928 983 8 a a DT 39928 983 9 greater great JJR 39928 983 10 radius radius NN 39928 983 11 , , , 39928 983 12 and and CC 39928 983 13 beyond beyond IN 39928 983 14 this this DT 39928 983 15 other other JJ 39928 983 16 spheres sphere NNS 39928 983 17 at at IN 39928 983 18 equal equal JJ 39928 983 19 distances distance NNS 39928 983 20 apart apart RB 39928 983 21 indefinitely indefinitely RB 39928 983 22 . . . 39928 984 1 Thus thus RB 39928 984 2 we -PRON- PRP 39928 984 3 shall shall MD 39928 984 4 have have VB 39928 984 5 an an DT 39928 984 6 endless endless JJ 39928 984 7 succession succession NN 39928 984 8 of of IN 39928 984 9 spherical spherical JJ 39928 984 10 shells shell NNS 39928 984 11 , , , 39928 984 12 each each DT 39928 984 13 of of IN 39928 984 14 the the DT 39928 984 15 same same JJ 39928 984 16 thickness thickness NN 39928 984 17 . . . 39928 985 1 The the DT 39928 985 2 volume volume NN 39928 985 3 of of IN 39928 985 4 each each DT 39928 985 5 of of IN 39928 985 6 these these DT 39928 985 7 shells shell NNS 39928 985 8 will will MD 39928 985 9 be be VB 39928 985 10 nearly nearly RB 39928 985 11 proportional proportional JJ 39928 985 12 to to IN 39928 985 13 the the DT 39928 985 14 squares square NNS 39928 985 15 of of IN 39928 985 16 the the DT 39928 985 17 diameters diameter NNS 39928 985 18 of of IN 39928 985 19 the the DT 39928 985 20 spheres sphere NNS 39928 985 21 which which WDT 39928 985 22 bound bind VBD 39928 985 23 it -PRON- PRP 39928 985 24 . . . 39928 986 1 Hence hence RB 39928 986 2 each each DT 39928 986 3 of of IN 39928 986 4 the the DT 39928 986 5 regions region NNS 39928 986 6 will will MD 39928 986 7 contain contain VB 39928 986 8 a a DT 39928 986 9 number number NN 39928 986 10 of of IN 39928 986 11 stars star NNS 39928 986 12 increasing increase VBG 39928 986 13 as as IN 39928 986 14 the the DT 39928 986 15 square square NN 39928 986 16 of of IN 39928 986 17 the the DT 39928 986 18 radius radius NN 39928 986 19 of of IN 39928 986 20 the the DT 39928 986 21 region region NN 39928 986 22 . . . 39928 987 1 Since since IN 39928 987 2 the the DT 39928 987 3 amount amount NN 39928 987 4 of of IN 39928 987 5 light light NN 39928 987 6 we -PRON- PRP 39928 987 7 receive receive VBP 39928 987 8 from from IN 39928 987 9 each each DT 39928 987 10 star star NN 39928 987 11 is be VBZ 39928 987 12 as as IN 39928 987 13 the the DT 39928 987 14 inverse inverse NN 39928 987 15 square square NN 39928 987 16 of of IN 39928 987 17 its -PRON- PRP$ 39928 987 18 distance distance NN 39928 987 19 , , , 39928 987 20 it -PRON- PRP 39928 987 21 follows follow VBZ 39928 987 22 that that IN 39928 987 23 the the DT 39928 987 24 sum sum NN 39928 987 25 total total NN 39928 987 26 of of IN 39928 987 27 the the DT 39928 987 28 light light NN 39928 987 29 received receive VBN 39928 987 30 from from IN 39928 987 31 each each DT 39928 987 32 of of IN 39928 987 33 these these DT 39928 987 34 spherical spherical JJ 39928 987 35 shells shell NNS 39928 987 36 will will MD 39928 987 37 be be VB 39928 987 38 equal equal JJ 39928 987 39 . . . 39928 988 1 Thus thus RB 39928 988 2 as as IN 39928 988 3 we -PRON- PRP 39928 988 4 add add VBP 39928 988 5 sphere sphere RB 39928 988 6 after after IN 39928 988 7 sphere sphere RB 39928 988 8 we -PRON- PRP 39928 988 9 add add VBP 39928 988 10 equal equal JJ 39928 988 11 amounts amount NNS 39928 988 12 of of IN 39928 988 13 light light NN 39928 988 14 without without IN 39928 988 15 limit limit NN 39928 988 16 . . . 39928 989 1 The the DT 39928 989 2 result result NN 39928 989 3 would would MD 39928 989 4 be be VB 39928 989 5 that that IN 39928 989 6 if if IN 39928 989 7 the the DT 39928 989 8 system system NN 39928 989 9 of of IN 39928 989 10 stars star NNS 39928 989 11 extended extend VBN 39928 989 12 out out RP 39928 989 13 indefinitely indefinitely RB 39928 989 14 the the DT 39928 989 15 whole whole JJ 39928 989 16 heavens heaven NNS 39928 989 17 would would MD 39928 989 18 be be VB 39928 989 19 filled fill VBN 39928 989 20 with with IN 39928 989 21 a a DT 39928 989 22 blaze blaze NN 39928 989 23 of of IN 39928 989 24 light light NN 39928 989 25 as as RB 39928 989 26 bright bright JJ 39928 989 27 as as IN 39928 989 28 the the DT 39928 989 29 sun sun NN 39928 989 30 . . . 39928 989 31 ' ' '' 39928 990 1 But but CC 39928 990 2 the the DT 39928 990 3 whole whole JJ 39928 990 4 light light NN 39928 990 5 given give VBN 39928 990 6 us -PRON- PRP 39928 990 7 by by IN 39928 990 8 the the DT 39928 990 9 stars star NNS 39928 990 10 is be VBZ 39928 990 11 variously variously RB 39928 990 12 estimated estimate VBN 39928 990 13 at at IN 39928 990 14 from from IN 39928 990 15 one one CD 39928 990 16 - - HYPH 39928 990 17 fortieth fortieth NN 39928 990 18 to to IN 39928 990 19 one one CD 39928 990 20 - - HYPH 39928 990 21 twentieth twentieth JJ 39928 990 22 or or CC 39928 990 23 , , , 39928 990 24 as as IN 39928 990 25 an an DT 39928 990 26 extreme extreme JJ 39928 990 27 limit limit NN 39928 990 28 , , , 39928 990 29 to to IN 39928 990 30 one one CD 39928 990 31 - - HYPH 39928 990 32 tenth tenth NN 39928 990 33 of of IN 39928 990 34 moonlight moonlight NN 39928 990 35 , , , 39928 990 36 while while IN 39928 990 37 the the DT 39928 990 38 sun sun NN 39928 990 39 gives give VBZ 39928 990 40 as as RB 39928 990 41 much much JJ 39928 990 42 light light NN 39928 990 43 as as IN 39928 990 44 300,000 300,000 CD 39928 990 45 full full JJ 39928 990 46 moons moon NNS 39928 990 47 , , , 39928 990 48 so so IN 39928 990 49 that that DT 39928 990 50 starlight starlight NN 39928 990 51 is be VBZ 39928 990 52 only only RB 39928 990 53 equivalent equivalent JJ 39928 990 54 at at IN 39928 990 55 a a DT 39928 990 56 fair fair JJ 39928 990 57 estimate estimate NN 39928 990 58 to to IN 39928 990 59 the the DT 39928 990 60 six six CD 39928 990 61 - - HYPH 39928 990 62 millionth millionth NN 39928 990 63 part part NN 39928 990 64 of of IN 39928 990 65 sunlight sunlight NN 39928 990 66 . . . 39928 991 1 Keeping keep VBG 39928 991 2 this this DT 39928 991 3 in in IN 39928 991 4 mind mind NN 39928 991 5 , , , 39928 991 6 the the DT 39928 991 7 possible possible JJ 39928 991 8 causes cause NNS 39928 991 9 of of IN 39928 991 10 the the DT 39928 991 11 extinction extinction NN 39928 991 12 of of IN 39928 991 13 almost almost RB 39928 991 14 the the DT 39928 991 15 whole whole NN 39928 991 16 of of IN 39928 991 17 the the DT 39928 991 18 light light NN 39928 991 19 of of IN 39928 991 20 the the DT 39928 991 21 stars star NNS 39928 991 22 ( ( -LRB- 39928 991 23 if if IN 39928 991 24 they -PRON- PRP 39928 991 25 are be VBP 39928 991 26 infinite infinite JJ 39928 991 27 in in IN 39928 991 28 number number NN 39928 991 29 and and CC 39928 991 30 distributed distribute VBN 39928 991 31 , , , 39928 991 32 on on IN 39928 991 33 the the DT 39928 991 34 average average NN 39928 991 35 , , , 39928 991 36 as as RB 39928 991 37 thickly thickly RB 39928 991 38 beyond beyond IN 39928 991 39 the the DT 39928 991 40 Milky Milky NNP 39928 991 41 Way Way NNP 39928 991 42 as as IN 39928 991 43 they -PRON- PRP 39928 991 44 are be VBP 39928 991 45 up up IN 39928 991 46 to to IN 39928 991 47 its -PRON- PRP$ 39928 991 48 outer outer JJ 39928 991 49 boundary boundary NN 39928 991 50 ) ) -RRB- 39928 991 51 are be VBP 39928 991 52 absurdly absurdly RB 39928 991 53 inadequate inadequate JJ 39928 991 54 . . . 39928 992 1 These these DT 39928 992 2 causes cause NNS 39928 992 3 are be VBP 39928 992 4 ( ( -LRB- 39928 992 5 1 1 LS 39928 992 6 ) ) -RRB- 39928 992 7 the the DT 39928 992 8 loss loss NN 39928 992 9 of of IN 39928 992 10 light light NN 39928 992 11 in in IN 39928 992 12 passing pass VBG 39928 992 13 through through IN 39928 992 14 the the DT 39928 992 15 ether ether NN 39928 992 16 , , , 39928 992 17 and and CC 39928 992 18 ( ( -LRB- 39928 992 19 2 2 LS 39928 992 20 ) ) -RRB- 39928 992 21 the the DT 39928 992 22 stoppage stoppage NN 39928 992 23 of of IN 39928 992 24 light light NN 39928 992 25 by by IN 39928 992 26 dark dark JJ 39928 992 27 stars star NNS 39928 992 28 or or CC 39928 992 29 diffused diffuse VBN 39928 992 30 meteoritic meteoritic JJ 39928 992 31 dust dust NN 39928 992 32 . . . 39928 993 1 As as IN 39928 993 2 to to IN 39928 993 3 the the DT 39928 993 4 first first JJ 39928 993 5 , , , 39928 993 6 it -PRON- PRP 39928 993 7 is be VBZ 39928 993 8 generally generally RB 39928 993 9 admitted admit VBN 39928 993 10 that that IN 39928 993 11 there there EX 39928 993 12 is be VBZ 39928 993 13 not not RB 39928 993 14 a a DT 39928 993 15 particle particle NN 39928 993 16 of of IN 39928 993 17 evidence evidence NN 39928 993 18 of of IN 39928 993 19 its -PRON- PRP$ 39928 993 20 existence existence NN 39928 993 21 . . . 39928 994 1 There there EX 39928 994 2 is be VBZ 39928 994 3 , , , 39928 994 4 however however RB 39928 994 5 , , , 39928 994 6 some some DT 39928 994 7 distinct distinct JJ 39928 994 8 evidence evidence NN 39928 994 9 that that IN 39928 994 10 , , , 39928 994 11 if if IN 39928 994 12 it -PRON- PRP 39928 994 13 exists exist VBZ 39928 994 14 , , , 39928 994 15 it -PRON- PRP 39928 994 16 is be VBZ 39928 994 17 so so RB 39928 994 18 very very RB 39928 994 19 small small JJ 39928 994 20 in in IN 39928 994 21 amount amount NN 39928 994 22 that that IN 39928 994 23 it -PRON- PRP 39928 994 24 would would MD 39928 994 25 not not RB 39928 994 26 produce produce VB 39928 994 27 a a DT 39928 994 28 perceptible perceptible JJ 39928 994 29 effect effect NN 39928 994 30 for for IN 39928 994 31 any any DT 39928 994 32 distances distance NNS 39928 994 33 less less RBR 39928 994 34 remote remote JJ 39928 994 35 than than IN 39928 994 36 hundreds hundred NNS 39928 994 37 or or CC 39928 994 38 perhaps perhaps RB 39928 994 39 thousands thousand NNS 39928 994 40 of of IN 39928 994 41 times time NNS 39928 994 42 as as RB 39928 994 43 far far RB 39928 994 44 as as IN 39928 994 45 the the DT 39928 994 46 farthest farth JJS 39928 994 47 limits limit NNS 39928 994 48 of of IN 39928 994 49 the the DT 39928 994 50 Milky Milky NNP 39928 994 51 Way Way NNP 39928 994 52 are be VBP 39928 994 53 from from IN 39928 994 54 us -PRON- PRP 39928 994 55 . . . 39928 995 1 This this DT 39928 995 2 is be VBZ 39928 995 3 indicated indicate VBN 39928 995 4 by by IN 39928 995 5 the the DT 39928 995 6 fact fact NN 39928 995 7 that that IN 39928 995 8 the the DT 39928 995 9 brightest bright JJS 39928 995 10 stars star NNS 39928 995 11 are be VBP 39928 995 12 _ _ NNP 39928 995 13 not not RB 39928 995 14 _ _ NNP 39928 995 15 always always RB 39928 995 16 , , , 39928 995 17 or or CC 39928 995 18 even even RB 39928 995 19 generally generally RB 39928 995 20 , , , 39928 995 21 the the DT 39928 995 22 nearest near JJS 39928 995 23 to to IN 39928 995 24 us -PRON- PRP 39928 995 25 , , , 39928 995 26 as as IN 39928 995 27 is be VBZ 39928 995 28 shown show VBN 39928 995 29 both both CC 39928 995 30 by by IN 39928 995 31 their -PRON- PRP$ 39928 995 32 small small JJ 39928 995 33 proper proper JJ 39928 995 34 motions motion NNS 39928 995 35 and and CC 39928 995 36 the the DT 39928 995 37 absence absence NN 39928 995 38 of of IN 39928 995 39 measurable measurable JJ 39928 995 40 parallax parallax NN 39928 995 41 . . . 39928 996 1 Mr. Mr. NNP 39928 996 2 Gore Gore NNP 39928 996 3 states state VBZ 39928 996 4 that that IN 39928 996 5 out out IN 39928 996 6 of of IN 39928 996 7 twenty twenty CD 39928 996 8 - - HYPH 39928 996 9 five five CD 39928 996 10 stars star NNS 39928 996 11 , , , 39928 996 12 with with IN 39928 996 13 proper proper JJ 39928 996 14 motions motion NNS 39928 996 15 of of IN 39928 996 16 more more JJR 39928 996 17 than than IN 39928 996 18 two two CD 39928 996 19 seconds second NNS 39928 996 20 annually annually RB 39928 996 21 , , , 39928 996 22 only only RB 39928 996 23 two two CD 39928 996 24 are be VBP 39928 996 25 above above IN 39928 996 26 the the DT 39928 996 27 third third JJ 39928 996 28 magnitude magnitude NN 39928 996 29 . . . 39928 997 1 Many many JJ 39928 997 2 first first JJ 39928 997 3 magnitude magnitude NN 39928 997 4 stars star NNS 39928 997 5 , , , 39928 997 6 including include VBG 39928 997 7 Canopus Canopus NNP 39928 997 8 , , , 39928 997 9 the the DT 39928 997 10 second second JJ 39928 997 11 brightest bright JJS 39928 997 12 star star NN 39928 997 13 in in IN 39928 997 14 the the DT 39928 997 15 heavens heavens NNPS 39928 997 16 , , , 39928 997 17 are be VBP 39928 997 18 so so RB 39928 997 19 remote remote JJ 39928 997 20 that that IN 39928 997 21 no no DT 39928 997 22 parallax parallax NN 39928 997 23 can can MD 39928 997 24 be be VB 39928 997 25 found find VBN 39928 997 26 , , , 39928 997 27 notwithstanding notwithstanding IN 39928 997 28 repeated repeat VBN 39928 997 29 efforts effort NNS 39928 997 30 . . . 39928 998 1 They -PRON- PRP 39928 998 2 must must MD 39928 998 3 therefore therefore RB 39928 998 4 be be VB 39928 998 5 much much RB 39928 998 6 farther farth JJR 39928 998 7 off off RB 39928 998 8 than than IN 39928 998 9 many many JJ 39928 998 10 small small JJ 39928 998 11 and and CC 39928 998 12 telescopic telescopic JJ 39928 998 13 stars star NNS 39928 998 14 , , , 39928 998 15 and and CC 39928 998 16 perhaps perhaps RB 39928 998 17 as as RB 39928 998 18 far far RB 39928 998 19 as as IN 39928 998 20 the the DT 39928 998 21 Milky Milky NNP 39928 998 22 Way Way NNP 39928 998 23 , , , 39928 998 24 in in IN 39928 998 25 which which WDT 39928 998 26 so so RB 39928 998 27 many many JJ 39928 998 28 brilliant brilliant JJ 39928 998 29 stars star NNS 39928 998 30 are be VBP 39928 998 31 found find VBN 39928 998 32 ; ; : 39928 998 33 whereas whereas IN 39928 998 34 if if IN 39928 998 35 any any DT 39928 998 36 considerable considerable JJ 39928 998 37 amount amount NN 39928 998 38 of of IN 39928 998 39 light light NN 39928 998 40 were be VBD 39928 998 41 lost lose VBN 39928 998 42 in in IN 39928 998 43 passing pass VBG 39928 998 44 that that DT 39928 998 45 distance distance NN 39928 998 46 we -PRON- PRP 39928 998 47 should should MD 39928 998 48 find find VB 39928 998 49 but but CC 39928 998 50 few few JJ 39928 998 51 stars star NNS 39928 998 52 of of IN 39928 998 53 the the DT 39928 998 54 first first JJ 39928 998 55 two two CD 39928 998 56 or or CC 39928 998 57 three three CD 39928 998 58 magnitudes magnitude NNS 39928 998 59 that that WDT 39928 998 60 were be VBD 39928 998 61 very very RB 39928 998 62 remote remote JJ 39928 998 63 from from IN 39928 998 64 us -PRON- PRP 39928 998 65 . . . 39928 999 1 Of of IN 39928 999 2 the the DT 39928 999 3 twenty twenty CD 39928 999 4 - - HYPH 39928 999 5 three three CD 39928 999 6 stars star NNS 39928 999 7 of of IN 39928 999 8 the the DT 39928 999 9 first first JJ 39928 999 10 magnitude magnitude NN 39928 999 11 , , , 39928 999 12 only only RB 39928 999 13 ten ten CD 39928 999 14 have have VBP 39928 999 15 been be VBN 39928 999 16 found find VBN 39928 999 17 to to TO 39928 999 18 have have VB 39928 999 19 parallaxes parallax NNS 39928 999 20 of of IN 39928 999 21 more more JJR 39928 999 22 than than IN 39928 999 23 one one CD 39928 999 24 - - HYPH 39928 999 25 twentieth twentieth NN 39928 999 26 of of IN 39928 999 27 a a DT 39928 999 28 second second JJ 39928 999 29 , , , 39928 999 30 while while IN 39928 999 31 five five CD 39928 999 32 range range NN 39928 999 33 from from IN 39928 999 34 that that DT 39928 999 35 small small JJ 39928 999 36 amount amount NN 39928 999 37 down down RB 39928 999 38 to to IN 39928 999 39 one one CD 39928 999 40 or or CC 39928 999 41 two two CD 39928 999 42 hundredths hundredth NNS 39928 999 43 of of IN 39928 999 44 a a DT 39928 999 45 second second JJ 39928 999 46 , , , 39928 999 47 and and CC 39928 999 48 there there EX 39928 999 49 are be VBP 39928 999 50 two two CD 39928 999 51 with with IN 39928 999 52 no no DT 39928 999 53 ascertainable ascertainable JJ 39928 999 54 parallax parallax NN 39928 999 55 . . . 39928 1000 1 Again again RB 39928 1000 2 , , , 39928 1000 3 there there EX 39928 1000 4 are be VBP 39928 1000 5 309 309 CD 39928 1000 6 stars star NNS 39928 1000 7 brighter bright JJR 39928 1000 8 than than IN 39928 1000 9 magnitude magnitude NN 39928 1000 10 3.5 3.5 CD 39928 1000 11 , , , 39928 1000 12 yet yet CC 39928 1000 13 only only RB 39928 1000 14 thirty thirty CD 39928 1000 15 - - HYPH 39928 1000 16 one one CD 39928 1000 17 of of IN 39928 1000 18 these these DT 39928 1000 19 have have VBP 39928 1000 20 proper proper JJ 39928 1000 21 motions motion NNS 39928 1000 22 of of IN 39928 1000 23 more more JJR 39928 1000 24 than than IN 39928 1000 25 100 100 CD 39928 1000 26 " " `` 39928 1000 27 a a DT 39928 1000 28 century century NN 39928 1000 29 , , , 39928 1000 30 and and CC 39928 1000 31 of of IN 39928 1000 32 these these DT 39928 1000 33 only only JJ 39928 1000 34 eighteen eighteen CD 39928 1000 35 have have VBP 39928 1000 36 parallaxes parallax NNS 39928 1000 37 of of IN 39928 1000 38 more more JJR 39928 1000 39 than than IN 39928 1000 40 one one CD 39928 1000 41 - - HYPH 39928 1000 42 twentieth twentieth NN 39928 1000 43 of of IN 39928 1000 44 a a DT 39928 1000 45 second second NN 39928 1000 46 . . . 39928 1001 1 These these DT 39928 1001 2 figures figure NNS 39928 1001 3 are be VBP 39928 1001 4 from from IN 39928 1001 5 tables table NNS 39928 1001 6 given give VBN 39928 1001 7 in in IN 39928 1001 8 Professor Professor NNP 39928 1001 9 Newcomb Newcomb NNP 39928 1001 10 's 's POS 39928 1001 11 book book NN 39928 1001 12 , , , 39928 1001 13 and and CC 39928 1001 14 they -PRON- PRP 39928 1001 15 have have VBP 39928 1001 16 very very RB 39928 1001 17 great great JJ 39928 1001 18 significance significance NN 39928 1001 19 , , , 39928 1001 20 since since IN 39928 1001 21 they -PRON- PRP 39928 1001 22 indicate indicate VBP 39928 1001 23 that that IN 39928 1001 24 the the DT 39928 1001 25 brightest bright JJS 39928 1001 26 stars star NNS 39928 1001 27 are be VBP 39928 1001 28 _ _ NNP 39928 1001 29 not not RB 39928 1001 30 _ _ NNP 39928 1001 31 the the DT 39928 1001 32 nearest near JJS 39928 1001 33 to to IN 39928 1001 34 us -PRON- PRP 39928 1001 35 . . . 39928 1002 1 More More JJR 39928 1002 2 than than IN 39928 1002 3 this this DT 39928 1002 4 , , , 39928 1002 5 they -PRON- PRP 39928 1002 6 show show VBP 39928 1002 7 that that IN 39928 1002 8 out out IN 39928 1002 9 of of IN 39928 1002 10 the the DT 39928 1002 11 seventy seventy CD 39928 1002 12 - - HYPH 39928 1002 13 two two CD 39928 1002 14 stars star NNS 39928 1002 15 whose whose WP$ 39928 1002 16 distance distance NN 39928 1002 17 has have VBZ 39928 1002 18 been be VBN 39928 1002 19 measured measure VBN 39928 1002 20 with with IN 39928 1002 21 some some DT 39928 1002 22 approach approach NN 39928 1002 23 to to IN 39928 1002 24 certainty certainty NN 39928 1002 25 , , , 39928 1002 26 only only RB 39928 1002 27 twenty twenty CD 39928 1002 28 - - HYPH 39928 1002 29 three three CD 39928 1002 30 ( ( -LRB- 39928 1002 31 having have VBG 39928 1002 32 a a DT 39928 1002 33 parallax parallax NN 39928 1002 34 of of IN 39928 1002 35 more more JJR 39928 1002 36 than than IN 39928 1002 37 one one CD 39928 1002 38 - - HYPH 39928 1002 39 fiftieth fiftieth NN 39928 1002 40 of of IN 39928 1002 41 a a DT 39928 1002 42 second second JJ 39928 1002 43 ) ) -RRB- 39928 1002 44 are be VBP 39928 1002 45 of of IN 39928 1002 46 greater great JJR 39928 1002 47 magnitudes magnitude NNS 39928 1002 48 than than IN 39928 1002 49 3.5 3.5 CD 39928 1002 50 , , , 39928 1002 51 while while IN 39928 1002 52 no no DT 39928 1002 53 less less JJR 39928 1002 54 than than IN 39928 1002 55 forty forty CD 39928 1002 56 - - HYPH 39928 1002 57 nine nine CD 39928 1002 58 are be VBP 39928 1002 59 smaller small JJR 39928 1002 60 stars star NNS 39928 1002 61 down down RP 39928 1002 62 to to IN 39928 1002 63 the the DT 39928 1002 64 eighth eighth JJ 39928 1002 65 or or CC 39928 1002 66 ninth ninth JJ 39928 1002 67 magnitude magnitude NN 39928 1002 68 , , , 39928 1002 69 and and CC 39928 1002 70 these these DT 39928 1002 71 are be VBP 39928 1002 72 on on IN 39928 1002 73 the the DT 39928 1002 74 average average JJ 39928 1002 75 much much JJ 39928 1002 76 nearer nearer NN 39928 1002 77 to to IN 39928 1002 78 us -PRON- PRP 39928 1002 79 than than IN 39928 1002 80 the the DT 39928 1002 81 brighter bright JJR 39928 1002 82 stars star NNS 39928 1002 83 ! ! . 39928 1003 1 Taking take VBG 39928 1003 2 the the DT 39928 1003 3 whole whole NN 39928 1003 4 of of IN 39928 1003 5 the the DT 39928 1003 6 stars star NNS 39928 1003 7 whose whose WP$ 39928 1003 8 parallaxes parallax NNS 39928 1003 9 are be VBP 39928 1003 10 given give VBN 39928 1003 11 by by IN 39928 1003 12 Professor Professor NNP 39928 1003 13 Newcomb Newcomb NNP 39928 1003 14 , , , 39928 1003 15 we -PRON- PRP 39928 1003 16 find find VBP 39928 1003 17 that that IN 39928 1003 18 the the DT 39928 1003 19 average average JJ 39928 1003 20 parallax parallax NN 39928 1003 21 of of IN 39928 1003 22 the the DT 39928 1003 23 thirty thirty CD 39928 1003 24 - - HYPH 39928 1003 25 one one CD 39928 1003 26 bright bright JJ 39928 1003 27 stars star NNS 39928 1003 28 ( ( -LRB- 39928 1003 29 from from IN 39928 1003 30 3.5 3.5 CD 39928 1003 31 magnitude magnitude NN 39928 1003 32 up up IN 39928 1003 33 to to IN 39928 1003 34 Sirius Sirius NNP 39928 1003 35 ) ) -RRB- 39928 1003 36 is be VBZ 39928 1003 37 0.11 0.11 CD 39928 1003 38 seconds second NNS 39928 1003 39 ; ; : 39928 1003 40 while while IN 39928 1003 41 that that DT 39928 1003 42 of of IN 39928 1003 43 the the DT 39928 1003 44 forty forty CD 39928 1003 45 - - HYPH 39928 1003 46 one one CD 39928 1003 47 stars star NNS 39928 1003 48 below below IN 39928 1003 49 3.5 3.5 CD 39928 1003 50 magnitude magnitude NN 39928 1003 51 down down RB 39928 1003 52 to to IN 39928 1003 53 about about IN 39928 1003 54 9.5 9.5 CD 39928 1003 55 , , , 39928 1003 56 is be VBZ 39928 1003 57 0.21 0.21 CD 39928 1003 58 seconds second NNS 39928 1003 59 , , , 39928 1003 60 showing show VBG 39928 1003 61 that that IN 39928 1003 62 they -PRON- PRP 39928 1003 63 are be VBP 39928 1003 64 , , , 39928 1003 65 on on IN 39928 1003 66 the the DT 39928 1003 67 average average NN 39928 1003 68 , , , 39928 1003 69 only only RB 39928 1003 70 half half NN 39928 1003 71 as as RB 39928 1003 72 far far RB 39928 1003 73 from from IN 39928 1003 74 us -PRON- PRP 39928 1003 75 as as IN 39928 1003 76 the the DT 39928 1003 77 brighter bright JJR 39928 1003 78 stars star NNS 39928 1003 79 . . . 39928 1004 1 The the DT 39928 1004 2 same same JJ 39928 1004 3 conclusion conclusion NN 39928 1004 4 was be VBD 39928 1004 5 reached reach VBN 39928 1004 6 by by IN 39928 1004 7 Mr. Mr. NNP 39928 1004 8 Thomas Thomas NNP 39928 1004 9 Lewis Lewis NNP 39928 1004 10 of of IN 39928 1004 11 the the DT 39928 1004 12 Greenwich Greenwich NNP 39928 1004 13 Observatory Observatory NNP 39928 1004 14 in in IN 39928 1004 15 1895 1895 CD 39928 1004 16 , , , 39928 1004 17 namely namely RB 39928 1004 18 , , , 39928 1004 19 that that IN 39928 1004 20 the the DT 39928 1004 21 stars star NNS 39928 1004 22 from from IN 39928 1004 23 2.70 2.70 CD 39928 1004 24 magnitude magnitude NN 39928 1004 25 down down RB 39928 1004 26 to to IN 39928 1004 27 about about RB 39928 1004 28 8.40 8.40 CD 39928 1004 29 magnitude magnitude NN 39928 1004 30 have have VBP 39928 1004 31 , , , 39928 1004 32 on on IN 39928 1004 33 the the DT 39928 1004 34 average average NN 39928 1004 35 , , , 39928 1004 36 double double PDT 39928 1004 37 the the DT 39928 1004 38 parallaxes parallax NNS 39928 1004 39 of of IN 39928 1004 40 the the DT 39928 1004 41 brighter bright JJR 39928 1004 42 stars star NNS 39928 1004 43 . . . 39928 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NNS 39928 1005 38 ; ; : 39928 1005 39 for for IN 39928 1005 40 if if IN 39928 1005 41 there there EX 39928 1005 42 should should MD 39928 1005 43 be be VB 39928 1005 44 such such PDT 39928 1005 45 a a DT 39928 1005 46 loss loss NN 39928 1005 47 it -PRON- PRP 39928 1005 48 would would MD 39928 1005 49 render render VB 39928 1005 50 the the DT 39928 1005 51 above above JJ 39928 1005 52 phenomenon phenomenon NN 39928 1005 53 still still RB 39928 1005 54 more more RBR 39928 1005 55 difficult difficult JJ 39928 1005 56 of of IN 39928 1005 57 explanation explanation NN 39928 1005 58 , , , 39928 1005 59 because because IN 39928 1005 60 it -PRON- PRP 39928 1005 61 would would MD 39928 1005 62 tend tend VB 39928 1005 63 to to TO 39928 1005 64 exaggerate exaggerate VB 39928 1005 65 it -PRON- PRP 39928 1005 66 . . . 39928 1006 1 The the DT 39928 1006 2 bright bright JJ 39928 1006 3 stars star NNS 39928 1006 4 being be VBG 39928 1006 5 on on IN 39928 1006 6 the the DT 39928 1006 7 whole whole JJ 39928 1006 8 farther far RBR 39928 1006 9 away away RB 39928 1006 10 from from IN 39928 1006 11 us -PRON- PRP 39928 1006 12 than than IN 39928 1006 13 the the DT 39928 1006 14 less less RBR 39928 1006 15 bright bright JJ 39928 1006 16 down down RP 39928 1006 17 to to IN 39928 1006 18 the the DT 39928 1006 19 eighth eighth JJ 39928 1006 20 and and CC 39928 1006 21 ninth ninth JJ 39928 1006 22 magnitudes magnitude NNS 39928 1006 23 , , , 39928 1006 24 it -PRON- PRP 39928 1006 25 follows follow VBZ 39928 1006 26 , , , 39928 1006 27 if if IN 39928 1006 28 there there EX 39928 1006 29 is be VBZ 39928 1006 30 any any DT 39928 1006 31 loss loss NN 39928 1006 32 of of IN 39928 1006 33 light light NN 39928 1006 34 , , , 39928 1006 35 that that IN 39928 1006 36 the the DT 39928 1006 37 bright bright JJ 39928 1006 38 stars star NNS 39928 1006 39 are be VBP 39928 1006 40 really really RB 39928 1006 41 brighter bright JJR 39928 1006 42 than than IN 39928 1006 43 they -PRON- PRP 39928 1006 44 appear appear VBP 39928 1006 45 to to IN 39928 1006 46 us -PRON- PRP 39928 1006 47 , , , 39928 1006 48 because because IN 39928 1006 49 , , , 39928 1006 50 owing owe VBG 39928 1006 51 to to IN 39928 1006 52 their -PRON- PRP$ 39928 1006 53 enormous enormous JJ 39928 1006 54 distance distance NN 39928 1006 55 some some DT 39928 1006 56 of of IN 39928 1006 57 their -PRON- PRP$ 39928 1006 58 light light NN 39928 1006 59 has have VBZ 39928 1006 60 been be VBN 39928 1006 61 lost lose VBN 39928 1006 62 before before IN 39928 1006 63 it -PRON- PRP 39928 1006 64 reached reach VBD 39928 1006 65 us -PRON- PRP 39928 1006 66 . . . 39928 1007 1 Of of RB 39928 1007 2 course course RB 39928 1007 3 it -PRON- PRP 39928 1007 4 may may MD 39928 1007 5 be be VB 39928 1007 6 said say VBN 39928 1007 7 that that IN 39928 1007 8 this this DT 39928 1007 9 does do VBZ 39928 1007 10 not not RB 39928 1007 11 _ _ NNP 39928 1007 12 demonstrate demonstrate NN 39928 1007 13 _ _ NNP 39928 1007 14 that that IN 39928 1007 15 no no DT 39928 1007 16 light light NN 39928 1007 17 is be VBZ 39928 1007 18 lost lose VBN 39928 1007 19 in in IN 39928 1007 20 passing pass VBG 39928 1007 21 through through IN 39928 1007 22 space space NN 39928 1007 23 ; ; : 39928 1007 24 but but CC 39928 1007 25 , , , 39928 1007 26 on on IN 39928 1007 27 the the DT 39928 1007 28 other other JJ 39928 1007 29 hand hand NN 39928 1007 30 , , , 39928 1007 31 it -PRON- PRP 39928 1007 32 is be VBZ 39928 1007 33 exactly exactly RB 39928 1007 34 the the DT 39928 1007 35 opposite opposite NN 39928 1007 36 of of IN 39928 1007 37 what what WP 39928 1007 38 we -PRON- PRP 39928 1007 39 should should MD 39928 1007 40 expect expect VB 39928 1007 41 if if IN 39928 1007 42 the the DT 39928 1007 43 more more RBR 39928 1007 44 distant distant JJ 39928 1007 45 stars star NNS 39928 1007 46 were be VBD 39928 1007 47 perceptibly perceptibly RB 39928 1007 48 dimmed dim VBN 39928 1007 49 by by IN 39928 1007 50 this this DT 39928 1007 51 cause cause NN 39928 1007 52 , , , 39928 1007 53 and and CC 39928 1007 54 it -PRON- PRP 39928 1007 55 may may MD 39928 1007 56 be be VB 39928 1007 57 considered consider VBN 39928 1007 58 to to TO 39928 1007 59 prove prove VB 39928 1007 60 that that IN 39928 1007 61 if if IN 39928 1007 62 there there EX 39928 1007 63 is be VBZ 39928 1007 64 any any DT 39928 1007 65 loss loss NN 39928 1007 66 it -PRON- PRP 39928 1007 67 is be VBZ 39928 1007 68 exceedingly exceedingly RB 39928 1007 69 small small JJ 39928 1007 70 , , , 39928 1007 71 and and CC 39928 1007 72 will will MD 39928 1007 73 not not RB 39928 1007 74 affect affect VB 39928 1007 75 the the DT 39928 1007 76 question question NN 39928 1007 77 of of IN 39928 1007 78 the the DT 39928 1007 79 limits limit NNS 39928 1007 80 of of IN 39928 1007 81 our -PRON- PRP$ 39928 1007 82 stellar stellar JJ 39928 1007 83 system system NN 39928 1007 84 , , , 39928 1007 85 which which WDT 39928 1007 86 is be VBZ 39928 1007 87 all all DT 39928 1007 88 that that WDT 39928 1007 89 we -PRON- PRP 39928 1007 90 are be VBP 39928 1007 91 dealing deal VBG 39928 1007 92 with with IN 39928 1007 93 . . . 39928 1008 1 This this DT 39928 1008 2 remarkable remarkable JJ 39928 1008 3 fact fact NN 39928 1008 4 of of IN 39928 1008 5 the the DT 39928 1008 6 enormous enormous JJ 39928 1008 7 remoteness remoteness NN 39928 1008 8 of of IN 39928 1008 9 the the DT 39928 1008 10 majority majority NN 39928 1008 11 of of IN 39928 1008 12 the the DT 39928 1008 13 brighter bright JJR 39928 1008 14 stars star NNS 39928 1008 15 is be VBZ 39928 1008 16 equally equally RB 39928 1008 17 effective effective JJ 39928 1008 18 as as IN 39928 1008 19 an an DT 39928 1008 20 argument argument NN 39928 1008 21 against against IN 39928 1008 22 the the DT 39928 1008 23 loss loss NN 39928 1008 24 of of IN 39928 1008 25 light light NN 39928 1008 26 by by IN 39928 1008 27 dark dark JJ 39928 1008 28 stars star NNS 39928 1008 29 or or CC 39928 1008 30 cosmic cosmic JJ 39928 1008 31 dust dust NN 39928 1008 32 , , , 39928 1008 33 because because IN 39928 1008 34 , , , 39928 1008 35 if if IN 39928 1008 36 the the DT 39928 1008 37 light light NN 39928 1008 38 is be VBZ 39928 1008 39 not not RB 39928 1008 40 appreciably appreciably RB 39928 1008 41 diminished diminish VBN 39928 1008 42 for for IN 39928 1008 43 stars star NNS 39928 1008 44 which which WDT 39928 1008 45 have have VBP 39928 1008 46 less less JJR 39928 1008 47 than than IN 39928 1008 48 the the DT 39928 1008 49 fiftieth fiftieth NN 39928 1008 50 of of IN 39928 1008 51 a a DT 39928 1008 52 second second NN 39928 1008 53 of of IN 39928 1008 54 parallax parallax NN 39928 1008 55 , , , 39928 1008 56 it -PRON- PRP 39928 1008 57 can can MD 39928 1008 58 not not RB 39928 1008 59 greatly greatly RB 39928 1008 60 interfere interfere VB 39928 1008 61 with with IN 39928 1008 62 our -PRON- PRP$ 39928 1008 63 estimates estimate NNS 39928 1008 64 of of IN 39928 1008 65 the the DT 39928 1008 66 limits limit NNS 39928 1008 67 of of IN 39928 1008 68 our -PRON- PRP$ 39928 1008 69 universe universe NN 39928 1008 70 . . . 39928 1009 1 Both both CC 39928 1009 2 Mr. Mr. NNP 39928 1009 3 E.W. E.W. NNP 39928 1010 1 Maunder Maunder NNP 39928 1010 2 of of IN 39928 1010 3 the the DT 39928 1010 4 Greenwich Greenwich NNP 39928 1010 5 Observatory Observatory NNP 39928 1010 6 and and CC 39928 1010 7 Professor Professor NNP 39928 1010 8 W.W. W.W. NNP 39928 1010 9 Turner Turner NNP 39928 1010 10 of of IN 39928 1010 11 Oxford Oxford NNP 39928 1010 12 lay lie VBD 39928 1010 13 great great JJ 39928 1010 14 stress stress NN 39928 1010 15 on on IN 39928 1010 16 these these DT 39928 1010 17 dark dark JJ 39928 1010 18 bodies body NNS 39928 1010 19 , , , 39928 1010 20 and and CC 39928 1010 21 the the DT 39928 1010 22 former former JJ 39928 1010 23 quotes quote NNS 39928 1010 24 Sir Sir NNP 39928 1010 25 Robert Robert NNP 39928 1010 26 Ball Ball NNP 39928 1010 27 as as IN 39928 1010 28 saying say VBG 39928 1010 29 , , , 39928 1010 30 ' ' '' 39928 1010 31 the the DT 39928 1010 32 dark dark JJ 39928 1010 33 stars star NNS 39928 1010 34 are be VBP 39928 1010 35 incomparably incomparably RB 39928 1010 36 more more RBR 39928 1010 37 numerous numerous JJ 39928 1010 38 than than IN 39928 1010 39 those those DT 39928 1010 40 that that WDT 39928 1010 41 we -PRON- PRP 39928 1010 42 can can MD 39928 1010 43 see see VB 39928 1010 44 ... ... NFP 39928 1010 45 and and CC 39928 1010 46 to to TO 39928 1010 47 attempt attempt VB 39928 1010 48 to to TO 39928 1010 49 number number VB 39928 1010 50 the the DT 39928 1010 51 stars star NNS 39928 1010 52 of of IN 39928 1010 53 our -PRON- PRP$ 39928 1010 54 universe universe NN 39928 1010 55 by by IN 39928 1010 56 those those DT 39928 1010 57 whose whose WP$ 39928 1010 58 transitory transitory JJ 39928 1010 59 brightness brightness NN 39928 1010 60 we -PRON- PRP 39928 1010 61 can can MD 39928 1010 62 perceive perceive VB 39928 1010 63 would would MD 39928 1010 64 be be VB 39928 1010 65 like like IN 39928 1010 66 estimating estimate VBG 39928 1010 67 the the DT 39928 1010 68 number number NN 39928 1010 69 of of IN 39928 1010 70 horseshoes horseshoe NNS 39928 1010 71 in in IN 39928 1010 72 England England NNP 39928 1010 73 by by IN 39928 1010 74 those those DT 39928 1010 75 which which WDT 39928 1010 76 are be VBP 39928 1010 77 red red JJ 39928 1010 78 - - HYPH 39928 1010 79 hot hot JJ 39928 1010 80 . . . 39928 1010 81 ' ' '' 39928 1011 1 But but CC 39928 1011 2 the the DT 39928 1011 3 proportion proportion NN 39928 1011 4 of of IN 39928 1011 5 dark dark JJ 39928 1011 6 stars star NNS 39928 1011 7 ( ( -LRB- 39928 1011 8 or or CC 39928 1011 9 nebulæ nebulæ NN 39928 1011 10 ) ) -RRB- 39928 1011 11 to to IN 39928 1011 12 bright bright JJ 39928 1011 13 ones one NNS 39928 1011 14 can can MD 39928 1011 15 not not RB 39928 1011 16 be be VB 39928 1011 17 determined determine VBN 39928 1011 18 _ _ NNP 39928 1011 19 a a DT 39928 1011 20 priori priori FW 39928 1011 21 _ _ NNP 39928 1011 22 , , , 39928 1011 23 since since IN 39928 1011 24 it -PRON- PRP 39928 1011 25 must must MD 39928 1011 26 depend depend VB 39928 1011 27 upon upon IN 39928 1011 28 the the DT 39928 1011 29 causes cause NNS 39928 1011 30 that that WDT 39928 1011 31 heat heat VBP 39928 1011 32 the the DT 39928 1011 33 stars star NNS 39928 1011 34 , , , 39928 1011 35 and and CC 39928 1011 36 how how WRB 39928 1011 37 frequently frequently RB 39928 1011 38 those those DT 39928 1011 39 causes cause NNS 39928 1011 40 come come VBP 39928 1011 41 into into IN 39928 1011 42 action action NN 39928 1011 43 as as IN 39928 1011 44 compared compare VBN 39928 1011 45 with with IN 39928 1011 46 the the DT 39928 1011 47 life life NN 39928 1011 48 of of IN 39928 1011 49 a a DT 39928 1011 50 bright bright JJ 39928 1011 51 star star NN 39928 1011 52 . . . 39928 1012 1 We -PRON- PRP 39928 1012 2 do do VBP 39928 1012 3 know know VB 39928 1012 4 , , , 39928 1012 5 both both CC 39928 1012 6 from from IN 39928 1012 7 the the DT 39928 1012 8 stability stability NN 39928 1012 9 of of IN 39928 1012 10 the the DT 39928 1012 11 light light NN 39928 1012 12 of of IN 39928 1012 13 the the DT 39928 1012 14 stars star NNS 39928 1012 15 during during IN 39928 1012 16 the the DT 39928 1012 17 historic historic JJ 39928 1012 18 period period NN 39928 1012 19 and and CC 39928 1012 20 much much RB 39928 1012 21 more more RBR 39928 1012 22 precisely precisely RB 39928 1012 23 by by IN 39928 1012 24 the the DT 39928 1012 25 enormous enormous JJ 39928 1012 26 epochs epoch NNS 39928 1012 27 during during IN 39928 1012 28 which which WDT 39928 1012 29 our -PRON- PRP$ 39928 1012 30 sun sun NN 39928 1012 31 has have VBZ 39928 1012 32 supported support VBN 39928 1012 33 life life NN 39928 1012 34 upon upon IN 39928 1012 35 this this DT 39928 1012 36 earth earth NN 39928 1012 37 -- -- : 39928 1012 38 yet yet CC 39928 1012 39 which which WDT 39928 1012 40 must must MD 39928 1012 41 have have VB 39928 1012 42 been be VBN 39928 1012 43 ' ' `` 39928 1012 44 incomparably incomparably RB 39928 1012 45 ' ' `` 39928 1012 46 less less JJR 39928 1012 47 than than IN 39928 1012 48 its -PRON- PRP$ 39928 1012 49 whole whole JJ 39928 1012 50 existence existence NN 39928 1012 51 as as IN 39928 1012 52 a a DT 39928 1012 53 light light NN 39928 1012 54 - - HYPH 39928 1012 55 giver giver NN 39928 1012 56 -- -- : 39928 1012 57 that that IN 39928 1012 58 the the DT 39928 1012 59 life life NN 39928 1012 60 of of IN 39928 1012 61 most most JJS 39928 1012 62 stars star NNS 39928 1012 63 must must MD 39928 1012 64 be be VB 39928 1012 65 counted count VBN 39928 1012 66 by by IN 39928 1012 67 hundreds hundred NNS 39928 1012 68 or or CC 39928 1012 69 perhaps perhaps RB 39928 1012 70 by by IN 39928 1012 71 thousands thousand NNS 39928 1012 72 of of IN 39928 1012 73 millions million NNS 39928 1012 74 of of IN 39928 1012 75 years year NNS 39928 1012 76 . . . 39928 1013 1 But but CC 39928 1013 2 we -PRON- PRP 39928 1013 3 have have VBP 39928 1013 4 no no DT 39928 1013 5 knowledge knowledge NN 39928 1013 6 whatever whatever WDT 39928 1013 7 of of IN 39928 1013 8 the the DT 39928 1013 9 rate rate NN 39928 1013 10 at at IN 39928 1013 11 which which WDT 39928 1013 12 true true JJ 39928 1013 13 stars star NNS 39928 1013 14 are be VBP 39928 1013 15 born bear VBN 39928 1013 16 . . . 39928 1014 1 The the DT 39928 1014 2 so so RB 39928 1014 3 - - HYPH 39928 1014 4 called call VBN 39928 1014 5 ' ' `` 39928 1014 6 new new JJ 39928 1014 7 stars star NNS 39928 1014 8 ' ' '' 39928 1014 9 which which WDT 39928 1014 10 occasionally occasionally RB 39928 1014 11 appear appear VBP 39928 1014 12 evidently evidently RB 39928 1014 13 belong belong VB 39928 1014 14 to to IN 39928 1014 15 a a DT 39928 1014 16 different different JJ 39928 1014 17 category category NN 39928 1014 18 . . . 39928 1015 1 They -PRON- PRP 39928 1015 2 blaze blaze VBP 39928 1015 3 out out RP 39928 1015 4 suddenly suddenly RB 39928 1015 5 and and CC 39928 1015 6 almost almost RB 39928 1015 7 as as IN 39928 1015 8 suddenly suddenly RB 39928 1015 9 fade fade VB 39928 1015 10 away away RB 39928 1015 11 into into IN 39928 1015 12 obscurity obscurity NN 39928 1015 13 or or CC 39928 1015 14 total total JJ 39928 1015 15 invisibility invisibility NN 39928 1015 16 . . . 39928 1016 1 But but CC 39928 1016 2 the the DT 39928 1016 3 true true JJ 39928 1016 4 stars star NNS 39928 1016 5 probably probably RB 39928 1016 6 go go VBP 39928 1016 7 through through IN 39928 1016 8 their -PRON- PRP$ 39928 1016 9 stages stage NNS 39928 1016 10 of of IN 39928 1016 11 origin origin NN 39928 1016 12 , , , 39928 1016 13 growth growth NN 39928 1016 14 , , , 39928 1016 15 maturity maturity NN 39928 1016 16 , , , 39928 1016 17 and and CC 39928 1016 18 decay decay VB 39928 1016 19 , , , 39928 1016 20 with with IN 39928 1016 21 extreme extreme JJ 39928 1016 22 slowness slowness NN 39928 1016 23 , , , 39928 1016 24 so so IN 39928 1016 25 that that IN 39928 1016 26 it -PRON- PRP 39928 1016 27 is be VBZ 39928 1016 28 not not RB 39928 1016 29 as as RB 39928 1016 30 yet yet RB 39928 1016 31 possible possible JJ 39928 1016 32 for for IN 39928 1016 33 us -PRON- PRP 39928 1016 34 to to TO 39928 1016 35 determine determine VB 39928 1016 36 by by IN 39928 1016 37 observation observation NN 39928 1016 38 when when WRB 39928 1016 39 they -PRON- PRP 39928 1016 40 are be VBP 39928 1016 41 born bear VBN 39928 1016 42 or or CC 39928 1016 43 when when WRB 39928 1016 44 they -PRON- PRP 39928 1016 45 die die VBP 39928 1016 46 . . . 39928 1017 1 In in IN 39928 1017 2 this this DT 39928 1017 3 respect respect NN 39928 1017 4 they -PRON- PRP 39928 1017 5 correspond correspond VBP 39928 1017 6 to to IN 39928 1017 7 species specie NNS 39928 1017 8 in in IN 39928 1017 9 the the DT 39928 1017 10 organic organic JJ 39928 1017 11 world world NN 39928 1017 12 . . . 39928 1018 1 They -PRON- PRP 39928 1018 2 would would MD 39928 1018 3 probably probably RB 39928 1018 4 first first RB 39928 1018 5 be be VB 39928 1018 6 known know VBN 39928 1018 7 to to IN 39928 1018 8 us -PRON- PRP 39928 1018 9 as as IN 39928 1018 10 stars star NNS 39928 1018 11 or or CC 39928 1018 12 minute minute NN 39928 1018 13 nebulæ nebulæ NN 39928 1018 14 : : : 39928 1018 15 at at IN 39928 1018 16 the the DT 39928 1018 17 extreme extreme JJ 39928 1018 18 limit limit NN 39928 1018 19 of of IN 39928 1018 20 telescopic telescopic JJ 39928 1018 21 vision vision NN 39928 1018 22 or or CC 39928 1018 23 of of IN 39928 1018 24 photographic photographic JJ 39928 1018 25 sensitiveness sensitiveness NN 39928 1018 26 , , , 39928 1018 27 and and CC 39928 1018 28 the the DT 39928 1018 29 growth growth NN 39928 1018 30 of of IN 39928 1018 31 their -PRON- PRP$ 39928 1018 32 luminosity luminosity NN 39928 1018 33 might may MD 39928 1018 34 be be VB 39928 1018 35 so so RB 39928 1018 36 gradual gradual JJ 39928 1018 37 as as IN 39928 1018 38 to to TO 39928 1018 39 require require VB 39928 1018 40 hundreds hundred NNS 39928 1018 41 , , , 39928 1018 42 perhaps perhaps RB 39928 1018 43 thousands thousand NNS 39928 1018 44 of of IN 39928 1018 45 years year NNS 39928 1018 46 to to TO 39928 1018 47 be be VB 39928 1018 48 distinctly distinctly RB 39928 1018 49 recognisable recognisable JJ 39928 1018 50 . . . 39928 1019 1 Hence hence RB 39928 1019 2 the the DT 39928 1019 3 argument argument NN 39928 1019 4 derived derive VBD 39928 1019 5 from from IN 39928 1019 6 the the DT 39928 1019 7 fact fact NN 39928 1019 8 that that IN 39928 1019 9 we -PRON- PRP 39928 1019 10 have have VBP 39928 1019 11 never never RB 39928 1019 12 witnessed witness VBN 39928 1019 13 the the DT 39928 1019 14 birth birth NN 39928 1019 15 of of IN 39928 1019 16 a a DT 39928 1019 17 true true JJ 39928 1019 18 permanent permanent JJ 39928 1019 19 star star NN 39928 1019 20 , , , 39928 1019 21 and and CC 39928 1019 22 that that IN 39928 1019 23 , , , 39928 1019 24 therefore therefore RB 39928 1019 25 , , , 39928 1019 26 such such JJ 39928 1019 27 occurrences occurrence NNS 39928 1019 28 are be VBP 39928 1019 29 very very RB 39928 1019 30 rare rare JJ 39928 1019 31 , , , 39928 1019 32 is be VBZ 39928 1019 33 valueless valueless JJ 39928 1019 34 . . . 39928 1020 1 New new JJ 39928 1020 2 stars star NNS 39928 1020 3 may may MD 39928 1020 4 arise arise VB 39928 1020 5 every every DT 39928 1020 6 year year NN 39928 1020 7 or or CC 39928 1020 8 every every DT 39928 1020 9 day day NN 39928 1020 10 without without IN 39928 1020 11 our -PRON- PRP$ 39928 1020 12 recognising recognise VBG 39928 1020 13 them -PRON- PRP 39928 1020 14 ; ; : 39928 1020 15 and and CC 39928 1020 16 if if IN 39928 1020 17 this this DT 39928 1020 18 is be VBZ 39928 1020 19 the the DT 39928 1020 20 case case NN 39928 1020 21 , , , 39928 1020 22 the the DT 39928 1020 23 reservoir reservoir NN 39928 1020 24 of of IN 39928 1020 25 dark dark JJ 39928 1020 26 bodies body NNS 39928 1020 27 , , , 39928 1020 28 whether whether IN 39928 1020 29 in in IN 39928 1020 30 the the DT 39928 1020 31 form form NN 39928 1020 32 of of IN 39928 1020 33 large large JJ 39928 1020 34 masses masse NNS 39928 1020 35 or or CC 39928 1020 36 of of IN 39928 1020 37 clouds cloud NNS 39928 1020 38 of of IN 39928 1020 39 cosmic cosmic JJ 39928 1020 40 dust dust NN 39928 1020 41 , , , 39928 1020 42 so so RB 39928 1020 43 far far RB 39928 1020 44 from from IN 39928 1020 45 being be VBG 39928 1020 46 incomparably incomparably RB 39928 1020 47 greater great JJR 39928 1020 48 than than IN 39928 1020 49 the the DT 39928 1020 50 whole whole NN 39928 1020 51 of of IN 39928 1020 52 the the DT 39928 1020 53 visible visible JJ 39928 1020 54 stars star NNS 39928 1020 55 and and CC 39928 1020 56 nebulæ nebulæ NN 39928 1020 57 , , , 39928 1020 58 may may MD 39928 1020 59 quite quite RB 39928 1020 60 possibly possibly RB 39928 1020 61 be be VB 39928 1020 62 only only RB 39928 1020 63 equal equal JJ 39928 1020 64 to to IN 39928 1020 65 it -PRON- PRP 39928 1020 66 , , , 39928 1020 67 or or CC 39928 1020 68 at at IN 39928 1020 69 most most JJS 39928 1020 70 a a DT 39928 1020 71 few few JJ 39928 1020 72 times time NNS 39928 1020 73 greater great JJR 39928 1020 74 ; ; : 39928 1020 75 and and CC 39928 1020 76 in in IN 39928 1020 77 that that DT 39928 1020 78 case case NN 39928 1020 79 , , , 39928 1020 80 considering consider VBG 39928 1020 81 the the DT 39928 1020 82 enormous enormous JJ 39928 1020 83 distances distance NNS 39928 1020 84 that that WDT 39928 1020 85 separate separate VBP 39928 1020 86 the the DT 39928 1020 87 stars star NNS 39928 1020 88 ( ( -LRB- 39928 1020 89 or or CC 39928 1020 90 star star NN 39928 1020 91 - - HYPH 39928 1020 92 systems system NNS 39928 1020 93 ) ) -RRB- 39928 1020 94 from from IN 39928 1020 95 each each DT 39928 1020 96 other other JJ 39928 1020 97 , , , 39928 1020 98 they -PRON- PRP 39928 1020 99 would would MD 39928 1020 100 have have VB 39928 1020 101 no no DT 39928 1020 102 appreciable appreciable JJ 39928 1020 103 effect effect NN 39928 1020 104 in in IN 39928 1020 105 shutting shut VBG 39928 1020 106 out out RP 39928 1020 107 from from IN 39928 1020 108 our -PRON- PRP$ 39928 1020 109 view view NN 39928 1020 110 any any DT 39928 1020 111 considerable considerable JJ 39928 1020 112 proportion proportion NN 39928 1020 113 of of IN 39928 1020 114 the the DT 39928 1020 115 luminous luminous JJ 39928 1020 116 bodies body NNS 39928 1020 117 constituting constitute VBG 39928 1020 118 our -PRON- PRP$ 39928 1020 119 stellar stellar JJ 39928 1020 120 universe universe NN 39928 1020 121 . . . 39928 1021 1 It -PRON- PRP 39928 1021 2 follows follow VBZ 39928 1021 3 , , , 39928 1021 4 that that IN 39928 1021 5 Professor Professor NNP 39928 1021 6 Newcomb Newcomb NNP 39928 1021 7 's 's POS 39928 1021 8 argument argument NN 39928 1021 9 as as IN 39928 1021 10 to to IN 39928 1021 11 the the DT 39928 1021 12 very very RB 39928 1021 13 small small JJ 39928 1021 14 total total JJ 39928 1021 15 light light NN 39928 1021 16 given give VBN 39928 1021 17 by by IN 39928 1021 18 the the DT 39928 1021 19 stars star NNS 39928 1021 20 has have VBZ 39928 1021 21 not not RB 39928 1021 22 been be VBN 39928 1021 23 even even RB 39928 1021 24 weakened weaken VBN 39928 1021 25 by by IN 39928 1021 26 any any DT 39928 1021 27 of of IN 39928 1021 28 the the DT 39928 1021 29 facts fact NNS 39928 1021 30 or or CC 39928 1021 31 arguments argument NNS 39928 1021 32 adduced adduce VBD 39928 1021 33 against against IN 39928 1021 34 it -PRON- PRP 39928 1021 35 . . . 39928 1022 1 Mr. Mr. NNP 39928 1022 2 W.H.S. W.H.S. NNP 39928 1023 1 Monck Monck NNP 39928 1023 2 , , , 39928 1023 3 in in IN 39928 1023 4 a a DT 39928 1023 5 letter letter NN 39928 1023 6 to to IN 39928 1023 7 _ _ NNP 39928 1023 8 Knowledge Knowledge NNP 39928 1023 9 _ _ NNP 39928 1023 10 ( ( -LRB- 39928 1023 11 May May NNP 39928 1023 12 1903 1903 CD 39928 1023 13 ) ) -RRB- 39928 1023 14 , , , 39928 1023 15 puts put VBZ 39928 1023 16 the the DT 39928 1023 17 case case NN 39928 1023 18 very very RB 39928 1023 19 strongly strongly RB 39928 1023 20 so so IN 39928 1023 21 as as IN 39928 1023 22 to to TO 39928 1023 23 support support VB 39928 1023 24 my -PRON- PRP$ 39928 1023 25 view view NN 39928 1023 26 . . . 39928 1024 1 He -PRON- PRP 39928 1024 2 says:--'The says:--'the LS 39928 1024 3 highest high JJS 39928 1024 4 estimate estimate NN 39928 1024 5 that that IN 39928 1024 6 I -PRON- PRP 39928 1024 7 have have VBP 39928 1024 8 seen see VBN 39928 1024 9 of of IN 39928 1024 10 the the DT 39928 1024 11 total total JJ 39928 1024 12 light light NN 39928 1024 13 of of IN 39928 1024 14 the the DT 39928 1024 15 full full JJ 39928 1024 16 moon moon NN 39928 1024 17 is be VBZ 39928 1024 18 1/300000 1/300000 CD 39928 1024 19 of of IN 39928 1024 20 that that DT 39928 1024 21 of of IN 39928 1024 22 the the DT 39928 1024 23 sun sun NN 39928 1024 24 . . . 39928 1025 1 Suppose suppose VB 39928 1025 2 that that IN 39928 1025 3 the the DT 39928 1025 4 dark dark JJ 39928 1025 5 bodies body NNS 39928 1025 6 were be VBD 39928 1025 7 a a DT 39928 1025 8 hundred hundred CD 39928 1025 9 and and CC 39928 1025 10 fifty fifty CD 39928 1025 11 thousand thousand CD 39928 1025 12 times time NNS 39928 1025 13 as as RB 39928 1025 14 numerous numerous JJ 39928 1025 15 as as IN 39928 1025 16 the the DT 39928 1025 17 bright bright JJ 39928 1025 18 ones one NNS 39928 1025 19 . . . 39928 1026 1 Then then RB 39928 1026 2 the the DT 39928 1026 3 whole whole JJ 39928 1026 4 sky sky NN 39928 1026 5 ought ought MD 39928 1026 6 to to TO 39928 1026 7 be be VB 39928 1026 8 as as RB 39928 1026 9 bright bright JJ 39928 1026 10 as as IN 39928 1026 11 the the DT 39928 1026 12 illuminated illuminate VBN 39928 1026 13 portion portion NN 39928 1026 14 of of IN 39928 1026 15 the the DT 39928 1026 16 moon moon NN 39928 1026 17 . . . 39928 1027 1 Every every DT 39928 1027 2 one one NN 39928 1027 3 knows know VBZ 39928 1027 4 that that IN 39928 1027 5 this this DT 39928 1027 6 is be VBZ 39928 1027 7 not not RB 39928 1027 8 so so RB 39928 1027 9 . . . 39928 1028 1 But but CC 39928 1028 2 it -PRON- PRP 39928 1028 3 is be VBZ 39928 1028 4 said say VBN 39928 1028 5 that that IN 39928 1028 6 the the DT 39928 1028 7 stars star NNS 39928 1028 8 , , , 39928 1028 9 though though IN 39928 1028 10 infinite infinite NNP 39928 1028 11 , , , 39928 1028 12 may may MD 39928 1028 13 only only RB 39928 1028 14 extend extend VB 39928 1028 15 to to IN 39928 1028 16 infinity infinity NN 39928 1028 17 in in IN 39928 1028 18 particular particular JJ 39928 1028 19 directions direction NNS 39928 1028 20 , , , 39928 1028 21 _ _ NNP 39928 1028 22 e.g. e.g. RB 39928 1028 23 _ _ NNP 39928 1028 24 in in IN 39928 1028 25 that that DT 39928 1028 26 of of IN 39928 1028 27 the the DT 39928 1028 28 Galaxy Galaxy NNP 39928 1028 29 . . . 39928 1029 1 Be be VB 39928 1029 2 it -PRON- PRP 39928 1029 3 so so RB 39928 1029 4 . . . 39928 1030 1 Where where WRB 39928 1030 2 , , , 39928 1030 3 in in IN 39928 1030 4 the the DT 39928 1030 5 very very RB 39928 1030 6 brightest bright JJS 39928 1030 7 portion portion NN 39928 1030 8 of of IN 39928 1030 9 the the DT 39928 1030 10 Galaxy Galaxy NNP 39928 1030 11 , , , 39928 1030 12 will will MD 39928 1030 13 we -PRON- PRP 39928 1030 14 find find VB 39928 1030 15 a a DT 39928 1030 16 part part NN 39928 1030 17 equal equal JJ 39928 1030 18 in in IN 39928 1030 19 angular angular JJ 39928 1030 20 magnitude magnitude NN 39928 1030 21 to to IN 39928 1030 22 the the DT 39928 1030 23 moon moon NN 39928 1030 24 which which WDT 39928 1030 25 affords afford VBZ 39928 1030 26 us -PRON- PRP 39928 1030 27 the the DT 39928 1030 28 same same JJ 39928 1030 29 quantity quantity NN 39928 1030 30 of of IN 39928 1030 31 light light NN 39928 1030 32 ? ? . 39928 1031 1 In in IN 39928 1031 2 the the DT 39928 1031 3 very very RB 39928 1031 4 brightest bright JJS 39928 1031 5 spot spot NN 39928 1031 6 , , , 39928 1031 7 the the DT 39928 1031 8 light light NN 39928 1031 9 probably probably RB 39928 1031 10 does do VBZ 39928 1031 11 not not RB 39928 1031 12 amount amount VB 39928 1031 13 to to IN 39928 1031 14 one one CD 39928 1031 15 hundredth hundredth JJ 39928 1031 16 part part NN 39928 1031 17 that that DT 39928 1031 18 of of IN 39928 1031 19 the the DT 39928 1031 20 full full JJ 39928 1031 21 moon moon NN 39928 1031 22 . . . 39928 1031 23 ' ' '' 39928 1032 1 It -PRON- PRP 39928 1032 2 follows follow VBZ 39928 1032 3 that that IN 39928 1032 4 , , , 39928 1032 5 even even RB 39928 1032 6 if if IN 39928 1032 7 dark dark JJ 39928 1032 8 stars star NNS 39928 1032 9 were be VBD 39928 1032 10 fifteen fifteen CD 39928 1032 11 million million CD 39928 1032 12 times time NNS 39928 1032 13 as as RB 39928 1032 14 numerous numerous JJ 39928 1032 15 as as IN 39928 1032 16 the the DT 39928 1032 17 bright bright JJ 39928 1032 18 ones one NNS 39928 1032 19 , , , 39928 1032 20 Professor Professor NNP 39928 1032 21 Newcomb Newcomb NNP 39928 1032 22 's 's POS 39928 1032 23 argument argument NN 39928 1032 24 would would MD 39928 1032 25 still still RB 39928 1032 26 apply apply VB 39928 1032 27 against against IN 39928 1032 28 an an DT 39928 1032 29 infinite infinite JJ 39928 1032 30 universe universe NN 39928 1032 31 of of IN 39928 1032 32 stars star NNS 39928 1032 33 of of IN 39928 1032 34 the the DT 39928 1032 35 same same JJ 39928 1032 36 average average JJ 39928 1032 37 density density NN 39928 1032 38 as as IN 39928 1032 39 the the DT 39928 1032 40 portion portion NN 39928 1032 41 we -PRON- PRP 39928 1032 42 see see VBP 39928 1032 43 . . . 39928 1033 1 TELESCOPIC TELESCOPIC NNP 39928 1033 2 EVIDENCE EVIDENCE NNP 39928 1033 3 AS as IN 39928 1033 4 TO to IN 39928 1033 5 THE the DT 39928 1033 6 LIMITS LIMITS NNP 39928 1033 7 OF of IN 39928 1033 8 THE the DT 39928 1033 9 STAR STAR NNP 39928 1033 10 SYSTEM SYSTEM NNP 39928 1033 11 Throughout throughout IN 39928 1033 12 the the DT 39928 1033 13 earlier early JJR 39928 1033 14 portion portion NN 39928 1033 15 of of IN 39928 1033 16 the the DT 39928 1033 17 nineteenth nineteenth JJ 39928 1033 18 century century NN 39928 1033 19 every every DT 39928 1033 20 increase increase NN 39928 1033 21 of of IN 39928 1033 22 power power NN 39928 1033 23 and and CC 39928 1033 24 of of IN 39928 1033 25 light light RB 39928 1033 26 - - HYPH 39928 1033 27 giving give VBG 39928 1033 28 qualities quality NNS 39928 1033 29 of of IN 39928 1033 30 telescopes telescope NNS 39928 1033 31 added add VBN 39928 1033 32 so so RB 39928 1033 33 greatly greatly RB 39928 1033 34 to to IN 39928 1033 35 the the DT 39928 1033 36 number number NN 39928 1033 37 of of IN 39928 1033 38 the the DT 39928 1033 39 stars star NNS 39928 1033 40 which which WDT 39928 1033 41 became become VBD 39928 1033 42 visible visible JJ 39928 1033 43 , , , 39928 1033 44 that that IN 39928 1033 45 it -PRON- PRP 39928 1033 46 was be VBD 39928 1033 47 generally generally RB 39928 1033 48 assumed assume VBN 39928 1033 49 that that IN 39928 1033 50 this this DT 39928 1033 51 increase increase NN 39928 1033 52 would would MD 39928 1033 53 go go VB 39928 1033 54 on on RP 39928 1033 55 indefinitely indefinitely RB 39928 1033 56 , , , 39928 1033 57 and and CC 39928 1033 58 that that IN 39928 1033 59 the the DT 39928 1033 60 stars star NNS 39928 1033 61 were be VBD 39928 1033 62 really really RB 39928 1033 63 infinite infinite JJ 39928 1033 64 in in IN 39928 1033 65 number number NN 39928 1033 66 and and CC 39928 1033 67 could could MD 39928 1033 68 not not RB 39928 1033 69 be be VB 39928 1033 70 exhausted exhaust VBN 39928 1033 71 . . . 39928 1034 1 But but CC 39928 1034 2 of of IN 39928 1034 3 late late JJ 39928 1034 4 years year NNS 39928 1034 5 it -PRON- PRP 39928 1034 6 has have VBZ 39928 1034 7 been be VBN 39928 1034 8 found find VBN 39928 1034 9 that that IN 39928 1034 10 the the DT 39928 1034 11 increase increase NN 39928 1034 12 in in IN 39928 1034 13 the the DT 39928 1034 14 number number NN 39928 1034 15 of of IN 39928 1034 16 stars star NNS 39928 1034 17 visible visible JJ 39928 1034 18 in in IN 39928 1034 19 the the DT 39928 1034 20 larger large JJR 39928 1034 21 telescopes telescope NNS 39928 1034 22 was be VBD 39928 1034 23 not not RB 39928 1034 24 so so RB 39928 1034 25 great great JJ 39928 1034 26 as as IN 39928 1034 27 might may MD 39928 1034 28 be be VB 39928 1034 29 expected expect VBN 39928 1034 30 , , , 39928 1034 31 while while IN 39928 1034 32 in in IN 39928 1034 33 many many JJ 39928 1034 34 parts part NNS 39928 1034 35 of of IN 39928 1034 36 the the DT 39928 1034 37 heavens heavens NNPS 39928 1034 38 a a DT 39928 1034 39 longer long JJR 39928 1034 40 exposure exposure NN 39928 1034 41 of of IN 39928 1034 42 the the DT 39928 1034 43 photographic photographic JJ 39928 1034 44 plate plate NN 39928 1034 45 adds add VBZ 39928 1034 46 comparatively comparatively RB 39928 1034 47 little little JJ 39928 1034 48 to to IN 39928 1034 49 the the DT 39928 1034 50 number number NN 39928 1034 51 of of IN 39928 1034 52 stars star NNS 39928 1034 53 obtained obtain VBN 39928 1034 54 by by IN 39928 1034 55 a a DT 39928 1034 56 shorter short JJR 39928 1034 57 exposure exposure NN 39928 1034 58 with with IN 39928 1034 59 the the DT 39928 1034 60 same same JJ 39928 1034 61 instrument instrument NN 39928 1034 62 . . . 39928 1035 1 Mr. Mr. NNP 39928 1035 2 J.E. J.E. NNP 39928 1036 1 Gore Gore NNP 39928 1036 2 's 's POS 39928 1036 3 testimony testimony NN 39928 1036 4 on on IN 39928 1036 5 this this DT 39928 1036 6 point point NN 39928 1036 7 is be VBZ 39928 1036 8 very very RB 39928 1036 9 clear clear JJ 39928 1036 10 . . . 39928 1037 1 He -PRON- PRP 39928 1037 2 says:--'Those says:--'Those VBD 39928 1037 3 who who WP 39928 1037 4 do do VBP 39928 1037 5 not not RB 39928 1037 6 give give VB 39928 1037 7 the the DT 39928 1037 8 subject subject JJ 39928 1037 9 sufficient sufficient JJ 39928 1037 10 consideration consideration NN 39928 1037 11 , , , 39928 1037 12 seem seem VBP 39928 1037 13 to to TO 39928 1037 14 think think VB 39928 1037 15 that that IN 39928 1037 16 the the DT 39928 1037 17 number number NN 39928 1037 18 of of IN 39928 1037 19 the the DT 39928 1037 20 stars star NNS 39928 1037 21 is be VBZ 39928 1037 22 practically practically RB 39928 1037 23 infinite infinite JJ 39928 1037 24 , , , 39928 1037 25 or or CC 39928 1037 26 at at IN 39928 1037 27 least least JJS 39928 1037 28 , , , 39928 1037 29 that that IN 39928 1037 30 the the DT 39928 1037 31 number number NN 39928 1037 32 is be VBZ 39928 1037 33 so so RB 39928 1037 34 great great JJ 39928 1037 35 that that IN 39928 1037 36 it -PRON- PRP 39928 1037 37 can can MD 39928 1037 38 not not RB 39928 1037 39 be be VB 39928 1037 40 estimated estimate VBN 39928 1037 41 . . . 39928 1038 1 But but CC 39928 1038 2 this this DT 39928 1038 3 idea idea NN 39928 1038 4 is be VBZ 39928 1038 5 totally totally RB 39928 1038 6 incorrect incorrect JJ 39928 1038 7 , , , 39928 1038 8 and and CC 39928 1038 9 due due IN 39928 1038 10 to to TO 39928 1038 11 complete complete JJ 39928 1038 12 ignorance ignorance NN 39928 1038 13 of of IN 39928 1038 14 telescopic telescopic JJ 39928 1038 15 revelations revelation NNS 39928 1038 16 . . . 39928 1039 1 It -PRON- PRP 39928 1039 2 is be VBZ 39928 1039 3 certainly certainly RB 39928 1039 4 true true JJ 39928 1039 5 that that IN 39928 1039 6 , , , 39928 1039 7 to to IN 39928 1039 8 a a DT 39928 1039 9 certain certain JJ 39928 1039 10 extent extent NN 39928 1039 11 , , , 39928 1039 12 the the DT 39928 1039 13 larger large JJR 39928 1039 14 the the DT 39928 1039 15 telescope telescope NN 39928 1039 16 used use VBN 39928 1039 17 in in IN 39928 1039 18 the the DT 39928 1039 19 examination examination NN 39928 1039 20 of of IN 39928 1039 21 the the DT 39928 1039 22 heavens heavens NNPS 39928 1039 23 , , , 39928 1039 24 the the DT 39928 1039 25 more more JJR 39928 1039 26 the the DT 39928 1039 27 number number NN 39928 1039 28 of of IN 39928 1039 29 the the DT 39928 1039 30 stars star NNS 39928 1039 31 seems seem VBZ 39928 1039 32 to to TO 39928 1039 33 increase increase VB 39928 1039 34 ; ; : 39928 1039 35 but but CC 39928 1039 36 we -PRON- PRP 39928 1039 37 now now RB 39928 1039 38 know know VBP 39928 1039 39 that that IN 39928 1039 40 there there EX 39928 1039 41 is be VBZ 39928 1039 42 a a DT 39928 1039 43 limit limit NN 39928 1039 44 to to IN 39928 1039 45 this this DT 39928 1039 46 increase increase NN 39928 1039 47 of of IN 39928 1039 48 telescopic telescopic JJ 39928 1039 49 vision vision NN 39928 1039 50 . . . 39928 1040 1 And and CC 39928 1040 2 the the DT 39928 1040 3 evidence evidence NN 39928 1040 4 clearly clearly RB 39928 1040 5 shows show VBZ 39928 1040 6 that that IN 39928 1040 7 we -PRON- PRP 39928 1040 8 are be VBP 39928 1040 9 rapidly rapidly RB 39928 1040 10 approaching approach VBG 39928 1040 11 this this DT 39928 1040 12 limit limit NN 39928 1040 13 . . . 39928 1041 1 Although although IN 39928 1041 2 the the DT 39928 1041 3 number number NN 39928 1041 4 of of IN 39928 1041 5 stars star NNS 39928 1041 6 visible visible JJ 39928 1041 7 in in IN 39928 1041 8 the the DT 39928 1041 9 Pleiades pleiade NNS 39928 1041 10 rapidly rapidly RB 39928 1041 11 increases increase VBZ 39928 1041 12 at at IN 39928 1041 13 first first RB 39928 1041 14 with with IN 39928 1041 15 increase increase NN 39928 1041 16 in in IN 39928 1041 17 the the DT 39928 1041 18 size size NN 39928 1041 19 of of IN 39928 1041 20 the the DT 39928 1041 21 telescope telescope NN 39928 1041 22 used use VBN 39928 1041 23 , , , 39928 1041 24 and and CC 39928 1041 25 although although IN 39928 1041 26 photography photography NN 39928 1041 27 has have VBZ 39928 1041 28 still still RB 39928 1041 29 further further RB 39928 1041 30 increased increase VBN 39928 1041 31 the the DT 39928 1041 32 number number NN 39928 1041 33 of of IN 39928 1041 34 stars star NNS 39928 1041 35 in in IN 39928 1041 36 this this DT 39928 1041 37 remarkable remarkable JJ 39928 1041 38 cluster cluster NN 39928 1041 39 , , , 39928 1041 40 it -PRON- PRP 39928 1041 41 has have VBZ 39928 1041 42 recently recently RB 39928 1041 43 been be VBN 39928 1041 44 found find VBN 39928 1041 45 that that IN 39928 1041 46 an an DT 39928 1041 47 increased increase VBN 39928 1041 48 length length NN 39928 1041 49 of of IN 39928 1041 50 exposure exposure NN 39928 1041 51 -- -- : 39928 1041 52 beyond beyond IN 39928 1041 53 three three CD 39928 1041 54 hours hour NNS 39928 1041 55 -- -- : 39928 1041 56 adds add VBZ 39928 1041 57 very very RB 39928 1041 58 few few JJ 39928 1041 59 stars star NNS 39928 1041 60 to to IN 39928 1041 61 the the DT 39928 1041 62 number number NN 39928 1041 63 visible visible JJ 39928 1041 64 on on IN 39928 1041 65 the the DT 39928 1041 66 photograph photograph NN 39928 1041 67 taken take VBN 39928 1041 68 at at IN 39928 1041 69 the the DT 39928 1041 70 Paris Paris NNP 39928 1041 71 Observatory Observatory NNP 39928 1041 72 in in IN 39928 1041 73 1885 1885 CD 39928 1041 74 , , , 39928 1041 75 on on IN 39928 1041 76 which which WDT 39928 1041 77 over over IN 39928 1041 78 two two CD 39928 1041 79 thousand thousand CD 39928 1041 80 stars star NNS 39928 1041 81 can can MD 39928 1041 82 be be VB 39928 1041 83 counted count VBN 39928 1041 84 . . . 39928 1042 1 Even even RB 39928 1042 2 with with IN 39928 1042 3 this this DT 39928 1042 4 great great JJ 39928 1042 5 number number NN 39928 1042 6 on on IN 39928 1042 7 so so RB 39928 1042 8 small small JJ 39928 1042 9 an an DT 39928 1042 10 area area NN 39928 1042 11 of of IN 39928 1042 12 the the DT 39928 1042 13 heavens heavens NNPS 39928 1042 14 , , , 39928 1042 15 comparatively comparatively RB 39928 1042 16 large large JJ 39928 1042 17 vacant vacant JJ 39928 1042 18 places place NNS 39928 1042 19 are be VBP 39928 1042 20 visible visible JJ 39928 1042 21 between between IN 39928 1042 22 the the DT 39928 1042 23 stars star NNS 39928 1042 24 , , , 39928 1042 25 and and CC 39928 1042 26 a a DT 39928 1042 27 glance glance NN 39928 1042 28 at at IN 39928 1042 29 the the DT 39928 1042 30 original original JJ 39928 1042 31 photograph photograph NN 39928 1042 32 is be VBZ 39928 1042 33 sufficient sufficient JJ 39928 1042 34 to to TO 39928 1042 35 show show VB 39928 1042 36 that that IN 39928 1042 37 there there EX 39928 1042 38 would would MD 39928 1042 39 be be VB 39928 1042 40 ample ample JJ 39928 1042 41 room room NN 39928 1042 42 for for IN 39928 1042 43 many many JJ 39928 1042 44 times time NNS 39928 1042 45 the the DT 39928 1042 46 number number NN 39928 1042 47 actually actually RB 39928 1042 48 visible visible JJ 39928 1042 49 . . . 39928 1043 1 I -PRON- PRP 39928 1043 2 find find VBP 39928 1043 3 that that IN 39928 1043 4 if if IN 39928 1043 5 the the DT 39928 1043 6 whole whole JJ 39928 1043 7 heavens heaven NNS 39928 1043 8 were be VBD 39928 1043 9 as as RB 39928 1043 10 rich rich JJ 39928 1043 11 in in IN 39928 1043 12 stars star NNS 39928 1043 13 as as IN 39928 1043 14 the the DT 39928 1043 15 Pleiades Pleiades NNPS 39928 1043 16 , , , 39928 1043 17 there there EX 39928 1043 18 would would MD 39928 1043 19 be be VB 39928 1043 20 only only RB 39928 1043 21 thirty thirty CD 39928 1043 22 - - HYPH 39928 1043 23 three three CD 39928 1043 24 millions million NNS 39928 1043 25 in in IN 39928 1043 26 both both DT 39928 1043 27 hemispheres hemisphere NNS 39928 1043 28 . . . 39928 1043 29 ' ' '' 39928 1044 1 Again again RB 39928 1044 2 , , , 39928 1044 3 referring refer VBG 39928 1044 4 to to IN 39928 1044 5 the the DT 39928 1044 6 fact fact NN 39928 1044 7 that that IN 39928 1044 8 Celoria Celoria NNP 39928 1044 9 , , , 39928 1044 10 with with IN 39928 1044 11 a a DT 39928 1044 12 telescope telescope NN 39928 1044 13 showing show VBG 39928 1044 14 stars star NNS 39928 1044 15 down down RP 39928 1044 16 to to IN 39928 1044 17 the the DT 39928 1044 18 eleventh eleventh JJ 39928 1044 19 magnitude magnitude NN 39928 1044 20 , , , 39928 1044 21 could could MD 39928 1044 22 see see VB 39928 1044 23 almost almost RB 39928 1044 24 exactly exactly RB 39928 1044 25 the the DT 39928 1044 26 same same JJ 39928 1044 27 number number NN 39928 1044 28 of of IN 39928 1044 29 stars star NNS 39928 1044 30 near near IN 39928 1044 31 the the DT 39928 1044 32 north north NNP 39928 1044 33 pole pole NN 39928 1044 34 of of IN 39928 1044 35 the the DT 39928 1044 36 Galaxy Galaxy NNP 39928 1044 37 as as IN 39928 1044 38 Sir Sir NNP 39928 1044 39 William William NNP 39928 1044 40 Herschel Herschel NNP 39928 1044 41 found find VBD 39928 1044 42 with with IN 39928 1044 43 his -PRON- PRP$ 39928 1044 44 much much RB 39928 1044 45 larger large JJR 39928 1044 46 and and CC 39928 1044 47 more more RBR 39928 1044 48 powerful powerful JJ 39928 1044 49 telescope telescope NN 39928 1044 50 , , , 39928 1044 51 he -PRON- PRP 39928 1044 52 remarks remark VBZ 39928 1044 53 : : : 39928 1044 54 ' ' `` 39928 1044 55 Their -PRON- PRP$ 39928 1044 56 absence absence NN 39928 1044 57 , , , 39928 1044 58 therefore therefore RB 39928 1044 59 , , , 39928 1044 60 seems seem VBZ 39928 1044 61 certain certain JJ 39928 1044 62 proof proof NN 39928 1044 63 that that IN 39928 1044 64 very very RB 39928 1044 65 faint faint JJ 39928 1044 66 stars star NNS 39928 1044 67 do do VBP 39928 1044 68 _ _ NNP 39928 1044 69 not not RB 39928 1044 70 _ _ NNP 39928 1044 71 exist exist VBP 39928 1044 72 in in IN 39928 1044 73 that that DT 39928 1044 74 direction direction NN 39928 1044 75 , , , 39928 1044 76 and and CC 39928 1044 77 that that IN 39928 1044 78 here here RB 39928 1044 79 , , , 39928 1044 80 at at IN 39928 1044 81 least least JJS 39928 1044 82 , , , 39928 1044 83 the the DT 39928 1044 84 sidereal sidereal JJ 39928 1044 85 universe universe NN 39928 1044 86 is be VBZ 39928 1044 87 limited limit VBN 39928 1044 88 in in IN 39928 1044 89 extent extent NN 39928 1044 90 . . . 39928 1044 91 ' ' '' 39928 1045 1 Sir Sir NNP 39928 1045 2 John John NNP 39928 1045 3 Herschel Herschel NNP 39928 1045 4 notes note VBZ 39928 1045 5 the the DT 39928 1045 6 same same JJ 39928 1045 7 phenomena phenomena NN 39928 1045 8 , , , 39928 1045 9 stating state VBG 39928 1045 10 that that IN 39928 1045 11 even even RB 39928 1045 12 in in IN 39928 1045 13 the the DT 39928 1045 14 Milky Milky NNP 39928 1045 15 Way Way NNP 39928 1045 16 there there EX 39928 1045 17 are be VBP 39928 1045 18 found find VBN 39928 1045 19 ' ' '' 39928 1045 20 spaces space NNS 39928 1045 21 absolutely absolutely RB 39928 1045 22 dark dark JJ 39928 1045 23 _ _ NNP 39928 1045 24 and and CC 39928 1045 25 completely completely RB 39928 1045 26 void void JJ 39928 1045 27 of of IN 39928 1045 28 any any DT 39928 1045 29 star star NN 39928 1045 30 _ _ NNP 39928 1045 31 , , , 39928 1045 32 even even RB 39928 1045 33 of of IN 39928 1045 34 the the DT 39928 1045 35 smallest small JJS 39928 1045 36 telescopic telescopic NN 39928 1045 37 magnitude magnitude NN 39928 1045 38 ' ' '' 39928 1045 39 ; ; : 39928 1045 40 while while IN 39928 1045 41 in in IN 39928 1045 42 other other JJ 39928 1045 43 parts part NNS 39928 1045 44 ' ' POS 39928 1045 45 extremely extremely RB 39928 1045 46 minute minute JJ 39928 1045 47 stars star NNS 39928 1045 48 , , , 39928 1045 49 though though IN 39928 1045 50 never never RB 39928 1045 51 altogether altogether RB 39928 1045 52 wanting want VBG 39928 1045 53 , , , 39928 1045 54 occur occur VB 39928 1045 55 in in IN 39928 1045 56 numbers number NNS 39928 1045 57 so so RB 39928 1045 58 moderate moderate JJ 39928 1045 59 as as IN 39928 1045 60 to to TO 39928 1045 61 lead lead VB 39928 1045 62 us -PRON- PRP 39928 1045 63 irresistibly irresistibly RB 39928 1045 64 to to IN 39928 1045 65 the the DT 39928 1045 66 conclusion conclusion NN 39928 1045 67 that that IN 39928 1045 68 in in IN 39928 1045 69 these these DT 39928 1045 70 regions region NNS 39928 1045 71 we -PRON- PRP 39928 1045 72 see see VBP 39928 1045 73 _ _ NNP 39928 1045 74 fairly fairly RB 39928 1045 75 through through IN 39928 1045 76 _ _ NNP 39928 1045 77 the the DT 39928 1045 78 starry starry NN 39928 1045 79 stratum stratum NN 39928 1045 80 , , , 39928 1045 81 since since IN 39928 1045 82 it -PRON- PRP 39928 1045 83 is be VBZ 39928 1045 84 impossible impossible JJ 39928 1045 85 otherwise otherwise RB 39928 1045 86 ( ( -LRB- 39928 1045 87 supposing suppose VBG 39928 1045 88 their -PRON- PRP$ 39928 1045 89 light light NN 39928 1045 90 not not RB 39928 1045 91 intercepted intercept VBN 39928 1045 92 ) ) -RRB- 39928 1045 93 that that IN 39928 1045 94 the the DT 39928 1045 95 numbers number NNS 39928 1045 96 of of IN 39928 1045 97 the the DT 39928 1045 98 smaller small JJR 39928 1045 99 magnitudes magnitude NNS 39928 1045 100 should should MD 39928 1045 101 not not RB 39928 1045 102 go go VB 39928 1045 103 on on RP 39928 1045 104 continually continually RB 39928 1045 105 increasing increase VBG 39928 1045 106 ad ad NN 39928 1045 107 infinitum infinitum RB 39928 1045 108 . . . 39928 1046 1 In in IN 39928 1046 2 such such JJ 39928 1046 3 cases case NNS 39928 1046 4 , , , 39928 1046 5 moreover moreover RB 39928 1046 6 , , , 39928 1046 7 the the DT 39928 1046 8 ground ground NN 39928 1046 9 of of IN 39928 1046 10 the the DT 39928 1046 11 heavens heavens NNPS 39928 1046 12 , , , 39928 1046 13 as as IN 39928 1046 14 seen see VBN 39928 1046 15 between between IN 39928 1046 16 the the DT 39928 1046 17 stars star NNS 39928 1046 18 , , , 39928 1046 19 is be VBZ 39928 1046 20 for for IN 39928 1046 21 the the DT 39928 1046 22 most most JJS 39928 1046 23 part part NN 39928 1046 24 perfectly perfectly RB 39928 1046 25 dark dark JJ 39928 1046 26 , , , 39928 1046 27 which which WDT 39928 1046 28 again again RB 39928 1046 29 would would MD 39928 1046 30 not not RB 39928 1046 31 be be VB 39928 1046 32 the the DT 39928 1046 33 case case NN 39928 1046 34 if if IN 39928 1046 35 innumerable innumerable JJ 39928 1046 36 multitudes multitude NNS 39928 1046 37 of of IN 39928 1046 38 stars star NNS 39928 1046 39 , , , 39928 1046 40 too too RB 39928 1046 41 minute minute JJ 39928 1046 42 to to TO 39928 1046 43 be be VB 39928 1046 44 individually individually RB 39928 1046 45 discernible discernible JJ 39928 1046 46 , , , 39928 1046 47 existed exist VBD 39928 1046 48 beyond beyond RB 39928 1046 49 . . . 39928 1046 50 ' ' '' 39928 1047 1 And and CC 39928 1047 2 again again RB 39928 1047 3 he -PRON- PRP 39928 1047 4 sums sum VBZ 39928 1047 5 up up RP 39928 1047 6 as as IN 39928 1047 7 follows:--'Throughout follows:--'throughout NN 39928 1047 8 by by IN 39928 1047 9 far far RB 39928 1047 10 the the DT 39928 1047 11 larger large JJR 39928 1047 12 portion portion NN 39928 1047 13 of of IN 39928 1047 14 the the DT 39928 1047 15 extent extent NN 39928 1047 16 of of IN 39928 1047 17 the the DT 39928 1047 18 Milky Milky NNP 39928 1047 19 Way Way NNP 39928 1047 20 in in IN 39928 1047 21 both both DT 39928 1047 22 hemispheres hemisphere NNS 39928 1047 23 , , , 39928 1047 24 the the DT 39928 1047 25 general general JJ 39928 1047 26 blackness blackness NN 39928 1047 27 of of IN 39928 1047 28 the the DT 39928 1047 29 ground ground NN 39928 1047 30 of of IN 39928 1047 31 the the DT 39928 1047 32 heavens heavens NNPS 39928 1047 33 on on IN 39928 1047 34 which which WDT 39928 1047 35 its -PRON- PRP$ 39928 1047 36 stars star NNS 39928 1047 37 are be VBP 39928 1047 38 projected project VBN 39928 1047 39 , , , 39928 1047 40 and and CC 39928 1047 41 the the DT 39928 1047 42 absence absence NN 39928 1047 43 of of IN 39928 1047 44 that that DT 39928 1047 45 innumerable innumerable JJ 39928 1047 46 multitude multitude NN 39928 1047 47 and and CC 39928 1047 48 excessive excessive JJ 39928 1047 49 crowding crowding NN 39928 1047 50 of of IN 39928 1047 51 the the DT 39928 1047 52 smallest small JJS 39928 1047 53 visible visible JJ 39928 1047 54 magnitudes magnitude NNS 39928 1047 55 , , , 39928 1047 56 and and CC 39928 1047 57 of of IN 39928 1047 58 glare glare NN 39928 1047 59 produced produce VBN 39928 1047 60 by by IN 39928 1047 61 the the DT 39928 1047 62 aggregate aggregate JJ 39928 1047 63 light light NN 39928 1047 64 of of IN 39928 1047 65 multitudes multitude NNS 39928 1047 66 too too RB 39928 1047 67 small small JJ 39928 1047 68 to to TO 39928 1047 69 affect affect VB 39928 1047 70 the the DT 39928 1047 71 eye eye NN 39928 1047 72 singly singly RB 39928 1047 73 , , , 39928 1047 74 which which WDT 39928 1047 75 the the DT 39928 1047 76 contrary contrary JJ 39928 1047 77 supposition supposition NN 39928 1047 78 would would MD 39928 1047 79 appear appear VB 39928 1047 80 to to TO 39928 1047 81 necessitate necessitate VB 39928 1047 82 , , , 39928 1047 83 must must MD 39928 1047 84 , , , 39928 1047 85 we -PRON- PRP 39928 1047 86 think think VBP 39928 1047 87 , , , 39928 1047 88 be be VB 39928 1047 89 considered consider VBN 39928 1047 90 unequivocal unequivocal JJ 39928 1047 91 indications indication NNS 39928 1047 92 that that IN 39928 1047 93 its -PRON- PRP$ 39928 1047 94 dimensions dimension NNS 39928 1047 95 _ _ NNP 39928 1047 96 in in IN 39928 1047 97 directions direction NNS 39928 1047 98 where where WRB 39928 1047 99 these these DT 39928 1047 100 conditions condition NNS 39928 1047 101 obtain obtain VBP 39928 1047 102 _ _ NNP 39928 1047 103 , , , 39928 1047 104 are be VBP 39928 1047 105 not not RB 39928 1047 106 only only RB 39928 1047 107 not not RB 39928 1047 108 infinite infinite JJ 39928 1047 109 , , , 39928 1047 110 but but CC 39928 1047 111 that that IN 39928 1047 112 the the DT 39928 1047 113 space space NN 39928 1047 114 - - HYPH 39928 1047 115 penetrating penetrate VBG 39928 1047 116 power power NN 39928 1047 117 of of IN 39928 1047 118 our -PRON- PRP$ 39928 1047 119 telescopes telescope NNS 39928 1047 120 suffices suffice VBZ 39928 1047 121 fairly fairly RB 39928 1047 122 to to TO 39928 1047 123 pierce pierce VB 39928 1047 124 through through IN 39928 1047 125 and and CC 39928 1047 126 beyond beyond IN 39928 1047 127 it -PRON- PRP 39928 1047 128 . . . 39928 1048 1 ' ' `` 39928 1048 2 [ [ -LRB- 39928 1048 3 2 2 LS 39928 1048 4 ] ] -RRB- 39928 1048 5 This this DT 39928 1048 6 expression expression NN 39928 1048 7 of of IN 39928 1048 8 opinion opinion NN 39928 1048 9 by by IN 39928 1048 10 the the DT 39928 1048 11 astronomer astronomer NN 39928 1048 12 who who WP 39928 1048 13 , , , 39928 1048 14 probably probably RB 39928 1048 15 beyond beyond IN 39928 1048 16 any any DT 39928 1048 17 now now RB 39928 1048 18 living live VBG 39928 1048 19 , , , 39928 1048 20 was be VBD 39928 1048 21 the the DT 39928 1048 22 most most RBS 39928 1048 23 competent competent JJ 39928 1048 24 authority authority NN 39928 1048 25 on on IN 39928 1048 26 this this DT 39928 1048 27 question question NN 39928 1048 28 , , , 39928 1048 29 to to TO 39928 1048 30 which which WDT 39928 1048 31 he -PRON- PRP 39928 1048 32 devoted devote VBD 39928 1048 33 a a DT 39928 1048 34 long long JJ 39928 1048 35 life life NN 39928 1048 36 of of IN 39928 1048 37 observation observation NN 39928 1048 38 and and CC 39928 1048 39 study study NN 39928 1048 40 extending extend VBG 39928 1048 41 over over IN 39928 1048 42 the the DT 39928 1048 43 whole whole JJ 39928 1048 44 heavens heaven NNS 39928 1048 45 , , , 39928 1048 46 can can MD 39928 1048 47 not not RB 39928 1048 48 be be VB 39928 1048 49 lightly lightly RB 39928 1048 50 set set VBN 39928 1048 51 aside aside RB 39928 1048 52 by by IN 39928 1048 53 the the DT 39928 1048 54 opinions opinion NNS 39928 1048 55 or or CC 39928 1048 56 conjectures conjecture NNS 39928 1048 57 of of IN 39928 1048 58 those those DT 39928 1048 59 who who WP 39928 1048 60 seem seem VBP 39928 1048 61 to to TO 39928 1048 62 assume assume VB 39928 1048 63 that that IN 39928 1048 64 we -PRON- PRP 39928 1048 65 must must MD 39928 1048 66 believe believe VB 39928 1048 67 in in IN 39928 1048 68 an an DT 39928 1048 69 infinity infinity NN 39928 1048 70 of of IN 39928 1048 71 stars star NNS 39928 1048 72 if if IN 39928 1048 73 the the DT 39928 1048 74 contrary contrary NN 39928 1048 75 can can MD 39928 1048 76 not not RB 39928 1048 77 be be VB 39928 1048 78 absolutely absolutely RB 39928 1048 79 proved prove VBN 39928 1048 80 . . . 39928 1049 1 But but CC 39928 1049 2 as as IN 39928 1049 3 not not RB 39928 1049 4 a a DT 39928 1049 5 particle particle NN 39928 1049 6 of of IN 39928 1049 7 evidence evidence NN 39928 1049 8 can can MD 39928 1049 9 be be VB 39928 1049 10 adduced adduce VBN 39928 1049 11 to to TO 39928 1049 12 prove prove VB 39928 1049 13 infinity infinity NN 39928 1049 14 , , , 39928 1049 15 and and CC 39928 1049 16 as as IN 39928 1049 17 all all PDT 39928 1049 18 the the DT 39928 1049 19 facts fact NNS 39928 1049 20 and and CC 39928 1049 21 indications indication NNS 39928 1049 22 point point VBP 39928 1049 23 , , , 39928 1049 24 as as IN 39928 1049 25 here here RB 39928 1049 26 shown show VBN 39928 1049 27 , , , 39928 1049 28 in in IN 39928 1049 29 a a DT 39928 1049 30 directly directly RB 39928 1049 31 opposite opposite JJ 39928 1049 32 direction direction NN 39928 1049 33 , , , 39928 1049 34 we -PRON- PRP 39928 1049 35 must must MD 39928 1049 36 , , , 39928 1049 37 if if IN 39928 1049 38 we -PRON- PRP 39928 1049 39 are be VBP 39928 1049 40 to to TO 39928 1049 41 trust trust VB 39928 1049 42 to to IN 39928 1049 43 evidence evidence NN 39928 1049 44 at at RB 39928 1049 45 all all RB 39928 1049 46 in in IN 39928 1049 47 this this DT 39928 1049 48 matter matter NN 39928 1049 49 , , , 39928 1049 50 arrive arrive VBP 39928 1049 51 at at IN 39928 1049 52 the the DT 39928 1049 53 conclusion conclusion NN 39928 1049 54 that that IN 39928 1049 55 the the DT 39928 1049 56 universe universe NN 39928 1049 57 of of IN 39928 1049 58 stars star NNS 39928 1049 59 is be VBZ 39928 1049 60 limited limit VBN 39928 1049 61 in in IN 39928 1049 62 extent extent NN 39928 1049 63 . . . 39928 1050 1 Dr. Dr. NNP 39928 1050 2 Isaac Isaac NNP 39928 1050 3 Roberts Roberts NNP 39928 1050 4 gives give VBZ 39928 1050 5 similar similar JJ 39928 1050 6 evidence evidence NN 39928 1050 7 as as IN 39928 1050 8 regards regard VBZ 39928 1050 9 the the DT 39928 1050 10 use use NN 39928 1050 11 of of IN 39928 1050 12 photographic photographic JJ 39928 1050 13 plates plate NNS 39928 1050 14 . . . 39928 1051 1 He -PRON- PRP 39928 1051 2 writes:--'Eleven writes:--'eleven CD 39928 1051 3 years year NNS 39928 1051 4 ago ago RB 39928 1051 5 photographs photograph NNS 39928 1051 6 of of IN 39928 1051 7 the the DT 39928 1051 8 Great Great NNP 39928 1051 9 Nebula Nebula NNP 39928 1051 10 in in IN 39928 1051 11 _ _ NNP 39928 1051 12 Andromeda Andromeda NNP 39928 1051 13 _ _ NNP 39928 1051 14 were be VBD 39928 1051 15 taken take VBN 39928 1051 16 with with IN 39928 1051 17 the the DT 39928 1051 18 20-inch 20-inch CD 39928 1051 19 reflector reflector NN 39928 1051 20 , , , 39928 1051 21 and and CC 39928 1051 22 exposures exposure NNS 39928 1051 23 of of IN 39928 1051 24 the the DT 39928 1051 25 plates plate NNS 39928 1051 26 during during IN 39928 1051 27 intervals interval NNS 39928 1051 28 up up IN 39928 1051 29 to to TO 39928 1051 30 four four CD 39928 1051 31 hours hour NNS 39928 1051 32 ; ; : 39928 1051 33 and and CC 39928 1051 34 upon upon IN 39928 1051 35 some some DT 39928 1051 36 of of IN 39928 1051 37 them -PRON- PRP 39928 1051 38 were be VBD 39928 1051 39 depicted depict VBN 39928 1051 40 stars star NNS 39928 1051 41 to to IN 39928 1051 42 the the DT 39928 1051 43 faintness faintness NN 39928 1051 44 of of IN 39928 1051 45 17th 17th NN 39928 1051 46 to to IN 39928 1051 47 18th 18th JJ 39928 1051 48 magnitude magnitude NN 39928 1051 49 , , , 39928 1051 50 and and CC 39928 1051 51 nebulosity nebulosity NN 39928 1051 52 to to IN 39928 1051 53 an an DT 39928 1051 54 equal equal JJ 39928 1051 55 degree degree NN 39928 1051 56 of of IN 39928 1051 57 faintness faintness NN 39928 1051 58 . . . 39928 1052 1 The the DT 39928 1052 2 films film NNS 39928 1052 3 of of IN 39928 1052 4 the the DT 39928 1052 5 plates plate NNS 39928 1052 6 obtainable obtainable JJ 39928 1052 7 in in IN 39928 1052 8 those those DT 39928 1052 9 days day NNS 39928 1052 10 were be VBD 39928 1052 11 less less RBR 39928 1052 12 sensitive sensitive JJ 39928 1052 13 than than IN 39928 1052 14 those those DT 39928 1052 15 which which WDT 39928 1052 16 have have VBP 39928 1052 17 been be VBN 39928 1052 18 available available JJ 39928 1052 19 during during IN 39928 1052 20 the the DT 39928 1052 21 past past JJ 39928 1052 22 five five CD 39928 1052 23 years year NNS 39928 1052 24 , , , 39928 1052 25 and and CC 39928 1052 26 during during IN 39928 1052 27 this this DT 39928 1052 28 period period NN 39928 1052 29 photographs photograph NNS 39928 1052 30 of of IN 39928 1052 31 the the DT 39928 1052 32 nebula nebula NN 39928 1052 33 with with IN 39928 1052 34 exposures exposure NNS 39928 1052 35 up up IN 39928 1052 36 to to TO 39928 1052 37 four four CD 39928 1052 38 hours hour NNS 39928 1052 39 have have VBP 39928 1052 40 been be VBN 39928 1052 41 taken take VBN 39928 1052 42 with with IN 39928 1052 43 the the DT 39928 1052 44 20-inch 20-inch CD 39928 1052 45 reflector reflector NN 39928 1052 46 . . . 39928 1053 1 No no DT 39928 1053 2 extensions extension NNS 39928 1053 3 of of IN 39928 1053 4 the the DT 39928 1053 5 nebulosity nebulosity NN 39928 1053 6 , , , 39928 1053 7 however however RB 39928 1053 8 , , , 39928 1053 9 nor nor CC 39928 1053 10 increase increase VB 39928 1053 11 in in IN 39928 1053 12 the the DT 39928 1053 13 number number NN 39928 1053 14 of of IN 39928 1053 15 the the DT 39928 1053 16 stars star NNS 39928 1053 17 can can MD 39928 1053 18 be be VB 39928 1053 19 seen see VBN 39928 1053 20 on on IN 39928 1053 21 the the DT 39928 1053 22 later later JJ 39928 1053 23 rapid rapid JJ 39928 1053 24 plates plate NNS 39928 1053 25 than than IN 39928 1053 26 were be VBD 39928 1053 27 depicted depict VBN 39928 1053 28 upon upon IN 39928 1053 29 the the DT 39928 1053 30 earlier early JJR 39928 1053 31 slower slow JJR 39928 1053 32 ones one NNS 39928 1053 33 , , , 39928 1053 34 though though IN 39928 1053 35 the the DT 39928 1053 36 star star NN 39928 1053 37 - - HYPH 39928 1053 38 images image NNS 39928 1053 39 and and CC 39928 1053 40 the the DT 39928 1053 41 nebulosity nebulosity NN 39928 1053 42 have have VBP 39928 1053 43 greater great JJR 39928 1053 44 density density NN 39928 1053 45 on on IN 39928 1053 46 the the DT 39928 1053 47 later later JJ 39928 1053 48 plates plate NNS 39928 1053 49 . . . 39928 1053 50 ' ' '' 39928 1054 1 Exactly exactly RB 39928 1054 2 similar similar JJ 39928 1054 3 facts fact NNS 39928 1054 4 are be VBP 39928 1054 5 recorded record VBN 39928 1054 6 in in IN 39928 1054 7 the the DT 39928 1054 8 cases case NNS 39928 1054 9 of of IN 39928 1054 10 the the DT 39928 1054 11 Great Great NNP 39928 1054 12 Nebula Nebula NNP 39928 1054 13 in in IN 39928 1054 14 _ _ NNP 39928 1054 15 Orion Orion NNP 39928 1054 16 _ _ NNP 39928 1054 17 , , , 39928 1054 18 and and CC 39928 1054 19 the the DT 39928 1054 20 group group NN 39928 1054 21 of of IN 39928 1054 22 the the DT 39928 1054 23 Pleiades Pleiades NNP 39928 1054 24 . . . 39928 1055 1 In in IN 39928 1055 2 the the DT 39928 1055 3 case case NN 39928 1055 4 of of IN 39928 1055 5 the the DT 39928 1055 6 Milky Milky NNP 39928 1055 7 Way Way NNP 39928 1055 8 in in IN 39928 1055 9 _ _ NNP 39928 1055 10 Cygnus Cygnus NNP 39928 1055 11 _ _ NNP 39928 1055 12 photographs photograph NNS 39928 1055 13 have have VBP 39928 1055 14 been be VBN 39928 1055 15 taken take VBN 39928 1055 16 with with IN 39928 1055 17 the the DT 39928 1055 18 same same JJ 39928 1055 19 instrument instrument NN 39928 1055 20 , , , 39928 1055 21 but but CC 39928 1055 22 with with IN 39928 1055 23 exposures exposure NNS 39928 1055 24 varying vary VBG 39928 1055 25 from from IN 39928 1055 26 one one CD 39928 1055 27 hour hour NN 39928 1055 28 to to IN 39928 1055 29 two two CD 39928 1055 30 hours hour NNS 39928 1055 31 and and CC 39928 1055 32 a a DT 39928 1055 33 half half NN 39928 1055 34 , , , 39928 1055 35 but but CC 39928 1055 36 no no DT 39928 1055 37 fainter fainter NN 39928 1055 38 stars star NNS 39928 1055 39 could could MD 39928 1055 40 be be VB 39928 1055 41 found find VBN 39928 1055 42 on on IN 39928 1055 43 one one CD 39928 1055 44 than than IN 39928 1055 45 on on IN 39928 1055 46 the the DT 39928 1055 47 other other JJ 39928 1055 48 ; ; : 39928 1055 49 and and CC 39928 1055 50 this this DT 39928 1055 51 fact fact NN 39928 1055 52 has have VBZ 39928 1055 53 been be VBN 39928 1055 54 confirmed confirm VBN 39928 1055 55 by by IN 39928 1055 56 similar similar JJ 39928 1055 57 photographs photograph NNS 39928 1055 58 of of IN 39928 1055 59 other other JJ 39928 1055 60 areas area NNS 39928 1055 61 in in IN 39928 1055 62 the the DT 39928 1055 63 sky sky NN 39928 1055 64 . . . 39928 1056 1 THE the DT 39928 1056 2 LAW law NN 39928 1056 3 OF of IN 39928 1056 4 DIMINISHING diminish VBG 39928 1056 5 NUMBERS number NNS 39928 1056 6 OF of IN 39928 1056 7 STARS star NNS 39928 1056 8 We -PRON- PRP 39928 1056 9 will will MD 39928 1056 10 now now RB 39928 1056 11 consider consider VB 39928 1056 12 another another DT 39928 1056 13 kind kind NN 39928 1056 14 of of IN 39928 1056 15 evidence evidence NN 39928 1056 16 equally equally RB 39928 1056 17 weighty weighty JJ 39928 1056 18 with with IN 39928 1056 19 the the DT 39928 1056 20 two two CD 39928 1056 21 already already RB 39928 1056 22 adduced adduce VBN 39928 1056 23 . . . 39928 1057 1 This this DT 39928 1057 2 is be VBZ 39928 1057 3 what what WP 39928 1057 4 may may MD 39928 1057 5 be be VB 39928 1057 6 termed term VBN 39928 1057 7 the the DT 39928 1057 8 law law NN 39928 1057 9 of of IN 39928 1057 10 diminishing diminish VBG 39928 1057 11 numbers number NNS 39928 1057 12 beyond beyond IN 39928 1057 13 a a DT 39928 1057 14 certain certain JJ 39928 1057 15 magnitude magnitude NN 39928 1057 16 , , , 39928 1057 17 as as IN 39928 1057 18 observed observe VBN 39928 1057 19 by by IN 39928 1057 20 larger large JJR 39928 1057 21 and and CC 39928 1057 22 larger large JJR 39928 1057 23 telescopes telescope NNS 39928 1057 24 . . . 39928 1058 1 For for IN 39928 1058 2 some some DT 39928 1058 3 years year NNS 39928 1058 4 past past IN 39928 1058 5 star star NN 39928 1058 6 - - HYPH 39928 1058 7 magnitudes magnitude NNS 39928 1058 8 have have VBP 39928 1058 9 been be VBN 39928 1058 10 determined determine VBN 39928 1058 11 very very RB 39928 1058 12 accurately accurately RB 39928 1058 13 by by IN 39928 1058 14 means mean NNS 39928 1058 15 of of IN 39928 1058 16 careful careful JJ 39928 1058 17 photometric photometric JJ 39928 1058 18 comparisons comparison NNS 39928 1058 19 . . . 39928 1059 1 Down down IN 39928 1059 2 to to IN 39928 1059 3 the the DT 39928 1059 4 sixth sixth JJ 39928 1059 5 magnitude magnitude NN 39928 1059 6 stars star NNS 39928 1059 7 are be VBP 39928 1059 8 visible visible JJ 39928 1059 9 to to IN 39928 1059 10 the the DT 39928 1059 11 naked naked JJ 39928 1059 12 eye eye NN 39928 1059 13 , , , 39928 1059 14 and and CC 39928 1059 15 are be VBP 39928 1059 16 hence hence RB 39928 1059 17 termed term VBN 39928 1059 18 lucid lucid JJ 39928 1059 19 stars star NNS 39928 1059 20 . . . 39928 1060 1 All all DT 39928 1060 2 fainter fainter NN 39928 1060 3 stars star NNS 39928 1060 4 are be VBP 39928 1060 5 telescopic telescopic JJ 39928 1060 6 , , , 39928 1060 7 and and CC 39928 1060 8 continuing continue VBG 39928 1060 9 the the DT 39928 1060 10 magnitudes magnitude NNS 39928 1060 11 in in IN 39928 1060 12 a a DT 39928 1060 13 series series NN 39928 1060 14 in in IN 39928 1060 15 which which WDT 39928 1060 16 the the DT 39928 1060 17 difference difference NN 39928 1060 18 in in IN 39928 1060 19 luminosity luminosity NN 39928 1060 20 between between IN 39928 1060 21 each each DT 39928 1060 22 successive successive JJ 39928 1060 23 magnitude magnitude NN 39928 1060 24 is be VBZ 39928 1060 25 equal equal JJ 39928 1060 26 , , , 39928 1060 27 the the DT 39928 1060 28 seventeenth seventeenth JJ 39928 1060 29 magnitude magnitude NN 39928 1060 30 is be VBZ 39928 1060 31 reached reach VBN 39928 1060 32 and and CC 39928 1060 33 indicates indicate VBZ 39928 1060 34 the the DT 39928 1060 35 range range NN 39928 1060 36 of of IN 39928 1060 37 visibility visibility NN 39928 1060 38 in in IN 39928 1060 39 the the DT 39928 1060 40 largest large JJS 39928 1060 41 telescopes telescope NNS 39928 1060 42 now now RB 39928 1060 43 in in IN 39928 1060 44 existence existence NN 39928 1060 45 . . . 39928 1061 1 By by IN 39928 1061 2 the the DT 39928 1061 3 scale scale NN 39928 1061 4 now now RB 39928 1061 5 used use VBD 39928 1061 6 a a DT 39928 1061 7 star star NN 39928 1061 8 of of IN 39928 1061 9 any any DT 39928 1061 10 magnitude magnitude NN 39928 1061 11 gives give VBZ 39928 1061 12 nearly nearly RB 39928 1061 13 two two CD 39928 1061 14 and and CC 39928 1061 15 a a DT 39928 1061 16 half half NN 39928 1061 17 times time NNS 39928 1061 18 as as RB 39928 1061 19 much much JJ 39928 1061 20 light light NN 39928 1061 21 as as IN 39928 1061 22 one one CD 39928 1061 23 of of IN 39928 1061 24 the the DT 39928 1061 25 next next JJ 39928 1061 26 lower low JJR 39928 1061 27 magnitude magnitude NN 39928 1061 28 , , , 39928 1061 29 and and CC 39928 1061 30 for for IN 39928 1061 31 accurate accurate JJ 39928 1061 32 comparison comparison NN 39928 1061 33 the the DT 39928 1061 34 apparent apparent JJ 39928 1061 35 brightness brightness NN 39928 1061 36 of of IN 39928 1061 37 each each DT 39928 1061 38 star star NN 39928 1061 39 is be VBZ 39928 1061 40 given give VBN 39928 1061 41 to to IN 39928 1061 42 the the DT 39928 1061 43 tenth tenth NN 39928 1061 44 of of IN 39928 1061 45 a a DT 39928 1061 46 magnitude magnitude NN 39928 1061 47 which which WDT 39928 1061 48 can can MD 39928 1061 49 easily easily RB 39928 1061 50 be be VB 39928 1061 51 observed observe VBN 39928 1061 52 . . . 39928 1062 1 Of of RB 39928 1062 2 course course RB 39928 1062 3 , , , 39928 1062 4 owing owe VBG 39928 1062 5 to to IN 39928 1062 6 differences difference NNS 39928 1062 7 in in IN 39928 1062 8 the the DT 39928 1062 9 colour colour NN 39928 1062 10 of of IN 39928 1062 11 stars star NNS 39928 1062 12 , , , 39928 1062 13 these these DT 39928 1062 14 determinations determination NNS 39928 1062 15 can can MD 39928 1062 16 not not RB 39928 1062 17 be be VB 39928 1062 18 made make VBN 39928 1062 19 with with IN 39928 1062 20 perfect perfect JJ 39928 1062 21 accuracy accuracy NN 39928 1062 22 , , , 39928 1062 23 but but CC 39928 1062 24 no no DT 39928 1062 25 important important JJ 39928 1062 26 error error NN 39928 1062 27 is be VBZ 39928 1062 28 due due JJ 39928 1062 29 to to IN 39928 1062 30 this this DT 39928 1062 31 cause cause NN 39928 1062 32 . . . 39928 1063 1 According accord VBG 39928 1063 2 to to IN 39928 1063 3 this this DT 39928 1063 4 scale scale NN 39928 1063 5 a a DT 39928 1063 6 sixth sixth JJ 39928 1063 7 magnitude magnitude NN 39928 1063 8 star star NN 39928 1063 9 gives give VBZ 39928 1063 10 about about RB 39928 1063 11 one one CD 39928 1063 12 - - HYPH 39928 1063 13 hundredth hundredth JJ 39928 1063 14 part part NN 39928 1063 15 of of IN 39928 1063 16 the the DT 39928 1063 17 light light NN 39928 1063 18 of of IN 39928 1063 19 an an DT 39928 1063 20 average average JJ 39928 1063 21 first first JJ 39928 1063 22 magnitude magnitude NN 39928 1063 23 star star NN 39928 1063 24 . . . 39928 1064 1 Sirius sirius NN 39928 1064 2 is be VBZ 39928 1064 3 so so RB 39928 1064 4 exceptionally exceptionally RB 39928 1064 5 bright bright JJ 39928 1064 6 that that IN 39928 1064 7 it -PRON- PRP 39928 1064 8 gives give VBZ 39928 1064 9 nine nine CD 39928 1064 10 times time NNS 39928 1064 11 as as RB 39928 1064 12 much much JJ 39928 1064 13 light light NN 39928 1064 14 as as IN 39928 1064 15 a a DT 39928 1064 16 standard standard JJ 39928 1064 17 or or CC 39928 1064 18 average average JJ 39928 1064 19 first first JJ 39928 1064 20 magnitude magnitude NN 39928 1064 21 star star NN 39928 1064 22 . . . 39928 1065 1 Now now RB 39928 1065 2 it -PRON- PRP 39928 1065 3 is be VBZ 39928 1065 4 found find VBN 39928 1065 5 that that IN 39928 1065 6 from from IN 39928 1065 7 the the DT 39928 1065 8 first first JJ 39928 1065 9 to to IN 39928 1065 10 the the DT 39928 1065 11 sixth sixth JJ 39928 1065 12 magnitude magnitude NN 39928 1065 13 the the DT 39928 1065 14 stars star NNS 39928 1065 15 increase increase VBP 39928 1065 16 in in IN 39928 1065 17 number number NN 39928 1065 18 at at IN 39928 1065 19 the the DT 39928 1065 20 rate rate NN 39928 1065 21 of of IN 39928 1065 22 about about RB 39928 1065 23 three three CD 39928 1065 24 and and CC 39928 1065 25 a a DT 39928 1065 26 half half NN 39928 1065 27 times time NNS 39928 1065 28 those those DT 39928 1065 29 of of IN 39928 1065 30 the the DT 39928 1065 31 preceding precede VBG 39928 1065 32 magnitudes magnitude NNS 39928 1065 33 . . . 39928 1066 1 The the DT 39928 1066 2 total total JJ 39928 1066 3 number number NN 39928 1066 4 of of IN 39928 1066 5 stars star NNS 39928 1066 6 down down RP 39928 1066 7 to to IN 39928 1066 8 the the DT 39928 1066 9 sixth sixth JJ 39928 1066 10 magnitude magnitude NN 39928 1066 11 is be VBZ 39928 1066 12 given give VBN 39928 1066 13 by by IN 39928 1066 14 Professor Professor NNP 39928 1066 15 Newcomb Newcomb NNP 39928 1066 16 as as IN 39928 1066 17 7647 7647 CD 39928 1066 18 . . . 39928 1067 1 For for IN 39928 1067 2 higher high JJR 39928 1067 3 magnitudes magnitude NNS 39928 1067 4 the the DT 39928 1067 5 numbers number NNS 39928 1067 6 are be VBP 39928 1067 7 so so RB 39928 1067 8 great great JJ 39928 1067 9 that that IN 39928 1067 10 precision precision NN 39928 1067 11 and and CC 39928 1067 12 uniformity uniformity NN 39928 1067 13 are be VBP 39928 1067 14 more more RBR 39928 1067 15 difficult difficult JJ 39928 1067 16 of of IN 39928 1067 17 attainment attainment JJ 39928 1067 18 ; ; : 39928 1067 19 yet yet CC 39928 1067 20 there there EX 39928 1067 21 is be VBZ 39928 1067 22 a a DT 39928 1067 23 wonderful wonderful JJ 39928 1067 24 continuance continuance NN 39928 1067 25 of of IN 39928 1067 26 the the DT 39928 1067 27 same same JJ 39928 1067 28 law law NN 39928 1067 29 of of IN 39928 1067 30 increase increase NN 39928 1067 31 down down RP 39928 1067 32 to to IN 39928 1067 33 the the DT 39928 1067 34 tenth tenth JJ 39928 1067 35 magnitude magnitude NN 39928 1067 36 , , , 39928 1067 37 which which WDT 39928 1067 38 is be VBZ 39928 1067 39 estimated estimate VBN 39928 1067 40 to to TO 39928 1067 41 include include VB 39928 1067 42 2,311,000 2,311,000 CD 39928 1067 43 stars star NNS 39928 1067 44 , , , 39928 1067 45 thus thus RB 39928 1067 46 conforming conform VBG 39928 1067 47 very very RB 39928 1067 48 nearly nearly RB 39928 1067 49 with with IN 39928 1067 50 the the DT 39928 1067 51 ratio ratio NN 39928 1067 52 of of IN 39928 1067 53 3.5 3.5 CD 39928 1067 54 as as RB 39928 1067 55 determined determine VBN 39928 1067 56 by by IN 39928 1067 57 the the DT 39928 1067 58 lucid lucid JJ 39928 1067 59 stars star NNS 39928 1067 60 . . . 39928 1068 1 But but CC 39928 1068 2 when when WRB 39928 1068 3 we -PRON- PRP 39928 1068 4 pass pass VBP 39928 1068 5 beyond beyond IN 39928 1068 6 the the DT 39928 1068 7 tenth tenth JJ 39928 1068 8 magnitude magnitude NN 39928 1068 9 to to IN 39928 1068 10 those those DT 39928 1068 11 vast vast JJ 39928 1068 12 numbers number NNS 39928 1068 13 of of IN 39928 1068 14 faint faint JJ 39928 1068 15 stars star NNS 39928 1068 16 only only RB 39928 1068 17 to to TO 39928 1068 18 be be VB 39928 1068 19 seen see VBN 39928 1068 20 in in IN 39928 1068 21 the the DT 39928 1068 22 best good JJS 39928 1068 23 or or CC 39928 1068 24 the the DT 39928 1068 25 largest large JJS 39928 1068 26 telescopes telescope NNS 39928 1068 27 , , , 39928 1068 28 there there EX 39928 1068 29 appears appear VBZ 39928 1068 30 to to TO 39928 1068 31 be be VB 39928 1068 32 a a DT 39928 1068 33 sudden sudden JJ 39928 1068 34 change change NN 39928 1068 35 in in IN 39928 1068 36 the the DT 39928 1068 37 ratio ratio NN 39928 1068 38 of of IN 39928 1068 39 increased increase VBN 39928 1068 40 numbers number NNS 39928 1068 41 per per IN 39928 1068 42 magnitude magnitude NN 39928 1068 43 . . . 39928 1069 1 The the DT 39928 1069 2 numbers number NNS 39928 1069 3 of of IN 39928 1069 4 these these DT 39928 1069 5 stars star NNS 39928 1069 6 are be VBP 39928 1069 7 so so RB 39928 1069 8 great great JJ 39928 1069 9 that that IN 39928 1069 10 it -PRON- PRP 39928 1069 11 is be VBZ 39928 1069 12 impossible impossible JJ 39928 1069 13 to to TO 39928 1069 14 count count VB 39928 1069 15 the the DT 39928 1069 16 whole whole NN 39928 1069 17 as as IN 39928 1069 18 with with IN 39928 1069 19 the the DT 39928 1069 20 higher high JJR 39928 1069 21 magnitude magnitude NN 39928 1069 22 stars star NNS 39928 1069 23 , , , 39928 1069 24 but but CC 39928 1069 25 numerous numerous JJ 39928 1069 26 counts count NNS 39928 1069 27 have have VBP 39928 1069 28 been be VBN 39928 1069 29 made make VBN 39928 1069 30 by by IN 39928 1069 31 many many JJ 39928 1069 32 astronomers astronomer NNS 39928 1069 33 in in IN 39928 1069 34 small small JJ 39928 1069 35 measured measure VBN 39928 1069 36 areas area NNS 39928 1069 37 in in IN 39928 1069 38 different different JJ 39928 1069 39 parts part NNS 39928 1069 40 of of IN 39928 1069 41 the the DT 39928 1069 42 heavens heavens NNPS 39928 1069 43 , , , 39928 1069 44 so so IN 39928 1069 45 that that IN 39928 1069 46 a a DT 39928 1069 47 fair fair JJ 39928 1069 48 average average NN 39928 1069 49 has have VBZ 39928 1069 50 been be VBN 39928 1069 51 obtained obtain VBN 39928 1069 52 , , , 39928 1069 53 and and CC 39928 1069 54 it -PRON- PRP 39928 1069 55 is be VBZ 39928 1069 56 possible possible JJ 39928 1069 57 to to TO 39928 1069 58 make make VB 39928 1069 59 a a DT 39928 1069 60 near near JJ 39928 1069 61 approximation approximation NN 39928 1069 62 to to IN 39928 1069 63 the the DT 39928 1069 64 total total JJ 39928 1069 65 number number NN 39928 1069 66 visible visible JJ 39928 1069 67 down down IN 39928 1069 68 to to IN 39928 1069 69 the the DT 39928 1069 70 seventeenth seventeenth JJ 39928 1069 71 magnitude magnitude NN 39928 1069 72 . . . 39928 1070 1 The the DT 39928 1070 2 estimate estimate NN 39928 1070 3 of of IN 39928 1070 4 these these DT 39928 1070 5 by by IN 39928 1070 6 astronomers astronomer NNS 39928 1070 7 who who WP 39928 1070 8 have have VBP 39928 1070 9 made make VBN 39928 1070 10 a a DT 39928 1070 11 special special JJ 39928 1070 12 study study NN 39928 1070 13 of of IN 39928 1070 14 this this DT 39928 1070 15 subject subject NN 39928 1070 16 is be VBZ 39928 1070 17 , , , 39928 1070 18 that that IN 39928 1070 19 the the DT 39928 1070 20 total total JJ 39928 1070 21 number number NN 39928 1070 22 of of IN 39928 1070 23 visible visible JJ 39928 1070 24 stars star NNS 39928 1070 25 does do VBZ 39928 1070 26 not not RB 39928 1070 27 exceed exceed VB 39928 1070 28 one one CD 39928 1070 29 hundred hundred CD 39928 1070 30 millions million NNS 39928 1070 31 . . . 39928 1071 1 [ [ -LRB- 39928 1071 2 3 3 CD 39928 1071 3 ] ] -RRB- 39928 1071 4 But but CC 39928 1071 5 if if IN 39928 1071 6 we -PRON- PRP 39928 1071 7 take take VBP 39928 1071 8 the the DT 39928 1071 9 number number NN 39928 1071 10 of of IN 39928 1071 11 stars star NNS 39928 1071 12 down down RP 39928 1071 13 to to IN 39928 1071 14 the the DT 39928 1071 15 ninth ninth JJ 39928 1071 16 magnitude magnitude NN 39928 1071 17 , , , 39928 1071 18 which which WDT 39928 1071 19 are be VBP 39928 1071 20 known know VBN 39928 1071 21 with with IN 39928 1071 22 considerable considerable JJ 39928 1071 23 accuracy accuracy NN 39928 1071 24 , , , 39928 1071 25 and and CC 39928 1071 26 find find VB 39928 1071 27 the the DT 39928 1071 28 numbers number NNS 39928 1071 29 in in IN 39928 1071 30 each each DT 39928 1071 31 succeeding succeed VBG 39928 1071 32 magnitude magnitude NN 39928 1071 33 down down RP 39928 1071 34 to to IN 39928 1071 35 the the DT 39928 1071 36 seventeenth seventeenth JJ 39928 1071 37 , , , 39928 1071 38 according accord VBG 39928 1071 39 to to IN 39928 1071 40 the the DT 39928 1071 41 same same JJ 39928 1071 42 ratio ratio NN 39928 1071 43 of of IN 39928 1071 44 increase increase NN 39928 1071 45 which which WDT 39928 1071 46 has have VBZ 39928 1071 47 been be VBN 39928 1071 48 found find VBN 39928 1071 49 to to TO 39928 1071 50 correspond correspond VB 39928 1071 51 very very RB 39928 1071 52 nearly nearly RB 39928 1071 53 in in IN 39928 1071 54 the the DT 39928 1071 55 case case NN 39928 1071 56 of of IN 39928 1071 57 the the DT 39928 1071 58 higher high JJR 39928 1071 59 magnitudes magnitude NNS 39928 1071 60 , , , 39928 1071 61 Mr. Mr. NNP 39928 1071 62 J.E. J.E. NNP 39928 1072 1 Gore Gore NNP 39928 1072 2 finds find VBZ 39928 1072 3 that that IN 39928 1072 4 the the DT 39928 1072 5 total total JJ 39928 1072 6 number number NN 39928 1072 7 should should MD 39928 1072 8 be be VB 39928 1072 9 about about IN 39928 1072 10 1400 1400 CD 39928 1072 11 millions million NNS 39928 1072 12 . . . 39928 1073 1 Of of RB 39928 1073 2 course course RB 39928 1073 3 neither neither DT 39928 1073 4 of of IN 39928 1073 5 these these DT 39928 1073 6 estimates estimate NNS 39928 1073 7 makes make VBZ 39928 1073 8 any any DT 39928 1073 9 pretence pretence NN 39928 1073 10 to to TO 39928 1073 11 exact exact VB 39928 1073 12 accuracy accuracy NN 39928 1073 13 , , , 39928 1073 14 but but CC 39928 1073 15 they -PRON- PRP 39928 1073 16 are be VBP 39928 1073 17 founded found VBN 39928 1073 18 on on IN 39928 1073 19 all all PDT 39928 1073 20 the the DT 39928 1073 21 facts fact NNS 39928 1073 22 at at IN 39928 1073 23 present present JJ 39928 1073 24 available available JJ 39928 1073 25 , , , 39928 1073 26 and and CC 39928 1073 27 are be VBP 39928 1073 28 generally generally RB 39928 1073 29 accepted accept VBN 39928 1073 30 by by IN 39928 1073 31 astronomers astronomer NNS 39928 1073 32 as as IN 39928 1073 33 being be VBG 39928 1073 34 the the DT 39928 1073 35 nearest near JJS 39928 1073 36 approach approach NN 39928 1073 37 that that WDT 39928 1073 38 can can MD 39928 1073 39 be be VB 39928 1073 40 made make VBN 39928 1073 41 to to IN 39928 1073 42 the the DT 39928 1073 43 true true JJ 39928 1073 44 numbers number NNS 39928 1073 45 . . . 39928 1074 1 The the DT 39928 1074 2 discrepancy discrepancy NN 39928 1074 3 is be VBZ 39928 1074 4 , , , 39928 1074 5 however however RB 39928 1074 6 , , , 39928 1074 7 so so RB 39928 1074 8 enormous enormous JJ 39928 1074 9 that that IN 39928 1074 10 probably probably RB 39928 1074 11 no no DT 39928 1074 12 careful careful JJ 39928 1074 13 observer observer NN 39928 1074 14 of of IN 39928 1074 15 the the DT 39928 1074 16 heavens heavens NNPS 39928 1074 17 with with IN 39928 1074 18 very very RB 39928 1074 19 large large JJ 39928 1074 20 telescopes telescope NNS 39928 1074 21 doubts doubt VBZ 39928 1074 22 that that IN 39928 1074 23 there there EX 39928 1074 24 is be VBZ 39928 1074 25 a a DT 39928 1074 26 very very RB 39928 1074 27 real real JJ 39928 1074 28 and and CC 39928 1074 29 very very RB 39928 1074 30 rapid rapid JJ 39928 1074 31 diminution diminution NN 39928 1074 32 in in IN 39928 1074 33 the the DT 39928 1074 34 numbers number NNS 39928 1074 35 of of IN 39928 1074 36 the the DT 39928 1074 37 fainter fainter NN 39928 1074 38 as as IN 39928 1074 39 compared compare VBN 39928 1074 40 with with IN 39928 1074 41 the the DT 39928 1074 42 brighter bright JJR 39928 1074 43 stars star NNS 39928 1074 44 . . . 39928 1075 1 There there EX 39928 1075 2 is be VBZ 39928 1075 3 , , , 39928 1075 4 however however RB 39928 1075 5 , , , 39928 1075 6 yet yet CC 39928 1075 7 one one CD 39928 1075 8 more more JJR 39928 1075 9 indication indication NN 39928 1075 10 of of IN 39928 1075 11 the the DT 39928 1075 12 decreasing decrease VBG 39928 1075 13 numbers number NNS 39928 1075 14 of of IN 39928 1075 15 the the DT 39928 1075 16 faint faint JJ 39928 1075 17 telescopic telescopic NN 39928 1075 18 stars star NNS 39928 1075 19 , , , 39928 1075 20 which which WDT 39928 1075 21 is be VBZ 39928 1075 22 almost almost RB 39928 1075 23 conclusive conclusive JJ 39928 1075 24 on on IN 39928 1075 25 this this DT 39928 1075 26 question question NN 39928 1075 27 , , , 39928 1075 28 and and CC 39928 1075 29 , , , 39928 1075 30 so so RB 39928 1075 31 far far RB 39928 1075 32 as as IN 39928 1075 33 I -PRON- PRP 39928 1075 34 am be VBP 39928 1075 35 aware aware JJ 39928 1075 36 , , , 39928 1075 37 has have VBZ 39928 1075 38 not not RB 39928 1075 39 yet yet RB 39928 1075 40 been be VBN 39928 1075 41 used use VBN 39928 1075 42 in in IN 39928 1075 43 this this DT 39928 1075 44 relation relation NN 39928 1075 45 . . . 39928 1076 1 I -PRON- PRP 39928 1076 2 will will MD 39928 1076 3 therefore therefore RB 39928 1076 4 briefly briefly RB 39928 1076 5 state state VB 39928 1076 6 it -PRON- PRP 39928 1076 7 . . . 39928 1077 1 THE the DT 39928 1077 2 LIGHT LIGHT NNP 39928 1077 3 RATIO ratio NN 39928 1077 4 AS as IN 39928 1077 5 INDICATING indicate VBG 39928 1077 6 THE the DT 39928 1077 7 NUMBER NUMBER NNP 39928 1077 8 OF of IN 39928 1077 9 FAINT faint JJ 39928 1077 10 STARS star NNS 39928 1077 11 Professor Professor NNP 39928 1077 12 Newcomb Newcomb NNP 39928 1077 13 points point VBZ 39928 1077 14 out out RP 39928 1077 15 a a DT 39928 1077 16 remarkable remarkable JJ 39928 1077 17 result result NN 39928 1077 18 depending depend VBG 39928 1077 19 on on IN 39928 1077 20 the the DT 39928 1077 21 fact fact NN 39928 1077 22 that that IN 39928 1077 23 , , , 39928 1077 24 while while IN 39928 1077 25 the the DT 39928 1077 26 average average JJ 39928 1077 27 light light NN 39928 1077 28 of of IN 39928 1077 29 successively successively RB 39928 1077 30 lower low JJR 39928 1077 31 magnitudes magnitude NNS 39928 1077 32 diminishes diminishe NNS 39928 1077 33 in in IN 39928 1077 34 a a DT 39928 1077 35 ratio ratio NN 39928 1077 36 of of IN 39928 1077 37 2.5 2.5 CD 39928 1077 38 , , , 39928 1077 39 their -PRON- PRP$ 39928 1077 40 numbers number NNS 39928 1077 41 increase increase VBP 39928 1077 42 at at IN 39928 1077 43 nearly nearly RB 39928 1077 44 a a DT 39928 1077 45 ratio ratio NN 39928 1077 46 of of IN 39928 1077 47 3.5 3.5 CD 39928 1077 48 . . . 39928 1078 1 From from IN 39928 1078 2 this this DT 39928 1078 3 it -PRON- PRP 39928 1078 4 follows follow VBZ 39928 1078 5 that that DT 39928 1078 6 , , , 39928 1078 7 so so RB 39928 1078 8 long long RB 39928 1078 9 as as IN 39928 1078 10 this this DT 39928 1078 11 law law NN 39928 1078 12 of of IN 39928 1078 13 increase increase NN 39928 1078 14 continues continue VBZ 39928 1078 15 , , , 39928 1078 16 the the DT 39928 1078 17 total total NN 39928 1078 18 of of IN 39928 1078 19 starlight starlight NN 39928 1078 20 goes go VBZ 39928 1078 21 on on RP 39928 1078 22 increasing increase VBG 39928 1078 23 by by IN 39928 1078 24 about about RB 39928 1078 25 forty forty CD 39928 1078 26 per per IN 39928 1078 27 cent cent NN 39928 1078 28 . . . 39928 1079 1 for for IN 39928 1079 2 each each DT 39928 1079 3 successive successive JJ 39928 1079 4 magnitude magnitude NN 39928 1079 5 , , , 39928 1079 6 and and CC 39928 1079 7 he -PRON- PRP 39928 1079 8 gives give VBZ 39928 1079 9 the the DT 39928 1079 10 following follow VBG 39928 1079 11 table table NN 39928 1079 12 to to TO 39928 1079 13 illustrate illustrate VB 39928 1079 14 it:-- it:-- ADD 39928 1079 15 Mag mag JJ 39928 1079 16 . . . 39928 1080 1 1 1 LS 39928 1080 2 Total Total NNP 39928 1080 3 Light light NN 39928 1080 4 = = SYM 39928 1080 5 1 1 CD 39928 1080 6 " " `` 39928 1080 7 2 2 CD 39928 1080 8 " " '' 39928 1080 9 = = SYM 39928 1080 10 1.4 1.4 CD 39928 1080 11 " " `` 39928 1080 12 3 3 CD 39928 1080 13 " " '' 39928 1080 14 = = SYM 39928 1080 15 2.0 2.0 CD 39928 1080 16 " " CD 39928 1080 17 4 4 CD 39928 1080 18 " " '' 39928 1080 19 = = SYM 39928 1080 20 2.8 2.8 CD 39928 1080 21 " " `` 39928 1080 22 5 5 CD 39928 1080 23 " " '' 39928 1080 24 = = SYM 39928 1080 25 4.0 4.0 CD 39928 1080 26 " " `` 39928 1080 27 6 6 CD 39928 1080 28 " " '' 39928 1080 29 = = SYM 39928 1080 30 5.7 5.7 CD 39928 1080 31 " " `` 39928 1080 32 7 7 CD 39928 1080 33 " " '' 39928 1080 34 = = SYM 39928 1080 35 8.0 8.0 CD 39928 1080 36 " " `` 39928 1080 37 8 8 CD 39928 1080 38 " " '' 39928 1080 39 = = SYM 39928 1080 40 11.3 11.3 CD 39928 1080 41 " " `` 39928 1080 42 9 9 CD 39928 1080 43 " " '' 39928 1080 44 = = SYM 39928 1080 45 16.0 16.0 CD 39928 1080 46 " " `` 39928 1080 47 10 10 CD 39928 1080 48 " " '' 39928 1080 49 = = SYM 39928 1080 50 22.6 22.6 CD 39928 1080 51 -------- -------- NFP 39928 1080 52 Total total JJ 39928 1080 53 light light NN 39928 1080 54 to to IN 39928 1080 55 Mag Mag NNP 39928 1080 56 . . . 39928 1081 1 10 10 CD 39928 1081 2 = = SYM 39928 1081 3 74.8 74.8 CD 39928 1081 4 -------- -------- NFP 39928 1081 5 Thus thus RB 39928 1081 6 the the DT 39928 1081 7 total total JJ 39928 1081 8 amount amount NN 39928 1081 9 of of IN 39928 1081 10 the the DT 39928 1081 11 light light NN 39928 1081 12 given give VBN 39928 1081 13 by by IN 39928 1081 14 all all DT 39928 1081 15 stars star NNS 39928 1081 16 down down RP 39928 1081 17 to to IN 39928 1081 18 the the DT 39928 1081 19 tenth tenth JJ 39928 1081 20 magnitude magnitude NN 39928 1081 21 is be VBZ 39928 1081 22 seventy seventy CD 39928 1081 23 - - HYPH 39928 1081 24 four four CD 39928 1081 25 times time NNS 39928 1081 26 as as RB 39928 1081 27 great great JJ 39928 1081 28 as as IN 39928 1081 29 that that DT 39928 1081 30 from from IN 39928 1081 31 the the DT 39928 1081 32 few few JJ 39928 1081 33 first first JJ 39928 1081 34 magnitude magnitude NN 39928 1081 35 stars star NNS 39928 1081 36 . . . 39928 1082 1 We -PRON- PRP 39928 1082 2 also also RB 39928 1082 3 see see VBP 39928 1082 4 that that IN 39928 1082 5 the the DT 39928 1082 6 light light NN 39928 1082 7 given give VBN 39928 1082 8 by by IN 39928 1082 9 the the DT 39928 1082 10 stars star NNS 39928 1082 11 of of IN 39928 1082 12 any any DT 39928 1082 13 magnitude magnitude NN 39928 1082 14 is be VBZ 39928 1082 15 twice twice RB 39928 1082 16 as as RB 39928 1082 17 much much JJ 39928 1082 18 as as IN 39928 1082 19 that that DT 39928 1082 20 of of IN 39928 1082 21 the the DT 39928 1082 22 stars star NNS 39928 1082 23 two two CD 39928 1082 24 magnitudes magnitude NNS 39928 1082 25 higher high JJR 39928 1082 26 in in IN 39928 1082 27 the the DT 39928 1082 28 scale scale NN 39928 1082 29 , , , 39928 1082 30 so so IN 39928 1082 31 that that IN 39928 1082 32 we -PRON- PRP 39928 1082 33 can can MD 39928 1082 34 easily easily RB 39928 1082 35 calculate calculate VB 39928 1082 36 what what WDT 39928 1082 37 additional additional JJ 39928 1082 38 light light NN 39928 1082 39 we -PRON- PRP 39928 1082 40 ought ought MD 39928 1082 41 to to TO 39928 1082 42 receive receive VB 39928 1082 43 from from IN 39928 1082 44 each each DT 39928 1082 45 additional additional JJ 39928 1082 46 magnitude magnitude NN 39928 1082 47 if if IN 39928 1082 48 they -PRON- PRP 39928 1082 49 continue continue VBP 39928 1082 50 to to TO 39928 1082 51 increase increase VB 39928 1082 52 in in IN 39928 1082 53 numbers number NNS 39928 1082 54 below below IN 39928 1082 55 the the DT 39928 1082 56 tenth tenth NN 39928 1082 57 as as IN 39928 1082 58 they -PRON- PRP 39928 1082 59 do do VBP 39928 1082 60 above above IN 39928 1082 61 that that DT 39928 1082 62 magnitude magnitude NN 39928 1082 63 . . . 39928 1083 1 Now now RB 39928 1083 2 it -PRON- PRP 39928 1083 3 has have VBZ 39928 1083 4 been be VBN 39928 1083 5 calculated calculate VBN 39928 1083 6 as as IN 39928 1083 7 the the DT 39928 1083 8 result result NN 39928 1083 9 of of IN 39928 1083 10 careful careful JJ 39928 1083 11 observations observation NNS 39928 1083 12 , , , 39928 1083 13 that that IN 39928 1083 14 the the DT 39928 1083 15 total total JJ 39928 1083 16 light light NN 39928 1083 17 given give VBN 39928 1083 18 by by IN 39928 1083 19 stars star NNS 39928 1083 20 down down RB 39928 1083 21 to to IN 39928 1083 22 nine nine CD 39928 1083 23 and and CC 39928 1083 24 a a DT 39928 1083 25 half half NN 39928 1083 26 magnitude magnitude NN 39928 1083 27 is be VBZ 39928 1083 28 one one CD 39928 1083 29 - - HYPH 39928 1083 30 eightieth eightieth NNS 39928 1083 31 of of IN 39928 1083 32 full full JJ 39928 1083 33 moonlight moonlight NN 39928 1083 34 , , , 39928 1083 35 though though IN 39928 1083 36 some some DT 39928 1083 37 make make VBP 39928 1083 38 it -PRON- PRP 39928 1083 39 much much RB 39928 1083 40 more more RBR 39928 1083 41 . . . 39928 1084 1 But but CC 39928 1084 2 if if IN 39928 1084 3 we -PRON- PRP 39928 1084 4 continue continue VBP 39928 1084 5 the the DT 39928 1084 6 table table NN 39928 1084 7 of of IN 39928 1084 8 light light NN 39928 1084 9 - - HYPH 39928 1084 10 ratios ratio NNS 39928 1084 11 from from IN 39928 1084 12 this this DT 39928 1084 13 low low JJ 39928 1084 14 starting starting NN 39928 1084 15 - - HYPH 39928 1084 16 point point NN 39928 1084 17 down down RB 39928 1084 18 to to IN 39928 1084 19 magnitude magnitude NN 39928 1084 20 seventeen seventeen CD 39928 1084 21 and and CC 39928 1084 22 a a DT 39928 1084 23 half half NN 39928 1084 24 , , , 39928 1084 25 we -PRON- PRP 39928 1084 26 shall shall MD 39928 1084 27 find find VB 39928 1084 28 , , , 39928 1084 29 if if IN 39928 1084 30 the the DT 39928 1084 31 numbers number NNS 39928 1084 32 of of IN 39928 1084 33 the the DT 39928 1084 34 stars star NNS 39928 1084 35 go go VBP 39928 1084 36 on on RP 39928 1084 37 increasing increase VBG 39928 1084 38 at at IN 39928 1084 39 the the DT 39928 1084 40 same same JJ 39928 1084 41 rate rate NN 39928 1084 42 as as IN 39928 1084 43 before before RB 39928 1084 44 , , , 39928 1084 45 that that IN 39928 1084 46 the the DT 39928 1084 47 light light NN 39928 1084 48 of of IN 39928 1084 49 all all DT 39928 1084 50 combined combine VBN 39928 1084 51 should should MD 39928 1084 52 be be VB 39928 1084 53 at at IN 39928 1084 54 least least JJS 39928 1084 55 seven seven CD 39928 1084 56 times time NNS 39928 1084 57 as as RB 39928 1084 58 great great JJ 39928 1084 59 as as IN 39928 1084 60 moonlight moonlight NN 39928 1084 61 ; ; : 39928 1084 62 whereas whereas IN 39928 1084 63 the the DT 39928 1084 64 photometric photometric JJ 39928 1084 65 measurements measurement NNS 39928 1084 66 make make VBP 39928 1084 67 it -PRON- PRP 39928 1084 68 actually actually RB 39928 1084 69 about about IN 39928 1084 70 one one CD 39928 1084 71 - - HYPH 39928 1084 72 twentieth twentieth NN 39928 1084 73 . . . 39928 1085 1 And and CC 39928 1085 2 as as IN 39928 1085 3 the the DT 39928 1085 4 calculation calculation NN 39928 1085 5 from from IN 39928 1085 6 light light JJ 39928 1085 7 - - HYPH 39928 1085 8 ratios ratio NNS 39928 1085 9 only only RB 39928 1085 10 includes include VBZ 39928 1085 11 stars star NNS 39928 1085 12 just just RB 39928 1085 13 visible visible JJ 39928 1085 14 in in IN 39928 1085 15 the the DT 39928 1085 16 largest large JJS 39928 1085 17 telescopes telescope NNS 39928 1085 18 , , , 39928 1085 19 and and CC 39928 1085 20 does do VBZ 39928 1085 21 not not RB 39928 1085 22 include include VB 39928 1085 23 all all PDT 39928 1085 24 those those DT 39928 1085 25 proved prove VBN 39928 1085 26 to to TO 39928 1085 27 exist exist VB 39928 1085 28 by by IN 39928 1085 29 photography photography NN 39928 1085 30 , , , 39928 1085 31 we -PRON- PRP 39928 1085 32 have have VBP 39928 1085 33 in in IN 39928 1085 34 this this DT 39928 1085 35 case case NN 39928 1085 36 a a DT 39928 1085 37 demonstration demonstration NN 39928 1085 38 that that IN 39928 1085 39 the the DT 39928 1085 40 numbers number NNS 39928 1085 41 of of IN 39928 1085 42 the the DT 39928 1085 43 stars star NNS 39928 1085 44 below below IN 39928 1085 45 the the DT 39928 1085 46 tenth tenth NN 39928 1085 47 and and CC 39928 1085 48 down down RB 39928 1085 49 to to IN 39928 1085 50 the the DT 39928 1085 51 seventeenth seventeenth JJ 39928 1085 52 magnitude magnitude NN 39928 1085 53 diminish diminish VB 39928 1085 54 rapidly rapidly RB 39928 1085 55 . . . 39928 1086 1 We -PRON- PRP 39928 1086 2 must must MD 39928 1086 3 remember remember VB 39928 1086 4 that that IN 39928 1086 5 the the DT 39928 1086 6 minuter minuter JJ 39928 1086 7 telescopic telescopic JJ 39928 1086 8 stars star NNS 39928 1086 9 preponderate preponderate VBP 39928 1086 10 enormously enormously RB 39928 1086 11 in in IN 39928 1086 12 and and CC 39928 1086 13 near near IN 39928 1086 14 the the DT 39928 1086 15 Milky Milky NNP 39928 1086 16 Way Way NNP 39928 1086 17 . . . 39928 1087 1 At at IN 39928 1087 2 a a DT 39928 1087 3 distance distance NN 39928 1087 4 from from IN 39928 1087 5 it -PRON- PRP 39928 1087 6 they -PRON- PRP 39928 1087 7 diminish diminish VBP 39928 1087 8 rapidly rapidly RB 39928 1087 9 , , , 39928 1087 10 till till IN 39928 1087 11 near near IN 39928 1087 12 its -PRON- PRP$ 39928 1087 13 poles pole NNS 39928 1087 14 they -PRON- PRP 39928 1087 15 are be VBP 39928 1087 16 almost almost RB 39928 1087 17 entirely entirely RB 39928 1087 18 absent absent JJ 39928 1087 19 . . . 39928 1088 1 This this DT 39928 1088 2 is be VBZ 39928 1088 3 shown show VBN 39928 1088 4 by by IN 39928 1088 5 the the DT 39928 1088 6 fact fact NN 39928 1088 7 ( ( -LRB- 39928 1088 8 already already RB 39928 1088 9 referred refer VBN 39928 1088 10 to to IN 39928 1088 11 at at IN 39928 1088 12 p. p. NN 39928 1088 13 146 146 CD 39928 1088 14 ) ) -RRB- 39928 1088 15 that that WDT 39928 1088 16 Professor Professor NNP 39928 1088 17 Celoria Celoria NNP 39928 1088 18 of of IN 39928 1088 19 Milan Milan NNP 39928 1088 20 , , , 39928 1088 21 with with IN 39928 1088 22 a a DT 39928 1088 23 telescope telescope NN 39928 1088 24 of of IN 39928 1088 25 less less JJR 39928 1088 26 than than IN 39928 1088 27 three three CD 39928 1088 28 inches inch NNS 39928 1088 29 aperture aperture JJ 39928 1088 30 , , , 39928 1088 31 counted count VBD 39928 1088 32 almost almost RB 39928 1088 33 as as IN 39928 1088 34 many many JJ 39928 1088 35 stars star NNS 39928 1088 36 in in IN 39928 1088 37 that that DT 39928 1088 38 region region NN 39928 1088 39 as as IN 39928 1088 40 did do VBD 39928 1088 41 Herschel Herschel NNP 39928 1088 42 with with IN 39928 1088 43 his -PRON- PRP$ 39928 1088 44 eighteen eighteen CD 39928 1088 45 - - HYPH 39928 1088 46 inch inch NN 39928 1088 47 reflector reflector NN 39928 1088 48 . . . 39928 1089 1 But but CC 39928 1089 2 if if IN 39928 1089 3 the the DT 39928 1089 4 stellar stellar JJ 39928 1089 5 universe universe NN 39928 1089 6 extends extend VBZ 39928 1089 7 without without IN 39928 1089 8 limit limit NN 39928 1089 9 we -PRON- PRP 39928 1089 10 can can MD 39928 1089 11 hardly hardly RB 39928 1089 12 suppose suppose VB 39928 1089 13 it -PRON- PRP 39928 1089 14 to to TO 39928 1089 15 do do VB 39928 1089 16 so so RB 39928 1089 17 in in IN 39928 1089 18 one one CD 39928 1089 19 plane plane NN 39928 1089 20 only only RB 39928 1089 21 ; ; : 39928 1089 22 hence hence RB 39928 1089 23 the the DT 39928 1089 24 absence absence NN 39928 1089 25 of of IN 39928 1089 26 the the DT 39928 1089 27 minuter minuter JJ 39928 1089 28 stars star NNS 39928 1089 29 and and CC 39928 1089 30 of of IN 39928 1089 31 diffused diffuse VBN 39928 1089 32 milky milky NNP 39928 1089 33 light light NN 39928 1089 34 over over IN 39928 1089 35 the the DT 39928 1089 36 larger large JJR 39928 1089 37 part part NN 39928 1089 38 of of IN 39928 1089 39 the the DT 39928 1089 40 heavens heavens NNPS 39928 1089 41 is be VBZ 39928 1089 42 now now RB 39928 1089 43 held hold VBN 39928 1089 44 to to TO 39928 1089 45 prove prove VB 39928 1089 46 that that IN 39928 1089 47 the the DT 39928 1089 48 myriads myriad NNS 39928 1089 49 of of IN 39928 1089 50 very very RB 39928 1089 51 minute minute JJ 39928 1089 52 stars star NNS 39928 1089 53 in in IN 39928 1089 54 the the DT 39928 1089 55 Milky Milky NNP 39928 1089 56 Way Way NNP 39928 1089 57 really really RB 39928 1089 58 belong belong VBP 39928 1089 59 to to IN 39928 1089 60 it -PRON- PRP 39928 1089 61 , , , 39928 1089 62 and and CC 39928 1089 63 not not RB 39928 1089 64 to to IN 39928 1089 65 the the DT 39928 1089 66 depths depth NNS 39928 1089 67 of of IN 39928 1089 68 space space NN 39928 1089 69 far far RB 39928 1089 70 beyond beyond RB 39928 1089 71 . . . 39928 1090 1 It -PRON- PRP 39928 1090 2 seems seem VBZ 39928 1090 3 to to IN 39928 1090 4 me -PRON- PRP 39928 1090 5 that that IN 39928 1090 6 here here RB 39928 1090 7 we -PRON- PRP 39928 1090 8 have have VBP 39928 1090 9 a a DT 39928 1090 10 fairly fairly RB 39928 1090 11 direct direct JJ 39928 1090 12 proof proof NN 39928 1090 13 that that IN 39928 1090 14 the the DT 39928 1090 15 stars star NNS 39928 1090 16 of of IN 39928 1090 17 our -PRON- PRP$ 39928 1090 18 universe universe NN 39928 1090 19 are be VBP 39928 1090 20 really really RB 39928 1090 21 limited limited JJ 39928 1090 22 in in IN 39928 1090 23 number number NN 39928 1090 24 . . . 39928 1091 1 There there EX 39928 1091 2 are be VBP 39928 1091 3 thus thus RB 39928 1091 4 four four CD 39928 1091 5 distinct distinct JJ 39928 1091 6 lines line NNS 39928 1091 7 of of IN 39928 1091 8 argument argument NN 39928 1091 9 all all DT 39928 1091 10 pointing point VBG 39928 1091 11 with with IN 39928 1091 12 more more RBR 39928 1091 13 or or CC 39928 1091 14 less less JJR 39928 1091 15 force force NN 39928 1091 16 to to IN 39928 1091 17 the the DT 39928 1091 18 conclusion conclusion NN 39928 1091 19 that that IN 39928 1091 20 the the DT 39928 1091 21 stellar stellar JJ 39928 1091 22 universe universe NN 39928 1091 23 we -PRON- PRP 39928 1091 24 see see VBP 39928 1091 25 around around IN 39928 1091 26 us -PRON- PRP 39928 1091 27 , , , 39928 1091 28 so so RB 39928 1091 29 far far RB 39928 1091 30 from from IN 39928 1091 31 being be VBG 39928 1091 32 infinite infinite JJ 39928 1091 33 , , , 39928 1091 34 is be VBZ 39928 1091 35 strictly strictly RB 39928 1091 36 limited limited JJ 39928 1091 37 in in IN 39928 1091 38 extent extent NN 39928 1091 39 and and CC 39928 1091 40 of of IN 39928 1091 41 a a DT 39928 1091 42 definite definite JJ 39928 1091 43 form form NN 39928 1091 44 and and CC 39928 1091 45 constitution constitution NN 39928 1091 46 . . . 39928 1092 1 They -PRON- PRP 39928 1092 2 may may MD 39928 1092 3 be be VB 39928 1092 4 briefly briefly RB 39928 1092 5 summarised summarise VBN 39928 1092 6 as as IN 39928 1092 7 follows:-- follows:-- ADD 39928 1092 8 ( ( -LRB- 39928 1092 9 1 1 LS 39928 1092 10 ) ) -RRB- 39928 1092 11 Professor Professor NNP 39928 1092 12 Newcomb Newcomb NNP 39928 1092 13 shows show VBZ 39928 1092 14 that that IN 39928 1092 15 , , , 39928 1092 16 if if IN 39928 1092 17 the the DT 39928 1092 18 stars star NNS 39928 1092 19 were be VBD 39928 1092 20 infinite infinite JJ 39928 1092 21 in in IN 39928 1092 22 number number NN 39928 1092 23 , , , 39928 1092 24 and and CC 39928 1092 25 if if IN 39928 1092 26 those those DT 39928 1092 27 we -PRON- PRP 39928 1092 28 see see VBP 39928 1092 29 were be VBD 39928 1092 30 approximately approximately RB 39928 1092 31 a a DT 39928 1092 32 fair fair JJ 39928 1092 33 sample sample NN 39928 1092 34 of of IN 39928 1092 35 the the DT 39928 1092 36 whole whole NN 39928 1092 37 , , , 39928 1092 38 and and CC 39928 1092 39 further far RBR 39928 1092 40 , , , 39928 1092 41 if if IN 39928 1092 42 there there EX 39928 1092 43 were be VBD 39928 1092 44 not not RB 39928 1092 45 sufficient sufficient JJ 39928 1092 46 dark dark JJ 39928 1092 47 bodies body NNS 39928 1092 48 to to TO 39928 1092 49 shut shut VB 39928 1092 50 out out RP 39928 1092 51 almost almost RB 39928 1092 52 the the DT 39928 1092 53 whole whole NN 39928 1092 54 of of IN 39928 1092 55 their -PRON- PRP$ 39928 1092 56 light light NN 39928 1092 57 , , , 39928 1092 58 then then RB 39928 1092 59 we -PRON- PRP 39928 1092 60 should should MD 39928 1092 61 receive receive VB 39928 1092 62 from from IN 39928 1092 63 them -PRON- PRP 39928 1092 64 an an DT 39928 1092 65 amount amount NN 39928 1092 66 of of IN 39928 1092 67 light light NN 39928 1092 68 theoretically theoretically RB 39928 1092 69 greater great JJR 39928 1092 70 than than IN 39928 1092 71 that that DT 39928 1092 72 of of IN 39928 1092 73 sunlight sunlight NN 39928 1092 74 . . . 39928 1093 1 I -PRON- PRP 39928 1093 2 have have VBP 39928 1093 3 shown show VBN 39928 1093 4 , , , 39928 1093 5 at at IN 39928 1093 6 some some DT 39928 1093 7 length length NN 39928 1093 8 , , , 39928 1093 9 that that IN 39928 1093 10 neither neither DT 39928 1093 11 of of IN 39928 1093 12 these these DT 39928 1093 13 causes cause NNS 39928 1093 14 of of IN 39928 1093 15 loss loss NN 39928 1093 16 of of IN 39928 1093 17 light light NN 39928 1093 18 will will MD 39928 1093 19 account account VB 39928 1093 20 for for IN 39928 1093 21 the the DT 39928 1093 22 enormous enormous JJ 39928 1093 23 disproportion disproportion NN 39928 1093 24 between between IN 39928 1093 25 the the DT 39928 1093 26 theoretical theoretical JJ 39928 1093 27 and and CC 39928 1093 28 the the DT 39928 1093 29 actual actual JJ 39928 1093 30 light light NN 39928 1093 31 received receive VBN 39928 1093 32 from from IN 39928 1093 33 the the DT 39928 1093 34 stars star NNS 39928 1093 35 ; ; : 39928 1093 36 and and CC 39928 1093 37 therefore therefore RB 39928 1093 38 Professor Professor NNP 39928 1093 39 Newcomb Newcomb NNP 39928 1093 40 's 's POS 39928 1093 41 argument argument NN 39928 1093 42 must must MD 39928 1093 43 be be VB 39928 1093 44 held hold VBN 39928 1093 45 to to TO 39928 1093 46 be be VB 39928 1093 47 a a DT 39928 1093 48 valid valid JJ 39928 1093 49 one one NN 39928 1093 50 against against IN 39928 1093 51 the the DT 39928 1093 52 infinite infinite JJ 39928 1093 53 extent extent NN 39928 1093 54 of of IN 39928 1093 55 our -PRON- PRP$ 39928 1093 56 universe universe NN 39928 1093 57 . . . 39928 1094 1 Of of RB 39928 1094 2 course course RB 39928 1094 3 , , , 39928 1094 4 this this DT 39928 1094 5 does do VBZ 39928 1094 6 not not RB 39928 1094 7 imply imply VB 39928 1094 8 that that IN 39928 1094 9 there there EX 39928 1094 10 may may MD 39928 1094 11 not not RB 39928 1094 12 be be VB 39928 1094 13 any any DT 39928 1094 14 number number NN 39928 1094 15 of of IN 39928 1094 16 other other JJ 39928 1094 17 universes universe NNS 39928 1094 18 in in IN 39928 1094 19 space space NN 39928 1094 20 , , , 39928 1094 21 but but CC 39928 1094 22 as as IN 39928 1094 23 we -PRON- PRP 39928 1094 24 know know VBP 39928 1094 25 absolutely absolutely RB 39928 1094 26 nothing nothing NN 39928 1094 27 of of IN 39928 1094 28 them -PRON- PRP 39928 1094 29 -- -- : 39928 1094 30 even even RB 39928 1094 31 whether whether IN 39928 1094 32 they -PRON- PRP 39928 1094 33 are be VBP 39928 1094 34 material material JJ 39928 1094 35 or or CC 39928 1094 36 non non JJ 39928 1094 37 - - JJ 39928 1094 38 material material JJ 39928 1094 39 -- -- : 39928 1094 40 all all DT 39928 1094 41 speculation speculation NN 39928 1094 42 as as IN 39928 1094 43 to to IN 39928 1094 44 their -PRON- PRP$ 39928 1094 45 existence existence NN 39928 1094 46 is be VBZ 39928 1094 47 worse bad JJR 39928 1094 48 than than IN 39928 1094 49 useless useless JJ 39928 1094 50 . . . 39928 1095 1 ( ( -LRB- 39928 1095 2 2 2 LS 39928 1095 3 ) ) -RRB- 39928 1095 4 The the DT 39928 1095 5 next next JJ 39928 1095 6 argument argument NN 39928 1095 7 depends depend VBZ 39928 1095 8 on on IN 39928 1095 9 the the DT 39928 1095 10 fact fact NN 39928 1095 11 that that IN 39928 1095 12 all all RB 39928 1095 13 over over IN 39928 1095 14 the the DT 39928 1095 15 heavens heavens NNPS 39928 1095 16 , , , 39928 1095 17 even even RB 39928 1095 18 in in IN 39928 1095 19 the the DT 39928 1095 20 Milky Milky NNP 39928 1095 21 Way Way NNP 39928 1095 22 itself -PRON- PRP 39928 1095 23 , , , 39928 1095 24 there there EX 39928 1095 25 are be VBP 39928 1095 26 areas area NNS 39928 1095 27 of of IN 39928 1095 28 considerable considerable JJ 39928 1095 29 extent extent NN 39928 1095 30 , , , 39928 1095 31 besides besides IN 39928 1095 32 rifts rift NNS 39928 1095 33 , , , 39928 1095 34 lanes lane NNS 39928 1095 35 , , , 39928 1095 36 and and CC 39928 1095 37 circular circular JJ 39928 1095 38 patches patch NNS 39928 1095 39 , , , 39928 1095 40 where where WRB 39928 1095 41 stars star NNS 39928 1095 42 are be VBP 39928 1095 43 either either RB 39928 1095 44 quite quite RB 39928 1095 45 absent absent JJ 39928 1095 46 or or CC 39928 1095 47 very very RB 39928 1095 48 faint faint JJ 39928 1095 49 and and CC 39928 1095 50 few few JJ 39928 1095 51 in in IN 39928 1095 52 number number NN 39928 1095 53 . . . 39928 1096 1 In in IN 39928 1096 2 many many JJ 39928 1096 3 of of IN 39928 1096 4 these these DT 39928 1096 5 areas area NNS 39928 1096 6 the the DT 39928 1096 7 largest large JJS 39928 1096 8 telescopes telescope NNS 39928 1096 9 show show VBP 39928 1096 10 no no DT 39928 1096 11 more more JJR 39928 1096 12 stars star NNS 39928 1096 13 than than IN 39928 1096 14 those those DT 39928 1096 15 of of IN 39928 1096 16 moderate moderate JJ 39928 1096 17 size size NN 39928 1096 18 , , , 39928 1096 19 while while IN 39928 1096 20 the the DT 39928 1096 21 few few JJ 39928 1096 22 stars star NNS 39928 1096 23 seen see VBN 39928 1096 24 are be VBP 39928 1096 25 projected project VBN 39928 1096 26 on on IN 39928 1096 27 an an DT 39928 1096 28 intensely intensely RB 39928 1096 29 dark dark JJ 39928 1096 30 background background NN 39928 1096 31 . . . 39928 1097 1 Sir Sir NNP 39928 1097 2 William William NNP 39928 1097 3 Herschel Herschel NNP 39928 1097 4 , , , 39928 1097 5 Humboldt Humboldt NNP 39928 1097 6 , , , 39928 1097 7 Sir Sir NNP 39928 1097 8 John John NNP 39928 1097 9 Herschel Herschel NNP 39928 1097 10 , , , 39928 1097 11 R.A. R.A. NNP 39928 1097 12 Proctor Proctor NNP 39928 1097 13 , , , 39928 1097 14 and and CC 39928 1097 15 many many JJ 39928 1097 16 living living NN 39928 1097 17 astronomers astronomer NNS 39928 1097 18 hold hold VBP 39928 1097 19 that that IN 39928 1097 20 , , , 39928 1097 21 in in IN 39928 1097 22 these these DT 39928 1097 23 dark dark JJ 39928 1097 24 areas area NNS 39928 1097 25 , , , 39928 1097 26 rifts rift NNS 39928 1097 27 , , , 39928 1097 28 and and CC 39928 1097 29 patches patch NNS 39928 1097 30 , , , 39928 1097 31 we -PRON- PRP 39928 1097 32 see see VBP 39928 1097 33 completely completely RB 39928 1097 34 through through IN 39928 1097 35 our -PRON- PRP$ 39928 1097 36 stellar stellar JJ 39928 1097 37 universe universe NN 39928 1097 38 into into IN 39928 1097 39 the the DT 39928 1097 40 starless starless NN 39928 1097 41 depths depth NNS 39928 1097 42 of of IN 39928 1097 43 space space NN 39928 1097 44 beyond beyond RB 39928 1097 45 . . . 39928 1098 1 ( ( -LRB- 39928 1098 2 3 3 LS 39928 1098 3 ) ) -RRB- 39928 1098 4 Then then RB 39928 1098 5 we -PRON- PRP 39928 1098 6 have have VBP 39928 1098 7 the the DT 39928 1098 8 remarkable remarkable JJ 39928 1098 9 fact fact NN 39928 1098 10 that that IN 39928 1098 11 the the DT 39928 1098 12 steady steady JJ 39928 1098 13 increase increase NN 39928 1098 14 in in IN 39928 1098 15 the the DT 39928 1098 16 number number NN 39928 1098 17 of of IN 39928 1098 18 stars star NNS 39928 1098 19 , , , 39928 1098 20 down down RB 39928 1098 21 to to IN 39928 1098 22 the the DT 39928 1098 23 ninth ninth JJ 39928 1098 24 or or CC 39928 1098 25 tenth tenth JJ 39928 1098 26 magnitudes magnitude NNS 39928 1098 27 , , , 39928 1098 28 following follow VBG 39928 1098 29 one one CD 39928 1098 30 constant constant JJ 39928 1098 31 ratio ratio NN 39928 1098 32 either either CC 39928 1098 33 gradually gradually RB 39928 1098 34 or or CC 39928 1098 35 suddenly suddenly RB 39928 1098 36 changes change VBZ 39928 1098 37 , , , 39928 1098 38 so so IN 39928 1098 39 that that IN 39928 1098 40 the the DT 39928 1098 41 total total JJ 39928 1098 42 number number NN 39928 1098 43 from from IN 39928 1098 44 the the DT 39928 1098 45 tenth tenth NN 39928 1098 46 down down RB 39928 1098 47 to to IN 39928 1098 48 the the DT 39928 1098 49 seventeenth seventeenth JJ 39928 1098 50 magnitudes magnitude NNS 39928 1098 51 is be VBZ 39928 1098 52 only only RB 39928 1098 53 about about RB 39928 1098 54 one one CD 39928 1098 55 - - HYPH 39928 1098 56 tenth tenth NN 39928 1098 57 of of IN 39928 1098 58 what what WP 39928 1098 59 it -PRON- PRP 39928 1098 60 would would MD 39928 1098 61 have have VB 39928 1098 62 been be VBN 39928 1098 63 had have VBN 39928 1098 64 the the DT 39928 1098 65 same same JJ 39928 1098 66 ratio ratio NN 39928 1098 67 of of IN 39928 1098 68 increase increase NN 39928 1098 69 continued continue VBD 39928 1098 70 . . . 39928 1099 1 The the DT 39928 1099 2 conclusion conclusion NN 39928 1099 3 to to TO 39928 1099 4 be be VB 39928 1099 5 drawn draw VBN 39928 1099 6 from from IN 39928 1099 7 this this DT 39928 1099 8 fact fact NN 39928 1099 9 clearly clearly RB 39928 1099 10 is be VBZ 39928 1099 11 , , , 39928 1099 12 that that IN 39928 1099 13 these these DT 39928 1099 14 faint faint JJ 39928 1099 15 stars star NNS 39928 1099 16 are be VBP 39928 1099 17 becoming become VBG 39928 1099 18 more more RBR 39928 1099 19 and and CC 39928 1099 20 more more RBR 39928 1099 21 thinly thinly RB 39928 1099 22 scattered scatter VBN 39928 1099 23 in in IN 39928 1099 24 space space NN 39928 1099 25 , , , 39928 1099 26 while while IN 39928 1099 27 the the DT 39928 1099 28 dark dark JJ 39928 1099 29 background background NN 39928 1099 30 on on IN 39928 1099 31 which which WDT 39928 1099 32 they -PRON- PRP 39928 1099 33 are be VBP 39928 1099 34 usually usually RB 39928 1099 35 seen see VBN 39928 1099 36 shows show NNS 39928 1099 37 that that IN 39928 1099 38 , , , 39928 1099 39 except except IN 39928 1099 40 in in IN 39928 1099 41 the the DT 39928 1099 42 region region NN 39928 1099 43 of of IN 39928 1099 44 the the DT 39928 1099 45 Milky Milky NNP 39928 1099 46 Way Way NNP 39928 1099 47 , , , 39928 1099 48 there there EX 39928 1099 49 are be VBP 39928 1099 50 _ _ NNP 39928 1099 51 not not RB 39928 1099 52 _ _ NNP 39928 1099 53 multitudes multitude NNS 39928 1099 54 of of IN 39928 1099 55 still still RB 39928 1099 56 smaller small JJR 39928 1099 57 invisible invisible JJ 39928 1099 58 stars star NNS 39928 1099 59 beyond beyond IN 39928 1099 60 them -PRON- PRP 39928 1099 61 . . . 39928 1100 1 ( ( -LRB- 39928 1100 2 4 4 LS 39928 1100 3 ) ) -RRB- 39928 1100 4 The the DT 39928 1100 5 last last JJ 39928 1100 6 indication indication NN 39928 1100 7 of of IN 39928 1100 8 a a DT 39928 1100 9 limited limited JJ 39928 1100 10 stellar stellar JJ 39928 1100 11 universe universe NN 39928 1100 12 -- -- : 39928 1100 13 the the DT 39928 1100 14 estimate estimate NN 39928 1100 15 of of IN 39928 1100 16 numbers number NNS 39928 1100 17 by by IN 39928 1100 18 the the DT 39928 1100 19 light light NN 39928 1100 20 - - HYPH 39928 1100 21 ratio ratio NN 39928 1100 22 of of IN 39928 1100 23 each each DT 39928 1100 24 successive successive JJ 39928 1100 25 magnitude magnitude NN 39928 1100 26 -- -- : 39928 1100 27 powerfully powerfully RB 39928 1100 28 supports support VBZ 39928 1100 29 the the DT 39928 1100 30 three three CD 39928 1100 31 preceding precede VBG 39928 1100 32 arguments argument NNS 39928 1100 33 . . . 39928 1101 1 The the DT 39928 1101 2 four four CD 39928 1101 3 distinct distinct JJ 39928 1101 4 classes class NNS 39928 1101 5 of of IN 39928 1101 6 evidence evidence NN 39928 1101 7 now now RB 39928 1101 8 adduced adduce VBN 39928 1101 9 must must MD 39928 1101 10 be be VB 39928 1101 11 held hold VBN 39928 1101 12 to to TO 39928 1101 13 constitute constitute VB 39928 1101 14 , , , 39928 1101 15 as as RB 39928 1101 16 nearly nearly RB 39928 1101 17 as as IN 39928 1101 18 the the DT 39928 1101 19 circumstances circumstance NNS 39928 1101 20 permit permit VBP 39928 1101 21 , , , 39928 1101 22 a a DT 39928 1101 23 satisfactory satisfactory JJ 39928 1101 24 proof proof NN 39928 1101 25 that that IN 39928 1101 26 the the DT 39928 1101 27 stellar stellar JJ 39928 1101 28 universe universe NN 39928 1101 29 , , , 39928 1101 30 of of IN 39928 1101 31 which which WDT 39928 1101 32 our -PRON- PRP$ 39928 1101 33 solar solar JJ 39928 1101 34 system system NN 39928 1101 35 forms form VBZ 39928 1101 36 a a DT 39928 1101 37 part part NN 39928 1101 38 , , , 39928 1101 39 has have VBZ 39928 1101 40 definite definite JJ 39928 1101 41 limits limit NNS 39928 1101 42 ; ; : 39928 1101 43 and and CC 39928 1101 44 that that IN 39928 1101 45 a a DT 39928 1101 46 full full JJ 39928 1101 47 knowledge knowledge NN 39928 1101 48 of of IN 39928 1101 49 its -PRON- PRP$ 39928 1101 50 form form NN 39928 1101 51 , , , 39928 1101 52 structure structure NN 39928 1101 53 , , , 39928 1101 54 and and CC 39928 1101 55 extent extent NN 39928 1101 56 , , , 39928 1101 57 is be VBZ 39928 1101 58 not not RB 39928 1101 59 beyond beyond IN 39928 1101 60 the the DT 39928 1101 61 possibility possibility NN 39928 1101 62 of of IN 39928 1101 63 attainment attainment JJ 39928 1101 64 by by IN 39928 1101 65 the the DT 39928 1101 66 astronomers astronomer NNS 39928 1101 67 of of IN 39928 1101 68 the the DT 39928 1101 69 future future NN 39928 1101 70 . . . 39928 1102 1 FOOTNOTES footnote NNS 39928 1102 2 : : : 39928 1102 3 [ [ -LRB- 39928 1102 4 1 1 CD 39928 1102 5 ] ] -RRB- 39928 1102 6 In in IN 39928 1102 7 a a DT 39928 1102 8 letter letter NN 39928 1102 9 to to IN 39928 1102 10 _ _ NNP 39928 1102 11 Knowledge Knowledge NNP 39928 1102 12 _ _ NNP 39928 1102 13 , , , 39928 1102 14 June June NNP 39928 1102 15 1903 1903 CD 39928 1102 16 , , , 39928 1102 17 Mr. Mr. NNP 39928 1102 18 W.H.T. W.H.T. NNP 39928 1103 1 Monck Monck NNP 39928 1103 2 puts put VBZ 39928 1103 3 the the DT 39928 1103 4 same same JJ 39928 1103 5 point point NN 39928 1103 6 in in IN 39928 1103 7 a a DT 39928 1103 8 mathematical mathematical JJ 39928 1103 9 form form NN 39928 1103 10 . . . 39928 1104 1 [ [ -LRB- 39928 1104 2 2 2 LS 39928 1104 3 ] ] -RRB- 39928 1104 4 _ _ NNP 39928 1104 5 Outlines Outlines NNP 39928 1104 6 of of IN 39928 1104 7 Astronomy Astronomy NNP 39928 1104 8 _ _ NNP 39928 1104 9 , , , 39928 1104 10 pp pp NNP 39928 1104 11 . . . 39928 1105 1 578 578 CD 39928 1105 2 - - SYM 39928 1105 3 9 9 CD 39928 1105 4 . . . 39928 1106 1 In in IN 39928 1106 2 the the DT 39928 1106 3 passages passage NNS 39928 1106 4 quoted quote VBD 39928 1106 5 the the DT 39928 1106 6 italics italic NNS 39928 1106 7 are be VBP 39928 1106 8 Sor Sor NNP 39928 1106 9 John John NNP 39928 1106 10 Herschel Herschel NNP 39928 1106 11 's 's POS 39928 1106 12 . . . 39928 1107 1 [ [ -LRB- 39928 1107 2 3 3 LS 39928 1107 3 ] ] -RRB- 39928 1107 4 Mr. Mr. NNP 39928 1107 5 J.E. J.E. NNP 39928 1108 1 Gore Gore NNP 39928 1108 2 in in IN 39928 1108 3 _ _ NNP 39928 1108 4 Concise Concise NNP 39928 1108 5 Knowledge Knowledge NNP 39928 1108 6 Astronomy Astronomy NNP 39928 1108 7 _ _ NNP 39928 1108 8 , , , 39928 1108 9 pp pp NNP 39928 1108 10 . . . 39928 1109 1 541 541 CD 39928 1109 2 - - SYM 39928 1109 3 2 2 CD 39928 1109 4 . . . 39928 1110 1 CHAPTER chapter NN 39928 1110 2 VIII viii VBP 39928 1110 3 OUR our PRP$ 39928 1110 4 RELATION relation NN 39928 1110 5 TO to IN 39928 1110 6 THE the DT 39928 1110 7 MILKY MILKY NNP 39928 1110 8 WAY WAY NNP 39928 1110 9 We -PRON- PRP 39928 1110 10 now now RB 39928 1110 11 approach approach VBP 39928 1110 12 what what WP 39928 1110 13 may may MD 39928 1110 14 be be VB 39928 1110 15 termed term VBN 39928 1110 16 the the DT 39928 1110 17 very very JJ 39928 1110 18 heart heart NN 39928 1110 19 of of IN 39928 1110 20 the the DT 39928 1110 21 subject subject NN 39928 1110 22 of of IN 39928 1110 23 our -PRON- PRP$ 39928 1110 24 inquiry inquiry NN 39928 1110 25 , , , 39928 1110 26 the the DT 39928 1110 27 determination determination NN 39928 1110 28 of of IN 39928 1110 29 how how WRB 39928 1110 30 we -PRON- PRP 39928 1110 31 are be VBP 39928 1110 32 actually actually RB 39928 1110 33 situated situate VBN 39928 1110 34 within within IN 39928 1110 35 this this DT 39928 1110 36 vast vast JJ 39928 1110 37 but but CC 39928 1110 38 finite finite JJ 39928 1110 39 universe universe NN 39928 1110 40 , , , 39928 1110 41 and and CC 39928 1110 42 how how WRB 39928 1110 43 that that DT 39928 1110 44 position position NN 39928 1110 45 is be VBZ 39928 1110 46 likely likely JJ 39928 1110 47 to to TO 39928 1110 48 affect affect VB 39928 1110 49 our -PRON- PRP$ 39928 1110 50 globe globe NN 39928 1110 51 as as IN 39928 1110 52 being be VBG 39928 1110 53 the the DT 39928 1110 54 theatre theatre NN 39928 1110 55 of of IN 39928 1110 56 the the DT 39928 1110 57 development development NN 39928 1110 58 of of IN 39928 1110 59 life life NN 39928 1110 60 up up RP 39928 1110 61 to to IN 39928 1110 62 its -PRON- PRP$ 39928 1110 63 highest high JJS 39928 1110 64 forms form NNS 39928 1110 65 . . . 39928 1111 1 We -PRON- PRP 39928 1111 2 begin begin VBP 39928 1111 3 with with IN 39928 1111 4 our -PRON- PRP$ 39928 1111 5 relation relation NN 39928 1111 6 to to IN 39928 1111 7 the the DT 39928 1111 8 Milky Milky NNP 39928 1111 9 Way Way NNP 39928 1111 10 ( ( -LRB- 39928 1111 11 which which WDT 39928 1111 12 we -PRON- PRP 39928 1111 13 have have VBP 39928 1111 14 fully fully RB 39928 1111 15 described describe VBN 39928 1111 16 in in IN 39928 1111 17 our -PRON- PRP$ 39928 1111 18 fourth fourth JJ 39928 1111 19 chapter chapter NN 39928 1111 20 ) ) -RRB- 39928 1111 21 , , , 39928 1111 22 because because IN 39928 1111 23 it -PRON- PRP 39928 1111 24 is be VBZ 39928 1111 25 by by IN 39928 1111 26 far far RB 39928 1111 27 the the DT 39928 1111 28 most most RBS 39928 1111 29 important important JJ 39928 1111 30 feature feature NN 39928 1111 31 in in IN 39928 1111 32 the the DT 39928 1111 33 whole whole JJ 39928 1111 34 heavens heaven NNS 39928 1111 35 . . . 39928 1112 1 Sir Sir NNP 39928 1112 2 John John NNP 39928 1112 3 Herschel Herschel NNP 39928 1112 4 termed term VBD 39928 1112 5 it -PRON- PRP 39928 1112 6 ' ' `` 39928 1112 7 the the DT 39928 1112 8 ground ground NN 39928 1112 9 - - HYPH 39928 1112 10 plane plane NN 39928 1112 11 of of IN 39928 1112 12 the the DT 39928 1112 13 sidereal sidereal JJ 39928 1112 14 system system NN 39928 1112 15 ' ' '' 39928 1112 16 ; ; : 39928 1112 17 and and CC 39928 1112 18 the the DT 39928 1112 19 more more JJR 39928 1112 20 it -PRON- PRP 39928 1112 21 is be VBZ 39928 1112 22 studied study VBN 39928 1112 23 the the DT 39928 1112 24 more more RBR 39928 1112 25 we -PRON- PRP 39928 1112 26 become become VBP 39928 1112 27 convinced convinced JJ 39928 1112 28 that that IN 39928 1112 29 the the DT 39928 1112 30 whole whole NN 39928 1112 31 of of IN 39928 1112 32 the the DT 39928 1112 33 stellar stellar JJ 39928 1112 34 universe universe NN 39928 1112 35 -- -- : 39928 1112 36 stars star NNS 39928 1112 37 , , , 39928 1112 38 clusters cluster NNS 39928 1112 39 of of IN 39928 1112 40 stars star NNS 39928 1112 41 , , , 39928 1112 42 and and CC 39928 1112 43 nebulæ nebulæ NN 39928 1112 44 -- -- : 39928 1112 45 are be VBP 39928 1112 46 in in IN 39928 1112 47 some some DT 39928 1112 48 way way NN 39928 1112 49 connected connect VBN 39928 1112 50 with with IN 39928 1112 51 it -PRON- PRP 39928 1112 52 , , , 39928 1112 53 and and CC 39928 1112 54 are be VBP 39928 1112 55 probably probably RB 39928 1112 56 dependent dependent JJ 39928 1112 57 on on IN 39928 1112 58 it -PRON- PRP 39928 1112 59 or or CC 39928 1112 60 controlled control VBN 39928 1112 61 by by IN 39928 1112 62 it -PRON- PRP 39928 1112 63 . . . 39928 1113 1 Not not RB 39928 1113 2 only only RB 39928 1113 3 does do VBZ 39928 1113 4 it -PRON- PRP 39928 1113 5 contain contain VB 39928 1113 6 a a DT 39928 1113 7 greater great JJR 39928 1113 8 number number NN 39928 1113 9 of of IN 39928 1113 10 stars star NNS 39928 1113 11 of of IN 39928 1113 12 the the DT 39928 1113 13 higher high JJR 39928 1113 14 magnitudes magnitude NNS 39928 1113 15 than than IN 39928 1113 16 any any DT 39928 1113 17 other other JJ 39928 1113 18 part part NN 39928 1113 19 of of IN 39928 1113 20 the the DT 39928 1113 21 heavens heaven NNS 39928 1113 22 of of IN 39928 1113 23 equal equal JJ 39928 1113 24 extent extent NN 39928 1113 25 , , , 39928 1113 26 but but CC 39928 1113 27 it -PRON- PRP 39928 1113 28 also also RB 39928 1113 29 comprises comprise VBZ 39928 1113 30 a a DT 39928 1113 31 great great JJ 39928 1113 32 preponderance preponderance NN 39928 1113 33 of of IN 39928 1113 34 star star NN 39928 1113 35 - - HYPH 39928 1113 36 clusters cluster NNS 39928 1113 37 , , , 39928 1113 38 and and CC 39928 1113 39 a a DT 39928 1113 40 great great JJ 39928 1113 41 extent extent NN 39928 1113 42 of of IN 39928 1113 43 diffused diffuse VBN 39928 1113 44 nebulous nebulous JJ 39928 1113 45 matter matter NN 39928 1113 46 , , , 39928 1113 47 besides besides IN 39928 1113 48 the the DT 39928 1113 49 innumerable innumerable JJ 39928 1113 50 myriads myriad NNS 39928 1113 51 of of IN 39928 1113 52 minute minute NN 39928 1113 53 stars star NNS 39928 1113 54 which which WDT 39928 1113 55 produce produce VBP 39928 1113 56 its -PRON- PRP$ 39928 1113 57 characteristic characteristic JJ 39928 1113 58 cloud cloud NN 39928 1113 59 - - HYPH 39928 1113 60 like like JJ 39928 1113 61 appearance appearance NN 39928 1113 62 . . . 39928 1114 1 It -PRON- PRP 39928 1114 2 is be VBZ 39928 1114 3 also also RB 39928 1114 4 the the DT 39928 1114 5 region region NN 39928 1114 6 of of IN 39928 1114 7 those those DT 39928 1114 8 strange strange JJ 39928 1114 9 outbursts outburst NNS 39928 1114 10 forming form VBG 39928 1114 11 new new JJ 39928 1114 12 stars star NNS 39928 1114 13 ; ; : 39928 1114 14 while while IN 39928 1114 15 gaseous gaseous JJ 39928 1114 16 stars star NNS 39928 1114 17 of of IN 39928 1114 18 enormous enormous JJ 39928 1114 19 bulk bulk NN 39928 1114 20 -- -- : 39928 1114 21 some some DT 39928 1114 22 probably probably RB 39928 1114 23 a a DT 39928 1114 24 thousand thousand CD 39928 1114 25 or or CC 39928 1114 26 even even RB 39928 1114 27 ten ten CD 39928 1114 28 thousand thousand CD 39928 1114 29 times time NNS 39928 1114 30 that that DT 39928 1114 31 of of IN 39928 1114 32 our -PRON- PRP$ 39928 1114 33 sun sun NN 39928 1114 34 , , , 39928 1114 35 and and CC 39928 1114 36 of of IN 39928 1114 37 intense intense JJ 39928 1114 38 heat heat NN 39928 1114 39 and and CC 39928 1114 40 brilliancy brilliancy NN 39928 1114 41 -- -- : 39928 1114 42 are be VBP 39928 1114 43 more more RBR 39928 1114 44 abundant abundant JJ 39928 1114 45 there there RB 39928 1114 46 than than IN 39928 1114 47 in in IN 39928 1114 48 any any DT 39928 1114 49 other other JJ 39928 1114 50 part part NN 39928 1114 51 of of IN 39928 1114 52 the the DT 39928 1114 53 heavens heavens NNPS 39928 1114 54 . . . 39928 1115 1 It -PRON- PRP 39928 1115 2 is be VBZ 39928 1115 3 now now RB 39928 1115 4 almost almost RB 39928 1115 5 certain certain JJ 39928 1115 6 that that IN 39928 1115 7 these these DT 39928 1115 8 enormous enormous JJ 39928 1115 9 stars star NNS 39928 1115 10 and and CC 39928 1115 11 the the DT 39928 1115 12 myriads myriad NNS 39928 1115 13 of of IN 39928 1115 14 minute minute NN 39928 1115 15 stars star NNS 39928 1115 16 just just RB 39928 1115 17 visible visible JJ 39928 1115 18 with with IN 39928 1115 19 the the DT 39928 1115 20 largest large JJS 39928 1115 21 telescopes telescope NNS 39928 1115 22 , , , 39928 1115 23 are be VBP 39928 1115 24 actually actually RB 39928 1115 25 intermingled intermingle VBN 39928 1115 26 , , , 39928 1115 27 and and CC 39928 1115 28 together together RB 39928 1115 29 constitute constitute VB 39928 1115 30 its -PRON- PRP$ 39928 1115 31 essential essential JJ 39928 1115 32 features feature NNS 39928 1115 33 ; ; : 39928 1115 34 in in IN 39928 1115 35 which which WDT 39928 1115 36 case case NN 39928 1115 37 the the DT 39928 1115 38 fainter fainter NN 39928 1115 39 stars star NNS 39928 1115 40 are be VBP 39928 1115 41 really really RB 39928 1115 42 small small JJ 39928 1115 43 and and CC 39928 1115 44 can can MD 39928 1115 45 not not RB 39928 1115 46 be be VB 39928 1115 47 far far RB 39928 1115 48 apart apart RB 39928 1115 49 , , , 39928 1115 50 forming form VBG 39928 1115 51 , , , 39928 1115 52 as as IN 39928 1115 53 it -PRON- PRP 39928 1115 54 were be VBD 39928 1115 55 , , , 39928 1115 56 the the DT 39928 1115 57 first first JJ 39928 1115 58 aggregations aggregation NNS 39928 1115 59 of of IN 39928 1115 60 the the DT 39928 1115 61 nebulous nebulous JJ 39928 1115 62 substratum substratum NN 39928 1115 63 , , , 39928 1115 64 and and CC 39928 1115 65 perhaps perhaps RB 39928 1115 66 supplying supply VBG 39928 1115 67 the the DT 39928 1115 68 fuel fuel NN 39928 1115 69 which which WDT 39928 1115 70 keeps keep VBZ 39928 1115 71 up up RP 39928 1115 72 the the DT 39928 1115 73 intense intense JJ 39928 1115 74 brilliancy brilliancy NN 39928 1115 75 of of IN 39928 1115 76 the the DT 39928 1115 77 giant giant JJ 39928 1115 78 suns sun NNS 39928 1115 79 . . . 39928 1116 1 If if IN 39928 1116 2 this this DT 39928 1116 3 is be VBZ 39928 1116 4 so so RB 39928 1116 5 , , , 39928 1116 6 then then RB 39928 1116 7 the the DT 39928 1116 8 Galaxy Galaxy NNP 39928 1116 9 must must MD 39928 1116 10 be be VB 39928 1116 11 the the DT 39928 1116 12 theatre theatre NN 39928 1116 13 of of IN 39928 1116 14 operation operation NN 39928 1116 15 of of IN 39928 1116 16 vast vast JJ 39928 1116 17 forces force NNS 39928 1116 18 , , , 39928 1116 19 and and CC 39928 1116 20 of of IN 39928 1116 21 continuous continuous JJ 39928 1116 22 combinations combination NNS 39928 1116 23 of of IN 39928 1116 24 matter matter NN 39928 1116 25 , , , 39928 1116 26 which which WDT 39928 1116 27 escape escape VBP 39928 1116 28 our -PRON- PRP$ 39928 1116 29 notice notice NN 39928 1116 30 owing owe VBG 39928 1116 31 to to IN 39928 1116 32 its -PRON- PRP$ 39928 1116 33 enormous enormous JJ 39928 1116 34 distance distance NN 39928 1116 35 from from IN 39928 1116 36 us -PRON- PRP 39928 1116 37 . . . 39928 1117 1 Among among IN 39928 1117 2 its -PRON- PRP$ 39928 1117 3 millions million NNS 39928 1117 4 of of IN 39928 1117 5 minute minute NN 39928 1117 6 telescopic telescopic JJ 39928 1117 7 stars star NNS 39928 1117 8 , , , 39928 1117 9 hundreds hundred NNS 39928 1117 10 or or CC 39928 1117 11 thousands thousand NNS 39928 1117 12 may may MD 39928 1117 13 appear appear VB 39928 1117 14 or or CC 39928 1117 15 disappear disappear VB 39928 1117 16 yearly yearly RB 39928 1117 17 without without IN 39928 1117 18 being be VBG 39928 1117 19 perceived perceive VBN 39928 1117 20 by by IN 39928 1117 21 us -PRON- PRP 39928 1117 22 , , , 39928 1117 23 till till IN 39928 1117 24 the the DT 39928 1117 25 photographic photographic JJ 39928 1117 26 charts chart NNS 39928 1117 27 are be VBP 39928 1117 28 completed complete VBN 39928 1117 29 and and CC 39928 1117 30 can can MD 39928 1117 31 be be VB 39928 1117 32 minutely minutely RB 39928 1117 33 scrutinised scrutinise VBN 39928 1117 34 at at IN 39928 1117 35 short short JJ 39928 1117 36 intervals interval NNS 39928 1117 37 . . . 39928 1118 1 As as IN 39928 1118 2 undoubted undoubted JJ 39928 1118 3 changes change NNS 39928 1118 4 have have VBP 39928 1118 5 occurred occur VBN 39928 1118 6 in in IN 39928 1118 7 many many JJ 39928 1118 8 of of IN 39928 1118 9 the the DT 39928 1118 10 larger large JJR 39928 1118 11 nebulæ nebulæ NN 39928 1118 12 during during IN 39928 1118 13 the the DT 39928 1118 14 last last JJ 39928 1118 15 fifty fifty CD 39928 1118 16 years year NNS 39928 1118 17 , , , 39928 1118 18 we -PRON- PRP 39928 1118 19 may may MD 39928 1118 20 anticipate anticipate VB 39928 1118 21 that that IN 39928 1118 22 analogous analogous JJ 39928 1118 23 changes change NNS 39928 1118 24 will will MD 39928 1118 25 soon soon RB 39928 1118 26 be be VB 39928 1118 27 noted note VBN 39928 1118 28 in in IN 39928 1118 29 the the DT 39928 1118 30 stars star NNS 39928 1118 31 and and CC 39928 1118 32 the the DT 39928 1118 33 nebulous nebulous JJ 39928 1118 34 masses masse NNS 39928 1118 35 of of IN 39928 1118 36 the the DT 39928 1118 37 Milky Milky NNP 39928 1118 38 Way Way NNP 39928 1118 39 . . . 39928 1119 1 Dr. Dr. NNP 39928 1119 2 Isaac Isaac NNP 39928 1119 3 Roberts Roberts NNP 39928 1119 4 has have VBZ 39928 1119 5 even even RB 39928 1119 6 observed observe VBN 39928 1119 7 changes change NNS 39928 1119 8 in in IN 39928 1119 9 nebulæ nebulæ NN 39928 1119 10 after after IN 39928 1119 11 such such PDT 39928 1119 12 a a DT 39928 1119 13 short short JJ 39928 1119 14 interval interval NN 39928 1119 15 as as IN 39928 1119 16 eight eight CD 39928 1119 17 years year NNS 39928 1119 18 . . . 39928 1120 1 THE the DT 39928 1120 2 MILKY MILKY NNP 39928 1120 3 WAY WAY NNP 39928 1120 4 A a DT 39928 1120 5 GREAT GREAT NNP 39928 1120 6 CIRCLE circle NN 39928 1120 7 Notwithstanding notwithstanding IN 39928 1120 8 all all PDT 39928 1120 9 its -PRON- PRP$ 39928 1120 10 irregularities irregularity NNS 39928 1120 11 , , , 39928 1120 12 its -PRON- PRP$ 39928 1120 13 divisions division NNS 39928 1120 14 , , , 39928 1120 15 and and CC 39928 1120 16 its -PRON- PRP$ 39928 1120 17 diverging diverge VBG 39928 1120 18 branches branch NNS 39928 1120 19 , , , 39928 1120 20 astronomers astronomer NNS 39928 1120 21 are be VBP 39928 1120 22 generally generally RB 39928 1120 23 agreed agree VBN 39928 1120 24 that that IN 39928 1120 25 the the DT 39928 1120 26 Milky Milky NNP 39928 1120 27 Way Way NNP 39928 1120 28 forms form VBZ 39928 1120 29 a a DT 39928 1120 30 great great JJ 39928 1120 31 circle circle NN 39928 1120 32 in in IN 39928 1120 33 the the DT 39928 1120 34 heavens heavens NNPS 39928 1120 35 . . . 39928 1121 1 Sir Sir NNP 39928 1121 2 John John NNP 39928 1121 3 Herschel Herschel NNP 39928 1121 4 , , , 39928 1121 5 whose whose WP$ 39928 1121 6 knowledge knowledge NN 39928 1121 7 of of IN 39928 1121 8 it -PRON- PRP 39928 1121 9 was be VBD 39928 1121 10 unrivalled unrivalled JJ 39928 1121 11 , , , 39928 1121 12 stated state VBD 39928 1121 13 that that IN 39928 1121 14 its -PRON- PRP$ 39928 1121 15 course course NN 39928 1121 16 ' ' '' 39928 1121 17 conforms conform NNS 39928 1121 18 , , , 39928 1121 19 as as RB 39928 1121 20 nearly nearly RB 39928 1121 21 as as IN 39928 1121 22 the the DT 39928 1121 23 indefiniteness indefiniteness NN 39928 1121 24 of of IN 39928 1121 25 its -PRON- PRP$ 39928 1121 26 boundary boundary NN 39928 1121 27 will will MD 39928 1121 28 allow allow VB 39928 1121 29 it -PRON- PRP 39928 1121 30 to to TO 39928 1121 31 be be VB 39928 1121 32 fixed fix VBN 39928 1121 33 , , , 39928 1121 34 to to IN 39928 1121 35 that that DT 39928 1121 36 of of IN 39928 1121 37 a a DT 39928 1121 38 great great JJ 39928 1121 39 circle circle NN 39928 1121 40 ' ' '' 39928 1121 41 ; ; : 39928 1121 42 and and CC 39928 1121 43 he -PRON- PRP 39928 1121 44 gives give VBZ 39928 1121 45 the the DT 39928 1121 46 Right Right NNP 39928 1121 47 Ascension Ascension NNP 39928 1121 48 and and CC 39928 1121 49 Declination Declination NNP 39928 1121 50 of of IN 39928 1121 51 the the DT 39928 1121 52 points point NNS 39928 1121 53 where where WRB 39928 1121 54 it -PRON- PRP 39928 1121 55 crosses cross VBZ 39928 1121 56 the the DT 39928 1121 57 equinoctial equinoctial NN 39928 1121 58 , , , 39928 1121 59 in in IN 39928 1121 60 figures figure NNS 39928 1121 61 which which WDT 39928 1121 62 define define VBP 39928 1121 63 those those DT 39928 1121 64 points point NNS 39928 1121 65 as as IN 39928 1121 66 being be VBG 39928 1121 67 exactly exactly RB 39928 1121 68 opposite opposite RB 39928 1121 69 each each DT 39928 1121 70 other other JJ 39928 1121 71 . . . 39928 1122 1 He -PRON- PRP 39928 1122 2 also also RB 39928 1122 3 defines define VBZ 39928 1122 4 its -PRON- PRP$ 39928 1122 5 northern northern JJ 39928 1122 6 and and CC 39928 1122 7 southern southern JJ 39928 1122 8 poles pole NNS 39928 1122 9 by by IN 39928 1122 10 other other JJ 39928 1122 11 figures figure NNS 39928 1122 12 , , , 39928 1122 13 so so IN 39928 1122 14 as as IN 39928 1122 15 to to TO 39928 1122 16 show show VB 39928 1122 17 that that IN 39928 1122 18 they -PRON- PRP 39928 1122 19 are be VBP 39928 1122 20 the the DT 39928 1122 21 poles pole NNS 39928 1122 22 of of IN 39928 1122 23 a a DT 39928 1122 24 great great JJ 39928 1122 25 circle circle NN 39928 1122 26 . . . 39928 1123 1 And and CC 39928 1123 2 after after IN 39928 1123 3 referring refer VBG 39928 1123 4 to to IN 39928 1123 5 Struve Struve NNP 39928 1123 6 's 's POS 39928 1123 7 view view NN 39928 1123 8 that that IN 39928 1123 9 it -PRON- PRP 39928 1123 10 was be VBD 39928 1123 11 _ _ NNP 39928 1123 12 not not RB 39928 1123 13 _ _ NNP 39928 1123 14 a a DT 39928 1123 15 great great JJ 39928 1123 16 circle circle NN 39928 1123 17 , , , 39928 1123 18 he -PRON- PRP 39928 1123 19 says say VBZ 39928 1123 20 , , , 39928 1123 21 ' ' `` 39928 1123 22 I -PRON- PRP 39928 1123 23 retain retain VBP 39928 1123 24 my -PRON- PRP$ 39928 1123 25 own own JJ 39928 1123 26 opinion opinion NN 39928 1123 27 . . . 39928 1123 28 ' ' '' 39928 1124 1 Professor Professor NNP 39928 1124 2 Newcomb Newcomb NNP 39928 1124 3 says say VBZ 39928 1124 4 that that IN 39928 1124 5 its -PRON- PRP$ 39928 1124 6 position position NN 39928 1124 7 ' ' `` 39928 1124 8 is be VBZ 39928 1124 9 nearly nearly RB 39928 1124 10 always always RB 39928 1124 11 near near IN 39928 1124 12 a a DT 39928 1124 13 great great JJ 39928 1124 14 circle circle NN 39928 1124 15 of of IN 39928 1124 16 the the DT 39928 1124 17 sphere sphere NN 39928 1124 18 ' ' '' 39928 1124 19 ; ; : 39928 1124 20 and and CC 39928 1124 21 again again RB 39928 1124 22 he -PRON- PRP 39928 1124 23 says say VBZ 39928 1124 24 : : : 39928 1124 25 ' ' `` 39928 1124 26 that that IN 39928 1124 27 we -PRON- PRP 39928 1124 28 are be VBP 39928 1124 29 in in IN 39928 1124 30 the the DT 39928 1124 31 galactic galactic JJ 39928 1124 32 plane plane NN 39928 1124 33 itself -PRON- PRP 39928 1124 34 seems seem VBZ 39928 1124 35 to to TO 39928 1124 36 be be VB 39928 1124 37 shown show VBN 39928 1124 38 in in IN 39928 1124 39 two two CD 39928 1124 40 ways way NNS 39928 1124 41 : : : 39928 1124 42 ( ( -LRB- 39928 1124 43 1 1 LS 39928 1124 44 ) ) -RRB- 39928 1124 45 the the DT 39928 1124 46 equality equality NN 39928 1124 47 in in IN 39928 1124 48 the the DT 39928 1124 49 counts count NNS 39928 1124 50 of of IN 39928 1124 51 stars star NNS 39928 1124 52 on on IN 39928 1124 53 the the DT 39928 1124 54 two two CD 39928 1124 55 sides side NNS 39928 1124 56 of of IN 39928 1124 57 this this DT 39928 1124 58 plane plane NN 39928 1124 59 all all PDT 39928 1124 60 the the DT 39928 1124 61 way way NN 39928 1124 62 to to IN 39928 1124 63 its -PRON- PRP$ 39928 1124 64 poles pole NNS 39928 1124 65 ; ; : 39928 1124 66 and and CC 39928 1124 67 ( ( -LRB- 39928 1124 68 2 2 LS 39928 1124 69 ) ) -RRB- 39928 1124 70 the the DT 39928 1124 71 fact fact NN 39928 1124 72 that that IN 39928 1124 73 the the DT 39928 1124 74 central central JJ 39928 1124 75 line line NN 39928 1124 76 of of IN 39928 1124 77 the the DT 39928 1124 78 Galaxy Galaxy NNP 39928 1124 79 is be VBZ 39928 1124 80 a a DT 39928 1124 81 great great JJ 39928 1124 82 circle circle NN 39928 1124 83 , , , 39928 1124 84 which which WDT 39928 1124 85 it -PRON- PRP 39928 1124 86 would would MD 39928 1124 87 not not RB 39928 1124 88 be be VB 39928 1124 89 if if IN 39928 1124 90 we -PRON- PRP 39928 1124 91 viewed view VBD 39928 1124 92 it -PRON- PRP 39928 1124 93 from from IN 39928 1124 94 one one CD 39928 1124 95 side side NN 39928 1124 96 of of IN 39928 1124 97 its -PRON- PRP$ 39928 1124 98 central central JJ 39928 1124 99 plane plane NN 39928 1124 100 ' ' '' 39928 1124 101 ( ( -LRB- 39928 1124 102 _ _ NNP 39928 1124 103 The the DT 39928 1124 104 Stars Stars NNPS 39928 1124 105 _ _ NNP 39928 1124 106 , , , 39928 1124 107 p. p. NN 39928 1124 108 317 317 CD 39928 1124 109 ) ) -RRB- 39928 1124 110 . . . 39928 1125 1 Miss Miss NNP 39928 1125 2 Clerke Clerke NNP 39928 1125 3 , , , 39928 1125 4 in in IN 39928 1125 5 her -PRON- PRP$ 39928 1125 6 _ _ NNP 39928 1125 7 History History NNP 39928 1125 8 of of IN 39928 1125 9 Astronomy Astronomy NNP 39928 1125 10 _ _ NNP 39928 1125 11 , , , 39928 1125 12 speaks speak VBZ 39928 1125 13 of of IN 39928 1125 14 ' ' `` 39928 1125 15 our -PRON- PRP$ 39928 1125 16 situation situation NN 39928 1125 17 _ _ NNP 39928 1125 18 in in IN 39928 1125 19 _ _ NNP 39928 1125 20 the the DT 39928 1125 21 galactic galactic JJ 39928 1125 22 plane plane NN 39928 1125 23 ' ' '' 39928 1125 24 as as IN 39928 1125 25 one one CD 39928 1125 26 of of IN 39928 1125 27 the the DT 39928 1125 28 undisputed undisputed JJ 39928 1125 29 facts fact NNS 39928 1125 30 of of IN 39928 1125 31 astronomy astronomy NN 39928 1125 32 ; ; : 39928 1125 33 while while IN 39928 1125 34 Sir Sir NNP 39928 1125 35 Norman Norman NNP 39928 1125 36 Lockyer Lockyer NNP 39928 1125 37 , , , 39928 1125 38 in in IN 39928 1125 39 a a DT 39928 1125 40 lecture lecture NN 39928 1125 41 delivered deliver VBN 39928 1125 42 in in IN 39928 1125 43 1899 1899 CD 39928 1125 44 , , , 39928 1125 45 said say VBD 39928 1125 46 , , , 39928 1125 47 ' ' '' 39928 1125 48 the the DT 39928 1125 49 middle middle JJ 39928 1125 50 line line NN 39928 1125 51 of of IN 39928 1125 52 the the DT 39928 1125 53 Milky Milky NNP 39928 1125 54 Way Way NNP 39928 1125 55 is be VBZ 39928 1125 56 really really RB 39928 1125 57 not not RB 39928 1125 58 distinguishable distinguishable JJ 39928 1125 59 from from IN 39928 1125 60 a a DT 39928 1125 61 great great JJ 39928 1125 62 circle circle NN 39928 1125 63 , , , 39928 1125 64 ' ' '' 39928 1125 65 and and CC 39928 1125 66 again again RB 39928 1125 67 in in IN 39928 1125 68 the the DT 39928 1125 69 same same JJ 39928 1125 70 lecture--'but lecture--'but NN 39928 1125 71 the the DT 39928 1125 72 recent recent JJ 39928 1125 73 work work NN 39928 1125 74 , , , 39928 1125 75 chiefly chiefly RB 39928 1125 76 of of IN 39928 1125 77 Gould Gould NNP 39928 1125 78 in in IN 39928 1125 79 Argentina Argentina NNP 39928 1125 80 , , , 39928 1125 81 has have VBZ 39928 1125 82 shown show VBN 39928 1125 83 that that IN 39928 1125 84 it -PRON- PRP 39928 1125 85 practically practically RB 39928 1125 86 is be VBZ 39928 1125 87 a a DT 39928 1125 88 great great JJ 39928 1125 89 circle circle NN 39928 1125 90 . . . 39928 1126 1 ' ' `` 39928 1126 2 [ [ -LRB- 39928 1126 3 4 4 CD 39928 1126 4 ] ] -RRB- 39928 1126 5 About about RB 39928 1126 6 this this DT 39928 1126 7 fact fact NN 39928 1126 8 , , , 39928 1126 9 then then RB 39928 1126 10 , , , 39928 1126 11 there there EX 39928 1126 12 can can MD 39928 1126 13 be be VB 39928 1126 14 no no DT 39928 1126 15 dispute dispute NN 39928 1126 16 . . . 39928 1127 1 A a DT 39928 1127 2 great great JJ 39928 1127 3 circle circle NN 39928 1127 4 is be VBZ 39928 1127 5 a a DT 39928 1127 6 circle circle NN 39928 1127 7 dividing divide VBG 39928 1127 8 the the DT 39928 1127 9 celestial celestial JJ 39928 1127 10 sphere sphere NN 39928 1127 11 into into IN 39928 1127 12 two two CD 39928 1127 13 equal equal JJ 39928 1127 14 portions portion NNS 39928 1127 15 , , , 39928 1127 16 as as IN 39928 1127 17 seen see VBN 39928 1127 18 from from IN 39928 1127 19 the the DT 39928 1127 20 earth earth NN 39928 1127 21 , , , 39928 1127 22 and and CC 39928 1127 23 therefore therefore RB 39928 1127 24 the the DT 39928 1127 25 plane plane NN 39928 1127 26 of of IN 39928 1127 27 this this DT 39928 1127 28 circle circle NN 39928 1127 29 must must MD 39928 1127 30 pass pass VB 39928 1127 31 through through IN 39928 1127 32 the the DT 39928 1127 33 earth earth NN 39928 1127 34 . . . 39928 1128 1 Of of RB 39928 1128 2 course course RB 39928 1128 3 the the DT 39928 1128 4 whole whole JJ 39928 1128 5 thing thing NN 39928 1128 6 is be VBZ 39928 1128 7 on on IN 39928 1128 8 such such PDT 39928 1128 9 a a DT 39928 1128 10 vast vast JJ 39928 1128 11 scale scale NN 39928 1128 12 , , , 39928 1128 13 the the DT 39928 1128 14 Milky Milky NNP 39928 1128 15 Way Way NNP 39928 1128 16 varying vary VBG 39928 1128 17 from from IN 39928 1128 18 ten ten CD 39928 1128 19 to to IN 39928 1128 20 thirty thirty CD 39928 1128 21 degrees degree NNS 39928 1128 22 wide wide JJ 39928 1128 23 , , , 39928 1128 24 that that IN 39928 1128 25 the the DT 39928 1128 26 plane plane NN 39928 1128 27 of of IN 39928 1128 28 its -PRON- PRP$ 39928 1128 29 circular circular JJ 39928 1128 30 course course NN 39928 1128 31 can can MD 39928 1128 32 not not RB 39928 1128 33 be be VB 39928 1128 34 determined determine VBN 39928 1128 35 with with IN 39928 1128 36 minute minute JJ 39928 1128 37 accuracy accuracy NN 39928 1128 38 . . . 39928 1129 1 But but CC 39928 1129 2 this this DT 39928 1129 3 is be VBZ 39928 1129 4 of of IN 39928 1129 5 little little JJ 39928 1129 6 importance importance NN 39928 1129 7 . . . 39928 1130 1 When when WRB 39928 1130 2 carefully carefully RB 39928 1130 3 laid lay VBN 39928 1130 4 down down RP 39928 1130 5 on on IN 39928 1130 6 a a DT 39928 1130 7 chart chart NN 39928 1130 8 , , , 39928 1130 9 as as IN 39928 1130 10 in in IN 39928 1130 11 that that DT 39928 1130 12 of of IN 39928 1130 13 Mr. Mr. NNP 39928 1130 14 Sidney Sidney NNP 39928 1130 15 Waters Waters NNP 39928 1130 16 ( ( -LRB- 39928 1130 17 see see VB 39928 1130 18 end end NN 39928 1130 19 of of IN 39928 1130 20 volume volume NN 39928 1130 21 ) ) -RRB- 39928 1130 22 , , , 39928 1130 23 we -PRON- PRP 39928 1130 24 can can MD 39928 1130 25 see see VB 39928 1130 26 that that IN 39928 1130 27 its -PRON- PRP$ 39928 1130 28 central central JJ 39928 1130 29 line line NN 39928 1130 30 does do VBZ 39928 1130 31 follow follow VB 39928 1130 32 a a DT 39928 1130 33 very very RB 39928 1130 34 even even RB 39928 1130 35 circular circular JJ 39928 1130 36 course course NN 39928 1130 37 , , , 39928 1130 38 conforming conform VBG 39928 1130 39 ' ' '' 39928 1130 40 as as RB 39928 1130 41 nearly nearly RB 39928 1130 42 as as IN 39928 1130 43 may may MD 39928 1130 44 be be VB 39928 1130 45 ' ' `` 39928 1130 46 to to IN 39928 1130 47 a a DT 39928 1130 48 great great JJ 39928 1130 49 circle circle NN 39928 1130 50 . . . 39928 1131 1 We -PRON- PRP 39928 1131 2 are be VBP 39928 1131 3 therefore therefore RB 39928 1131 4 certainly certainly RB 39928 1131 5 well well RB 39928 1131 6 within within IN 39928 1131 7 the the DT 39928 1131 8 space space NN 39928 1131 9 that that WDT 39928 1131 10 would would MD 39928 1131 11 be be VB 39928 1131 12 enclosed enclose VBN 39928 1131 13 if if IN 39928 1131 14 its -PRON- PRP$ 39928 1131 15 northern northern JJ 39928 1131 16 and and CC 39928 1131 17 southern southern JJ 39928 1131 18 margins margin NNS 39928 1131 19 were be VBD 39928 1131 20 connected connect VBN 39928 1131 21 together together RB 39928 1131 22 across across IN 39928 1131 23 the the DT 39928 1131 24 vast vast JJ 39928 1131 25 intervening intervening NN 39928 1131 26 abyss abyss NN 39928 1131 27 , , , 39928 1131 28 and and CC 39928 1131 29 in in IN 39928 1131 30 all all DT 39928 1131 31 probability probability NN 39928 1131 32 not not RB 39928 1131 33 far far RB 39928 1131 34 from from IN 39928 1131 35 the the DT 39928 1131 36 central central JJ 39928 1131 37 plane plane NN 39928 1131 38 of of IN 39928 1131 39 that that DT 39928 1131 40 enclosed enclose VBN 39928 1131 41 space space NN 39928 1131 42 . . . 39928 1132 1 THE the DT 39928 1132 2 FORM form NN 39928 1132 3 OF of IN 39928 1132 4 THE the DT 39928 1132 5 MILKY MILKY NNP 39928 1132 6 WAY WAY NNP 39928 1132 7 AND and CC 39928 1132 8 OUR our PRP$ 39928 1132 9 POSITION position NN 39928 1132 10 ON on IN 39928 1132 11 ITS its PRP$ 39928 1132 12 PLANE PLANE NNP 39928 1132 13 Although although IN 39928 1132 14 the the DT 39928 1132 15 Galaxy Galaxy NNP 39928 1132 16 forms form VBZ 39928 1132 17 a a DT 39928 1132 18 great great JJ 39928 1132 19 circle circle NN 39928 1132 20 in in IN 39928 1132 21 the the DT 39928 1132 22 heavens heavens NNPS 39928 1132 23 from from IN 39928 1132 24 our -PRON- PRP$ 39928 1132 25 point point NN 39928 1132 26 of of IN 39928 1132 27 view view NN 39928 1132 28 , , , 39928 1132 29 it -PRON- PRP 39928 1132 30 by by IN 39928 1132 31 no no DT 39928 1132 32 means means NN 39928 1132 33 follows follow VBZ 39928 1132 34 that that IN 39928 1132 35 it -PRON- PRP 39928 1132 36 is be VBZ 39928 1132 37 circular circular JJ 39928 1132 38 in in IN 39928 1132 39 plan plan NN 39928 1132 40 . . . 39928 1133 1 Being be VBG 39928 1133 2 unequal unequal JJ 39928 1133 3 in in IN 39928 1133 4 width width NN 39928 1133 5 and and CC 39928 1133 6 irregular irregular NN 39928 1133 7 in in IN 39928 1133 8 outline outline NN 39928 1133 9 , , , 39928 1133 10 it -PRON- PRP 39928 1133 11 might may MD 39928 1133 12 be be VB 39928 1133 13 elliptic elliptic JJ 39928 1133 14 or or CC 39928 1133 15 even even RB 39928 1133 16 angular angular JJ 39928 1133 17 in in IN 39928 1133 18 shape shape NN 39928 1133 19 without without IN 39928 1133 20 being be VBG 39928 1133 21 at at RB 39928 1133 22 all all RB 39928 1133 23 obviously obviously RB 39928 1133 24 so so IN 39928 1133 25 to to IN 39928 1133 26 us -PRON- PRP 39928 1133 27 . . . 39928 1134 1 If if IN 39928 1134 2 we -PRON- PRP 39928 1134 3 were be VBD 39928 1134 4 standing stand VBG 39928 1134 5 in in IN 39928 1134 6 an an DT 39928 1134 7 open open JJ 39928 1134 8 plain plain NN 39928 1134 9 or or CC 39928 1134 10 field field NN 39928 1134 11 two two CD 39928 1134 12 or or CC 39928 1134 13 three three CD 39928 1134 14 miles mile NNS 39928 1134 15 in in IN 39928 1134 16 diameter diameter NN 39928 1134 17 , , , 39928 1134 18 and and CC 39928 1134 19 bounded bound VBN 39928 1134 20 in in IN 39928 1134 21 every every DT 39928 1134 22 direction direction NN 39928 1134 23 by by IN 39928 1134 24 woods wood NNS 39928 1134 25 of of IN 39928 1134 26 very very RB 39928 1134 27 irregular irregular JJ 39928 1134 28 height height NN 39928 1134 29 and and CC 39928 1134 30 density density NN 39928 1134 31 and and CC 39928 1134 32 great great JJ 39928 1134 33 diversity diversity NN 39928 1134 34 of of IN 39928 1134 35 tint tint NN 39928 1134 36 , , , 39928 1134 37 we -PRON- PRP 39928 1134 38 should should MD 39928 1134 39 find find VB 39928 1134 40 it -PRON- PRP 39928 1134 41 difficult difficult JJ 39928 1134 42 to to TO 39928 1134 43 judge judge VB 39928 1134 44 of of IN 39928 1134 45 the the DT 39928 1134 46 shape shape NN 39928 1134 47 of of IN 39928 1134 48 the the DT 39928 1134 49 field field NN 39928 1134 50 , , , 39928 1134 51 which which WDT 39928 1134 52 might may MD 39928 1134 53 be be VB 39928 1134 54 either either CC 39928 1134 55 a a DT 39928 1134 56 true true JJ 39928 1134 57 circle circle NN 39928 1134 58 , , , 39928 1134 59 an an DT 39928 1134 60 oval oval NN 39928 1134 61 , , , 39928 1134 62 a a DT 39928 1134 63 hexagon hexagon NN 39928 1134 64 , , , 39928 1134 65 or or CC 39928 1134 66 quite quite RB 39928 1134 67 irregular irregular JJ 39928 1134 68 in in IN 39928 1134 69 outline outline NN 39928 1134 70 , , , 39928 1134 71 without without IN 39928 1134 72 our -PRON- PRP$ 39928 1134 73 being be VBG 39928 1134 74 able able JJ 39928 1134 75 to to TO 39928 1134 76 detect detect VB 39928 1134 77 the the DT 39928 1134 78 exact exact JJ 39928 1134 79 shape shape NN 39928 1134 80 unless unless IN 39928 1134 81 some some DT 39928 1134 82 parts part NNS 39928 1134 83 were be VBD 39928 1134 84 very very RB 39928 1134 85 much much RB 39928 1134 86 nearer near JJR 39928 1134 87 to to IN 39928 1134 88 us -PRON- PRP 39928 1134 89 than than IN 39928 1134 90 others other NNS 39928 1134 91 . . . 39928 1135 1 Again again RB 39928 1135 2 , , , 39928 1135 3 just just RB 39928 1135 4 as as IN 39928 1135 5 the the DT 39928 1135 6 woods wood NNS 39928 1135 7 bounding bound VBG 39928 1135 8 the the DT 39928 1135 9 field field NN 39928 1135 10 might may MD 39928 1135 11 be be VB 39928 1135 12 either either CC 39928 1135 13 a a DT 39928 1135 14 narrow narrow JJ 39928 1135 15 belt belt NN 39928 1135 16 of of IN 39928 1135 17 nearly nearly RB 39928 1135 18 uniform uniform JJ 39928 1135 19 width width NN 39928 1135 20 , , , 39928 1135 21 or or CC 39928 1135 22 might may MD 39928 1135 23 in in IN 39928 1135 24 some some DT 39928 1135 25 places place NNS 39928 1135 26 be be VB 39928 1135 27 only only RB 39928 1135 28 a a DT 39928 1135 29 few few JJ 39928 1135 30 yards yard NNS 39928 1135 31 wide wide JJ 39928 1135 32 and and CC 39928 1135 33 in in IN 39928 1135 34 others other NNS 39928 1135 35 stretch stretch VBP 39928 1135 36 out out RP 39928 1135 37 for for IN 39928 1135 38 miles mile NNS 39928 1135 39 , , , 39928 1135 40 so so CC 39928 1135 41 there there EX 39928 1135 42 have have VBP 39928 1135 43 been be VBN 39928 1135 44 many many JJ 39928 1135 45 opinions opinion NNS 39928 1135 46 as as IN 39928 1135 47 to to IN 39928 1135 48 the the DT 39928 1135 49 width width NN 39928 1135 50 of of IN 39928 1135 51 the the DT 39928 1135 52 Milky Milky NNP 39928 1135 53 Way Way NNP 39928 1135 54 in in IN 39928 1135 55 the the DT 39928 1135 56 direction direction NN 39928 1135 57 of of IN 39928 1135 58 its -PRON- PRP$ 39928 1135 59 plane plane NN 39928 1135 60 , , , 39928 1135 61 that that RB 39928 1135 62 is is RB 39928 1135 63 , , , 39928 1135 64 in in IN 39928 1135 65 the the DT 39928 1135 66 direction direction NN 39928 1135 67 in in IN 39928 1135 68 which which WDT 39928 1135 69 we -PRON- PRP 39928 1135 70 look look VBP 39928 1135 71 towards towards IN 39928 1135 72 it -PRON- PRP 39928 1135 73 . . . 39928 1136 1 Lately lately RB 39928 1136 2 , , , 39928 1136 3 however however RB 39928 1136 4 , , , 39928 1136 5 as as IN 39928 1136 6 the the DT 39928 1136 7 result result NN 39928 1136 8 of of IN 39928 1136 9 long long RB 39928 1136 10 - - HYPH 39928 1136 11 continued continue VBN 39928 1136 12 observation observation NN 39928 1136 13 and and CC 39928 1136 14 study study NN 39928 1136 15 , , , 39928 1136 16 astronomers astronomer NNS 39928 1136 17 are be VBP 39928 1136 18 fairly fairly RB 39928 1136 19 well well RB 39928 1136 20 agreed agree VBN 39928 1136 21 as as IN 39928 1136 22 to to IN 39928 1136 23 its -PRON- PRP$ 39928 1136 24 general general JJ 39928 1136 25 form form NN 39928 1136 26 and and CC 39928 1136 27 extent extent NN 39928 1136 28 , , , 39928 1136 29 as as IN 39928 1136 30 will will MD 39928 1136 31 be be VB 39928 1136 32 seen see VBN 39928 1136 33 by by IN 39928 1136 34 the the DT 39928 1136 35 following follow VBG 39928 1136 36 statements statement NNS 39928 1136 37 of of IN 39928 1136 38 fact fact NN 39928 1136 39 and and CC 39928 1136 40 reasoning reasoning NN 39928 1136 41 . . . 39928 1137 1 Miss Miss NNP 39928 1137 2 Clerke Clerke NNP 39928 1137 3 , , , 39928 1137 4 after after IN 39928 1137 5 giving give VBG 39928 1137 6 the the DT 39928 1137 7 various various JJ 39928 1137 8 views view NNS 39928 1137 9 of of IN 39928 1137 10 many many JJ 39928 1137 11 astronomers astronomer NNS 39928 1137 12 -- -- : 39928 1137 13 and and CC 39928 1137 14 as as IN 39928 1137 15 the the DT 39928 1137 16 historian historian NN 39928 1137 17 of of IN 39928 1137 18 modern modern JJ 39928 1137 19 astronomy astronomy NN 39928 1137 20 her -PRON- PRP$ 39928 1137 21 opinion opinion NN 39928 1137 22 has have VBZ 39928 1137 23 much much JJ 39928 1137 24 weight weight NN 39928 1137 25 -- -- : 39928 1137 26 considers consider VBZ 39928 1137 27 that that IN 39928 1137 28 the the DT 39928 1137 29 most most RBS 39928 1137 30 probable probable JJ 39928 1137 31 view view NN 39928 1137 32 of of IN 39928 1137 33 it -PRON- PRP 39928 1137 34 is be VBZ 39928 1137 35 , , , 39928 1137 36 that that IN 39928 1137 37 it -PRON- PRP 39928 1137 38 is be VBZ 39928 1137 39 really really RB 39928 1137 40 very very RB 39928 1137 41 much much RB 39928 1137 42 what what WP 39928 1137 43 it -PRON- PRP 39928 1137 44 seems seem VBZ 39928 1137 45 to to IN 39928 1137 46 us -PRON- PRP 39928 1137 47 -- -- : 39928 1137 48 an an DT 39928 1137 49 immense immense JJ 39928 1137 50 ring ring NN 39928 1137 51 with with IN 39928 1137 52 streaming stream VBG 39928 1137 53 appendages appendage NNS 39928 1137 54 extending extend VBG 39928 1137 55 from from IN 39928 1137 56 the the DT 39928 1137 57 main main JJ 39928 1137 58 body body NN 39928 1137 59 in in IN 39928 1137 60 all all DT 39928 1137 61 directions direction NNS 39928 1137 62 , , , 39928 1137 63 producing produce VBG 39928 1137 64 the the DT 39928 1137 65 very very RB 39928 1137 66 complex complex JJ 39928 1137 67 effect effect NN 39928 1137 68 we -PRON- PRP 39928 1137 69 see see VBP 39928 1137 70 . . . 39928 1138 1 The the DT 39928 1138 2 belief belief NN 39928 1138 3 seems seem VBZ 39928 1138 4 to to TO 39928 1138 5 be be VB 39928 1138 6 now now RB 39928 1138 7 spreading spread VBG 39928 1138 8 that that IN 39928 1138 9 the the DT 39928 1138 10 whole whole JJ 39928 1138 11 universe universe NN 39928 1138 12 of of IN 39928 1138 13 stars star NNS 39928 1138 14 is be VBZ 39928 1138 15 spherical spherical JJ 39928 1138 16 or or CC 39928 1138 17 spheroidal spheroidal JJ 39928 1138 18 , , , 39928 1138 19 the the DT 39928 1138 20 Milky Milky NNP 39928 1138 21 Way Way NNP 39928 1138 22 being be VBG 39928 1138 23 its -PRON- PRP$ 39928 1138 24 equator equator NN 39928 1138 25 , , , 39928 1138 26 and and CC 39928 1138 27 therefore therefore RB 39928 1138 28 in in IN 39928 1138 29 all all DT 39928 1138 30 probability probability NN 39928 1138 31 circular circular JJ 39928 1138 32 or or CC 39928 1138 33 nearly nearly RB 39928 1138 34 so so RB 39928 1138 35 in in IN 39928 1138 36 plan plan NN 39928 1138 37 ; ; : 39928 1138 38 and and CC 39928 1138 39 it -PRON- PRP 39928 1138 40 is be VBZ 39928 1138 41 also also RB 39928 1138 42 held hold VBN 39928 1138 43 that that IN 39928 1138 44 it -PRON- PRP 39928 1138 45 must must MD 39928 1138 46 be be VB 39928 1138 47 rotating rotate VBG 39928 1138 48 -- -- : 39928 1138 49 perhaps perhaps RB 39928 1138 50 very very RB 39928 1138 51 slowly slowly RB 39928 1138 52 -- -- : 39928 1138 53 as as IN 39928 1138 54 nothing nothing NN 39928 1138 55 else else RB 39928 1138 56 can can MD 39928 1138 57 be be VB 39928 1138 58 supposed suppose VBN 39928 1138 59 to to TO 39928 1138 60 have have VB 39928 1138 61 led lead VBN 39928 1138 62 to to IN 39928 1138 63 the the DT 39928 1138 64 formation formation NN 39928 1138 65 of of IN 39928 1138 66 such such PDT 39928 1138 67 a a DT 39928 1138 68 vast vast JJ 39928 1138 69 ring ring NN 39928 1138 70 , , , 39928 1138 71 or or CC 39928 1138 72 can can MD 39928 1138 73 preserve preserve VB 39928 1138 74 it -PRON- PRP 39928 1138 75 when when WRB 39928 1138 76 formed form VBN 39928 1138 77 . . . 39928 1139 1 Professor Professor NNP 39928 1139 2 Newcomb Newcomb NNP 39928 1139 3 considers consider VBZ 39928 1139 4 , , , 39928 1139 5 from from IN 39928 1139 6 the the DT 39928 1139 7 numbers number NNS 39928 1139 8 of of IN 39928 1139 9 the the DT 39928 1139 10 stars star NNS 39928 1139 11 in in IN 39928 1139 12 all all DT 39928 1139 13 directions direction NNS 39928 1139 14 towards towards IN 39928 1139 15 the the DT 39928 1139 16 Milky Milky NNP 39928 1139 17 Way Way NNP 39928 1139 18 being be VBG 39928 1139 19 approximately approximately RB 39928 1139 20 equal equal JJ 39928 1139 21 , , , 39928 1139 22 that that IN 39928 1139 23 there there EX 39928 1139 24 can can MD 39928 1139 25 not not RB 39928 1139 26 be be VB 39928 1139 27 much much JJ 39928 1139 28 difference difference NN 39928 1139 29 in in IN 39928 1139 30 our -PRON- PRP$ 39928 1139 31 distance distance NN 39928 1139 32 from from IN 39928 1139 33 it -PRON- PRP 39928 1139 34 in in IN 39928 1139 35 various various JJ 39928 1139 36 directions direction NNS 39928 1139 37 . . . 39928 1140 1 It -PRON- PRP 39928 1140 2 would would MD 39928 1140 3 follow follow VB 39928 1140 4 that that IN 39928 1140 5 its -PRON- PRP$ 39928 1140 6 plan plan NN 39928 1140 7 is be VBZ 39928 1140 8 approximately approximately RB 39928 1140 9 circular circular JJ 39928 1140 10 or or CC 39928 1140 11 broadly broadly RB 39928 1140 12 elliptic elliptic JJ 39928 1140 13 . . . 39928 1141 1 The the DT 39928 1141 2 existence existence NN 39928 1141 3 of of IN 39928 1141 4 ring ring NN 39928 1141 5 - - HYPH 39928 1141 6 nebulæ nebulæ NN 39928 1141 7 may may MD 39928 1141 8 be be VB 39928 1141 9 held hold VBN 39928 1141 10 to to TO 39928 1141 11 render render VB 39928 1141 12 such such PDT 39928 1141 13 a a DT 39928 1141 14 form form NN 39928 1141 15 probable probable JJ 39928 1141 16 . . . 39928 1142 1 Sir Sir NNP 39928 1142 2 Norman Norman NNP 39928 1142 3 Lockyer Lockyer NNP 39928 1142 4 gives give VBZ 39928 1142 5 facts fact NNS 39928 1142 6 which which WDT 39928 1142 7 tend tend VBP 39928 1142 8 in in IN 39928 1142 9 the the DT 39928 1142 10 same same JJ 39928 1142 11 direction direction NN 39928 1142 12 . . . 39928 1143 1 In in IN 39928 1143 2 an an DT 39928 1143 3 article article NN 39928 1143 4 in in IN 39928 1143 5 _ _ NNP 39928 1143 6 Nature Nature NNP 39928 1143 7 _ _ NNP 39928 1143 8 of of IN 39928 1143 9 November November NNP 39928 1143 10 8th 8th NN 39928 1143 11 , , , 39928 1143 12 1900 1900 CD 39928 1143 13 , , , 39928 1143 14 he -PRON- PRP 39928 1143 15 says say VBZ 39928 1143 16 : : : 39928 1143 17 ' ' `` 39928 1143 18 We -PRON- PRP 39928 1143 19 find find VBP 39928 1143 20 that that IN 39928 1143 21 the the DT 39928 1143 22 gaseous gaseous JJ 39928 1143 23 stars star NNS 39928 1143 24 are be VBP 39928 1143 25 not not RB 39928 1143 26 only only RB 39928 1143 27 confined confine VBN 39928 1143 28 to to IN 39928 1143 29 the the DT 39928 1143 30 Milky Milky NNP 39928 1143 31 Way Way NNP 39928 1143 32 , , , 39928 1143 33 but but CC 39928 1143 34 they -PRON- PRP 39928 1143 35 are be VBP 39928 1143 36 the the DT 39928 1143 37 most most RBS 39928 1143 38 remote remote JJ 39928 1143 39 in in IN 39928 1143 40 every every DT 39928 1143 41 direction direction NN 39928 1143 42 , , , 39928 1143 43 in in IN 39928 1143 44 every every DT 39928 1143 45 galactic galactic JJ 39928 1143 46 longitude longitude NN 39928 1143 47 ; ; : 39928 1143 48 all all DT 39928 1143 49 of of IN 39928 1143 50 them -PRON- PRP 39928 1143 51 have have VBP 39928 1143 52 the the DT 39928 1143 53 smallest small JJS 39928 1143 54 proper proper JJ 39928 1143 55 motion motion NN 39928 1143 56 . . . 39928 1143 57 ' ' '' 39928 1144 1 And and CC 39928 1144 2 again again RB 39928 1144 3 , , , 39928 1144 4 referring refer VBG 39928 1144 5 to to IN 39928 1144 6 the the DT 39928 1144 7 hottest hot JJS 39928 1144 8 stars star NNS 39928 1144 9 being be VBG 39928 1144 10 equally equally RB 39928 1144 11 remote remote JJ 39928 1144 12 on on IN 39928 1144 13 all all DT 39928 1144 14 sides side NNS 39928 1144 15 of of IN 39928 1144 16 us -PRON- PRP 39928 1144 17 , , , 39928 1144 18 he -PRON- PRP 39928 1144 19 says say VBZ 39928 1144 20 : : : 39928 1144 21 ' ' `` 39928 1144 22 It -PRON- PRP 39928 1144 23 is be VBZ 39928 1144 24 because because IN 39928 1144 25 we -PRON- PRP 39928 1144 26 are be VBP 39928 1144 27 in in IN 39928 1144 28 the the DT 39928 1144 29 centre centre NN 39928 1144 30 , , , 39928 1144 31 because because IN 39928 1144 32 the the DT 39928 1144 33 solar solar JJ 39928 1144 34 system system NN 39928 1144 35 is be VBZ 39928 1144 36 in in IN 39928 1144 37 the the DT 39928 1144 38 centre centre NN 39928 1144 39 , , , 39928 1144 40 that that IN 39928 1144 41 the the DT 39928 1144 42 observed observed JJ 39928 1144 43 effect effect NN 39928 1144 44 arises arise VBZ 39928 1144 45 . . . 39928 1144 46 ' ' '' 39928 1145 1 He -PRON- PRP 39928 1145 2 also also RB 39928 1145 3 considers consider VBZ 39928 1145 4 that that IN 39928 1145 5 the the DT 39928 1145 6 ring ring NN 39928 1145 7 - - HYPH 39928 1145 8 nebula nebula NN 39928 1145 9 in in IN 39928 1145 10 Lyra Lyra NNP 39928 1145 11 nearly nearly RB 39928 1145 12 represents represent VBZ 39928 1145 13 the the DT 39928 1145 14 form form NN 39928 1145 15 of of IN 39928 1145 16 our -PRON- PRP$ 39928 1145 17 whole whole JJ 39928 1145 18 system system NN 39928 1145 19 ; ; : 39928 1145 20 and and CC 39928 1145 21 he -PRON- PRP 39928 1145 22 adds add VBZ 39928 1145 23 : : : 39928 1145 24 ' ' `` 39928 1145 25 We -PRON- PRP 39928 1145 26 practically practically RB 39928 1145 27 know know VBP 39928 1145 28 that that IN 39928 1145 29 in in IN 39928 1145 30 our -PRON- PRP$ 39928 1145 31 system system NN 39928 1145 32 the the DT 39928 1145 33 centre centre NN 39928 1145 34 is be VBZ 39928 1145 35 the the DT 39928 1145 36 region region NN 39928 1145 37 of of IN 39928 1145 38 least least JJS 39928 1145 39 disturbance disturbance NN 39928 1145 40 , , , 39928 1145 41 and and CC 39928 1145 42 therefore therefore RB 39928 1145 43 cooler cool JJR 39928 1145 44 conditions condition NNS 39928 1145 45 . . . 39928 1145 46 ' ' '' 39928 1146 1 These these DT 39928 1146 2 various various JJ 39928 1146 3 facts fact NNS 39928 1146 4 and and CC 39928 1146 5 conclusions conclusion NNS 39928 1146 6 of of IN 39928 1146 7 some some DT 39928 1146 8 of of IN 39928 1146 9 the the DT 39928 1146 10 most most RBS 39928 1146 11 eminent eminent JJ 39928 1146 12 astronomers astronomer NNS 39928 1146 13 all all DT 39928 1146 14 point point VBP 39928 1146 15 to to IN 39928 1146 16 one one CD 39928 1146 17 definite definite JJ 39928 1146 18 inference inference NN 39928 1146 19 , , , 39928 1146 20 that that IN 39928 1146 21 our -PRON- PRP$ 39928 1146 22 position position NN 39928 1146 23 , , , 39928 1146 24 or or CC 39928 1146 25 that that DT 39928 1146 26 of of IN 39928 1146 27 the the DT 39928 1146 28 solar solar JJ 39928 1146 29 system system NN 39928 1146 30 , , , 39928 1146 31 is be VBZ 39928 1146 32 not not RB 39928 1146 33 very very RB 39928 1146 34 far far RB 39928 1146 35 from from IN 39928 1146 36 the the DT 39928 1146 37 centre centre NN 39928 1146 38 of of IN 39928 1146 39 the the DT 39928 1146 40 vast vast JJ 39928 1146 41 ring ring NN 39928 1146 42 of of IN 39928 1146 43 stars star NNS 39928 1146 44 constituting constitute VBG 39928 1146 45 the the DT 39928 1146 46 Milky Milky NNP 39928 1146 47 Way Way NNP 39928 1146 48 , , , 39928 1146 49 while while IN 39928 1146 50 the the DT 39928 1146 51 same same JJ 39928 1146 52 facts fact NNS 39928 1146 53 imply imply VBP 39928 1146 54 a a DT 39928 1146 55 nearly nearly RB 39928 1146 56 circular circular JJ 39928 1146 57 form form NN 39928 1146 58 to to IN 39928 1146 59 this this DT 39928 1146 60 ring ring NN 39928 1146 61 . . . 39928 1147 1 Here here RB 39928 1147 2 , , , 39928 1147 3 more more JJR 39928 1147 4 than than IN 39928 1147 5 as as IN 39928 1147 6 regards regard VBZ 39928 1147 7 our -PRON- PRP$ 39928 1147 8 position position NN 39928 1147 9 in in IN 39928 1147 10 the the DT 39928 1147 11 plane plane NN 39928 1147 12 of of IN 39928 1147 13 the the DT 39928 1147 14 Galaxy Galaxy NNP 39928 1147 15 , , , 39928 1147 16 there there EX 39928 1147 17 is be VBZ 39928 1147 18 no no DT 39928 1147 19 possibility possibility NN 39928 1147 20 of of IN 39928 1147 21 precise precise JJ 39928 1147 22 determination determination NN 39928 1147 23 ; ; : 39928 1147 24 but but CC 39928 1147 25 it -PRON- PRP 39928 1147 26 is be VBZ 39928 1147 27 quite quite RB 39928 1147 28 certain certain JJ 39928 1147 29 that that IN 39928 1147 30 if if IN 39928 1147 31 we -PRON- PRP 39928 1147 32 were be VBD 39928 1147 33 situated situate VBN 39928 1147 34 very very RB 39928 1147 35 far far RB 39928 1147 36 away away RB 39928 1147 37 from from IN 39928 1147 38 the the DT 39928 1147 39 centre centre NN 39928 1147 40 , , , 39928 1147 41 say say VB 39928 1147 42 , , , 39928 1147 43 for for IN 39928 1147 44 instance instance NN 39928 1147 45 , , , 39928 1147 46 one one CD 39928 1147 47 - - HYPH 39928 1147 48 fourth fourth NN 39928 1147 49 of of IN 39928 1147 50 its -PRON- PRP$ 39928 1147 51 diameter diameter NN 39928 1147 52 from from IN 39928 1147 53 one one CD 39928 1147 54 side side NN 39928 1147 55 of of IN 39928 1147 56 it -PRON- PRP 39928 1147 57 and and CC 39928 1147 58 three three CD 39928 1147 59 - - HYPH 39928 1147 60 fourths fourth NNS 39928 1147 61 from from IN 39928 1147 62 the the DT 39928 1147 63 other other JJ 39928 1147 64 , , , 39928 1147 65 the the DT 39928 1147 66 appearances appearance NNS 39928 1147 67 would would MD 39928 1147 68 not not RB 39928 1147 69 be be VB 39928 1147 70 what what WP 39928 1147 71 they -PRON- PRP 39928 1147 72 are be VBP 39928 1147 73 , , , 39928 1147 74 and and CC 39928 1147 75 we -PRON- PRP 39928 1147 76 should should MD 39928 1147 77 easily easily RB 39928 1147 78 detect detect VB 39928 1147 79 the the DT 39928 1147 80 excentricity excentricity NN 39928 1147 81 of of IN 39928 1147 82 our -PRON- PRP$ 39928 1147 83 position position NN 39928 1147 84 . . . 39928 1148 1 Even even RB 39928 1148 2 if if IN 39928 1148 3 we -PRON- PRP 39928 1148 4 were be VBD 39928 1148 5 one one CD 39928 1148 6 - - HYPH 39928 1148 7 third third NN 39928 1148 8 the the DT 39928 1148 9 diameter diameter NN 39928 1148 10 from from IN 39928 1148 11 one one CD 39928 1148 12 side side NN 39928 1148 13 and and CC 39928 1148 14 two two CD 39928 1148 15 - - HYPH 39928 1148 16 thirds third NNS 39928 1148 17 from from IN 39928 1148 18 the the DT 39928 1148 19 other other JJ 39928 1148 20 , , , 39928 1148 21 it -PRON- PRP 39928 1148 22 will will MD 39928 1148 23 , , , 39928 1148 24 I -PRON- PRP 39928 1148 25 think think VBP 39928 1148 26 , , , 39928 1148 27 be be VB 39928 1148 28 admitted admit VBN 39928 1148 29 that that IN 39928 1148 30 this this DT 39928 1148 31 also also RB 39928 1148 32 would would MD 39928 1148 33 have have VB 39928 1148 34 been be VBN 39928 1148 35 ascertained ascertain VBN 39928 1148 36 by by IN 39928 1148 37 the the DT 39928 1148 38 various various JJ 39928 1148 39 methods method NNS 39928 1148 40 of of IN 39928 1148 41 research research NN 39928 1148 42 now now RB 39928 1148 43 available available JJ 39928 1148 44 . . . 39928 1149 1 We -PRON- PRP 39928 1149 2 must must MD 39928 1149 3 , , , 39928 1149 4 therefore therefore RB 39928 1149 5 , , , 39928 1149 6 be be VB 39928 1149 7 somewhere somewhere RB 39928 1149 8 between between IN 39928 1149 9 the the DT 39928 1149 10 actual actual JJ 39928 1149 11 centre centre NN 39928 1149 12 and and CC 39928 1149 13 a a DT 39928 1149 14 circle circle NN 39928 1149 15 whose whose WP$ 39928 1149 16 radius radius NN 39928 1149 17 is be VBZ 39928 1149 18 one one CD 39928 1149 19 - - HYPH 39928 1149 20 third third NN 39928 1149 21 of of IN 39928 1149 22 the the DT 39928 1149 23 distance distance NN 39928 1149 24 to to IN 39928 1149 25 the the DT 39928 1149 26 Milky Milky NNP 39928 1149 27 Way Way NNP 39928 1149 28 . . . 39928 1150 1 But but CC 39928 1150 2 if if IN 39928 1150 3 we -PRON- PRP 39928 1150 4 are be VBP 39928 1150 5 about about IN 39928 1150 6 midway midway NN 39928 1150 7 between between IN 39928 1150 8 these these DT 39928 1150 9 two two CD 39928 1150 10 positions position NNS 39928 1150 11 , , , 39928 1150 12 we -PRON- PRP 39928 1150 13 shall shall MD 39928 1150 14 only only RB 39928 1150 15 be be VB 39928 1150 16 one one CD 39928 1150 17 - - HYPH 39928 1150 18 sixth sixth JJ 39928 1150 19 of of IN 39928 1150 20 the the DT 39928 1150 21 radius radius NN 39928 1150 22 or or CC 39928 1150 23 one one CD 39928 1150 24 - - HYPH 39928 1150 25 twelfth twelfth NN 39928 1150 26 of of IN 39928 1150 27 the the DT 39928 1150 28 diameter diameter NN 39928 1150 29 of of IN 39928 1150 30 the the DT 39928 1150 31 Milky Milky NNP 39928 1150 32 Way Way NNP 39928 1150 33 from from IN 39928 1150 34 its -PRON- PRP$ 39928 1150 35 exact exact JJ 39928 1150 36 centre centre NN 39928 1150 37 ; ; : 39928 1150 38 and and CC 39928 1150 39 if if IN 39928 1150 40 we -PRON- PRP 39928 1150 41 form form VBP 39928 1150 42 part part NN 39928 1150 43 of of IN 39928 1150 44 a a DT 39928 1150 45 cluster cluster NN 39928 1150 46 or or CC 39928 1150 47 group group NN 39928 1150 48 of of IN 39928 1150 49 stars star NNS 39928 1150 50 slowly slowly RB 39928 1150 51 revolving revolve VBG 39928 1150 52 around around IN 39928 1150 53 that that DT 39928 1150 54 centre centre NN 39928 1150 55 , , , 39928 1150 56 we -PRON- PRP 39928 1150 57 should should MD 39928 1150 58 probably probably RB 39928 1150 59 obtain obtain VB 39928 1150 60 all all PDT 39928 1150 61 the the DT 39928 1150 62 advantages advantage NNS 39928 1150 63 , , , 39928 1150 64 if if IN 39928 1150 65 any any DT 39928 1150 66 , , , 39928 1150 67 that that WDT 39928 1150 68 may may MD 39928 1150 69 arise arise VB 39928 1150 70 from from IN 39928 1150 71 a a DT 39928 1150 72 nearly nearly RB 39928 1150 73 central central JJ 39928 1150 74 position position NN 39928 1150 75 in in IN 39928 1150 76 the the DT 39928 1150 77 entire entire JJ 39928 1150 78 star star NN 39928 1150 79 - - HYPH 39928 1150 80 system system NN 39928 1150 81 . . . 39928 1151 1 This this DT 39928 1151 2 question question NN 39928 1151 3 of of IN 39928 1151 4 our -PRON- PRP$ 39928 1151 5 situation situation NN 39928 1151 6 within within IN 39928 1151 7 the the DT 39928 1151 8 great great JJ 39928 1151 9 circle circle NN 39928 1151 10 of of IN 39928 1151 11 the the DT 39928 1151 12 Milky Milky NNP 39928 1151 13 Way Way NNP 39928 1151 14 is be VBZ 39928 1151 15 of of IN 39928 1151 16 considerable considerable JJ 39928 1151 17 importance importance NN 39928 1151 18 from from IN 39928 1151 19 the the DT 39928 1151 20 point point NN 39928 1151 21 of of IN 39928 1151 22 view view NN 39928 1151 23 I -PRON- PRP 39928 1151 24 am be VBP 39928 1151 25 here here RB 39928 1151 26 suggesting suggest VBG 39928 1151 27 , , , 39928 1151 28 so so IN 39928 1151 29 that that IN 39928 1151 30 every every DT 39928 1151 31 fact fact NN 39928 1151 32 bearing bear VBG 39928 1151 33 upon upon IN 39928 1151 34 it -PRON- PRP 39928 1151 35 should should MD 39928 1151 36 be be VB 39928 1151 37 noted note VBN 39928 1151 38 ; ; : 39928 1151 39 and and CC 39928 1151 40 there there EX 39928 1151 41 is be VBZ 39928 1151 42 one one CD 39928 1151 43 which which WDT 39928 1151 44 has have VBZ 39928 1151 45 not not RB 39928 1151 46 , , , 39928 1151 47 I -PRON- PRP 39928 1151 48 think think VBP 39928 1151 49 , , , 39928 1151 50 been be VBN 39928 1151 51 given give VBN 39928 1151 52 the the DT 39928 1151 53 full full JJ 39928 1151 54 weight weight NN 39928 1151 55 due due IN 39928 1151 56 to to IN 39928 1151 57 it -PRON- PRP 39928 1151 58 . . . 39928 1152 1 It -PRON- PRP 39928 1152 2 is be VBZ 39928 1152 3 generally generally RB 39928 1152 4 admitted admit VBN 39928 1152 5 that that IN 39928 1152 6 the the DT 39928 1152 7 greater great JJR 39928 1152 8 brilliancy brilliancy NN 39928 1152 9 of of IN 39928 1152 10 some some DT 39928 1152 11 parts part NNS 39928 1152 12 of of IN 39928 1152 13 the the DT 39928 1152 14 Milky Milky NNP 39928 1152 15 Way Way NNP 39928 1152 16 is be VBZ 39928 1152 17 no no DT 39928 1152 18 indication indication NN 39928 1152 19 of of IN 39928 1152 20 nearness nearness NN 39928 1152 21 , , , 39928 1152 22 because because IN 39928 1152 23 surfaces surface NNS 39928 1152 24 possess possess VBP 39928 1152 25 equal equal JJ 39928 1152 26 brilliancy brilliancy NN 39928 1152 27 from from IN 39928 1152 28 whatever whatever WDT 39928 1152 29 distance distance NN 39928 1152 30 they -PRON- PRP 39928 1152 31 are be VBP 39928 1152 32 seen see VBN 39928 1152 33 . . . 39928 1153 1 Thus thus RB 39928 1153 2 each each DT 39928 1153 3 planet planet NN 39928 1153 4 has have VBZ 39928 1153 5 its -PRON- PRP$ 39928 1153 6 special special JJ 39928 1153 7 brilliancy brilliancy NN 39928 1153 8 or or CC 39928 1153 9 reflective reflective JJ 39928 1153 10 power power NN 39928 1153 11 , , , 39928 1153 12 technically technically RB 39928 1153 13 termed term VBD 39928 1153 14 its -PRON- PRP$ 39928 1153 15 ' ' `` 39928 1153 16 albedo albedo NN 39928 1153 17 , , , 39928 1153 18 ' ' '' 39928 1153 19 and and CC 39928 1153 20 this this DT 39928 1153 21 remains remain VBZ 39928 1153 22 the the DT 39928 1153 23 same same JJ 39928 1153 24 at at IN 39928 1153 25 all all DT 39928 1153 26 distances distance NNS 39928 1153 27 if if IN 39928 1153 28 the the DT 39928 1153 29 other other JJ 39928 1153 30 conditions condition NNS 39928 1153 31 are be VBP 39928 1153 32 similar similar JJ 39928 1153 33 . . . 39928 1154 1 But but CC 39928 1154 2 notwithstanding notwithstanding IN 39928 1154 3 this this DT 39928 1154 4 well well RB 39928 1154 5 - - HYPH 39928 1154 6 known know VBN 39928 1154 7 fact fact NN 39928 1154 8 , , , 39928 1154 9 Sir Sir NNP 39928 1154 10 John John NNP 39928 1154 11 Herschel Herschel NNP 39928 1154 12 's 's POS 39928 1154 13 remark remark NN 39928 1154 14 that that IN 39928 1154 15 the the DT 39928 1154 16 greater great JJR 39928 1154 17 brightness brightness NN 39928 1154 18 of of IN 39928 1154 19 the the DT 39928 1154 20 southern southern JJ 39928 1154 21 Milky Milky NNP 39928 1154 22 Way Way NNP 39928 1154 23 ' ' POS 39928 1154 24 conveys convey VBZ 39928 1154 25 strongly strongly RB 39928 1154 26 the the DT 39928 1154 27 impression impression NN 39928 1154 28 of of IN 39928 1154 29 greater great JJR 39928 1154 30 proximity proximity NN 39928 1154 31 , , , 39928 1154 32 ' ' '' 39928 1154 33 and and CC 39928 1154 34 therefore therefore RB 39928 1154 35 , , , 39928 1154 36 that that IN 39928 1154 37 we -PRON- PRP 39928 1154 38 are be VBP 39928 1154 39 excentrically excentrically RB 39928 1154 40 placed place VBN 39928 1154 41 in in IN 39928 1154 42 its -PRON- PRP$ 39928 1154 43 plane plane NN 39928 1154 44 , , , 39928 1154 45 has have VBZ 39928 1154 46 been be VBN 39928 1154 47 adopted adopt VBN 39928 1154 48 by by IN 39928 1154 49 many many JJ 39928 1154 50 writers writer NNS 39928 1154 51 as as IN 39928 1154 52 if if IN 39928 1154 53 it -PRON- PRP 39928 1154 54 were be VBD 39928 1154 55 the the DT 39928 1154 56 statement statement NN 39928 1154 57 of of IN 39928 1154 58 a a DT 39928 1154 59 fact fact NN 39928 1154 60 , , , 39928 1154 61 or or CC 39928 1154 62 at at IN 39928 1154 63 least least JJS 39928 1154 64 a a DT 39928 1154 65 clearly clearly RB 39928 1154 66 expressed express VBN 39928 1154 67 opinion opinion NN 39928 1154 68 , , , 39928 1154 69 instead instead RB 39928 1154 70 of of IN 39928 1154 71 being be VBG 39928 1154 72 a a DT 39928 1154 73 mere mere JJ 39928 1154 74 ' ' '' 39928 1154 75 impression impression NN 39928 1154 76 , , , 39928 1154 77 ' ' '' 39928 1154 78 and and CC 39928 1154 79 really really RB 39928 1154 80 a a DT 39928 1154 81 misleading misleading JJ 39928 1154 82 one one NN 39928 1154 83 . . . 39928 1155 1 I -PRON- PRP 39928 1155 2 therefore therefore RB 39928 1155 3 wish wish VBP 39928 1155 4 to to TO 39928 1155 5 adduce adduce VB 39928 1155 6 a a DT 39928 1155 7 phenomenon phenomenon NN 39928 1155 8 which which WDT 39928 1155 9 has have VBZ 39928 1155 10 a a DT 39928 1155 11 real real JJ 39928 1155 12 bearing bearing NN 39928 1155 13 on on IN 39928 1155 14 the the DT 39928 1155 15 question question NN 39928 1155 16 . . . 39928 1156 1 It -PRON- PRP 39928 1156 2 is be VBZ 39928 1156 3 evident evident JJ 39928 1156 4 that that IN 39928 1156 5 , , , 39928 1156 6 if if IN 39928 1156 7 the the DT 39928 1156 8 Milky Milky NNP 39928 1156 9 Way Way NNP 39928 1156 10 were be VBD 39928 1156 11 actually actually RB 39928 1156 12 of of IN 39928 1156 13 uniform uniform JJ 39928 1156 14 width width NN 39928 1156 15 throughout throughout RB 39928 1156 16 , , , 39928 1156 17 then then RB 39928 1156 18 differences difference NNS 39928 1156 19 of of IN 39928 1156 20 apparent apparent JJ 39928 1156 21 width width NN 39928 1156 22 would would MD 39928 1156 23 indicate indicate VB 39928 1156 24 differences difference NNS 39928 1156 25 of of IN 39928 1156 26 distance distance NN 39928 1156 27 . . . 39928 1157 1 In in IN 39928 1157 2 the the DT 39928 1157 3 parts part NNS 39928 1157 4 nearer nearer RB 39928 1157 5 to to IN 39928 1157 6 us -PRON- PRP 39928 1157 7 it -PRON- PRP 39928 1157 8 would would MD 39928 1157 9 appear appear VB 39928 1157 10 wider wide JJR 39928 1157 11 , , , 39928 1157 12 where where WRB 39928 1157 13 more more RBR 39928 1157 14 remote remote JJ 39928 1157 15 , , , 39928 1157 16 narrower narrow JJR 39928 1157 17 ; ; : 39928 1157 18 but but CC 39928 1157 19 in in IN 39928 1157 20 these these DT 39928 1157 21 opposite opposite JJ 39928 1157 22 directions direction NNS 39928 1157 23 there there RB 39928 1157 24 would would MD 39928 1157 25 not not RB 39928 1157 26 necessarily necessarily RB 39928 1157 27 be be VB 39928 1157 28 any any DT 39928 1157 29 differences difference NNS 39928 1157 30 in in IN 39928 1157 31 brightness brightness NN 39928 1157 32 . . . 39928 1158 1 We -PRON- PRP 39928 1158 2 should should MD 39928 1158 3 , , , 39928 1158 4 however however RB 39928 1158 5 , , , 39928 1158 6 expect expect VBP 39928 1158 7 that that IN 39928 1158 8 in in IN 39928 1158 9 the the DT 39928 1158 10 parts part NNS 39928 1158 11 nearer nearer RB 39928 1158 12 to to IN 39928 1158 13 us -PRON- PRP 39928 1158 14 the the DT 39928 1158 15 lucid lucid JJ 39928 1158 16 stars star NNS 39928 1158 17 , , , 39928 1158 18 as as RB 39928 1158 19 well well RB 39928 1158 20 as as IN 39928 1158 21 those those DT 39928 1158 22 within within IN 39928 1158 23 any any DT 39928 1158 24 definite definite JJ 39928 1158 25 limits limit NNS 39928 1158 26 of of IN 39928 1158 27 magnitude magnitude NN 39928 1158 28 , , , 39928 1158 29 would would MD 39928 1158 30 be be VB 39928 1158 31 either either CC 39928 1158 32 more more RBR 39928 1158 33 numerous numerous JJ 39928 1158 34 or or CC 39928 1158 35 more more RBR 39928 1158 36 wide wide RB 39928 1158 37 apart apart RB 39928 1158 38 on on IN 39928 1158 39 the the DT 39928 1158 40 average average NN 39928 1158 41 . . . 39928 1159 1 No no DT 39928 1159 2 such such JJ 39928 1159 3 difference difference NN 39928 1159 4 as as IN 39928 1159 5 this this DT 39928 1159 6 , , , 39928 1159 7 however however RB 39928 1159 8 , , , 39928 1159 9 has have VBZ 39928 1159 10 been be VBN 39928 1159 11 recorded record VBN 39928 1159 12 ; ; : 39928 1159 13 but but CC 39928 1159 14 there there EX 39928 1159 15 _ _ NNP 39928 1159 16 is be VBZ 39928 1159 17 _ _ NNP 39928 1159 18 a a DT 39928 1159 19 peculiar peculiar JJ 39928 1159 20 correspondence correspondence NN 39928 1159 21 in in IN 39928 1159 22 the the DT 39928 1159 23 opposite opposite JJ 39928 1159 24 portions portion NNS 39928 1159 25 of of IN 39928 1159 26 the the DT 39928 1159 27 Galaxy Galaxy NNP 39928 1159 28 which which WDT 39928 1159 29 is be VBZ 39928 1159 30 very very RB 39928 1159 31 suggestive suggestive JJ 39928 1159 32 . . . 39928 1160 1 In in IN 39928 1160 2 the the DT 39928 1160 3 beautiful beautiful JJ 39928 1160 4 charts chart NNS 39928 1160 5 of of IN 39928 1160 6 the the DT 39928 1160 7 Nebulæ Nebulæ NNP 39928 1160 8 and and CC 39928 1160 9 Star Star NNP 39928 1160 10 Clusters Clusters NNPS 39928 1160 11 by by IN 39928 1160 12 the the DT 39928 1160 13 late late JJ 39928 1160 14 Mr. Mr. NNP 39928 1160 15 Sidney Sidney NNP 39928 1160 16 Waters Waters NNP 39928 1160 17 , , , 39928 1160 18 published publish VBN 39928 1160 19 by by IN 39928 1160 20 the the DT 39928 1160 21 Royal Royal NNP 39928 1160 22 Astronomical Astronomical NNP 39928 1160 23 Society Society NNP 39928 1160 24 and and CC 39928 1160 25 here here RB 39928 1160 26 reproduced reproduce VBN 39928 1160 27 by by IN 39928 1160 28 their -PRON- PRP$ 39928 1160 29 permission permission NN 39928 1160 30 ( ( -LRB- 39928 1160 31 see see VB 39928 1160 32 end end NN 39928 1160 33 of of IN 39928 1160 34 volume volume NN 39928 1160 35 ) ) -RRB- 39928 1160 36 , , , 39928 1160 37 the the DT 39928 1160 38 Milky Milky NNP 39928 1160 39 Way Way NNP 39928 1160 40 is be VBZ 39928 1160 41 delineated delineate VBN 39928 1160 42 in in IN 39928 1160 43 its -PRON- PRP$ 39928 1160 44 whole whole JJ 39928 1160 45 extent extent NN 39928 1160 46 with with IN 39928 1160 47 great great JJ 39928 1160 48 detail detail NN 39928 1160 49 and and CC 39928 1160 50 from from IN 39928 1160 51 the the DT 39928 1160 52 best good JJS 39928 1160 53 authorities authority NNS 39928 1160 54 . . . 39928 1161 1 These these DT 39928 1161 2 charts chart NNS 39928 1161 3 show show VBP 39928 1161 4 us -PRON- PRP 39928 1161 5 that that IN 39928 1161 6 , , , 39928 1161 7 in in IN 39928 1161 8 both both DT 39928 1161 9 hemispheres hemisphere NNS 39928 1161 10 , , , 39928 1161 11 it -PRON- PRP 39928 1161 12 reaches reach VBZ 39928 1161 13 its -PRON- PRP$ 39928 1161 14 maximum maximum JJ 39928 1161 15 extension extension NN 39928 1161 16 on on IN 39928 1161 17 the the DT 39928 1161 18 right right NN 39928 1161 19 and and CC 39928 1161 20 left leave VBD 39928 1161 21 margins margin NNS 39928 1161 22 of of IN 39928 1161 23 the the DT 39928 1161 24 charts chart NNS 39928 1161 25 , , , 39928 1161 26 where where WRB 39928 1161 27 it -PRON- PRP 39928 1161 28 is be VBZ 39928 1161 29 almost almost RB 39928 1161 30 equal equal JJ 39928 1161 31 in in IN 39928 1161 32 extent extent NN 39928 1161 33 ; ; : 39928 1161 34 while while IN 39928 1161 35 in in IN 39928 1161 36 the the DT 39928 1161 37 centre centre NN 39928 1161 38 of of IN 39928 1161 39 each each DT 39928 1161 40 chart chart NN 39928 1161 41 , , , 39928 1161 42 that that RB 39928 1161 43 is be VBZ 39928 1161 44 at at IN 39928 1161 45 its -PRON- PRP$ 39928 1161 46 nearest near JJS 39928 1161 47 points point NNS 39928 1161 48 to to IN 39928 1161 49 the the DT 39928 1161 50 north north NN 39928 1161 51 and and CC 39928 1161 52 south south JJ 39928 1161 53 poles pole NNS 39928 1161 54 respectively respectively RB 39928 1161 55 , , , 39928 1161 56 it -PRON- PRP 39928 1161 57 is be VBZ 39928 1161 58 at at IN 39928 1161 59 its -PRON- PRP$ 39928 1161 60 narrowest narrow JJS 39928 1161 61 portion portion NN 39928 1161 62 ; ; : 39928 1161 63 and and CC 39928 1161 64 , , , 39928 1161 65 although although IN 39928 1161 66 this this DT 39928 1161 67 part part NN 39928 1161 68 in in IN 39928 1161 69 the the DT 39928 1161 70 southern southern JJ 39928 1161 71 hemisphere hemisphere NN 39928 1161 72 is be VBZ 39928 1161 73 brightest bright JJS 39928 1161 74 and and CC 39928 1161 75 most most RBS 39928 1161 76 strongly strongly RB 39928 1161 77 defined define VBN 39928 1161 78 , , , 39928 1161 79 yet yet CC 39928 1161 80 the the DT 39928 1161 81 actual actual JJ 39928 1161 82 extent extent NN 39928 1161 83 , , , 39928 1161 84 including include VBG 39928 1161 85 the the DT 39928 1161 86 fainter fainter NN 39928 1161 87 portions portion NNS 39928 1161 88 , , , 39928 1161 89 is be VBZ 39928 1161 90 , , , 39928 1161 91 again again RB 39928 1161 92 , , , 39928 1161 93 not not RB 39928 1161 94 very very RB 39928 1161 95 unequal unequal JJ 39928 1161 96 in in IN 39928 1161 97 the the DT 39928 1161 98 opposite opposite JJ 39928 1161 99 segments segment NNS 39928 1161 100 . . . 39928 1162 1 Here here RB 39928 1162 2 we -PRON- PRP 39928 1162 3 have have VBP 39928 1162 4 a a DT 39928 1162 5 remarkable remarkable JJ 39928 1162 6 and and CC 39928 1162 7 significant significant JJ 39928 1162 8 symmetry symmetry NN 39928 1162 9 in in IN 39928 1162 10 the the DT 39928 1162 11 proportions proportion NNS 39928 1162 12 of of IN 39928 1162 13 the the DT 39928 1162 14 Milky Milky NNP 39928 1162 15 Way Way NNP 39928 1162 16 , , , 39928 1162 17 which which WDT 39928 1162 18 , , , 39928 1162 19 taken take VBN 39928 1162 20 in in IN 39928 1162 21 connection connection NN 39928 1162 22 with with IN 39928 1162 23 the the DT 39928 1162 24 nearly nearly RB 39928 1162 25 symmetrical symmetrical JJ 39928 1162 26 scattering scattering NN 39928 1162 27 of of IN 39928 1162 28 the the DT 39928 1162 29 stars star NNS 39928 1162 30 in in IN 39928 1162 31 all all DT 39928 1162 32 parts part NNS 39928 1162 33 of of IN 39928 1162 34 the the DT 39928 1162 35 vast vast JJ 39928 1162 36 ring ring NN 39928 1162 37 , , , 39928 1162 38 is be VBZ 39928 1162 39 strongly strongly RB 39928 1162 40 suggestive suggestive JJ 39928 1162 41 of of IN 39928 1162 42 a a DT 39928 1162 43 nearly nearly RB 39928 1162 44 circular circular JJ 39928 1162 45 form form NN 39928 1162 46 and and CC 39928 1162 47 of of IN 39928 1162 48 our -PRON- PRP$ 39928 1162 49 nearly nearly RB 39928 1162 50 central central JJ 39928 1162 51 position position NN 39928 1162 52 within within IN 39928 1162 53 its -PRON- PRP$ 39928 1162 54 plane plane NN 39928 1162 55 . . . 39928 1163 1 There there EX 39928 1163 2 is be VBZ 39928 1163 3 one one CD 39928 1163 4 other other JJ 39928 1163 5 feature feature NN 39928 1163 6 in in IN 39928 1163 7 this this DT 39928 1163 8 delineation delineation NN 39928 1163 9 of of IN 39928 1163 10 the the DT 39928 1163 11 Milky Milky NNP 39928 1163 12 Way Way NNP 39928 1163 13 which which WDT 39928 1163 14 is be VBZ 39928 1163 15 worthy worthy JJ 39928 1163 16 of of IN 39928 1163 17 notice notice NN 39928 1163 18 . . . 39928 1164 1 It -PRON- PRP 39928 1164 2 has have VBZ 39928 1164 3 been be VBN 39928 1164 4 the the DT 39928 1164 5 universal universal JJ 39928 1164 6 practice practice NN 39928 1164 7 to to TO 39928 1164 8 speak speak VB 39928 1164 9 of of IN 39928 1164 10 it -PRON- PRP 39928 1164 11 as as IN 39928 1164 12 being be VBG 39928 1164 13 double double JJ 39928 1164 14 through through IN 39928 1164 15 a a DT 39928 1164 16 considerable considerable JJ 39928 1164 17 portion portion NN 39928 1164 18 of of IN 39928 1164 19 its -PRON- PRP$ 39928 1164 20 extent extent NN 39928 1164 21 , , , 39928 1164 22 and and CC 39928 1164 23 all all PDT 39928 1164 24 the the DT 39928 1164 25 usual usual JJ 39928 1164 26 star star NN 39928 1164 27 - - HYPH 39928 1164 28 maps map NNS 39928 1164 29 show show VBP 39928 1164 30 the the DT 39928 1164 31 division division NN 39928 1164 32 greatly greatly RB 39928 1164 33 exaggerated exaggerate VBD 39928 1164 34 , , , 39928 1164 35 especially especially RB 39928 1164 36 in in IN 39928 1164 37 the the DT 39928 1164 38 northern northern JJ 39928 1164 39 hemisphere hemisphere NN 39928 1164 40 ; ; : 39928 1164 41 and and CC 39928 1164 42 this this DT 39928 1164 43 division division NN 39928 1164 44 was be VBD 39928 1164 45 considered consider VBN 39928 1164 46 so so RB 39928 1164 47 important important JJ 39928 1164 48 as as IN 39928 1164 49 to to TO 39928 1164 50 lead lead VB 39928 1164 51 to to IN 39928 1164 52 the the DT 39928 1164 53 cloven cloven JJ 39928 1164 54 - - HYPH 39928 1164 55 disc disc NN 39928 1164 56 theory theory NN 39928 1164 57 of of IN 39928 1164 58 its -PRON- PRP$ 39928 1164 59 form form NN 39928 1164 60 , , , 39928 1164 61 or or CC 39928 1164 62 that that IN 39928 1164 63 it -PRON- PRP 39928 1164 64 consisted consist VBD 39928 1164 65 of of IN 39928 1164 66 two two CD 39928 1164 67 separate separate JJ 39928 1164 68 irregular irregular JJ 39928 1164 69 rings ring NNS 39928 1164 70 , , , 39928 1164 71 the the DT 39928 1164 72 nearer near JJR 39928 1164 73 one one CD 39928 1164 74 partly partly RB 39928 1164 75 hiding hide VBG 39928 1164 76 the the DT 39928 1164 77 more more RBR 39928 1164 78 distant distant JJ 39928 1164 79 ; ; : 39928 1164 80 while while IN 39928 1164 81 various various JJ 39928 1164 82 spiral spiral JJ 39928 1164 83 combinations combination NNS 39928 1164 84 were be VBD 39928 1164 85 held hold VBN 39928 1164 86 by by IN 39928 1164 87 others other NNS 39928 1164 88 to to TO 39928 1164 89 be be VB 39928 1164 90 the the DT 39928 1164 91 best good JJS 39928 1164 92 way way NN 39928 1164 93 of of IN 39928 1164 94 explaining explain VBG 39928 1164 95 its -PRON- PRP$ 39928 1164 96 complex complex JJ 39928 1164 97 appearance appearance NN 39928 1164 98 . . . 39928 1165 1 But but CC 39928 1165 2 this this DT 39928 1165 3 newer new JJR 39928 1165 4 map map NN 39928 1165 5 , , , 39928 1165 6 reduced reduce VBN 39928 1165 7 from from IN 39928 1165 8 a a DT 39928 1165 9 large large JJ 39928 1165 10 one one NN 39928 1165 11 by by IN 39928 1165 12 Lord Lord NNP 39928 1165 13 Rosse Rosse NNP 39928 1165 14 's 's POS 39928 1165 15 astronomer astronomer NN 39928 1165 16 , , , 39928 1165 17 Dr. Dr. NNP 39928 1165 18 Boeddicker Boeddicker NNP 39928 1165 19 , , , 39928 1165 20 who who WP 39928 1165 21 devoted devote VBD 39928 1165 22 five five CD 39928 1165 23 years year NNS 39928 1165 24 to to IN 39928 1165 25 its -PRON- PRP$ 39928 1165 26 delineation delineation NN 39928 1165 27 , , , 39928 1165 28 shows show VBZ 39928 1165 29 us -PRON- PRP 39928 1165 30 that that IN 39928 1165 31 there there EX 39928 1165 32 is be VBZ 39928 1165 33 no no DT 39928 1165 34 actual actual JJ 39928 1165 35 division division NN 39928 1165 36 in in IN 39928 1165 37 any any DT 39928 1165 38 portion portion NN 39928 1165 39 of of IN 39928 1165 40 it -PRON- PRP 39928 1165 41 in in IN 39928 1165 42 the the DT 39928 1165 43 northern northern JJ 39928 1165 44 hemisphere hemisphere NN 39928 1165 45 , , , 39928 1165 46 but but CC 39928 1165 47 that that IN 39928 1165 48 everywhere everywhere RB 39928 1165 49 , , , 39928 1165 50 throughout throughout IN 39928 1165 51 its -PRON- PRP$ 39928 1165 52 whole whole JJ 39928 1165 53 width width NN 39928 1165 54 , , , 39928 1165 55 it -PRON- PRP 39928 1165 56 consists consist VBZ 39928 1165 57 of of IN 39928 1165 58 numerous numerous JJ 39928 1165 59 intermingled intermingled JJ 39928 1165 60 streams stream NNS 39928 1165 61 and and CC 39928 1165 62 branches branch NNS 39928 1165 63 , , , 39928 1165 64 varying vary VBG 39928 1165 65 greatly greatly RB 39928 1165 66 in in IN 39928 1165 67 luminosity luminosity NN 39928 1165 68 , , , 39928 1165 69 and and CC 39928 1165 70 with with IN 39928 1165 71 many many JJ 39928 1165 72 faint faint JJ 39928 1165 73 or or CC 39928 1165 74 barely barely RB 39928 1165 75 distinguishable distinguishable JJ 39928 1165 76 extensions extension NNS 39928 1165 77 along along IN 39928 1165 78 its -PRON- PRP$ 39928 1165 79 margins margin NNS 39928 1165 80 , , , 39928 1165 81 yet yet CC 39928 1165 82 forming form VBG 39928 1165 83 one one CD 39928 1165 84 unmistakable unmistakable JJ 39928 1165 85 nebulous nebulous JJ 39928 1165 86 belt belt NN 39928 1165 87 ; ; : 39928 1165 88 and and CC 39928 1165 89 the the DT 39928 1165 90 same same JJ 39928 1165 91 general general JJ 39928 1165 92 character character NN 39928 1165 93 applies apply VBZ 39928 1165 94 to to IN 39928 1165 95 it -PRON- PRP 39928 1165 96 in in IN 39928 1165 97 the the DT 39928 1165 98 southern southern JJ 39928 1165 99 hemisphere hemisphere NN 39928 1165 100 as as IN 39928 1165 101 delineated delineate VBN 39928 1165 102 by by IN 39928 1165 103 Dr. Dr. NNP 39928 1165 104 Gould Gould NNP 39928 1165 105 . . . 39928 1166 1 Another another DT 39928 1166 2 feature feature NN 39928 1166 3 , , , 39928 1166 4 which which WDT 39928 1166 5 is be VBZ 39928 1166 6 well well RB 39928 1166 7 shown show VBN 39928 1166 8 to to IN 39928 1166 9 the the DT 39928 1166 10 eye eye NN 39928 1166 11 by by IN 39928 1166 12 these these DT 39928 1166 13 more more RBR 39928 1166 14 accurate accurate JJ 39928 1166 15 maps map NNS 39928 1166 16 , , , 39928 1166 17 is be VBZ 39928 1166 18 the the DT 39928 1166 19 regular regular JJ 39928 1166 20 curvature curvature NN 39928 1166 21 of of IN 39928 1166 22 the the DT 39928 1166 23 central central JJ 39928 1166 24 line line NN 39928 1166 25 of of IN 39928 1166 26 the the DT 39928 1166 27 Milky Milky NNP 39928 1166 28 Way Way NNP 39928 1166 29 . . . 39928 1167 1 We -PRON- PRP 39928 1167 2 can can MD 39928 1167 3 judge judge VB 39928 1167 4 of of IN 39928 1167 5 this this DT 39928 1167 6 almost almost RB 39928 1167 7 sufficiently sufficiently RB 39928 1167 8 by by IN 39928 1167 9 the the DT 39928 1167 10 eye eye NN 39928 1167 11 ; ; : 39928 1167 12 but but CC 39928 1167 13 if if IN 39928 1167 14 , , , 39928 1167 15 with with IN 39928 1167 16 a a DT 39928 1167 17 pair pair NN 39928 1167 18 of of IN 39928 1167 19 compasses compass NNS 39928 1167 20 , , , 39928 1167 21 we -PRON- PRP 39928 1167 22 find find VBP 39928 1167 23 the the DT 39928 1167 24 proper proper JJ 39928 1167 25 radius radius NN 39928 1167 26 and and CC 39928 1167 27 centre centre NN 39928 1167 28 of of IN 39928 1167 29 curvature curvature NN 39928 1167 30 , , , 39928 1167 31 we -PRON- PRP 39928 1167 32 shall shall MD 39928 1167 33 see see VB 39928 1167 34 that that IN 39928 1167 35 the the DT 39928 1167 36 true true JJ 39928 1167 37 circular circular JJ 39928 1167 38 curve curve NN 39928 1167 39 is be VBZ 39928 1167 40 always always RB 39928 1167 41 in in IN 39928 1167 42 the the DT 39928 1167 43 very very RB 39928 1167 44 centre centre NN 39928 1167 45 of of IN 39928 1167 46 the the DT 39928 1167 47 nebulous nebulous JJ 39928 1167 48 mass mass NN 39928 1167 49 , , , 39928 1167 50 and and CC 39928 1167 51 the the DT 39928 1167 52 same same JJ 39928 1167 53 radius radius NN 39928 1167 54 applied apply VBD 39928 1167 55 in in IN 39928 1167 56 the the DT 39928 1167 57 same same JJ 39928 1167 58 manner manner NN 39928 1167 59 to to IN 39928 1167 60 the the DT 39928 1167 61 opposite opposite JJ 39928 1167 62 hemisphere hemisphere NNP 39928 1167 63 gives give VBZ 39928 1167 64 a a DT 39928 1167 65 similar similar JJ 39928 1167 66 result result NN 39928 1167 67 . . . 39928 1168 1 It -PRON- PRP 39928 1168 2 will will MD 39928 1168 3 be be VB 39928 1168 4 noted note VBN 39928 1168 5 that that IN 39928 1168 6 as as IN 39928 1168 7 the the DT 39928 1168 8 Milky Milky NNP 39928 1168 9 Way Way NNP 39928 1168 10 is be VBZ 39928 1168 11 obliquely obliquely RB 39928 1168 12 situated situate VBN 39928 1168 13 on on IN 39928 1168 14 these these DT 39928 1168 15 charts chart NNS 39928 1168 16 , , , 39928 1168 17 the the DT 39928 1168 18 centre centre NN 39928 1168 19 of of IN 39928 1168 20 the the DT 39928 1168 21 curve curve NN 39928 1168 22 will will MD 39928 1168 23 be be VB 39928 1168 24 about about IN 39928 1168 25 in in IN 39928 1168 26 R.A. R.A. NNP 39928 1168 27 0h 0h NNP 39928 1168 28 . . . 39928 1169 1 40 40 CD 39928 1169 2 m m NN 39928 1169 3 . . . 39928 1170 1 in in IN 39928 1170 2 the the DT 39928 1170 3 map map NN 39928 1170 4 of of IN 39928 1170 5 the the DT 39928 1170 6 southern southern JJ 39928 1170 7 hemisphere hemisphere NN 39928 1170 8 , , , 39928 1170 9 and and CC 39928 1170 10 in in IN 39928 1170 11 R.A. R.A. NNP 39928 1170 12 12h 12h NNS 39928 1170 13 . . . 39928 1171 1 40 40 CD 39928 1171 2 m m NN 39928 1171 3 . . . 39928 1172 1 in in IN 39928 1172 2 that that DT 39928 1172 3 of of IN 39928 1172 4 the the DT 39928 1172 5 northern northern JJ 39928 1172 6 hemisphere hemisphere NN 39928 1172 7 ; ; : 39928 1172 8 while while IN 39928 1172 9 the the DT 39928 1172 10 radius radius NN 39928 1172 11 of of IN 39928 1172 12 curvature curvature NN 39928 1172 13 will will MD 39928 1172 14 be be VB 39928 1172 15 about about IN 39928 1172 16 the the DT 39928 1172 17 length length NN 39928 1172 18 of of IN 39928 1172 19 the the DT 39928 1172 20 chord chord NN 39928 1172 21 of of IN 39928 1172 22 eight eight CD 39928 1172 23 hours hour NNS 39928 1172 24 of of IN 39928 1172 25 R.A. R.A. NNP 39928 1172 26 as as IN 39928 1172 27 measured measure VBN 39928 1172 28 on on IN 39928 1172 29 the the DT 39928 1172 30 margin margin NN 39928 1172 31 of of IN 39928 1172 32 the the DT 39928 1172 33 maps map NNS 39928 1172 34 . . . 39928 1173 1 This this DT 39928 1173 2 great great JJ 39928 1173 3 regularity regularity NN 39928 1173 4 of of IN 39928 1173 5 curve curve NN 39928 1173 6 of of IN 39928 1173 7 the the DT 39928 1173 8 central central JJ 39928 1173 9 line line NN 39928 1173 10 of of IN 39928 1173 11 the the DT 39928 1173 12 Galaxy Galaxy NNP 39928 1173 13 strongly strongly RB 39928 1173 14 suggests suggest VBZ 39928 1173 15 rotation rotation NN 39928 1173 16 as as IN 39928 1173 17 the the DT 39928 1173 18 only only JJ 39928 1173 19 means mean NNS 39928 1173 20 by by IN 39928 1173 21 which which WDT 39928 1173 22 it -PRON- PRP 39928 1173 23 could could MD 39928 1173 24 have have VB 39928 1173 25 originated originate VBN 39928 1173 26 and and CC 39928 1173 27 be be VB 39928 1173 28 maintained maintain VBN 39928 1173 29 . . . 39928 1174 1 THE the DT 39928 1174 2 SOLAR solar NN 39928 1174 3 CLUSTER CLUSTER NNP 39928 1174 4 Astronomers astronomer NNS 39928 1174 5 are be VBP 39928 1174 6 now now RB 39928 1174 7 generally generally RB 39928 1174 8 agreed agree VBN 39928 1174 9 that that IN 39928 1174 10 there there EX 39928 1174 11 is be VBZ 39928 1174 12 a a DT 39928 1174 13 cluster cluster NN 39928 1174 14 of of IN 39928 1174 15 stars star NNS 39928 1174 16 of of IN 39928 1174 17 which which WDT 39928 1174 18 our -PRON- PRP$ 39928 1174 19 sun sun NN 39928 1174 20 forms form VBZ 39928 1174 21 a a DT 39928 1174 22 part part NN 39928 1174 23 , , , 39928 1174 24 though though IN 39928 1174 25 its -PRON- PRP$ 39928 1174 26 exact exact JJ 39928 1174 27 dimensions dimension NNS 39928 1174 28 , , , 39928 1174 29 form form NN 39928 1174 30 , , , 39928 1174 31 and and CC 39928 1174 32 limits limit NNS 39928 1174 33 are be VBP 39928 1174 34 still still RB 39928 1174 35 under under IN 39928 1174 36 discussion discussion NN 39928 1174 37 . . . 39928 1175 1 Sir Sir NNP 39928 1175 2 William William NNP 39928 1175 3 Herschel Herschel NNP 39928 1175 4 long long RB 39928 1175 5 ago ago RB 39928 1175 6 arrived arrive VBD 39928 1175 7 at at IN 39928 1175 8 the the DT 39928 1175 9 conclusion conclusion NN 39928 1175 10 that that IN 39928 1175 11 the the DT 39928 1175 12 Milky Milky NNP 39928 1175 13 Way Way NNP 39928 1175 14 ' ' '' 39928 1175 15 consists consist VBZ 39928 1175 16 of of IN 39928 1175 17 stars star NNS 39928 1175 18 very very RB 39928 1175 19 differently differently RB 39928 1175 20 scattered scatter VBN 39928 1175 21 from from IN 39928 1175 22 those those DT 39928 1175 23 immediately immediately RB 39928 1175 24 around around IN 39928 1175 25 us -PRON- PRP 39928 1175 26 . . . 39928 1175 27 ' ' '' 39928 1176 1 Dr. Dr. NNP 39928 1176 2 Gould Gould NNP 39928 1176 3 believed believe VBD 39928 1176 4 that that IN 39928 1176 5 there there EX 39928 1176 6 were be VBD 39928 1176 7 about about RB 39928 1176 8 five five CD 39928 1176 9 hundred hundred CD 39928 1176 10 bright bright JJ 39928 1176 11 stars star NNS 39928 1176 12 much much JJ 39928 1176 13 nearer nearer RB 39928 1176 14 to to IN 39928 1176 15 us -PRON- PRP 39928 1176 16 than than IN 39928 1176 17 the the DT 39928 1176 18 Milky Milky NNP 39928 1176 19 Way Way NNP 39928 1176 20 , , , 39928 1176 21 which which WDT 39928 1176 22 he -PRON- PRP 39928 1176 23 termed term VBD 39928 1176 24 the the DT 39928 1176 25 solar solar JJ 39928 1176 26 cluster cluster NN 39928 1176 27 . . . 39928 1177 1 And and CC 39928 1177 2 Miss Miss NNP 39928 1177 3 Clerke Clerke NNP 39928 1177 4 observes observe VBZ 39928 1177 5 that that IN 39928 1177 6 the the DT 39928 1177 7 actual actual JJ 39928 1177 8 existence existence NN 39928 1177 9 of of IN 39928 1177 10 such such PDT 39928 1177 11 a a DT 39928 1177 12 cluster cluster NN 39928 1177 13 is be VBZ 39928 1177 14 indicated indicate VBN 39928 1177 15 by by IN 39928 1177 16 the the DT 39928 1177 17 fact fact NN 39928 1177 18 that that IN 39928 1177 19 ' ' '' 39928 1177 20 an an DT 39928 1177 21 enumeration enumeration NN 39928 1177 22 of of IN 39928 1177 23 the the DT 39928 1177 24 stars star NNS 39928 1177 25 in in IN 39928 1177 26 photometric photometric JJ 39928 1177 27 order order NN 39928 1177 28 discloses disclose VBZ 39928 1177 29 a a DT 39928 1177 30 systematic systematic JJ 39928 1177 31 excess excess NN 39928 1177 32 of of IN 39928 1177 33 stars star NNS 39928 1177 34 brighter bright JJR 39928 1177 35 than than IN 39928 1177 36 the the DT 39928 1177 37 4th 4th JJ 39928 1177 38 magnitude magnitude NN 39928 1177 39 , , , 39928 1177 40 making make VBG 39928 1177 41 it -PRON- PRP 39928 1177 42 certain certain JJ 39928 1177 43 that that IN 39928 1177 44 there there EX 39928 1177 45 is be VBZ 39928 1177 46 an an DT 39928 1177 47 actual actual JJ 39928 1177 48 condensation condensation NN 39928 1177 49 in in IN 39928 1177 50 the the DT 39928 1177 51 neighbourhood neighbourhood NN 39928 1177 52 of of IN 39928 1177 53 the the DT 39928 1177 54 sun sun NN 39928 1177 55 -- -- : 39928 1177 56 that that IN 39928 1177 57 the the DT 39928 1177 58 average average JJ 39928 1177 59 allowance allowance NN 39928 1177 60 of of IN 39928 1177 61 cubical cubical JJ 39928 1177 62 space space NN 39928 1177 63 per per IN 39928 1177 64 star star NNP 39928 1177 65 is be VBZ 39928 1177 66 smaller small JJR 39928 1177 67 within within IN 39928 1177 68 a a DT 39928 1177 69 sphere sphere NN 39928 1177 70 enclosing enclose VBG 39928 1177 71 him -PRON- PRP 39928 1177 72 with with IN 39928 1177 73 a a DT 39928 1177 74 radius radius NN 39928 1177 75 , , , 39928 1177 76 say say VB 39928 1177 77 , , , 39928 1177 78 of of IN 39928 1177 79 140 140 CD 39928 1177 80 light light NN 39928 1177 81 - - HYPH 39928 1177 82 years year NNS 39928 1177 83 , , , 39928 1177 84 than than IN 39928 1177 85 further further RB 39928 1177 86 away away RB 39928 1177 87 . . . 39928 1178 1 ' ' `` 39928 1178 2 [ [ -LRB- 39928 1178 3 5 5 CD 39928 1178 4 ] ] -RRB- 39928 1178 5 But but CC 39928 1178 6 the the DT 39928 1178 7 most most RBS 39928 1178 8 interesting interesting JJ 39928 1178 9 inquiry inquiry NN 39928 1178 10 into into IN 39928 1178 11 this this DT 39928 1178 12 subject subject NN 39928 1178 13 is be VBZ 39928 1178 14 that that IN 39928 1178 15 by by IN 39928 1178 16 Professor Professor NNP 39928 1178 17 Kapteyn Kapteyn NNP 39928 1178 18 of of IN 39928 1178 19 Gröningen Gröningen NNP 39928 1178 20 , , , 39928 1178 21 one one CD 39928 1178 22 of of IN 39928 1178 23 the the DT 39928 1178 24 most most RBS 39928 1178 25 painstaking painstaking JJ 39928 1178 26 students student NNS 39928 1178 27 of of IN 39928 1178 28 the the DT 39928 1178 29 distribution distribution NN 39928 1178 30 of of IN 39928 1178 31 the the DT 39928 1178 32 stars star NNS 39928 1178 33 . . . 39928 1179 1 He -PRON- PRP 39928 1179 2 founds found VBZ 39928 1179 3 his -PRON- PRP$ 39928 1179 4 conclusions conclusion NNS 39928 1179 5 mainly mainly RB 39928 1179 6 on on IN 39928 1179 7 the the DT 39928 1179 8 proper proper JJ 39928 1179 9 motions motion NNS 39928 1179 10 of of IN 39928 1179 11 the the DT 39928 1179 12 stars star NNS 39928 1179 13 , , , 39928 1179 14 this this DT 39928 1179 15 being be VBG 39928 1179 16 the the DT 39928 1179 17 best good JJS 39928 1179 18 general general JJ 39928 1179 19 indication indication NN 39928 1179 20 of of IN 39928 1179 21 distance distance NN 39928 1179 22 in in IN 39928 1179 23 the the DT 39928 1179 24 absence absence NN 39928 1179 25 of of IN 39928 1179 26 actual actual JJ 39928 1179 27 determination determination NN 39928 1179 28 of of IN 39928 1179 29 parallax parallax NN 39928 1179 30 . . . 39928 1180 1 He -PRON- PRP 39928 1180 2 made make VBD 39928 1180 3 use use NN 39928 1180 4 of of IN 39928 1180 5 the the DT 39928 1180 6 proper proper JJ 39928 1180 7 motions motion NNS 39928 1180 8 and and CC 39928 1180 9 the the DT 39928 1180 10 spectra spectra NN 39928 1180 11 of of IN 39928 1180 12 more more JJR 39928 1180 13 than than IN 39928 1180 14 two two CD 39928 1180 15 thousand thousand CD 39928 1180 16 stars star NNS 39928 1180 17 , , , 39928 1180 18 and and CC 39928 1180 19 he -PRON- PRP 39928 1180 20 finds find VBZ 39928 1180 21 that that IN 39928 1180 22 a a DT 39928 1180 23 considerable considerable JJ 39928 1180 24 body body NN 39928 1180 25 of of IN 39928 1180 26 stars star NNS 39928 1180 27 having have VBG 39928 1180 28 large large JJ 39928 1180 29 proper proper JJ 39928 1180 30 motions motion NNS 39928 1180 31 , , , 39928 1180 32 and and CC 39928 1180 33 also also RB 39928 1180 34 presenting present VBG 39928 1180 35 the the DT 39928 1180 36 solar solar JJ 39928 1180 37 type type NN 39928 1180 38 of of IN 39928 1180 39 spectra spectra NNP 39928 1180 40 , , , 39928 1180 41 surround surround VB 39928 1180 42 our -PRON- PRP$ 39928 1180 43 sun sun NN 39928 1180 44 in in IN 39928 1180 45 all all DT 39928 1180 46 directions direction NNS 39928 1180 47 , , , 39928 1180 48 and and CC 39928 1180 49 show show VB 39928 1180 50 no no DT 39928 1180 51 increased increase VBN 39928 1180 52 density density NN 39928 1180 53 , , , 39928 1180 54 as as IN 39928 1180 55 the the DT 39928 1180 56 more more RBR 39928 1180 57 distant distant JJ 39928 1180 58 stars star NNS 39928 1180 59 do do VBP 39928 1180 60 , , , 39928 1180 61 towards towards IN 39928 1180 62 the the DT 39928 1180 63 Milky Milky NNP 39928 1180 64 Way Way NNP 39928 1180 65 . . . 39928 1181 1 He -PRON- PRP 39928 1181 2 finds find VBZ 39928 1181 3 also also RB 39928 1181 4 that that IN 39928 1181 5 towards towards IN 39928 1181 6 the the DT 39928 1181 7 centre centre NN 39928 1181 8 of of IN 39928 1181 9 this this DT 39928 1181 10 cluster cluster NN 39928 1181 11 stars star NNS 39928 1181 12 are be VBP 39928 1181 13 far far RB 39928 1181 14 closer close RBR 39928 1181 15 together together RB 39928 1181 16 than than IN 39928 1181 17 near near IN 39928 1181 18 its -PRON- PRP$ 39928 1181 19 outer outer JJ 39928 1181 20 limits limit NNS 39928 1181 21 ( ( -LRB- 39928 1181 22 he -PRON- PRP 39928 1181 23 says say VBZ 39928 1181 24 there there EX 39928 1181 25 are be VBP 39928 1181 26 ninety ninety CD 39928 1181 27 - - HYPH 39928 1181 28 eight eight CD 39928 1181 29 times time NNS 39928 1181 30 as as RB 39928 1181 31 many many JJ 39928 1181 32 ) ) -RRB- 39928 1181 33 , , , 39928 1181 34 that that IN 39928 1181 35 it -PRON- PRP 39928 1181 36 is be VBZ 39928 1181 37 roughly roughly RB 39928 1181 38 spherical spherical JJ 39928 1181 39 in in IN 39928 1181 40 shape shape NN 39928 1181 41 , , , 39928 1181 42 and and CC 39928 1181 43 that that IN 39928 1181 44 the the DT 39928 1181 45 maximum maximum JJ 39928 1181 46 compression compression NN 39928 1181 47 is be VBZ 39928 1181 48 , , , 39928 1181 49 as as RB 39928 1181 50 nearly nearly RB 39928 1181 51 as as IN 39928 1181 52 can can MD 39928 1181 53 be be VB 39928 1181 54 ascertained ascertain VBN 39928 1181 55 , , , 39928 1181 56 at at IN 39928 1181 57 the the DT 39928 1181 58 centre centre NN 39928 1181 59 of of IN 39928 1181 60 the the DT 39928 1181 61 circle circle NN 39928 1181 62 of of IN 39928 1181 63 the the DT 39928 1181 64 Milky Milky NNP 39928 1181 65 Way Way NNP 39928 1181 66 , , , 39928 1181 67 while while IN 39928 1181 68 the the DT 39928 1181 69 sun sun NN 39928 1181 70 is be VBZ 39928 1181 71 at at IN 39928 1181 72 some some DT 39928 1181 73 distance distance NN 39928 1181 74 away away RB 39928 1181 75 from from IN 39928 1181 76 this this DT 39928 1181 77 central central JJ 39928 1181 78 point point NN 39928 1181 79 . . . 39928 1182 1 [ [ -LRB- 39928 1182 2 6 6 CD 39928 1182 3 ] ] -RRB- 39928 1182 4 It -PRON- PRP 39928 1182 5 is be VBZ 39928 1182 6 a a DT 39928 1182 7 very very RB 39928 1182 8 suggestive suggestive JJ 39928 1182 9 fact fact NN 39928 1182 10 that that IN 39928 1182 11 most most JJS 39928 1182 12 of of IN 39928 1182 13 the the DT 39928 1182 14 stars star NNS 39928 1182 15 belonging belong VBG 39928 1182 16 to to IN 39928 1182 17 this this DT 39928 1182 18 cluster cluster NN 39928 1182 19 have have VB 39928 1182 20 spectra spectra NN 39928 1182 21 of of IN 39928 1182 22 the the DT 39928 1182 23 solar solar JJ 39928 1182 24 type type NN 39928 1182 25 , , , 39928 1182 26 which which WDT 39928 1182 27 indicates indicate VBZ 39928 1182 28 that that IN 39928 1182 29 they -PRON- PRP 39928 1182 30 are be VBP 39928 1182 31 of of IN 39928 1182 32 the the DT 39928 1182 33 same same JJ 39928 1182 34 general general JJ 39928 1182 35 chemical chemical NN 39928 1182 36 constitution constitution NN 39928 1182 37 as as IN 39928 1182 38 our -PRON- PRP$ 39928 1182 39 sun sun NN 39928 1182 40 , , , 39928 1182 41 and and CC 39928 1182 42 are be VBP 39928 1182 43 also also RB 39928 1182 44 at at IN 39928 1182 45 about about IN 39928 1182 46 the the DT 39928 1182 47 same same JJ 39928 1182 48 stage stage NN 39928 1182 49 of of IN 39928 1182 50 evolution evolution NN 39928 1182 51 ; ; : 39928 1182 52 and and CC 39928 1182 53 this this DT 39928 1182 54 may may MD 39928 1182 55 well well RB 39928 1182 56 have have VB 39928 1182 57 arisen arise VBN 39928 1182 58 from from IN 39928 1182 59 their -PRON- PRP$ 39928 1182 60 origin origin NN 39928 1182 61 in in IN 39928 1182 62 a a DT 39928 1182 63 great great JJ 39928 1182 64 nebulous nebulous JJ 39928 1182 65 mass mass NN 39928 1182 66 situated situate VBN 39928 1182 67 at at IN 39928 1182 68 or or CC 39928 1182 69 near near IN 39928 1182 70 the the DT 39928 1182 71 centre centre NN 39928 1182 72 of of IN 39928 1182 73 the the DT 39928 1182 74 galactic galactic JJ 39928 1182 75 plane plane NN 39928 1182 76 , , , 39928 1182 77 and and CC 39928 1182 78 probably probably RB 39928 1182 79 revolving revolve VBG 39928 1182 80 round round IN 39928 1182 81 their -PRON- PRP$ 39928 1182 82 common common JJ 39928 1182 83 centre centre NN 39928 1182 84 of of IN 39928 1182 85 gravity gravity NN 39928 1182 86 . . . 39928 1183 1 As as IN 39928 1183 2 Kapteyn Kapteyn NNP 39928 1183 3 's 's POS 39928 1183 4 result result NN 39928 1183 5 was be VBD 39928 1183 6 based base VBN 39928 1183 7 on on IN 39928 1183 8 materials material NNS 39928 1183 9 which which WDT 39928 1183 10 were be VBD 39928 1183 11 not not RB 39928 1183 12 so so RB 39928 1183 13 full full JJ 39928 1183 14 or or CC 39928 1183 15 reliable reliable JJ 39928 1183 16 as as IN 39928 1183 17 those those DT 39928 1183 18 now now RB 39928 1183 19 available available JJ 39928 1183 20 , , , 39928 1183 21 Professor Professor NNP 39928 1183 22 S. S. NNP 39928 1183 23 Newcomb Newcomb NNP 39928 1183 24 has have VBZ 39928 1183 25 examined examine VBN 39928 1183 26 the the DT 39928 1183 27 question question NN 39928 1183 28 himself -PRON- PRP 39928 1183 29 , , , 39928 1183 30 using use VBG 39928 1183 31 two two CD 39928 1183 32 recent recent JJ 39928 1183 33 lists list NNS 39928 1183 34 of of IN 39928 1183 35 stars star NNS 39928 1183 36 , , , 39928 1183 37 one one CD 39928 1183 38 limited limit VBD 39928 1183 39 to to IN 39928 1183 40 those those DT 39928 1183 41 having have VBG 39928 1183 42 proper proper JJ 39928 1183 43 motions motion NNS 39928 1183 44 of of IN 39928 1183 45 10 10 CD 39928 1183 46 " " `` 39928 1183 47 a a DT 39928 1183 48 century century NN 39928 1183 49 , , , 39928 1183 50 of of IN 39928 1183 51 which which WDT 39928 1183 52 there there EX 39928 1183 53 are be VBP 39928 1183 54 295 295 CD 39928 1183 55 , , , 39928 1183 56 and and CC 39928 1183 57 the the DT 39928 1183 58 other other JJ 39928 1183 59 of of IN 39928 1183 60 nearly nearly RB 39928 1183 61 1500 1500 CD 39928 1183 62 stars star NNS 39928 1183 63 with with IN 39928 1183 64 ' ' `` 39928 1183 65 appreciable appreciable JJ 39928 1183 66 proper proper JJ 39928 1183 67 motions motion NNS 39928 1183 68 . . . 39928 1183 69 ' ' '' 39928 1184 1 They -PRON- PRP 39928 1184 2 are be VBP 39928 1184 3 situated situate VBN 39928 1184 4 in in IN 39928 1184 5 two two CD 39928 1184 6 zones zone NNS 39928 1184 7 , , , 39928 1184 8 each each DT 39928 1184 9 about about RB 39928 1184 10 5 5 CD 39928 1184 11 ° ° NNS 39928 1184 12 in in IN 39928 1184 13 breadth breadth NN 39928 1184 14 and and CC 39928 1184 15 cutting cutting NN 39928 1184 16 across across IN 39928 1184 17 the the DT 39928 1184 18 Milky Milky NNP 39928 1184 19 Way Way NNP 39928 1184 20 in in IN 39928 1184 21 different different JJ 39928 1184 22 parts part NNS 39928 1184 23 of of IN 39928 1184 24 its -PRON- PRP$ 39928 1184 25 course course NN 39928 1184 26 . . . 39928 1185 1 They -PRON- PRP 39928 1185 2 afford afford VBP 39928 1185 3 , , , 39928 1185 4 therefore therefore RB 39928 1185 5 , , , 39928 1185 6 a a DT 39928 1185 7 good good JJ 39928 1185 8 test test NN 39928 1185 9 of of IN 39928 1185 10 the the DT 39928 1185 11 distribution distribution NN 39928 1185 12 of of IN 39928 1185 13 these these DT 39928 1185 14 nearer near JJR 39928 1185 15 stars star NNS 39928 1185 16 with with IN 39928 1185 17 regard regard NN 39928 1185 18 to to IN 39928 1185 19 the the DT 39928 1185 20 Galaxy Galaxy NNP 39928 1185 21 . . . 39928 1186 1 The the DT 39928 1186 2 result result NN 39928 1186 3 is be VBZ 39928 1186 4 , , , 39928 1186 5 that that IN 39928 1186 6 on on IN 39928 1186 7 the the DT 39928 1186 8 average average JJ 39928 1186 9 these these DT 39928 1186 10 stars star NNS 39928 1186 11 are be VBP 39928 1186 12 not not RB 39928 1186 13 more more RBR 39928 1186 14 numerous numerous JJ 39928 1186 15 in in IN 39928 1186 16 or or CC 39928 1186 17 near near IN 39928 1186 18 the the DT 39928 1186 19 Milky Milky NNP 39928 1186 20 Way Way NNP 39928 1186 21 than than IN 39928 1186 22 elsewhere elsewhere RB 39928 1186 23 ; ; : 39928 1186 24 and and CC 39928 1186 25 Professor Professor NNP 39928 1186 26 Newcomb Newcomb NNP 39928 1186 27 expresses express VBZ 39928 1186 28 himself -PRON- PRP 39928 1186 29 on on IN 39928 1186 30 this this DT 39928 1186 31 point point NN 39928 1186 32 as as IN 39928 1186 33 follows:--'The follows:--'the JJ 39928 1186 34 conclusion conclusion NN 39928 1186 35 is be VBZ 39928 1186 36 interesting interesting JJ 39928 1186 37 and and CC 39928 1186 38 important important JJ 39928 1186 39 . . . 39928 1187 1 If if IN 39928 1187 2 we -PRON- PRP 39928 1187 3 should should MD 39928 1187 4 blot blot VB 39928 1187 5 out out RP 39928 1187 6 from from IN 39928 1187 7 the the DT 39928 1187 8 sky sky NN 39928 1187 9 all all PDT 39928 1187 10 the the DT 39928 1187 11 stars star NNS 39928 1187 12 having have VBG 39928 1187 13 no no DT 39928 1187 14 proper proper JJ 39928 1187 15 motion motion NN 39928 1187 16 large large JJ 39928 1187 17 enough enough RB 39928 1187 18 to to TO 39928 1187 19 be be VB 39928 1187 20 detected detect VBN 39928 1187 21 , , , 39928 1187 22 we -PRON- PRP 39928 1187 23 should should MD 39928 1187 24 find find VB 39928 1187 25 remaining remain VBG 39928 1187 26 stars star NNS 39928 1187 27 of of IN 39928 1187 28 all all DT 39928 1187 29 magnitudes magnitude NNS 39928 1187 30 ; ; : 39928 1187 31 but but CC 39928 1187 32 they -PRON- PRP 39928 1187 33 would would MD 39928 1187 34 be be VB 39928 1187 35 scattered scatter VBN 39928 1187 36 almost almost RB 39928 1187 37 uniformly uniformly RB 39928 1187 38 over over IN 39928 1187 39 the the DT 39928 1187 40 sky sky NN 39928 1187 41 , , , 39928 1187 42 and and CC 39928 1187 43 show show VB 39928 1187 44 little little JJ 39928 1187 45 or or CC 39928 1187 46 no no DT 39928 1187 47 tendency tendency NN 39928 1187 48 to to TO 39928 1187 49 crowd crowd VB 39928 1187 50 towards towards IN 39928 1187 51 the the DT 39928 1187 52 Galaxy Galaxy NNP 39928 1187 53 , , , 39928 1187 54 unless unless IN 39928 1187 55 , , , 39928 1187 56 perhaps perhaps RB 39928 1187 57 , , , 39928 1187 58 in in IN 39928 1187 59 the the DT 39928 1187 60 region region NN 39928 1187 61 near near IN 39928 1187 62 19h 19h NNS 39928 1187 63 . . . 39928 1188 1 of of IN 39928 1188 2 Right Right NNP 39928 1188 3 Ascension Ascension NNP 39928 1188 4 . . . 39928 1189 1 ' ' `` 39928 1189 2 [ [ -LRB- 39928 1189 3 7 7 LS 39928 1189 4 ] ] -RRB- 39928 1189 5 A a DT 39928 1189 6 little little JJ 39928 1189 7 consideration consideration NN 39928 1189 8 will will MD 39928 1189 9 show show VB 39928 1189 10 that that IN 39928 1189 11 , , , 39928 1189 12 as as IN 39928 1189 13 the the DT 39928 1189 14 stars star NNS 39928 1189 15 of of IN 39928 1189 16 all all DT 39928 1189 17 magnitudes magnitude NNS 39928 1189 18 which which WDT 39928 1189 19 are be VBP 39928 1189 20 , , , 39928 1189 21 on on IN 39928 1189 22 the the DT 39928 1189 23 average average NN 39928 1189 24 , , , 39928 1189 25 nearest nearest RB 39928 1189 26 to to IN 39928 1189 27 us -PRON- PRP 39928 1189 28 are be VBP 39928 1189 29 spread spread VBN 39928 1189 30 over over IN 39928 1189 31 the the DT 39928 1189 32 sky sky NN 39928 1189 33 in in IN 39928 1189 34 ' ' '' 39928 1189 35 all all DT 39928 1189 36 directions direction NNS 39928 1189 37 ' ' '' 39928 1189 38 and and CC 39928 1189 39 ' ' `` 39928 1189 40 almost almost RB 39928 1189 41 uniformly uniformly JJ 39928 1189 42 , , , 39928 1189 43 ' ' '' 39928 1189 44 this this DT 39928 1189 45 necessarily necessarily RB 39928 1189 46 implies imply VBZ 39928 1189 47 that that IN 39928 1189 48 they -PRON- PRP 39928 1189 49 form form VBP 39928 1189 50 a a DT 39928 1189 51 cluster cluster NN 39928 1189 52 or or CC 39928 1189 53 group group NN 39928 1189 54 , , , 39928 1189 55 and and CC 39928 1189 56 that that IN 39928 1189 57 our -PRON- PRP$ 39928 1189 58 sun sun NN 39928 1189 59 is be VBZ 39928 1189 60 somewhere somewhere RB 39928 1189 61 not not RB 39928 1189 62 very very RB 39928 1189 63 far far RB 39928 1189 64 from from IN 39928 1189 65 the the DT 39928 1189 66 centre centre NN 39928 1189 67 of of IN 39928 1189 68 this this DT 39928 1189 69 group group NN 39928 1189 70 . . . 39928 1190 1 Again again RB 39928 1190 2 , , , 39928 1190 3 Professor Professor NNP 39928 1190 4 Newcomb Newcomb NNP 39928 1190 5 refers refer VBZ 39928 1190 6 to to IN 39928 1190 7 ' ' '' 39928 1190 8 the the DT 39928 1190 9 remarkable remarkable JJ 39928 1190 10 equality equality NN 39928 1190 11 in in IN 39928 1190 12 the the DT 39928 1190 13 number number NN 39928 1190 14 of of IN 39928 1190 15 stars star NNS 39928 1190 16 in in IN 39928 1190 17 opposite opposite JJ 39928 1190 18 directions direction NNS 39928 1190 19 from from IN 39928 1190 20 us -PRON- PRP 39928 1190 21 . . . 39928 1191 1 We -PRON- PRP 39928 1191 2 do do VBP 39928 1191 3 not not RB 39928 1191 4 detect detect VB 39928 1191 5 any any DT 39928 1191 6 marked marked JJ 39928 1191 7 difference difference NN 39928 1191 8 between between IN 39928 1191 9 the the DT 39928 1191 10 numbers number NNS 39928 1191 11 lying lie VBG 39928 1191 12 round round IN 39928 1191 13 the the DT 39928 1191 14 opposite opposite JJ 39928 1191 15 poles pole NNS 39928 1191 16 of of IN 39928 1191 17 the the DT 39928 1191 18 Galaxy Galaxy NNP 39928 1191 19 , , , 39928 1191 20 nor nor CC 39928 1191 21 , , , 39928 1191 22 so so RB 39928 1191 23 far far RB 39928 1191 24 as as IN 39928 1191 25 known know VBN 39928 1191 26 , , , 39928 1191 27 between between IN 39928 1191 28 the the DT 39928 1191 29 star star NN 39928 1191 30 - - HYPH 39928 1191 31 density density NN 39928 1191 32 in in IN 39928 1191 33 different different JJ 39928 1191 34 regions region NNS 39928 1191 35 at at IN 39928 1191 36 equal equal JJ 39928 1191 37 distances distance NNS 39928 1191 38 from from IN 39928 1191 39 the the DT 39928 1191 40 Milky Milky NNP 39928 1191 41 Way Way NNP 39928 1191 42 ' ' '' 39928 1191 43 ( ( -LRB- 39928 1191 44 _ _ NNP 39928 1191 45 The the DT 39928 1191 46 Stars Stars NNPS 39928 1191 47 _ _ NNP 39928 1191 48 , , , 39928 1191 49 p. p. NN 39928 1191 50 315 315 CD 39928 1191 51 ) ) -RRB- 39928 1191 52 . . . 39928 1192 1 And and CC 39928 1192 2 again again RB 39928 1192 3 he -PRON- PRP 39928 1192 4 refers refer VBZ 39928 1192 5 to to IN 39928 1192 6 the the DT 39928 1192 7 same same JJ 39928 1192 8 question question NN 39928 1192 9 at at IN 39928 1192 10 p. p. NN 39928 1192 11 317 317 CD 39928 1192 12 , , , 39928 1192 13 where where WRB 39928 1192 14 he -PRON- PRP 39928 1192 15 says say VBZ 39928 1192 16 : : : 39928 1192 17 ' ' `` 39928 1192 18 So so RB 39928 1192 19 far far RB 39928 1192 20 as as IN 39928 1192 21 we -PRON- PRP 39928 1192 22 can can MD 39928 1192 23 judge judge VB 39928 1192 24 from from IN 39928 1192 25 the the DT 39928 1192 26 enumeration enumeration NN 39928 1192 27 of of IN 39928 1192 28 the the DT 39928 1192 29 stars star NNS 39928 1192 30 in in IN 39928 1192 31 all all DT 39928 1192 32 directions direction NNS 39928 1192 33 , , , 39928 1192 34 and and CC 39928 1192 35 from from IN 39928 1192 36 the the DT 39928 1192 37 aspect aspect NN 39928 1192 38 of of IN 39928 1192 39 the the DT 39928 1192 40 Milky Milky NNP 39928 1192 41 Way Way NNP 39928 1192 42 , , , 39928 1192 43 our -PRON- PRP$ 39928 1192 44 system system NN 39928 1192 45 is be VBZ 39928 1192 46 near near IN 39928 1192 47 the the DT 39928 1192 48 centre centre NN 39928 1192 49 of of IN 39928 1192 50 the the DT 39928 1192 51 stellar stellar JJ 39928 1192 52 universe universe NN 39928 1192 53 . . . 39928 1192 54 ' ' '' 39928 1193 1 It -PRON- PRP 39928 1193 2 will will MD 39928 1193 3 , , , 39928 1193 4 I -PRON- PRP 39928 1193 5 think think VBP 39928 1193 6 , , , 39928 1193 7 now now RB 39928 1193 8 be be VB 39928 1193 9 clear clear JJ 39928 1193 10 to to IN 39928 1193 11 my -PRON- PRP$ 39928 1193 12 readers reader NNS 39928 1193 13 that that IN 39928 1193 14 the the DT 39928 1193 15 four four CD 39928 1193 16 main main JJ 39928 1193 17 astronomical astronomical JJ 39928 1193 18 propositions proposition NNS 39928 1193 19 stated state VBN 39928 1193 20 in in IN 39928 1193 21 my -PRON- PRP$ 39928 1193 22 article article NN 39928 1193 23 which which WDT 39928 1193 24 appeared appear VBD 39928 1193 25 in in IN 39928 1193 26 the the DT 39928 1193 27 New New NNP 39928 1193 28 York York NNP 39928 1193 29 _ _ NNP 39928 1193 30 Independent Independent NNP 39928 1193 31 _ _ NNP 39928 1193 32 and and CC 39928 1193 33 in in IN 39928 1193 34 the the DT 39928 1193 35 _ _ NNP 39928 1193 36 Fortnightly Fortnightly NNP 39928 1193 37 Review Review NNP 39928 1193 38 _ _ NNP 39928 1193 39 , , , 39928 1193 40 and and CC 39928 1193 41 which which WDT 39928 1193 42 were be VBD 39928 1193 43 either either CC 39928 1193 44 denied deny VBN 39928 1193 45 or or CC 39928 1193 46 declared declare VBN 39928 1193 47 to to TO 39928 1193 48 be be VB 39928 1193 49 unproved unproved JJ 39928 1193 50 by by IN 39928 1193 51 my -PRON- PRP$ 39928 1193 52 astronomical astronomical JJ 39928 1193 53 critics critic NNS 39928 1193 54 , , , 39928 1193 55 have have VBP 39928 1193 56 been be VBN 39928 1193 57 shown show VBN 39928 1193 58 to to TO 39928 1193 59 be be VB 39928 1193 60 supported support VBN 39928 1193 61 by by IN 39928 1193 62 so so RB 39928 1193 63 many many JJ 39928 1193 64 converging converge VBG 39928 1193 65 lines line NNS 39928 1193 66 of of IN 39928 1193 67 evidence evidence NN 39928 1193 68 , , , 39928 1193 69 that that IN 39928 1193 70 it -PRON- PRP 39928 1193 71 is be VBZ 39928 1193 72 no no RB 39928 1193 73 longer long RBR 39928 1193 74 possible possible JJ 39928 1193 75 to to TO 39928 1193 76 deny deny VB 39928 1193 77 that that IN 39928 1193 78 they -PRON- PRP 39928 1193 79 are be VBP 39928 1193 80 , , , 39928 1193 81 at at IN 39928 1193 82 least least JJS 39928 1193 83 provisionally provisionally RB 39928 1193 84 , , , 39928 1193 85 fairly fairly RB 39928 1193 86 well well RB 39928 1193 87 established establish VBN 39928 1193 88 . . . 39928 1194 1 These these DT 39928 1194 2 facts fact NNS 39928 1194 3 are be VBP 39928 1194 4 , , , 39928 1194 5 ( ( -LRB- 39928 1194 6 1 1 LS 39928 1194 7 ) ) -RRB- 39928 1194 8 that that IN 39928 1194 9 the the DT 39928 1194 10 stellar stellar JJ 39928 1194 11 universe universe NN 39928 1194 12 is be VBZ 39928 1194 13 not not RB 39928 1194 14 of of IN 39928 1194 15 infinite infinite JJ 39928 1194 16 extent extent NN 39928 1194 17 ; ; : 39928 1194 18 ( ( -LRB- 39928 1194 19 2 2 LS 39928 1194 20 ) ) -RRB- 39928 1194 21 that that WDT 39928 1194 22 our -PRON- PRP$ 39928 1194 23 sun sun NN 39928 1194 24 is be VBZ 39928 1194 25 situated situate VBN 39928 1194 26 in in IN 39928 1194 27 the the DT 39928 1194 28 central central JJ 39928 1194 29 plane plane NN 39928 1194 30 of of IN 39928 1194 31 the the DT 39928 1194 32 Milky Milky NNP 39928 1194 33 Way Way NNP 39928 1194 34 ; ; : 39928 1194 35 ( ( -LRB- 39928 1194 36 3 3 LS 39928 1194 37 ) ) -RRB- 39928 1194 38 that that IN 39928 1194 39 it -PRON- PRP 39928 1194 40 is be VBZ 39928 1194 41 also also RB 39928 1194 42 situated situate VBN 39928 1194 43 near near RB 39928 1194 44 to to IN 39928 1194 45 the the DT 39928 1194 46 centre centre NN 39928 1194 47 of of IN 39928 1194 48 that that DT 39928 1194 49 plane plane NN 39928 1194 50 ; ; : 39928 1194 51 ( ( -LRB- 39928 1194 52 4 4 LS 39928 1194 53 ) ) -RRB- 39928 1194 54 that that IN 39928 1194 55 we -PRON- PRP 39928 1194 56 are be VBP 39928 1194 57 surrounded surround VBN 39928 1194 58 by by IN 39928 1194 59 a a DT 39928 1194 60 group group NN 39928 1194 61 or or CC 39928 1194 62 cluster cluster NN 39928 1194 63 of of IN 39928 1194 64 stars star NNS 39928 1194 65 of of IN 39928 1194 66 unknown unknown JJ 39928 1194 67 extent extent NN 39928 1194 68 , , , 39928 1194 69 which which WDT 39928 1194 70 occupy occupy VBP 39928 1194 71 a a DT 39928 1194 72 place place NN 39928 1194 73 not not RB 39928 1194 74 far far RB 39928 1194 75 removed remove VBN 39928 1194 76 from from IN 39928 1194 77 the the DT 39928 1194 78 centre centre NN 39928 1194 79 of of IN 39928 1194 80 the the DT 39928 1194 81 galactic galactic JJ 39928 1194 82 plane plane NN 39928 1194 83 , , , 39928 1194 84 and and CC 39928 1194 85 therefore therefore RB 39928 1194 86 , , , 39928 1194 87 near near RB 39928 1194 88 to to IN 39928 1194 89 the the DT 39928 1194 90 centre centre NN 39928 1194 91 of of IN 39928 1194 92 our -PRON- PRP$ 39928 1194 93 universe universe NN 39928 1194 94 of of IN 39928 1194 95 stars star NNS 39928 1194 96 . . . 39928 1195 1 Not not RB 39928 1195 2 only only RB 39928 1195 3 are be VBP 39928 1195 4 these these DT 39928 1195 5 four four CD 39928 1195 6 propositions proposition NNS 39928 1195 7 each each DT 39928 1195 8 supported support VBN 39928 1195 9 by by IN 39928 1195 10 converging converge VBG 39928 1195 11 lines line NNS 39928 1195 12 of of IN 39928 1195 13 evidence evidence NN 39928 1195 14 , , , 39928 1195 15 including include VBG 39928 1195 16 some some DT 39928 1195 17 which which WDT 39928 1195 18 I -PRON- PRP 39928 1195 19 believe believe VBP 39928 1195 20 have have VBP 39928 1195 21 not not RB 39928 1195 22 before before RB 39928 1195 23 been be VBN 39928 1195 24 adduced adduce VBN 39928 1195 25 in in IN 39928 1195 26 their -PRON- PRP$ 39928 1195 27 support support NN 39928 1195 28 , , , 39928 1195 29 but but CC 39928 1195 30 a a DT 39928 1195 31 number number NN 39928 1195 32 of of IN 39928 1195 33 astronomers astronomer NNS 39928 1195 34 , , , 39928 1195 35 admittedly admittedly RB 39928 1195 36 of of IN 39928 1195 37 the the DT 39928 1195 38 first first JJ 39928 1195 39 rank rank NN 39928 1195 40 , , , 39928 1195 41 have have VBP 39928 1195 42 arrived arrive VBN 39928 1195 43 at at IN 39928 1195 44 the the DT 39928 1195 45 same same JJ 39928 1195 46 conclusions conclusion NNS 39928 1195 47 as as IN 39928 1195 48 to to IN 39928 1195 49 the the DT 39928 1195 50 bearing bearing NN 39928 1195 51 of of IN 39928 1195 52 the the DT 39928 1195 53 evidence evidence NN 39928 1195 54 , , , 39928 1195 55 and and CC 39928 1195 56 have have VBP 39928 1195 57 expressed express VBN 39928 1195 58 their -PRON- PRP$ 39928 1195 59 convictions conviction NNS 39928 1195 60 in in IN 39928 1195 61 the the DT 39928 1195 62 clearest clear JJS 39928 1195 63 manner manner NN 39928 1195 64 , , , 39928 1195 65 as as IN 39928 1195 66 quoted quote VBN 39928 1195 67 by by IN 39928 1195 68 me -PRON- PRP 39928 1195 69 . . . 39928 1196 1 It -PRON- PRP 39928 1196 2 is be VBZ 39928 1196 3 _ _ NNP 39928 1196 4 their -PRON- PRP$ 39928 1196 5 _ _ NNP 39928 1196 6 conclusions conclusion NNS 39928 1196 7 which which WDT 39928 1196 8 I -PRON- PRP 39928 1196 9 appeal appeal VBP 39928 1196 10 to to IN 39928 1196 11 and and CC 39928 1196 12 adopt adopt VB 39928 1196 13 ; ; : 39928 1196 14 yet yet CC 39928 1196 15 my -PRON- PRP$ 39928 1196 16 two two CD 39928 1196 17 chief chief JJ 39928 1196 18 astronomical astronomical JJ 39928 1196 19 critics critic NNS 39928 1196 20 positively positively RB 39928 1196 21 deny deny VBP 39928 1196 22 that that IN 39928 1196 23 there there EX 39928 1196 24 is be VBZ 39928 1196 25 any any DT 39928 1196 26 valid valid JJ 39928 1196 27 evidence evidence NN 39928 1196 28 of of IN 39928 1196 29 the the DT 39928 1196 30 finiteness finiteness NN 39928 1196 31 of of IN 39928 1196 32 the the DT 39928 1196 33 stellar stellar JJ 39928 1196 34 universe universe NN 39928 1196 35 , , , 39928 1196 36 which which WDT 39928 1196 37 one one NN 39928 1196 38 of of IN 39928 1196 39 them -PRON- PRP 39928 1196 40 terms term NNS 39928 1196 41 ' ' POS 39928 1196 42 a a DT 39928 1196 43 myth myth NN 39928 1196 44 , , , 39928 1196 45 ' ' '' 39928 1196 46 and and CC 39928 1196 47 he -PRON- PRP 39928 1196 48 even even RB 39928 1196 49 accuses accuse VBZ 39928 1196 50 _ _ IN 39928 1196 51 me -PRON- PRP 39928 1196 52 _ _ NNP 39928 1196 53 of of IN 39928 1196 54 having have VBG 39928 1196 55 started start VBD 39928 1196 56 it -PRON- PRP 39928 1196 57 . . . 39928 1197 1 Both both DT 39928 1197 2 of of IN 39928 1197 3 them -PRON- PRP 39928 1197 4 , , , 39928 1197 5 however however RB 39928 1197 6 , , , 39928 1197 7 agree agree VBP 39928 1197 8 in in IN 39928 1197 9 stating state VBG 39928 1197 10 very very RB 39928 1197 11 strongly strongly RB 39928 1197 12 one one CD 39928 1197 13 objection objection NN 39928 1197 14 to to IN 39928 1197 15 my -PRON- PRP$ 39928 1197 16 main main JJ 39928 1197 17 thesis thesis NN 39928 1197 18 -- -- : 39928 1197 19 that that IN 39928 1197 20 our -PRON- PRP$ 39928 1197 21 central central JJ 39928 1197 22 position position NN 39928 1197 23 ( ( -LRB- 39928 1197 24 not not RB 39928 1197 25 necessarily necessarily RB 39928 1197 26 at at IN 39928 1197 27 the the DT 39928 1197 28 precise precise JJ 39928 1197 29 centre centre NN 39928 1197 30 ) ) -RRB- 39928 1197 31 in in IN 39928 1197 32 the the DT 39928 1197 33 stellar stellar JJ 39928 1197 34 universe universe NN 39928 1197 35 has have VBZ 39928 1197 36 a a DT 39928 1197 37 meaning meaning NN 39928 1197 38 and and CC 39928 1197 39 a a DT 39928 1197 40 purpose purpose NN 39928 1197 41 , , , 39928 1197 42 in in IN 39928 1197 43 connection connection NN 39928 1197 44 with with IN 39928 1197 45 the the DT 39928 1197 46 development development NN 39928 1197 47 of of IN 39928 1197 48 life life NN 39928 1197 49 and and CC 39928 1197 50 of of IN 39928 1197 51 man man NN 39928 1197 52 upon upon IN 39928 1197 53 this this DT 39928 1197 54 earth earth NN 39928 1197 55 , , , 39928 1197 56 and and CC 39928 1197 57 , , , 39928 1197 58 _ _ NNP 39928 1197 59 so so RB 39928 1197 60 far far RB 39928 1197 61 as as IN 39928 1197 62 we -PRON- PRP 39928 1197 63 know know VBP 39928 1197 64 _ _ NNP 39928 1197 65 , , , 39928 1197 66 here here RB 39928 1197 67 only only RB 39928 1197 68 . . . 39928 1198 1 With with IN 39928 1198 2 this this DT 39928 1198 3 one one CD 39928 1198 4 objection objection NN 39928 1198 5 , , , 39928 1198 6 the the DT 39928 1198 7 only only JJ 39928 1198 8 one one CD 39928 1198 9 that that WDT 39928 1198 10 in in IN 39928 1198 11 my -PRON- PRP$ 39928 1198 12 opinion opinion NN 39928 1198 13 has have VBZ 39928 1198 14 the the DT 39928 1198 15 slightest slight JJS 39928 1198 16 weight weight NN 39928 1198 17 , , , 39928 1198 18 I -PRON- PRP 39928 1198 19 will will MD 39928 1198 20 now now RB 39928 1198 21 proceed proceed VB 39928 1198 22 to to TO 39928 1198 23 deal deal VB 39928 1198 24 . . . 39928 1199 1 THE the DT 39928 1199 2 SUN SUN NNP 39928 1199 3 'S 'S NNP 39928 1199 4 MOTION MOTION NNP 39928 1199 5 THROUGH THROUGH VBD 39928 1199 6 SPACE SPACE NNP 39928 1199 7 The the DT 39928 1199 8 two two CD 39928 1199 9 astronomers astronomer NNS 39928 1199 10 who who WP 39928 1199 11 did do VBD 39928 1199 12 me -PRON- PRP 39928 1199 13 the the DT 39928 1199 14 honour honour NN 39928 1199 15 to to TO 39928 1199 16 criticise criticise VB 39928 1199 17 my -PRON- PRP$ 39928 1199 18 original original JJ 39928 1199 19 article article NN 39928 1199 20 laid lay VBD 39928 1199 21 the the DT 39928 1199 22 greatest great JJS 39928 1199 23 stress stress NN 39928 1199 24 on on IN 39928 1199 25 the the DT 39928 1199 26 fact fact NN 39928 1199 27 , , , 39928 1199 28 that that IN 39928 1199 29 even even RB 39928 1199 30 if if IN 39928 1199 31 I -PRON- PRP 39928 1199 32 had have VBD 39928 1199 33 proved prove VBN 39928 1199 34 that that IN 39928 1199 35 the the DT 39928 1199 36 sun sun NN 39928 1199 37 now now RB 39928 1199 38 occupied occupy VBD 39928 1199 39 a a DT 39928 1199 40 nearly nearly RB 39928 1199 41 central central JJ 39928 1199 42 position position NN 39928 1199 43 in in IN 39928 1199 44 the the DT 39928 1199 45 great great JJ 39928 1199 46 star star NN 39928 1199 47 - - HYPH 39928 1199 48 system system NN 39928 1199 49 , , , 39928 1199 50 it -PRON- PRP 39928 1199 51 was be VBD 39928 1199 52 really really RB 39928 1199 53 of of IN 39928 1199 54 no no DT 39928 1199 55 importance importance NN 39928 1199 56 whatever whatever WDT 39928 1199 57 , , , 39928 1199 58 because because IN 39928 1199 59 , , , 39928 1199 60 at at IN 39928 1199 61 the the DT 39928 1199 62 rate rate NN 39928 1199 63 the the DT 39928 1199 64 sun sun NN 39928 1199 65 was be VBD 39928 1199 66 travelling travel VBG 39928 1199 67 , , , 39928 1199 68 ' ' '' 39928 1199 69 five five CD 39928 1199 70 million million CD 39928 1199 71 years year NNS 39928 1199 72 ago ago RB 39928 1199 73 we -PRON- PRP 39928 1199 74 were be VBD 39928 1199 75 deep deep JJ 39928 1199 76 in in IN 39928 1199 77 the the DT 39928 1199 78 actual actual JJ 39928 1199 79 stream stream NN 39928 1199 80 of of IN 39928 1199 81 the the DT 39928 1199 82 Milky Milky NNP 39928 1199 83 Way Way NNP 39928 1199 84 ; ; : 39928 1199 85 five five CD 39928 1199 86 million million CD 39928 1199 87 years year NNS 39928 1199 88 hence hence RB 39928 1199 89 we -PRON- PRP 39928 1199 90 shall shall MD 39928 1199 91 have have VB 39928 1199 92 completely completely RB 39928 1199 93 crossed cross VBN 39928 1199 94 the the DT 39928 1199 95 gulf gulf NN 39928 1199 96 which which WDT 39928 1199 97 it -PRON- PRP 39928 1199 98 encircles encircle VBZ 39928 1199 99 , , , 39928 1199 100 and and CC 39928 1199 101 again again RB 39928 1199 102 be be VB 39928 1199 103 a a DT 39928 1199 104 member member NN 39928 1199 105 of of IN 39928 1199 106 one one CD 39928 1199 107 of of IN 39928 1199 108 its -PRON- PRP$ 39928 1199 109 constituent constituent NN 39928 1199 110 groups group NNS 39928 1199 111 , , , 39928 1199 112 but but CC 39928 1199 113 on on IN 39928 1199 114 the the DT 39928 1199 115 opposite opposite JJ 39928 1199 116 side side NN 39928 1199 117 . . . 39928 1200 1 And and CC 39928 1200 2 ten ten CD 39928 1200 3 million million CD 39928 1200 4 years year NNS 39928 1200 5 are be VBP 39928 1200 6 regarded regard VBN 39928 1200 7 by by IN 39928 1200 8 geologists geologist NNS 39928 1200 9 and and CC 39928 1200 10 biologists biologist NNS 39928 1200 11 as as IN 39928 1200 12 but but CC 39928 1200 13 a a DT 39928 1200 14 trifle trifle NN 39928 1200 15 on on IN 39928 1200 16 account account NN 39928 1200 17 to to TO 39928 1200 18 meet meet VB 39928 1200 19 their -PRON- PRP$ 39928 1200 20 demands demand NNS 39928 1200 21 upon upon IN 39928 1200 22 the the DT 39928 1200 23 bank bank NN 39928 1200 24 of of IN 39928 1200 25 Time Time NNP 39928 1200 26 . . . 39928 1200 27 ' ' '' 39928 1201 1 Thus thus RB 39928 1201 2 speaks speak VBZ 39928 1201 3 one one CD 39928 1201 4 of of IN 39928 1201 5 my -PRON- PRP$ 39928 1201 6 critics critic NNS 39928 1201 7 . . . 39928 1202 1 The the DT 39928 1202 2 other other JJ 39928 1202 3 is be VBZ 39928 1202 4 equally equally RB 39928 1202 5 crushing crush VBG 39928 1202 6 . . . 39928 1203 1 He -PRON- PRP 39928 1203 2 says:--'If says:--'if CD 39928 1203 3 there there EX 39928 1203 4 is be VBZ 39928 1203 5 a a DT 39928 1203 6 centre centre NN 39928 1203 7 to to IN 39928 1203 8 the the DT 39928 1203 9 visible visible JJ 39928 1203 10 universe universe NN 39928 1203 11 , , , 39928 1203 12 and and CC 39928 1203 13 if if IN 39928 1203 14 we -PRON- PRP 39928 1203 15 occupy occupy VBP 39928 1203 16 it -PRON- PRP 39928 1203 17 to to IN 39928 1203 18 - - HYPH 39928 1203 19 day day NN 39928 1203 20 , , , 39928 1203 21 we -PRON- PRP 39928 1203 22 certainly certainly RB 39928 1203 23 did do VBD 39928 1203 24 not not RB 39928 1203 25 do do VB 39928 1203 26 so so RB 39928 1203 27 yesterday yesterday NN 39928 1203 28 , , , 39928 1203 29 and and CC 39928 1203 30 shall shall MD 39928 1203 31 not not RB 39928 1203 32 do do VB 39928 1203 33 so so RB 39928 1203 34 to to IN 39928 1203 35 - - HYPH 39928 1203 36 morrow morrow NNP 39928 1203 37 . . . 39928 1204 1 The the DT 39928 1204 2 Solar Solar NNP 39928 1204 3 System System NNP 39928 1204 4 is be VBZ 39928 1204 5 known know VBN 39928 1204 6 to to TO 39928 1204 7 be be VB 39928 1204 8 moving move VBG 39928 1204 9 among among IN 39928 1204 10 the the DT 39928 1204 11 stars star NNS 39928 1204 12 with with IN 39928 1204 13 a a DT 39928 1204 14 velocity velocity NN 39928 1204 15 which which WDT 39928 1204 16 would would MD 39928 1204 17 carry carry VB 39928 1204 18 us -PRON- PRP 39928 1204 19 to to IN 39928 1204 20 Sirius Sirius NNP 39928 1204 21 within within IN 39928 1204 22 100,000 100,000 CD 39928 1204 23 years year NNS 39928 1204 24 , , , 39928 1204 25 if if IN 39928 1204 26 we -PRON- PRP 39928 1204 27 happened happen VBD 39928 1204 28 to to TO 39928 1204 29 be be VB 39928 1204 30 travelling travel VBG 39928 1204 31 in in IN 39928 1204 32 his -PRON- PRP$ 39928 1204 33 direction direction NN 39928 1204 34 , , , 39928 1204 35 as as IN 39928 1204 36 we -PRON- PRP 39928 1204 37 are be VBP 39928 1204 38 not not RB 39928 1204 39 . . . 39928 1205 1 In in IN 39928 1205 2 the the DT 39928 1205 3 50 50 CD 39928 1205 4 or or CC 39928 1205 5 100 100 CD 39928 1205 6 million million CD 39928 1205 7 years year NNS 39928 1205 8 during during IN 39928 1205 9 which which WDT 39928 1205 10 , , , 39928 1205 11 according accord VBG 39928 1205 12 to to IN 39928 1205 13 geologists geologist NNS 39928 1205 14 , , , 39928 1205 15 this this DT 39928 1205 16 earth earth NN 39928 1205 17 has have VBZ 39928 1205 18 been be VBN 39928 1205 19 a a DT 39928 1205 20 habitable habitable JJ 39928 1205 21 globe globe NN 39928 1205 22 , , , 39928 1205 23 we -PRON- PRP 39928 1205 24 must must MD 39928 1205 25 have have VB 39928 1205 26 passed pass VBN 39928 1205 27 by by IN 39928 1205 28 thousands thousand NNS 39928 1205 29 of of IN 39928 1205 30 stars star NNS 39928 1205 31 on on IN 39928 1205 32 the the DT 39928 1205 33 right right JJ 39928 1205 34 hand hand NN 39928 1205 35 and and CC 39928 1205 36 on on IN 39928 1205 37 the the DT 39928 1205 38 left left NN 39928 1205 39 .... .... . 39928 1206 1 In in IN 39928 1206 2 his -PRON- PRP$ 39928 1206 3 eagerness eagerness NN 39928 1206 4 to to TO 39928 1206 5 limit limit VB 39928 1206 6 the the DT 39928 1206 7 universe universe NN 39928 1206 8 in in IN 39928 1206 9 space space NN 39928 1206 10 , , , 39928 1206 11 Dr. Dr. NNP 39928 1206 12 Wallace Wallace NNP 39928 1206 13 has have VBZ 39928 1206 14 surely surely RB 39928 1206 15 forgotten forget VBN 39928 1206 16 that that IN 39928 1206 17 it -PRON- PRP 39928 1206 18 is be VBZ 39928 1206 19 equally equally RB 39928 1206 20 important important JJ 39928 1206 21 , , , 39928 1206 22 for for IN 39928 1206 23 his -PRON- PRP$ 39928 1206 24 purpose purpose NN 39928 1206 25 , , , 39928 1206 26 to to TO 39928 1206 27 limit limit VB 39928 1206 28 it -PRON- PRP 39928 1206 29 in in IN 39928 1206 30 time time NN 39928 1206 31 ; ; : 39928 1206 32 but but CC 39928 1206 33 incomparably incomparably RB 39928 1206 34 more more RBR 39928 1206 35 difficult difficult JJ 39928 1206 36 in in IN 39928 1206 37 the the DT 39928 1206 38 face face NN 39928 1206 39 of of IN 39928 1206 40 ascertained ascertain VBN 39928 1206 41 facts fact NNS 39928 1206 42 .... .... . 39928 1207 1 Indeed indeed RB 39928 1207 2 , , , 39928 1207 3 so so RB 39928 1207 4 far far RB 39928 1207 5 from from IN 39928 1207 6 our -PRON- PRP$ 39928 1207 7 having have VBG 39928 1207 8 tranquilly tranquilly RB 39928 1207 9 enjoyed enjoy VBN 39928 1207 10 a a DT 39928 1207 11 central central JJ 39928 1207 12 position position NN 39928 1207 13 in in IN 39928 1207 14 unbroken unbroken JJ 39928 1207 15 continuity continuity NN 39928 1207 16 for for IN 39928 1207 17 scores score NNS 39928 1207 18 or or CC 39928 1207 19 perhaps perhaps RB 39928 1207 20 hundreds hundred NNS 39928 1207 21 of of IN 39928 1207 22 millions million NNS 39928 1207 23 of of IN 39928 1207 24 years year NNS 39928 1207 25 , , , 39928 1207 26 we -PRON- PRP 39928 1207 27 should should MD 39928 1207 28 in in IN 39928 1207 29 that that DT 39928 1207 30 time time NN 39928 1207 31 have have VBP 39928 1207 32 traversed traverse VBN 39928 1207 33 the the DT 39928 1207 34 universe universe NN 39928 1207 35 from from IN 39928 1207 36 boundary boundary JJ 39928 1207 37 to to IN 39928 1207 38 boundary boundary JJ 39928 1207 39 . . . 39928 1208 1 ' ' `` 39928 1208 2 [ [ -LRB- 39928 1208 3 8 8 CD 39928 1208 4 ] ] -RRB- 39928 1208 5 Now now RB 39928 1208 6 the the DT 39928 1208 7 average average JJ 39928 1208 8 reader reader NN 39928 1208 9 of of IN 39928 1208 10 these these DT 39928 1208 11 two two CD 39928 1208 12 criticisms criticism NNS 39928 1208 13 , , , 39928 1208 14 taking take VBG 39928 1208 15 account account NN 39928 1208 16 of of IN 39928 1208 17 the the DT 39928 1208 18 high high JJ 39928 1208 19 official official JJ 39928 1208 20 position position NN 39928 1208 21 of of IN 39928 1208 22 both both DT 39928 1208 23 writers writer NNS 39928 1208 24 , , , 39928 1208 25 would would MD 39928 1208 26 accept accept VB 39928 1208 27 their -PRON- PRP$ 39928 1208 28 statements statement NNS 39928 1208 29 of of IN 39928 1208 30 the the DT 39928 1208 31 case case NN 39928 1208 32 as as IN 39928 1208 33 being be VBG 39928 1208 34 demonstrated demonstrate VBN 39928 1208 35 facts fact NNS 39928 1208 36 , , , 39928 1208 37 requiring require VBG 39928 1208 38 no no DT 39928 1208 39 qualification qualification NN 39928 1208 40 whatever whatever WDT 39928 1208 41 , , , 39928 1208 42 and and CC 39928 1208 43 would would MD 39928 1208 44 conclude conclude VB 39928 1208 45 that that IN 39928 1208 46 my -PRON- PRP$ 39928 1208 47 whole whole JJ 39928 1208 48 argument argument NN 39928 1208 49 had have VBD 39928 1208 50 been be VBN 39928 1208 51 thereby thereby RB 39928 1208 52 rendered render VBN 39928 1208 53 worthless worthless JJ 39928 1208 54 , , , 39928 1208 55 and and CC 39928 1208 56 all all DT 39928 1208 57 that that WDT 39928 1208 58 I -PRON- PRP 39928 1208 59 founded found VBD 39928 1208 60 upon upon IN 39928 1208 61 it -PRON- PRP 39928 1208 62 a a DT 39928 1208 63 fantastic fantastic JJ 39928 1208 64 dream dream NN 39928 1208 65 . . . 39928 1209 1 But but CC 39928 1209 2 if if IN 39928 1209 3 , , , 39928 1209 4 on on IN 39928 1209 5 the the DT 39928 1209 6 other other JJ 39928 1209 7 hand hand NN 39928 1209 8 , , , 39928 1209 9 I -PRON- PRP 39928 1209 10 can can MD 39928 1209 11 show show VB 39928 1209 12 that that IN 39928 1209 13 their -PRON- PRP$ 39928 1209 14 stated state VBN 39928 1209 15 facts fact NNS 39928 1209 16 as as IN 39928 1209 17 to to IN 39928 1209 18 the the DT 39928 1209 19 sun sun NN 39928 1209 20 's 's POS 39928 1209 21 motion motion NN 39928 1209 22 are be VBP 39928 1209 23 by by IN 39928 1209 24 no no DT 39928 1209 25 means means NN 39928 1209 26 demonstrated demonstrate VBN 39928 1209 27 , , , 39928 1209 28 because because IN 39928 1209 29 founded found VBN 39928 1209 30 upon upon IN 39928 1209 31 assumptions assumption NNS 39928 1209 32 which which WDT 39928 1209 33 may may MD 39928 1209 34 be be VB 39928 1209 35 quite quite RB 39928 1209 36 erroneous erroneous JJ 39928 1209 37 ; ; : 39928 1209 38 and and CC 39928 1209 39 further far RBR 39928 1209 40 , , , 39928 1209 41 that that IN 39928 1209 42 if if IN 39928 1209 43 the the DT 39928 1209 44 facts fact NNS 39928 1209 45 should should MD 39928 1209 46 turn turn VB 39928 1209 47 out out RP 39928 1209 48 to to TO 39928 1209 49 be be VB 39928 1209 50 substantially substantially RB 39928 1209 51 correct correct JJ 39928 1209 52 , , , 39928 1209 53 they -PRON- PRP 39928 1209 54 have have VBP 39928 1209 55 both both CC 39928 1209 56 omitted omit VBN 39928 1209 57 to to TO 39928 1209 58 state state VB 39928 1209 59 well well RB 39928 1209 60 - - HYPH 39928 1209 61 known know VBN 39928 1209 62 and and CC 39928 1209 63 admitted admit VBN 39928 1209 64 qualifications qualification NNS 39928 1209 65 which which WDT 39928 1209 66 render render VBP 39928 1209 67 the the DT 39928 1209 68 conclusions conclusion NNS 39928 1209 69 they -PRON- PRP 39928 1209 70 derive derive VBP 39928 1209 71 from from IN 39928 1209 72 the the DT 39928 1209 73 facts fact NNS 39928 1209 74 very very RB 39928 1209 75 doubtful doubtful JJ 39928 1209 76 , , , 39928 1209 77 then then RB 39928 1209 78 the the DT 39928 1209 79 average average JJ 39928 1209 80 reader reader NN 39928 1209 81 will will MD 39928 1209 82 learn learn VB 39928 1209 83 the the DT 39928 1209 84 valuable valuable JJ 39928 1209 85 lesson lesson NN 39928 1209 86 that that WDT 39928 1209 87 official official JJ 39928 1209 88 advocacy advocacy NN 39928 1209 89 , , , 39928 1209 90 whether whether IN 39928 1209 91 in in IN 39928 1209 92 medicine medicine NN 39928 1209 93 , , , 39928 1209 94 law law NN 39928 1209 95 , , , 39928 1209 96 or or CC 39928 1209 97 science science NN 39928 1209 98 is be VBZ 39928 1209 99 never never RB 39928 1209 100 to to TO 39928 1209 101 be be VB 39928 1209 102 accepted accept VBN 39928 1209 103 till till IN 39928 1209 104 the the DT 39928 1209 105 other other JJ 39928 1209 106 side side NN 39928 1209 107 of of IN 39928 1209 108 the the DT 39928 1209 109 case case NN 39928 1209 110 has have VBZ 39928 1209 111 been be VBN 39928 1209 112 heard hear VBN 39928 1209 113 . . . 39928 1210 1 Let let VB 39928 1210 2 us -PRON- PRP 39928 1210 3 see see VB 39928 1210 4 , , , 39928 1210 5 therefore therefore RB 39928 1210 6 , , , 39928 1210 7 what what WP 39928 1210 8 the the DT 39928 1210 9 facts fact NNS 39928 1210 10 really really RB 39928 1210 11 are be VBP 39928 1210 12 . . . 39928 1211 1 Professor Professor NNP 39928 1211 2 Simon Simon NNP 39928 1211 3 Newcomb Newcomb NNP 39928 1211 4 calculates calculate VBZ 39928 1211 5 that that IN 39928 1211 6 , , , 39928 1211 7 if if IN 39928 1211 8 there there EX 39928 1211 9 are be VBP 39928 1211 10 one one CD 39928 1211 11 hundred hundred CD 39928 1211 12 million million CD 39928 1211 13 stars star NNS 39928 1211 14 in in IN 39928 1211 15 the the DT 39928 1211 16 stellar stellar JJ 39928 1211 17 universe universe NN 39928 1211 18 each each DT 39928 1211 19 five five CD 39928 1211 20 times time NNS 39928 1211 21 the the DT 39928 1211 22 mass mass NN 39928 1211 23 of of IN 39928 1211 24 our -PRON- PRP$ 39928 1211 25 sun sun NN 39928 1211 26 , , , 39928 1211 27 and and CC 39928 1211 28 spread spread VBD 39928 1211 29 over over IN 39928 1211 30 a a DT 39928 1211 31 space space NN 39928 1211 32 which which WDT 39928 1211 33 light light NN 39928 1211 34 would would MD 39928 1211 35 require require VB 39928 1211 36 thirty thirty CD 39928 1211 37 thousand thousand CD 39928 1211 38 years year NNS 39928 1211 39 to to TO 39928 1211 40 cross cross VB 39928 1211 41 , , , 39928 1211 42 then then RB 39928 1211 43 any any DT 39928 1211 44 mass mass NN 39928 1211 45 traversing traverse VBG 39928 1211 46 such such PDT 39928 1211 47 a a DT 39928 1211 48 system system NN 39928 1211 49 with with IN 39928 1211 50 a a DT 39928 1211 51 velocity velocity NN 39928 1211 52 of of IN 39928 1211 53 more more JJR 39928 1211 54 than than IN 39928 1211 55 twenty twenty CD 39928 1211 56 - - HYPH 39928 1211 57 five five CD 39928 1211 58 miles mile NNS 39928 1211 59 a a DT 39928 1211 60 second second NN 39928 1211 61 , , , 39928 1211 62 would would MD 39928 1211 63 fly fly VB 39928 1211 64 off off RP 39928 1211 65 into into IN 39928 1211 66 infinite infinite JJ 39928 1211 67 space space NN 39928 1211 68 never never RB 39928 1211 69 to to TO 39928 1211 70 return return VB 39928 1211 71 . . . 39928 1212 1 Now now RB 39928 1212 2 as as IN 39928 1212 3 there there EX 39928 1212 4 are be VBP 39928 1212 5 many many JJ 39928 1212 6 stars star NNS 39928 1212 7 which which WDT 39928 1212 8 have have VBP 39928 1212 9 , , , 39928 1212 10 apparently apparently RB 39928 1212 11 , , , 39928 1212 12 very very RB 39928 1212 13 much much RB 39928 1212 14 more more JJR 39928 1212 15 than than IN 39928 1212 16 this this DT 39928 1212 17 velocity velocity NN 39928 1212 18 , , , 39928 1212 19 it -PRON- PRP 39928 1212 20 would would MD 39928 1212 21 follow follow VB 39928 1212 22 that that IN 39928 1212 23 the the DT 39928 1212 24 visible visible JJ 39928 1212 25 universe universe NN 39928 1212 26 is be VBZ 39928 1212 27 unstable unstable JJ 39928 1212 28 . . . 39928 1213 1 It -PRON- PRP 39928 1213 2 also also RB 39928 1213 3 implies imply VBZ 39928 1213 4 that that IN 39928 1213 5 these these DT 39928 1213 6 great great JJ 39928 1213 7 velocities velocity NNS 39928 1213 8 were be VBD 39928 1213 9 not not RB 39928 1213 10 acquired acquire VBN 39928 1213 11 in in IN 39928 1213 12 the the DT 39928 1213 13 system system NN 39928 1213 14 itself -PRON- PRP 39928 1213 15 , , , 39928 1213 16 but but CC 39928 1213 17 that that IN 39928 1213 18 the the DT 39928 1213 19 bodies body NNS 39928 1213 20 which which WDT 39928 1213 21 possess possess VBP 39928 1213 22 them -PRON- PRP 39928 1213 23 must must MD 39928 1213 24 have have VB 39928 1213 25 entered enter VBN 39928 1213 26 it -PRON- PRP 39928 1213 27 from from IN 39928 1213 28 without without IN 39928 1213 29 , , , 39928 1213 30 thus thus RB 39928 1213 31 requiring require VBG 39928 1213 32 other other JJ 39928 1213 33 universes universe NNS 39928 1213 34 as as IN 39928 1213 35 the the DT 39928 1213 36 feeders feeder NNS 39928 1213 37 of of IN 39928 1213 38 our -PRON- PRP$ 39928 1213 39 universe universe NN 39928 1213 40 . . . 39928 1214 1 For for IN 39928 1214 2 the the DT 39928 1214 3 accuracy accuracy NN 39928 1214 4 of of IN 39928 1214 5 the the DT 39928 1214 6 above above JJ 39928 1214 7 statement statement NN 39928 1214 8 the the DT 39928 1214 9 authority authority NN 39928 1214 10 of of IN 39928 1214 11 Professor Professor NNP 39928 1214 12 Newcomb Newcomb NNP 39928 1214 13 is be VBZ 39928 1214 14 an an DT 39928 1214 15 ample ample JJ 39928 1214 16 guarantee guarantee NN 39928 1214 17 ; ; : 39928 1214 18 but but CC 39928 1214 19 there there EX 39928 1214 20 may may MD 39928 1214 21 be be VB 39928 1214 22 modifications modification NNS 39928 1214 23 required require VBN 39928 1214 24 in in IN 39928 1214 25 the the DT 39928 1214 26 data datum NNS 39928 1214 27 on on IN 39928 1214 28 which which WDT 39928 1214 29 it -PRON- PRP 39928 1214 30 is be VBZ 39928 1214 31 founded found VBN 39928 1214 32 , , , 39928 1214 33 and and CC 39928 1214 34 these these DT 39928 1214 35 may may MD 39928 1214 36 greatly greatly RB 39928 1214 37 alter alter VB 39928 1214 38 the the DT 39928 1214 39 result result NN 39928 1214 40 . . . 39928 1215 1 If if IN 39928 1215 2 I -PRON- PRP 39928 1215 3 do do VBP 39928 1215 4 not not RB 39928 1215 5 mistake mistake VB 39928 1215 6 , , , 39928 1215 7 the the DT 39928 1215 8 estimate estimate NN 39928 1215 9 of of IN 39928 1215 10 a a DT 39928 1215 11 hundred hundred CD 39928 1215 12 million million CD 39928 1215 13 stars star NNS 39928 1215 14 is be VBZ 39928 1215 15 founded found VBN 39928 1215 16 on on IN 39928 1215 17 actual actual JJ 39928 1215 18 counts count NNS 39928 1215 19 or or CC 39928 1215 20 estimates estimate NNS 39928 1215 21 of of IN 39928 1215 22 stars star NNS 39928 1215 23 of of IN 39928 1215 24 successive successive JJ 39928 1215 25 magnitudes magnitude NNS 39928 1215 26 in in IN 39928 1215 27 different different JJ 39928 1215 28 parts part NNS 39928 1215 29 of of IN 39928 1215 30 the the DT 39928 1215 31 heavens heavens NNPS 39928 1215 32 , , , 39928 1215 33 and and CC 39928 1215 34 it -PRON- PRP 39928 1215 35 does do VBZ 39928 1215 36 not not RB 39928 1215 37 include include VB 39928 1215 38 either either CC 39928 1215 39 those those DT 39928 1215 40 of of IN 39928 1215 41 the the DT 39928 1215 42 denser denser NNP 39928 1215 43 star star NNP 39928 1215 44 clusters cluster NNS 39928 1215 45 nor nor CC 39928 1215 46 the the DT 39928 1215 47 countless countless JJ 39928 1215 48 millions million NNS 39928 1215 49 just just RB 39928 1215 50 beyond beyond IN 39928 1215 51 the the DT 39928 1215 52 reach reach NN 39928 1215 53 of of IN 39928 1215 54 telescopes telescope NNS 39928 1215 55 in in IN 39928 1215 56 the the DT 39928 1215 57 Milky Milky NNP 39928 1215 58 Way Way NNP 39928 1215 59 . . . 39928 1216 1 Neither neither CC 39928 1216 2 does do VBZ 39928 1216 3 it -PRON- PRP 39928 1216 4 make make VB 39928 1216 5 allowance allowance NN 39928 1216 6 for for IN 39928 1216 7 the the DT 39928 1216 8 dark dark JJ 39928 1216 9 stars star NNS 39928 1216 10 supposed suppose VBN 39928 1216 11 by by IN 39928 1216 12 some some DT 39928 1216 13 astronomers astronomer NNS 39928 1216 14 to to TO 39928 1216 15 be be VB 39928 1216 16 many many JJ 39928 1216 17 times time NNS 39928 1216 18 more more RBR 39928 1216 19 numerous numerous JJ 39928 1216 20 than than IN 39928 1216 21 the the DT 39928 1216 22 bright bright JJ 39928 1216 23 ones one NNS 39928 1216 24 , , , 39928 1216 25 nor nor CC 39928 1216 26 for for IN 39928 1216 27 the the DT 39928 1216 28 vast vast JJ 39928 1216 29 number number NN 39928 1216 30 of of IN 39928 1216 31 the the DT 39928 1216 32 nebulæ nebulæ NN 39928 1216 33 , , , 39928 1216 34 great great JJ 39928 1216 35 and and CC 39928 1216 36 small small JJ 39928 1216 37 , , , 39928 1216 38 in in IN 39928 1216 39 calculating calculate VBG 39928 1216 40 the the DT 39928 1216 41 total total JJ 39928 1216 42 mass mass NN 39928 1216 43 of of IN 39928 1216 44 the the DT 39928 1216 45 stellar stellar JJ 39928 1216 46 system system NN 39928 1216 47 . . . 39928 1217 1 [ [ -LRB- 39928 1217 2 9 9 CD 39928 1217 3 ] ] -RRB- 39928 1217 4 In in IN 39928 1217 5 his -PRON- PRP$ 39928 1217 6 latest late JJS 39928 1217 7 work work NN 39928 1217 8 Professor Professor NNP 39928 1217 9 Newcomb Newcomb NNP 39928 1217 10 says say VBZ 39928 1217 11 , , , 39928 1217 12 ' ' `` 39928 1217 13 The the DT 39928 1217 14 total total JJ 39928 1217 15 number number NN 39928 1217 16 of of IN 39928 1217 17 stars star NNS 39928 1217 18 is be VBZ 39928 1217 19 to to TO 39928 1217 20 be be VB 39928 1217 21 counted count VBN 39928 1217 22 by by IN 39928 1217 23 hundreds hundred NNS 39928 1217 24 of of IN 39928 1217 25 millions million NNS 39928 1217 26 ' ' POS 39928 1217 27 ; ; : 39928 1217 28 and and CC 39928 1217 29 hence hence RB 39928 1217 30 the the DT 39928 1217 31 controlling control VBG 39928 1217 32 power power NN 39928 1217 33 of of IN 39928 1217 34 the the DT 39928 1217 35 system system NN 39928 1217 36 on on IN 39928 1217 37 bodies body NNS 39928 1217 38 within within IN 39928 1217 39 it -PRON- PRP 39928 1217 40 will will MD 39928 1217 41 be be VB 39928 1217 42 many many JJ 39928 1217 43 times time NNS 39928 1217 44 greater great JJR 39928 1217 45 than than IN 39928 1217 46 that that DT 39928 1217 47 given give VBN 39928 1217 48 above above RB 39928 1217 49 , , , 39928 1217 50 and and CC 39928 1217 51 might may MD 39928 1217 52 even even RB 39928 1217 53 be be VB 39928 1217 54 ample ample JJ 39928 1217 55 to to TO 39928 1217 56 retain retain VB 39928 1217 57 within within IN 39928 1217 58 its -PRON- PRP$ 39928 1217 59 bounds bound NNS 39928 1217 60 such such PDT 39928 1217 61 a a DT 39928 1217 62 rapidly rapidly RB 39928 1217 63 moving move VBG 39928 1217 64 star star NN 39928 1217 65 as as IN 39928 1217 66 Arcturus Arcturus NNP 39928 1217 67 , , , 39928 1217 68 which which WDT 39928 1217 69 is be VBZ 39928 1217 70 believed believe VBN 39928 1217 71 to to TO 39928 1217 72 be be VB 39928 1217 73 travelling travel VBG 39928 1217 74 at at IN 39928 1217 75 the the DT 39928 1217 76 rate rate NN 39928 1217 77 of of IN 39928 1217 78 more more JJR 39928 1217 79 than than IN 39928 1217 80 three three CD 39928 1217 81 hundred hundred CD 39928 1217 82 miles mile NNS 39928 1217 83 a a DT 39928 1217 84 second second NN 39928 1217 85 . . . 39928 1218 1 But but CC 39928 1218 2 there there EX 39928 1218 3 is be VBZ 39928 1218 4 another another DT 39928 1218 5 very very RB 39928 1218 6 important important JJ 39928 1218 7 limitation limitation NN 39928 1218 8 to to IN 39928 1218 9 the the DT 39928 1218 10 conclusions conclusion NNS 39928 1218 11 to to TO 39928 1218 12 be be VB 39928 1218 13 drawn draw VBN 39928 1218 14 from from IN 39928 1218 15 Professor Professor NNP 39928 1218 16 Newcomb Newcomb NNP 39928 1218 17 's 's POS 39928 1218 18 calculation calculation NN 39928 1218 19 . . . 39928 1219 1 It -PRON- PRP 39928 1219 2 assumes assume VBZ 39928 1219 3 the the DT 39928 1219 4 stars star NNS 39928 1219 5 to to TO 39928 1219 6 be be VB 39928 1219 7 nearly nearly RB 39928 1219 8 uniformly uniformly RB 39928 1219 9 distributed distribute VBN 39928 1219 10 through through IN 39928 1219 11 the the DT 39928 1219 12 whole whole NN 39928 1219 13 of of IN 39928 1219 14 the the DT 39928 1219 15 space space NN 39928 1219 16 to to TO 39928 1219 17 which which WDT 39928 1219 18 the the DT 39928 1219 19 system system NN 39928 1219 20 extends extend VBZ 39928 1219 21 . . . 39928 1220 1 But but CC 39928 1220 2 the the DT 39928 1220 3 facts fact NNS 39928 1220 4 are be VBP 39928 1220 5 very very RB 39928 1220 6 different different JJ 39928 1220 7 . . . 39928 1221 1 The the DT 39928 1221 2 existence existence NN 39928 1221 3 of of IN 39928 1221 4 clusters cluster NNS 39928 1221 5 , , , 39928 1221 6 some some DT 39928 1221 7 of of IN 39928 1221 8 which which WDT 39928 1221 9 comprise comprise VBP 39928 1221 10 many many JJ 39928 1221 11 thousands thousand NNS 39928 1221 12 of of IN 39928 1221 13 stars star NNS 39928 1221 14 , , , 39928 1221 15 is be VBZ 39928 1221 16 one one CD 39928 1221 17 example example NN 39928 1221 18 of of IN 39928 1221 19 irregularity irregularity NN 39928 1221 20 of of IN 39928 1221 21 distribution distribution NN 39928 1221 22 , , , 39928 1221 23 and and CC 39928 1221 24 any any DT 39928 1221 25 one one CD 39928 1221 26 of of IN 39928 1221 27 these these DT 39928 1221 28 larger large JJR 39928 1221 29 clusters cluster NNS 39928 1221 30 would would MD 39928 1221 31 probably probably RB 39928 1221 32 be be VB 39928 1221 33 able able JJ 39928 1221 34 to to TO 39928 1221 35 change change VB 39928 1221 36 the the DT 39928 1221 37 course course NN 39928 1221 38 of of IN 39928 1221 39 even even RB 39928 1221 40 the the DT 39928 1221 41 swiftest swift JJS 39928 1221 42 stars star NNS 39928 1221 43 passing pass VBG 39928 1221 44 near near IN 39928 1221 45 it -PRON- PRP 39928 1221 46 . . . 39928 1222 1 The the DT 39928 1222 2 larger large JJR 39928 1222 3 nebulæ nebulæ NN 39928 1222 4 might may MD 39928 1222 5 have have VB 39928 1222 6 the the DT 39928 1222 7 same same JJ 39928 1222 8 effect effect NN 39928 1222 9 , , , 39928 1222 10 since since IN 39928 1222 11 the the DT 39928 1222 12 late late JJ 39928 1222 13 Mr. Mr. NNP 39928 1222 14 Ranyard Ranyard NNP 39928 1222 15 , , , 39928 1222 16 taking take VBG 39928 1222 17 all all PDT 39928 1222 18 his -PRON- PRP$ 39928 1222 19 data datum NNS 39928 1222 20 so so IN 39928 1222 21 as as IN 39928 1222 22 to to TO 39928 1222 23 produce produce VB 39928 1222 24 a a DT 39928 1222 25 minimum minimum JJ 39928 1222 26 result result NN 39928 1222 27 , , , 39928 1222 28 calculated calculate VBD 39928 1222 29 the the DT 39928 1222 30 probable probable JJ 39928 1222 31 mass mass NN 39928 1222 32 of of IN 39928 1222 33 the the DT 39928 1222 34 Orion Orion NNP 39928 1222 35 nebula nebula NN 39928 1222 36 to to TO 39928 1222 37 be be VB 39928 1222 38 four four CD 39928 1222 39 and and CC 39928 1222 40 a a DT 39928 1222 41 half half NN 39928 1222 42 million million CD 39928 1222 43 times time NNS 39928 1222 44 that that DT 39928 1222 45 of of IN 39928 1222 46 the the DT 39928 1222 47 sun sun NN 39928 1222 48 , , , 39928 1222 49 and and CC 39928 1222 50 there there EX 39928 1222 51 may may MD 39928 1222 52 be be VB 39928 1222 53 many many JJ 39928 1222 54 other other JJ 39928 1222 55 nebulæ nebulæ NN 39928 1222 56 equally equally RB 39928 1222 57 large large JJ 39928 1222 58 . . . 39928 1223 1 But but CC 39928 1223 2 far far RB 39928 1223 3 more more RBR 39928 1223 4 important important JJ 39928 1223 5 is be VBZ 39928 1223 6 the the DT 39928 1223 7 fact fact NN 39928 1223 8 of of IN 39928 1223 9 the the DT 39928 1223 10 vast vast JJ 39928 1223 11 ring ring NN 39928 1223 12 of of IN 39928 1223 13 the the DT 39928 1223 14 Milky Milky NNP 39928 1223 15 Way Way NNP 39928 1223 16 , , , 39928 1223 17 which which WDT 39928 1223 18 is be VBZ 39928 1223 19 now now RB 39928 1223 20 universally universally RB 39928 1223 21 held hold VBN 39928 1223 22 by by IN 39928 1223 23 astronomers astronomer NNS 39928 1223 24 to to TO 39928 1223 25 be be VB 39928 1223 26 , , , 39928 1223 27 not not RB 39928 1223 28 only only RB 39928 1223 29 apparently apparently RB 39928 1223 30 but but CC 39928 1223 31 really really RB 39928 1223 32 , , , 39928 1223 33 more more RBR 39928 1223 34 densely densely RB 39928 1223 35 crowded crowd VBN 39928 1223 36 with with IN 39928 1223 37 stars star NNS 39928 1223 38 and and CC 39928 1223 39 also also RB 39928 1223 40 with with IN 39928 1223 41 vast vast JJ 39928 1223 42 masses masse NNS 39928 1223 43 of of IN 39928 1223 44 nebulous nebulous JJ 39928 1223 45 matter matter NN 39928 1223 46 than than IN 39928 1223 47 any any DT 39928 1223 48 other other JJ 39928 1223 49 part part NN 39928 1223 50 of of IN 39928 1223 51 the the DT 39928 1223 52 heavens heavens NNPS 39928 1223 53 , , , 39928 1223 54 so so IN 39928 1223 55 that that IN 39928 1223 56 it -PRON- PRP 39928 1223 57 may may MD 39928 1223 58 possibly possibly RB 39928 1223 59 comprise comprise VB 39928 1223 60 within within IN 39928 1223 61 itself -PRON- PRP 39928 1223 62 a a DT 39928 1223 63 very very RB 39928 1223 64 large large JJ 39928 1223 65 proportion proportion NN 39928 1223 66 of of IN 39928 1223 67 the the DT 39928 1223 68 whole whole NN 39928 1223 69 of of IN 39928 1223 70 the the DT 39928 1223 71 matter matter NN 39928 1223 72 of of IN 39928 1223 73 the the DT 39928 1223 74 visible visible JJ 39928 1223 75 universe universe NN 39928 1223 76 . . . 39928 1224 1 This this DT 39928 1224 2 is be VBZ 39928 1224 3 rendered render VBN 39928 1224 4 more more RBR 39928 1224 5 probable probable JJ 39928 1224 6 by by IN 39928 1224 7 the the DT 39928 1224 8 fact fact NN 39928 1224 9 that that IN 39928 1224 10 the the DT 39928 1224 11 great great JJ 39928 1224 12 majority majority NN 39928 1224 13 of of IN 39928 1224 14 star star NN 39928 1224 15 - - HYPH 39928 1224 16 clusters cluster NNS 39928 1224 17 lie lie VBP 39928 1224 18 along along IN 39928 1224 19 its -PRON- PRP$ 39928 1224 20 course course NN 39928 1224 21 , , , 39928 1224 22 most most JJS 39928 1224 23 of of IN 39928 1224 24 the the DT 39928 1224 25 huge huge JJ 39928 1224 26 gaseous gaseous JJ 39928 1224 27 stars star NNS 39928 1224 28 belong belong VBP 39928 1224 29 to to IN 39928 1224 30 it -PRON- PRP 39928 1224 31 , , , 39928 1224 32 while while IN 39928 1224 33 the the DT 39928 1224 34 occurrence occurrence NN 39928 1224 35 there there RB 39928 1224 36 only only RB 39928 1224 37 of of IN 39928 1224 38 ' ' `` 39928 1224 39 new new JJ 39928 1224 40 stars star NNS 39928 1224 41 ' ' POS 39928 1224 42 is be VBZ 39928 1224 43 evidence evidence NN 39928 1224 44 of of IN 39928 1224 45 a a DT 39928 1224 46 superabundance superabundance NN 39928 1224 47 of of IN 39928 1224 48 matter matter NN 39928 1224 49 in in IN 39928 1224 50 various various JJ 39928 1224 51 forms form NNS 39928 1224 52 leading lead VBG 39928 1224 53 to to IN 39928 1224 54 frequent frequent JJ 39928 1224 55 heat heat NN 39928 1224 56 - - HYPH 39928 1224 57 producing produce VBG 39928 1224 58 collisions collision NNS 39928 1224 59 , , , 39928 1224 60 just just RB 39928 1224 61 as as IN 39928 1224 62 the the DT 39928 1224 63 frequent frequent JJ 39928 1224 64 occurrence occurrence NN 39928 1224 65 of of IN 39928 1224 66 meteoric meteoric JJ 39928 1224 67 showers shower NNS 39928 1224 68 on on IN 39928 1224 69 our -PRON- PRP$ 39928 1224 70 earth earth NN 39928 1224 71 is be VBZ 39928 1224 72 evidence evidence NN 39928 1224 73 of of IN 39928 1224 74 the the DT 39928 1224 75 superabundance superabundance NN 39928 1224 76 of of IN 39928 1224 77 meteoric meteoric JJ 39928 1224 78 matter matter NN 39928 1224 79 in in IN 39928 1224 80 the the DT 39928 1224 81 solar solar JJ 39928 1224 82 system system NN 39928 1224 83 . . . 39928 1225 1 It -PRON- PRP 39928 1225 2 is be VBZ 39928 1225 3 recognised recognise VBN 39928 1225 4 by by IN 39928 1225 5 mathematicians mathematician NNS 39928 1225 6 that that IN 39928 1225 7 within within IN 39928 1225 8 any any DT 39928 1225 9 great great JJ 39928 1225 10 system system NN 39928 1225 11 of of IN 39928 1225 12 bodies body NNS 39928 1225 13 subject subject JJ 39928 1225 14 to to IN 39928 1225 15 the the DT 39928 1225 16 law law NN 39928 1225 17 of of IN 39928 1225 18 gravitation gravitation NN 39928 1225 19 there there EX 39928 1225 20 can can MD 39928 1225 21 be be VB 39928 1225 22 no no DT 39928 1225 23 such such JJ 39928 1225 24 thing thing NN 39928 1225 25 as as IN 39928 1225 26 motion motion NN 39928 1225 27 of of IN 39928 1225 28 any any DT 39928 1225 29 of of IN 39928 1225 30 them -PRON- PRP 39928 1225 31 in in IN 39928 1225 32 a a DT 39928 1225 33 straight straight JJ 39928 1225 34 line line NN 39928 1225 35 ; ; : 39928 1225 36 neither neither CC 39928 1225 37 can can MD 39928 1225 38 any any DT 39928 1225 39 amount amount NN 39928 1225 40 of of IN 39928 1225 41 motion motion NN 39928 1225 42 arise arise VB 39928 1225 43 within within IN 39928 1225 44 such such PDT 39928 1225 45 a a DT 39928 1225 46 system system NN 39928 1225 47 through through IN 39928 1225 48 the the DT 39928 1225 49 action action NN 39928 1225 50 of of IN 39928 1225 51 gravitation gravitation NN 39928 1225 52 alone alone RB 39928 1225 53 capable capable JJ 39928 1225 54 of of IN 39928 1225 55 carrying carry VBG 39928 1225 56 any any DT 39928 1225 57 of of IN 39928 1225 58 its -PRON- PRP$ 39928 1225 59 masses masse NNS 39928 1225 60 out out IN 39928 1225 61 of of IN 39928 1225 62 the the DT 39928 1225 63 system system NN 39928 1225 64 . . . 39928 1226 1 The the DT 39928 1226 2 ultimate ultimate JJ 39928 1226 3 tendency tendency NN 39928 1226 4 must must MD 39928 1226 5 be be VB 39928 1226 6 towards towards IN 39928 1226 7 concentration concentration NN 39928 1226 8 rather rather RB 39928 1226 9 than than IN 39928 1226 10 towards towards IN 39928 1226 11 dispersal dispersal NN 39928 1226 12 . . . 39928 1227 1 It -PRON- PRP 39928 1227 2 seems seem VBZ 39928 1227 3 , , , 39928 1227 4 therefore therefore RB 39928 1227 5 , , , 39928 1227 6 only only RB 39928 1227 7 reasonable reasonable JJ 39928 1227 8 to to TO 39928 1227 9 consider consider VB 39928 1227 10 whatever whatever WDT 39928 1227 11 motions motion NNS 39928 1227 12 and and CC 39928 1227 13 whatever whatever WDT 39928 1227 14 velocities velocity NNS 39928 1227 15 we -PRON- PRP 39928 1227 16 find find VBP 39928 1227 17 among among IN 39928 1227 18 the the DT 39928 1227 19 stars star NNS 39928 1227 20 , , , 39928 1227 21 as as IN 39928 1227 22 having have VBG 39928 1227 23 been be VBN 39928 1227 24 produced produce VBN 39928 1227 25 by by IN 39928 1227 26 the the DT 39928 1227 27 gravitative gravitative JJ 39928 1227 28 power power NN 39928 1227 29 of of IN 39928 1227 30 the the DT 39928 1227 31 larger large JJR 39928 1227 32 aggregations aggregation NNS 39928 1227 33 , , , 39928 1227 34 modified modify VBN 39928 1227 35 perhaps perhaps RB 39928 1227 36 by by IN 39928 1227 37 electrical electrical JJ 39928 1227 38 repulsive repulsive JJ 39928 1227 39 forces force NNS 39928 1227 40 , , , 39928 1227 41 by by IN 39928 1227 42 collisions collision NNS 39928 1227 43 , , , 39928 1227 44 and and CC 39928 1227 45 by by IN 39928 1227 46 the the DT 39928 1227 47 results result NNS 39928 1227 48 of of IN 39928 1227 49 those those DT 39928 1227 50 collisions collision NNS 39928 1227 51 ; ; : 39928 1227 52 and and CC 39928 1227 53 we -PRON- PRP 39928 1227 54 may may MD 39928 1227 55 look look VB 39928 1227 56 to to IN 39928 1227 57 the the DT 39928 1227 58 changes change NNS 39928 1227 59 now now RB 39928 1227 60 visibly visibly RB 39928 1227 61 going go VBG 39928 1227 62 on on RP 39928 1227 63 in in IN 39928 1227 64 some some DT 39928 1227 65 of of IN 39928 1227 66 the the DT 39928 1227 67 nebulæ nebulæ NN 39928 1227 68 and and CC 39928 1227 69 clusters cluster NNS 39928 1227 70 as as IN 39928 1227 71 indications indication NNS 39928 1227 72 of of IN 39928 1227 73 the the DT 39928 1227 74 forces force NNS 39928 1227 75 that that WDT 39928 1227 76 have have VBP 39928 1227 77 probably probably RB 39928 1227 78 brought bring VBN 39928 1227 79 about about RP 39928 1227 80 the the DT 39928 1227 81 actual actual JJ 39928 1227 82 condition condition NN 39928 1227 83 of of IN 39928 1227 84 the the DT 39928 1227 85 whole whole JJ 39928 1227 86 stellar stellar JJ 39928 1227 87 universe universe NN 39928 1227 88 . . . 39928 1228 1 If if IN 39928 1228 2 we -PRON- PRP 39928 1228 3 examine examine VBP 39928 1228 4 the the DT 39928 1228 5 beautiful beautiful JJ 39928 1228 6 photographs photograph NNS 39928 1228 7 of of IN 39928 1228 8 nebulæ nebulæ NN 39928 1228 9 by by IN 39928 1228 10 Dr. Dr. NNP 39928 1228 11 Roberts Roberts NNP 39928 1228 12 and and CC 39928 1228 13 other other JJ 39928 1228 14 observers observer NNS 39928 1228 15 , , , 39928 1228 16 we -PRON- PRP 39928 1228 17 find find VBP 39928 1228 18 that that IN 39928 1228 19 they -PRON- PRP 39928 1228 20 are be VBP 39928 1228 21 of of IN 39928 1228 22 many many JJ 39928 1228 23 forms form NNS 39928 1228 24 . . . 39928 1229 1 Some some DT 39928 1229 2 are be VBP 39928 1229 3 extremely extremely RB 39928 1229 4 irregular irregular JJ 39928 1229 5 and and CC 39928 1229 6 almost almost RB 39928 1229 7 like like IN 39928 1229 8 patches patch NNS 39928 1229 9 of of IN 39928 1229 10 cirrus cirrus NNP 39928 1229 11 clouds cloud NNS 39928 1229 12 , , , 39928 1229 13 but but CC 39928 1229 14 a a DT 39928 1229 15 large large JJ 39928 1229 16 number number NN 39928 1229 17 are be VBP 39928 1229 18 either either RB 39928 1229 19 distinctly distinctly RB 39928 1229 20 spiral spiral JJ 39928 1229 21 in in IN 39928 1229 22 form form NN 39928 1229 23 , , , 39928 1229 24 or or CC 39928 1229 25 show show VBP 39928 1229 26 indications indication NNS 39928 1229 27 of of IN 39928 1229 28 becoming become VBG 39928 1229 29 spiral spiral JJ 39928 1229 30 , , , 39928 1229 31 and and CC 39928 1229 32 this this DT 39928 1229 33 has have VBZ 39928 1229 34 been be VBN 39928 1229 35 found find VBN 39928 1229 36 to to TO 39928 1229 37 be be VB 39928 1229 38 the the DT 39928 1229 39 case case NN 39928 1229 40 even even RB 39928 1229 41 with with IN 39928 1229 42 some some DT 39928 1229 43 of of IN 39928 1229 44 the the DT 39928 1229 45 large large JJ 39928 1229 46 irregular irregular JJ 39928 1229 47 nebula nebula NN 39928 1229 48 . . . 39928 1230 1 Then then RB 39928 1230 2 again again RB 39928 1230 3 we -PRON- PRP 39928 1230 4 have have VBP 39928 1230 5 numerous numerous JJ 39928 1230 6 ring ring NN 39928 1230 7 - - HYPH 39928 1230 8 formed form VBN 39928 1230 9 nebulæ nebulæ NN 39928 1230 10 , , , 39928 1230 11 usually usually RB 39928 1230 12 with with IN 39928 1230 13 a a DT 39928 1230 14 star star NN 39928 1230 15 involved involve VBN 39928 1230 16 in in IN 39928 1230 17 dense dense JJ 39928 1230 18 nebulosity nebulosity NN 39928 1230 19 in in IN 39928 1230 20 the the DT 39928 1230 21 centre centre NN 39928 1230 22 , , , 39928 1230 23 separated separate VBN 39928 1230 24 by by IN 39928 1230 25 a a DT 39928 1230 26 dark dark JJ 39928 1230 27 space space NN 39928 1230 28 of of IN 39928 1230 29 various various JJ 39928 1230 30 widths width NNS 39928 1230 31 from from IN 39928 1230 32 the the DT 39928 1230 33 outer outer JJ 39928 1230 34 ring ring NN 39928 1230 35 . . . 39928 1231 1 All all PDT 39928 1231 2 these these DT 39928 1231 3 kinds kind NNS 39928 1231 4 of of IN 39928 1231 5 nebulæ nebulæ NN 39928 1231 6 have have VBP 39928 1231 7 stars star NNS 39928 1231 8 involved involve VBN 39928 1231 9 in in IN 39928 1231 10 them -PRON- PRP 39928 1231 11 , , , 39928 1231 12 and and CC 39928 1231 13 apparently apparently RB 39928 1231 14 forming form VBG 39928 1231 15 part part NN 39928 1231 16 of of IN 39928 1231 17 their -PRON- PRP$ 39928 1231 18 structure structure NN 39928 1231 19 , , , 39928 1231 20 while while IN 39928 1231 21 others other NNS 39928 1231 22 which which WDT 39928 1231 23 do do VBP 39928 1231 24 not not RB 39928 1231 25 differ differ VB 39928 1231 26 in in IN 39928 1231 27 appearance appearance NN 39928 1231 28 from from IN 39928 1231 29 ordinary ordinary JJ 39928 1231 30 stars star NNS 39928 1231 31 are be VBP 39928 1231 32 believed believe VBN 39928 1231 33 by by IN 39928 1231 34 Dr. Dr. NNP 39928 1231 35 Roberts Roberts NNP 39928 1231 36 to to TO 39928 1231 37 lie lie VB 39928 1231 38 between between IN 39928 1231 39 us -PRON- PRP 39928 1231 40 and and CC 39928 1231 41 the the DT 39928 1231 42 nebula nebula NN 39928 1231 43 . . . 39928 1232 1 In in IN 39928 1232 2 the the DT 39928 1232 3 case case NN 39928 1232 4 of of IN 39928 1232 5 many many JJ 39928 1232 6 of of IN 39928 1232 7 the the DT 39928 1232 8 spiral spiral JJ 39928 1232 9 nebulæ nebulæ NN 39928 1232 10 , , , 39928 1232 11 stars star NNS 39928 1232 12 are be VBP 39928 1232 13 often often RB 39928 1232 14 strung string VBN 39928 1232 15 along along IN 39928 1232 16 the the DT 39928 1232 17 coils coil NNS 39928 1232 18 of of IN 39928 1232 19 the the DT 39928 1232 20 spiral spiral NN 39928 1232 21 , , , 39928 1232 22 while while IN 39928 1232 23 other other JJ 39928 1232 24 curved curved JJ 39928 1232 25 lines line NNS 39928 1232 26 of of IN 39928 1232 27 stars star NNS 39928 1232 28 are be VBP 39928 1232 29 seen see VBN 39928 1232 30 just just RB 39928 1232 31 outside outside IN 39928 1232 32 the the DT 39928 1232 33 nebula nebula NN 39928 1232 34 , , , 39928 1232 35 so so IN 39928 1232 36 that that IN 39928 1232 37 it -PRON- PRP 39928 1232 38 is be VBZ 39928 1232 39 impossible impossible JJ 39928 1232 40 to to TO 39928 1232 41 avoid avoid VB 39928 1232 42 the the DT 39928 1232 43 conclusion conclusion NN 39928 1232 44 that that IN 39928 1232 45 both both DT 39928 1232 46 are be VBP 39928 1232 47 really really RB 39928 1232 48 connected connected JJ 39928 1232 49 with with IN 39928 1232 50 it -PRON- PRP 39928 1232 51 , , , 39928 1232 52 the the DT 39928 1232 53 outer outer JJ 39928 1232 54 lines line NNS 39928 1232 55 of of IN 39928 1232 56 stars star NNS 39928 1232 57 indicating indicate VBG 39928 1232 58 a a DT 39928 1232 59 former former JJ 39928 1232 60 greater great JJR 39928 1232 61 extension extension NN 39928 1232 62 of of IN 39928 1232 63 the the DT 39928 1232 64 nebula nebula NN 39928 1232 65 whose whose WP$ 39928 1232 66 material material NN 39928 1232 67 has have VBZ 39928 1232 68 been be VBN 39928 1232 69 used use VBN 39928 1232 70 up up RP 39928 1232 71 in in IN 39928 1232 72 the the DT 39928 1232 73 growth growth NN 39928 1232 74 of of IN 39928 1232 75 these these DT 39928 1232 76 stars star NNS 39928 1232 77 . . . 39928 1233 1 Some some DT 39928 1233 2 of of IN 39928 1233 3 these these DT 39928 1233 4 spiral spiral JJ 39928 1233 5 nebulæ nebulæ NN 39928 1233 6 show show VBP 39928 1233 7 beautifully beautifully RB 39928 1233 8 regular regular JJ 39928 1233 9 convolutions convolution NNS 39928 1233 10 , , , 39928 1233 11 and and CC 39928 1233 12 these these DT 39928 1233 13 usually usually RB 39928 1233 14 have have VBP 39928 1233 15 a a DT 39928 1233 16 large large JJ 39928 1233 17 central central JJ 39928 1233 18 star star NN 39928 1233 19 like like IN 39928 1233 20 mass mass NNP 39928 1233 21 , , , 39928 1233 22 as as IN 39928 1233 23 in in IN 39928 1233 24 M. M. NNP 39928 1233 25 100 100 CD 39928 1233 26 Comæ Comæ NNP 39928 1233 27 and and CC 39928 1233 28 I. I. NNP 39928 1234 1 84 84 CD 39928 1234 2 Comæ comæ RB 39928 1234 3 , , , 39928 1234 4 in in IN 39928 1234 5 Vol Vol NNP 39928 1234 6 . . . 39928 1235 1 II ii CD 39928 1235 2 . . . 39928 1236 1 Pl Pl NNP 39928 1236 2 . . . 39928 1237 1 14 14 CD 39928 1237 2 of of IN 39928 1237 3 Dr. Dr. NNP 39928 1237 4 Roberts Roberts NNP 39928 1237 5 's 's POS 39928 1237 6 photographs photograph NNS 39928 1237 7 . . . 39928 1238 1 The the DT 39928 1238 2 straight straight JJ 39928 1238 3 white white JJ 39928 1238 4 streaks streak NNS 39928 1238 5 across across IN 39928 1238 6 the the DT 39928 1238 7 nebula nebula NN 39928 1238 8 of of IN 39928 1238 9 the the DT 39928 1238 10 Pleiades Pleiades NNPS 39928 1238 11 and and CC 39928 1238 12 some some DT 39928 1238 13 others other NNS 39928 1238 14 are be VBP 39928 1238 15 believed believe VBN 39928 1238 16 by by IN 39928 1238 17 Dr. Dr. NNP 39928 1238 18 Roberts Roberts NNP 39928 1238 19 to to TO 39928 1238 20 be be VB 39928 1238 21 indications indication NNS 39928 1238 22 of of IN 39928 1238 23 spiral spiral JJ 39928 1238 24 nebulæ nebulæ NN 39928 1238 25 seen see VBN 39928 1238 26 edgewise edgewise NN 39928 1238 27 . . . 39928 1239 1 In in IN 39928 1239 2 other other JJ 39928 1239 3 cases case NNS 39928 1239 4 , , , 39928 1239 5 clusters cluster NNS 39928 1239 6 of of IN 39928 1239 7 stars star NNS 39928 1239 8 are be VBP 39928 1239 9 more more RBR 39928 1239 10 or or CC 39928 1239 11 less less RBR 39928 1239 12 nebulous nebulous JJ 39928 1239 13 , , , 39928 1239 14 and and CC 39928 1239 15 the the DT 39928 1239 16 arrangement arrangement NN 39928 1239 17 of of IN 39928 1239 18 the the DT 39928 1239 19 stars star NNS 39928 1239 20 seems seem VBZ 39928 1239 21 to to TO 39928 1239 22 indicate indicate VB 39928 1239 23 their -PRON- PRP$ 39928 1239 24 development development NN 39928 1239 25 from from IN 39928 1239 26 a a DT 39928 1239 27 spiral spiral JJ 39928 1239 28 nebula nebula NN 39928 1239 29 . . . 39928 1240 1 It -PRON- PRP 39928 1240 2 is be VBZ 39928 1240 3 to to TO 39928 1240 4 be be VB 39928 1240 5 noted note VBN 39928 1240 6 that that IN 39928 1240 7 many many JJ 39928 1240 8 of of IN 39928 1240 9 the the DT 39928 1240 10 objects object NNS 39928 1240 11 classed class VBN 39928 1240 12 as as IN 39928 1240 13 planetary planetary NN 39928 1240 14 nebulæ nebulæ NN 39928 1240 15 by by IN 39928 1240 16 Sir Sir NNP 39928 1240 17 John John NNP 39928 1240 18 Herschel Herschel NNP 39928 1240 19 are be VBP 39928 1240 20 shown show VBN 39928 1240 21 by by IN 39928 1240 22 the the DT 39928 1240 23 best good JJS 39928 1240 24 photographs photograph NNS 39928 1240 25 to to TO 39928 1240 26 be be VB 39928 1240 27 really really RB 39928 1240 28 of of IN 39928 1240 29 the the DT 39928 1240 30 ring ring NN 39928 1240 31 - - HYPH 39928 1240 32 type type NN 39928 1240 33 , , , 39928 1240 34 though though RB 39928 1240 35 often often RB 39928 1240 36 with with IN 39928 1240 37 a a DT 39928 1240 38 very very RB 39928 1240 39 narrow narrow JJ 39928 1240 40 division division NN 39928 1240 41 between between IN 39928 1240 42 the the DT 39928 1240 43 ring ring NN 39928 1240 44 and and CC 39928 1240 45 the the DT 39928 1240 46 central central JJ 39928 1240 47 mass mass NN 39928 1240 48 . . . 39928 1241 1 This this DT 39928 1241 2 form form NN 39928 1241 3 may may MD 39928 1241 4 therefore therefore RB 39928 1241 5 be be VB 39928 1241 6 of of IN 39928 1241 7 frequent frequent JJ 39928 1241 8 occurrence occurrence NN 39928 1241 9 . . . 39928 1242 1 But but CC 39928 1242 2 if if IN 39928 1242 3 this this DT 39928 1242 4 annular annular NN 39928 1242 5 form form NN 39928 1242 6 with with IN 39928 1242 7 some some DT 39928 1242 8 kind kind NN 39928 1242 9 of of IN 39928 1242 10 central central JJ 39928 1242 11 nucleus nucleus NN 39928 1242 12 , , , 39928 1242 13 often often RB 39928 1242 14 very very RB 39928 1242 15 large large JJ 39928 1242 16 , , , 39928 1242 17 is be VBZ 39928 1242 18 produced produce VBN 39928 1242 19 under under IN 39928 1242 20 certain certain JJ 39928 1242 21 conditions condition NNS 39928 1242 22 by by IN 39928 1242 23 the the DT 39928 1242 24 action action NN 39928 1242 25 of of IN 39928 1242 26 the the DT 39928 1242 27 ordinary ordinary JJ 39928 1242 28 laws law NNS 39928 1242 29 of of IN 39928 1242 30 motion motion NN 39928 1242 31 upon upon IN 39928 1242 32 more more RBR 39928 1242 33 or or CC 39928 1242 34 less less RBR 39928 1242 35 extensive extensive JJ 39928 1242 36 masses masse NNS 39928 1242 37 of of IN 39928 1242 38 discrete discrete JJ 39928 1242 39 matter matter NN 39928 1242 40 , , , 39928 1242 41 why why WRB 39928 1242 42 may may MD 39928 1242 43 not not RB 39928 1242 44 the the DT 39928 1242 45 same same JJ 39928 1242 46 laws law NNS 39928 1242 47 acting act VBG 39928 1242 48 upon upon IN 39928 1242 49 similar similar JJ 39928 1242 50 matter matter NN 39928 1242 51 once once RB 39928 1242 52 dispersed disperse VBD 39928 1242 53 over over IN 39928 1242 54 the the DT 39928 1242 55 whole whole JJ 39928 1242 56 extent extent NN 39928 1242 57 of of IN 39928 1242 58 the the DT 39928 1242 59 existing exist VBG 39928 1242 60 stellar stellar JJ 39928 1242 61 universe universe NN 39928 1242 62 , , , 39928 1242 63 or or CC 39928 1242 64 even even RB 39928 1242 65 beyond beyond IN 39928 1242 66 what what WP 39928 1242 67 are be VBP 39928 1242 68 now now RB 39928 1242 69 its -PRON- PRP$ 39928 1242 70 farthest farth JJS 39928 1242 71 limits limit NNS 39928 1242 72 , , , 39928 1242 73 have have VBP 39928 1242 74 led lead VBN 39928 1242 75 to to IN 39928 1242 76 the the DT 39928 1242 77 aggregation aggregation NN 39928 1242 78 of of IN 39928 1242 79 the the DT 39928 1242 80 vast vast JJ 39928 1242 81 annular annular JJ 39928 1242 82 formation formation NN 39928 1242 83 of of IN 39928 1242 84 the the DT 39928 1242 85 Milky Milky NNP 39928 1242 86 Way Way NNP 39928 1242 87 , , , 39928 1242 88 with with IN 39928 1242 89 all all PDT 39928 1242 90 the the DT 39928 1242 91 subordinate subordinate JJ 39928 1242 92 centres centre NNS 39928 1242 93 of of IN 39928 1242 94 concentration concentration NN 39928 1242 95 or or CC 39928 1242 96 dispersal dispersal NN 39928 1242 97 to to TO 39928 1242 98 be be VB 39928 1242 99 found find VBN 39928 1242 100 within within IN 39928 1242 101 or or CC 39928 1242 102 around around IN 39928 1242 103 it -PRON- PRP 39928 1242 104 ? ? . 39928 1243 1 And and CC 39928 1243 2 if if IN 39928 1243 3 this this DT 39928 1243 4 is be VBZ 39928 1243 5 a a DT 39928 1243 6 reasonable reasonable JJ 39928 1243 7 conception conception NN 39928 1243 8 , , , 39928 1243 9 may may MD 39928 1243 10 we -PRON- PRP 39928 1243 11 not not RB 39928 1243 12 hope hope VB 39928 1243 13 that that IN 39928 1243 14 by by IN 39928 1243 15 a a DT 39928 1243 16 concentration concentration NN 39928 1243 17 of of IN 39928 1243 18 attention attention NN 39928 1243 19 upon upon IN 39928 1243 20 a a DT 39928 1243 21 few few JJ 39928 1243 22 of of IN 39928 1243 23 the the DT 39928 1243 24 best well RBS 39928 1243 25 marked marked JJ 39928 1243 26 and and CC 39928 1243 27 most most RBS 39928 1243 28 favourably favourably RB 39928 1243 29 situated situate VBN 39928 1243 30 annular annular JJ 39928 1243 31 and and CC 39928 1243 32 spiral spiral JJ 39928 1243 33 systems system NNS 39928 1243 34 , , , 39928 1243 35 sufficient sufficient JJ 39928 1243 36 knowledge knowledge NN 39928 1243 37 of of IN 39928 1243 38 their -PRON- PRP$ 39928 1243 39 internal internal JJ 39928 1243 40 motions motion NNS 39928 1243 41 may may MD 39928 1243 42 be be VB 39928 1243 43 obtained obtain VBN 39928 1243 44 which which WDT 39928 1243 45 may may MD 39928 1243 46 serve serve VB 39928 1243 47 as as IN 39928 1243 48 a a DT 39928 1243 49 guide guide NN 39928 1243 50 to to IN 39928 1243 51 the the DT 39928 1243 52 kind kind NN 39928 1243 53 of of IN 39928 1243 54 motion motion NN 39928 1243 55 we -PRON- PRP 39928 1243 56 may may MD 39928 1243 57 expect expect VB 39928 1243 58 to to TO 39928 1243 59 find find VB 39928 1243 60 in in IN 39928 1243 61 the the DT 39928 1243 62 great great JJ 39928 1243 63 galactic galactic JJ 39928 1243 64 ring ring NN 39928 1243 65 and and CC 39928 1243 66 its -PRON- PRP$ 39928 1243 67 subordinate subordinate JJ 39928 1243 68 stars star NNS 39928 1243 69 ? ? . 39928 1244 1 We -PRON- PRP 39928 1244 2 may may MD 39928 1244 3 then then RB 39928 1244 4 perhaps perhaps RB 39928 1244 5 discover discover VB 39928 1244 6 which which WDT 39928 1244 7 now now RB 39928 1244 8 seem seem VBP 39928 1244 9 so so RB 39928 1244 10 erratic erratic JJ 39928 1244 11 , , , 39928 1244 12 are be VBP 39928 1244 13 really really RB 39928 1244 14 all all DT 39928 1244 15 parts part NNS 39928 1244 16 of of IN 39928 1244 17 a a DT 39928 1244 18 series series NN 39928 1244 19 of of IN 39928 1244 20 orbital orbital JJ 39928 1244 21 movements movement NNS 39928 1244 22 limited limit VBN 39928 1244 23 and and CC 39928 1244 24 controlled control VBN 39928 1244 25 by by IN 39928 1244 26 the the DT 39928 1244 27 forces force NNS 39928 1244 28 of of IN 39928 1244 29 the the DT 39928 1244 30 great great JJ 39928 1244 31 system system NN 39928 1244 32 to to TO 39928 1244 33 which which WDT 39928 1244 34 they -PRON- PRP 39928 1244 35 belong belong VBP 39928 1244 36 , , , 39928 1244 37 so so IN 39928 1244 38 that that IN 39928 1244 39 , , , 39928 1244 40 if if IN 39928 1244 41 not not RB 39928 1244 42 mathematically mathematically RB 39928 1244 43 stable stable JJ 39928 1244 44 , , , 39928 1244 45 they -PRON- PRP 39928 1244 46 may may MD 39928 1244 47 yet yet RB 39928 1244 48 be be VB 39928 1244 49 sufficiently sufficiently RB 39928 1244 50 so so RB 39928 1244 51 to to TO 39928 1244 52 endure endure VB 39928 1244 53 for for IN 39928 1244 54 some some DT 39928 1244 55 thousand thousand CD 39928 1244 56 millions million NNS 39928 1244 57 of of IN 39928 1244 58 years year NNS 39928 1244 59 . . . 39928 1245 1 It -PRON- PRP 39928 1245 2 is be VBZ 39928 1245 3 a a DT 39928 1245 4 suggestive suggestive JJ 39928 1245 5 fact fact NN 39928 1245 6 that that IN 39928 1245 7 the the DT 39928 1245 8 calculated calculated JJ 39928 1245 9 position position NN 39928 1245 10 of of IN 39928 1245 11 the the DT 39928 1245 12 ' ' `` 39928 1245 13 solar solar JJ 39928 1245 14 apex'--the apex'--the DT 39928 1245 15 point point NN 39928 1245 16 towards towards IN 39928 1245 17 which which WDT 39928 1245 18 our -PRON- PRP$ 39928 1245 19 sun sun NN 39928 1245 20 appears appear VBZ 39928 1245 21 to to TO 39928 1245 22 move move VB 39928 1245 23 -- -- : 39928 1245 24 is be VBZ 39928 1245 25 now now RB 39928 1245 26 found find VBN 39928 1245 27 to to TO 39928 1245 28 be be VB 39928 1245 29 much much RB 39928 1245 30 more more RBR 39928 1245 31 nearly nearly RB 39928 1245 32 in in IN 39928 1245 33 the the DT 39928 1245 34 plane plane NN 39928 1245 35 of of IN 39928 1245 36 the the DT 39928 1245 37 Milky Milky NNP 39928 1245 38 Way Way NNP 39928 1245 39 than than IN 39928 1245 40 the the DT 39928 1245 41 position position NN 39928 1245 42 first first RB 39928 1245 43 assigned assign VBN 39928 1245 44 to to IN 39928 1245 45 it -PRON- PRP 39928 1245 46 , , , 39928 1245 47 and and CC 39928 1245 48 Professor Professor NNP 39928 1245 49 Newcomb Newcomb NNP 39928 1245 50 adopts adopt VBZ 39928 1245 51 , , , 39928 1245 52 as as IN 39928 1245 53 most most RBS 39928 1245 54 likely likely JJ 39928 1245 55 to to TO 39928 1245 56 be be VB 39928 1245 57 accurate accurate JJ 39928 1245 58 , , , 39928 1245 59 a a DT 39928 1245 60 point point NN 39928 1245 61 near near IN 39928 1245 62 the the DT 39928 1245 63 bright bright JJ 39928 1245 64 star star NN 39928 1245 65 Vega Vega NNP 39928 1245 66 in in IN 39928 1245 67 the the DT 39928 1245 68 constellation constellation NN 39928 1245 69 Lyra Lyra NNP 39928 1245 70 . . . 39928 1246 1 Other other JJ 39928 1246 2 calculators calculator NNS 39928 1246 3 have have VBP 39928 1246 4 placed place VBN 39928 1246 5 it -PRON- PRP 39928 1246 6 still still RB 39928 1246 7 farther far RBR 39928 1246 8 east east RB 39928 1246 9 , , , 39928 1246 10 while while IN 39928 1246 11 Rancken Rancken NNP 39928 1246 12 and and CC 39928 1246 13 Otto Otto NNP 39928 1246 14 Stumpe Stumpe NNP 39928 1246 15 assign assign VBP 39928 1246 16 it -PRON- PRP 39928 1246 17 a a DT 39928 1246 18 position position NN 39928 1246 19 actually actually RB 39928 1246 20 in in IN 39928 1246 21 the the DT 39928 1246 22 Milky Milky NNP 39928 1246 23 Way Way NNP 39928 1246 24 ; ; : 39928 1246 25 and and CC 39928 1246 26 Mr. Mr. NNP 39928 1246 27 G.C. G.C. NNP 39928 1247 1 Bompas bompa NNS 39928 1247 2 concludes conclude VBZ 39928 1247 3 that that IN 39928 1247 4 the the DT 39928 1247 5 sun sun NN 39928 1247 6 's 's POS 39928 1247 7 plane plane NN 39928 1247 8 of of IN 39928 1247 9 motion motion NN 39928 1247 10 nearly nearly RB 39928 1247 11 coincides coincide VBZ 39928 1247 12 with with IN 39928 1247 13 that that DT 39928 1247 14 of of IN 39928 1247 15 the the DT 39928 1247 16 Galaxy Galaxy NNP 39928 1247 17 . . . 39928 1248 1 M. M. NNP 39928 1248 2 Rancken Rancken NNP 39928 1248 3 found find VBD 39928 1248 4 that that IN 39928 1248 5 106 106 CD 39928 1248 6 stars star NNS 39928 1248 7 near near IN 39928 1248 8 the the DT 39928 1248 9 Milky Milky NNP 39928 1248 10 Way Way NNP 39928 1248 11 showed show VBD 39928 1248 12 , , , 39928 1248 13 in in IN 39928 1248 14 their -PRON- PRP$ 39928 1248 15 very very RB 39928 1248 16 small small JJ 39928 1248 17 proper proper JJ 39928 1248 18 motions motion NNS 39928 1248 19 , , , 39928 1248 20 a a DT 39928 1248 21 drift drift NN 39928 1248 22 along along IN 39928 1248 23 it -PRON- PRP 39928 1248 24 in in IN 39928 1248 25 a a DT 39928 1248 26 direction direction NN 39928 1248 27 from from IN 39928 1248 28 Cassiopeiæ Cassiopeiæ NNP 39928 1248 29 towards towards IN 39928 1248 30 Orion Orion NNP 39928 1248 31 , , , 39928 1248 32 and and CC 39928 1248 33 this this DT 39928 1248 34 , , , 39928 1248 35 it -PRON- PRP 39928 1248 36 is be VBZ 39928 1248 37 supposed suppose VBN 39928 1248 38 , , , 39928 1248 39 may may MD 39928 1248 40 be be VB 39928 1248 41 partly partly RB 39928 1248 42 due due JJ 39928 1248 43 to to IN 39928 1248 44 our -PRON- PRP$ 39928 1248 45 sun sun NN 39928 1248 46 's 's POS 39928 1248 47 motion motion NN 39928 1248 48 in in IN 39928 1248 49 an an DT 39928 1248 50 opposite opposite JJ 39928 1248 51 direction direction NN 39928 1248 52 . . . 39928 1249 1 In in IN 39928 1249 2 many many JJ 39928 1249 3 other other JJ 39928 1249 4 parts part NNS 39928 1249 5 of of IN 39928 1249 6 the the DT 39928 1249 7 heavens heavens NNPS 39928 1249 8 there there EX 39928 1249 9 are be VBP 39928 1249 10 groups group NNS 39928 1249 11 of of IN 39928 1249 12 stars star NNS 39928 1249 13 which which WDT 39928 1249 14 have have VBP 39928 1249 15 almost almost RB 39928 1249 16 identical identical JJ 39928 1249 17 proper proper JJ 39928 1249 18 motions motion NNS 39928 1249 19 -- -- : 39928 1249 20 a a DT 39928 1249 21 phenomenon phenomenon NN 39928 1249 22 which which WDT 39928 1249 23 the the DT 39928 1249 24 late late JJ 39928 1249 25 R.A. R.A. NNP 39928 1249 26 Proctor Proctor NNP 39928 1249 27 termed term VBN 39928 1249 28 ' ' `` 39928 1249 29 star star NN 39928 1249 30 - - HYPH 39928 1249 31 drift drift NNP 39928 1249 32 ' ' '' 39928 1249 33 ; ; : 39928 1249 34 and and CC 39928 1249 35 he -PRON- PRP 39928 1249 36 especially especially RB 39928 1249 37 pointed point VBD 39928 1249 38 out out RP 39928 1249 39 that that IN 39928 1249 40 five five CD 39928 1249 41 of of IN 39928 1249 42 the the DT 39928 1249 43 stars star NNS 39928 1249 44 of of IN 39928 1249 45 the the DT 39928 1249 46 Great Great NNP 39928 1249 47 Bear Bear NNP 39928 1249 48 were be VBD 39928 1249 49 all all RB 39928 1249 50 drifting drift VBG 39928 1249 51 in in IN 39928 1249 52 the the DT 39928 1249 53 same same JJ 39928 1249 54 direction direction NN 39928 1249 55 ; ; : 39928 1249 56 and and CC 39928 1249 57 although although IN 39928 1249 58 this this DT 39928 1249 59 has have VBZ 39928 1249 60 been be VBN 39928 1249 61 denied deny VBN 39928 1249 62 by by IN 39928 1249 63 later later JJ 39928 1249 64 writers writer NNS 39928 1249 65 , , , 39928 1249 66 Professor Professor NNP 39928 1249 67 Newcomb Newcomb NNP 39928 1249 68 , , , 39928 1249 69 in in IN 39928 1249 70 his -PRON- PRP$ 39928 1249 71 recent recent JJ 39928 1249 72 book book NN 39928 1249 73 on on IN 39928 1249 74 _ _ NNP 39928 1249 75 The the DT 39928 1249 76 Stars Stars NNPS 39928 1249 77 _ _ NNP 39928 1249 78 , , , 39928 1249 79 declares declare VBZ 39928 1249 80 that that IN 39928 1249 81 Proctor Proctor NNP 39928 1249 82 was be VBD 39928 1249 83 right right JJ 39928 1249 84 , , , 39928 1249 85 and and CC 39928 1249 86 explains explain VBZ 39928 1249 87 that that IN 39928 1249 88 the the DT 39928 1249 89 error error NN 39928 1249 90 of of IN 39928 1249 91 his -PRON- PRP$ 39928 1249 92 critics critic NNS 39928 1249 93 was be VBD 39928 1249 94 due due JJ 39928 1249 95 to to IN 39928 1249 96 not not RB 39928 1249 97 making make VBG 39928 1249 98 allowance allowance NN 39928 1249 99 for for IN 39928 1249 100 the the DT 39928 1249 101 divergence divergence NN 39928 1249 102 of of IN 39928 1249 103 the the DT 39928 1249 104 circles circle NNS 39928 1249 105 of of IN 39928 1249 106 right right JJ 39928 1249 107 ascension ascension NN 39928 1249 108 . . . 39928 1250 1 The the DT 39928 1250 2 Pleiades Pleiades NNPS 39928 1250 3 are be VBP 39928 1250 4 another another DT 39928 1250 5 group group NN 39928 1250 6 , , , 39928 1250 7 the the DT 39928 1250 8 stars star NNS 39928 1250 9 of of IN 39928 1250 10 which which WDT 39928 1250 11 drift drift NN 39928 1250 12 in in IN 39928 1250 13 the the DT 39928 1250 14 same same JJ 39928 1250 15 direction direction NN 39928 1250 16 , , , 39928 1250 17 and and CC 39928 1250 18 it -PRON- PRP 39928 1250 19 is be VBZ 39928 1250 20 a a DT 39928 1250 21 most most RBS 39928 1250 22 suggestive suggestive JJ 39928 1250 23 fact fact NN 39928 1250 24 that that IN 39928 1250 25 photographs photograph NNS 39928 1250 26 now now RB 39928 1250 27 show show VBP 39928 1250 28 this this DT 39928 1250 29 cluster cluster NN 39928 1250 30 to to TO 39928 1250 31 be be VB 39928 1250 32 embedded embed VBN 39928 1250 33 in in IN 39928 1250 34 a a DT 39928 1250 35 vast vast JJ 39928 1250 36 nebula nebula NN 39928 1250 37 , , , 39928 1250 38 which which WDT 39928 1250 39 , , , 39928 1250 40 therefore therefore RB 39928 1250 41 , , , 39928 1250 42 has have VBZ 39928 1250 43 also also RB 39928 1250 44 a a DT 39928 1250 45 proper proper JJ 39928 1250 46 motion motion NN 39928 1250 47 ; ; : 39928 1250 48 but but CC 39928 1250 49 some some DT 39928 1250 50 of of IN 39928 1250 51 the the DT 39928 1250 52 smaller small JJR 39928 1250 53 stars star NNS 39928 1250 54 do do VBP 39928 1250 55 not not RB 39928 1250 56 partake partake VB 39928 1250 57 of of IN 39928 1250 58 it -PRON- PRP 39928 1250 59 . . . 39928 1251 1 Three three CD 39928 1251 2 stars star NNS 39928 1251 3 in in IN 39928 1251 4 Cassiopeiæ Cassiopeiæ NNS 39928 1251 5 also also RB 39928 1251 6 move move VBP 39928 1251 7 together together RB 39928 1251 8 , , , 39928 1251 9 and and CC 39928 1251 10 no no RB 39928 1251 11 doubt doubt RB 39928 1251 12 many many JJ 39928 1251 13 other other JJ 39928 1251 14 similarly similarly RB 39928 1251 15 connected connected JJ 39928 1251 16 groups group NNS 39928 1251 17 remain remain VBP 39928 1251 18 to to TO 39928 1251 19 be be VB 39928 1251 20 discovered discover VBN 39928 1251 21 . . . 39928 1252 1 These these DT 39928 1252 2 facts fact NNS 39928 1252 3 have have VBP 39928 1252 4 a a DT 39928 1252 5 very very RB 39928 1252 6 important important JJ 39928 1252 7 bearing bearing NN 39928 1252 8 on on IN 39928 1252 9 the the DT 39928 1252 10 question question NN 39928 1252 11 of of IN 39928 1252 12 the the DT 39928 1252 13 motion motion NN 39928 1252 14 of of IN 39928 1252 15 our -PRON- PRP$ 39928 1252 16 sun sun NN 39928 1252 17 in in IN 39928 1252 18 space space NN 39928 1252 19 . . . 39928 1253 1 For for IN 39928 1253 2 this this DT 39928 1253 3 motion motion NN 39928 1253 4 has have VBZ 39928 1253 5 been be VBN 39928 1253 6 determined determine VBN 39928 1253 7 by by IN 39928 1253 8 comparing compare VBG 39928 1253 9 the the DT 39928 1253 10 motions motion NNS 39928 1253 11 of of IN 39928 1253 12 large large JJ 39928 1253 13 numbers number NNS 39928 1253 14 of of IN 39928 1253 15 stars star NNS 39928 1253 16 which which WDT 39928 1253 17 are be VBP 39928 1253 18 assumed assume VBN 39928 1253 19 to to TO 39928 1253 20 be be VB 39928 1253 21 wholly wholly RB 39928 1253 22 independent independent JJ 39928 1253 23 of of IN 39928 1253 24 each each DT 39928 1253 25 other other JJ 39928 1253 26 , , , 39928 1253 27 and and CC 39928 1253 28 to to TO 39928 1253 29 move move VB 39928 1253 30 , , , 39928 1253 31 as as IN 39928 1253 32 it -PRON- PRP 39928 1253 33 were be VBD 39928 1253 34 , , , 39928 1253 35 at at IN 39928 1253 36 random random JJ 39928 1253 37 . . . 39928 1254 1 Miss Miss NNP 39928 1254 2 A.M. A.M. NNP 39928 1254 3 Clerke Clerke NNP 39928 1254 4 , , , 39928 1254 5 in in IN 39928 1254 6 her -PRON- PRP$ 39928 1254 7 _ _ NNP 39928 1254 8 System System NNP 39928 1254 9 of of IN 39928 1254 10 the the DT 39928 1254 11 Stars Stars NNPS 39928 1254 12 _ _ NNP 39928 1254 13 , , , 39928 1254 14 puts put VBZ 39928 1254 15 this this DT 39928 1254 16 point point NN 39928 1254 17 very very RB 39928 1254 18 clearly clearly RB 39928 1254 19 , , , 39928 1254 20 as as IN 39928 1254 21 follows follow VBZ 39928 1254 22 : : : 39928 1254 23 ' ' `` 39928 1254 24 For for IN 39928 1254 25 the the DT 39928 1254 26 assumption assumption NN 39928 1254 27 that that IN 39928 1254 28 the the DT 39928 1254 29 absolute absolute JJ 39928 1254 30 movements movement NNS 39928 1254 31 of of IN 39928 1254 32 the the DT 39928 1254 33 stars star NNS 39928 1254 34 have have VBP 39928 1254 35 no no DT 39928 1254 36 preference preference NN 39928 1254 37 for for IN 39928 1254 38 one one CD 39928 1254 39 direction direction NN 39928 1254 40 over over IN 39928 1254 41 another another DT 39928 1254 42 , , , 39928 1254 43 forms form VBZ 39928 1254 44 the the DT 39928 1254 45 basis basis NN 39928 1254 46 of of IN 39928 1254 47 all all DT 39928 1254 48 investigations investigation NNS 39928 1254 49 hitherto hitherto NNP 39928 1254 50 conducted conduct VBN 39928 1254 51 into into IN 39928 1254 52 the the DT 39928 1254 53 translatory translatory JJ 39928 1254 54 advance advance NN 39928 1254 55 of of IN 39928 1254 56 the the DT 39928 1254 57 solar solar JJ 39928 1254 58 system system NN 39928 1254 59 . . . 39928 1255 1 The the DT 39928 1255 2 little little JJ 39928 1255 3 fabric fabric NN 39928 1255 4 of of IN 39928 1255 5 laboriously laboriously RB 39928 1255 6 acquired acquire VBN 39928 1255 7 knowledge knowledge NN 39928 1255 8 regarding regard VBG 39928 1255 9 it -PRON- PRP 39928 1255 10 at at IN 39928 1255 11 once once RB 39928 1255 12 crumbles crumble NNS 39928 1255 13 if if IN 39928 1255 14 that that DT 39928 1255 15 basis basis NN 39928 1255 16 has have VBZ 39928 1255 17 to to TO 39928 1255 18 be be VB 39928 1255 19 removed remove VBN 39928 1255 20 . . . 39928 1256 1 In in IN 39928 1256 2 all all DT 39928 1256 3 investigations investigation NNS 39928 1256 4 of of IN 39928 1256 5 the the DT 39928 1256 6 sun sun NN 39928 1256 7 's 's POS 39928 1256 8 movement movement NN 39928 1256 9 , , , 39928 1256 10 the the DT 39928 1256 11 movements movement NNS 39928 1256 12 of of IN 39928 1256 13 the the DT 39928 1256 14 stars star NNS 39928 1256 15 have have VBP 39928 1256 16 been be VBN 39928 1256 17 regarded regard VBN 39928 1256 18 as as IN 39928 1256 19 casual casual JJ 39928 1256 20 irregularities irregularity NNS 39928 1256 21 ; ; : 39928 1256 22 should should MD 39928 1256 23 they -PRON- PRP 39928 1256 24 prove prove VB 39928 1256 25 to to TO 39928 1256 26 be be VB 39928 1256 27 in in IN 39928 1256 28 any any DT 39928 1256 29 visible visible JJ 39928 1256 30 degree degree NN 39928 1256 31 systematic systematic JJ 39928 1256 32 , , , 39928 1256 33 the the DT 39928 1256 34 mode mode NN 39928 1256 35 of of IN 39928 1256 36 treatment treatment NN 39928 1256 37 adopted adopt VBN 39928 1256 38 ( ( -LRB- 39928 1256 39 and and CC 39928 1256 40 there there EX 39928 1256 41 is be VBZ 39928 1256 42 no no DT 39928 1256 43 other other JJ 39928 1256 44 at at IN 39928 1256 45 present present JJ 39928 1256 46 open open JJ 39928 1256 47 to to IN 39928 1256 48 us -PRON- PRP 39928 1256 49 ) ) -RRB- 39928 1256 50 becomes become VBZ 39928 1256 51 invalid invalid JJ 39928 1256 52 , , , 39928 1256 53 and and CC 39928 1256 54 its -PRON- PRP$ 39928 1256 55 results result NNS 39928 1256 56 null null NN 39928 1256 57 and and CC 39928 1256 58 void void JJ 39928 1256 59 . . . 39928 1257 1 The the DT 39928 1257 2 point point NN 39928 1257 3 is be VBZ 39928 1257 4 then then RB 39928 1257 5 of of IN 39928 1257 6 singular singular JJ 39928 1257 7 interest interest NN 39928 1257 8 , , , 39928 1257 9 and and CC 39928 1257 10 the the DT 39928 1257 11 evidence evidence NN 39928 1257 12 bearing bear VBG 39928 1257 13 upon upon IN 39928 1257 14 it -PRON- PRP 39928 1257 15 deserves deserve VBZ 39928 1257 16 our -PRON- PRP$ 39928 1257 17 utmost utmost JJ 39928 1257 18 attention attention NN 39928 1257 19 . . . 39928 1257 20 ' ' '' 39928 1258 1 Mr. Mr. NNP 39928 1258 2 W.H.S. W.H.S. NNP 39928 1259 1 Monck Monck NNP 39928 1259 2 , , , 39928 1259 3 a a DT 39928 1259 4 well well RB 39928 1259 5 - - HYPH 39928 1259 6 known know VBN 39928 1259 7 astronomer astronomer NN 39928 1259 8 , , , 39928 1259 9 takes take VBZ 39928 1259 10 the the DT 39928 1259 11 same same JJ 39928 1259 12 view view NN 39928 1259 13 . . . 39928 1260 1 He -PRON- PRP 39928 1260 2 says say VBZ 39928 1260 3 : : : 39928 1260 4 ' ' `` 39928 1260 5 The the DT 39928 1260 6 proof proof NN 39928 1260 7 of of IN 39928 1260 8 this this DT 39928 1260 9 motion motion NN 39928 1260 10 rests rest VBZ 39928 1260 11 on on IN 39928 1260 12 the the DT 39928 1260 13 assumption assumption NN 39928 1260 14 that that IN 39928 1260 15 if if IN 39928 1260 16 we -PRON- PRP 39928 1260 17 take take VBP 39928 1260 18 a a DT 39928 1260 19 sufficient sufficient JJ 39928 1260 20 number number NN 39928 1260 21 of of IN 39928 1260 22 stars star NNS 39928 1260 23 , , , 39928 1260 24 their -PRON- PRP$ 39928 1260 25 real real JJ 39928 1260 26 motions motion NNS 39928 1260 27 in in IN 39928 1260 28 all all DT 39928 1260 29 directions direction NNS 39928 1260 30 will will MD 39928 1260 31 be be VB 39928 1260 32 equal equal JJ 39928 1260 33 , , , 39928 1260 34 and and CC 39928 1260 35 that that IN 39928 1260 36 therefore therefore RB 39928 1260 37 the the DT 39928 1260 38 apparent apparent JJ 39928 1260 39 preponderances preponderance NNS 39928 1260 40 which which WDT 39928 1260 41 we -PRON- PRP 39928 1260 42 observe observe VBP 39928 1260 43 in in IN 39928 1260 44 particular particular JJ 39928 1260 45 directions direction NNS 39928 1260 46 result result VBP 39928 1260 47 from from IN 39928 1260 48 the the DT 39928 1260 49 real real JJ 39928 1260 50 motion motion NN 39928 1260 51 of of IN 39928 1260 52 the the DT 39928 1260 53 sun sun NN 39928 1260 54 . . . 39928 1261 1 But but CC 39928 1261 2 there there EX 39928 1261 3 is be VBZ 39928 1261 4 no no DT 39928 1261 5 impossibility impossibility NN 39928 1261 6 in in IN 39928 1261 7 a a DT 39928 1261 8 systematic systematic JJ 39928 1261 9 motion motion NN 39928 1261 10 of of IN 39928 1261 11 the the DT 39928 1261 12 majority majority NN 39928 1261 13 of of IN 39928 1261 14 the the DT 39928 1261 15 stars star NNS 39928 1261 16 used use VBN 39928 1261 17 in in IN 39928 1261 18 these these DT 39928 1261 19 researches research NNS 39928 1261 20 which which WDT 39928 1261 21 might may MD 39928 1261 22 reconcile reconcile VB 39928 1261 23 the the DT 39928 1261 24 observed observe VBN 39928 1261 25 facts fact NNS 39928 1261 26 with with IN 39928 1261 27 a a DT 39928 1261 28 motionless motionless JJ 39928 1261 29 sun sun NN 39928 1261 30 . . . 39928 1262 1 And and CC 39928 1262 2 , , , 39928 1262 3 in in IN 39928 1262 4 the the DT 39928 1262 5 second second JJ 39928 1262 6 place place NN 39928 1262 7 , , , 39928 1262 8 if if IN 39928 1262 9 the the DT 39928 1262 10 sun sun NN 39928 1262 11 is be VBZ 39928 1262 12 not not RB 39928 1262 13 in in IN 39928 1262 14 the the DT 39928 1262 15 exact exact JJ 39928 1262 16 centre centre NN 39928 1262 17 of of IN 39928 1262 18 gravity gravity NN 39928 1262 19 of of IN 39928 1262 20 the the DT 39928 1262 21 universe universe NN 39928 1262 22 , , , 39928 1262 23 we -PRON- PRP 39928 1262 24 might may MD 39928 1262 25 expect expect VB 39928 1262 26 him -PRON- PRP 39928 1262 27 to to TO 39928 1262 28 be be VB 39928 1262 29 moving move VBG 39928 1262 30 in in IN 39928 1262 31 an an DT 39928 1262 32 orbit orbit NN 39928 1262 33 around around IN 39928 1262 34 this this DT 39928 1262 35 centre centre NN 39928 1262 36 of of IN 39928 1262 37 gravity gravity NN 39928 1262 38 , , , 39928 1262 39 and and CC 39928 1262 40 our -PRON- PRP$ 39928 1262 41 observations observation NNS 39928 1262 42 on on IN 39928 1262 43 his -PRON- PRP$ 39928 1262 44 actual actual JJ 39928 1262 45 motion motion NN 39928 1262 46 are be VBP 39928 1262 47 not not RB 39928 1262 48 sufficiently sufficiently RB 39928 1262 49 numerous numerous JJ 39928 1262 50 or or CC 39928 1262 51 accurate accurate JJ 39928 1262 52 to to TO 39928 1262 53 enable enable VB 39928 1262 54 us -PRON- PRP 39928 1262 55 to to TO 39928 1262 56 affirm affirm VB 39928 1262 57 that that IN 39928 1262 58 he -PRON- PRP 39928 1262 59 is be VBZ 39928 1262 60 moving move VBG 39928 1262 61 in in IN 39928 1262 62 a a DT 39928 1262 63 right right JJ 39928 1262 64 line line NN 39928 1262 65 rather rather RB 39928 1262 66 than than IN 39928 1262 67 such such PDT 39928 1262 68 an an DT 39928 1262 69 orbit orbit NN 39928 1262 70 . . . 39928 1262 71 ' ' '' 39928 1263 1 Now now RB 39928 1263 2 this this DT 39928 1263 3 ' ' `` 39928 1263 4 systematic systematic JJ 39928 1263 5 motion motion NN 39928 1263 6 , , , 39928 1263 7 ' ' '' 39928 1263 8 which which WDT 39928 1263 9 would would MD 39928 1263 10 render render VB 39928 1263 11 all all DT 39928 1263 12 calculations calculation NNS 39928 1263 13 as as IN 39928 1263 14 to to IN 39928 1263 15 the the DT 39928 1263 16 sun sun NN 39928 1263 17 's 's POS 39928 1263 18 motion motion NN 39928 1263 19 inaccurate inaccurate JJ 39928 1263 20 or or CC 39928 1263 21 even even RB 39928 1263 22 altogether altogether RB 39928 1263 23 worthless worthless JJ 39928 1263 24 , , , 39928 1263 25 is be VBZ 39928 1263 26 by by IN 39928 1263 27 many many JJ 39928 1263 28 astronomers astronomer NNS 39928 1263 29 held hold VBN 39928 1263 30 to to TO 39928 1263 31 be be VB 39928 1263 32 an an DT 39928 1263 33 observed observed JJ 39928 1263 34 reality reality NN 39928 1263 35 . . . 39928 1264 1 The the DT 39928 1264 2 star star NN 39928 1264 3 - - HYPH 39928 1264 4 drift drift NN 39928 1264 5 , , , 39928 1264 6 first first RB 39928 1264 7 pointed point VBD 39928 1264 8 out out RP 39928 1264 9 by by IN 39928 1264 10 Proctor proctor NN 39928 1264 11 , , , 39928 1264 12 has have VBZ 39928 1264 13 been be VBN 39928 1264 14 shown show VBN 39928 1264 15 to to TO 39928 1264 16 exist exist VB 39928 1264 17 in in IN 39928 1264 18 many many JJ 39928 1264 19 other other JJ 39928 1264 20 groups group NNS 39928 1264 21 of of IN 39928 1264 22 stars star NNS 39928 1264 23 , , , 39928 1264 24 while while IN 39928 1264 25 the the DT 39928 1264 26 curious curious JJ 39928 1264 27 arrangements arrangement NNS 39928 1264 28 of of IN 39928 1264 29 stars star NNS 39928 1264 30 all all RB 39928 1264 31 over over IN 39928 1264 32 the the DT 39928 1264 33 heavens heavens NNPS 39928 1264 34 in in IN 39928 1264 35 straight straight JJ 39928 1264 36 lines line NNS 39928 1264 37 , , , 39928 1264 38 or or CC 39928 1264 39 regular regular JJ 39928 1264 40 curves curve NNS 39928 1264 41 , , , 39928 1264 42 or or CC 39928 1264 43 spirals spiral NNS 39928 1264 44 , , , 39928 1264 45 strongly strongly RB 39928 1264 46 suggests suggest VBZ 39928 1264 47 a a DT 39928 1264 48 wide wide JJ 39928 1264 49 extension extension NN 39928 1264 50 of of IN 39928 1264 51 the the DT 39928 1264 52 same same JJ 39928 1264 53 kind kind NN 39928 1264 54 of of IN 39928 1264 55 relation relation NN 39928 1264 56 . . . 39928 1265 1 But but CC 39928 1265 2 even even RB 39928 1265 3 more more RBR 39928 1265 4 extensive extensive JJ 39928 1265 5 systematic systematic JJ 39928 1265 6 movements movement NNS 39928 1265 7 have have VBP 39928 1265 8 been be VBN 39928 1265 9 observed observe VBN 39928 1265 10 or or CC 39928 1265 11 suggested suggest VBN 39928 1265 12 by by IN 39928 1265 13 astronomers astronomer NNS 39928 1265 14 . . . 39928 1266 1 Sir Sir NNP 39928 1266 2 D. D. NNP 39928 1266 3 Gill Gill NNP 39928 1266 4 , , , 39928 1266 5 by by IN 39928 1266 6 an an DT 39928 1266 7 extensive extensive JJ 39928 1266 8 research research NN 39928 1266 9 , , , 39928 1266 10 believes believe VBZ 39928 1266 11 that that IN 39928 1266 12 he -PRON- PRP 39928 1266 13 has have VBZ 39928 1266 14 found find VBN 39928 1266 15 indications indication NNS 39928 1266 16 of of IN 39928 1266 17 a a DT 39928 1266 18 rotation rotation NN 39928 1266 19 of of IN 39928 1266 20 the the DT 39928 1266 21 brighter bright JJR 39928 1266 22 fixed fix VBN 39928 1266 23 stars star NNS 39928 1266 24 as as IN 39928 1266 25 a a DT 39928 1266 26 whole whole NN 39928 1266 27 in in IN 39928 1266 28 regard regard NN 39928 1266 29 to to IN 39928 1266 30 the the DT 39928 1266 31 fainter fainter NN 39928 1266 32 fixed fix VBN 39928 1266 33 stars star NNS 39928 1266 34 as as IN 39928 1266 35 a a DT 39928 1266 36 whole whole NN 39928 1266 37 . . . 39928 1267 1 Mr. Mr. NNP 39928 1267 2 Maxwell Maxwell NNP 39928 1267 3 Hall Hall NNP 39928 1267 4 has have VBZ 39928 1267 5 also also RB 39928 1267 6 found find VBN 39928 1267 7 indications indication NNS 39928 1267 8 of of IN 39928 1267 9 a a DT 39928 1267 10 movement movement NN 39928 1267 11 of of IN 39928 1267 12 a a DT 39928 1267 13 large large JJ 39928 1267 14 group group NN 39928 1267 15 of of IN 39928 1267 16 stars star NNS 39928 1267 17 , , , 39928 1267 18 including include VBG 39928 1267 19 our -PRON- PRP$ 39928 1267 20 sun sun NN 39928 1267 21 , , , 39928 1267 22 around around IN 39928 1267 23 a a DT 39928 1267 24 common common JJ 39928 1267 25 centre centre NN 39928 1267 26 , , , 39928 1267 27 situated situate VBN 39928 1267 28 in in IN 39928 1267 29 a a DT 39928 1267 30 direction direction NN 39928 1267 31 towards towards IN 39928 1267 32 Epsilon Epsilon NNP 39928 1267 33 Andromedæ Andromedæ NNP 39928 1267 34 , , , 39928 1267 35 and and CC 39928 1267 36 at at IN 39928 1267 37 a a DT 39928 1267 38 distance distance NN 39928 1267 39 of of IN 39928 1267 40 about about RB 39928 1267 41 490 490 CD 39928 1267 42 years year NNS 39928 1267 43 of of IN 39928 1267 44 light light JJ 39928 1267 45 - - HYPH 39928 1267 46 travel travel NN 39928 1267 47 . . . 39928 1268 1 These these DT 39928 1268 2 last last JJ 39928 1268 3 two two CD 39928 1268 4 motions motion NNS 39928 1268 5 are be VBP 39928 1268 6 not not RB 39928 1268 7 yet yet RB 39928 1268 8 established establish VBN 39928 1268 9 ; ; : 39928 1268 10 but but CC 39928 1268 11 they -PRON- PRP 39928 1268 12 seem seem VBP 39928 1268 13 to to TO 39928 1268 14 prove prove VB 39928 1268 15 two two CD 39928 1268 16 important important JJ 39928 1268 17 facts--(_a facts--(_a NNP 39928 1268 18 _ _ NNP 39928 1268 19 ) ) -RRB- 39928 1268 20 that that IN 39928 1268 21 eminent eminent JJ 39928 1268 22 astronomers astronomer NNS 39928 1268 23 believe believe VBP 39928 1268 24 that that IN 39928 1268 25 _ _ NNP 39928 1268 26 some some DT 39928 1268 27 _ _ NNP 39928 1268 28 systematic systematic JJ 39928 1268 29 motions motion NNS 39928 1268 30 must must MD 39928 1268 31 exist exist VB 39928 1268 32 among among IN 39928 1268 33 the the DT 39928 1268 34 stars star NNS 39928 1268 35 , , , 39928 1268 36 or or CC 39928 1268 37 they -PRON- PRP 39928 1268 38 would would MD 39928 1268 39 not not RB 39928 1268 40 devote devote VB 39928 1268 41 so so RB 39928 1268 42 much much JJ 39928 1268 43 labour labour NN 39928 1268 44 to to IN 39928 1268 45 the the DT 39928 1268 46 search search NN 39928 1268 47 for for IN 39928 1268 48 them -PRON- PRP 39928 1268 49 ; ; : 39928 1268 50 and and CC 39928 1268 51 ( ( -LRB- 39928 1268 52 _ _ NNP 39928 1268 53 b b NNP 39928 1268 54 _ _ NNP 39928 1268 55 ) ) -RRB- 39928 1268 56 that that IN 39928 1268 57 extensive extensive JJ 39928 1268 58 systematic systematic JJ 39928 1268 59 motions motion NNS 39928 1268 60 of of IN 39928 1268 61 some some DT 39928 1268 62 kind kind NN 39928 1268 63 do do VBP 39928 1268 64 exist exist VB 39928 1268 65 , , , 39928 1268 66 or or CC 39928 1268 67 even even RB 39928 1268 68 these these DT 39928 1268 69 results result NNS 39928 1268 70 would would MD 39928 1268 71 not not RB 39928 1268 72 have have VB 39928 1268 73 been be VBN 39928 1268 74 obtained obtain VBN 39928 1268 75 . . . 39928 1269 1 Mr. Mr. NNP 39928 1269 2 W.W. W.W. NNP 39928 1269 3 Campbell Campbell NNP 39928 1269 4 , , , 39928 1269 5 of of IN 39928 1269 6 the the DT 39928 1269 7 Lick Lick NNP 39928 1269 8 Observatory Observatory NNP 39928 1269 9 , , , 39928 1269 10 thus thus RB 39928 1269 11 remarks remark VBZ 39928 1269 12 on on IN 39928 1269 13 the the DT 39928 1269 14 uncertainty uncertainty NN 39928 1269 15 of of IN 39928 1269 16 determinations determination NNS 39928 1269 17 of of IN 39928 1269 18 the the DT 39928 1269 19 sun sun NN 39928 1269 20 's 's POS 39928 1269 21 motions motion NNS 39928 1269 22 : : : 39928 1269 23 ' ' '' 39928 1269 24 The the DT 39928 1269 25 motion motion NN 39928 1269 26 of of IN 39928 1269 27 the the DT 39928 1269 28 solar solar JJ 39928 1269 29 system system NN 39928 1269 30 is be VBZ 39928 1269 31 a a DT 39928 1269 32 purely purely RB 39928 1269 33 relative relative JJ 39928 1269 34 quantity quantity NN 39928 1269 35 . . . 39928 1270 1 It -PRON- PRP 39928 1270 2 refers refer VBZ 39928 1270 3 to to IN 39928 1270 4 specified specified JJ 39928 1270 5 groups group NNS 39928 1270 6 of of IN 39928 1270 7 stars star NNS 39928 1270 8 . . . 39928 1271 1 The the DT 39928 1271 2 results result NNS 39928 1271 3 for for IN 39928 1271 4 various various JJ 39928 1271 5 groups group NNS 39928 1271 6 may may MD 39928 1271 7 differ differ VB 39928 1271 8 widely widely RB 39928 1271 9 , , , 39928 1271 10 and and CC 39928 1271 11 all all DT 39928 1271 12 be be VB 39928 1271 13 correct correct JJ 39928 1271 14 . . . 39928 1272 1 It -PRON- PRP 39928 1272 2 would would MD 39928 1272 3 be be VB 39928 1272 4 easy easy JJ 39928 1272 5 to to TO 39928 1272 6 select select VB 39928 1272 7 a a DT 39928 1272 8 group group NN 39928 1272 9 of of IN 39928 1272 10 stars star NNS 39928 1272 11 with with IN 39928 1272 12 reference reference NN 39928 1272 13 to to TO 39928 1272 14 which which WDT 39928 1272 15 the the DT 39928 1272 16 solar solar JJ 39928 1272 17 motion motion NN 39928 1272 18 would would MD 39928 1272 19 be be VB 39928 1272 20 reversed reverse VBN 39928 1272 21 180 180 CD 39928 1272 22 ° ° NNS 39928 1272 23 from from IN 39928 1272 24 the the DT 39928 1272 25 values value NNS 39928 1272 26 assigned assign VBN 39928 1272 27 above above RB 39928 1272 28 ' ' '' 39928 1272 29 ( ( -LRB- 39928 1272 30 _ _ NNP 39928 1272 31 Astrophysical Astrophysical NNP 39928 1272 32 Journal Journal NNP 39928 1272 33 _ _ NNP 39928 1272 34 , , , 39928 1272 35 vol vol NNP 39928 1272 36 . . . 39928 1273 1 xiii xiii NNP 39928 1273 2 . . . 39928 1274 1 p. p. NN 39928 1274 2 87 87 CD 39928 1274 3 . . . 39928 1275 1 1901 1901 CD 39928 1275 2 ) ) -RRB- 39928 1275 3 . . . 39928 1276 1 It -PRON- PRP 39928 1276 2 must must MD 39928 1276 3 be be VB 39928 1276 4 remembered remember VBN 39928 1276 5 that that IN 39928 1276 6 , , , 39928 1276 7 within within IN 39928 1276 8 a a DT 39928 1276 9 uniform uniform JJ 39928 1276 10 cluster cluster NN 39928 1276 11 of of IN 39928 1276 12 stars star NNS 39928 1276 13 , , , 39928 1276 14 each each DT 39928 1276 15 moving move VBG 39928 1276 16 round round IN 39928 1276 17 the the DT 39928 1276 18 common common JJ 39928 1276 19 centre centre NN 39928 1276 20 of of IN 39928 1276 21 gravity gravity NN 39928 1276 22 of of IN 39928 1276 23 the the DT 39928 1276 24 whole whole JJ 39928 1276 25 cluster cluster NN 39928 1276 26 , , , 39928 1276 27 Kepler Kepler NNP 39928 1276 28 's 's POS 39928 1276 29 laws law NNS 39928 1276 30 do do VBP 39928 1276 31 not not RB 39928 1276 32 prevail prevail VB 39928 1276 33 , , , 39928 1276 34 the the DT 39928 1276 35 law law NN 39928 1276 36 being be VBG 39928 1276 37 that that IN 39928 1276 38 the the DT 39928 1276 39 angular angular JJ 39928 1276 40 velocities velocity NNS 39928 1276 41 are be VBP 39928 1276 42 all all RB 39928 1276 43 identical identical JJ 39928 1276 44 , , , 39928 1276 45 so so IN 39928 1276 46 that that IN 39928 1276 47 the the DT 39928 1276 48 more more RBR 39928 1276 49 distant distant JJ 39928 1276 50 stars star NNS 39928 1276 51 move move VBP 39928 1276 52 faster fast RBR 39928 1276 53 than than IN 39928 1276 54 those those DT 39928 1276 55 nearer near JJR 39928 1276 56 the the DT 39928 1276 57 centre centre NN 39928 1276 58 , , , 39928 1276 59 subject subject JJ 39928 1276 60 to to IN 39928 1276 61 modifications modification NNS 39928 1276 62 , , , 39928 1276 63 however however RB 39928 1276 64 , , , 39928 1276 65 due due IN 39928 1276 66 to to IN 39928 1276 67 the the DT 39928 1276 68 varying varying NN 39928 1276 69 density density NN 39928 1276 70 of of IN 39928 1276 71 the the DT 39928 1276 72 cluster cluster NN 39928 1276 73 . . . 39928 1277 1 But but CC 39928 1277 2 if if IN 39928 1277 3 the the DT 39928 1277 4 cluster cluster NN 39928 1277 5 is be VBZ 39928 1277 6 nearly nearly RB 39928 1277 7 globular globular JJ 39928 1277 8 , , , 39928 1277 9 there there EX 39928 1277 10 must must MD 39928 1277 11 be be VB 39928 1277 12 stars star NNS 39928 1277 13 moving move VBG 39928 1277 14 round round IN 39928 1277 15 the the DT 39928 1277 16 centre centre NN 39928 1277 17 in in IN 39928 1277 18 every every DT 39928 1277 19 plane plane NN 39928 1277 20 , , , 39928 1277 21 and and CC 39928 1277 22 this this DT 39928 1277 23 would would MD 39928 1277 24 lead lead VB 39928 1277 25 to to IN 39928 1277 26 apparent apparent JJ 39928 1277 27 motions motion NNS 39928 1277 28 in in IN 39928 1277 29 many many JJ 39928 1277 30 directions direction NNS 39928 1277 31 as as IN 39928 1277 32 viewed view VBN 39928 1277 33 by by IN 39928 1277 34 us -PRON- PRP 39928 1277 35 , , , 39928 1277 36 although although IN 39928 1277 37 those those DT 39928 1277 38 which which WDT 39928 1277 39 were be VBD 39928 1277 40 moving move VBG 39928 1277 41 in in IN 39928 1277 42 the the DT 39928 1277 43 same same JJ 39928 1277 44 plane plane NN 39928 1277 45 as as IN 39928 1277 46 ourselves -PRON- PRP 39928 1277 47 would would MD 39928 1277 48 , , , 39928 1277 49 when when WRB 39928 1277 50 compared compare VBN 39928 1277 51 with with IN 39928 1277 52 remote remote JJ 39928 1277 53 stars star NNS 39928 1277 54 outside outside IN 39928 1277 55 the the DT 39928 1277 56 cluster cluster NN 39928 1277 57 , , , 39928 1277 58 appear appear VB 39928 1277 59 to to TO 39928 1277 60 be be VB 39928 1277 61 all all DT 39928 1277 62 moving move VBG 39928 1277 63 in in IN 39928 1277 64 the the DT 39928 1277 65 same same JJ 39928 1277 66 direction direction NN 39928 1277 67 and and CC 39928 1277 68 at at IN 39928 1277 69 the the DT 39928 1277 70 same same JJ 39928 1277 71 rate rate NN 39928 1277 72 , , , 39928 1277 73 forming form VBG 39928 1277 74 , , , 39928 1277 75 in in IN 39928 1277 76 fact fact NN 39928 1277 77 , , , 39928 1277 78 one one CD 39928 1277 79 of of IN 39928 1277 80 those those DT 39928 1277 81 drifting drifting JJ 39928 1277 82 systems system NNS 39928 1277 83 of of IN 39928 1277 84 stars star NNS 39928 1277 85 already already RB 39928 1277 86 referred refer VBD 39928 1277 87 to to IN 39928 1277 88 . . . 39928 1278 1 Again again RB 39928 1278 2 , , , 39928 1278 3 if if IN 39928 1278 4 in in IN 39928 1278 5 the the DT 39928 1278 6 process process NN 39928 1278 7 of of IN 39928 1278 8 formation formation NN 39928 1278 9 of of IN 39928 1278 10 our -PRON- PRP$ 39928 1278 11 cluster cluster NN 39928 1278 12 , , , 39928 1278 13 smaller small JJR 39928 1278 14 aggregations aggregation NNS 39928 1278 15 already already RB 39928 1278 16 having have VBG 39928 1278 17 a a DT 39928 1278 18 rotatory rotatory JJ 39928 1278 19 motion motion NN 39928 1278 20 were be VBD 39928 1278 21 drawn draw VBN 39928 1278 22 into into IN 39928 1278 23 it -PRON- PRP 39928 1278 24 , , , 39928 1278 25 this this DT 39928 1278 26 might may MD 39928 1278 27 lead lead VB 39928 1278 28 to to IN 39928 1278 29 their -PRON- PRP$ 39928 1278 30 revolving revolving NN 39928 1278 31 in in IN 39928 1278 32 an an DT 39928 1278 33 opposite opposite JJ 39928 1278 34 direction direction NN 39928 1278 35 to to IN 39928 1278 36 those those DT 39928 1278 37 which which WDT 39928 1278 38 were be VBD 39928 1278 39 formed form VBN 39928 1278 40 from from IN 39928 1278 41 the the DT 39928 1278 42 original original JJ 39928 1278 43 nebula nebula NN 39928 1278 44 , , , 39928 1278 45 thus thus RB 39928 1278 46 increasing increase VBG 39928 1278 47 the the DT 39928 1278 48 diversities diversity NNS 39928 1278 49 of of IN 39928 1278 50 apparent apparent JJ 39928 1278 51 motion motion NN 39928 1278 52 . . . 39928 1279 1 The the DT 39928 1279 2 evidence evidence NN 39928 1279 3 now now RB 39928 1279 4 briefly briefly RB 39928 1279 5 set set VBD 39928 1279 6 forth forth RP 39928 1279 7 fully fully RB 39928 1279 8 justifies justifie NNS 39928 1279 9 , , , 39928 1279 10 I -PRON- PRP 39928 1279 11 submit submit VBP 39928 1279 12 , , , 39928 1279 13 the the DT 39928 1279 14 remarks remark NNS 39928 1279 15 as as IN 39928 1279 16 to to IN 39928 1279 17 the the DT 39928 1279 18 statements statement NNS 39928 1279 19 of of IN 39928 1279 20 my -PRON- PRP$ 39928 1279 21 astronomical astronomical JJ 39928 1279 22 critics critic NNS 39928 1279 23 at at IN 39928 1279 24 the the DT 39928 1279 25 beginning beginning NN 39928 1279 26 of of IN 39928 1279 27 this this DT 39928 1279 28 section section NN 39928 1279 29 . . . 39928 1280 1 They -PRON- PRP 39928 1280 2 have have VBP 39928 1280 3 both both DT 39928 1280 4 given give VBN 39928 1280 5 the the DT 39928 1280 6 accepted accepted JJ 39928 1280 7 views view NNS 39928 1280 8 as as IN 39928 1280 9 to to IN 39928 1280 10 direction direction NN 39928 1280 11 and and CC 39928 1280 12 rate rate NN 39928 1280 13 of of IN 39928 1280 14 movement movement NN 39928 1280 15 of of IN 39928 1280 16 our -PRON- PRP$ 39928 1280 17 sun sun NN 39928 1280 18 without without IN 39928 1280 19 any any DT 39928 1280 20 qualification qualification NN 39928 1280 21 whatever whatever WDT 39928 1280 22 , , , 39928 1280 23 as as IN 39928 1280 24 if if IN 39928 1280 25 they -PRON- PRP 39928 1280 26 were be VBD 39928 1280 27 astronomical astronomical JJ 39928 1280 28 facts fact NNS 39928 1280 29 of of IN 39928 1280 30 the the DT 39928 1280 31 same same JJ 39928 1280 32 certainty certainty NN 39928 1280 33 and and CC 39928 1280 34 the the DT 39928 1280 35 same same JJ 39928 1280 36 degree degree NN 39928 1280 37 of of IN 39928 1280 38 accuracy accuracy NN 39928 1280 39 as as IN 39928 1280 40 the the DT 39928 1280 41 sun sun NN 39928 1280 42 's 's POS 39928 1280 43 distance distance NN 39928 1280 44 from from IN 39928 1280 45 the the DT 39928 1280 46 earth earth NN 39928 1280 47 ; ; : 39928 1280 48 and and CC 39928 1280 49 they -PRON- PRP 39928 1280 50 will will MD 39928 1280 51 assuredly assuredly RB 39928 1280 52 have have VB 39928 1280 53 been be VBN 39928 1280 54 so so RB 39928 1280 55 understood understand VBN 39928 1280 56 by by IN 39928 1280 57 the the DT 39928 1280 58 great great JJ 39928 1280 59 body body NN 39928 1280 60 of of IN 39928 1280 61 non non JJ 39928 1280 62 - - JJ 39928 1280 63 mathematical mathematical JJ 39928 1280 64 readers reader NNS 39928 1280 65 . . . 39928 1281 1 It -PRON- PRP 39928 1281 2 appears appear VBZ 39928 1281 3 , , , 39928 1281 4 however however RB 39928 1281 5 , , , 39928 1281 6 if if IN 39928 1281 7 the the DT 39928 1281 8 authorities authority NNS 39928 1281 9 I -PRON- PRP 39928 1281 10 have have VBP 39928 1281 11 quoted quote VBN 39928 1281 12 are be VBP 39928 1281 13 right right JJ 39928 1281 14 , , , 39928 1281 15 that that IN 39928 1281 16 the the DT 39928 1281 17 whole whole JJ 39928 1281 18 calculation calculation NN 39928 1281 19 rests rest VBZ 39928 1281 20 upon upon IN 39928 1281 21 certain certain JJ 39928 1281 22 assumptions assumption NNS 39928 1281 23 , , , 39928 1281 24 which which WDT 39928 1281 25 are be VBP 39928 1281 26 certainly certainly RB 39928 1281 27 to to IN 39928 1281 28 some some DT 39928 1281 29 extent extent NN 39928 1281 30 , , , 39928 1281 31 and and CC 39928 1281 32 may may MD 39928 1281 33 be be VB 39928 1281 34 to to IN 39928 1281 35 a a DT 39928 1281 36 very very RB 39928 1281 37 large large JJ 39928 1281 38 extent extent NN 39928 1281 39 , , , 39928 1281 40 erroneous erroneous JJ 39928 1281 41 . . . 39928 1282 1 This this DT 39928 1282 2 is be VBZ 39928 1282 3 my -PRON- PRP$ 39928 1282 4 reply reply NN 39928 1282 5 to to IN 39928 1282 6 one one CD 39928 1282 7 part part NN 39928 1282 8 of of IN 39928 1282 9 their -PRON- PRP$ 39928 1282 10 criticism criticism NN 39928 1282 11 . . . 39928 1283 1 In in IN 39928 1283 2 the the DT 39928 1283 3 next next JJ 39928 1283 4 place place NN 39928 1283 5 , , , 39928 1283 6 they -PRON- PRP 39928 1283 7 both both DT 39928 1283 8 assert assert VBP 39928 1283 9 , , , 39928 1283 10 or or CC 39928 1283 11 imply imply VB 39928 1283 12 , , , 39928 1283 13 not not RB 39928 1283 14 only only RB 39928 1283 15 that that IN 39928 1283 16 the the DT 39928 1283 17 sun sun NN 39928 1283 18 's 's POS 39928 1283 19 motion motion NN 39928 1283 20 is be VBZ 39928 1283 21 now now RB 39928 1283 22 in in IN 39928 1283 23 a a DT 39928 1283 24 straight straight JJ 39928 1283 25 line line NN 39928 1283 26 , , , 39928 1283 27 but but CC 39928 1283 28 that that IN 39928 1283 29 it -PRON- PRP 39928 1283 30 has have VBZ 39928 1283 31 been be VBN 39928 1283 32 in in IN 39928 1283 33 a a DT 39928 1283 34 straight straight JJ 39928 1283 35 line line NN 39928 1283 36 from from IN 39928 1283 37 some some DT 39928 1283 38 enormously enormously RB 39928 1283 39 remote remote JJ 39928 1283 40 period period NN 39928 1283 41 when when WRB 39928 1283 42 it -PRON- PRP 39928 1283 43 first first RB 39928 1283 44 entered enter VBD 39928 1283 45 the the DT 39928 1283 46 stellar stellar JJ 39928 1283 47 system system NN 39928 1283 48 on on IN 39928 1283 49 one one CD 39928 1283 50 side side NN 39928 1283 51 , , , 39928 1283 52 and and CC 39928 1283 53 will will MD 39928 1283 54 so so RB 39928 1283 55 continue continue VB 39928 1283 56 to to TO 39928 1283 57 move move VB 39928 1283 58 till till IN 39928 1283 59 it -PRON- PRP 39928 1283 60 reaches reach VBZ 39928 1283 61 the the DT 39928 1283 62 utmost utmost JJ 39928 1283 63 bounds bound NNS 39928 1283 64 of of IN 39928 1283 65 that that DT 39928 1283 66 system system NN 39928 1283 67 on on IN 39928 1283 68 the the DT 39928 1283 69 other other JJ 39928 1283 70 side side NN 39928 1283 71 . . . 39928 1284 1 And and CC 39928 1284 2 this this DT 39928 1284 3 is be VBZ 39928 1284 4 stated state VBN 39928 1284 5 by by IN 39928 1284 6 them -PRON- PRP 39928 1284 7 both both DT 39928 1284 8 , , , 39928 1284 9 not not RB 39928 1284 10 as as IN 39928 1284 11 a a DT 39928 1284 12 possibility possibility NN 39928 1284 13 , , , 39928 1284 14 but but CC 39928 1284 15 as as IN 39928 1284 16 a a DT 39928 1284 17 certainty certainty NN 39928 1284 18 . . . 39928 1285 1 They -PRON- PRP 39928 1285 2 use use VBP 39928 1285 3 such such JJ 39928 1285 4 terms term NNS 39928 1285 5 as as IN 39928 1285 6 ' ' `` 39928 1285 7 must must MD 39928 1285 8 ' ' '' 39928 1285 9 and and CC 39928 1285 10 ' ' `` 39928 1285 11 will will MD 39928 1285 12 be be VB 39928 1285 13 , , , 39928 1285 14 ' ' '' 39928 1285 15 leaving leave VBG 39928 1285 16 no no DT 39928 1285 17 room room NN 39928 1285 18 for for IN 39928 1285 19 any any DT 39928 1285 20 doubt doubt NN 39928 1285 21 whatever whatever WDT 39928 1285 22 . . . 39928 1286 1 But but CC 39928 1286 2 such such PDT 39928 1286 3 a a DT 39928 1286 4 result result NN 39928 1286 5 implies imply VBZ 39928 1286 6 the the DT 39928 1286 7 abrogation abrogation NN 39928 1286 8 of of IN 39928 1286 9 the the DT 39928 1286 10 law law NN 39928 1286 11 of of IN 39928 1286 12 gravitation gravitation NN 39928 1286 13 , , , 39928 1286 14 since since IN 39928 1286 15 under under IN 39928 1286 16 its -PRON- PRP$ 39928 1286 17 action action NN 39928 1286 18 motion motion NN 39928 1286 19 in in IN 39928 1286 20 a a DT 39928 1286 21 straight straight JJ 39928 1286 22 line line NN 39928 1286 23 in in IN 39928 1286 24 the the DT 39928 1286 25 midst midst NN 39928 1286 26 of of IN 39928 1286 27 thousands thousand NNS 39928 1286 28 or or CC 39928 1286 29 millions million NNS 39928 1286 30 of of IN 39928 1286 31 suns sun NNS 39928 1286 32 of of IN 39928 1286 33 various various JJ 39928 1286 34 sizes size NNS 39928 1286 35 is be VBZ 39928 1286 36 an an DT 39928 1286 37 absolute absolute JJ 39928 1286 38 impossibility impossibility NN 39928 1286 39 ; ; : 39928 1286 40 while while IN 39928 1286 41 it -PRON- PRP 39928 1286 42 also also RB 39928 1286 43 implies imply VBZ 39928 1286 44 that that IN 39928 1286 45 the the DT 39928 1286 46 sun sun NN 39928 1286 47 must must MD 39928 1286 48 have have VB 39928 1286 49 been be VBN 39928 1286 50 started start VBN 39928 1286 51 on on IN 39928 1286 52 its -PRON- PRP$ 39928 1286 53 course course NN 39928 1286 54 from from IN 39928 1286 55 some some DT 39928 1286 56 other other JJ 39928 1286 57 system system NN 39928 1286 58 outside outside IN 39928 1286 59 the the DT 39928 1286 60 Milky Milky NNP 39928 1286 61 Way Way NNP 39928 1286 62 , , , 39928 1286 63 with with IN 39928 1286 64 such such PDT 39928 1286 65 a a DT 39928 1286 66 precise precise JJ 39928 1286 67 determination determination NN 39928 1286 68 of of IN 39928 1286 69 direction direction NN 39928 1286 70 as as IN 39928 1286 71 not not RB 39928 1286 72 to to TO 39928 1286 73 collide collide VB 39928 1286 74 with with IN 39928 1286 75 , , , 39928 1286 76 or or CC 39928 1286 77 even even RB 39928 1286 78 make make VB 39928 1286 79 a a DT 39928 1286 80 near near JJ 39928 1286 81 approach approach NN 39928 1286 82 to to IN 39928 1286 83 , , , 39928 1286 84 any any DT 39928 1286 85 one one CD 39928 1286 86 of of IN 39928 1286 87 the the DT 39928 1286 88 suns sun NNS 39928 1286 89 or or CC 39928 1286 90 clusters cluster NNS 39928 1286 91 of of IN 39928 1286 92 suns sun NNS 39928 1286 93 , , , 39928 1286 94 or or CC 39928 1286 95 vast vast JJ 39928 1286 96 nebulous nebulous JJ 39928 1286 97 masses masse NNS 39928 1286 98 , , , 39928 1286 99 during during IN 39928 1286 100 its -PRON- PRP$ 39928 1286 101 passage passage NN 39928 1286 102 through through IN 39928 1286 103 the the DT 39928 1286 104 very very JJ 39928 1286 105 midst midst NN 39928 1286 106 of of IN 39928 1286 107 the the DT 39928 1286 108 stellar stellar JJ 39928 1286 109 universe universe NN 39928 1286 110 . . . 39928 1287 1 This this DT 39928 1287 2 is be VBZ 39928 1287 3 my -PRON- PRP$ 39928 1287 4 reply reply NN 39928 1287 5 to to IN 39928 1287 6 the the DT 39928 1287 7 main main JJ 39928 1287 8 point point NN 39928 1287 9 of of IN 39928 1287 10 their -PRON- PRP$ 39928 1287 11 criticism criticism NN 39928 1287 12 , , , 39928 1287 13 and and CC 39928 1287 14 I -PRON- PRP 39928 1287 15 think think VBP 39928 1287 16 I -PRON- PRP 39928 1287 17 am be VBP 39928 1287 18 justified justify VBN 39928 1287 19 in in IN 39928 1287 20 saying say VBG 39928 1287 21 that that IN 39928 1287 22 nothing nothing NN 39928 1287 23 in in IN 39928 1287 24 my -PRON- PRP$ 39928 1287 25 whole whole JJ 39928 1287 26 article article NN 39928 1287 27 is be VBZ 39928 1287 28 so so RB 39928 1287 29 demonstrably demonstrably RB 39928 1287 30 baseless baseless JJ 39928 1287 31 as as IN 39928 1287 32 the the DT 39928 1287 33 statements statement NNS 39928 1287 34 I -PRON- PRP 39928 1287 35 have have VBP 39928 1287 36 now now RB 39928 1287 37 examined examine VBN 39928 1287 38 . . . 39928 1288 1 * * NFP 39928 1288 2 * * NFP 39928 1288 3 * * NFP 39928 1288 4 * * NFP 39928 1288 5 * * NFP 39928 1288 6 Considering consider VBG 39928 1288 7 then then RB 39928 1288 8 the the DT 39928 1288 9 whole whole JJ 39928 1288 10 bearing bearing NN 39928 1288 11 of of IN 39928 1288 12 the the DT 39928 1288 13 evidence evidence NN 39928 1288 14 , , , 39928 1288 15 I -PRON- PRP 39928 1288 16 refuse refuse VBP 39928 1288 17 to to TO 39928 1288 18 accept accept VB 39928 1288 19 the the DT 39928 1288 20 unsupported unsupported JJ 39928 1288 21 dicta dicta NN 39928 1288 22 of of IN 39928 1288 23 those those DT 39928 1288 24 who who WP 39928 1288 25 would would MD 39928 1288 26 have have VB 39928 1288 27 us -PRON- PRP 39928 1288 28 believe believe VB 39928 1288 29 that that IN 39928 1288 30 our -PRON- PRP$ 39928 1288 31 admitted admitted JJ 39928 1288 32 position position NN 39928 1288 33 not not RB 39928 1288 34 far far RB 39928 1288 35 from from IN 39928 1288 36 the the DT 39928 1288 37 centre centre NN 39928 1288 38 of of IN 39928 1288 39 the the DT 39928 1288 40 stellar stellar JJ 39928 1288 41 universe universe NN 39928 1288 42 is be VBZ 39928 1288 43 a a DT 39928 1288 44 mere mere JJ 39928 1288 45 temporary temporary JJ 39928 1288 46 coincidence coincidence NN 39928 1288 47 of of IN 39928 1288 48 no no DT 39928 1288 49 significance significance NN 39928 1288 50 whatever whatever WDT 39928 1288 51 ; ; , 39928 1288 52 or or CC 39928 1288 53 that that IN 39928 1288 54 our -PRON- PRP$ 39928 1288 55 sun sun NN 39928 1288 56 and and CC 39928 1288 57 hosts host NNS 39928 1288 58 of of IN 39928 1288 59 other other JJ 39928 1288 60 similar similar JJ 39928 1288 61 orbs orb NNS 39928 1288 62 near near RB 39928 1288 63 to to IN 39928 1288 64 us -PRON- PRP 39928 1288 65 have have VBP 39928 1288 66 come come VBN 39928 1288 67 together together RB 39928 1288 68 by by IN 39928 1288 69 an an DT 39928 1288 70 accident accident NN 39928 1288 71 , , , 39928 1288 72 and and CC 39928 1288 73 are be VBP 39928 1288 74 being be VBG 39928 1288 75 dispersed disperse VBN 39928 1288 76 into into IN 39928 1288 77 surrounding surround VBG 39928 1288 78 space space NN 39928 1288 79 , , , 39928 1288 80 never never RB 39928 1288 81 to to TO 39928 1288 82 meet meet VB 39928 1288 83 again again RB 39928 1288 84 . . . 39928 1289 1 Until until IN 39928 1289 2 this this DT 39928 1289 3 is be VBZ 39928 1289 4 proved prove VBN 39928 1289 5 by by IN 39928 1289 6 indisputable indisputable JJ 39928 1289 7 evidence evidence NN 39928 1289 8 , , , 39928 1289 9 it -PRON- PRP 39928 1289 10 seems seem VBZ 39928 1289 11 to to IN 39928 1289 12 me -PRON- PRP 39928 1289 13 far far RB 39928 1289 14 more more RBR 39928 1289 15 probable probable JJ 39928 1289 16 that that IN 39928 1289 17 we -PRON- PRP 39928 1289 18 are be VBP 39928 1289 19 moving move VBG 39928 1289 20 in in IN 39928 1289 21 an an DT 39928 1289 22 orbit orbit NN 39928 1289 23 of of IN 39928 1289 24 some some DT 39928 1289 25 kind kind NN 39928 1289 26 around around IN 39928 1289 27 the the DT 39928 1289 28 centre centre NN 39928 1289 29 of of IN 39928 1289 30 gravity gravity NN 39928 1289 31 of of IN 39928 1289 32 a a DT 39928 1289 33 vast vast JJ 39928 1289 34 cluster cluster NN 39928 1289 35 , , , 39928 1289 36 as as IN 39928 1289 37 determined determine VBN 39928 1289 38 by by IN 39928 1289 39 the the DT 39928 1289 40 investigations investigation NNS 39928 1289 41 of of IN 39928 1289 42 Kapteyn Kapteyn NNP 39928 1289 43 , , , 39928 1289 44 Newcomb Newcomb NNP 39928 1289 45 , , , 39928 1289 46 and and CC 39928 1289 47 other other JJ 39928 1289 48 astronomers astronomer NNS 39928 1289 49 ; ; : 39928 1289 50 and and CC 39928 1289 51 , , , 39928 1289 52 consequently consequently RB 39928 1289 53 , , , 39928 1289 54 that that IN 39928 1289 55 the the DT 39928 1289 56 nearly nearly RB 39928 1289 57 central central JJ 39928 1289 58 position position NN 39928 1289 59 we -PRON- PRP 39928 1289 60 now now RB 39928 1289 61 occupy occupy VBP 39928 1289 62 may may MD 39928 1289 63 be be VB 39928 1289 64 a a DT 39928 1289 65 permanent permanent JJ 39928 1289 66 one one CD 39928 1289 67 . . . 39928 1290 1 For for IN 39928 1290 2 even even RB 39928 1290 3 if if IN 39928 1290 4 our -PRON- PRP$ 39928 1290 5 sun sun NN 39928 1290 6 's 's POS 39928 1290 7 orbit orbit NN 39928 1290 8 should should MD 39928 1290 9 have have VB 39928 1290 10 a a DT 39928 1290 11 diameter diameter NN 39928 1290 12 a a DT 39928 1290 13 thousand thousand CD 39928 1290 14 times time NNS 39928 1290 15 that that DT 39928 1290 16 of of IN 39928 1290 17 Neptune Neptune NNP 39928 1290 18 , , , 39928 1290 19 it -PRON- PRP 39928 1290 20 would would MD 39928 1290 21 be be VB 39928 1290 22 but but CC 39928 1290 23 a a DT 39928 1290 24 small small JJ 39928 1290 25 fraction fraction NN 39928 1290 26 of of IN 39928 1290 27 the the DT 39928 1290 28 diameter diameter NN 39928 1290 29 of of IN 39928 1290 30 the the DT 39928 1290 31 Milky Milky NNP 39928 1290 32 Way Way NNP 39928 1290 33 ; ; : 39928 1290 34 while while IN 39928 1290 35 so so RB 39928 1290 36 vast vast JJ 39928 1290 37 is be VBZ 39928 1290 38 the the DT 39928 1290 39 scale scale NN 39928 1290 40 of of IN 39928 1290 41 our -PRON- PRP$ 39928 1290 42 universe universe NN 39928 1290 43 , , , 39928 1290 44 that that IN 39928 1290 45 it -PRON- PRP 39928 1290 46 might may MD 39928 1290 47 be be VB 39928 1290 48 even even RB 39928 1290 49 a a DT 39928 1290 50 hundred hundred CD 39928 1290 51 thousand thousand CD 39928 1290 52 times time NNS 39928 1290 53 as as RB 39928 1290 54 great great JJ 39928 1290 55 and and CC 39928 1290 56 still still RB 39928 1290 57 leave leave VB 39928 1290 58 us -PRON- PRP 39928 1290 59 deeply deeply RB 39928 1290 60 immersed immersed JJ 39928 1290 61 in in IN 39928 1290 62 the the DT 39928 1290 63 solar solar JJ 39928 1290 64 cluster cluster NN 39928 1290 65 , , , 39928 1290 66 and and CC 39928 1290 67 very very RB 39928 1290 68 much much RB 39928 1290 69 nearer nearer RB 39928 1290 70 to to IN 39928 1290 71 the the DT 39928 1290 72 dense dense JJ 39928 1290 73 central central JJ 39928 1290 74 portion portion NN 39928 1290 75 than than IN 39928 1290 76 to to IN 39928 1290 77 its -PRON- PRP$ 39928 1290 78 more more JJR 39928 1290 79 diffused diffused JJ 39928 1290 80 outer outer JJ 39928 1290 81 regions region NNS 39928 1290 82 . . . 39928 1291 1 Here here RB 39928 1291 2 the the DT 39928 1291 3 subject subject NN 39928 1291 4 may may MD 39928 1291 5 be be VB 39928 1291 6 left leave VBN 39928 1291 7 for for IN 39928 1291 8 the the DT 39928 1291 9 present present NN 39928 1291 10 . . . 39928 1292 1 After after IN 39928 1292 2 having have VBG 39928 1292 3 studied study VBN 39928 1292 4 the the DT 39928 1292 5 evidence evidence NN 39928 1292 6 afforded afford VBN 39928 1292 7 by by IN 39928 1292 8 the the DT 39928 1292 9 essential essential JJ 39928 1292 10 conditions condition NNS 39928 1292 11 of of IN 39928 1292 12 life life NN 39928 1292 13 - - HYPH 39928 1292 14 development development NN 39928 1292 15 on on IN 39928 1292 16 the the DT 39928 1292 17 earth earth NN 39928 1292 18 , , , 39928 1292 19 and and CC 39928 1292 20 the the DT 39928 1292 21 numerous numerous JJ 39928 1292 22 indications indication NNS 39928 1292 23 that that IN 39928 1292 24 these these DT 39928 1292 25 conditions condition NNS 39928 1292 26 do do VBP 39928 1292 27 not not RB 39928 1292 28 exist exist VB 39928 1292 29 on on IN 39928 1292 30 any any DT 39928 1292 31 of of IN 39928 1292 32 the the DT 39928 1292 33 other other JJ 39928 1292 34 planets planet NNS 39928 1292 35 of of IN 39928 1292 36 the the DT 39928 1292 37 solar solar JJ 39928 1292 38 system system NN 39928 1292 39 , , , 39928 1292 40 it -PRON- PRP 39928 1292 41 may may MD 39928 1292 42 be be VB 39928 1292 43 again again RB 39928 1292 44 touched touch VBN 39928 1292 45 upon upon IN 39928 1292 46 in in IN 39928 1292 47 a a DT 39928 1292 48 general general JJ 39928 1292 49 review review NN 39928 1292 50 of of IN 39928 1292 51 the the DT 39928 1292 52 conclusions conclusion NNS 39928 1292 53 arrived arrive VBD 39928 1292 54 at at IN 39928 1292 55 . . . 39928 1293 1 FOOTNOTES footnote NNS 39928 1293 2 : : : 39928 1293 3 [ [ -LRB- 39928 1293 4 4 4 CD 39928 1293 5 ] ] -RRB- 39928 1293 6 _ _ NNP 39928 1293 7 Nature Nature NNP 39928 1293 8 _ _ NNP 39928 1293 9 , , , 39928 1293 10 October October NNP 39928 1293 11 26 26 CD 39928 1293 12 , , , 39928 1293 13 1899 1899 CD 39928 1293 14 . . . 39928 1294 1 [ [ -LRB- 39928 1294 2 5 5 CD 39928 1294 3 ] ] -RRB- 39928 1294 4 _ _ NNP 39928 1294 5 The the DT 39928 1294 6 System System NNP 39928 1294 7 of of IN 39928 1294 8 the the DT 39928 1294 9 Stars Stars NNPS 39928 1294 10 _ _ NNP 39928 1294 11 , , , 39928 1294 12 p. p. NN 39928 1294 13 385 385 CD 39928 1294 14 . . . 39928 1295 1 [ [ -LRB- 39928 1295 2 6 6 CD 39928 1295 3 ] ] -RRB- 39928 1295 4 This this DT 39928 1295 5 account account NN 39928 1295 6 of of IN 39928 1295 7 Professor Professor NNP 39928 1295 8 Kapteyn Kapteyn NNP 39928 1295 9 's 's POS 39928 1295 10 research research NN 39928 1295 11 is be VBZ 39928 1295 12 taken take VBN 39928 1295 13 from from IN 39928 1295 14 an an DT 39928 1295 15 article article NN 39928 1295 16 by by IN 39928 1295 17 Miss Miss NNP 39928 1295 18 A.M. A.M. NNP 39928 1295 19 Clerke Clerke NNP 39928 1295 20 in in IN 39928 1295 21 _ _ NNP 39928 1295 22 Knowledge Knowledge NNP 39928 1295 23 _ _ NNP 39928 1295 24 , , , 39928 1295 25 April April NNP 39928 1295 26 1893 1893 CD 39928 1295 27 . . . 39928 1296 1 [ [ -LRB- 39928 1296 2 7 7 CD 39928 1296 3 ] ] -RRB- 39928 1296 4 _ _ NNP 39928 1296 5 The the DT 39928 1296 6 Stars Stars NNPS 39928 1296 7 _ _ NNP 39928 1296 8 , , , 39928 1296 9 p. p. NN 39928 1296 10 256 256 CD 39928 1296 11 . . . 39928 1297 1 The the DT 39928 1297 2 region region NN 39928 1297 3 here here RB 39928 1297 4 referred refer VBD 39928 1297 5 to to IN 39928 1297 6 is be VBZ 39928 1297 7 that that DT 39928 1297 8 where where WRB 39928 1297 9 the the DT 39928 1297 10 Milky Milky NNP 39928 1297 11 Way Way NNP 39928 1297 12 has have VBZ 39928 1297 13 its -PRON- PRP$ 39928 1297 14 greatest great JJS 39928 1297 15 width width NN 39928 1297 16 ( ( -LRB- 39928 1297 17 though though IN 39928 1297 18 nearly nearly RB 39928 1297 19 as as RB 39928 1297 20 wide wide JJ 39928 1297 21 in in IN 39928 1297 22 the the DT 39928 1297 23 part part NN 39928 1297 24 exactly exactly RB 39928 1297 25 opposite opposite JJ 39928 1297 26 ) ) -RRB- 39928 1297 27 , , , 39928 1297 28 and and CC 39928 1297 29 where where WRB 39928 1297 30 it -PRON- PRP 39928 1297 31 may may MD 39928 1297 32 perhaps perhaps RB 39928 1297 33 extend extend VB 39928 1297 34 somewhat somewhat RB 39928 1297 35 in in IN 39928 1297 36 our -PRON- PRP$ 39928 1297 37 direction direction NN 39928 1297 38 . . . 39928 1298 1 Miss Miss NNP 39928 1298 2 A.M. A.M. NNP 39928 1298 3 Clerke Clerke NNP 39928 1298 4 informs inform VBZ 39928 1298 5 me -PRON- PRP 39928 1298 6 that that IN 39928 1298 7 in in IN 39928 1298 8 April April NNP 39928 1298 9 1901 1901 CD 39928 1298 10 Kapteyn Kapteyn NNP 39928 1298 11 withdrew withdraw VBD 39928 1298 12 the the DT 39928 1298 13 conclusions conclusion NNS 39928 1298 14 arrived arrive VBN 39928 1298 15 at at IN 39928 1298 16 in in IN 39928 1298 17 1893 1893 CD 39928 1298 18 , , , 39928 1298 19 as as IN 39928 1298 20 being be VBG 39928 1298 21 founded found VBN 39928 1298 22 on on IN 39928 1298 23 illegitimate illegitimate JJ 39928 1298 24 reasoning reasoning NN 39928 1298 25 as as IN 39928 1298 26 to to IN 39928 1298 27 the the DT 39928 1298 28 relation relation NN 39928 1298 29 of of IN 39928 1298 30 parallaxes parallax NNS 39928 1298 31 to to IN 39928 1298 32 proper proper JJ 39928 1298 33 motions motion NNS 39928 1298 34 . . . 39928 1299 1 But but CC 39928 1299 2 as as IN 39928 1299 3 this this DT 39928 1299 4 relation relation NN 39928 1299 5 is be VBZ 39928 1299 6 still still RB 39928 1299 7 accepted accept VBN 39928 1299 8 , , , 39928 1299 9 under under IN 39928 1299 10 certain certain JJ 39928 1299 11 limitations limitation NNS 39928 1299 12 , , , 39928 1299 13 by by IN 39928 1299 14 Professor Professor NNP 39928 1299 15 Newcomb Newcomb NNP 39928 1299 16 and and CC 39928 1299 17 other other JJ 39928 1299 18 astronomers astronomer NNS 39928 1299 19 , , , 39928 1299 20 who who WP 39928 1299 21 have have VBP 39928 1299 22 arrived arrive VBN 39928 1299 23 independently independently RB 39928 1299 24 at at IN 39928 1299 25 very very RB 39928 1299 26 similar similar JJ 39928 1299 27 results result NNS 39928 1299 28 , , , 39928 1299 29 it -PRON- PRP 39928 1299 30 seems seem VBZ 39928 1299 31 not not RB 39928 1299 32 improbable improbable JJ 39928 1299 33 that that IN 39928 1299 34 , , , 39928 1299 35 after after RB 39928 1299 36 all all RB 39928 1299 37 , , , 39928 1299 38 Professor Professor NNP 39928 1299 39 Kapteyn Kapteyn NNP 39928 1299 40 's 's POS 39928 1299 41 conclusions conclusion NNS 39928 1299 42 may may MD 39928 1299 43 not not RB 39928 1299 44 require require VB 39928 1299 45 very very RB 39928 1299 46 much much JJ 39928 1299 47 modification modification NN 39928 1299 48 . . . 39928 1300 1 Professor Professor NNP 39928 1300 2 Newcomb Newcomb NNP 39928 1300 3 also also RB 39928 1300 4 tells tell VBZ 39928 1300 5 us -PRON- PRP 39928 1300 6 ( ( -LRB- 39928 1300 7 _ _ NNP 39928 1300 8 The the DT 39928 1300 9 Stars Stars NNPS 39928 1300 10 _ _ NNP 39928 1300 11 , , , 39928 1300 12 p. p. NN 39928 1300 13 214 214 CD 39928 1300 14 , , , 39928 1300 15 footnote footnote NN 39928 1300 16 ) ) -RRB- 39928 1300 17 that that IN 39928 1300 18 he -PRON- PRP 39928 1300 19 has have VBZ 39928 1300 20 seen see VBN 39928 1300 21 the the DT 39928 1300 22 latest late JJS 39928 1300 23 of of IN 39928 1300 24 Professor Professor NNP 39928 1300 25 Kapteyn Kapteyn NNP 39928 1300 26 's 's POS 39928 1300 27 papers paper NNS 39928 1300 28 , , , 39928 1300 29 down down RB 39928 1300 30 to to IN 39928 1300 31 1901 1901 CD 39928 1300 32 ; ; : 39928 1300 33 but but CC 39928 1300 34 he -PRON- PRP 39928 1300 35 does do VBZ 39928 1300 36 not not RB 39928 1300 37 therefore therefore RB 39928 1300 38 express express VB 39928 1300 39 any any DT 39928 1300 40 doubt doubt NN 39928 1300 41 as as IN 39928 1300 42 to to IN 39928 1300 43 his -PRON- PRP$ 39928 1300 44 own own JJ 39928 1300 45 conclusions conclusion NNS 39928 1300 46 as as IN 39928 1300 47 here here RB 39928 1300 48 referred refer VBD 39928 1300 49 to to IN 39928 1300 50 . . . 39928 1301 1 [ [ -LRB- 39928 1301 2 8 8 LS 39928 1301 3 ] ] -RRB- 39928 1301 4 See see VB 39928 1301 5 _ _ NNP 39928 1301 6 Knowledge Knowledge NNP 39928 1301 7 _ _ NNP 39928 1301 8 and and CC 39928 1301 9 _ _ NNP 39928 1301 10 The the DT 39928 1301 11 Fortnightly Fortnightly NNP 39928 1301 12 Review Review NNP 39928 1301 13 _ _ NNP 39928 1301 14 of of IN 39928 1301 15 April April NNP 39928 1301 16 1903 1903 CD 39928 1301 17 . . . 39928 1302 1 [ [ -LRB- 39928 1302 2 9 9 CD 39928 1302 3 ] ] -RRB- 39928 1302 4 Sir Sir NNP 39928 1302 5 R. R. NNP 39928 1302 6 Ball Ball NNP 39928 1302 7 in in IN 39928 1302 8 an an DT 39928 1302 9 article article NN 39928 1302 10 in in IN 39928 1302 11 _ _ NNP 39928 1302 12 Good Good NNP 39928 1302 13 Words Words NNPS 39928 1302 14 _ _ NNP 39928 1302 15 ( ( -LRB- 39928 1302 16 April April NNP 39928 1302 17 1903 1903 CD 39928 1302 18 ) ) -RRB- 39928 1302 19 says say VBZ 39928 1302 20 that that IN 39928 1302 21 luminosity luminosity NN 39928 1302 22 is be VBZ 39928 1302 23 an an DT 39928 1302 24 exceptional exceptional JJ 39928 1302 25 phenomenon phenomenon NN 39928 1302 26 in in IN 39928 1302 27 nature nature NN 39928 1302 28 , , , 39928 1302 29 and and CC 39928 1302 30 that that IN 39928 1302 31 luminous luminous JJ 39928 1302 32 stars star NNS 39928 1302 33 are be VBP 39928 1302 34 but but IN 39928 1302 35 the the DT 39928 1302 36 glow glow NN 39928 1302 37 - - HYPH 39928 1302 38 worms worm NNS 39928 1302 39 and and CC 39928 1302 40 fire fire NN 39928 1302 41 - - HYPH 39928 1302 42 flies fly NNS 39928 1302 43 of of IN 39928 1302 44 the the DT 39928 1302 45 universe universe NN 39928 1302 46 , , , 39928 1302 47 as as IN 39928 1302 48 compared compare VBN 39928 1302 49 with with IN 39928 1302 50 the the DT 39928 1302 51 myriads myriad NNS 39928 1302 52 of of IN 39928 1302 53 other other JJ 39928 1302 54 animals animal NNS 39928 1302 55 . . . 39928 1303 1 CHAPTER CHAPTER NNP 39928 1303 2 IX IX NNP 39928 1303 3 THE the DT 39928 1303 4 UNIFORMITY UNIFORMITY NNP 39928 1303 5 OF of IN 39928 1303 6 MATTER MATTER NNP 39928 1303 7 AND and CC 39928 1303 8 ITS its PRP$ 39928 1303 9 LAWS laws NN 39928 1303 10 THROUGHOUT throughout IN 39928 1303 11 THE the DT 39928 1303 12 STELLAR STELLAR NNP 39928 1303 13 UNIVERSE UNIVERSE NNP 39928 1303 14 I -PRON- PRP 39928 1303 15 have have VBP 39928 1303 16 shown show VBN 39928 1303 17 in in IN 39928 1303 18 the the DT 39928 1303 19 second second JJ 39928 1303 20 chapter chapter NN 39928 1303 21 of of IN 39928 1303 22 this this DT 39928 1303 23 work work NN 39928 1303 24 that that WDT 39928 1303 25 none none NN 39928 1303 26 of of IN 39928 1303 27 the the DT 39928 1303 28 previous previous JJ 39928 1303 29 writers writer NNS 39928 1303 30 on on IN 39928 1303 31 the the DT 39928 1303 32 question question NN 39928 1303 33 of of IN 39928 1303 34 the the DT 39928 1303 35 habitability habitability NN 39928 1303 36 of of IN 39928 1303 37 the the DT 39928 1303 38 other other JJ 39928 1303 39 planets planet NNS 39928 1303 40 have have VBP 39928 1303 41 really really RB 39928 1303 42 dealt deal VBN 39928 1303 43 with with IN 39928 1303 44 the the DT 39928 1303 45 subject subject NN 39928 1303 46 in in IN 39928 1303 47 any any DT 39928 1303 48 adequate adequate JJ 39928 1303 49 manner manner NN 39928 1303 50 , , , 39928 1303 51 since since IN 39928 1303 52 not not RB 39928 1303 53 only only RB 39928 1303 54 do do VBP 39928 1303 55 they -PRON- PRP 39928 1303 56 appear appear VB 39928 1303 57 to to TO 39928 1303 58 be be VB 39928 1303 59 quite quite RB 39928 1303 60 unaware unaware JJ 39928 1303 61 of of IN 39928 1303 62 the the DT 39928 1303 63 delicate delicate JJ 39928 1303 64 balance balance NN 39928 1303 65 of of IN 39928 1303 66 conditions condition NNS 39928 1303 67 which which WDT 39928 1303 68 alone alone RB 39928 1303 69 renders render VBZ 39928 1303 70 organic organic JJ 39928 1303 71 life life NN 39928 1303 72 possible possible JJ 39928 1303 73 on on IN 39928 1303 74 any any DT 39928 1303 75 planet planet NN 39928 1303 76 , , , 39928 1303 77 but but CC 39928 1303 78 they -PRON- PRP 39928 1303 79 have have VBP 39928 1303 80 altogether altogether RB 39928 1303 81 omitted omit VBN 39928 1303 82 any any DT 39928 1303 83 reference reference NN 39928 1303 84 to to IN 39928 1303 85 the the DT 39928 1303 86 fact fact NN 39928 1303 87 that that IN 39928 1303 88 not not RB 39928 1303 89 only only RB 39928 1303 90 must must MD 39928 1303 91 the the DT 39928 1303 92 conditions condition NNS 39928 1303 93 be be VB 39928 1303 94 such such JJ 39928 1303 95 as as IN 39928 1303 96 to to TO 39928 1303 97 render render VB 39928 1303 98 life life NN 39928 1303 99 possible possible JJ 39928 1303 100 _ _ NNP 39928 1303 101 now now RB 39928 1303 102 _ _ NNP 39928 1303 103 , , , 39928 1303 104 but but CC 39928 1303 105 these these DT 39928 1303 106 conditions condition NNS 39928 1303 107 must must MD 39928 1303 108 have have VB 39928 1303 109 persisted persist VBN 39928 1303 110 during during IN 39928 1303 111 the the DT 39928 1303 112 long long JJ 39928 1303 113 geological geological JJ 39928 1303 114 epochs epoch NNS 39928 1303 115 needed need VBN 39928 1303 116 for for IN 39928 1303 117 the the DT 39928 1303 118 slow slow JJ 39928 1303 119 development development NN 39928 1303 120 of of IN 39928 1303 121 life life NN 39928 1303 122 from from IN 39928 1303 123 its -PRON- PRP$ 39928 1303 124 most most JJS 39928 1303 125 rudimentary rudimentary JJ 39928 1303 126 forms form NNS 39928 1303 127 . . . 39928 1304 1 It -PRON- PRP 39928 1304 2 will will MD 39928 1304 3 therefore therefore RB 39928 1304 4 be be VB 39928 1304 5 necessary necessary JJ 39928 1304 6 to to TO 39928 1304 7 enter enter VB 39928 1304 8 into into IN 39928 1304 9 some some DT 39928 1304 10 details detail NNS 39928 1304 11 both both DT 39928 1304 12 as as IN 39928 1304 13 to to IN 39928 1304 14 the the DT 39928 1304 15 physical physical JJ 39928 1304 16 and and CC 39928 1304 17 chemical chemical JJ 39928 1304 18 essentials essential NNS 39928 1304 19 for for IN 39928 1304 20 a a DT 39928 1304 21 continuous continuous JJ 39928 1304 22 development development NN 39928 1304 23 of of IN 39928 1304 24 organic organic JJ 39928 1304 25 life life NN 39928 1304 26 , , , 39928 1304 27 and and CC 39928 1304 28 also also RB 39928 1304 29 into into IN 39928 1304 30 the the DT 39928 1304 31 combination combination NN 39928 1304 32 of of IN 39928 1304 33 mechanical mechanical JJ 39928 1304 34 and and CC 39928 1304 35 physical physical JJ 39928 1304 36 conditions condition NNS 39928 1304 37 which which WDT 39928 1304 38 are be VBP 39928 1304 39 required require VBN 39928 1304 40 on on IN 39928 1304 41 any any DT 39928 1304 42 planet planet NN 39928 1304 43 to to TO 39928 1304 44 render render VB 39928 1304 45 such such JJ 39928 1304 46 life life NN 39928 1304 47 possible possible JJ 39928 1304 48 . . . 39928 1305 1 THE the DT 39928 1305 2 UNIFORMITY UNIFORMITY NNP 39928 1305 3 OF of IN 39928 1305 4 MATTER MATTER NNP 39928 1305 5 One one CD 39928 1305 6 of of IN 39928 1305 7 the the DT 39928 1305 8 most most RBS 39928 1305 9 important important JJ 39928 1305 10 and and CC 39928 1305 11 far far RB 39928 1305 12 - - HYPH 39928 1305 13 reaching reaching JJ 39928 1305 14 of of IN 39928 1305 15 the the DT 39928 1305 16 discoveries discovery NNS 39928 1305 17 due due IN 39928 1305 18 to to IN 39928 1305 19 the the DT 39928 1305 20 spectroscope spectroscope NN 39928 1305 21 is be VBZ 39928 1305 22 that that DT 39928 1305 23 of of IN 39928 1305 24 the the DT 39928 1305 25 wonderful wonderful JJ 39928 1305 26 identity identity NN 39928 1305 27 of of IN 39928 1305 28 the the DT 39928 1305 29 elements element NNS 39928 1305 30 and and CC 39928 1305 31 material material NN 39928 1305 32 compounds compound NNS 39928 1305 33 in in IN 39928 1305 34 earth earth NN 39928 1305 35 and and CC 39928 1305 36 sun sun NN 39928 1305 37 , , , 39928 1305 38 stars star NNS 39928 1305 39 and and CC 39928 1305 40 nebulæ nebulæ NN 39928 1305 41 , , , 39928 1305 42 and and CC 39928 1305 43 also also RB 39928 1305 44 of of IN 39928 1305 45 the the DT 39928 1305 46 identity identity NN 39928 1305 47 of of IN 39928 1305 48 the the DT 39928 1305 49 physical physical JJ 39928 1305 50 and and CC 39928 1305 51 chemical chemical JJ 39928 1305 52 laws law NNS 39928 1305 53 that that WDT 39928 1305 54 determine determine VBP 39928 1305 55 the the DT 39928 1305 56 states state NNS 39928 1305 57 and and CC 39928 1305 58 forms form NNS 39928 1305 59 assumed assume VBN 39928 1305 60 by by IN 39928 1305 61 matter matter NN 39928 1305 62 . . . 39928 1306 1 More More JJR 39928 1306 2 than than IN 39928 1306 3 half half PDT 39928 1306 4 the the DT 39928 1306 5 total total JJ 39928 1306 6 number number NN 39928 1306 7 of of IN 39928 1306 8 the the DT 39928 1306 9 known know VBN 39928 1306 10 elements element NNS 39928 1306 11 have have VBP 39928 1306 12 been be VBN 39928 1306 13 already already RB 39928 1306 14 detected detect VBN 39928 1306 15 in in IN 39928 1306 16 the the DT 39928 1306 17 sun sun NN 39928 1306 18 , , , 39928 1306 19 including include VBG 39928 1306 20 all all PDT 39928 1306 21 those those DT 39928 1306 22 which which WDT 39928 1306 23 compose compose VBD 39928 1306 24 the the DT 39928 1306 25 bulk bulk NN 39928 1306 26 of of IN 39928 1306 27 the the DT 39928 1306 28 earth earth NN 39928 1306 29 's 's POS 39928 1306 30 solid solid JJ 39928 1306 31 material material NN 39928 1306 32 , , , 39928 1306 33 with with IN 39928 1306 34 the the DT 39928 1306 35 one one CD 39928 1306 36 exception exception NN 39928 1306 37 of of IN 39928 1306 38 oxygen oxygen NN 39928 1306 39 . . . 39928 1307 1 This this DT 39928 1307 2 is be VBZ 39928 1307 3 a a DT 39928 1307 4 very very RB 39928 1307 5 large large JJ 39928 1307 6 proportion proportion NN 39928 1307 7 when when WRB 39928 1307 8 we -PRON- PRP 39928 1307 9 consider consider VBP 39928 1307 10 the the DT 39928 1307 11 very very RB 39928 1307 12 peculiar peculiar JJ 39928 1307 13 conditions condition NNS 39928 1307 14 which which WDT 39928 1307 15 enable enable VBP 39928 1307 16 us -PRON- PRP 39928 1307 17 to to TO 39928 1307 18 detect detect VB 39928 1307 19 them -PRON- PRP 39928 1307 20 . . . 39928 1308 1 For for IN 39928 1308 2 we -PRON- PRP 39928 1308 3 can can MD 39928 1308 4 only only RB 39928 1308 5 recognise recognise VB 39928 1308 6 an an DT 39928 1308 7 element element NN 39928 1308 8 in in IN 39928 1308 9 the the DT 39928 1308 10 sun sun NN 39928 1308 11 when when WRB 39928 1308 12 it -PRON- PRP 39928 1308 13 exists exist VBZ 39928 1308 14 at at IN 39928 1308 15 its -PRON- PRP$ 39928 1308 16 surface surface NN 39928 1308 17 in in IN 39928 1308 18 an an DT 39928 1308 19 incandescent incandescent JJ 39928 1308 20 state state NN 39928 1308 21 , , , 39928 1308 22 and and CC 39928 1308 23 also also RB 39928 1308 24 above above IN 39928 1308 25 its -PRON- PRP$ 39928 1308 26 surface surface NN 39928 1308 27 in in IN 39928 1308 28 the the DT 39928 1308 29 form form NN 39928 1308 30 of of IN 39928 1308 31 a a DT 39928 1308 32 somewhat somewhat RB 39928 1308 33 cooler cool JJR 39928 1308 34 gas gas NN 39928 1308 35 . . . 39928 1309 1 Many many JJ 39928 1309 2 of of IN 39928 1309 3 the the DT 39928 1309 4 elements element NNS 39928 1309 5 may may MD 39928 1309 6 rarely rarely RB 39928 1309 7 or or CC 39928 1309 8 never never RB 39928 1309 9 be be VB 39928 1309 10 brought bring VBN 39928 1309 11 to to IN 39928 1309 12 the the DT 39928 1309 13 surface surface NN 39928 1309 14 of of IN 39928 1309 15 so so RB 39928 1309 16 vast vast JJ 39928 1309 17 a a DT 39928 1309 18 body body NN 39928 1309 19 , , , 39928 1309 20 or or CC 39928 1309 21 if if IN 39928 1309 22 they -PRON- PRP 39928 1309 23 do do VBP 39928 1309 24 sometimes sometimes RB 39928 1309 25 appear appear VB 39928 1309 26 there there RB 39928 1309 27 , , , 39928 1309 28 it -PRON- PRP 39928 1309 29 may may MD 39928 1309 30 not not RB 39928 1309 31 be be VB 39928 1309 32 in in IN 39928 1309 33 sufficient sufficient JJ 39928 1309 34 quantity quantity NN 39928 1309 35 or or CC 39928 1309 36 in in IN 39928 1309 37 sufficient sufficient JJ 39928 1309 38 purity purity NN 39928 1309 39 to to TO 39928 1309 40 produce produce VB 39928 1309 41 any any DT 39928 1309 42 bands band NNS 39928 1309 43 in in IN 39928 1309 44 the the DT 39928 1309 45 spectroscope spectroscope NN 39928 1309 46 , , , 39928 1309 47 while while IN 39928 1309 48 the the DT 39928 1309 49 cooler cooler NN 39928 1309 50 gas gas NN 39928 1309 51 or or CC 39928 1309 52 vapour vapour NN 39928 1309 53 may may MD 39928 1309 54 either either CC 39928 1309 55 not not RB 39928 1309 56 be be VB 39928 1309 57 present present JJ 39928 1309 58 , , , 39928 1309 59 or or CC 39928 1309 60 be be VB 39928 1309 61 so so RB 39928 1309 62 dispersed disperse VBN 39928 1309 63 as as IN 39928 1309 64 not not RB 39928 1309 65 to to TO 39928 1309 66 produce produce VB 39928 1309 67 sufficient sufficient JJ 39928 1309 68 absorption absorption NN 39928 1309 69 to to TO 39928 1309 70 render render VB 39928 1309 71 its -PRON- PRP$ 39928 1309 72 spectral spectral JJ 39928 1309 73 lines line NNS 39928 1309 74 visible visible JJ 39928 1309 75 . . . 39928 1310 1 Again again RB 39928 1310 2 , , , 39928 1310 3 it -PRON- PRP 39928 1310 4 is be VBZ 39928 1310 5 believed believe VBN 39928 1310 6 that that IN 39928 1310 7 many many JJ 39928 1310 8 elements element NNS 39928 1310 9 are be VBP 39928 1310 10 dissociated dissociate VBN 39928 1310 11 by by IN 39928 1310 12 the the DT 39928 1310 13 intense intense JJ 39928 1310 14 heat heat NN 39928 1310 15 of of IN 39928 1310 16 the the DT 39928 1310 17 sun sun NN 39928 1310 18 , , , 39928 1310 19 and and CC 39928 1310 20 may may MD 39928 1310 21 not not RB 39928 1310 22 be be VB 39928 1310 23 recognisable recognisable JJ 39928 1310 24 by by IN 39928 1310 25 us -PRON- PRP 39928 1310 26 , , , 39928 1310 27 or or CC 39928 1310 28 they -PRON- PRP 39928 1310 29 may may MD 39928 1310 30 only only RB 39928 1310 31 exist exist VB 39928 1310 32 at at IN 39928 1310 33 its -PRON- PRP$ 39928 1310 34 surface surface NN 39928 1310 35 in in IN 39928 1310 36 a a DT 39928 1310 37 compound compound NN 39928 1310 38 form form NN 39928 1310 39 unknown unknown JJ 39928 1310 40 on on IN 39928 1310 41 the the DT 39928 1310 42 earth earth NN 39928 1310 43 ; ; : 39928 1310 44 and and CC 39928 1310 45 in in IN 39928 1310 46 some some DT 39928 1310 47 such such JJ 39928 1310 48 way way NN 39928 1310 49 those those DT 39928 1310 50 lines line NNS 39928 1310 51 of of IN 39928 1310 52 the the DT 39928 1310 53 solar solar JJ 39928 1310 54 spectrum spectrum NN 39928 1310 55 which which WDT 39928 1310 56 remain remain VBP 39928 1310 57 still still RB 39928 1310 58 unrecognised unrecognised JJ 39928 1310 59 may may MD 39928 1310 60 have have VB 39928 1310 61 been be VBN 39928 1310 62 produced produce VBN 39928 1310 63 . . . 39928 1311 1 One one CD 39928 1311 2 of of IN 39928 1311 3 these these DT 39928 1311 4 unknown unknown JJ 39928 1311 5 lines line NNS 39928 1311 6 was be VBD 39928 1311 7 that that DT 39928 1311 8 of of IN 39928 1311 9 Helium Helium NNP 39928 1311 10 , , , 39928 1311 11 a a DT 39928 1311 12 gas gas NN 39928 1311 13 found find VBN 39928 1311 14 soon soon RB 39928 1311 15 afterwards afterwards RB 39928 1311 16 in in IN 39928 1311 17 the the DT 39928 1311 18 rare rare JJ 39928 1311 19 mineral mineral NN 39928 1311 20 ' ' '' 39928 1311 21 Cleveite Cleveite NNP 39928 1311 22 , , , 39928 1311 23 ' ' '' 39928 1311 24 and and CC 39928 1311 25 since since IN 39928 1311 26 detected detect VBN 39928 1311 27 frequently frequently RB 39928 1311 28 in in IN 39928 1311 29 many many JJ 39928 1311 30 stars star NNS 39928 1311 31 . . . 39928 1312 1 Some some DT 39928 1312 2 of of IN 39928 1312 3 the the DT 39928 1312 4 stars star NNS 39928 1312 5 have have VBP 39928 1312 6 spectra spectra NNP 39928 1312 7 very very RB 39928 1312 8 closely closely RB 39928 1312 9 resembling resemble VBG 39928 1312 10 that that DT 39928 1312 11 of of IN 39928 1312 12 the the DT 39928 1312 13 sun sun NN 39928 1312 14 . . . 39928 1313 1 The the DT 39928 1313 2 dark dark JJ 39928 1313 3 lines line NNS 39928 1313 4 are be VBP 39928 1313 5 almost almost RB 39928 1313 6 as as RB 39928 1313 7 numerous numerous JJ 39928 1313 8 , , , 39928 1313 9 and and CC 39928 1313 10 most most JJS 39928 1313 11 of of IN 39928 1313 12 them -PRON- PRP 39928 1313 13 correspond correspond VBP 39928 1313 14 accurately accurately RB 39928 1313 15 with with IN 39928 1313 16 solar solar JJ 39928 1313 17 lines line NNS 39928 1313 18 , , , 39928 1313 19 so so IN 39928 1313 20 that that IN 39928 1313 21 we -PRON- PRP 39928 1313 22 can can MD 39928 1313 23 not not RB 39928 1313 24 doubt doubt VB 39928 1313 25 their -PRON- PRP$ 39928 1313 26 having have VBG 39928 1313 27 almost almost RB 39928 1313 28 exactly exactly RB 39928 1313 29 the the DT 39928 1313 30 same same JJ 39928 1313 31 chemical chemical NN 39928 1313 32 constitution constitution NN 39928 1313 33 , , , 39928 1313 34 and and CC 39928 1313 35 being be VBG 39928 1313 36 also also RB 39928 1313 37 in in IN 39928 1313 38 the the DT 39928 1313 39 same same JJ 39928 1313 40 condition condition NN 39928 1313 41 as as IN 39928 1313 42 regards regard VBZ 39928 1313 43 heat heat NN 39928 1313 44 and and CC 39928 1313 45 stage stage NN 39928 1313 46 of of IN 39928 1313 47 development development NN 39928 1313 48 . . . 39928 1314 1 Other other JJ 39928 1314 2 stars star NNS 39928 1314 3 , , , 39928 1314 4 as as IN 39928 1314 5 we -PRON- PRP 39928 1314 6 have have VBP 39928 1314 7 already already RB 39928 1314 8 stated state VBN 39928 1314 9 , , , 39928 1314 10 exhibit exhibit NN 39928 1314 11 mainly mainly RB 39928 1314 12 lines line NNS 39928 1314 13 of of IN 39928 1314 14 hydrogen hydrogen NN 39928 1314 15 , , , 39928 1314 16 sometimes sometimes RB 39928 1314 17 combined combine VBN 39928 1314 18 with with IN 39928 1314 19 fine fine JJ 39928 1314 20 metallic metallic JJ 39928 1314 21 lines line NNS 39928 1314 22 . . . 39928 1315 1 Of of IN 39928 1315 2 the the DT 39928 1315 3 spectra spectra NN 39928 1315 4 of of IN 39928 1315 5 the the DT 39928 1315 6 nebulæ nebulæ NN 39928 1315 7 comparatively comparatively RB 39928 1315 8 little little JJ 39928 1315 9 is be VBZ 39928 1315 10 known know VBN 39928 1315 11 , , , 39928 1315 12 but but CC 39928 1315 13 many many JJ 39928 1315 14 are be VBP 39928 1315 15 decidedly decidedly RB 39928 1315 16 gaseous gaseous JJ 39928 1315 17 , , , 39928 1315 18 while while IN 39928 1315 19 others other NNS 39928 1315 20 show show VBP 39928 1315 21 a a DT 39928 1315 22 continuous continuous JJ 39928 1315 23 spectrum spectrum NN 39928 1315 24 indicating indicate VBG 39928 1315 25 a a DT 39928 1315 26 more more RBR 39928 1315 27 complex complex JJ 39928 1315 28 constitution constitution NN 39928 1315 29 . . . 39928 1316 1 But but CC 39928 1316 2 we -PRON- PRP 39928 1316 3 also also RB 39928 1316 4 obtain obtain VBP 39928 1316 5 considerable considerable JJ 39928 1316 6 knowledge knowledge NN 39928 1316 7 of of IN 39928 1316 8 the the DT 39928 1316 9 matter matter NN 39928 1316 10 of of IN 39928 1316 11 non non JJ 39928 1316 12 - - JJ 39928 1316 13 terrestrial terrestrial JJ 39928 1316 14 bodies body NNS 39928 1316 15 by by IN 39928 1316 16 the the DT 39928 1316 17 analysis analysis NN 39928 1316 18 of of IN 39928 1316 19 the the DT 39928 1316 20 numerous numerous JJ 39928 1316 21 meteorites meteorite NNS 39928 1316 22 which which WDT 39928 1316 23 fall fall VBP 39928 1316 24 upon upon IN 39928 1316 25 the the DT 39928 1316 26 earth earth NN 39928 1316 27 . . . 39928 1317 1 Most Most JJS 39928 1317 2 of of IN 39928 1317 3 these these DT 39928 1317 4 belong belong VBP 39928 1317 5 to to IN 39928 1317 6 some some DT 39928 1317 7 of of IN 39928 1317 8 the the DT 39928 1317 9 many many JJ 39928 1317 10 meteoric meteoric JJ 39928 1317 11 streams stream NNS 39928 1317 12 which which WDT 39928 1317 13 circulate circulate VBP 39928 1317 14 round round IN 39928 1317 15 the the DT 39928 1317 16 sun sun NN 39928 1317 17 , , , 39928 1317 18 and and CC 39928 1317 19 which which WDT 39928 1317 20 may may MD 39928 1317 21 be be VB 39928 1317 22 supposed suppose VBN 39928 1317 23 to to TO 39928 1317 24 give give VB 39928 1317 25 us -PRON- PRP 39928 1317 26 samples sample NNS 39928 1317 27 of of IN 39928 1317 28 planetary planetary JJ 39928 1317 29 matter matter NN 39928 1317 30 . . . 39928 1318 1 But but CC 39928 1318 2 as as IN 39928 1318 3 it -PRON- PRP 39928 1318 4 is be VBZ 39928 1318 5 now now RB 39928 1318 6 believed believe VBN 39928 1318 7 that that IN 39928 1318 8 many many JJ 39928 1318 9 of of IN 39928 1318 10 them -PRON- PRP 39928 1318 11 are be VBP 39928 1318 12 produced produce VBN 39928 1318 13 by by IN 39928 1318 14 the the DT 39928 1318 15 debris debris NN 39928 1318 16 of of IN 39928 1318 17 comets comet NNS 39928 1318 18 , , , 39928 1318 19 and and CC 39928 1318 20 the the DT 39928 1318 21 orbits orbit NNS 39928 1318 22 of of IN 39928 1318 23 some some DT 39928 1318 24 of of IN 39928 1318 25 these these DT 39928 1318 26 indicate indicate VBP 39928 1318 27 that that IN 39928 1318 28 they -PRON- PRP 39928 1318 29 have have VBP 39928 1318 30 come come VBN 39928 1318 31 from from IN 39928 1318 32 stellar stellar JJ 39928 1318 33 space space NN 39928 1318 34 and and CC 39928 1318 35 have have VBP 39928 1318 36 been be VBN 39928 1318 37 drawn draw VBN 39928 1318 38 into into IN 39928 1318 39 our -PRON- PRP$ 39928 1318 40 system system NN 39928 1318 41 by by IN 39928 1318 42 the the DT 39928 1318 43 attractive attractive JJ 39928 1318 44 power power NN 39928 1318 45 of of IN 39928 1318 46 the the DT 39928 1318 47 larger large JJR 39928 1318 48 planets planet NNS 39928 1318 49 , , , 39928 1318 50 it -PRON- PRP 39928 1318 51 is be VBZ 39928 1318 52 almost almost RB 39928 1318 53 certain certain JJ 39928 1318 54 that that IN 39928 1318 55 the the DT 39928 1318 56 meteoric meteoric JJ 39928 1318 57 stones stone NNS 39928 1318 58 not not RB 39928 1318 59 infrequently infrequently RB 39928 1318 60 bring bring VB 39928 1318 61 us -PRON- PRP 39928 1318 62 matter matter NN 39928 1318 63 from from IN 39928 1318 64 the the DT 39928 1318 65 remoter remoter NN 39928 1318 66 regions region NNS 39928 1318 67 of of IN 39928 1318 68 space space NN 39928 1318 69 , , , 39928 1318 70 and and CC 39928 1318 71 probably probably RB 39928 1318 72 afford afford VB 39928 1318 73 us -PRON- PRP 39928 1318 74 samples sample NNS 39928 1318 75 of of IN 39928 1318 76 the the DT 39928 1318 77 solid solid JJ 39928 1318 78 constituents constituent NNS 39928 1318 79 of of IN 39928 1318 80 nebula nebula NN 39928 1318 81 ; ; , 39928 1318 82 or or CC 39928 1318 83 the the DT 39928 1318 84 cooler cooler NN 39928 1318 85 stars star NNS 39928 1318 86 . . . 39928 1319 1 It -PRON- PRP 39928 1319 2 is be VBZ 39928 1319 3 , , , 39928 1319 4 therefore therefore RB 39928 1319 5 , , , 39928 1319 6 a a DT 39928 1319 7 most most RBS 39928 1319 8 suggestive suggestive JJ 39928 1319 9 fact fact NN 39928 1319 10 that that IN 39928 1319 11 none none NN 39928 1319 12 of of IN 39928 1319 13 these these DT 39928 1319 14 meteorites meteorite NNS 39928 1319 15 have have VBP 39928 1319 16 been be VBN 39928 1319 17 found find VBN 39928 1319 18 to to TO 39928 1319 19 contain contain VB 39928 1319 20 a a DT 39928 1319 21 single single JJ 39928 1319 22 non non JJ 39928 1319 23 - - JJ 39928 1319 24 terrestrial terrestrial JJ 39928 1319 25 element element NN 39928 1319 26 , , , 39928 1319 27 although although IN 39928 1319 28 no no DT 39928 1319 29 less less JJR 39928 1319 30 than than IN 39928 1319 31 twenty twenty CD 39928 1319 32 - - HYPH 39928 1319 33 four four CD 39928 1319 34 elements element NNS 39928 1319 35 have have VBP 39928 1319 36 been be VBN 39928 1319 37 found find VBN 39928 1319 38 in in IN 39928 1319 39 them -PRON- PRP 39928 1319 40 , , , 39928 1319 41 and and CC 39928 1319 42 it -PRON- PRP 39928 1319 43 will will MD 39928 1319 44 be be VB 39928 1319 45 of of IN 39928 1319 46 interest interest NN 39928 1319 47 to to TO 39928 1319 48 give give VB 39928 1319 49 the the DT 39928 1319 50 list list NN 39928 1319 51 of of IN 39928 1319 52 these these DT 39928 1319 53 , , , 39928 1319 54 as as IN 39928 1319 55 follows:--_Oxygen follows:--_Oxygen NNP 39928 1319 56 _ _ NNP 39928 1319 57 , , , 39928 1319 58 Hydrogen Hydrogen NNP 39928 1319 59 , , , 39928 1319 60 _ _ NNP 39928 1319 61 Chlorine Chlorine NNP 39928 1319 62 _ _ NNP 39928 1319 63 , , , 39928 1319 64 _ _ NNP 39928 1319 65 Sulphur Sulphur NNP 39928 1319 66 _ _ NNP 39928 1319 67 , , , 39928 1319 68 _ _ NNP 39928 1319 69 Phosphorus Phosphorus NNP 39928 1319 70 _ _ NNP 39928 1319 71 , , , 39928 1319 72 Carbon Carbon NNP 39928 1319 73 , , , 39928 1319 74 Silicon Silicon NNP 39928 1319 75 , , , 39928 1319 76 Iron Iron NNP 39928 1319 77 , , , 39928 1319 78 Nickel Nickel NNP 39928 1319 79 , , , 39928 1319 80 Cobalt Cobalt NNP 39928 1319 81 , , , 39928 1319 82 Magnesium Magnesium NNP 39928 1319 83 , , , 39928 1319 84 Chromium Chromium NNP 39928 1319 85 , , , 39928 1319 86 Manganese Manganese NNP 39928 1319 87 , , , 39928 1319 88 Copper Copper NNP 39928 1319 89 , , , 39928 1319 90 Tin Tin NNP 39928 1319 91 , , , 39928 1319 92 _ _ NNP 39928 1319 93 Antimony Antimony NNP 39928 1319 94 _ _ NNP 39928 1319 95 , , , 39928 1319 96 Aluminium Aluminium NNP 39928 1319 97 , , , 39928 1319 98 Calcium Calcium NNP 39928 1319 99 , , , 39928 1319 100 Potassium Potassium NNP 39928 1319 101 , , , 39928 1319 102 Sodium Sodium NNP 39928 1319 103 , , , 39928 1319 104 _ _ NNP 39928 1319 105 Lithium Lithium NNP 39928 1319 106 _ _ NNP 39928 1319 107 , , , 39928 1319 108 Titanium Titanium NNP 39928 1319 109 , , , 39928 1319 110 _ _ NNP 39928 1319 111 Arsenic Arsenic NNP 39928 1319 112 _ _ NNP 39928 1319 113 , , , 39928 1319 114 and and CC 39928 1319 115 Vanadium Vanadium NNP 39928 1319 116 . . . 39928 1320 1 Seven seven CD 39928 1320 2 of of IN 39928 1320 3 the the DT 39928 1320 4 above above JJ 39928 1320 5 , , , 39928 1320 6 printed print VBN 39928 1320 7 in in IN 39928 1320 8 italics italic NNS 39928 1320 9 , , , 39928 1320 10 have have VBP 39928 1320 11 not not RB 39928 1320 12 yet yet RB 39928 1320 13 been be VBN 39928 1320 14 found find VBN 39928 1320 15 in in IN 39928 1320 16 the the DT 39928 1320 17 sun sun NN 39928 1320 18 , , , 39928 1320 19 such such JJ 39928 1320 20 as as IN 39928 1320 21 Oxygen Oxygen NNP 39928 1320 22 , , , 39928 1320 23 Chlorine Chlorine NNP 39928 1320 24 , , , 39928 1320 25 Sulphur Sulphur NNP 39928 1320 26 , , , 39928 1320 27 and and CC 39928 1320 28 Phosphorus Phosphorus NNP 39928 1320 29 , , , 39928 1320 30 which which WDT 39928 1320 31 form form VBP 39928 1320 32 the the DT 39928 1320 33 constituents constituent NNS 39928 1320 34 of of IN 39928 1320 35 many many JJ 39928 1320 36 widespread widespread JJ 39928 1320 37 minerals mineral NNS 39928 1320 38 , , , 39928 1320 39 and and CC 39928 1320 40 they -PRON- PRP 39928 1320 41 supply supply VBP 39928 1320 42 important important JJ 39928 1320 43 gaps gap NNS 39928 1320 44 in in IN 39928 1320 45 the the DT 39928 1320 46 series series NN 39928 1320 47 of of IN 39928 1320 48 solar solar JJ 39928 1320 49 and and CC 39928 1320 50 stellar stellar JJ 39928 1320 51 elements element NNS 39928 1320 52 . . . 39928 1321 1 It -PRON- PRP 39928 1321 2 may may MD 39928 1321 3 be be VB 39928 1321 4 noted note VBN 39928 1321 5 that that IN 39928 1321 6 although although IN 39928 1321 7 meteorites meteorite NNS 39928 1321 8 have have VBP 39928 1321 9 supplied supply VBN 39928 1321 10 no no DT 39928 1321 11 new new JJ 39928 1321 12 elements element NNS 39928 1321 13 , , , 39928 1321 14 they -PRON- PRP 39928 1321 15 have have VBP 39928 1321 16 furnished furnish VBN 39928 1321 17 examples example NNS 39928 1321 18 of of IN 39928 1321 19 some some DT 39928 1321 20 new new JJ 39928 1321 21 combinations combination NNS 39928 1321 22 of of IN 39928 1321 23 these these DT 39928 1321 24 elements element NNS 39928 1321 25 forming form VBG 39928 1321 26 minerals mineral NNS 39928 1321 27 distinct distinct JJ 39928 1321 28 from from IN 39928 1321 29 any any DT 39928 1321 30 found find VBN 39928 1321 31 in in IN 39928 1321 32 our -PRON- PRP$ 39928 1321 33 rocks rock NNS 39928 1321 34 . . . 39928 1322 1 The the DT 39928 1322 2 fact fact NN 39928 1322 3 of of IN 39928 1322 4 the the DT 39928 1322 5 occurrence occurrence NN 39928 1322 6 in in IN 39928 1322 7 meteorites meteorite NNS 39928 1322 8 not not RB 39928 1322 9 only only RB 39928 1322 10 of of IN 39928 1322 11 minerals mineral NNS 39928 1322 12 which which WDT 39928 1322 13 are be VBP 39928 1322 14 peculiar peculiar JJ 39928 1322 15 to to IN 39928 1322 16 them -PRON- PRP 39928 1322 17 or or CC 39928 1322 18 are be VBP 39928 1322 19 found find VBN 39928 1322 20 on on IN 39928 1322 21 the the DT 39928 1322 22 earth earth NN 39928 1322 23 , , , 39928 1322 24 but but CC 39928 1322 25 also also RB 39928 1322 26 of of IN 39928 1322 27 structures structure NNS 39928 1322 28 resembling resemble VBG 39928 1322 29 our -PRON- PRP$ 39928 1322 30 breccias breccia NNS 39928 1322 31 , , , 39928 1322 32 veins vein NNS 39928 1322 33 , , , 39928 1322 34 and and CC 39928 1322 35 even even RB 39928 1322 36 slicken slicken VBN 39928 1322 37 - - HYPH 39928 1322 38 side side NN 39928 1322 39 surfaces surface NNS 39928 1322 40 , , , 39928 1322 41 has have VBZ 39928 1322 42 been be VBN 39928 1322 43 held hold VBN 39928 1322 44 to to TO 39928 1322 45 be be VB 39928 1322 46 opposed oppose VBN 39928 1322 47 to to IN 39928 1322 48 the the DT 39928 1322 49 meteoritic meteoritic JJ 39928 1322 50 theory theory NN 39928 1322 51 of of IN 39928 1322 52 the the DT 39928 1322 53 origin origin NN 39928 1322 54 of of IN 39928 1322 55 suns sun NNS 39928 1322 56 and and CC 39928 1322 57 planets planet NNS 39928 1322 58 , , , 39928 1322 59 because because IN 39928 1322 60 meteorites meteorite NNS 39928 1322 61 seem seem VBP 39928 1322 62 to to TO 39928 1322 63 be be VB 39928 1322 64 thus thus RB 39928 1322 65 proved prove VBN 39928 1322 66 to to TO 39928 1322 67 be be VB 39928 1322 68 the the DT 39928 1322 69 fragments fragment NNS 39928 1322 70 of of IN 39928 1322 71 suns sun NNS 39928 1322 72 or or CC 39928 1322 73 worlds world NNS 39928 1322 74 , , , 39928 1322 75 not not RB 39928 1322 76 their -PRON- PRP$ 39928 1322 77 primary primary JJ 39928 1322 78 constituents constituent NNS 39928 1322 79 . . . 39928 1323 1 But but CC 39928 1323 2 these these DT 39928 1323 3 cases case NNS 39928 1323 4 are be VBP 39928 1323 5 exceptional exceptional JJ 39928 1323 6 , , , 39928 1323 7 and and CC 39928 1323 8 Mr. Mr. NNP 39928 1323 9 Sorby Sorby NNP 39928 1323 10 , , , 39928 1323 11 who who WP 39928 1323 12 made make VBD 39928 1323 13 a a DT 39928 1323 14 special special JJ 39928 1323 15 study study NN 39928 1323 16 of of IN 39928 1323 17 meteorites meteorite NNS 39928 1323 18 , , , 39928 1323 19 concluded conclude VBD 39928 1323 20 that that IN 39928 1323 21 their -PRON- PRP$ 39928 1323 22 materials material NNS 39928 1323 23 have have VBP 39928 1323 24 usually usually RB 39928 1323 25 been be VBN 39928 1323 26 in in IN 39928 1323 27 a a DT 39928 1323 28 state state NN 39928 1323 29 of of IN 39928 1323 30 fusion fusion NN 39928 1323 31 or or CC 39928 1323 32 even even RB 39928 1323 33 of of IN 39928 1323 34 vapour vapour NN 39928 1323 35 , , , 39928 1323 36 as as IN 39928 1323 37 they -PRON- PRP 39928 1323 38 now now RB 39928 1323 39 exist exist VBP 39928 1323 40 in in IN 39928 1323 41 the the DT 39928 1323 42 sun sun NN 39928 1323 43 , , , 39928 1323 44 and and CC 39928 1323 45 that that IN 39928 1323 46 they -PRON- PRP 39928 1323 47 became become VBD 39928 1323 48 condensed condense VBN 39928 1323 49 into into IN 39928 1323 50 minute minute JJ 39928 1323 51 globular globular JJ 39928 1323 52 particles particle NNS 39928 1323 53 , , , 39928 1323 54 which which WDT 39928 1323 55 afterwards afterwards RB 39928 1323 56 collected collect VBN 39928 1323 57 into into IN 39928 1323 58 larger large JJR 39928 1323 59 masses masse NNS 39928 1323 60 , , , 39928 1323 61 and and CC 39928 1323 62 may may MD 39928 1323 63 have have VB 39928 1323 64 been be VBN 39928 1323 65 broken break VBN 39928 1323 66 up up RP 39928 1323 67 by by IN 39928 1323 68 mutual mutual JJ 39928 1323 69 impact impact NN 39928 1323 70 , , , 39928 1323 71 and and CC 39928 1323 72 again again RB 39928 1323 73 and and CC 39928 1323 74 again again RB 39928 1323 75 become become VB 39928 1323 76 aggregated aggregated JJ 39928 1323 77 together together RB 39928 1323 78 -- -- : 39928 1323 79 thus thus RB 39928 1323 80 presenting present VBG 39928 1323 81 features feature NNS 39928 1323 82 which which WDT 39928 1323 83 are be VBP 39928 1323 84 completely completely RB 39928 1323 85 in in IN 39928 1323 86 accordance accordance NN 39928 1323 87 with with IN 39928 1323 88 the the DT 39928 1323 89 meteoritic meteoritic JJ 39928 1323 90 theory theory NN 39928 1323 91 . . . 39928 1324 1 But but CC 39928 1324 2 , , , 39928 1324 3 quite quite RB 39928 1324 4 recently recently RB 39928 1324 5 , , , 39928 1324 6 Mr. Mr. NNP 39928 1324 7 T.C. T.C. NNP 39928 1325 1 Chamberlin Chamberlin NNP 39928 1325 2 has have VBZ 39928 1325 3 applied apply VBN 39928 1325 4 the the DT 39928 1325 5 theory theory NN 39928 1325 6 of of IN 39928 1325 7 tidal tidal JJ 39928 1325 8 distortion distortion NN 39928 1325 9 to to IN 39928 1325 10 showing show VBG 39928 1325 11 how how WRB 39928 1325 12 solid solid JJ 39928 1325 13 bodies body NNS 39928 1325 14 in in IN 39928 1325 15 space space NN 39928 1325 16 , , , 39928 1325 17 without without IN 39928 1325 18 ever ever RB 39928 1325 19 coming come VBG 39928 1325 20 into into IN 39928 1325 21 actual actual JJ 39928 1325 22 contact contact NN 39928 1325 23 , , , 39928 1325 24 must must MD 39928 1325 25 sometimes sometimes RB 39928 1325 26 be be VB 39928 1325 27 torn tear VBN 39928 1325 28 apart apart RB 39928 1325 29 or or CC 39928 1325 30 disrupted disrupt VBN 39928 1325 31 into into IN 39928 1325 32 numerous numerous JJ 39928 1325 33 fragments fragment NNS 39928 1325 34 by by IN 39928 1325 35 passing pass VBG 39928 1325 36 near near RB 39928 1325 37 to to IN 39928 1325 38 each each DT 39928 1325 39 other other JJ 39928 1325 40 . . . 39928 1326 1 Especially especially RB 39928 1326 2 when when WRB 39928 1326 3 a a DT 39928 1326 4 small small JJ 39928 1326 5 body body NN 39928 1326 6 passes pass VBZ 39928 1326 7 near near IN 39928 1326 8 a a DT 39928 1326 9 much much RB 39928 1326 10 larger large JJR 39928 1326 11 one one CD 39928 1326 12 , , , 39928 1326 13 there there EX 39928 1326 14 is be VBZ 39928 1326 15 a a DT 39928 1326 16 certain certain JJ 39928 1326 17 distance distance NN 39928 1326 18 of of IN 39928 1326 19 approach approach NN 39928 1326 20 ( ( -LRB- 39928 1326 21 termed term VBN 39928 1326 22 the the DT 39928 1326 23 Roche Roche NNP 39928 1326 24 limit limit NN 39928 1326 25 ) ) -RRB- 39928 1326 26 when when WRB 39928 1326 27 the the DT 39928 1326 28 increasing increase VBG 39928 1326 29 differential differential JJ 39928 1326 30 force force NN 39928 1326 31 of of IN 39928 1326 32 gravity gravity NN 39928 1326 33 will will MD 39928 1326 34 be be VB 39928 1326 35 sufficient sufficient JJ 39928 1326 36 to to TO 39928 1326 37 tear tear VB 39928 1326 38 asunder asunder IN 39928 1326 39 the the DT 39928 1326 40 smaller small JJR 39928 1326 41 body body NN 39928 1326 42 and and CC 39928 1326 43 cause cause VB 39928 1326 44 the the DT 39928 1326 45 fragments fragment NNS 39928 1326 46 either either CC 39928 1326 47 to to TO 39928 1326 48 circulate circulate VB 39928 1326 49 around around IN 39928 1326 50 it -PRON- PRP 39928 1326 51 or or CC 39928 1326 52 to to TO 39928 1326 53 be be VB 39928 1326 54 dispersed disperse VBN 39928 1326 55 in in IN 39928 1326 56 space space NN 39928 1326 57 . . . 39928 1327 1 [ [ -LRB- 39928 1327 2 10 10 CD 39928 1327 3 ] ] -RRB- 39928 1327 4 In in IN 39928 1327 5 this this DT 39928 1327 6 way way NN 39928 1327 7 , , , 39928 1327 8 therefore therefore RB 39928 1327 9 , , , 39928 1327 10 those those DT 39928 1327 11 larger large JJR 39928 1327 12 meteorites meteorite NNS 39928 1327 13 which which WDT 39928 1327 14 exhibit exhibit VBP 39928 1327 15 planetary planetary NN 39928 1327 16 structure structure NN 39928 1327 17 may may MD 39928 1327 18 have have VB 39928 1327 19 been be VBN 39928 1327 20 produced produce VBN 39928 1327 21 . . . 39928 1328 1 Of of RB 39928 1328 2 course course RB 39928 1328 3 they -PRON- PRP 39928 1328 4 would would MD 39928 1328 5 rarely rarely RB 39928 1328 6 have have VB 39928 1328 7 been be VBN 39928 1328 8 true true JJ 39928 1328 9 planets planet NNS 39928 1328 10 attached attach VBN 39928 1328 11 to to IN 39928 1328 12 a a DT 39928 1328 13 sun sun NN 39928 1328 14 , , , 39928 1328 15 but but CC 39928 1328 16 more more RBR 39928 1328 17 frequently frequently RB 39928 1328 18 some some DT 39928 1328 19 of of IN 39928 1328 20 the the DT 39928 1328 21 smaller small JJR 39928 1328 22 dark dark JJ 39928 1328 23 suns sun NNS 39928 1328 24 , , , 39928 1328 25 which which WDT 39928 1328 26 may may MD 39928 1328 27 possess possess VB 39928 1328 28 many many JJ 39928 1328 29 of of IN 39928 1328 30 the the DT 39928 1328 31 physical physical JJ 39928 1328 32 characteristics characteristic NNS 39928 1328 33 of of IN 39928 1328 34 planets planet NNS 39928 1328 35 , , , 39928 1328 36 and and CC 39928 1328 37 of of IN 39928 1328 38 which which WDT 39928 1328 39 there there EX 39928 1328 40 may may MD 39928 1328 41 be be VB 39928 1328 42 myriads myriad NNS 39928 1328 43 in in IN 39928 1328 44 the the DT 39928 1328 45 stellar stellar JJ 39928 1328 46 spaces space NNS 39928 1328 47 . . . 39928 1329 1 On on IN 39928 1329 2 the the DT 39928 1329 3 whole whole NN 39928 1329 4 , , , 39928 1329 5 then then RB 39928 1329 6 , , , 39928 1329 7 we -PRON- PRP 39928 1329 8 have have VBP 39928 1329 9 positive positive JJ 39928 1329 10 knowledge knowledge NN 39928 1329 11 of of IN 39928 1329 12 the the DT 39928 1329 13 existence existence NN 39928 1329 14 , , , 39928 1329 15 in in IN 39928 1329 16 the the DT 39928 1329 17 sun sun NN 39928 1329 18 , , , 39928 1329 19 stars star NNS 39928 1329 20 , , , 39928 1329 21 and and CC 39928 1329 22 planetary planetary NN 39928 1329 23 and and CC 39928 1329 24 stellar stellar JJ 39928 1329 25 spaces space NNS 39928 1329 26 , , , 39928 1329 27 of of IN 39928 1329 28 such such PDT 39928 1329 29 a a DT 39928 1329 30 large large JJ 39928 1329 31 proportion proportion NN 39928 1329 32 of of IN 39928 1329 33 the the DT 39928 1329 34 elements element NNS 39928 1329 35 of of IN 39928 1329 36 our -PRON- PRP$ 39928 1329 37 globe globe NN 39928 1329 38 , , , 39928 1329 39 and and CC 39928 1329 40 so so RB 39928 1329 41 few few JJ 39928 1329 42 indications indication NNS 39928 1329 43 of of IN 39928 1329 44 any any DT 39928 1329 45 not not RB 39928 1329 46 forming form VBG 39928 1329 47 part part NN 39928 1329 48 of of IN 39928 1329 49 it -PRON- PRP 39928 1329 50 , , , 39928 1329 51 that that IN 39928 1329 52 we -PRON- PRP 39928 1329 53 are be VBP 39928 1329 54 justified justify VBN 39928 1329 55 in in IN 39928 1329 56 the the DT 39928 1329 57 statement statement NN 39928 1329 58 , , , 39928 1329 59 that that IN 39928 1329 60 the the DT 39928 1329 61 whole whole JJ 39928 1329 62 stellar stellar JJ 39928 1329 63 universe universe NN 39928 1329 64 is be VBZ 39928 1329 65 , , , 39928 1329 66 broadly broadly RB 39928 1329 67 speaking speak VBG 39928 1329 68 , , , 39928 1329 69 constructed construct VBN 39928 1329 70 of of IN 39928 1329 71 the the DT 39928 1329 72 same same JJ 39928 1329 73 series series NN 39928 1329 74 of of IN 39928 1329 75 elementary elementary JJ 39928 1329 76 substances substance NNS 39928 1329 77 as as IN 39928 1329 78 those those DT 39928 1329 79 we -PRON- PRP 39928 1329 80 can can MD 39928 1329 81 study study VB 39928 1329 82 upon upon IN 39928 1329 83 our -PRON- PRP$ 39928 1329 84 earth earth NN 39928 1329 85 , , , 39928 1329 86 and and CC 39928 1329 87 of of IN 39928 1329 88 which which WDT 39928 1329 89 the the DT 39928 1329 90 whole whole JJ 39928 1329 91 realm realm NN 39928 1329 92 of of IN 39928 1329 93 nature nature NN 39928 1329 94 , , , 39928 1329 95 animal animal NN 39928 1329 96 , , , 39928 1329 97 vegetable vegetable NN 39928 1329 98 , , , 39928 1329 99 and and CC 39928 1329 100 mineral mineral NN 39928 1329 101 , , , 39928 1329 102 is be VBZ 39928 1329 103 composed compose VBN 39928 1329 104 . . . 39928 1330 1 The the DT 39928 1330 2 evidence evidence NN 39928 1330 3 of of IN 39928 1330 4 this this DT 39928 1330 5 identity identity NN 39928 1330 6 of of IN 39928 1330 7 substance substance NN 39928 1330 8 is be VBZ 39928 1330 9 really really RB 39928 1330 10 far far RB 39928 1330 11 more more RBR 39928 1330 12 complete complete JJ 39928 1330 13 than than IN 39928 1330 14 we -PRON- PRP 39928 1330 15 could could MD 39928 1330 16 expect expect VB 39928 1330 17 , , , 39928 1330 18 considering consider VBG 39928 1330 19 the the DT 39928 1330 20 very very RB 39928 1330 21 limited limited JJ 39928 1330 22 means mean NNS 39928 1330 23 of of IN 39928 1330 24 inquiry inquiry NN 39928 1330 25 that that WDT 39928 1330 26 we -PRON- PRP 39928 1330 27 possess possess VBP 39928 1330 28 ; ; : 39928 1330 29 and and CC 39928 1330 30 we -PRON- PRP 39928 1330 31 shall shall MD 39928 1330 32 , , , 39928 1330 33 therefore therefore RB 39928 1330 34 , , , 39928 1330 35 not not RB 39928 1330 36 be be VB 39928 1330 37 justified justify VBN 39928 1330 38 in in IN 39928 1330 39 assuming assume VBG 39928 1330 40 that that IN 39928 1330 41 any any DT 39928 1330 42 important important JJ 39928 1330 43 difference difference NN 39928 1330 44 exists exist VBZ 39928 1330 45 . . . 39928 1331 1 When when WRB 39928 1331 2 we -PRON- PRP 39928 1331 3 pass pass VBP 39928 1331 4 from from IN 39928 1331 5 the the DT 39928 1331 6 elements element NNS 39928 1331 7 of of IN 39928 1331 8 matter matter NN 39928 1331 9 to to IN 39928 1331 10 the the DT 39928 1331 11 laws law NNS 39928 1331 12 which which WDT 39928 1331 13 govern govern VBP 39928 1331 14 it -PRON- PRP 39928 1331 15 , , , 39928 1331 16 we -PRON- PRP 39928 1331 17 also also RB 39928 1331 18 find find VBP 39928 1331 19 the the DT 39928 1331 20 clearest clear JJS 39928 1331 21 proofs proof NNS 39928 1331 22 of of IN 39928 1331 23 identity identity NN 39928 1331 24 . . . 39928 1332 1 That that IN 39928 1332 2 the the DT 39928 1332 3 fundamental fundamental JJ 39928 1332 4 law law NN 39928 1332 5 of of IN 39928 1332 6 gravitation gravitation NN 39928 1332 7 extends extend VBZ 39928 1332 8 to to IN 39928 1332 9 the the DT 39928 1332 10 whole whole JJ 39928 1332 11 physical physical JJ 39928 1332 12 universe universe NN 39928 1332 13 is be VBZ 39928 1332 14 rendered render VBN 39928 1332 15 almost almost RB 39928 1332 16 certain certain JJ 39928 1332 17 by by IN 39928 1332 18 the the DT 39928 1332 19 fact fact NN 39928 1332 20 that that IN 39928 1332 21 double double JJ 39928 1332 22 stars star NNS 39928 1332 23 move move VBP 39928 1332 24 round round IN 39928 1332 25 their -PRON- PRP$ 39928 1332 26 common common JJ 39928 1332 27 centre centre NN 39928 1332 28 of of IN 39928 1332 29 gravity gravity NN 39928 1332 30 in in IN 39928 1332 31 elliptical elliptical JJ 39928 1332 32 orbits orbit NNS 39928 1332 33 which which WDT 39928 1332 34 correspond correspond VBP 39928 1332 35 well well RB 39928 1332 36 with with IN 39928 1332 37 both both DT 39928 1332 38 observation observation NN 39928 1332 39 and and CC 39928 1332 40 calculation calculation NN 39928 1332 41 . . . 39928 1333 1 That that IN 39928 1333 2 the the DT 39928 1333 3 laws law NNS 39928 1333 4 of of IN 39928 1333 5 light light NN 39928 1333 6 are be VBP 39928 1333 7 the the DT 39928 1333 8 same same JJ 39928 1333 9 both both CC 39928 1333 10 here here RB 39928 1333 11 and and CC 39928 1333 12 in in IN 39928 1333 13 inter inter JJ 39928 1333 14 - - JJ 39928 1333 15 planetary planetary JJ 39928 1333 16 space space NN 39928 1333 17 is be VBZ 39928 1333 18 indicated indicate VBN 39928 1333 19 by by IN 39928 1333 20 the the DT 39928 1333 21 fact fact NN 39928 1333 22 that that IN 39928 1333 23 the the DT 39928 1333 24 actual actual JJ 39928 1333 25 measurement measurement NN 39928 1333 26 of of IN 39928 1333 27 the the DT 39928 1333 28 velocity velocity NN 39928 1333 29 of of IN 39928 1333 30 light light NN 39928 1333 31 on on IN 39928 1333 32 the the DT 39928 1333 33 earth earth NN 39928 1333 34 's 's POS 39928 1333 35 surface surface NN 39928 1333 36 gives give VBZ 39928 1333 37 a a DT 39928 1333 38 result result NN 39928 1333 39 so so RB 39928 1333 40 completely completely RB 39928 1333 41 identical identical JJ 39928 1333 42 with with IN 39928 1333 43 that that DT 39928 1333 44 prevailing prevail VBG 39928 1333 45 to to IN 39928 1333 46 the the DT 39928 1333 47 limits limit NNS 39928 1333 48 of of IN 39928 1333 49 the the DT 39928 1333 50 solar solar JJ 39928 1333 51 system system NN 39928 1333 52 , , , 39928 1333 53 that that IN 39928 1333 54 the the DT 39928 1333 55 measurement measurement NN 39928 1333 56 of of IN 39928 1333 57 the the DT 39928 1333 58 sun sun NN 39928 1333 59 's 's POS 39928 1333 60 distance distance NN 39928 1333 61 , , , 39928 1333 62 by by IN 39928 1333 63 means mean NNS 39928 1333 64 of of IN 39928 1333 65 the the DT 39928 1333 66 eclipses eclipse NNS 39928 1333 67 of of IN 39928 1333 68 Jupiter Jupiter NNP 39928 1333 69 's 's POS 39928 1333 70 satellites satellite NNS 39928 1333 71 combined combine VBN 39928 1333 72 with with IN 39928 1333 73 the the DT 39928 1333 74 measured measured JJ 39928 1333 75 velocity velocity NN 39928 1333 76 of of IN 39928 1333 77 light light NN 39928 1333 78 , , , 39928 1333 79 agrees agree VBZ 39928 1333 80 almost almost RB 39928 1333 81 exactly exactly RB 39928 1333 82 with with IN 39928 1333 83 that that DT 39928 1333 84 obtained obtain VBN 39928 1333 85 by by IN 39928 1333 86 means mean NNS 39928 1333 87 of of IN 39928 1333 88 the the DT 39928 1333 89 transits transit NNS 39928 1333 90 of of IN 39928 1333 91 Venus Venus NNP 39928 1333 92 , , , 39928 1333 93 or or CC 39928 1333 94 through through IN 39928 1333 95 our -PRON- PRP$ 39928 1333 96 nearest near JJS 39928 1333 97 approach approach NN 39928 1333 98 to to IN 39928 1333 99 the the DT 39928 1333 100 planets planet NNS 39928 1333 101 Mars Mars NNP 39928 1333 102 or or CC 39928 1333 103 Eros Eros NNP 39928 1333 104 . . . 39928 1334 1 Again again RB 39928 1334 2 , , , 39928 1334 3 the the DT 39928 1334 4 more more RBR 39928 1334 5 recondite recondite JJ 39928 1334 6 laws law NNS 39928 1334 7 of of IN 39928 1334 8 light light NN 39928 1334 9 are be VBP 39928 1334 10 found find VBN 39928 1334 11 to to TO 39928 1334 12 be be VB 39928 1334 13 identical identical JJ 39928 1334 14 in in IN 39928 1334 15 sun sun NN 39928 1334 16 and and CC 39928 1334 17 stars star VBZ 39928 1334 18 with with IN 39928 1334 19 those those DT 39928 1334 20 observed observe VBN 39928 1334 21 within within IN 39928 1334 22 the the DT 39928 1334 23 narrow narrow JJ 39928 1334 24 bounds bound NNS 39928 1334 25 of of IN 39928 1334 26 laboratory laboratory NN 39928 1334 27 experiments experiment NNS 39928 1334 28 . . . 39928 1335 1 The the DT 39928 1335 2 minute minute JJ 39928 1335 3 change change NN 39928 1335 4 of of IN 39928 1335 5 position position NN 39928 1335 6 of of IN 39928 1335 7 spectral spectral JJ 39928 1335 8 lines line NNS 39928 1335 9 caused cause VBN 39928 1335 10 by by IN 39928 1335 11 the the DT 39928 1335 12 source source NN 39928 1335 13 of of IN 39928 1335 14 light light NN 39928 1335 15 moving move VBG 39928 1335 16 towards towards IN 39928 1335 17 or or CC 39928 1335 18 away away RB 39928 1335 19 from from IN 39928 1335 20 us -PRON- PRP 39928 1335 21 enables enable VBZ 39928 1335 22 us -PRON- PRP 39928 1335 23 to to TO 39928 1335 24 determine determine VB 39928 1335 25 this this DT 39928 1335 26 kind kind NN 39928 1335 27 of of IN 39928 1335 28 motion motion NN 39928 1335 29 in in IN 39928 1335 30 the the DT 39928 1335 31 most most RBS 39928 1335 32 distant distant JJ 39928 1335 33 stars star NNS 39928 1335 34 , , , 39928 1335 35 in in IN 39928 1335 36 the the DT 39928 1335 37 planets planet NNS 39928 1335 38 , , , 39928 1335 39 or or CC 39928 1335 40 in in IN 39928 1335 41 the the DT 39928 1335 42 moon moon NN 39928 1335 43 , , , 39928 1335 44 and and CC 39928 1335 45 these these DT 39928 1335 46 results result NNS 39928 1335 47 can can MD 39928 1335 48 be be VB 39928 1335 49 tested test VBN 39928 1335 50 by by IN 39928 1335 51 the the DT 39928 1335 52 motion motion NN 39928 1335 53 of of IN 39928 1335 54 the the DT 39928 1335 55 earth earth NN 39928 1335 56 either either CC 39928 1335 57 in in IN 39928 1335 58 its -PRON- PRP$ 39928 1335 59 orbit orbit NN 39928 1335 60 or or CC 39928 1335 61 in in IN 39928 1335 62 its -PRON- PRP$ 39928 1335 63 rotation rotation NN 39928 1335 64 ; ; , 39928 1335 65 and and CC 39928 1335 66 these these DT 39928 1335 67 latter latter JJ 39928 1335 68 tests test NNS 39928 1335 69 agree agree VBP 39928 1335 70 with with IN 39928 1335 71 the the DT 39928 1335 72 theoretical theoretical JJ 39928 1335 73 determination determination NN 39928 1335 74 of of IN 39928 1335 75 what what WP 39928 1335 76 must must MD 39928 1335 77 occur occur VB 39928 1335 78 , , , 39928 1335 79 dependent dependent JJ 39928 1335 80 on on IN 39928 1335 81 the the DT 39928 1335 82 wave wave NN 39928 1335 83 - - HYPH 39928 1335 84 lengths length NNS 39928 1335 85 of of IN 39928 1335 86 the the DT 39928 1335 87 different different JJ 39928 1335 88 dark dark JJ 39928 1335 89 lines line NNS 39928 1335 90 of of IN 39928 1335 91 the the DT 39928 1335 92 solar solar JJ 39928 1335 93 spectrum spectrum NN 39928 1335 94 determined determine VBN 39928 1335 95 by by IN 39928 1335 96 measurements measurement NNS 39928 1335 97 in in IN 39928 1335 98 the the DT 39928 1335 99 laboratory laboratory NN 39928 1335 100 . . . 39928 1336 1 In in IN 39928 1336 2 like like JJ 39928 1336 3 manner manner NN 39928 1336 4 , , , 39928 1336 5 minute minute NN 39928 1336 6 changes change NNS 39928 1336 7 in in IN 39928 1336 8 the the DT 39928 1336 9 widening widening NN 39928 1336 10 or or CC 39928 1336 11 narrowing narrowing NN 39928 1336 12 of of IN 39928 1336 13 spectral spectral JJ 39928 1336 14 lines line NNS 39928 1336 15 , , , 39928 1336 16 their -PRON- PRP$ 39928 1336 17 splitting splitting NN 39928 1336 18 up up RP 39928 1336 19 , , , 39928 1336 20 their -PRON- PRP$ 39928 1336 21 increase increase NN 39928 1336 22 or or CC 39928 1336 23 decrease decrease NN 39928 1336 24 in in IN 39928 1336 25 number number NN 39928 1336 26 , , , 39928 1336 27 and and CC 39928 1336 28 their -PRON- PRP$ 39928 1336 29 arrangement arrangement NN 39928 1336 30 so so IN 39928 1336 31 as as IN 39928 1336 32 to to TO 39928 1336 33 form form VB 39928 1336 34 flutings fluting NNS 39928 1336 35 , , , 39928 1336 36 can can MD 39928 1336 37 all all DT 39928 1336 38 be be VB 39928 1336 39 interpreted interpret VBN 39928 1336 40 by by IN 39928 1336 41 experiments experiment NNS 39928 1336 42 in in IN 39928 1336 43 the the DT 39928 1336 44 laboratory laboratory NN 39928 1336 45 , , , 39928 1336 46 showing show VBG 39928 1336 47 that that IN 39928 1336 48 such such JJ 39928 1336 49 phenomena phenomenon NNS 39928 1336 50 are be VBP 39928 1336 51 due due JJ 39928 1336 52 to to IN 39928 1336 53 alterations alteration NNS 39928 1336 54 of of IN 39928 1336 55 temperature temperature NN 39928 1336 56 , , , 39928 1336 57 of of IN 39928 1336 58 pressure pressure NN 39928 1336 59 , , , 39928 1336 60 or or CC 39928 1336 61 of of IN 39928 1336 62 the the DT 39928 1336 63 magnetic magnetic JJ 39928 1336 64 field field NN 39928 1336 65 , , , 39928 1336 66 thus thus RB 39928 1336 67 proving prove VBG 39928 1336 68 that that IN 39928 1336 69 the the DT 39928 1336 70 very very RB 39928 1336 71 same same JJ 39928 1336 72 physical physical JJ 39928 1336 73 and and CC 39928 1336 74 chemical chemical JJ 39928 1336 75 laws law NNS 39928 1336 76 act act VBP 39928 1336 77 in in IN 39928 1336 78 the the DT 39928 1336 79 same same JJ 39928 1336 80 way way NN 39928 1336 81 here here RB 39928 1336 82 and and CC 39928 1336 83 in in IN 39928 1336 84 the the DT 39928 1336 85 remotest remote JJS 39928 1336 86 depths depth NNS 39928 1336 87 of of IN 39928 1336 88 space space NN 39928 1336 89 . . . 39928 1337 1 These these DT 39928 1337 2 various various JJ 39928 1337 3 discoveries discovery NNS 39928 1337 4 give give VBP 39928 1337 5 us -PRON- PRP 39928 1337 6 the the DT 39928 1337 7 certain certain JJ 39928 1337 8 conviction conviction NN 39928 1337 9 that that IN 39928 1337 10 the the DT 39928 1337 11 whole whole JJ 39928 1337 12 material material JJ 39928 1337 13 universe universe NN 39928 1337 14 is be VBZ 39928 1337 15 essentially essentially RB 39928 1337 16 one one CD 39928 1337 17 , , , 39928 1337 18 both both CC 39928 1337 19 as as IN 39928 1337 20 regards regard VBZ 39928 1337 21 the the DT 39928 1337 22 action action NN 39928 1337 23 of of IN 39928 1337 24 physical physical JJ 39928 1337 25 and and CC 39928 1337 26 chemical chemical NN 39928 1337 27 laws law NNS 39928 1337 28 , , , 39928 1337 29 and and CC 39928 1337 30 also also RB 39928 1337 31 in in IN 39928 1337 32 its -PRON- PRP$ 39928 1337 33 mechanical mechanical JJ 39928 1337 34 relations relation NNS 39928 1337 35 of of IN 39928 1337 36 form form NN 39928 1337 37 and and CC 39928 1337 38 structure structure NN 39928 1337 39 . . . 39928 1338 1 It -PRON- PRP 39928 1338 2 consists consist VBZ 39928 1338 3 throughout throughout IN 39928 1338 4 of of IN 39928 1338 5 the the DT 39928 1338 6 very very RB 39928 1338 7 same same JJ 39928 1338 8 elements element NNS 39928 1338 9 with with IN 39928 1338 10 which which WDT 39928 1338 11 we -PRON- PRP 39928 1338 12 are be VBP 39928 1338 13 so so RB 39928 1338 14 familiar familiar JJ 39928 1338 15 on on IN 39928 1338 16 our -PRON- PRP$ 39928 1338 17 earth earth NN 39928 1338 18 ; ; : 39928 1338 19 the the DT 39928 1338 20 same same JJ 39928 1338 21 ether ether NN 39928 1338 22 whose whose WP$ 39928 1338 23 vibrations vibration NNS 39928 1338 24 bring bring VBP 39928 1338 25 us -PRON- PRP 39928 1338 26 light light NN 39928 1338 27 and and CC 39928 1338 28 heat heat NN 39928 1338 29 , , , 39928 1338 30 electricity electricity NN 39928 1338 31 and and CC 39928 1338 32 magnetism magnetism NN 39928 1338 33 , , , 39928 1338 34 and and CC 39928 1338 35 a a DT 39928 1338 36 whole whole JJ 39928 1338 37 host host NN 39928 1338 38 of of IN 39928 1338 39 other other JJ 39928 1338 40 mysterious mysterious JJ 39928 1338 41 and and CC 39928 1338 42 as as IN 39928 1338 43 yet yet RB 39928 1338 44 imperfectly imperfectly RB 39928 1338 45 known know VBN 39928 1338 46 forces force NNS 39928 1338 47 ; ; : 39928 1338 48 gravitation gravitation NN 39928 1338 49 acts act VBZ 39928 1338 50 throughout throughout IN 39928 1338 51 its -PRON- PRP$ 39928 1338 52 vast vast JJ 39928 1338 53 extent extent NN 39928 1338 54 ; ; : 39928 1338 55 and and CC 39928 1338 56 in in IN 39928 1338 57 whatever whatever WDT 39928 1338 58 direction direction NN 39928 1338 59 and and CC 39928 1338 60 by by IN 39928 1338 61 whatever whatever WDT 39928 1338 62 means mean VBZ 39928 1338 63 we -PRON- PRP 39928 1338 64 obtain obtain VBP 39928 1338 65 a a DT 39928 1338 66 knowledge knowledge NN 39928 1338 67 of of IN 39928 1338 68 the the DT 39928 1338 69 stellar stellar JJ 39928 1338 70 universe universe NN 39928 1338 71 , , , 39928 1338 72 we -PRON- PRP 39928 1338 73 find find VBP 39928 1338 74 the the DT 39928 1338 75 same same JJ 39928 1338 76 mechanical mechanical JJ 39928 1338 77 , , , 39928 1338 78 physical physical JJ 39928 1338 79 , , , 39928 1338 80 and and CC 39928 1338 81 chemical chemical NN 39928 1338 82 laws law NNS 39928 1338 83 prevailing prevail VBG 39928 1338 84 as as IN 39928 1338 85 upon upon IN 39928 1338 86 our -PRON- PRP$ 39928 1338 87 earth earth NN 39928 1338 88 , , , 39928 1338 89 so so IN 39928 1338 90 that that IN 39928 1338 91 we -PRON- PRP 39928 1338 92 have have VBP 39928 1338 93 in in IN 39928 1338 94 some some DT 39928 1338 95 cases case NNS 39928 1338 96 been be VBN 39928 1338 97 actually actually RB 39928 1338 98 enabled enable VBN 39928 1338 99 to to TO 39928 1338 100 reproduce reproduce VB 39928 1338 101 in in IN 39928 1338 102 our -PRON- PRP$ 39928 1338 103 laboratories laboratory NNS 39928 1338 104 phenomena phenomenon NNS 39928 1338 105 with with IN 39928 1338 106 which which WDT 39928 1338 107 we -PRON- PRP 39928 1338 108 had have VBD 39928 1338 109 first first RB 39928 1338 110 become become VBN 39928 1338 111 acquainted acquaint VBN 39928 1338 112 in in IN 39928 1338 113 the the DT 39928 1338 114 sun sun NN 39928 1338 115 or or CC 39928 1338 116 among among IN 39928 1338 117 the the DT 39928 1338 118 stars star NNS 39928 1338 119 . . . 39928 1339 1 We -PRON- PRP 39928 1339 2 may may MD 39928 1339 3 therefore therefore RB 39928 1339 4 feel feel VB 39928 1339 5 it -PRON- PRP 39928 1339 6 to to TO 39928 1339 7 be be VB 39928 1339 8 an an DT 39928 1339 9 almost almost RB 39928 1339 10 certain certain JJ 39928 1339 11 conclusion conclusion NN 39928 1339 12 that that WDT 39928 1339 13 -- -- : 39928 1339 14 the the DT 39928 1339 15 elements element NNS 39928 1339 16 being be VBG 39928 1339 17 the the DT 39928 1339 18 same same JJ 39928 1339 19 , , , 39928 1339 20 the the DT 39928 1339 21 laws law NNS 39928 1339 22 which which WDT 39928 1339 23 act act VBP 39928 1339 24 upon upon IN 39928 1339 25 , , , 39928 1339 26 and and CC 39928 1339 27 combine combine VB 39928 1339 28 , , , 39928 1339 29 and and CC 39928 1339 30 modify modify VB 39928 1339 31 those those DT 39928 1339 32 elements element NNS 39928 1339 33 being be VBG 39928 1339 34 the the DT 39928 1339 35 same same JJ 39928 1339 36 -- -- : 39928 1339 37 organised organise VBN 39928 1339 38 living live VBG 39928 1339 39 beings being NNS 39928 1339 40 wherever wherever WRB 39928 1339 41 they -PRON- PRP 39928 1339 42 may may MD 39928 1339 43 exist exist VB 39928 1339 44 in in IN 39928 1339 45 this this DT 39928 1339 46 universe universe NN 39928 1339 47 must must MD 39928 1339 48 be be VB 39928 1339 49 , , , 39928 1339 50 fundamentally fundamentally RB 39928 1339 51 , , , 39928 1339 52 and and CC 39928 1339 53 in in IN 39928 1339 54 essential essential JJ 39928 1339 55 nature nature NN 39928 1339 56 , , , 39928 1339 57 the the DT 39928 1339 58 same same JJ 39928 1339 59 also also RB 39928 1339 60 . . . 39928 1340 1 The the DT 39928 1340 2 outward outward JJ 39928 1340 3 forms form NNS 39928 1340 4 of of IN 39928 1340 5 life life NN 39928 1340 6 , , , 39928 1340 7 if if IN 39928 1340 8 they -PRON- PRP 39928 1340 9 exist exist VBP 39928 1340 10 elsewhere elsewhere RB 39928 1340 11 , , , 39928 1340 12 may may MD 39928 1340 13 vary vary VB 39928 1340 14 almost almost RB 39928 1340 15 infinitely infinitely RB 39928 1340 16 , , , 39928 1340 17 as as IN 39928 1340 18 they -PRON- PRP 39928 1340 19 do do VBP 39928 1340 20 vary vary VB 39928 1340 21 on on IN 39928 1340 22 the the DT 39928 1340 23 earth earth NN 39928 1340 24 ; ; : 39928 1340 25 but but CC 39928 1340 26 , , , 39928 1340 27 throughout throughout IN 39928 1340 28 all all PDT 39928 1340 29 this this DT 39928 1340 30 variety variety NN 39928 1340 31 of of IN 39928 1340 32 form form NN 39928 1340 33 -- -- : 39928 1340 34 from from IN 39928 1340 35 fungus fungus NNP 39928 1340 36 or or CC 39928 1340 37 moss moss NNP 39928 1340 38 to to IN 39928 1340 39 rose rose NNP 39928 1340 40 - - HYPH 39928 1340 41 bush bush NNP 39928 1340 42 , , , 39928 1340 43 palm palm NN 39928 1340 44 or or CC 39928 1340 45 oak oak NN 39928 1340 46 ; ; : 39928 1340 47 from from IN 39928 1340 48 mollusc mollusc NNP 39928 1340 49 , , , 39928 1340 50 worm worm NN 39928 1340 51 , , , 39928 1340 52 or or CC 39928 1340 53 butterfly butterfly NN 39928 1340 54 to to IN 39928 1340 55 humming humming NN 39928 1340 56 - - HYPH 39928 1340 57 bird bird NN 39928 1340 58 , , , 39928 1340 59 elephant elephant NN 39928 1340 60 , , , 39928 1340 61 or or CC 39928 1340 62 man man NN 39928 1340 63 -- -- : 39928 1340 64 the the DT 39928 1340 65 biologist biologist NN 39928 1340 66 recognises recognise VBZ 39928 1340 67 a a DT 39928 1340 68 fundamental fundamental JJ 39928 1340 69 unity unity NN 39928 1340 70 of of IN 39928 1340 71 substance substance NN 39928 1340 72 and and CC 39928 1340 73 of of IN 39928 1340 74 structure structure NN 39928 1340 75 , , , 39928 1340 76 dependent dependent JJ 39928 1340 77 on on IN 39928 1340 78 the the DT 39928 1340 79 absolute absolute JJ 39928 1340 80 requirements requirement NNS 39928 1340 81 of of IN 39928 1340 82 the the DT 39928 1340 83 growing growing NN 39928 1340 84 , , , 39928 1340 85 moving move VBG 39928 1340 86 , , , 39928 1340 87 developing develop VBG 39928 1340 88 , , , 39928 1340 89 living live VBG 39928 1340 90 organism organism NN 39928 1340 91 , , , 39928 1340 92 built build VBN 39928 1340 93 up up IN 39928 1340 94 of of IN 39928 1340 95 the the DT 39928 1340 96 same same JJ 39928 1340 97 elements element NNS 39928 1340 98 , , , 39928 1340 99 combined combine VBN 39928 1340 100 in in IN 39928 1340 101 the the DT 39928 1340 102 same same JJ 39928 1340 103 proportions proportion NNS 39928 1340 104 , , , 39928 1340 105 and and CC 39928 1340 106 subject subject JJ 39928 1340 107 to to IN 39928 1340 108 the the DT 39928 1340 109 same same JJ 39928 1340 110 laws law NNS 39928 1340 111 . . . 39928 1341 1 We -PRON- PRP 39928 1341 2 do do VBP 39928 1341 3 not not RB 39928 1341 4 say say VB 39928 1341 5 that that IN 39928 1341 6 organic organic JJ 39928 1341 7 life life NN 39928 1341 8 _ _ NNP 39928 1341 9 could could MD 39928 1341 10 _ _ NNP 39928 1341 11 not not RB 39928 1341 12 exist exist VB 39928 1341 13 under under IN 39928 1341 14 altogether altogether RB 39928 1341 15 diverse diverse JJ 39928 1341 16 conditions condition NNS 39928 1341 17 from from IN 39928 1341 18 those those DT 39928 1341 19 which which WDT 39928 1341 20 we -PRON- PRP 39928 1341 21 know know VBP 39928 1341 22 or or CC 39928 1341 23 can can MD 39928 1341 24 conceive conceive VB 39928 1341 25 , , , 39928 1341 26 conditions condition NNS 39928 1341 27 which which WDT 39928 1341 28 may may MD 39928 1341 29 prevail prevail VB 39928 1341 30 in in IN 39928 1341 31 other other JJ 39928 1341 32 universes universe NNS 39928 1341 33 constructed construct VBN 39928 1341 34 quite quite RB 39928 1341 35 differently differently RB 39928 1341 36 from from IN 39928 1341 37 ours -PRON- PRP 39928 1341 38 , , , 39928 1341 39 where where WRB 39928 1341 40 other other JJ 39928 1341 41 substances substance NNS 39928 1341 42 replace replace VBP 39928 1341 43 the the DT 39928 1341 44 matter matter NN 39928 1341 45 and and CC 39928 1341 46 ether ether NN 39928 1341 47 of of IN 39928 1341 48 our -PRON- PRP$ 39928 1341 49 universe universe NN 39928 1341 50 , , , 39928 1341 51 and and CC 39928 1341 52 where where WRB 39928 1341 53 other other JJ 39928 1341 54 laws law NNS 39928 1341 55 prevail prevail VBP 39928 1341 56 . . . 39928 1342 1 But but CC 39928 1342 2 , , , 39928 1342 3 _ _ NNP 39928 1342 4 within within IN 39928 1342 5 _ _ NNP 39928 1342 6 the the DT 39928 1342 7 universe universe NN 39928 1342 8 we -PRON- PRP 39928 1342 9 know know VBP 39928 1342 10 , , , 39928 1342 11 there there EX 39928 1342 12 is be VBZ 39928 1342 13 not not RB 39928 1342 14 the the DT 39928 1342 15 slightest slight JJS 39928 1342 16 reason reason NN 39928 1342 17 to to TO 39928 1342 18 suppose suppose VB 39928 1342 19 organic organic JJ 39928 1342 20 life life NN 39928 1342 21 to to TO 39928 1342 22 be be VB 39928 1342 23 possible possible JJ 39928 1342 24 , , , 39928 1342 25 except except IN 39928 1342 26 under under IN 39928 1342 27 the the DT 39928 1342 28 same same JJ 39928 1342 29 general general JJ 39928 1342 30 conditions condition NNS 39928 1342 31 and and CC 39928 1342 32 laws law NNS 39928 1342 33 which which WDT 39928 1342 34 prevail prevail VBP 39928 1342 35 here here RB 39928 1342 36 . . . 39928 1343 1 We -PRON- PRP 39928 1343 2 will will MD 39928 1343 3 , , , 39928 1343 4 therefore therefore RB 39928 1343 5 , , , 39928 1343 6 now now RB 39928 1343 7 proceed proceed VBP 39928 1343 8 to to TO 39928 1343 9 describe describe VB 39928 1343 10 , , , 39928 1343 11 very very RB 39928 1343 12 generally generally RB 39928 1343 13 , , , 39928 1343 14 what what WP 39928 1343 15 are be VBP 39928 1343 16 the the DT 39928 1343 17 conditions condition NNS 39928 1343 18 essential essential JJ 39928 1343 19 to to IN 39928 1343 20 the the DT 39928 1343 21 existence existence NN 39928 1343 22 and and CC 39928 1343 23 the the DT 39928 1343 24 continuous continuous JJ 39928 1343 25 development development NN 39928 1343 26 of of IN 39928 1343 27 vegetable vegetable NN 39928 1343 28 and and CC 39928 1343 29 animal animal NN 39928 1343 30 life life NN 39928 1343 31 . . . 39928 1344 1 FOOTNOTE FOOTNOTE NNS 39928 1344 2 : : : 39928 1344 3 [ [ -LRB- 39928 1344 4 10 10 CD 39928 1344 5 ] ] -RRB- 39928 1344 6 _ _ NNP 39928 1344 7 The the DT 39928 1344 8 Astrophysical Astrophysical NNP 39928 1344 9 Journal Journal NNP 39928 1344 10 _ _ NNP 39928 1344 11 , , , 39928 1344 12 vol vol NNP 39928 1344 13 . . . 39928 1345 1 xiv xiv NNP 39928 1345 2 . . NNP 39928 1345 3 , , , 39928 1345 4 July July NNP 39928 1345 5 1901 1901 CD 39928 1345 6 , , , 39928 1345 7 p. p. NN 39928 1345 8 17 17 CD 39928 1345 9 . . . 39928 1346 1 CHAPTER chapter NN 39928 1346 2 X X NNP 39928 1346 3 THE the DT 39928 1346 4 ESSENTIAL ESSENTIAL NNP 39928 1346 5 CHARACTERS character NNS 39928 1346 6 OF of IN 39928 1346 7 THE the DT 39928 1346 8 LIVING living NN 39928 1346 9 ORGANISM organism NN 39928 1346 10 Before before IN 39928 1346 11 trying try VBG 39928 1346 12 to to TO 39928 1346 13 comprehend comprehend VB 39928 1346 14 the the DT 39928 1346 15 physical physical JJ 39928 1346 16 conditions condition NNS 39928 1346 17 on on IN 39928 1346 18 any any DT 39928 1346 19 planet planet NN 39928 1346 20 which which WDT 39928 1346 21 are be VBP 39928 1346 22 essential essential JJ 39928 1346 23 for for IN 39928 1346 24 the the DT 39928 1346 25 development development NN 39928 1346 26 and and CC 39928 1346 27 maintenance maintenance NN 39928 1346 28 of of IN 39928 1346 29 a a DT 39928 1346 30 varied varied JJ 39928 1346 31 and and CC 39928 1346 32 complex complex JJ 39928 1346 33 system system NN 39928 1346 34 of of IN 39928 1346 35 organic organic JJ 39928 1346 36 life life NN 39928 1346 37 comparable comparable JJ 39928 1346 38 to to IN 39928 1346 39 that that DT 39928 1346 40 of of IN 39928 1346 41 our -PRON- PRP$ 39928 1346 42 earth earth NN 39928 1346 43 , , , 39928 1346 44 we -PRON- PRP 39928 1346 45 must must MD 39928 1346 46 obtain obtain VB 39928 1346 47 some some DT 39928 1346 48 knowledge knowledge NN 39928 1346 49 of of IN 39928 1346 50 what what WP 39928 1346 51 life life NN 39928 1346 52 is be VBZ 39928 1346 53 , , , 39928 1346 54 and and CC 39928 1346 55 of of IN 39928 1346 56 the the DT 39928 1346 57 fundamental fundamental JJ 39928 1346 58 nature nature NN 39928 1346 59 and and CC 39928 1346 60 properties property NNS 39928 1346 61 of of IN 39928 1346 62 the the DT 39928 1346 63 living live VBG 39928 1346 64 organism organism NN 39928 1346 65 . . . 39928 1347 1 Physiologists physiologist NNS 39928 1347 2 and and CC 39928 1347 3 philosophers philosopher NNS 39928 1347 4 have have VBP 39928 1347 5 made make VBN 39928 1347 6 many many JJ 39928 1347 7 attempts attempt NNS 39928 1347 8 to to TO 39928 1347 9 define define VB 39928 1347 10 ' ' '' 39928 1347 11 life life NN 39928 1347 12 , , , 39928 1347 13 ' ' '' 39928 1347 14 but but CC 39928 1347 15 in in IN 39928 1347 16 most most JJS 39928 1347 17 cases case NNS 39928 1347 18 in in IN 39928 1347 19 aiming aim VBG 39928 1347 20 at at IN 39928 1347 21 absolute absolute JJ 39928 1347 22 generality generality NN 39928 1347 23 they -PRON- PRP 39928 1347 24 have have VBP 39928 1347 25 been be VBN 39928 1347 26 vague vague JJ 39928 1347 27 and and CC 39928 1347 28 uninstructive uninstructive JJ 39928 1347 29 . . . 39928 1348 1 Thus thus RB 39928 1348 2 De De NNP 39928 1348 3 Blainville Blainville NNP 39928 1348 4 defined define VBD 39928 1348 5 it -PRON- PRP 39928 1348 6 as as IN 39928 1348 7 ' ' `` 39928 1348 8 The the DT 39928 1348 9 twofold twofold JJ 39928 1348 10 internal internal JJ 39928 1348 11 movement movement NN 39928 1348 12 of of IN 39928 1348 13 composition composition NN 39928 1348 14 and and CC 39928 1348 15 decomposition decomposition NN 39928 1348 16 , , , 39928 1348 17 at at IN 39928 1348 18 once once RB 39928 1348 19 general general JJ 39928 1348 20 and and CC 39928 1348 21 continuous continuous JJ 39928 1348 22 ' ' '' 39928 1348 23 ; ; : 39928 1348 24 while while IN 39928 1348 25 Herbert Herbert NNP 39928 1348 26 Spencer Spencer NNP 39928 1348 27 's 's POS 39928 1348 28 latest late JJS 39928 1348 29 definition definition NN 39928 1348 30 was be VBD 39928 1348 31 ' ' `` 39928 1348 32 Life life NN 39928 1348 33 is be VBZ 39928 1348 34 the the DT 39928 1348 35 continuous continuous JJ 39928 1348 36 adjustment adjustment NN 39928 1348 37 of of IN 39928 1348 38 internal internal JJ 39928 1348 39 relations relation NNS 39928 1348 40 to to IN 39928 1348 41 external external JJ 39928 1348 42 relations relation NNS 39928 1348 43 . . . 39928 1348 44 ' ' '' 39928 1349 1 But but CC 39928 1349 2 neither neither DT 39928 1349 3 of of IN 39928 1349 4 these these DT 39928 1349 5 is be VBZ 39928 1349 6 sufficiently sufficiently RB 39928 1349 7 precise precise JJ 39928 1349 8 , , , 39928 1349 9 explanatory explanatory JJ 39928 1349 10 , , , 39928 1349 11 or or CC 39928 1349 12 distinctive distinctive JJ 39928 1349 13 , , , 39928 1349 14 and and CC 39928 1349 15 they -PRON- PRP 39928 1349 16 might may MD 39928 1349 17 almost almost RB 39928 1349 18 be be VB 39928 1349 19 applied apply VBN 39928 1349 20 to to IN 39928 1349 21 the the DT 39928 1349 22 changes change NNS 39928 1349 23 occurring occur VBG 39928 1349 24 in in IN 39928 1349 25 a a DT 39928 1349 26 sun sun NN 39928 1349 27 or or CC 39928 1349 28 planet planet NN 39928 1349 29 , , , 39928 1349 30 or or CC 39928 1349 31 to to IN 39928 1349 32 the the DT 39928 1349 33 elevation elevation NN 39928 1349 34 and and CC 39928 1349 35 gradual gradual JJ 39928 1349 36 formation formation NN 39928 1349 37 of of IN 39928 1349 38 a a DT 39928 1349 39 continent continent NN 39928 1349 40 . . . 39928 1350 1 One one CD 39928 1350 2 of of IN 39928 1350 3 the the DT 39928 1350 4 oldest old JJS 39928 1350 5 definitions definition NNS 39928 1350 6 , , , 39928 1350 7 that that DT 39928 1350 8 of of IN 39928 1350 9 Aristotle Aristotle NNP 39928 1350 10 , , , 39928 1350 11 seems seem VBZ 39928 1350 12 to to TO 39928 1350 13 come come VB 39928 1350 14 nearer nearer VB 39928 1350 15 the the DT 39928 1350 16 mark mark NN 39928 1350 17 : : : 39928 1350 18 ' ' `` 39928 1350 19 Life life NN 39928 1350 20 is be VBZ 39928 1350 21 the the DT 39928 1350 22 assemblage assemblage NN 39928 1350 23 of of IN 39928 1350 24 the the DT 39928 1350 25 operations operation NNS 39928 1350 26 of of IN 39928 1350 27 nutrition nutrition NN 39928 1350 28 , , , 39928 1350 29 growth growth NN 39928 1350 30 , , , 39928 1350 31 and and CC 39928 1350 32 destruction destruction NN 39928 1350 33 . . . 39928 1350 34 ' ' '' 39928 1351 1 But but CC 39928 1351 2 these these DT 39928 1351 3 definitions definition NNS 39928 1351 4 of of IN 39928 1351 5 ' ' `` 39928 1351 6 life life NN 39928 1351 7 ' ' '' 39928 1351 8 are be VBP 39928 1351 9 unsatisfactory unsatisfactory JJ 39928 1351 10 , , , 39928 1351 11 because because IN 39928 1351 12 they -PRON- PRP 39928 1351 13 apply apply VBP 39928 1351 14 to to IN 39928 1351 15 an an DT 39928 1351 16 abstract abstract JJ 39928 1351 17 idea idea NN 39928 1351 18 rather rather RB 39928 1351 19 than than IN 39928 1351 20 to to IN 39928 1351 21 the the DT 39928 1351 22 actual actual JJ 39928 1351 23 living living NN 39928 1351 24 organism organism NN 39928 1351 25 . . . 39928 1352 1 The the DT 39928 1352 2 marvel marvel NN 39928 1352 3 and and CC 39928 1352 4 mystery mystery NN 39928 1352 5 of of IN 39928 1352 6 life life NN 39928 1352 7 , , , 39928 1352 8 as as IN 39928 1352 9 we -PRON- PRP 39928 1352 10 know know VBP 39928 1352 11 it -PRON- PRP 39928 1352 12 , , , 39928 1352 13 resides reside VBZ 39928 1352 14 in in IN 39928 1352 15 the the DT 39928 1352 16 body body NN 39928 1352 17 which which WDT 39928 1352 18 manifests manifest VBZ 39928 1352 19 it -PRON- PRP 39928 1352 20 , , , 39928 1352 21 and and CC 39928 1352 22 this this DT 39928 1352 23 living live VBG 39928 1352 24 body body NN 39928 1352 25 the the DT 39928 1352 26 definitions definition NNS 39928 1352 27 ignore ignore VBP 39928 1352 28 . . . 39928 1353 1 The the DT 39928 1353 2 essential essential JJ 39928 1353 3 points point NNS 39928 1353 4 in in IN 39928 1353 5 the the DT 39928 1353 6 living live VBG 39928 1353 7 body body NN 39928 1353 8 , , , 39928 1353 9 as as IN 39928 1353 10 seen see VBN 39928 1353 11 in in IN 39928 1353 12 its -PRON- PRP$ 39928 1353 13 higher high JJR 39928 1353 14 developments development NNS 39928 1353 15 , , , 39928 1353 16 are be VBP 39928 1353 17 , , , 39928 1353 18 first first RB 39928 1353 19 , , , 39928 1353 20 that that IN 39928 1353 21 it -PRON- PRP 39928 1353 22 consists consist VBZ 39928 1353 23 throughout throughout IN 39928 1353 24 of of IN 39928 1353 25 highly highly RB 39928 1353 26 complex complex JJ 39928 1353 27 but but CC 39928 1353 28 very very RB 39928 1353 29 unstable unstable JJ 39928 1353 30 forms form NNS 39928 1353 31 of of IN 39928 1353 32 matter matter NN 39928 1353 33 , , , 39928 1353 34 every every DT 39928 1353 35 particle particle NN 39928 1353 36 of of IN 39928 1353 37 which which WDT 39928 1353 38 is be VBZ 39928 1353 39 in in IN 39928 1353 40 a a DT 39928 1353 41 continual continual JJ 39928 1353 42 state state NN 39928 1353 43 of of IN 39928 1353 44 growth growth NN 39928 1353 45 or or CC 39928 1353 46 decay decay NN 39928 1353 47 ; ; : 39928 1353 48 that that IN 39928 1353 49 it -PRON- PRP 39928 1353 50 absorbs absorb VBZ 39928 1353 51 or or CC 39928 1353 52 appropriates appropriate VBZ 39928 1353 53 dead dead JJ 39928 1353 54 matter matter NN 39928 1353 55 from from IN 39928 1353 56 without without IN 39928 1353 57 ; ; : 39928 1353 58 takes take VBZ 39928 1353 59 this this DT 39928 1353 60 matter matter NN 39928 1353 61 into into IN 39928 1353 62 the the DT 39928 1353 63 interior interior NN 39928 1353 64 of of IN 39928 1353 65 its -PRON- PRP$ 39928 1353 66 body body NN 39928 1353 67 ; ; : 39928 1353 68 acts act VBZ 39928 1353 69 upon upon IN 39928 1353 70 it -PRON- PRP 39928 1353 71 mechanically mechanically RB 39928 1353 72 and and CC 39928 1353 73 chemically chemically RB 39928 1353 74 , , , 39928 1353 75 rejecting reject VBG 39928 1353 76 what what WP 39928 1353 77 is be VBZ 39928 1353 78 useless useless JJ 39928 1353 79 or or CC 39928 1353 80 hurtful hurtful JJ 39928 1353 81 ; ; : 39928 1353 82 and and CC 39928 1353 83 so so RB 39928 1353 84 transforming transform VBG 39928 1353 85 the the DT 39928 1353 86 remainder remainder NN 39928 1353 87 as as IN 39928 1353 88 to to TO 39928 1353 89 renew renew VB 39928 1353 90 every every DT 39928 1353 91 atom atom NN 39928 1353 92 of of IN 39928 1353 93 its -PRON- PRP$ 39928 1353 94 own own JJ 39928 1353 95 structure structure NN 39928 1353 96 internal internal JJ 39928 1353 97 and and CC 39928 1353 98 external external JJ 39928 1353 99 , , , 39928 1353 100 at at IN 39928 1353 101 the the DT 39928 1353 102 same same JJ 39928 1353 103 time time NN 39928 1353 104 throwing throw VBG 39928 1353 105 off off RP 39928 1353 106 , , , 39928 1353 107 particle particle NN 39928 1353 108 by by IN 39928 1353 109 particle particle NN 39928 1353 110 , , , 39928 1353 111 all all PDT 39928 1353 112 the the DT 39928 1353 113 worn wear VBN 39928 1353 114 - - HYPH 39928 1353 115 out out RP 39928 1353 116 or or CC 39928 1353 117 dead dead JJ 39928 1353 118 portions portion NNS 39928 1353 119 of of IN 39928 1353 120 its -PRON- PRP$ 39928 1353 121 own own JJ 39928 1353 122 substance substance NN 39928 1353 123 . . . 39928 1354 1 Secondly secondly RB 39928 1354 2 , , , 39928 1354 3 in in IN 39928 1354 4 order order NN 39928 1354 5 to to TO 39928 1354 6 be be VB 39928 1354 7 able able JJ 39928 1354 8 to to TO 39928 1354 9 do do VB 39928 1354 10 all all PDT 39928 1354 11 this this DT 39928 1354 12 , , , 39928 1354 13 its -PRON- PRP$ 39928 1354 14 whole whole JJ 39928 1354 15 body body NN 39928 1354 16 is be VBZ 39928 1354 17 permeated permeate VBN 39928 1354 18 throughout throughout IN 39928 1354 19 by by IN 39928 1354 20 branching branch VBG 39928 1354 21 vessels vessel NNS 39928 1354 22 or or CC 39928 1354 23 porous porous JJ 39928 1354 24 tissues tissue NNS 39928 1354 25 , , , 39928 1354 26 by by IN 39928 1354 27 which which WDT 39928 1354 28 liquids liquid NNS 39928 1354 29 and and CC 39928 1354 30 gases gas NNS 39928 1354 31 can can MD 39928 1354 32 reach reach VB 39928 1354 33 every every DT 39928 1354 34 part part NN 39928 1354 35 and and CC 39928 1354 36 carry carry VB 39928 1354 37 on on RP 39928 1354 38 the the DT 39928 1354 39 various various JJ 39928 1354 40 processes process NNS 39928 1354 41 of of IN 39928 1354 42 nutrition nutrition NN 39928 1354 43 and and CC 39928 1354 44 excretion excretion NN 39928 1354 45 above above IN 39928 1354 46 referred refer VBD 39928 1354 47 to to IN 39928 1354 48 . . . 39928 1355 1 As as IN 39928 1355 2 Professor Professor NNP 39928 1355 3 Burdon Burdon NNP 39928 1355 4 Sanderson Sanderson NNP 39928 1355 5 well well RB 39928 1355 6 puts put VBZ 39928 1355 7 it -PRON- PRP 39928 1355 8 : : : 39928 1355 9 ' ' '' 39928 1355 10 The the DT 39928 1355 11 most most RBS 39928 1355 12 distinctive distinctive JJ 39928 1355 13 peculiarity peculiarity NN 39928 1355 14 of of IN 39928 1355 15 living living NN 39928 1355 16 matter matter NN 39928 1355 17 as as IN 39928 1355 18 compared compare VBN 39928 1355 19 with with IN 39928 1355 20 non non JJ 39928 1355 21 - - JJ 39928 1355 22 living living JJ 39928 1355 23 is be VBZ 39928 1355 24 , , , 39928 1355 25 that that IN 39928 1355 26 it -PRON- PRP 39928 1355 27 is be VBZ 39928 1355 28 ever ever RB 39928 1355 29 changing change VBG 39928 1355 30 while while IN 39928 1355 31 ever ever RB 39928 1355 32 the the DT 39928 1355 33 same same JJ 39928 1355 34 . . . 39928 1355 35 ' ' '' 39928 1356 1 And and CC 39928 1356 2 these these DT 39928 1356 3 changes change NNS 39928 1356 4 are be VBP 39928 1356 5 the the DT 39928 1356 6 more more RBR 39928 1356 7 remarkable remarkable JJ 39928 1356 8 because because IN 39928 1356 9 they -PRON- PRP 39928 1356 10 are be VBP 39928 1356 11 accompanied accompany VBN 39928 1356 12 , , , 39928 1356 13 and and CC 39928 1356 14 even even RB 39928 1356 15 produced produce VBN 39928 1356 16 , , , 39928 1356 17 by by IN 39928 1356 18 a a DT 39928 1356 19 very very RB 39928 1356 20 large large JJ 39928 1356 21 amount amount NN 39928 1356 22 of of IN 39928 1356 23 mechanical mechanical JJ 39928 1356 24 work work NN 39928 1356 25 -- -- : 39928 1356 26 in in IN 39928 1356 27 animals animal NNS 39928 1356 28 by by IN 39928 1356 29 means mean NNS 39928 1356 30 of of IN 39928 1356 31 their -PRON- PRP$ 39928 1356 32 normal normal JJ 39928 1356 33 activities activity NNS 39928 1356 34 in in IN 39928 1356 35 search search NN 39928 1356 36 of of IN 39928 1356 37 food food NN 39928 1356 38 , , , 39928 1356 39 in in IN 39928 1356 40 assimilating assimilate VBG 39928 1356 41 that that IN 39928 1356 42 food food NN 39928 1356 43 , , , 39928 1356 44 in in IN 39928 1356 45 continually continually RB 39928 1356 46 renewing renew VBG 39928 1356 47 and and CC 39928 1356 48 building build VBG 39928 1356 49 up up RP 39928 1356 50 their -PRON- PRP$ 39928 1356 51 whole whole JJ 39928 1356 52 organism organism NN 39928 1356 53 , , , 39928 1356 54 and and CC 39928 1356 55 in in IN 39928 1356 56 many many JJ 39928 1356 57 other other JJ 39928 1356 58 ways way NNS 39928 1356 59 ; ; : 39928 1356 60 in in IN 39928 1356 61 plants plant NNS 39928 1356 62 by by IN 39928 1356 63 building build VBG 39928 1356 64 up up RP 39928 1356 65 their -PRON- PRP$ 39928 1356 66 structure structure NN 39928 1356 67 , , , 39928 1356 68 which which WDT 39928 1356 69 often often RB 39928 1356 70 involves involve VBZ 39928 1356 71 raising raise VBG 39928 1356 72 tons ton NNS 39928 1356 73 of of IN 39928 1356 74 material material NN 39928 1356 75 high high NN 39928 1356 76 into into IN 39928 1356 77 the the DT 39928 1356 78 air air NN 39928 1356 79 , , , 39928 1356 80 as as IN 39928 1356 81 in in IN 39928 1356 82 forest forest NN 39928 1356 83 trees tree NNS 39928 1356 84 . . . 39928 1357 1 As as IN 39928 1357 2 a a DT 39928 1357 3 recent recent JJ 39928 1357 4 writer writer NN 39928 1357 5 puts put VBZ 39928 1357 6 it -PRON- PRP 39928 1357 7 : : : 39928 1357 8 ' ' '' 39928 1357 9 The the DT 39928 1357 10 most most RBS 39928 1357 11 prominent prominent JJ 39928 1357 12 , , , 39928 1357 13 and and CC 39928 1357 14 perhaps perhaps RB 39928 1357 15 the the DT 39928 1357 16 most most RBS 39928 1357 17 fundamental fundamental JJ 39928 1357 18 , , , 39928 1357 19 phenomenon phenomenon NN 39928 1357 20 of of IN 39928 1357 21 life life NN 39928 1357 22 is be VBZ 39928 1357 23 what what WP 39928 1357 24 may may MD 39928 1357 25 be be VB 39928 1357 26 described describe VBN 39928 1357 27 as as IN 39928 1357 28 the the DT 39928 1357 29 _ _ NNP 39928 1357 30 Energy Energy NNP 39928 1357 31 Traffic Traffic NNP 39928 1357 32 _ _ NNP 39928 1357 33 or or CC 39928 1357 34 the the DT 39928 1357 35 function function NN 39928 1357 36 of of IN 39928 1357 37 _ _ NNP 39928 1357 38 trading trading NN 39928 1357 39 in in IN 39928 1357 40 energy energy NN 39928 1357 41 _ _ NNP 39928 1357 42 . . . 39928 1358 1 The the DT 39928 1358 2 chief chief JJ 39928 1358 3 physical physical JJ 39928 1358 4 function function NN 39928 1358 5 of of IN 39928 1358 6 living living NN 39928 1358 7 matter matter NN 39928 1358 8 seems seem VBZ 39928 1358 9 to to TO 39928 1358 10 consist consist VB 39928 1358 11 in in IN 39928 1358 12 absorbing absorb VBG 39928 1358 13 energy energy NN 39928 1358 14 , , , 39928 1358 15 storing store VBG 39928 1358 16 it -PRON- PRP 39928 1358 17 in in IN 39928 1358 18 a a DT 39928 1358 19 higher high JJR 39928 1358 20 potential potential JJ 39928 1358 21 state state NN 39928 1358 22 , , , 39928 1358 23 and and CC 39928 1358 24 afterwards afterwards RB 39928 1358 25 partially partially RB 39928 1358 26 expending expend VBG 39928 1358 27 it -PRON- PRP 39928 1358 28 in in IN 39928 1358 29 the the DT 39928 1358 30 kinetic kinetic JJ 39928 1358 31 or or CC 39928 1358 32 active active JJ 39928 1358 33 form form NN 39928 1358 34 . . . 39928 1359 1 ' ' `` 39928 1359 2 [ [ -LRB- 39928 1359 3 11 11 CD 39928 1359 4 ] ] -RRB- 39928 1359 5 Thirdly thirdly RB 39928 1359 6 -- -- : 39928 1359 7 and and CC 39928 1359 8 perhaps perhaps RB 39928 1359 9 most most RBS 39928 1359 10 marvellous marvellous JJ 39928 1359 11 of of IN 39928 1359 12 all all DT 39928 1359 13 -- -- : 39928 1359 14 all all DT 39928 1359 15 living live VBG 39928 1359 16 organisms organism NNS 39928 1359 17 have have VBP 39928 1359 18 the the DT 39928 1359 19 power power NN 39928 1359 20 of of IN 39928 1359 21 reproduction reproduction NN 39928 1359 22 or or CC 39928 1359 23 increase increase NN 39928 1359 24 , , , 39928 1359 25 in in IN 39928 1359 26 the the DT 39928 1359 27 lowest low JJS 39928 1359 28 forms form NNS 39928 1359 29 by by IN 39928 1359 30 a a DT 39928 1359 31 process process NN 39928 1359 32 of of IN 39928 1359 33 self self NN 39928 1359 34 - - HYPH 39928 1359 35 division division NN 39928 1359 36 or or CC 39928 1359 37 ' ' `` 39928 1359 38 fission fission NN 39928 1359 39 , , , 39928 1359 40 ' ' '' 39928 1359 41 as as IN 39928 1359 42 it -PRON- PRP 39928 1359 43 is be VBZ 39928 1359 44 termed term VBN 39928 1359 45 , , , 39928 1359 46 in in IN 39928 1359 47 the the DT 39928 1359 48 higher high JJR 39928 1359 49 by by IN 39928 1359 50 means mean NNS 39928 1359 51 of of IN 39928 1359 52 reproductive reproductive JJ 39928 1359 53 cells cell NNS 39928 1359 54 , , , 39928 1359 55 which which WDT 39928 1359 56 , , , 39928 1359 57 though though IN 39928 1359 58 in in IN 39928 1359 59 their -PRON- PRP$ 39928 1359 60 earliest early JJS 39928 1359 61 stage stage NN 39928 1359 62 quite quite RB 39928 1359 63 indistinguishable indistinguishable JJ 39928 1359 64 physically physically RB 39928 1359 65 or or CC 39928 1359 66 chemically chemically RB 39928 1359 67 in in IN 39928 1359 68 very very RB 39928 1359 69 different different JJ 39928 1359 70 species specie NNS 39928 1359 71 , , , 39928 1359 72 yet yet CC 39928 1359 73 possess possess VBP 39928 1359 74 the the DT 39928 1359 75 mysterious mysterious JJ 39928 1359 76 power power NN 39928 1359 77 of of IN 39928 1359 78 developing develop VBG 39928 1359 79 a a DT 39928 1359 80 perfect perfect JJ 39928 1359 81 organism organism NN 39928 1359 82 , , , 39928 1359 83 identical identical JJ 39928 1359 84 with with IN 39928 1359 85 its -PRON- PRP$ 39928 1359 86 parents parent NNS 39928 1359 87 in in IN 39928 1359 88 all all DT 39928 1359 89 its -PRON- PRP$ 39928 1359 90 parts part NNS 39928 1359 91 , , , 39928 1359 92 shapes shape NNS 39928 1359 93 , , , 39928 1359 94 and and CC 39928 1359 95 organs organ NNS 39928 1359 96 , , , 39928 1359 97 and and CC 39928 1359 98 so so RB 39928 1359 99 wonderfully wonderfully RB 39928 1359 100 resembling resemble VBG 39928 1359 101 them -PRON- PRP 39928 1359 102 , , , 39928 1359 103 that that IN 39928 1359 104 the the DT 39928 1359 105 minutest minute JJS 39928 1359 106 distinctive distinctive JJ 39928 1359 107 details detail NNS 39928 1359 108 of of IN 39928 1359 109 size size NN 39928 1359 110 , , , 39928 1359 111 form form NN 39928 1359 112 , , , 39928 1359 113 and and CC 39928 1359 114 colour colour NN 39928 1359 115 , , , 39928 1359 116 in in IN 39928 1359 117 hair hair NN 39928 1359 118 or or CC 39928 1359 119 feathers feather NNS 39928 1359 120 , , , 39928 1359 121 in in IN 39928 1359 122 teeth tooth NNS 39928 1359 123 or or CC 39928 1359 124 claws claw NNS 39928 1359 125 , , , 39928 1359 126 in in IN 39928 1359 127 scales scale NNS 39928 1359 128 , , , 39928 1359 129 spines spine NNS 39928 1359 130 , , , 39928 1359 131 or or CC 39928 1359 132 crests crest NNS 39928 1359 133 , , , 39928 1359 134 are be VBP 39928 1359 135 reproduced reproduce VBN 39928 1359 136 with with IN 39928 1359 137 very very RB 39928 1359 138 close close JJ 39928 1359 139 accuracy accuracy NN 39928 1359 140 , , , 39928 1359 141 though though IN 39928 1359 142 often often RB 39928 1359 143 involving involve VBG 39928 1359 144 metamorphic metamorphic JJ 39928 1359 145 changes change NNS 39928 1359 146 during during IN 39928 1359 147 growth growth NN 39928 1359 148 of of IN 39928 1359 149 so so RB 39928 1359 150 strange strange JJ 39928 1359 151 a a DT 39928 1359 152 nature nature NN 39928 1359 153 that that WDT 39928 1359 154 , , , 39928 1359 155 if if IN 39928 1359 156 they -PRON- PRP 39928 1359 157 were be VBD 39928 1359 158 not not RB 39928 1359 159 familiar familiar JJ 39928 1359 160 to to IN 39928 1359 161 us -PRON- PRP 39928 1359 162 but but CC 39928 1359 163 were be VBD 39928 1359 164 narrated narrate VBN 39928 1359 165 as as IN 39928 1359 166 occurring occur VBG 39928 1359 167 only only RB 39928 1359 168 in in IN 39928 1359 169 some some DT 39928 1359 170 distant distant JJ 39928 1359 171 and and CC 39928 1359 172 almost almost RB 39928 1359 173 inaccessible inaccessible JJ 39928 1359 174 region region NN 39928 1359 175 , , , 39928 1359 176 would would MD 39928 1359 177 be be VB 39928 1359 178 treated treat VBN 39928 1359 179 as as IN 39928 1359 180 travellers traveller NNS 39928 1359 181 ' ' POS 39928 1359 182 tales tale NNS 39928 1359 183 , , , 39928 1359 184 incredible incredible JJ 39928 1359 185 and and CC 39928 1359 186 impossible impossible JJ 39928 1359 187 as as IN 39928 1359 188 those those DT 39928 1359 189 of of IN 39928 1359 190 Sindbad Sindbad NNP 39928 1359 191 the the DT 39928 1359 192 Sailor Sailor NNP 39928 1359 193 . . . 39928 1360 1 In in IN 39928 1360 2 order order NN 39928 1360 3 that that IN 39928 1360 4 the the DT 39928 1360 5 substance substance NN 39928 1360 6 of of IN 39928 1360 7 living living NN 39928 1360 8 bodies body NNS 39928 1360 9 should should MD 39928 1360 10 be be VB 39928 1360 11 able able JJ 39928 1360 12 to to TO 39928 1360 13 undergo undergo VB 39928 1360 14 these these DT 39928 1360 15 constant constant JJ 39928 1360 16 changes change NNS 39928 1360 17 while while IN 39928 1360 18 preserving preserve VBG 39928 1360 19 the the DT 39928 1360 20 same same JJ 39928 1360 21 form form NN 39928 1360 22 and and CC 39928 1360 23 structure structure NN 39928 1360 24 in in IN 39928 1360 25 minute minute NN 39928 1360 26 details detail NNS 39928 1360 27 -- -- : 39928 1360 28 that that IN 39928 1360 29 they -PRON- PRP 39928 1360 30 should should MD 39928 1360 31 be be VB 39928 1360 32 , , , 39928 1360 33 as as IN 39928 1360 34 it -PRON- PRP 39928 1360 35 were be VBD 39928 1360 36 , , , 39928 1360 37 in in IN 39928 1360 38 a a DT 39928 1360 39 constant constant JJ 39928 1360 40 state state NN 39928 1360 41 of of IN 39928 1360 42 flux flux NN 39928 1360 43 while while IN 39928 1360 44 remaining remain VBG 39928 1360 45 sensibly sensibly RB 39928 1360 46 unchanged unchanged JJ 39928 1360 47 , , , 39928 1360 48 it -PRON- PRP 39928 1360 49 is be VBZ 39928 1360 50 necessary necessary JJ 39928 1360 51 that that IN 39928 1360 52 the the DT 39928 1360 53 molecules molecule NNS 39928 1360 54 of of IN 39928 1360 55 which which WDT 39928 1360 56 they -PRON- PRP 39928 1360 57 are be VBP 39928 1360 58 built build VBN 39928 1360 59 up up RP 39928 1360 60 should should MD 39928 1360 61 be be VB 39928 1360 62 so so RB 39928 1360 63 combined combined JJ 39928 1360 64 as as IN 39928 1360 65 to to TO 39928 1360 66 be be VB 39928 1360 67 easily easily RB 39928 1360 68 separated separate VBN 39928 1360 69 and and CC 39928 1360 70 as as RB 39928 1360 71 easily easily RB 39928 1360 72 united united JJ 39928 1360 73 -- -- : 39928 1360 74 be be VB 39928 1360 75 , , , 39928 1360 76 as as IN 39928 1360 77 it -PRON- PRP 39928 1360 78 is be VBZ 39928 1360 79 termed term VBN 39928 1360 80 , , , 39928 1360 81 _ _ NNP 39928 1360 82 labile labile NN 39928 1360 83 _ _ NNP 39928 1360 84 or or CC 39928 1360 85 flowing flow VBG 39928 1360 86 ; ; : 39928 1360 87 and and CC 39928 1360 88 this this DT 39928 1360 89 is be VBZ 39928 1360 90 brought bring VBN 39928 1360 91 about about RP 39928 1360 92 by by IN 39928 1360 93 their -PRON- PRP$ 39928 1360 94 chemical chemical NN 39928 1360 95 composition composition NN 39928 1360 96 , , , 39928 1360 97 which which WDT 39928 1360 98 , , , 39928 1360 99 while while IN 39928 1360 100 consisting consist VBG 39928 1360 101 of of IN 39928 1360 102 few few JJ 39928 1360 103 elements element NNS 39928 1360 104 , , , 39928 1360 105 is be VBZ 39928 1360 106 yet yet RB 39928 1360 107 highly highly RB 39928 1360 108 complex complex JJ 39928 1360 109 in in IN 39928 1360 110 structure structure NN 39928 1360 111 , , , 39928 1360 112 a a DT 39928 1360 113 large large JJ 39928 1360 114 number number NN 39928 1360 115 of of IN 39928 1360 116 chemical chemical NN 39928 1360 117 atoms atom NNS 39928 1360 118 being be VBG 39928 1360 119 combined combine VBN 39928 1360 120 in in IN 39928 1360 121 an an DT 39928 1360 122 endless endless JJ 39928 1360 123 variety variety NN 39928 1360 124 of of IN 39928 1360 125 ways way NNS 39928 1360 126 . . . 39928 1361 1 The the DT 39928 1361 2 physical physical JJ 39928 1361 3 basis basis NN 39928 1361 4 of of IN 39928 1361 5 life life NN 39928 1361 6 , , , 39928 1361 7 as as IN 39928 1361 8 Huxley Huxley NNP 39928 1361 9 termed term VBD 39928 1361 10 it -PRON- PRP 39928 1361 11 , , , 39928 1361 12 is be VBZ 39928 1361 13 protoplasm protoplasm NN 39928 1361 14 , , , 39928 1361 15 a a DT 39928 1361 16 substance substance NN 39928 1361 17 which which WDT 39928 1361 18 consists consist VBZ 39928 1361 19 essentially essentially RB 39928 1361 20 of of IN 39928 1361 21 only only RB 39928 1361 22 four four CD 39928 1361 23 common common JJ 39928 1361 24 elements element NNS 39928 1361 25 , , , 39928 1361 26 the the DT 39928 1361 27 three three CD 39928 1361 28 gases gas NNS 39928 1361 29 , , , 39928 1361 30 nitrogen nitrogen NN 39928 1361 31 , , , 39928 1361 32 hydrogen hydrogen NN 39928 1361 33 , , , 39928 1361 34 and and CC 39928 1361 35 oxygen oxygen NN 39928 1361 36 , , , 39928 1361 37 with with IN 39928 1361 38 the the DT 39928 1361 39 non non JJ 39928 1361 40 - - JJ 39928 1361 41 metallic metallic JJ 39928 1361 42 solid solid JJ 39928 1361 43 , , , 39928 1361 44 carbon carbon NN 39928 1361 45 ; ; : 39928 1361 46 hence hence RB 39928 1361 47 all all PDT 39928 1361 48 the the DT 39928 1361 49 special special JJ 39928 1361 50 products product NNS 39928 1361 51 of of IN 39928 1361 52 plants plant NNS 39928 1361 53 and and CC 39928 1361 54 animals animal NNS 39928 1361 55 are be VBP 39928 1361 56 termed term VBN 39928 1361 57 carbon carbon NN 39928 1361 58 - - HYPH 39928 1361 59 compounds compound NNS 39928 1361 60 , , , 39928 1361 61 and and CC 39928 1361 62 their -PRON- PRP$ 39928 1361 63 study study NN 39928 1361 64 constitutes constitute VBZ 39928 1361 65 one one CD 39928 1361 66 of of IN 39928 1361 67 the the DT 39928 1361 68 most most RBS 39928 1361 69 extensive extensive JJ 39928 1361 70 and and CC 39928 1361 71 intricate intricate JJ 39928 1361 72 branches branch NNS 39928 1361 73 of of IN 39928 1361 74 modern modern JJ 39928 1361 75 chemistry chemistry NN 39928 1361 76 . . . 39928 1362 1 Their -PRON- PRP$ 39928 1362 2 complexity complexity NN 39928 1362 3 is be VBZ 39928 1362 4 indicated indicate VBN 39928 1362 5 by by IN 39928 1362 6 the the DT 39928 1362 7 fact fact NN 39928 1362 8 that that IN 39928 1362 9 the the DT 39928 1362 10 molecule molecule NN 39928 1362 11 of of IN 39928 1362 12 sugar sugar NN 39928 1362 13 contains contain VBZ 39928 1362 14 45 45 CD 39928 1362 15 , , , 39928 1362 16 and and CC 39928 1362 17 that that DT 39928 1362 18 of of IN 39928 1362 19 stearine stearine NNP 39928 1362 20 no no RB 39928 1362 21 less less JJR 39928 1362 22 than than IN 39928 1362 23 173 173 CD 39928 1362 24 , , , 39928 1362 25 constituent constituent NN 39928 1362 26 atoms atom NNS 39928 1362 27 . . . 39928 1363 1 The the DT 39928 1363 2 chemical chemical NN 39928 1363 3 compounds compound NNS 39928 1363 4 of of IN 39928 1363 5 carbon carbon NN 39928 1363 6 are be VBP 39928 1363 7 far far RB 39928 1363 8 more more RBR 39928 1363 9 numerous numerous JJ 39928 1363 10 than than IN 39928 1363 11 those those DT 39928 1363 12 of of IN 39928 1363 13 all all PDT 39928 1363 14 the the DT 39928 1363 15 other other JJ 39928 1363 16 chemical chemical JJ 39928 1363 17 elements element NNS 39928 1363 18 combined combine VBN 39928 1363 19 ; ; : 39928 1363 20 and and CC 39928 1363 21 it -PRON- PRP 39928 1363 22 is be VBZ 39928 1363 23 this this DT 39928 1363 24 wonderful wonderful JJ 39928 1363 25 variety variety NN 39928 1363 26 and and CC 39928 1363 27 the the DT 39928 1363 28 complexity complexity NN 39928 1363 29 of of IN 39928 1363 30 its -PRON- PRP$ 39928 1363 31 possible possible JJ 39928 1363 32 combinations combination NNS 39928 1363 33 which which WDT 39928 1363 34 explain explain VBP 39928 1363 35 the the DT 39928 1363 36 fact fact NN 39928 1363 37 , , , 39928 1363 38 that that IN 39928 1363 39 all all PDT 39928 1363 40 the the DT 39928 1363 41 various various JJ 39928 1363 42 animal animal NN 39928 1363 43 tissues tissue NNS 39928 1363 44 -- -- : 39928 1363 45 skin skin NN 39928 1363 46 , , , 39928 1363 47 horn horn NN 39928 1363 48 , , , 39928 1363 49 hair hair NN 39928 1363 50 , , , 39928 1363 51 nails nail NNS 39928 1363 52 , , , 39928 1363 53 teeth tooth NNS 39928 1363 54 , , , 39928 1363 55 muscle muscle NN 39928 1363 56 , , , 39928 1363 57 nerve nerve NN 39928 1363 58 , , , 39928 1363 59 etc etc FW 39928 1363 60 . . FW 39928 1363 61 , , , 39928 1363 62 consist consist VB 39928 1363 63 of of IN 39928 1363 64 the the DT 39928 1363 65 same same JJ 39928 1363 66 four four CD 39928 1363 67 elements element NNS 39928 1363 68 ( ( -LRB- 39928 1363 69 with with IN 39928 1363 70 occasionally occasionally RB 39928 1363 71 minute minute JJ 39928 1363 72 quantities quantity NNS 39928 1363 73 of of IN 39928 1363 74 sulphur sulphur NNP 39928 1363 75 , , , 39928 1363 76 phosphorus phosphorus NN 39928 1363 77 , , , 39928 1363 78 lime lime NN 39928 1363 79 , , , 39928 1363 80 or or CC 39928 1363 81 silica silica NN 39928 1363 82 , , , 39928 1363 83 in in IN 39928 1363 84 some some DT 39928 1363 85 of of IN 39928 1363 86 them -PRON- PRP 39928 1363 87 ) ) -RRB- 39928 1363 88 , , , 39928 1363 89 as as IN 39928 1363 90 proved prove VBN 39928 1363 91 by by IN 39928 1363 92 the the DT 39928 1363 93 marvellous marvellous JJ 39928 1363 94 fact fact NN 39928 1363 95 that that IN 39928 1363 96 these these DT 39928 1363 97 tissues tissue NNS 39928 1363 98 are be VBP 39928 1363 99 all all RB 39928 1363 100 produced produce VBN 39928 1363 101 as as RB 39928 1363 102 well well RB 39928 1363 103 by by IN 39928 1363 104 the the DT 39928 1363 105 grass grass NN 39928 1363 106 - - HYPH 39928 1363 107 eating eat VBG 39928 1363 108 sheep sheep NN 39928 1363 109 or or CC 39928 1363 110 ox ox NN 39928 1363 111 as as IN 39928 1363 112 by by IN 39928 1363 113 the the DT 39928 1363 114 fish fish NN 39928 1363 115 or or CC 39928 1363 116 flesh flesh NN 39928 1363 117 - - HYPH 39928 1363 118 eating eat VBG 39928 1363 119 seal seal NN 39928 1363 120 or or CC 39928 1363 121 tiger tiger NN 39928 1363 122 . . . 39928 1364 1 And and CC 39928 1364 2 the the DT 39928 1364 3 marvel marvel NN 39928 1364 4 is be VBZ 39928 1364 5 still still RB 39928 1364 6 further far RBR 39928 1364 7 increased increase VBN 39928 1364 8 when when WRB 39928 1364 9 we -PRON- PRP 39928 1364 10 consider consider VBP 39928 1364 11 that that IN 39928 1364 12 the the DT 39928 1364 13 innumerable innumerable JJ 39928 1364 14 diverse diverse JJ 39928 1364 15 substances substance NNS 39928 1364 16 produced produce VBN 39928 1364 17 by by IN 39928 1364 18 plants plant NNS 39928 1364 19 and and CC 39928 1364 20 animals animal NNS 39928 1364 21 are be VBP 39928 1364 22 all all DT 39928 1364 23 formed form VBN 39928 1364 24 out out IN 39928 1364 25 of of IN 39928 1364 26 the the DT 39928 1364 27 same same JJ 39928 1364 28 three three CD 39928 1364 29 or or CC 39928 1364 30 four four CD 39928 1364 31 elements element NNS 39928 1364 32 . . . 39928 1365 1 Such such JJ 39928 1365 2 are be VBP 39928 1365 3 the the DT 39928 1365 4 endless endless JJ 39928 1365 5 variety variety NN 39928 1365 6 of of IN 39928 1365 7 organic organic JJ 39928 1365 8 acids acid NNS 39928 1365 9 , , , 39928 1365 10 from from IN 39928 1365 11 prussic prussic JJ 39928 1365 12 acid acid NN 39928 1365 13 to to IN 39928 1365 14 those those DT 39928 1365 15 of of IN 39928 1365 16 the the DT 39928 1365 17 various various JJ 39928 1365 18 fruits fruit NNS 39928 1365 19 ; ; : 39928 1365 20 the the DT 39928 1365 21 many many JJ 39928 1365 22 kinds kind NNS 39928 1365 23 of of IN 39928 1365 24 sugars sugar NNS 39928 1365 25 , , , 39928 1365 26 gums gum NNS 39928 1365 27 , , , 39928 1365 28 and and CC 39928 1365 29 starches starch NNS 39928 1365 30 ; ; : 39928 1365 31 the the DT 39928 1365 32 number number NN 39928 1365 33 of of IN 39928 1365 34 different different JJ 39928 1365 35 kinds kind NNS 39928 1365 36 of of IN 39928 1365 37 oil oil NN 39928 1365 38 , , , 39928 1365 39 wax wax NN 39928 1365 40 , , , 39928 1365 41 etc etc FW 39928 1365 42 . . . 39928 1366 1 ; ; : 39928 1366 2 the the DT 39928 1366 3 variety variety NN 39928 1366 4 of of IN 39928 1366 5 essential essential JJ 39928 1366 6 oils oil NNS 39928 1366 7 which which WDT 39928 1366 8 are be VBP 39928 1366 9 mostly mostly RB 39928 1366 10 forms form NNS 39928 1366 11 of of IN 39928 1366 12 turpentines turpentine NNS 39928 1366 13 , , , 39928 1366 14 with with IN 39928 1366 15 such such JJ 39928 1366 16 substances substance NNS 39928 1366 17 as as IN 39928 1366 18 camphor camphor NNP 39928 1366 19 , , , 39928 1366 20 resins resin NNS 39928 1366 21 , , , 39928 1366 22 caoutchouc caoutchouc NN 39928 1366 23 , , , 39928 1366 24 and and CC 39928 1366 25 gutta gutta NN 39928 1366 26 - - HYPH 39928 1366 27 percha percha NN 39928 1366 28 ; ; : 39928 1366 29 and and CC 39928 1366 30 the the DT 39928 1366 31 extensive extensive JJ 39928 1366 32 series series NN 39928 1366 33 of of IN 39928 1366 34 vegetable vegetable NN 39928 1366 35 alkaloids alkaloid NNS 39928 1366 36 , , , 39928 1366 37 such such JJ 39928 1366 38 as as IN 39928 1366 39 nicotine nicotine NN 39928 1366 40 from from IN 39928 1366 41 tobacco tobacco NN 39928 1366 42 , , , 39928 1366 43 morphine morphine NN 39928 1366 44 from from IN 39928 1366 45 opium opium NN 39928 1366 46 , , , 39928 1366 47 strychnine strychnine NN 39928 1366 48 , , , 39928 1366 49 curarine curarine NN 39928 1366 50 , , , 39928 1366 51 and and CC 39928 1366 52 other other JJ 39928 1366 53 poisons poison NNS 39928 1366 54 ; ; : 39928 1366 55 quinine quinine NNP 39928 1366 56 , , , 39928 1366 57 belladonna belladonna NN 39928 1366 58 , , , 39928 1366 59 and and CC 39928 1366 60 similar similar JJ 39928 1366 61 medicinal medicinal JJ 39928 1366 62 alkaloids alkaloid NNS 39928 1366 63 ; ; : 39928 1366 64 together together RB 39928 1366 65 with with IN 39928 1366 66 the the DT 39928 1366 67 essential essential JJ 39928 1366 68 principles principle NNS 39928 1366 69 of of IN 39928 1366 70 our -PRON- PRP$ 39928 1366 71 refreshing refreshing JJ 39928 1366 72 drinks drink NNS 39928 1366 73 , , , 39928 1366 74 tea tea NN 39928 1366 75 , , , 39928 1366 76 coffee coffee NN 39928 1366 77 , , , 39928 1366 78 and and CC 39928 1366 79 cocoa cocoa NN 39928 1366 80 , , , 39928 1366 81 and and CC 39928 1366 82 others other NNS 39928 1366 83 too too RB 39928 1366 84 numerous numerous JJ 39928 1366 85 to to TO 39928 1366 86 be be VB 39928 1366 87 named name VBN 39928 1366 88 here here RB 39928 1366 89 -- -- : 39928 1366 90 all all DT 39928 1366 91 alike alike RB 39928 1366 92 consisting consist VBG 39928 1366 93 solely solely RB 39928 1366 94 of of IN 39928 1366 95 the the DT 39928 1366 96 four four CD 39928 1366 97 common common JJ 39928 1366 98 elements element NNS 39928 1366 99 from from IN 39928 1366 100 which which WDT 39928 1366 101 almost almost RB 39928 1366 102 our -PRON- PRP$ 39928 1366 103 whole whole JJ 39928 1366 104 organism organism NN 39928 1366 105 is be VBZ 39928 1366 106 built build VBN 39928 1366 107 up up RP 39928 1366 108 . . . 39928 1367 1 If if IN 39928 1367 2 this this DT 39928 1367 3 were be VBD 39928 1367 4 not not RB 39928 1367 5 indisputably indisputably RB 39928 1367 6 proved prove VBN 39928 1367 7 , , , 39928 1367 8 it -PRON- PRP 39928 1367 9 would would MD 39928 1367 10 scarcely scarcely RB 39928 1367 11 be be VB 39928 1367 12 credited credit VBN 39928 1367 13 . . . 39928 1368 1 Professor Professor NNP 39928 1368 2 F.J. F.J. NNP 39928 1368 3 Allen Allen NNP 39928 1368 4 considers consider VBZ 39928 1368 5 that that IN 39928 1368 6 the the DT 39928 1368 7 most most RBS 39928 1368 8 important important JJ 39928 1368 9 element element NN 39928 1368 10 in in IN 39928 1368 11 protoplasm protoplasm NN 39928 1368 12 , , , 39928 1368 13 and and CC 39928 1368 14 that that IN 39928 1368 15 which which WDT 39928 1368 16 confers confer VBZ 39928 1368 17 upon upon IN 39928 1368 18 it -PRON- PRP 39928 1368 19 its -PRON- PRP$ 39928 1368 20 most most RBS 39928 1368 21 essential essential JJ 39928 1368 22 properties property NNS 39928 1368 23 in in IN 39928 1368 24 the the DT 39928 1368 25 living living NN 39928 1368 26 organism organism NN 39928 1368 27 -- -- : 39928 1368 28 its -PRON- PRP$ 39928 1368 29 extreme extreme JJ 39928 1368 30 mobility mobility NN 39928 1368 31 and and CC 39928 1368 32 transposibility transposibility NN 39928 1368 33 -- -- : 39928 1368 34 is be VBZ 39928 1368 35 nitrogen nitrogen NN 39928 1368 36 . . . 39928 1369 1 This this DT 39928 1369 2 element element NN 39928 1369 3 , , , 39928 1369 4 though though IN 39928 1369 5 inert inert RB 39928 1369 6 in in IN 39928 1369 7 itself -PRON- PRP 39928 1369 8 , , , 39928 1369 9 readily readily RB 39928 1369 10 enters enter VBZ 39928 1369 11 into into IN 39928 1369 12 compounds compound NNS 39928 1369 13 when when WRB 39928 1369 14 energy energy NN 39928 1369 15 is be VBZ 39928 1369 16 supplied supply VBN 39928 1369 17 to to IN 39928 1369 18 it -PRON- PRP 39928 1369 19 , , , 39928 1369 20 the the DT 39928 1369 21 most most RBS 39928 1369 22 striking striking JJ 39928 1369 23 illustration illustration NN 39928 1369 24 of of IN 39928 1369 25 which which WDT 39928 1369 26 is be VBZ 39928 1369 27 the the DT 39928 1369 28 formation formation NN 39928 1369 29 of of IN 39928 1369 30 ammonia ammonia NNP 39928 1369 31 , , , 39928 1369 32 a a DT 39928 1369 33 compound compound NN 39928 1369 34 of of IN 39928 1369 35 nitrogen nitrogen NN 39928 1369 36 and and CC 39928 1369 37 hydrogen hydrogen NN 39928 1369 38 , , , 39928 1369 39 produced produce VBN 39928 1369 40 by by IN 39928 1369 41 electric electric JJ 39928 1369 42 discharges discharge NNS 39928 1369 43 through through IN 39928 1369 44 the the DT 39928 1369 45 atmosphere atmosphere NN 39928 1369 46 . . . 39928 1370 1 Ammonia Ammonia NNP 39928 1370 2 , , , 39928 1370 3 and and CC 39928 1370 4 certain certain JJ 39928 1370 5 oxides oxide NNS 39928 1370 6 of of IN 39928 1370 7 nitrogen nitrogen NN 39928 1370 8 produced produce VBN 39928 1370 9 in in IN 39928 1370 10 the the DT 39928 1370 11 atmosphere atmosphere NN 39928 1370 12 in in IN 39928 1370 13 the the DT 39928 1370 14 same same JJ 39928 1370 15 way way NN 39928 1370 16 , , , 39928 1370 17 are be VBP 39928 1370 18 the the DT 39928 1370 19 chief chief JJ 39928 1370 20 sources source NNS 39928 1370 21 of of IN 39928 1370 22 the the DT 39928 1370 23 nitrogen nitrogen NN 39928 1370 24 assimilated assimilate VBN 39928 1370 25 by by IN 39928 1370 26 plants plant NNS 39928 1370 27 , , , 39928 1370 28 and and CC 39928 1370 29 through through IN 39928 1370 30 them -PRON- PRP 39928 1370 31 by by IN 39928 1370 32 animals animal NNS 39928 1370 33 ; ; , 39928 1370 34 for for IN 39928 1370 35 although although IN 39928 1370 36 plants plant NNS 39928 1370 37 are be VBP 39928 1370 38 continually continually RB 39928 1370 39 in in IN 39928 1370 40 contact contact NN 39928 1370 41 with with IN 39928 1370 42 the the DT 39928 1370 43 free free JJ 39928 1370 44 nitrogen nitrogen NN 39928 1370 45 of of IN 39928 1370 46 the the DT 39928 1370 47 atmosphere atmosphere NN 39928 1370 48 , , , 39928 1370 49 they -PRON- PRP 39928 1370 50 are be VBP 39928 1370 51 unable unable JJ 39928 1370 52 to to TO 39928 1370 53 absorb absorb VB 39928 1370 54 it -PRON- PRP 39928 1370 55 . . . 39928 1371 1 By by IN 39928 1371 2 their -PRON- PRP$ 39928 1371 3 leaves leave NNS 39928 1371 4 they -PRON- PRP 39928 1371 5 absorb absorb VBP 39928 1371 6 oxygen oxygen NN 39928 1371 7 and and CC 39928 1371 8 carbon carbon NN 39928 1371 9 - - HYPH 39928 1371 10 dioxide dioxide NN 39928 1371 11 to to TO 39928 1371 12 build build VB 39928 1371 13 up up RP 39928 1371 14 their -PRON- PRP$ 39928 1371 15 woody woody NN 39928 1371 16 tissues tissue NNS 39928 1371 17 , , , 39928 1371 18 while while IN 39928 1371 19 by by IN 39928 1371 20 their -PRON- PRP$ 39928 1371 21 roots root NNS 39928 1371 22 they -PRON- PRP 39928 1371 23 absorb absorb VBP 39928 1371 24 water water NN 39928 1371 25 in in IN 39928 1371 26 which which WDT 39928 1371 27 ammonia ammonia NNP 39928 1371 28 and and CC 39928 1371 29 oxides oxide NNS 39928 1371 30 of of IN 39928 1371 31 nitrogen nitrogen NN 39928 1371 32 are be VBP 39928 1371 33 dissolved dissolve VBN 39928 1371 34 , , , 39928 1371 35 and and CC 39928 1371 36 from from IN 39928 1371 37 these these DT 39928 1371 38 they -PRON- PRP 39928 1371 39 produce produce VBP 39928 1371 40 the the DT 39928 1371 41 protoplasm protoplasm NN 39928 1371 42 which which WDT 39928 1371 43 builds build VBZ 39928 1371 44 up up RP 39928 1371 45 the the DT 39928 1371 46 whole whole JJ 39928 1371 47 substance substance NN 39928 1371 48 of of IN 39928 1371 49 the the DT 39928 1371 50 animal animal NN 39928 1371 51 world world NN 39928 1371 52 . . . 39928 1372 1 The the DT 39928 1372 2 energy energy NN 39928 1372 3 required require VBN 39928 1372 4 to to TO 39928 1372 5 produce produce VB 39928 1372 6 these these DT 39928 1372 7 nitrogen nitrogen NN 39928 1372 8 - - HYPH 39928 1372 9 compounds compound NNS 39928 1372 10 is be VBZ 39928 1372 11 given give VBN 39928 1372 12 up up RP 39928 1372 13 by by IN 39928 1372 14 them -PRON- PRP 39928 1372 15 when when WRB 39928 1372 16 undergoing undergo VBG 39928 1372 17 further further JJ 39928 1372 18 changes change NNS 39928 1372 19 , , , 39928 1372 20 and and CC 39928 1372 21 thus thus RB 39928 1372 22 the the DT 39928 1372 23 production production NN 39928 1372 24 of of IN 39928 1372 25 ammonia ammonia NN 39928 1372 26 by by IN 39928 1372 27 electricity electricity NN 39928 1372 28 in in IN 39928 1372 29 the the DT 39928 1372 30 atmosphere atmosphere NN 39928 1372 31 , , , 39928 1372 32 and and CC 39928 1372 33 its -PRON- PRP$ 39928 1372 34 being be VBG 39928 1372 35 carried carry VBN 39928 1372 36 by by IN 39928 1372 37 rain rain NN 39928 1372 38 into into IN 39928 1372 39 the the DT 39928 1372 40 soil soil NN 39928 1372 41 , , , 39928 1372 42 constitute constitute VB 39928 1372 43 the the DT 39928 1372 44 first first JJ 39928 1372 45 steps step NNS 39928 1372 46 in in IN 39928 1372 47 that that DT 39928 1372 48 long long JJ 39928 1372 49 series series NN 39928 1372 50 of of IN 39928 1372 51 operations operation NNS 39928 1372 52 which which WDT 39928 1372 53 culminates culminate VBZ 39928 1372 54 in in IN 39928 1372 55 the the DT 39928 1372 56 production production NN 39928 1372 57 of of IN 39928 1372 58 the the DT 39928 1372 59 higher high JJR 39928 1372 60 forms form NNS 39928 1372 61 of of IN 39928 1372 62 life life NN 39928 1372 63 . . . 39928 1373 1 But but CC 39928 1373 2 the the DT 39928 1373 3 remarkable remarkable JJ 39928 1373 4 transformations transformation NNS 39928 1373 5 and and CC 39928 1373 6 combinations combination NNS 39928 1373 7 continually continually RB 39928 1373 8 going go VBG 39928 1373 9 on on RP 39928 1373 10 in in IN 39928 1373 11 every every DT 39928 1373 12 living living NN 39928 1373 13 body body NN 39928 1373 14 , , , 39928 1373 15 which which WDT 39928 1373 16 are be VBP 39928 1373 17 , , , 39928 1373 18 in in IN 39928 1373 19 fact fact NN 39928 1373 20 , , , 39928 1373 21 the the DT 39928 1373 22 essential essential JJ 39928 1373 23 conditions condition NNS 39928 1373 24 of of IN 39928 1373 25 its -PRON- PRP$ 39928 1373 26 life life NN 39928 1373 27 , , , 39928 1373 28 are be VBP 39928 1373 29 themselves -PRON- PRP 39928 1373 30 dependent dependent JJ 39928 1373 31 on on IN 39928 1373 32 certain certain JJ 39928 1373 33 physical physical JJ 39928 1373 34 conditions condition NNS 39928 1373 35 which which WDT 39928 1373 36 must must MD 39928 1373 37 be be VB 39928 1373 38 always always RB 39928 1373 39 present present JJ 39928 1373 40 . . . 39928 1374 1 Professor Professor NNP 39928 1374 2 Allen Allen NNP 39928 1374 3 remarks remark VBZ 39928 1374 4 : : : 39928 1374 5 ' ' '' 39928 1374 6 The the DT 39928 1374 7 sensitiveness sensitiveness NN 39928 1374 8 of of IN 39928 1374 9 nitrogen nitrogen NN 39928 1374 10 , , , 39928 1374 11 its -PRON- PRP$ 39928 1374 12 proneness proneness NN 39928 1374 13 to to TO 39928 1374 14 change change VB 39928 1374 15 its -PRON- PRP$ 39928 1374 16 state state NN 39928 1374 17 of of IN 39928 1374 18 combination combination NN 39928 1374 19 and and CC 39928 1374 20 energy energy NN 39928 1374 21 , , , 39928 1374 22 appear appear VB 39928 1374 23 to to TO 39928 1374 24 depend depend VB 39928 1374 25 on on IN 39928 1374 26 certain certain JJ 39928 1374 27 conditions condition NNS 39928 1374 28 of of IN 39928 1374 29 temperature temperature NN 39928 1374 30 , , , 39928 1374 31 pressure pressure NN 39928 1374 32 , , , 39928 1374 33 etc etc FW 39928 1374 34 . . FW 39928 1374 35 , , , 39928 1374 36 which which WDT 39928 1374 37 exist exist VBP 39928 1374 38 at at IN 39928 1374 39 the the DT 39928 1374 40 surface surface NN 39928 1374 41 of of IN 39928 1374 42 this this DT 39928 1374 43 earth earth NN 39928 1374 44 . . . 39928 1375 1 Most Most JJS 39928 1375 2 vital vital JJ 39928 1375 3 phenomena phenomenon NNS 39928 1375 4 occur occur VBP 39928 1375 5 between between IN 39928 1375 6 the the DT 39928 1375 7 temperature temperature NN 39928 1375 8 of of IN 39928 1375 9 freezing freeze VBG 39928 1375 10 water water NN 39928 1375 11 and and CC 39928 1375 12 104 104 CD 39928 1375 13 ° ° , 39928 1375 14 F. F. NNP 39928 1375 15 If if IN 39928 1375 16 the the DT 39928 1375 17 general general JJ 39928 1375 18 temperature temperature NN 39928 1375 19 of of IN 39928 1375 20 the the DT 39928 1375 21 earth earth NN 39928 1375 22 's 's POS 39928 1375 23 surface surface NN 39928 1375 24 rose rise VBD 39928 1375 25 or or CC 39928 1375 26 fell fall VBD 39928 1375 27 72 72 CD 39928 1375 28 ° ° , 39928 1375 29 F. F. NNP 39928 1375 30 ( ( -LRB- 39928 1375 31 a a DT 39928 1375 32 small small JJ 39928 1375 33 amount amount NN 39928 1375 34 relatively relatively RB 39928 1375 35 ) ) -RRB- 39928 1375 36 , , , 39928 1375 37 the the DT 39928 1375 38 whole whole JJ 39928 1375 39 course course NN 39928 1375 40 of of IN 39928 1375 41 life life NN 39928 1375 42 would would MD 39928 1375 43 be be VB 39928 1375 44 changed change VBN 39928 1375 45 , , , 39928 1375 46 even even RB 39928 1375 47 perchance perchance RB 39928 1375 48 to to IN 39928 1375 49 extinction extinction NN 39928 1375 50 . . . 39928 1375 51 ' ' '' 39928 1376 1 Another another DT 39928 1376 2 important important JJ 39928 1376 3 , , , 39928 1376 4 and and CC 39928 1376 5 even even RB 39928 1376 6 more more RBR 39928 1376 7 essential essential JJ 39928 1376 8 fact fact NN 39928 1376 9 , , , 39928 1376 10 in in IN 39928 1376 11 connection connection NN 39928 1376 12 with with IN 39928 1376 13 life life NN 39928 1376 14 , , , 39928 1376 15 is be VBZ 39928 1376 16 the the DT 39928 1376 17 existence existence NN 39928 1376 18 in in IN 39928 1376 19 the the DT 39928 1376 20 atmosphere atmosphere NN 39928 1376 21 of of IN 39928 1376 22 a a DT 39928 1376 23 small small JJ 39928 1376 24 but but CC 39928 1376 25 nearly nearly RB 39928 1376 26 constant constant JJ 39928 1376 27 proportion proportion NN 39928 1376 28 of of IN 39928 1376 29 carbonic carbonic JJ 39928 1376 30 acid acid NN 39928 1376 31 gas gas NN 39928 1376 32 , , , 39928 1376 33 this this DT 39928 1376 34 being be VBG 39928 1376 35 the the DT 39928 1376 36 source source NN 39928 1376 37 from from IN 39928 1376 38 which which WDT 39928 1376 39 the the DT 39928 1376 40 whole whole NN 39928 1376 41 of of IN 39928 1376 42 the the DT 39928 1376 43 carbon carbon NN 39928 1376 44 in in IN 39928 1376 45 the the DT 39928 1376 46 vegetable vegetable NN 39928 1376 47 and and CC 39928 1376 48 animal animal NN 39928 1376 49 kingdoms kingdom NNS 39928 1376 50 is be VBZ 39928 1376 51 primarily primarily RB 39928 1376 52 derived derive VBN 39928 1376 53 . . . 39928 1377 1 The the DT 39928 1377 2 leaves leave NNS 39928 1377 3 of of IN 39928 1377 4 plants plant NNS 39928 1377 5 absorb absorb VBP 39928 1377 6 carbonic carbonic JJ 39928 1377 7 acid acid JJ 39928 1377 8 gas gas NN 39928 1377 9 from from IN 39928 1377 10 the the DT 39928 1377 11 atmosphere atmosphere NN 39928 1377 12 , , , 39928 1377 13 and and CC 39928 1377 14 the the DT 39928 1377 15 peculiar peculiar JJ 39928 1377 16 substance substance NN 39928 1377 17 , , , 39928 1377 18 chlorophyll chlorophyll NNP 39928 1377 19 , , , 39928 1377 20 from from IN 39928 1377 21 which which WDT 39928 1377 22 they -PRON- PRP 39928 1377 23 derive derive VBP 39928 1377 24 their -PRON- PRP$ 39928 1377 25 green green JJ 39928 1377 26 colour colour NN 39928 1377 27 , , , 39928 1377 28 has have VBZ 39928 1377 29 the the DT 39928 1377 30 power power NN 39928 1377 31 , , , 39928 1377 32 under under IN 39928 1377 33 the the DT 39928 1377 34 influence influence NN 39928 1377 35 of of IN 39928 1377 36 sunlight sunlight NN 39928 1377 37 , , , 39928 1377 38 to to TO 39928 1377 39 decompose decompose VB 39928 1377 40 it -PRON- PRP 39928 1377 41 , , , 39928 1377 42 using use VBG 39928 1377 43 the the DT 39928 1377 44 carbon carbon NN 39928 1377 45 to to TO 39928 1377 46 build build VB 39928 1377 47 up up RP 39928 1377 48 its -PRON- PRP$ 39928 1377 49 own own JJ 39928 1377 50 structure structure NN 39928 1377 51 and and CC 39928 1377 52 giving give VBG 39928 1377 53 out out RP 39928 1377 54 the the DT 39928 1377 55 oxygen oxygen NN 39928 1377 56 . . . 39928 1378 1 In in IN 39928 1378 2 the the DT 39928 1378 3 laboratory laboratory NN 39928 1378 4 the the DT 39928 1378 5 carbon carbon NN 39928 1378 6 can can MD 39928 1378 7 only only RB 39928 1378 8 be be VB 39928 1378 9 separated separate VBN 39928 1378 10 from from IN 39928 1378 11 the the DT 39928 1378 12 oxygen oxygen NN 39928 1378 13 by by IN 39928 1378 14 the the DT 39928 1378 15 application application NN 39928 1378 16 of of IN 39928 1378 17 heat heat NN 39928 1378 18 , , , 39928 1378 19 under under IN 39928 1378 20 which which WDT 39928 1378 21 certain certain JJ 39928 1378 22 metals metal NNS 39928 1378 23 burn burn VBP 39928 1378 24 by by IN 39928 1378 25 combining combine VBG 39928 1378 26 with with IN 39928 1378 27 the the DT 39928 1378 28 oxygen oxygen NN 39928 1378 29 , , , 39928 1378 30 thus thus RB 39928 1378 31 setting set VBG 39928 1378 32 free free JJ 39928 1378 33 the the DT 39928 1378 34 carbon carbon NN 39928 1378 35 . . . 39928 1379 1 Chlorophyll Chlorophyll NNP 39928 1379 2 has have VBZ 39928 1379 3 a a DT 39928 1379 4 highly highly RB 39928 1379 5 complex complex JJ 39928 1379 6 chemical chemical NN 39928 1379 7 structure structure NN 39928 1379 8 very very RB 39928 1379 9 imperfectly imperfectly RB 39928 1379 10 known know VBN 39928 1379 11 , , , 39928 1379 12 but but CC 39928 1379 13 it -PRON- PRP 39928 1379 14 is be VBZ 39928 1379 15 said say VBN 39928 1379 16 to to TO 39928 1379 17 be be VB 39928 1379 18 only only RB 39928 1379 19 produced produce VBN 39928 1379 20 when when WRB 39928 1379 21 there there EX 39928 1379 22 is be VBZ 39928 1379 23 iron iron NN 39928 1379 24 in in IN 39928 1379 25 the the DT 39928 1379 26 soil soil NN 39928 1379 27 . . . 39928 1380 1 The the DT 39928 1380 2 leaves leave NNS 39928 1380 3 of of IN 39928 1380 4 plants plant NNS 39928 1380 5 , , , 39928 1380 6 so so RB 39928 1380 7 often often RB 39928 1380 8 looked look VBD 39928 1380 9 upon upon IN 39928 1380 10 as as IN 39928 1380 11 mere mere JJ 39928 1380 12 ornamental ornamental JJ 39928 1380 13 appendages appendage NNS 39928 1380 14 , , , 39928 1380 15 are be VBP 39928 1380 16 among among IN 39928 1380 17 the the DT 39928 1380 18 most most RBS 39928 1380 19 marvellous marvellous JJ 39928 1380 20 structures structure NNS 39928 1380 21 in in IN 39928 1380 22 living living NN 39928 1380 23 organisms organism NNS 39928 1380 24 , , , 39928 1380 25 since since IN 39928 1380 26 in in IN 39928 1380 27 decomposing decompose VBG 39928 1380 28 carbonic carbonic JJ 39928 1380 29 acid acid NN 39928 1380 30 at at IN 39928 1380 31 ordinary ordinary JJ 39928 1380 32 temperatures temperature NNS 39928 1380 33 they -PRON- PRP 39928 1380 34 do do VBP 39928 1380 35 what what WP 39928 1380 36 no no DT 39928 1380 37 other other JJ 39928 1380 38 agency agency NN 39928 1380 39 in in IN 39928 1380 40 nature nature NN 39928 1380 41 can can MD 39928 1380 42 perform perform VB 39928 1380 43 . . . 39928 1381 1 In in IN 39928 1381 2 doing do VBG 39928 1381 3 this this DT 39928 1381 4 they -PRON- PRP 39928 1381 5 utilise utilise VBP 39928 1381 6 a a DT 39928 1381 7 special special JJ 39928 1381 8 group group NN 39928 1381 9 of of IN 39928 1381 10 ether ether NN 39928 1381 11 - - HYPH 39928 1381 12 waves wave NNS 39928 1381 13 which which WDT 39928 1381 14 alone alone RB 39928 1381 15 appear appear VBP 39928 1381 16 to to TO 39928 1381 17 have have VB 39928 1381 18 this this DT 39928 1381 19 power power NN 39928 1381 20 . . . 39928 1382 1 The the DT 39928 1382 2 complexity complexity NN 39928 1382 3 of of IN 39928 1382 4 the the DT 39928 1382 5 processes process NNS 39928 1382 6 going go VBG 39928 1382 7 on on RP 39928 1382 8 in in IN 39928 1382 9 leaves leave NNS 39928 1382 10 is be VBZ 39928 1382 11 well well RB 39928 1382 12 indicated indicate VBN 39928 1382 13 in in IN 39928 1382 14 the the DT 39928 1382 15 following follow VBG 39928 1382 16 quotation:-- quotation:-- JJS 39928 1382 17 ' ' '' 39928 1382 18 We -PRON- PRP 39928 1382 19 have have VBP 39928 1382 20 seen see VBN 39928 1382 21 how how WRB 39928 1382 22 green green JJ 39928 1382 23 leaves leave NNS 39928 1382 24 are be VBP 39928 1382 25 supplied supply VBN 39928 1382 26 with with IN 39928 1382 27 gases gas NNS 39928 1382 28 , , , 39928 1382 29 water water NN 39928 1382 30 , , , 39928 1382 31 and and CC 39928 1382 32 dissolved dissolve VBN 39928 1382 33 salts salt NNS 39928 1382 34 , , , 39928 1382 35 and and CC 39928 1382 36 how how WRB 39928 1382 37 they -PRON- PRP 39928 1382 38 can can MD 39928 1382 39 trap trap VB 39928 1382 40 special special JJ 39928 1382 41 ether ether NN 39928 1382 42 - - HYPH 39928 1382 43 waves wave NNS 39928 1382 44 . . . 39928 1383 1 The the DT 39928 1383 2 active active JJ 39928 1383 3 energy energy NN 39928 1383 4 of of IN 39928 1383 5 these these DT 39928 1383 6 waves wave NNS 39928 1383 7 is be VBZ 39928 1383 8 used use VBN 39928 1383 9 to to TO 39928 1383 10 transmute transmute VB 39928 1383 11 the the DT 39928 1383 12 simple simple JJ 39928 1383 13 inorganic inorganic JJ 39928 1383 14 compounds compound NNS 39928 1383 15 into into IN 39928 1383 16 complex complex JJ 39928 1383 17 organic organic JJ 39928 1383 18 ones one NNS 39928 1383 19 , , , 39928 1383 20 which which WDT 39928 1383 21 in in IN 39928 1383 22 the the DT 39928 1383 23 process process NN 39928 1383 24 of of IN 39928 1383 25 respiration respiration NN 39928 1383 26 are be VBP 39928 1383 27 reduced reduce VBN 39928 1383 28 to to TO 39928 1383 29 simpler simple JJR 39928 1383 30 substances substance NNS 39928 1383 31 again again RB 39928 1383 32 , , , 39928 1383 33 and and CC 39928 1383 34 the the DT 39928 1383 35 potential potential JJ 39928 1383 36 energy energy NN 39928 1383 37 transformed transform VBD 39928 1383 38 into into IN 39928 1383 39 kinetic kinetic NNP 39928 1383 40 . . . 39928 1384 1 These these DT 39928 1384 2 metabolic metabolic JJ 39928 1384 3 changes change NNS 39928 1384 4 take take VBP 39928 1384 5 place place NN 39928 1384 6 in in IN 39928 1384 7 living living NN 39928 1384 8 cells cell NNS 39928 1384 9 full full JJ 39928 1384 10 of of IN 39928 1384 11 intense intense JJ 39928 1384 12 activities activity NNS 39928 1384 13 . . . 39928 1385 1 Currents current NNS 39928 1385 2 course course RB 39928 1385 3 through through IN 39928 1385 4 the the DT 39928 1385 5 protoplasm protoplasm NN 39928 1385 6 and and CC 39928 1385 7 cell cell NN 39928 1385 8 - - HYPH 39928 1385 9 sap sap NN 39928 1385 10 in in IN 39928 1385 11 every every DT 39928 1385 12 direction direction NN 39928 1385 13 , , , 39928 1385 14 and and CC 39928 1385 15 between between IN 39928 1385 16 the the DT 39928 1385 17 cells cell NNS 39928 1385 18 which which WDT 39928 1385 19 are be VBP 39928 1385 20 also also RB 39928 1385 21 united unite VBN 39928 1385 22 by by IN 39928 1385 23 strands strand NNS 39928 1385 24 of of IN 39928 1385 25 protoplasm protoplasm NN 39928 1385 26 . . . 39928 1386 1 The the DT 39928 1386 2 gases gas NNS 39928 1386 3 used use VBD 39928 1386 4 and and CC 39928 1386 5 given give VBN 39928 1386 6 off off RP 39928 1386 7 in in IN 39928 1386 8 respiration respiration NN 39928 1386 9 and and CC 39928 1386 10 assimilation assimilation NN 39928 1386 11 are be VBP 39928 1386 12 floated float VBN 39928 1386 13 in in IN 39928 1386 14 and and CC 39928 1386 15 out out RB 39928 1386 16 , , , 39928 1386 17 and and CC 39928 1386 18 each each DT 39928 1386 19 protoplasm protoplasm NN 39928 1386 20 particle particle NN 39928 1386 21 burned burn VBN 39928 1386 22 or or CC 39928 1386 23 unburned unburned JJ 39928 1386 24 is be VBZ 39928 1386 25 the the DT 39928 1386 26 centre centre NN 39928 1386 27 of of IN 39928 1386 28 an an DT 39928 1386 29 area area NN 39928 1386 30 of of IN 39928 1386 31 disturbance disturbance NN 39928 1386 32 . . . 39928 1387 1 Pure pure JJ 39928 1387 2 protoplasm protoplasm NN 39928 1387 3 is be VBZ 39928 1387 4 influenced influence VBN 39928 1387 5 equally equally RB 39928 1387 6 by by IN 39928 1387 7 all all DT 39928 1387 8 rays ray NNS 39928 1387 9 : : : 39928 1387 10 that that IN 39928 1387 11 associated associate VBN 39928 1387 12 with with IN 39928 1387 13 chlorophyll chlorophyll NNP 39928 1387 14 is be VBZ 39928 1387 15 affected affect VBN 39928 1387 16 by by IN 39928 1387 17 certain certain JJ 39928 1387 18 red red NN 39928 1387 19 and and CC 39928 1387 20 violet violet NN 39928 1387 21 rays ray NNS 39928 1387 22 in in IN 39928 1387 23 particular particular JJ 39928 1387 24 . . . 39928 1388 1 These these DT 39928 1388 2 , , , 39928 1388 3 especially especially RB 39928 1388 4 the the DT 39928 1388 5 red red JJ 39928 1388 6 ones one NNS 39928 1388 7 , , , 39928 1388 8 bring bring VB 39928 1388 9 about about RP 39928 1388 10 the the DT 39928 1388 11 dissociation dissociation NN 39928 1388 12 of of IN 39928 1388 13 the the DT 39928 1388 14 elements element NNS 39928 1388 15 of of IN 39928 1388 16 the the DT 39928 1388 17 carbonic carbonic JJ 39928 1388 18 acid acid NN 39928 1388 19 , , , 39928 1388 20 the the DT 39928 1388 21 assimilation assimilation NN 39928 1388 22 of of IN 39928 1388 23 the the DT 39928 1388 24 carbon carbon NN 39928 1388 25 , , , 39928 1388 26 and and CC 39928 1388 27 the the DT 39928 1388 28 excretion excretion NN 39928 1388 29 of of IN 39928 1388 30 the the DT 39928 1388 31 oxygen oxygen NN 39928 1388 32 . . . 39928 1389 1 ' ' `` 39928 1389 2 [ [ -LRB- 39928 1389 3 12 12 CD 39928 1389 4 ] ] -RRB- 39928 1389 5 It -PRON- PRP 39928 1389 6 is be VBZ 39928 1389 7 this this DT 39928 1389 8 vigorous vigorous JJ 39928 1389 9 life life NN 39928 1389 10 - - HYPH 39928 1389 11 activity activity NN 39928 1389 12 ever ever RB 39928 1389 13 at at IN 39928 1389 14 work work NN 39928 1389 15 in in IN 39928 1389 16 the the DT 39928 1389 17 leaves leave NNS 39928 1389 18 , , , 39928 1389 19 the the DT 39928 1389 20 roots root NNS 39928 1389 21 , , , 39928 1389 22 and and CC 39928 1389 23 the the DT 39928 1389 24 sap sap NN 39928 1389 25 - - HYPH 39928 1389 26 cells cell NNS 39928 1389 27 , , , 39928 1389 28 that that WDT 39928 1389 29 builds build VBZ 39928 1389 30 up up RP 39928 1389 31 the the DT 39928 1389 32 plant plant NN 39928 1389 33 , , , 39928 1389 34 in in IN 39928 1389 35 all all DT 39928 1389 36 its -PRON- PRP$ 39928 1389 37 wondrous wondrous JJ 39928 1389 38 beauty beauty NN 39928 1389 39 of of IN 39928 1389 40 bud bud NN 39928 1389 41 and and CC 39928 1389 42 foliage foliage NN 39928 1389 43 , , , 39928 1389 44 flower flower NN 39928 1389 45 and and CC 39928 1389 46 fruit fruit NN 39928 1389 47 ; ; : 39928 1389 48 and and CC 39928 1389 49 at at IN 39928 1389 50 the the DT 39928 1389 51 same same JJ 39928 1389 52 time time NN 39928 1389 53 produces produce VBZ 39928 1389 54 , , , 39928 1389 55 either either CC 39928 1389 56 as as IN 39928 1389 57 useful useful JJ 39928 1389 58 or or CC 39928 1389 59 waste waste NN 39928 1389 60 - - HYPH 39928 1389 61 products product NNS 39928 1389 62 , , , 39928 1389 63 all all DT 39928 1389 64 that that DT 39928 1389 65 wealth wealth NN 39928 1389 66 of of IN 39928 1389 67 odours odour NNS 39928 1389 68 and and CC 39928 1389 69 flavours flavour NNS 39928 1389 70 , , , 39928 1389 71 of of IN 39928 1389 72 colours colour NNS 39928 1389 73 and and CC 39928 1389 74 textures texture NNS 39928 1389 75 , , , 39928 1389 76 of of IN 39928 1389 77 fibres fibre NNS 39928 1389 78 and and CC 39928 1389 79 varied varied JJ 39928 1389 80 woods wood NNS 39928 1389 81 , , , 39928 1389 82 of of IN 39928 1389 83 roots root NNS 39928 1389 84 and and CC 39928 1389 85 tubers tuber NNS 39928 1389 86 , , , 39928 1389 87 of of IN 39928 1389 88 gums gum NNS 39928 1389 89 and and CC 39928 1389 90 oils oil NNS 39928 1389 91 and and CC 39928 1389 92 resins resin VBZ 39928 1389 93 innumerable innumerable JJ 39928 1389 94 , , , 39928 1389 95 that that IN 39928 1389 96 , , , 39928 1389 97 taken take VBN 39928 1389 98 altogether altogether RB 39928 1389 99 , , , 39928 1389 100 render render VB 39928 1389 101 the the DT 39928 1389 102 world world NN 39928 1389 103 of of IN 39928 1389 104 vegetable vegetable JJ 39928 1389 105 life life NN 39928 1389 106 perhaps perhaps RB 39928 1389 107 more more RBR 39928 1389 108 varied varied JJ 39928 1389 109 , , , 39928 1389 110 more more RBR 39928 1389 111 beautiful beautiful JJ 39928 1389 112 , , , 39928 1389 113 more more RBR 39928 1389 114 enjoyable enjoyable JJ 39928 1389 115 , , , 39928 1389 116 more more RBR 39928 1389 117 indispensable indispensable JJ 39928 1389 118 to to IN 39928 1389 119 our -PRON- PRP$ 39928 1389 120 higher high JJR 39928 1389 121 nature nature NN 39928 1389 122 than than IN 39928 1389 123 even even RB 39928 1389 124 that that DT 39928 1389 125 of of IN 39928 1389 126 animals animal NNS 39928 1389 127 . . . 39928 1390 1 But but CC 39928 1390 2 there there EX 39928 1390 3 is be VBZ 39928 1390 4 really really RB 39928 1390 5 no no DT 39928 1390 6 comparison comparison NN 39928 1390 7 between between IN 39928 1390 8 them -PRON- PRP 39928 1390 9 . . . 39928 1391 1 We -PRON- PRP 39928 1391 2 _ _ NNP 39928 1391 3 could could MD 39928 1391 4 _ _ NNP 39928 1391 5 have have VB 39928 1391 6 plants plant NNS 39928 1391 7 without without IN 39928 1391 8 animals animal NNS 39928 1391 9 ; ; : 39928 1391 10 we -PRON- PRP 39928 1391 11 could could MD 39928 1391 12 _ _ VB 39928 1391 13 not not RB 39928 1391 14 _ _ NNP 39928 1391 15 have have VBP 39928 1391 16 animals animal NNS 39928 1391 17 without without IN 39928 1391 18 plants plant NNS 39928 1391 19 . . . 39928 1392 1 And and CC 39928 1392 2 all all PDT 39928 1392 3 this this DT 39928 1392 4 marvel marvel NN 39928 1392 5 and and CC 39928 1392 6 mystery mystery NN 39928 1392 7 of of IN 39928 1392 8 vegetable vegetable JJ 39928 1392 9 life life NN 39928 1392 10 , , , 39928 1392 11 a a DT 39928 1392 12 mystery mystery NN 39928 1392 13 which which WDT 39928 1392 14 we -PRON- PRP 39928 1392 15 rarely rarely RB 39928 1392 16 ponder ponder VBP 39928 1392 17 over over RP 39928 1392 18 because because IN 39928 1392 19 its -PRON- PRP$ 39928 1392 20 effects effect NNS 39928 1392 21 are be VBP 39928 1392 22 so so RB 39928 1392 23 familiar familiar JJ 39928 1392 24 , , , 39928 1392 25 is be VBZ 39928 1392 26 usually usually RB 39928 1392 27 held hold VBN 39928 1392 28 to to TO 39928 1392 29 be be VB 39928 1392 30 sufficiently sufficiently RB 39928 1392 31 explained explain VBN 39928 1392 32 by by IN 39928 1392 33 the the DT 39928 1392 34 statement statement NN 39928 1392 35 that that IN 39928 1392 36 it -PRON- PRP 39928 1392 37 is be VBZ 39928 1392 38 all all RB 39928 1392 39 due due IN 39928 1392 40 to to IN 39928 1392 41 the the DT 39928 1392 42 special special JJ 39928 1392 43 properties property NNS 39928 1392 44 of of IN 39928 1392 45 protoplasm protoplasm NN 39928 1392 46 . . . 39928 1393 1 Well well UH 39928 1393 2 might may MD 39928 1393 3 Huxley Huxley NNP 39928 1393 4 say say VB 39928 1393 5 , , , 39928 1393 6 that that DT 39928 1393 7 protoplasm protoplasm NN 39928 1393 8 is be VBZ 39928 1393 9 not not RB 39928 1393 10 only only RB 39928 1393 11 a a DT 39928 1393 12 substance substance NN 39928 1393 13 but but CC 39928 1393 14 a a DT 39928 1393 15 structure structure NN 39928 1393 16 or or CC 39928 1393 17 mechanism mechanism NN 39928 1393 18 , , , 39928 1393 19 a a DT 39928 1393 20 mechanism mechanism NN 39928 1393 21 kept keep VBN 39928 1393 22 at at IN 39928 1393 23 work work NN 39928 1393 24 by by IN 39928 1393 25 solar solar JJ 39928 1393 26 heat heat NN 39928 1393 27 and and CC 39928 1393 28 light light NN 39928 1393 29 , , , 39928 1393 30 and and CC 39928 1393 31 capable capable JJ 39928 1393 32 of of IN 39928 1393 33 producing produce VBG 39928 1393 34 a a DT 39928 1393 35 thousand thousand CD 39928 1393 36 times time NNS 39928 1393 37 more more RBR 39928 1393 38 varied varied JJ 39928 1393 39 and and CC 39928 1393 40 marvellous marvellous JJ 39928 1393 41 results result NNS 39928 1393 42 than than IN 39928 1393 43 all all PDT 39928 1393 44 the the DT 39928 1393 45 human human JJ 39928 1393 46 mechanism mechanism NN 39928 1393 47 ever ever RB 39928 1393 48 invented invent VBD 39928 1393 49 . . . 39928 1394 1 But but CC 39928 1394 2 besides besides IN 39928 1394 3 absorbing absorb VBG 39928 1394 4 carbonic carbonic JJ 39928 1394 5 acid acid NN 39928 1394 6 from from IN 39928 1394 7 the the DT 39928 1394 8 atmosphere atmosphere NN 39928 1394 9 , , , 39928 1394 10 separating separate VBG 39928 1394 11 and and CC 39928 1394 12 utilising utilise VBG 39928 1394 13 the the DT 39928 1394 14 carbon carbon NN 39928 1394 15 and and CC 39928 1394 16 giving give VBG 39928 1394 17 out out RP 39928 1394 18 the the DT 39928 1394 19 oxygen oxygen NN 39928 1394 20 , , , 39928 1394 21 plants plant NNS 39928 1394 22 as as RB 39928 1394 23 well well RB 39928 1394 24 as as IN 39928 1394 25 animals animal NNS 39928 1394 26 continually continually RB 39928 1394 27 absorb absorb VBP 39928 1394 28 oxygen oxygen NN 39928 1394 29 from from IN 39928 1394 30 the the DT 39928 1394 31 atmosphere atmosphere NN 39928 1394 32 , , , 39928 1394 33 and and CC 39928 1394 34 this this DT 39928 1394 35 is be VBZ 39928 1394 36 so so RB 39928 1394 37 universally universally RB 39928 1394 38 the the DT 39928 1394 39 case case NN 39928 1394 40 that that IN 39928 1394 41 oxygen oxygen NN 39928 1394 42 is be VBZ 39928 1394 43 said say VBN 39928 1394 44 to to TO 39928 1394 45 be be VB 39928 1394 46 the the DT 39928 1394 47 food food NN 39928 1394 48 of of IN 39928 1394 49 protoplasm protoplasm NN 39928 1394 50 , , , 39928 1394 51 without without IN 39928 1394 52 which which WDT 39928 1394 53 it -PRON- PRP 39928 1394 54 can can MD 39928 1394 55 not not RB 39928 1394 56 continue continue VB 39928 1394 57 to to TO 39928 1394 58 live live VB 39928 1394 59 ; ; : 39928 1394 60 and and CC 39928 1394 61 it -PRON- PRP 39928 1394 62 is be VBZ 39928 1394 63 the the DT 39928 1394 64 peculiar peculiar JJ 39928 1394 65 but but CC 39928 1394 66 quite quite RB 39928 1394 67 invisible invisible JJ 39928 1394 68 structure structure NN 39928 1394 69 of of IN 39928 1394 70 the the DT 39928 1394 71 protoplasm protoplasm NN 39928 1394 72 which which WDT 39928 1394 73 enables enable VBZ 39928 1394 74 it -PRON- PRP 39928 1394 75 to to TO 39928 1394 76 do do VB 39928 1394 77 this this DT 39928 1394 78 , , , 39928 1394 79 and and CC 39928 1394 80 also also RB 39928 1394 81 in in IN 39928 1394 82 plants plant NNS 39928 1394 83 to to TO 39928 1394 84 absorb absorb VB 39928 1394 85 an an DT 39928 1394 86 enormous enormous JJ 39928 1394 87 amount amount NN 39928 1394 88 of of IN 39928 1394 89 water water NN 39928 1394 90 as as RB 39928 1394 91 well well RB 39928 1394 92 . . . 39928 1395 1 But but CC 39928 1395 2 although although IN 39928 1395 3 protoplasm protoplasm NN 39928 1395 4 is be VBZ 39928 1395 5 so so RB 39928 1395 6 complex complex JJ 39928 1395 7 chemically chemically RB 39928 1395 8 as as IN 39928 1395 9 to to TO 39928 1395 10 defy defy VB 39928 1395 11 exact exact JJ 39928 1395 12 analysis analysis NN 39928 1395 13 , , , 39928 1395 14 being be VBG 39928 1395 15 an an DT 39928 1395 16 elaborate elaborate JJ 39928 1395 17 structure structure NN 39928 1395 18 of of IN 39928 1395 19 atoms atom NNS 39928 1395 20 built build VBN 39928 1395 21 up up RP 39928 1395 22 into into IN 39928 1395 23 a a DT 39928 1395 24 molecule molecule NN 39928 1395 25 in in IN 39928 1395 26 which which WDT 39928 1395 27 each each DT 39928 1395 28 atom atom NN 39928 1395 29 must must MD 39928 1395 30 occupy occupy VB 39928 1395 31 its -PRON- PRP$ 39928 1395 32 true true JJ 39928 1395 33 place place NN 39928 1395 34 ( ( -LRB- 39928 1395 35 like like IN 39928 1395 36 every every DT 39928 1395 37 carved carve VBN 39928 1395 38 stone stone NN 39928 1395 39 in in IN 39928 1395 40 a a DT 39928 1395 41 Gothic Gothic NNP 39928 1395 42 cathedral cathedral NN 39928 1395 43 ) ) -RRB- 39928 1395 44 , , , 39928 1395 45 yet yet CC 39928 1395 46 it -PRON- PRP 39928 1395 47 is be VBZ 39928 1395 48 , , , 39928 1395 49 as as IN 39928 1395 50 it -PRON- PRP 39928 1395 51 were be VBD 39928 1395 52 , , , 39928 1395 53 only only RB 39928 1395 54 the the DT 39928 1395 55 starting starting NN 39928 1395 56 - - HYPH 39928 1395 57 point point NN 39928 1395 58 or or CC 39928 1395 59 material material NN 39928 1395 60 out out IN 39928 1395 61 of of IN 39928 1395 62 which which WDT 39928 1395 63 the the DT 39928 1395 64 infinitely infinitely RB 39928 1395 65 varied varied JJ 39928 1395 66 structures structure NNS 39928 1395 67 of of IN 39928 1395 68 living living NN 39928 1395 69 bodies body NNS 39928 1395 70 are be VBP 39928 1395 71 formed form VBN 39928 1395 72 . . . 39928 1396 1 The the DT 39928 1396 2 extreme extreme JJ 39928 1396 3 mobility mobility NN 39928 1396 4 and and CC 39928 1396 5 changeability changeability NN 39928 1396 6 of of IN 39928 1396 7 the the DT 39928 1396 8 structure structure NN 39928 1396 9 of of IN 39928 1396 10 these these DT 39928 1396 11 molecules molecule NNS 39928 1396 12 enables enable VBZ 39928 1396 13 the the DT 39928 1396 14 protoplasm protoplasm NN 39928 1396 15 to to TO 39928 1396 16 be be VB 39928 1396 17 continually continually RB 39928 1396 18 modified modify VBN 39928 1396 19 both both CC 39928 1396 20 in in IN 39928 1396 21 constitution constitution NN 39928 1396 22 and and CC 39928 1396 23 form form NN 39928 1396 24 , , , 39928 1396 25 and and CC 39928 1396 26 , , , 39928 1396 27 by by IN 39928 1396 28 the the DT 39928 1396 29 substitution substitution NN 39928 1396 30 or or CC 39928 1396 31 addition addition NN 39928 1396 32 of of IN 39928 1396 33 other other JJ 39928 1396 34 elements element NNS 39928 1396 35 , , , 39928 1396 36 to to TO 39928 1396 37 serve serve VB 39928 1396 38 special special JJ 39928 1396 39 purposes purpose NNS 39928 1396 40 . . . 39928 1397 1 Thus thus RB 39928 1397 2 when when WRB 39928 1397 3 sulphur sulphur NNP 39928 1397 4 in in IN 39928 1397 5 small small JJ 39928 1397 6 quantities quantity NNS 39928 1397 7 is be VBZ 39928 1397 8 absorbed absorb VBN 39928 1397 9 and and CC 39928 1397 10 built build VBN 39928 1397 11 into into IN 39928 1397 12 the the DT 39928 1397 13 molecular molecular JJ 39928 1397 14 structure structure NN 39928 1397 15 , , , 39928 1397 16 proteids proteid NNS 39928 1397 17 are be VBP 39928 1397 18 formed form VBN 39928 1397 19 . . . 39928 1398 1 These these DT 39928 1398 2 are be VBP 39928 1398 3 most most RBS 39928 1398 4 abundant abundant JJ 39928 1398 5 in in IN 39928 1398 6 animal animal NN 39928 1398 7 structures structure NNS 39928 1398 8 , , , 39928 1398 9 and and CC 39928 1398 10 give give VB 39928 1398 11 the the DT 39928 1398 12 nourishing nourish VBG 39928 1398 13 properties property NNS 39928 1398 14 to to IN 39928 1398 15 meat meat NN 39928 1398 16 , , , 39928 1398 17 cheese cheese NN 39928 1398 18 , , , 39928 1398 19 eggs egg NNS 39928 1398 20 , , , 39928 1398 21 and and CC 39928 1398 22 other other JJ 39928 1398 23 animal animal NN 39928 1398 24 foods food NNS 39928 1398 25 ; ; : 39928 1398 26 but but CC 39928 1398 27 they -PRON- PRP 39928 1398 28 are be VBP 39928 1398 29 also also RB 39928 1398 30 found find VBN 39928 1398 31 in in IN 39928 1398 32 the the DT 39928 1398 33 vegetable vegetable NN 39928 1398 34 kingdom kingdom NN 39928 1398 35 , , , 39928 1398 36 especially especially RB 39928 1398 37 in in IN 39928 1398 38 nuts nut NNS 39928 1398 39 and and CC 39928 1398 40 seeds seed NNS 39928 1398 41 such such JJ 39928 1398 42 as as IN 39928 1398 43 grain grain NN 39928 1398 44 , , , 39928 1398 45 peas pea NNS 39928 1398 46 , , , 39928 1398 47 etc etc FW 39928 1398 48 . . . 39928 1399 1 These these DT 39928 1399 2 are be VBP 39928 1399 3 generally generally RB 39928 1399 4 known know VBN 39928 1399 5 as as IN 39928 1399 6 nitrogenous nitrogenous JJ 39928 1399 7 foods food NNS 39928 1399 8 , , , 39928 1399 9 and and CC 39928 1399 10 are be VBP 39928 1399 11 very very RB 39928 1399 12 nutritious nutritious JJ 39928 1399 13 , , , 39928 1399 14 but but CC 39928 1399 15 not not RB 39928 1399 16 so so RB 39928 1399 17 easily easily RB 39928 1399 18 digestible digestible JJ 39928 1399 19 as as IN 39928 1399 20 meat meat NN 39928 1399 21 . . . 39928 1400 1 Proteids proteid NNS 39928 1400 2 exist exist VBP 39928 1400 3 in in IN 39928 1400 4 very very RB 39928 1400 5 varied varied JJ 39928 1400 6 forms form NNS 39928 1400 7 and and CC 39928 1400 8 often often RB 39928 1400 9 contain contain VBP 39928 1400 10 phosphorus phosphorus NN 39928 1400 11 as as RB 39928 1400 12 well well RB 39928 1400 13 as as IN 39928 1400 14 sulphur sulphur NNP 39928 1400 15 , , , 39928 1400 16 but but CC 39928 1400 17 their -PRON- PRP$ 39928 1400 18 main main JJ 39928 1400 19 characteristic characteristic NN 39928 1400 20 is be VBZ 39928 1400 21 the the DT 39928 1400 22 large large JJ 39928 1400 23 proportion proportion NN 39928 1400 24 of of IN 39928 1400 25 nitrogen nitrogen NN 39928 1400 26 they -PRON- PRP 39928 1400 27 contain contain VBP 39928 1400 28 , , , 39928 1400 29 while while IN 39928 1400 30 many many JJ 39928 1400 31 other other JJ 39928 1400 32 animal animal NN 39928 1400 33 and and CC 39928 1400 34 vegetable vegetable NN 39928 1400 35 products product NNS 39928 1400 36 , , , 39928 1400 37 as as IN 39928 1400 38 most most JJS 39928 1400 39 roots root NNS 39928 1400 40 , , , 39928 1400 41 tubers tuber NNS 39928 1400 42 , , , 39928 1400 43 and and CC 39928 1400 44 grains grain NNS 39928 1400 45 , , , 39928 1400 46 and and CC 39928 1400 47 even even RB 39928 1400 48 fats fat VBZ 39928 1400 49 and and CC 39928 1400 50 oils oil NNS 39928 1400 51 , , , 39928 1400 52 are be VBP 39928 1400 53 mainly mainly RB 39928 1400 54 composed compose VBN 39928 1400 55 of of IN 39928 1400 56 starch starch NN 39928 1400 57 and and CC 39928 1400 58 sugar sugar NN 39928 1400 59 . . . 39928 1401 1 In in IN 39928 1401 2 its -PRON- PRP$ 39928 1401 3 chemical chemical NN 39928 1401 4 and and CC 39928 1401 5 physiological physiological JJ 39928 1401 6 aspects aspect NNS 39928 1401 7 protein protein NN 39928 1401 8 is be VBZ 39928 1401 9 thus thus RB 39928 1401 10 described describe VBN 39928 1401 11 by by IN 39928 1401 12 Professor Professor NNP 39928 1401 13 W.D. W.D. NNP 39928 1402 1 Haliburton:--'Proteids Haliburton:--'Proteids NNP 39928 1402 2 are be VBP 39928 1402 3 produced produce VBN 39928 1402 4 only only RB 39928 1402 5 in in IN 39928 1402 6 the the DT 39928 1402 7 living live VBG 39928 1402 8 laboratory laboratory NN 39928 1402 9 of of IN 39928 1402 10 animals animal NNS 39928 1402 11 and and CC 39928 1402 12 plants plant NNS 39928 1402 13 ; ; , 39928 1402 14 proteid proteid NN 39928 1402 15 matter matter NN 39928 1402 16 is be VBZ 39928 1402 17 the the DT 39928 1402 18 all all RB 39928 1402 19 - - HYPH 39928 1402 20 important important JJ 39928 1402 21 material material NN 39928 1402 22 present present NN 39928 1402 23 in in IN 39928 1402 24 protoplasm protoplasm NN 39928 1402 25 . . . 39928 1403 1 This this DT 39928 1403 2 molecule molecule NN 39928 1403 3 is be VBZ 39928 1403 4 the the DT 39928 1403 5 most most RBS 39928 1403 6 complex complex JJ 39928 1403 7 that that WDT 39928 1403 8 is be VBZ 39928 1403 9 known know VBN 39928 1403 10 ; ; : 39928 1403 11 it -PRON- PRP 39928 1403 12 always always RB 39928 1403 13 contains contain VBZ 39928 1403 14 five five CD 39928 1403 15 and and CC 39928 1403 16 often often RB 39928 1403 17 six six CD 39928 1403 18 or or CC 39928 1403 19 even even RB 39928 1403 20 seven seven CD 39928 1403 21 elements element NNS 39928 1403 22 . . . 39928 1404 1 The the DT 39928 1404 2 task task NN 39928 1404 3 of of IN 39928 1404 4 thoroughly thoroughly RB 39928 1404 5 understanding understand VBG 39928 1404 6 its -PRON- PRP$ 39928 1404 7 composition composition NN 39928 1404 8 is be VBZ 39928 1404 9 necessarily necessarily RB 39928 1404 10 vast vast JJ 39928 1404 11 , , , 39928 1404 12 and and CC 39928 1404 13 advance advance NN 39928 1404 14 slow slow RB 39928 1404 15 . . . 39928 1405 1 But but CC 39928 1405 2 , , , 39928 1405 3 little little JJ 39928 1405 4 by by IN 39928 1405 5 little little JJ 39928 1405 6 , , , 39928 1405 7 the the DT 39928 1405 8 puzzle puzzle NN 39928 1405 9 is be VBZ 39928 1405 10 being be VBG 39928 1405 11 solved solve VBN 39928 1405 12 , , , 39928 1405 13 and and CC 39928 1405 14 this this DT 39928 1405 15 final final JJ 39928 1405 16 conquest conquest NN 39928 1405 17 of of IN 39928 1405 18 organic organic JJ 39928 1405 19 chemistry chemistry NN 39928 1405 20 , , , 39928 1405 21 when when WRB 39928 1405 22 it -PRON- PRP 39928 1405 23 does do VBZ 39928 1405 24 arrive arrive VB 39928 1405 25 , , , 39928 1405 26 will will MD 39928 1405 27 furnish furnish VB 39928 1405 28 physiologists physiologist NNS 39928 1405 29 with with IN 39928 1405 30 new new JJ 39928 1405 31 light light NN 39928 1405 32 on on IN 39928 1405 33 many many JJ 39928 1405 34 of of IN 39928 1405 35 the the DT 39928 1405 36 dark dark JJ 39928 1405 37 places place NNS 39928 1405 38 of of IN 39928 1405 39 physiological physiological JJ 39928 1405 40 science science NN 39928 1405 41 . . . 39928 1406 1 ' ' `` 39928 1406 2 [ [ -LRB- 39928 1406 3 13 13 CD 39928 1406 4 ] ] -RRB- 39928 1406 5 What what WP 39928 1406 6 makes make VBZ 39928 1406 7 protoplasm protoplasm NN 39928 1406 8 and and CC 39928 1406 9 its -PRON- PRP$ 39928 1406 10 modifications modification NNS 39928 1406 11 still still RB 39928 1406 12 more more RBR 39928 1406 13 marvellous marvellous JJ 39928 1406 14 is be VBZ 39928 1406 15 the the DT 39928 1406 16 power power NN 39928 1406 17 it -PRON- PRP 39928 1406 18 possesses possess VBZ 39928 1406 19 of of IN 39928 1406 20 absorbing absorb VBG 39928 1406 21 and and CC 39928 1406 22 moulding mould VBG 39928 1406 23 a a DT 39928 1406 24 number number NN 39928 1406 25 of of IN 39928 1406 26 other other JJ 39928 1406 27 elements element NNS 39928 1406 28 in in IN 39928 1406 29 various various JJ 39928 1406 30 parts part NNS 39928 1406 31 of of IN 39928 1406 32 living living NN 39928 1406 33 organisms organism NNS 39928 1406 34 for for IN 39928 1406 35 special special JJ 39928 1406 36 uses use NNS 39928 1406 37 . . . 39928 1407 1 Such such JJ 39928 1407 2 are be VBP 39928 1407 3 silica silica NN 39928 1407 4 in in IN 39928 1407 5 the the DT 39928 1407 6 stems stem NNS 39928 1407 7 of of IN 39928 1407 8 the the DT 39928 1407 9 grass grass NN 39928 1407 10 family family NN 39928 1407 11 , , , 39928 1407 12 lime lime NNP 39928 1407 13 and and CC 39928 1407 14 magnesia magnesia NNP 39928 1407 15 in in IN 39928 1407 16 the the DT 39928 1407 17 bones bone NNS 39928 1407 18 of of IN 39928 1407 19 animals animal NNS 39928 1407 20 , , , 39928 1407 21 iron iron NN 39928 1407 22 in in IN 39928 1407 23 blood blood NN 39928 1407 24 , , , 39928 1407 25 and and CC 39928 1407 26 many many JJ 39928 1407 27 others other NNS 39928 1407 28 . . . 39928 1408 1 Besides besides IN 39928 1408 2 the the DT 39928 1408 3 four four CD 39928 1408 4 elements element NNS 39928 1408 5 constituting constitute VBG 39928 1408 6 protoplasm protoplasm NN 39928 1408 7 , , , 39928 1408 8 most most JJS 39928 1408 9 animals animal NNS 39928 1408 10 and and CC 39928 1408 11 plants plant NNS 39928 1408 12 contain contain VBP 39928 1408 13 also also RB 39928 1408 14 in in IN 39928 1408 15 some some DT 39928 1408 16 parts part NNS 39928 1408 17 of of IN 39928 1408 18 their -PRON- PRP$ 39928 1408 19 structure structure NN 39928 1408 20 sulphur sulphur NN 39928 1408 21 , , , 39928 1408 22 phosphorus phosphorus NN 39928 1408 23 , , , 39928 1408 24 chlorine chlorine NN 39928 1408 25 , , , 39928 1408 26 silicon silicon NN 39928 1408 27 , , , 39928 1408 28 sodium sodium NN 39928 1408 29 , , , 39928 1408 30 potassium potassium NN 39928 1408 31 , , , 39928 1408 32 calcium calcium NN 39928 1408 33 , , , 39928 1408 34 magnesium magnesium NN 39928 1408 35 , , , 39928 1408 36 and and CC 39928 1408 37 iron iron NN 39928 1408 38 ; ; : 39928 1408 39 while while IN 39928 1408 40 , , , 39928 1408 41 less less RBR 39928 1408 42 frequently frequently RB 39928 1408 43 , , , 39928 1408 44 fluorine fluorine NN 39928 1408 45 , , , 39928 1408 46 iodine iodine NN 39928 1408 47 , , , 39928 1408 48 bromine bromine NN 39928 1408 49 , , , 39928 1408 50 lithium lithium NN 39928 1408 51 , , , 39928 1408 52 copper copper NN 39928 1408 53 , , , 39928 1408 54 manganese manganese JJ 39928 1408 55 , , , 39928 1408 56 and and CC 39928 1408 57 aluminium aluminium NN 39928 1408 58 are be VBP 39928 1408 59 also also RB 39928 1408 60 found find VBN 39928 1408 61 in in IN 39928 1408 62 special special JJ 39928 1408 63 organs organ NNS 39928 1408 64 or or CC 39928 1408 65 structures structure NNS 39928 1408 66 ; ; , 39928 1408 67 and and CC 39928 1408 68 the the DT 39928 1408 69 molecules molecule NNS 39928 1408 70 of of IN 39928 1408 71 all all PDT 39928 1408 72 these these DT 39928 1408 73 are be VBP 39928 1408 74 carried carry VBN 39928 1408 75 by by IN 39928 1408 76 the the DT 39928 1408 77 protoplasmic protoplasmic JJ 39928 1408 78 fluids fluid NNS 39928 1408 79 to to IN 39928 1408 80 the the DT 39928 1408 81 places place NNS 39928 1408 82 where where WRB 39928 1408 83 they -PRON- PRP 39928 1408 84 are be VBP 39928 1408 85 required require VBN 39928 1408 86 and and CC 39928 1408 87 built build VBN 39928 1408 88 into into IN 39928 1408 89 the the DT 39928 1408 90 living living NN 39928 1408 91 structure structure NN 39928 1408 92 , , , 39928 1408 93 with with IN 39928 1408 94 the the DT 39928 1408 95 same same JJ 39928 1408 96 precision precision NN 39928 1408 97 and and CC 39928 1408 98 for for IN 39928 1408 99 similar similar JJ 39928 1408 100 ends end NNS 39928 1408 101 as as IN 39928 1408 102 brick brick NN 39928 1408 103 and and CC 39928 1408 104 stone stone NN 39928 1408 105 , , , 39928 1408 106 iron iron NN 39928 1408 107 , , , 39928 1408 108 slate slate NN 39928 1408 109 , , , 39928 1408 110 wood wood NN 39928 1408 111 , , , 39928 1408 112 and and CC 39928 1408 113 glass glass NN 39928 1408 114 are be VBP 39928 1408 115 each each DT 39928 1408 116 utilised utilise VBN 39928 1408 117 in in IN 39928 1408 118 their -PRON- PRP$ 39928 1408 119 proper proper JJ 39928 1408 120 places place NNS 39928 1408 121 in in IN 39928 1408 122 any any DT 39928 1408 123 large large JJ 39928 1408 124 building building NN 39928 1408 125 . . . 39928 1409 1 [ [ -LRB- 39928 1409 2 14 14 CD 39928 1409 3 ] ] -RRB- 39928 1409 4 The the DT 39928 1409 5 organism organism NN 39928 1409 6 , , , 39928 1409 7 however however RB 39928 1409 8 , , , 39928 1409 9 is be VBZ 39928 1409 10 not not RB 39928 1409 11 built build VBN 39928 1409 12 , , , 39928 1409 13 but but CC 39928 1409 14 grows grow VBZ 39928 1409 15 . . . 39928 1410 1 Every every DT 39928 1410 2 organ organ NN 39928 1410 3 , , , 39928 1410 4 every every DT 39928 1410 5 fibre fibre NN 39928 1410 6 , , , 39928 1410 7 cell cell NN 39928 1410 8 , , , 39928 1410 9 or or CC 39928 1410 10 tissue tissue NN 39928 1410 11 is be VBZ 39928 1410 12 formed form VBN 39928 1410 13 from from IN 39928 1410 14 diverse diverse JJ 39928 1410 15 materials material NNS 39928 1410 16 , , , 39928 1410 17 which which WDT 39928 1410 18 are be VBP 39928 1410 19 first first RB 39928 1410 20 decomposed decompose VBN 39928 1410 21 into into IN 39928 1410 22 their -PRON- PRP$ 39928 1410 23 elementary elementary JJ 39928 1410 24 molecules molecule NNS 39928 1410 25 , , , 39928 1410 26 transformed transform VBN 39928 1410 27 by by IN 39928 1410 28 the the DT 39928 1410 29 protoplasm protoplasm NN 39928 1410 30 or or CC 39928 1410 31 by by IN 39928 1410 32 special special JJ 39928 1410 33 solvents solvent NNS 39928 1410 34 formed form VBN 39928 1410 35 from from IN 39928 1410 36 it -PRON- PRP 39928 1410 37 , , , 39928 1410 38 carried carry VBN 39928 1410 39 to to IN 39928 1410 40 the the DT 39928 1410 41 places place NNS 39928 1410 42 where where WRB 39928 1410 43 they -PRON- PRP 39928 1410 44 are be VBP 39928 1410 45 needed need VBN 39928 1410 46 by by IN 39928 1410 47 the the DT 39928 1410 48 vital vital JJ 39928 1410 49 fluids fluid NNS 39928 1410 50 , , , 39928 1410 51 and and CC 39928 1410 52 there there RB 39928 1410 53 built build VBD 39928 1410 54 up up RP 39928 1410 55 atom atom NN 39928 1410 56 by by IN 39928 1410 57 atom atom NN 39928 1410 58 or or CC 39928 1410 59 molecule molecule VB 39928 1410 60 by by IN 39928 1410 61 molecule molecule NN 39928 1410 62 into into IN 39928 1410 63 the the DT 39928 1410 64 special special JJ 39928 1410 65 structures structure NNS 39928 1410 66 of of IN 39928 1410 67 which which WDT 39928 1410 68 they -PRON- PRP 39928 1410 69 are be VBP 39928 1410 70 to to TO 39928 1410 71 form form VB 39928 1410 72 a a DT 39928 1410 73 part part NN 39928 1410 74 . . . 39928 1411 1 But but CC 39928 1411 2 even even RB 39928 1411 3 this this DT 39928 1411 4 marvel marvel NN 39928 1411 5 of of IN 39928 1411 6 growth growth NN 39928 1411 7 and and CC 39928 1411 8 repair repair NN 39928 1411 9 of of IN 39928 1411 10 every every DT 39928 1411 11 individual individual JJ 39928 1411 12 organism organism NN 39928 1411 13 is be VBZ 39928 1411 14 far far RB 39928 1411 15 surpassed surpass VBN 39928 1411 16 by by IN 39928 1411 17 the the DT 39928 1411 18 greater great JJR 39928 1411 19 marvel marvel NN 39928 1411 20 of of IN 39928 1411 21 reproduction reproduction NN 39928 1411 22 . . . 39928 1412 1 Every every DT 39928 1412 2 living live VBG 39928 1412 3 thing thing NN 39928 1412 4 of of IN 39928 1412 5 the the DT 39928 1412 6 higher high JJR 39928 1412 7 orders order NNS 39928 1412 8 arises arise VBZ 39928 1412 9 from from IN 39928 1412 10 a a DT 39928 1412 11 single single JJ 39928 1412 12 microscopic microscopic JJ 39928 1412 13 cell cell NN 39928 1412 14 , , , 39928 1412 15 when when WRB 39928 1412 16 fertilised fertilise VBN 39928 1412 17 , , , 39928 1412 18 as as IN 39928 1412 19 it -PRON- PRP 39928 1412 20 is be VBZ 39928 1412 21 termed term VBN 39928 1412 22 , , , 39928 1412 23 by by IN 39928 1412 24 the the DT 39928 1412 25 absorption absorption NN 39928 1412 26 of of IN 39928 1412 27 another another DT 39928 1412 28 microscopic microscopic JJ 39928 1412 29 cell cell NN 39928 1412 30 derived derive VBN 39928 1412 31 from from IN 39928 1412 32 a a DT 39928 1412 33 different different JJ 39928 1412 34 individual individual NN 39928 1412 35 . . . 39928 1413 1 These these DT 39928 1413 2 cells cell NNS 39928 1413 3 are be VBP 39928 1413 4 often often RB 39928 1413 5 , , , 39928 1413 6 even even RB 39928 1413 7 under under IN 39928 1413 8 the the DT 39928 1413 9 highest high JJS 39928 1413 10 powers power NNS 39928 1413 11 of of IN 39928 1413 12 the the DT 39928 1413 13 microscope microscope NN 39928 1413 14 , , , 39928 1413 15 hardly hardly RB 39928 1413 16 distinguishable distinguishable JJ 39928 1413 17 from from IN 39928 1413 18 other other JJ 39928 1413 19 cells cell NNS 39928 1413 20 which which WDT 39928 1413 21 occur occur VBP 39928 1413 22 in in IN 39928 1413 23 all all DT 39928 1413 24 animals animal NNS 39928 1413 25 and and CC 39928 1413 26 plants plant NNS 39928 1413 27 and and CC 39928 1413 28 of of IN 39928 1413 29 which which WDT 39928 1413 30 their -PRON- PRP$ 39928 1413 31 structure structure NN 39928 1413 32 is be VBZ 39928 1413 33 built build VBN 39928 1413 34 up up RP 39928 1413 35 ; ; : 39928 1413 36 yet yet CC 39928 1413 37 these these DT 39928 1413 38 special special JJ 39928 1413 39 cells cell NNS 39928 1413 40 begin begin VBP 39928 1413 41 to to TO 39928 1413 42 grow grow VB 39928 1413 43 in in IN 39928 1413 44 a a DT 39928 1413 45 totally totally RB 39928 1413 46 different different JJ 39928 1413 47 manner manner NN 39928 1413 48 , , , 39928 1413 49 and and CC 39928 1413 50 instead instead RB 39928 1413 51 of of IN 39928 1413 52 forming form VBG 39928 1413 53 one one CD 39928 1413 54 particular particular JJ 39928 1413 55 part part NN 39928 1413 56 of of IN 39928 1413 57 the the DT 39928 1413 58 organism organism NN 39928 1413 59 , , , 39928 1413 60 develop develop VB 39928 1413 61 inevitably inevitably RB 39928 1413 62 into into IN 39928 1413 63 a a DT 39928 1413 64 complete complete JJ 39928 1413 65 living living NN 39928 1413 66 thing thing NN 39928 1413 67 with with IN 39928 1413 68 all all PDT 39928 1413 69 the the DT 39928 1413 70 organs organ NNS 39928 1413 71 , , , 39928 1413 72 powers power NNS 39928 1413 73 , , , 39928 1413 74 and and CC 39928 1413 75 peculiarities peculiarity NNS 39928 1413 76 of of IN 39928 1413 77 its -PRON- PRP$ 39928 1413 78 parents parent NNS 39928 1413 79 , , , 39928 1413 80 so so IN 39928 1413 81 as as IN 39928 1413 82 to to TO 39928 1413 83 be be VB 39928 1413 84 recognisably recognisably RB 39928 1413 85 of of IN 39928 1413 86 the the DT 39928 1413 87 same same JJ 39928 1413 88 species specie NNS 39928 1413 89 . . . 39928 1414 1 If if IN 39928 1414 2 the the DT 39928 1414 3 simple simple JJ 39928 1414 4 growth growth NN 39928 1414 5 of of IN 39928 1414 6 the the DT 39928 1414 7 fully fully RB 39928 1414 8 formed form VBN 39928 1414 9 organism organism NN 39928 1414 10 is be VBZ 39928 1414 11 a a DT 39928 1414 12 mystery mystery NN 39928 1414 13 , , , 39928 1414 14 what what WP 39928 1414 15 of of IN 39928 1414 16 this this DT 39928 1414 17 growth growth NN 39928 1414 18 of of IN 39928 1414 19 thousands thousand NNS 39928 1414 20 of of IN 39928 1414 21 complex complex JJ 39928 1414 22 organisms organism NNS 39928 1414 23 each each DT 39928 1414 24 with with IN 39928 1414 25 all all DT 39928 1414 26 its -PRON- PRP$ 39928 1414 27 special special JJ 39928 1414 28 peculiarities peculiarity NNS 39928 1414 29 , , , 39928 1414 30 yet yet CC 39928 1414 31 all all DT 39928 1414 32 arising arise VBG 39928 1414 33 from from IN 39928 1414 34 minute minute JJ 39928 1414 35 germs germ NNS 39928 1414 36 or or CC 39928 1414 37 cells cell NNS 39928 1414 38 the the DT 39928 1414 39 diverse diverse JJ 39928 1414 40 natures nature NNS 39928 1414 41 of of IN 39928 1414 42 which which WDT 39928 1414 43 are be VBP 39928 1414 44 wholly wholly RB 39928 1414 45 indistinguishable indistinguishable JJ 39928 1414 46 by by IN 39928 1414 47 the the DT 39928 1414 48 highest high JJS 39928 1414 49 powers power NNS 39928 1414 50 of of IN 39928 1414 51 the the DT 39928 1414 52 microscope microscope NN 39928 1414 53 ? ? . 39928 1415 1 This this DT 39928 1415 2 , , , 39928 1415 3 too too RB 39928 1415 4 , , , 39928 1415 5 is be VBZ 39928 1415 6 said say VBN 39928 1415 7 to to TO 39928 1415 8 be be VB 39928 1415 9 the the DT 39928 1415 10 work work NN 39928 1415 11 of of IN 39928 1415 12 protoplasm protoplasm NN 39928 1415 13 under under IN 39928 1415 14 the the DT 39928 1415 15 influence influence NN 39928 1415 16 of of IN 39928 1415 17 heat heat NN 39928 1415 18 and and CC 39928 1415 19 moisture moisture NN 39928 1415 20 , , , 39928 1415 21 and and CC 39928 1415 22 modern modern JJ 39928 1415 23 physiologists physiologist NNS 39928 1415 24 hope hope VBP 39928 1415 25 some some DT 39928 1415 26 day day NN 39928 1415 27 to to TO 39928 1415 28 learn learn VB 39928 1415 29 ' ' `` 39928 1415 30 how how WRB 39928 1415 31 it -PRON- PRP 39928 1415 32 is be VBZ 39928 1415 33 done do VBN 39928 1415 34 . . . 39928 1415 35 ' ' '' 39928 1416 1 It -PRON- PRP 39928 1416 2 may may MD 39928 1416 3 be be VB 39928 1416 4 well well JJ 39928 1416 5 here here RB 39928 1416 6 to to TO 39928 1416 7 give give VB 39928 1416 8 the the DT 39928 1416 9 views view NNS 39928 1416 10 of of IN 39928 1416 11 a a DT 39928 1416 12 modern modern JJ 39928 1416 13 writer writer NN 39928 1416 14 on on IN 39928 1416 15 this this DT 39928 1416 16 point point NN 39928 1416 17 . . . 39928 1417 1 Referring refer VBG 39928 1417 2 to to IN 39928 1417 3 a a DT 39928 1417 4 difficulty difficulty NN 39928 1417 5 which which WDT 39928 1417 6 had have VBD 39928 1417 7 been be VBN 39928 1417 8 stated state VBN 39928 1417 9 by by IN 39928 1417 10 Clerk Clerk NNP 39928 1417 11 - - HYPH 39928 1417 12 Maxwell Maxwell NNP 39928 1417 13 twenty twenty CD 39928 1417 14 - - HYPH 39928 1417 15 five five CD 39928 1417 16 years year NNS 39928 1417 17 ago ago RB 39928 1417 18 , , , 39928 1417 19 that that IN 39928 1417 20 there there EX 39928 1417 21 was be VBD 39928 1417 22 not not RB 39928 1417 23 room room NN 39928 1417 24 in in IN 39928 1417 25 the the DT 39928 1417 26 reproductive reproductive JJ 39928 1417 27 cell cell NN 39928 1417 28 for for IN 39928 1417 29 the the DT 39928 1417 30 millions million NNS 39928 1417 31 of of IN 39928 1417 32 molecules molecule NNS 39928 1417 33 needed need VBN 39928 1417 34 to to TO 39928 1417 35 serve serve VB 39928 1417 36 as as IN 39928 1417 37 the the DT 39928 1417 38 units unit NNS 39928 1417 39 of of IN 39928 1417 40 growth growth NN 39928 1417 41 for for IN 39928 1417 42 all all PDT 39928 1417 43 the the DT 39928 1417 44 different different JJ 39928 1417 45 structures structure NNS 39928 1417 46 in in IN 39928 1417 47 the the DT 39928 1417 48 body body NN 39928 1417 49 of of IN 39928 1417 50 the the DT 39928 1417 51 higher high JJR 39928 1417 52 animals animal NNS 39928 1417 53 , , , 39928 1417 54 Professor Professor NNP 39928 1417 55 M'Kendrick M'Kendrick NNP 39928 1417 56 says:--'But says:--'But NNP 39928 1417 57 to to IN 39928 1417 58 - - HYPH 39928 1417 59 day day NN 39928 1417 60 , , , 39928 1417 61 it -PRON- PRP 39928 1417 62 is be VBZ 39928 1417 63 reasonable reasonable JJ 39928 1417 64 from from IN 39928 1417 65 existing exist VBG 39928 1417 66 data datum NNS 39928 1417 67 to to TO 39928 1417 68 suppose suppose VB 39928 1417 69 that that IN 39928 1417 70 the the DT 39928 1417 71 germinal germinal JJ 39928 1417 72 vesicle vesicle NN 39928 1417 73 might may MD 39928 1417 74 contain contain VB 39928 1417 75 a a DT 39928 1417 76 million million CD 39928 1417 77 of of IN 39928 1417 78 millions million NNS 39928 1417 79 of of IN 39928 1417 80 organic organic JJ 39928 1417 81 molecules molecule NNS 39928 1417 82 . . . 39928 1418 1 Complex complex JJ 39928 1418 2 arrangements arrangement NNS 39928 1418 3 of of IN 39928 1418 4 these these DT 39928 1418 5 molecules molecule NNS 39928 1418 6 suited suit VBN 39928 1418 7 for for IN 39928 1418 8 the the DT 39928 1418 9 development development NN 39928 1418 10 of of IN 39928 1418 11 all all PDT 39928 1418 12 the the DT 39928 1418 13 parts part NNS 39928 1418 14 of of IN 39928 1418 15 a a DT 39928 1418 16 highly highly RB 39928 1418 17 complicated complicated JJ 39928 1418 18 organism organism NN 39928 1418 19 , , , 39928 1418 20 might may MD 39928 1418 21 satisfy satisfy VB 39928 1418 22 all all PDT 39928 1418 23 the the DT 39928 1418 24 demands demand NNS 39928 1418 25 of of IN 39928 1418 26 the the DT 39928 1418 27 theory theory NN 39928 1418 28 of of IN 39928 1418 29 heredity heredity NN 39928 1418 30 . . . 39928 1419 1 Doubtless doubtless RB 39928 1419 2 the the DT 39928 1419 3 germ germ NN 39928 1419 4 was be VBD 39928 1419 5 a a DT 39928 1419 6 material material JJ 39928 1419 7 system system NN 39928 1419 8 through through IN 39928 1419 9 and and CC 39928 1419 10 through through RB 39928 1419 11 . . . 39928 1420 1 The the DT 39928 1420 2 conception conception NN 39928 1420 3 of of IN 39928 1420 4 the the DT 39928 1420 5 physicist physicist NN 39928 1420 6 was be VBD 39928 1420 7 , , , 39928 1420 8 that that IN 39928 1420 9 molecules molecule NNS 39928 1420 10 were be VBD 39928 1420 11 in in IN 39928 1420 12 various various JJ 39928 1420 13 states state NNS 39928 1420 14 of of IN 39928 1420 15 movement movement NN 39928 1420 16 ; ; : 39928 1420 17 and and CC 39928 1420 18 the the DT 39928 1420 19 thinkers thinker NNS 39928 1420 20 were be VBD 39928 1420 21 striving strive VBG 39928 1420 22 toward toward IN 39928 1420 23 a a DT 39928 1420 24 kinetic kinetic JJ 39928 1420 25 theory theory NN 39928 1420 26 of of IN 39928 1420 27 molecules molecule NNS 39928 1420 28 and and CC 39928 1420 29 of of IN 39928 1420 30 atoms atom NNS 39928 1420 31 of of IN 39928 1420 32 solid solid JJ 39928 1420 33 matter matter NN 39928 1420 34 , , , 39928 1420 35 which which WDT 39928 1420 36 might may MD 39928 1420 37 be be VB 39928 1420 38 as as RB 39928 1420 39 fruitful fruitful JJ 39928 1420 40 as as IN 39928 1420 41 the the DT 39928 1420 42 kinetic kinetic JJ 39928 1420 43 theory theory NN 39928 1420 44 of of IN 39928 1420 45 gases gas NNS 39928 1420 46 . . . 39928 1421 1 There there EX 39928 1421 2 were be VBD 39928 1421 3 motions motion NNS 39928 1421 4 atomic atomic JJ 39928 1421 5 and and CC 39928 1421 6 molecular molecular JJ 39928 1421 7 . . . 39928 1422 1 It -PRON- PRP 39928 1422 2 was be VBD 39928 1422 3 conceivable conceivable JJ 39928 1422 4 that that IN 39928 1422 5 the the DT 39928 1422 6 peculiarities peculiarity NNS 39928 1422 7 of of IN 39928 1422 8 vital vital JJ 39928 1422 9 action action NN 39928 1422 10 might may MD 39928 1422 11 be be VB 39928 1422 12 determined determine VBN 39928 1422 13 by by IN 39928 1422 14 the the DT 39928 1422 15 kind kind NN 39928 1422 16 of of IN 39928 1422 17 motion motion NN 39928 1422 18 that that WDT 39928 1422 19 took take VBD 39928 1422 20 place place NN 39928 1422 21 in in IN 39928 1422 22 the the DT 39928 1422 23 molecules molecule NNS 39928 1422 24 of of IN 39928 1422 25 what what WP 39928 1422 26 we -PRON- PRP 39928 1422 27 call call VBP 39928 1422 28 living live VBG 39928 1422 29 matter matter NN 39928 1422 30 . . . 39928 1423 1 It -PRON- PRP 39928 1423 2 might may MD 39928 1423 3 be be VB 39928 1423 4 different different JJ 39928 1423 5 in in IN 39928 1423 6 kind kind NN 39928 1423 7 from from IN 39928 1423 8 some some DT 39928 1423 9 of of IN 39928 1423 10 the the DT 39928 1423 11 motions motion NNS 39928 1423 12 dealt deal VBN 39928 1423 13 with with IN 39928 1423 14 by by IN 39928 1423 15 physicists physicist NNS 39928 1423 16 . . . 39928 1424 1 Life life NN 39928 1424 2 is be VBZ 39928 1424 3 continually continually RB 39928 1424 4 being be VBG 39928 1424 5 created create VBN 39928 1424 6 from from IN 39928 1424 7 non non JJ 39928 1424 8 - - JJ 39928 1424 9 living living JJ 39928 1424 10 material material NN 39928 1424 11 -- -- : 39928 1424 12 such such JJ 39928 1424 13 , , , 39928 1424 14 at at IN 39928 1424 15 least least JJS 39928 1424 16 , , , 39928 1424 17 is be VBZ 39928 1424 18 the the DT 39928 1424 19 existing exist VBG 39928 1424 20 view view NN 39928 1424 21 of of IN 39928 1424 22 growth growth NN 39928 1424 23 by by IN 39928 1424 24 the the DT 39928 1424 25 assimilation assimilation NN 39928 1424 26 of of IN 39928 1424 27 food food NN 39928 1424 28 . . . 39928 1425 1 The the DT 39928 1425 2 creation creation NN 39928 1425 3 of of IN 39928 1425 4 living living NN 39928 1425 5 matter matter NN 39928 1425 6 out out IN 39928 1425 7 of of IN 39928 1425 8 non non JJ 39928 1425 9 - - JJ 39928 1425 10 living living JJ 39928 1425 11 may may MD 39928 1425 12 be be VB 39928 1425 13 the the DT 39928 1425 14 transmission transmission NN 39928 1425 15 to to IN 39928 1425 16 the the DT 39928 1425 17 dead dead JJ 39928 1425 18 matter matter NN 39928 1425 19 of of IN 39928 1425 20 molecular molecular JJ 39928 1425 21 motions motion NNS 39928 1425 22 which which WDT 39928 1425 23 are be VBP 39928 1425 24 _ _ NNP 39928 1425 25 sui sui NNP 39928 1425 26 generis generis NNP 39928 1425 27 _ _ NNP 39928 1425 28 in in IN 39928 1425 29 form form NN 39928 1425 30 . . . 39928 1425 31 ' ' '' 39928 1426 1 This this DT 39928 1426 2 is be VBZ 39928 1426 3 the the DT 39928 1426 4 modern modern JJ 39928 1426 5 physiological physiological JJ 39928 1426 6 view view NN 39928 1426 7 of of IN 39928 1426 8 ' ' '' 39928 1426 9 how how WRB 39928 1426 10 it -PRON- PRP 39928 1426 11 may may MD 39928 1426 12 be be VB 39928 1426 13 done do VBN 39928 1426 14 , , , 39928 1426 15 ' ' '' 39928 1426 16 and and CC 39928 1426 17 it -PRON- PRP 39928 1426 18 seems seem VBZ 39928 1426 19 hardly hardly RB 39928 1426 20 more more RBR 39928 1426 21 intelligible intelligible JJ 39928 1426 22 than than IN 39928 1426 23 the the DT 39928 1426 24 very very RB 39928 1426 25 old old JJ 39928 1426 26 theory theory NN 39928 1426 27 of of IN 39928 1426 28 the the DT 39928 1426 29 origin origin NN 39928 1426 30 of of IN 39928 1426 31 stone stone NN 39928 1426 32 axes axis NNS 39928 1426 33 , , , 39928 1426 34 given give VBN 39928 1426 35 by by IN 39928 1426 36 Adrianus Adrianus NNP 39928 1426 37 Tollius Tollius NNP 39928 1426 38 in in IN 39928 1426 39 1649 1649 CD 39928 1426 40 , , , 39928 1426 41 and and CC 39928 1426 42 quoted quote VBN 39928 1426 43 by by IN 39928 1426 44 Mr. Mr. NNP 39928 1426 45 E.B. E.B. NNP 39928 1427 1 Tylor Tylor NNP 39928 1427 2 , , , 39928 1427 3 who who WP 39928 1427 4 says:--'He says:--'He VBZ 39928 1427 5 gives give VBZ 39928 1427 6 drawings drawing NNS 39928 1427 7 of of IN 39928 1427 8 some some DT 39928 1427 9 ordinary ordinary JJ 39928 1427 10 stone stone NN 39928 1427 11 axes axis NNS 39928 1427 12 and and CC 39928 1427 13 hammers hammer NNS 39928 1427 14 and and CC 39928 1427 15 tells tell VBZ 39928 1427 16 how how WRB 39928 1427 17 naturalists naturalist NNS 39928 1427 18 say say VBP 39928 1427 19 that that IN 39928 1427 20 they -PRON- PRP 39928 1427 21 are be VBP 39928 1427 22 generated generate VBN 39928 1427 23 in in IN 39928 1427 24 the the DT 39928 1427 25 sky sky NN 39928 1427 26 by by IN 39928 1427 27 a a DT 39928 1427 28 fulgureous fulgureous JJ 39928 1427 29 exhalation exhalation NN 39928 1427 30 conglobed conglobe VBD 39928 1427 31 in in IN 39928 1427 32 a a DT 39928 1427 33 cloud cloud NN 39928 1427 34 by by IN 39928 1427 35 the the DT 39928 1427 36 circumfixed circumfixed NNS 39928 1427 37 humour humour NN 39928 1427 38 , , , 39928 1427 39 and and CC 39928 1427 40 are be VBP 39928 1427 41 , , , 39928 1427 42 as as IN 39928 1427 43 it -PRON- PRP 39928 1427 44 were be VBD 39928 1427 45 , , , 39928 1427 46 baked bake VBN 39928 1427 47 hard hard RB 39928 1427 48 by by IN 39928 1427 49 intense intense JJ 39928 1427 50 heat heat NN 39928 1427 51 , , , 39928 1427 52 and and CC 39928 1427 53 the the DT 39928 1427 54 weapon weapon NN 39928 1427 55 becomes become VBZ 39928 1427 56 pointed point VBN 39928 1427 57 by by IN 39928 1427 58 the the DT 39928 1427 59 damp damp JJ 39928 1427 60 mixed mix VBN 39928 1427 61 with with IN 39928 1427 62 it -PRON- PRP 39928 1427 63 flying fly VBG 39928 1427 64 from from IN 39928 1427 65 the the DT 39928 1427 66 dry dry JJ 39928 1427 67 part part NN 39928 1427 68 , , , 39928 1427 69 and and CC 39928 1427 70 leaving leave VBG 39928 1427 71 the the DT 39928 1427 72 other other JJ 39928 1427 73 end end NN 39928 1427 74 denser denser NN 39928 1427 75 , , , 39928 1427 76 but but CC 39928 1427 77 the the DT 39928 1427 78 exhalations exhalation NNS 39928 1427 79 press press VBP 39928 1427 80 it -PRON- PRP 39928 1427 81 so so RB 39928 1427 82 hard hard RB 39928 1427 83 that that IN 39928 1427 84 it -PRON- PRP 39928 1427 85 breaks break VBZ 39928 1427 86 through through IN 39928 1427 87 the the DT 39928 1427 88 cloud cloud NN 39928 1427 89 and and CC 39928 1427 90 makes make VBZ 39928 1427 91 thunder thunder NN 39928 1427 92 and and CC 39928 1427 93 lightning lightning NN 39928 1427 94 . . . 39928 1428 1 But but CC 39928 1428 2 -- -- : 39928 1428 3 he -PRON- PRP 39928 1428 4 says say VBZ 39928 1428 5 -- -- : 39928 1428 6 if if IN 39928 1428 7 this this DT 39928 1428 8 is be VBZ 39928 1428 9 really really RB 39928 1428 10 the the DT 39928 1428 11 way way NN 39928 1428 12 in in IN 39928 1428 13 which which WDT 39928 1428 14 they -PRON- PRP 39928 1428 15 are be VBP 39928 1428 16 generated generate VBN 39928 1428 17 , , , 39928 1428 18 it -PRON- PRP 39928 1428 19 is be VBZ 39928 1428 20 odd odd JJ 39928 1428 21 they -PRON- PRP 39928 1428 22 are be VBP 39928 1428 23 not not RB 39928 1428 24 round round JJ 39928 1428 25 , , , 39928 1428 26 and and CC 39928 1428 27 that that IN 39928 1428 28 they -PRON- PRP 39928 1428 29 have have VBP 39928 1428 30 holes hole NNS 39928 1428 31 through through IN 39928 1428 32 them -PRON- PRP 39928 1428 33 . . . 39928 1429 1 It -PRON- PRP 39928 1429 2 is be VBZ 39928 1429 3 hardly hardly RB 39928 1429 4 to to TO 39928 1429 5 be be VB 39928 1429 6 believed believe VBN 39928 1429 7 , , , 39928 1429 8 he -PRON- PRP 39928 1429 9 thinks think VBZ 39928 1429 10 . . . 39928 1430 1 ' ' `` 39928 1430 2 [ [ -LRB- 39928 1430 3 15 15 CD 39928 1430 4 ] ] -RRB- 39928 1430 5 And and CC 39928 1430 6 so so RB 39928 1430 7 , , , 39928 1430 8 when when WRB 39928 1430 9 the the DT 39928 1430 10 physiologists physiologist NNS 39928 1430 11 , , , 39928 1430 12 determined determine VBN 39928 1430 13 to to TO 39928 1430 14 avoid avoid VB 39928 1430 15 the the DT 39928 1430 16 assumption assumption NN 39928 1430 17 of of IN 39928 1430 18 anything anything NN 39928 1430 19 beyond beyond IN 39928 1430 20 matter matter NN 39928 1430 21 and and CC 39928 1430 22 motion motion NN 39928 1430 23 in in IN 39928 1430 24 the the DT 39928 1430 25 germ germ NN 39928 1430 26 , , , 39928 1430 27 impute impute VB 39928 1430 28 the the DT 39928 1430 29 whole whole JJ 39928 1430 30 development development NN 39928 1430 31 and and CC 39928 1430 32 growth growth NN 39928 1430 33 of of IN 39928 1430 34 the the DT 39928 1430 35 elephant elephant NN 39928 1430 36 or or CC 39928 1430 37 of of IN 39928 1430 38 man man NN 39928 1430 39 from from IN 39928 1430 40 minute minute NN 39928 1430 41 cells cell NNS 39928 1430 42 internally internally RB 39928 1430 43 alike alike RB 39928 1430 44 , , , 39928 1430 45 by by IN 39928 1430 46 means mean NNS 39928 1430 47 of of IN 39928 1430 48 ' ' `` 39928 1430 49 kinds kind NNS 39928 1430 50 of of IN 39928 1430 51 motion motion NN 39928 1430 52 ' ' '' 39928 1430 53 and and CC 39928 1430 54 the the DT 39928 1430 55 ' ' `` 39928 1430 56 transmission transmission NN 39928 1430 57 of of IN 39928 1430 58 motions motion NNS 39928 1430 59 which which WDT 39928 1430 60 are be VBP 39928 1430 61 _ _ NNP 39928 1430 62 sui sui NNP 39928 1430 63 generis generis NNP 39928 1430 64 _ _ NNP 39928 1430 65 in in IN 39928 1430 66 form form NN 39928 1430 67 , , , 39928 1430 68 ' ' '' 39928 1430 69 many many JJ 39928 1430 70 of of IN 39928 1430 71 us -PRON- PRP 39928 1430 72 will will MD 39928 1430 73 be be VB 39928 1430 74 inclined incline VBN 39928 1430 75 to to TO 39928 1430 76 say say VB 39928 1430 77 with with IN 39928 1430 78 the the DT 39928 1430 79 old old JJ 39928 1430 80 author--'It author--'It NNS 39928 1430 81 is be VBZ 39928 1430 82 hardly hardly RB 39928 1430 83 to to TO 39928 1430 84 be be VB 39928 1430 85 believed believe VBN 39928 1430 86 , , , 39928 1430 87 I -PRON- PRP 39928 1430 88 think think VBP 39928 1430 89 . . . 39928 1430 90 ' ' '' 39928 1431 1 This this DT 39928 1431 2 brief brief JJ 39928 1431 3 statement statement NN 39928 1431 4 of of IN 39928 1431 5 the the DT 39928 1431 6 conclusions conclusion NNS 39928 1431 7 arrived arrive VBN 39928 1431 8 at at IN 39928 1431 9 by by IN 39928 1431 10 chemists chemist NNS 39928 1431 11 and and CC 39928 1431 12 physiologists physiologist NNS 39928 1431 13 as as IN 39928 1431 14 to to IN 39928 1431 15 the the DT 39928 1431 16 composition composition NN 39928 1431 17 and and CC 39928 1431 18 structure structure NN 39928 1431 19 of of IN 39928 1431 20 organised organise VBN 39928 1431 21 living live VBG 39928 1431 22 things thing NNS 39928 1431 23 has have VBZ 39928 1431 24 been be VBN 39928 1431 25 thought think VBN 39928 1431 26 advisable advisable JJ 39928 1431 27 , , , 39928 1431 28 because because IN 39928 1431 29 the the DT 39928 1431 30 non non JJ 39928 1431 31 - - JJ 39928 1431 32 scientific scientific JJ 39928 1431 33 reader reader NN 39928 1431 34 has have VBZ 39928 1431 35 often often RB 39928 1431 36 no no DT 39928 1431 37 conception conception NN 39928 1431 38 of of IN 39928 1431 39 the the DT 39928 1431 40 incomparable incomparable JJ 39928 1431 41 marvel marvel NN 39928 1431 42 and and CC 39928 1431 43 mystery mystery NN 39928 1431 44 of of IN 39928 1431 45 the the DT 39928 1431 46 life life NN 39928 1431 47 - - HYPH 39928 1431 48 processes process NNS 39928 1431 49 he -PRON- PRP 39928 1431 50 has have VBZ 39928 1431 51 always always RB 39928 1431 52 seen see VBN 39928 1431 53 going go VBG 39928 1431 54 on on RP 39928 1431 55 , , , 39928 1431 56 silently silently RB 39928 1431 57 and and CC 39928 1431 58 almost almost RB 39928 1431 59 unnoticed unnoticed JJ 39928 1431 60 , , , 39928 1431 61 in in IN 39928 1431 62 the the DT 39928 1431 63 world world NN 39928 1431 64 around around IN 39928 1431 65 him -PRON- PRP 39928 1431 66 . . . 39928 1432 1 And and CC 39928 1432 2 this this DT 39928 1432 3 is be VBZ 39928 1432 4 still still RB 39928 1432 5 more more JJR 39928 1432 6 the the DT 39928 1432 7 case case NN 39928 1432 8 now now RB 39928 1432 9 that that IN 39928 1432 10 two two CD 39928 1432 11 - - HYPH 39928 1432 12 thirds third NNS 39928 1432 13 of of IN 39928 1432 14 our -PRON- PRP$ 39928 1432 15 population population NN 39928 1432 16 are be VBP 39928 1432 17 crowded crowd VBN 39928 1432 18 into into IN 39928 1432 19 cities city NNS 39928 1432 20 where where WRB 39928 1432 21 , , , 39928 1432 22 removed remove VBN 39928 1432 23 from from IN 39928 1432 24 all all PDT 39928 1432 25 the the DT 39928 1432 26 occupations occupation NNS 39928 1432 27 , , , 39928 1432 28 the the DT 39928 1432 29 charms charm NNS 39928 1432 30 , , , 39928 1432 31 and and CC 39928 1432 32 the the DT 39928 1432 33 interests interest NNS 39928 1432 34 of of IN 39928 1432 35 country country NN 39928 1432 36 life life NN 39928 1432 37 , , , 39928 1432 38 they -PRON- PRP 39928 1432 39 are be VBP 39928 1432 40 driven drive VBN 39928 1432 41 to to TO 39928 1432 42 seek seek VB 39928 1432 43 occupation occupation NN 39928 1432 44 and and CC 39928 1432 45 excitement excitement NN 39928 1432 46 in in IN 39928 1432 47 the the DT 39928 1432 48 theatre theatre NN 39928 1432 49 , , , 39928 1432 50 the the DT 39928 1432 51 music music NN 39928 1432 52 - - HYPH 39928 1432 53 hall hall NN 39928 1432 54 , , , 39928 1432 55 or or CC 39928 1432 56 the the DT 39928 1432 57 tavern tavern NN 39928 1432 58 . . . 39928 1433 1 How how WRB 39928 1433 2 little little JJ 39928 1433 3 do do VBP 39928 1433 4 these these DT 39928 1433 5 know know VB 39928 1433 6 what what WP 39928 1433 7 they -PRON- PRP 39928 1433 8 lose lose VBP 39928 1433 9 by by IN 39928 1433 10 being be VBG 39928 1433 11 thus thus RB 39928 1433 12 shut shut VBN 39928 1433 13 out out RP 39928 1433 14 from from IN 39928 1433 15 all all DT 39928 1433 16 quiet quiet JJ 39928 1433 17 intercourse intercourse NN 39928 1433 18 with with IN 39928 1433 19 nature nature NN 39928 1433 20 ; ; : 39928 1433 21 its -PRON- PRP$ 39928 1433 22 soothing soothing JJ 39928 1433 23 sights sight NNS 39928 1433 24 and and CC 39928 1433 25 sounds sound NNS 39928 1433 26 ; ; : 39928 1433 27 its -PRON- PRP$ 39928 1433 28 exquisite exquisite JJ 39928 1433 29 beauties beauty NNS 39928 1433 30 of of IN 39928 1433 31 form form NN 39928 1433 32 and and CC 39928 1433 33 colour colour NN 39928 1433 34 ; ; : 39928 1433 35 its -PRON- PRP$ 39928 1433 36 endless endless JJ 39928 1433 37 mysteries mystery NNS 39928 1433 38 of of IN 39928 1433 39 birth birth NN 39928 1433 40 , , , 39928 1433 41 and and CC 39928 1433 42 life life NN 39928 1433 43 , , , 39928 1433 44 and and CC 39928 1433 45 death death NN 39928 1433 46 . . . 39928 1434 1 Most Most JJS 39928 1434 2 people people NNS 39928 1434 3 give give VBP 39928 1434 4 scientific scientific JJ 39928 1434 5 men man NNS 39928 1434 6 credit credit NN 39928 1434 7 for for IN 39928 1434 8 much much RB 39928 1434 9 greater great JJR 39928 1434 10 knowledge knowledge NN 39928 1434 11 than than IN 39928 1434 12 they -PRON- PRP 39928 1434 13 possess possess VBP 39928 1434 14 in in IN 39928 1434 15 these these DT 39928 1434 16 matters matter NNS 39928 1434 17 ; ; : 39928 1434 18 and and CC 39928 1434 19 many many JJ 39928 1434 20 educated educated JJ 39928 1434 21 readers reader NNS 39928 1434 22 will will MD 39928 1434 23 , , , 39928 1434 24 I -PRON- PRP 39928 1434 25 feel feel VBP 39928 1434 26 sure sure JJ 39928 1434 27 , , , 39928 1434 28 be be VB 39928 1434 29 surprised surprised JJ 39928 1434 30 to to TO 39928 1434 31 find find VB 39928 1434 32 that that IN 39928 1434 33 even even RB 39928 1434 34 such such JJ 39928 1434 35 apparently apparently RB 39928 1434 36 simple simple JJ 39928 1434 37 phenomena phenomena NN 39928 1434 38 as as IN 39928 1434 39 the the DT 39928 1434 40 rise rise NN 39928 1434 41 of of IN 39928 1434 42 the the DT 39928 1434 43 sap sap NN 39928 1434 44 in in IN 39928 1434 45 trees tree NNS 39928 1434 46 are be VBP 39928 1434 47 not not RB 39928 1434 48 yet yet RB 39928 1434 49 completely completely RB 39928 1434 50 explained explain VBN 39928 1434 51 . . . 39928 1435 1 As as IN 39928 1435 2 to to IN 39928 1435 3 the the DT 39928 1435 4 deeper deep JJR 39928 1435 5 problems problem NNS 39928 1435 6 of of IN 39928 1435 7 life life NN 39928 1435 8 , , , 39928 1435 9 and and CC 39928 1435 10 growth growth NN 39928 1435 11 , , , 39928 1435 12 and and CC 39928 1435 13 reproduction reproduction NN 39928 1435 14 , , , 39928 1435 15 though though IN 39928 1435 16 our -PRON- PRP$ 39928 1435 17 physiologists physiologist NNS 39928 1435 18 have have VBP 39928 1435 19 learned learn VBN 39928 1435 20 an an DT 39928 1435 21 infinite infinite JJ 39928 1435 22 amount amount NN 39928 1435 23 of of IN 39928 1435 24 curious curious JJ 39928 1435 25 or or CC 39928 1435 26 instructive instructive JJ 39928 1435 27 facts fact NNS 39928 1435 28 , , , 39928 1435 29 they -PRON- PRP 39928 1435 30 can can MD 39928 1435 31 give give VB 39928 1435 32 us -PRON- PRP 39928 1435 33 no no DT 39928 1435 34 intelligible intelligible JJ 39928 1435 35 explanation explanation NN 39928 1435 36 of of IN 39928 1435 37 them -PRON- PRP 39928 1435 38 . . . 39928 1436 1 The the DT 39928 1436 2 endless endless JJ 39928 1436 3 complexities complexity NNS 39928 1436 4 and and CC 39928 1436 5 confusing confusing JJ 39928 1436 6 amount amount NN 39928 1436 7 of of IN 39928 1436 8 detail detail NN 39928 1436 9 in in IN 39928 1436 10 all all DT 39928 1436 11 treatises treatise NNS 39928 1436 12 on on IN 39928 1436 13 the the DT 39928 1436 14 physiology physiology NN 39928 1436 15 of of IN 39928 1436 16 animals animal NNS 39928 1436 17 and and CC 39928 1436 18 plants plant NNS 39928 1436 19 are be VBP 39928 1436 20 such such JJ 39928 1436 21 , , , 39928 1436 22 that that IN 39928 1436 23 the the DT 39928 1436 24 average average JJ 39928 1436 25 reader reader NN 39928 1436 26 is be VBZ 39928 1436 27 overwhelmed overwhelmed JJ 39928 1436 28 with with IN 39928 1436 29 the the DT 39928 1436 30 mass mass NN 39928 1436 31 of of IN 39928 1436 32 knowledge knowledge NN 39928 1436 33 presented present VBN 39928 1436 34 to to IN 39928 1436 35 him -PRON- PRP 39928 1436 36 , , , 39928 1436 37 and and CC 39928 1436 38 concludes conclude VBZ 39928 1436 39 that that IN 39928 1436 40 after after IN 39928 1436 41 such such JJ 39928 1436 42 elaborate elaborate JJ 39928 1436 43 researches research NNS 39928 1436 44 everything everything NN 39928 1436 45 must must MD 39928 1436 46 be be VB 39928 1436 47 known know VBN 39928 1436 48 , , , 39928 1436 49 and and CC 39928 1436 50 that that IN 39928 1436 51 the the DT 39928 1436 52 almost almost RB 39928 1436 53 universal universal JJ 39928 1436 54 protests protest NNS 39928 1436 55 against against IN 39928 1436 56 the the DT 39928 1436 57 need need NN 39928 1436 58 of of IN 39928 1436 59 any any DT 39928 1436 60 causes cause NNS 39928 1436 61 but but CC 39928 1436 62 the the DT 39928 1436 63 mechanical mechanical JJ 39928 1436 64 , , , 39928 1436 65 physical physical JJ 39928 1436 66 , , , 39928 1436 67 and and CC 39928 1436 68 chemical chemical NN 39928 1436 69 laws law NNS 39928 1436 70 and and CC 39928 1436 71 forces force NNS 39928 1436 72 are be VBP 39928 1436 73 well well RB 39928 1436 74 founded found VBN 39928 1436 75 . . . 39928 1437 1 I -PRON- PRP 39928 1437 2 have have VBP 39928 1437 3 , , , 39928 1437 4 therefore therefore RB 39928 1437 5 , , , 39928 1437 6 thought think VBD 39928 1437 7 it -PRON- PRP 39928 1437 8 advisable advisable JJ 39928 1437 9 to to TO 39928 1437 10 present present VB 39928 1437 11 a a DT 39928 1437 12 kind kind NN 39928 1437 13 of of IN 39928 1437 14 bird's bird's NN 39928 1437 15 - - HYPH 39928 1437 16 eye eye NN 39928 1437 17 view view NN 39928 1437 18 of of IN 39928 1437 19 the the DT 39928 1437 20 subject subject NN 39928 1437 21 , , , 39928 1437 22 and and CC 39928 1437 23 to to TO 39928 1437 24 show show VB 39928 1437 25 , , , 39928 1437 26 in in IN 39928 1437 27 the the DT 39928 1437 28 words word NNS 39928 1437 29 of of IN 39928 1437 30 the the DT 39928 1437 31 greatest great JJS 39928 1437 32 living live VBG 39928 1437 33 authorities authority NNS 39928 1437 34 on on IN 39928 1437 35 these these DT 39928 1437 36 matters matter NNS 39928 1437 37 , , , 39928 1437 38 both both CC 39928 1437 39 how how WRB 39928 1437 40 complex complex JJ 39928 1437 41 are be VBP 39928 1437 42 the the DT 39928 1437 43 phenomena phenomenon NNS 39928 1437 44 and and CC 39928 1437 45 how how WRB 39928 1437 46 far far RB 39928 1437 47 our -PRON- PRP$ 39928 1437 48 teachers teacher NNS 39928 1437 49 are be VBP 39928 1437 50 from from IN 39928 1437 51 being be VBG 39928 1437 52 able able JJ 39928 1437 53 to to TO 39928 1437 54 give give VB 39928 1437 55 us -PRON- PRP 39928 1437 56 any any DT 39928 1437 57 adequate adequate JJ 39928 1437 58 explanation explanation NN 39928 1437 59 of of IN 39928 1437 60 them -PRON- PRP 39928 1437 61 . . . 39928 1438 1 I -PRON- PRP 39928 1438 2 venture venture VBP 39928 1438 3 to to TO 39928 1438 4 hope hope VB 39928 1438 5 that that IN 39928 1438 6 the the DT 39928 1438 7 very very RB 39928 1438 8 brief brief JJ 39928 1438 9 sketch sketch NN 39928 1438 10 of of IN 39928 1438 11 the the DT 39928 1438 12 subject subject NN 39928 1438 13 I -PRON- PRP 39928 1438 14 have have VBP 39928 1438 15 been be VBN 39928 1438 16 able able JJ 39928 1438 17 to to TO 39928 1438 18 give give VB 39928 1438 19 will will MD 39928 1438 20 enable enable VB 39928 1438 21 my -PRON- PRP$ 39928 1438 22 readers reader NNS 39928 1438 23 to to TO 39928 1438 24 form form VB 39928 1438 25 some some DT 39928 1438 26 faint faint JJ 39928 1438 27 general general JJ 39928 1438 28 conception conception NN 39928 1438 29 of of IN 39928 1438 30 the the DT 39928 1438 31 infinite infinite JJ 39928 1438 32 complexity complexity NN 39928 1438 33 of of IN 39928 1438 34 life life NN 39928 1438 35 and and CC 39928 1438 36 the the DT 39928 1438 37 various various JJ 39928 1438 38 problems problem NNS 39928 1438 39 connected connect VBN 39928 1438 40 with with IN 39928 1438 41 it -PRON- PRP 39928 1438 42 ; ; : 39928 1438 43 and and CC 39928 1438 44 that that IN 39928 1438 45 they -PRON- PRP 39928 1438 46 will will MD 39928 1438 47 thus thus RB 39928 1438 48 be be VB 39928 1438 49 the the DT 39928 1438 50 better well JJR 39928 1438 51 enabled enable VBN 39928 1438 52 to to TO 39928 1438 53 appreciate appreciate VB 39928 1438 54 the the DT 39928 1438 55 extreme extreme JJ 39928 1438 56 delicacy delicacy NN 39928 1438 57 of of IN 39928 1438 58 those those DT 39928 1438 59 adjustments adjustment NNS 39928 1438 60 , , , 39928 1438 61 those those DT 39928 1438 62 forces force NNS 39928 1438 63 , , , 39928 1438 64 and and CC 39928 1438 65 those those DT 39928 1438 66 complex complex JJ 39928 1438 67 conditions condition NNS 39928 1438 68 of of IN 39928 1438 69 the the DT 39928 1438 70 environment environment NN 39928 1438 71 , , , 39928 1438 72 that that IN 39928 1438 73 alone alone RB 39928 1438 74 render render VBP 39928 1438 75 life life NN 39928 1438 76 , , , 39928 1438 77 and and CC 39928 1438 78 above above IN 39928 1438 79 all all PDT 39928 1438 80 the the DT 39928 1438 81 grand grand JJ 39928 1438 82 age age NN 39928 1438 83 - - HYPH 39928 1438 84 long long JJ 39928 1438 85 panorama panorama NN 39928 1438 86 of of IN 39928 1438 87 the the DT 39928 1438 88 development development NN 39928 1438 89 of of IN 39928 1438 90 life life NN 39928 1438 91 , , , 39928 1438 92 in in IN 39928 1438 93 any any DT 39928 1438 94 way way NN 39928 1438 95 possible possible JJ 39928 1438 96 . . . 39928 1439 1 It -PRON- PRP 39928 1439 2 is be VBZ 39928 1439 3 to to IN 39928 1439 4 these these DT 39928 1439 5 conditions condition NNS 39928 1439 6 , , , 39928 1439 7 as as IN 39928 1439 8 they -PRON- PRP 39928 1439 9 prevail prevail VBP 39928 1439 10 in in IN 39928 1439 11 the the DT 39928 1439 12 world world NN 39928 1439 13 around around IN 39928 1439 14 us -PRON- PRP 39928 1439 15 , , , 39928 1439 16 that that IN 39928 1439 17 we -PRON- PRP 39928 1439 18 will will MD 39928 1439 19 now now RB 39928 1439 20 direct direct VB 39928 1439 21 our -PRON- PRP$ 39928 1439 22 attention attention NN 39928 1439 23 . . . 39928 1440 1 FOOTNOTES footnote NNS 39928 1440 2 : : : 39928 1440 3 [ [ -LRB- 39928 1440 4 11 11 CD 39928 1440 5 ] ] -RRB- 39928 1440 6 Professor Professor NNP 39928 1440 7 F.J. F.J. NNP 39928 1440 8 Allen Allen NNP 39928 1440 9 : : : 39928 1440 10 _ _ NNP 39928 1440 11 What what WP 39928 1440 12 is be VBZ 39928 1440 13 Life life NN 39928 1440 14 ? ? . 39928 1440 15 _ _ NNP 39928 1440 16 [ [ -LRB- 39928 1440 17 12 12 CD 39928 1440 18 ] ] -RRB- 39928 1440 19 Art art NN 39928 1440 20 . . . 39928 1441 1 ' ' `` 39928 1441 2 Vegetable Vegetable NNP 39928 1441 3 Physiology Physiology NNP 39928 1441 4 ' ' '' 39928 1441 5 in in IN 39928 1441 6 _ _ NNP 39928 1441 7 Chambers Chambers NNP 39928 1441 8 's 's POS 39928 1441 9 Encyclopædia Encyclopædia NNP 39928 1441 10 _ _ NNP 39928 1441 11 . . . 39928 1442 1 [ [ -LRB- 39928 1442 2 13 13 CD 39928 1442 3 ] ] -RRB- 39928 1442 4 Address address NN 39928 1442 5 to to IN 39928 1442 6 the the DT 39928 1442 7 British British NNP 39928 1442 8 Association Association NNP 39928 1442 9 , , , 39928 1442 10 1902 1902 CD 39928 1442 11 , , , 39928 1442 12 Section Section NNP 39928 1442 13 Physiology Physiology NNP 39928 1442 14 . . . 39928 1443 1 [ [ -LRB- 39928 1443 2 14 14 CD 39928 1443 3 ] ] -RRB- 39928 1443 4 This this DT 39928 1443 5 enumeration enumeration NN 39928 1443 6 of of IN 39928 1443 7 the the DT 39928 1443 8 elements element NNS 39928 1443 9 that that WDT 39928 1443 10 enter enter VBP 39928 1443 11 into into IN 39928 1443 12 the the DT 39928 1443 13 structure structure NN 39928 1443 14 of of IN 39928 1443 15 plants plant NNS 39928 1443 16 and and CC 39928 1443 17 animals animal NNS 39928 1443 18 is be VBZ 39928 1443 19 taken take VBN 39928 1443 20 from from IN 39928 1443 21 Professor Professor NNP 39928 1443 22 F.J. F.J. NNP 39928 1443 23 Allen Allen NNP 39928 1443 24 's 's POS 39928 1443 25 paper paper NN 39928 1443 26 already already RB 39928 1443 27 referred refer VBD 39928 1443 28 to to IN 39928 1443 29 . . . 39928 1444 1 [ [ -LRB- 39928 1444 2 15 15 CD 39928 1444 3 ] ] -RRB- 39928 1444 4 _ _ NNP 39928 1444 5 Early early JJ 39928 1444 6 History history NN 39928 1444 7 of of IN 39928 1444 8 Mankind Mankind NNP 39928 1444 9 _ _ NNP 39928 1444 10 , , , 39928 1444 11 2nd 2nd NNP 39928 1444 12 ed ed NNP 39928 1444 13 . . . 39928 1445 1 p. p. NN 39928 1445 2 227 227 CD 39928 1445 3 . . . 39928 1446 1 CHAPTER chapter NN 39928 1446 2 XI XI NNP 39928 1446 3 THE the DT 39928 1446 4 PHYSICAL physical NN 39928 1446 5 CONDITIONS conditions NN 39928 1446 6 ESSENTIAL essential NN 39928 1446 7 FOR for IN 39928 1446 8 ORGANIC ORGANIC NNP 39928 1446 9 LIFE LIFE NNP 39928 1446 10 The the DT 39928 1446 11 physical physical JJ 39928 1446 12 conditions condition NNS 39928 1446 13 on on IN 39928 1446 14 the the DT 39928 1446 15 surface surface NN 39928 1446 16 of of IN 39928 1446 17 our -PRON- PRP$ 39928 1446 18 earth earth NN 39928 1446 19 which which WDT 39928 1446 20 appear appear VBP 39928 1446 21 to to TO 39928 1446 22 be be VB 39928 1446 23 necessary necessary JJ 39928 1446 24 for for IN 39928 1446 25 the the DT 39928 1446 26 development development NN 39928 1446 27 and and CC 39928 1446 28 maintenance maintenance NN 39928 1446 29 of of IN 39928 1446 30 living living NN 39928 1446 31 organisms organism NNS 39928 1446 32 may may MD 39928 1446 33 be be VB 39928 1446 34 dealt deal VBN 39928 1446 35 with with IN 39928 1446 36 under under IN 39928 1446 37 the the DT 39928 1446 38 following following JJ 39928 1446 39 headings:-- headings:-- ADD 39928 1446 40 1 1 CD 39928 1446 41 . . . 39928 1447 1 Regularity regularity NN 39928 1447 2 of of IN 39928 1447 3 heat heat NN 39928 1447 4 - - HYPH 39928 1447 5 supply supply NN 39928 1447 6 , , , 39928 1447 7 resulting result VBG 39928 1447 8 in in IN 39928 1447 9 a a DT 39928 1447 10 limited limited JJ 39928 1447 11 range range NN 39928 1447 12 of of IN 39928 1447 13 temperature temperature NN 39928 1447 14 . . . 39928 1448 1 2 2 LS 39928 1448 2 . . . 39928 1449 1 A a DT 39928 1449 2 sufficient sufficient JJ 39928 1449 3 amount amount NN 39928 1449 4 of of IN 39928 1449 5 solar solar JJ 39928 1449 6 light light NN 39928 1449 7 and and CC 39928 1449 8 heat heat NN 39928 1449 9 . . . 39928 1450 1 3 3 LS 39928 1450 2 . . . 39928 1451 1 Water water NN 39928 1451 2 in in IN 39928 1451 3 great great JJ 39928 1451 4 abundance abundance NN 39928 1451 5 , , , 39928 1451 6 and and CC 39928 1451 7 universally universally RB 39928 1451 8 distributed distributed JJ 39928 1451 9 . . . 39928 1452 1 4 4 LS 39928 1452 2 . . . 39928 1453 1 An an DT 39928 1453 2 atmosphere atmosphere NN 39928 1453 3 of of IN 39928 1453 4 sufficient sufficient JJ 39928 1453 5 density density NN 39928 1453 6 , , , 39928 1453 7 and and CC 39928 1453 8 consisting consisting NN 39928 1453 9 of of IN 39928 1453 10 the the DT 39928 1453 11 gases gas NNS 39928 1453 12 which which WDT 39928 1453 13 are be VBP 39928 1453 14 essential essential JJ 39928 1453 15 for for IN 39928 1453 16 vegetable vegetable NN 39928 1453 17 and and CC 39928 1453 18 animal animal NN 39928 1453 19 life life NN 39928 1453 20 . . . 39928 1454 1 These these DT 39928 1454 2 are be VBP 39928 1454 3 Oxygen oxygen NN 39928 1454 4 , , , 39928 1454 5 Carbonic carbonic JJ 39928 1454 6 - - HYPH 39928 1454 7 acid acid NN 39928 1454 8 gas gas NN 39928 1454 9 , , , 39928 1454 10 Aqueous aqueous JJ 39928 1454 11 vapour vapour NN 39928 1454 12 , , , 39928 1454 13 Nitrogen Nitrogen NNP 39928 1454 14 , , , 39928 1454 15 and and CC 39928 1454 16 Ammonia Ammonia NNP 39928 1454 17 . . . 39928 1455 1 These these DT 39928 1455 2 must must MD 39928 1455 3 all all DT 39928 1455 4 be be VB 39928 1455 5 present present JJ 39928 1455 6 in in IN 39928 1455 7 suitable suitable JJ 39928 1455 8 proportions proportion NNS 39928 1455 9 . . . 39928 1456 1 5 5 CD 39928 1456 2 . . . 39928 1457 1 Alternations alternation NNS 39928 1457 2 of of IN 39928 1457 3 day day NN 39928 1457 4 and and CC 39928 1457 5 night night NN 39928 1457 6 . . . 39928 1458 1 SMALL small JJ 39928 1458 2 RANGE RANGE NNS 39928 1458 3 OF of IN 39928 1458 4 TEMPERATURE temperature NN 39928 1458 5 REQUIRED REQUIRED NNS 39928 1458 6 FOR for IN 39928 1458 7 GROWTH GROWTH NNS 39928 1458 8 AND and CC 39928 1458 9 DEVELOPMENT development VB 39928 1458 10 Vital vital JJ 39928 1458 11 phenomena phenomenon NNS 39928 1458 12 for for IN 39928 1458 13 the the DT 39928 1458 14 most most JJS 39928 1458 15 part part NN 39928 1458 16 occur occur VBP 39928 1458 17 between between IN 39928 1458 18 the the DT 39928 1458 19 temperatures temperature NNS 39928 1458 20 of of IN 39928 1458 21 freezing freeze VBG 39928 1458 22 water water NN 39928 1458 23 and and CC 39928 1458 24 104 104 CD 39928 1458 25 ° ° NNS 39928 1458 26 Fahr Fahr NNP 39928 1458 27 . . NNP 39928 1458 28 , , , 39928 1458 29 and and CC 39928 1458 30 this this DT 39928 1458 31 is be VBZ 39928 1458 32 supposed suppose VBN 39928 1458 33 to to TO 39928 1458 34 be be VB 39928 1458 35 due due JJ 39928 1458 36 mainly mainly RB 39928 1458 37 to to IN 39928 1458 38 the the DT 39928 1458 39 properties property NNS 39928 1458 40 of of IN 39928 1458 41 nitrogen nitrogen NN 39928 1458 42 and and CC 39928 1458 43 its -PRON- PRP$ 39928 1458 44 compounds compound NNS 39928 1458 45 , , , 39928 1458 46 which which WDT 39928 1458 47 between between IN 39928 1458 48 these these DT 39928 1458 49 temperatures temperature NNS 39928 1458 50 only only RB 39928 1458 51 can can MD 39928 1458 52 maintain maintain VB 39928 1458 53 those those DT 39928 1458 54 peculiarities peculiarity NNS 39928 1458 55 which which WDT 39928 1458 56 are be VBP 39928 1458 57 essential essential JJ 39928 1458 58 to to IN 39928 1458 59 life life NN 39928 1458 60 -- -- : 39928 1458 61 extreme extreme JJ 39928 1458 62 sensitiveness sensitiveness NN 39928 1458 63 and and CC 39928 1458 64 lability lability NN 39928 1458 65 ; ; : 39928 1458 66 facility facility NN 39928 1458 67 of of IN 39928 1458 68 change change NN 39928 1458 69 as as IN 39928 1458 70 regards regard VBZ 39928 1458 71 chemical chemical NN 39928 1458 72 combination combination NN 39928 1458 73 and and CC 39928 1458 74 energy energy NN 39928 1458 75 ; ; , 39928 1458 76 and and CC 39928 1458 77 other other JJ 39928 1458 78 properties property NNS 39928 1458 79 which which WDT 39928 1458 80 alone alone RB 39928 1458 81 render render VBP 39928 1458 82 nutrition nutrition NN 39928 1458 83 , , , 39928 1458 84 growth growth NN 39928 1458 85 , , , 39928 1458 86 and and CC 39928 1458 87 continual continual JJ 39928 1458 88 repair repair NN 39928 1458 89 possible possible JJ 39928 1458 90 . . . 39928 1459 1 A a DT 39928 1459 2 very very RB 39928 1459 3 small small JJ 39928 1459 4 increase increase NN 39928 1459 5 or or CC 39928 1459 6 decrease decrease NN 39928 1459 7 of of IN 39928 1459 8 temperature temperature NN 39928 1459 9 beyond beyond IN 39928 1459 10 these these DT 39928 1459 11 limits limit NNS 39928 1459 12 , , , 39928 1459 13 if if IN 39928 1459 14 continued continue VBN 39928 1459 15 for for IN 39928 1459 16 any any DT 39928 1459 17 considerable considerable JJ 39928 1459 18 time time NN 39928 1459 19 , , , 39928 1459 20 would would MD 39928 1459 21 certainly certainly RB 39928 1459 22 destroy destroy VB 39928 1459 23 most most JJS 39928 1459 24 existing exist VBG 39928 1459 25 forms form NNS 39928 1459 26 of of IN 39928 1459 27 life life NN 39928 1459 28 , , , 39928 1459 29 and and CC 39928 1459 30 would would MD 39928 1459 31 not not RB 39928 1459 32 improbably improbably RB 39928 1459 33 render render VB 39928 1459 34 any any DT 39928 1459 35 further further JJ 39928 1459 36 development development NN 39928 1459 37 of of IN 39928 1459 38 life life NN 39928 1459 39 impossible impossible JJ 39928 1459 40 except except IN 39928 1459 41 in in IN 39928 1459 42 some some DT 39928 1459 43 of of IN 39928 1459 44 its -PRON- PRP$ 39928 1459 45 lowest low JJS 39928 1459 46 forms form NNS 39928 1459 47 . . . 39928 1460 1 As as IN 39928 1460 2 one one CD 39928 1460 3 example example NN 39928 1460 4 of of IN 39928 1460 5 the the DT 39928 1460 6 direct direct JJ 39928 1460 7 effects effect NNS 39928 1460 8 of of IN 39928 1460 9 increased increase VBN 39928 1460 10 temperature temperature NN 39928 1460 11 , , , 39928 1460 12 we -PRON- PRP 39928 1460 13 may may MD 39928 1460 14 adduce adduce VB 39928 1460 15 the the DT 39928 1460 16 coagulation coagulation NN 39928 1460 17 of of IN 39928 1460 18 albumen albuman NNS 39928 1460 19 . . . 39928 1461 1 This this DT 39928 1461 2 substance substance NN 39928 1461 3 is be VBZ 39928 1461 4 one one CD 39928 1461 5 of of IN 39928 1461 6 the the DT 39928 1461 7 proteids proteid NNS 39928 1461 8 , , , 39928 1461 9 and and CC 39928 1461 10 plays play VBZ 39928 1461 11 an an DT 39928 1461 12 important important JJ 39928 1461 13 part part NN 39928 1461 14 in in IN 39928 1461 15 the the DT 39928 1461 16 vital vital JJ 39928 1461 17 phenomena phenomenon NNS 39928 1461 18 of of IN 39928 1461 19 both both DT 39928 1461 20 plants plant NNS 39928 1461 21 and and CC 39928 1461 22 animals animal NNS 39928 1461 23 , , , 39928 1461 24 and and CC 39928 1461 25 its -PRON- PRP$ 39928 1461 26 fluidity fluidity NN 39928 1461 27 and and CC 39928 1461 28 power power NN 39928 1461 29 of of IN 39928 1461 30 easy easy JJ 39928 1461 31 combination combination NN 39928 1461 32 and and CC 39928 1461 33 change change NN 39928 1461 34 of of IN 39928 1461 35 form form NN 39928 1461 36 are be VBP 39928 1461 37 lost lose VBN 39928 1461 38 by by IN 39928 1461 39 any any DT 39928 1461 40 degree degree NN 39928 1461 41 of of IN 39928 1461 42 coagulation coagulation NN 39928 1461 43 which which WDT 39928 1461 44 takes take VBZ 39928 1461 45 place place NN 39928 1461 46 at at IN 39928 1461 47 about about IN 39928 1461 48 160 160 CD 39928 1461 49 ° ° NNS 39928 1461 50 Fahr Fahr NNPS 39928 1461 51 . . . 39928 1462 1 The the DT 39928 1462 2 extreme extreme JJ 39928 1462 3 importance importance NN 39928 1462 4 to to IN 39928 1462 5 all all PDT 39928 1462 6 the the DT 39928 1462 7 higher high JJR 39928 1462 8 organisms organism NNS 39928 1462 9 of of IN 39928 1462 10 a a DT 39928 1462 11 moderate moderate JJ 39928 1462 12 temperature temperature NN 39928 1462 13 is be VBZ 39928 1462 14 strikingly strikingly RB 39928 1462 15 shown show VBN 39928 1462 16 by by IN 39928 1462 17 the the DT 39928 1462 18 complex complex JJ 39928 1462 19 and and CC 39928 1462 20 successful successful JJ 39928 1462 21 arrangements arrangement NNS 39928 1462 22 for for IN 39928 1462 23 maintaining maintain VBG 39928 1462 24 a a DT 39928 1462 25 uniform uniform JJ 39928 1462 26 degree degree NN 39928 1462 27 of of IN 39928 1462 28 heat heat NN 39928 1462 29 in in IN 39928 1462 30 the the DT 39928 1462 31 interior interior NN 39928 1462 32 of of IN 39928 1462 33 the the DT 39928 1462 34 body body NN 39928 1462 35 . . . 39928 1463 1 The the DT 39928 1463 2 normal normal JJ 39928 1463 3 blood blood NN 39928 1463 4 - - HYPH 39928 1463 5 heat heat NN 39928 1463 6 in in IN 39928 1463 7 a a DT 39928 1463 8 man man NN 39928 1463 9 is be VBZ 39928 1463 10 98 98 CD 39928 1463 11 ° ° NNS 39928 1463 12 Fahr Fahr NNP 39928 1463 13 . . NNP 39928 1463 14 , , , 39928 1463 15 and and CC 39928 1463 16 this this DT 39928 1463 17 is be VBZ 39928 1463 18 constantly constantly RB 39928 1463 19 maintained maintain VBN 39928 1463 20 within within IN 39928 1463 21 one one CD 39928 1463 22 or or CC 39928 1463 23 two two CD 39928 1463 24 degrees degree NNS 39928 1463 25 though though IN 39928 1463 26 the the DT 39928 1463 27 external external JJ 39928 1463 28 temperature temperature NN 39928 1463 29 may may MD 39928 1463 30 be be VB 39928 1463 31 more more JJR 39928 1463 32 than than IN 39928 1463 33 fifty fifty CD 39928 1463 34 degrees degree NNS 39928 1463 35 below below IN 39928 1463 36 the the DT 39928 1463 37 freezing freezing NN 39928 1463 38 - - HYPH 39928 1463 39 point point NN 39928 1463 40 . . . 39928 1464 1 High high JJ 39928 1464 2 temperatures temperature NNS 39928 1464 3 upon upon IN 39928 1464 4 the the DT 39928 1464 5 earth earth NN 39928 1464 6 's 's POS 39928 1464 7 surface surface NN 39928 1464 8 do do VBP 39928 1464 9 not not RB 39928 1464 10 range range VB 39928 1464 11 so so RB 39928 1464 12 far far RB 39928 1464 13 from from IN 39928 1464 14 the the DT 39928 1464 15 mean mean NN 39928 1464 16 as as IN 39928 1464 17 do do VBP 39928 1464 18 the the DT 39928 1464 19 low low NN 39928 1464 20 . . . 39928 1465 1 In in IN 39928 1465 2 the the DT 39928 1465 3 greater great JJR 39928 1465 4 part part NN 39928 1465 5 of of IN 39928 1465 6 the the DT 39928 1465 7 tropics tropics NNPS 39928 1465 8 the the DT 39928 1465 9 air air NN 39928 1465 10 - - HYPH 39928 1465 11 temperature temperature NN 39928 1465 12 seldom seldom RB 39928 1465 13 reaches reach VBZ 39928 1465 14 96 96 CD 39928 1465 15 ° ° NNS 39928 1465 16 Fahr Fahr NNP 39928 1465 17 . . NNP 39928 1465 18 , , , 39928 1465 19 though though IN 39928 1465 20 in in IN 39928 1465 21 arid arid JJ 39928 1465 22 districts district NNS 39928 1465 23 and and CC 39928 1465 24 deserts desert NNS 39928 1465 25 , , , 39928 1465 26 which which WDT 39928 1465 27 occur occur VBP 39928 1465 28 chiefly chiefly RB 39928 1465 29 along along IN 39928 1465 30 the the DT 39928 1465 31 margins margin NNS 39928 1465 32 of of IN 39928 1465 33 the the DT 39928 1465 34 northern northern JJ 39928 1465 35 and and CC 39928 1465 36 southern southern JJ 39928 1465 37 tropics tropic NNS 39928 1465 38 , , , 39928 1465 39 it -PRON- PRP 39928 1465 40 not not RB 39928 1465 41 unfrequently unfrequently RB 39928 1465 42 surpasses surpass VBZ 39928 1465 43 110 110 CD 39928 1465 44 ° ° NNS 39928 1465 45 Fahr Fahr NNP 39928 1465 46 . . . 39928 1465 47 , , , 39928 1465 48 and and CC 39928 1465 49 even even RB 39928 1465 50 occasionally occasionally RB 39928 1465 51 rises rise VBZ 39928 1465 52 to to IN 39928 1465 53 115 115 CD 39928 1465 54 ° ° NNS 39928 1465 55 or or CC 39928 1465 56 120 120 CD 39928 1465 57 ° ° NNS 39928 1465 58 in in IN 39928 1465 59 Australia Australia NNP 39928 1465 60 and and CC 39928 1465 61 Central Central NNP 39928 1465 62 India India NNP 39928 1465 63 . . . 39928 1466 1 Yet yet CC 39928 1466 2 with with IN 39928 1466 3 suitable suitable JJ 39928 1466 4 food food NN 39928 1466 5 and and CC 39928 1466 6 moderate moderate JJ 39928 1466 7 care care VB 39928 1466 8 the the DT 39928 1466 9 blood blood NN 39928 1466 10 - - HYPH 39928 1466 11 temperature temperature NN 39928 1466 12 of of IN 39928 1466 13 a a DT 39928 1466 14 healthy healthy JJ 39928 1466 15 man man NN 39928 1466 16 would would MD 39928 1466 17 not not RB 39928 1466 18 rise rise VB 39928 1466 19 or or CC 39928 1466 20 fall fall VB 39928 1466 21 more more JJR 39928 1466 22 than than IN 39928 1466 23 one one CD 39928 1466 24 or or CC 39928 1466 25 at at IN 39928 1466 26 most most RBS 39928 1466 27 two two CD 39928 1466 28 degrees degree NNS 39928 1466 29 . . . 39928 1467 1 The the DT 39928 1467 2 great great JJ 39928 1467 3 importance importance NN 39928 1467 4 of of IN 39928 1467 5 this this DT 39928 1467 6 uniformity uniformity NN 39928 1467 7 of of IN 39928 1467 8 temperature temperature NN 39928 1467 9 in in IN 39928 1467 10 all all PDT 39928 1467 11 the the DT 39928 1467 12 vital vital JJ 39928 1467 13 organs organ NNS 39928 1467 14 is be VBZ 39928 1467 15 distinctly distinctly RB 39928 1467 16 shown show VBN 39928 1467 17 by by IN 39928 1467 18 the the DT 39928 1467 19 fact fact NN 39928 1467 20 that that IN 39928 1467 21 when when WRB 39928 1467 22 , , , 39928 1467 23 during during IN 39928 1467 24 fevers fever NNS 39928 1467 25 , , , 39928 1467 26 the the DT 39928 1467 27 temperature temperature NN 39928 1467 28 of of IN 39928 1467 29 the the DT 39928 1467 30 patient patient NN 39928 1467 31 rises rise VBZ 39928 1467 32 six six CD 39928 1467 33 degrees degree NNS 39928 1467 34 above above IN 39928 1467 35 the the DT 39928 1467 36 normal normal JJ 39928 1467 37 amount amount NN 39928 1467 38 , , , 39928 1467 39 his -PRON- PRP$ 39928 1467 40 condition condition NN 39928 1467 41 is be VBZ 39928 1467 42 critical critical JJ 39928 1467 43 , , , 39928 1467 44 while while IN 39928 1467 45 an an DT 39928 1467 46 increase increase NN 39928 1467 47 of of IN 39928 1467 48 seven seven CD 39928 1467 49 or or CC 39928 1467 50 eight eight CD 39928 1467 51 degrees degree NNS 39928 1467 52 is be VBZ 39928 1467 53 an an DT 39928 1467 54 almost almost RB 39928 1467 55 certain certain JJ 39928 1467 56 indication indication NN 39928 1467 57 of of IN 39928 1467 58 a a DT 39928 1467 59 fatal fatal JJ 39928 1467 60 result result NN 39928 1467 61 . . . 39928 1468 1 Even even RB 39928 1468 2 in in IN 39928 1468 3 the the DT 39928 1468 4 vegetable vegetable JJ 39928 1468 5 kingdom kingdom NN 39928 1468 6 seeds seed NNS 39928 1468 7 will will MD 39928 1468 8 not not RB 39928 1468 9 germinate germinate VB 39928 1468 10 under under IN 39928 1468 11 a a DT 39928 1468 12 temperature temperature NN 39928 1468 13 of of IN 39928 1468 14 four four CD 39928 1468 15 or or CC 39928 1468 16 five five CD 39928 1468 17 degrees degree NNS 39928 1468 18 above above IN 39928 1468 19 the the DT 39928 1468 20 freezing freezing NN 39928 1468 21 - - HYPH 39928 1468 22 point point NN 39928 1468 23 . . . 39928 1469 1 Now now RB 39928 1469 2 this this DT 39928 1469 3 extreme extreme JJ 39928 1469 4 sensibility sensibility NN 39928 1469 5 to to IN 39928 1469 6 variations variation NNS 39928 1469 7 of of IN 39928 1469 8 internal internal JJ 39928 1469 9 temperature temperature NN 39928 1469 10 is be VBZ 39928 1469 11 quite quite RB 39928 1469 12 intelligible intelligible JJ 39928 1469 13 when when WRB 39928 1469 14 we -PRON- PRP 39928 1469 15 consider consider VBP 39928 1469 16 the the DT 39928 1469 17 complexity complexity NN 39928 1469 18 and and CC 39928 1469 19 instability instability NN 39928 1469 20 of of IN 39928 1469 21 protoplasm protoplasm NN 39928 1469 22 , , , 39928 1469 23 and and CC 39928 1469 24 of of IN 39928 1469 25 all all PDT 39928 1469 26 the the DT 39928 1469 27 proteids proteid NNS 39928 1469 28 in in IN 39928 1469 29 the the DT 39928 1469 30 living live VBG 39928 1469 31 organism organism NN 39928 1469 32 , , , 39928 1469 33 and and CC 39928 1469 34 how how WRB 39928 1469 35 important important JJ 39928 1469 36 it -PRON- PRP 39928 1469 37 is be VBZ 39928 1469 38 that that IN 39928 1469 39 the the DT 39928 1469 40 processes process NNS 39928 1469 41 of of IN 39928 1469 42 nutrition nutrition NN 39928 1469 43 and and CC 39928 1469 44 growth growth NN 39928 1469 45 , , , 39928 1469 46 involving involve VBG 39928 1469 47 constant constant JJ 39928 1469 48 motion motion NN 39928 1469 49 of of IN 39928 1469 50 fluids fluid NNS 39928 1469 51 and and CC 39928 1469 52 incessant incessant NN 39928 1469 53 molecular molecular JJ 39928 1469 54 decompositions decomposition NNS 39928 1469 55 and and CC 39928 1469 56 recombinations recombination NNS 39928 1469 57 , , , 39928 1469 58 should should MD 39928 1469 59 be be VB 39928 1469 60 effected effect VBN 39928 1469 61 with with IN 39928 1469 62 the the DT 39928 1469 63 greatest great JJS 39928 1469 64 regularity regularity NN 39928 1469 65 . . . 39928 1470 1 And and CC 39928 1470 2 though though IN 39928 1470 3 a a DT 39928 1470 4 few few JJ 39928 1470 5 of of IN 39928 1470 6 the the DT 39928 1470 7 higher high JJR 39928 1470 8 animals animal NNS 39928 1470 9 , , , 39928 1470 10 including include VBG 39928 1470 11 man man NN 39928 1470 12 , , , 39928 1470 13 are be VBP 39928 1470 14 so so RB 39928 1470 15 perfectly perfectly RB 39928 1470 16 organised organise VBN 39928 1470 17 that that IN 39928 1470 18 they -PRON- PRP 39928 1470 19 can can MD 39928 1470 20 adapt adapt VB 39928 1470 21 or or CC 39928 1470 22 protect protect VB 39928 1470 23 themselves -PRON- PRP 39928 1470 24 so so IN 39928 1470 25 as as IN 39928 1470 26 to to TO 39928 1470 27 be be VB 39928 1470 28 able able JJ 39928 1470 29 to to TO 39928 1470 30 live live VB 39928 1470 31 under under IN 39928 1470 32 very very RB 39928 1470 33 extreme extreme JJ 39928 1470 34 conditions condition NNS 39928 1470 35 as as IN 39928 1470 36 regards regard VBZ 39928 1470 37 temperature temperature NN 39928 1470 38 , , , 39928 1470 39 yet yet CC 39928 1470 40 this this DT 39928 1470 41 is be VBZ 39928 1470 42 not not RB 39928 1470 43 the the DT 39928 1470 44 case case NN 39928 1470 45 with with IN 39928 1470 46 the the DT 39928 1470 47 great great JJ 39928 1470 48 majority majority NN 39928 1470 49 , , , 39928 1470 50 or or CC 39928 1470 51 with with IN 39928 1470 52 the the DT 39928 1470 53 lower low JJR 39928 1470 54 types type NNS 39928 1470 55 , , , 39928 1470 56 as as IN 39928 1470 57 evidenced evidence VBN 39928 1470 58 by by IN 39928 1470 59 the the DT 39928 1470 60 almost almost RB 39928 1470 61 complete complete JJ 39928 1470 62 absence absence NN 39928 1470 63 of of IN 39928 1470 64 reptiles reptile NNS 39928 1470 65 from from IN 39928 1470 66 the the DT 39928 1470 67 arctic arctic JJ 39928 1470 68 regions region NNS 39928 1470 69 . . . 39928 1471 1 It -PRON- PRP 39928 1471 2 must must MD 39928 1471 3 also also RB 39928 1471 4 be be VB 39928 1471 5 remembered remember VBN 39928 1471 6 that that IN 39928 1471 7 extreme extreme JJ 39928 1471 8 cold cold JJ 39928 1471 9 and and CC 39928 1471 10 extreme extreme JJ 39928 1471 11 heat heat NN 39928 1471 12 are be VBP 39928 1471 13 nowhere nowhere RB 39928 1471 14 perpetual perpetual JJ 39928 1471 15 . . . 39928 1472 1 There there EX 39928 1472 2 is be VBZ 39928 1472 3 always always RB 39928 1472 4 some some DT 39928 1472 5 diversity diversity NN 39928 1472 6 of of IN 39928 1472 7 seasons season NNS 39928 1472 8 , , , 39928 1472 9 and and CC 39928 1472 10 there there EX 39928 1472 11 is be VBZ 39928 1472 12 no no DT 39928 1472 13 land land NN 39928 1472 14 animal animal NN 39928 1472 15 which which WDT 39928 1472 16 passes pass VBZ 39928 1472 17 its -PRON- PRP$ 39928 1472 18 whole whole JJ 39928 1472 19 life life NN 39928 1472 20 where where WRB 39928 1472 21 the the DT 39928 1472 22 temperature temperature NN 39928 1472 23 never never RB 39928 1472 24 rises rise VBZ 39928 1472 25 above above IN 39928 1472 26 the the DT 39928 1472 27 freezing freezing NN 39928 1472 28 point point NN 39928 1472 29 . . . 39928 1473 1 THE the DT 39928 1473 2 NECESSITY NECESSITY NNP 39928 1473 3 OF of IN 39928 1473 4 SOLAR SOLAR NNP 39928 1473 5 LIGHT LIGHT NNP 39928 1473 6 Whether whether IN 39928 1473 7 the the DT 39928 1473 8 higher high JJR 39928 1473 9 animals animal NNS 39928 1473 10 and and CC 39928 1473 11 man man NN 39928 1473 12 could could MD 39928 1473 13 have have VB 39928 1473 14 been be VBN 39928 1473 15 developed develop VBN 39928 1473 16 upon upon IN 39928 1473 17 the the DT 39928 1473 18 earth earth NN 39928 1473 19 without without IN 39928 1473 20 solar solar JJ 39928 1473 21 light light NN 39928 1473 22 , , , 39928 1473 23 even even RB 39928 1473 24 if if IN 39928 1473 25 all all PDT 39928 1473 26 the the DT 39928 1473 27 other other JJ 39928 1473 28 essential essential JJ 39928 1473 29 conditions condition NNS 39928 1473 30 were be VBD 39928 1473 31 present present JJ 39928 1473 32 , , , 39928 1473 33 is be VBZ 39928 1473 34 doubtful doubtful JJ 39928 1473 35 . . . 39928 1474 1 That that DT 39928 1474 2 , , , 39928 1474 3 however however RB 39928 1474 4 , , , 39928 1474 5 is be VBZ 39928 1474 6 not not RB 39928 1474 7 the the DT 39928 1474 8 point point NN 39928 1474 9 I -PRON- PRP 39928 1474 10 am be VBP 39928 1474 11 at at IN 39928 1474 12 present present JJ 39928 1474 13 considering considering NN 39928 1474 14 , , , 39928 1474 15 but but CC 39928 1474 16 one one NN 39928 1474 17 that that WDT 39928 1474 18 is be VBZ 39928 1474 19 much much RB 39928 1474 20 more more RBR 39928 1474 21 fundamental fundamental JJ 39928 1474 22 . . . 39928 1475 1 Without without IN 39928 1475 2 plant plant NN 39928 1475 3 life life NN 39928 1475 4 land land NN 39928 1475 5 animals animal NNS 39928 1475 6 at at IN 39928 1475 7 all all DT 39928 1475 8 events event NNS 39928 1475 9 could could MD 39928 1475 10 never never RB 39928 1475 11 have have VB 39928 1475 12 come come VBN 39928 1475 13 into into IN 39928 1475 14 existence existence NN 39928 1475 15 , , , 39928 1475 16 because because IN 39928 1475 17 they -PRON- PRP 39928 1475 18 have have VBP 39928 1475 19 not not RB 39928 1475 20 the the DT 39928 1475 21 power power NN 39928 1475 22 of of IN 39928 1475 23 making make VBG 39928 1475 24 protoplasm protoplasm NN 39928 1475 25 out out IN 39928 1475 26 of of IN 39928 1475 27 inorganic inorganic JJ 39928 1475 28 matter matter NN 39928 1475 29 . . . 39928 1476 1 The the DT 39928 1476 2 plant plant NN 39928 1476 3 alone alone RB 39928 1476 4 can can MD 39928 1476 5 take take VB 39928 1476 6 the the DT 39928 1476 7 carbon carbon NN 39928 1476 8 out out IN 39928 1476 9 of of IN 39928 1476 10 the the DT 39928 1476 11 small small JJ 39928 1476 12 proportion proportion NN 39928 1476 13 of of IN 39928 1476 14 carbonic carbonic JJ 39928 1476 15 acid acid NN 39928 1476 16 in in IN 39928 1476 17 the the DT 39928 1476 18 atmosphere atmosphere NN 39928 1476 19 , , , 39928 1476 20 and and CC 39928 1476 21 with with IN 39928 1476 22 it -PRON- PRP 39928 1476 23 , , , 39928 1476 24 and and CC 39928 1476 25 the the DT 39928 1476 26 other other JJ 39928 1476 27 necessary necessary JJ 39928 1476 28 elements element NNS 39928 1476 29 , , , 39928 1476 30 as as IN 39928 1476 31 already already RB 39928 1476 32 described describe VBN 39928 1476 33 , , , 39928 1476 34 build build VB 39928 1476 35 up up RP 39928 1476 36 those those DT 39928 1476 37 wonderful wonderful JJ 39928 1476 38 carbon carbon NN 39928 1476 39 compounds compound NNS 39928 1476 40 which which WDT 39928 1476 41 are be VBP 39928 1476 42 the the DT 39928 1476 43 very very JJ 39928 1476 44 foundation foundation NN 39928 1476 45 of of IN 39928 1476 46 animal animal NN 39928 1476 47 life life NN 39928 1476 48 . . . 39928 1477 1 But but CC 39928 1477 2 it -PRON- PRP 39928 1477 3 does do VBZ 39928 1477 4 this this DT 39928 1477 5 solely solely RB 39928 1477 6 by by IN 39928 1477 7 the the DT 39928 1477 8 agency agency NN 39928 1477 9 of of IN 39928 1477 10 solar solar JJ 39928 1477 11 light light NN 39928 1477 12 , , , 39928 1477 13 and and CC 39928 1477 14 even even RB 39928 1477 15 uses use VBZ 39928 1477 16 a a DT 39928 1477 17 special special JJ 39928 1477 18 portion portion NN 39928 1477 19 of of IN 39928 1477 20 that that DT 39928 1477 21 light light NN 39928 1477 22 . . . 39928 1478 1 Not not RB 39928 1478 2 only only RB 39928 1478 3 , , , 39928 1478 4 therefore therefore RB 39928 1478 5 , , , 39928 1478 6 is be VBZ 39928 1478 7 a a DT 39928 1478 8 sun sun NN 39928 1478 9 needed need VBN 39928 1478 10 to to TO 39928 1478 11 give give VB 39928 1478 12 light light NN 39928 1478 13 and and CC 39928 1478 14 heat heat NN 39928 1478 15 , , , 39928 1478 16 but but CC 39928 1478 17 it -PRON- PRP 39928 1478 18 is be VBZ 39928 1478 19 quite quite RB 39928 1478 20 possible possible JJ 39928 1478 21 that that IN 39928 1478 22 _ _ NNP 39928 1478 23 any any DT 39928 1478 24 _ _ NNP 39928 1478 25 sun sun NN 39928 1478 26 would would MD 39928 1478 27 not not RB 39928 1478 28 answer answer VB 39928 1478 29 the the DT 39928 1478 30 purpose purpose NN 39928 1478 31 . . . 39928 1479 1 A a DT 39928 1479 2 sun sun NN 39928 1479 3 is be VBZ 39928 1479 4 required require VBN 39928 1479 5 whose whose WP$ 39928 1479 6 light light JJ 39928 1479 7 possesses possess VBZ 39928 1479 8 those those DT 39928 1479 9 special special JJ 39928 1479 10 rays ray NNS 39928 1479 11 which which WDT 39928 1479 12 are be VBP 39928 1479 13 effective effective JJ 39928 1479 14 for for IN 39928 1479 15 this this DT 39928 1479 16 operation operation NN 39928 1479 17 , , , 39928 1479 18 and and CC 39928 1479 19 as as IN 39928 1479 20 we -PRON- PRP 39928 1479 21 know know VBP 39928 1479 22 that that IN 39928 1479 23 the the DT 39928 1479 24 stars star NNS 39928 1479 25 differ differ VBP 39928 1479 26 greatly greatly RB 39928 1479 27 in in IN 39928 1479 28 their -PRON- PRP$ 39928 1479 29 spectra spectra NN 39928 1479 30 , , , 39928 1479 31 and and CC 39928 1479 32 therefore therefore RB 39928 1479 33 in in IN 39928 1479 34 the the DT 39928 1479 35 nature nature NN 39928 1479 36 of of IN 39928 1479 37 their -PRON- PRP$ 39928 1479 38 light light NN 39928 1479 39 , , , 39928 1479 40 all all DT 39928 1479 41 might may MD 39928 1479 42 not not RB 39928 1479 43 be be VB 39928 1479 44 able able JJ 39928 1479 45 to to TO 39928 1479 46 effect effect VB 39928 1479 47 this this DT 39928 1479 48 great great JJ 39928 1479 49 transformation transformation NN 39928 1479 50 , , , 39928 1479 51 which which WDT 39928 1479 52 is be VBZ 39928 1479 53 one one CD 39928 1479 54 of of IN 39928 1479 55 the the DT 39928 1479 56 very very RB 39928 1479 57 first first JJ 39928 1479 58 steps step NNS 39928 1479 59 in in IN 39928 1479 60 rendering render VBG 39928 1479 61 animal animal NN 39928 1479 62 life life NN 39928 1479 63 possible possible JJ 39928 1479 64 on on IN 39928 1479 65 our -PRON- PRP$ 39928 1479 66 earth earth NN 39928 1479 67 , , , 39928 1479 68 and and CC 39928 1479 69 therefore therefore RB 39928 1479 70 probably probably RB 39928 1479 71 on on IN 39928 1479 72 all all DT 39928 1479 73 earths earth NNS 39928 1479 74 . . . 39928 1480 1 WATER water NN 39928 1480 2 A a NN 39928 1480 3 FIRST first JJ 39928 1480 4 ESSENTIAL essential NN 39928 1480 5 OF of IN 39928 1480 6 ORGANIC ORGANIC NNP 39928 1480 7 LIFE LIFE NNP 39928 1480 8 It -PRON- PRP 39928 1480 9 is be VBZ 39928 1480 10 hardly hardly RB 39928 1480 11 necessary necessary JJ 39928 1480 12 to to TO 39928 1480 13 point point VB 39928 1480 14 out out RP 39928 1480 15 the the DT 39928 1480 16 absolute absolute JJ 39928 1480 17 necessity necessity NN 39928 1480 18 of of IN 39928 1480 19 water water NN 39928 1480 20 , , , 39928 1480 21 since since IN 39928 1480 22 it -PRON- PRP 39928 1480 23 actually actually RB 39928 1480 24 constitutes constitute VBZ 39928 1480 25 a a DT 39928 1480 26 very very RB 39928 1480 27 large large JJ 39928 1480 28 proportion proportion NN 39928 1480 29 of of IN 39928 1480 30 the the DT 39928 1480 31 material material NN 39928 1480 32 of of IN 39928 1480 33 every every DT 39928 1480 34 living live VBG 39928 1480 35 organism organism NN 39928 1480 36 , , , 39928 1480 37 and and CC 39928 1480 38 about about RB 39928 1480 39 three three CD 39928 1480 40 - - HYPH 39928 1480 41 fourths fourth NNS 39928 1480 42 of of IN 39928 1480 43 our -PRON- PRP$ 39928 1480 44 own own JJ 39928 1480 45 bodies body NNS 39928 1480 46 . . . 39928 1481 1 Water water NN 39928 1481 2 , , , 39928 1481 3 therefore therefore RB 39928 1481 4 , , , 39928 1481 5 must must MD 39928 1481 6 be be VB 39928 1481 7 present present JJ 39928 1481 8 everywhere everywhere RB 39928 1481 9 , , , 39928 1481 10 in in IN 39928 1481 11 one one CD 39928 1481 12 form form NN 39928 1481 13 or or CC 39928 1481 14 another another DT 39928 1481 15 , , , 39928 1481 16 on on IN 39928 1481 17 any any DT 39928 1481 18 globe globe NN 39928 1481 19 where where WRB 39928 1481 20 life life NN 39928 1481 21 is be VBZ 39928 1481 22 possible possible JJ 39928 1481 23 . . . 39928 1482 1 Neither neither DT 39928 1482 2 animal animal NN 39928 1482 3 nor nor CC 39928 1482 4 plant plant NN 39928 1482 5 can can MD 39928 1482 6 exist exist VB 39928 1482 7 without without IN 39928 1482 8 it -PRON- PRP 39928 1482 9 . . . 39928 1483 1 It -PRON- PRP 39928 1483 2 must must MD 39928 1483 3 also also RB 39928 1483 4 be be VB 39928 1483 5 present present JJ 39928 1483 6 in in IN 39928 1483 7 such such JJ 39928 1483 8 quantity quantity NN 39928 1483 9 and and CC 39928 1483 10 so so RB 39928 1483 11 distributed distribute VBN 39928 1483 12 as as IN 39928 1483 13 to to TO 39928 1483 14 be be VB 39928 1483 15 constantly constantly RB 39928 1483 16 available available JJ 39928 1483 17 on on IN 39928 1483 18 every every DT 39928 1483 19 part part NN 39928 1483 20 of of IN 39928 1483 21 a a DT 39928 1483 22 globe globe NN 39928 1483 23 where where WRB 39928 1483 24 life life NN 39928 1483 25 is be VBZ 39928 1483 26 to to TO 39928 1483 27 be be VB 39928 1483 28 maintained maintain VBN 39928 1483 29 ; ; : 39928 1483 30 and and CC 39928 1483 31 it -PRON- PRP 39928 1483 32 is be VBZ 39928 1483 33 equally equally RB 39928 1483 34 necessary necessary JJ 39928 1483 35 that that IN 39928 1483 36 it -PRON- PRP 39928 1483 37 should should MD 39928 1483 38 have have VB 39928 1483 39 persisted persist VBN 39928 1483 40 in in IN 39928 1483 41 equal equal JJ 39928 1483 42 profusion profusion NN 39928 1483 43 throughout throughout IN 39928 1483 44 those those DT 39928 1483 45 enormous enormous JJ 39928 1483 46 geological geological JJ 39928 1483 47 epochs epoch NNS 39928 1483 48 during during IN 39928 1483 49 which which WDT 39928 1483 50 life life NN 39928 1483 51 has have VBZ 39928 1483 52 been be VBN 39928 1483 53 developing develop VBG 39928 1483 54 . . . 39928 1484 1 We -PRON- PRP 39928 1484 2 shall shall MD 39928 1484 3 see see VB 39928 1484 4 later later RB 39928 1484 5 on on IN 39928 1484 6 how how WRB 39928 1484 7 very very RB 39928 1484 8 special special JJ 39928 1484 9 are be VBP 39928 1484 10 the the DT 39928 1484 11 conditions condition NNS 39928 1484 12 that that WDT 39928 1484 13 have have VBP 39928 1484 14 secured secure VBN 39928 1484 15 this this DT 39928 1484 16 continuous continuous JJ 39928 1484 17 distribution distribution NN 39928 1484 18 of of IN 39928 1484 19 water water NN 39928 1484 20 on on IN 39928 1484 21 our -PRON- PRP$ 39928 1484 22 earth earth NN 39928 1484 23 , , , 39928 1484 24 and and CC 39928 1484 25 we -PRON- PRP 39928 1484 26 shall shall MD 39928 1484 27 also also RB 39928 1484 28 learn learn VB 39928 1484 29 that that IN 39928 1484 30 this this DT 39928 1484 31 large large JJ 39928 1484 32 amount amount NN 39928 1484 33 of of IN 39928 1484 34 water water NN 39928 1484 35 , , , 39928 1484 36 its -PRON- PRP$ 39928 1484 37 wide wide JJ 39928 1484 38 distribution distribution NN 39928 1484 39 , , , 39928 1484 40 and and CC 39928 1484 41 its -PRON- PRP$ 39928 1484 42 arrangement arrangement NN 39928 1484 43 with with IN 39928 1484 44 regard regard NN 39928 1484 45 to to IN 39928 1484 46 the the DT 39928 1484 47 land land NN 39928 1484 48 - - HYPH 39928 1484 49 surface surface NN 39928 1484 50 , , , 39928 1484 51 is be VBZ 39928 1484 52 an an DT 39928 1484 53 essential essential JJ 39928 1484 54 factor factor NN 39928 1484 55 in in IN 39928 1484 56 producing produce VBG 39928 1484 57 that that IN 39928 1484 58 limited limited JJ 39928 1484 59 range range NN 39928 1484 60 of of IN 39928 1484 61 temperature temperature NN 39928 1484 62 which which WDT 39928 1484 63 , , , 39928 1484 64 as as IN 39928 1484 65 we -PRON- PRP 39928 1484 66 have have VBP 39928 1484 67 seen see VBN 39928 1484 68 , , , 39928 1484 69 is be VBZ 39928 1484 70 a a DT 39928 1484 71 primary primary JJ 39928 1484 72 condition condition NN 39928 1484 73 for for IN 39928 1484 74 the the DT 39928 1484 75 development development NN 39928 1484 76 and and CC 39928 1484 77 maintenance maintenance NN 39928 1484 78 of of IN 39928 1484 79 life life NN 39928 1484 80 . . . 39928 1485 1 THE the DT 39928 1485 2 ATMOSPHERE ATMOSPHERE NNP 39928 1485 3 MUST MUST MD 39928 1485 4 BE be VB 39928 1485 5 OF of IN 39928 1485 6 SUFFICIENT sufficient JJ 39928 1485 7 DENSITY density NN 39928 1485 8 AND and CC 39928 1485 9 COMPOSED COMPOSED NNS 39928 1485 10 OF of IN 39928 1485 11 SUITABLE SUITABLE NNP 39928 1485 12 GASES GASES NNP 39928 1485 13 The the DT 39928 1485 14 atmosphere atmosphere NN 39928 1485 15 of of IN 39928 1485 16 any any DT 39928 1485 17 planet planet NN 39928 1485 18 on on IN 39928 1485 19 which which WDT 39928 1485 20 life life NN 39928 1485 21 can can MD 39928 1485 22 be be VB 39928 1485 23 developed develop VBN 39928 1485 24 must must MD 39928 1485 25 have have VB 39928 1485 26 several several JJ 39928 1485 27 qualities quality NNS 39928 1485 28 which which WDT 39928 1485 29 are be VBP 39928 1485 30 unconnected unconnected JJ 39928 1485 31 with with IN 39928 1485 32 each each DT 39928 1485 33 other other JJ 39928 1485 34 , , , 39928 1485 35 and and CC 39928 1485 36 the the DT 39928 1485 37 coincidence coincidence NN 39928 1485 38 of of IN 39928 1485 39 which which WDT 39928 1485 40 may may MD 39928 1485 41 be be VB 39928 1485 42 a a DT 39928 1485 43 rare rare JJ 39928 1485 44 phenomenon phenomenon NN 39928 1485 45 in in IN 39928 1485 46 the the DT 39928 1485 47 universe universe NN 39928 1485 48 . . . 39928 1486 1 The the DT 39928 1486 2 first first JJ 39928 1486 3 of of IN 39928 1486 4 these these DT 39928 1486 5 is be VBZ 39928 1486 6 a a DT 39928 1486 7 sufficient sufficient JJ 39928 1486 8 density density NN 39928 1486 9 , , , 39928 1486 10 which which WDT 39928 1486 11 is be VBZ 39928 1486 12 required require VBN 39928 1486 13 for for IN 39928 1486 14 two two CD 39928 1486 15 purposes purpose NNS 39928 1486 16 -- -- : 39928 1486 17 as as IN 39928 1486 18 a a DT 39928 1486 19 storer storer NN 39928 1486 20 of of IN 39928 1486 21 heat heat NN 39928 1486 22 , , , 39928 1486 23 and and CC 39928 1486 24 in in IN 39928 1486 25 order order NN 39928 1486 26 to to TO 39928 1486 27 supply supply VB 39928 1486 28 the the DT 39928 1486 29 oxygen oxygen NN 39928 1486 30 , , , 39928 1486 31 carbonic carbonic JJ 39928 1486 32 acid acid NN 39928 1486 33 , , , 39928 1486 34 and and CC 39928 1486 35 aqueous aqueous JJ 39928 1486 36 vapour vapour NN 39928 1486 37 in in IN 39928 1486 38 sufficient sufficient JJ 39928 1486 39 quantities quantity NNS 39928 1486 40 for for IN 39928 1486 41 the the DT 39928 1486 42 requirements requirement NNS 39928 1486 43 of of IN 39928 1486 44 vegetable vegetable NN 39928 1486 45 and and CC 39928 1486 46 animal animal NN 39928 1486 47 life life NN 39928 1486 48 . . . 39928 1487 1 As as IN 39928 1487 2 a a DT 39928 1487 3 reservoir reservoir NN 39928 1487 4 of of IN 39928 1487 5 heat heat NN 39928 1487 6 and and CC 39928 1487 7 a a DT 39928 1487 8 regulator regulator NN 39928 1487 9 of of IN 39928 1487 10 temperature temperature NN 39928 1487 11 , , , 39928 1487 12 a a DT 39928 1487 13 rather rather RB 39928 1487 14 dense dense JJ 39928 1487 15 atmosphere atmosphere NN 39928 1487 16 is be VBZ 39928 1487 17 a a DT 39928 1487 18 first first JJ 39928 1487 19 necessity necessity NN 39928 1487 20 , , , 39928 1487 21 in in IN 39928 1487 22 co co NN 39928 1487 23 - - NN 39928 1487 24 operation operation NN 39928 1487 25 with with IN 39928 1487 26 the the DT 39928 1487 27 large large JJ 39928 1487 28 quantity quantity NN 39928 1487 29 and and CC 39928 1487 30 wide wide JJ 39928 1487 31 distribution distribution NN 39928 1487 32 of of IN 39928 1487 33 water water NN 39928 1487 34 referred refer VBN 39928 1487 35 to to IN 39928 1487 36 in in IN 39928 1487 37 the the DT 39928 1487 38 last last JJ 39928 1487 39 section section NN 39928 1487 40 . . . 39928 1488 1 The the DT 39928 1488 2 very very RB 39928 1488 3 different different JJ 39928 1488 4 character character NN 39928 1488 5 of of IN 39928 1488 6 our -PRON- PRP$ 39928 1488 7 south south JJ 39928 1488 8 - - HYPH 39928 1488 9 west west NN 39928 1488 10 from from IN 39928 1488 11 our -PRON- PRP$ 39928 1488 12 north north NN 39928 1488 13 - - HYPH 39928 1488 14 east east NN 39928 1488 15 winds wind NNS 39928 1488 16 is be VBZ 39928 1488 17 a a DT 39928 1488 18 good good JJ 39928 1488 19 illustration illustration NN 39928 1488 20 of of IN 39928 1488 21 its -PRON- PRP$ 39928 1488 22 power power NN 39928 1488 23 of of IN 39928 1488 24 distributing distribute VBG 39928 1488 25 heat heat NN 39928 1488 26 and and CC 39928 1488 27 moisture moisture NN 39928 1488 28 . . . 39928 1489 1 This this DT 39928 1489 2 it -PRON- PRP 39928 1489 3 does do VBZ 39928 1489 4 owing owing NN 39928 1489 5 to to IN 39928 1489 6 the the DT 39928 1489 7 peculiar peculiar JJ 39928 1489 8 property property NN 39928 1489 9 it -PRON- PRP 39928 1489 10 possesses possess VBZ 39928 1489 11 of of IN 39928 1489 12 allowing allow VBG 39928 1489 13 the the DT 39928 1489 14 sun sun NN 39928 1489 15 's 's POS 39928 1489 16 rays ray NNS 39928 1489 17 to to TO 39928 1489 18 pass pass VB 39928 1489 19 freely freely RB 39928 1489 20 through through IN 39928 1489 21 it -PRON- PRP 39928 1489 22 to to IN 39928 1489 23 the the DT 39928 1489 24 earth earth NN 39928 1489 25 which which WDT 39928 1489 26 it -PRON- PRP 39928 1489 27 warms warm VBZ 39928 1489 28 , , , 39928 1489 29 but but CC 39928 1489 30 acting act VBG 39928 1489 31 like like IN 39928 1489 32 a a DT 39928 1489 33 blanket blanket NN 39928 1489 34 in in IN 39928 1489 35 preventing prevent VBG 39928 1489 36 the the DT 39928 1489 37 rapid rapid JJ 39928 1489 38 escape escape NN 39928 1489 39 of of IN 39928 1489 40 the the DT 39928 1489 41 non non JJ 39928 1489 42 - - JJ 39928 1489 43 luminous luminous JJ 39928 1489 44 heat heat NN 39928 1489 45 so so RB 39928 1489 46 produced produce VBN 39928 1489 47 . . . 39928 1490 1 But but CC 39928 1490 2 the the DT 39928 1490 3 heat heat NN 39928 1490 4 stored store VBD 39928 1490 5 up up RP 39928 1490 6 during during IN 39928 1490 7 the the DT 39928 1490 8 day day NN 39928 1490 9 is be VBZ 39928 1490 10 given give VBN 39928 1490 11 out out RP 39928 1490 12 at at IN 39928 1490 13 night night NN 39928 1490 14 , , , 39928 1490 15 and and CC 39928 1490 16 thus thus RB 39928 1490 17 secures secure VBZ 39928 1490 18 a a DT 39928 1490 19 uniformity uniformity NN 39928 1490 20 of of IN 39928 1490 21 temperature temperature NN 39928 1490 22 which which WDT 39928 1490 23 would would MD 39928 1490 24 not not RB 39928 1490 25 otherwise otherwise RB 39928 1490 26 exist exist VB 39928 1490 27 . . . 39928 1491 1 This this DT 39928 1491 2 effect effect NN 39928 1491 3 is be VBZ 39928 1491 4 strikingly strikingly RB 39928 1491 5 seen see VBN 39928 1491 6 at at IN 39928 1491 7 high high JJ 39928 1491 8 altitudes altitude NNS 39928 1491 9 , , , 39928 1491 10 where where WRB 39928 1491 11 the the DT 39928 1491 12 temperature temperature NN 39928 1491 13 becomes become VBZ 39928 1491 14 lower low JJR 39928 1491 15 and and CC 39928 1491 16 lower lower RBR 39928 1491 17 , , , 39928 1491 18 till till IN 39928 1491 19 at at IN 39928 1491 20 a a DT 39928 1491 21 not not RB 39928 1491 22 very very RB 39928 1491 23 great great JJ 39928 1491 24 elevation elevation NN 39928 1491 25 , , , 39928 1491 26 even even RB 39928 1491 27 in in IN 39928 1491 28 the the DT 39928 1491 29 tropics tropic NNS 39928 1491 30 , , , 39928 1491 31 snow snow NN 39928 1491 32 lies lie VBZ 39928 1491 33 on on IN 39928 1491 34 the the DT 39928 1491 35 ground ground NN 39928 1491 36 all all PDT 39928 1491 37 the the DT 39928 1491 38 year year NN 39928 1491 39 round round NN 39928 1491 40 . . . 39928 1492 1 This this DT 39928 1492 2 is be VBZ 39928 1492 3 almost almost RB 39928 1492 4 wholly wholly RB 39928 1492 5 due due JJ 39928 1492 6 to to IN 39928 1492 7 the the DT 39928 1492 8 rarity rarity NN 39928 1492 9 of of IN 39928 1492 10 the the DT 39928 1492 11 air air NN 39928 1492 12 , , , 39928 1492 13 which which WDT 39928 1492 14 , , , 39928 1492 15 on on IN 39928 1492 16 that that DT 39928 1492 17 account account NN 39928 1492 18 , , , 39928 1492 19 has have VBZ 39928 1492 20 not not RB 39928 1492 21 so so RB 39928 1492 22 much much JJ 39928 1492 23 capacity capacity NN 39928 1492 24 for for IN 39928 1492 25 heat heat NN 39928 1492 26 . . . 39928 1493 1 It -PRON- PRP 39928 1493 2 also also RB 39928 1493 3 allows allow VBZ 39928 1493 4 the the DT 39928 1493 5 heat heat NN 39928 1493 6 it -PRON- PRP 39928 1493 7 acquires acquire VBZ 39928 1493 8 to to TO 39928 1493 9 radiate radiate VB 39928 1493 10 more more RBR 39928 1493 11 freely freely RB 39928 1493 12 than than IN 39928 1493 13 denser denser NN 39928 1493 14 air air NN 39928 1493 15 , , , 39928 1493 16 so so IN 39928 1493 17 that that IN 39928 1493 18 the the DT 39928 1493 19 nights night NNS 39928 1493 20 are be VBP 39928 1493 21 much much RB 39928 1493 22 colder cold JJR 39928 1493 23 . . . 39928 1494 1 At at IN 39928 1494 2 about about IN 39928 1494 3 18,000 18,000 CD 39928 1494 4 feet foot NNS 39928 1494 5 high high JJ 39928 1494 6 our -PRON- PRP$ 39928 1494 7 atmosphere atmosphere NN 39928 1494 8 is be VBZ 39928 1494 9 exactly exactly RB 39928 1494 10 half half PDT 39928 1494 11 its -PRON- PRP$ 39928 1494 12 density density NN 39928 1494 13 at at IN 39928 1494 14 the the DT 39928 1494 15 sea sea NN 39928 1494 16 - - HYPH 39928 1494 17 level level NN 39928 1494 18 . . . 39928 1495 1 This this DT 39928 1495 2 is be VBZ 39928 1495 3 considerably considerably RB 39928 1495 4 higher high JJR 39928 1495 5 than than IN 39928 1495 6 the the DT 39928 1495 7 usual usual JJ 39928 1495 8 snow snow NN 39928 1495 9 - - HYPH 39928 1495 10 line line NN 39928 1495 11 , , , 39928 1495 12 even even RB 39928 1495 13 under under IN 39928 1495 14 the the DT 39928 1495 15 equator equator NN 39928 1495 16 , , , 39928 1495 17 whence whence NN 39928 1495 18 it -PRON- PRP 39928 1495 19 follows follow VBZ 39928 1495 20 that that IN 39928 1495 21 if if IN 39928 1495 22 our -PRON- PRP$ 39928 1495 23 atmosphere atmosphere NN 39928 1495 24 was be VBD 39928 1495 25 only only RB 39928 1495 26 half half PDT 39928 1495 27 its -PRON- PRP$ 39928 1495 28 present present JJ 39928 1495 29 density density NN 39928 1495 30 it -PRON- PRP 39928 1495 31 would would MD 39928 1495 32 render render VB 39928 1495 33 the the DT 39928 1495 34 earth earth NN 39928 1495 35 unsuitable unsuitable JJ 39928 1495 36 for for IN 39928 1495 37 the the DT 39928 1495 38 higher high JJR 39928 1495 39 forms form NNS 39928 1495 40 of of IN 39928 1495 41 animal animal NN 39928 1495 42 life life NN 39928 1495 43 . . . 39928 1496 1 It -PRON- PRP 39928 1496 2 is be VBZ 39928 1496 3 not not RB 39928 1496 4 easy easy JJ 39928 1496 5 to to TO 39928 1496 6 say say VB 39928 1496 7 exactly exactly RB 39928 1496 8 what what WP 39928 1496 9 would would MD 39928 1496 10 be be VB 39928 1496 11 the the DT 39928 1496 12 result result NN 39928 1496 13 as as IN 39928 1496 14 regards regard VBZ 39928 1496 15 climate climate NN 39928 1496 16 ; ; : 39928 1496 17 but but CC 39928 1496 18 it -PRON- PRP 39928 1496 19 seems seem VBZ 39928 1496 20 likely likely JJ 39928 1496 21 that that IN 39928 1496 22 , , , 39928 1496 23 except except IN 39928 1496 24 perhaps perhaps RB 39928 1496 25 in in IN 39928 1496 26 limited limited JJ 39928 1496 27 areas area NNS 39928 1496 28 in in IN 39928 1496 29 the the DT 39928 1496 30 tropics tropic NNS 39928 1496 31 , , , 39928 1496 32 where where WRB 39928 1496 33 conditions condition NNS 39928 1496 34 were be VBD 39928 1496 35 very very RB 39928 1496 36 favourable favourable JJ 39928 1496 37 , , , 39928 1496 38 the the DT 39928 1496 39 whole whole JJ 39928 1496 40 land land NN 39928 1496 41 - - HYPH 39928 1496 42 surface surface NN 39928 1496 43 would would MD 39928 1496 44 become become VB 39928 1496 45 buried bury VBN 39928 1496 46 in in IN 39928 1496 47 snow snow NN 39928 1496 48 and and CC 39928 1496 49 ice ice NN 39928 1496 50 . . . 39928 1497 1 This this DT 39928 1497 2 appears appear VBZ 39928 1497 3 inevitable inevitable JJ 39928 1497 4 , , , 39928 1497 5 because because IN 39928 1497 6 evaporation evaporation NN 39928 1497 7 from from IN 39928 1497 8 the the DT 39928 1497 9 oceans ocean NNS 39928 1497 10 by by IN 39928 1497 11 direct direct JJ 39928 1497 12 sun sun NN 39928 1497 13 - - HYPH 39928 1497 14 heat heat NN 39928 1497 15 would would MD 39928 1497 16 be be VB 39928 1497 17 more more RBR 39928 1497 18 rapid rapid JJ 39928 1497 19 than than IN 39928 1497 20 now now RB 39928 1497 21 ; ; : 39928 1497 22 but but CC 39928 1497 23 as as IN 39928 1497 24 the the DT 39928 1497 25 vapour vapour NN 39928 1497 26 rose rise VBD 39928 1497 27 in in IN 39928 1497 28 the the DT 39928 1497 29 rare rare JJ 39928 1497 30 atmosphere atmosphere NN 39928 1497 31 it -PRON- PRP 39928 1497 32 would would MD 39928 1497 33 rapidly rapidly RB 39928 1497 34 become become VB 39928 1497 35 frozen frozen JJ 39928 1497 36 , , , 39928 1497 37 and and CC 39928 1497 38 snow snow NN 39928 1497 39 would would MD 39928 1497 40 fall fall VB 39928 1497 41 almost almost RB 39928 1497 42 perpetually perpetually RB 39928 1497 43 , , , 39928 1497 44 although although IN 39928 1497 45 it -PRON- PRP 39928 1497 46 might may MD 39928 1497 47 not not RB 39928 1497 48 lie lie VB 39928 1497 49 permanently permanently RB 39928 1497 50 on on IN 39928 1497 51 the the DT 39928 1497 52 ground ground NN 39928 1497 53 in in IN 39928 1497 54 the the DT 39928 1497 55 equatorial equatorial JJ 39928 1497 56 lowlands lowland NNS 39928 1497 57 . . . 39928 1498 1 It -PRON- PRP 39928 1498 2 appears appear VBZ 39928 1498 3 certain certain JJ 39928 1498 4 , , , 39928 1498 5 therefore therefore RB 39928 1498 6 , , , 39928 1498 7 that that IN 39928 1498 8 with with IN 39928 1498 9 half half PDT 39928 1498 10 our -PRON- PRP$ 39928 1498 11 present present JJ 39928 1498 12 bulk bulk NN 39928 1498 13 of of IN 39928 1498 14 atmosphere atmosphere NN 39928 1498 15 life life NN 39928 1498 16 would would MD 39928 1498 17 be be VB 39928 1498 18 hardly hardly RB 39928 1498 19 possible possible JJ 39928 1498 20 on on IN 39928 1498 21 the the DT 39928 1498 22 earth earth NN 39928 1498 23 on on IN 39928 1498 24 account account NN 39928 1498 25 of of IN 39928 1498 26 lowered lower VBN 39928 1498 27 temperature temperature NN 39928 1498 28 alone alone RB 39928 1498 29 . . . 39928 1499 1 And and CC 39928 1499 2 as as IN 39928 1499 3 there there EX 39928 1499 4 would would MD 39928 1499 5 certainly certainly RB 39928 1499 6 be be VB 39928 1499 7 an an DT 39928 1499 8 added add VBN 39928 1499 9 difficulty difficulty NN 39928 1499 10 in in IN 39928 1499 11 the the DT 39928 1499 12 needful needful JJ 39928 1499 13 supply supply NN 39928 1499 14 of of IN 39928 1499 15 oxygen oxygen NN 39928 1499 16 to to IN 39928 1499 17 animals animal NNS 39928 1499 18 and and CC 39928 1499 19 carbonic carbonic JJ 39928 1499 20 acid acid NN 39928 1499 21 to to IN 39928 1499 22 plants plant NNS 39928 1499 23 , , , 39928 1499 24 it -PRON- PRP 39928 1499 25 seems seem VBZ 39928 1499 26 highly highly RB 39928 1499 27 probable probable JJ 39928 1499 28 that that IN 39928 1499 29 a a DT 39928 1499 30 reduction reduction NN 39928 1499 31 of of IN 39928 1499 32 density density NN 39928 1499 33 of of IN 39928 1499 34 even even RB 39928 1499 35 one one CD 39928 1499 36 - - HYPH 39928 1499 37 fourth fourth NN 39928 1499 38 might may MD 39928 1499 39 be be VB 39928 1499 40 sufficient sufficient JJ 39928 1499 41 to to TO 39928 1499 42 render render VB 39928 1499 43 a a DT 39928 1499 44 large large JJ 39928 1499 45 portion portion NN 39928 1499 46 of of IN 39928 1499 47 the the DT 39928 1499 48 globe globe NN 39928 1499 49 a a DT 39928 1499 50 snow snow NN 39928 1499 51 and and CC 39928 1499 52 ice ice NN 39928 1499 53 - - HYPH 39928 1499 54 clad clothe VBN 39928 1499 55 waste waste NN 39928 1499 56 , , , 39928 1499 57 and and CC 39928 1499 58 the the DT 39928 1499 59 remainder remainder NN 39928 1499 60 liable liable JJ 39928 1499 61 to to IN 39928 1499 62 such such JJ 39928 1499 63 extremes extreme NNS 39928 1499 64 of of IN 39928 1499 65 climate climate NN 39928 1499 66 that that WDT 39928 1499 67 only only RB 39928 1499 68 low low JJ 39928 1499 69 forms form NNS 39928 1499 70 of of IN 39928 1499 71 life life NN 39928 1499 72 could could MD 39928 1499 73 have have VB 39928 1499 74 arisen arise VBN 39928 1499 75 and and CC 39928 1499 76 been be VBN 39928 1499 77 permanently permanently RB 39928 1499 78 maintained maintain VBN 39928 1499 79 . . . 39928 1500 1 THE the DT 39928 1500 2 GASES gas NNS 39928 1500 3 OF of IN 39928 1500 4 THE the DT 39928 1500 5 ATMOSPHERE ATMOSPHERE NNP 39928 1500 6 Coming come VBG 39928 1500 7 now now RB 39928 1500 8 to to TO 39928 1500 9 consider consider VB 39928 1500 10 the the DT 39928 1500 11 constituent constituent NN 39928 1500 12 gases gas NNS 39928 1500 13 of of IN 39928 1500 14 the the DT 39928 1500 15 atmosphere atmosphere NN 39928 1500 16 , , , 39928 1500 17 there there EX 39928 1500 18 is be VBZ 39928 1500 19 reason reason NN 39928 1500 20 to to TO 39928 1500 21 believe believe VB 39928 1500 22 that that IN 39928 1500 23 they -PRON- PRP 39928 1500 24 form form VBP 39928 1500 25 a a DT 39928 1500 26 mixture mixture NN 39928 1500 27 as as RB 39928 1500 28 nicely nicely RB 39928 1500 29 balanced balance VBN 39928 1500 30 in in IN 39928 1500 31 regard regard NN 39928 1500 32 to to IN 39928 1500 33 animal animal NN 39928 1500 34 and and CC 39928 1500 35 vegetable vegetable VB 39928 1500 36 life life NN 39928 1500 37 as as IN 39928 1500 38 are be VBP 39928 1500 39 the the DT 39928 1500 40 density density NN 39928 1500 41 and and CC 39928 1500 42 the the DT 39928 1500 43 temperature temperature NN 39928 1500 44 . . . 39928 1501 1 At at IN 39928 1501 2 a a DT 39928 1501 3 first first JJ 39928 1501 4 view view NN 39928 1501 5 of of IN 39928 1501 6 the the DT 39928 1501 7 subject subject NN 39928 1501 8 we -PRON- PRP 39928 1501 9 might may MD 39928 1501 10 conclude conclude VB 39928 1501 11 that that IN 39928 1501 12 oxygen oxygen NN 39928 1501 13 is be VBZ 39928 1501 14 the the DT 39928 1501 15 one one CD 39928 1501 16 great great JJ 39928 1501 17 essential essential NN 39928 1501 18 for for IN 39928 1501 19 animal animal NN 39928 1501 20 life life NN 39928 1501 21 , , , 39928 1501 22 and and CC 39928 1501 23 that that IN 39928 1501 24 all all DT 39928 1501 25 else else RB 39928 1501 26 is be VBZ 39928 1501 27 of of IN 39928 1501 28 little little JJ 39928 1501 29 importance importance NN 39928 1501 30 . . . 39928 1502 1 But but CC 39928 1502 2 further further JJ 39928 1502 3 consideration consideration NN 39928 1502 4 shows show VBZ 39928 1502 5 us -PRON- PRP 39928 1502 6 that that IN 39928 1502 7 nitrogen nitrogen NN 39928 1502 8 , , , 39928 1502 9 although although IN 39928 1502 10 merely merely RB 39928 1502 11 a a DT 39928 1502 12 diluent diluent NN 39928 1502 13 of of IN 39928 1502 14 the the DT 39928 1502 15 oxygen oxygen NN 39928 1502 16 as as IN 39928 1502 17 regards regard VBZ 39928 1502 18 the the DT 39928 1502 19 respiration respiration NN 39928 1502 20 of of IN 39928 1502 21 animals animal NNS 39928 1502 22 , , , 39928 1502 23 is be VBZ 39928 1502 24 of of IN 39928 1502 25 the the DT 39928 1502 26 first first JJ 39928 1502 27 importance importance NN 39928 1502 28 to to IN 39928 1502 29 plants plant NNS 39928 1502 30 , , , 39928 1502 31 which which WDT 39928 1502 32 obtain obtain VBP 39928 1502 33 it -PRON- PRP 39928 1502 34 from from IN 39928 1502 35 the the DT 39928 1502 36 ammonia ammonia NN 39928 1502 37 formed form VBN 39928 1502 38 in in IN 39928 1502 39 the the DT 39928 1502 40 atmosphere atmosphere NN 39928 1502 41 and and CC 39928 1502 42 carried carry VBD 39928 1502 43 down down RP 39928 1502 44 into into IN 39928 1502 45 the the DT 39928 1502 46 soil soil NN 39928 1502 47 by by IN 39928 1502 48 the the DT 39928 1502 49 rain rain NN 39928 1502 50 . . . 39928 1503 1 Although although IN 39928 1503 2 there there EX 39928 1503 3 is be VBZ 39928 1503 4 only only RB 39928 1503 5 one one CD 39928 1503 6 part part NN 39928 1503 7 of of IN 39928 1503 8 ammonia ammonia NN 39928 1503 9 to to IN 39928 1503 10 a a DT 39928 1503 11 million million CD 39928 1503 12 of of IN 39928 1503 13 air air NN 39928 1503 14 , , , 39928 1503 15 yet yet CC 39928 1503 16 upon upon IN 39928 1503 17 this this DT 39928 1503 18 minute minute JJ 39928 1503 19 proportion proportion NN 39928 1503 20 the the DT 39928 1503 21 very very JJ 39928 1503 22 existence existence NN 39928 1503 23 of of IN 39928 1503 24 the the DT 39928 1503 25 animal animal NN 39928 1503 26 world world NN 39928 1503 27 depends depend VBZ 39928 1503 28 , , , 39928 1503 29 because because IN 39928 1503 30 neither neither DT 39928 1503 31 animals animal NNS 39928 1503 32 nor nor CC 39928 1503 33 plants plant NNS 39928 1503 34 can can MD 39928 1503 35 assimilate assimilate VB 39928 1503 36 the the DT 39928 1503 37 free free JJ 39928 1503 38 nitrogen nitrogen NN 39928 1503 39 of of IN 39928 1503 40 the the DT 39928 1503 41 air air NN 39928 1503 42 into into IN 39928 1503 43 their -PRON- PRP$ 39928 1503 44 tissues tissue NNS 39928 1503 45 . . . 39928 1504 1 Another another DT 39928 1504 2 fundamentally fundamentally RB 39928 1504 3 important important JJ 39928 1504 4 gas gas NN 39928 1504 5 in in IN 39928 1504 6 the the DT 39928 1504 7 atmosphere atmosphere NN 39928 1504 8 is be VBZ 39928 1504 9 carbonic carbonic JJ 39928 1504 10 acid acid NN 39928 1504 11 , , , 39928 1504 12 which which WDT 39928 1504 13 forms form VBZ 39928 1504 14 about about RB 39928 1504 15 four four CD 39928 1504 16 parts part NNS 39928 1504 17 in in IN 39928 1504 18 ten ten CD 39928 1504 19 thousand thousand CD 39928 1504 20 parts part NNS 39928 1504 21 of of IN 39928 1504 22 air air NN 39928 1504 23 , , , 39928 1504 24 and and CC 39928 1504 25 , , , 39928 1504 26 as as RB 39928 1504 27 already already RB 39928 1504 28 stated state VBN 39928 1504 29 , , , 39928 1504 30 is be VBZ 39928 1504 31 the the DT 39928 1504 32 source source NN 39928 1504 33 from from IN 39928 1504 34 which which WDT 39928 1504 35 plants plant NNS 39928 1504 36 build build VBP 39928 1504 37 up up RP 39928 1504 38 the the DT 39928 1504 39 great great JJ 39928 1504 40 bulk bulk NN 39928 1504 41 of of IN 39928 1504 42 their -PRON- PRP$ 39928 1504 43 tissues tissue NNS 39928 1504 44 , , , 39928 1504 45 as as RB 39928 1504 46 well well RB 39928 1504 47 as as IN 39928 1504 48 those those DT 39928 1504 49 protoplasms protoplasm NNS 39928 1504 50 and and CC 39928 1504 51 proteids proteid NNS 39928 1504 52 so so RB 39928 1504 53 absolutely absolutely RB 39928 1504 54 necessary necessary JJ 39928 1504 55 as as IN 39928 1504 56 food food NN 39928 1504 57 for for IN 39928 1504 58 animals animal NNS 39928 1504 59 . . . 39928 1505 1 An an DT 39928 1505 2 important important JJ 39928 1505 3 fact fact NN 39928 1505 4 to to TO 39928 1505 5 notice notice NN 39928 1505 6 here here RB 39928 1505 7 is be VBZ 39928 1505 8 , , , 39928 1505 9 that that IN 39928 1505 10 carbonic carbonic JJ 39928 1505 11 acid acid NN 39928 1505 12 , , , 39928 1505 13 so so RB 39928 1505 14 essential essential JJ 39928 1505 15 to to IN 39928 1505 16 plants plant NNS 39928 1505 17 , , , 39928 1505 18 and and CC 39928 1505 19 to to IN 39928 1505 20 animals animal NNS 39928 1505 21 through through IN 39928 1505 22 plants plant NNS 39928 1505 23 , , , 39928 1505 24 is be VBZ 39928 1505 25 yet yet RB 39928 1505 26 a a DT 39928 1505 27 poison poison NN 39928 1505 28 to to IN 39928 1505 29 animals animal NNS 39928 1505 30 . . . 39928 1506 1 When when WRB 39928 1506 2 present present JJ 39928 1506 3 in in IN 39928 1506 4 much much RB 39928 1506 5 more more JJR 39928 1506 6 than than IN 39928 1506 7 the the DT 39928 1506 8 normal normal JJ 39928 1506 9 quantity quantity NN 39928 1506 10 , , , 39928 1506 11 as as IN 39928 1506 12 it -PRON- PRP 39928 1506 13 often often RB 39928 1506 14 is be VBZ 39928 1506 15 in in IN 39928 1506 16 cities city NNS 39928 1506 17 and and CC 39928 1506 18 in in IN 39928 1506 19 badly badly RB 39928 1506 20 ventilated ventilated JJ 39928 1506 21 buildings building NNS 39928 1506 22 , , , 39928 1506 23 it -PRON- PRP 39928 1506 24 becomes become VBZ 39928 1506 25 highly highly RB 39928 1506 26 prejudicial prejudicial JJ 39928 1506 27 to to IN 39928 1506 28 health health NN 39928 1506 29 ; ; : 39928 1506 30 but but CC 39928 1506 31 this this DT 39928 1506 32 is be VBZ 39928 1506 33 believed believe VBN 39928 1506 34 to to TO 39928 1506 35 be be VB 39928 1506 36 partly partly RB 39928 1506 37 due due JJ 39928 1506 38 to to IN 39928 1506 39 the the DT 39928 1506 40 various various JJ 39928 1506 41 corporeal corporeal NN 39928 1506 42 emanations emanation NNS 39928 1506 43 and and CC 39928 1506 44 other other JJ 39928 1506 45 impurities impurity NNS 39928 1506 46 associated associate VBN 39928 1506 47 with with IN 39928 1506 48 it -PRON- PRP 39928 1506 49 . . . 39928 1507 1 Pure pure JJ 39928 1507 2 carbonic carbonic JJ 39928 1507 3 acid acid NN 39928 1507 4 gas gas NN 39928 1507 5 to to IN 39928 1507 6 the the DT 39928 1507 7 amount amount NN 39928 1507 8 of of IN 39928 1507 9 even even RB 39928 1507 10 one one CD 39928 1507 11 per per IN 39928 1507 12 cent cent NN 39928 1507 13 . . . 39928 1508 1 in in IN 39928 1508 2 otherwise otherwise RB 39928 1508 3 pure pure JJ 39928 1508 4 air air NN 39928 1508 5 can can MD 39928 1508 6 , , , 39928 1508 7 it -PRON- PRP 39928 1508 8 is be VBZ 39928 1508 9 said say VBN 39928 1508 10 , , , 39928 1508 11 be be VB 39928 1508 12 breathed breathe VBN 39928 1508 13 for for IN 39928 1508 14 a a DT 39928 1508 15 time time NN 39928 1508 16 without without IN 39928 1508 17 bad bad JJ 39928 1508 18 effects effect NNS 39928 1508 19 , , , 39928 1508 20 but but CC 39928 1508 21 anything anything NN 39928 1508 22 more more JJR 39928 1508 23 than than IN 39928 1508 24 this this DT 39928 1508 25 proportion proportion NN 39928 1508 26 will will MD 39928 1508 27 soon soon RB 39928 1508 28 produce produce VB 39928 1508 29 suffocation suffocation NN 39928 1508 30 . . . 39928 1509 1 It -PRON- PRP 39928 1509 2 is be VBZ 39928 1509 3 probable probable JJ 39928 1509 4 , , , 39928 1509 5 therefore therefore RB 39928 1509 6 , , , 39928 1509 7 that that IN 39928 1509 8 a a DT 39928 1509 9 very very RB 39928 1509 10 much much RB 39928 1509 11 smaller small JJR 39928 1509 12 proportion proportion NN 39928 1509 13 than than IN 39928 1509 14 one one CD 39928 1509 15 per per IN 39928 1509 16 cent cent NN 39928 1509 17 . . . 39928 1509 18 , , , 39928 1509 19 if if IN 39928 1509 20 constantly constantly RB 39928 1509 21 present present JJ 39928 1509 22 , , , 39928 1509 23 would would MD 39928 1509 24 be be VB 39928 1509 25 dangerous dangerous JJ 39928 1509 26 to to IN 39928 1509 27 life life NN 39928 1509 28 ; ; : 39928 1509 29 though though IN 39928 1509 30 no no RB 39928 1509 31 doubt doubt RB 39928 1509 32 , , , 39928 1509 33 if if IN 39928 1509 34 this this DT 39928 1509 35 had have VBD 39928 1509 36 always always RB 39928 1509 37 been be VBN 39928 1509 38 the the DT 39928 1509 39 proportion proportion NN 39928 1509 40 , , , 39928 1509 41 life life NN 39928 1509 42 might may MD 39928 1509 43 have have VB 39928 1509 44 been be VBN 39928 1509 45 developed develop VBN 39928 1509 46 in in IN 39928 1509 47 adaptation adaptation NN 39928 1509 48 to to IN 39928 1509 49 it -PRON- PRP 39928 1509 50 . . . 39928 1510 1 Considering considering NN 39928 1510 2 , , , 39928 1510 3 however however RB 39928 1510 4 , , , 39928 1510 5 that that IN 39928 1510 6 this this DT 39928 1510 7 poisonous poisonous JJ 39928 1510 8 gas gas NN 39928 1510 9 is be VBZ 39928 1510 10 largely largely RB 39928 1510 11 given give VBN 39928 1510 12 out out RP 39928 1510 13 by by IN 39928 1510 14 the the DT 39928 1510 15 higher high JJR 39928 1510 16 animals animal NNS 39928 1510 17 as as IN 39928 1510 18 a a DT 39928 1510 19 product product NN 39928 1510 20 of of IN 39928 1510 21 respiration respiration NN 39928 1510 22 , , , 39928 1510 23 it -PRON- PRP 39928 1510 24 would would MD 39928 1510 25 evidently evidently RB 39928 1510 26 be be VB 39928 1510 27 dangerous dangerous JJ 39928 1510 28 to to IN 39928 1510 29 the the DT 39928 1510 30 permanence permanence NN 39928 1510 31 of of IN 39928 1510 32 life life NN 39928 1510 33 if if IN 39928 1510 34 the the DT 39928 1510 35 quantity quantity NN 39928 1510 36 forming form VBG 39928 1510 37 a a DT 39928 1510 38 constant constant JJ 39928 1510 39 constituent constituent NN 39928 1510 40 of of IN 39928 1510 41 the the DT 39928 1510 42 atmosphere atmosphere NN 39928 1510 43 were be VBD 39928 1510 44 much much RB 39928 1510 45 greater great JJR 39928 1510 46 than than IN 39928 1510 47 it -PRON- PRP 39928 1510 48 is be VBZ 39928 1510 49 . . . 39928 1511 1 AQUEOUS AQUEOUS NNP 39928 1511 2 VAPOUR VAPOUR NNP 39928 1511 3 IN in IN 39928 1511 4 THE the DT 39928 1511 5 ATMOSPHERE ATMOSPHERE NNP 39928 1511 6 This this DT 39928 1511 7 water water NN 39928 1511 8 - - HYPH 39928 1511 9 gas gas NN 39928 1511 10 , , , 39928 1511 11 although although IN 39928 1511 12 it -PRON- PRP 39928 1511 13 occurs occur VBZ 39928 1511 14 in in IN 39928 1511 15 the the DT 39928 1511 16 atmosphere atmosphere NN 39928 1511 17 in in IN 39928 1511 18 largely largely RB 39928 1511 19 varying vary VBG 39928 1511 20 quantities quantity NNS 39928 1511 21 , , , 39928 1511 22 is be VBZ 39928 1511 23 yet yet RB 39928 1511 24 , , , 39928 1511 25 in in IN 39928 1511 26 two two CD 39928 1511 27 distinct distinct JJ 39928 1511 28 ways way NNS 39928 1511 29 , , , 39928 1511 30 essential essential JJ 39928 1511 31 to to IN 39928 1511 32 organic organic JJ 39928 1511 33 life life NN 39928 1511 34 . . . 39928 1512 1 It -PRON- PRP 39928 1512 2 prevents prevent VBZ 39928 1512 3 the the DT 39928 1512 4 too too RB 39928 1512 5 rapid rapid JJ 39928 1512 6 loss loss NN 39928 1512 7 of of IN 39928 1512 8 moisture moisture NN 39928 1512 9 from from IN 39928 1512 10 the the DT 39928 1512 11 leaves leave NNS 39928 1512 12 of of IN 39928 1512 13 plants plant NNS 39928 1512 14 when when WRB 39928 1512 15 exposed expose VBN 39928 1512 16 to to IN 39928 1512 17 the the DT 39928 1512 18 sun sun NN 39928 1512 19 , , , 39928 1512 20 and and CC 39928 1512 21 it -PRON- PRP 39928 1512 22 is be VBZ 39928 1512 23 also also RB 39928 1512 24 absorbed absorb VBN 39928 1512 25 by by IN 39928 1512 26 the the DT 39928 1512 27 upper upper JJ 39928 1512 28 surface surface NN 39928 1512 29 of of IN 39928 1512 30 the the DT 39928 1512 31 leaf leaf NN 39928 1512 32 and and CC 39928 1512 33 by by IN 39928 1512 34 the the DT 39928 1512 35 young young JJ 39928 1512 36 shoots shoot NNS 39928 1512 37 , , , 39928 1512 38 which which WDT 39928 1512 39 thus thus RB 39928 1512 40 obtain obtain VBP 39928 1512 41 both both CC 39928 1512 42 water water NN 39928 1512 43 and and CC 39928 1512 44 minute minute NN 39928 1512 45 quantities quantity NNS 39928 1512 46 of of IN 39928 1512 47 ammonia ammonia NNP 39928 1512 48 when when WRB 39928 1512 49 the the DT 39928 1512 50 supply supply NN 39928 1512 51 by by IN 39928 1512 52 the the DT 39928 1512 53 roots root NNS 39928 1512 54 is be VBZ 39928 1512 55 insufficient insufficient JJ 39928 1512 56 . . . 39928 1513 1 But but CC 39928 1513 2 it -PRON- PRP 39928 1513 3 is be VBZ 39928 1513 4 of of IN 39928 1513 5 even even RB 39928 1513 6 more more RBR 39928 1513 7 vital vital JJ 39928 1513 8 importance importance NN 39928 1513 9 in in IN 39928 1513 10 supplying supply VBG 39928 1513 11 the the DT 39928 1513 12 hydrogen hydrogen NN 39928 1513 13 which which WDT 39928 1513 14 , , , 39928 1513 15 when when WRB 39928 1513 16 united unite VBN 39928 1513 17 with with IN 39928 1513 18 the the DT 39928 1513 19 nitrogen nitrogen NN 39928 1513 20 of of IN 39928 1513 21 the the DT 39928 1513 22 atmosphere atmosphere NN 39928 1513 23 by by IN 39928 1513 24 electrical electrical JJ 39928 1513 25 discharges discharge NNS 39928 1513 26 , , , 39928 1513 27 produces produce VBZ 39928 1513 28 the the DT 39928 1513 29 ammonia ammonia NN 39928 1513 30 , , , 39928 1513 31 which which WDT 39928 1513 32 is be VBZ 39928 1513 33 the the DT 39928 1513 34 main main JJ 39928 1513 35 source source NN 39928 1513 36 of of IN 39928 1513 37 all all PDT 39928 1513 38 the the DT 39928 1513 39 proteids proteid NNS 39928 1513 40 of of IN 39928 1513 41 the the DT 39928 1513 42 plant plant NN 39928 1513 43 , , , 39928 1513 44 which which WDT 39928 1513 45 proteids proteid NNS 39928 1513 46 are be VBP 39928 1513 47 the the DT 39928 1513 48 very very JJ 39928 1513 49 foundation foundation NN 39928 1513 50 of of IN 39928 1513 51 animal animal NN 39928 1513 52 life life NN 39928 1513 53 . . . 39928 1514 1 From from IN 39928 1514 2 this this DT 39928 1514 3 brief brief JJ 39928 1514 4 statement statement NN 39928 1514 5 of of IN 39928 1514 6 the the DT 39928 1514 7 purposes purpose NNS 39928 1514 8 served serve VBN 39928 1514 9 by by IN 39928 1514 10 the the DT 39928 1514 11 various various JJ 39928 1514 12 gases gas NNS 39928 1514 13 forming form VBG 39928 1514 14 our -PRON- PRP$ 39928 1514 15 atmosphere atmosphere NN 39928 1514 16 , , , 39928 1514 17 we -PRON- PRP 39928 1514 18 see see VBP 39928 1514 19 that that IN 39928 1514 20 they -PRON- PRP 39928 1514 21 are be VBP 39928 1514 22 to to IN 39928 1514 23 some some DT 39928 1514 24 extent extent NN 39928 1514 25 antagonistic antagonistic JJ 39928 1514 26 , , , 39928 1514 27 and and CC 39928 1514 28 that that IN 39928 1514 29 any any DT 39928 1514 30 considerable considerable JJ 39928 1514 31 increase increase NN 39928 1514 32 of of IN 39928 1514 33 one one CD 39928 1514 34 or or CC 39928 1514 35 the the DT 39928 1514 36 other other JJ 39928 1514 37 would would MD 39928 1514 38 lead lead VB 39928 1514 39 to to IN 39928 1514 40 results result NNS 39928 1514 41 that that WDT 39928 1514 42 might may MD 39928 1514 43 be be VB 39928 1514 44 injurious injurious JJ 39928 1514 45 either either CC 39928 1514 46 directly directly RB 39928 1514 47 or or CC 39928 1514 48 in in IN 39928 1514 49 their -PRON- PRP$ 39928 1514 50 ultimate ultimate JJ 39928 1514 51 results result NNS 39928 1514 52 . . . 39928 1515 1 And and CC 39928 1515 2 as as IN 39928 1515 3 the the DT 39928 1515 4 elements element NNS 39928 1515 5 which which WDT 39928 1515 6 constitute constitute VBP 39928 1515 7 the the DT 39928 1515 8 bulk bulk NN 39928 1515 9 of of IN 39928 1515 10 all all DT 39928 1515 11 living live VBG 39928 1515 12 matter matter NN 39928 1515 13 possess possess NN 39928 1515 14 properties property NNS 39928 1515 15 which which WDT 39928 1515 16 render render VBP 39928 1515 17 them -PRON- PRP 39928 1515 18 alone alone RB 39928 1515 19 suitable suitable JJ 39928 1515 20 for for IN 39928 1515 21 the the DT 39928 1515 22 purpose purpose NN 39928 1515 23 , , , 39928 1515 24 we -PRON- PRP 39928 1515 25 may may MD 39928 1515 26 conclude conclude VB 39928 1515 27 that that IN 39928 1515 28 the the DT 39928 1515 29 proportions proportion NNS 39928 1515 30 in in IN 39928 1515 31 which which WDT 39928 1515 32 they -PRON- PRP 39928 1515 33 exist exist VBP 39928 1515 34 in in IN 39928 1515 35 our -PRON- PRP$ 39928 1515 36 atmosphere atmosphere NN 39928 1515 37 can can MD 39928 1515 38 not not RB 39928 1515 39 be be VB 39928 1515 40 very very RB 39928 1515 41 widely widely RB 39928 1515 42 departed depart VBN 39928 1515 43 from from IN 39928 1515 44 wherever wherever WRB 39928 1515 45 organic organic JJ 39928 1515 46 forms form NNS 39928 1515 47 are be VBP 39928 1515 48 developed develop VBN 39928 1515 49 . . . 39928 1516 1 THE the DT 39928 1516 2 ALTERNATION ALTERNATION NNP 39928 1516 3 OF of IN 39928 1516 4 DAY DAY NNP 39928 1516 5 AND and CC 39928 1516 6 NIGHT night NN 39928 1516 7 Although although IN 39928 1516 8 it -PRON- PRP 39928 1516 9 is be VBZ 39928 1516 10 difficult difficult JJ 39928 1516 11 to to TO 39928 1516 12 decide decide VB 39928 1516 13 positively positively RB 39928 1516 14 whether whether IN 39928 1516 15 alternations alternation NNS 39928 1516 16 of of IN 39928 1516 17 light light NN 39928 1516 18 and and CC 39928 1516 19 darkness darkness NN 39928 1516 20 at at IN 39928 1516 21 short short JJ 39928 1516 22 intervals interval NNS 39928 1516 23 are be VBP 39928 1516 24 absolutely absolutely RB 39928 1516 25 essential essential JJ 39928 1516 26 for for IN 39928 1516 27 the the DT 39928 1516 28 development development NN 39928 1516 29 of of IN 39928 1516 30 the the DT 39928 1516 31 various various JJ 39928 1516 32 higher high JJR 39928 1516 33 forms form NNS 39928 1516 34 of of IN 39928 1516 35 life life NN 39928 1516 36 , , , 39928 1516 37 or or CC 39928 1516 38 whether whether IN 39928 1516 39 a a DT 39928 1516 40 world world NN 39928 1516 41 in in IN 39928 1516 42 which which WDT 39928 1516 43 light light NN 39928 1516 44 was be VBD 39928 1516 45 constant constant JJ 39928 1516 46 might may MD 39928 1516 47 do do VB 39928 1516 48 as as RB 39928 1516 49 well well RB 39928 1516 50 , , , 39928 1516 51 yet yet RB 39928 1516 52 on on IN 39928 1516 53 the the DT 39928 1516 54 whole whole NN 39928 1516 55 it -PRON- PRP 39928 1516 56 seems seem VBZ 39928 1516 57 probable probable JJ 39928 1516 58 that that DT 39928 1516 59 day day NN 39928 1516 60 and and CC 39928 1516 61 night night NN 39928 1516 62 are be VBP 39928 1516 63 really really RB 39928 1516 64 important important JJ 39928 1516 65 factors factor NNS 39928 1516 66 . . . 39928 1517 1 All all DT 39928 1517 2 nature nature NN 39928 1517 3 is be VBZ 39928 1517 4 full full JJ 39928 1517 5 of of IN 39928 1517 6 rhythmic rhythmic JJ 39928 1517 7 movements movement NNS 39928 1517 8 of of IN 39928 1517 9 infinitely infinitely RB 39928 1517 10 varied varied JJ 39928 1517 11 kinds kind NNS 39928 1517 12 , , , 39928 1517 13 degrees degree NNS 39928 1517 14 , , , 39928 1517 15 and and CC 39928 1517 16 durations duration NNS 39928 1517 17 . . . 39928 1518 1 All all PDT 39928 1518 2 the the DT 39928 1518 3 motions motion NNS 39928 1518 4 and and CC 39928 1518 5 functions function NNS 39928 1518 6 of of IN 39928 1518 7 living living NN 39928 1518 8 things thing NNS 39928 1518 9 are be VBP 39928 1518 10 periodic periodic JJ 39928 1518 11 ; ; : 39928 1518 12 growth growth NN 39928 1518 13 and and CC 39928 1518 14 repair repair NN 39928 1518 15 , , , 39928 1518 16 assimilation assimilation NN 39928 1518 17 and and CC 39928 1518 18 waste waste NN 39928 1518 19 , , , 39928 1518 20 go go VB 39928 1518 21 on on RP 39928 1518 22 alternately alternately RB 39928 1518 23 . . . 39928 1519 1 All all DT 39928 1519 2 our -PRON- PRP$ 39928 1519 3 organs organ NNS 39928 1519 4 are be VBP 39928 1519 5 subject subject JJ 39928 1519 6 to to IN 39928 1519 7 fatigue fatigue NN 39928 1519 8 and and CC 39928 1519 9 require require VB 39928 1519 10 rest rest NN 39928 1519 11 . . . 39928 1520 1 All all DT 39928 1520 2 kinds kind NNS 39928 1520 3 of of IN 39928 1520 4 stimulus stimulus NN 39928 1520 5 must must MD 39928 1520 6 be be VB 39928 1520 7 of of IN 39928 1520 8 short short JJ 39928 1520 9 duration duration NN 39928 1520 10 or or CC 39928 1520 11 injurious injurious JJ 39928 1520 12 results result NNS 39928 1520 13 follow follow VBP 39928 1520 14 . . . 39928 1521 1 Hence hence RB 39928 1521 2 the the DT 39928 1521 3 advantage advantage NN 39928 1521 4 of of IN 39928 1521 5 darkness darkness NN 39928 1521 6 , , , 39928 1521 7 when when WRB 39928 1521 8 the the DT 39928 1521 9 stimuli stimulus NNS 39928 1521 10 of of IN 39928 1521 11 light light NN 39928 1521 12 and and CC 39928 1521 13 heat heat NN 39928 1521 14 are be VBP 39928 1521 15 partially partially RB 39928 1521 16 removed remove VBN 39928 1521 17 , , , 39928 1521 18 and and CC 39928 1521 19 we -PRON- PRP 39928 1521 20 welcome welcome VBP 39928 1521 21 ' ' '' 39928 1521 22 tired tired JJ 39928 1521 23 nature nature NN 39928 1521 24 's 's POS 39928 1521 25 sweet sweet JJ 39928 1521 26 restorer restorer NN 39928 1521 27 , , , 39928 1521 28 balmy balmy JJ 39928 1521 29 sleep'--giving sleep'--giving NNP 39928 1521 30 rest rest NN 39928 1521 31 to to IN 39928 1521 32 all all PDT 39928 1521 33 the the DT 39928 1521 34 senses sense NNS 39928 1521 35 and and CC 39928 1521 36 faculties faculty NNS 39928 1521 37 of of IN 39928 1521 38 body body NN 39928 1521 39 and and CC 39928 1521 40 mind mind NN 39928 1521 41 , , , 39928 1521 42 and and CC 39928 1521 43 endowing endow VBG 39928 1521 44 us -PRON- PRP 39928 1521 45 with with IN 39928 1521 46 renewed renew VBN 39928 1521 47 vigour vigour NN 39928 1521 48 for for IN 39928 1521 49 another another DT 39928 1521 50 period period NN 39928 1521 51 of of IN 39928 1521 52 activity activity NN 39928 1521 53 and and CC 39928 1521 54 enjoyment enjoyment NN 39928 1521 55 of of IN 39928 1521 56 life life NN 39928 1521 57 . . . 39928 1522 1 Plants plant NNS 39928 1522 2 as as RB 39928 1522 3 well well RB 39928 1522 4 as as IN 39928 1522 5 animals animal NNS 39928 1522 6 are be VBP 39928 1522 7 invigorated invigorate VBN 39928 1522 8 by by IN 39928 1522 9 this this DT 39928 1522 10 nightly nightly RB 39928 1522 11 repose repose JJ 39928 1522 12 ; ; : 39928 1522 13 and and CC 39928 1522 14 all all DT 39928 1522 15 alike alike RB 39928 1522 16 benefit benefit NN 39928 1522 17 by by IN 39928 1522 18 these these DT 39928 1522 19 longer long JJR 39928 1522 20 periods period NNS 39928 1522 21 of of IN 39928 1522 22 greater great JJR 39928 1522 23 and and CC 39928 1522 24 less less JJR 39928 1522 25 amounts amount NNS 39928 1522 26 of of IN 39928 1522 27 work work NN 39928 1522 28 caused cause VBN 39928 1522 29 by by IN 39928 1522 30 summer summer NN 39928 1522 31 and and CC 39928 1522 32 winter winter NN 39928 1522 33 , , , 39928 1522 34 dry dry JJ 39928 1522 35 and and CC 39928 1522 36 wet wet JJ 39928 1522 37 seasons season NNS 39928 1522 38 . . . 39928 1523 1 It -PRON- PRP 39928 1523 2 is be VBZ 39928 1523 3 a a DT 39928 1523 4 suggestive suggestive JJ 39928 1523 5 fact fact NN 39928 1523 6 , , , 39928 1523 7 that that IN 39928 1523 8 where where WRB 39928 1523 9 the the DT 39928 1523 10 influence influence NN 39928 1523 11 of of IN 39928 1523 12 heat heat NN 39928 1523 13 and and CC 39928 1523 14 light light NN 39928 1523 15 is be VBZ 39928 1523 16 greatest great JJS 39928 1523 17 -- -- : 39928 1523 18 within within IN 39928 1523 19 the the DT 39928 1523 20 tropics tropic NNS 39928 1523 21 -- -- : 39928 1523 22 the the DT 39928 1523 23 days day NNS 39928 1523 24 and and CC 39928 1523 25 nights night NNS 39928 1523 26 are be VBP 39928 1523 27 of of IN 39928 1523 28 equal equal JJ 39928 1523 29 length length NN 39928 1523 30 , , , 39928 1523 31 giving give VBG 39928 1523 32 equal equal JJ 39928 1523 33 periods period NNS 39928 1523 34 of of IN 39928 1523 35 activity activity NN 39928 1523 36 and and CC 39928 1523 37 rest rest NN 39928 1523 38 . . . 39928 1524 1 But but CC 39928 1524 2 in in IN 39928 1524 3 cold cold JJ 39928 1524 4 and and CC 39928 1524 5 Arctic arctic JJ 39928 1524 6 regions region NNS 39928 1524 7 where where WRB 39928 1524 8 , , , 39928 1524 9 during during IN 39928 1524 10 the the DT 39928 1524 11 short short JJ 39928 1524 12 summer summer NN 39928 1524 13 , , , 39928 1524 14 light light NN 39928 1524 15 is be VBZ 39928 1524 16 nearly nearly RB 39928 1524 17 perpetual perpetual JJ 39928 1524 18 , , , 39928 1524 19 and and CC 39928 1524 20 all all PDT 39928 1524 21 the the DT 39928 1524 22 functions function NNS 39928 1524 23 of of IN 39928 1524 24 life life NN 39928 1524 25 , , , 39928 1524 26 in in IN 39928 1524 27 vegetation vegetation NN 39928 1524 28 especially especially RB 39928 1524 29 , , , 39928 1524 30 go go VB 39928 1524 31 on on RP 39928 1524 32 with with IN 39928 1524 33 extreme extreme JJ 39928 1524 34 rapidity rapidity NN 39928 1524 35 , , , 39928 1524 36 this this DT 39928 1524 37 is be VBZ 39928 1524 38 followed follow VBN 39928 1524 39 by by IN 39928 1524 40 the the DT 39928 1524 41 long long JJ 39928 1524 42 rest rest NN 39928 1524 43 of of IN 39928 1524 44 winter winter NN 39928 1524 45 , , , 39928 1524 46 with with IN 39928 1524 47 its -PRON- PRP$ 39928 1524 48 short short JJ 39928 1524 49 days day NNS 39928 1524 50 and and CC 39928 1524 51 greatly greatly RB 39928 1524 52 lengthened lengthen VBN 39928 1524 53 periods period NNS 39928 1524 54 of of IN 39928 1524 55 darkness darkness NN 39928 1524 56 . . . 39928 1525 1 Of of RB 39928 1525 2 course course RB 39928 1525 3 , , , 39928 1525 4 all all PDT 39928 1525 5 this this DT 39928 1525 6 is be VBZ 39928 1525 7 rather rather RB 39928 1525 8 suggestion suggestion NN 39928 1525 9 than than IN 39928 1525 10 proof proof NN 39928 1525 11 . . . 39928 1526 1 It -PRON- PRP 39928 1526 2 is be VBZ 39928 1526 3 possible possible JJ 39928 1526 4 that that IN 39928 1526 5 in in IN 39928 1526 6 a a DT 39928 1526 7 world world NN 39928 1526 8 of of IN 39928 1526 9 perpetual perpetual JJ 39928 1526 10 day day NN 39928 1526 11 or or CC 39928 1526 12 in in IN 39928 1526 13 one one CD 39928 1526 14 of of IN 39928 1526 15 perpetual perpetual JJ 39928 1526 16 night night NN 39928 1526 17 , , , 39928 1526 18 life life NN 39928 1526 19 _ _ NNP 39928 1526 20 might may MD 39928 1526 21 _ _ NNP 39928 1526 22 have have VB 39928 1526 23 been be VBN 39928 1526 24 developed develop VBN 39928 1526 25 . . . 39928 1527 1 But but CC 39928 1527 2 on on IN 39928 1527 3 the the DT 39928 1527 4 other other JJ 39928 1527 5 hand hand NN 39928 1527 6 , , , 39928 1527 7 considering consider VBG 39928 1527 8 the the DT 39928 1527 9 great great JJ 39928 1527 10 variety variety NN 39928 1527 11 of of IN 39928 1527 12 physical physical JJ 39928 1527 13 conditions condition NNS 39928 1527 14 which which WDT 39928 1527 15 are be VBP 39928 1527 16 seen see VBN 39928 1527 17 to to TO 39928 1527 18 be be VB 39928 1527 19 necessary necessary JJ 39928 1527 20 for for IN 39928 1527 21 the the DT 39928 1527 22 development development NN 39928 1527 23 and and CC 39928 1527 24 preservation preservation NN 39928 1527 25 of of IN 39928 1527 26 life life NN 39928 1527 27 in in IN 39928 1527 28 its -PRON- PRP$ 39928 1527 29 endless endless JJ 39928 1527 30 varieties variety NNS 39928 1527 31 , , , 39928 1527 32 any any DT 39928 1527 33 prejudicial prejudicial JJ 39928 1527 34 influences influence NNS 39928 1527 35 , , , 39928 1527 36 however however RB 39928 1527 37 slight slight JJ 39928 1527 38 , , , 39928 1527 39 might may MD 39928 1527 40 turn turn VB 39928 1527 41 the the DT 39928 1527 42 scale scale NN 39928 1527 43 , , , 39928 1527 44 and and CC 39928 1527 45 prevent prevent VB 39928 1527 46 that that DT 39928 1527 47 harmonious harmonious JJ 39928 1527 48 and and CC 39928 1527 49 continuous continuous JJ 39928 1527 50 evolution evolution NN 39928 1527 51 which which WDT 39928 1527 52 we -PRON- PRP 39928 1527 53 know know VBP 39928 1527 54 _ _ NNP 39928 1527 55 must must MD 39928 1527 56 _ _ NNP 39928 1527 57 have have VB 39928 1527 58 occurred occur VBN 39928 1527 59 . . . 39928 1528 1 So so RB 39928 1528 2 far far RB 39928 1528 3 I -PRON- PRP 39928 1528 4 have have VBP 39928 1528 5 only only RB 39928 1528 6 considered consider VBN 39928 1528 7 the the DT 39928 1528 8 question question NN 39928 1528 9 of of IN 39928 1528 10 day day NN 39928 1528 11 and and CC 39928 1528 12 night night NN 39928 1528 13 as as IN 39928 1528 14 regards regard VBZ 39928 1528 15 the the DT 39928 1528 16 presence presence NN 39928 1528 17 or or CC 39928 1528 18 absence absence NN 39928 1528 19 of of IN 39928 1528 20 light light NN 39928 1528 21 . . . 39928 1529 1 But but CC 39928 1529 2 it -PRON- PRP 39928 1529 3 is be VBZ 39928 1529 4 probably probably RB 39928 1529 5 far far RB 39928 1529 6 more more RBR 39928 1529 7 important important JJ 39928 1529 8 in in IN 39928 1529 9 its -PRON- PRP$ 39928 1529 10 heat heat NN 39928 1529 11 aspect aspect NN 39928 1529 12 ; ; : 39928 1529 13 and and CC 39928 1529 14 here here RB 39928 1529 15 its -PRON- PRP$ 39928 1529 16 period period NN 39928 1529 17 becomes become VBZ 39928 1529 18 of of IN 39928 1529 19 great great JJ 39928 1529 20 , , , 39928 1529 21 perhaps perhaps RB 39928 1529 22 vital vital JJ 39928 1529 23 , , , 39928 1529 24 importance importance NN 39928 1529 25 . . . 39928 1530 1 With with IN 39928 1530 2 its -PRON- PRP$ 39928 1530 3 present present JJ 39928 1530 4 duration duration NN 39928 1530 5 of of IN 39928 1530 6 twelve twelve CD 39928 1530 7 hours hour NNS 39928 1530 8 day day NN 39928 1530 9 and and CC 39928 1530 10 twelve twelve CD 39928 1530 11 night night NN 39928 1530 12 on on IN 39928 1530 13 the the DT 39928 1530 14 average average NN 39928 1530 15 , , , 39928 1530 16 there there EX 39928 1530 17 is be VBZ 39928 1530 18 not not RB 39928 1530 19 time time NN 39928 1530 20 , , , 39928 1530 21 even even RB 39928 1530 22 between between IN 39928 1530 23 the the DT 39928 1530 24 tropics tropic NNS 39928 1530 25 , , , 39928 1530 26 for for IN 39928 1530 27 the the DT 39928 1530 28 earth earth NN 39928 1530 29 to to TO 39928 1530 30 become become VB 39928 1530 31 so so RB 39928 1530 32 excessively excessively RB 39928 1530 33 heated heat VBN 39928 1530 34 as as IN 39928 1530 35 to to TO 39928 1530 36 be be VB 39928 1530 37 inimical inimical JJ 39928 1530 38 to to IN 39928 1530 39 life life NN 39928 1530 40 ; ; : 39928 1530 41 while while IN 39928 1530 42 a a DT 39928 1530 43 considerable considerable JJ 39928 1530 44 portion portion NN 39928 1530 45 of of IN 39928 1530 46 the the DT 39928 1530 47 heat heat NN 39928 1530 48 , , , 39928 1530 49 stored store VBN 39928 1530 50 up up RP 39928 1530 51 in in IN 39928 1530 52 the the DT 39928 1530 53 soil soil NN 39928 1530 54 , , , 39928 1530 55 the the DT 39928 1530 56 water water NN 39928 1530 57 , , , 39928 1530 58 and and CC 39928 1530 59 the the DT 39928 1530 60 atmosphere atmosphere NN 39928 1530 61 , , , 39928 1530 62 is be VBZ 39928 1530 63 given give VBN 39928 1530 64 out out RP 39928 1530 65 at at IN 39928 1530 66 night night NN 39928 1530 67 , , , 39928 1530 68 and and CC 39928 1530 69 thus thus RB 39928 1530 70 prevents prevent VBZ 39928 1530 71 a a DT 39928 1530 72 too too RB 39928 1530 73 sudden sudden JJ 39928 1530 74 and and CC 39928 1530 75 injurious injurious JJ 39928 1530 76 contrast contrast NN 39928 1530 77 of of IN 39928 1530 78 heat heat NN 39928 1530 79 and and CC 39928 1530 80 cold cold JJ 39928 1530 81 . . . 39928 1531 1 If if IN 39928 1531 2 the the DT 39928 1531 3 day day NN 39928 1531 4 and and CC 39928 1531 5 night night NN 39928 1531 6 were be VBD 39928 1531 7 each each DT 39928 1531 8 very very RB 39928 1531 9 much much RB 39928 1531 10 longer longer RB 39928 1531 11 -- -- : 39928 1531 12 say say VB 39928 1531 13 50 50 CD 39928 1531 14 or or CC 39928 1531 15 100 100 CD 39928 1531 16 hours hour NNS 39928 1531 17 -- -- : 39928 1531 18 it -PRON- PRP 39928 1531 19 is be VBZ 39928 1531 20 quite quite RB 39928 1531 21 certain certain JJ 39928 1531 22 that that IN 39928 1531 23 , , , 39928 1531 24 during during IN 39928 1531 25 a a DT 39928 1531 26 day day NN 39928 1531 27 of of IN 39928 1531 28 that that DT 39928 1531 29 duration duration NN 39928 1531 30 , , , 39928 1531 31 the the DT 39928 1531 32 heat heat NN 39928 1531 33 would would MD 39928 1531 34 become become VB 39928 1531 35 so so RB 39928 1531 36 great great JJ 39928 1531 37 as as IN 39928 1531 38 to to TO 39928 1531 39 be be VB 39928 1531 40 inimical inimical JJ 39928 1531 41 , , , 39928 1531 42 perhaps perhaps RB 39928 1531 43 prohibitive prohibitive JJ 39928 1531 44 , , , 39928 1531 45 to to IN 39928 1531 46 most most JJS 39928 1531 47 forms form NNS 39928 1531 48 of of IN 39928 1531 49 life life NN 39928 1531 50 ; ; : 39928 1531 51 while while IN 39928 1531 52 the the DT 39928 1531 53 absence absence NN 39928 1531 54 of of IN 39928 1531 55 all all DT 39928 1531 56 sun sun NN 39928 1531 57 - - HYPH 39928 1531 58 heat heat NN 39928 1531 59 for for IN 39928 1531 60 an an DT 39928 1531 61 equally equally RB 39928 1531 62 long long JJ 39928 1531 63 period period NN 39928 1531 64 would would MD 39928 1531 65 result result VB 39928 1531 66 in in IN 39928 1531 67 a a DT 39928 1531 68 temperature temperature NN 39928 1531 69 far far RB 39928 1531 70 below below IN 39928 1531 71 the the DT 39928 1531 72 freezing freezing JJ 39928 1531 73 point point NN 39928 1531 74 of of IN 39928 1531 75 water water NN 39928 1531 76 . . . 39928 1532 1 It -PRON- PRP 39928 1532 2 is be VBZ 39928 1532 3 doubtful doubtful JJ 39928 1532 4 whether whether IN 39928 1532 5 any any DT 39928 1532 6 high high JJ 39928 1532 7 forms form NNS 39928 1532 8 of of IN 39928 1532 9 animal animal NN 39928 1532 10 life life NN 39928 1532 11 could could MD 39928 1532 12 have have VB 39928 1532 13 arisen arise VBN 39928 1532 14 under under IN 39928 1532 15 such such JJ 39928 1532 16 great great JJ 39928 1532 17 and and CC 39928 1532 18 continual continual JJ 39928 1532 19 contrasts contrast NNS 39928 1532 20 of of IN 39928 1532 21 temperature temperature NN 39928 1532 22 . . . 39928 1533 1 We -PRON- PRP 39928 1533 2 will will MD 39928 1533 3 now now RB 39928 1533 4 proceed proceed VB 39928 1533 5 to to TO 39928 1533 6 point point VB 39928 1533 7 out out RP 39928 1533 8 the the DT 39928 1533 9 special special JJ 39928 1533 10 features feature NNS 39928 1533 11 which which WDT 39928 1533 12 , , , 39928 1533 13 in in IN 39928 1533 14 our -PRON- PRP$ 39928 1533 15 earth earth NN 39928 1533 16 , , , 39928 1533 17 have have VBP 39928 1533 18 combined combine VBN 39928 1533 19 to to TO 39928 1533 20 bring bring VB 39928 1533 21 about about RP 39928 1533 22 and and CC 39928 1533 23 to to TO 39928 1533 24 maintain maintain VB 39928 1533 25 the the DT 39928 1533 26 various various JJ 39928 1533 27 and and CC 39928 1533 28 complex complex JJ 39928 1533 29 conditions condition NNS 39928 1533 30 we -PRON- PRP 39928 1533 31 have have VBP 39928 1533 32 seen see VBN 39928 1533 33 to to TO 39928 1533 34 be be VB 39928 1533 35 essential essential JJ 39928 1533 36 for for IN 39928 1533 37 life life NN 39928 1533 38 as as IN 39928 1533 39 it -PRON- PRP 39928 1533 40 exists exist VBZ 39928 1533 41 around around IN 39928 1533 42 us -PRON- PRP 39928 1533 43 . . . 39928 1534 1 CHAPTER chapter NN 39928 1534 2 XII XII NNP 39928 1534 3 THE the DT 39928 1534 4 EARTH earth NN 39928 1534 5 IN in IN 39928 1534 6 ITS its PRP$ 39928 1534 7 RELATION relation NN 39928 1534 8 TO to IN 39928 1534 9 THE the DT 39928 1534 10 DEVELOPMENT DEVELOPMENT NNP 39928 1534 11 AND and CC 39928 1534 12 MAINTENANCE maintenance NN 39928 1534 13 OF of IN 39928 1534 14 LIFE life NN 39928 1534 15 The the DT 39928 1534 16 first first JJ 39928 1534 17 circumstance circumstance NN 39928 1534 18 to to TO 39928 1534 19 be be VB 39928 1534 20 considered consider VBN 39928 1534 21 in in IN 39928 1534 22 relation relation NN 39928 1534 23 to to IN 39928 1534 24 the the DT 39928 1534 25 habitability habitability NN 39928 1534 26 of of IN 39928 1534 27 a a DT 39928 1534 28 planet planet NN 39928 1534 29 is be VBZ 39928 1534 30 its -PRON- PRP$ 39928 1534 31 distance distance NN 39928 1534 32 from from IN 39928 1534 33 the the DT 39928 1534 34 sun sun NN 39928 1534 35 . . . 39928 1535 1 We -PRON- PRP 39928 1535 2 know know VBP 39928 1535 3 that that IN 39928 1535 4 the the DT 39928 1535 5 heating heating NN 39928 1535 6 power power NN 39928 1535 7 of of IN 39928 1535 8 the the DT 39928 1535 9 sun sun NN 39928 1535 10 upon upon IN 39928 1535 11 our -PRON- PRP$ 39928 1535 12 earth earth NN 39928 1535 13 is be VBZ 39928 1535 14 ample ample JJ 39928 1535 15 for for IN 39928 1535 16 the the DT 39928 1535 17 development development NN 39928 1535 18 of of IN 39928 1535 19 life life NN 39928 1535 20 in in IN 39928 1535 21 an an DT 39928 1535 22 almost almost RB 39928 1535 23 infinite infinite JJ 39928 1535 24 variety variety NN 39928 1535 25 of of IN 39928 1535 26 forms form NNS 39928 1535 27 ; ; : 39928 1535 28 and and CC 39928 1535 29 we -PRON- PRP 39928 1535 30 have have VBP 39928 1535 31 a a DT 39928 1535 32 large large JJ 39928 1535 33 amount amount NN 39928 1535 34 of of IN 39928 1535 35 evidence evidence NN 39928 1535 36 to to TO 39928 1535 37 show show VB 39928 1535 38 that that IN 39928 1535 39 , , , 39928 1535 40 were be VBD 39928 1535 41 it -PRON- PRP 39928 1535 42 not not RB 39928 1535 43 for for IN 39928 1535 44 the the DT 39928 1535 45 equalising equalising NN 39928 1535 46 power power NN 39928 1535 47 of of IN 39928 1535 48 air air NN 39928 1535 49 and and CC 39928 1535 50 water water NN 39928 1535 51 , , , 39928 1535 52 distributed distribute VBN 39928 1535 53 as as IN 39928 1535 54 they -PRON- PRP 39928 1535 55 are be VBP 39928 1535 56 with with IN 39928 1535 57 us -PRON- PRP 39928 1535 58 , , , 39928 1535 59 the the DT 39928 1535 60 heat heat NN 39928 1535 61 received receive VBD 39928 1535 62 from from IN 39928 1535 63 the the DT 39928 1535 64 sun sun NN 39928 1535 65 would would MD 39928 1535 66 be be VB 39928 1535 67 sometimes sometimes RB 39928 1535 68 too too RB 39928 1535 69 great great JJ 39928 1535 70 and and CC 39928 1535 71 sometimes sometimes RB 39928 1535 72 too too RB 39928 1535 73 little little JJ 39928 1535 74 . . . 39928 1536 1 In in IN 39928 1536 2 some some DT 39928 1536 3 parts part NNS 39928 1536 4 of of IN 39928 1536 5 Africa Africa NNP 39928 1536 6 , , , 39928 1536 7 Australia Australia NNP 39928 1536 8 , , , 39928 1536 9 and and CC 39928 1536 10 India India NNP 39928 1536 11 , , , 39928 1536 12 the the DT 39928 1536 13 sandy sandy JJ 39928 1536 14 soil soil NN 39928 1536 15 becomes become VBZ 39928 1536 16 so so RB 39928 1536 17 hot hot JJ 39928 1536 18 that that IN 39928 1536 19 an an DT 39928 1536 20 egg egg NN 39928 1536 21 can can MD 39928 1536 22 be be VB 39928 1536 23 cooked cook VBN 39928 1536 24 by by IN 39928 1536 25 placing place VBG 39928 1536 26 it -PRON- PRP 39928 1536 27 just just RB 39928 1536 28 below below IN 39928 1536 29 the the DT 39928 1536 30 surface surface NN 39928 1536 31 . . . 39928 1537 1 On on IN 39928 1537 2 the the DT 39928 1537 3 other other JJ 39928 1537 4 hand hand NN 39928 1537 5 , , , 39928 1537 6 at at IN 39928 1537 7 an an DT 39928 1537 8 elevation elevation NN 39928 1537 9 of of IN 39928 1537 10 about about RB 39928 1537 11 12,000 12,000 CD 39928 1537 12 feet foot NNS 39928 1537 13 in in IN 39928 1537 14 lat lat NN 39928 1537 15 . . . 39928 1538 1 40 40 CD 39928 1538 2 ° ° , 39928 1538 3 it -PRON- PRP 39928 1538 4 freezes freeze VBZ 39928 1538 5 every every DT 39928 1538 6 night night NN 39928 1538 7 , , , 39928 1538 8 and and CC 39928 1538 9 throughout throughout IN 39928 1538 10 the the DT 39928 1538 11 day day NN 39928 1538 12 in in IN 39928 1538 13 all all DT 39928 1538 14 places place NNS 39928 1538 15 sheltered shelter VBN 39928 1538 16 from from IN 39928 1538 17 the the DT 39928 1538 18 sun sun NN 39928 1538 19 . . . 39928 1539 1 Now now RB 39928 1539 2 , , , 39928 1539 3 both both PDT 39928 1539 4 these these DT 39928 1539 5 temperatures temperature NNS 39928 1539 6 are be VBP 39928 1539 7 adverse adverse JJ 39928 1539 8 to to IN 39928 1539 9 life life NN 39928 1539 10 , , , 39928 1539 11 and and CC 39928 1539 12 if if IN 39928 1539 13 either either DT 39928 1539 14 of of IN 39928 1539 15 them -PRON- PRP 39928 1539 16 persisted persist VBD 39928 1539 17 over over IN 39928 1539 18 a a DT 39928 1539 19 considerable considerable JJ 39928 1539 20 portion portion NN 39928 1539 21 of of IN 39928 1539 22 the the DT 39928 1539 23 earth earth NN 39928 1539 24 , , , 39928 1539 25 the the DT 39928 1539 26 development development NN 39928 1539 27 of of IN 39928 1539 28 life life NN 39928 1539 29 would would MD 39928 1539 30 have have VB 39928 1539 31 been be VBN 39928 1539 32 impossible impossible JJ 39928 1539 33 . . . 39928 1540 1 But but CC 39928 1540 2 the the DT 39928 1540 3 heat heat NN 39928 1540 4 derived derive VBD 39928 1540 5 from from IN 39928 1540 6 the the DT 39928 1540 7 sun sun NN 39928 1540 8 is be VBZ 39928 1540 9 inversely inversely RB 39928 1540 10 as as IN 39928 1540 11 the the DT 39928 1540 12 square square NN 39928 1540 13 of of IN 39928 1540 14 the the DT 39928 1540 15 distance distance NN 39928 1540 16 , , , 39928 1540 17 so so IN 39928 1540 18 that that IN 39928 1540 19 at at IN 39928 1540 20 half half PDT 39928 1540 21 the the DT 39928 1540 22 distance distance NN 39928 1540 23 we -PRON- PRP 39928 1540 24 should should MD 39928 1540 25 have have VB 39928 1540 26 four four CD 39928 1540 27 times time NNS 39928 1540 28 as as RB 39928 1540 29 much much JJ 39928 1540 30 heat heat NN 39928 1540 31 , , , 39928 1540 32 and and CC 39928 1540 33 at at IN 39928 1540 34 twice twice PDT 39928 1540 35 the the DT 39928 1540 36 distance distance NN 39928 1540 37 only only RB 39928 1540 38 one one CD 39928 1540 39 - - HYPH 39928 1540 40 fourth fourth NN 39928 1540 41 of of IN 39928 1540 42 the the DT 39928 1540 43 heat heat NN 39928 1540 44 . . . 39928 1541 1 Even even RB 39928 1541 2 at at IN 39928 1541 3 two two CD 39928 1541 4 - - HYPH 39928 1541 5 thirds third NNS 39928 1541 6 of of IN 39928 1541 7 the the DT 39928 1541 8 distance distance NN 39928 1541 9 we -PRON- PRP 39928 1541 10 should should MD 39928 1541 11 receive receive VB 39928 1541 12 more more RBR 39928 1541 13 than than IN 39928 1541 14 twice twice PDT 39928 1541 15 as as RB 39928 1541 16 much much JJ 39928 1541 17 heat heat NN 39928 1541 18 ; ; : 39928 1541 19 and and CC 39928 1541 20 , , , 39928 1541 21 considering consider VBG 39928 1541 22 the the DT 39928 1541 23 facts fact NNS 39928 1541 24 as as IN 39928 1541 25 to to IN 39928 1541 26 the the DT 39928 1541 27 extreme extreme JJ 39928 1541 28 sensitiveness sensitiveness NN 39928 1541 29 of of IN 39928 1541 30 protoplasm protoplasm NN 39928 1541 31 and and CC 39928 1541 32 the the DT 39928 1541 33 coagulation coagulation NN 39928 1541 34 of of IN 39928 1541 35 albumen albuman NNS 39928 1541 36 , , , 39928 1541 37 it -PRON- PRP 39928 1541 38 seems seem VBZ 39928 1541 39 certain certain JJ 39928 1541 40 that that IN 39928 1541 41 we -PRON- PRP 39928 1541 42 are be VBP 39928 1541 43 situated situate VBN 39928 1541 44 in in IN 39928 1541 45 what what WP 39928 1541 46 has have VBZ 39928 1541 47 been be VBN 39928 1541 48 termed term VBN 39928 1541 49 the the DT 39928 1541 50 temperate temperate NN 39928 1541 51 zone zone NN 39928 1541 52 of of IN 39928 1541 53 the the DT 39928 1541 54 solar solar JJ 39928 1541 55 system system NN 39928 1541 56 , , , 39928 1541 57 and and CC 39928 1541 58 that that IN 39928 1541 59 we -PRON- PRP 39928 1541 60 could could MD 39928 1541 61 not not RB 39928 1541 62 be be VB 39928 1541 63 removed remove VBN 39928 1541 64 far far RB 39928 1541 65 from from IN 39928 1541 66 our -PRON- PRP$ 39928 1541 67 present present JJ 39928 1541 68 position position NN 39928 1541 69 without without IN 39928 1541 70 endangering endanger VBG 39928 1541 71 a a DT 39928 1541 72 considerable considerable JJ 39928 1541 73 portion portion NN 39928 1541 74 of of IN 39928 1541 75 the the DT 39928 1541 76 life life NN 39928 1541 77 now now RB 39928 1541 78 existing exist VBG 39928 1541 79 upon upon IN 39928 1541 80 the the DT 39928 1541 81 earth earth NN 39928 1541 82 , , , 39928 1541 83 and and CC 39928 1541 84 in in IN 39928 1541 85 all all DT 39928 1541 86 probability probability NN 39928 1541 87 rendering render VBG 39928 1541 88 the the DT 39928 1541 89 actual actual JJ 39928 1541 90 development development NN 39928 1541 91 of of IN 39928 1541 92 life life NN 39928 1541 93 , , , 39928 1541 94 through through IN 39928 1541 95 all all DT 39928 1541 96 its -PRON- PRP$ 39928 1541 97 phases phase NNS 39928 1541 98 and and CC 39928 1541 99 gradations gradation NNS 39928 1541 100 , , , 39928 1541 101 impossible impossible JJ 39928 1541 102 . . . 39928 1542 1 THE the DT 39928 1542 2 OBLIQUITY OBLIQUITY NNP 39928 1542 3 OF of IN 39928 1542 4 THE the DT 39928 1542 5 ECLIPTIC ecliptic NN 39928 1542 6 The the DT 39928 1542 7 effect effect NN 39928 1542 8 of of IN 39928 1542 9 the the DT 39928 1542 10 obliquity obliquity NN 39928 1542 11 of of IN 39928 1542 12 the the DT 39928 1542 13 earth earth NN 39928 1542 14 's 's POS 39928 1542 15 equator equator NN 39928 1542 16 to to IN 39928 1542 17 its -PRON- PRP$ 39928 1542 18 path path NN 39928 1542 19 round round IN 39928 1542 20 the the DT 39928 1542 21 sun sun NN 39928 1542 22 , , , 39928 1542 23 upon upon IN 39928 1542 24 which which WDT 39928 1542 25 depend depend VBP 39928 1542 26 our -PRON- PRP$ 39928 1542 27 varying varying NN 39928 1542 28 seasons season NNS 39928 1542 29 and and CC 39928 1542 30 the the DT 39928 1542 31 inequality inequality NN 39928 1542 32 of of IN 39928 1542 33 day day NN 39928 1542 34 and and CC 39928 1542 35 night night NN 39928 1542 36 throughout throughout IN 39928 1542 37 all all PDT 39928 1542 38 the the DT 39928 1542 39 temperate temperate NN 39928 1542 40 zones zone NNS 39928 1542 41 , , , 39928 1542 42 is be VBZ 39928 1542 43 very very RB 39928 1542 44 generally generally RB 39928 1542 45 known know VBN 39928 1542 46 . . . 39928 1543 1 But but CC 39928 1543 2 it -PRON- PRP 39928 1543 3 is be VBZ 39928 1543 4 not not RB 39928 1543 5 usually usually RB 39928 1543 6 considered consider VBN 39928 1543 7 that that IN 39928 1543 8 this this DT 39928 1543 9 obliquity obliquity NN 39928 1543 10 is be VBZ 39928 1543 11 of of IN 39928 1543 12 any any DT 39928 1543 13 great great JJ 39928 1543 14 importance importance NN 39928 1543 15 as as IN 39928 1543 16 regards regard VBZ 39928 1543 17 the the DT 39928 1543 18 suitability suitability NN 39928 1543 19 of of IN 39928 1543 20 the the DT 39928 1543 21 earth earth NN 39928 1543 22 for for IN 39928 1543 23 the the DT 39928 1543 24 development development NN 39928 1543 25 and and CC 39928 1543 26 maintenance maintenance NN 39928 1543 27 of of IN 39928 1543 28 life life NN 39928 1543 29 ; ; : 39928 1543 30 and and CC 39928 1543 31 it -PRON- PRP 39928 1543 32 seems seem VBZ 39928 1543 33 to to TO 39928 1543 34 have have VB 39928 1543 35 been be VBN 39928 1543 36 passed pass VBN 39928 1543 37 over over RP 39928 1543 38 as as IN 39928 1543 39 an an DT 39928 1543 40 accident accident NN 39928 1543 41 hardly hardly RB 39928 1543 42 worth worth JJ 39928 1543 43 notice notice NN 39928 1543 44 , , , 39928 1543 45 because because IN 39928 1543 46 almost almost RB 39928 1543 47 any any DT 39928 1543 48 other other JJ 39928 1543 49 obliquity obliquity NN 39928 1543 50 or or CC 39928 1543 51 none none NN 39928 1543 52 at at RB 39928 1543 53 all all RB 39928 1543 54 would would MD 39928 1543 55 have have VB 39928 1543 56 been be VBN 39928 1543 57 equally equally RB 39928 1543 58 advantageous advantageous JJ 39928 1543 59 . . . 39928 1544 1 But but CC 39928 1544 2 if if IN 39928 1544 3 we -PRON- PRP 39928 1544 4 consider consider VBP 39928 1544 5 what what WP 39928 1544 6 the the DT 39928 1544 7 direction direction NN 39928 1544 8 of of IN 39928 1544 9 the the DT 39928 1544 10 earth earth NN 39928 1544 11 's 's POS 39928 1544 12 axis axi NNS 39928 1544 13 might may MD 39928 1544 14 possibly possibly RB 39928 1544 15 have have VB 39928 1544 16 been be VBN 39928 1544 17 , , , 39928 1544 18 we -PRON- PRP 39928 1544 19 shall shall MD 39928 1544 20 find find VB 39928 1544 21 that that IN 39928 1544 22 it -PRON- PRP 39928 1544 23 is be VBZ 39928 1544 24 really really RB 39928 1544 25 a a DT 39928 1544 26 matter matter NN 39928 1544 27 of of IN 39928 1544 28 great great JJ 39928 1544 29 importance importance NN 39928 1544 30 from from IN 39928 1544 31 our -PRON- PRP$ 39928 1544 32 present present JJ 39928 1544 33 point point NN 39928 1544 34 of of IN 39928 1544 35 view view NN 39928 1544 36 . . . 39928 1545 1 Let let VB 39928 1545 2 us -PRON- PRP 39928 1545 3 suppose suppose VB 39928 1545 4 , , , 39928 1545 5 first first RB 39928 1545 6 , , , 39928 1545 7 that that IN 39928 1545 8 the the DT 39928 1545 9 earth earth NN 39928 1545 10 's 's POS 39928 1545 11 axis axi NNS 39928 1545 12 was be VBD 39928 1545 13 , , , 39928 1545 14 like like IN 39928 1545 15 that that DT 39928 1545 16 of of IN 39928 1545 17 Uranus Uranus NNP 39928 1545 18 , , , 39928 1545 19 almost almost RB 39928 1545 20 exactly exactly RB 39928 1545 21 in in IN 39928 1545 22 the the DT 39928 1545 23 plane plane NN 39928 1545 24 of of IN 39928 1545 25 its -PRON- PRP$ 39928 1545 26 orbit orbit NN 39928 1545 27 or or CC 39928 1545 28 directed direct VBN 39928 1545 29 towards towards IN 39928 1545 30 the the DT 39928 1545 31 sun sun NN 39928 1545 32 . . . 39928 1546 1 There there EX 39928 1546 2 can can MD 39928 1546 3 be be VB 39928 1546 4 little little JJ 39928 1546 5 doubt doubt NN 39928 1546 6 that that IN 39928 1546 7 such such PDT 39928 1546 8 a a DT 39928 1546 9 position position NN 39928 1546 10 would would MD 39928 1546 11 have have VB 39928 1546 12 rendered render VBN 39928 1546 13 our -PRON- PRP$ 39928 1546 14 world world NN 39928 1546 15 unfitted unfitted JJ 39928 1546 16 for for IN 39928 1546 17 the the DT 39928 1546 18 development development NN 39928 1546 19 of of IN 39928 1546 20 life life NN 39928 1546 21 . . . 39928 1547 1 For for IN 39928 1547 2 the the DT 39928 1547 3 result result NN 39928 1547 4 would would MD 39928 1547 5 be be VB 39928 1547 6 the the DT 39928 1547 7 most most RBS 39928 1547 8 tremendous tremendous JJ 39928 1547 9 contrasts contrast NNS 39928 1547 10 of of IN 39928 1547 11 the the DT 39928 1547 12 seasons season NNS 39928 1547 13 ; ; : 39928 1547 14 at at IN 39928 1547 15 mid mid NN 39928 1547 16 - - NN 39928 1547 17 winter winter NN 39928 1547 18 , , , 39928 1547 19 on on IN 39928 1547 20 one one CD 39928 1547 21 half half NN 39928 1547 22 the the DT 39928 1547 23 globe globe NN 39928 1547 24 , , , 39928 1547 25 arctic arctic NNP 39928 1547 26 night night NN 39928 1547 27 and and CC 39928 1547 28 more more JJR 39928 1547 29 than than IN 39928 1547 30 arctic arctic NNP 39928 1547 31 cold cold NN 39928 1547 32 would would MD 39928 1547 33 prevail prevail VB 39928 1547 34 ; ; : 39928 1547 35 while while IN 39928 1547 36 on on IN 39928 1547 37 the the DT 39928 1547 38 other other JJ 39928 1547 39 half half NN 39928 1547 40 there there EX 39928 1547 41 would would MD 39928 1547 42 be be VB 39928 1547 43 a a DT 39928 1547 44 midsummer midsummer NN 39928 1547 45 of of IN 39928 1547 46 continuous continuous JJ 39928 1547 47 day day NN 39928 1547 48 with with IN 39928 1547 49 a a DT 39928 1547 50 vertical vertical JJ 39928 1547 51 sun sun NN 39928 1547 52 and and CC 39928 1547 53 such such PDT 39928 1547 54 an an DT 39928 1547 55 amount amount NN 39928 1547 56 of of IN 39928 1547 57 heat heat NN 39928 1547 58 as as RB 39928 1547 59 nowhere nowhere RB 39928 1547 60 exists exist VBZ 39928 1547 61 with with IN 39928 1547 62 us -PRON- PRP 39928 1547 63 . . . 39928 1548 1 At at IN 39928 1548 2 the the DT 39928 1548 3 two two CD 39928 1548 4 equinoxes equinox NNS 39928 1548 5 the the DT 39928 1548 6 whole whole JJ 39928 1548 7 globe globe NN 39928 1548 8 would would MD 39928 1548 9 enjoy enjoy VB 39928 1548 10 equal equal JJ 39928 1548 11 day day NN 39928 1548 12 and and CC 39928 1548 13 night night NN 39928 1548 14 , , , 39928 1548 15 all all PDT 39928 1548 16 our -PRON- PRP$ 39928 1548 17 present present JJ 39928 1548 18 tropics tropic NNS 39928 1548 19 and and CC 39928 1548 20 part part NN 39928 1548 21 of of IN 39928 1548 22 the the DT 39928 1548 23 sub sub JJ 39928 1548 24 - - JJ 39928 1548 25 tropical tropical JJ 39928 1548 26 zone zone NN 39928 1548 27 having have VBG 39928 1548 28 the the DT 39928 1548 29 sun sun NN 39928 1548 30 at at IN 39928 1548 31 noon noon NN 39928 1548 32 so so RB 39928 1548 33 near near RB 39928 1548 34 to to IN 39928 1548 35 the the DT 39928 1548 36 zenith zenith NN 39928 1548 37 as as IN 39928 1548 38 to to TO 39928 1548 39 have have VB 39928 1548 40 the the DT 39928 1548 41 essential essential NN 39928 1548 42 of of IN 39928 1548 43 a a DT 39928 1548 44 tropical tropical JJ 39928 1548 45 climate climate NN 39928 1548 46 . . . 39928 1549 1 But but CC 39928 1549 2 the the DT 39928 1549 3 change change NN 39928 1549 4 to to IN 39928 1549 5 about about RB 39928 1549 6 a a DT 39928 1549 7 month month NN 39928 1549 8 of of IN 39928 1549 9 constant constant JJ 39928 1549 10 sunshine sunshine NN 39928 1549 11 or or CC 39928 1549 12 a a DT 39928 1549 13 month month NN 39928 1549 14 of of IN 39928 1549 15 continuous continuous JJ 39928 1549 16 night night NN 39928 1549 17 would would MD 39928 1549 18 be be VB 39928 1549 19 so so RB 39928 1549 20 rapid rapid JJ 39928 1549 21 , , , 39928 1549 22 that that IN 39928 1549 23 it -PRON- PRP 39928 1549 24 seems seem VBZ 39928 1549 25 almost almost RB 39928 1549 26 impossible impossible JJ 39928 1549 27 that that IN 39928 1549 28 either either CC 39928 1549 29 vegetable vegetable NN 39928 1549 30 or or CC 39928 1549 31 animal animal NN 39928 1549 32 life life NN 39928 1549 33 would would MD 39928 1549 34 ever ever RB 39928 1549 35 have have VB 39928 1549 36 developed develop VBN 39928 1549 37 under under IN 39928 1549 38 such such JJ 39928 1549 39 terrible terrible JJ 39928 1549 40 conditions condition NNS 39928 1549 41 . . . 39928 1550 1 The the DT 39928 1550 2 other other JJ 39928 1550 3 extreme extreme JJ 39928 1550 4 direction direction NN 39928 1550 5 of of IN 39928 1550 6 the the DT 39928 1550 7 earth earth NN 39928 1550 8 's 's POS 39928 1550 9 axis axis NN 39928 1550 10 , , , 39928 1550 11 exactly exactly RB 39928 1550 12 at at IN 39928 1550 13 right right JJ 39928 1550 14 angles angle NNS 39928 1550 15 to to IN 39928 1550 16 the the DT 39928 1550 17 plane plane NN 39928 1550 18 of of IN 39928 1550 19 the the DT 39928 1550 20 orbit orbit NN 39928 1550 21 , , , 39928 1550 22 would would MD 39928 1550 23 be be VB 39928 1550 24 much much RB 39928 1550 25 more more RBR 39928 1550 26 favourable favourable JJ 39928 1550 27 , , , 39928 1550 28 but but CC 39928 1550 29 would would MD 39928 1550 30 still still RB 39928 1550 31 have have VB 39928 1550 32 its -PRON- PRP$ 39928 1550 33 disadvantages disadvantage NNS 39928 1550 34 . . . 39928 1551 1 The the DT 39928 1551 2 whole whole JJ 39928 1551 3 surface surface NN 39928 1551 4 from from IN 39928 1551 5 equator equator NN 39928 1551 6 to to IN 39928 1551 7 poles pole NNS 39928 1551 8 would would MD 39928 1551 9 enjoy enjoy VB 39928 1551 10 equal equal JJ 39928 1551 11 day day NN 39928 1551 12 and and CC 39928 1551 13 night night NN 39928 1551 14 , , , 39928 1551 15 and and CC 39928 1551 16 every every DT 39928 1551 17 part part NN 39928 1551 18 would would MD 39928 1551 19 receive receive VB 39928 1551 20 the the DT 39928 1551 21 same same JJ 39928 1551 22 amount amount NN 39928 1551 23 of of IN 39928 1551 24 sun sun NN 39928 1551 25 - - HYPH 39928 1551 26 heat heat VBP 39928 1551 27 all all PDT 39928 1551 28 the the DT 39928 1551 29 year year NN 39928 1551 30 round round NN 39928 1551 31 , , , 39928 1551 32 so so IN 39928 1551 33 that that IN 39928 1551 34 there there EX 39928 1551 35 would would MD 39928 1551 36 be be VB 39928 1551 37 no no DT 39928 1551 38 change change NN 39928 1551 39 of of IN 39928 1551 40 seasons season NNS 39928 1551 41 ; ; : 39928 1551 42 but but CC 39928 1551 43 the the DT 39928 1551 44 heat heat NN 39928 1551 45 received receive VBD 39928 1551 46 would would MD 39928 1551 47 vary vary VB 39928 1551 48 with with IN 39928 1551 49 the the DT 39928 1551 50 latitude latitude NN 39928 1551 51 . . . 39928 1552 1 In in IN 39928 1552 2 our -PRON- PRP$ 39928 1552 3 latitude latitude NN 39928 1552 4 the the DT 39928 1552 5 sun sun NN 39928 1552 6 's 's POS 39928 1552 7 altitude altitude NN 39928 1552 8 at at IN 39928 1552 9 noon noon NN 39928 1552 10 all all PDT 39928 1552 11 the the DT 39928 1552 12 year year NN 39928 1552 13 would would MD 39928 1552 14 be be VB 39928 1552 15 less less JJR 39928 1552 16 than than IN 39928 1552 17 40 40 CD 39928 1552 18 ° ° NNS 39928 1552 19 , , , 39928 1552 20 the the DT 39928 1552 21 same same JJ 39928 1552 22 as as IN 39928 1552 23 now now RB 39928 1552 24 occurs occur VBZ 39928 1552 25 at at IN 39928 1552 26 the the DT 39928 1552 27 equinoxes equinox NNS 39928 1552 28 , , , 39928 1552 29 and and CC 39928 1552 30 we -PRON- PRP 39928 1552 31 might may MD 39928 1552 32 therefore therefore RB 39928 1552 33 have have VB 39928 1552 34 a a DT 39928 1552 35 perpetual perpetual JJ 39928 1552 36 spring spring NN 39928 1552 37 as as IN 39928 1552 38 regards regard VBZ 39928 1552 39 temperature temperature NN 39928 1552 40 . . . 39928 1553 1 But but CC 39928 1553 2 the the DT 39928 1553 3 constancy constancy NN 39928 1553 4 of of IN 39928 1553 5 the the DT 39928 1553 6 heat heat NN 39928 1553 7 in in IN 39928 1553 8 the the DT 39928 1553 9 equatorial equatorial JJ 39928 1553 10 and and CC 39928 1553 11 tropical tropical JJ 39928 1553 12 regions region NNS 39928 1553 13 and and CC 39928 1553 14 of of IN 39928 1553 15 cold cold JJ 39928 1553 16 towards towards IN 39928 1553 17 the the DT 39928 1553 18 poles pole NNS 39928 1553 19 would would MD 39928 1553 20 lead lead VB 39928 1553 21 to to IN 39928 1553 22 a a DT 39928 1553 23 more more RBR 39928 1553 24 constant constant JJ 39928 1553 25 and and CC 39928 1553 26 more more RBR 39928 1553 27 rapid rapid JJ 39928 1553 28 circulation circulation NN 39928 1553 29 of of IN 39928 1553 30 air air NN 39928 1553 31 , , , 39928 1553 32 and and CC 39928 1553 33 we -PRON- PRP 39928 1553 34 should should MD 39928 1553 35 probably probably RB 39928 1553 36 experience experience VB 39928 1553 37 such such JJ 39928 1553 38 continuous continuous JJ 39928 1553 39 north north NN 39928 1553 40 - - HYPH 39928 1553 41 westerly westerly NN 39928 1553 42 winds wind NNS 39928 1553 43 as as IN 39928 1553 44 to to TO 39928 1553 45 render render VB 39928 1553 46 our -PRON- PRP$ 39928 1553 47 climate climate NN 39928 1553 48 always always RB 39928 1553 49 cold cold JJ 39928 1553 50 and and CC 39928 1553 51 probably probably RB 39928 1553 52 very very RB 39928 1553 53 damp damp JJ 39928 1553 54 . . . 39928 1554 1 Near near IN 39928 1554 2 the the DT 39928 1554 3 poles pole NNS 39928 1554 4 the the DT 39928 1554 5 sun sun NN 39928 1554 6 would would MD 39928 1554 7 always always RB 39928 1554 8 be be VB 39928 1554 9 on on IN 39928 1554 10 , , , 39928 1554 11 or or CC 39928 1554 12 close close RB 39928 1554 13 to to IN 39928 1554 14 , , , 39928 1554 15 the the DT 39928 1554 16 horizon horizon NN 39928 1554 17 , , , 39928 1554 18 and and CC 39928 1554 19 would would MD 39928 1554 20 give give VB 39928 1554 21 so so RB 39928 1554 22 little little JJ 39928 1554 23 heat heat NN 39928 1554 24 that that IN 39928 1554 25 the the DT 39928 1554 26 sea sea NN 39928 1554 27 might may MD 39928 1554 28 be be VB 39928 1554 29 perpetually perpetually RB 39928 1554 30 frozen freeze VBN 39928 1554 31 and and CC 39928 1554 32 the the DT 39928 1554 33 land land NN 39928 1554 34 deeply deeply RB 39928 1554 35 snow snow NN 39928 1554 36 - - HYPH 39928 1554 37 buried bury VBN 39928 1554 38 ; ; : 39928 1554 39 and and CC 39928 1554 40 these these DT 39928 1554 41 conditions condition NNS 39928 1554 42 would would MD 39928 1554 43 probably probably RB 39928 1554 44 extend extend VB 39928 1554 45 into into IN 39928 1554 46 the the DT 39928 1554 47 temperate temperate NN 39928 1554 48 zone zone NN 39928 1554 49 , , , 39928 1554 50 and and CC 39928 1554 51 possibly possibly RB 39928 1554 52 so so RB 39928 1554 53 far far RB 39928 1554 54 south south RB 39928 1554 55 as as IN 39928 1554 56 to to TO 39928 1554 57 render render VB 39928 1554 58 life life NN 39928 1554 59 impossible impossible JJ 39928 1554 60 in in IN 39928 1554 61 our -PRON- PRP$ 39928 1554 62 latitudes latitude NNS 39928 1554 63 , , , 39928 1554 64 since since IN 39928 1554 65 whatever whatever WDT 39928 1554 66 results result NNS 39928 1554 67 arose arise VBD 39928 1554 68 would would MD 39928 1554 69 be be VB 39928 1554 70 due due JJ 39928 1554 71 to to IN 39928 1554 72 permanent permanent JJ 39928 1554 73 causes cause NNS 39928 1554 74 , , , 39928 1554 75 and and CC 39928 1554 76 we -PRON- PRP 39928 1554 77 know know VBP 39928 1554 78 how how WRB 39928 1554 79 powerful powerful JJ 39928 1554 80 are be VBP 39928 1554 81 snow snow NN 39928 1554 82 and and CC 39928 1554 83 ice ice NN 39928 1554 84 to to TO 39928 1554 85 extend extend VB 39928 1554 86 their -PRON- PRP$ 39928 1554 87 sway sway NN 39928 1554 88 over over IN 39928 1554 89 adjacent adjacent JJ 39928 1554 90 areas area NNS 39928 1554 91 if if IN 39928 1554 92 not not RB 39928 1554 93 counteracted counteract VBN 39928 1554 94 by by IN 39928 1554 95 summer summer NN 39928 1554 96 heat heat NN 39928 1554 97 or or CC 39928 1554 98 warm warm JJ 39928 1554 99 moist moist JJ 39928 1554 100 winds wind NNS 39928 1554 101 . . . 39928 1555 1 On on IN 39928 1555 2 the the DT 39928 1555 3 whole whole NN 39928 1555 4 , , , 39928 1555 5 therefore therefore RB 39928 1555 6 , , , 39928 1555 7 it -PRON- PRP 39928 1555 8 seems seem VBZ 39928 1555 9 probable probable JJ 39928 1555 10 that that IN 39928 1555 11 this this DT 39928 1555 12 position position NN 39928 1555 13 of of IN 39928 1555 14 the the DT 39928 1555 15 earth earth NN 39928 1555 16 's 's POS 39928 1555 17 axis axi NNS 39928 1555 18 would would MD 39928 1555 19 result result VB 39928 1555 20 in in IN 39928 1555 21 a a DT 39928 1555 22 much much RB 39928 1555 23 smaller small JJR 39928 1555 24 portion portion NN 39928 1555 25 of of IN 39928 1555 26 its -PRON- PRP$ 39928 1555 27 surface surface NN 39928 1555 28 being be VBG 39928 1555 29 capable capable JJ 39928 1555 30 of of IN 39928 1555 31 supporting support VBG 39928 1555 32 a a DT 39928 1555 33 luxuriant luxuriant JJ 39928 1555 34 and and CC 39928 1555 35 varied varied JJ 39928 1555 36 vegetable vegetable NN 39928 1555 37 and and CC 39928 1555 38 animal animal NN 39928 1555 39 life life NN 39928 1555 40 than than IN 39928 1555 41 is be VBZ 39928 1555 42 now now RB 39928 1555 43 the the DT 39928 1555 44 case case NN 39928 1555 45 ; ; : 39928 1555 46 while while IN 39928 1555 47 the the DT 39928 1555 48 extreme extreme JJ 39928 1555 49 uniformity uniformity NN 39928 1555 50 of of IN 39928 1555 51 conditions condition NNS 39928 1555 52 everywhere everywhere RB 39928 1555 53 present present JJ 39928 1555 54 might may MD 39928 1555 55 be be VB 39928 1555 56 so so RB 39928 1555 57 antagonistic antagonistic JJ 39928 1555 58 to to IN 39928 1555 59 the the DT 39928 1555 60 great great JJ 39928 1555 61 law law NN 39928 1555 62 of of IN 39928 1555 63 rhythm rhythm NN 39928 1555 64 that that WDT 39928 1555 65 seems seem VBZ 39928 1555 66 to to TO 39928 1555 67 pervade pervade VB 39928 1555 68 the the DT 39928 1555 69 universe universe NN 39928 1555 70 , , , 39928 1555 71 and and CC 39928 1555 72 be be VB 39928 1555 73 in in IN 39928 1555 74 other other JJ 39928 1555 75 ways way NNS 39928 1555 76 so so RB 39928 1555 77 unfavourable unfavourable JJ 39928 1555 78 , , , 39928 1555 79 that that IN 39928 1555 80 life life NN 39928 1555 81 - - HYPH 39928 1555 82 development development NN 39928 1555 83 would would MD 39928 1555 84 probably probably RB 39928 1555 85 have have VB 39928 1555 86 taken take VBN 39928 1555 87 quite quite PDT 39928 1555 88 a a DT 39928 1555 89 different different JJ 39928 1555 90 course course NN 39928 1555 91 from from IN 39928 1555 92 that that DT 39928 1555 93 which which WDT 39928 1555 94 it -PRON- PRP 39928 1555 95 has have VBZ 39928 1555 96 taken take VBN 39928 1555 97 . . . 39928 1556 1 It -PRON- PRP 39928 1556 2 appears appear VBZ 39928 1556 3 almost almost RB 39928 1556 4 certain certain JJ 39928 1556 5 , , , 39928 1556 6 therefore therefore RB 39928 1556 7 , , , 39928 1556 8 that that IN 39928 1556 9 some some DT 39928 1556 10 intermediate intermediate JJ 39928 1556 11 position position NN 39928 1556 12 of of IN 39928 1556 13 the the DT 39928 1556 14 axis axi NNS 39928 1556 15 would would MD 39928 1556 16 be be VB 39928 1556 17 the the DT 39928 1556 18 most most RBS 39928 1556 19 favourable favourable JJ 39928 1556 20 ; ; : 39928 1556 21 and and CC 39928 1556 22 that that IN 39928 1556 23 which which WDT 39928 1556 24 actually actually RB 39928 1556 25 exists exist VBZ 39928 1556 26 seems seem VBZ 39928 1556 27 to to TO 39928 1556 28 combine combine VB 39928 1556 29 the the DT 39928 1556 30 advantage advantage NN 39928 1556 31 of of IN 39928 1556 32 change change NN 39928 1556 33 of of IN 39928 1556 34 seasons season NNS 39928 1556 35 with with IN 39928 1556 36 good good JJ 39928 1556 37 climatical climatical JJ 39928 1556 38 conditions condition NNS 39928 1556 39 over over IN 39928 1556 40 the the DT 39928 1556 41 largest large JJS 39928 1556 42 possible possible JJ 39928 1556 43 area area NN 39928 1556 44 . . . 39928 1557 1 We -PRON- PRP 39928 1557 2 know know VBP 39928 1557 3 that that IN 39928 1557 4 during during IN 39928 1557 5 the the DT 39928 1557 6 greater great JJR 39928 1557 7 part part NN 39928 1557 8 of of IN 39928 1557 9 the the DT 39928 1557 10 epoch epoch NN 39928 1557 11 of of IN 39928 1557 12 life life NN 39928 1557 13 - - HYPH 39928 1557 14 development development NN 39928 1557 15 this this DT 39928 1557 16 area area NN 39928 1557 17 was be VBD 39928 1557 18 much much RB 39928 1557 19 greater great JJR 39928 1557 20 than than IN 39928 1557 21 at at IN 39928 1557 22 present present NN 39928 1557 23 , , , 39928 1557 24 since since IN 39928 1557 25 a a DT 39928 1557 26 luxuriant luxuriant JJ 39928 1557 27 vegetation vegetation NN 39928 1557 28 of of IN 39928 1557 29 deciduous deciduous JJ 39928 1557 30 and and CC 39928 1557 31 evergreen evergreen JJ 39928 1557 32 trees tree NNS 39928 1557 33 and and CC 39928 1557 34 shrubs shrub NNS 39928 1557 35 extended extend VBN 39928 1557 36 up up RP 39928 1557 37 to to IN 39928 1557 38 and and CC 39928 1557 39 within within IN 39928 1557 40 the the DT 39928 1557 41 Arctic Arctic NNP 39928 1557 42 Circle Circle NNP 39928 1557 43 , , , 39928 1557 44 leading lead VBG 39928 1557 45 to to IN 39928 1557 46 the the DT 39928 1557 47 formation formation NN 39928 1557 48 of of IN 39928 1557 49 coal coal NN 39928 1557 50 - - HYPH 39928 1557 51 beds bed NNS 39928 1557 52 both both CC 39928 1557 53 in in IN 39928 1557 54 palæozoic palæozoic NNP 39928 1557 55 and and CC 39928 1557 56 tertiary tertiary JJ 39928 1557 57 times time NNS 39928 1557 58 ; ; : 39928 1557 59 the the DT 39928 1557 60 extremely extremely RB 39928 1557 61 favourable favourable JJ 39928 1557 62 conditions condition NNS 39928 1557 63 for for IN 39928 1557 64 organic organic JJ 39928 1557 65 life life NN 39928 1557 66 which which WDT 39928 1557 67 then then RB 39928 1557 68 prevailed prevail VBD 39928 1557 69 over over RP 39928 1557 70 so so RB 39928 1557 71 large large VB 39928 1557 72 a a DT 39928 1557 73 portion portion NN 39928 1557 74 of of IN 39928 1557 75 the the DT 39928 1557 76 globe globe NN 39928 1557 77 's 's POS 39928 1557 78 surface surface NN 39928 1557 79 , , , 39928 1557 80 and and CC 39928 1557 81 which which WDT 39928 1557 82 persisted persist VBD 39928 1557 83 down down RP 39928 1557 84 to to IN 39928 1557 85 a a DT 39928 1557 86 comparatively comparatively RB 39928 1557 87 recent recent JJ 39928 1557 88 epoch epoch NN 39928 1557 89 , , , 39928 1557 90 lead lead VB 39928 1557 91 to to IN 39928 1557 92 the the DT 39928 1557 93 conclusion conclusion NN 39928 1557 94 that that IN 39928 1557 95 no no DT 39928 1557 96 more more RBR 39928 1557 97 favourable favourable JJ 39928 1557 98 degree degree NN 39928 1557 99 of of IN 39928 1557 100 obliquity obliquity NN 39928 1557 101 was be VBD 39928 1557 102 possible possible JJ 39928 1557 103 than than IN 39928 1557 104 that that DT 39928 1557 105 which which WDT 39928 1557 106 we -PRON- PRP 39928 1557 107 actually actually RB 39928 1557 108 possess possess VBP 39928 1557 109 . . . 39928 1558 1 A a DT 39928 1558 2 short short JJ 39928 1558 3 account account NN 39928 1558 4 of of IN 39928 1558 5 the the DT 39928 1558 6 evidence evidence NN 39928 1558 7 on on IN 39928 1558 8 this this DT 39928 1558 9 interesting interesting JJ 39928 1558 10 subject subject NN 39928 1558 11 will will MD 39928 1558 12 now now RB 39928 1558 13 be be VB 39928 1558 14 given give VBN 39928 1558 15 . . . 39928 1559 1 PERSISTENCE PERSISTENCE NNP 39928 1559 2 OF of IN 39928 1559 3 MILD MILD NNP 39928 1559 4 CLIMATES climate NNS 39928 1559 5 THROUGH THROUGH VBD 39928 1559 6 GEOLOGIC geologic NN 39928 1559 7 TIME time NN 39928 1559 8 The the DT 39928 1559 9 whole whole NN 39928 1559 10 of of IN 39928 1559 11 the the DT 39928 1559 12 geological geological JJ 39928 1559 13 evidence evidence NN 39928 1559 14 goes go VBZ 39928 1559 15 to to TO 39928 1559 16 show show VB 39928 1559 17 that that IN 39928 1559 18 in in IN 39928 1559 19 remote remote JJ 39928 1559 20 ages age NNS 39928 1559 21 the the DT 39928 1559 22 climate climate NN 39928 1559 23 of of IN 39928 1559 24 the the DT 39928 1559 25 earth earth NN 39928 1559 26 was be VBD 39928 1559 27 generally generally RB 39928 1559 28 more more RBR 39928 1559 29 uniform uniform JJ 39928 1559 30 , , , 39928 1559 31 though though IN 39928 1559 32 perhaps perhaps RB 39928 1559 33 not not RB 39928 1559 34 warmer warm JJR 39928 1559 35 , , , 39928 1559 36 than than IN 39928 1559 37 it -PRON- PRP 39928 1559 38 is be VBZ 39928 1559 39 now now RB 39928 1559 40 , , , 39928 1559 41 and and CC 39928 1559 42 this this DT 39928 1559 43 can can MD 39928 1559 44 be be VB 39928 1559 45 best well RBS 39928 1559 46 explained explain VBN 39928 1559 47 by by IN 39928 1559 48 a a DT 39928 1559 49 slightly slightly RB 39928 1559 50 different different JJ 39928 1559 51 distribution distribution NN 39928 1559 52 of of IN 39928 1559 53 sea sea NN 39928 1559 54 and and CC 39928 1559 55 land land NN 39928 1559 56 , , , 39928 1559 57 which which WDT 39928 1559 58 allowed allow VBD 39928 1559 59 the the DT 39928 1559 60 warm warm JJ 39928 1559 61 waters water NNS 39928 1559 62 of of IN 39928 1559 63 the the DT 39928 1559 64 tropical tropical JJ 39928 1559 65 oceans ocean NNS 39928 1559 66 to to TO 39928 1559 67 penetrate penetrate VB 39928 1559 68 into into IN 39928 1559 69 various various JJ 39928 1559 70 parts part NNS 39928 1559 71 of of IN 39928 1559 72 the the DT 39928 1559 73 continents continent NNS 39928 1559 74 ( ( -LRB- 39928 1559 75 which which WDT 39928 1559 76 were be VBD 39928 1559 77 then then RB 39928 1559 78 more more RBR 39928 1559 79 broken break VBN 39928 1559 80 up up RP 39928 1559 81 than than IN 39928 1559 82 they -PRON- PRP 39928 1559 83 are be VBP 39928 1559 84 now now RB 39928 1559 85 ) ) -RRB- 39928 1559 86 , , , 39928 1559 87 and and CC 39928 1559 88 also also RB 39928 1559 89 to to TO 39928 1559 90 extend extend VB 39928 1559 91 more more RBR 39928 1559 92 freely freely RB 39928 1559 93 into into IN 39928 1559 94 the the DT 39928 1559 95 Arctic Arctic NNP 39928 1559 96 regions region NNS 39928 1559 97 . . . 39928 1560 1 So so RB 39928 1560 2 soon soon RB 39928 1560 3 as as IN 39928 1560 4 we -PRON- PRP 39928 1560 5 go go VBP 39928 1560 6 back back RB 39928 1560 7 into into IN 39928 1560 8 the the DT 39928 1560 9 tertiary tertiary JJ 39928 1560 10 period period NN 39928 1560 11 , , , 39928 1560 12 we -PRON- PRP 39928 1560 13 find find VBP 39928 1560 14 indications indication NNS 39928 1560 15 of of IN 39928 1560 16 a a DT 39928 1560 17 warmer warm JJR 39928 1560 18 climate climate NN 39928 1560 19 in in IN 39928 1560 20 the the DT 39928 1560 21 north north NN 39928 1560 22 temperate temperate NN 39928 1560 23 zone zone NN 39928 1560 24 ; ; : 39928 1560 25 and and CC 39928 1560 26 when when WRB 39928 1560 27 we -PRON- PRP 39928 1560 28 reach reach VBP 39928 1560 29 the the DT 39928 1560 30 middle middle NN 39928 1560 31 of of IN 39928 1560 32 that that DT 39928 1560 33 period period NN 39928 1560 34 , , , 39928 1560 35 we -PRON- PRP 39928 1560 36 find find VBP 39928 1560 37 abundant abundant JJ 39928 1560 38 indications indication NNS 39928 1560 39 , , , 39928 1560 40 both both CC 39928 1560 41 in in IN 39928 1560 42 plant plant NN 39928 1560 43 and and CC 39928 1560 44 animal animal NN 39928 1560 45 remains remain VBZ 39928 1560 46 , , , 39928 1560 47 of of IN 39928 1560 48 mild mild JJ 39928 1560 49 climates climate NNS 39928 1560 50 near near IN 39928 1560 51 to to IN 39928 1560 52 the the DT 39928 1560 53 Arctic Arctic NNP 39928 1560 54 Circle Circle NNP 39928 1560 55 , , , 39928 1560 56 or or CC 39928 1560 57 actually actually RB 39928 1560 58 within within IN 39928 1560 59 it -PRON- PRP 39928 1560 60 . . . 39928 1561 1 On on IN 39928 1561 2 the the DT 39928 1561 3 west west JJ 39928 1561 4 coast coast NN 39928 1561 5 of of IN 39928 1561 6 Greenland Greenland NNP 39928 1561 7 , , , 39928 1561 8 in in IN 39928 1561 9 70 70 CD 39928 1561 10 ° ° NNS 39928 1561 11 N. N. NNP 39928 1562 1 lat lat NNP 39928 1562 2 . . NNP 39928 1562 3 , , , 39928 1562 4 there there EX 39928 1562 5 are be VBP 39928 1562 6 found find VBN 39928 1562 7 abundance abundance NN 39928 1562 8 of of IN 39928 1562 9 fossil fossil JJ 39928 1562 10 plants plant NNS 39928 1562 11 very very RB 39928 1562 12 beautifully beautifully RB 39928 1562 13 preserved preserve VBN 39928 1562 14 , , , 39928 1562 15 among among IN 39928 1562 16 which which WDT 39928 1562 17 are be VBP 39928 1562 18 many many JJ 39928 1562 19 different different JJ 39928 1562 20 species specie NNS 39928 1562 21 of of IN 39928 1562 22 oaks oak NNS 39928 1562 23 , , , 39928 1562 24 beeches beech NNS 39928 1562 25 , , , 39928 1562 26 poplars poplar NNS 39928 1562 27 , , , 39928 1562 28 plane plane NN 39928 1562 29 - - HYPH 39928 1562 30 trees tree NNS 39928 1562 31 , , , 39928 1562 32 vines vine NNS 39928 1562 33 , , , 39928 1562 34 walnuts walnut NNS 39928 1562 35 , , , 39928 1562 36 plums plum NNS 39928 1562 37 , , , 39928 1562 38 chestnuts chestnut NNS 39928 1562 39 , , , 39928 1562 40 sequoias sequoia NNS 39928 1562 41 , , , 39928 1562 42 and and CC 39928 1562 43 numerous numerous JJ 39928 1562 44 shrubs--137 shrubs--137 NNP 39928 1562 45 species specie NNS 39928 1562 46 in in IN 39928 1562 47 all all DT 39928 1562 48 , , , 39928 1562 49 indicating indicate VBG 39928 1562 50 a a DT 39928 1562 51 vegetation vegetation NN 39928 1562 52 such such JJ 39928 1562 53 as as IN 39928 1562 54 now now RB 39928 1562 55 grows grow VBZ 39928 1562 56 in in IN 39928 1562 57 the the DT 39928 1562 58 north north NN 39928 1562 59 temperate temperate NN 39928 1562 60 parts part NNS 39928 1562 61 of of IN 39928 1562 62 America America NNP 39928 1562 63 and and CC 39928 1562 64 Eastern Eastern NNP 39928 1562 65 Asia Asia NNP 39928 1562 66 . . . 39928 1563 1 And and CC 39928 1563 2 even even RB 39928 1563 3 further far RBR 39928 1563 4 north north RB 39928 1563 5 , , , 39928 1563 6 in in IN 39928 1563 7 Spitzbergen Spitzbergen NNP 39928 1563 8 , , , 39928 1563 9 in in IN 39928 1563 10 N. N. NNP 39928 1563 11 lat lat NN 39928 1563 12 . . . 39928 1564 1 78 78 CD 39928 1564 2 ° ° NNS 39928 1564 3 and and CC 39928 1564 4 79 79 CD 39928 1564 5 ° ° NNS 39928 1564 6 , , , 39928 1564 7 a a DT 39928 1564 8 somewhat somewhat RB 39928 1564 9 similar similar JJ 39928 1564 10 flora flora NNS 39928 1564 11 is be VBZ 39928 1564 12 found find VBN 39928 1564 13 , , , 39928 1564 14 not not RB 39928 1564 15 quite quite RB 39928 1564 16 so so RB 39928 1564 17 varied varied JJ 39928 1564 18 , , , 39928 1564 19 but but CC 39928 1564 20 with with IN 39928 1564 21 oaks oak NNS 39928 1564 22 , , , 39928 1564 23 poplars poplar NNS 39928 1564 24 , , , 39928 1564 25 birches birch NNS 39928 1564 26 , , , 39928 1564 27 planes plane NNS 39928 1564 28 , , , 39928 1564 29 limes lime NNS 39928 1564 30 , , , 39928 1564 31 hazels hazel NNS 39928 1564 32 , , , 39928 1564 33 pines pine NNS 39928 1564 34 , , , 39928 1564 35 and and CC 39928 1564 36 many many JJ 39928 1564 37 aquatic aquatic JJ 39928 1564 38 plants plant NNS 39928 1564 39 such such JJ 39928 1564 40 as as IN 39928 1564 41 may may MD 39928 1564 42 now now RB 39928 1564 43 be be VB 39928 1564 44 found find VBN 39928 1564 45 in in IN 39928 1564 46 West West NNP 39928 1564 47 Norway Norway NNP 39928 1564 48 and and CC 39928 1564 49 in in IN 39928 1564 50 Alaska Alaska NNP 39928 1564 51 , , , 39928 1564 52 nearly nearly RB 39928 1564 53 twenty twenty CD 39928 1564 54 degrees degree NNS 39928 1564 55 further further RB 39928 1564 56 south south RB 39928 1564 57 . . . 39928 1565 1 Still still RB 39928 1565 2 more more RBR 39928 1565 3 remote remote JJ 39928 1565 4 , , , 39928 1565 5 in in IN 39928 1565 6 the the DT 39928 1565 7 Cretaceous cretaceous JJ 39928 1565 8 period period NN 39928 1565 9 , , , 39928 1565 10 fossil fossil NN 39928 1565 11 plants plant NNS 39928 1565 12 have have VBP 39928 1565 13 been be VBN 39928 1565 14 found find VBN 39928 1565 15 in in IN 39928 1565 16 Greenland Greenland NNP 39928 1565 17 , , , 39928 1565 18 consisting consist VBG 39928 1565 19 of of IN 39928 1565 20 ferns fern NNS 39928 1565 21 , , , 39928 1565 22 cycads cycad NNS 39928 1565 23 , , , 39928 1565 24 conifers conifer NNS 39928 1565 25 , , , 39928 1565 26 and and CC 39928 1565 27 such such JJ 39928 1565 28 trees tree NNS 39928 1565 29 and and CC 39928 1565 30 shrubs shrub NNS 39928 1565 31 as as IN 39928 1565 32 poplars poplar NNS 39928 1565 33 , , , 39928 1565 34 sassafras sassafra NNS 39928 1565 35 , , , 39928 1565 36 andromedas andromedas NNP 39928 1565 37 , , , 39928 1565 38 magnolias magnolia NNS 39928 1565 39 , , , 39928 1565 40 myrtles myrtle NNS 39928 1565 41 , , , 39928 1565 42 and and CC 39928 1565 43 many many JJ 39928 1565 44 others other NNS 39928 1565 45 , , , 39928 1565 46 similar similar JJ 39928 1565 47 in in IN 39928 1565 48 character character NN 39928 1565 49 and and CC 39928 1565 50 often often RB 39928 1565 51 identical identical JJ 39928 1565 52 in in IN 39928 1565 53 species specie NNS 39928 1565 54 with with IN 39928 1565 55 fossils fossil NNS 39928 1565 56 of of IN 39928 1565 57 the the DT 39928 1565 58 same same JJ 39928 1565 59 period period NN 39928 1565 60 found find VBN 39928 1565 61 in in IN 39928 1565 62 Central Central NNP 39928 1565 63 Europe Europe NNP 39928 1565 64 and and CC 39928 1565 65 the the DT 39928 1565 66 United United NNP 39928 1565 67 States States NNP 39928 1565 68 , , , 39928 1565 69 indicating indicate VBG 39928 1565 70 a a DT 39928 1565 71 widespread widespread JJ 39928 1565 72 uniformity uniformity NN 39928 1565 73 of of IN 39928 1565 74 climate climate NN 39928 1565 75 , , , 39928 1565 76 such such JJ 39928 1565 77 as as IN 39928 1565 78 would would MD 39928 1565 79 be be VB 39928 1565 80 brought bring VBN 39928 1565 81 about about RP 39928 1565 82 by by IN 39928 1565 83 the the DT 39928 1565 84 great great JJ 39928 1565 85 ocean ocean NN 39928 1565 86 - - HYPH 39928 1565 87 currents current NNS 39928 1565 88 carrying carry VBG 39928 1565 89 the the DT 39928 1565 90 warm warm JJ 39928 1565 91 waters water NNS 39928 1565 92 of of IN 39928 1565 93 the the DT 39928 1565 94 tropics tropic NNS 39928 1565 95 into into IN 39928 1565 96 the the DT 39928 1565 97 Arctic Arctic NNP 39928 1565 98 seas sea NNS 39928 1565 99 . . . 39928 1566 1 Still still RB 39928 1566 2 further further RB 39928 1566 3 back back RB 39928 1566 4 , , , 39928 1566 5 in in IN 39928 1566 6 the the DT 39928 1566 7 Jurassic Jurassic NNP 39928 1566 8 period period NN 39928 1566 9 , , , 39928 1566 10 we -PRON- PRP 39928 1566 11 have have VBP 39928 1566 12 proofs proof NNS 39928 1566 13 of of IN 39928 1566 14 a a DT 39928 1566 15 mild mild JJ 39928 1566 16 climate climate NN 39928 1566 17 in in IN 39928 1566 18 East East NNP 39928 1566 19 Siberia Siberia NNP 39928 1566 20 and and CC 39928 1566 21 at at IN 39928 1566 22 Andö Andö NNP 39928 1566 23 in in IN 39928 1566 24 Norway Norway NNP 39928 1566 25 just just RB 39928 1566 26 within within IN 39928 1566 27 the the DT 39928 1566 28 Arctic Arctic NNP 39928 1566 29 Circle Circle NNP 39928 1566 30 , , , 39928 1566 31 in in IN 39928 1566 32 numerous numerous JJ 39928 1566 33 plant plant NN 39928 1566 34 remains remain VBZ 39928 1566 35 , , , 39928 1566 36 and and CC 39928 1566 37 also also RB 39928 1566 38 remains remain VBZ 39928 1566 39 of of IN 39928 1566 40 great great JJ 39928 1566 41 reptiles reptile NNS 39928 1566 42 allied ally VBN 39928 1566 43 to to IN 39928 1566 44 those those DT 39928 1566 45 found find VBN 39928 1566 46 in in IN 39928 1566 47 the the DT 39928 1566 48 same same JJ 39928 1566 49 strata strata NN 39928 1566 50 in in IN 39928 1566 51 all all DT 39928 1566 52 parts part NNS 39928 1566 53 of of IN 39928 1566 54 the the DT 39928 1566 55 world world NN 39928 1566 56 . . . 39928 1567 1 Similar similar JJ 39928 1567 2 phenomena phenomenon NNS 39928 1567 3 occur occur VBP 39928 1567 4 in in IN 39928 1567 5 the the DT 39928 1567 6 still still RB 39928 1567 7 earlier early JJR 39928 1567 8 Triassic Triassic NNP 39928 1567 9 period period NN 39928 1567 10 ; ; : 39928 1567 11 but but CC 39928 1567 12 we -PRON- PRP 39928 1567 13 will will MD 39928 1567 14 pass pass VB 39928 1567 15 on on RP 39928 1567 16 to to IN 39928 1567 17 the the DT 39928 1567 18 much much RB 39928 1567 19 more more RBR 39928 1567 20 remote remote JJ 39928 1567 21 Carboniferous carboniferous JJ 39928 1567 22 period period NN 39928 1567 23 , , , 39928 1567 24 during during IN 39928 1567 25 which which WDT 39928 1567 26 most most JJS 39928 1567 27 of of IN 39928 1567 28 the the DT 39928 1567 29 great great JJ 39928 1567 30 coal coal NN 39928 1567 31 - - HYPH 39928 1567 32 beds bed NNS 39928 1567 33 of of IN 39928 1567 34 the the DT 39928 1567 35 world world NN 39928 1567 36 were be VBD 39928 1567 37 formed form VBN 39928 1567 38 from from IN 39928 1567 39 a a DT 39928 1567 40 luxuriant luxuriant JJ 39928 1567 41 vegetation vegetation NN 39928 1567 42 , , , 39928 1567 43 consisting consist VBG 39928 1567 44 mostly mostly RB 39928 1567 45 of of IN 39928 1567 46 ferns fern NNS 39928 1567 47 , , , 39928 1567 48 giant giant JJ 39928 1567 49 horse horse NN 39928 1567 50 - - HYPH 39928 1567 51 tails tail NNS 39928 1567 52 , , , 39928 1567 53 and and CC 39928 1567 54 primitive primitive JJ 39928 1567 55 conifers conifer NNS 39928 1567 56 . . . 39928 1568 1 The the DT 39928 1568 2 luxuriance luxuriance NN 39928 1568 3 of of IN 39928 1568 4 these these DT 39928 1568 5 plants plant NNS 39928 1568 6 , , , 39928 1568 7 which which WDT 39928 1568 8 are be VBP 39928 1568 9 often often RB 39928 1568 10 found find VBN 39928 1568 11 beautifully beautifully RB 39928 1568 12 preserved preserve VBN 39928 1568 13 and and CC 39928 1568 14 in in IN 39928 1568 15 immense immense JJ 39928 1568 16 quantities quantity NNS 39928 1568 17 , , , 39928 1568 18 is be VBZ 39928 1568 19 supposed suppose VBN 39928 1568 20 to to TO 39928 1568 21 indicate indicate VB 39928 1568 22 an an DT 39928 1568 23 atmosphere atmosphere NN 39928 1568 24 in in IN 39928 1568 25 which which WDT 39928 1568 26 carbonic carbonic JJ 39928 1568 27 acid acid NN 39928 1568 28 gas gas NN 39928 1568 29 was be VBD 39928 1568 30 much much RB 39928 1568 31 more more RBR 39928 1568 32 abundant abundant JJ 39928 1568 33 than than IN 39928 1568 34 now now RB 39928 1568 35 ; ; : 39928 1568 36 and and CC 39928 1568 37 this this DT 39928 1568 38 is be VBZ 39928 1568 39 rendered render VBN 39928 1568 40 probable probable JJ 39928 1568 41 by by IN 39928 1568 42 the the DT 39928 1568 43 small small JJ 39928 1568 44 number number NN 39928 1568 45 and and CC 39928 1568 46 low low JJ 39928 1568 47 type type NN 39928 1568 48 of of IN 39928 1568 49 terrestrial terrestrial JJ 39928 1568 50 animals animal NNS 39928 1568 51 , , , 39928 1568 52 consisting consist VBG 39928 1568 53 of of IN 39928 1568 54 a a DT 39928 1568 55 few few JJ 39928 1568 56 insects insect NNS 39928 1568 57 and and CC 39928 1568 58 amphibia amphibia NNP 39928 1568 59 . . . 39928 1569 1 But but CC 39928 1569 2 the the DT 39928 1569 3 interesting interesting JJ 39928 1569 4 point point NN 39928 1569 5 is be VBZ 39928 1569 6 , , , 39928 1569 7 that that IN 39928 1569 8 true true JJ 39928 1569 9 coal coal NN 39928 1569 10 - - HYPH 39928 1569 11 beds bed NNS 39928 1569 12 , , , 39928 1569 13 with with IN 39928 1569 14 similar similar JJ 39928 1569 15 fossils fossil NNS 39928 1569 16 to to IN 39928 1569 17 those those DT 39928 1569 18 of of IN 39928 1569 19 our -PRON- PRP$ 39928 1569 20 own own JJ 39928 1569 21 coal coal NN 39928 1569 22 - - HYPH 39928 1569 23 measures measure NNS 39928 1569 24 , , , 39928 1569 25 are be VBP 39928 1569 26 found find VBN 39928 1569 27 at at IN 39928 1569 28 Spitzbergen Spitzbergen NNP 39928 1569 29 and and CC 39928 1569 30 at at IN 39928 1569 31 Bear Bear NNP 39928 1569 32 Island Island NNP 39928 1569 33 in in IN 39928 1569 34 East East NNP 39928 1569 35 Siberia Siberia NNP 39928 1569 36 , , , 39928 1569 37 both both CC 39928 1569 38 far far RB 39928 1569 39 within within IN 39928 1569 40 the the DT 39928 1569 41 Arctic Arctic NNP 39928 1569 42 Circle Circle NNP 39928 1569 43 , , , 39928 1569 44 again again RB 39928 1569 45 indicating indicate VBG 39928 1569 46 a a DT 39928 1569 47 great great JJ 39928 1569 48 uniformity uniformity NN 39928 1569 49 of of IN 39928 1569 50 climate climate NN 39928 1569 51 , , , 39928 1569 52 and and CC 39928 1569 53 probably probably RB 39928 1569 54 a a DT 39928 1569 55 denser denser NN 39928 1569 56 and and CC 39928 1569 57 more more RBR 39928 1569 58 vapour vapour JJ 39928 1569 59 - - HYPH 39928 1569 60 laden laden JJ 39928 1569 61 atmosphere atmosphere NN 39928 1569 62 , , , 39928 1569 63 which which WDT 39928 1569 64 would would MD 39928 1569 65 act act VB 39928 1569 66 as as IN 39928 1569 67 a a DT 39928 1569 68 blanket blanket NN 39928 1569 69 over over IN 39928 1569 70 the the DT 39928 1569 71 earth earth NN 39928 1569 72 and and CC 39928 1569 73 preserve preserve VB 39928 1569 74 the the DT 39928 1569 75 heat heat NN 39928 1569 76 brought bring VBN 39928 1569 77 to to IN 39928 1569 78 the the DT 39928 1569 79 Arctic Arctic NNP 39928 1569 80 seas sea NNS 39928 1569 81 by by IN 39928 1569 82 the the DT 39928 1569 83 ocean ocean NN 39928 1569 84 currents current NNS 39928 1569 85 from from IN 39928 1569 86 the the DT 39928 1569 87 warmer warm JJR 39928 1569 88 regions region NNS 39928 1569 89 . . . 39928 1570 1 The the DT 39928 1570 2 still still RB 39928 1570 3 earlier early JJR 39928 1570 4 Silurian silurian JJ 39928 1570 5 rocks rock NNS 39928 1570 6 are be VBP 39928 1570 7 also also RB 39928 1570 8 found find VBN 39928 1570 9 abundantly abundantly RB 39928 1570 10 in in IN 39928 1570 11 the the DT 39928 1570 12 Arctic Arctic NNP 39928 1570 13 regions region NNS 39928 1570 14 , , , 39928 1570 15 but but CC 39928 1570 16 their -PRON- PRP$ 39928 1570 17 fossils fossil NNS 39928 1570 18 are be VBP 39928 1570 19 entirely entirely RB 39928 1570 20 of of IN 39928 1570 21 marine marine JJ 39928 1570 22 animals animal NNS 39928 1570 23 . . . 39928 1571 1 Yet yet CC 39928 1571 2 they -PRON- PRP 39928 1571 3 show show VBP 39928 1571 4 the the DT 39928 1571 5 same same JJ 39928 1571 6 phenomena phenomena NN 39928 1571 7 as as IN 39928 1571 8 regards regard VBZ 39928 1571 9 climate climate NN 39928 1571 10 , , , 39928 1571 11 since since IN 39928 1571 12 the the DT 39928 1571 13 corals coral NNS 39928 1571 14 and and CC 39928 1571 15 cephalopodous cephalopodous JJ 39928 1571 16 mollusca mollusca NN 39928 1571 17 found find VBN 39928 1571 18 in in IN 39928 1571 19 the the DT 39928 1571 20 Arctic Arctic NNP 39928 1571 21 beds bed NNS 39928 1571 22 closely closely RB 39928 1571 23 resemble resemble VBP 39928 1571 24 those those DT 39928 1571 25 of of IN 39928 1571 26 all all DT 39928 1571 27 other other JJ 39928 1571 28 parts part NNS 39928 1571 29 of of IN 39928 1571 30 the the DT 39928 1571 31 earth earth NN 39928 1571 32 . . . 39928 1572 1 [ [ -LRB- 39928 1572 2 16 16 CD 39928 1572 3 ] ] -RRB- 39928 1572 4 Many many JJ 39928 1572 5 other other JJ 39928 1572 6 facts fact NNS 39928 1572 7 indicate indicate VBP 39928 1572 8 that that IN 39928 1572 9 throughout throughout IN 39928 1572 10 the the DT 39928 1572 11 enormous enormous JJ 39928 1572 12 periods period NNS 39928 1572 13 required require VBN 39928 1572 14 for for IN 39928 1572 15 the the DT 39928 1572 16 development development NN 39928 1572 17 of of IN 39928 1572 18 the the DT 39928 1572 19 varied varied JJ 39928 1572 20 forms form NNS 39928 1572 21 of of IN 39928 1572 22 life life NN 39928 1572 23 upon upon IN 39928 1572 24 the the DT 39928 1572 25 earth earth NN 39928 1572 26 , , , 39928 1572 27 the the DT 39928 1572 28 great great JJ 39928 1572 29 phenomena phenomenon NNS 39928 1572 30 of of IN 39928 1572 31 nature nature NN 39928 1572 32 were be VBD 39928 1572 33 but but CC 39928 1572 34 little little JJ 39928 1572 35 different different JJ 39928 1572 36 from from IN 39928 1572 37 those those DT 39928 1572 38 that that WDT 39928 1572 39 prevail prevail VBP 39928 1572 40 in in IN 39928 1572 41 our -PRON- PRP$ 39928 1572 42 own own JJ 39928 1572 43 times time NNS 39928 1572 44 . . . 39928 1573 1 The the DT 39928 1573 2 slow slow JJ 39928 1573 3 and and CC 39928 1573 4 gentle gentle JJ 39928 1573 5 processes process NNS 39928 1573 6 by by IN 39928 1573 7 which which WDT 39928 1573 8 the the DT 39928 1573 9 various various JJ 39928 1573 10 vegetable vegetable NN 39928 1573 11 and and CC 39928 1573 12 animal animal NN 39928 1573 13 remains remain NNS 39928 1573 14 were be VBD 39928 1573 15 preserved preserve VBN 39928 1573 16 are be VBP 39928 1573 17 shown show VBN 39928 1573 18 by by IN 39928 1573 19 the the DT 39928 1573 20 perfect perfect JJ 39928 1573 21 state state NN 39928 1573 22 in in IN 39928 1573 23 which which WDT 39928 1573 24 many many JJ 39928 1573 25 of of IN 39928 1573 26 the the DT 39928 1573 27 fossils fossil NNS 39928 1573 28 exist exist VBP 39928 1573 29 . . . 39928 1574 1 Often often RB 39928 1574 2 trunks trunk NNS 39928 1574 3 of of IN 39928 1574 4 trees tree NNS 39928 1574 5 , , , 39928 1574 6 cycads cycad NNS 39928 1574 7 , , , 39928 1574 8 and and CC 39928 1574 9 tree tree NN 39928 1574 10 - - HYPH 39928 1574 11 ferns fern NNS 39928 1574 12 are be VBP 39928 1574 13 found find VBN 39928 1574 14 standing stand VBG 39928 1574 15 erect erect NN 39928 1574 16 , , , 39928 1574 17 with with IN 39928 1574 18 their -PRON- PRP$ 39928 1574 19 roots root NNS 39928 1574 20 still still RB 39928 1574 21 imbedded imbed VBN 39928 1574 22 in in IN 39928 1574 23 the the DT 39928 1574 24 soil soil NN 39928 1574 25 they -PRON- PRP 39928 1574 26 grew grow VBD 39928 1574 27 in in RP 39928 1574 28 . . . 39928 1575 1 Large large JJ 39928 1575 2 leaves leave NNS 39928 1575 3 of of IN 39928 1575 4 poplars poplar NNS 39928 1575 5 , , , 39928 1575 6 maples maple NNS 39928 1575 7 , , , 39928 1575 8 oaks oak NNS 39928 1575 9 , , , 39928 1575 10 and and CC 39928 1575 11 other other JJ 39928 1575 12 trees tree NNS 39928 1575 13 are be VBP 39928 1575 14 often often RB 39928 1575 15 preserved preserve VBN 39928 1575 16 in in RP 39928 1575 17 as as IN 39928 1575 18 perfect perfect JJ 39928 1575 19 a a DT 39928 1575 20 state state NN 39928 1575 21 as as IN 39928 1575 22 if if IN 39928 1575 23 gathered gather VBN 39928 1575 24 by by IN 39928 1575 25 a a DT 39928 1575 26 botanist botanist NN 39928 1575 27 and and CC 39928 1575 28 dried dry VBN 39928 1575 29 between between IN 39928 1575 30 paper paper NN 39928 1575 31 for for IN 39928 1575 32 his -PRON- PRP$ 39928 1575 33 herbarium herbarium NN 39928 1575 34 , , , 39928 1575 35 and and CC 39928 1575 36 the the DT 39928 1575 37 same same JJ 39928 1575 38 is be VBZ 39928 1575 39 especially especially RB 39928 1575 40 the the DT 39928 1575 41 case case NN 39928 1575 42 with with IN 39928 1575 43 the the DT 39928 1575 44 beautiful beautiful JJ 39928 1575 45 ferns fern NNS 39928 1575 46 of of IN 39928 1575 47 the the DT 39928 1575 48 Permian permian JJ 39928 1575 49 and and CC 39928 1575 50 Carboniferous carboniferous JJ 39928 1575 51 periods period NNS 39928 1575 52 . . . 39928 1576 1 Throughout throughout IN 39928 1576 2 these these DT 39928 1576 3 and and CC 39928 1576 4 most most JJS 39928 1576 5 other other JJ 39928 1576 6 formations formation NNS 39928 1576 7 well well RB 39928 1576 8 - - HYPH 39928 1576 9 preserved preserve VBN 39928 1576 10 ripple ripple NN 39928 1576 11 - - HYPH 39928 1576 12 marks mark NNS 39928 1576 13 are be VBP 39928 1576 14 found find VBN 39928 1576 15 in in IN 39928 1576 16 the the DT 39928 1576 17 solidified solidify VBN 39928 1576 18 mud mud NN 39928 1576 19 or or CC 39928 1576 20 sand sand NN 39928 1576 21 of of IN 39928 1576 22 old old JJ 39928 1576 23 seashores seashore NNS 39928 1576 24 , , , 39928 1576 25 differing differ VBG 39928 1576 26 in in IN 39928 1576 27 no no DT 39928 1576 28 respect respect NN 39928 1576 29 from from IN 39928 1576 30 similar similar JJ 39928 1576 31 marks mark NNS 39928 1576 32 to to TO 39928 1576 33 be be VB 39928 1576 34 found find VBN 39928 1576 35 on on IN 39928 1576 36 almost almost RB 39928 1576 37 every every DT 39928 1576 38 coast coast NN 39928 1576 39 to to IN 39928 1576 40 - - HYPH 39928 1576 41 day day NN 39928 1576 42 . . . 39928 1577 1 Equally equally RB 39928 1577 2 interesting interesting JJ 39928 1577 3 are be VBP 39928 1577 4 the the DT 39928 1577 5 marks mark NNS 39928 1577 6 of of IN 39928 1577 7 rain rain NN 39928 1577 8 - - HYPH 39928 1577 9 drops drop NNS 39928 1577 10 preserved preserve VBN 39928 1577 11 in in IN 39928 1577 12 the the DT 39928 1577 13 rocks rock NNS 39928 1577 14 of of IN 39928 1577 15 almost almost RB 39928 1577 16 all all DT 39928 1577 17 ages age NNS 39928 1577 18 . . . 39928 1578 1 Sir Sir NNP 39928 1578 2 Charles Charles NNP 39928 1578 3 Lyell Lyell NNP 39928 1578 4 has have VBZ 39928 1578 5 given give VBN 39928 1578 6 illustrations illustration NNS 39928 1578 7 of of IN 39928 1578 8 recent recent JJ 39928 1578 9 impressions impression NNS 39928 1578 10 of of IN 39928 1578 11 rain rain NN 39928 1578 12 - - HYPH 39928 1578 13 drops drop NNS 39928 1578 14 on on IN 39928 1578 15 the the DT 39928 1578 16 extensive extensive JJ 39928 1578 17 mud mud NN 39928 1578 18 - - HYPH 39928 1578 19 flats flat NNS 39928 1578 20 of of IN 39928 1578 21 Nova Nova NNP 39928 1578 22 Scotia Scotia NNP 39928 1578 23 , , , 39928 1578 24 and and CC 39928 1578 25 also also RB 39928 1578 26 an an DT 39928 1578 27 illustration illustration NN 39928 1578 28 of of IN 39928 1578 29 rain rain NN 39928 1578 30 - - HYPH 39928 1578 31 drops drop NNS 39928 1578 32 on on IN 39928 1578 33 a a DT 39928 1578 34 slab slab NN 39928 1578 35 of of IN 39928 1578 36 shale shale NNP 39928 1578 37 from from IN 39928 1578 38 the the DT 39928 1578 39 carboniferous carboniferous JJ 39928 1578 40 formation formation NN 39928 1578 41 of of IN 39928 1578 42 the the DT 39928 1578 43 same same JJ 39928 1578 44 country country NN 39928 1578 45 ; ; : 39928 1578 46 and and CC 39928 1578 47 the the DT 39928 1578 48 two two CD 39928 1578 49 are be VBP 39928 1578 50 as as RB 39928 1578 51 much much JJ 39928 1578 52 alike alike RB 39928 1578 53 as as IN 39928 1578 54 the the DT 39928 1578 55 prints print NNS 39928 1578 56 of of IN 39928 1578 57 two two CD 39928 1578 58 different different JJ 39928 1578 59 showers shower NNS 39928 1578 60 a a DT 39928 1578 61 few few JJ 39928 1578 62 days day NNS 39928 1578 63 apart apart RB 39928 1578 64 . . . 39928 1579 1 The the DT 39928 1579 2 general general JJ 39928 1579 3 size size NN 39928 1579 4 and and CC 39928 1579 5 form form NN 39928 1579 6 of of IN 39928 1579 7 the the DT 39928 1579 8 drops drop NNS 39928 1579 9 are be VBP 39928 1579 10 almost almost RB 39928 1579 11 identical identical JJ 39928 1579 12 , , , 39928 1579 13 and and CC 39928 1579 14 imply imply VB 39928 1579 15 a a DT 39928 1579 16 great great JJ 39928 1579 17 similarity similarity NN 39928 1579 18 in in IN 39928 1579 19 the the DT 39928 1579 20 general general JJ 39928 1579 21 atmospheric atmospheric JJ 39928 1579 22 conditions condition NNS 39928 1579 23 . . . 39928 1580 1 We -PRON- PRP 39928 1580 2 must must MD 39928 1580 3 not not RB 39928 1580 4 forget forget VB 39928 1580 5 that that IN 39928 1580 6 this this DT 39928 1580 7 presence presence NN 39928 1580 8 of of IN 39928 1580 9 rain rain NN 39928 1580 10 throughout throughout IN 39928 1580 11 geological geological JJ 39928 1580 12 time time NN 39928 1580 13 implies imply VBZ 39928 1580 14 , , , 39928 1580 15 as as IN 39928 1580 16 we -PRON- PRP 39928 1580 17 have have VBP 39928 1580 18 seen see VBN 39928 1580 19 in in IN 39928 1580 20 our -PRON- PRP$ 39928 1580 21 last last JJ 39928 1580 22 chapter chapter NN 39928 1580 23 , , , 39928 1580 24 a a DT 39928 1580 25 constant constant JJ 39928 1580 26 and and CC 39928 1580 27 universal universal JJ 39928 1580 28 distribution distribution NN 39928 1580 29 of of IN 39928 1580 30 atmospheric atmospheric JJ 39928 1580 31 dust dust NN 39928 1580 32 . . . 39928 1581 1 The the DT 39928 1581 2 two two CD 39928 1581 3 chief chief JJ 39928 1581 4 sources source NNS 39928 1581 5 of of IN 39928 1581 6 this this DT 39928 1581 7 dust dust NN 39928 1581 8 -- -- : 39928 1581 9 the the DT 39928 1581 10 total total JJ 39928 1581 11 quantity quantity NN 39928 1581 12 of of IN 39928 1581 13 which which WDT 39928 1581 14 in in IN 39928 1581 15 the the DT 39928 1581 16 atmosphere atmosphere NN 39928 1581 17 must must MD 39928 1581 18 be be VB 39928 1581 19 enormous enormous JJ 39928 1581 20 -- -- : 39928 1581 21 are be VBP 39928 1581 22 volcanoes volcano NNS 39928 1581 23 and and CC 39928 1581 24 deserts desert NNS 39928 1581 25 , , , 39928 1581 26 and and CC 39928 1581 27 we -PRON- PRP 39928 1581 28 are be VBP 39928 1581 29 therefore therefore RB 39928 1581 30 sure sure JJ 39928 1581 31 that that IN 39928 1581 32 these these DT 39928 1581 33 two two CD 39928 1581 34 great great JJ 39928 1581 35 natural natural JJ 39928 1581 36 phenomena phenomenon NNS 39928 1581 37 have have VBP 39928 1581 38 always always RB 39928 1581 39 been be VBN 39928 1581 40 present present JJ 39928 1581 41 . . . 39928 1582 1 Of of IN 39928 1582 2 volcanoes volcano NNS 39928 1582 3 we -PRON- PRP 39928 1582 4 have have VBP 39928 1582 5 ample ample JJ 39928 1582 6 independent independent JJ 39928 1582 7 evidence evidence NN 39928 1582 8 in in IN 39928 1582 9 the the DT 39928 1582 10 presence presence NN 39928 1582 11 of of IN 39928 1582 12 lavas lavas NNP 39928 1582 13 and and CC 39928 1582 14 volcanic volcanic JJ 39928 1582 15 ashes ashe NNS 39928 1582 16 , , , 39928 1582 17 as as RB 39928 1582 18 well well RB 39928 1582 19 as as IN 39928 1582 20 actual actual JJ 39928 1582 21 stumps stump NNS 39928 1582 22 or or CC 39928 1582 23 cores core NNS 39928 1582 24 of of IN 39928 1582 25 old old JJ 39928 1582 26 volcanoes volcano NNS 39928 1582 27 , , , 39928 1582 28 through through IN 39928 1582 29 all all DT 39928 1582 30 geological geological JJ 39928 1582 31 formations formation NNS 39928 1582 32 ; ; : 39928 1582 33 and and CC 39928 1582 34 we -PRON- PRP 39928 1582 35 can can MD 39928 1582 36 have have VB 39928 1582 37 little little JJ 39928 1582 38 doubt doubt NN 39928 1582 39 that that IN 39928 1582 40 deserts desert NNS 39928 1582 41 also also RB 39928 1582 42 were be VBD 39928 1582 43 present present JJ 39928 1582 44 , , , 39928 1582 45 though though IN 39928 1582 46 perhaps perhaps RB 39928 1582 47 not not RB 39928 1582 48 always always RB 39928 1582 49 so so RB 39928 1582 50 extensive extensive JJ 39928 1582 51 as as IN 39928 1582 52 they -PRON- PRP 39928 1582 53 are be VBP 39928 1582 54 now now RB 39928 1582 55 . . . 39928 1583 1 It -PRON- PRP 39928 1583 2 is be VBZ 39928 1583 3 a a DT 39928 1583 4 very very RB 39928 1583 5 suggestive suggestive JJ 39928 1583 6 fact fact NN 39928 1583 7 that that IN 39928 1583 8 these these DT 39928 1583 9 two two CD 39928 1583 10 phenomena phenomenon NNS 39928 1583 11 , , , 39928 1583 12 usually usually RB 39928 1583 13 held hold VBN 39928 1583 14 to to TO 39928 1583 15 be be VB 39928 1583 16 blots blot NNS 39928 1583 17 on on IN 39928 1583 18 the the DT 39928 1583 19 fair fair JJ 39928 1583 20 face face NN 39928 1583 21 of of IN 39928 1583 22 nature nature NN 39928 1583 23 , , , 39928 1583 24 and and CC 39928 1583 25 even even RB 39928 1583 26 to to TO 39928 1583 27 be be VB 39928 1583 28 opposed oppose VBN 39928 1583 29 to to TO 39928 1583 30 belief belief VB 39928 1583 31 in in IN 39928 1583 32 a a DT 39928 1583 33 beneficent beneficent JJ 39928 1583 34 Creator creator NN 39928 1583 35 , , , 39928 1583 36 should should MD 39928 1583 37 now now RB 39928 1583 38 be be VB 39928 1583 39 proved prove VBN 39928 1583 40 to to TO 39928 1583 41 be be VB 39928 1583 42 really really RB 39928 1583 43 essential essential JJ 39928 1583 44 to to IN 39928 1583 45 the the DT 39928 1583 46 earth earth NN 39928 1583 47 's 's POS 39928 1583 48 habitability habitability NN 39928 1583 49 . . . 39928 1584 1 Notwithstanding notwithstanding IN 39928 1584 2 this this DT 39928 1584 3 prevalence prevalence NN 39928 1584 4 of of IN 39928 1584 5 warm warm JJ 39928 1584 6 and and CC 39928 1584 7 uniform uniform JJ 39928 1584 8 conditions condition NNS 39928 1584 9 , , , 39928 1584 10 there there EX 39928 1584 11 is be VBZ 39928 1584 12 also also RB 39928 1584 13 evidence evidence NN 39928 1584 14 of of IN 39928 1584 15 considerable considerable JJ 39928 1584 16 changes change NNS 39928 1584 17 of of IN 39928 1584 18 climate climate NN 39928 1584 19 ; ; : 39928 1584 20 and and CC 39928 1584 21 at at IN 39928 1584 22 two two CD 39928 1584 23 periods period NNS 39928 1584 24 -- -- : 39928 1584 25 in in IN 39928 1584 26 the the DT 39928 1584 27 Eocene Eocene NNP 39928 1584 28 and and CC 39928 1584 29 in in IN 39928 1584 30 the the DT 39928 1584 31 remote remote JJ 39928 1584 32 Permian Permian NNP 39928 1584 33 -- -- : 39928 1584 34 there there EX 39928 1584 35 are be VBP 39928 1584 36 even even RB 39928 1584 37 indications indication NNS 39928 1584 38 of of IN 39928 1584 39 ice ice NN 39928 1584 40 - - HYPH 39928 1584 41 action action NN 39928 1584 42 , , , 39928 1584 43 so so IN 39928 1584 44 that that IN 39928 1584 45 some some DT 39928 1584 46 geologists geologist NNS 39928 1584 47 believe believe VBP 39928 1584 48 that that IN 39928 1584 49 there there EX 39928 1584 50 were be VBD 39928 1584 51 then then RB 39928 1584 52 actual actual JJ 39928 1584 53 glacial glacial JJ 39928 1584 54 epochs epoch NNS 39928 1584 55 . . . 39928 1585 1 But but CC 39928 1585 2 it -PRON- PRP 39928 1585 3 seems seem VBZ 39928 1585 4 more more RBR 39928 1585 5 probable probable JJ 39928 1585 6 that that IN 39928 1585 7 they -PRON- PRP 39928 1585 8 imply imply VBP 39928 1585 9 only only RB 39928 1585 10 local local JJ 39928 1585 11 glaciation glaciation NN 39928 1585 12 , , , 39928 1585 13 owing owe VBG 39928 1585 14 to to IN 39928 1585 15 there there RB 39928 1585 16 having have VBG 39928 1585 17 been be VBN 39928 1585 18 high high JJ 39928 1585 19 land land NN 39928 1585 20 and and CC 39928 1585 21 other other JJ 39928 1585 22 suitable suitable JJ 39928 1585 23 conditions condition NNS 39928 1585 24 for for IN 39928 1585 25 the the DT 39928 1585 26 production production NN 39928 1585 27 of of IN 39928 1585 28 glaciers glacier NNS 39928 1585 29 in in IN 39928 1585 30 certain certain JJ 39928 1585 31 areas area NNS 39928 1585 32 . . . 39928 1586 1 The the DT 39928 1586 2 whole whole JJ 39928 1586 3 bearing bearing NN 39928 1586 4 of of IN 39928 1586 5 the the DT 39928 1586 6 geological geological JJ 39928 1586 7 evidence evidence NN 39928 1586 8 indicates indicate VBZ 39928 1586 9 the the DT 39928 1586 10 wonderful wonderful JJ 39928 1586 11 continuity continuity NN 39928 1586 12 of of IN 39928 1586 13 conditions condition NNS 39928 1586 14 favourable favourable JJ 39928 1586 15 for for IN 39928 1586 16 life life NN 39928 1586 17 , , , 39928 1586 18 and and CC 39928 1586 19 for for IN 39928 1586 20 the the DT 39928 1586 21 most most JJS 39928 1586 22 part part NN 39928 1586 23 of of IN 39928 1586 24 climatal climatal JJ 39928 1586 25 conditions condition NNS 39928 1586 26 more more RBR 39928 1586 27 favourable favourable JJ 39928 1586 28 than than IN 39928 1586 29 those those DT 39928 1586 30 now now RB 39928 1586 31 prevailing prevail VBG 39928 1586 32 , , , 39928 1586 33 since since IN 39928 1586 34 a a DT 39928 1586 35 larger large JJR 39928 1586 36 extent extent NN 39928 1586 37 of of IN 39928 1586 38 land land NN 39928 1586 39 towards towards IN 39928 1586 40 the the DT 39928 1586 41 North North NNP 39928 1586 42 Pole Pole NNP 39928 1586 43 was be VBD 39928 1586 44 available available JJ 39928 1586 45 for for IN 39928 1586 46 an an DT 39928 1586 47 abundant abundant JJ 39928 1586 48 vegetation vegetation NN 39928 1586 49 , , , 39928 1586 50 and and CC 39928 1586 51 in in IN 39928 1586 52 all all DT 39928 1586 53 probability probability NN 39928 1586 54 for for IN 39928 1586 55 an an DT 39928 1586 56 equally equally RB 39928 1586 57 abundant abundant JJ 39928 1586 58 animal animal NN 39928 1586 59 life life NN 39928 1586 60 . . . 39928 1587 1 We -PRON- PRP 39928 1587 2 know know VBP 39928 1587 3 , , , 39928 1587 4 too too RB 39928 1587 5 , , , 39928 1587 6 that that IN 39928 1587 7 there there EX 39928 1587 8 was be VBD 39928 1587 9 never never RB 39928 1587 10 any any DT 39928 1587 11 total total JJ 39928 1587 12 break break NN 39928 1587 13 in in IN 39928 1587 14 life life NN 39928 1587 15 - - HYPH 39928 1587 16 development development NN 39928 1587 17 ; ; : 39928 1587 18 no no DT 39928 1587 19 epoch epoch NN 39928 1587 20 of of IN 39928 1587 21 such such JJ 39928 1587 22 lowering lower VBG 39928 1587 23 or or CC 39928 1587 24 raising raising NN 39928 1587 25 of of IN 39928 1587 26 temperature temperature NN 39928 1587 27 as as IN 39928 1587 28 to to TO 39928 1587 29 destroy destroy VB 39928 1587 30 all all DT 39928 1587 31 life life NN 39928 1587 32 ; ; : 39928 1587 33 no no DT 39928 1587 34 such such JJ 39928 1587 35 general general JJ 39928 1587 36 subsidence subsidence NN 39928 1587 37 as as IN 39928 1587 38 to to TO 39928 1587 39 submerge submerge VB 39928 1587 40 the the DT 39928 1587 41 whole whole JJ 39928 1587 42 land land NN 39928 1587 43 - - HYPH 39928 1587 44 surface surface NN 39928 1587 45 . . . 39928 1588 1 Although although IN 39928 1588 2 the the DT 39928 1588 3 geological geological JJ 39928 1588 4 record record NN 39928 1588 5 is be VBZ 39928 1588 6 in in IN 39928 1588 7 parts part NNS 39928 1588 8 very very RB 39928 1588 9 imperfect imperfect JJ 39928 1588 10 , , , 39928 1588 11 yet yet CC 39928 1588 12 it -PRON- PRP 39928 1588 13 is be VBZ 39928 1588 14 , , , 39928 1588 15 on on IN 39928 1588 16 the the DT 39928 1588 17 whole whole NN 39928 1588 18 , , , 39928 1588 19 wonderfully wonderfully RB 39928 1588 20 complete complete JJ 39928 1588 21 ; ; : 39928 1588 22 and and CC 39928 1588 23 it -PRON- PRP 39928 1588 24 presents present VBZ 39928 1588 25 to to IN 39928 1588 26 our -PRON- PRP$ 39928 1588 27 view view NN 39928 1588 28 a a DT 39928 1588 29 continuous continuous JJ 39928 1588 30 progress progress NN 39928 1588 31 , , , 39928 1588 32 from from IN 39928 1588 33 simple simple JJ 39928 1588 34 to to IN 39928 1588 35 complex complex JJ 39928 1588 36 , , , 39928 1588 37 from from IN 39928 1588 38 lower low JJR 39928 1588 39 to to IN 39928 1588 40 higher high JJR 39928 1588 41 . . . 39928 1589 1 Type type NN 39928 1589 2 after after IN 39928 1589 3 type type NN 39928 1589 4 becomes become VBZ 39928 1589 5 highly highly RB 39928 1589 6 specialised specialised JJ 39928 1589 7 in in IN 39928 1589 8 adaptation adaptation NN 39928 1589 9 to to IN 39928 1589 10 local local JJ 39928 1589 11 or or CC 39928 1589 12 climatal climatal JJ 39928 1589 13 conditions condition NNS 39928 1589 14 , , , 39928 1589 15 and and CC 39928 1589 16 then then RB 39928 1589 17 dies die VBZ 39928 1589 18 out out RP 39928 1589 19 , , , 39928 1589 20 giving give VBG 39928 1589 21 room room NN 39928 1589 22 for for IN 39928 1589 23 some some DT 39928 1589 24 other other JJ 39928 1589 25 type type NN 39928 1589 26 to to TO 39928 1589 27 arise arise VB 39928 1589 28 and and CC 39928 1589 29 be be VB 39928 1589 30 specialised specialise VBN 39928 1589 31 in in IN 39928 1589 32 harmony harmony NN 39928 1589 33 with with IN 39928 1589 34 the the DT 39928 1589 35 changed change VBN 39928 1589 36 conditions condition NNS 39928 1589 37 . . . 39928 1590 1 The the DT 39928 1590 2 general general JJ 39928 1590 3 character character NN 39928 1590 4 of of IN 39928 1590 5 the the DT 39928 1590 6 inorganic inorganic JJ 39928 1590 7 change change NN 39928 1590 8 appears appear VBZ 39928 1590 9 to to TO 39928 1590 10 have have VB 39928 1590 11 been be VBN 39928 1590 12 from from IN 39928 1590 13 more more RBR 39928 1590 14 insular insular JJ 39928 1590 15 to to IN 39928 1590 16 more more JJR 39928 1590 17 continental continental JJ 39928 1590 18 conditions condition NNS 39928 1590 19 , , , 39928 1590 20 accompanied accompany VBN 39928 1590 21 by by IN 39928 1590 22 a a DT 39928 1590 23 change change NN 39928 1590 24 from from IN 39928 1590 25 more more JJR 39928 1590 26 uniform uniform JJ 39928 1590 27 to to IN 39928 1590 28 less less JJR 39928 1590 29 uniform uniform JJ 39928 1590 30 climates climate NNS 39928 1590 31 , , , 39928 1590 32 from from IN 39928 1590 33 an an DT 39928 1590 34 almost almost RB 39928 1590 35 sub sub JJ 39928 1590 36 - - JJ 39928 1590 37 tropical tropical JJ 39928 1590 38 warmth warmth NN 39928 1590 39 and and CC 39928 1590 40 moisture moisture NN 39928 1590 41 , , , 39928 1590 42 extending extend VBG 39928 1590 43 up up IN 39928 1590 44 to to IN 39928 1590 45 the the DT 39928 1590 46 Arctic Arctic NNP 39928 1590 47 Circle Circle NNP 39928 1590 48 , , , 39928 1590 49 to to IN 39928 1590 50 that that DT 39928 1590 51 diversity diversity NN 39928 1590 52 of of IN 39928 1590 53 tropical tropical JJ 39928 1590 54 , , , 39928 1590 55 temperate temperate VB 39928 1590 56 , , , 39928 1590 57 and and CC 39928 1590 58 cold cold JJ 39928 1590 59 areas area NNS 39928 1590 60 , , , 39928 1590 61 capable capable JJ 39928 1590 62 of of IN 39928 1590 63 supporting support VBG 39928 1590 64 the the DT 39928 1590 65 greatest great JJS 39928 1590 66 possible possible JJ 39928 1590 67 variety variety NN 39928 1590 68 in in IN 39928 1590 69 the the DT 39928 1590 70 forms form NNS 39928 1590 71 of of IN 39928 1590 72 life life NN 39928 1590 73 , , , 39928 1590 74 and and CC 39928 1590 75 which which WDT 39928 1590 76 seems seem VBZ 39928 1590 77 especially especially RB 39928 1590 78 adapted adapt VBN 39928 1590 79 to to TO 39928 1590 80 stimulate stimulate VB 39928 1590 81 mankind mankind NN 39928 1590 82 to to IN 39928 1590 83 civilisation civilisation NN 39928 1590 84 and and CC 39928 1590 85 social social JJ 39928 1590 86 development development NN 39928 1590 87 by by IN 39928 1590 88 means mean NNS 39928 1590 89 of of IN 39928 1590 90 the the DT 39928 1590 91 necessary necessary JJ 39928 1590 92 struggle struggle NN 39928 1590 93 against against IN 39928 1590 94 , , , 39928 1590 95 and and CC 39928 1590 96 utilisation utilisation NN 39928 1590 97 of of IN 39928 1590 98 , , , 39928 1590 99 the the DT 39928 1590 100 various various JJ 39928 1590 101 forces force NNS 39928 1590 102 of of IN 39928 1590 103 nature nature NN 39928 1590 104 . . . 39928 1591 1 WATER water NN 39928 1591 2 , , , 39928 1591 3 ITS its PRP$ 39928 1591 4 AMOUNT amount NN 39928 1591 5 AND and CC 39928 1591 6 DISTRIBUTION distribution NN 39928 1591 7 ON on IN 39928 1591 8 THE the DT 39928 1591 9 EARTH earth NN 39928 1591 10 Although although IN 39928 1591 11 it -PRON- PRP 39928 1591 12 is be VBZ 39928 1591 13 generally generally RB 39928 1591 14 known know VBN 39928 1591 15 that that IN 39928 1591 16 the the DT 39928 1591 17 oceans ocean NNS 39928 1591 18 occupy occupy VBP 39928 1591 19 more more JJR 39928 1591 20 than than IN 39928 1591 21 two two CD 39928 1591 22 - - HYPH 39928 1591 23 thirds third NNS 39928 1591 24 of of IN 39928 1591 25 the the DT 39928 1591 26 whole whole JJ 39928 1591 27 surface surface NN 39928 1591 28 of of IN 39928 1591 29 the the DT 39928 1591 30 globe globe NN 39928 1591 31 , , , 39928 1591 32 the the DT 39928 1591 33 enormous enormous JJ 39928 1591 34 bulk bulk NN 39928 1591 35 of of IN 39928 1591 36 the the DT 39928 1591 37 water water NN 39928 1591 38 in in IN 39928 1591 39 proportion proportion NN 39928 1591 40 to to IN 39928 1591 41 the the DT 39928 1591 42 land land NN 39928 1591 43 that that WDT 39928 1591 44 rises rise VBZ 39928 1591 45 above above IN 39928 1591 46 its -PRON- PRP$ 39928 1591 47 surface surface NN 39928 1591 48 is be VBZ 39928 1591 49 hardly hardly RB 39928 1591 50 ever ever RB 39928 1591 51 appreciated appreciate VBN 39928 1591 52 . . . 39928 1592 1 But but CC 39928 1592 2 as as IN 39928 1592 3 this this DT 39928 1592 4 is be VBZ 39928 1592 5 a a DT 39928 1592 6 matter matter NN 39928 1592 7 of of IN 39928 1592 8 the the DT 39928 1592 9 greatest great JJS 39928 1592 10 importance importance NN 39928 1592 11 , , , 39928 1592 12 both both CC 39928 1592 13 as as IN 39928 1592 14 regards regard VBZ 39928 1592 15 the the DT 39928 1592 16 geological geological JJ 39928 1592 17 history history NN 39928 1592 18 of of IN 39928 1592 19 the the DT 39928 1592 20 globe globe NN 39928 1592 21 and and CC 39928 1592 22 the the DT 39928 1592 23 special special JJ 39928 1592 24 subject subject NN 39928 1592 25 we -PRON- PRP 39928 1592 26 are be VBP 39928 1592 27 here here RB 39928 1592 28 discussing discuss VBG 39928 1592 29 , , , 39928 1592 30 it -PRON- PRP 39928 1592 31 will will MD 39928 1592 32 be be VB 39928 1592 33 necessary necessary JJ 39928 1592 34 to to TO 39928 1592 35 enter enter VB 39928 1592 36 into into IN 39928 1592 37 some some DT 39928 1592 38 details detail NNS 39928 1592 39 in in IN 39928 1592 40 regard regard NN 39928 1592 41 to to IN 39928 1592 42 it -PRON- PRP 39928 1592 43 . . . 39928 1593 1 According accord VBG 39928 1593 2 to to IN 39928 1593 3 the the DT 39928 1593 4 best good JJS 39928 1593 5 recent recent JJ 39928 1593 6 estimates estimate NNS 39928 1593 7 , , , 39928 1593 8 the the DT 39928 1593 9 land land NN 39928 1593 10 area area NN 39928 1593 11 of of IN 39928 1593 12 the the DT 39928 1593 13 globe globe NN 39928 1593 14 is be VBZ 39928 1593 15 0.28 0.28 CD 39928 1593 16 of of IN 39928 1593 17 the the DT 39928 1593 18 whole whole JJ 39928 1593 19 surface surface NN 39928 1593 20 , , , 39928 1593 21 and and CC 39928 1593 22 the the DT 39928 1593 23 water water NN 39928 1593 24 area area NN 39928 1593 25 0.72 0.72 CD 39928 1593 26 . . . 39928 1594 1 But but CC 39928 1594 2 the the DT 39928 1594 3 mean mean JJ 39928 1594 4 height height NN 39928 1594 5 of of IN 39928 1594 6 the the DT 39928 1594 7 land land NN 39928 1594 8 above above IN 39928 1594 9 the the DT 39928 1594 10 sea sea NN 39928 1594 11 - - HYPH 39928 1594 12 level level NN 39928 1594 13 is be VBZ 39928 1594 14 found find VBN 39928 1594 15 to to TO 39928 1594 16 be be VB 39928 1594 17 2250 2250 CD 39928 1594 18 feet foot NNS 39928 1594 19 , , , 39928 1594 20 while while IN 39928 1594 21 the the DT 39928 1594 22 mean mean JJ 39928 1594 23 depth depth NN 39928 1594 24 of of IN 39928 1594 25 the the DT 39928 1594 26 seas sea NNS 39928 1594 27 and and CC 39928 1594 28 oceans ocean NNS 39928 1594 29 is be VBZ 39928 1594 30 13,860 13,860 CD 39928 1594 31 feet foot NNS 39928 1594 32 ; ; : 39928 1594 33 so so IN 39928 1594 34 that that IN 39928 1594 35 though though IN 39928 1594 36 the the DT 39928 1594 37 water water NN 39928 1594 38 area area NN 39928 1594 39 is be VBZ 39928 1594 40 two two CD 39928 1594 41 and and CC 39928 1594 42 a a DT 39928 1594 43 half half NN 39928 1594 44 times time NNS 39928 1594 45 that that DT 39928 1594 46 of of IN 39928 1594 47 the the DT 39928 1594 48 land land NN 39928 1594 49 , , , 39928 1594 50 the the DT 39928 1594 51 mean mean JJ 39928 1594 52 depth depth NN 39928 1594 53 of of IN 39928 1594 54 the the DT 39928 1594 55 water water NN 39928 1594 56 is be VBZ 39928 1594 57 more more JJR 39928 1594 58 than than IN 39928 1594 59 six six CD 39928 1594 60 times time NNS 39928 1594 61 the the DT 39928 1594 62 mean mean JJ 39928 1594 63 height height NN 39928 1594 64 of of IN 39928 1594 65 the the DT 39928 1594 66 land land NN 39928 1594 67 . . . 39928 1595 1 This this DT 39928 1595 2 is be VBZ 39928 1595 3 , , , 39928 1595 4 of of IN 39928 1595 5 course course NN 39928 1595 6 , , , 39928 1595 7 due due IN 39928 1595 8 to to IN 39928 1595 9 the the DT 39928 1595 10 fact fact NN 39928 1595 11 that that IN 39928 1595 12 lowlands lowland NNS 39928 1595 13 occupy occupy VBP 39928 1595 14 most most JJS 39928 1595 15 of of IN 39928 1595 16 the the DT 39928 1595 17 land land NN 39928 1595 18 - - HYPH 39928 1595 19 area area NN 39928 1595 20 , , , 39928 1595 21 the the DT 39928 1595 22 plateaus plateaus NN 39928 1595 23 and and CC 39928 1595 24 high high JJ 39928 1595 25 mountains mountain NNS 39928 1595 26 a a DT 39928 1595 27 comparatively comparatively RB 39928 1595 28 small small JJ 39928 1595 29 portion portion NN 39928 1595 30 of of IN 39928 1595 31 it -PRON- PRP 39928 1595 32 ; ; : 39928 1595 33 while while IN 39928 1595 34 , , , 39928 1595 35 though though IN 39928 1595 36 the the DT 39928 1595 37 greatest great JJS 39928 1595 38 depths depth NNS 39928 1595 39 of of IN 39928 1595 40 the the DT 39928 1595 41 oceans ocean NNS 39928 1595 42 about about IN 39928 1595 43 equal equal JJ 39928 1595 44 the the DT 39928 1595 45 greatest great JJS 39928 1595 46 heights height NNS 39928 1595 47 of of IN 39928 1595 48 the the DT 39928 1595 49 mountains mountain NNS 39928 1595 50 , , , 39928 1595 51 yet yet RB 39928 1595 52 over over IN 39928 1595 53 enormous enormous JJ 39928 1595 54 areas area NNS 39928 1595 55 the the DT 39928 1595 56 oceans ocean NNS 39928 1595 57 are be VBP 39928 1595 58 deep deep JJ 39928 1595 59 enough enough RB 39928 1595 60 to to TO 39928 1595 61 submerge submerge VB 39928 1595 62 all all PDT 39928 1595 63 the the DT 39928 1595 64 mountains mountain NNS 39928 1595 65 of of IN 39928 1595 66 Europe Europe NNP 39928 1595 67 and and CC 39928 1595 68 temperate temperate VB 39928 1595 69 North North NNP 39928 1595 70 America America NNP 39928 1595 71 , , , 39928 1595 72 except except IN 39928 1595 73 the the DT 39928 1595 74 extreme extreme JJ 39928 1595 75 summits summit NNS 39928 1595 76 of of IN 39928 1595 77 one one CD 39928 1595 78 or or CC 39928 1595 79 two two CD 39928 1595 80 of of IN 39928 1595 81 them -PRON- PRP 39928 1595 82 . . . 39928 1596 1 Hence hence RB 39928 1596 2 it -PRON- PRP 39928 1596 3 follows follow VBZ 39928 1596 4 that that IN 39928 1596 5 the the DT 39928 1596 6 bulk bulk NN 39928 1596 7 of of IN 39928 1596 8 the the DT 39928 1596 9 oceans ocean NNS 39928 1596 10 , , , 39928 1596 11 even even RB 39928 1596 12 omitting omit VBG 39928 1596 13 all all PDT 39928 1596 14 the the DT 39928 1596 15 shallow shallow JJ 39928 1596 16 seas sea NNS 39928 1596 17 , , , 39928 1596 18 is be VBZ 39928 1596 19 more more JJR 39928 1596 20 than than IN 39928 1596 21 thirteen thirteen CD 39928 1596 22 times time NNS 39928 1596 23 that that DT 39928 1596 24 of of IN 39928 1596 25 the the DT 39928 1596 26 land land NN 39928 1596 27 above above IN 39928 1596 28 sea sea NN 39928 1596 29 - - HYPH 39928 1596 30 level level NN 39928 1596 31 ; ; : 39928 1596 32 and and CC 39928 1596 33 if if IN 39928 1596 34 all all PDT 39928 1596 35 the the DT 39928 1596 36 land land NN 39928 1596 37 - - HYPH 39928 1596 38 surface surface NN 39928 1596 39 and and CC 39928 1596 40 ocean ocean NN 39928 1596 41 - - HYPH 39928 1596 42 floors floor NNS 39928 1596 43 were be VBD 39928 1596 44 reduced reduce VBN 39928 1596 45 to to IN 39928 1596 46 one one CD 39928 1596 47 level level NN 39928 1596 48 , , , 39928 1596 49 that that RB 39928 1596 50 is is RB 39928 1596 51 , , , 39928 1596 52 if if IN 39928 1596 53 the the DT 39928 1596 54 solid solid JJ 39928 1596 55 mass mass NN 39928 1596 56 of of IN 39928 1596 57 the the DT 39928 1596 58 globe globe NN 39928 1596 59 were be VBD 39928 1596 60 a a DT 39928 1596 61 true true JJ 39928 1596 62 oblate oblate NN 39928 1596 63 spheroid spheroid NN 39928 1596 64 , , , 39928 1596 65 the the DT 39928 1596 66 whole whole NN 39928 1596 67 would would MD 39928 1596 68 be be VB 39928 1596 69 covered cover VBN 39928 1596 70 with with IN 39928 1596 71 water water NN 39928 1596 72 about about RB 39928 1596 73 two two CD 39928 1596 74 miles mile NNS 39928 1596 75 deep deep JJ 39928 1596 76 . . . 39928 1597 1 The the DT 39928 1597 2 diagram diagram NN 39928 1597 3 here here RB 39928 1597 4 given give VBN 39928 1597 5 will will MD 39928 1597 6 render render VB 39928 1597 7 this this DT 39928 1597 8 more more RBR 39928 1597 9 intelligible intelligible JJ 39928 1597 10 and and CC 39928 1597 11 will will MD 39928 1597 12 serve serve VB 39928 1597 13 to to TO 39928 1597 14 illustrate illustrate VB 39928 1597 15 what what WP 39928 1597 16 follows follow VBZ 39928 1597 17 . . . 39928 1598 1 [ [ -LRB- 39928 1598 2 Illustration illustration NN 39928 1598 3 : : : 39928 1598 4 _ _ NNP 39928 1598 5 Diagram Diagram NNP 39928 1598 6 of of IN 39928 1598 7 proportionate proportionate NN 39928 1598 8 mean mean VBP 39928 1598 9 height height NN 39928 1598 10 of of IN 39928 1598 11 Land Land NNP 39928 1598 12 and and CC 39928 1598 13 depth depth NN 39928 1598 14 of of IN 39928 1598 15 Oceans Oceans NNP 39928 1598 16 _ _ NNP 39928 1598 17 . . . 39928 1599 1 _ _ NNP 39928 1599 2 Land Land NNP 39928 1599 3 _ _ NNP 39928 1599 4 _ _ NNP 39928 1599 5 Area Area NNP 39928 1599 6 . . . 39928 1600 1 .28 .28 NNP 39928 1600 2 of of IN 39928 1600 3 area area NN 39928 1600 4 of of IN 39928 1600 5 Globe Globe NNP 39928 1600 6 . . . 39928 1600 7 _ _ NNP 39928 1600 8 _ _ NNP 39928 1600 9 Ocean Ocean NNP 39928 1600 10 _ _ NNP 39928 1600 11 _ _ NNP 39928 1600 12 Area Area NNP 39928 1600 13 .72 .72 NN 39928 1600 14 of of IN 39928 1600 15 area area NN 39928 1600 16 of of IN 39928 1600 17 Globe Globe NNP 39928 1600 18 . . . 39928 1600 19 _ _ NNP 39928 1600 20 ] ] -RRB- 39928 1600 21 In in IN 39928 1600 22 this this DT 39928 1600 23 diagram diagram NN 39928 1600 24 the the DT 39928 1600 25 lengths length NNS 39928 1600 26 of of IN 39928 1600 27 the the DT 39928 1600 28 sections section NNS 39928 1600 29 representing represent VBG 39928 1600 30 land land NN 39928 1600 31 and and CC 39928 1600 32 ocean ocean NN 39928 1600 33 are be VBP 39928 1600 34 proportionate proportionate JJ 39928 1600 35 to to IN 39928 1600 36 their -PRON- PRP$ 39928 1600 37 areas area NNS 39928 1600 38 , , , 39928 1600 39 while while IN 39928 1600 40 the the DT 39928 1600 41 thickness thickness NN 39928 1600 42 of of IN 39928 1600 43 each each DT 39928 1600 44 is be VBZ 39928 1600 45 proportionate proportionate JJ 39928 1600 46 to to IN 39928 1600 47 their -PRON- PRP$ 39928 1600 48 mean mean NN 39928 1600 49 height height NN 39928 1600 50 and and CC 39928 1600 51 mean mean VB 39928 1600 52 depth depth NN 39928 1600 53 respectively respectively RB 39928 1600 54 . . . 39928 1601 1 Hence hence RB 39928 1601 2 the the DT 39928 1601 3 two two CD 39928 1601 4 sections section NNS 39928 1601 5 are be VBP 39928 1601 6 in in IN 39928 1601 7 correct correct JJ 39928 1601 8 proportion proportion NN 39928 1601 9 to to IN 39928 1601 10 their -PRON- PRP$ 39928 1601 11 cubic cubic JJ 39928 1601 12 contents content NNS 39928 1601 13 . . . 39928 1602 1 A a DT 39928 1602 2 mere mere JJ 39928 1602 3 inspection inspection NN 39928 1602 4 of of IN 39928 1602 5 this this DT 39928 1602 6 diagram diagram NN 39928 1602 7 is be VBZ 39928 1602 8 sufficient sufficient JJ 39928 1602 9 to to TO 39928 1602 10 disprove disprove VB 39928 1602 11 the the DT 39928 1602 12 old old JJ 39928 1602 13 idea idea NN 39928 1602 14 , , , 39928 1602 15 still still RB 39928 1602 16 held hold VBN 39928 1602 17 by by IN 39928 1602 18 a a DT 39928 1602 19 few few JJ 39928 1602 20 geologists geologist NNS 39928 1602 21 and and CC 39928 1602 22 by by IN 39928 1602 23 many many JJ 39928 1602 24 biologists biologist NNS 39928 1602 25 , , , 39928 1602 26 that that IN 39928 1602 27 oceans ocean NNS 39928 1602 28 and and CC 39928 1602 29 continents continent NNS 39928 1602 30 have have VBP 39928 1602 31 repeatedly repeatedly RB 39928 1602 32 changed change VBN 39928 1602 33 places place NNS 39928 1602 34 during during IN 39928 1602 35 geological geological JJ 39928 1602 36 times time NNS 39928 1602 37 , , , 39928 1602 38 or or CC 39928 1602 39 that that IN 39928 1602 40 the the DT 39928 1602 41 great great JJ 39928 1602 42 oceans ocean NNS 39928 1602 43 have have VBP 39928 1602 44 again again RB 39928 1602 45 and and CC 39928 1602 46 again again RB 39928 1602 47 been be VBN 39928 1602 48 bridged bridge VBN 39928 1602 49 over over RP 39928 1602 50 to to TO 39928 1602 51 facilitate facilitate VB 39928 1602 52 the the DT 39928 1602 53 distribution distribution NN 39928 1602 54 of of IN 39928 1602 55 beetles beetle NNS 39928 1602 56 or or CC 39928 1602 57 birds bird NNS 39928 1602 58 , , , 39928 1602 59 reptiles reptile NNS 39928 1602 60 or or CC 39928 1602 61 mammals mammal NNS 39928 1602 62 . . . 39928 1603 1 We -PRON- PRP 39928 1603 2 must must MD 39928 1603 3 remember remember VB 39928 1603 4 that that IN 39928 1603 5 although although IN 39928 1603 6 the the DT 39928 1603 7 diagram diagram NN 39928 1603 8 shows show VBZ 39928 1603 9 the the DT 39928 1603 10 continents continent NNS 39928 1603 11 and and CC 39928 1603 12 oceans ocean NNS 39928 1603 13 as as IN 39928 1603 14 a a DT 39928 1603 15 whole whole NN 39928 1603 16 , , , 39928 1603 17 yet yet CC 39928 1603 18 it -PRON- PRP 39928 1603 19 also also RB 39928 1603 20 shows show VBZ 39928 1603 21 , , , 39928 1603 22 with with IN 39928 1603 23 quite quite RB 39928 1603 24 sufficient sufficient JJ 39928 1603 25 accuracy accuracy NN 39928 1603 26 , , , 39928 1603 27 the the DT 39928 1603 28 proportions proportion NNS 39928 1603 29 of of IN 39928 1603 30 each each DT 39928 1603 31 of of IN 39928 1603 32 the the DT 39928 1603 33 great great JJ 39928 1603 34 continents continent NNS 39928 1603 35 to to IN 39928 1603 36 the the DT 39928 1603 37 oceans ocean NNS 39928 1603 38 which which WDT 39928 1603 39 are be VBP 39928 1603 40 adjacent adjacent JJ 39928 1603 41 to to IN 39928 1603 42 them -PRON- PRP 39928 1603 43 . . . 39928 1604 1 It -PRON- PRP 39928 1604 2 must must MD 39928 1604 3 also also RB 39928 1604 4 be be VB 39928 1604 5 borne bear VBN 39928 1604 6 in in IN 39928 1604 7 mind mind NN 39928 1604 8 that that IN 39928 1604 9 there there EX 39928 1604 10 can can MD 39928 1604 11 be be VB 39928 1604 12 no no DT 39928 1604 13 elevation elevation NN 39928 1604 14 on on IN 39928 1604 15 a a DT 39928 1604 16 large large JJ 39928 1604 17 scale scale NN 39928 1604 18 without without IN 39928 1604 19 a a DT 39928 1604 20 corresponding corresponding JJ 39928 1604 21 subsidence subsidence NN 39928 1604 22 elsewhere elsewhere RB 39928 1604 23 ; ; : 39928 1604 24 because because IN 39928 1604 25 if if IN 39928 1604 26 there there EX 39928 1604 27 were be VBD 39928 1604 28 not not RB 39928 1604 29 a a DT 39928 1604 30 vast vast JJ 39928 1604 31 unsupported unsupported JJ 39928 1604 32 hollow hollow JJ 39928 1604 33 would would MD 39928 1604 34 be be VB 39928 1604 35 left leave VBN 39928 1604 36 beneath beneath IN 39928 1604 37 the the DT 39928 1604 38 rising rise VBG 39928 1604 39 land land NN 39928 1604 40 or or CC 39928 1604 41 in in IN 39928 1604 42 some some DT 39928 1604 43 part part NN 39928 1604 44 adjacent adjacent JJ 39928 1604 45 to to IN 39928 1604 46 it -PRON- PRP 39928 1604 47 . . . 39928 1605 1 Now now RB 39928 1605 2 , , , 39928 1605 3 looking look VBG 39928 1605 4 at at IN 39928 1605 5 the the DT 39928 1605 6 diagram diagram NN 39928 1605 7 and and CC 39928 1605 8 at at IN 39928 1605 9 a a DT 39928 1605 10 chart chart NN 39928 1605 11 or or CC 39928 1605 12 globe globe NN 39928 1605 13 , , , 39928 1605 14 try try VB 39928 1605 15 to to TO 39928 1605 16 imagine imagine VB 39928 1605 17 the the DT 39928 1605 18 ocean ocean NN 39928 1605 19 - - HYPH 39928 1605 20 bottom bottom NN 39928 1605 21 rising rise VBG 39928 1605 22 gradually gradually RB 39928 1605 23 , , , 39928 1605 24 to to TO 39928 1605 25 form form VB 39928 1605 26 a a DT 39928 1605 27 continent continent NN 39928 1605 28 joining join VBG 39928 1605 29 Africa Africa NNP 39928 1605 30 with with IN 39928 1605 31 South South NNP 39928 1605 32 America America NNP 39928 1605 33 or or CC 39928 1605 34 with with IN 39928 1605 35 Australia Australia NNP 39928 1605 36 ( ( -LRB- 39928 1605 37 both both DT 39928 1605 38 of of IN 39928 1605 39 which which WDT 39928 1605 40 are be VBP 39928 1605 41 demanded demand VBN 39928 1605 42 by by IN 39928 1605 43 many many JJ 39928 1605 44 biologists biologist NNS 39928 1605 45 ) ) -RRB- 39928 1605 46 : : : 39928 1605 47 it -PRON- PRP 39928 1605 48 is be VBZ 39928 1605 49 clear clear JJ 39928 1605 50 that that IN 39928 1605 51 , , , 39928 1605 52 while while IN 39928 1605 53 such such PDT 39928 1605 54 an an DT 39928 1605 55 elevation elevation NN 39928 1605 56 was be VBD 39928 1605 57 going go VBG 39928 1605 58 on on RP 39928 1605 59 , , , 39928 1605 60 either either CC 39928 1605 61 some some DT 39928 1605 62 continental continental JJ 39928 1605 63 land land NN 39928 1605 64 or or CC 39928 1605 65 some some DT 39928 1605 66 other other JJ 39928 1605 67 part part NN 39928 1605 68 of of IN 39928 1605 69 the the DT 39928 1605 70 ocean ocean NN 39928 1605 71 - - HYPH 39928 1605 72 bed bed NN 39928 1605 73 must must MD 39928 1605 74 sink sink VB 39928 1605 75 to to IN 39928 1605 76 a a DT 39928 1605 77 corresponding corresponding JJ 39928 1605 78 amount amount NN 39928 1605 79 . . . 39928 1606 1 We -PRON- PRP 39928 1606 2 shall shall MD 39928 1606 3 then then RB 39928 1606 4 see see VB 39928 1606 5 , , , 39928 1606 6 that that IN 39928 1606 7 if if IN 39928 1606 8 such such JJ 39928 1606 9 changes change NNS 39928 1606 10 of of IN 39928 1606 11 elevation elevation NN 39928 1606 12 on on IN 39928 1606 13 a a DT 39928 1606 14 continental continental JJ 39928 1606 15 scale scale NN 39928 1606 16 have have VBP 39928 1606 17 taken take VBN 39928 1606 18 place place NN 39928 1606 19 again again RB 39928 1606 20 and and CC 39928 1606 21 again again RB 39928 1606 22 at at IN 39928 1606 23 different different JJ 39928 1606 24 periods period NNS 39928 1606 25 , , , 39928 1606 26 it -PRON- PRP 39928 1606 27 would would MD 39928 1606 28 have have VB 39928 1606 29 been be VBN 39928 1606 30 almost almost RB 39928 1606 31 impossible impossible JJ 39928 1606 32 , , , 39928 1606 33 on on IN 39928 1606 34 every every DT 39928 1606 35 occasion occasion NN 39928 1606 36 , , , 39928 1606 37 to to TO 39928 1606 38 avoid avoid VB 39928 1606 39 a a DT 39928 1606 40 whole whole JJ 39928 1606 41 continent continent NN 39928 1606 42 being be VBG 39928 1606 43 submerged submerge VBN 39928 1606 44 ( ( -LRB- 39928 1606 45 or or CC 39928 1606 46 even even RB 39928 1606 47 all all PDT 39928 1606 48 the the DT 39928 1606 49 continents continent NNS 39928 1606 50 ) ) -RRB- 39928 1606 51 in in IN 39928 1606 52 order order NN 39928 1606 53 to to TO 39928 1606 54 equalise equalise VB 39928 1606 55 subsidence subsidence NN 39928 1606 56 with with IN 39928 1606 57 elevation elevation NN 39928 1606 58 while while IN 39928 1606 59 new new JJ 39928 1606 60 continents continent NNS 39928 1606 61 were be VBD 39928 1606 62 being be VBG 39928 1606 63 raised raise VBN 39928 1606 64 up up RP 39928 1606 65 from from IN 39928 1606 66 the the DT 39928 1606 67 abyssal abyssal JJ 39928 1606 68 depths depth NNS 39928 1606 69 of of IN 39928 1606 70 the the DT 39928 1606 71 ocean ocean NN 39928 1606 72 . . . 39928 1607 1 We -PRON- PRP 39928 1607 2 conclude conclude VBP 39928 1607 3 , , , 39928 1607 4 therefore therefore RB 39928 1607 5 , , , 39928 1607 6 that that IN 39928 1607 7 with with IN 39928 1607 8 the the DT 39928 1607 9 exception exception NN 39928 1607 10 of of IN 39928 1607 11 a a DT 39928 1607 12 comparatively comparatively RB 39928 1607 13 narrow narrow JJ 39928 1607 14 belt belt NN 39928 1607 15 around around IN 39928 1607 16 the the DT 39928 1607 17 continents continent NNS 39928 1607 18 , , , 39928 1607 19 which which WDT 39928 1607 20 may may MD 39928 1607 21 be be VB 39928 1607 22 roughly roughly RB 39928 1607 23 indicated indicate VBN 39928 1607 24 by by IN 39928 1607 25 the the DT 39928 1607 26 thousand thousand CD 39928 1607 27 fathom fathom NN 39928 1607 28 line line NN 39928 1607 29 of of IN 39928 1607 30 soundings sounding NNS 39928 1607 31 , , , 39928 1607 32 the the DT 39928 1607 33 great great JJ 39928 1607 34 ocean ocean NN 39928 1607 35 depths depth NNS 39928 1607 36 are be VBP 39928 1607 37 permanent permanent JJ 39928 1607 38 features feature NNS 39928 1607 39 of of IN 39928 1607 40 the the DT 39928 1607 41 earth earth NN 39928 1607 42 's 's POS 39928 1607 43 surface surface NN 39928 1607 44 . . . 39928 1608 1 It -PRON- PRP 39928 1608 2 is be VBZ 39928 1608 3 this this DT 39928 1608 4 stability stability NN 39928 1608 5 of of IN 39928 1608 6 the the DT 39928 1608 7 general general JJ 39928 1608 8 distribution distribution NN 39928 1608 9 of of IN 39928 1608 10 land land NN 39928 1608 11 and and CC 39928 1608 12 water water NN 39928 1608 13 that that WDT 39928 1608 14 has have VBZ 39928 1608 15 secured secure VBN 39928 1608 16 the the DT 39928 1608 17 continuity continuity NN 39928 1608 18 of of IN 39928 1608 19 life life NN 39928 1608 20 upon upon IN 39928 1608 21 the the DT 39928 1608 22 earth earth NN 39928 1608 23 . . . 39928 1609 1 Had have VBD 39928 1609 2 the the DT 39928 1609 3 great great JJ 39928 1609 4 oceanic oceanic JJ 39928 1609 5 basins basin NNS 39928 1609 6 , , , 39928 1609 7 on on IN 39928 1609 8 the the DT 39928 1609 9 other other JJ 39928 1609 10 hand hand NN 39928 1609 11 , , , 39928 1609 12 been be VBN 39928 1609 13 unstable unstable JJ 39928 1609 14 , , , 39928 1609 15 changing change VBG 39928 1609 16 places place NNS 39928 1609 17 with with IN 39928 1609 18 the the DT 39928 1609 19 land land NN 39928 1609 20 at at IN 39928 1609 21 various various JJ 39928 1609 22 periods period NNS 39928 1609 23 of of IN 39928 1609 24 geological geological JJ 39928 1609 25 time time NN 39928 1609 26 , , , 39928 1609 27 they -PRON- PRP 39928 1609 28 would would MD 39928 1609 29 , , , 39928 1609 30 almost almost RB 39928 1609 31 certainly certainly RB 39928 1609 32 , , , 39928 1609 33 again again RB 39928 1609 34 and and CC 39928 1609 35 again again RB 39928 1609 36 have have VBP 39928 1609 37 swallowed swallow VBN 39928 1609 38 up up RP 39928 1609 39 the the DT 39928 1609 40 land land NN 39928 1609 41 in in IN 39928 1609 42 their -PRON- PRP$ 39928 1609 43 vast vast JJ 39928 1609 44 abysses abyss NNS 39928 1609 45 , , , 39928 1609 46 and and CC 39928 1609 47 have have VBP 39928 1609 48 thus thus RB 39928 1609 49 destroyed destroy VBN 39928 1609 50 all all PDT 39928 1609 51 the the DT 39928 1609 52 organic organic JJ 39928 1609 53 life life NN 39928 1609 54 of of IN 39928 1609 55 the the DT 39928 1609 56 world world NN 39928 1609 57 . . . 39928 1610 1 There there EX 39928 1610 2 are be VBP 39928 1610 3 many many JJ 39928 1610 4 confirmatory confirmatory JJ 39928 1610 5 proofs proof NNS 39928 1610 6 of of IN 39928 1610 7 this this DT 39928 1610 8 view view NN 39928 1610 9 ( ( -LRB- 39928 1610 10 which which WDT 39928 1610 11 is be VBZ 39928 1610 12 now now RB 39928 1610 13 widely widely RB 39928 1610 14 accepted accept VBN 39928 1610 15 by by IN 39928 1610 16 geologists geologist NNS 39928 1610 17 and and CC 39928 1610 18 physicists physicist NNS 39928 1610 19 ) ) -RRB- 39928 1610 20 , , , 39928 1610 21 and and CC 39928 1610 22 a a DT 39928 1610 23 few few JJ 39928 1610 24 of of IN 39928 1610 25 them -PRON- PRP 39928 1610 26 may may MD 39928 1610 27 be be VB 39928 1610 28 briefly briefly RB 39928 1610 29 stated state VBN 39928 1610 30 . . . 39928 1611 1 1 1 LS 39928 1611 2 . . . 39928 1612 1 None none NN 39928 1612 2 of of IN 39928 1612 3 the the DT 39928 1612 4 continents continent NNS 39928 1612 5 present present VBP 39928 1612 6 us -PRON- PRP 39928 1612 7 with with IN 39928 1612 8 marine marine JJ 39928 1612 9 deposits deposit NNS 39928 1612 10 of of IN 39928 1612 11 any any DT 39928 1612 12 one one CD 39928 1612 13 geological geological JJ 39928 1612 14 age age NN 39928 1612 15 and and CC 39928 1612 16 occupying occupy VBG 39928 1612 17 a a DT 39928 1612 18 large large JJ 39928 1612 19 part part NN 39928 1612 20 of of IN 39928 1612 21 the the DT 39928 1612 22 surface surface NN 39928 1612 23 of of IN 39928 1612 24 each each DT 39928 1612 25 , , , 39928 1612 26 as as IN 39928 1612 27 must must MD 39928 1612 28 have have VB 39928 1612 29 been be VBN 39928 1612 30 the the DT 39928 1612 31 case case NN 39928 1612 32 had have VBD 39928 1612 33 they -PRON- PRP 39928 1612 34 ever ever RB 39928 1612 35 been be VBN 39928 1612 36 sunk sink VBN 39928 1612 37 deep deep JJ 39928 1612 38 beneath beneath IN 39928 1612 39 the the DT 39928 1612 40 ocean ocean NN 39928 1612 41 and and CC 39928 1612 42 again again RB 39928 1612 43 elevated elevated JJ 39928 1612 44 ; ; : 39928 1612 45 neither neither CC 39928 1612 46 do do VBP 39928 1612 47 any any DT 39928 1612 48 of of IN 39928 1612 49 them -PRON- PRP 39928 1612 50 contain contain VBP 39928 1612 51 extensive extensive JJ 39928 1612 52 formations formation NNS 39928 1612 53 corresponding correspond VBG 39928 1612 54 to to IN 39928 1612 55 the the DT 39928 1612 56 deep deep JJ 39928 1612 57 oceanic oceanic JJ 39928 1612 58 clays clay NNS 39928 1612 59 and and CC 39928 1612 60 oozes ooze NNS 39928 1612 61 , , , 39928 1612 62 which which WDT 39928 1612 63 again again RB 39928 1612 64 they -PRON- PRP 39928 1612 65 must must MD 39928 1612 66 have have VB 39928 1612 67 done do VBN 39928 1612 68 had have VBD 39928 1612 69 they -PRON- PRP 39928 1612 70 been be VBN 39928 1612 71 at at IN 39928 1612 72 any any DT 39928 1612 73 time time NN 39928 1612 74 raised raise VBD 39928 1612 75 up up RP 39928 1612 76 from from IN 39928 1612 77 the the DT 39928 1612 78 ocean ocean NN 39928 1612 79 depths depth NNS 39928 1612 80 . . . 39928 1613 1 2 2 LS 39928 1613 2 . . . 39928 1614 1 All all PDT 39928 1614 2 the the DT 39928 1614 3 continents continent NNS 39928 1614 4 present present VBP 39928 1614 5 an an DT 39928 1614 6 almost almost RB 39928 1614 7 complete complete JJ 39928 1614 8 and and CC 39928 1614 9 continuous continuous JJ 39928 1614 10 series series NN 39928 1614 11 of of IN 39928 1614 12 rocks rock NNS 39928 1614 13 of of IN 39928 1614 14 _ _ NNP 39928 1614 15 all all DT 39928 1614 16 _ _ NNP 39928 1614 17 geological geological JJ 39928 1614 18 ages age NNS 39928 1614 19 , , , 39928 1614 20 and and CC 39928 1614 21 in in IN 39928 1614 22 each each DT 39928 1614 23 of of IN 39928 1614 24 the the DT 39928 1614 25 great great JJ 39928 1614 26 geological geological JJ 39928 1614 27 periods period NNS 39928 1614 28 there there EX 39928 1614 29 are be VBP 39928 1614 30 found find VBN 39928 1614 31 fresh fresh JJ 39928 1614 32 water water NN 39928 1614 33 and and CC 39928 1614 34 estuarine estuarine NN 39928 1614 35 deposits deposit NNS 39928 1614 36 , , , 39928 1614 37 and and CC 39928 1614 38 even even RB 39928 1614 39 old old JJ 39928 1614 40 land land NN 39928 1614 41 - - HYPH 39928 1614 42 surfaces surface NNS 39928 1614 43 , , , 39928 1614 44 demonstrating demonstrate VBG 39928 1614 45 continuity continuity NN 39928 1614 46 of of IN 39928 1614 47 continental continental JJ 39928 1614 48 or or CC 39928 1614 49 insular insular JJ 39928 1614 50 conditions condition NNS 39928 1614 51 . . . 39928 1615 1 3 3 LS 39928 1615 2 . . . 39928 1616 1 All all PDT 39928 1616 2 the the DT 39928 1616 3 great great JJ 39928 1616 4 oceans ocean NNS 39928 1616 5 possess possess VBP 39928 1616 6 , , , 39928 1616 7 scattered scatter VBN 39928 1616 8 over over IN 39928 1616 9 them -PRON- PRP 39928 1616 10 , , , 39928 1616 11 a a DT 39928 1616 12 few few JJ 39928 1616 13 or or CC 39928 1616 14 many many JJ 39928 1616 15 islands island NNS 39928 1616 16 termed term VBN 39928 1616 17 ' ' '' 39928 1616 18 oceanic oceanic JJ 39928 1616 19 , , , 39928 1616 20 ' ' '' 39928 1616 21 and and CC 39928 1616 22 characterised characterise VBN 39928 1616 23 by by IN 39928 1616 24 a a DT 39928 1616 25 volcanic volcanic JJ 39928 1616 26 or or CC 39928 1616 27 coralline coralline JJ 39928 1616 28 structure structure NN 39928 1616 29 , , , 39928 1616 30 with with IN 39928 1616 31 no no DT 39928 1616 32 ancient ancient JJ 39928 1616 33 stratified stratified JJ 39928 1616 34 rocks rock NNS 39928 1616 35 in in IN 39928 1616 36 anyone anyone NN 39928 1616 37 of of IN 39928 1616 38 them -PRON- PRP 39928 1616 39 ; ; : 39928 1616 40 and and CC 39928 1616 41 in in IN 39928 1616 42 none none NN 39928 1616 43 of of IN 39928 1616 44 these these DT 39928 1616 45 is be VBZ 39928 1616 46 there there EX 39928 1616 47 found find VBN 39928 1616 48 a a DT 39928 1616 49 single single JJ 39928 1616 50 indigenous indigenous JJ 39928 1616 51 land land NN 39928 1616 52 mammal mammal JJ 39928 1616 53 or or CC 39928 1616 54 amphibian amphibian NNP 39928 1616 55 . . . 39928 1617 1 It -PRON- PRP 39928 1617 2 is be VBZ 39928 1617 3 incredible incredible JJ 39928 1617 4 that that IN 39928 1617 5 , , , 39928 1617 6 if if IN 39928 1617 7 these these DT 39928 1617 8 oceans ocean NNS 39928 1617 9 had have VBD 39928 1617 10 ever ever RB 39928 1617 11 contained contain VBN 39928 1617 12 extensive extensive JJ 39928 1617 13 continents continent NNS 39928 1617 14 , , , 39928 1617 15 and and CC 39928 1617 16 if if IN 39928 1617 17 these these DT 39928 1617 18 oceanic oceanic JJ 39928 1617 19 islands island NNS 39928 1617 20 are be VBP 39928 1617 21 -- -- : 39928 1617 22 as as IN 39928 1617 23 even even RB 39928 1617 24 now now RB 39928 1617 25 they -PRON- PRP 39928 1617 26 are be VBP 39928 1617 27 often often RB 39928 1617 28 alleged allege VBN 39928 1617 29 to to TO 39928 1617 30 be be VB 39928 1617 31 -- -- : 39928 1617 32 parts part NNS 39928 1617 33 of of IN 39928 1617 34 these these DT 39928 1617 35 now now RB 39928 1617 36 submerged submerged JJ 39928 1617 37 continents continent NNS 39928 1617 38 , , , 39928 1617 39 not not RB 39928 1617 40 one one CD 39928 1617 41 fragment fragment NN 39928 1617 42 of of IN 39928 1617 43 any any DT 39928 1617 44 of of IN 39928 1617 45 the the DT 39928 1617 46 old old JJ 39928 1617 47 stratified stratified JJ 39928 1617 48 rocks rock NNS 39928 1617 49 , , , 39928 1617 50 which which WDT 39928 1617 51 characterise characterise VBP 39928 1617 52 all all DT 39928 1617 53 existing exist VBG 39928 1617 54 continents continent NNS 39928 1617 55 , , , 39928 1617 56 should should MD 39928 1617 57 remain remain VB 39928 1617 58 to to TO 39928 1617 59 show show VB 39928 1617 60 their -PRON- PRP$ 39928 1617 61 origin origin NN 39928 1617 62 . . . 39928 1618 1 In in IN 39928 1618 2 the the DT 39928 1618 3 Atlantic Atlantic NNP 39928 1618 4 we -PRON- PRP 39928 1618 5 find find VBP 39928 1618 6 the the DT 39928 1618 7 Azores Azores NNPS 39928 1618 8 , , , 39928 1618 9 Madeira Madeira NNP 39928 1618 10 , , , 39928 1618 11 and and CC 39928 1618 12 St. St. NNP 39928 1618 13 Helena Helena NNP 39928 1618 14 ; ; : 39928 1618 15 in in IN 39928 1618 16 the the DT 39928 1618 17 Indian Indian NNP 39928 1618 18 Ocean Ocean NNP 39928 1618 19 , , , 39928 1618 20 Mauritius Mauritius NNP 39928 1618 21 , , , 39928 1618 22 Bourbon Bourbon NNP 39928 1618 23 , , , 39928 1618 24 and and CC 39928 1618 25 Kerguelen Kerguelen NNP 39928 1618 26 Island Island NNP 39928 1618 27 ; ; : 39928 1618 28 in in IN 39928 1618 29 the the DT 39928 1618 30 Pacific Pacific NNP 39928 1618 31 , , , 39928 1618 32 the the DT 39928 1618 33 Fiji Fiji NNP 39928 1618 34 , , , 39928 1618 35 Samoan Samoan NNP 39928 1618 36 , , , 39928 1618 37 Society Society NNP 39928 1618 38 , , , 39928 1618 39 Sandwich Sandwich NNP 39928 1618 40 , , , 39928 1618 41 and and CC 39928 1618 42 Galapagos Galapagos NNP 39928 1618 43 Islands Islands NNPS 39928 1618 44 , , , 39928 1618 45 all all DT 39928 1618 46 without without IN 39928 1618 47 exception exception NN 39928 1618 48 telling tell VBG 39928 1618 49 us -PRON- PRP 39928 1618 50 the the DT 39928 1618 51 same same JJ 39928 1618 52 tale tale NN 39928 1618 53 , , , 39928 1618 54 that that IN 39928 1618 55 they -PRON- PRP 39928 1618 56 have have VBP 39928 1618 57 been be VBN 39928 1618 58 built build VBN 39928 1618 59 up up RP 39928 1618 60 from from IN 39928 1618 61 the the DT 39928 1618 62 ocean ocean NN 39928 1618 63 depths depth NNS 39928 1618 64 by by IN 39928 1618 65 submarine submarine NN 39928 1618 66 volcanoes volcano NNS 39928 1618 67 and and CC 39928 1618 68 coralline coralline NN 39928 1618 69 growths growth NNS 39928 1618 70 , , , 39928 1618 71 but but CC 39928 1618 72 have have VBP 39928 1618 73 never never RB 39928 1618 74 formed form VBN 39928 1618 75 part part NN 39928 1618 76 of of IN 39928 1618 77 continental continental JJ 39928 1618 78 areas area NNS 39928 1618 79 . . . 39928 1619 1 4 4 LS 39928 1619 2 . . . 39928 1620 1 The the DT 39928 1620 2 contours contour NNS 39928 1620 3 of of IN 39928 1620 4 the the DT 39928 1620 5 floors floor NNS 39928 1620 6 of of IN 39928 1620 7 all all PDT 39928 1620 8 the the DT 39928 1620 9 great great JJ 39928 1620 10 oceans ocean NNS 39928 1620 11 , , , 39928 1620 12 now now RB 39928 1620 13 fairly fairly RB 39928 1620 14 well well RB 39928 1620 15 known known JJ 39928 1620 16 through through IN 39928 1620 17 the the DT 39928 1620 18 soundings sounding NNS 39928 1620 19 of of IN 39928 1620 20 exploring explore VBG 39928 1620 21 vessels vessel NNS 39928 1620 22 and and CC 39928 1620 23 for for IN 39928 1620 24 submarine submarine JJ 39928 1620 25 telegraph telegraph NN 39928 1620 26 lines line NNS 39928 1620 27 , , , 39928 1620 28 also also RB 39928 1620 29 give give VBP 39928 1620 30 confirmatory confirmatory JJ 39928 1620 31 evidence evidence NN 39928 1620 32 that that IN 39928 1620 33 they -PRON- PRP 39928 1620 34 have have VBP 39928 1620 35 never never RB 39928 1620 36 been be VBN 39928 1620 37 continental continental JJ 39928 1620 38 land land NN 39928 1620 39 . . . 39928 1621 1 For for IN 39928 1621 2 if if IN 39928 1621 3 any any DT 39928 1621 4 part part NN 39928 1621 5 of of IN 39928 1621 6 them -PRON- PRP 39928 1621 7 were be VBD 39928 1621 8 a a DT 39928 1621 9 sunken sunken JJ 39928 1621 10 continent continent NN 39928 1621 11 , , , 39928 1621 12 that that DT 39928 1621 13 part part NN 39928 1621 14 must must MD 39928 1621 15 have have VB 39928 1621 16 retained retain VBN 39928 1621 17 some some DT 39928 1621 18 impress impress NN 39928 1621 19 of of IN 39928 1621 20 its -PRON- PRP$ 39928 1621 21 origin origin NN 39928 1621 22 . . . 39928 1622 1 Some some DT 39928 1622 2 of of IN 39928 1622 3 the the DT 39928 1622 4 numerous numerous JJ 39928 1622 5 mountain mountain NN 39928 1622 6 ranges range NNS 39928 1622 7 which which WDT 39928 1622 8 characterise characterise VBP 39928 1622 9 _ _ NNP 39928 1622 10 every every DT 39928 1622 11 _ _ NNP 39928 1622 12 continent continent NN 39928 1622 13 would would MD 39928 1622 14 have have VB 39928 1622 15 remained remain VBN 39928 1622 16 . . . 39928 1623 1 We -PRON- PRP 39928 1623 2 should should MD 39928 1623 3 find find VB 39928 1623 4 slopes slope NNS 39928 1623 5 of of IN 39928 1623 6 from from IN 39928 1623 7 20 20 CD 39928 1623 8 ° ° NNS 39928 1623 9 to to IN 39928 1623 10 50 50 CD 39928 1623 11 ° ° NNS 39928 1623 12 not not RB 39928 1623 13 uncommon uncommon JJ 39928 1623 14 , , , 39928 1623 15 while while IN 39928 1623 16 valleys valley NNS 39928 1623 17 bordered border VBN 39928 1623 18 by by IN 39928 1623 19 rocky rocky JJ 39928 1623 20 precipices precipice NNS 39928 1623 21 , , , 39928 1623 22 as as IN 39928 1623 23 in in IN 39928 1623 24 Lake Lake NNP 39928 1623 25 Lucerne Lucerne NNP 39928 1623 26 and and CC 39928 1623 27 a a DT 39928 1623 28 hundred hundred CD 39928 1623 29 others other NNS 39928 1623 30 , , , 39928 1623 31 or or CC 39928 1623 32 isolated isolated JJ 39928 1623 33 rock rock NN 39928 1623 34 - - HYPH 39928 1623 35 walled walled JJ 39928 1623 36 mountains mountain NNS 39928 1623 37 like like IN 39928 1623 38 Roraima Roraima NNP 39928 1623 39 , , , 39928 1623 40 or or CC 39928 1623 41 ranges range VBZ 39928 1623 42 of of IN 39928 1623 43 precipices precipice NNS 39928 1623 44 as as IN 39928 1623 45 in in IN 39928 1623 46 the the DT 39928 1623 47 Ghâts Ghâts NNP 39928 1623 48 of of IN 39928 1623 49 India India NNP 39928 1623 50 or or CC 39928 1623 51 the the DT 39928 1623 52 Fiords Fiords NNPS 39928 1623 53 of of IN 39928 1623 54 Norway Norway NNP 39928 1623 55 , , , 39928 1623 56 would would MD 39928 1623 57 frequently frequently RB 39928 1623 58 be be VB 39928 1623 59 met meet VBN 39928 1623 60 with with IN 39928 1623 61 . . . 39928 1624 1 But but CC 39928 1624 2 not not RB 39928 1624 3 a a DT 39928 1624 4 single single JJ 39928 1624 5 feature feature NN 39928 1624 6 of of IN 39928 1624 7 this this DT 39928 1624 8 kind kind NN 39928 1624 9 has have VBZ 39928 1624 10 ever ever RB 39928 1624 11 been be VBN 39928 1624 12 found find VBN 39928 1624 13 in in IN 39928 1624 14 the the DT 39928 1624 15 ocean ocean NN 39928 1624 16 abysses abyss NNS 39928 1624 17 . . . 39928 1625 1 Instead instead RB 39928 1625 2 of of IN 39928 1625 3 these these DT 39928 1625 4 we -PRON- PRP 39928 1625 5 have have VBP 39928 1625 6 vast vast JJ 39928 1625 7 plains plain NNS 39928 1625 8 , , , 39928 1625 9 which which WDT 39928 1625 10 , , , 39928 1625 11 if if IN 39928 1625 12 the the DT 39928 1625 13 water water NN 39928 1625 14 were be VBD 39928 1625 15 removed remove VBN 39928 1625 16 , , , 39928 1625 17 would would MD 39928 1625 18 appear appear VB 39928 1625 19 almost almost RB 39928 1625 20 exactly exactly RB 39928 1625 21 level level NN 39928 1625 22 , , , 39928 1625 23 with with IN 39928 1625 24 no no DT 39928 1625 25 abrupt abrupt JJ 39928 1625 26 slopes slope NNS 39928 1625 27 anywhere anywhere RB 39928 1625 28 . . . 39928 1626 1 When when WRB 39928 1626 2 we -PRON- PRP 39928 1626 3 consider consider VBP 39928 1626 4 that that IN 39928 1626 5 deposits deposit NNS 39928 1626 6 from from IN 39928 1626 7 the the DT 39928 1626 8 land land NN 39928 1626 9 never never RB 39928 1626 10 reach reach VBP 39928 1626 11 these these DT 39928 1626 12 remote remote JJ 39928 1626 13 ocean ocean NN 39928 1626 14 depths depth NNS 39928 1626 15 , , , 39928 1626 16 and and CC 39928 1626 17 that that IN 39928 1626 18 there there EX 39928 1626 19 is be VBZ 39928 1626 20 no no DT 39928 1626 21 wave wave NN 39928 1626 22 - - HYPH 39928 1626 23 action action NN 39928 1626 24 below below IN 39928 1626 25 a a DT 39928 1626 26 few few JJ 39928 1626 27 hundred hundred CD 39928 1626 28 feet foot NNS 39928 1626 29 , , , 39928 1626 30 these these DT 39928 1626 31 continental continental JJ 39928 1626 32 features feature NNS 39928 1626 33 once once RB 39928 1626 34 submerged submerge VBN 39928 1626 35 would would MD 39928 1626 36 be be VB 39928 1626 37 indestructible indestructible JJ 39928 1626 38 ; ; : 39928 1626 39 and and CC 39928 1626 40 their -PRON- PRP$ 39928 1626 41 total total JJ 39928 1626 42 absence absence NN 39928 1626 43 is be VBZ 39928 1626 44 , , , 39928 1626 45 therefore therefore RB 39928 1626 46 , , , 39928 1626 47 itself -PRON- PRP 39928 1626 48 a a DT 39928 1626 49 demonstration demonstration NN 39928 1626 50 that that IN 39928 1626 51 none none NN 39928 1626 52 of of IN 39928 1626 53 the the DT 39928 1626 54 great great JJ 39928 1626 55 oceans ocean NNS 39928 1626 56 are be VBP 39928 1626 57 on on IN 39928 1626 58 the the DT 39928 1626 59 sites site NNS 39928 1626 60 of of IN 39928 1626 61 submerged submerged JJ 39928 1626 62 continents continent NNS 39928 1626 63 . . . 39928 1627 1 HOW how WRB 39928 1627 2 OCEAN ocean RB 39928 1627 3 DEPTHS depths JJ 39928 1627 4 WERE be VBD 39928 1627 5 PRODUCED PRODUCED NNS 39928 1627 6 It -PRON- PRP 39928 1627 7 is be VBZ 39928 1627 8 a a DT 39928 1627 9 very very RB 39928 1627 10 difficult difficult JJ 39928 1627 11 problem problem NN 39928 1627 12 to to TO 39928 1627 13 determine determine VB 39928 1627 14 how how WRB 39928 1627 15 the the DT 39928 1627 16 vast vast JJ 39928 1627 17 basins basin NNS 39928 1627 18 which which WDT 39928 1627 19 are be VBP 39928 1627 20 filled fill VBN 39928 1627 21 by by IN 39928 1627 22 the the DT 39928 1627 23 great great JJ 39928 1627 24 oceans ocean NNS 39928 1627 25 , , , 39928 1627 26 especially especially RB 39928 1627 27 that that DT 39928 1627 28 of of IN 39928 1627 29 the the DT 39928 1627 30 Pacific Pacific NNP 39928 1627 31 , , , 39928 1627 32 were be VBD 39928 1627 33 first first RB 39928 1627 34 produced produce VBN 39928 1627 35 . . . 39928 1628 1 When when WRB 39928 1628 2 the the DT 39928 1628 3 earth earth NN 39928 1628 4 's 's POS 39928 1628 5 surface surface NN 39928 1628 6 was be VBD 39928 1628 7 still still RB 39928 1628 8 in in IN 39928 1628 9 a a DT 39928 1628 10 molten molten JJ 39928 1628 11 state state NN 39928 1628 12 , , , 39928 1628 13 it -PRON- PRP 39928 1628 14 would would MD 39928 1628 15 necessarily necessarily RB 39928 1628 16 take take VB 39928 1628 17 the the DT 39928 1628 18 form form NN 39928 1628 19 of of IN 39928 1628 20 a a DT 39928 1628 21 true true JJ 39928 1628 22 oblate oblate NN 39928 1628 23 spheroid spheroid NN 39928 1628 24 , , , 39928 1628 25 with with IN 39928 1628 26 a a DT 39928 1628 27 compression compression NN 39928 1628 28 at at IN 39928 1628 29 the the DT 39928 1628 30 poles pole NNS 39928 1628 31 due due IN 39928 1628 32 to to IN 39928 1628 33 its -PRON- PRP$ 39928 1628 34 speed speed NN 39928 1628 35 of of IN 39928 1628 36 rotation rotation NN 39928 1628 37 , , , 39928 1628 38 which which WDT 39928 1628 39 is be VBZ 39928 1628 40 supposed suppose VBN 39928 1628 41 to to TO 39928 1628 42 have have VB 39928 1628 43 been be VBN 39928 1628 44 very very RB 39928 1628 45 great great JJ 39928 1628 46 . . . 39928 1629 1 The the DT 39928 1629 2 crust crust NN 39928 1629 3 formed form VBN 39928 1629 4 by by IN 39928 1629 5 the the DT 39928 1629 6 gradual gradual JJ 39928 1629 7 cooling cooling NN 39928 1629 8 of of IN 39928 1629 9 such such PDT 39928 1629 10 a a DT 39928 1629 11 globe globe NN 39928 1629 12 would would MD 39928 1629 13 be be VB 39928 1629 14 of of IN 39928 1629 15 the the DT 39928 1629 16 same same JJ 39928 1629 17 general general JJ 39928 1629 18 form form NN 39928 1629 19 , , , 39928 1629 20 and and CC 39928 1629 21 , , , 39928 1629 22 being be VBG 39928 1629 23 thin thin JJ 39928 1629 24 , , , 39928 1629 25 would would MD 39928 1629 26 easily easily RB 39928 1629 27 be be VB 39928 1629 28 fractured fracture VBN 39928 1629 29 or or CC 39928 1629 30 bent bend VBN 39928 1629 31 so so IN 39928 1629 32 as as IN 39928 1629 33 to to TO 39928 1629 34 accommodate accommodate VB 39928 1629 35 itself -PRON- PRP 39928 1629 36 to to IN 39928 1629 37 any any DT 39928 1629 38 unequal unequal JJ 39928 1629 39 stresses stress NNS 39928 1629 40 from from IN 39928 1629 41 the the DT 39928 1629 42 interior interior NN 39928 1629 43 . . . 39928 1630 1 As as IN 39928 1630 2 the the DT 39928 1630 3 crust crust NN 39928 1630 4 thickened thicken VBD 39928 1630 5 and and CC 39928 1630 6 the the DT 39928 1630 7 whole whole JJ 39928 1630 8 mass mass NN 39928 1630 9 slowly slowly RB 39928 1630 10 cooled cool VBD 39928 1630 11 and and CC 39928 1630 12 contracted contract VBD 39928 1630 13 , , , 39928 1630 14 fissures fissure NNS 39928 1630 15 and and CC 39928 1630 16 crumpling crumpling NN 39928 1630 17 would would MD 39928 1630 18 occur occur VB 39928 1630 19 , , , 39928 1630 20 the the DT 39928 1630 21 former former JJ 39928 1630 22 serving serving NN 39928 1630 23 as as IN 39928 1630 24 outlets outlet NNS 39928 1630 25 for for IN 39928 1630 26 volcanic volcanic JJ 39928 1630 27 activities activity NNS 39928 1630 28 whose whose WP$ 39928 1630 29 results result NNS 39928 1630 30 are be VBP 39928 1630 31 found find VBN 39928 1630 32 throughout throughout IN 39928 1630 33 all all DT 39928 1630 34 geological geological JJ 39928 1630 35 ages age NNS 39928 1630 36 ; ; : 39928 1630 37 the the DT 39928 1630 38 latter latter JJ 39928 1630 39 producing produce VBG 39928 1630 40 mountain mountain NN 39928 1630 41 chains chain NNS 39928 1630 42 in in IN 39928 1630 43 which which WDT 39928 1630 44 the the DT 39928 1630 45 rocks rock NNS 39928 1630 46 are be VBP 39928 1630 47 almost almost RB 39928 1630 48 always always RB 39928 1630 49 curved curve VBN 39928 1630 50 , , , 39928 1630 51 folded fold VBN 39928 1630 52 , , , 39928 1630 53 or or CC 39928 1630 54 even even RB 39928 1630 55 thrust thrust VBD 39928 1630 56 over over IN 39928 1630 57 each each DT 39928 1630 58 other other JJ 39928 1630 59 , , , 39928 1630 60 indicating indicate VBG 39928 1630 61 the the DT 39928 1630 62 mighty mighty JJ 39928 1630 63 forces force NNS 39928 1630 64 due due IN 39928 1630 65 to to IN 39928 1630 66 the the DT 39928 1630 67 adjustments adjustment NNS 39928 1630 68 of of IN 39928 1630 69 a a DT 39928 1630 70 solid solid JJ 39928 1630 71 crust crust NN 39928 1630 72 upon upon IN 39928 1630 73 a a DT 39928 1630 74 shrinking shrink VBG 39928 1630 75 fluid fluid NN 39928 1630 76 or or CC 39928 1630 77 semi semi JJ 39928 1630 78 - - JJ 39928 1630 79 fluid fluid JJ 39928 1630 80 interior interior NN 39928 1630 81 . . . 39928 1631 1 But but CC 39928 1631 2 during during IN 39928 1631 3 this this DT 39928 1631 4 whole whole JJ 39928 1631 5 process process NN 39928 1631 6 there there EX 39928 1631 7 seem seem VBP 39928 1631 8 to to TO 39928 1631 9 be be VB 39928 1631 10 no no DT 39928 1631 11 forces force NNS 39928 1631 12 at at IN 39928 1631 13 work work NN 39928 1631 14 that that WDT 39928 1631 15 could could MD 39928 1631 16 lead lead VB 39928 1631 17 to to IN 39928 1631 18 the the DT 39928 1631 19 production production NN 39928 1631 20 of of IN 39928 1631 21 such such PDT 39928 1631 22 a a DT 39928 1631 23 feature feature NN 39928 1631 24 as as IN 39928 1631 25 the the DT 39928 1631 26 Pacific Pacific NNP 39928 1631 27 , , , 39928 1631 28 a a DT 39928 1631 29 vast vast JJ 39928 1631 30 depression depression NN 39928 1631 31 covering cover VBG 39928 1631 32 nearly nearly RB 39928 1631 33 one one CD 39928 1631 34 - - HYPH 39928 1631 35 third third NN 39928 1631 36 of of IN 39928 1631 37 the the DT 39928 1631 38 whole whole JJ 39928 1631 39 surface surface NN 39928 1631 40 of of IN 39928 1631 41 the the DT 39928 1631 42 globe globe NN 39928 1631 43 . . . 39928 1632 1 The the DT 39928 1632 2 Atlantic Atlantic NNP 39928 1632 3 Ocean Ocean NNP 39928 1632 4 , , , 39928 1632 5 being be VBG 39928 1632 6 smaller small JJR 39928 1632 7 and and CC 39928 1632 8 nearly nearly RB 39928 1632 9 opposite opposite JJ 39928 1632 10 to to IN 39928 1632 11 the the DT 39928 1632 12 Pacific Pacific NNP 39928 1632 13 , , , 39928 1632 14 but but CC 39928 1632 15 approximately approximately RB 39928 1632 16 of of IN 39928 1632 17 equal equal JJ 39928 1632 18 depth depth NN 39928 1632 19 , , , 39928 1632 20 may may MD 39928 1632 21 be be VB 39928 1632 22 looked look VBN 39928 1632 23 upon upon IN 39928 1632 24 as as IN 39928 1632 25 a a DT 39928 1632 26 complementary complementary JJ 39928 1632 27 phenomenon phenomenon NN 39928 1632 28 which which WDT 39928 1632 29 will will MD 39928 1632 30 be be VB 39928 1632 31 probably probably RB 39928 1632 32 explained explain VBN 39928 1632 33 as as IN 39928 1632 34 a a DT 39928 1632 35 result result NN 39928 1632 36 of of IN 39928 1632 37 the the DT 39928 1632 38 same same JJ 39928 1632 39 causes cause NNS 39928 1632 40 as as IN 39928 1632 41 the the DT 39928 1632 42 vaster vaster NN 39928 1632 43 cavity cavity NN 39928 1632 44 . . . 39928 1633 1 So so RB 39928 1633 2 far far RB 39928 1633 3 as as IN 39928 1633 4 I -PRON- PRP 39928 1633 5 am be VBP 39928 1633 6 aware aware JJ 39928 1633 7 , , , 39928 1633 8 there there EX 39928 1633 9 is be VBZ 39928 1633 10 only only RB 39928 1633 11 one one CD 39928 1633 12 suggested suggested JJ 39928 1633 13 cause cause NN 39928 1633 14 of of IN 39928 1633 15 the the DT 39928 1633 16 formation formation NN 39928 1633 17 of of IN 39928 1633 18 these these DT 39928 1633 19 great great JJ 39928 1633 20 oceans ocean NNS 39928 1633 21 that that WDT 39928 1633 22 seems seem VBZ 39928 1633 23 adequate adequate JJ 39928 1633 24 ; ; : 39928 1633 25 and and CC 39928 1633 26 as as IN 39928 1633 27 that that DT 39928 1633 28 cause cause NN 39928 1633 29 is be VBZ 39928 1633 30 to to IN 39928 1633 31 some some DT 39928 1633 32 extent extent NN 39928 1633 33 supported support VBN 39928 1633 34 by by IN 39928 1633 35 quite quite RB 39928 1633 36 independent independent JJ 39928 1633 37 astronomical astronomical JJ 39928 1633 38 evidence evidence NN 39928 1633 39 , , , 39928 1633 40 and and CC 39928 1633 41 also also RB 39928 1633 42 directly directly RB 39928 1633 43 bears bear VBZ 39928 1633 44 upon upon IN 39928 1633 45 the the DT 39928 1633 46 main main JJ 39928 1633 47 subject subject NN 39928 1633 48 of of IN 39928 1633 49 the the DT 39928 1633 50 present present JJ 39928 1633 51 volume volume NN 39928 1633 52 , , , 39928 1633 53 it -PRON- PRP 39928 1633 54 must must MD 39928 1633 55 be be VB 39928 1633 56 briefly briefly RB 39928 1633 57 considered consider VBN 39928 1633 58 . . . 39928 1634 1 A a DT 39928 1634 2 few few JJ 39928 1634 3 years year NNS 39928 1634 4 ago ago RB 39928 1634 5 , , , 39928 1634 6 Professor Professor NNP 39928 1634 7 George George NNP 39928 1634 8 Darwin Darwin NNP 39928 1634 9 , , , 39928 1634 10 of of IN 39928 1634 11 Cambridge Cambridge NNP 39928 1634 12 , , , 39928 1634 13 arrived arrive VBD 39928 1634 14 at at IN 39928 1634 15 a a DT 39928 1634 16 certain certain JJ 39928 1634 17 conclusion conclusion NN 39928 1634 18 as as IN 39928 1634 19 to to IN 39928 1634 20 the the DT 39928 1634 21 origin origin NN 39928 1634 22 of of IN 39928 1634 23 the the DT 39928 1634 24 moon moon NN 39928 1634 25 , , , 39928 1634 26 which which WDT 39928 1634 27 is be VBZ 39928 1634 28 now now RB 39928 1634 29 comparatively comparatively RB 39928 1634 30 well well RB 39928 1634 31 known know VBN 39928 1634 32 by by IN 39928 1634 33 Sir Sir NNP 39928 1634 34 Robert Robert NNP 39928 1634 35 Ball Ball NNP 39928 1634 36 's 's POS 39928 1634 37 popular popular JJ 39928 1634 38 account account NN 39928 1634 39 of of IN 39928 1634 40 it -PRON- PRP 39928 1634 41 in in IN 39928 1634 42 his -PRON- PRP$ 39928 1634 43 small small JJ 39928 1634 44 volume volume NN 39928 1634 45 , , , 39928 1634 46 _ _ NNP 39928 1634 47 Time Time NNP 39928 1634 48 and and CC 39928 1634 49 Tide Tide NNP 39928 1634 50 _ _ NNP 39928 1634 51 . . . 39928 1635 1 Briefly briefly RB 39928 1635 2 stated state VBD 39928 1635 3 , , , 39928 1635 4 it -PRON- PRP 39928 1635 5 is be VBZ 39928 1635 6 as as IN 39928 1635 7 follows follow VBZ 39928 1635 8 . . . 39928 1636 1 The the DT 39928 1636 2 tides tide NNS 39928 1636 3 produce produce VBP 39928 1636 4 friction friction NN 39928 1636 5 on on IN 39928 1636 6 the the DT 39928 1636 7 earth earth NN 39928 1636 8 and and CC 39928 1636 9 very very RB 39928 1636 10 slowly slowly RB 39928 1636 11 increase increase VBP 39928 1636 12 the the DT 39928 1636 13 length length NN 39928 1636 14 of of IN 39928 1636 15 our -PRON- PRP$ 39928 1636 16 day day NN 39928 1636 17 , , , 39928 1636 18 and and CC 39928 1636 19 also also RB 39928 1636 20 cause cause VB 39928 1636 21 the the DT 39928 1636 22 moon moon NN 39928 1636 23 to to TO 39928 1636 24 recede recede NNS 39928 1636 25 further further RB 39928 1636 26 from from IN 39928 1636 27 us -PRON- PRP 39928 1636 28 . . . 39928 1637 1 The the DT 39928 1637 2 day day NN 39928 1637 3 is be VBZ 39928 1637 4 lengthened lengthen VBN 39928 1637 5 only only RB 39928 1637 6 by by IN 39928 1637 7 a a DT 39928 1637 8 small small JJ 39928 1637 9 fraction fraction NN 39928 1637 10 of of IN 39928 1637 11 a a DT 39928 1637 12 second second JJ 39928 1637 13 in in IN 39928 1637 14 a a DT 39928 1637 15 thousand thousand CD 39928 1637 16 years year NNS 39928 1637 17 , , , 39928 1637 18 and and CC 39928 1637 19 the the DT 39928 1637 20 moon moon NN 39928 1637 21 is be VBZ 39928 1637 22 receding recede VBG 39928 1637 23 at at IN 39928 1637 24 an an DT 39928 1637 25 equally equally RB 39928 1637 26 imperceptible imperceptible JJ 39928 1637 27 rate rate NN 39928 1637 28 . . . 39928 1638 1 But but CC 39928 1638 2 as as IN 39928 1638 3 these these DT 39928 1638 4 forces force NNS 39928 1638 5 are be VBP 39928 1638 6 constant constant JJ 39928 1638 7 , , , 39928 1638 8 and and CC 39928 1638 9 have have VBP 39928 1638 10 always always RB 39928 1638 11 acted act VBN 39928 1638 12 on on IN 39928 1638 13 the the DT 39928 1638 14 earth earth NN 39928 1638 15 and and CC 39928 1638 16 moon moon NN 39928 1638 17 , , , 39928 1638 18 as as IN 39928 1638 19 we -PRON- PRP 39928 1638 20 go go VBP 39928 1638 21 back back RB 39928 1638 22 and and CC 39928 1638 23 back back RB 39928 1638 24 into into IN 39928 1638 25 the the DT 39928 1638 26 almost almost RB 39928 1638 27 infinite infinite JJ 39928 1638 28 past past IN 39928 1638 29 we -PRON- PRP 39928 1638 30 come come VBP 39928 1638 31 to to IN 39928 1638 32 a a DT 39928 1638 33 time time NN 39928 1638 34 when when WRB 39928 1638 35 the the DT 39928 1638 36 rotation rotation NN 39928 1638 37 of of IN 39928 1638 38 the the DT 39928 1638 39 earth earth NN 39928 1638 40 was be VBD 39928 1638 41 so so RB 39928 1638 42 rapid rapid JJ 39928 1638 43 that that IN 39928 1638 44 gravity gravity NN 39928 1638 45 at at IN 39928 1638 46 the the DT 39928 1638 47 equator equator NN 39928 1638 48 could could MD 39928 1638 49 hardly hardly RB 39928 1638 50 retain retain VB 39928 1638 51 its -PRON- PRP$ 39928 1638 52 outer outer JJ 39928 1638 53 portion portion NN 39928 1638 54 , , , 39928 1638 55 which which WDT 39928 1638 56 was be VBD 39928 1638 57 spread spread VBN 39928 1638 58 out out RP 39928 1638 59 so so IN 39928 1638 60 that that IN 39928 1638 61 the the DT 39928 1638 62 form form NN 39928 1638 63 of of IN 39928 1638 64 the the DT 39928 1638 65 whole whole JJ 39928 1638 66 mass mass NN 39928 1638 67 was be VBD 39928 1638 68 something something NN 39928 1638 69 like like IN 39928 1638 70 a a DT 39928 1638 71 cheese cheese NN 39928 1638 72 with with IN 39928 1638 73 rounded rounded JJ 39928 1638 74 edges edge NNS 39928 1638 75 . . . 39928 1639 1 And and CC 39928 1639 2 about about IN 39928 1639 3 the the DT 39928 1639 4 same same JJ 39928 1639 5 epoch epoch NN 39928 1639 6 the the DT 39928 1639 7 distance distance NN 39928 1639 8 of of IN 39928 1639 9 the the DT 39928 1639 10 moon moon NN 39928 1639 11 is be VBZ 39928 1639 12 found find VBN 39928 1639 13 to to TO 39928 1639 14 have have VB 39928 1639 15 been be VBN 39928 1639 16 so so RB 39928 1639 17 small small JJ 39928 1639 18 that that IN 39928 1639 19 it -PRON- PRP 39928 1639 20 was be VBD 39928 1639 21 actually actually RB 39928 1639 22 touching touch VBG 39928 1639 23 the the DT 39928 1639 24 earth earth NN 39928 1639 25 . . . 39928 1640 1 All all PDT 39928 1640 2 this this DT 39928 1640 3 is be VBZ 39928 1640 4 the the DT 39928 1640 5 result result NN 39928 1640 6 of of IN 39928 1640 7 mathematical mathematical JJ 39928 1640 8 calculation calculation NN 39928 1640 9 from from IN 39928 1640 10 the the DT 39928 1640 11 known known JJ 39928 1640 12 laws law NNS 39928 1640 13 of of IN 39928 1640 14 gravitation gravitation NN 39928 1640 15 and and CC 39928 1640 16 tidal tidal JJ 39928 1640 17 effects effect NNS 39928 1640 18 ; ; : 39928 1640 19 and and CC 39928 1640 20 as as IN 39928 1640 21 it -PRON- PRP 39928 1640 22 is be VBZ 39928 1640 23 difficult difficult JJ 39928 1640 24 to to TO 39928 1640 25 see see VB 39928 1640 26 how how WRB 39928 1640 27 so so RB 39928 1640 28 large large JJ 39928 1640 29 a a DT 39928 1640 30 body body NN 39928 1640 31 as as IN 39928 1640 32 the the DT 39928 1640 33 moon moon NN 39928 1640 34 could could MD 39928 1640 35 have have VB 39928 1640 36 originated originate VBN 39928 1640 37 in in IN 39928 1640 38 any any DT 39928 1640 39 other other JJ 39928 1640 40 way way NN 39928 1640 41 , , , 39928 1640 42 it -PRON- PRP 39928 1640 43 is be VBZ 39928 1640 44 supposed suppose VBN 39928 1640 45 that that IN 39928 1640 46 at at IN 39928 1640 47 a a DT 39928 1640 48 still still RB 39928 1640 49 earlier early JJR 39928 1640 50 period period NN 39928 1640 51 the the DT 39928 1640 52 moon moon NN 39928 1640 53 and and CC 39928 1640 54 earth earth NN 39928 1640 55 were be VBD 39928 1640 56 one one CD 39928 1640 57 , , , 39928 1640 58 and and CC 39928 1640 59 that that IN 39928 1640 60 the the DT 39928 1640 61 moon moon NN 39928 1640 62 separated separate VBD 39928 1640 63 from from IN 39928 1640 64 the the DT 39928 1640 65 parent parent NN 39928 1640 66 mass mass NN 39928 1640 67 owing owing NN 39928 1640 68 to to IN 39928 1640 69 centrifugal centrifugal JJ 39928 1640 70 force force NN 39928 1640 71 generated generate VBN 39928 1640 72 by by IN 39928 1640 73 the the DT 39928 1640 74 earth earth NN 39928 1640 75 's 's POS 39928 1640 76 rapid rapid JJ 39928 1640 77 rotation rotation NN 39928 1640 78 . . . 39928 1641 1 Whether whether IN 39928 1641 2 the the DT 39928 1641 3 earth earth NN 39928 1641 4 was be VBD 39928 1641 5 liquid liquid JJ 39928 1641 6 or or CC 39928 1641 7 solid solid JJ 39928 1641 8 at at IN 39928 1641 9 this this DT 39928 1641 10 epoch epoch NN 39928 1641 11 , , , 39928 1641 12 and and CC 39928 1641 13 exactly exactly RB 39928 1641 14 how how WRB 39928 1641 15 the the DT 39928 1641 16 separation separation NN 39928 1641 17 occurred occur VBD 39928 1641 18 , , , 39928 1641 19 is be VBZ 39928 1641 20 not not RB 39928 1641 21 explained explain VBN 39928 1641 22 either either CC 39928 1641 23 by by IN 39928 1641 24 Professor Professor NNP 39928 1641 25 Darwin Darwin NNP 39928 1641 26 or or CC 39928 1641 27 Sir Sir NNP 39928 1641 28 Robert Robert NNP 39928 1641 29 Ball Ball NNP 39928 1641 30 ; ; : 39928 1641 31 but but CC 39928 1641 32 it -PRON- PRP 39928 1641 33 is be VBZ 39928 1641 34 a a DT 39928 1641 35 very very RB 39928 1641 36 suggestive suggestive JJ 39928 1641 37 fact fact NN 39928 1641 38 that that IN 39928 1641 39 , , , 39928 1641 40 quite quite RB 39928 1641 41 recently recently RB 39928 1641 42 , , , 39928 1641 43 it -PRON- PRP 39928 1641 44 has have VBZ 39928 1641 45 been be VBN 39928 1641 46 shown show VBN 39928 1641 47 , , , 39928 1641 48 by by IN 39928 1641 49 means mean NNS 39928 1641 50 of of IN 39928 1641 51 the the DT 39928 1641 52 spectroscope spectroscope NN 39928 1641 53 , , , 39928 1641 54 that that IN 39928 1641 55 double double JJ 39928 1641 56 stars star NNS 39928 1641 57 of of IN 39928 1641 58 short short JJ 39928 1641 59 period period NN 39928 1641 60 _ _ NNP 39928 1641 61 do do VBP 39928 1641 62 _ _ NNP 39928 1641 63 originate originate VB 39928 1641 64 in in IN 39928 1641 65 this this DT 39928 1641 66 way way NN 39928 1641 67 from from IN 39928 1641 68 a a DT 39928 1641 69 single single JJ 39928 1641 70 star star NN 39928 1641 71 , , , 39928 1641 72 as as IN 39928 1641 73 already already RB 39928 1641 74 described describe VBN 39928 1641 75 in in IN 39928 1641 76 our -PRON- PRP$ 39928 1641 77 sixth sixth JJ 39928 1641 78 chapter chapter NN 39928 1641 79 ; ; : 39928 1641 80 but but CC 39928 1641 81 in in IN 39928 1641 82 these these DT 39928 1641 83 cases case NNS 39928 1641 84 it -PRON- PRP 39928 1641 85 seems seem VBZ 39928 1641 86 probable probable JJ 39928 1641 87 that that IN 39928 1641 88 the the DT 39928 1641 89 parent parent NN 39928 1641 90 star star NN 39928 1641 91 is be VBZ 39928 1641 92 in in IN 39928 1641 93 a a DT 39928 1641 94 gaseous gaseous JJ 39928 1641 95 state state NN 39928 1641 96 . . . 39928 1642 1 These these DT 39928 1642 2 investigations investigation NNS 39928 1642 3 of of IN 39928 1642 4 Professor Professor NNP 39928 1642 5 G. G. NNP 39928 1642 6 Darwin Darwin NNP 39928 1642 7 have have VBP 39928 1642 8 been be VBN 39928 1642 9 made make VBN 39928 1642 10 use use NN 39928 1642 11 of of IN 39928 1642 12 by by IN 39928 1642 13 the the DT 39928 1642 14 Rev. Rev. NNP 39928 1643 1 Osmond Osmond NNP 39928 1643 2 Fisher Fisher NNP 39928 1643 3 ( ( -LRB- 39928 1643 4 in in IN 39928 1643 5 his -PRON- PRP$ 39928 1643 6 very very RB 39928 1643 7 interesting interesting JJ 39928 1643 8 and and CC 39928 1643 9 important important JJ 39928 1643 10 work work NN 39928 1643 11 , , , 39928 1643 12 _ _ NNP 39928 1643 13 Physics Physics NNP 39928 1643 14 of of IN 39928 1643 15 the the DT 39928 1643 16 Earth Earth NNP 39928 1643 17 's 's POS 39928 1643 18 Crust Crust NNP 39928 1643 19 _ _ NNP 39928 1643 20 ) ) -RRB- 39928 1643 21 to to TO 39928 1643 22 account account VB 39928 1643 23 for for IN 39928 1643 24 the the DT 39928 1643 25 basins basin NNS 39928 1643 26 of of IN 39928 1643 27 the the DT 39928 1643 28 great great JJ 39928 1643 29 oceans ocean NNS 39928 1643 30 , , , 39928 1643 31 the the DT 39928 1643 32 Pacific Pacific NNP 39928 1643 33 being be VBG 39928 1643 34 the the DT 39928 1643 35 chasm chasm NN 39928 1643 36 left leave VBD 39928 1643 37 when when WRB 39928 1643 38 the the DT 39928 1643 39 larger large JJR 39928 1643 40 portion portion NN 39928 1643 41 of of IN 39928 1643 42 the the DT 39928 1643 43 mass mass NN 39928 1643 44 of of IN 39928 1643 45 the the DT 39928 1643 46 moon moon NN 39928 1643 47 parted part VBN 39928 1643 48 from from IN 39928 1643 49 the the DT 39928 1643 50 earth earth NN 39928 1643 51 . . . 39928 1644 1 Adopting adopt VBG 39928 1644 2 , , , 39928 1644 3 as as IN 39928 1644 4 I -PRON- PRP 39928 1644 5 do do VBP 39928 1644 6 , , , 39928 1644 7 the the DT 39928 1644 8 theory theory NN 39928 1644 9 of of IN 39928 1644 10 the the DT 39928 1644 11 origin origin NN 39928 1644 12 of of IN 39928 1644 13 the the DT 39928 1644 14 earth earth NN 39928 1644 15 by by IN 39928 1644 16 meteoric meteoric JJ 39928 1644 17 accretion accretion NN 39928 1644 18 of of IN 39928 1644 19 solid solid JJ 39928 1644 20 matter matter NN 39928 1644 21 , , , 39928 1644 22 we -PRON- PRP 39928 1644 23 must must MD 39928 1644 24 consider consider VB 39928 1644 25 our -PRON- PRP$ 39928 1644 26 planet planet NN 39928 1644 27 as as IN 39928 1644 28 having have VBG 39928 1644 29 been be VBN 39928 1644 30 produced produce VBN 39928 1644 31 from from IN 39928 1644 32 one one CD 39928 1644 33 of of IN 39928 1644 34 those those DT 39928 1644 35 vast vast JJ 39928 1644 36 rings ring NNS 39928 1644 37 of of IN 39928 1644 38 meteorites meteorite NNS 39928 1644 39 which which WDT 39928 1644 40 in in IN 39928 1644 41 great great JJ 39928 1644 42 numbers number NNS 39928 1644 43 still still RB 39928 1644 44 circulate circulate VBP 39928 1644 45 round round IN 39928 1644 46 the the DT 39928 1644 47 sun sun NN 39928 1644 48 , , , 39928 1644 49 but but CC 39928 1644 50 which which WDT 39928 1644 51 at at IN 39928 1644 52 the the DT 39928 1644 53 much much RB 39928 1644 54 earlier early JJR 39928 1644 55 period period NN 39928 1644 56 now now RB 39928 1644 57 contemplated contemplate VBN 39928 1644 58 were be VBD 39928 1644 59 both both DT 39928 1644 60 more more RBR 39928 1644 61 numerous numerous JJ 39928 1644 62 and and CC 39928 1644 63 much much RB 39928 1644 64 more more RBR 39928 1644 65 extensive extensive JJ 39928 1644 66 . . . 39928 1645 1 Owing owe VBG 39928 1645 2 to to IN 39928 1645 3 irregularities irregularity NNS 39928 1645 4 of of IN 39928 1645 5 distribution distribution NN 39928 1645 6 in in IN 39928 1645 7 such such PDT 39928 1645 8 a a DT 39928 1645 9 ring ring NN 39928 1645 10 and and CC 39928 1645 11 through through IN 39928 1645 12 disturbance disturbance NN 39928 1645 13 by by IN 39928 1645 14 other other JJ 39928 1645 15 bodies body NNS 39928 1645 16 , , , 39928 1645 17 aggregations aggregation NNS 39928 1645 18 of of IN 39928 1645 19 various various JJ 39928 1645 20 size size NN 39928 1645 21 would would MD 39928 1645 22 inevitably inevitably RB 39928 1645 23 occur occur VB 39928 1645 24 , , , 39928 1645 25 and and CC 39928 1645 26 the the DT 39928 1645 27 largest large JJS 39928 1645 28 of of IN 39928 1645 29 these these DT 39928 1645 30 would would MD 39928 1645 31 in in IN 39928 1645 32 time time NN 39928 1645 33 draw draw VB 39928 1645 34 in in RP 39928 1645 35 to to IN 39928 1645 36 itself -PRON- PRP 39928 1645 37 all all PDT 39928 1645 38 the the DT 39928 1645 39 rest rest NN 39928 1645 40 , , , 39928 1645 41 and and CC 39928 1645 42 thus thus RB 39928 1645 43 form form VB 39928 1645 44 a a DT 39928 1645 45 planet planet NN 39928 1645 46 . . . 39928 1646 1 During during IN 39928 1646 2 the the DT 39928 1646 3 early early JJ 39928 1646 4 stages stage NNS 39928 1646 5 of of IN 39928 1646 6 this this DT 39928 1646 7 process process NN 39928 1646 8 the the DT 39928 1646 9 particles particle NNS 39928 1646 10 would would MD 39928 1646 11 be be VB 39928 1646 12 so so RB 39928 1646 13 small small JJ 39928 1646 14 and and CC 39928 1646 15 would would MD 39928 1646 16 come come VB 39928 1646 17 together together RB 39928 1646 18 so so RB 39928 1646 19 gradually gradually RB 39928 1646 20 , , , 39928 1646 21 that that IN 39928 1646 22 little little JJ 39928 1646 23 heat heat NN 39928 1646 24 would would MD 39928 1646 25 be be VB 39928 1646 26 produced produce VBN 39928 1646 27 , , , 39928 1646 28 and and CC 39928 1646 29 there there EX 39928 1646 30 would would MD 39928 1646 31 result result VB 39928 1646 32 merely merely RB 39928 1646 33 a a DT 39928 1646 34 loose loose JJ 39928 1646 35 aggregation aggregation NN 39928 1646 36 of of IN 39928 1646 37 cold cold JJ 39928 1646 38 matter matter NN 39928 1646 39 . . . 39928 1647 1 But but CC 39928 1647 2 as as IN 39928 1647 3 the the DT 39928 1647 4 process process NN 39928 1647 5 went go VBD 39928 1647 6 on on RP 39928 1647 7 and and CC 39928 1647 8 the the DT 39928 1647 9 mass mass NN 39928 1647 10 of of IN 39928 1647 11 the the DT 39928 1647 12 incipient incipient JJ 39928 1647 13 planet planet NN 39928 1647 14 became become VBD 39928 1647 15 considerable considerable JJ 39928 1647 16 -- -- : 39928 1647 17 perhaps perhaps RB 39928 1647 18 half half PDT 39928 1647 19 that that DT 39928 1647 20 of of IN 39928 1647 21 the the DT 39928 1647 22 earth earth NN 39928 1647 23 -- -- : 39928 1647 24 the the DT 39928 1647 25 rest rest NN 39928 1647 26 of of IN 39928 1647 27 the the DT 39928 1647 28 ring ring NN 39928 1647 29 would would MD 39928 1647 30 fall fall VB 39928 1647 31 in in RP 39928 1647 32 with with IN 39928 1647 33 greater great JJR 39928 1647 34 and and CC 39928 1647 35 greater great JJR 39928 1647 36 velocity velocity NN 39928 1647 37 ; ; : 39928 1647 38 and and CC 39928 1647 39 this this DT 39928 1647 40 , , , 39928 1647 41 added add VBD 39928 1647 42 to to IN 39928 1647 43 the the DT 39928 1647 44 gravitative gravitative JJ 39928 1647 45 compression compression NN 39928 1647 46 of of IN 39928 1647 47 the the DT 39928 1647 48 growing grow VBG 39928 1647 49 mass mass NN 39928 1647 50 might might NN 39928 1647 51 , , , 39928 1647 52 when when WRB 39928 1647 53 nearly nearly RB 39928 1647 54 its -PRON- PRP$ 39928 1647 55 present present JJ 39928 1647 56 size size NN 39928 1647 57 , , , 39928 1647 58 have have VBP 39928 1647 59 produced produce VBN 39928 1647 60 sufficient sufficient JJ 39928 1647 61 heat heat NN 39928 1647 62 to to TO 39928 1647 63 liquefy liquefy VB 39928 1647 64 the the DT 39928 1647 65 outer outer JJ 39928 1647 66 layers layer NNS 39928 1647 67 , , , 39928 1647 68 while while IN 39928 1647 69 the the DT 39928 1647 70 central central JJ 39928 1647 71 portion portion NN 39928 1647 72 remained remain VBD 39928 1647 73 solid solid JJ 39928 1647 74 and and CC 39928 1647 75 to to IN 39928 1647 76 some some DT 39928 1647 77 extent extent NN 39928 1647 78 incoherent incoherent JJ 39928 1647 79 , , , 39928 1647 80 with with IN 39928 1647 81 probably probably RB 39928 1647 82 large large JJ 39928 1647 83 quantities quantity NNS 39928 1647 84 of of IN 39928 1647 85 heavy heavy JJ 39928 1647 86 gases gas NNS 39928 1647 87 in in IN 39928 1647 88 the the DT 39928 1647 89 interstices interstice NNS 39928 1647 90 . . . 39928 1648 1 When when WRB 39928 1648 2 the the DT 39928 1648 3 amount amount NN 39928 1648 4 of of IN 39928 1648 5 the the DT 39928 1648 6 meteoric meteoric JJ 39928 1648 7 accretions accretion NNS 39928 1648 8 became become VBD 39928 1648 9 so so RB 39928 1648 10 reduced reduced JJ 39928 1648 11 as as IN 39928 1648 12 to to TO 39928 1648 13 be be VB 39928 1648 14 insufficient insufficient JJ 39928 1648 15 to to TO 39928 1648 16 keep keep VB 39928 1648 17 up up RP 39928 1648 18 the the DT 39928 1648 19 heat heat NN 39928 1648 20 to to IN 39928 1648 21 the the DT 39928 1648 22 melting melting NN 39928 1648 23 - - HYPH 39928 1648 24 point point NN 39928 1648 25 , , , 39928 1648 26 a a DT 39928 1648 27 crust crust NN 39928 1648 28 would would MD 39928 1648 29 form form VB 39928 1648 30 , , , 39928 1648 31 and and CC 39928 1648 32 might may MD 39928 1648 33 have have VB 39928 1648 34 reached reach VBN 39928 1648 35 about about RB 39928 1648 36 half half NN 39928 1648 37 or or CC 39928 1648 38 three three CD 39928 1648 39 - - HYPH 39928 1648 40 fourths fourth NNS 39928 1648 41 of of IN 39928 1648 42 its -PRON- PRP$ 39928 1648 43 present present JJ 39928 1648 44 thickness thickness NN 39928 1648 45 when when WRB 39928 1648 46 the the DT 39928 1648 47 moon moon NN 39928 1648 48 became become VBD 39928 1648 49 separated separated JJ 39928 1648 50 . . . 39928 1649 1 Let let VB 39928 1649 2 us -PRON- PRP 39928 1649 3 now now RB 39928 1649 4 try try VB 39928 1649 5 to to TO 39928 1649 6 picture picture VB 39928 1649 7 to to IN 39928 1649 8 ourselves -PRON- PRP 39928 1649 9 what what WP 39928 1649 10 happened happen VBD 39928 1649 11 . . . 39928 1650 1 We -PRON- PRP 39928 1650 2 should should MD 39928 1650 3 have have VB 39928 1650 4 a a DT 39928 1650 5 globe globe NN 39928 1650 6 somewhat somewhat RB 39928 1650 7 larger large JJR 39928 1650 8 than than IN 39928 1650 9 our -PRON- PRP$ 39928 1650 10 earth earth NN 39928 1650 11 is be VBZ 39928 1650 12 now now RB 39928 1650 13 , , , 39928 1650 14 both both CC 39928 1650 15 because because IN 39928 1650 16 it -PRON- PRP 39928 1650 17 then then RB 39928 1650 18 contained contain VBD 39928 1650 19 the the DT 39928 1650 20 material material NN 39928 1650 21 of of IN 39928 1650 22 the the DT 39928 1650 23 moon moon NN 39928 1650 24 and and CC 39928 1650 25 also also RB 39928 1650 26 because because IN 39928 1650 27 it -PRON- PRP 39928 1650 28 was be VBD 39928 1650 29 hotter hot JJR 39928 1650 30 , , , 39928 1650 31 revolving revolve VBG 39928 1650 32 so so RB 39928 1650 33 rapidly rapidly RB 39928 1650 34 as as IN 39928 1650 35 to to TO 39928 1650 36 be be VB 39928 1650 37 very very RB 39928 1650 38 greatly greatly RB 39928 1650 39 flattened flatten VBN 39928 1650 40 at at IN 39928 1650 41 the the DT 39928 1650 42 poles pole NNS 39928 1650 43 ; ; : 39928 1650 44 while while IN 39928 1650 45 the the DT 39928 1650 46 equatorial equatorial JJ 39928 1650 47 belt belt NN 39928 1650 48 bulged bulge VBD 39928 1650 49 out out RP 39928 1650 50 enormously enormously RB 39928 1650 51 , , , 39928 1650 52 and and CC 39928 1650 53 would would MD 39928 1650 54 probably probably RB 39928 1650 55 have have VB 39928 1650 56 separated separate VBN 39928 1650 57 in in IN 39928 1650 58 the the DT 39928 1650 59 form form NN 39928 1650 60 of of IN 39928 1650 61 a a DT 39928 1650 62 ring ring NN 39928 1650 63 with with IN 39928 1650 64 a a DT 39928 1650 65 very very RB 39928 1650 66 slight slight JJ 39928 1650 67 increase increase NN 39928 1650 68 of of IN 39928 1650 69 the the DT 39928 1650 70 time time NN 39928 1650 71 of of IN 39928 1650 72 rotation rotation NN 39928 1650 73 , , , 39928 1650 74 which which WDT 39928 1650 75 is be VBZ 39928 1650 76 supposed suppose VBN 39928 1650 77 to to TO 39928 1650 78 have have VB 39928 1650 79 been be VBN 39928 1650 80 about about RB 39928 1650 81 four four CD 39928 1650 82 hours hour NNS 39928 1650 83 . . . 39928 1651 1 This this DT 39928 1651 2 globe globe NN 39928 1651 3 would would MD 39928 1651 4 have have VB 39928 1651 5 a a DT 39928 1651 6 comparatively comparatively RB 39928 1651 7 thin thin JJ 39928 1651 8 crust crust NN 39928 1651 9 , , , 39928 1651 10 beneath beneath IN 39928 1651 11 which which WDT 39928 1651 12 there there EX 39928 1651 13 was be VBD 39928 1651 14 molten molten JJ 39928 1651 15 rock rock NN 39928 1651 16 to to IN 39928 1651 17 an an DT 39928 1651 18 unknown unknown JJ 39928 1651 19 depth depth NN 39928 1651 20 , , , 39928 1651 21 perhaps perhaps RB 39928 1651 22 a a DT 39928 1651 23 few few JJ 39928 1651 24 hundreds hundred NNS 39928 1651 25 , , , 39928 1651 26 perhaps perhaps RB 39928 1651 27 more more JJR 39928 1651 28 than than IN 39928 1651 29 a a DT 39928 1651 30 thousand thousand CD 39928 1651 31 miles mile NNS 39928 1651 32 . . . 39928 1652 1 At at IN 39928 1652 2 this this DT 39928 1652 3 time time NN 39928 1652 4 the the DT 39928 1652 5 attraction attraction NN 39928 1652 6 of of IN 39928 1652 7 the the DT 39928 1652 8 sun sun NN 39928 1652 9 acting act VBG 39928 1652 10 on on IN 39928 1652 11 the the DT 39928 1652 12 molten molten JJ 39928 1652 13 interior interior NN 39928 1652 14 produced produce VBN 39928 1652 15 tides tide NNS 39928 1652 16 in in IN 39928 1652 17 it -PRON- PRP 39928 1652 18 , , , 39928 1652 19 causing cause VBG 39928 1652 20 the the DT 39928 1652 21 thin thin JJ 39928 1652 22 crust crust NN 39928 1652 23 to to TO 39928 1652 24 rise rise VB 39928 1652 25 and and CC 39928 1652 26 fall fall VB 39928 1652 27 every every DT 39928 1652 28 two two CD 39928 1652 29 hours hour NNS 39928 1652 30 , , , 39928 1652 31 but but CC 39928 1652 32 to to IN 39928 1652 33 so so RB 39928 1652 34 small small JJ 39928 1652 35 an an DT 39928 1652 36 extent extent NN 39928 1652 37 -- -- : 39928 1652 38 only only RB 39928 1652 39 about about IN 39928 1652 40 a a DT 39928 1652 41 foot foot NN 39928 1652 42 or or CC 39928 1652 43 so so RB 39928 1652 44 -- -- : 39928 1652 45 as as IN 39928 1652 46 not not RB 39928 1652 47 necessarily necessarily RB 39928 1652 48 to to TO 39928 1652 49 fracture fracture VB 39928 1652 50 it -PRON- PRP 39928 1652 51 ; ; : 39928 1652 52 but but CC 39928 1652 53 it -PRON- PRP 39928 1652 54 is be VBZ 39928 1652 55 calculated calculate VBN 39928 1652 56 that that IN 39928 1652 57 this this DT 39928 1652 58 slight slight JJ 39928 1652 59 rhythmic rhythmic JJ 39928 1652 60 undulation undulation NN 39928 1652 61 coincided coincide VBN 39928 1652 62 with with IN 39928 1652 63 the the DT 39928 1652 64 normal normal JJ 39928 1652 65 period period NN 39928 1652 66 of of IN 39928 1652 67 undulation undulation NN 39928 1652 68 due due JJ 39928 1652 69 to to IN 39928 1652 70 such such PDT 39928 1652 71 a a DT 39928 1652 72 large large JJ 39928 1652 73 mass mass NN 39928 1652 74 of of IN 39928 1652 75 heavy heavy JJ 39928 1652 76 liquid liquid NN 39928 1652 77 , , , 39928 1652 78 and and CC 39928 1652 79 so so RB 39928 1652 80 tended tend VBD 39928 1652 81 to to TO 39928 1652 82 increase increase VB 39928 1652 83 the the DT 39928 1652 84 instability instability NN 39928 1652 85 due due IN 39928 1652 86 to to IN 39928 1652 87 rapid rapid JJ 39928 1652 88 rotation rotation NN 39928 1652 89 . . . 39928 1653 1 The the DT 39928 1653 2 bulk bulk NN 39928 1653 3 of of IN 39928 1653 4 the the DT 39928 1653 5 moon moon NN 39928 1653 6 is be VBZ 39928 1653 7 about about RB 39928 1653 8 one one CD 39928 1653 9 - - HYPH 39928 1653 10 fiftieth fiftieth NN 39928 1653 11 part part NN 39928 1653 12 that that DT 39928 1653 13 of of IN 39928 1653 14 the the DT 39928 1653 15 earth earth NN 39928 1653 16 , , , 39928 1653 17 and and CC 39928 1653 18 an an DT 39928 1653 19 easy easy JJ 39928 1653 20 calculation calculation NN 39928 1653 21 shows show VBZ 39928 1653 22 us -PRON- PRP 39928 1653 23 that that IN 39928 1653 24 , , , 39928 1653 25 taking take VBG 39928 1653 26 the the DT 39928 1653 27 area area NN 39928 1653 28 of of IN 39928 1653 29 the the DT 39928 1653 30 Pacific Pacific NNP 39928 1653 31 , , , 39928 1653 32 Atlantic Atlantic NNP 39928 1653 33 , , , 39928 1653 34 and and CC 39928 1653 35 Indian Indian NNP 39928 1653 36 Oceans Oceans NNPS 39928 1653 37 combined combine VBN 39928 1653 38 as as IN 39928 1653 39 about about RB 39928 1653 40 two two CD 39928 1653 41 - - HYPH 39928 1653 42 thirds third NNS 39928 1653 43 that that DT 39928 1653 44 of of IN 39928 1653 45 the the DT 39928 1653 46 globe globe NN 39928 1653 47 , , , 39928 1653 48 it -PRON- PRP 39928 1653 49 would would MD 39928 1653 50 require require VB 39928 1653 51 a a DT 39928 1653 52 thickness thickness NN 39928 1653 53 ( ( -LRB- 39928 1653 54 or or CC 39928 1653 55 depth depth NN 39928 1653 56 ) ) -RRB- 39928 1653 57 of of IN 39928 1653 58 about about RB 39928 1653 59 forty forty NN 39928 1653 60 miles mile NNS 39928 1653 61 to to TO 39928 1653 62 furnish furnish VB 39928 1653 63 the the DT 39928 1653 64 material material NN 39928 1653 65 for for IN 39928 1653 66 the the DT 39928 1653 67 moon moon NN 39928 1653 68 . . . 39928 1654 1 We -PRON- PRP 39928 1654 2 must must MD 39928 1654 3 , , , 39928 1654 4 of of IN 39928 1654 5 course course NN 39928 1654 6 , , , 39928 1654 7 assume assume VBP 39928 1654 8 that that IN 39928 1654 9 there there EX 39928 1654 10 were be VBD 39928 1654 11 some some DT 39928 1654 12 inequalities inequality NNS 39928 1654 13 in in IN 39928 1654 14 the the DT 39928 1654 15 thickness thickness NN 39928 1654 16 of of IN 39928 1654 17 the the DT 39928 1654 18 crust crust NN 39928 1654 19 and and CC 39928 1654 20 in in IN 39928 1654 21 its -PRON- PRP$ 39928 1654 22 comparative comparative JJ 39928 1654 23 rigidity rigidity NN 39928 1654 24 , , , 39928 1654 25 so so IN 39928 1654 26 that that IN 39928 1654 27 when when WRB 39928 1654 28 the the DT 39928 1654 29 critical critical JJ 39928 1654 30 moment moment NN 39928 1654 31 came come VBD 39928 1654 32 and and CC 39928 1654 33 the the DT 39928 1654 34 earth earth NN 39928 1654 35 could could MD 39928 1654 36 no no RB 39928 1654 37 longer long RBR 39928 1654 38 retain retain VB 39928 1654 39 its -PRON- PRP$ 39928 1654 40 equatorial equatorial JJ 39928 1654 41 protuberance protuberance NN 39928 1654 42 against against IN 39928 1654 43 the the DT 39928 1654 44 centrifugal centrifugal JJ 39928 1654 45 force force NN 39928 1654 46 due due IN 39928 1654 47 to to IN 39928 1654 48 rotation rotation NN 39928 1654 49 combined combine VBN 39928 1654 50 with with IN 39928 1654 51 the the DT 39928 1654 52 tidal tidal JJ 39928 1654 53 undulations undulation NNS 39928 1654 54 caused cause VBN 39928 1654 55 by by IN 39928 1654 56 the the DT 39928 1654 57 sun sun NN 39928 1654 58 , , , 39928 1654 59 instead instead RB 39928 1654 60 of of IN 39928 1654 61 a a DT 39928 1654 62 continuous continuous JJ 39928 1654 63 ring ring NN 39928 1654 64 slowly slowly RB 39928 1654 65 detaching detach VBG 39928 1654 66 itself -PRON- PRP 39928 1654 67 , , , 39928 1654 68 the the DT 39928 1654 69 crust crust NN 39928 1654 70 gave give VBD 39928 1654 71 way way NN 39928 1654 72 in in IN 39928 1654 73 two two CD 39928 1654 74 or or CC 39928 1654 75 more more JJR 39928 1654 76 great great JJ 39928 1654 77 masses masse NNS 39928 1654 78 where where WRB 39928 1654 79 it -PRON- PRP 39928 1654 80 was be VBD 39928 1654 81 weakest weak JJS 39928 1654 82 , , , 39928 1654 83 and and CC 39928 1654 84 as as IN 39928 1654 85 the the DT 39928 1654 86 tidal tidal JJ 39928 1654 87 wave wave NN 39928 1654 88 passed pass VBD 39928 1654 89 under under IN 39928 1654 90 it -PRON- PRP 39928 1654 91 and and CC 39928 1654 92 a a DT 39928 1654 93 quantity quantity NN 39928 1654 94 of of IN 39928 1654 95 the the DT 39928 1654 96 liquid liquid JJ 39928 1654 97 substratum substratum NN 39928 1654 98 rose rise VBD 39928 1654 99 with with IN 39928 1654 100 it -PRON- PRP 39928 1654 101 , , , 39928 1654 102 the the DT 39928 1654 103 whole whole NN 39928 1654 104 would would MD 39928 1654 105 break break VB 39928 1654 106 up up RP 39928 1654 107 and and CC 39928 1654 108 collect collect VB 39928 1654 109 into into IN 39928 1654 110 a a DT 39928 1654 111 sub sub JJ 39928 1654 112 - - JJ 39928 1654 113 globular globular JJ 39928 1654 114 mass mass NN 39928 1654 115 a a DT 39928 1654 116 short short JJ 39928 1654 117 distance distance NN 39928 1654 118 from from IN 39928 1654 119 the the DT 39928 1654 120 earth earth NN 39928 1654 121 , , , 39928 1654 122 and and CC 39928 1654 123 continue continue VB 39928 1654 124 revolving revolve VBG 39928 1654 125 with with IN 39928 1654 126 it -PRON- PRP 39928 1654 127 for for IN 39928 1654 128 some some DT 39928 1654 129 time time NN 39928 1654 130 at at IN 39928 1654 131 about about IN 39928 1654 132 the the DT 39928 1654 133 same same JJ 39928 1654 134 rate rate NN 39928 1654 135 as as IN 39928 1654 136 the the DT 39928 1654 137 surface surface NN 39928 1654 138 had have VBD 39928 1654 139 rotated rotate VBN 39928 1654 140 . . . 39928 1655 1 But but CC 39928 1655 2 as as IN 39928 1655 3 tidal tidal JJ 39928 1655 4 action action NN 39928 1655 5 is be VBZ 39928 1655 6 always always RB 39928 1655 7 equal equal JJ 39928 1655 8 on on IN 39928 1655 9 opposite opposite JJ 39928 1655 10 sides side NNS 39928 1655 11 of of IN 39928 1655 12 a a DT 39928 1655 13 globe globe NN 39928 1655 14 , , , 39928 1655 15 there there EX 39928 1655 16 would would MD 39928 1655 17 be be VB 39928 1655 18 a a DT 39928 1655 19 similar similar JJ 39928 1655 20 disruption disruption NN 39928 1655 21 there there RB 39928 1655 22 , , , 39928 1655 23 forming form VBG 39928 1655 24 , , , 39928 1655 25 it -PRON- PRP 39928 1655 26 may may MD 39928 1655 27 be be VB 39928 1655 28 supposed suppose VBN 39928 1655 29 , , , 39928 1655 30 the the DT 39928 1655 31 Atlantic Atlantic NNP 39928 1655 32 basin basin NN 39928 1655 33 , , , 39928 1655 34 which which WDT 39928 1655 35 , , , 39928 1655 36 as as IN 39928 1655 37 may may MD 39928 1655 38 be be VB 39928 1655 39 seen see VBN 39928 1655 40 on on IN 39928 1655 41 a a DT 39928 1655 42 small small JJ 39928 1655 43 globe globe NN 39928 1655 44 , , , 39928 1655 45 is be VBZ 39928 1655 46 almost almost RB 39928 1655 47 exactly exactly RB 39928 1655 48 opposite opposite JJ 39928 1655 49 a a DT 39928 1655 50 part part NN 39928 1655 51 of of IN 39928 1655 52 the the DT 39928 1655 53 Central Central NNP 39928 1655 54 Pacific Pacific NNP 39928 1655 55 . . . 39928 1656 1 So so RB 39928 1656 2 soon soon RB 39928 1656 3 as as IN 39928 1656 4 these these DT 39928 1656 5 two two CD 39928 1656 6 great great JJ 39928 1656 7 masses masse NNS 39928 1656 8 had have VBD 39928 1656 9 separated separate VBN 39928 1656 10 from from IN 39928 1656 11 the the DT 39928 1656 12 earth earth NN 39928 1656 13 , , , 39928 1656 14 the the DT 39928 1656 15 latter latter JJ 39928 1656 16 would would MD 39928 1656 17 gradually gradually RB 39928 1656 18 settle settle VB 39928 1656 19 down down RP 39928 1656 20 into into IN 39928 1656 21 a a DT 39928 1656 22 state state NN 39928 1656 23 of of IN 39928 1656 24 equilibrium equilibrium NN 39928 1656 25 , , , 39928 1656 26 and and CC 39928 1656 27 the the DT 39928 1656 28 molten molten JJ 39928 1656 29 matter matter NN 39928 1656 30 of of IN 39928 1656 31 the the DT 39928 1656 32 interior interior NN 39928 1656 33 , , , 39928 1656 34 which which WDT 39928 1656 35 would would MD 39928 1656 36 now now RB 39928 1656 37 fill fill VB 39928 1656 38 the the DT 39928 1656 39 great great JJ 39928 1656 40 oceanic oceanic JJ 39928 1656 41 basins basin NNS 39928 1656 42 up up IN 39928 1656 43 to to IN 39928 1656 44 a a DT 39928 1656 45 level level NN 39928 1656 46 of of IN 39928 1656 47 a a DT 39928 1656 48 few few JJ 39928 1656 49 mile mile NN 39928 1656 50 below below IN 39928 1656 51 the the DT 39928 1656 52 general general JJ 39928 1656 53 surface surface NN 39928 1656 54 would would MD 39928 1656 55 soon soon RB 39928 1656 56 cool cool VB 39928 1656 57 enough enough RB 39928 1656 58 to to TO 39928 1656 59 form form VB 39928 1656 60 a a DT 39928 1656 61 thin thin JJ 39928 1656 62 crust crust NN 39928 1656 63 . . . 39928 1657 1 The the DT 39928 1657 2 larger large JJR 39928 1657 3 portion portion NN 39928 1657 4 of of IN 39928 1657 5 the the DT 39928 1657 6 nascent nascent JJ 39928 1657 7 moon moon NN 39928 1657 8 would would MD 39928 1657 9 gradually gradually RB 39928 1657 10 attract attract VB 39928 1657 11 to to IN 39928 1657 12 itself -PRON- PRP 39928 1657 13 the the DT 39928 1657 14 one one CD 39928 1657 15 or or CC 39928 1657 16 more more JJR 39928 1657 17 smaller small JJR 39928 1657 18 portions portion NNS 39928 1657 19 and and CC 39928 1657 20 form form VB 39928 1657 21 our -PRON- PRP$ 39928 1657 22 satellite satellite NN 39928 1657 23 ; ; : 39928 1657 24 and and CC 39928 1657 25 from from IN 39928 1657 26 that that DT 39928 1657 27 time time NN 39928 1657 28 tidal tidal JJ 39928 1657 29 friction friction NN 39928 1657 30 by by IN 39928 1657 31 both both DT 39928 1657 32 moon moon NN 39928 1657 33 and and CC 39928 1657 34 sun sun NN 39928 1657 35 would would MD 39928 1657 36 begin begin VB 39928 1657 37 to to TO 39928 1657 38 operate operate VB 39928 1657 39 and and CC 39928 1657 40 would would MD 39928 1657 41 gradually gradually RB 39928 1657 42 lengthen lengthen VB 39928 1657 43 our -PRON- PRP$ 39928 1657 44 day day NN 39928 1657 45 and and CC 39928 1657 46 , , , 39928 1657 47 more more RBR 39928 1657 48 rapidly rapidly RB 39928 1657 49 , , , 39928 1657 50 our -PRON- PRP$ 39928 1657 51 month month NN 39928 1657 52 in in IN 39928 1657 53 the the DT 39928 1657 54 way way NN 39928 1657 55 explained explain VBN 39928 1657 56 in in IN 39928 1657 57 Sir Sir NNP 39928 1657 58 Robert Robert NNP 39928 1657 59 Ball Ball NNP 39928 1657 60 's 's POS 39928 1657 61 volume volume NN 39928 1657 62 . . . 39928 1658 1 A a DT 39928 1658 2 very very RB 39928 1658 3 interesting interesting JJ 39928 1658 4 point point NN 39928 1658 5 may may MD 39928 1658 6 now now RB 39928 1658 7 be be VB 39928 1658 8 referred refer VBN 39928 1658 9 to to IN 39928 1658 10 , , , 39928 1658 11 because because IN 39928 1658 12 it -PRON- PRP 39928 1658 13 seems seem VBZ 39928 1658 14 confirmatory confirmatory RB 39928 1658 15 of of IN 39928 1658 16 this this DT 39928 1658 17 origin origin NN 39928 1658 18 of of IN 39928 1658 19 the the DT 39928 1658 20 great great NNP 39928 1658 21 ocean ocean NN 39928 1658 22 basins basin NNS 39928 1658 23 . . . 39928 1659 1 In in IN 39928 1659 2 Mr. Mr. NNP 39928 1659 3 Osmond Osmond NNP 39928 1659 4 Fisher Fisher NNP 39928 1659 5 's 's POS 39928 1659 6 work work NN 39928 1659 7 it -PRON- PRP 39928 1659 8 is be VBZ 39928 1659 9 explained explain VBN 39928 1659 10 how how WRB 39928 1659 11 the the DT 39928 1659 12 variations variation NNS 39928 1659 13 in in IN 39928 1659 14 the the DT 39928 1659 15 force force NN 39928 1659 16 of of IN 39928 1659 17 gravity gravity NN 39928 1659 18 , , , 39928 1659 19 at at IN 39928 1659 20 numerous numerous JJ 39928 1659 21 points point NNS 39928 1659 22 all all RB 39928 1659 23 over over IN 39928 1659 24 the the DT 39928 1659 25 world world NN 39928 1659 26 , , , 39928 1659 27 have have VBP 39928 1659 28 been be VBN 39928 1659 29 determined determine VBN 39928 1659 30 by by IN 39928 1659 31 observations observation NNS 39928 1659 32 with with IN 39928 1659 33 the the DT 39928 1659 34 pendulum pendulum NN 39928 1659 35 , , , 39928 1659 36 and and CC 39928 1659 37 also also RB 39928 1659 38 how how WRB 39928 1659 39 these these DT 39928 1659 40 variations variation NNS 39928 1659 41 afford afford VBP 39928 1659 42 a a DT 39928 1659 43 measure measure NN 39928 1659 44 of of IN 39928 1659 45 the the DT 39928 1659 46 thickness thickness NN 39928 1659 47 of of IN 39928 1659 48 the the DT 39928 1659 49 solid solid JJ 39928 1659 50 crust crust NN 39928 1659 51 , , , 39928 1659 52 which which WDT 39928 1659 53 is be VBZ 39928 1659 54 of of IN 39928 1659 55 less less RBR 39928 1659 56 specific specific JJ 39928 1659 57 gravity gravity NN 39928 1659 58 than than IN 39928 1659 59 the the DT 39928 1659 60 molten molten JJ 39928 1659 61 interior interior NN 39928 1659 62 on on IN 39928 1659 63 which which WDT 39928 1659 64 it -PRON- PRP 39928 1659 65 rests rest VBZ 39928 1659 66 . . . 39928 1660 1 By by IN 39928 1660 2 this this DT 39928 1660 3 means mean VBZ 39928 1660 4 a a DT 39928 1660 5 very very RB 39928 1660 6 interesting interesting JJ 39928 1660 7 result result NN 39928 1660 8 was be VBD 39928 1660 9 obtained obtain VBN 39928 1660 10 . . . 39928 1661 1 The the DT 39928 1661 2 observations observation NNS 39928 1661 3 on on IN 39928 1661 4 numerous numerous JJ 39928 1661 5 oceanic oceanic JJ 39928 1661 6 islands island NNS 39928 1661 7 proved prove VBD 39928 1661 8 that that IN 39928 1661 9 the the DT 39928 1661 10 sub sub JJ 39928 1661 11 - - JJ 39928 1661 12 oceanic oceanic JJ 39928 1661 13 crust crust NN 39928 1661 14 was be VBD 39928 1661 15 considerably considerably RB 39928 1661 16 more more RBR 39928 1661 17 dense dense JJ 39928 1661 18 than than IN 39928 1661 19 the the DT 39928 1661 20 crust crust NN 39928 1661 21 under under IN 39928 1661 22 the the DT 39928 1661 23 continents continent NNS 39928 1661 24 , , , 39928 1661 25 but but CC 39928 1661 26 also also RB 39928 1661 27 thinner thin JJR 39928 1661 28 , , , 39928 1661 29 the the DT 39928 1661 30 result result NN 39928 1661 31 being be VBG 39928 1661 32 to to TO 39928 1661 33 bring bring VB 39928 1661 34 the the DT 39928 1661 35 average average JJ 39928 1661 36 mass mass NN 39928 1661 37 of of IN 39928 1661 38 the the DT 39928 1661 39 sub sub JJ 39928 1661 40 - - JJ 39928 1661 41 oceanic oceanic JJ 39928 1661 42 crust crust NN 39928 1661 43 and and CC 39928 1661 44 oceans ocean NNS 39928 1661 45 to to IN 39928 1661 46 an an DT 39928 1661 47 equality equality NN 39928 1661 48 with with IN 39928 1661 49 that that DT 39928 1661 50 of of IN 39928 1661 51 the the DT 39928 1661 52 continental continental JJ 39928 1661 53 crust crust NN 39928 1661 54 , , , 39928 1661 55 and and CC 39928 1661 56 this this DT 39928 1661 57 causes cause VBZ 39928 1661 58 the the DT 39928 1661 59 whirling whirl VBG 39928 1661 60 earth earth NN 39928 1661 61 to to TO 39928 1661 62 be be VB 39928 1661 63 in in IN 39928 1661 64 a a DT 39928 1661 65 state state NN 39928 1661 66 of of IN 39928 1661 67 balance balance NN 39928 1661 68 , , , 39928 1661 69 or or CC 39928 1661 70 equilibrium equilibrium NN 39928 1661 71 . . . 39928 1662 1 Now now RB 39928 1662 2 , , , 39928 1662 3 both both CC 39928 1662 4 the the DT 39928 1662 5 thinness thinness NN 39928 1662 6 and and CC 39928 1662 7 the the DT 39928 1662 8 increased increased JJ 39928 1662 9 density density NN 39928 1662 10 of of IN 39928 1662 11 the the DT 39928 1662 12 crust crust NN 39928 1662 13 seem seem VBP 39928 1662 14 to to TO 39928 1662 15 be be VB 39928 1662 16 well well RB 39928 1662 17 explained explain VBN 39928 1662 18 by by IN 39928 1662 19 this this DT 39928 1662 20 theory theory NN 39928 1662 21 of of IN 39928 1662 22 the the DT 39928 1662 23 origin origin NN 39928 1662 24 of of IN 39928 1662 25 the the DT 39928 1662 26 oceanic oceanic JJ 39928 1662 27 basins basin NNS 39928 1662 28 . . . 39928 1663 1 The the DT 39928 1663 2 new new JJ 39928 1663 3 crust crust NN 39928 1663 4 would would MD 39928 1663 5 necessarily necessarily RB 39928 1663 6 for for IN 39928 1663 7 a a DT 39928 1663 8 long long JJ 39928 1663 9 time time NN 39928 1663 10 be be VB 39928 1663 11 thinner thin JJR 39928 1663 12 than than IN 39928 1663 13 the the DT 39928 1663 14 older old JJR 39928 1663 15 portion portion NN 39928 1663 16 , , , 39928 1663 17 because because IN 39928 1663 18 formed form VBN 39928 1663 19 so so RB 39928 1663 20 much much RB 39928 1663 21 later later RB 39928 1663 22 , , , 39928 1663 23 but but CC 39928 1663 24 it -PRON- PRP 39928 1663 25 would would MD 39928 1663 26 very very RB 39928 1663 27 soon soon RB 39928 1663 28 become become VB 39928 1663 29 cool cool JJ 39928 1663 30 enough enough RB 39928 1663 31 to to TO 39928 1663 32 allow allow VB 39928 1663 33 the the DT 39928 1663 34 aqueous aqueous JJ 39928 1663 35 vapour vapour NN 39928 1663 36 of of IN 39928 1663 37 the the DT 39928 1663 38 atmosphere atmosphere NN 39928 1663 39 and and CC 39928 1663 40 that that IN 39928 1663 41 given give VBN 39928 1663 42 off off RP 39928 1663 43 through through IN 39928 1663 44 fissures fissure NNS 39928 1663 45 from from IN 39928 1663 46 the the DT 39928 1663 47 molten molten JJ 39928 1663 48 interior interior NN 39928 1663 49 to to TO 39928 1663 50 collect collect VB 39928 1663 51 in in IN 39928 1663 52 the the DT 39928 1663 53 ocean ocean NN 39928 1663 54 basins basin NNS 39928 1663 55 , , , 39928 1663 56 which which WDT 39928 1663 57 would would MD 39928 1663 58 thenceforth thenceforth NN 39928 1663 59 be be VB 39928 1663 60 cooled cool VBN 39928 1663 61 more more RBR 39928 1663 62 rapidly rapidly RB 39928 1663 63 and and CC 39928 1663 64 kept keep VBD 39928 1663 65 at at IN 39928 1663 66 a a DT 39928 1663 67 uniform uniform JJ 39928 1663 68 temperature temperature NN 39928 1663 69 and and CC 39928 1663 70 also also RB 39928 1663 71 under under IN 39928 1663 72 a a DT 39928 1663 73 uniform uniform JJ 39928 1663 74 pressure pressure NN 39928 1663 75 , , , 39928 1663 76 and and CC 39928 1663 77 these these DT 39928 1663 78 conditions condition NNS 39928 1663 79 would would MD 39928 1663 80 lead lead VB 39928 1663 81 to to IN 39928 1663 82 the the DT 39928 1663 83 steady steady JJ 39928 1663 84 and and CC 39928 1663 85 continuous continuous JJ 39928 1663 86 increase increase NN 39928 1663 87 of of IN 39928 1663 88 thickness thickness NN 39928 1663 89 , , , 39928 1663 90 with with IN 39928 1663 91 a a DT 39928 1663 92 greater great JJR 39928 1663 93 compactness compactness NN 39928 1663 94 of of IN 39928 1663 95 structure structure NN 39928 1663 96 than than IN 39928 1663 97 in in IN 39928 1663 98 the the DT 39928 1663 99 continental continental JJ 39928 1663 100 areas area NNS 39928 1663 101 . . . 39928 1664 1 It -PRON- PRP 39928 1664 2 is be VBZ 39928 1664 3 no no DT 39928 1664 4 doubt doubt NN 39928 1664 5 to to IN 39928 1664 6 this this DT 39928 1664 7 uniformity uniformity NN 39928 1664 8 of of IN 39928 1664 9 conditions condition NNS 39928 1664 10 , , , 39928 1664 11 with with IN 39928 1664 12 a a DT 39928 1664 13 lowering lowering NN 39928 1664 14 of of IN 39928 1664 15 the the DT 39928 1664 16 bottom bottom JJ 39928 1664 17 temperature temperature NN 39928 1664 18 throughout throughout IN 39928 1664 19 the the DT 39928 1664 20 greater great JJR 39928 1664 21 part part NN 39928 1664 22 of of IN 39928 1664 23 geological geological JJ 39928 1664 24 time time NN 39928 1664 25 , , , 39928 1664 26 till till IN 39928 1664 27 it -PRON- PRP 39928 1664 28 has have VBZ 39928 1664 29 become become VBN 39928 1664 30 only only RB 39928 1664 31 a a DT 39928 1664 32 few few JJ 39928 1664 33 degrees degree NNS 39928 1664 34 above above IN 39928 1664 35 the the DT 39928 1664 36 freezing freezing NN 39928 1664 37 - - HYPH 39928 1664 38 point point NN 39928 1664 39 , , , 39928 1664 40 that that IN 39928 1664 41 we -PRON- PRP 39928 1664 42 owe owe VBP 39928 1664 43 the the DT 39928 1664 44 remarkable remarkable JJ 39928 1664 45 persistence persistence NN 39928 1664 46 of of IN 39928 1664 47 the the DT 39928 1664 48 vast vast JJ 39928 1664 49 and and CC 39928 1664 50 deep deep JJ 39928 1664 51 ocean ocean NN 39928 1664 52 basins basin NNS 39928 1664 53 on on IN 39928 1664 54 which which WDT 39928 1664 55 , , , 39928 1664 56 as as IN 39928 1664 57 we -PRON- PRP 39928 1664 58 have have VBP 39928 1664 59 seen see VBN 39928 1664 60 , , , 39928 1664 61 the the DT 39928 1664 62 continuity continuity NN 39928 1664 63 of of IN 39928 1664 64 life life NN 39928 1664 65 on on IN 39928 1664 66 the the DT 39928 1664 67 earth earth NN 39928 1664 68 has have VBZ 39928 1664 69 largely largely RB 39928 1664 70 depended depend VBN 39928 1664 71 . . . 39928 1665 1 There there EX 39928 1665 2 is be VBZ 39928 1665 3 one one CD 39928 1665 4 other other JJ 39928 1665 5 fact fact NN 39928 1665 6 which which WDT 39928 1665 7 lends lend VBZ 39928 1665 8 some some DT 39928 1665 9 support support NN 39928 1665 10 to to IN 39928 1665 11 this this DT 39928 1665 12 theory theory NN 39928 1665 13 of of IN 39928 1665 14 the the DT 39928 1665 15 origin origin NN 39928 1665 16 of of IN 39928 1665 17 the the DT 39928 1665 18 ocean ocean NN 39928 1665 19 basins basin NNS 39928 1665 20 -- -- : 39928 1665 21 their -PRON- PRP$ 39928 1665 22 almost almost RB 39928 1665 23 complete complete JJ 39928 1665 24 symmetry symmetry NN 39928 1665 25 with with IN 39928 1665 26 regard regard NN 39928 1665 27 to to IN 39928 1665 28 the the DT 39928 1665 29 equator equator NN 39928 1665 30 . . . 39928 1666 1 Both both DT 39928 1666 2 the the DT 39928 1666 3 Atlantic Atlantic NNP 39928 1666 4 and and CC 39928 1666 5 Pacific Pacific NNP 39928 1666 6 basins basin NNS 39928 1666 7 extend extend VBP 39928 1666 8 to to IN 39928 1666 9 an an DT 39928 1666 10 equal equal JJ 39928 1666 11 distance distance NN 39928 1666 12 north north NN 39928 1666 13 and and CC 39928 1666 14 south south RB 39928 1666 15 of of IN 39928 1666 16 the the DT 39928 1666 17 equator equator NN 39928 1666 18 , , , 39928 1666 19 an an DT 39928 1666 20 equality equality NN 39928 1666 21 which which WDT 39928 1666 22 could could MD 39928 1666 23 hardly hardly RB 39928 1666 24 have have VB 39928 1666 25 been be VBN 39928 1666 26 produced produce VBN 39928 1666 27 by by IN 39928 1666 28 any any DT 39928 1666 29 cause cause NN 39928 1666 30 not not RB 39928 1666 31 directly directly RB 39928 1666 32 connected connect VBN 39928 1666 33 with with IN 39928 1666 34 the the DT 39928 1666 35 earth earth NN 39928 1666 36 's 's POS 39928 1666 37 rotation rotation NN 39928 1666 38 . . . 39928 1667 1 The the DT 39928 1667 2 polar polar JJ 39928 1667 3 seas sea NNS 39928 1667 4 which which WDT 39928 1667 5 are be VBP 39928 1667 6 coterminous coterminous JJ 39928 1667 7 with with IN 39928 1667 8 the the DT 39928 1667 9 two two CD 39928 1667 10 great great JJ 39928 1667 11 oceans ocean NNS 39928 1667 12 are be VBP 39928 1667 13 very very RB 39928 1667 14 much much RB 39928 1667 15 shallower shallow JJR 39928 1667 16 , , , 39928 1667 17 and and CC 39928 1667 18 can can MD 39928 1667 19 not not RB 39928 1667 20 , , , 39928 1667 21 therefore therefore RB 39928 1667 22 , , , 39928 1667 23 be be VB 39928 1667 24 considered consider VBN 39928 1667 25 as as IN 39928 1667 26 forming form VBG 39928 1667 27 part part NN 39928 1667 28 of of IN 39928 1667 29 the the DT 39928 1667 30 true true JJ 39928 1667 31 oceanic oceanic JJ 39928 1667 32 basins basin NNS 39928 1667 33 . . . 39928 1668 1 WATER water NN 39928 1668 2 AS as IN 39928 1668 3 AN an DT 39928 1668 4 EQUALISER EQUALISER NNS 39928 1668 5 OF of IN 39928 1668 6 TEMPERATURE temperature NN 39928 1668 7 The the DT 39928 1668 8 importance importance NN 39928 1668 9 of of IN 39928 1668 10 water water NN 39928 1668 11 in in IN 39928 1668 12 regulating regulate VBG 39928 1668 13 the the DT 39928 1668 14 temperature temperature NN 39928 1668 15 of of IN 39928 1668 16 the the DT 39928 1668 17 earth earth NN 39928 1668 18 is be VBZ 39928 1668 19 so so RB 39928 1668 20 great great JJ 39928 1668 21 that that IN 39928 1668 22 , , , 39928 1668 23 even even RB 39928 1668 24 if if IN 39928 1668 25 we -PRON- PRP 39928 1668 26 had have VBD 39928 1668 27 enough enough JJ 39928 1668 28 water water NN 39928 1668 29 on on IN 39928 1668 30 the the DT 39928 1668 31 land land NN 39928 1668 32 for for IN 39928 1668 33 all all PDT 39928 1668 34 the the DT 39928 1668 35 wants want NNS 39928 1668 36 of of IN 39928 1668 37 plants plant NNS 39928 1668 38 and and CC 39928 1668 39 animals animal NNS 39928 1668 40 , , , 39928 1668 41 but but CC 39928 1668 42 had have VBD 39928 1668 43 no no DT 39928 1668 44 great great JJ 39928 1668 45 oceans ocean NNS 39928 1668 46 , , , 39928 1668 47 it -PRON- PRP 39928 1668 48 is be VBZ 39928 1668 49 almost almost RB 39928 1668 50 certain certain JJ 39928 1668 51 that that IN 39928 1668 52 the the DT 39928 1668 53 earth earth NN 39928 1668 54 could could MD 39928 1668 55 not not RB 39928 1668 56 have have VB 39928 1668 57 produced produce VBN 39928 1668 58 and and CC 39928 1668 59 sustained sustain VBN 39928 1668 60 the the DT 39928 1668 61 various various JJ 39928 1668 62 forms form NNS 39928 1668 63 of of IN 39928 1668 64 life life NN 39928 1668 65 which which WDT 39928 1668 66 it -PRON- PRP 39928 1668 67 now now RB 39928 1668 68 possesses possess VBZ 39928 1668 69 . . . 39928 1669 1 The the DT 39928 1669 2 effect effect NN 39928 1669 3 of of IN 39928 1669 4 the the DT 39928 1669 5 oceans ocean NNS 39928 1669 6 is be VBZ 39928 1669 7 twofold twofold JJ 39928 1669 8 . . . 39928 1670 1 Owing owe VBG 39928 1670 2 to to IN 39928 1670 3 the the DT 39928 1670 4 great great JJ 39928 1670 5 specific specific JJ 39928 1670 6 heat heat NN 39928 1670 7 of of IN 39928 1670 8 water water NN 39928 1670 9 , , , 39928 1670 10 that that RB 39928 1670 11 is is RB 39928 1670 12 , , , 39928 1670 13 its -PRON- PRP$ 39928 1670 14 property property NN 39928 1670 15 of of IN 39928 1670 16 absorbing absorb VBG 39928 1670 17 heat heat NN 39928 1670 18 slowly slowly RB 39928 1670 19 but but CC 39928 1670 20 to to IN 39928 1670 21 a a DT 39928 1670 22 large large JJ 39928 1670 23 amount amount NN 39928 1670 24 , , , 39928 1670 25 and and CC 39928 1670 26 giving give VBG 39928 1670 27 it -PRON- PRP 39928 1670 28 out out RP 39928 1670 29 with with IN 39928 1670 30 equal equal JJ 39928 1670 31 slowness slowness NN 39928 1670 32 , , , 39928 1670 33 the the DT 39928 1670 34 surface surface NN 39928 1670 35 - - HYPH 39928 1670 36 waters water NNS 39928 1670 37 of of IN 39928 1670 38 the the DT 39928 1670 39 oceans ocean NNS 39928 1670 40 and and CC 39928 1670 41 seas sea NNS 39928 1670 42 are be VBP 39928 1670 43 heated heat VBN 39928 1670 44 by by IN 39928 1670 45 the the DT 39928 1670 46 sun sun NN 39928 1670 47 so so IN 39928 1670 48 that that IN 39928 1670 49 by by IN 39928 1670 50 the the DT 39928 1670 51 evening evening NN 39928 1670 52 of of IN 39928 1670 53 a a DT 39928 1670 54 bright bright JJ 39928 1670 55 day day NN 39928 1670 56 they -PRON- PRP 39928 1670 57 have have VBP 39928 1670 58 become become VBN 39928 1670 59 quite quite RB 39928 1670 60 warm warm JJ 39928 1670 61 to to IN 39928 1670 62 a a DT 39928 1670 63 depth depth NN 39928 1670 64 of of IN 39928 1670 65 several several JJ 39928 1670 66 feet foot NNS 39928 1670 67 . . . 39928 1671 1 But but CC 39928 1671 2 air air NN 39928 1671 3 has have VBZ 39928 1671 4 much much RB 39928 1671 5 less less RBR 39928 1671 6 specific specific JJ 39928 1671 7 heat heat NN 39928 1671 8 than than IN 39928 1671 9 water water NN 39928 1671 10 , , , 39928 1671 11 a a DT 39928 1671 12 pound pound NN 39928 1671 13 of of IN 39928 1671 14 water water NN 39928 1671 15 in in IN 39928 1671 16 cooling cool VBG 39928 1671 17 one one CD 39928 1671 18 degree degree NN 39928 1671 19 being be VBG 39928 1671 20 capable capable JJ 39928 1671 21 of of IN 39928 1671 22 warming warm VBG 39928 1671 23 four four CD 39928 1671 24 pounds pound NNS 39928 1671 25 of of IN 39928 1671 26 air air NN 39928 1671 27 one one CD 39928 1671 28 degree degree NN 39928 1671 29 ; ; : 39928 1671 30 but but CC 39928 1671 31 as as IN 39928 1671 32 air air NN 39928 1671 33 is be VBZ 39928 1671 34 770 770 CD 39928 1671 35 times time NNS 39928 1671 36 as as RB 39928 1671 37 light light NN 39928 1671 38 as as IN 39928 1671 39 water water NN 39928 1671 40 , , , 39928 1671 41 it -PRON- PRP 39928 1671 42 follows follow VBZ 39928 1671 43 that that IN 39928 1671 44 the the DT 39928 1671 45 heat heat NN 39928 1671 46 from from IN 39928 1671 47 one one CD 39928 1671 48 cubic cubic JJ 39928 1671 49 foot foot NN 39928 1671 50 of of IN 39928 1671 51 water water NN 39928 1671 52 will will MD 39928 1671 53 warm warm VB 39928 1671 54 more more JJR 39928 1671 55 than than IN 39928 1671 56 3000 3000 CD 39928 1671 57 cubic cubic JJ 39928 1671 58 feet foot NNS 39928 1671 59 of of IN 39928 1671 60 air air NN 39928 1671 61 as as RB 39928 1671 62 much much RB 39928 1671 63 as as IN 39928 1671 64 it -PRON- PRP 39928 1671 65 cools cool VBZ 39928 1671 66 itself -PRON- PRP 39928 1671 67 . . . 39928 1672 1 Hence hence RB 39928 1672 2 the the DT 39928 1672 3 enormous enormous JJ 39928 1672 4 surface surface NN 39928 1672 5 of of IN 39928 1672 6 the the DT 39928 1672 7 seas sea NNS 39928 1672 8 and and CC 39928 1672 9 oceans ocean NNS 39928 1672 10 , , , 39928 1672 11 the the DT 39928 1672 12 larger large JJR 39928 1672 13 part part NN 39928 1672 14 of of IN 39928 1672 15 which which WDT 39928 1672 16 is be VBZ 39928 1672 17 within within IN 39928 1672 18 the the DT 39928 1672 19 tropics tropic NNS 39928 1672 20 , , , 39928 1672 21 warms warm VBZ 39928 1672 22 the the DT 39928 1672 23 whole whole NN 39928 1672 24 of of IN 39928 1672 25 the the DT 39928 1672 26 lower low JJR 39928 1672 27 and and CC 39928 1672 28 denser denser NN 39928 1672 29 portions portion NNS 39928 1672 30 of of IN 39928 1672 31 the the DT 39928 1672 32 air air NN 39928 1672 33 , , , 39928 1672 34 especially especially RB 39928 1672 35 during during IN 39928 1672 36 the the DT 39928 1672 37 night night NN 39928 1672 38 , , , 39928 1672 39 and and CC 39928 1672 40 this this DT 39928 1672 41 warmth warmth NN 39928 1672 42 is be VBZ 39928 1672 43 carried carry VBN 39928 1672 44 to to IN 39928 1672 45 all all DT 39928 1672 46 parts part NNS 39928 1672 47 of of IN 39928 1672 48 the the DT 39928 1672 49 earth earth NN 39928 1672 50 by by IN 39928 1672 51 the the DT 39928 1672 52 winds wind NNS 39928 1672 53 , , , 39928 1672 54 and and CC 39928 1672 55 thus thus RB 39928 1672 56 ameliorates ameliorate VBZ 39928 1672 57 the the DT 39928 1672 58 climate climate NN 39928 1672 59 . . . 39928 1673 1 Another another DT 39928 1673 2 quite quite RB 39928 1673 3 distinct distinct JJ 39928 1673 4 effect effect NN 39928 1673 5 is be VBZ 39928 1673 6 due due JJ 39928 1673 7 to to IN 39928 1673 8 the the DT 39928 1673 9 great great JJ 39928 1673 10 ocean ocean NN 39928 1673 11 currents current NNS 39928 1673 12 , , , 39928 1673 13 like like IN 39928 1673 14 the the DT 39928 1673 15 Gulf Gulf NNP 39928 1673 16 Stream Stream NNP 39928 1673 17 and and CC 39928 1673 18 the the DT 39928 1673 19 Japan Japan NNP 39928 1673 20 Current Current NNP 39928 1673 21 , , , 39928 1673 22 which which WDT 39928 1673 23 carry carry VBP 39928 1673 24 the the DT 39928 1673 25 warm warm JJ 39928 1673 26 water water NN 39928 1673 27 of of IN 39928 1673 28 the the DT 39928 1673 29 tropics tropic NNS 39928 1673 30 to to TO 39928 1673 31 temperate temperate VB 39928 1673 32 and and CC 39928 1673 33 arctic arctic JJ 39928 1673 34 regions region NNS 39928 1673 35 , , , 39928 1673 36 and and CC 39928 1673 37 thus thus RB 39928 1673 38 render render VBP 39928 1673 39 many many JJ 39928 1673 40 countries country NNS 39928 1673 41 habitable habitable JJ 39928 1673 42 which which WDT 39928 1673 43 would would MD 39928 1673 44 otherwise otherwise RB 39928 1673 45 suffer suffer VB 39928 1673 46 the the DT 39928 1673 47 rigour rigour NN 39928 1673 48 of of IN 39928 1673 49 an an DT 39928 1673 50 almost almost RB 39928 1673 51 arctic arctic JJ 39928 1673 52 winter winter NN 39928 1673 53 . . . 39928 1674 1 These these DT 39928 1674 2 currents current NNS 39928 1674 3 are be VBP 39928 1674 4 , , , 39928 1674 5 however however RB 39928 1674 6 , , , 39928 1674 7 directly directly RB 39928 1674 8 due due IN 39928 1674 9 to to IN 39928 1674 10 the the DT 39928 1674 11 winds wind NNS 39928 1674 12 , , , 39928 1674 13 and and CC 39928 1674 14 properly properly RB 39928 1674 15 belong belong VB 39928 1674 16 to to IN 39928 1674 17 the the DT 39928 1674 18 section section NN 39928 1674 19 on on IN 39928 1674 20 the the DT 39928 1674 21 atmosphere atmosphere NN 39928 1674 22 . . . 39928 1675 1 The the DT 39928 1675 2 other other JJ 39928 1675 3 equalising equalising NN 39928 1675 4 action action NN 39928 1675 5 , , , 39928 1675 6 due due JJ 39928 1675 7 primarily primarily RB 39928 1675 8 to to IN 39928 1675 9 the the DT 39928 1675 10 great great JJ 39928 1675 11 area area NN 39928 1675 12 of of IN 39928 1675 13 the the DT 39928 1675 14 seas sea NNS 39928 1675 15 and and CC 39928 1675 16 oceans ocean NNS 39928 1675 17 , , , 39928 1675 18 is be VBZ 39928 1675 19 a a DT 39928 1675 20 result result NN 39928 1675 21 of of IN 39928 1675 22 the the DT 39928 1675 23 vast vast JJ 39928 1675 24 evaporating evaporate VBG 39928 1675 25 surface surface NN 39928 1675 26 from from IN 39928 1675 27 which which WDT 39928 1675 28 the the DT 39928 1675 29 land land NN 39928 1675 30 derives derive VBZ 39928 1675 31 almost almost RB 39928 1675 32 all all DT 39928 1675 33 its -PRON- PRP$ 39928 1675 34 water water NN 39928 1675 35 in in IN 39928 1675 36 the the DT 39928 1675 37 form form NN 39928 1675 38 of of IN 39928 1675 39 rain rain NN 39928 1675 40 and and CC 39928 1675 41 rivers river NNS 39928 1675 42 ; ; : 39928 1675 43 and and CC 39928 1675 44 it -PRON- PRP 39928 1675 45 is be VBZ 39928 1675 46 quite quite RB 39928 1675 47 evident evident JJ 39928 1675 48 that that IN 39928 1675 49 if if IN 39928 1675 50 there there EX 39928 1675 51 were be VBD 39928 1675 52 not not RB 39928 1675 53 sufficient sufficient JJ 39928 1675 54 water water NN 39928 1675 55 - - HYPH 39928 1675 56 surface surface NN 39928 1675 57 to to TO 39928 1675 58 produce produce VB 39928 1675 59 an an DT 39928 1675 60 ample ample JJ 39928 1675 61 supply supply NN 39928 1675 62 of of IN 39928 1675 63 vapour vapour NN 39928 1675 64 for for IN 39928 1675 65 this this DT 39928 1675 66 purpose purpose NN 39928 1675 67 , , , 39928 1675 68 arid arid NNP 39928 1675 69 districts district NNS 39928 1675 70 would would MD 39928 1675 71 occupy occupy VB 39928 1675 72 more more JJR 39928 1675 73 and and CC 39928 1675 74 more more JJR 39928 1675 75 of of IN 39928 1675 76 the the DT 39928 1675 77 earth earth NN 39928 1675 78 's 's POS 39928 1675 79 surface surface NN 39928 1675 80 . . . 39928 1676 1 How how WRB 39928 1676 2 much much JJ 39928 1676 3 water water NN 39928 1676 4 - - HYPH 39928 1676 5 surface surface NN 39928 1676 6 is be VBZ 39928 1676 7 necessary necessary JJ 39928 1676 8 for for IN 39928 1676 9 life life NN 39928 1676 10 we -PRON- PRP 39928 1676 11 do do VBP 39928 1676 12 not not RB 39928 1676 13 know know VB 39928 1676 14 ; ; : 39928 1676 15 but but CC 39928 1676 16 if if IN 39928 1676 17 the the DT 39928 1676 18 proportions proportion NNS 39928 1676 19 of of IN 39928 1676 20 water water NN 39928 1676 21 and and CC 39928 1676 22 land land NN 39928 1676 23 - - HYPH 39928 1676 24 surfaces surface NNS 39928 1676 25 were be VBD 39928 1676 26 reversed reverse VBN 39928 1676 27 , , , 39928 1676 28 it -PRON- PRP 39928 1676 29 seems seem VBZ 39928 1676 30 probable probable JJ 39928 1676 31 that that IN 39928 1676 32 the the DT 39928 1676 33 larger large JJR 39928 1676 34 proportion proportion NN 39928 1676 35 of of IN 39928 1676 36 the the DT 39928 1676 37 earth earth NN 39928 1676 38 might may MD 39928 1676 39 be be VB 39928 1676 40 uninhabitable uninhabitable JJ 39928 1676 41 . . . 39928 1677 1 The the DT 39928 1677 2 vapour vapour NN 39928 1677 3 thus thus RB 39928 1677 4 produced produce VBN 39928 1677 5 has have VBZ 39928 1677 6 also also RB 39928 1677 7 a a DT 39928 1677 8 very very RB 39928 1677 9 great great JJ 39928 1677 10 effect effect NN 39928 1677 11 in in IN 39928 1677 12 equalising equalise VBG 39928 1677 13 temperature temperature NN 39928 1677 14 ; ; : 39928 1677 15 but but CC 39928 1677 16 this this DT 39928 1677 17 also also RB 39928 1677 18 is be VBZ 39928 1677 19 a a DT 39928 1677 20 point point NN 39928 1677 21 which which WDT 39928 1677 22 will will MD 39928 1677 23 come come VB 39928 1677 24 better well RBR 39928 1677 25 under under IN 39928 1677 26 our -PRON- PRP$ 39928 1677 27 next next JJ 39928 1677 28 chapter chapter NN 39928 1677 29 on on IN 39928 1677 30 the the DT 39928 1677 31 atmosphere atmosphere NN 39928 1677 32 . . . 39928 1678 1 * * NFP 39928 1678 2 * * NFP 39928 1678 3 * * NFP 39928 1678 4 * * NFP 39928 1678 5 * * NFP 39928 1678 6 There there EX 39928 1678 7 are be VBP 39928 1678 8 , , , 39928 1678 9 however however RB 39928 1678 10 , , , 39928 1678 11 some some DT 39928 1678 12 matters matter NNS 39928 1678 13 connected connect VBN 39928 1678 14 with with IN 39928 1678 15 the the DT 39928 1678 16 water water NN 39928 1678 17 - - HYPH 39928 1678 18 supply supply NN 39928 1678 19 of of IN 39928 1678 20 the the DT 39928 1678 21 earth earth NN 39928 1678 22 , , , 39928 1678 23 and and CC 39928 1678 24 its -PRON- PRP$ 39928 1678 25 relation relation NN 39928 1678 26 to to IN 39928 1678 27 the the DT 39928 1678 28 development development NN 39928 1678 29 of of IN 39928 1678 30 life life NN 39928 1678 31 , , , 39928 1678 32 that that WDT 39928 1678 33 call call VBP 39928 1678 34 for for IN 39928 1678 35 a a DT 39928 1678 36 few few JJ 39928 1678 37 remarks remark NNS 39928 1678 38 here here RB 39928 1678 39 . . . 39928 1679 1 What what WP 39928 1679 2 has have VBZ 39928 1679 3 determined determine VBN 39928 1679 4 the the DT 39928 1679 5 total total JJ 39928 1679 6 quantity quantity NN 39928 1679 7 of of IN 39928 1679 8 water water NN 39928 1679 9 on on IN 39928 1679 10 the the DT 39928 1679 11 earth earth NN 39928 1679 12 or or CC 39928 1679 13 on on IN 39928 1679 14 other other JJ 39928 1679 15 planets planet NNS 39928 1679 16 does do VBZ 39928 1679 17 not not RB 39928 1679 18 appear appear VB 39928 1679 19 to to TO 39928 1679 20 be be VB 39928 1679 21 known know VBN 39928 1679 22 ; ; : 39928 1679 23 but but CC 39928 1679 24 presumably presumably RB 39928 1679 25 it -PRON- PRP 39928 1679 26 would would MD 39928 1679 27 depend depend VB 39928 1679 28 , , , 39928 1679 29 partially partially RB 39928 1679 30 or or CC 39928 1679 31 wholly wholly RB 39928 1679 32 , , , 39928 1679 33 on on IN 39928 1679 34 the the DT 39928 1679 35 mass mass NN 39928 1679 36 of of IN 39928 1679 37 the the DT 39928 1679 38 planet planet NN 39928 1679 39 being be VBG 39928 1679 40 sufficient sufficient JJ 39928 1679 41 to to TO 39928 1679 42 enable enable VB 39928 1679 43 it -PRON- PRP 39928 1679 44 to to TO 39928 1679 45 retain retain VB 39928 1679 46 by by IN 39928 1679 47 its -PRON- PRP$ 39928 1679 48 gravitative gravitative JJ 39928 1679 49 force force NN 39928 1679 50 the the DT 39928 1679 51 oxygen oxygen NN 39928 1679 52 and and CC 39928 1679 53 hydrogen hydrogen NN 39928 1679 54 of of IN 39928 1679 55 which which WDT 39928 1679 56 water water NN 39928 1679 57 is be VBZ 39928 1679 58 composed compose VBN 39928 1679 59 . . . 39928 1680 1 As as IN 39928 1680 2 the the DT 39928 1680 3 two two CD 39928 1680 4 gases gas NNS 39928 1680 5 are be VBP 39928 1680 6 so so RB 39928 1680 7 easily easily RB 39928 1680 8 combined combine VBN 39928 1680 9 to to TO 39928 1680 10 form form VB 39928 1680 11 water water NN 39928 1680 12 , , , 39928 1680 13 but but CC 39928 1680 14 can can MD 39928 1680 15 only only RB 39928 1680 16 be be VB 39928 1680 17 separated separate VBN 39928 1680 18 under under IN 39928 1680 19 special special JJ 39928 1680 20 conditions condition NNS 39928 1680 21 , , , 39928 1680 22 its -PRON- PRP$ 39928 1680 23 quantity quantity NN 39928 1680 24 would would MD 39928 1680 25 be be VB 39928 1680 26 dependent dependent JJ 39928 1680 27 on on IN 39928 1680 28 the the DT 39928 1680 29 supply supply NN 39928 1680 30 of of IN 39928 1680 31 hydrogen hydrogen NN 39928 1680 32 , , , 39928 1680 33 which which WDT 39928 1680 34 is be VBZ 39928 1680 35 but but CC 39928 1680 36 rarely rarely RB 39928 1680 37 found find VBN 39928 1680 38 on on IN 39928 1680 39 the the DT 39928 1680 40 earth earth NN 39928 1680 41 in in IN 39928 1680 42 a a DT 39928 1680 43 free free JJ 39928 1680 44 state state NN 39928 1680 45 . . . 39928 1681 1 The the DT 39928 1681 2 important important JJ 39928 1681 3 fact fact NN 39928 1681 4 , , , 39928 1681 5 however however RB 39928 1681 6 , , , 39928 1681 7 is be VBZ 39928 1681 8 , , , 39928 1681 9 that that IN 39928 1681 10 we -PRON- PRP 39928 1681 11 do do VBP 39928 1681 12 possess possess VB 39928 1681 13 so so RB 39928 1681 14 great great JJ 39928 1681 15 a a DT 39928 1681 16 quantity quantity NN 39928 1681 17 of of IN 39928 1681 18 water water NN 39928 1681 19 , , , 39928 1681 20 that that IN 39928 1681 21 if if IN 39928 1681 22 the the DT 39928 1681 23 whole whole JJ 39928 1681 24 surface surface NN 39928 1681 25 of of IN 39928 1681 26 the the DT 39928 1681 27 globe globe NN 39928 1681 28 was be VBD 39928 1681 29 as as RB 39928 1681 30 regularly regularly RB 39928 1681 31 contoured contour VBN 39928 1681 32 as as IN 39928 1681 33 are be VBP 39928 1681 34 the the DT 39928 1681 35 continents continent NNS 39928 1681 36 , , , 39928 1681 37 and and CC 39928 1681 38 merely merely RB 39928 1681 39 wrinkled wrinkle VBD 39928 1681 40 with with IN 39928 1681 41 mountain mountain NN 39928 1681 42 chains chain NNS 39928 1681 43 , , , 39928 1681 44 then then RB 39928 1681 45 the the DT 39928 1681 46 existing exist VBG 39928 1681 47 water water NN 39928 1681 48 would would MD 39928 1681 49 cover cover VB 39928 1681 50 the the DT 39928 1681 51 whole whole JJ 39928 1681 52 globe globe NN 39928 1681 53 nearly nearly RB 39928 1681 54 two two CD 39928 1681 55 miles mile NNS 39928 1681 56 deep deep JJ 39928 1681 57 , , , 39928 1681 58 leaving leave VBG 39928 1681 59 only only RB 39928 1681 60 the the DT 39928 1681 61 tops top NNS 39928 1681 62 of of IN 39928 1681 63 high high JJ 39928 1681 64 mountains mountain NNS 39928 1681 65 above above IN 39928 1681 66 its -PRON- PRP$ 39928 1681 67 surface surface NN 39928 1681 68 as as IN 39928 1681 69 rows row NNS 39928 1681 70 of of IN 39928 1681 71 small small JJ 39928 1681 72 islands island NNS 39928 1681 73 , , , 39928 1681 74 with with IN 39928 1681 75 a a DT 39928 1681 76 few few JJ 39928 1681 77 larger large JJR 39928 1681 78 islands island NNS 39928 1681 79 formed form VBN 39928 1681 80 by by IN 39928 1681 81 what what WP 39928 1681 82 are be VBP 39928 1681 83 now now RB 39928 1681 84 the the DT 39928 1681 85 high high JJ 39928 1681 86 plateaus plateaus NN 39928 1681 87 of of IN 39928 1681 88 Tibet Tibet NNP 39928 1681 89 and and CC 39928 1681 90 the the DT 39928 1681 91 Southern Southern NNP 39928 1681 92 Andes Andes NNP 39928 1681 93 . . . 39928 1682 1 Now now RB 39928 1682 2 there there EX 39928 1682 3 seems seem VBZ 39928 1682 4 no no DT 39928 1682 5 reason reason NN 39928 1682 6 why why WRB 39928 1682 7 this this DT 39928 1682 8 distribution distribution NN 39928 1682 9 of of IN 39928 1682 10 the the DT 39928 1682 11 water water NN 39928 1682 12 should should MD 39928 1682 13 not not RB 39928 1682 14 have have VB 39928 1682 15 occurred occur VBN 39928 1682 16 -- -- : 39928 1682 17 in in IN 39928 1682 18 fact fact NN 39928 1682 19 it -PRON- PRP 39928 1682 20 seems seem VBZ 39928 1682 21 probable probable JJ 39928 1682 22 that that IN 39928 1682 23 it -PRON- PRP 39928 1682 24 would would MD 39928 1682 25 have have VB 39928 1682 26 occurred occur VBN 39928 1682 27 , , , 39928 1682 28 had have VBD 39928 1682 29 it -PRON- PRP 39928 1682 30 not not RB 39928 1682 31 been be VBN 39928 1682 32 for for IN 39928 1682 33 the the DT 39928 1682 34 fortunate fortunate JJ 39928 1682 35 coincidence coincidence NN 39928 1682 36 of of IN 39928 1682 37 the the DT 39928 1682 38 formation formation NN 39928 1682 39 of of IN 39928 1682 40 enormously enormously RB 39928 1682 41 deep deep JJ 39928 1682 42 ocean ocean NN 39928 1682 43 basins basin NNS 39928 1682 44 . . . 39928 1683 1 So so RB 39928 1683 2 far far RB 39928 1683 3 as as IN 39928 1683 4 I -PRON- PRP 39928 1683 5 am be VBP 39928 1683 6 aware aware JJ 39928 1683 7 , , , 39928 1683 8 no no DT 39928 1683 9 sufficient sufficient JJ 39928 1683 10 explanation explanation NN 39928 1683 11 of of IN 39928 1683 12 the the DT 39928 1683 13 formation formation NN 39928 1683 14 of of IN 39928 1683 15 these these DT 39928 1683 16 basins basin NNS 39928 1683 17 has have VBZ 39928 1683 18 been be VBN 39928 1683 19 given give VBN 39928 1683 20 but but CC 39928 1683 21 that that DT 39928 1683 22 of of IN 39928 1683 23 Mr. Mr. NNP 39928 1683 24 Osmond Osmond NNP 39928 1683 25 Fisher Fisher NNP 39928 1683 26 , , , 39928 1683 27 as as IN 39928 1683 28 here here RB 39928 1683 29 described describe VBN 39928 1683 30 , , , 39928 1683 31 and and CC 39928 1683 32 that that DT 39928 1683 33 depends depend VBZ 39928 1683 34 upon upon IN 39928 1683 35 three three CD 39928 1683 36 unique unique JJ 39928 1683 37 circumstances circumstance NNS 39928 1683 38 : : : 39928 1683 39 ( ( -LRB- 39928 1683 40 1 1 LS 39928 1683 41 ) ) -RRB- 39928 1683 42 the the DT 39928 1683 43 formation formation NN 39928 1683 44 of of IN 39928 1683 45 a a DT 39928 1683 46 satellite satellite NN 39928 1683 47 at at IN 39928 1683 48 a a DT 39928 1683 49 very very RB 39928 1683 50 late late JJ 39928 1683 51 period period NN 39928 1683 52 of of IN 39928 1683 53 the the DT 39928 1683 54 planet planet NN 39928 1683 55 's 's POS 39928 1683 56 development development NN 39928 1683 57 when when WRB 39928 1683 58 there there EX 39928 1683 59 was be VBD 39928 1683 60 already already RB 39928 1683 61 a a DT 39928 1683 62 rather rather RB 39928 1683 63 thick thick JJ 39928 1683 64 crust crust NN 39928 1683 65 ; ; , 39928 1683 66 ( ( -LRB- 39928 1683 67 2 2 LS 39928 1683 68 ) ) -RRB- 39928 1683 69 the the DT 39928 1683 70 satellite satellite NN 39928 1683 71 being be VBG 39928 1683 72 far far RB 39928 1683 73 larger large JJR 39928 1683 74 in in IN 39928 1683 75 proportion proportion NN 39928 1683 76 to to IN 39928 1683 77 its -PRON- PRP$ 39928 1683 78 primary primary NN 39928 1683 79 than than IN 39928 1683 80 any any DT 39928 1683 81 other other JJ 39928 1683 82 in in IN 39928 1683 83 the the DT 39928 1683 84 solar solar JJ 39928 1683 85 system system NN 39928 1683 86 ; ; : 39928 1683 87 and and CC 39928 1683 88 ( ( -LRB- 39928 1683 89 3 3 LS 39928 1683 90 ) ) -RRB- 39928 1683 91 its -PRON- PRP$ 39928 1683 92 having have VBG 39928 1683 93 been be VBN 39928 1683 94 produced produce VBN 39928 1683 95 by by IN 39928 1683 96 fission fission NN 39928 1683 97 from from IN 39928 1683 98 its -PRON- PRP$ 39928 1683 99 primary primary NN 39928 1683 100 on on IN 39928 1683 101 account account NN 39928 1683 102 of of IN 39928 1683 103 extremely extremely RB 39928 1683 104 rapid rapid JJ 39928 1683 105 rotation rotation NN 39928 1683 106 , , , 39928 1683 107 combined combine VBN 39928 1683 108 with with IN 39928 1683 109 solar solar JJ 39928 1683 110 tides tide NNS 39928 1683 111 in in IN 39928 1683 112 its -PRON- PRP$ 39928 1683 113 molten molten JJ 39928 1683 114 interior interior NN 39928 1683 115 , , , 39928 1683 116 and and CC 39928 1683 117 a a DT 39928 1683 118 rate rate NN 39928 1683 119 of of IN 39928 1683 120 oscillation oscillation NN 39928 1683 121 of of IN 39928 1683 122 that that DT 39928 1683 123 molten molten JJ 39928 1683 124 interior interior JJ 39928 1683 125 coinciding coincide VBG 39928 1683 126 with with IN 39928 1683 127 the the DT 39928 1683 128 tidal tidal JJ 39928 1683 129 period period NN 39928 1683 130 . . . 39928 1684 1 [ [ -LRB- 39928 1684 2 17 17 CD 39928 1684 3 ] ] -RRB- 39928 1684 4 Whether whether IN 39928 1684 5 this this DT 39928 1684 6 very very RB 39928 1684 7 remarkable remarkable JJ 39928 1684 8 theory theory NN 39928 1684 9 of of IN 39928 1684 10 the the DT 39928 1684 11 origin origin NN 39928 1684 12 of of IN 39928 1684 13 our -PRON- PRP$ 39928 1684 14 moon moon NN 39928 1684 15 is be VBZ 39928 1684 16 the the DT 39928 1684 17 true true JJ 39928 1684 18 one one NN 39928 1684 19 , , , 39928 1684 20 and and CC 39928 1684 21 if if IN 39928 1684 22 so so RB 39928 1684 23 , , , 39928 1684 24 whether whether IN 39928 1684 25 the the DT 39928 1684 26 explanation explanation NN 39928 1684 27 it -PRON- PRP 39928 1684 28 seems seem VBZ 39928 1684 29 to to TO 39928 1684 30 afford afford VB 39928 1684 31 of of IN 39928 1684 32 the the DT 39928 1684 33 great great JJ 39928 1684 34 oceanic oceanic JJ 39928 1684 35 basins basin NNS 39928 1684 36 is be VBZ 39928 1684 37 correct correct JJ 39928 1684 38 , , , 39928 1684 39 I -PRON- PRP 39928 1684 40 am be VBP 39928 1684 41 not not RB 39928 1684 42 mathematician mathematician JJ 39928 1684 43 enough enough RB 39928 1684 44 to to TO 39928 1684 45 judge judge VB 39928 1684 46 . . . 39928 1685 1 The the DT 39928 1685 2 tidal tidal JJ 39928 1685 3 theory theory NN 39928 1685 4 of of IN 39928 1685 5 the the DT 39928 1685 6 origin origin NN 39928 1685 7 of of IN 39928 1685 8 the the DT 39928 1685 9 moon moon NN 39928 1685 10 , , , 39928 1685 11 as as IN 39928 1685 12 worked work VBN 39928 1685 13 out out RP 39928 1685 14 mathematically mathematically RB 39928 1685 15 by by IN 39928 1685 16 Professor Professor NNP 39928 1685 17 G.H. G.H. NNP 39928 1686 1 Darwin Darwin NNP 39928 1686 2 , , , 39928 1686 3 has have VBZ 39928 1686 4 been be VBN 39928 1686 5 supported support VBN 39928 1686 6 by by IN 39928 1686 7 Sir Sir NNP 39928 1686 8 Robert Robert NNP 39928 1686 9 Ball Ball NNP 39928 1686 10 and and CC 39928 1686 11 accepted accept VBN 39928 1686 12 by by IN 39928 1686 13 many many JJ 39928 1686 14 other other JJ 39928 1686 15 astronomers astronomer NNS 39928 1686 16 ; ; : 39928 1686 17 while while IN 39928 1686 18 the the DT 39928 1686 19 researches research NNS 39928 1686 20 of of IN 39928 1686 21 the the DT 39928 1686 22 Rev. Rev. NNP 39928 1687 1 Osmond Osmond NNP 39928 1687 2 Fisher Fisher NNP 39928 1687 3 into into IN 39928 1687 4 the the DT 39928 1687 5 _ _ NNP 39928 1687 6 Physics Physics NNP 39928 1687 7 of of IN 39928 1687 8 the the DT 39928 1687 9 Earth Earth NNP 39928 1687 10 's 's POS 39928 1687 11 Crust Crust NNP 39928 1687 12 _ _ NNP 39928 1687 13 , , , 39928 1687 14 together together RB 39928 1687 15 with with IN 39928 1687 16 his -PRON- PRP$ 39928 1687 17 mathematical mathematical JJ 39928 1687 18 abilities ability NNS 39928 1687 19 and and CC 39928 1687 20 his -PRON- PRP$ 39928 1687 21 practical practical JJ 39928 1687 22 work work NN 39928 1687 23 as as IN 39928 1687 24 a a DT 39928 1687 25 geologist geologist NN 39928 1687 26 , , , 39928 1687 27 entitle entitle VB 39928 1687 28 his -PRON- PRP$ 39928 1687 29 opinion opinion NN 39928 1687 30 on on IN 39928 1687 31 the the DT 39928 1687 32 question question NN 39928 1687 33 of of IN 39928 1687 34 the the DT 39928 1687 35 mode mode NN 39928 1687 36 of of IN 39928 1687 37 origin origin NN 39928 1687 38 of of IN 39928 1687 39 the the DT 39928 1687 40 ocean ocean NN 39928 1687 41 basins basin NNS 39928 1687 42 to to IN 39928 1687 43 the the DT 39928 1687 44 highest high JJS 39928 1687 45 respect respect NN 39928 1687 46 . . . 39928 1688 1 And and CC 39928 1688 2 , , , 39928 1688 3 as as IN 39928 1688 4 we -PRON- PRP 39928 1688 5 have have VBP 39928 1688 6 seen see VBN 39928 1688 7 , , , 39928 1688 8 the the DT 39928 1688 9 existence existence NN 39928 1688 10 of of IN 39928 1688 11 these these DT 39928 1688 12 vast vast JJ 39928 1688 13 and and CC 39928 1688 14 deep deep JJ 39928 1688 15 ocean ocean NN 39928 1688 16 basins basin NNS 39928 1688 17 , , , 39928 1688 18 produced produce VBN 39928 1688 19 by by IN 39928 1688 20 the the DT 39928 1688 21 agency agency NN 39928 1688 22 of of IN 39928 1688 23 a a DT 39928 1688 24 series series NN 39928 1688 25 of of IN 39928 1688 26 events event NNS 39928 1688 27 so so RB 39928 1688 28 remarkable remarkable JJ 39928 1688 29 as as IN 39928 1688 30 to to TO 39928 1688 31 be be VB 39928 1688 32 quite quite RB 39928 1688 33 unique unique JJ 39928 1688 34 in in IN 39928 1688 35 the the DT 39928 1688 36 solar solar JJ 39928 1688 37 system system NN 39928 1688 38 , , , 39928 1688 39 played play VBD 39928 1688 40 an an DT 39928 1688 41 important important JJ 39928 1688 42 part part NN 39928 1688 43 in in IN 39928 1688 44 rendering render VBG 39928 1688 45 the the DT 39928 1688 46 earth earth NN 39928 1688 47 fit fit JJ 39928 1688 48 for for IN 39928 1688 49 the the DT 39928 1688 50 development development NN 39928 1688 51 of of IN 39928 1688 52 the the DT 39928 1688 53 higher high JJR 39928 1688 54 forms form NNS 39928 1688 55 of of IN 39928 1688 56 animal animal NN 39928 1688 57 life life NN 39928 1688 58 , , , 39928 1688 59 while while IN 39928 1688 60 without without IN 39928 1688 61 them -PRON- PRP 39928 1688 62 it -PRON- PRP 39928 1688 63 seems seem VBZ 39928 1688 64 not not RB 39928 1688 65 improbable improbable JJ 39928 1688 66 that that IN 39928 1688 67 the the DT 39928 1688 68 conditions condition NNS 39928 1688 69 would would MD 39928 1688 70 have have VB 39928 1688 71 been be VBN 39928 1688 72 such such JJ 39928 1688 73 as as IN 39928 1688 74 to to TO 39928 1688 75 render render VB 39928 1688 76 any any DT 39928 1688 77 varied varied JJ 39928 1688 78 forms form NNS 39928 1688 79 of of IN 39928 1688 80 terrestrial terrestrial JJ 39928 1688 81 life life NN 39928 1688 82 hardly hardly RB 39928 1688 83 possible possible JJ 39928 1688 84 . . . 39928 1689 1 FOOTNOTES footnote NNS 39928 1689 2 : : : 39928 1689 3 [ [ -LRB- 39928 1689 4 16 16 CD 39928 1689 5 ] ] -RRB- 39928 1689 6 For for IN 39928 1689 7 a a DT 39928 1689 8 fuller full JJR 39928 1689 9 account account NN 39928 1689 10 of of IN 39928 1689 11 this this DT 39928 1689 12 Arctic Arctic NNP 39928 1689 13 fauna fauna NNS 39928 1689 14 and and CC 39928 1689 15 flora flora NNS 39928 1689 16 see see VBP 39928 1689 17 the the DT 39928 1689 18 works work NNS 39928 1689 19 of of IN 39928 1689 20 Sir Sir NNP 39928 1689 21 C. C. NNP 39928 1689 22 Lyell Lyell NNP 39928 1689 23 , , , 39928 1689 24 Sir Sir NNP 39928 1689 25 A. A. NNP 39928 1689 26 Geikie Geikie NNP 39928 1689 27 , , , 39928 1689 28 and and CC 39928 1689 29 other other JJ 39928 1689 30 geologists geologist NNS 39928 1689 31 . . . 39928 1690 1 A a DT 39928 1690 2 full full JJ 39928 1690 3 summary summary NN 39928 1690 4 of of IN 39928 1690 5 it -PRON- PRP 39928 1690 6 is be VBZ 39928 1690 7 also also RB 39928 1690 8 given give VBN 39928 1690 9 in in IN 39928 1690 10 the the DT 39928 1690 11 author author NN 39928 1690 12 's 's POS 39928 1690 13 _ _ NNP 39928 1690 14 Island Island NNP 39928 1690 15 Life Life NNP 39928 1690 16 _ _ NNP 39928 1690 17 . . . 39928 1691 1 [ [ -LRB- 39928 1691 2 17 17 CD 39928 1691 3 ] ] -RRB- 39928 1691 4 Professor Professor NNP 39928 1691 5 G.H. G.H. NNP 39928 1692 1 Darwin Darwin NNP 39928 1692 2 states state VBZ 39928 1692 3 that that IN 39928 1692 4 it -PRON- PRP 39928 1692 5 is be VBZ 39928 1692 6 nearly nearly RB 39928 1692 7 certain certain JJ 39928 1692 8 that that IN 39928 1692 9 no no DT 39928 1692 10 other other JJ 39928 1692 11 satellite satellite NN 39928 1692 12 nor nor CC 39928 1692 13 any any DT 39928 1692 14 of of IN 39928 1692 15 the the DT 39928 1692 16 planets planet NNS 39928 1692 17 originated originate VBD 39928 1692 18 in in IN 39928 1692 19 the the DT 39928 1692 20 same same JJ 39928 1692 21 way way NN 39928 1692 22 as as IN 39928 1692 23 the the DT 39928 1692 24 moon moon NN 39928 1692 25 . . . 39928 1693 1 CHAPTER chapter NN 39928 1693 2 XIII xiii NN 39928 1693 3 THE the DT 39928 1693 4 EARTH earth NN 39928 1693 5 IN in IN 39928 1693 6 RELATION relation NN 39928 1693 7 TO to IN 39928 1693 8 LIFE life NN 39928 1693 9 : : : 39928 1693 10 ATMOSPHERIC ATMOSPHERIC NNP 39928 1693 11 CONDITIONS CONDITIONS NNP 39928 1693 12 We -PRON- PRP 39928 1693 13 have have VBP 39928 1693 14 seen see VBN 39928 1693 15 in in IN 39928 1693 16 our -PRON- PRP$ 39928 1693 17 tenth tenth JJ 39928 1693 18 chapter chapter NN 39928 1693 19 that that IN 39928 1693 20 the the DT 39928 1693 21 physical physical JJ 39928 1693 22 basis basis NN 39928 1693 23 of of IN 39928 1693 24 life life NN 39928 1693 25 -- -- : 39928 1693 26 protoplasm protoplasm NN 39928 1693 27 -- -- : 39928 1693 28 consists consist VBZ 39928 1693 29 of of IN 39928 1693 30 the the DT 39928 1693 31 four four CD 39928 1693 32 elements element NNS 39928 1693 33 , , , 39928 1693 34 oxygen oxygen NN 39928 1693 35 , , , 39928 1693 36 nitrogen nitrogen NN 39928 1693 37 , , , 39928 1693 38 hydrogen hydrogen NN 39928 1693 39 , , , 39928 1693 40 and and CC 39928 1693 41 carbon carbon NN 39928 1693 42 , , , 39928 1693 43 and and CC 39928 1693 44 that that IN 39928 1693 45 both both DT 39928 1693 46 plants plant NNS 39928 1693 47 and and CC 39928 1693 48 animals animal NNS 39928 1693 49 depend depend VBP 39928 1693 50 largely largely RB 39928 1693 51 upon upon IN 39928 1693 52 the the DT 39928 1693 53 free free JJ 39928 1693 54 oxygen oxygen NN 39928 1693 55 in in IN 39928 1693 56 the the DT 39928 1693 57 air air NN 39928 1693 58 to to TO 39928 1693 59 carry carry VB 39928 1693 60 on on RP 39928 1693 61 their -PRON- PRP$ 39928 1693 62 vital vital JJ 39928 1693 63 processes process NNS 39928 1693 64 ; ; : 39928 1693 65 while while IN 39928 1693 66 the the DT 39928 1693 67 carbonic carbonic JJ 39928 1693 68 acid acid NN 39928 1693 69 and and CC 39928 1693 70 ammonia ammonia NNP 39928 1693 71 in in IN 39928 1693 72 the the DT 39928 1693 73 atmosphere atmosphere NN 39928 1693 74 seem seem VBP 39928 1693 75 to to TO 39928 1693 76 be be VB 39928 1693 77 absolutely absolutely RB 39928 1693 78 essential essential JJ 39928 1693 79 to to IN 39928 1693 80 plants plant NNS 39928 1693 81 . . . 39928 1694 1 Whether whether IN 39928 1694 2 life life NN 39928 1694 3 could could MD 39928 1694 4 have have VB 39928 1694 5 arisen arise VBN 39928 1694 6 and and CC 39928 1694 7 have have VB 39928 1694 8 been be VBN 39928 1694 9 highly highly RB 39928 1694 10 developed develop VBN 39928 1694 11 with with IN 39928 1694 12 an an DT 39928 1694 13 atmosphere atmosphere NN 39928 1694 14 composed compose VBN 39928 1694 15 of of IN 39928 1694 16 different different JJ 39928 1694 17 elements element NNS 39928 1694 18 from from IN 39928 1694 19 ours -PRON- PRP 39928 1694 20 it -PRON- PRP 39928 1694 21 is be VBZ 39928 1694 22 , , , 39928 1694 23 of of IN 39928 1694 24 course course NN 39928 1694 25 , , , 39928 1694 26 impossible impossible JJ 39928 1694 27 to to TO 39928 1694 28 say say VB 39928 1694 29 ; ; : 39928 1694 30 but but CC 39928 1694 31 there there EX 39928 1694 32 are be VBP 39928 1694 33 certain certain JJ 39928 1694 34 physical physical JJ 39928 1694 35 conditions condition NNS 39928 1694 36 which which WDT 39928 1694 37 seem seem VBP 39928 1694 38 absolutely absolutely RB 39928 1694 39 essential essential JJ 39928 1694 40 whatever whatever WDT 39928 1694 41 may may MD 39928 1694 42 be be VB 39928 1694 43 the the DT 39928 1694 44 elements element NNS 39928 1694 45 which which WDT 39928 1694 46 compose compose VBP 39928 1694 47 it -PRON- PRP 39928 1694 48 . . . 39928 1695 1 The the DT 39928 1695 2 first first JJ 39928 1695 3 of of IN 39928 1695 4 these these DT 39928 1695 5 essentials essential NNS 39928 1695 6 is be VBZ 39928 1695 7 an an DT 39928 1695 8 atmosphere atmosphere NN 39928 1695 9 which which WDT 39928 1695 10 shall shall MD 39928 1695 11 be be VB 39928 1695 12 of of IN 39928 1695 13 such such JJ 39928 1695 14 density density NN 39928 1695 15 at at IN 39928 1695 16 the the DT 39928 1695 17 surface surface NN 39928 1695 18 of of IN 39928 1695 19 the the DT 39928 1695 20 planet planet NN 39928 1695 21 , , , 39928 1695 22 and and CC 39928 1695 23 of of IN 39928 1695 24 so so RB 39928 1695 25 great great JJ 39928 1695 26 a a DT 39928 1695 27 bulk bulk NN 39928 1695 28 , , , 39928 1695 29 as as IN 39928 1695 30 to to TO 39928 1695 31 be be VB 39928 1695 32 not not RB 39928 1695 33 too too RB 39928 1695 34 rare rare JJ 39928 1695 35 to to TO 39928 1695 36 fulfil fulfil VB 39928 1695 37 its -PRON- PRP$ 39928 1695 38 various various JJ 39928 1695 39 functions function NNS 39928 1695 40 at at IN 39928 1695 41 all all DT 39928 1695 42 altitudes altitude NNS 39928 1695 43 where where WRB 39928 1695 44 there there EX 39928 1695 45 is be VBZ 39928 1695 46 a a DT 39928 1695 47 considerable considerable JJ 39928 1695 48 area area NN 39928 1695 49 of of IN 39928 1695 50 land land NN 39928 1695 51 . . . 39928 1696 1 What what WP 39928 1696 2 determines determine VBZ 39928 1696 3 the the DT 39928 1696 4 total total JJ 39928 1696 5 quantity quantity NN 39928 1696 6 of of IN 39928 1696 7 gaseous gaseous JJ 39928 1696 8 matter matter NN 39928 1696 9 on on IN 39928 1696 10 the the DT 39928 1696 11 surface surface NN 39928 1696 12 of of IN 39928 1696 13 a a DT 39928 1696 14 planet planet NN 39928 1696 15 will will MD 39928 1696 16 be be VB 39928 1696 17 , , , 39928 1696 18 mainly mainly RB 39928 1696 19 , , , 39928 1696 20 its -PRON- PRP$ 39928 1696 21 mass mass NN 39928 1696 22 , , , 39928 1696 23 together together RB 39928 1696 24 with with IN 39928 1696 25 the the DT 39928 1696 26 average average JJ 39928 1696 27 temperature temperature NN 39928 1696 28 of of IN 39928 1696 29 its -PRON- PRP$ 39928 1696 30 surface surface NN 39928 1696 31 . . . 39928 1697 1 The the DT 39928 1697 2 molecules molecule NNS 39928 1697 3 of of IN 39928 1697 4 gases gas NNS 39928 1697 5 are be VBP 39928 1697 6 in in IN 39928 1697 7 a a DT 39928 1697 8 state state NN 39928 1697 9 of of IN 39928 1697 10 rapid rapid JJ 39928 1697 11 motion motion NN 39928 1697 12 in in IN 39928 1697 13 all all DT 39928 1697 14 directions direction NNS 39928 1697 15 , , , 39928 1697 16 and and CC 39928 1697 17 the the DT 39928 1697 18 lighter light JJR 39928 1697 19 gases gas NNS 39928 1697 20 have have VBP 39928 1697 21 the the DT 39928 1697 22 most most RBS 39928 1697 23 rapid rapid JJ 39928 1697 24 motions motion NNS 39928 1697 25 . . . 39928 1698 1 The the DT 39928 1698 2 average average JJ 39928 1698 3 speed speed NN 39928 1698 4 of of IN 39928 1698 5 the the DT 39928 1698 6 motion motion NN 39928 1698 7 of of IN 39928 1698 8 the the DT 39928 1698 9 molecules molecule NNS 39928 1698 10 has have VBZ 39928 1698 11 been be VBN 39928 1698 12 roughly roughly RB 39928 1698 13 determined determine VBN 39928 1698 14 under under IN 39928 1698 15 varying vary VBG 39928 1698 16 conditions condition NNS 39928 1698 17 of of IN 39928 1698 18 pressure pressure NN 39928 1698 19 and and CC 39928 1698 20 temperature temperature NN 39928 1698 21 , , , 39928 1698 22 and and CC 39928 1698 23 also also RB 39928 1698 24 the the DT 39928 1698 25 probable probable JJ 39928 1698 26 maximum maximum NN 39928 1698 27 and and CC 39928 1698 28 minimum minimum JJ 39928 1698 29 rates rate NNS 39928 1698 30 , , , 39928 1698 31 and and CC 39928 1698 32 from from IN 39928 1698 33 these these DT 39928 1698 34 data datum NNS 39928 1698 35 , , , 39928 1698 36 and and CC 39928 1698 37 certain certain JJ 39928 1698 38 known know VBN 39928 1698 39 facts fact NNS 39928 1698 40 as as IN 39928 1698 41 to to IN 39928 1698 42 planetary planetary JJ 39928 1698 43 atmospheres atmosphere NNS 39928 1698 44 , , , 39928 1698 45 Mr. Mr. NNP 39928 1698 46 G. G. NNP 39928 1698 47 Johnstone Johnstone NNP 39928 1698 48 Stoney Stoney NNP 39928 1698 49 , , , 39928 1698 50 F.R.S. F.R.S. NNP 39928 1698 51 , , , 39928 1698 52 has have VBZ 39928 1698 53 calculated calculate VBN 39928 1698 54 what what WP 39928 1698 55 gases gas NNS 39928 1698 56 will will MD 39928 1698 57 escape escape VB 39928 1698 58 from from IN 39928 1698 59 the the DT 39928 1698 60 atmospheres atmosphere NNS 39928 1698 61 of of IN 39928 1698 62 the the DT 39928 1698 63 earth earth NN 39928 1698 64 and and CC 39928 1698 65 the the DT 39928 1698 66 other other JJ 39928 1698 67 planets planet NNS 39928 1698 68 . . . 39928 1699 1 He -PRON- PRP 39928 1699 2 finds find VBZ 39928 1699 3 that that IN 39928 1699 4 all all PDT 39928 1699 5 the the DT 39928 1699 6 gases gas NNS 39928 1699 7 which which WDT 39928 1699 8 are be VBP 39928 1699 9 constituents constituent NNS 39928 1699 10 of of IN 39928 1699 11 air air NN 39928 1699 12 have have VBP 39928 1699 13 such such PDT 39928 1699 14 comparatively comparatively RB 39928 1699 15 low low JJ 39928 1699 16 molecular molecular JJ 39928 1699 17 rates rate NNS 39928 1699 18 of of IN 39928 1699 19 motion motion NN 39928 1699 20 that that IN 39928 1699 21 the the DT 39928 1699 22 force force NN 39928 1699 23 of of IN 39928 1699 24 gravity gravity NN 39928 1699 25 at at IN 39928 1699 26 the the DT 39928 1699 27 upper upper JJ 39928 1699 28 limits limit NNS 39928 1699 29 of of IN 39928 1699 30 the the DT 39928 1699 31 earth earth NN 39928 1699 32 's 's POS 39928 1699 33 atmosphere atmosphere NN 39928 1699 34 is be VBZ 39928 1699 35 amply amply RB 39928 1699 36 sufficient sufficient JJ 39928 1699 37 to to TO 39928 1699 38 retain retain VB 39928 1699 39 them -PRON- PRP 39928 1699 40 ; ; : 39928 1699 41 hence hence RB 39928 1699 42 the the DT 39928 1699 43 stability stability NN 39928 1699 44 in in IN 39928 1699 45 its -PRON- PRP$ 39928 1699 46 composition composition NN 39928 1699 47 . . . 39928 1700 1 But but CC 39928 1700 2 there there EX 39928 1700 3 are be VBP 39928 1700 4 two two CD 39928 1700 5 other other JJ 39928 1700 6 gases gas NNS 39928 1700 7 , , , 39928 1700 8 hydrogen hydrogen NN 39928 1700 9 and and CC 39928 1700 10 helium helium NN 39928 1700 11 , , , 39928 1700 12 which which WDT 39928 1700 13 are be VBP 39928 1700 14 both both DT 39928 1700 15 known know VBN 39928 1700 16 to to TO 39928 1700 17 enter enter VB 39928 1700 18 the the DT 39928 1700 19 atmosphere atmosphere NN 39928 1700 20 , , , 39928 1700 21 but but CC 39928 1700 22 never never RB 39928 1700 23 accumulate accumulate VBP 39928 1700 24 so so IN 39928 1700 25 as as IN 39928 1700 26 to to TO 39928 1700 27 form form VB 39928 1700 28 any any DT 39928 1700 29 measurable measurable JJ 39928 1700 30 portion portion NN 39928 1700 31 of of IN 39928 1700 32 it -PRON- PRP 39928 1700 33 , , , 39928 1700 34 and and CC 39928 1700 35 these these DT 39928 1700 36 are be VBP 39928 1700 37 found find VBN 39928 1700 38 to to TO 39928 1700 39 have have VB 39928 1700 40 sufficient sufficient JJ 39928 1700 41 molecular molecular JJ 39928 1700 42 motion motion NN 39928 1700 43 to to TO 39928 1700 44 escape escape VB 39928 1700 45 from from IN 39928 1700 46 it -PRON- PRP 39928 1700 47 . . . 39928 1701 1 With with IN 39928 1701 2 regard regard NN 39928 1701 3 to to IN 39928 1701 4 hydrogen hydrogen NN 39928 1701 5 , , , 39928 1701 6 if if IN 39928 1701 7 the the DT 39928 1701 8 earth earth NN 39928 1701 9 were be VBD 39928 1701 10 much much RB 39928 1701 11 larger large JJR 39928 1701 12 and and CC 39928 1701 13 more more RBR 39928 1701 14 massive massive JJ 39928 1701 15 than than IN 39928 1701 16 it -PRON- PRP 39928 1701 17 is be VBZ 39928 1701 18 , , , 39928 1701 19 so so IN 39928 1701 20 as as IN 39928 1701 21 to to TO 39928 1701 22 retain retain VB 39928 1701 23 the the DT 39928 1701 24 hydrogen hydrogen NN 39928 1701 25 , , , 39928 1701 26 disastrous disastrous JJ 39928 1701 27 consequences consequence NNS 39928 1701 28 might may MD 39928 1701 29 ensue ensue VB 39928 1701 30 , , , 39928 1701 31 because because IN 39928 1701 32 , , , 39928 1701 33 whenever whenever WRB 39928 1701 34 a a DT 39928 1701 35 sufficient sufficient JJ 39928 1701 36 quantity quantity NN 39928 1701 37 of of IN 39928 1701 38 this this DT 39928 1701 39 gas gas NN 39928 1701 40 accumulated accumulate VBN 39928 1701 41 , , , 39928 1701 42 it -PRON- PRP 39928 1701 43 would would MD 39928 1701 44 form form VB 39928 1701 45 an an DT 39928 1701 46 explosive explosive JJ 39928 1701 47 mixture mixture NN 39928 1701 48 with with IN 39928 1701 49 the the DT 39928 1701 50 oxygen oxygen NN 39928 1701 51 of of IN 39928 1701 52 the the DT 39928 1701 53 atmosphere atmosphere NN 39928 1701 54 , , , 39928 1701 55 and and CC 39928 1701 56 a a DT 39928 1701 57 flash flash NN 39928 1701 58 of of IN 39928 1701 59 lightning lightning NN 39928 1701 60 or or CC 39928 1701 61 even even RB 39928 1701 62 the the DT 39928 1701 63 smallest small JJS 39928 1701 64 flame flame NN 39928 1701 65 would would MD 39928 1701 66 lead lead VB 39928 1701 67 to to IN 39928 1701 68 explosions explosion NNS 39928 1701 69 so so RB 39928 1701 70 violent violent JJ 39928 1701 71 and and CC 39928 1701 72 destructive destructive JJ 39928 1701 73 as as IN 39928 1701 74 perhaps perhaps RB 39928 1701 75 to to TO 39928 1701 76 render render VB 39928 1701 77 such such PDT 39928 1701 78 a a DT 39928 1701 79 planet planet NN 39928 1701 80 unsuited unsuited JJ 39928 1701 81 for for IN 39928 1701 82 the the DT 39928 1701 83 development development NN 39928 1701 84 of of IN 39928 1701 85 life life NN 39928 1701 86 . . . 39928 1702 1 We -PRON- PRP 39928 1702 2 appear appear VBP 39928 1702 3 , , , 39928 1702 4 therefore therefore RB 39928 1702 5 , , , 39928 1702 6 to to TO 39928 1702 7 be be VB 39928 1702 8 just just RB 39928 1702 9 at at IN 39928 1702 10 the the DT 39928 1702 11 major major JJ 39928 1702 12 limit limit NN 39928 1702 13 of of IN 39928 1702 14 mass mass NN 39928 1702 15 to to TO 39928 1702 16 secure secure VB 39928 1702 17 habitability habitability NN 39928 1702 18 , , , 39928 1702 19 except except IN 39928 1702 20 in in IN 39928 1702 21 such such JJ 39928 1702 22 planets planet NNS 39928 1702 23 as as IN 39928 1702 24 may may MD 39928 1702 25 have have VB 39928 1702 26 no no DT 39928 1702 27 continuous continuous JJ 39928 1702 28 supply supply NN 39928 1702 29 of of IN 39928 1702 30 free free JJ 39928 1702 31 hydrogen hydrogen NN 39928 1702 32 . . . 39928 1703 1 * * NFP 39928 1703 2 * * NFP 39928 1703 3 * * NFP 39928 1703 4 * * NFP 39928 1703 5 * * NFP 39928 1703 6 Perhaps perhaps RB 39928 1703 7 the the DT 39928 1703 8 most most RBS 39928 1703 9 important important JJ 39928 1703 10 mechanical mechanical JJ 39928 1703 11 functions function NNS 39928 1703 12 of of IN 39928 1703 13 the the DT 39928 1703 14 atmosphere atmosphere NN 39928 1703 15 dependent dependent JJ 39928 1703 16 on on IN 39928 1703 17 its -PRON- PRP$ 39928 1703 18 density density NN 39928 1703 19 are be VBP 39928 1703 20 : : : 39928 1703 21 ( ( -LRB- 39928 1703 22 1 1 LS 39928 1703 23 ) ) -RRB- 39928 1703 24 the the DT 39928 1703 25 production production NN 39928 1703 26 of of IN 39928 1703 27 winds wind NNS 39928 1703 28 , , , 39928 1703 29 which which WDT 39928 1703 30 in in IN 39928 1703 31 many many JJ 39928 1703 32 ways way NNS 39928 1703 33 bring bring VBP 39928 1703 34 about about RP 39928 1703 35 an an DT 39928 1703 36 equalisation equalisation NN 39928 1703 37 of of IN 39928 1703 38 temperature temperature NN 39928 1703 39 , , , 39928 1703 40 and and CC 39928 1703 41 which which WDT 39928 1703 42 also also RB 39928 1703 43 produce produce VBP 39928 1703 44 surface surface NN 39928 1703 45 - - HYPH 39928 1703 46 currents current NNS 39928 1703 47 on on IN 39928 1703 48 the the DT 39928 1703 49 ocean ocean NN 39928 1703 50 ; ; : 39928 1703 51 and and CC 39928 1703 52 ( ( -LRB- 39928 1703 53 2 2 LS 39928 1703 54 ) ) -RRB- 39928 1703 55 the the DT 39928 1703 56 distribution distribution NN 39928 1703 57 of of IN 39928 1703 58 moisture moisture NN 39928 1703 59 over over IN 39928 1703 60 the the DT 39928 1703 61 earth earth NN 39928 1703 62 by by IN 39928 1703 63 means mean NNS 39928 1703 64 of of IN 39928 1703 65 clouds cloud NNS 39928 1703 66 which which WDT 39928 1703 67 also also RB 39928 1703 68 have have VBP 39928 1703 69 other other JJ 39928 1703 70 important important JJ 39928 1703 71 functions function NNS 39928 1703 72 . . . 39928 1704 1 Winds wind NNS 39928 1704 2 depend depend VBP 39928 1704 3 primarily primarily RB 39928 1704 4 on on IN 39928 1704 5 the the DT 39928 1704 6 local local JJ 39928 1704 7 distribution distribution NN 39928 1704 8 of of IN 39928 1704 9 heat heat NN 39928 1704 10 in in IN 39928 1704 11 the the DT 39928 1704 12 air air NN 39928 1704 13 , , , 39928 1704 14 especially especially RB 39928 1704 15 on on IN 39928 1704 16 the the DT 39928 1704 17 great great JJ 39928 1704 18 amount amount NN 39928 1704 19 of of IN 39928 1704 20 heat heat NN 39928 1704 21 constantly constantly RB 39928 1704 22 present present JJ 39928 1704 23 in in IN 39928 1704 24 the the DT 39928 1704 25 equatorial equatorial JJ 39928 1704 26 zone zone NN 39928 1704 27 , , , 39928 1704 28 due due IN 39928 1704 29 to to IN 39928 1704 30 the the DT 39928 1704 31 sun sun NN 39928 1704 32 being be VBG 39928 1704 33 always always RB 39928 1704 34 nearly nearly RB 39928 1704 35 vertical vertical JJ 39928 1704 36 at at IN 39928 1704 37 noon noon NN 39928 1704 38 , , , 39928 1704 39 and and CC 39928 1704 40 to to IN 39928 1704 41 its -PRON- PRP$ 39928 1704 42 being be VBG 39928 1704 43 similarly similarly RB 39928 1704 44 vertical vertical JJ 39928 1704 45 at at IN 39928 1704 46 each each DT 39928 1704 47 tropic tropic NN 39928 1704 48 once once RB 39928 1704 49 a a DT 39928 1704 50 year year NN 39928 1704 51 , , , 39928 1704 52 with with IN 39928 1704 53 a a DT 39928 1704 54 longer long JJR 39928 1704 55 day day NN 39928 1704 56 , , , 39928 1704 57 leading lead VBG 39928 1704 58 to to IN 39928 1704 59 even even RB 39928 1704 60 higher high JJR 39928 1704 61 temperatures temperature NNS 39928 1704 62 than than IN 39928 1704 63 at at IN 39928 1704 64 the the DT 39928 1704 65 equator equator NN 39928 1704 66 , , , 39928 1704 67 and and CC 39928 1704 68 producing produce VBG 39928 1704 69 also also RB 39928 1704 70 that that IN 39928 1704 71 continuous continuous JJ 39928 1704 72 belt belt NN 39928 1704 73 of of IN 39928 1704 74 arid arid NNP 39928 1704 75 lands land NNS 39928 1704 76 or or CC 39928 1704 77 deserts desert NNS 39928 1704 78 which which WDT 39928 1704 79 almost almost RB 39928 1704 80 encircle encircle VBP 39928 1704 81 the the DT 39928 1704 82 globe globe NN 39928 1704 83 in in IN 39928 1704 84 the the DT 39928 1704 85 region region NN 39928 1704 86 of of IN 39928 1704 87 the the DT 39928 1704 88 tropics tropic NNS 39928 1704 89 . . . 39928 1705 1 Heated heated JJ 39928 1705 2 air air NN 39928 1705 3 being be VBG 39928 1705 4 lighter light JJR 39928 1705 5 , , , 39928 1705 6 the the DT 39928 1705 7 colder cold JJR 39928 1705 8 air air NN 39928 1705 9 from from IN 39928 1705 10 the the DT 39928 1705 11 temperate temperate NN 39928 1705 12 zones zone NNS 39928 1705 13 continually continually RB 39928 1705 14 flows flow VBZ 39928 1705 15 towards towards IN 39928 1705 16 it -PRON- PRP 39928 1705 17 , , , 39928 1705 18 lifting lift VBG 39928 1705 19 it -PRON- PRP 39928 1705 20 up up RP 39928 1705 21 and and CC 39928 1705 22 causing cause VBG 39928 1705 23 it -PRON- PRP 39928 1705 24 to to TO 39928 1705 25 flow flow VB 39928 1705 26 over over RP 39928 1705 27 , , , 39928 1705 28 as as IN 39928 1705 29 it -PRON- PRP 39928 1705 30 were be VBD 39928 1705 31 , , , 39928 1705 32 to to IN 39928 1705 33 the the DT 39928 1705 34 north north NN 39928 1705 35 and and CC 39928 1705 36 south south NN 39928 1705 37 . . . 39928 1706 1 But but CC 39928 1706 2 as as IN 39928 1706 3 the the DT 39928 1706 4 inflow inflow NN 39928 1706 5 comes come VBZ 39928 1706 6 from from IN 39928 1706 7 an an DT 39928 1706 8 area area NN 39928 1706 9 of of IN 39928 1706 10 less less RBR 39928 1706 11 rapid rapid JJ 39928 1706 12 to to IN 39928 1706 13 one one CD 39928 1706 14 of of IN 39928 1706 15 more more JJR 39928 1706 16 rapid rapid JJ 39928 1706 17 rotation rotation NN 39928 1706 18 , , , 39928 1706 19 the the DT 39928 1706 20 course course NN 39928 1706 21 of of IN 39928 1706 22 the the DT 39928 1706 23 air air NN 39928 1706 24 is be VBZ 39928 1706 25 diverted divert VBN 39928 1706 26 , , , 39928 1706 27 and and CC 39928 1706 28 produces produce VBZ 39928 1706 29 the the DT 39928 1706 30 north north NN 39928 1706 31 - - HYPH 39928 1706 32 east east NN 39928 1706 33 and and CC 39928 1706 34 south south JJ 39928 1706 35 - - HYPH 39928 1706 36 east east JJ 39928 1706 37 trades trade NNS 39928 1706 38 ; ; : 39928 1706 39 while while IN 39928 1706 40 the the DT 39928 1706 41 overflow overflow NN 39928 1706 42 from from IN 39928 1706 43 the the DT 39928 1706 44 equator equator NN 39928 1706 45 going go VBG 39928 1706 46 to to IN 39928 1706 47 an an DT 39928 1706 48 area area NN 39928 1706 49 of of IN 39928 1706 50 less less JJR 39928 1706 51 rapid rapid JJ 39928 1706 52 rotation rotation NN 39928 1706 53 , , , 39928 1706 54 turns turn VBZ 39928 1706 55 westward westward RB 39928 1706 56 and and CC 39928 1706 57 produces produce VBZ 39928 1706 58 the the DT 39928 1706 59 south south JJ 39928 1706 60 - - HYPH 39928 1706 61 west west NN 39928 1706 62 winds wind NNS 39928 1706 63 so so RB 39928 1706 64 prevalent prevalent JJ 39928 1706 65 over over IN 39928 1706 66 the the DT 39928 1706 67 north north JJ 39928 1706 68 Atlantic Atlantic NNP 39928 1706 69 and and CC 39928 1706 70 the the DT 39928 1706 71 north north NN 39928 1706 72 temperate temperate NN 39928 1706 73 zone zone NN 39928 1706 74 generally generally RB 39928 1706 75 , , , 39928 1706 76 and and CC 39928 1706 77 the the DT 39928 1706 78 north north NN 39928 1706 79 - - HYPH 39928 1706 80 west west NN 39928 1706 81 in in IN 39928 1706 82 the the DT 39928 1706 83 southern southern JJ 39928 1706 84 hemisphere hemisphere NN 39928 1706 85 . . . 39928 1707 1 It -PRON- PRP 39928 1707 2 is be VBZ 39928 1707 3 outside outside IN 39928 1707 4 the the DT 39928 1707 5 zone zone NN 39928 1707 6 of of IN 39928 1707 7 the the DT 39928 1707 8 equable equable JJ 39928 1707 9 trade trade NN 39928 1707 10 - - HYPH 39928 1707 11 winds wind NNS 39928 1707 12 , , , 39928 1707 13 and and CC 39928 1707 14 in in IN 39928 1707 15 a a DT 39928 1707 16 region region NN 39928 1707 17 a a DT 39928 1707 18 few few JJ 39928 1707 19 degrees degree NNS 39928 1707 20 on on IN 39928 1707 21 each each DT 39928 1707 22 side side NN 39928 1707 23 of of IN 39928 1707 24 the the DT 39928 1707 25 tropics tropic NNS 39928 1707 26 , , , 39928 1707 27 that that IN 39928 1707 28 destructive destructive JJ 39928 1707 29 hurricanes hurricane NNS 39928 1707 30 and and CC 39928 1707 31 typhoons typhoon NNS 39928 1707 32 prevail prevail VBP 39928 1707 33 . . . 39928 1708 1 These these DT 39928 1708 2 are be VBP 39928 1708 3 really really RB 39928 1708 4 enormous enormous JJ 39928 1708 5 whirlwinds whirlwind NNS 39928 1708 6 due due JJ 39928 1708 7 to to IN 39928 1708 8 the the DT 39928 1708 9 intensely intensely RB 39928 1708 10 heated heated JJ 39928 1708 11 atmosphere atmosphere NN 39928 1708 12 over over IN 39928 1708 13 the the DT 39928 1708 14 arid arid NN 39928 1708 15 regions region NNS 39928 1708 16 already already RB 39928 1708 17 mentioned mention VBD 39928 1708 18 , , , 39928 1708 19 causing cause VBG 39928 1708 20 an an DT 39928 1708 21 inrush inrush NN 39928 1708 22 of of IN 39928 1708 23 cool cool JJ 39928 1708 24 air air NN 39928 1708 25 from from IN 39928 1708 26 various various JJ 39928 1708 27 directions direction NNS 39928 1708 28 , , , 39928 1708 29 thus thus RB 39928 1708 30 setting set VBG 39928 1708 31 up up RP 39928 1708 32 a a DT 39928 1708 33 rotatory rotatory JJ 39928 1708 34 motion motion NN 39928 1708 35 which which WDT 39928 1708 36 increases increase VBZ 39928 1708 37 in in IN 39928 1708 38 rapidity rapidity NN 39928 1708 39 till till IN 39928 1708 40 equilibrium equilibrium NN 39928 1708 41 is be VBZ 39928 1708 42 restored restore VBN 39928 1708 43 . . . 39928 1709 1 The the DT 39928 1709 2 hurricanes hurricane NNS 39928 1709 3 of of IN 39928 1709 4 the the DT 39928 1709 5 West West NNP 39928 1709 6 Indies Indies NNPS 39928 1709 7 and and CC 39928 1709 8 Mauritius Mauritius NNP 39928 1709 9 , , , 39928 1709 10 and and CC 39928 1709 11 the the DT 39928 1709 12 typhoons typhoon NNS 39928 1709 13 of of IN 39928 1709 14 the the DT 39928 1709 15 Eastern eastern JJ 39928 1709 16 seas sea NNS 39928 1709 17 , , , 39928 1709 18 are be VBP 39928 1709 19 thus thus RB 39928 1709 20 caused cause VBN 39928 1709 21 . . . 39928 1710 1 Some some DT 39928 1710 2 of of IN 39928 1710 3 these these DT 39928 1710 4 storms storm NNS 39928 1710 5 are be VBP 39928 1710 6 so so RB 39928 1710 7 violent violent JJ 39928 1710 8 that that IN 39928 1710 9 no no DT 39928 1710 10 human human JJ 39928 1710 11 structures structure NNS 39928 1710 12 can can MD 39928 1710 13 resist resist VB 39928 1710 14 them -PRON- PRP 39928 1710 15 , , , 39928 1710 16 while while IN 39928 1710 17 the the DT 39928 1710 18 largest large JJS 39928 1710 19 and and CC 39928 1710 20 most most RBS 39928 1710 21 vigorous vigorous JJ 39928 1710 22 trees tree NNS 39928 1710 23 are be VBP 39928 1710 24 torn tear VBN 39928 1710 25 to to IN 39928 1710 26 pieces piece NNS 39928 1710 27 or or CC 39928 1710 28 overturned overturn VBN 39928 1710 29 by by IN 39928 1710 30 them -PRON- PRP 39928 1710 31 . . . 39928 1711 1 But but CC 39928 1711 2 if if IN 39928 1711 3 our -PRON- PRP$ 39928 1711 4 atmosphere atmosphere NN 39928 1711 5 were be VBD 39928 1711 6 much much JJ 39928 1711 7 denser denser NN 39928 1711 8 than than IN 39928 1711 9 it -PRON- PRP 39928 1711 10 is be VBZ 39928 1711 11 , , , 39928 1711 12 its -PRON- PRP$ 39928 1711 13 increased increased JJ 39928 1711 14 weight weight NN 39928 1711 15 would would MD 39928 1711 16 give give VB 39928 1711 17 it -PRON- PRP 39928 1711 18 still still RB 39928 1711 19 greater great JJR 39928 1711 20 destructive destructive JJ 39928 1711 21 force force NN 39928 1711 22 ; ; : 39928 1711 23 and and CC 39928 1711 24 if if IN 39928 1711 25 to to IN 39928 1711 26 this this DT 39928 1711 27 were be VBD 39928 1711 28 added add VBN 39928 1711 29 a a DT 39928 1711 30 somewhat somewhat RB 39928 1711 31 greater great JJR 39928 1711 32 amount amount NN 39928 1711 33 of of IN 39928 1711 34 sun sun NN 39928 1711 35 - - HYPH 39928 1711 36 heat heat NNP 39928 1711 37 -- -- : 39928 1711 38 which which WDT 39928 1711 39 might may MD 39928 1711 40 be be VB 39928 1711 41 due due JJ 39928 1711 42 either either CC 39928 1711 43 to to IN 39928 1711 44 our -PRON- PRP$ 39928 1711 45 greater great JJR 39928 1711 46 proximity proximity NN 39928 1711 47 to to IN 39928 1711 48 the the DT 39928 1711 49 sun sun NN 39928 1711 50 or or CC 39928 1711 51 to to IN 39928 1711 52 the the DT 39928 1711 53 sun sun NN 39928 1711 54 's 's POS 39928 1711 55 greater great JJR 39928 1711 56 size size NN 39928 1711 57 or or CC 39928 1711 58 greater great JJR 39928 1711 59 heat heat NN 39928 1711 60 - - HYPH 39928 1711 61 intensity intensity NN 39928 1711 62 , , , 39928 1711 63 these these DT 39928 1711 64 tempests tempest NNS 39928 1711 65 might may MD 39928 1711 66 be be VB 39928 1711 67 so so RB 39928 1711 68 increased increase VBN 39928 1711 69 in in IN 39928 1711 70 frequency frequency NN 39928 1711 71 and and CC 39928 1711 72 violence violence NN 39928 1711 73 as as IN 39928 1711 74 to to TO 39928 1711 75 render render VB 39928 1711 76 considerable considerable JJ 39928 1711 77 portions portion NNS 39928 1711 78 of of IN 39928 1711 79 the the DT 39928 1711 80 earth earth NN 39928 1711 81 uninhabitable uninhabitable JJ 39928 1711 82 . . . 39928 1712 1 The the DT 39928 1712 2 constant constant JJ 39928 1712 3 and and CC 39928 1712 4 equable equable JJ 39928 1712 5 trade trade NN 39928 1712 6 - - HYPH 39928 1712 7 winds wind NNS 39928 1712 8 have have VBP 39928 1712 9 a a DT 39928 1712 10 very very RB 39928 1712 11 important important JJ 39928 1712 12 function function NN 39928 1712 13 in in IN 39928 1712 14 initiating initiate VBG 39928 1712 15 those those DT 39928 1712 16 far far RB 39928 1712 17 - - HYPH 39928 1712 18 reaching reach VBG 39928 1712 19 ocean ocean NN 39928 1712 20 - - HYPH 39928 1712 21 currents current NNS 39928 1712 22 which which WDT 39928 1712 23 are be VBP 39928 1712 24 of of IN 39928 1712 25 the the DT 39928 1712 26 greatest great JJS 39928 1712 27 importance importance NN 39928 1712 28 in in IN 39928 1712 29 equalising equalise VBG 39928 1712 30 temperature temperature NN 39928 1712 31 . . . 39928 1713 1 The the DT 39928 1713 2 well well RB 39928 1713 3 known know VBN 39928 1713 4 Gulf Gulf NNP 39928 1713 5 Stream Stream NNP 39928 1713 6 is be VBZ 39928 1713 7 to to IN 39928 1713 8 us -PRON- PRP 39928 1713 9 the the DT 39928 1713 10 most most RBS 39928 1713 11 important important JJ 39928 1713 12 of of IN 39928 1713 13 these these DT 39928 1713 14 currents current NNS 39928 1713 15 , , , 39928 1713 16 because because IN 39928 1713 17 it -PRON- PRP 39928 1713 18 plays play VBZ 39928 1713 19 the the DT 39928 1713 20 chief chief JJ 39928 1713 21 part part NN 39928 1713 22 in in IN 39928 1713 23 giving give VBG 39928 1713 24 us -PRON- PRP 39928 1713 25 the the DT 39928 1713 26 mild mild JJ 39928 1713 27 climate climate NN 39928 1713 28 we -PRON- PRP 39928 1713 29 enjoy enjoy VBP 39928 1713 30 in in IN 39928 1713 31 common common NN 39928 1713 32 with with IN 39928 1713 33 the the DT 39928 1713 34 whole whole NN 39928 1713 35 of of IN 39928 1713 36 Western Western NNP 39928 1713 37 Europe Europe NNP 39928 1713 38 , , , 39928 1713 39 a a DT 39928 1713 40 mildness mildness NN 39928 1713 41 which which WDT 39928 1713 42 is be VBZ 39928 1713 43 felt feel VBN 39928 1713 44 to to IN 39928 1713 45 a a DT 39928 1713 46 considerable considerable JJ 39928 1713 47 distance distance NN 39928 1713 48 within within IN 39928 1713 49 the the DT 39928 1713 50 Arctic Arctic NNP 39928 1713 51 Circle Circle NNP 39928 1713 52 ; ; : 39928 1713 53 and and CC 39928 1713 54 , , , 39928 1713 55 in in IN 39928 1713 56 conjunction conjunction NN 39928 1713 57 with with IN 39928 1713 58 the the DT 39928 1713 59 Japan Japan NNP 39928 1713 60 current current NN 39928 1713 61 , , , 39928 1713 62 which which WDT 39928 1713 63 does do VBZ 39928 1713 64 the the DT 39928 1713 65 same same JJ 39928 1713 66 for for IN 39928 1713 67 the the DT 39928 1713 68 whole whole NN 39928 1713 69 of of IN 39928 1713 70 the the DT 39928 1713 71 temperate temperate NN 39928 1713 72 regions region NNS 39928 1713 73 of of IN 39928 1713 74 the the DT 39928 1713 75 North North NNP 39928 1713 76 Pacific Pacific NNP 39928 1713 77 , , , 39928 1713 78 renders render VBZ 39928 1713 79 a a DT 39928 1713 80 large large JJ 39928 1713 81 portion portion NN 39928 1713 82 of of IN 39928 1713 83 the the DT 39928 1713 84 globe globe NN 39928 1713 85 better well RBR 39928 1713 86 adapted adapt VBD 39928 1713 87 for for IN 39928 1713 88 life life NN 39928 1713 89 than than IN 39928 1713 90 it -PRON- PRP 39928 1713 91 would would MD 39928 1713 92 be be VB 39928 1713 93 without without IN 39928 1713 94 these these DT 39928 1713 95 beneficial beneficial JJ 39928 1713 96 influences influence NNS 39928 1713 97 . . . 39928 1714 1 These these DT 39928 1714 2 equalising equalising NN 39928 1714 3 currents current NNS 39928 1714 4 , , , 39928 1714 5 however however RB 39928 1714 6 , , , 39928 1714 7 are be VBP 39928 1714 8 almost almost RB 39928 1714 9 entirely entirely RB 39928 1714 10 due due JJ 39928 1714 11 to to IN 39928 1714 12 the the DT 39928 1714 13 form form NN 39928 1714 14 and and CC 39928 1714 15 position position NN 39928 1714 16 of of IN 39928 1714 17 the the DT 39928 1714 18 continents continent NNS 39928 1714 19 , , , 39928 1714 20 and and CC 39928 1714 21 especially especially RB 39928 1714 22 to to IN 39928 1714 23 the the DT 39928 1714 24 fact fact NN 39928 1714 25 that that IN 39928 1714 26 they -PRON- PRP 39928 1714 27 are be VBP 39928 1714 28 so so RB 39928 1714 29 situated situated JJ 39928 1714 30 as as IN 39928 1714 31 to to TO 39928 1714 32 leave leave VB 39928 1714 33 vast vast JJ 39928 1714 34 expanses expanse NNS 39928 1714 35 of of IN 39928 1714 36 ocean ocean NN 39928 1714 37 along along IN 39928 1714 38 the the DT 39928 1714 39 equatorial equatorial JJ 39928 1714 40 zone zone NN 39928 1714 41 , , , 39928 1714 42 and and CC 39928 1714 43 extending extend VBG 39928 1714 44 north north NN 39928 1714 45 and and CC 39928 1714 46 south south NN 39928 1714 47 to to IN 39928 1714 48 the the DT 39928 1714 49 arctic arctic JJ 39928 1714 50 and and CC 39928 1714 51 antarctic antarctic JJ 39928 1714 52 regions region NNS 39928 1714 53 . . . 39928 1715 1 If if IN 39928 1715 2 with with IN 39928 1715 3 the the DT 39928 1715 4 same same JJ 39928 1715 5 amount amount NN 39928 1715 6 of of IN 39928 1715 7 land land NN 39928 1715 8 the the DT 39928 1715 9 continents continent NNS 39928 1715 10 had have VBD 39928 1715 11 been be VBN 39928 1715 12 so so RB 39928 1715 13 grouped group VBN 39928 1715 14 as as IN 39928 1715 15 to to TO 39928 1715 16 occupy occupy VB 39928 1715 17 a a DT 39928 1715 18 considerable considerable JJ 39928 1715 19 portion portion NN 39928 1715 20 of of IN 39928 1715 21 the the DT 39928 1715 22 equatorial equatorial JJ 39928 1715 23 oceans ocean NNS 39928 1715 24 -- -- : 39928 1715 25 such such JJ 39928 1715 26 as as IN 39928 1715 27 would would MD 39928 1715 28 have have VB 39928 1715 29 been be VBN 39928 1715 30 the the DT 39928 1715 31 case case NN 39928 1715 32 had have VBD 39928 1715 33 Africa Africa NNP 39928 1715 34 been be VBN 39928 1715 35 turned turn VBN 39928 1715 36 so so IN 39928 1715 37 as as IN 39928 1715 38 to to TO 39928 1715 39 join join VB 39928 1715 40 South South NNP 39928 1715 41 America America NNP 39928 1715 42 , , , 39928 1715 43 and and CC 39928 1715 44 Asia Asia NNP 39928 1715 45 been be VBN 39928 1715 46 brought bring VBN 39928 1715 47 to to IN 39928 1715 48 the the DT 39928 1715 49 south south NN 39928 1715 50 - - HYPH 39928 1715 51 east east NN 39928 1715 52 so so IN 39928 1715 53 as as IN 39928 1715 54 to to TO 39928 1715 55 take take VB 39928 1715 56 the the DT 39928 1715 57 place place NN 39928 1715 58 of of IN 39928 1715 59 part part NN 39928 1715 60 of of IN 39928 1715 61 the the DT 39928 1715 62 equatorial equatorial JJ 39928 1715 63 Pacific Pacific NNP 39928 1715 64 , , , 39928 1715 65 then then RB 39928 1715 66 the the DT 39928 1715 67 great great JJ 39928 1715 68 ocean ocean NN 39928 1715 69 - - HYPH 39928 1715 70 currents current NNS 39928 1715 71 could could MD 39928 1715 72 have have VB 39928 1715 73 been be VBN 39928 1715 74 but but CC 39928 1715 75 feeble feeble JJ 39928 1715 76 or or CC 39928 1715 77 have have VBP 39928 1715 78 hardly hardly RB 39928 1715 79 existed exist VBN 39928 1715 80 . . . 39928 1716 1 Without without IN 39928 1716 2 these these DT 39928 1716 3 currents current NNS 39928 1716 4 much much JJ 39928 1716 5 of of IN 39928 1716 6 the the DT 39928 1716 7 north north NN 39928 1716 8 and and CC 39928 1716 9 south south NN 39928 1716 10 temperate temperate NN 39928 1716 11 lands land NNS 39928 1716 12 would would MD 39928 1716 13 have have VB 39928 1716 14 been be VBN 39928 1716 15 buried bury VBN 39928 1716 16 in in IN 39928 1716 17 ice ice NN 39928 1716 18 , , , 39928 1716 19 while while IN 39928 1716 20 the the DT 39928 1716 21 largest large JJS 39928 1716 22 portion portion NN 39928 1716 23 of of IN 39928 1716 24 the the DT 39928 1716 25 continents continent NNS 39928 1716 26 would would MD 39928 1716 27 have have VB 39928 1716 28 been be VBN 39928 1716 29 so so RB 39928 1716 30 intensely intensely RB 39928 1716 31 heated heat VBN 39928 1716 32 as as IN 39928 1716 33 perhaps perhaps RB 39928 1716 34 to to TO 39928 1716 35 be be VB 39928 1716 36 unsuited unsuited JJ 39928 1716 37 for for IN 39928 1716 38 the the DT 39928 1716 39 development development NN 39928 1716 40 of of IN 39928 1716 41 the the DT 39928 1716 42 higher high JJR 39928 1716 43 forms form NNS 39928 1716 44 of of IN 39928 1716 45 animal animal NN 39928 1716 46 life life NN 39928 1716 47 , , , 39928 1716 48 since since IN 39928 1716 49 we -PRON- PRP 39928 1716 50 have have VBP 39928 1716 51 shown show VBN 39928 1716 52 ( ( -LRB- 39928 1716 53 in in IN 39928 1716 54 chapters chapter NNS 39928 1716 55 X. X. NNP 39928 1716 56 and and CC 39928 1716 57 XI XI NNP 39928 1716 58 . . . 39928 1716 59 ) ) -RRB- 39928 1717 1 how how WRB 39928 1717 2 delicate delicate JJ 39928 1717 3 is be VBZ 39928 1717 4 the the DT 39928 1717 5 balance balance NN 39928 1717 6 and and CC 39928 1717 7 how how WRB 39928 1717 8 narrow narrow JJ 39928 1717 9 the the DT 39928 1717 10 limits limit NNS 39928 1717 11 of of IN 39928 1717 12 temperature temperature NN 39928 1717 13 which which WDT 39928 1717 14 are be VBP 39928 1717 15 required require VBN 39928 1717 16 . . . 39928 1718 1 There there EX 39928 1718 2 seems seem VBZ 39928 1718 3 to to TO 39928 1718 4 be be VB 39928 1718 5 no no DT 39928 1718 6 reason reason NN 39928 1718 7 whatever whatever WDT 39928 1718 8 why why WRB 39928 1718 9 some some DT 39928 1718 10 such such JJ 39928 1718 11 distribution distribution NN 39928 1718 12 of of IN 39928 1718 13 the the DT 39928 1718 14 sea sea NN 39928 1718 15 and and CC 39928 1718 16 land land NN 39928 1718 17 should should MD 39928 1718 18 not not RB 39928 1718 19 have have VB 39928 1718 20 existed exist VBN 39928 1718 21 , , , 39928 1718 22 had have VBD 39928 1718 23 it -PRON- PRP 39928 1718 24 not not RB 39928 1718 25 been be VBN 39928 1718 26 for for IN 39928 1718 27 the the DT 39928 1718 28 admittedly admittedly RB 39928 1718 29 exceptional exceptional JJ 39928 1718 30 conditions condition NNS 39928 1718 31 which which WDT 39928 1718 32 led lead VBD 39928 1718 33 to to IN 39928 1718 34 the the DT 39928 1718 35 production production NN 39928 1718 36 of of IN 39928 1718 37 our -PRON- PRP$ 39928 1718 38 satellite satellite NN 39928 1718 39 , , , 39928 1718 40 thus thus RB 39928 1718 41 necessarily necessarily RB 39928 1718 42 forming form VBG 39928 1718 43 vast vast JJ 39928 1718 44 chasms chasm NNS 39928 1718 45 along along IN 39928 1718 46 the the DT 39928 1718 47 region region NN 39928 1718 48 of of IN 39928 1718 49 the the DT 39928 1718 50 equator equator NN 39928 1718 51 where where WRB 39928 1718 52 centrifugal centrifugal JJ 39928 1718 53 force force NN 39928 1718 54 as as RB 39928 1718 55 well well RB 39928 1718 56 as as IN 39928 1718 57 the the DT 39928 1718 58 internal internal JJ 39928 1718 59 solar solar JJ 39928 1718 60 tides tide NNS 39928 1718 61 were be VBD 39928 1718 62 most most RBS 39928 1718 63 powerful powerful JJ 39928 1718 64 , , , 39928 1718 65 and and CC 39928 1718 66 where where WRB 39928 1718 67 the the DT 39928 1718 68 thin thin JJ 39928 1718 69 crust crust NN 39928 1718 70 was be VBD 39928 1718 71 thus thus RB 39928 1718 72 compelled compel VBN 39928 1718 73 to to TO 39928 1718 74 give give VB 39928 1718 75 way way NN 39928 1718 76 . . . 39928 1719 1 And and CC 39928 1719 2 as as IN 39928 1719 3 the the DT 39928 1719 4 highest high JJS 39928 1719 5 authorities authority NNS 39928 1719 6 declare declare VBP 39928 1719 7 that that IN 39928 1719 8 there there EX 39928 1719 9 are be VBP 39928 1719 10 no no DT 39928 1719 11 indications indication NNS 39928 1719 12 of of IN 39928 1719 13 such such PDT 39928 1719 14 an an DT 39928 1719 15 origin origin NN 39928 1719 16 of of IN 39928 1719 17 satellites satellite NNS 39928 1719 18 in in IN 39928 1719 19 the the DT 39928 1719 20 case case NN 39928 1719 21 of of IN 39928 1719 22 any any DT 39928 1719 23 other other JJ 39928 1719 24 planet planet NN 39928 1719 25 , , , 39928 1719 26 the the DT 39928 1719 27 whole whole JJ 39928 1719 28 series series NN 39928 1719 29 of of IN 39928 1719 30 conditions condition NNS 39928 1719 31 favourable favourable JJ 39928 1719 32 to to IN 39928 1719 33 life life NN 39928 1719 34 on on IN 39928 1719 35 the the DT 39928 1719 36 earth earth NN 39928 1719 37 become become VBP 39928 1719 38 all all PDT 39928 1719 39 the the DT 39928 1719 40 more more RBR 39928 1719 41 remarkable remarkable JJ 39928 1719 42 . . . 39928 1720 1 CLOUDS CLOUDS NNP 39928 1720 2 , , , 39928 1720 3 THEIR their NN 39928 1720 4 IMPORTANCE importance NN 39928 1720 5 AND and CC 39928 1720 6 THEIR their NN 39928 1720 7 CAUSES cause NNS 39928 1720 8 Few few JJ 39928 1720 9 persons person NNS 39928 1720 10 have have VBP 39928 1720 11 any any DT 39928 1720 12 adequate adequate JJ 39928 1720 13 conception conception NN 39928 1720 14 of of IN 39928 1720 15 the the DT 39928 1720 16 real real JJ 39928 1720 17 nature nature NN 39928 1720 18 of of IN 39928 1720 19 clouds cloud NNS 39928 1720 20 and and CC 39928 1720 21 of of IN 39928 1720 22 the the DT 39928 1720 23 important important JJ 39928 1720 24 part part NN 39928 1720 25 they -PRON- PRP 39928 1720 26 take take VBP 39928 1720 27 in in RP 39928 1720 28 rendering render VBG 39928 1720 29 our -PRON- PRP$ 39928 1720 30 world world NN 39928 1720 31 a a DT 39928 1720 32 habitable habitable NN 39928 1720 33 and and CC 39928 1720 34 an an DT 39928 1720 35 enjoyable enjoyable JJ 39928 1720 36 one one CD 39928 1720 37 . . . 39928 1721 1 On on IN 39928 1721 2 the the DT 39928 1721 3 average average NN 39928 1721 4 , , , 39928 1721 5 the the DT 39928 1721 6 rainfall rainfall NN 39928 1721 7 over over IN 39928 1721 8 the the DT 39928 1721 9 oceans ocean NNS 39928 1721 10 is be VBZ 39928 1721 11 much much RB 39928 1721 12 less less JJR 39928 1721 13 than than IN 39928 1721 14 over over IN 39928 1721 15 the the DT 39928 1721 16 land land NN 39928 1721 17 , , , 39928 1721 18 the the DT 39928 1721 19 whole whole JJ 39928 1721 20 region region NN 39928 1721 21 of of IN 39928 1721 22 the the DT 39928 1721 23 trade trade NN 39928 1721 24 - - HYPH 39928 1721 25 winds wind NNS 39928 1721 26 having have VBG 39928 1721 27 usually usually RB 39928 1721 28 a a DT 39928 1721 29 cloudless cloudless JJ 39928 1721 30 sky sky NN 39928 1721 31 and and CC 39928 1721 32 very very RB 39928 1721 33 little little JJ 39928 1721 34 rain rain NN 39928 1721 35 ; ; : 39928 1721 36 but but CC 39928 1721 37 in in IN 39928 1721 38 the the DT 39928 1721 39 intervening intervene VBG 39928 1721 40 belt belt NN 39928 1721 41 of of IN 39928 1721 42 calms calm NNS 39928 1721 43 , , , 39928 1721 44 near near RB 39928 1721 45 to to IN 39928 1721 46 the the DT 39928 1721 47 equator equator NN 39928 1721 48 , , , 39928 1721 49 a a DT 39928 1721 50 cloudy cloudy JJ 39928 1721 51 sky sky NN 39928 1721 52 and and CC 39928 1721 53 heavy heavy JJ 39928 1721 54 rains rain NNS 39928 1721 55 are be VBP 39928 1721 56 frequent frequent JJ 39928 1721 57 . . . 39928 1722 1 This this DT 39928 1722 2 arises arise VBZ 39928 1722 3 from from IN 39928 1722 4 the the DT 39928 1722 5 fact fact NN 39928 1722 6 that that IN 39928 1722 7 the the DT 39928 1722 8 warm warm JJ 39928 1722 9 , , , 39928 1722 10 moist moist JJ 39928 1722 11 air air NN 39928 1722 12 over over IN 39928 1722 13 the the DT 39928 1722 14 ocean ocean NN 39928 1722 15 is be VBZ 39928 1722 16 raised raise VBN 39928 1722 17 upwards upwards RB 39928 1722 18 , , , 39928 1722 19 by by IN 39928 1722 20 the the DT 39928 1722 21 cold cold JJ 39928 1722 22 and and CC 39928 1722 23 heavy heavy JJ 39928 1722 24 air air NN 39928 1722 25 from from IN 39928 1722 26 north north NN 39928 1722 27 and and CC 39928 1722 28 south south NN 39928 1722 29 , , , 39928 1722 30 into into IN 39928 1722 31 a a DT 39928 1722 32 cooler cool JJR 39928 1722 33 region region NN 39928 1722 34 where where WRB 39928 1722 35 it -PRON- PRP 39928 1722 36 can can MD 39928 1722 37 not not RB 39928 1722 38 hold hold VB 39928 1722 39 so so RB 39928 1722 40 much much RB 39928 1722 41 aqueous aqueous JJ 39928 1722 42 vapour vapour NN 39928 1722 43 , , , 39928 1722 44 which which WDT 39928 1722 45 is be VBZ 39928 1722 46 there there EX 39928 1722 47 condensed condense VBN 39928 1722 48 and and CC 39928 1722 49 falls fall VBZ 39928 1722 50 as as IN 39928 1722 51 rain rain NN 39928 1722 52 . . . 39928 1723 1 Generally generally RB 39928 1723 2 , , , 39928 1723 3 wherever wherever WRB 39928 1723 4 the the DT 39928 1723 5 winds wind NNS 39928 1723 6 blow blow VBP 39928 1723 7 over over IN 39928 1723 8 extensive extensive JJ 39928 1723 9 areas area NNS 39928 1723 10 of of IN 39928 1723 11 water water NN 39928 1723 12 on on IN 39928 1723 13 to to IN 39928 1723 14 the the DT 39928 1723 15 land land NN 39928 1723 16 , , , 39928 1723 17 especially especially RB 39928 1723 18 if if IN 39928 1723 19 there there EX 39928 1723 20 are be VBP 39928 1723 21 mountains mountain NNS 39928 1723 22 or or CC 39928 1723 23 elevated elevate VBN 39928 1723 24 plateaus plateaus NN 39928 1723 25 which which WDT 39928 1723 26 cause cause VBP 39928 1723 27 the the DT 39928 1723 28 moisture moisture NN 39928 1723 29 - - HYPH 39928 1723 30 laden laden JJ 39928 1723 31 air air NN 39928 1723 32 to to TO 39928 1723 33 rise rise VB 39928 1723 34 to to IN 39928 1723 35 heights height NNS 39928 1723 36 where where WRB 39928 1723 37 the the DT 39928 1723 38 temperature temperature NN 39928 1723 39 is be VBZ 39928 1723 40 lower low JJR 39928 1723 41 , , , 39928 1723 42 clouds cloud NNS 39928 1723 43 are be VBP 39928 1723 44 formed form VBN 39928 1723 45 and and CC 39928 1723 46 more more JJR 39928 1723 47 or or CC 39928 1723 48 less less JJR 39928 1723 49 rain rain NN 39928 1723 50 falls fall VBZ 39928 1723 51 . . . 39928 1724 1 But but CC 39928 1724 2 if if IN 39928 1724 3 the the DT 39928 1724 4 land land NN 39928 1724 5 is be VBZ 39928 1724 6 of of IN 39928 1724 7 an an DT 39928 1724 8 arid arid NN 39928 1724 9 nature nature NN 39928 1724 10 and and CC 39928 1724 11 much much JJ 39928 1724 12 heated heat VBN 39928 1724 13 by by IN 39928 1724 14 the the DT 39928 1724 15 sun sun NN 39928 1724 16 , , , 39928 1724 17 the the DT 39928 1724 18 air air NN 39928 1724 19 becomes become VBZ 39928 1724 20 capable capable JJ 39928 1724 21 of of IN 39928 1724 22 holding hold VBG 39928 1724 23 still still RB 39928 1724 24 more more RBR 39928 1724 25 aqueous aqueous JJ 39928 1724 26 vapour vapour NN 39928 1724 27 , , , 39928 1724 28 and and CC 39928 1724 29 even even RB 39928 1724 30 dense dense JJ 39928 1724 31 rain rain NN 39928 1724 32 - - HYPH 39928 1724 33 clouds cloud NNS 39928 1724 34 disperse disperse NN 39928 1724 35 without without IN 39928 1724 36 producing produce VBG 39928 1724 37 any any DT 39928 1724 38 rainfall rainfall NN 39928 1724 39 . . . 39928 1725 1 From from IN 39928 1725 2 these these DT 39928 1725 3 simple simple JJ 39928 1725 4 causes cause NNS 39928 1725 5 , , , 39928 1725 6 with with IN 39928 1725 7 the the DT 39928 1725 8 large large JJ 39928 1725 9 area area NN 39928 1725 10 of of IN 39928 1725 11 sea sea NN 39928 1725 12 as as IN 39928 1725 13 compared compare VBN 39928 1725 14 with with IN 39928 1725 15 the the DT 39928 1725 16 land land NN 39928 1725 17 upon upon IN 39928 1725 18 our -PRON- PRP$ 39928 1725 19 earth earth NN 39928 1725 20 , , , 39928 1725 21 by by IN 39928 1725 22 far far RB 39928 1725 23 the the DT 39928 1725 24 larger large JJR 39928 1725 25 portion portion NN 39928 1725 26 of of IN 39928 1725 27 the the DT 39928 1725 28 surface surface NN 39928 1725 29 is be VBZ 39928 1725 30 well well RB 39928 1725 31 supplied supply VBN 39928 1725 32 with with IN 39928 1725 33 rain rain NN 39928 1725 34 , , , 39928 1725 35 which which WDT 39928 1725 36 , , , 39928 1725 37 falling fall VBG 39928 1725 38 most most RBS 39928 1725 39 abundantly abundantly RB 39928 1725 40 in in IN 39928 1725 41 the the DT 39928 1725 42 elevated elevated JJ 39928 1725 43 and and CC 39928 1725 44 therefore therefore RB 39928 1725 45 cooler cool JJR 39928 1725 46 regions region NNS 39928 1725 47 , , , 39928 1725 48 percolates percolate VBZ 39928 1725 49 the the DT 39928 1725 50 soil soil NN 39928 1725 51 , , , 39928 1725 52 and and CC 39928 1725 53 gives give VBZ 39928 1725 54 rise rise NN 39928 1725 55 to to IN 39928 1725 56 those those DT 39928 1725 57 innumerable innumerable JJ 39928 1725 58 springs spring NNS 39928 1725 59 and and CC 39928 1725 60 rivulets rivulet NNS 39928 1725 61 which which WDT 39928 1725 62 moisten moisten VBP 39928 1725 63 and and CC 39928 1725 64 beautify beautify VB 39928 1725 65 the the DT 39928 1725 66 earth earth NN 39928 1725 67 , , , 39928 1725 68 and and CC 39928 1725 69 which which WDT 39928 1725 70 , , , 39928 1725 71 uniting unite VBG 39928 1725 72 together together RB 39928 1725 73 , , , 39928 1725 74 form form NN 39928 1725 75 streams stream NNS 39928 1725 76 and and CC 39928 1725 77 rivers river NNS 39928 1725 78 , , , 39928 1725 79 which which WDT 39928 1725 80 return return VBP 39928 1725 81 to to IN 39928 1725 82 the the DT 39928 1725 83 seas sea NNS 39928 1725 84 and and CC 39928 1725 85 oceans ocean NNS 39928 1725 86 whence whence IN 39928 1725 87 they -PRON- PRP 39928 1725 88 were be VBD 39928 1725 89 originally originally RB 39928 1725 90 derived derive VBN 39928 1725 91 . . . 39928 1726 1 CLOUDS CLOUDS NNP 39928 1726 2 AND and CC 39928 1726 3 RAIN RAIN NNP 39928 1726 4 DEPEND DEPEND VBZ 39928 1726 5 UPON upon JJ 39928 1726 6 ATMOSPHERIC ATMOSPHERIC NNP 39928 1726 7 DUST DUST NNP 39928 1726 8 The the DT 39928 1726 9 beautiful beautiful JJ 39928 1726 10 system system NN 39928 1726 11 of of IN 39928 1726 12 aqueous aqueous JJ 39928 1726 13 circulation circulation NN 39928 1726 14 by by IN 39928 1726 15 means mean NNS 39928 1726 16 of of IN 39928 1726 17 the the DT 39928 1726 18 atmosphere atmosphere NN 39928 1726 19 as as IN 39928 1726 20 sketched sketch VBN 39928 1726 21 above above RB 39928 1726 22 was be VBD 39928 1726 23 long long RB 39928 1726 24 thought think VBN 39928 1726 25 to to TO 39928 1726 26 explain explain VB 39928 1726 27 the the DT 39928 1726 28 whole whole JJ 39928 1726 29 process process NN 39928 1726 30 , , , 39928 1726 31 and and CC 39928 1726 32 to to TO 39928 1726 33 require require VB 39928 1726 34 no no DT 39928 1726 35 further further JJ 39928 1726 36 elucidation elucidation NN 39928 1726 37 ; ; : 39928 1726 38 but but CC 39928 1726 39 about about RB 39928 1726 40 a a DT 39928 1726 41 quarter quarter NN 39928 1726 42 of of IN 39928 1726 43 a a DT 39928 1726 44 century century NN 39928 1726 45 back back RB 39928 1726 46 a a DT 39928 1726 47 curious curious JJ 39928 1726 48 experiment experiment NN 39928 1726 49 was be VBD 39928 1726 50 made make VBN 39928 1726 51 which which WDT 39928 1726 52 indicated indicate VBD 39928 1726 53 that that IN 39928 1726 54 there there EX 39928 1726 55 was be VBD 39928 1726 56 another another DT 39928 1726 57 factor factor NN 39928 1726 58 in in IN 39928 1726 59 the the DT 39928 1726 60 process process NN 39928 1726 61 which which WDT 39928 1726 62 had have VBD 39928 1726 63 been be VBN 39928 1726 64 entirely entirely RB 39928 1726 65 overlooked overlook VBN 39928 1726 66 . . . 39928 1727 1 If if IN 39928 1727 2 a a DT 39928 1727 3 small small JJ 39928 1727 4 jet jet NN 39928 1727 5 of of IN 39928 1727 6 steam steam NN 39928 1727 7 is be VBZ 39928 1727 8 sent send VBN 39928 1727 9 into into IN 39928 1727 10 two two CD 39928 1727 11 large large JJ 39928 1727 12 glass glass NN 39928 1727 13 receivers receiver NNS 39928 1727 14 , , , 39928 1727 15 one one CD 39928 1727 16 filled fill VBN 39928 1727 17 with with IN 39928 1727 18 ordinary ordinary JJ 39928 1727 19 air air NN 39928 1727 20 , , , 39928 1727 21 the the DT 39928 1727 22 other other JJ 39928 1727 23 with with IN 39928 1727 24 air air NN 39928 1727 25 which which WDT 39928 1727 26 has have VBZ 39928 1727 27 been be VBN 39928 1727 28 filtered filter VBN 39928 1727 29 by by IN 39928 1727 30 passing pass VBG 39928 1727 31 through through IN 39928 1727 32 a a DT 39928 1727 33 thick thick JJ 39928 1727 34 layer layer NN 39928 1727 35 of of IN 39928 1727 36 cotton cotton NN 39928 1727 37 wool wool NN 39928 1727 38 so so IN 39928 1727 39 as as IN 39928 1727 40 to to TO 39928 1727 41 keep keep VB 39928 1727 42 back back RB 39928 1727 43 all all DT 39928 1727 44 particles particle NNS 39928 1727 45 of of IN 39928 1727 46 solid solid JJ 39928 1727 47 matter matter NN 39928 1727 48 , , , 39928 1727 49 the the DT 39928 1727 50 first first JJ 39928 1727 51 vessel vessel NN 39928 1727 52 will will MD 39928 1727 53 be be VB 39928 1727 54 instantly instantly RB 39928 1727 55 filled fill VBN 39928 1727 56 with with IN 39928 1727 57 condensed condense VBN 39928 1727 58 cloudy cloudy JJ 39928 1727 59 - - HYPH 39928 1727 60 looking looking JJ 39928 1727 61 vapour vapour NN 39928 1727 62 , , , 39928 1727 63 while while IN 39928 1727 64 in in IN 39928 1727 65 the the DT 39928 1727 66 other other JJ 39928 1727 67 vessel vessel NN 39928 1727 68 the the DT 39928 1727 69 air air NN 39928 1727 70 and and CC 39928 1727 71 vapour vapour NN 39928 1727 72 will will MD 39928 1727 73 remain remain VB 39928 1727 74 perfectly perfectly RB 39928 1727 75 transparent transparent JJ 39928 1727 76 and and CC 39928 1727 77 invisible invisible JJ 39928 1727 78 . . . 39928 1728 1 Another another DT 39928 1728 2 experiment experiment NN 39928 1728 3 was be VBD 39928 1728 4 then then RB 39928 1728 5 made make VBN 39928 1728 6 to to TO 39928 1728 7 imitate imitate VB 39928 1728 8 more more RBR 39928 1728 9 nearly nearly RB 39928 1728 10 what what WP 39928 1728 11 occurs occur VBZ 39928 1728 12 in in IN 39928 1728 13 nature nature NN 39928 1728 14 . . . 39928 1729 1 The the DT 39928 1729 2 two two CD 39928 1729 3 vessels vessel NNS 39928 1729 4 were be VBD 39928 1729 5 prepared prepare VBN 39928 1729 6 as as IN 39928 1729 7 before before RB 39928 1729 8 , , , 39928 1729 9 but but CC 39928 1729 10 a a DT 39928 1729 11 small small JJ 39928 1729 12 quantity quantity NN 39928 1729 13 of of IN 39928 1729 14 water water NN 39928 1729 15 was be VBD 39928 1729 16 placed place VBN 39928 1729 17 in in IN 39928 1729 18 each each DT 39928 1729 19 vessel vessel NN 39928 1729 20 and and CC 39928 1729 21 allowed allow VBN 39928 1729 22 to to TO 39928 1729 23 evaporate evaporate VB 39928 1729 24 till till IN 39928 1729 25 the the DT 39928 1729 26 air air NN 39928 1729 27 was be VBD 39928 1729 28 nearly nearly RB 39928 1729 29 saturated saturate VBN 39928 1729 30 with with IN 39928 1729 31 vapour vapour NN 39928 1729 32 , , , 39928 1729 33 which which WDT 39928 1729 34 remained remain VBD 39928 1729 35 invisible invisible JJ 39928 1729 36 in in IN 39928 1729 37 both both DT 39928 1729 38 . . . 39928 1730 1 Both both DT 39928 1730 2 vessels vessel NNS 39928 1730 3 were be VBD 39928 1730 4 then then RB 39928 1730 5 slightly slightly RB 39928 1730 6 cooled cool VBN 39928 1730 7 , , , 39928 1730 8 when when WRB 39928 1730 9 instantly instantly RB 39928 1730 10 a a DT 39928 1730 11 dense dense JJ 39928 1730 12 cloud cloud NN 39928 1730 13 was be VBD 39928 1730 14 formed form VBN 39928 1730 15 in in IN 39928 1730 16 that that DT 39928 1730 17 filled fill VBN 39928 1730 18 with with IN 39928 1730 19 unfiltered unfiltered JJ 39928 1730 20 air air NN 39928 1730 21 , , , 39928 1730 22 while while IN 39928 1730 23 the the DT 39928 1730 24 other other JJ 39928 1730 25 remained remain VBD 39928 1730 26 quite quite RB 39928 1730 27 clear clear JJ 39928 1730 28 . . . 39928 1731 1 These these DT 39928 1731 2 experiments experiment NNS 39928 1731 3 proved prove VBD 39928 1731 4 that that IN 39928 1731 5 the the DT 39928 1731 6 mere mere JJ 39928 1731 7 cooling cooling NN 39928 1731 8 of of IN 39928 1731 9 air air NN 39928 1731 10 below below IN 39928 1731 11 the the DT 39928 1731 12 dew dew NN 39928 1731 13 point point NN 39928 1731 14 will will MD 39928 1731 15 not not RB 39928 1731 16 cause cause VB 39928 1731 17 the the DT 39928 1731 18 aqueous aqueous JJ 39928 1731 19 vapour vapour NN 39928 1731 20 in in IN 39928 1731 21 it -PRON- PRP 39928 1731 22 to to TO 39928 1731 23 condense condense VB 39928 1731 24 into into IN 39928 1731 25 drops drop NNS 39928 1731 26 so so IN 39928 1731 27 as as IN 39928 1731 28 to to TO 39928 1731 29 form form VB 39928 1731 30 mist mist NN 39928 1731 31 , , , 39928 1731 32 fog fog NN 39928 1731 33 , , , 39928 1731 34 or or CC 39928 1731 35 cloud cloud NN 39928 1731 36 , , , 39928 1731 37 unless unless IN 39928 1731 38 small small JJ 39928 1731 39 particles particle NNS 39928 1731 40 of of IN 39928 1731 41 solid solid JJ 39928 1731 42 or or CC 39928 1731 43 liquid liquid JJ 39928 1731 44 matter matter NN 39928 1731 45 are be VBP 39928 1731 46 present present JJ 39928 1731 47 to to TO 39928 1731 48 act act VB 39928 1731 49 as as IN 39928 1731 50 nuclei nucleus NNS 39928 1731 51 upon upon IN 39928 1731 52 which which WDT 39928 1731 53 condensation condensation NN 39928 1731 54 begins begin VBZ 39928 1731 55 . . . 39928 1732 1 The the DT 39928 1732 2 density density NN 39928 1732 3 of of IN 39928 1732 4 a a DT 39928 1732 5 cloud cloud NN 39928 1732 6 will will MD 39928 1732 7 therefore therefore RB 39928 1732 8 depend depend VB 39928 1732 9 not not RB 39928 1732 10 only only RB 39928 1732 11 on on IN 39928 1732 12 the the DT 39928 1732 13 quantity quantity NN 39928 1732 14 of of IN 39928 1732 15 vapour vapour NN 39928 1732 16 in in IN 39928 1732 17 the the DT 39928 1732 18 air air NN 39928 1732 19 , , , 39928 1732 20 but but CC 39928 1732 21 on on IN 39928 1732 22 the the DT 39928 1732 23 presence presence NN 39928 1732 24 of of IN 39928 1732 25 an an DT 39928 1732 26 abundance abundance NN 39928 1732 27 of of IN 39928 1732 28 minute minute JJ 39928 1732 29 dust dust NN 39928 1732 30 - - HYPH 39928 1732 31 particles particle NNS 39928 1732 32 on on IN 39928 1732 33 which which WDT 39928 1732 34 condensation condensation NN 39928 1732 35 can can MD 39928 1732 36 begin begin VB 39928 1732 37 . . . 39928 1733 1 That that DT 39928 1733 2 such such JJ 39928 1733 3 dust dust NN 39928 1733 4 exists exist VBZ 39928 1733 5 everywhere everywhere RB 39928 1733 6 in in IN 39928 1733 7 the the DT 39928 1733 8 air air NN 39928 1733 9 , , , 39928 1733 10 even even RB 39928 1733 11 up up IN 39928 1733 12 to to IN 39928 1733 13 great great JJ 39928 1733 14 heights height NNS 39928 1733 15 , , , 39928 1733 16 is be VBZ 39928 1733 17 not not RB 39928 1733 18 a a DT 39928 1733 19 supposition supposition NN 39928 1733 20 but but CC 39928 1733 21 a a DT 39928 1733 22 proved proved JJ 39928 1733 23 fact fact NN 39928 1733 24 . . . 39928 1734 1 By by IN 39928 1734 2 exposing expose VBG 39928 1734 3 glass glass NN 39928 1734 4 plates plate NNS 39928 1734 5 covered cover VBN 39928 1734 6 with with IN 39928 1734 7 glycerine glycerine NN 39928 1734 8 in in IN 39928 1734 9 different different JJ 39928 1734 10 places place NNS 39928 1734 11 and and CC 39928 1734 12 at at IN 39928 1734 13 different different JJ 39928 1734 14 altitudes altitude NNS 39928 1734 15 the the DT 39928 1734 16 number number NN 39928 1734 17 of of IN 39928 1734 18 these these DT 39928 1734 19 particles particle NNS 39928 1734 20 in in IN 39928 1734 21 each each DT 39928 1734 22 cubic cubic JJ 39928 1734 23 foot foot NN 39928 1734 24 of of IN 39928 1734 25 air air NN 39928 1734 26 has have VBZ 39928 1734 27 been be VBN 39928 1734 28 determined determine VBN 39928 1734 29 ; ; : 39928 1734 30 and and CC 39928 1734 31 it -PRON- PRP 39928 1734 32 is be VBZ 39928 1734 33 found find VBN 39928 1734 34 that that IN 39928 1734 35 not not RB 39928 1734 36 only only RB 39928 1734 37 are be VBP 39928 1734 38 they -PRON- PRP 39928 1734 39 present present JJ 39928 1734 40 everywhere everywhere RB 39928 1734 41 at at IN 39928 1734 42 low low JJ 39928 1734 43 levels level NNS 39928 1734 44 , , , 39928 1734 45 but but CC 39928 1734 46 that that IN 39928 1734 47 there there EX 39928 1734 48 are be VBP 39928 1734 49 a a DT 39928 1734 50 considerable considerable JJ 39928 1734 51 number number NN 39928 1734 52 even even RB 39928 1734 53 at at IN 39928 1734 54 the the DT 39928 1734 55 tops top NNS 39928 1734 56 of of IN 39928 1734 57 the the DT 39928 1734 58 highest high JJS 39928 1734 59 mountains mountain NNS 39928 1734 60 . . . 39928 1735 1 These these DT 39928 1735 2 solid solid JJ 39928 1735 3 particles particle NNS 39928 1735 4 also also RB 39928 1735 5 act act VBP 39928 1735 6 in in IN 39928 1735 7 another another DT 39928 1735 8 way way NN 39928 1735 9 . . . 39928 1736 1 By by IN 39928 1736 2 radiation radiation NN 39928 1736 3 in in IN 39928 1736 4 the the DT 39928 1736 5 higher high JJR 39928 1736 6 atmosphere atmosphere NN 39928 1736 7 they -PRON- PRP 39928 1736 8 become become VBP 39928 1736 9 very very RB 39928 1736 10 cold cold JJ 39928 1736 11 , , , 39928 1736 12 and and CC 39928 1736 13 thus thus RB 39928 1736 14 condense condense VB 39928 1736 15 the the DT 39928 1736 16 vapour vapour NN 39928 1736 17 by by IN 39928 1736 18 contact contact NN 39928 1736 19 , , , 39928 1736 20 just just RB 39928 1736 21 as as IN 39928 1736 22 the the DT 39928 1736 23 points point NNS 39928 1736 24 of of IN 39928 1736 25 grass grass NN 39928 1736 26 - - HYPH 39928 1736 27 blades blade NNS 39928 1736 28 condense condense VBP 39928 1736 29 it -PRON- PRP 39928 1736 30 to to TO 39928 1736 31 form form VB 39928 1736 32 dew dew NN 39928 1736 33 . . . 39928 1737 1 When when WRB 39928 1737 2 steam steam NN 39928 1737 3 is be VBZ 39928 1737 4 escaping escape VBG 39928 1737 5 from from IN 39928 1737 6 an an DT 39928 1737 7 engine engine NN 39928 1737 8 we -PRON- PRP 39928 1737 9 see see VBP 39928 1737 10 a a DT 39928 1737 11 mass mass NN 39928 1737 12 of of IN 39928 1737 13 dense dense JJ 39928 1737 14 white white NNP 39928 1737 15 vapour vapour NNP 39928 1737 16 , , , 39928 1737 17 a a DT 39928 1737 18 miniature miniature JJ 39928 1737 19 cloud cloud NN 39928 1737 20 ; ; : 39928 1737 21 and and CC 39928 1737 22 if if IN 39928 1737 23 we -PRON- PRP 39928 1737 24 are be VBP 39928 1737 25 near near IN 39928 1737 26 it -PRON- PRP 39928 1737 27 in in IN 39928 1737 28 cold cold JJ 39928 1737 29 , , , 39928 1737 30 damp damp JJ 39928 1737 31 weather weather NN 39928 1737 32 , , , 39928 1737 33 we -PRON- PRP 39928 1737 34 feel feel VBP 39928 1737 35 little little JJ 39928 1737 36 drops drop NNS 39928 1737 37 of of IN 39928 1737 38 rain rain NN 39928 1737 39 produced produce VBN 39928 1737 40 from from IN 39928 1737 41 it -PRON- PRP 39928 1737 42 . . . 39928 1738 1 But but CC 39928 1738 2 on on IN 39928 1738 3 a a DT 39928 1738 4 fine fine JJ 39928 1738 5 , , , 39928 1738 6 warm warm JJ 39928 1738 7 day day NN 39928 1738 8 it -PRON- PRP 39928 1738 9 rises rise VBZ 39928 1738 10 quickly quickly RB 39928 1738 11 and and CC 39928 1738 12 soon soon RB 39928 1738 13 melts melt VBZ 39928 1738 14 away away RB 39928 1738 15 , , , 39928 1738 16 and and CC 39928 1738 17 entirely entirely RB 39928 1738 18 disappears disappear VBZ 39928 1738 19 . . . 39928 1739 1 Exactly exactly RB 39928 1739 2 the the DT 39928 1739 3 same same JJ 39928 1739 4 thing thing NN 39928 1739 5 happens happen VBZ 39928 1739 6 on on IN 39928 1739 7 a a DT 39928 1739 8 larger large JJR 39928 1739 9 scale scale NN 39928 1739 10 in in IN 39928 1739 11 nature nature NN 39928 1739 12 . . . 39928 1740 1 In in IN 39928 1740 2 fine fine JJ 39928 1740 3 weather weather NN 39928 1740 4 we -PRON- PRP 39928 1740 5 may may MD 39928 1740 6 have have VB 39928 1740 7 abundant abundant JJ 39928 1740 8 clouds cloud NNS 39928 1740 9 continually continually RB 39928 1740 10 passing pass VBG 39928 1740 11 high high JJ 39928 1740 12 overhead overhead NN 39928 1740 13 , , , 39928 1740 14 but but CC 39928 1740 15 they -PRON- PRP 39928 1740 16 never never RB 39928 1740 17 produce produce VBP 39928 1740 18 rain rain NN 39928 1740 19 , , , 39928 1740 20 because because IN 39928 1740 21 as as IN 39928 1740 22 the the DT 39928 1740 23 minute minute JJ 39928 1740 24 globules globule NNS 39928 1740 25 of of IN 39928 1740 26 water water NN 39928 1740 27 slowly slowly RB 39928 1740 28 fall fall VBP 39928 1740 29 towards towards IN 39928 1740 30 the the DT 39928 1740 31 earth earth NN 39928 1740 32 , , , 39928 1740 33 the the DT 39928 1740 34 warm warm JJ 39928 1740 35 dry dry JJ 39928 1740 36 air air NN 39928 1740 37 again again RB 39928 1740 38 turns turn VBZ 39928 1740 39 them -PRON- PRP 39928 1740 40 into into IN 39928 1740 41 invisible invisible JJ 39928 1740 42 vapour vapour NN 39928 1740 43 . . . 39928 1741 1 Again again RB 39928 1741 2 , , , 39928 1741 3 in in IN 39928 1741 4 fine fine JJ 39928 1741 5 weather weather NN 39928 1741 6 , , , 39928 1741 7 we -PRON- PRP 39928 1741 8 often often RB 39928 1741 9 see see VBP 39928 1741 10 a a DT 39928 1741 11 small small JJ 39928 1741 12 cloud cloud NN 39928 1741 13 on on IN 39928 1741 14 a a DT 39928 1741 15 mountain mountain NN 39928 1741 16 top top NN 39928 1741 17 which which WDT 39928 1741 18 remains remain VBZ 39928 1741 19 there there EX 39928 1741 20 a a DT 39928 1741 21 considerable considerable JJ 39928 1741 22 time time NN 39928 1741 23 , , , 39928 1741 24 even even RB 39928 1741 25 though though IN 39928 1741 26 a a DT 39928 1741 27 brisk brisk JJ 39928 1741 28 wind wind NN 39928 1741 29 is be VBZ 39928 1741 30 blowing blow VBG 39928 1741 31 . . . 39928 1742 1 The the DT 39928 1742 2 mountain mountain NN 39928 1742 3 top top NN 39928 1742 4 is be VBZ 39928 1742 5 colder cold JJR 39928 1742 6 than than IN 39928 1742 7 the the DT 39928 1742 8 surrounding surround VBG 39928 1742 9 air air NN 39928 1742 10 , , , 39928 1742 11 and and CC 39928 1742 12 the the DT 39928 1742 13 invisible invisible JJ 39928 1742 14 vapour vapour NN 39928 1742 15 becomes become VBZ 39928 1742 16 condensed condense VBN 39928 1742 17 into into IN 39928 1742 18 cloud cloud NN 39928 1742 19 by by IN 39928 1742 20 passing pass VBG 39928 1742 21 over over IN 39928 1742 22 it -PRON- PRP 39928 1742 23 , , , 39928 1742 24 but but CC 39928 1742 25 the the DT 39928 1742 26 moment moment NN 39928 1742 27 these these DT 39928 1742 28 cloud cloud NN 39928 1742 29 particles particle NNS 39928 1742 30 are be VBP 39928 1742 31 carried carry VBN 39928 1742 32 past past IN 39928 1742 33 the the DT 39928 1742 34 summit summit NN 39928 1742 35 into into IN 39928 1742 36 the the DT 39928 1742 37 warmer warm JJR 39928 1742 38 and and CC 39928 1742 39 drier dry JJR 39928 1742 40 air air NN 39928 1742 41 they -PRON- PRP 39928 1742 42 are be VBP 39928 1742 43 again again RB 39928 1742 44 evaporated evaporate VBN 39928 1742 45 and and CC 39928 1742 46 disappear disappear VBP 39928 1742 47 . . . 39928 1743 1 On on IN 39928 1743 2 Table Table NNP 39928 1743 3 Mountain Mountain NNP 39928 1743 4 , , , 39928 1743 5 near near IN 39928 1743 6 Cape Cape NNP 39928 1743 7 Town Town NNP 39928 1743 8 , , , 39928 1743 9 this this DT 39928 1743 10 phenomenon phenomenon NN 39928 1743 11 occurs occur VBZ 39928 1743 12 on on IN 39928 1743 13 a a DT 39928 1743 14 large large JJ 39928 1743 15 scale scale NN 39928 1743 16 , , , 39928 1743 17 and and CC 39928 1743 18 is be VBZ 39928 1743 19 termed term VBN 39928 1743 20 the the DT 39928 1743 21 table table NN 39928 1743 22 - - HYPH 39928 1743 23 cloth cloth NN 39928 1743 24 , , , 39928 1743 25 the the DT 39928 1743 26 mass mass NN 39928 1743 27 of of IN 39928 1743 28 white white NNP 39928 1743 29 fleecy fleecy NNP 39928 1743 30 cloud cloud NNP 39928 1743 31 seeming seeming JJ 39928 1743 32 to to TO 39928 1743 33 hang hang VB 39928 1743 34 over over IN 39928 1743 35 the the DT 39928 1743 36 flat flat JJ 39928 1743 37 mountain mountain NN 39928 1743 38 top top NN 39928 1743 39 to to IN 39928 1743 40 some some DT 39928 1743 41 distance distance NN 39928 1743 42 down down RB 39928 1743 43 where where WRB 39928 1743 44 it -PRON- PRP 39928 1743 45 remains remain VBZ 39928 1743 46 for for IN 39928 1743 47 several several JJ 39928 1743 48 months month NNS 39928 1743 49 , , , 39928 1743 50 while while IN 39928 1743 51 all all RB 39928 1743 52 around around RB 39928 1743 53 there there RB 39928 1743 54 is be VBZ 39928 1743 55 bright bright JJ 39928 1743 56 sunshine sunshine NN 39928 1743 57 . . . 39928 1744 1 Another another DT 39928 1744 2 phenomenon phenomenon NN 39928 1744 3 that that WDT 39928 1744 4 indicates indicate VBZ 39928 1744 5 the the DT 39928 1744 6 universal universal JJ 39928 1744 7 presence presence NN 39928 1744 8 of of IN 39928 1744 9 dust dust NN 39928 1744 10 to to IN 39928 1744 11 enormous enormous JJ 39928 1744 12 heights height NNS 39928 1744 13 in in IN 39928 1744 14 the the DT 39928 1744 15 atmosphere atmosphere NN 39928 1744 16 is be VBZ 39928 1744 17 the the DT 39928 1744 18 blue blue JJ 39928 1744 19 colour colour NN 39928 1744 20 of of IN 39928 1744 21 the the DT 39928 1744 22 sky sky NN 39928 1744 23 . . . 39928 1745 1 This this DT 39928 1745 2 is be VBZ 39928 1745 3 caused cause VBN 39928 1745 4 by by IN 39928 1745 5 the the DT 39928 1745 6 presence presence NN 39928 1745 7 of of IN 39928 1745 8 such such JJ 39928 1745 9 excessively excessively RB 39928 1745 10 minute minute JJ 39928 1745 11 particles particle NNS 39928 1745 12 of of IN 39928 1745 13 dust dust NN 39928 1745 14 through through IN 39928 1745 15 an an DT 39928 1745 16 enormous enormous JJ 39928 1745 17 thickness thickness NN 39928 1745 18 of of IN 39928 1745 19 the the DT 39928 1745 20 higher high JJR 39928 1745 21 atmosphere atmosphere NN 39928 1745 22 -- -- : 39928 1745 23 probably probably RB 39928 1745 24 up up IN 39928 1745 25 to to IN 39928 1745 26 a a DT 39928 1745 27 height height NN 39928 1745 28 of of IN 39928 1745 29 twenty twenty CD 39928 1745 30 or or CC 39928 1745 31 thirty thirty CD 39928 1745 32 miles mile NNS 39928 1745 33 , , , 39928 1745 34 or or CC 39928 1745 35 more more JJR 39928 1745 36 -- -- : 39928 1745 37 that that IN 39928 1745 38 they -PRON- PRP 39928 1745 39 reflect reflect VBP 39928 1745 40 only only RB 39928 1745 41 the the DT 39928 1745 42 light light NN 39928 1745 43 of of IN 39928 1745 44 short short JJ 39928 1745 45 wave wave NN 39928 1745 46 - - HYPH 39928 1745 47 length length NN 39928 1745 48 from from IN 39928 1745 49 the the DT 39928 1745 50 blue blue JJ 39928 1745 51 end end NN 39928 1745 52 of of IN 39928 1745 53 the the DT 39928 1745 54 spectrum spectrum NN 39928 1745 55 . . . 39928 1746 1 This this DT 39928 1746 2 also also RB 39928 1746 3 has have VBZ 39928 1746 4 been be VBN 39928 1746 5 proved prove VBN 39928 1746 6 by by IN 39928 1746 7 experiment experiment NN 39928 1746 8 . . . 39928 1747 1 If if IN 39928 1747 2 a a DT 39928 1747 3 glass glass NN 39928 1747 4 cylinder cylinder NN 39928 1747 5 , , , 39928 1747 6 several several JJ 39928 1747 7 feet foot NNS 39928 1747 8 long long JJ 39928 1747 9 , , , 39928 1747 10 is be VBZ 39928 1747 11 filled fill VBN 39928 1747 12 with with IN 39928 1747 13 pure pure JJ 39928 1747 14 air air NN 39928 1747 15 from from IN 39928 1747 16 which which WDT 39928 1747 17 all all DT 39928 1747 18 solid solid JJ 39928 1747 19 particles particle NNS 39928 1747 20 have have VBP 39928 1747 21 been be VBN 39928 1747 22 removed remove VBN 39928 1747 23 by by IN 39928 1747 24 filtering filter VBG 39928 1747 25 and and CC 39928 1747 26 passing pass VBG 39928 1747 27 over over RP 39928 1747 28 red red JJ 39928 1747 29 - - HYPH 39928 1747 30 hot hot JJ 39928 1747 31 platinum platinum NN 39928 1747 32 wires wire NNS 39928 1747 33 , , , 39928 1747 34 and and CC 39928 1747 35 a a DT 39928 1747 36 ray ray NN 39928 1747 37 of of IN 39928 1747 38 electric electric JJ 39928 1747 39 light light NN 39928 1747 40 is be VBZ 39928 1747 41 passed pass VBN 39928 1747 42 through through IN 39928 1747 43 it -PRON- PRP 39928 1747 44 , , , 39928 1747 45 the the DT 39928 1747 46 interior interior NN 39928 1747 47 , , , 39928 1747 48 when when WRB 39928 1747 49 viewed view VBN 39928 1747 50 laterally laterally RB 39928 1747 51 , , , 39928 1747 52 appears appear VBZ 39928 1747 53 quite quite RB 39928 1747 54 dark dark JJ 39928 1747 55 , , , 39928 1747 56 the the DT 39928 1747 57 light light NN 39928 1747 58 passing pass VBG 39928 1747 59 through through RP 39928 1747 60 in in IN 39928 1747 61 a a DT 39928 1747 62 straight straight JJ 39928 1747 63 line line NN 39928 1747 64 and and CC 39928 1747 65 not not RB 39928 1747 66 illuminating illuminate VBG 39928 1747 67 the the DT 39928 1747 68 air air NN 39928 1747 69 . . . 39928 1748 1 But but CC 39928 1748 2 if if IN 39928 1748 3 a a DT 39928 1748 4 little little JJ 39928 1748 5 more more JJR 39928 1748 6 air air NN 39928 1748 7 is be VBZ 39928 1748 8 passed pass VBN 39928 1748 9 through through IN 39928 1748 10 the the DT 39928 1748 11 filter filter NN 39928 1748 12 so so RB 39928 1748 13 rapidly rapidly RB 39928 1748 14 as as IN 39928 1748 15 to to TO 39928 1748 16 allow allow VB 39928 1748 17 only only RB 39928 1748 18 the the DT 39928 1748 19 minutest minute JJS 39928 1748 20 particles particle NNS 39928 1748 21 of of IN 39928 1748 22 dust dust NN 39928 1748 23 to to TO 39928 1748 24 enter enter VB 39928 1748 25 with with IN 39928 1748 26 it -PRON- PRP 39928 1748 27 , , , 39928 1748 28 the the DT 39928 1748 29 vessel vessel NN 39928 1748 30 becomes become VBZ 39928 1748 31 gradually gradually RB 39928 1748 32 filled fill VBN 39928 1748 33 with with IN 39928 1748 34 a a DT 39928 1748 35 blue blue JJ 39928 1748 36 haze haze NN 39928 1748 37 , , , 39928 1748 38 which which WDT 39928 1748 39 gradually gradually RB 39928 1748 40 deepens deepen VBZ 39928 1748 41 into into IN 39928 1748 42 a a DT 39928 1748 43 beautiful beautiful JJ 39928 1748 44 blue blue JJ 39928 1748 45 , , , 39928 1748 46 comparable comparable JJ 39928 1748 47 with with IN 39928 1748 48 that that DT 39928 1748 49 of of IN 39928 1748 50 the the DT 39928 1748 51 sky sky NN 39928 1748 52 . . . 39928 1749 1 If if IN 39928 1749 2 now now RB 39928 1749 3 some some DT 39928 1749 4 of of IN 39928 1749 5 the the DT 39928 1749 6 unfiltered unfiltered JJ 39928 1749 7 air air NN 39928 1749 8 is be VBZ 39928 1749 9 admitted admit VBN 39928 1749 10 , , , 39928 1749 11 the the DT 39928 1749 12 blue blue JJ 39928 1749 13 fades fade NNS 39928 1749 14 away away RB 39928 1749 15 into into IN 39928 1749 16 the the DT 39928 1749 17 ordinary ordinary JJ 39928 1749 18 tint tint NN 39928 1749 19 of of IN 39928 1749 20 daylight daylight NN 39928 1749 21 . . . 39928 1750 1 Since since IN 39928 1750 2 it -PRON- PRP 39928 1750 3 has have VBZ 39928 1750 4 been be VBN 39928 1750 5 known know VBN 39928 1750 6 that that IN 39928 1750 7 liquid liquid JJ 39928 1750 8 oxygen oxygen NN 39928 1750 9 is be VBZ 39928 1750 10 blue blue JJ 39928 1750 11 , , , 39928 1750 12 many many JJ 39928 1750 13 people people NNS 39928 1750 14 have have VBP 39928 1750 15 concluded conclude VBN 39928 1750 16 that that IN 39928 1750 17 this this DT 39928 1750 18 explains explain VBZ 39928 1750 19 the the DT 39928 1750 20 blue blue JJ 39928 1750 21 colour colour NN 39928 1750 22 of of IN 39928 1750 23 the the DT 39928 1750 24 sky sky NN 39928 1750 25 . . . 39928 1751 1 But but CC 39928 1751 2 it -PRON- PRP 39928 1751 3 has have VBZ 39928 1751 4 really really RB 39928 1751 5 nothing nothing NN 39928 1751 6 to to TO 39928 1751 7 do do VB 39928 1751 8 with with IN 39928 1751 9 the the DT 39928 1751 10 point point NN 39928 1751 11 at at IN 39928 1751 12 issue issue NN 39928 1751 13 . . . 39928 1752 1 The the DT 39928 1752 2 blue blue NN 39928 1752 3 of of IN 39928 1752 4 the the DT 39928 1752 5 liquid liquid JJ 39928 1752 6 oxygen oxygen NN 39928 1752 7 becomes become VBZ 39928 1752 8 so so RB 39928 1752 9 excessively excessively RB 39928 1752 10 faint faint JJ 39928 1752 11 in in IN 39928 1752 12 the the DT 39928 1752 13 gas gas NN 39928 1752 14 , , , 39928 1752 15 further further RB 39928 1752 16 attenuated attenuate VBN 39928 1752 17 as as IN 39928 1752 18 it -PRON- PRP 39928 1752 19 is be VBZ 39928 1752 20 by by IN 39928 1752 21 the the DT 39928 1752 22 colourless colourless JJ 39928 1752 23 nitrogen nitrogen NN 39928 1752 24 , , , 39928 1752 25 that that IN 39928 1752 26 it -PRON- PRP 39928 1752 27 would would MD 39928 1752 28 have have VB 39928 1752 29 no no DT 39928 1752 30 perceptible perceptible JJ 39928 1752 31 colour colour NN 39928 1752 32 in in IN 39928 1752 33 the the DT 39928 1752 34 whole whole JJ 39928 1752 35 thickness thickness NN 39928 1752 36 of of IN 39928 1752 37 our -PRON- PRP$ 39928 1752 38 atmosphere atmosphere NN 39928 1752 39 . . . 39928 1753 1 Again again RB 39928 1753 2 , , , 39928 1753 3 if if IN 39928 1753 4 it -PRON- PRP 39928 1753 5 had have VBD 39928 1753 6 a a DT 39928 1753 7 perceptible perceptible JJ 39928 1753 8 blue blue JJ 39928 1753 9 tint tint NN 39928 1753 10 we -PRON- PRP 39928 1753 11 could could MD 39928 1753 12 not not RB 39928 1753 13 see see VB 39928 1753 14 it -PRON- PRP 39928 1753 15 against against IN 39928 1753 16 the the DT 39928 1753 17 blackness blackness NN 39928 1753 18 of of IN 39928 1753 19 space space NN 39928 1753 20 behind behind IN 39928 1753 21 it -PRON- PRP 39928 1753 22 ; ; : 39928 1753 23 but but CC 39928 1753 24 white white JJ 39928 1753 25 objects object NNS 39928 1753 26 seen see VBN 39928 1753 27 through through IN 39928 1753 28 it -PRON- PRP 39928 1753 29 , , , 39928 1753 30 such such JJ 39928 1753 31 as as IN 39928 1753 32 the the DT 39928 1753 33 moon moon NN 39928 1753 34 and and CC 39928 1753 35 clouds cloud NNS 39928 1753 36 , , , 39928 1753 37 should should MD 39928 1753 38 all all DT 39928 1753 39 appear appear VB 39928 1753 40 blue blue JJ 39928 1753 41 , , , 39928 1753 42 which which WDT 39928 1753 43 they -PRON- PRP 39928 1753 44 do do VBP 39928 1753 45 not not RB 39928 1753 46 do do VB 39928 1753 47 . . . 39928 1754 1 The the DT 39928 1754 2 blue blue NN 39928 1754 3 we -PRON- PRP 39928 1754 4 see see VBP 39928 1754 5 is be VBZ 39928 1754 6 from from IN 39928 1754 7 the the DT 39928 1754 8 whole whole JJ 39928 1754 9 sky sky NN 39928 1754 10 , , , 39928 1754 11 and and CC 39928 1754 12 is be VBZ 39928 1754 13 therefore therefore RB 39928 1754 14 reflected reflect VBN 39928 1754 15 light light NN 39928 1754 16 ; ; : 39928 1754 17 and and CC 39928 1754 18 as as IN 39928 1754 19 pure pure JJ 39928 1754 20 air air NN 39928 1754 21 is be VBZ 39928 1754 22 quite quite RB 39928 1754 23 transparent transparent JJ 39928 1754 24 , , , 39928 1754 25 there there EX 39928 1754 26 must must MD 39928 1754 27 be be VB 39928 1754 28 solid solid JJ 39928 1754 29 or or CC 39928 1754 30 liquid liquid JJ 39928 1754 31 particles particle NNS 39928 1754 32 so so RB 39928 1754 33 minute minute VBP 39928 1754 34 as as IN 39928 1754 35 to to TO 39928 1754 36 reflect reflect VB 39928 1754 37 blue blue JJ 39928 1754 38 light light RB 39928 1754 39 only only RB 39928 1754 40 . . . 39928 1755 1 In in IN 39928 1755 2 the the DT 39928 1755 3 lower low JJR 39928 1755 4 atmosphere atmosphere NN 39928 1755 5 the the DT 39928 1755 6 rain rain NN 39928 1755 7 - - HYPH 39928 1755 8 producing produce VBG 39928 1755 9 particles particle NNS 39928 1755 10 are be VBP 39928 1755 11 larger large JJR 39928 1755 12 , , , 39928 1755 13 and and CC 39928 1755 14 reflect reflect VB 39928 1755 15 all all PDT 39928 1755 16 the the DT 39928 1755 17 rays ray NNS 39928 1755 18 , , , 39928 1755 19 thus thus RB 39928 1755 20 diluting dilute VBG 39928 1755 21 the the DT 39928 1755 22 blue blue JJ 39928 1755 23 colour colour NN 39928 1755 24 near near IN 39928 1755 25 the the DT 39928 1755 26 horizon horizon NN 39928 1755 27 , , , 39928 1755 28 and and CC 39928 1755 29 , , , 39928 1755 30 by by IN 39928 1755 31 refraction refraction NN 39928 1755 32 and and CC 39928 1755 33 reflection reflection NN 39928 1755 34 combined combine VBN 39928 1755 35 , , , 39928 1755 36 producing produce VBG 39928 1755 37 the the DT 39928 1755 38 various various JJ 39928 1755 39 beautiful beautiful JJ 39928 1755 40 hues hue NNS 39928 1755 41 of of IN 39928 1755 42 sunrise sunrise NN 39928 1755 43 and and CC 39928 1755 44 sunset sunset NN 39928 1755 45 . . . 39928 1756 1 This this DT 39928 1756 2 production production NN 39928 1756 3 of of IN 39928 1756 4 exquisite exquisite JJ 39928 1756 5 colours colour NNS 39928 1756 6 by by IN 39928 1756 7 the the DT 39928 1756 8 dust dust NN 39928 1756 9 in in IN 39928 1756 10 the the DT 39928 1756 11 atmosphere atmosphere NN 39928 1756 12 , , , 39928 1756 13 though though IN 39928 1756 14 adding add VBG 39928 1756 15 greatly greatly RB 39928 1756 16 to to IN 39928 1756 17 the the DT 39928 1756 18 enjoyment enjoyment NN 39928 1756 19 of of IN 39928 1756 20 life life NN 39928 1756 21 , , , 39928 1756 22 can can MD 39928 1756 23 not not RB 39928 1756 24 be be VB 39928 1756 25 considered consider VBN 39928 1756 26 essential essential JJ 39928 1756 27 to to IN 39928 1756 28 it -PRON- PRP 39928 1756 29 ; ; : 39928 1756 30 but but CC 39928 1756 31 there there EX 39928 1756 32 is be VBZ 39928 1756 33 another another DT 39928 1756 34 circumstance circumstance NN 39928 1756 35 connected connect VBN 39928 1756 36 with with IN 39928 1756 37 atmospheric atmospheric JJ 39928 1756 38 dust dust NN 39928 1756 39 which which WDT 39928 1756 40 , , , 39928 1756 41 though though IN 39928 1756 42 little little JJ 39928 1756 43 appreciated appreciate VBN 39928 1756 44 , , , 39928 1756 45 might may MD 39928 1756 46 have have VB 39928 1756 47 effects effect NNS 39928 1756 48 which which WDT 39928 1756 49 can can MD 39928 1756 50 hardly hardly RB 39928 1756 51 be be VB 39928 1756 52 calculated calculate VBN 39928 1756 53 . . . 39928 1757 1 If if IN 39928 1757 2 there there EX 39928 1757 3 were be VBD 39928 1757 4 no no DT 39928 1757 5 dust dust NN 39928 1757 6 in in IN 39928 1757 7 the the DT 39928 1757 8 atmosphere atmosphere NN 39928 1757 9 , , , 39928 1757 10 the the DT 39928 1757 11 sky sky NN 39928 1757 12 would would MD 39928 1757 13 appear appear VB 39928 1757 14 black black JJ 39928 1757 15 even even RB 39928 1757 16 at at IN 39928 1757 17 noon noon NN 39928 1757 18 , , , 39928 1757 19 except except IN 39928 1757 20 in in IN 39928 1757 21 the the DT 39928 1757 22 actual actual JJ 39928 1757 23 direction direction NN 39928 1757 24 of of IN 39928 1757 25 the the DT 39928 1757 26 sun sun NN 39928 1757 27 ; ; : 39928 1757 28 and and CC 39928 1757 29 the the DT 39928 1757 30 stars star NNS 39928 1757 31 would would MD 39928 1757 32 be be VB 39928 1757 33 visible visible JJ 39928 1757 34 in in IN 39928 1757 35 the the DT 39928 1757 36 day day NN 39928 1757 37 as as RB 39928 1757 38 well well RB 39928 1757 39 as as IN 39928 1757 40 at at IN 39928 1757 41 night night NN 39928 1757 42 . . . 39928 1758 1 This this DT 39928 1758 2 would would MD 39928 1758 3 follow follow VB 39928 1758 4 because because IN 39928 1758 5 air air NN 39928 1758 6 does do VBZ 39928 1758 7 not not RB 39928 1758 8 reflect reflect VB 39928 1758 9 light light NN 39928 1758 10 , , , 39928 1758 11 and and CC 39928 1758 12 is be VBZ 39928 1758 13 not not RB 39928 1758 14 visible visible JJ 39928 1758 15 . . . 39928 1759 1 We -PRON- PRP 39928 1759 2 should should MD 39928 1759 3 therefore therefore RB 39928 1759 4 receive receive VB 39928 1759 5 no no DT 39928 1759 6 light light NN 39928 1759 7 from from IN 39928 1759 8 the the DT 39928 1759 9 sky sky NN 39928 1759 10 itself -PRON- PRP 39928 1759 11 as as IN 39928 1759 12 we -PRON- PRP 39928 1759 13 do do VBP 39928 1759 14 now now RB 39928 1759 15 , , , 39928 1759 16 and and CC 39928 1759 17 the the DT 39928 1759 18 north north NN 39928 1759 19 side side NN 39928 1759 20 of of IN 39928 1759 21 every every DT 39928 1759 22 hill hill NN 39928 1759 23 , , , 39928 1759 24 house house NN 39928 1759 25 , , , 39928 1759 26 and and CC 39928 1759 27 other other JJ 39928 1759 28 solid solid JJ 39928 1759 29 objects object NNS 39928 1759 30 , , , 39928 1759 31 would would MD 39928 1759 32 be be VB 39928 1759 33 totally totally RB 39928 1759 34 dark dark JJ 39928 1759 35 , , , 39928 1759 36 unless unless IN 39928 1759 37 there there EX 39928 1759 38 were be VBD 39928 1759 39 any any DT 39928 1759 40 surfaces surface NNS 39928 1759 41 in in IN 39928 1759 42 that that DT 39928 1759 43 direction direction NN 39928 1759 44 to to TO 39928 1759 45 reflect reflect VB 39928 1759 46 the the DT 39928 1759 47 light light NN 39928 1759 48 . . . 39928 1760 1 The the DT 39928 1760 2 surface surface NN 39928 1760 3 of of IN 39928 1760 4 the the DT 39928 1760 5 ground ground NN 39928 1760 6 at at IN 39928 1760 7 a a DT 39928 1760 8 little little JJ 39928 1760 9 distance distance NN 39928 1760 10 would would MD 39928 1760 11 be be VB 39928 1760 12 in in IN 39928 1760 13 sunshine sunshine NN 39928 1760 14 , , , 39928 1760 15 and and CC 39928 1760 16 this this DT 39928 1760 17 would would MD 39928 1760 18 be be VB 39928 1760 19 the the DT 39928 1760 20 only only JJ 39928 1760 21 source source NN 39928 1760 22 of of IN 39928 1760 23 light light NN 39928 1760 24 wherever wherever WRB 39928 1760 25 direct direct JJ 39928 1760 26 sunlight sunlight NN 39928 1760 27 was be VBD 39928 1760 28 cut cut VBN 39928 1760 29 off off RP 39928 1760 30 . . . 39928 1761 1 To to TO 39928 1761 2 get get VB 39928 1761 3 a a DT 39928 1761 4 good good JJ 39928 1761 5 amount amount NN 39928 1761 6 of of IN 39928 1761 7 pleasant pleasant JJ 39928 1761 8 light light NN 39928 1761 9 in in IN 39928 1761 10 houses house NNS 39928 1761 11 it -PRON- PRP 39928 1761 12 would would MD 39928 1761 13 be be VB 39928 1761 14 necessary necessary JJ 39928 1761 15 to to TO 39928 1761 16 have have VB 39928 1761 17 them -PRON- PRP 39928 1761 18 built build VBN 39928 1761 19 on on IN 39928 1761 20 nearly nearly RB 39928 1761 21 level level NN 39928 1761 22 ground ground NN 39928 1761 23 , , , 39928 1761 24 or or CC 39928 1761 25 on on IN 39928 1761 26 ground ground NN 39928 1761 27 rising rise VBG 39928 1761 28 to to IN 39928 1761 29 the the DT 39928 1761 30 north north NN 39928 1761 31 , , , 39928 1761 32 and and CC 39928 1761 33 with with IN 39928 1761 34 walls wall NNS 39928 1761 35 of of IN 39928 1761 36 glass glass NN 39928 1761 37 all all DT 39928 1761 38 round round NN 39928 1761 39 and and CC 39928 1761 40 down down RB 39928 1761 41 to to IN 39928 1761 42 the the DT 39928 1761 43 floor floor NN 39928 1761 44 line line NN 39928 1761 45 , , , 39928 1761 46 to to TO 39928 1761 47 receive receive VB 39928 1761 48 as as RB 39928 1761 49 much much RB 39928 1761 50 as as IN 39928 1761 51 possible possible JJ 39928 1761 52 of of IN 39928 1761 53 the the DT 39928 1761 54 reflected reflect VBN 39928 1761 55 light light NN 39928 1761 56 from from IN 39928 1761 57 the the DT 39928 1761 58 ground ground NN 39928 1761 59 . . . 39928 1762 1 What what WDT 39928 1762 2 effect effect NN 39928 1762 3 this this DT 39928 1762 4 kind kind NN 39928 1762 5 of of IN 39928 1762 6 light light NN 39928 1762 7 would would MD 39928 1762 8 have have VB 39928 1762 9 on on IN 39928 1762 10 vegetation vegetation NN 39928 1762 11 it -PRON- PRP 39928 1762 12 is be VBZ 39928 1762 13 difficult difficult JJ 39928 1762 14 to to TO 39928 1762 15 say say VB 39928 1762 16 , , , 39928 1762 17 but but CC 39928 1762 18 trees tree NNS 39928 1762 19 and and CC 39928 1762 20 shrubs shrub NNS 39928 1762 21 would would MD 39928 1762 22 probably probably RB 39928 1762 23 grow grow VB 39928 1762 24 laterally laterally RB 39928 1762 25 towards towards IN 39928 1762 26 the the DT 39928 1762 27 south south NN 39928 1762 28 , , , 39928 1762 29 east east NN 39928 1762 30 , , , 39928 1762 31 and and CC 39928 1762 32 west west NNP 39928 1762 33 , , , 39928 1762 34 so so IN 39928 1762 35 as as IN 39928 1762 36 to to TO 39928 1762 37 get get VB 39928 1762 38 as as RB 39928 1762 39 much much JJ 39928 1762 40 direct direct JJ 39928 1762 41 sunshine sunshine NN 39928 1762 42 as as IN 39928 1762 43 possible possible JJ 39928 1762 44 . . . 39928 1763 1 A a DT 39928 1763 2 more more RBR 39928 1763 3 important important JJ 39928 1763 4 result result NN 39928 1763 5 would would MD 39928 1763 6 be be VB 39928 1763 7 that that DT 39928 1763 8 , , , 39928 1763 9 as as IN 39928 1763 10 sunshine sunshine NN 39928 1763 11 would would MD 39928 1763 12 be be VB 39928 1763 13 perpetual perpetual JJ 39928 1763 14 during during IN 39928 1763 15 the the DT 39928 1763 16 day day NN 39928 1763 17 , , , 39928 1763 18 so so RB 39928 1763 19 much much JJ 39928 1763 20 evaporation evaporation NN 39928 1763 21 would would MD 39928 1763 22 take take VB 39928 1763 23 place place NN 39928 1763 24 that that IN 39928 1763 25 the the DT 39928 1763 26 soil soil NN 39928 1763 27 would would MD 39928 1763 28 become become VB 39928 1763 29 arid arid NNP 39928 1763 30 and and CC 39928 1763 31 almost almost RB 39928 1763 32 bare bare JJ 39928 1763 33 in in IN 39928 1763 34 places place NNS 39928 1763 35 that that WDT 39928 1763 36 are be VBP 39928 1763 37 now now RB 39928 1763 38 covered cover VBN 39928 1763 39 with with IN 39928 1763 40 vegetation vegetation NN 39928 1763 41 , , , 39928 1763 42 and and CC 39928 1763 43 plants plant NNS 39928 1763 44 like like IN 39928 1763 45 the the DT 39928 1763 46 cactuses cactus NNS 39928 1763 47 of of IN 39928 1763 48 Arizona Arizona NNP 39928 1763 49 and and CC 39928 1763 50 the the DT 39928 1763 51 euphorbias euphorbia NNS 39928 1763 52 of of IN 39928 1763 53 South South NNP 39928 1763 54 Africa Africa NNP 39928 1763 55 would would MD 39928 1763 56 occupy occupy VB 39928 1763 57 a a DT 39928 1763 58 large large JJ 39928 1763 59 portion portion NN 39928 1763 60 of of IN 39928 1763 61 the the DT 39928 1763 62 surface surface NN 39928 1763 63 . . . 39928 1764 1 Returning return VBG 39928 1764 2 now now RB 39928 1764 3 from from IN 39928 1764 4 this this DT 39928 1764 5 collateral collateral JJ 39928 1764 6 subject subject NN 39928 1764 7 of of IN 39928 1764 8 light light NN 39928 1764 9 and and CC 39928 1764 10 colour colour NN 39928 1764 11 to to IN 39928 1764 12 the the DT 39928 1764 13 more more RBR 39928 1764 14 important important JJ 39928 1764 15 aspect aspect NN 39928 1764 16 of of IN 39928 1764 17 the the DT 39928 1764 18 question question NN 39928 1764 19 -- -- : 39928 1764 20 the the DT 39928 1764 21 absence absence NN 39928 1764 22 of of IN 39928 1764 23 cloud cloud NN 39928 1764 24 and and CC 39928 1764 25 rain rain NN 39928 1764 26 -- -- : 39928 1764 27 we -PRON- PRP 39928 1764 28 have have VBP 39928 1764 29 to to TO 39928 1764 30 consider consider VB 39928 1764 31 what what WP 39928 1764 32 would would MD 39928 1764 33 happen happen VB 39928 1764 34 , , , 39928 1764 35 and and CC 39928 1764 36 in in IN 39928 1764 37 what what WDT 39928 1764 38 way way NN 39928 1764 39 the the DT 39928 1764 40 enormous enormous JJ 39928 1764 41 quantity quantity NN 39928 1764 42 of of IN 39928 1764 43 water water NN 39928 1764 44 which which WDT 39928 1764 45 would would MD 39928 1764 46 be be VB 39928 1764 47 evaporated evaporate VBN 39928 1764 48 under under IN 39928 1764 49 continual continual JJ 39928 1764 50 sunshine sunshine NN 39928 1764 51 would would MD 39928 1764 52 be be VB 39928 1764 53 returned return VBN 39928 1764 54 to to IN 39928 1764 55 the the DT 39928 1764 56 earth earth NN 39928 1764 57 . . . 39928 1765 1 The the DT 39928 1765 2 first first JJ 39928 1765 3 and and CC 39928 1765 4 most most RBS 39928 1765 5 obvious obvious JJ 39928 1765 6 means mean NNS 39928 1765 7 would would MD 39928 1765 8 be be VB 39928 1765 9 by by IN 39928 1765 10 abnormally abnormally RB 39928 1765 11 abundant abundant JJ 39928 1765 12 dews dew NNS 39928 1765 13 , , , 39928 1765 14 which which WDT 39928 1765 15 would would MD 39928 1765 16 be be VB 39928 1765 17 deposited deposit VBN 39928 1765 18 almost almost RB 39928 1765 19 every every DT 39928 1765 20 night night NN 39928 1765 21 on on IN 39928 1765 22 every every DT 39928 1765 23 form form NN 39928 1765 24 of of IN 39928 1765 25 leafy leafy NNP 39928 1765 26 vegetation vegetation NNP 39928 1765 27 . . . 39928 1766 1 Not not RB 39928 1766 2 only only RB 39928 1766 3 would would MD 39928 1766 4 all all DT 39928 1766 5 grass grass VB 39928 1766 6 and and CC 39928 1766 7 herbage herbage NN 39928 1766 8 , , , 39928 1766 9 but but CC 39928 1766 10 all all PDT 39928 1766 11 the the DT 39928 1766 12 outer outer JJ 39928 1766 13 leaves leave NNS 39928 1766 14 of of IN 39928 1766 15 shrubs shrub NNS 39928 1766 16 and and CC 39928 1766 17 trees tree NNS 39928 1766 18 , , , 39928 1766 19 condense condense VBP 39928 1766 20 so so RB 39928 1766 21 much much JJ 39928 1766 22 moisture moisture NN 39928 1766 23 as as IN 39928 1766 24 to to TO 39928 1766 25 take take VB 39928 1766 26 the the DT 39928 1766 27 place place NN 39928 1766 28 of of IN 39928 1766 29 rain rain NN 39928 1766 30 so so RB 39928 1766 31 far far RB 39928 1766 32 as as IN 39928 1766 33 the the DT 39928 1766 34 needs need NNS 39928 1766 35 of of IN 39928 1766 36 such such JJ 39928 1766 37 vegetation vegetation NN 39928 1766 38 were be VBD 39928 1766 39 concerned concern VBN 39928 1766 40 . . . 39928 1767 1 But but CC 39928 1767 2 without without IN 39928 1767 3 arrangements arrangement NNS 39928 1767 4 for for IN 39928 1767 5 irrigation irrigation NN 39928 1767 6 cultivation cultivation NN 39928 1767 7 would would MD 39928 1767 8 be be VB 39928 1767 9 almost almost RB 39928 1767 10 impossible impossible JJ 39928 1767 11 , , , 39928 1767 12 because because IN 39928 1767 13 the the DT 39928 1767 14 bare bare JJ 39928 1767 15 soil soil NN 39928 1767 16 would would MD 39928 1767 17 become become VB 39928 1767 18 intensely intensely RB 39928 1767 19 heated heated JJ 39928 1767 20 during during IN 39928 1767 21 the the DT 39928 1767 22 day day NN 39928 1767 23 , , , 39928 1767 24 and and CC 39928 1767 25 would would MD 39928 1767 26 retain retain VB 39928 1767 27 so so RB 39928 1767 28 much much JJ 39928 1767 29 of of IN 39928 1767 30 its -PRON- PRP$ 39928 1767 31 heat heat NN 39928 1767 32 through through IN 39928 1767 33 the the DT 39928 1767 34 night night NN 39928 1767 35 so so IN 39928 1767 36 as as IN 39928 1767 37 to to TO 39928 1767 38 prevent prevent VB 39928 1767 39 any any DT 39928 1767 40 dew dew NN 39928 1767 41 forming form VBG 39928 1767 42 upon upon IN 39928 1767 43 it -PRON- PRP 39928 1767 44 . . . 39928 1768 1 Some some DT 39928 1768 2 more more RBR 39928 1768 3 effective effective JJ 39928 1768 4 mode mode NN 39928 1768 5 , , , 39928 1768 6 therefore therefore RB 39928 1768 7 , , , 39928 1768 8 of of IN 39928 1768 9 returning return VBG 39928 1768 10 the the DT 39928 1768 11 aqueous aqueous JJ 39928 1768 12 vapour vapour NN 39928 1768 13 of of IN 39928 1768 14 the the DT 39928 1768 15 atmosphere atmosphere NN 39928 1768 16 to to IN 39928 1768 17 the the DT 39928 1768 18 earth earth NN 39928 1768 19 and and CC 39928 1768 20 ocean ocean NN 39928 1768 21 , , , 39928 1768 22 would would MD 39928 1768 23 be be VB 39928 1768 24 required require VBN 39928 1768 25 , , , 39928 1768 26 and and CC 39928 1768 27 this this DT 39928 1768 28 , , , 39928 1768 29 I -PRON- PRP 39928 1768 30 believe believe VBP 39928 1768 31 , , , 39928 1768 32 would would MD 39928 1768 33 be be VB 39928 1768 34 done do VBN 39928 1768 35 by by IN 39928 1768 36 means mean NNS 39928 1768 37 of of IN 39928 1768 38 hills hill NNS 39928 1768 39 and and CC 39928 1768 40 mountains mountain NNS 39928 1768 41 of of IN 39928 1768 42 sufficient sufficient JJ 39928 1768 43 height height NN 39928 1768 44 to to TO 39928 1768 45 become become VB 39928 1768 46 decidedly decidedly RB 39928 1768 47 colder cold JJR 39928 1768 48 than than IN 39928 1768 49 the the DT 39928 1768 50 lowlands lowland NNS 39928 1768 51 . . . 39928 1769 1 The the DT 39928 1769 2 air air NN 39928 1769 3 from from IN 39928 1769 4 over over IN 39928 1769 5 the the DT 39928 1769 6 oceans ocean NNS 39928 1769 7 would would MD 39928 1769 8 be be VB 39928 1769 9 constantly constantly RB 39928 1769 10 loaded load VBN 39928 1769 11 with with IN 39928 1769 12 moisture moisture NN 39928 1769 13 , , , 39928 1769 14 and and CC 39928 1769 15 whenever whenever WRB 39928 1769 16 the the DT 39928 1769 17 winds wind NNS 39928 1769 18 blew blow VBD 39928 1769 19 on on RP 39928 1769 20 to to IN 39928 1769 21 the the DT 39928 1769 22 land land NN 39928 1769 23 the the DT 39928 1769 24 air air NN 39928 1769 25 would would MD 39928 1769 26 be be VB 39928 1769 27 carried carry VBN 39928 1769 28 up up RP 39928 1769 29 the the DT 39928 1769 30 slopes slope NNS 39928 1769 31 of of IN 39928 1769 32 the the DT 39928 1769 33 hills hill NNS 39928 1769 34 into into IN 39928 1769 35 the the DT 39928 1769 36 colder cold JJR 39928 1769 37 regions region NNS 39928 1769 38 , , , 39928 1769 39 and and CC 39928 1769 40 there there EX 39928 1769 41 be be VB 39928 1769 42 rapidly rapidly RB 39928 1769 43 condensed condense VBN 39928 1769 44 upon upon IN 39928 1769 45 the the DT 39928 1769 46 vegetation vegetation NN 39928 1769 47 , , , 39928 1769 48 and and CC 39928 1769 49 also also RB 39928 1769 50 on on IN 39928 1769 51 the the DT 39928 1769 52 bare bare JJ 39928 1769 53 earth earth NN 39928 1769 54 and and CC 39928 1769 55 rocks rock NNS 39928 1769 56 of of IN 39928 1769 57 northern northern JJ 39928 1769 58 slopes slope NNS 39928 1769 59 , , , 39928 1769 60 and and CC 39928 1769 61 wherever wherever WRB 39928 1769 62 they -PRON- PRP 39928 1769 63 cooled cool VBD 39928 1769 64 sufficiently sufficiently RB 39928 1769 65 during during IN 39928 1769 66 the the DT 39928 1769 67 afternoon afternoon NN 39928 1769 68 or or CC 39928 1769 69 night night NN 39928 1769 70 to to TO 39928 1769 71 be be VB 39928 1769 72 below below IN 39928 1769 73 the the DT 39928 1769 74 temperature temperature NN 39928 1769 75 of of IN 39928 1769 76 the the DT 39928 1769 77 air air NN 39928 1769 78 . . . 39928 1770 1 The the DT 39928 1770 2 quantity quantity NN 39928 1770 3 of of IN 39928 1770 4 vapour vapour NN 39928 1770 5 thus thus RB 39928 1770 6 condensed condense VBN 39928 1770 7 would would MD 39928 1770 8 reduce reduce VB 39928 1770 9 the the DT 39928 1770 10 atmospheric atmospheric JJ 39928 1770 11 pressure pressure NN 39928 1770 12 , , , 39928 1770 13 which which WDT 39928 1770 14 would would MD 39928 1770 15 lead lead VB 39928 1770 16 to to IN 39928 1770 17 an an DT 39928 1770 18 inrush inrush NN 39928 1770 19 of of IN 39928 1770 20 air air NN 39928 1770 21 from from IN 39928 1770 22 below below RB 39928 1770 23 , , , 39928 1770 24 bringing bring VBG 39928 1770 25 with with IN 39928 1770 26 it -PRON- PRP 39928 1770 27 more more RBR 39928 1770 28 vapour vapour JJ 39928 1770 29 , , , 39928 1770 30 and and CC 39928 1770 31 this this DT 39928 1770 32 might may MD 39928 1770 33 give give VB 39928 1770 34 rise rise NN 39928 1770 35 to to IN 39928 1770 36 perpetual perpetual JJ 39928 1770 37 torrents torrent NNS 39928 1770 38 , , , 39928 1770 39 especially especially RB 39928 1770 40 on on IN 39928 1770 41 northern northern JJ 39928 1770 42 and and CC 39928 1770 43 eastern eastern JJ 39928 1770 44 slopes slope NNS 39928 1770 45 . . . 39928 1771 1 But but CC 39928 1771 2 as as IN 39928 1771 3 the the DT 39928 1771 4 evaporation evaporation NN 39928 1771 5 would would MD 39928 1771 6 be be VB 39928 1771 7 much much RB 39928 1771 8 greater great JJR 39928 1771 9 than than IN 39928 1771 10 at at IN 39928 1771 11 the the DT 39928 1771 12 present present JJ 39928 1771 13 time time NN 39928 1771 14 , , , 39928 1771 15 owing owe VBG 39928 1771 16 to to IN 39928 1771 17 perpetual perpetual JJ 39928 1771 18 sunshine sunshine NN 39928 1771 19 , , , 39928 1771 20 so so RB 39928 1771 21 the the DT 39928 1771 22 water water NN 39928 1771 23 returned return VBD 39928 1771 24 to to IN 39928 1771 25 the the DT 39928 1771 26 earth earth NN 39928 1771 27 would would MD 39928 1771 28 be be VB 39928 1771 29 greater great JJR 39928 1771 30 , , , 39928 1771 31 and and CC 39928 1771 32 as as IN 39928 1771 33 it -PRON- PRP 39928 1771 34 would would MD 39928 1771 35 not not RB 39928 1771 36 be be VB 39928 1771 37 so so RB 39928 1771 38 uniformly uniformly RB 39928 1771 39 distributed distribute VBN 39928 1771 40 over over IN 39928 1771 41 the the DT 39928 1771 42 land land NN 39928 1771 43 as as IN 39928 1771 44 it -PRON- PRP 39928 1771 45 is be VBZ 39928 1771 46 now now RB 39928 1771 47 , , , 39928 1771 48 the the DT 39928 1771 49 result result NN 39928 1771 50 would would MD 39928 1771 51 perhaps perhaps RB 39928 1771 52 be be VB 39928 1771 53 that that IN 39928 1771 54 extensive extensive JJ 39928 1771 55 mountain mountain NN 39928 1771 56 sides side NNS 39928 1771 57 would would MD 39928 1771 58 become become VB 39928 1771 59 devastated devastate VBN 39928 1771 60 by by IN 39928 1771 61 violent violent JJ 39928 1771 62 torrents torrent NNS 39928 1771 63 , , , 39928 1771 64 rendering render VBG 39928 1771 65 permanent permanent JJ 39928 1771 66 vegetation vegetation NN 39928 1771 67 almost almost RB 39928 1771 68 impossible impossible JJ 39928 1771 69 ; ; : 39928 1771 70 while while IN 39928 1771 71 other other JJ 39928 1771 72 and and CC 39928 1771 73 more more RBR 39928 1771 74 extensive extensive JJ 39928 1771 75 areas area NNS 39928 1771 76 , , , 39928 1771 77 in in IN 39928 1771 78 the the DT 39928 1771 79 absence absence NN 39928 1771 80 of of IN 39928 1771 81 rain rain NN 39928 1771 82 , , , 39928 1771 83 would would MD 39928 1771 84 become become VB 39928 1771 85 arid arid NN 39928 1771 86 wastes waste NNS 39928 1771 87 that that WDT 39928 1771 88 would would MD 39928 1771 89 support support VB 39928 1771 90 only only RB 39928 1771 91 the the DT 39928 1771 92 few few JJ 39928 1771 93 peculiar peculiar JJ 39928 1771 94 types type NNS 39928 1771 95 of of IN 39928 1771 96 vegetation vegetation NN 39928 1771 97 that that WDT 39928 1771 98 are be VBP 39928 1771 99 characteristic characteristic JJ 39928 1771 100 of of IN 39928 1771 101 such such JJ 39928 1771 102 regions region NNS 39928 1771 103 . . . 39928 1772 1 Whether whether IN 39928 1772 2 such such JJ 39928 1772 3 conditions condition NNS 39928 1772 4 as as IN 39928 1772 5 here here RB 39928 1772 6 supposed suppose VBN 39928 1772 7 would would MD 39928 1772 8 prevent prevent VB 39928 1772 9 the the DT 39928 1772 10 development development NN 39928 1772 11 of of IN 39928 1772 12 the the DT 39928 1772 13 higher high JJR 39928 1772 14 forms form NNS 39928 1772 15 of of IN 39928 1772 16 life life NN 39928 1772 17 it -PRON- PRP 39928 1772 18 is be VBZ 39928 1772 19 impossible impossible JJ 39928 1772 20 to to TO 39928 1772 21 say say VB 39928 1772 22 , , , 39928 1772 23 but but CC 39928 1772 24 it -PRON- PRP 39928 1772 25 is be VBZ 39928 1772 26 certain certain JJ 39928 1772 27 that that IN 39928 1772 28 they -PRON- PRP 39928 1772 29 would would MD 39928 1772 30 be be VB 39928 1772 31 very very RB 39928 1772 32 unfavourable unfavourable JJ 39928 1772 33 , , , 39928 1772 34 and and CC 39928 1772 35 might may MD 39928 1772 36 have have VB 39928 1772 37 much much RB 39928 1772 38 more more RBR 39928 1772 39 disastrous disastrous JJ 39928 1772 40 consequences consequence NNS 39928 1772 41 than than IN 39928 1772 42 any any DT 39928 1772 43 we -PRON- PRP 39928 1772 44 have have VBP 39928 1772 45 here here RB 39928 1772 46 suggested suggest VBN 39928 1772 47 . . . 39928 1773 1 We -PRON- PRP 39928 1773 2 can can MD 39928 1773 3 hardly hardly RB 39928 1773 4 suppose suppose VB 39928 1773 5 that that IN 39928 1773 6 , , , 39928 1773 7 with with IN 39928 1773 8 winds wind NNS 39928 1773 9 and and CC 39928 1773 10 rock rock NN 39928 1773 11 - - HYPH 39928 1773 12 formations formation NNS 39928 1773 13 at at RB 39928 1773 14 all all RB 39928 1773 15 like like UH 39928 1773 16 what what WP 39928 1773 17 they -PRON- PRP 39928 1773 18 are be VBP 39928 1773 19 now now RB 39928 1773 20 , , , 39928 1773 21 any any DT 39928 1773 22 world world NN 39928 1773 23 could could MD 39928 1773 24 be be VB 39928 1773 25 wholly wholly RB 39928 1773 26 free free JJ 39928 1773 27 from from IN 39928 1773 28 atmospheric atmospheric JJ 39928 1773 29 dust dust NN 39928 1773 30 . . . 39928 1774 1 If if IN 39928 1774 2 , , , 39928 1774 3 however however RB 39928 1774 4 , , , 39928 1774 5 the the DT 39928 1774 6 atmosphere atmosphere NN 39928 1774 7 itself -PRON- PRP 39928 1774 8 were be VBD 39928 1774 9 much much RB 39928 1774 10 less less RBR 39928 1774 11 dense dense JJ 39928 1774 12 than than IN 39928 1774 13 it -PRON- PRP 39928 1774 14 is be VBZ 39928 1774 15 , , , 39928 1774 16 say say VB 39928 1774 17 one one CD 39928 1774 18 - - HYPH 39928 1774 19 half half NN 39928 1774 20 , , , 39928 1774 21 which which WDT 39928 1774 22 might may MD 39928 1774 23 very very RB 39928 1774 24 easily easily RB 39928 1774 25 have have VB 39928 1774 26 been be VBN 39928 1774 27 the the DT 39928 1774 28 case case NN 39928 1774 29 , , , 39928 1774 30 then then RB 39928 1774 31 the the DT 39928 1774 32 winds wind NNS 39928 1774 33 would would MD 39928 1774 34 have have VB 39928 1774 35 less less JJR 39928 1774 36 carrying carry VBG 39928 1774 37 power power NN 39928 1774 38 , , , 39928 1774 39 and and CC 39928 1774 40 at at IN 39928 1774 41 the the DT 39928 1774 42 elevations elevation NNS 39928 1774 43 at at IN 39928 1774 44 which which WDT 39928 1774 45 clouds cloud NNS 39928 1774 46 are be VBP 39928 1774 47 usually usually RB 39928 1774 48 formed form VBN 39928 1774 49 there there EX 39928 1774 50 would would MD 39928 1774 51 not not RB 39928 1774 52 be be VB 39928 1774 53 enough enough JJ 39928 1774 54 dust dust NN 39928 1774 55 - - HYPH 39928 1774 56 particles particle NNS 39928 1774 57 to to TO 39928 1774 58 assist assist VB 39928 1774 59 in in IN 39928 1774 60 their -PRON- PRP$ 39928 1774 61 formation formation NN 39928 1774 62 . . . 39928 1775 1 Hence hence RB 39928 1775 2 fogs fog VBZ 39928 1775 3 close close JJ 39928 1775 4 to to IN 39928 1775 5 the the DT 39928 1775 6 earth earth NN 39928 1775 7 's 's POS 39928 1775 8 surface surface NN 39928 1775 9 would would MD 39928 1775 10 largely largely RB 39928 1775 11 take take VB 39928 1775 12 the the DT 39928 1775 13 place place NN 39928 1775 14 of of IN 39928 1775 15 clouds cloud NNS 39928 1775 16 floating float VBG 39928 1775 17 far far RB 39928 1775 18 above above IN 39928 1775 19 it -PRON- PRP 39928 1775 20 , , , 39928 1775 21 and and CC 39928 1775 22 these these DT 39928 1775 23 would would MD 39928 1775 24 certainly certainly RB 39928 1775 25 be be VB 39928 1775 26 less less RBR 39928 1775 27 favourable favourable JJ 39928 1775 28 to to IN 39928 1775 29 human human JJ 39928 1775 30 life life NN 39928 1775 31 and and CC 39928 1775 32 to to IN 39928 1775 33 that that DT 39928 1775 34 of of IN 39928 1775 35 many many JJ 39928 1775 36 of of IN 39928 1775 37 the the DT 39928 1775 38 higher high JJR 39928 1775 39 animals animal NNS 39928 1775 40 than than IN 39928 1775 41 existing exist VBG 39928 1775 42 conditions condition NNS 39928 1775 43 . . . 39928 1776 1 The the DT 39928 1776 2 world world NN 39928 1776 3 - - HYPH 39928 1776 4 wide wide JJ 39928 1776 5 distribution distribution NN 39928 1776 6 of of IN 39928 1776 7 atmospheric atmospheric JJ 39928 1776 8 dust dust NN 39928 1776 9 is be VBZ 39928 1776 10 a a DT 39928 1776 11 remarkable remarkable JJ 39928 1776 12 phenomenon phenomenon NN 39928 1776 13 . . . 39928 1777 1 As as IN 39928 1777 2 the the DT 39928 1777 3 blue blue JJ 39928 1777 4 colour colour NN 39928 1777 5 of of IN 39928 1777 6 the the DT 39928 1777 7 sky sky NN 39928 1777 8 is be VBZ 39928 1777 9 universal universal JJ 39928 1777 10 , , , 39928 1777 11 the the DT 39928 1777 12 whole whole NN 39928 1777 13 of of IN 39928 1777 14 the the DT 39928 1777 15 higher high JJR 39928 1777 16 atmosphere atmosphere NN 39928 1777 17 must must MD 39928 1777 18 be be VB 39928 1777 19 pervaded pervade VBN 39928 1777 20 by by IN 39928 1777 21 myriads myriad NNS 39928 1777 22 of of IN 39928 1777 23 ultra ultra JJ 39928 1777 24 - - JJ 39928 1777 25 microscopical microscopical JJ 39928 1777 26 particles particle NNS 39928 1777 27 , , , 39928 1777 28 which which WDT 39928 1777 29 , , , 39928 1777 30 by by IN 39928 1777 31 reflecting reflect VBG 39928 1777 32 the the DT 39928 1777 33 blue blue JJ 39928 1777 34 rays ray NNS 39928 1777 35 only only RB 39928 1777 36 , , , 39928 1777 37 give give VB 39928 1777 38 us -PRON- PRP 39928 1777 39 not not RB 39928 1777 40 only only RB 39928 1777 41 the the DT 39928 1777 42 azure azure JJ 39928 1777 43 vault vault NN 39928 1777 44 of of IN 39928 1777 45 heaven heaven NNP 39928 1777 46 , , , 39928 1777 47 but but CC 39928 1777 48 in in IN 39928 1777 49 combination combination NN 39928 1777 50 with with IN 39928 1777 51 the the DT 39928 1777 52 coarser coarser NN 39928 1777 53 dust dust NN 39928 1777 54 of of IN 39928 1777 55 lower low JJR 39928 1777 56 altitudes altitude NNS 39928 1777 57 , , , 39928 1777 58 diffused diffuse VBN 39928 1777 59 daylight daylight NN 39928 1777 60 , , , 39928 1777 61 the the DT 39928 1777 62 grand grand JJ 39928 1777 63 forms form NNS 39928 1777 64 and and CC 39928 1777 65 motions motion NNS 39928 1777 66 of of IN 39928 1777 67 the the DT 39928 1777 68 fleecy fleecy JJ 39928 1777 69 clouds cloud NNS 39928 1777 70 , , , 39928 1777 71 and and CC 39928 1777 72 the the DT 39928 1777 73 ' ' `` 39928 1777 74 gentle gentle JJ 39928 1777 75 rain rain NN 39928 1777 76 from from IN 39928 1777 77 heaven heaven NNP 39928 1777 78 ' ' '' 39928 1777 79 to to TO 39928 1777 80 refresh refresh VB 39928 1777 81 the the DT 39928 1777 82 parched parched JJ 39928 1777 83 earth earth NN 39928 1777 84 and and CC 39928 1777 85 make make VB 39928 1777 86 it -PRON- PRP 39928 1777 87 beautiful beautiful JJ 39928 1777 88 with with IN 39928 1777 89 foliage foliage NN 39928 1777 90 and and CC 39928 1777 91 flowers flower NNS 39928 1777 92 . . . 39928 1778 1 Over over IN 39928 1778 2 every every DT 39928 1778 3 part part NN 39928 1778 4 of of IN 39928 1778 5 the the DT 39928 1778 6 vast vast JJ 39928 1778 7 Pacific Pacific NNP 39928 1778 8 Ocean Ocean NNP 39928 1778 9 , , , 39928 1778 10 whose whose WP$ 39928 1778 11 islands island NNS 39928 1778 12 must must MD 39928 1778 13 produce produce VB 39928 1778 14 a a DT 39928 1778 15 minimum minimum NN 39928 1778 16 of of IN 39928 1778 17 dust dust NN 39928 1778 18 , , , 39928 1778 19 the the DT 39928 1778 20 sky sky NN 39928 1778 21 is be VBZ 39928 1778 22 always always RB 39928 1778 23 blue blue JJ 39928 1778 24 , , , 39928 1778 25 and and CC 39928 1778 26 its -PRON- PRP$ 39928 1778 27 thousand thousand CD 39928 1778 28 isles isle NNS 39928 1778 29 do do VBP 39928 1778 30 not not RB 39928 1778 31 suffer suffer VB 39928 1778 32 for for IN 39928 1778 33 want want NN 39928 1778 34 of of IN 39928 1778 35 rain rain NN 39928 1778 36 . . . 39928 1779 1 Over over IN 39928 1779 2 the the DT 39928 1779 3 great great JJ 39928 1779 4 forest forest NN 39928 1779 5 - - HYPH 39928 1779 6 plain plain NN 39928 1779 7 of of IN 39928 1779 8 the the DT 39928 1779 9 Amazon Amazon NNP 39928 1779 10 valley valley NNP 39928 1779 11 , , , 39928 1779 12 where where WRB 39928 1779 13 the the DT 39928 1779 14 production production NN 39928 1779 15 of of IN 39928 1779 16 dust dust NN 39928 1779 17 must must MD 39928 1779 18 be be VB 39928 1779 19 very very RB 39928 1779 20 small small JJ 39928 1779 21 , , , 39928 1779 22 there there EX 39928 1779 23 is be VBZ 39928 1779 24 yet yet RB 39928 1779 25 abundance abundance NN 39928 1779 26 of of IN 39928 1779 27 rain rain NN 39928 1779 28 - - HYPH 39928 1779 29 clouds cloud NNS 39928 1779 30 and and CC 39928 1779 31 of of IN 39928 1779 32 rain rain NN 39928 1779 33 . . . 39928 1780 1 This this DT 39928 1780 2 is be VBZ 39928 1780 3 due due JJ 39928 1780 4 primarily primarily RB 39928 1780 5 to to IN 39928 1780 6 the the DT 39928 1780 7 two two CD 39928 1780 8 great great JJ 39928 1780 9 natural natural JJ 39928 1780 10 sources source NNS 39928 1780 11 of of IN 39928 1780 12 dust dust NN 39928 1780 13 -- -- : 39928 1780 14 the the DT 39928 1780 15 active active JJ 39928 1780 16 volcanoes volcano NNS 39928 1780 17 , , , 39928 1780 18 together together RB 39928 1780 19 with with IN 39928 1780 20 the the DT 39928 1780 21 deserts desert NNS 39928 1780 22 and and CC 39928 1780 23 more more JJR 39928 1780 24 arid arid JJ 39928 1780 25 regions region NNS 39928 1780 26 of of IN 39928 1780 27 the the DT 39928 1780 28 world world NN 39928 1780 29 ; ; , 39928 1780 30 and and CC 39928 1780 31 , , , 39928 1780 32 in in IN 39928 1780 33 the the DT 39928 1780 34 second second JJ 39928 1780 35 place place NN 39928 1780 36 , , , 39928 1780 37 to to IN 39928 1780 38 the the DT 39928 1780 39 density density NN 39928 1780 40 and and CC 39928 1780 41 wonderful wonderful JJ 39928 1780 42 mobility mobility NN 39928 1780 43 of of IN 39928 1780 44 the the DT 39928 1780 45 atmosphere atmosphere NN 39928 1780 46 , , , 39928 1780 47 which which WDT 39928 1780 48 not not RB 39928 1780 49 only only RB 39928 1780 50 carries carry VBZ 39928 1780 51 the the DT 39928 1780 52 finest fine JJS 39928 1780 53 dust dust NN 39928 1780 54 - - HYPH 39928 1780 55 particles particle NNS 39928 1780 56 to to IN 39928 1780 57 an an DT 39928 1780 58 enormous enormous JJ 39928 1780 59 height height NN 39928 1780 60 , , , 39928 1780 61 but but CC 39928 1780 62 distributes distribute VBZ 39928 1780 63 them -PRON- PRP 39928 1780 64 through through IN 39928 1780 65 its -PRON- PRP$ 39928 1780 66 whole whole JJ 39928 1780 67 extent extent NN 39928 1780 68 with with IN 39928 1780 69 such such JJ 39928 1780 70 wonderful wonderful JJ 39928 1780 71 uniformity uniformity NN 39928 1780 72 . . . 39928 1781 1 Every every DT 39928 1781 2 dust dust NN 39928 1781 3 - - HYPH 39928 1781 4 particle particle NN 39928 1781 5 is be VBZ 39928 1781 6 of of IN 39928 1781 7 course course NN 39928 1781 8 much much RB 39928 1781 9 heavier heavy JJR 39928 1781 10 than than IN 39928 1781 11 air air NN 39928 1781 12 , , , 39928 1781 13 and and CC 39928 1781 14 in in IN 39928 1781 15 a a DT 39928 1781 16 comparatively comparatively RB 39928 1781 17 short short JJ 39928 1781 18 time time NN 39928 1781 19 , , , 39928 1781 20 if if IN 39928 1781 21 the the DT 39928 1781 22 atmosphere atmosphere NN 39928 1781 23 were be VBD 39928 1781 24 still still RB 39928 1781 25 , , , 39928 1781 26 would would MD 39928 1781 27 fall fall VB 39928 1781 28 to to IN 39928 1781 29 the the DT 39928 1781 30 ground ground NN 39928 1781 31 . . . 39928 1782 1 Tyndall tyndall NN 39928 1782 2 found find VBD 39928 1782 3 that that IN 39928 1782 4 the the DT 39928 1782 5 air air NN 39928 1782 6 of of IN 39928 1782 7 a a DT 39928 1782 8 cellar cellar NN 39928 1782 9 under under IN 39928 1782 10 the the DT 39928 1782 11 Royal Royal NNP 39928 1782 12 Institution Institution NNP 39928 1782 13 in in IN 39928 1782 14 Albemarle Albemarle NNP 39928 1782 15 Street Street NNP 39928 1782 16 , , , 39928 1782 17 which which WDT 39928 1782 18 had have VBD 39928 1782 19 not not RB 39928 1782 20 been be VBN 39928 1782 21 opened open VBN 39928 1782 22 for for IN 39928 1782 23 several several JJ 39928 1782 24 months month NNS 39928 1782 25 , , , 39928 1782 26 was be VBD 39928 1782 27 so so RB 39928 1782 28 pure pure JJ 39928 1782 29 that that IN 39928 1782 30 the the DT 39928 1782 31 path path NN 39928 1782 32 of of IN 39928 1782 33 a a DT 39928 1782 34 beam beam NN 39928 1782 35 of of IN 39928 1782 36 electric electric JJ 39928 1782 37 light light NN 39928 1782 38 sent send VBN 39928 1782 39 through through IN 39928 1782 40 it -PRON- PRP 39928 1782 41 was be VBD 39928 1782 42 quite quite RB 39928 1782 43 invisible invisible JJ 39928 1782 44 . . . 39928 1783 1 But but CC 39928 1783 2 careful careful JJ 39928 1783 3 experiments experiment NNS 39928 1783 4 show show VBP 39928 1783 5 that that IN 39928 1783 6 not not RB 39928 1783 7 only only RB 39928 1783 8 is be VBZ 39928 1783 9 the the DT 39928 1783 10 air air NN 39928 1783 11 in in IN 39928 1783 12 continual continual JJ 39928 1783 13 motion motion NN 39928 1783 14 , , , 39928 1783 15 but but CC 39928 1783 16 the the DT 39928 1783 17 motion motion NN 39928 1783 18 is be VBZ 39928 1783 19 excessively excessively RB 39928 1783 20 irregular irregular JJ 39928 1783 21 , , , 39928 1783 22 being be VBG 39928 1783 23 hardly hardly RB 39928 1783 24 ever ever RB 39928 1783 25 quite quite RB 39928 1783 26 horizontal horizontal JJ 39928 1783 27 , , , 39928 1783 28 but but CC 39928 1783 29 upwards upward NNS 39928 1783 30 and and CC 39928 1783 31 downwards downward NNS 39928 1783 32 and and CC 39928 1783 33 in in IN 39928 1783 34 every every DT 39928 1783 35 intermediate intermediate JJ 39928 1783 36 direction direction NN 39928 1783 37 , , , 39928 1783 38 as as RB 39928 1783 39 well well RB 39928 1783 40 as as IN 39928 1783 41 in in IN 39928 1783 42 countless countless JJ 39928 1783 43 whirls whirl NNS 39928 1783 44 and and CC 39928 1783 45 eddies eddy NNS 39928 1783 46 ; ; : 39928 1783 47 and and CC 39928 1783 48 this this DT 39928 1783 49 complexity complexity NN 39928 1783 50 of of IN 39928 1783 51 motion motion NN 39928 1783 52 must must MD 39928 1783 53 extend extend VB 39928 1783 54 to to IN 39928 1783 55 a a DT 39928 1783 56 vast vast JJ 39928 1783 57 height height NN 39928 1783 58 , , , 39928 1783 59 probably probably RB 39928 1783 60 to to TO 39928 1783 61 fifty fifty CD 39928 1783 62 miles mile NNS 39928 1783 63 or or CC 39928 1783 64 more more JJR 39928 1783 65 , , , 39928 1783 66 in in IN 39928 1783 67 order order NN 39928 1783 68 to to TO 39928 1783 69 provide provide VB 39928 1783 70 a a DT 39928 1783 71 sufficient sufficient JJ 39928 1783 72 thickness thickness NN 39928 1783 73 of of IN 39928 1783 74 those those DT 39928 1783 75 minutest minute JJS 39928 1783 76 particles particle NNS 39928 1783 77 which which WDT 39928 1783 78 produce produce VBP 39928 1783 79 the the DT 39928 1783 80 blue blue NN 39928 1783 81 of of IN 39928 1783 82 the the DT 39928 1783 83 sky sky NN 39928 1783 84 . . . 39928 1784 1 All all PDT 39928 1784 2 this this DT 39928 1784 3 complexity complexity NN 39928 1784 4 of of IN 39928 1784 5 motion motion NN 39928 1784 6 is be VBZ 39928 1784 7 due due JJ 39928 1784 8 to to IN 39928 1784 9 the the DT 39928 1784 10 action action NN 39928 1784 11 of of IN 39928 1784 12 the the DT 39928 1784 13 sun sun NN 39928 1784 14 in in IN 39928 1784 15 heating heat VBG 39928 1784 16 the the DT 39928 1784 17 surface surface NN 39928 1784 18 of of IN 39928 1784 19 the the DT 39928 1784 20 earth earth NN 39928 1784 21 , , , 39928 1784 22 and and CC 39928 1784 23 the the DT 39928 1784 24 extreme extreme JJ 39928 1784 25 irregularity irregularity NN 39928 1784 26 of of IN 39928 1784 27 that that DT 39928 1784 28 surface surface NN 39928 1784 29 both both DT 39928 1784 30 as as IN 39928 1784 31 regards regard VBZ 39928 1784 32 contour contour NN 39928 1784 33 and and CC 39928 1784 34 its -PRON- PRP$ 39928 1784 35 capacity capacity NN 39928 1784 36 for for IN 39928 1784 37 heat heat NN 39928 1784 38 - - HYPH 39928 1784 39 absorption absorption NN 39928 1784 40 . . . 39928 1785 1 In in IN 39928 1785 2 one one CD 39928 1785 3 area area NN 39928 1785 4 we -PRON- PRP 39928 1785 5 have have VBP 39928 1785 6 sand sand NN 39928 1785 7 or or CC 39928 1785 8 rock rock NN 39928 1785 9 or or CC 39928 1785 10 bare bare JJ 39928 1785 11 clay clay NN 39928 1785 12 , , , 39928 1785 13 which which WDT 39928 1785 14 , , , 39928 1785 15 when when WRB 39928 1785 16 exposed expose VBN 39928 1785 17 to to IN 39928 1785 18 bright bright JJ 39928 1785 19 sunshine sunshine NN 39928 1785 20 , , , 39928 1785 21 become become VB 39928 1785 22 scorching scorch VBG 39928 1785 23 hot hot JJ 39928 1785 24 ; ; : 39928 1785 25 in in IN 39928 1785 26 another another DT 39928 1785 27 area area NN 39928 1785 28 we -PRON- PRP 39928 1785 29 have have VBP 39928 1785 30 dense dense JJ 39928 1785 31 vegetation vegetation NN 39928 1785 32 , , , 39928 1785 33 which which WDT 39928 1785 34 , , , 39928 1785 35 owing owe VBG 39928 1785 36 to to IN 39928 1785 37 evaporation evaporation NN 39928 1785 38 caused cause VBN 39928 1785 39 by by IN 39928 1785 40 the the DT 39928 1785 41 sunshine sunshine NN 39928 1785 42 , , , 39928 1785 43 remains remain VBZ 39928 1785 44 comparatively comparatively RB 39928 1785 45 cool cool JJ 39928 1785 46 , , , 39928 1785 47 and and CC 39928 1785 48 also also RB 39928 1785 49 the the DT 39928 1785 50 still still RB 39928 1785 51 cooler cool JJR 39928 1785 52 surfaces surface NNS 39928 1785 53 of of IN 39928 1785 54 rivers river NNS 39928 1785 55 and and CC 39928 1785 56 Alpine Alpine NNP 39928 1785 57 lakes lake NNS 39928 1785 58 . . . 39928 1786 1 But but CC 39928 1786 2 if if IN 39928 1786 3 the the DT 39928 1786 4 air air NN 39928 1786 5 were be VBD 39928 1786 6 much much RB 39928 1786 7 less less RBR 39928 1786 8 dense dense JJ 39928 1786 9 than than IN 39928 1786 10 it -PRON- PRP 39928 1786 11 is be VBZ 39928 1786 12 , , , 39928 1786 13 these these DT 39928 1786 14 movements movement NNS 39928 1786 15 would would MD 39928 1786 16 be be VB 39928 1786 17 less less RBR 39928 1786 18 energetic energetic JJ 39928 1786 19 , , , 39928 1786 20 while while IN 39928 1786 21 all all PDT 39928 1786 22 the the DT 39928 1786 23 dust dust NN 39928 1786 24 that that WDT 39928 1786 25 was be VBD 39928 1786 26 raised raise VBN 39928 1786 27 to to IN 39928 1786 28 any any DT 39928 1786 29 considerable considerable JJ 39928 1786 30 height height NN 39928 1786 31 would would MD 39928 1786 32 , , , 39928 1786 33 by by IN 39928 1786 34 its -PRON- PRP$ 39928 1786 35 own own JJ 39928 1786 36 weight weight NN 39928 1786 37 , , , 39928 1786 38 fall fall VB 39928 1786 39 back back RB 39928 1786 40 again again RB 39928 1786 41 to to IN 39928 1786 42 the the DT 39928 1786 43 earth earth NN 39928 1786 44 much much RB 39928 1786 45 more more RBR 39928 1786 46 rapidly rapidly RB 39928 1786 47 than than IN 39928 1786 48 it -PRON- PRP 39928 1786 49 does do VBZ 39928 1786 50 now now RB 39928 1786 51 . . . 39928 1787 1 There there EX 39928 1787 2 would would MD 39928 1787 3 thus thus RB 39928 1787 4 be be VB 39928 1787 5 much much RB 39928 1787 6 less less JJR 39928 1787 7 dust dust NN 39928 1787 8 permanently permanently RB 39928 1787 9 in in IN 39928 1787 10 the the DT 39928 1787 11 atmosphere atmosphere NN 39928 1787 12 , , , 39928 1787 13 and and CC 39928 1787 14 this this DT 39928 1787 15 would would MD 39928 1787 16 inevitably inevitably RB 39928 1787 17 lead lead VB 39928 1787 18 to to IN 39928 1787 19 diminished diminished JJ 39928 1787 20 rainfall rainfall NN 39928 1787 21 and and CC 39928 1787 22 , , , 39928 1787 23 partially partially RB 39928 1787 24 , , , 39928 1787 25 to to IN 39928 1787 26 the the DT 39928 1787 27 other other JJ 39928 1787 28 injurious injurious JJ 39928 1787 29 effects effect NNS 39928 1787 30 already already RB 39928 1787 31 described describe VBN 39928 1787 32 . . . 39928 1788 1 ATMOSPHERIC atmospheric RB 39928 1788 2 ELECTRICITY ELECTRICITY NNP 39928 1788 3 We -PRON- PRP 39928 1788 4 have have VBP 39928 1788 5 already already RB 39928 1788 6 seen see VBN 39928 1788 7 that that IN 39928 1788 8 vegetable vegetable JJ 39928 1788 9 organisms organism NNS 39928 1788 10 obtain obtain VBP 39928 1788 11 the the DT 39928 1788 12 chief chief JJ 39928 1788 13 part part NN 39928 1788 14 of of IN 39928 1788 15 the the DT 39928 1788 16 nitrogen nitrogen NN 39928 1788 17 in in IN 39928 1788 18 their -PRON- PRP$ 39928 1788 19 tissues tissue NNS 39928 1788 20 from from IN 39928 1788 21 ammonia ammonia NNP 39928 1788 22 produced produce VBN 39928 1788 23 in in IN 39928 1788 24 the the DT 39928 1788 25 atmosphere atmosphere NN 39928 1788 26 and and CC 39928 1788 27 carried carry VBN 39928 1788 28 into into IN 39928 1788 29 the the DT 39928 1788 30 earth earth NN 39928 1788 31 by by IN 39928 1788 32 rain rain NN 39928 1788 33 . . . 39928 1789 1 This this DT 39928 1789 2 substance substance NN 39928 1789 3 can can MD 39928 1789 4 only only RB 39928 1789 5 be be VB 39928 1789 6 thus thus RB 39928 1789 7 produced produce VBN 39928 1789 8 by by IN 39928 1789 9 the the DT 39928 1789 10 agency agency NN 39928 1789 11 of of IN 39928 1789 12 electrical electrical JJ 39928 1789 13 discharges discharge NNS 39928 1789 14 , , , 39928 1789 15 or or CC 39928 1789 16 lightning lightning NN 39928 1789 17 , , , 39928 1789 18 which which WDT 39928 1789 19 cause cause VBP 39928 1789 20 the the DT 39928 1789 21 combination combination NN 39928 1789 22 of of IN 39928 1789 23 the the DT 39928 1789 24 hydrogen hydrogen NN 39928 1789 25 in in IN 39928 1789 26 the the DT 39928 1789 27 aqueous aqueous JJ 39928 1789 28 vapour vapour NN 39928 1789 29 with with IN 39928 1789 30 the the DT 39928 1789 31 free free JJ 39928 1789 32 nitrogen nitrogen NN 39928 1789 33 of of IN 39928 1789 34 the the DT 39928 1789 35 air air NN 39928 1789 36 . . . 39928 1790 1 But but CC 39928 1790 2 clouds cloud NNS 39928 1790 3 are be VBP 39928 1790 4 important important JJ 39928 1790 5 agents agent NNS 39928 1790 6 in in IN 39928 1790 7 the the DT 39928 1790 8 accumulation accumulation NN 39928 1790 9 of of IN 39928 1790 10 electricity electricity NN 39928 1790 11 in in IN 39928 1790 12 sufficient sufficient JJ 39928 1790 13 amount amount NN 39928 1790 14 to to TO 39928 1790 15 produce produce VB 39928 1790 16 the the DT 39928 1790 17 violent violent JJ 39928 1790 18 discharges discharge NNS 39928 1790 19 we -PRON- PRP 39928 1790 20 know know VBP 39928 1790 21 as as IN 39928 1790 22 lightning lightning NN 39928 1790 23 , , , 39928 1790 24 and and CC 39928 1790 25 it -PRON- PRP 39928 1790 26 is be VBZ 39928 1790 27 doubtful doubtful JJ 39928 1790 28 whether whether IN 39928 1790 29 without without IN 39928 1790 30 them -PRON- PRP 39928 1790 31 there there EX 39928 1790 32 would would MD 39928 1790 33 be be VB 39928 1790 34 any any DT 39928 1790 35 discharges discharge NNS 39928 1790 36 through through IN 39928 1790 37 the the DT 39928 1790 38 atmosphere atmosphere NN 39928 1790 39 capable capable JJ 39928 1790 40 of of IN 39928 1790 41 decomposing decompose VBG 39928 1790 42 the the DT 39928 1790 43 aqueous aqueous JJ 39928 1790 44 vapour vapour NN 39928 1790 45 in in IN 39928 1790 46 it -PRON- PRP 39928 1790 47 . . . 39928 1791 1 Not not RB 39928 1791 2 only only RB 39928 1791 3 are be VBP 39928 1791 4 clouds cloud NNS 39928 1791 5 beneficial beneficial JJ 39928 1791 6 in in IN 39928 1791 7 the the DT 39928 1791 8 production production NN 39928 1791 9 of of IN 39928 1791 10 rain rain NN 39928 1791 11 , , , 39928 1791 12 and and CC 39928 1791 13 also also RB 39928 1791 14 in in IN 39928 1791 15 moderating moderate VBG 39928 1791 16 the the DT 39928 1791 17 intensity intensity NN 39928 1791 18 of of IN 39928 1791 19 continuous continuous JJ 39928 1791 20 sun sun NN 39928 1791 21 - - HYPH 39928 1791 22 heat heat NN 39928 1791 23 , , , 39928 1791 24 but but CC 39928 1791 25 they -PRON- PRP 39928 1791 26 are be VBP 39928 1791 27 also also RB 39928 1791 28 requisite requisite JJ 39928 1791 29 for for IN 39928 1791 30 the the DT 39928 1791 31 formation formation NN 39928 1791 32 of of IN 39928 1791 33 chemical chemical JJ 39928 1791 34 compounds compound NNS 39928 1791 35 in in IN 39928 1791 36 vegetables vegetable NNS 39928 1791 37 which which WDT 39928 1791 38 are be VBP 39928 1791 39 of of IN 39928 1791 40 the the DT 39928 1791 41 highest high JJS 39928 1791 42 importance importance NN 39928 1791 43 to to IN 39928 1791 44 the the DT 39928 1791 45 whole whole JJ 39928 1791 46 animal animal NN 39928 1791 47 kingdom kingdom NN 39928 1791 48 . . . 39928 1792 1 So so RB 39928 1792 2 far far RB 39928 1792 3 as as IN 39928 1792 4 we -PRON- PRP 39928 1792 5 know know VBP 39928 1792 6 , , , 39928 1792 7 animal animal NN 39928 1792 8 life life NN 39928 1792 9 could could MD 39928 1792 10 not not RB 39928 1792 11 exist exist VB 39928 1792 12 on on IN 39928 1792 13 the the DT 39928 1792 14 earth earth NN 39928 1792 15 's 's POS 39928 1792 16 surface surface NN 39928 1792 17 without without IN 39928 1792 18 this this DT 39928 1792 19 source source NN 39928 1792 20 of of IN 39928 1792 21 nitrogen nitrogen NN 39928 1792 22 , , , 39928 1792 23 and and CC 39928 1792 24 therefore therefore RB 39928 1792 25 without without IN 39928 1792 26 clouds cloud NNS 39928 1792 27 and and CC 39928 1792 28 lightning lightning NN 39928 1792 29 ; ; , 39928 1792 30 and and CC 39928 1792 31 these these DT 39928 1792 32 , , , 39928 1792 33 we -PRON- PRP 39928 1792 34 have have VBP 39928 1792 35 just just RB 39928 1792 36 seen see VBN 39928 1792 37 , , , 39928 1792 38 depend depend VB 39928 1792 39 primarily primarily RB 39928 1792 40 on on IN 39928 1792 41 a a DT 39928 1792 42 due due JJ 39928 1792 43 proportion proportion NN 39928 1792 44 of of IN 39928 1792 45 dust dust NN 39928 1792 46 in in IN 39928 1792 47 the the DT 39928 1792 48 atmosphere atmosphere NN 39928 1792 49 . . . 39928 1793 1 But but CC 39928 1793 2 this this DT 39928 1793 3 due due JJ 39928 1793 4 proportion proportion NN 39928 1793 5 of of IN 39928 1793 6 dust dust NN 39928 1793 7 is be VBZ 39928 1793 8 mainly mainly RB 39928 1793 9 supplied supply VBN 39928 1793 10 by by IN 39928 1793 11 volcanoes volcano NNS 39928 1793 12 and and CC 39928 1793 13 deserts desert NNS 39928 1793 14 , , , 39928 1793 15 and and CC 39928 1793 16 its -PRON- PRP$ 39928 1793 17 distribution distribution NN 39928 1793 18 and and CC 39928 1793 19 constant constant JJ 39928 1793 20 presence presence NN 39928 1793 21 in in IN 39928 1793 22 the the DT 39928 1793 23 air air NN 39928 1793 24 depends depend VBZ 39928 1793 25 upon upon IN 39928 1793 26 the the DT 39928 1793 27 density density NN 39928 1793 28 of of IN 39928 1793 29 the the DT 39928 1793 30 atmosphere atmosphere NN 39928 1793 31 . . . 39928 1794 1 This this DT 39928 1794 2 again again RB 39928 1794 3 depends depend VBZ 39928 1794 4 on on IN 39928 1794 5 two two CD 39928 1794 6 other other JJ 39928 1794 7 factors factor NNS 39928 1794 8 : : : 39928 1794 9 the the DT 39928 1794 10 force force NN 39928 1794 11 of of IN 39928 1794 12 gravity gravity NN 39928 1794 13 due due IN 39928 1794 14 to to IN 39928 1794 15 the the DT 39928 1794 16 mass mass NN 39928 1794 17 of of IN 39928 1794 18 the the DT 39928 1794 19 planet planet NN 39928 1794 20 , , , 39928 1794 21 and and CC 39928 1794 22 the the DT 39928 1794 23 absolute absolute JJ 39928 1794 24 quantity quantity NN 39928 1794 25 of of IN 39928 1794 26 the the DT 39928 1794 27 free free JJ 39928 1794 28 gases gas NNS 39928 1794 29 constituting constitute VBG 39928 1794 30 the the DT 39928 1794 31 atmosphere atmosphere NN 39928 1794 32 . . . 39928 1795 1 We -PRON- PRP 39928 1795 2 thus thus RB 39928 1795 3 find find VBP 39928 1795 4 that that IN 39928 1795 5 the the DT 39928 1795 6 vast vast JJ 39928 1795 7 , , , 39928 1795 8 invisible invisible JJ 39928 1795 9 ocean ocean NN 39928 1795 10 of of IN 39928 1795 11 air air NN 39928 1795 12 in in IN 39928 1795 13 which which WDT 39928 1795 14 we -PRON- PRP 39928 1795 15 live live VBP 39928 1795 16 , , , 39928 1795 17 and and CC 39928 1795 18 which which WDT 39928 1795 19 is be VBZ 39928 1795 20 so so RB 39928 1795 21 important important JJ 39928 1795 22 to to IN 39928 1795 23 us -PRON- PRP 39928 1795 24 that that IN 39928 1795 25 deprivation deprivation NN 39928 1795 26 of of IN 39928 1795 27 it -PRON- PRP 39928 1795 28 for for IN 39928 1795 29 a a DT 39928 1795 30 few few JJ 39928 1795 31 minutes minute NNS 39928 1795 32 is be VBZ 39928 1795 33 destructive destructive JJ 39928 1795 34 of of IN 39928 1795 35 life life NN 39928 1795 36 , , , 39928 1795 37 produces produce VBZ 39928 1795 38 also also RB 39928 1795 39 many many JJ 39928 1795 40 other other JJ 39928 1795 41 beneficial beneficial JJ 39928 1795 42 effects effect NNS 39928 1795 43 of of IN 39928 1795 44 which which WDT 39928 1795 45 we -PRON- PRP 39928 1795 46 usually usually RB 39928 1795 47 take take VBP 39928 1795 48 little little JJ 39928 1795 49 account account NN 39928 1795 50 , , , 39928 1795 51 except except IN 39928 1795 52 at at IN 39928 1795 53 times time NNS 39928 1795 54 when when WRB 39928 1795 55 storm storm NN 39928 1795 56 or or CC 39928 1795 57 tempest tempest NN 39928 1795 58 , , , 39928 1795 59 or or CC 39928 1795 60 excessive excessive JJ 39928 1795 61 heat heat NN 39928 1795 62 or or CC 39928 1795 63 cold cold JJ 39928 1795 64 , , , 39928 1795 65 remind remind VB 39928 1795 66 us -PRON- PRP 39928 1795 67 how how WRB 39928 1795 68 delicate delicate JJ 39928 1795 69 is be VBZ 39928 1795 70 the the DT 39928 1795 71 balance balance NN 39928 1795 72 of of IN 39928 1795 73 conditions condition NNS 39928 1795 74 on on IN 39928 1795 75 which which WDT 39928 1795 76 our -PRON- PRP$ 39928 1795 77 comfort comfort NN 39928 1795 78 , , , 39928 1795 79 and and CC 39928 1795 80 even even RB 39928 1795 81 our -PRON- PRP$ 39928 1795 82 lives life NNS 39928 1795 83 , , , 39928 1795 84 depend depend VBP 39928 1795 85 . . . 39928 1796 1 But but CC 39928 1796 2 the the DT 39928 1796 3 sketch sketch NN 39928 1796 4 I -PRON- PRP 39928 1796 5 have have VBP 39928 1796 6 here here RB 39928 1796 7 attempted attempt VBN 39928 1796 8 to to TO 39928 1796 9 give give VB 39928 1796 10 of of IN 39928 1796 11 its -PRON- PRP$ 39928 1796 12 varied varied JJ 39928 1796 13 functions function NNS 39928 1796 14 shows show VBZ 39928 1796 15 us -PRON- PRP 39928 1796 16 that that IN 39928 1796 17 it -PRON- PRP 39928 1796 18 is be VBZ 39928 1796 19 really really RB 39928 1796 20 a a DT 39928 1796 21 most most RBS 39928 1796 22 complex complex JJ 39928 1796 23 structure structure NN 39928 1796 24 , , , 39928 1796 25 a a DT 39928 1796 26 wonderful wonderful JJ 39928 1796 27 piece piece NN 39928 1796 28 of of IN 39928 1796 29 machinery machinery NN 39928 1796 30 , , , 39928 1796 31 as as IN 39928 1796 32 it -PRON- PRP 39928 1796 33 were be VBD 39928 1796 34 , , , 39928 1796 35 which which WDT 39928 1796 36 in in IN 39928 1796 37 its -PRON- PRP$ 39928 1796 38 various various JJ 39928 1796 39 component component NN 39928 1796 40 gases gas NNS 39928 1796 41 , , , 39928 1796 42 its -PRON- PRP$ 39928 1796 43 actions action NNS 39928 1796 44 and and CC 39928 1796 45 reactions reaction NNS 39928 1796 46 upon upon IN 39928 1796 47 the the DT 39928 1796 48 water water NN 39928 1796 49 and and CC 39928 1796 50 the the DT 39928 1796 51 land land NN 39928 1796 52 , , , 39928 1796 53 its -PRON- PRP$ 39928 1796 54 production production NN 39928 1796 55 of of IN 39928 1796 56 electrical electrical JJ 39928 1796 57 discharges discharge NNS 39928 1796 58 , , , 39928 1796 59 and and CC 39928 1796 60 its -PRON- PRP$ 39928 1796 61 furnishing furnish VBG 39928 1796 62 the the DT 39928 1796 63 elements element NNS 39928 1796 64 from from IN 39928 1796 65 which which WDT 39928 1796 66 the the DT 39928 1796 67 whole whole JJ 39928 1796 68 fabric fabric NN 39928 1796 69 of of IN 39928 1796 70 organic organic JJ 39928 1796 71 life life NN 39928 1796 72 is be VBZ 39928 1796 73 composed compose VBN 39928 1796 74 and and CC 39928 1796 75 perpetually perpetually RB 39928 1796 76 renewed renew VBN 39928 1796 77 , , , 39928 1796 78 may may MD 39928 1796 79 be be VB 39928 1796 80 truly truly RB 39928 1796 81 considered consider VBN 39928 1796 82 to to TO 39928 1796 83 be be VB 39928 1796 84 the the DT 39928 1796 85 very very JJ 39928 1796 86 source source NN 39928 1796 87 and and CC 39928 1796 88 foundation foundation NN 39928 1796 89 of of IN 39928 1796 90 life life NN 39928 1796 91 itself -PRON- PRP 39928 1796 92 . . . 39928 1797 1 This this DT 39928 1797 2 is be VBZ 39928 1797 3 seen see VBN 39928 1797 4 , , , 39928 1797 5 not not RB 39928 1797 6 only only RB 39928 1797 7 in in IN 39928 1797 8 the the DT 39928 1797 9 fact fact NN 39928 1797 10 of of IN 39928 1797 11 our -PRON- PRP$ 39928 1797 12 absolute absolute JJ 39928 1797 13 dependence dependence NN 39928 1797 14 upon upon IN 39928 1797 15 it -PRON- PRP 39928 1797 16 every every DT 39928 1797 17 minute minute NN 39928 1797 18 of of IN 39928 1797 19 our -PRON- PRP$ 39928 1797 20 lives life NNS 39928 1797 21 , , , 39928 1797 22 but but CC 39928 1797 23 in in IN 39928 1797 24 the the DT 39928 1797 25 terrible terrible JJ 39928 1797 26 effects effect NNS 39928 1797 27 produced produce VBN 39928 1797 28 by by IN 39928 1797 29 even even RB 39928 1797 30 a a DT 39928 1797 31 slight slight JJ 39928 1797 32 degree degree NN 39928 1797 33 of of IN 39928 1797 34 impurity impurity NN 39928 1797 35 in in IN 39928 1797 36 this this DT 39928 1797 37 vital vital JJ 39928 1797 38 element element NN 39928 1797 39 . . . 39928 1798 1 Yet yet CC 39928 1798 2 it -PRON- PRP 39928 1798 3 is be VBZ 39928 1798 4 among among IN 39928 1798 5 those those DT 39928 1798 6 nations nation NNS 39928 1798 7 that that WDT 39928 1798 8 claim claim VBP 39928 1798 9 to to TO 39928 1798 10 be be VB 39928 1798 11 the the DT 39928 1798 12 most most RBS 39928 1798 13 civilised civilised JJ 39928 1798 14 , , , 39928 1798 15 those those DT 39928 1798 16 that that WDT 39928 1798 17 profess profess VBP 39928 1798 18 to to TO 39928 1798 19 be be VB 39928 1798 20 guided guide VBN 39928 1798 21 by by IN 39928 1798 22 a a DT 39928 1798 23 knowledge knowledge NN 39928 1798 24 of of IN 39928 1798 25 the the DT 39928 1798 26 laws law NNS 39928 1798 27 of of IN 39928 1798 28 nature nature NN 39928 1798 29 , , , 39928 1798 30 those those DT 39928 1798 31 that that WDT 39928 1798 32 most most JJS 39928 1798 33 glory glory NN 39928 1798 34 in in IN 39928 1798 35 the the DT 39928 1798 36 advance advance NN 39928 1798 37 of of IN 39928 1798 38 science science NN 39928 1798 39 , , , 39928 1798 40 that that IN 39928 1798 41 we -PRON- PRP 39928 1798 42 find find VBP 39928 1798 43 the the DT 39928 1798 44 greatest great JJS 39928 1798 45 apathy apathy NN 39928 1798 46 , , , 39928 1798 47 the the DT 39928 1798 48 greatest great JJS 39928 1798 49 recklessness recklessness NN 39928 1798 50 , , , 39928 1798 51 in in IN 39928 1798 52 continually continually RB 39928 1798 53 rendering render VBG 39928 1798 54 impure impure NN 39928 1798 55 this this DT 39928 1798 56 all all RB 39928 1798 57 - - HYPH 39928 1798 58 important important JJ 39928 1798 59 necessary necessary JJ 39928 1798 60 of of IN 39928 1798 61 life life NN 39928 1798 62 , , , 39928 1798 63 to to IN 39928 1798 64 such such PDT 39928 1798 65 a a DT 39928 1798 66 degree degree NN 39928 1798 67 that that IN 39928 1798 68 the the DT 39928 1798 69 health health NN 39928 1798 70 of of IN 39928 1798 71 the the DT 39928 1798 72 larger large JJR 39928 1798 73 portion portion NN 39928 1798 74 of of IN 39928 1798 75 their -PRON- PRP$ 39928 1798 76 populations population NNS 39928 1798 77 is be VBZ 39928 1798 78 injured injure VBN 39928 1798 79 and and CC 39928 1798 80 their -PRON- PRP$ 39928 1798 81 vitality vitality NN 39928 1798 82 lowered lower VBN 39928 1798 83 , , , 39928 1798 84 by by IN 39928 1798 85 conditions condition NNS 39928 1798 86 which which WDT 39928 1798 87 compel compel VBP 39928 1798 88 them -PRON- PRP 39928 1798 89 to to TO 39928 1798 90 breathe breathe VB 39928 1798 91 more more RBR 39928 1798 92 or or CC 39928 1798 93 less less RBR 39928 1798 94 foul foul JJ 39928 1798 95 and and CC 39928 1798 96 impure impure VB 39928 1798 97 air air NN 39928 1798 98 for for IN 39928 1798 99 the the DT 39928 1798 100 greater great JJR 39928 1798 101 part part NN 39928 1798 102 of of IN 39928 1798 103 their -PRON- PRP$ 39928 1798 104 lives life NNS 39928 1798 105 . . . 39928 1799 1 The the DT 39928 1799 2 huge huge JJ 39928 1799 3 and and CC 39928 1799 4 ever ever RB 39928 1799 5 - - HYPH 39928 1799 6 increasing increase VBG 39928 1799 7 cities city NNS 39928 1799 8 , , , 39928 1799 9 the the DT 39928 1799 10 vast vast JJ 39928 1799 11 manufacturing manufacturing NN 39928 1799 12 towns town NNS 39928 1799 13 belching belch VBG 39928 1799 14 forth forth RP 39928 1799 15 smoke smoke NN 39928 1799 16 and and CC 39928 1799 17 poisonous poisonous JJ 39928 1799 18 gases gas NNS 39928 1799 19 , , , 39928 1799 20 with with IN 39928 1799 21 the the DT 39928 1799 22 crowded crowded JJ 39928 1799 23 dwellings dwelling NNS 39928 1799 24 , , , 39928 1799 25 where where WRB 39928 1799 26 millions million NNS 39928 1799 27 are be VBP 39928 1799 28 forced force VBN 39928 1799 29 to to TO 39928 1799 30 live live VB 39928 1799 31 under under IN 39928 1799 32 the the DT 39928 1799 33 most most RBS 39928 1799 34 terrible terrible JJ 39928 1799 35 insanitary insanitary JJ 39928 1799 36 conditions condition NNS 39928 1799 37 , , , 39928 1799 38 are be VBP 39928 1799 39 the the DT 39928 1799 40 witnesses witness NNS 39928 1799 41 to to IN 39928 1799 42 this this DT 39928 1799 43 criminal criminal JJ 39928 1799 44 apathy apathy NN 39928 1799 45 , , , 39928 1799 46 this this DT 39928 1799 47 incredible incredible JJ 39928 1799 48 recklessness recklessness NN 39928 1799 49 and and CC 39928 1799 50 inhumanity inhumanity NN 39928 1799 51 . . . 39928 1800 1 For for IN 39928 1800 2 the the DT 39928 1800 3 last last JJ 39928 1800 4 fifty fifty CD 39928 1800 5 years year NNS 39928 1800 6 and and CC 39928 1800 7 more more JJR 39928 1800 8 the the DT 39928 1800 9 inevitable inevitable JJ 39928 1800 10 results result NNS 39928 1800 11 of of IN 39928 1800 12 such such JJ 39928 1800 13 conditions condition NNS 39928 1800 14 have have VBP 39928 1800 15 been be VBN 39928 1800 16 fully fully RB 39928 1800 17 known know VBN 39928 1800 18 ; ; : 39928 1800 19 yet yet CC 39928 1800 20 to to IN 39928 1800 21 this this DT 39928 1800 22 day day NN 39928 1800 23 nothing nothing NN 39928 1800 24 of of IN 39928 1800 25 importance importance NN 39928 1800 26 _ _ NNP 39928 1800 27 has have VBZ 39928 1800 28 _ _ NNP 39928 1800 29 been be VBN 39928 1800 30 done do VBN 39928 1800 31 , , , 39928 1800 32 nothing nothing NN 39928 1800 33 is be VBZ 39928 1800 34 being be VBG 39928 1800 35 done do VBN 39928 1800 36 . . . 39928 1801 1 In in IN 39928 1801 2 this this DT 39928 1801 3 beautiful beautiful JJ 39928 1801 4 land land NN 39928 1801 5 there there EX 39928 1801 6 is be VBZ 39928 1801 7 ample ample JJ 39928 1801 8 space space NN 39928 1801 9 and and CC 39928 1801 10 a a DT 39928 1801 11 superabundance superabundance NN 39928 1801 12 of of IN 39928 1801 13 pure pure JJ 39928 1801 14 air air NN 39928 1801 15 for for IN 39928 1801 16 every every DT 39928 1801 17 individual individual NN 39928 1801 18 . . . 39928 1802 1 Yet yet CC 39928 1802 2 our -PRON- PRP$ 39928 1802 3 wealthy wealthy JJ 39928 1802 4 and and CC 39928 1802 5 our -PRON- PRP$ 39928 1802 6 learned learn VBN 39928 1802 7 classes class NNS 39928 1802 8 , , , 39928 1802 9 our -PRON- PRP$ 39928 1802 10 rulers ruler NNS 39928 1802 11 and and CC 39928 1802 12 law law NN 39928 1802 13 - - HYPH 39928 1802 14 makers maker NNS 39928 1802 15 , , , 39928 1802 16 our -PRON- PRP$ 39928 1802 17 religious religious JJ 39928 1802 18 teachers teacher NNS 39928 1802 19 and and CC 39928 1802 20 our -PRON- PRP$ 39928 1802 21 men man NNS 39928 1802 22 of of IN 39928 1802 23 science science NN 39928 1802 24 , , , 39928 1802 25 all all RB 39928 1802 26 alike alike RB 39928 1802 27 devote devote VBP 39928 1802 28 their -PRON- PRP$ 39928 1802 29 lives life NNS 39928 1802 30 and and CC 39928 1802 31 energies energy NNS 39928 1802 32 to to IN 39928 1802 33 anything anything NN 39928 1802 34 or or CC 39928 1802 35 everything everything NN 39928 1802 36 but but CC 39928 1802 37 this this DT 39928 1802 38 . . . 39928 1803 1 Yet yet CC 39928 1803 2 _ _ NNP 39928 1803 3 this this DT 39928 1803 4 _ _ NNP 39928 1803 5 is be VBZ 39928 1803 6 the the DT 39928 1803 7 one one CD 39928 1803 8 great great JJ 39928 1803 9 and and CC 39928 1803 10 primary primary JJ 39928 1803 11 essential essential NN 39928 1803 12 of of IN 39928 1803 13 a a DT 39928 1803 14 people people NNS 39928 1803 15 's 's POS 39928 1803 16 health health NN 39928 1803 17 and and CC 39928 1803 18 well well NN 39928 1803 19 - - HYPH 39928 1803 20 being being NN 39928 1803 21 , , , 39928 1803 22 to to TO 39928 1803 23 which which WDT 39928 1803 24 _ _ NNP 39928 1803 25 everything everything NN 39928 1803 26 _ _ NNP 39928 1803 27 should should MD 39928 1803 28 , , , 39928 1803 29 for for IN 39928 1803 30 the the DT 39928 1803 31 time time NN 39928 1803 32 , , , 39928 1803 33 be be VB 39928 1803 34 subordinate subordinate JJ 39928 1803 35 . . . 39928 1804 1 Till till IN 39928 1804 2 this this DT 39928 1804 3 is be VBZ 39928 1804 4 done do VBN 39928 1804 5 , , , 39928 1804 6 and and CC 39928 1804 7 done do VBN 39928 1804 8 thoroughly thoroughly RB 39928 1804 9 and and CC 39928 1804 10 completely completely RB 39928 1804 11 , , , 39928 1804 12 our -PRON- PRP$ 39928 1804 13 civilisation civilisation NN 39928 1804 14 is be VBZ 39928 1804 15 naught naught VBN 39928 1804 16 , , , 39928 1804 17 our -PRON- PRP$ 39928 1804 18 science science NN 39928 1804 19 is be VBZ 39928 1804 20 naught naught JJ 39928 1804 21 , , , 39928 1804 22 our -PRON- PRP$ 39928 1804 23 religion religion NN 39928 1804 24 is be VBZ 39928 1804 25 naught naught JJ 39928 1804 26 , , , 39928 1804 27 and and CC 39928 1804 28 our -PRON- PRP$ 39928 1804 29 politics politic NNS 39928 1804 30 are be VBP 39928 1804 31 less less JJR 39928 1804 32 than than IN 39928 1804 33 naught naught JJ 39928 1804 34 -- -- : 39928 1804 35 are be VBP 39928 1804 36 utterly utterly RB 39928 1804 37 despicable despicable JJ 39928 1804 38 ; ; : 39928 1804 39 are be VBP 39928 1804 40 below below IN 39928 1804 41 contempt contempt NN 39928 1804 42 . . . 39928 1805 1 It -PRON- PRP 39928 1805 2 has have VBZ 39928 1805 3 been be VBN 39928 1805 4 the the DT 39928 1805 5 consideration consideration NN 39928 1805 6 of of IN 39928 1805 7 our -PRON- PRP$ 39928 1805 8 wonderful wonderful JJ 39928 1805 9 atmosphere atmosphere NN 39928 1805 10 in in IN 39928 1805 11 its -PRON- PRP$ 39928 1805 12 various various JJ 39928 1805 13 relations relation NNS 39928 1805 14 to to IN 39928 1805 15 human human JJ 39928 1805 16 life life NN 39928 1805 17 , , , 39928 1805 18 and and CC 39928 1805 19 to to IN 39928 1805 20 all all DT 39928 1805 21 life life NN 39928 1805 22 , , , 39928 1805 23 which which WDT 39928 1805 24 has have VBZ 39928 1805 25 compelled compel VBN 39928 1805 26 me -PRON- PRP 39928 1805 27 to to IN 39928 1805 28 this this DT 39928 1805 29 cry cry NN 39928 1805 30 for for IN 39928 1805 31 the the DT 39928 1805 32 children child NNS 39928 1805 33 and and CC 39928 1805 34 for for IN 39928 1805 35 outraged outraged JJ 39928 1805 36 humanity humanity NN 39928 1805 37 . . . 39928 1806 1 Will Will MD 39928 1806 2 no no DT 39928 1806 3 body body NN 39928 1806 4 of of IN 39928 1806 5 humane humane JJ 39928 1806 6 men man NNS 39928 1806 7 and and CC 39928 1806 8 women woman NNS 39928 1806 9 band band VBP 39928 1806 10 themselves -PRON- PRP 39928 1806 11 together together RB 39928 1806 12 , , , 39928 1806 13 and and CC 39928 1806 14 take take VB 39928 1806 15 no no DT 39928 1806 16 rest rest NN 39928 1806 17 till till IN 39928 1806 18 this this DT 39928 1806 19 crying cry VBG 39928 1806 20 evil evil NN 39928 1806 21 is be VBZ 39928 1806 22 abolished abolish VBN 39928 1806 23 , , , 39928 1806 24 and and CC 39928 1806 25 with with IN 39928 1806 26 it -PRON- PRP 39928 1806 27 nine nine CD 39928 1806 28 - - HYPH 39928 1806 29 tenths tenth NNS 39928 1806 30 of of IN 39928 1806 31 all all PDT 39928 1806 32 the the DT 39928 1806 33 other other JJ 39928 1806 34 evils evil NNS 39928 1806 35 that that WDT 39928 1806 36 now now RB 39928 1806 37 afflict afflict VBP 39928 1806 38 us -PRON- PRP 39928 1806 39 ? ? . 39928 1807 1 Let let VB 39928 1807 2 _ _ NNP 39928 1807 3 everything everything NN 39928 1807 4 _ _ NNP 39928 1807 5 give give VBP 39928 1807 6 way way NN 39928 1807 7 to to IN 39928 1807 8 this this DT 39928 1807 9 . . . 39928 1808 1 As as IN 39928 1808 2 in in IN 39928 1808 3 a a DT 39928 1808 4 war war NN 39928 1808 5 of of IN 39928 1808 6 conquest conquest NN 39928 1808 7 or or CC 39928 1808 8 aggression aggression NN 39928 1808 9 nothing nothing NN 39928 1808 10 is be VBZ 39928 1808 11 allowed allow VBN 39928 1808 12 to to TO 39928 1808 13 stand stand VB 39928 1808 14 in in IN 39928 1808 15 the the DT 39928 1808 16 way way NN 39928 1808 17 of of IN 39928 1808 18 victory victory NN 39928 1808 19 , , , 39928 1808 20 and and CC 39928 1808 21 all all DT 39928 1808 22 private private JJ 39928 1808 23 rights right NNS 39928 1808 24 are be VBP 39928 1808 25 subordinated subordinate VBN 39928 1808 26 to to IN 39928 1808 27 the the DT 39928 1808 28 alleged allege VBN 39928 1808 29 public public JJ 39928 1808 30 weal weal NN 39928 1808 31 , , , 39928 1808 32 so so CC 39928 1808 33 , , , 39928 1808 34 in in IN 39928 1808 35 this this DT 39928 1808 36 war war NN 39928 1808 37 against against IN 39928 1808 38 filth filth NN 39928 1808 39 , , , 39928 1808 40 disease disease NN 39928 1808 41 , , , 39928 1808 42 and and CC 39928 1808 43 misery misery NN 39928 1808 44 let let VBD 39928 1808 45 nothing nothing NN 39928 1808 46 stand stand VB 39928 1808 47 in in IN 39928 1808 48 the the DT 39928 1808 49 way way NN 39928 1808 50 -- -- : 39928 1808 51 neither neither CC 39928 1808 52 private private JJ 39928 1808 53 interests interest NNS 39928 1808 54 nor nor CC 39928 1808 55 vested vest VBN 39928 1808 56 rights right NNS 39928 1808 57 -- -- : 39928 1808 58 and and CC 39928 1808 59 we -PRON- PRP 39928 1808 60 shall shall MD 39928 1808 61 certainly certainly RB 39928 1808 62 conquer conquer VB 39928 1808 63 . . . 39928 1809 1 This this DT 39928 1809 2 is be VBZ 39928 1809 3 the the DT 39928 1809 4 gospel gospel NN 39928 1809 5 that that WDT 39928 1809 6 should should MD 39928 1809 7 be be VB 39928 1809 8 preached preach VBN 39928 1809 9 , , , 39928 1809 10 in in IN 39928 1809 11 season season NN 39928 1809 12 and and CC 39928 1809 13 out out IN 39928 1809 14 of of IN 39928 1809 15 season season NN 39928 1809 16 , , , 39928 1809 17 till till IN 39928 1809 18 the the DT 39928 1809 19 nation nation NN 39928 1809 20 listens listen VBZ 39928 1809 21 and and CC 39928 1809 22 is be VBZ 39928 1809 23 convinced convince VBN 39928 1809 24 . . . 39928 1810 1 Let let VB 39928 1810 2 this this DT 39928 1810 3 be be VB 39928 1810 4 our -PRON- PRP$ 39928 1810 5 claim claim NN 39928 1810 6 : : : 39928 1810 7 Pure pure JJ 39928 1810 8 air air NN 39928 1810 9 and and CC 39928 1810 10 pure pure JJ 39928 1810 11 water water NN 39928 1810 12 for for IN 39928 1810 13 every every DT 39928 1810 14 inhabitant inhabitant NN 39928 1810 15 of of IN 39928 1810 16 the the DT 39928 1810 17 British british JJ 39928 1810 18 Isles Isles NNPS 39928 1810 19 . . . 39928 1811 1 Vote vote NN 39928 1811 2 for for IN 39928 1811 3 no no DT 39928 1811 4 one one NN 39928 1811 5 who who WP 39928 1811 6 says say VBZ 39928 1811 7 ' ' `` 39928 1811 8 It -PRON- PRP 39928 1811 9 ca can MD 39928 1811 10 n't not RB 39928 1811 11 be be VB 39928 1811 12 done do VBN 39928 1811 13 . . . 39928 1811 14 ' ' '' 39928 1812 1 Vote vote VB 39928 1812 2 only only RB 39928 1812 3 for for IN 39928 1812 4 those those DT 39928 1812 5 who who WP 39928 1812 6 declare declare VBP 39928 1812 7 ' ' '' 39928 1812 8 It -PRON- PRP 39928 1812 9 shall shall MD 39928 1812 10 be be VB 39928 1812 11 done do VBN 39928 1812 12 . . . 39928 1812 13 ' ' '' 39928 1813 1 It -PRON- PRP 39928 1813 2 may may MD 39928 1813 3 take take VB 39928 1813 4 five five CD 39928 1813 5 or or CC 39928 1813 6 ten ten CD 39928 1813 7 or or CC 39928 1813 8 twenty twenty CD 39928 1813 9 years year NNS 39928 1813 10 , , , 39928 1813 11 but but CC 39928 1813 12 all all DT 39928 1813 13 petty petty JJ 39928 1813 14 ameliorations amelioration NNS 39928 1813 15 , , , 39928 1813 16 all all DT 39928 1813 17 piecemeal piecemeal JJ 39928 1813 18 reforms reform NNS 39928 1813 19 , , , 39928 1813 20 must must MD 39928 1813 21 wait wait VB 39928 1813 22 till till IN 39928 1813 23 this this DT 39928 1813 24 fundamental fundamental JJ 39928 1813 25 reform reform NN 39928 1813 26 is be VBZ 39928 1813 27 effected effect VBN 39928 1813 28 . . . 39928 1814 1 Then then RB 39928 1814 2 , , , 39928 1814 3 when when WRB 39928 1814 4 we -PRON- PRP 39928 1814 5 have have VBP 39928 1814 6 enabled enable VBN 39928 1814 7 our -PRON- PRP$ 39928 1814 8 people people NNS 39928 1814 9 to to TO 39928 1814 10 breathe breathe VB 39928 1814 11 pure pure JJ 39928 1814 12 air air NN 39928 1814 13 , , , 39928 1814 14 and and CC 39928 1814 15 drink drink VB 39928 1814 16 pure pure JJ 39928 1814 17 water water NN 39928 1814 18 , , , 39928 1814 19 and and CC 39928 1814 20 live live VB 39928 1814 21 upon upon IN 39928 1814 22 simple simple JJ 39928 1814 23 food food NN 39928 1814 24 , , , 39928 1814 25 and and CC 39928 1814 26 work work VB 39928 1814 27 and and CC 39928 1814 28 play play VB 39928 1814 29 and and CC 39928 1814 30 rest rest VB 39928 1814 31 under under IN 39928 1814 32 healthy healthy JJ 39928 1814 33 conditions condition NNS 39928 1814 34 , , , 39928 1814 35 they -PRON- PRP 39928 1814 36 will will MD 39928 1814 37 be be VB 39928 1814 38 in in IN 39928 1814 39 a a DT 39928 1814 40 position position NN 39928 1814 41 to to TO 39928 1814 42 decide decide VB 39928 1814 43 ( ( -LRB- 39928 1814 44 for for IN 39928 1814 45 the the DT 39928 1814 46 first first JJ 39928 1814 47 time time NN 39928 1814 48 ) ) -RRB- 39928 1814 49 what what WDT 39928 1814 50 other other JJ 39928 1814 51 reforms reform NNS 39928 1814 52 are be VBP 39928 1814 53 really really RB 39928 1814 54 needed need VBN 39928 1814 55 . . . 39928 1815 1 Remember remember VB 39928 1815 2 ! ! . 39928 1816 1 We -PRON- PRP 39928 1816 2 claim claim VBP 39928 1816 3 to to TO 39928 1816 4 be be VB 39928 1816 5 a a DT 39928 1816 6 people people NNS 39928 1816 7 of of IN 39928 1816 8 high high JJ 39928 1816 9 civilisation civilisation NN 39928 1816 10 , , , 39928 1816 11 of of IN 39928 1816 12 advanced advanced JJ 39928 1816 13 science science NN 39928 1816 14 , , , 39928 1816 15 of of IN 39928 1816 16 great great JJ 39928 1816 17 humanity humanity NN 39928 1816 18 , , , 39928 1816 19 of of IN 39928 1816 20 enormous enormous JJ 39928 1816 21 wealth wealth NN 39928 1816 22 ! ! . 39928 1817 1 For for IN 39928 1817 2 very very JJ 39928 1817 3 shame shame NN 39928 1817 4 do do VBP 39928 1817 5 not not RB 39928 1817 6 let let VB 39928 1817 7 us -PRON- PRP 39928 1817 8 say say VB 39928 1817 9 ' ' '' 39928 1817 10 We -PRON- PRP 39928 1817 11 _ _ NNP 39928 1817 12 can can MD 39928 1817 13 not not RB 39928 1817 14 _ _ VB 39928 1817 15 arrange arrange NN 39928 1817 16 matters matter NNS 39928 1817 17 so so IN 39928 1817 18 that that IN 39928 1817 19 our -PRON- PRP$ 39928 1817 20 people people NNS 39928 1817 21 may may MD 39928 1817 22 all all RB 39928 1817 23 breathe breathe VB 39928 1817 24 unpolluted unpolluted JJ 39928 1817 25 , , , 39928 1817 26 unpoisoned unpoisoned JJ 39928 1817 27 air air NN 39928 1817 28 ! ! . 39928 1817 29 ' ' '' 39928 1818 1 CHAPTER CHAPTER NNP 39928 1818 2 XIV XIV NNP 39928 1818 3 THE the DT 39928 1818 4 EARTH EARTH NNP 39928 1818 5 IS be VBZ 39928 1818 6 THE the DT 39928 1818 7 ONLY ONLY NNP 39928 1818 8 HABITABLE habitable NN 39928 1818 9 PLANET PLANET NNS 39928 1818 10 IN in IN 39928 1818 11 THE the DT 39928 1818 12 SOLAR solar NN 39928 1818 13 SYSTEM system NN 39928 1818 14 Having have VBG 39928 1818 15 shown show VBN 39928 1818 16 in in IN 39928 1818 17 the the DT 39928 1818 18 last last JJ 39928 1818 19 three three CD 39928 1818 20 chapters chapter NNS 39928 1818 21 how how WRB 39928 1818 22 numerous numerous JJ 39928 1818 23 and and CC 39928 1818 24 how how WRB 39928 1818 25 complex complex JJ 39928 1818 26 are be VBP 39928 1818 27 the the DT 39928 1818 28 conditions condition NNS 39928 1818 29 which which WDT 39928 1818 30 alone alone RB 39928 1818 31 render render VBP 39928 1818 32 life life NN 39928 1818 33 possible possible JJ 39928 1818 34 on on IN 39928 1818 35 our -PRON- PRP$ 39928 1818 36 earth earth NN 39928 1818 37 , , , 39928 1818 38 how how WRB 39928 1818 39 nicely nicely RB 39928 1818 40 balanced balanced JJ 39928 1818 41 are be VBP 39928 1818 42 opposing oppose VBG 39928 1818 43 forces force NNS 39928 1818 44 , , , 39928 1818 45 and and CC 39928 1818 46 how how WRB 39928 1818 47 curious curious JJ 39928 1818 48 and and CC 39928 1818 49 delicate delicate JJ 39928 1818 50 are be VBP 39928 1818 51 the the DT 39928 1818 52 means mean NNS 39928 1818 53 by by IN 39928 1818 54 which which WDT 39928 1818 55 the the DT 39928 1818 56 essential essential JJ 39928 1818 57 combinations combination NNS 39928 1818 58 of of IN 39928 1818 59 the the DT 39928 1818 60 elements element NNS 39928 1818 61 are be VBP 39928 1818 62 brought bring VBN 39928 1818 63 about about RP 39928 1818 64 , , , 39928 1818 65 it -PRON- PRP 39928 1818 66 will will MD 39928 1818 67 be be VB 39928 1818 68 a a DT 39928 1818 69 comparatively comparatively RB 39928 1818 70 easy easy JJ 39928 1818 71 task task NN 39928 1818 72 to to TO 39928 1818 73 show show VB 39928 1818 74 how how WRB 39928 1818 75 totally totally RB 39928 1818 76 unfitted unfitted JJ 39928 1818 77 are be VBP 39928 1818 78 all all PDT 39928 1818 79 the the DT 39928 1818 80 other other JJ 39928 1818 81 planets planet NNS 39928 1818 82 either either CC 39928 1818 83 to to TO 39928 1818 84 develop develop VB 39928 1818 85 or or CC 39928 1818 86 to to TO 39928 1818 87 preserve preserve VB 39928 1818 88 the the DT 39928 1818 89 higher high JJR 39928 1818 90 forms form NNS 39928 1818 91 of of IN 39928 1818 92 life life NN 39928 1818 93 , , , 39928 1818 94 and and CC 39928 1818 95 , , , 39928 1818 96 in in IN 39928 1818 97 most most JJS 39928 1818 98 cases case NNS 39928 1818 99 , , , 39928 1818 100 any any DT 39928 1818 101 forms form NNS 39928 1818 102 above above IN 39928 1818 103 the the DT 39928 1818 104 lowest low JJS 39928 1818 105 and and CC 39928 1818 106 most most RBS 39928 1818 107 rudimentary rudimentary JJ 39928 1818 108 . . . 39928 1819 1 In in IN 39928 1819 2 order order NN 39928 1819 3 to to TO 39928 1819 4 make make VB 39928 1819 5 this this DT 39928 1819 6 clear clear JJ 39928 1819 7 we -PRON- PRP 39928 1819 8 will will MD 39928 1819 9 take take VB 39928 1819 10 the the DT 39928 1819 11 most most RBS 39928 1819 12 important important JJ 39928 1819 13 of of IN 39928 1819 14 the the DT 39928 1819 15 conditions condition NNS 39928 1819 16 in in IN 39928 1819 17 order order NN 39928 1819 18 , , , 39928 1819 19 and and CC 39928 1819 20 see see VB 39928 1819 21 how how WRB 39928 1819 22 the the DT 39928 1819 23 various various JJ 39928 1819 24 planets planet NNS 39928 1819 25 fulfil fulfil VBP 39928 1819 26 them -PRON- PRP 39928 1819 27 . . . 39928 1820 1 MASS MASS NNP 39928 1820 2 OF of IN 39928 1820 3 A a DT 39928 1820 4 PLANET PLANET NNP 39928 1820 5 AND and CC 39928 1820 6 ITS its PRP$ 39928 1820 7 ATMOSPHERE ATMOSPHERE NNP 39928 1820 8 The the DT 39928 1820 9 height height NN 39928 1820 10 and and CC 39928 1820 11 density density NN 39928 1820 12 of of IN 39928 1820 13 the the DT 39928 1820 14 atmosphere atmosphere NN 39928 1820 15 of of IN 39928 1820 16 a a DT 39928 1820 17 planet planet NN 39928 1820 18 is be VBZ 39928 1820 19 important important JJ 39928 1820 20 as as IN 39928 1820 21 regards regard VBZ 39928 1820 22 life life NN 39928 1820 23 in in IN 39928 1820 24 several several JJ 39928 1820 25 ways way NNS 39928 1820 26 . . . 39928 1821 1 On on IN 39928 1821 2 its -PRON- PRP$ 39928 1821 3 density density NN 39928 1821 4 depends depend VBZ 39928 1821 5 its -PRON- PRP$ 39928 1821 6 power power NN 39928 1821 7 of of IN 39928 1821 8 carrying carry VBG 39928 1821 9 moisture moisture NN 39928 1821 10 ; ; : 39928 1821 11 of of IN 39928 1821 12 holding hold VBG 39928 1821 13 a a DT 39928 1821 14 sufficient sufficient JJ 39928 1821 15 supply supply NN 39928 1821 16 of of IN 39928 1821 17 dust dust NN 39928 1821 18 - - HYPH 39928 1821 19 particles particle NNS 39928 1821 20 for for IN 39928 1821 21 the the DT 39928 1821 22 formation formation NN 39928 1821 23 of of IN 39928 1821 24 clouds cloud NNS 39928 1821 25 ; ; : 39928 1821 26 of of IN 39928 1821 27 carrying carry VBG 39928 1821 28 ultra ultra JJ 39928 1821 29 - - JJ 39928 1821 30 microscopic microscopic JJ 39928 1821 31 particles particle NNS 39928 1821 32 to to IN 39928 1821 33 such such PDT 39928 1821 34 a a DT 39928 1821 35 height height NN 39928 1821 36 and and CC 39928 1821 37 in in IN 39928 1821 38 such such JJ 39928 1821 39 quantity quantity NN 39928 1821 40 as as IN 39928 1821 41 to to TO 39928 1821 42 diffuse diffuse VB 39928 1821 43 the the DT 39928 1821 44 light light NN 39928 1821 45 of of IN 39928 1821 46 the the DT 39928 1821 47 sun sun NN 39928 1821 48 by by IN 39928 1821 49 reflection reflection NN 39928 1821 50 from from IN 39928 1821 51 the the DT 39928 1821 52 whole whole JJ 39928 1821 53 sky sky NN 39928 1821 54 ; ; : 39928 1821 55 of of IN 39928 1821 56 raising raise VBG 39928 1821 57 waves wave NNS 39928 1821 58 in in IN 39928 1821 59 the the DT 39928 1821 60 ocean ocean NN 39928 1821 61 and and CC 39928 1821 62 thus thus RB 39928 1821 63 aerating aerate VBG 39928 1821 64 its -PRON- PRP$ 39928 1821 65 waters water NNS 39928 1821 66 , , , 39928 1821 67 and and CC 39928 1821 68 of of IN 39928 1821 69 producing produce VBG 39928 1821 70 the the DT 39928 1821 71 ocean ocean NN 39928 1821 72 currents current NNS 39928 1821 73 which which WDT 39928 1821 74 so so RB 39928 1821 75 greatly greatly RB 39928 1821 76 equalise equalise VBP 39928 1821 77 temperature temperature NN 39928 1821 78 . . . 39928 1822 1 Now now RB 39928 1822 2 this this DT 39928 1822 3 density density NN 39928 1822 4 depends depend VBZ 39928 1822 5 on on IN 39928 1822 6 two two CD 39928 1822 7 factors factor NNS 39928 1822 8 : : : 39928 1822 9 the the DT 39928 1822 10 mass mass NN 39928 1822 11 of of IN 39928 1822 12 the the DT 39928 1822 13 planet planet NN 39928 1822 14 and and CC 39928 1822 15 the the DT 39928 1822 16 quantity quantity NN 39928 1822 17 of of IN 39928 1822 18 the the DT 39928 1822 19 atmospheric atmospheric JJ 39928 1822 20 gases gas NNS 39928 1822 21 . . . 39928 1823 1 But but CC 39928 1823 2 there there EX 39928 1823 3 is be VBZ 39928 1823 4 good good JJ 39928 1823 5 reason reason NN 39928 1823 6 to to TO 39928 1823 7 think think VB 39928 1823 8 that that IN 39928 1823 9 the the DT 39928 1823 10 latter latter JJ 39928 1823 11 depends depend VBZ 39928 1823 12 directly directly RB 39928 1823 13 upon upon IN 39928 1823 14 the the DT 39928 1823 15 former former JJ 39928 1823 16 , , , 39928 1823 17 because because IN 39928 1823 18 it -PRON- PRP 39928 1823 19 is be VBZ 39928 1823 20 only only RB 39928 1823 21 when when WRB 39928 1823 22 a a DT 39928 1823 23 certain certain JJ 39928 1823 24 mass mass NN 39928 1823 25 is be VBZ 39928 1823 26 attained attain VBN 39928 1823 27 that that IN 39928 1823 28 any any DT 39928 1823 29 of of IN 39928 1823 30 the the DT 39928 1823 31 lighter lighter RBR 39928 1823 32 permanent permanent JJ 39928 1823 33 gases gas NNS 39928 1823 34 can can MD 39928 1823 35 be be VB 39928 1823 36 held hold VBN 39928 1823 37 on on IN 39928 1823 38 the the DT 39928 1823 39 surface surface NN 39928 1823 40 of of IN 39928 1823 41 a a DT 39928 1823 42 planet planet NN 39928 1823 43 . . . 39928 1824 1 Thus thus RB 39928 1824 2 , , , 39928 1824 3 according accord VBG 39928 1824 4 to to IN 39928 1824 5 Dr. Dr. NNP 39928 1824 6 G. G. NNP 39928 1824 7 Johnstone Johnstone NNP 39928 1824 8 Stoney Stoney NNP 39928 1824 9 , , , 39928 1824 10 who who WP 39928 1824 11 has have VBZ 39928 1824 12 specially specially RB 39928 1824 13 studied study VBN 39928 1824 14 this this DT 39928 1824 15 subject subject NN 39928 1824 16 , , , 39928 1824 17 the the DT 39928 1824 18 moon moon NN 39928 1824 19 can can MD 39928 1824 20 not not RB 39928 1824 21 retain retain VB 39928 1824 22 even even RB 39928 1824 23 such such PDT 39928 1824 24 a a DT 39928 1824 25 heavy heavy JJ 39928 1824 26 gas gas NN 39928 1824 27 as as IN 39928 1824 28 carbonic carbonic JJ 39928 1824 29 acid acid NN 39928 1824 30 , , , 39928 1824 31 or or CC 39928 1824 32 the the DT 39928 1824 33 still still RB 39928 1824 34 heavier heavy JJR 39928 1824 35 carbon carbon NN 39928 1824 36 disulphide disulphide NN 39928 1824 37 ; ; : 39928 1824 38 while while IN 39928 1824 39 no no DT 39928 1824 40 particle particle NN 39928 1824 41 of of IN 39928 1824 42 oxygen oxygen NN 39928 1824 43 , , , 39928 1824 44 nitrogen nitrogen NN 39928 1824 45 , , , 39928 1824 46 or or CC 39928 1824 47 water water NN 39928 1824 48 - - HYPH 39928 1824 49 vapour vapour NN 39928 1824 50 can can MD 39928 1824 51 possibly possibly RB 39928 1824 52 remain remain VB 39928 1824 53 on on IN 39928 1824 54 it -PRON- PRP 39928 1824 55 , , , 39928 1824 56 owing owe VBG 39928 1824 57 to to IN 39928 1824 58 the the DT 39928 1824 59 fact fact NN 39928 1824 60 of of IN 39928 1824 61 its -PRON- PRP$ 39928 1824 62 mass mass NN 39928 1824 63 being be VBG 39928 1824 64 only only RB 39928 1824 65 about about RB 39928 1824 66 one one CD 39928 1824 67 - - HYPH 39928 1824 68 eightieth eightieth NN 39928 1824 69 that that DT 39928 1824 70 of of IN 39928 1824 71 the the DT 39928 1824 72 earth earth NN 39928 1824 73 . . . 39928 1825 1 It -PRON- PRP 39928 1825 2 is be VBZ 39928 1825 3 believed believe VBN 39928 1825 4 that that IN 39928 1825 5 there there EX 39928 1825 6 are be VBP 39928 1825 7 considerable considerable JJ 39928 1825 8 quantities quantity NNS 39928 1825 9 of of IN 39928 1825 10 gases gas NNS 39928 1825 11 in in IN 39928 1825 12 the the DT 39928 1825 13 stellar stellar JJ 39928 1825 14 spaces space NNS 39928 1825 15 , , , 39928 1825 16 and and CC 39928 1825 17 probably probably RB 39928 1825 18 also also RB 39928 1825 19 within within IN 39928 1825 20 the the DT 39928 1825 21 solar solar JJ 39928 1825 22 system system NN 39928 1825 23 , , , 39928 1825 24 but but CC 39928 1825 25 perhaps perhaps RB 39928 1825 26 in in IN 39928 1825 27 the the DT 39928 1825 28 liquid liquid NN 39928 1825 29 or or CC 39928 1825 30 solid solid JJ 39928 1825 31 form form NN 39928 1825 32 . . . 39928 1826 1 In in IN 39928 1826 2 that that DT 39928 1826 3 state state NN 39928 1826 4 they -PRON- PRP 39928 1826 5 might may MD 39928 1826 6 be be VB 39928 1826 7 attracted attract VBN 39928 1826 8 by by IN 39928 1826 9 any any DT 39928 1826 10 small small JJ 39928 1826 11 mass mass NN 39928 1826 12 such such JJ 39928 1826 13 as as IN 39928 1826 14 the the DT 39928 1826 15 moon moon NN 39928 1826 16 , , , 39928 1826 17 but but CC 39928 1826 18 the the DT 39928 1826 19 heat heat NN 39928 1826 20 of of IN 39928 1826 21 its -PRON- PRP$ 39928 1826 22 surface surface NN 39928 1826 23 when when WRB 39928 1826 24 exposed expose VBN 39928 1826 25 to to IN 39928 1826 26 the the DT 39928 1826 27 solar solar JJ 39928 1826 28 rays ray NNS 39928 1826 29 would would MD 39928 1826 30 quickly quickly RB 39928 1826 31 restore restore VB 39928 1826 32 them -PRON- PRP 39928 1826 33 to to IN 39928 1826 34 the the DT 39928 1826 35 gaseous gaseous JJ 39928 1826 36 condition condition NN 39928 1826 37 , , , 39928 1826 38 when when WRB 39928 1826 39 they -PRON- PRP 39928 1826 40 would would MD 39928 1826 41 at at IN 39928 1826 42 once once RB 39928 1826 43 escape escape VB 39928 1826 44 . . . 39928 1827 1 It -PRON- PRP 39928 1827 2 is be VBZ 39928 1827 3 only only RB 39928 1827 4 when when WRB 39928 1827 5 a a DT 39928 1827 6 planet planet NN 39928 1827 7 attains attain VBZ 39928 1827 8 a a DT 39928 1827 9 mass mass NN 39928 1827 10 at at RB 39928 1827 11 least least JJS 39928 1827 12 a a DT 39928 1827 13 quarter quarter NN 39928 1827 14 that that IN 39928 1827 15 of of IN 39928 1827 16 the the DT 39928 1827 17 earth earth NN 39928 1827 18 that that WDT 39928 1827 19 it -PRON- PRP 39928 1827 20 is be VBZ 39928 1827 21 capable capable JJ 39928 1827 22 of of IN 39928 1827 23 retaining retain VBG 39928 1827 24 water water NN 39928 1827 25 - - HYPH 39928 1827 26 vapour vapour NN 39928 1827 27 , , , 39928 1827 28 one one CD 39928 1827 29 of of IN 39928 1827 30 the the DT 39928 1827 31 most most RBS 39928 1827 32 essential essential JJ 39928 1827 33 of of IN 39928 1827 34 the the DT 39928 1827 35 gases gas NNS 39928 1827 36 ; ; : 39928 1827 37 but but CC 39928 1827 38 with with IN 39928 1827 39 so so RB 39928 1827 40 small small JJ 39928 1827 41 a a DT 39928 1827 42 mass mass NN 39928 1827 43 as as IN 39928 1827 44 this this DT 39928 1827 45 , , , 39928 1827 46 its -PRON- PRP$ 39928 1827 47 whole whole JJ 39928 1827 48 atmosphere atmosphere NN 39928 1827 49 would would MD 39928 1827 50 probably probably RB 39928 1827 51 be be VB 39928 1827 52 so so RB 39928 1827 53 limited limited JJ 39928 1827 54 in in IN 39928 1827 55 amount amount NN 39928 1827 56 and and CC 39928 1827 57 so so RB 39928 1827 58 rare rare JJ 39928 1827 59 at at IN 39928 1827 60 the the DT 39928 1827 61 planet planet NN 39928 1827 62 's 's POS 39928 1827 63 surface surface NN 39928 1827 64 that that IN 39928 1827 65 it -PRON- PRP 39928 1827 66 would would MD 39928 1827 67 be be VB 39928 1827 68 quite quite RB 39928 1827 69 unable unable JJ 39928 1827 70 to to TO 39928 1827 71 fulfil fulfil VB 39928 1827 72 the the DT 39928 1827 73 various various JJ 39928 1827 74 purposes purpose NNS 39928 1827 75 for for IN 39928 1827 76 which which WDT 39928 1827 77 an an DT 39928 1827 78 atmosphere atmosphere NN 39928 1827 79 is be VBZ 39928 1827 80 required require VBN 39928 1827 81 in in IN 39928 1827 82 order order NN 39928 1827 83 to to TO 39928 1827 84 support support VB 39928 1827 85 life life NN 39928 1827 86 . . . 39928 1828 1 For for IN 39928 1828 2 their -PRON- PRP$ 39928 1828 3 adequate adequate JJ 39928 1828 4 fulfilment fulfilment NN 39928 1828 5 the the DT 39928 1828 6 mass mass NN 39928 1828 7 of of IN 39928 1828 8 a a DT 39928 1828 9 planet planet NN 39928 1828 10 can can MD 39928 1828 11 not not RB 39928 1828 12 be be VB 39928 1828 13 much much RB 39928 1828 14 less less JJR 39928 1828 15 than than IN 39928 1828 16 that that DT 39928 1828 17 of of IN 39928 1828 18 the the DT 39928 1828 19 earth earth NN 39928 1828 20 . . . 39928 1829 1 Here here RB 39928 1829 2 we -PRON- PRP 39928 1829 3 come come VBP 39928 1829 4 to to IN 39928 1829 5 one one CD 39928 1829 6 of of IN 39928 1829 7 those those DT 39928 1829 8 nice nice JJ 39928 1829 9 adjustments adjustment NNS 39928 1829 10 of of IN 39928 1829 11 which which WDT 39928 1829 12 so so RB 39928 1829 13 many many JJ 39928 1829 14 have have VBP 39928 1829 15 been be VBN 39928 1829 16 already already RB 39928 1829 17 pointed point VBN 39928 1829 18 out out RP 39928 1829 19 . . . 39928 1830 1 Dr. Dr. NNP 39928 1830 2 Johnstone Johnstone NNP 39928 1830 3 Stoney Stoney NNP 39928 1830 4 arrives arrive VBZ 39928 1830 5 at at IN 39928 1830 6 the the DT 39928 1830 7 conclusion conclusion NN 39928 1830 8 that that IN 39928 1830 9 hydrogen hydrogen NN 39928 1830 10 escapes escape NNS 39928 1830 11 from from IN 39928 1830 12 the the DT 39928 1830 13 earth earth NN 39928 1830 14 . . . 39928 1831 1 It -PRON- PRP 39928 1831 2 is be VBZ 39928 1831 3 continually continually RB 39928 1831 4 produced produce VBN 39928 1831 5 in in IN 39928 1831 6 small small JJ 39928 1831 7 quantities quantity NNS 39928 1831 8 by by IN 39928 1831 9 submarine submarine NN 39928 1831 10 volcanoes volcano NNS 39928 1831 11 , , , 39928 1831 12 by by IN 39928 1831 13 fissures fissure NNS 39928 1831 14 in in IN 39928 1831 15 volcanic volcanic JJ 39928 1831 16 regions region NNS 39928 1831 17 , , , 39928 1831 18 from from IN 39928 1831 19 decaying decay VBG 39928 1831 20 vegetation vegetation NN 39928 1831 21 , , , 39928 1831 22 and and CC 39928 1831 23 from from IN 39928 1831 24 some some DT 39928 1831 25 other other JJ 39928 1831 26 sources source NNS 39928 1831 27 ; ; : 39928 1831 28 yet yet CC 39928 1831 29 , , , 39928 1831 30 though though IN 39928 1831 31 sometimes sometimes RB 39928 1831 32 found find VBN 39928 1831 33 in in IN 39928 1831 34 minute minute JJ 39928 1831 35 quantities quantity NNS 39928 1831 36 , , , 39928 1831 37 it -PRON- PRP 39928 1831 38 forms form VBZ 39928 1831 39 no no DT 39928 1831 40 regular regular JJ 39928 1831 41 constituent constituent NN 39928 1831 42 of of IN 39928 1831 43 our -PRON- PRP$ 39928 1831 44 atmosphere atmosphere NN 39928 1831 45 . . . 39928 1832 1 [ [ -LRB- 39928 1832 2 18 18 CD 39928 1832 3 ] ] -RRB- 39928 1832 4 The the DT 39928 1832 5 quantity quantity NN 39928 1832 6 of of IN 39928 1832 7 hydrogen hydrogen NN 39928 1832 8 combined combine VBN 39928 1832 9 with with IN 39928 1832 10 oxygen oxygen NN 39928 1832 11 to to TO 39928 1832 12 form form VB 39928 1832 13 the the DT 39928 1832 14 mass mass NN 39928 1832 15 of of IN 39928 1832 16 water water NN 39928 1832 17 in in IN 39928 1832 18 our -PRON- PRP$ 39928 1832 19 vast vast JJ 39928 1832 20 and and CC 39928 1832 21 deep deep JJ 39928 1832 22 oceans ocean NNS 39928 1832 23 is be VBZ 39928 1832 24 enormous enormous JJ 39928 1832 25 . . . 39928 1833 1 Yet yet CC 39928 1833 2 if if IN 39928 1833 3 it -PRON- PRP 39928 1833 4 had have VBD 39928 1833 5 been be VBN 39928 1833 6 only only RB 39928 1833 7 one one CD 39928 1833 8 - - HYPH 39928 1833 9 tenth tenth NN 39928 1833 10 more more JJR 39928 1833 11 than than IN 39928 1833 12 it -PRON- PRP 39928 1833 13 actually actually RB 39928 1833 14 is be VBZ 39928 1833 15 , , , 39928 1833 16 the the DT 39928 1833 17 present present JJ 39928 1833 18 land land NN 39928 1833 19 - - HYPH 39928 1833 20 surface surface NN 39928 1833 21 would would MD 39928 1833 22 have have VB 39928 1833 23 been be VBN 39928 1833 24 almost almost RB 39928 1833 25 all all RB 39928 1833 26 submerged submerge VBN 39928 1833 27 . . . 39928 1834 1 How how WRB 39928 1834 2 the the DT 39928 1834 3 adjustments adjustment NNS 39928 1834 4 occurred occur VBD 39928 1834 5 so so IN 39928 1834 6 that that IN 39928 1834 7 there there EX 39928 1834 8 was be VBD 39928 1834 9 exactly exactly RB 39928 1834 10 enough enough JJ 39928 1834 11 hydrogen hydrogen NN 39928 1834 12 to to TO 39928 1834 13 fill fill VB 39928 1834 14 the the DT 39928 1834 15 vast vast JJ 39928 1834 16 ocean ocean NN 39928 1834 17 basins basin NNS 39928 1834 18 with with IN 39928 1834 19 water water NN 39928 1834 20 to to IN 39928 1834 21 such such PDT 39928 1834 22 a a DT 39928 1834 23 depth depth NN 39928 1834 24 as as IN 39928 1834 25 to to TO 39928 1834 26 leave leave VB 39928 1834 27 enough enough JJ 39928 1834 28 land land NN 39928 1834 29 - - HYPH 39928 1834 30 surface surface NN 39928 1834 31 for for IN 39928 1834 32 the the DT 39928 1834 33 ample ample JJ 39928 1834 34 development development NN 39928 1834 35 of of IN 39928 1834 36 vegetable vegetable NN 39928 1834 37 and and CC 39928 1834 38 animal animal NN 39928 1834 39 life life NN 39928 1834 40 , , , 39928 1834 41 and and CC 39928 1834 42 yet yet RB 39928 1834 43 not not RB 39928 1834 44 so so RB 39928 1834 45 much much JJ 39928 1834 46 as as IN 39928 1834 47 to to TO 39928 1834 48 be be VB 39928 1834 49 injurious injurious JJ 39928 1834 50 to to TO 39928 1834 51 climate climate VB 39928 1834 52 , , , 39928 1834 53 it -PRON- PRP 39928 1834 54 is be VBZ 39928 1834 55 difficult difficult JJ 39928 1834 56 to to TO 39928 1834 57 imagine imagine VB 39928 1834 58 . . . 39928 1835 1 Yet yet RB 39928 1835 2 the the DT 39928 1835 3 adjustment adjustment NN 39928 1835 4 stares stare VBZ 39928 1835 5 us -PRON- PRP 39928 1835 6 in in IN 39928 1835 7 the the DT 39928 1835 8 face face NN 39928 1835 9 . . . 39928 1836 1 First first RB 39928 1836 2 , , , 39928 1836 3 we -PRON- PRP 39928 1836 4 have have VBP 39928 1836 5 a a DT 39928 1836 6 satellite satellite NN 39928 1836 7 unique unique JJ 39928 1836 8 in in IN 39928 1836 9 size size NN 39928 1836 10 as as IN 39928 1836 11 compared compare VBN 39928 1836 12 with with IN 39928 1836 13 its -PRON- PRP$ 39928 1836 14 primary primary NN 39928 1836 15 , , , 39928 1836 16 and and CC 39928 1836 17 apparently apparently RB 39928 1836 18 in in IN 39928 1836 19 lateness lateness NN 39928 1836 20 of of IN 39928 1836 21 origin origin NN 39928 1836 22 ; ; : 39928 1836 23 then then RB 39928 1836 24 we -PRON- PRP 39928 1836 25 have have VBP 39928 1836 26 a a DT 39928 1836 27 mode mode NN 39928 1836 28 of of IN 39928 1836 29 origin origin NN 39928 1836 30 for for IN 39928 1836 31 that that DT 39928 1836 32 satellite satellite NN 39928 1836 33 said say VBD 39928 1836 34 to to TO 39928 1836 35 be be VB 39928 1836 36 certainly certainly RB 39928 1836 37 unique unique JJ 39928 1836 38 in in IN 39928 1836 39 the the DT 39928 1836 40 solar solar JJ 39928 1836 41 system system NN 39928 1836 42 ; ; : 39928 1836 43 as as IN 39928 1836 44 a a DT 39928 1836 45 consequence consequence NN 39928 1836 46 of of IN 39928 1836 47 this this DT 39928 1836 48 origin origin NN 39928 1836 49 , , , 39928 1836 50 it -PRON- PRP 39928 1836 51 is be VBZ 39928 1836 52 believed believe VBN 39928 1836 53 , , , 39928 1836 54 we -PRON- PRP 39928 1836 55 have have VBP 39928 1836 56 enormously enormously RB 39928 1836 57 deep deep JJ 39928 1836 58 ocean ocean NN 39928 1836 59 basins basin NNS 39928 1836 60 symmetrically symmetrically RB 39928 1836 61 placed place VBN 39928 1836 62 with with IN 39928 1836 63 regard regard NN 39928 1836 64 to to IN 39928 1836 65 the the DT 39928 1836 66 equator equator NN 39928 1836 67 -- -- : 39928 1836 68 an an DT 39928 1836 69 arrangement arrangement NN 39928 1836 70 which which WDT 39928 1836 71 is be VBZ 39928 1836 72 very very RB 39928 1836 73 important important JJ 39928 1836 74 for for IN 39928 1836 75 ocean ocean NN 39928 1836 76 circulation circulation NN 39928 1836 77 ; ; : 39928 1836 78 then then RB 39928 1836 79 we -PRON- PRP 39928 1836 80 must must MD 39928 1836 81 have have VB 39928 1836 82 had have VBN 39928 1836 83 the the DT 39928 1836 84 right right JJ 39928 1836 85 quantity quantity NN 39928 1836 86 of of IN 39928 1836 87 hydrogen hydrogen NN 39928 1836 88 , , , 39928 1836 89 obtained obtain VBN 39928 1836 90 in in IN 39928 1836 91 some some DT 39928 1836 92 unknown unknown JJ 39928 1836 93 way way NN 39928 1836 94 , , , 39928 1836 95 which which WDT 39928 1836 96 formed form VBD 39928 1836 97 water water NN 39928 1836 98 enough enough RB 39928 1836 99 to to TO 39928 1836 100 fill fill VB 39928 1836 101 these these DT 39928 1836 102 chasms chasm NNS 39928 1836 103 , , , 39928 1836 104 so so IN 39928 1836 105 as as IN 39928 1836 106 to to TO 39928 1836 107 leave leave VB 39928 1836 108 an an DT 39928 1836 109 ample ample JJ 39928 1836 110 area area NN 39928 1836 111 of of IN 39928 1836 112 dry dry JJ 39928 1836 113 land land NN 39928 1836 114 , , , 39928 1836 115 but but CC 39928 1836 116 which which WDT 39928 1836 117 one one CD 39928 1836 118 - - HYPH 39928 1836 119 tenth tenth NN 39928 1836 120 more more JJR 39928 1836 121 water water NN 39928 1836 122 would would MD 39928 1836 123 have have VB 39928 1836 124 ingulfed ingulfe VBN 39928 1836 125 ; ; : 39928 1836 126 and and CC 39928 1836 127 , , , 39928 1836 128 lastly lastly RB 39928 1836 129 , , , 39928 1836 130 we -PRON- PRP 39928 1836 131 have have VBP 39928 1836 132 oxygen oxygen NN 39928 1836 133 enough enough RB 39928 1836 134 left leave VBN 39928 1836 135 to to TO 39928 1836 136 form form VB 39928 1836 137 an an DT 39928 1836 138 atmosphere atmosphere NN 39928 1836 139 of of IN 39928 1836 140 sufficient sufficient JJ 39928 1836 141 density density NN 39928 1836 142 for for IN 39928 1836 143 all all PDT 39928 1836 144 the the DT 39928 1836 145 requirements requirement NNS 39928 1836 146 of of IN 39928 1836 147 life life NN 39928 1836 148 . . . 39928 1837 1 It -PRON- PRP 39928 1837 2 could could MD 39928 1837 3 not not RB 39928 1837 4 be be VB 39928 1837 5 that that IN 39928 1837 6 the the DT 39928 1837 7 surplus surplus NN 39928 1837 8 hydrogen hydrogen NN 39928 1837 9 escaped escape VBD 39928 1837 10 when when WRB 39928 1837 11 the the DT 39928 1837 12 water water NN 39928 1837 13 had have VBD 39928 1837 14 been be VBN 39928 1837 15 produced produce VBN 39928 1837 16 , , , 39928 1837 17 because because IN 39928 1837 18 it -PRON- PRP 39928 1837 19 escapes escape VBZ 39928 1837 20 very very RB 39928 1837 21 slowly slowly RB 39928 1837 22 , , , 39928 1837 23 and and CC 39928 1837 24 it -PRON- PRP 39928 1837 25 combines combine VBZ 39928 1837 26 so so RB 39928 1837 27 easily easily RB 39928 1837 28 with with IN 39928 1837 29 free free JJ 39928 1837 30 oxygen oxygen NN 39928 1837 31 by by IN 39928 1837 32 means mean NNS 39928 1837 33 of of IN 39928 1837 34 even even RB 39928 1837 35 a a DT 39928 1837 36 spark spark NN 39928 1837 37 , , , 39928 1837 38 as as IN 39928 1837 39 to to TO 39928 1837 40 make make VB 39928 1837 41 it -PRON- PRP 39928 1837 42 certain certain JJ 39928 1837 43 that that IN 39928 1837 44 _ _ NNP 39928 1837 45 all all DT 39928 1837 46 _ _ NNP 39928 1837 47 the the DT 39928 1837 48 available available JJ 39928 1837 49 hydrogen hydrogen NN 39928 1837 50 was be VBD 39928 1837 51 used use VBN 39928 1837 52 up up RP 39928 1837 53 in in IN 39928 1837 54 the the DT 39928 1837 55 oceanic oceanic JJ 39928 1837 56 waters water NNS 39928 1837 57 , , , 39928 1837 58 and and CC 39928 1837 59 that that IN 39928 1837 60 the the DT 39928 1837 61 supply supply NN 39928 1837 62 from from IN 39928 1837 63 the the DT 39928 1837 64 earth earth NN 39928 1837 65 's 's POS 39928 1837 66 interior interior NN 39928 1837 67 has have VBZ 39928 1837 68 been be VBN 39928 1837 69 since since IN 39928 1837 70 comparatively comparatively RB 39928 1837 71 small small JJ 39928 1837 72 in in IN 39928 1837 73 amount amount NN 39928 1837 74 . . . 39928 1838 1 There there EX 39928 1838 2 is be VBZ 39928 1838 3 yet yet RB 39928 1838 4 one one CD 39928 1838 5 more more JJR 39928 1838 6 adjustment adjustment NN 39928 1838 7 to to TO 39928 1838 8 be be VB 39928 1838 9 noticed notice VBN 39928 1838 10 . . . 39928 1839 1 All all PDT 39928 1839 2 the the DT 39928 1839 3 facts fact NNS 39928 1839 4 now now RB 39928 1839 5 referred refer VBD 39928 1839 6 to to TO 39928 1839 7 show show VB 39928 1839 8 that that IN 39928 1839 9 the the DT 39928 1839 10 earth earth NN 39928 1839 11 's 's POS 39928 1839 12 mass mass NN 39928 1839 13 is be VBZ 39928 1839 14 sufficient sufficient JJ 39928 1839 15 to to TO 39928 1839 16 bring bring VB 39928 1839 17 about about RP 39928 1839 18 the the DT 39928 1839 19 conditions condition NNS 39928 1839 20 favourable favourable JJ 39928 1839 21 for for IN 39928 1839 22 life life NN 39928 1839 23 . . . 39928 1840 1 But but CC 39928 1840 2 if if IN 39928 1840 3 our -PRON- PRP$ 39928 1840 4 globe globe NN 39928 1840 5 had have VBD 39928 1840 6 been be VBN 39928 1840 7 a a DT 39928 1840 8 little little RB 39928 1840 9 larger large JJR 39928 1840 10 , , , 39928 1840 11 and and CC 39928 1840 12 proportionately proportionately RB 39928 1840 13 denser denser NN 39928 1840 14 , , , 39928 1840 15 in in IN 39928 1840 16 all all DT 39928 1840 17 probability probability NN 39928 1840 18 no no DT 39928 1840 19 life life NN 39928 1840 20 would would MD 39928 1840 21 have have VB 39928 1840 22 been be VBN 39928 1840 23 possible possible JJ 39928 1840 24 . . . 39928 1841 1 Between between IN 39928 1841 2 a a DT 39928 1841 3 planet planet NN 39928 1841 4 of of IN 39928 1841 5 8000 8000 CD 39928 1841 6 and and CC 39928 1841 7 one one CD 39928 1841 8 of of IN 39928 1841 9 9500 9500 CD 39928 1841 10 miles mile NNS 39928 1841 11 diameter diameter NN 39928 1841 12 is be VBZ 39928 1841 13 not not RB 39928 1841 14 a a DT 39928 1841 15 large large JJ 39928 1841 16 difference difference NN 39928 1841 17 , , , 39928 1841 18 when when WRB 39928 1841 19 compared compare VBN 39928 1841 20 with with IN 39928 1841 21 the the DT 39928 1841 22 enormous enormous JJ 39928 1841 23 range range NN 39928 1841 24 of of IN 39928 1841 25 size size NN 39928 1841 26 of of IN 39928 1841 27 the the DT 39928 1841 28 other other JJ 39928 1841 29 planets planet NNS 39928 1841 30 . . . 39928 1842 1 Yet yet RB 39928 1842 2 this this DT 39928 1842 3 slight slight JJ 39928 1842 4 increase increase NN 39928 1842 5 in in IN 39928 1842 6 diameter diameter NN 39928 1842 7 would would MD 39928 1842 8 give give VB 39928 1842 9 two two CD 39928 1842 10 - - HYPH 39928 1842 11 thirds third NNS 39928 1842 12 increase increase NN 39928 1842 13 in in IN 39928 1842 14 bulk bulk NN 39928 1842 15 , , , 39928 1842 16 and and CC 39928 1842 17 , , , 39928 1842 18 with with IN 39928 1842 19 a a DT 39928 1842 20 corresponding corresponding JJ 39928 1842 21 increase increase NN 39928 1842 22 of of IN 39928 1842 23 density density NN 39928 1842 24 due due IN 39928 1842 25 to to IN 39928 1842 26 the the DT 39928 1842 27 greater great JJR 39928 1842 28 gravitative gravitative NNP 39928 1842 29 force force NN 39928 1842 30 , , , 39928 1842 31 the the DT 39928 1842 32 mass mass NN 39928 1842 33 would would MD 39928 1842 34 be be VB 39928 1842 35 about about RB 39928 1842 36 double double JJ 39928 1842 37 what what WP 39928 1842 38 it -PRON- PRP 39928 1842 39 is be VBZ 39928 1842 40 . . . 39928 1843 1 But but CC 39928 1843 2 with with IN 39928 1843 3 double double JJ 39928 1843 4 the the DT 39928 1843 5 mass mass NN 39928 1843 6 the the DT 39928 1843 7 quantity quantity NN 39928 1843 8 of of IN 39928 1843 9 gases gas NNS 39928 1843 10 of of IN 39928 1843 11 all all DT 39928 1843 12 sorts sort NNS 39928 1843 13 attracted attract VBN 39928 1843 14 and and CC 39928 1843 15 retained retain VBN 39928 1843 16 by by IN 39928 1843 17 gravity gravity NN 39928 1843 18 would would MD 39928 1843 19 probably probably RB 39928 1843 20 have have VB 39928 1843 21 been be VBN 39928 1843 22 double double JJ 39928 1843 23 ; ; : 39928 1843 24 and and CC 39928 1843 25 in in IN 39928 1843 26 that that DT 39928 1843 27 case case NN 39928 1843 28 there there EX 39928 1843 29 would would MD 39928 1843 30 have have VB 39928 1843 31 been be VBN 39928 1843 32 double double PDT 39928 1843 33 the the DT 39928 1843 34 quantity quantity NN 39928 1843 35 of of IN 39928 1843 36 water water NN 39928 1843 37 produced produce VBN 39928 1843 38 , , , 39928 1843 39 as as IN 39928 1843 40 no no DT 39928 1843 41 hydrogen hydrogen NN 39928 1843 42 could could MD 39928 1843 43 then then RB 39928 1843 44 escape escape VB 39928 1843 45 . . . 39928 1844 1 But but CC 39928 1844 2 the the DT 39928 1844 3 _ _ NNP 39928 1844 4 surface surface NN 39928 1844 5 _ _ NNP 39928 1844 6 of of IN 39928 1844 7 the the DT 39928 1844 8 globe globe NN 39928 1844 9 would would MD 39928 1844 10 only only RB 39928 1844 11 be be VB 39928 1844 12 one one CD 39928 1844 13 half half NN 39928 1844 14 greater great JJR 39928 1844 15 than than IN 39928 1844 16 at at IN 39928 1844 17 present present NN 39928 1844 18 , , , 39928 1844 19 in in IN 39928 1844 20 which which WDT 39928 1844 21 case case NN 39928 1844 22 the the DT 39928 1844 23 water water NN 39928 1844 24 would would MD 39928 1844 25 have have VB 39928 1844 26 sufficed suffice VBN 39928 1844 27 to to TO 39928 1844 28 cover cover VB 39928 1844 29 the the DT 39928 1844 30 whole whole JJ 39928 1844 31 surface surface NN 39928 1844 32 several several JJ 39928 1844 33 miles mile NNS 39928 1844 34 deep deep JJ 39928 1844 35 . . . 39928 1845 1 HABITABILITY HABITABILITY NNS 39928 1845 2 OF of IN 39928 1845 3 OTHER other JJ 39928 1845 4 PLANETS PLANETS NNP 39928 1845 5 When when WRB 39928 1845 6 we -PRON- PRP 39928 1845 7 look look VBP 39928 1845 8 to to IN 39928 1845 9 the the DT 39928 1845 10 other other JJ 39928 1845 11 planets planet NNS 39928 1845 12 of of IN 39928 1845 13 our -PRON- PRP$ 39928 1845 14 system system NN 39928 1845 15 we -PRON- PRP 39928 1845 16 see see VBP 39928 1845 17 everywhere everywhere RB 39928 1845 18 illustrations illustration NNS 39928 1845 19 of of IN 39928 1845 20 the the DT 39928 1845 21 relation relation NN 39928 1845 22 of of IN 39928 1845 23 size size NN 39928 1845 24 and and CC 39928 1845 25 mass mass NN 39928 1845 26 to to IN 39928 1845 27 habitability habitability NN 39928 1845 28 . . . 39928 1846 1 The the DT 39928 1846 2 smaller small JJR 39928 1846 3 planets planet NNS 39928 1846 4 , , , 39928 1846 5 Mercury Mercury NNP 39928 1846 6 and and CC 39928 1846 7 Mars Mars NNP 39928 1846 8 , , , 39928 1846 9 have have VBP 39928 1846 10 not not RB 39928 1846 11 sufficient sufficient JJ 39928 1846 12 mass mass NN 39928 1846 13 to to TO 39928 1846 14 retain retain VB 39928 1846 15 water water NN 39928 1846 16 - - HYPH 39928 1846 17 vapour vapour NN 39928 1846 18 , , , 39928 1846 19 and and CC 39928 1846 20 , , , 39928 1846 21 without without IN 39928 1846 22 it -PRON- PRP 39928 1846 23 , , , 39928 1846 24 they -PRON- PRP 39928 1846 25 can can MD 39928 1846 26 not not RB 39928 1846 27 be be VB 39928 1846 28 habitable habitable JJ 39928 1846 29 . . . 39928 1847 1 All all PDT 39928 1847 2 the the DT 39928 1847 3 larger large JJR 39928 1847 4 planets planet NNS 39928 1847 5 can can MD 39928 1847 6 have have VB 39928 1847 7 very very RB 39928 1847 8 little little JJ 39928 1847 9 solid solid JJ 39928 1847 10 matter matter NN 39928 1847 11 , , , 39928 1847 12 as as IN 39928 1847 13 indicated indicate VBN 39928 1847 14 by by IN 39928 1847 15 their -PRON- PRP$ 39928 1847 16 very very RB 39928 1847 17 low low JJ 39928 1847 18 density density NN 39928 1847 19 notwithstanding notwithstanding IN 39928 1847 20 their -PRON- PRP$ 39928 1847 21 enormous enormous JJ 39928 1847 22 mass mass NN 39928 1847 23 . . . 39928 1848 1 There there EX 39928 1848 2 is be VBZ 39928 1848 3 , , , 39928 1848 4 therefore therefore RB 39928 1848 5 , , , 39928 1848 6 very very RB 39928 1848 7 good good JJ 39928 1848 8 reason reason NN 39928 1848 9 for for IN 39928 1848 10 the the DT 39928 1848 11 belief belief NN 39928 1848 12 that that IN 39928 1848 13 the the DT 39928 1848 14 adaptability adaptability NN 39928 1848 15 of of IN 39928 1848 16 a a DT 39928 1848 17 planet planet NN 39928 1848 18 for for IN 39928 1848 19 a a DT 39928 1848 20 full full JJ 39928 1848 21 development development NN 39928 1848 22 of of IN 39928 1848 23 life life NN 39928 1848 24 is be VBZ 39928 1848 25 _ _ NNP 39928 1848 26 primarily primarily RB 39928 1848 27 _ _ NNP 39928 1848 28 dependent dependent JJ 39928 1848 29 , , , 39928 1848 30 within within IN 39928 1848 31 very very RB 39928 1848 32 narrow narrow JJ 39928 1848 33 limits limit NNS 39928 1848 34 , , , 39928 1848 35 on on IN 39928 1848 36 its -PRON- PRP$ 39928 1848 37 size size NN 39928 1848 38 and and CC 39928 1848 39 , , , 39928 1848 40 more more RBR 39928 1848 41 directly directly RB 39928 1848 42 , , , 39928 1848 43 on on IN 39928 1848 44 its -PRON- PRP$ 39928 1848 45 mass mass NN 39928 1848 46 . . . 39928 1849 1 But but CC 39928 1849 2 if if IN 39928 1849 3 the the DT 39928 1849 4 earth earth NN 39928 1849 5 owes owe VBZ 39928 1849 6 its -PRON- PRP$ 39928 1849 7 specially specially RB 39928 1849 8 constituted constituted JJ 39928 1849 9 atmosphere atmosphere NN 39928 1849 10 and and CC 39928 1849 11 its -PRON- PRP$ 39928 1849 12 nicely nicely RB 39928 1849 13 adjusted adjust VBN 39928 1849 14 quantity quantity NN 39928 1849 15 of of IN 39928 1849 16 water water NN 39928 1849 17 to to IN 39928 1849 18 such such JJ 39928 1849 19 general general JJ 39928 1849 20 causes cause NNS 39928 1849 21 as as IN 39928 1849 22 here here RB 39928 1849 23 indicated indicate VBN 39928 1849 24 , , , 39928 1849 25 and and CC 39928 1849 26 the the DT 39928 1849 27 same same JJ 39928 1849 28 causes cause NNS 39928 1849 29 apply apply VBP 39928 1849 30 to to IN 39928 1849 31 the the DT 39928 1849 32 other other JJ 39928 1849 33 planets planet NNS 39928 1849 34 of of IN 39928 1849 35 the the DT 39928 1849 36 solar solar JJ 39928 1849 37 system system NN 39928 1849 38 , , , 39928 1849 39 then then RB 39928 1849 40 the the DT 39928 1849 41 only only JJ 39928 1849 42 planet planet NN 39928 1849 43 on on IN 39928 1849 44 which which WDT 39928 1849 45 life life NN 39928 1849 46 can can MD 39928 1849 47 be be VB 39928 1849 48 possible possible JJ 39928 1849 49 is be VBZ 39928 1849 50 Venus Venus NNP 39928 1849 51 . . . 39928 1850 1 As as IN 39928 1850 2 , , , 39928 1850 3 however however RB 39928 1850 4 , , , 39928 1850 5 it -PRON- PRP 39928 1850 6 may may MD 39928 1850 7 be be VB 39928 1850 8 urged urge VBN 39928 1850 9 that that IN 39928 1850 10 exceptional exceptional JJ 39928 1850 11 causes cause NNS 39928 1850 12 may may MD 39928 1850 13 have have VB 39928 1850 14 given give VBN 39928 1850 15 other other JJ 39928 1850 16 planets planet NNS 39928 1850 17 an an DT 39928 1850 18 equal equal JJ 39928 1850 19 advantage advantage NN 39928 1850 20 in in IN 39928 1850 21 the the DT 39928 1850 22 matter matter NN 39928 1850 23 of of IN 39928 1850 24 air air NN 39928 1850 25 and and CC 39928 1850 26 water water NN 39928 1850 27 , , , 39928 1850 28 we -PRON- PRP 39928 1850 29 will will MD 39928 1850 30 briefly briefly RB 39928 1850 31 consider consider VB 39928 1850 32 some some DT 39928 1850 33 of of IN 39928 1850 34 the the DT 39928 1850 35 other other JJ 39928 1850 36 conditions condition NNS 39928 1850 37 which which WDT 39928 1850 38 we -PRON- PRP 39928 1850 39 have have VBP 39928 1850 40 found find VBN 39928 1850 41 to to TO 39928 1850 42 be be VB 39928 1850 43 essential essential JJ 39928 1850 44 in in IN 39928 1850 45 the the DT 39928 1850 46 case case NN 39928 1850 47 of of IN 39928 1850 48 the the DT 39928 1850 49 earth earth NN 39928 1850 50 , , , 39928 1850 51 but but CC 39928 1850 52 which which WDT 39928 1850 53 it -PRON- PRP 39928 1850 54 is be VBZ 39928 1850 55 almost almost RB 39928 1850 56 impossible impossible JJ 39928 1850 57 to to TO 39928 1850 58 conceive conceive VB 39928 1850 59 as as IN 39928 1850 60 existing exist VBG 39928 1850 61 , , , 39928 1850 62 to to IN 39928 1850 63 the the DT 39928 1850 64 required require VBN 39928 1850 65 extent extent NN 39928 1850 66 , , , 39928 1850 67 on on IN 39928 1850 68 any any DT 39928 1850 69 of of IN 39928 1850 70 the the DT 39928 1850 71 other other JJ 39928 1850 72 planets planet NNS 39928 1850 73 of of IN 39928 1850 74 the the DT 39928 1850 75 solar solar JJ 39928 1850 76 system system NN 39928 1850 77 . . . 39928 1851 1 A a DT 39928 1851 2 SMALL SMALL NNP 39928 1851 3 AND and CC 39928 1851 4 DEFINITE DEFINITE NNP 39928 1851 5 RANGE RANGE NNS 39928 1851 6 OF of IN 39928 1851 7 TEMPERATURE temperature NN 39928 1851 8 We -PRON- PRP 39928 1851 9 have have VBP 39928 1851 10 already already RB 39928 1851 11 seen see VBN 39928 1851 12 within within IN 39928 1851 13 what what WP 39928 1851 14 narrow narrow JJ 39928 1851 15 limits limit VBZ 39928 1851 16 the the DT 39928 1851 17 temperature temperature NN 39928 1851 18 on on IN 39928 1851 19 a a DT 39928 1851 20 planet planet NN 39928 1851 21 's 's POS 39928 1851 22 surface surface NN 39928 1851 23 must must MD 39928 1851 24 be be VB 39928 1851 25 maintained maintain VBN 39928 1851 26 in in IN 39928 1851 27 order order NN 39928 1851 28 to to TO 39928 1851 29 develop develop VB 39928 1851 30 and and CC 39928 1851 31 support support VB 39928 1851 32 life life NN 39928 1851 33 . . . 39928 1852 1 We -PRON- PRP 39928 1852 2 have have VBP 39928 1852 3 also also RB 39928 1852 4 seen see VBN 39928 1852 5 how how WRB 39928 1852 6 numerous numerous JJ 39928 1852 7 and and CC 39928 1852 8 how how WRB 39928 1852 9 delicate delicate JJ 39928 1852 10 are be VBP 39928 1852 11 the the DT 39928 1852 12 conditions condition NNS 39928 1852 13 , , , 39928 1852 14 such such JJ 39928 1852 15 as as IN 39928 1852 16 density density NN 39928 1852 17 of of IN 39928 1852 18 atmosphere atmosphere NN 39928 1852 19 , , , 39928 1852 20 extent extent NN 39928 1852 21 and and CC 39928 1852 22 permanence permanence NN 39928 1852 23 of of IN 39928 1852 24 oceans ocean NNS 39928 1852 25 , , , 39928 1852 26 and and CC 39928 1852 27 distribution distribution NN 39928 1852 28 of of IN 39928 1852 29 sea sea NN 39928 1852 30 and and CC 39928 1852 31 land land NN 39928 1852 32 , , , 39928 1852 33 which which WDT 39928 1852 34 are be VBP 39928 1852 35 requisite requisite JJ 39928 1852 36 , , , 39928 1852 37 even even RB 39928 1852 38 with with IN 39928 1852 39 us -PRON- PRP 39928 1852 40 , , , 39928 1852 41 in in IN 39928 1852 42 order order NN 39928 1852 43 to to TO 39928 1852 44 render render VB 39928 1852 45 possible possible JJ 39928 1852 46 the the DT 39928 1852 47 continuous continuous JJ 39928 1852 48 preservation preservation NN 39928 1852 49 of of IN 39928 1852 50 a a DT 39928 1852 51 sufficiently sufficiently RB 39928 1852 52 uniform uniform JJ 39928 1852 53 temperature temperature NN 39928 1852 54 . . . 39928 1853 1 Slight slight JJ 39928 1853 2 alterations alteration NNS 39928 1853 3 one one CD 39928 1853 4 way way NN 39928 1853 5 or or CC 39928 1853 6 another another DT 39928 1853 7 might may MD 39928 1853 8 render render VB 39928 1853 9 the the DT 39928 1853 10 earth earth NN 39928 1853 11 almost almost RB 39928 1853 12 uninhabitable uninhabitable JJ 39928 1853 13 , , , 39928 1853 14 through through IN 39928 1853 15 its -PRON- PRP$ 39928 1853 16 being be VBG 39928 1853 17 liable liable JJ 39928 1853 18 to to IN 39928 1853 19 alternations alternation NNS 39928 1853 20 of of IN 39928 1853 21 too too RB 39928 1853 22 great great JJ 39928 1853 23 heat heat NN 39928 1853 24 or or CC 39928 1853 25 excessive excessive JJ 39928 1853 26 cold cold NN 39928 1853 27 . . . 39928 1854 1 How how WRB 39928 1854 2 then then RB 39928 1854 3 can can MD 39928 1854 4 we -PRON- PRP 39928 1854 5 suppose suppose VB 39928 1854 6 that that IN 39928 1854 7 any any DT 39928 1854 8 other other JJ 39928 1854 9 of of IN 39928 1854 10 the the DT 39928 1854 11 planets planet NNS 39928 1854 12 , , , 39928 1854 13 which which WDT 39928 1854 14 have have VBP 39928 1854 15 either either CC 39928 1854 16 very very RB 39928 1854 17 much much RB 39928 1854 18 more more RBR 39928 1854 19 or or CC 39928 1854 20 very very RB 39928 1854 21 much much RB 39928 1854 22 less less JJR 39928 1854 23 sun sun NN 39928 1854 24 - - HYPH 39928 1854 25 heat heat NN 39928 1854 26 than than IN 39928 1854 27 we -PRON- PRP 39928 1854 28 receive receive VBP 39928 1854 29 , , , 39928 1854 30 could could MD 39928 1854 31 , , , 39928 1854 32 by by IN 39928 1854 33 any any DT 39928 1854 34 possible possible JJ 39928 1854 35 modification modification NN 39928 1854 36 of of IN 39928 1854 37 conditions condition NNS 39928 1854 38 , , , 39928 1854 39 be be VB 39928 1854 40 rendered render VBN 39928 1854 41 capable capable JJ 39928 1854 42 of of IN 39928 1854 43 producing produce VBG 39928 1854 44 and and CC 39928 1854 45 supporting support VBG 39928 1854 46 a a DT 39928 1854 47 full full JJ 39928 1854 48 and and CC 39928 1854 49 varied varied JJ 39928 1854 50 life life NN 39928 1854 51 - - HYPH 39928 1854 52 development development NN 39928 1854 53 ? ? . 39928 1855 1 Mars Mars NNP 39928 1855 2 receives receive VBZ 39928 1855 3 less less JJR 39928 1855 4 than than IN 39928 1855 5 half half PDT 39928 1855 6 the the DT 39928 1855 7 amount amount NN 39928 1855 8 of of IN 39928 1855 9 sun sun NN 39928 1855 10 - - HYPH 39928 1855 11 heat heat NNP 39928 1855 12 per per IN 39928 1855 13 unit unit NN 39928 1855 14 of of IN 39928 1855 15 surface surface NN 39928 1855 16 that that WDT 39928 1855 17 we -PRON- PRP 39928 1855 18 do do VBP 39928 1855 19 . . . 39928 1856 1 And and CC 39928 1856 2 as as IN 39928 1856 3 it -PRON- PRP 39928 1856 4 is be VBZ 39928 1856 5 almost almost RB 39928 1856 6 certain certain JJ 39928 1856 7 that that IN 39928 1856 8 it -PRON- PRP 39928 1856 9 contains contain VBZ 39928 1856 10 no no DT 39928 1856 11 water water NN 39928 1856 12 ( ( -LRB- 39928 1856 13 its -PRON- PRP$ 39928 1856 14 polar polar JJ 39928 1856 15 snows snow NNS 39928 1856 16 being be VBG 39928 1856 17 caused cause VBN 39928 1856 18 by by IN 39928 1856 19 carbonic carbonic JJ 39928 1856 20 acid acid NN 39928 1856 21 or or CC 39928 1856 22 some some DT 39928 1856 23 other other JJ 39928 1856 24 heavy heavy JJ 39928 1856 25 gas gas NN 39928 1856 26 ) ) -RRB- 39928 1856 27 it -PRON- PRP 39928 1856 28 follows follow VBZ 39928 1856 29 that that IN 39928 1856 30 , , , 39928 1856 31 although although IN 39928 1856 32 it -PRON- PRP 39928 1856 33 may may MD 39928 1856 34 produce produce VB 39928 1856 35 vegetable vegetable JJ 39928 1856 36 life life NN 39928 1856 37 of of IN 39928 1856 38 some some DT 39928 1856 39 low low JJ 39928 1856 40 kinds kind NNS 39928 1856 41 , , , 39928 1856 42 it -PRON- PRP 39928 1856 43 must must MD 39928 1856 44 be be VB 39928 1856 45 quite quite RB 39928 1856 46 unsuited unsuited JJ 39928 1856 47 for for IN 39928 1856 48 that that DT 39928 1856 49 of of IN 39928 1856 50 the the DT 39928 1856 51 higher high JJR 39928 1856 52 animals animal NNS 39928 1856 53 . . . 39928 1857 1 Its -PRON- PRP$ 39928 1857 2 small small JJ 39928 1857 3 size size NN 39928 1857 4 and and CC 39928 1857 5 mass mass NN 39928 1857 6 , , , 39928 1857 7 the the DT 39928 1857 8 latter latter JJ 39928 1857 9 only only JJ 39928 1857 10 one one CD 39928 1857 11 - - HYPH 39928 1857 12 ninth ninth JJ 39928 1857 13 that that DT 39928 1857 14 of of IN 39928 1857 15 the the DT 39928 1857 16 earth earth NN 39928 1857 17 , , , 39928 1857 18 may may MD 39928 1857 19 probably probably RB 39928 1857 20 allow allow VB 39928 1857 21 it -PRON- PRP 39928 1857 22 to to TO 39928 1857 23 possess possess VB 39928 1857 24 a a DT 39928 1857 25 very very RB 39928 1857 26 rare rare JJ 39928 1857 27 atmosphere atmosphere NN 39928 1857 28 of of IN 39928 1857 29 oxygen oxygen NN 39928 1857 30 and and CC 39928 1857 31 nitrogen nitrogen NN 39928 1857 32 , , , 39928 1857 33 if if IN 39928 1857 34 those those DT 39928 1857 35 gases gas NNS 39928 1857 36 exist exist VBP 39928 1857 37 there there RB 39928 1857 38 , , , 39928 1857 39 and and CC 39928 1857 40 this this DT 39928 1857 41 lack lack NN 39928 1857 42 of of IN 39928 1857 43 density density NN 39928 1857 44 would would MD 39928 1857 45 render render VB 39928 1857 46 it -PRON- PRP 39928 1857 47 unable unable JJ 39928 1857 48 to to TO 39928 1857 49 retain retain VB 39928 1857 50 during during IN 39928 1857 51 the the DT 39928 1857 52 night night NN 39928 1857 53 the the DT 39928 1857 54 very very RB 39928 1857 55 moderate moderate JJ 39928 1857 56 amount amount NN 39928 1857 57 of of IN 39928 1857 58 heat heat NN 39928 1857 59 it -PRON- PRP 39928 1857 60 might may MD 39928 1857 61 absorb absorb VB 39928 1857 62 during during IN 39928 1857 63 the the DT 39928 1857 64 day day NN 39928 1857 65 . . . 39928 1858 1 This this DT 39928 1858 2 conclusion conclusion NN 39928 1858 3 is be VBZ 39928 1858 4 supported support VBN 39928 1858 5 by by IN 39928 1858 6 its -PRON- PRP$ 39928 1858 7 low low JJ 39928 1858 8 reflecting reflect VBG 39928 1858 9 power power NN 39928 1858 10 , , , 39928 1858 11 showing show VBG 39928 1858 12 that that IN 39928 1858 13 it -PRON- PRP 39928 1858 14 has have VBZ 39928 1858 15 hardly hardly RB 39928 1858 16 any any DT 39928 1858 17 clouds cloud NNS 39928 1858 18 in in IN 39928 1858 19 its -PRON- PRP$ 39928 1858 20 scanty scanty NN 39928 1858 21 atmosphere atmosphere NN 39928 1858 22 . . . 39928 1859 1 During during IN 39928 1859 2 the the DT 39928 1859 3 greater great JJR 39928 1859 4 part part NN 39928 1859 5 of of IN 39928 1859 6 the the DT 39928 1859 7 twenty twenty CD 39928 1859 8 - - HYPH 39928 1859 9 four four CD 39928 1859 10 hours hour NNS 39928 1859 11 , , , 39928 1859 12 therefore therefore RB 39928 1859 13 , , , 39928 1859 14 its -PRON- PRP$ 39928 1859 15 surface surface NN 39928 1859 16 - - HYPH 39928 1859 17 temperature temperature NN 39928 1859 18 would would MD 39928 1859 19 probably probably RB 39928 1859 20 be be VB 39928 1859 21 much much RB 39928 1859 22 below below IN 39928 1859 23 the the DT 39928 1859 24 freezing freezing JJ 39928 1859 25 point point NN 39928 1859 26 of of IN 39928 1859 27 water water NN 39928 1859 28 ; ; : 39928 1859 29 and and CC 39928 1859 30 this this DT 39928 1859 31 , , , 39928 1859 32 taken take VBN 39928 1859 33 in in IN 39928 1859 34 conjunction conjunction NN 39928 1859 35 with with IN 39928 1859 36 the the DT 39928 1859 37 total total JJ 39928 1859 38 absence absence NN 39928 1859 39 of of IN 39928 1859 40 aqueous aqueous JJ 39928 1859 41 vapour vapour NN 39928 1859 42 or or CC 39928 1859 43 liquid liquid JJ 39928 1859 44 water water NN 39928 1859 45 , , , 39928 1859 46 would would MD 39928 1859 47 add add VB 39928 1859 48 still still RB 39928 1859 49 further further RB 39928 1859 50 to to IN 39928 1859 51 its -PRON- PRP$ 39928 1859 52 unsuitability unsuitability NN 39928 1859 53 for for IN 39928 1859 54 animal animal NN 39928 1859 55 life life NN 39928 1859 56 . . . 39928 1860 1 In in IN 39928 1860 2 Venus Venus NNP 39928 1860 3 the the DT 39928 1860 4 conditions condition NNS 39928 1860 5 are be VBP 39928 1860 6 equally equally RB 39928 1860 7 adverse adverse JJ 39928 1860 8 in in IN 39928 1860 9 the the DT 39928 1860 10 other other JJ 39928 1860 11 direction direction NN 39928 1860 12 . . . 39928 1861 1 It -PRON- PRP 39928 1861 2 receives receive VBZ 39928 1861 3 from from IN 39928 1861 4 the the DT 39928 1861 5 sun sun NN 39928 1861 6 almost almost RB 39928 1861 7 double double PDT 39928 1861 8 the the DT 39928 1861 9 amount amount NN 39928 1861 10 of of IN 39928 1861 11 heat heat NN 39928 1861 12 that that WDT 39928 1861 13 we -PRON- PRP 39928 1861 14 receive receive VBP 39928 1861 15 , , , 39928 1861 16 and and CC 39928 1861 17 this this DT 39928 1861 18 alone alone RB 39928 1861 19 would would MD 39928 1861 20 render render VB 39928 1861 21 necessary necessary JJ 39928 1861 22 some some DT 39928 1861 23 extraordinary extraordinary JJ 39928 1861 24 combination combination NN 39928 1861 25 of of IN 39928 1861 26 modifying modify VBG 39928 1861 27 agencies agency NNS 39928 1861 28 in in IN 39928 1861 29 order order NN 39928 1861 30 to to TO 39928 1861 31 reduce reduce VB 39928 1861 32 and and CC 39928 1861 33 render render VB 39928 1861 34 uniform uniform VB 39928 1861 35 the the DT 39928 1861 36 excessively excessively RB 39928 1861 37 high high JJ 39928 1861 38 temperature temperature NN 39928 1861 39 . . . 39928 1862 1 But but CC 39928 1862 2 it -PRON- PRP 39928 1862 3 is be VBZ 39928 1862 4 now now RB 39928 1862 5 known know VBN 39928 1862 6 that that IN 39928 1862 7 Venus Venus NNP 39928 1862 8 has have VBZ 39928 1862 9 one one CD 39928 1862 10 peculiarity peculiarity NN 39928 1862 11 which which WDT 39928 1862 12 is be VBZ 39928 1862 13 in in IN 39928 1862 14 itself -PRON- PRP 39928 1862 15 almost almost RB 39928 1862 16 prohibitive prohibitive JJ 39928 1862 17 of of IN 39928 1862 18 animal animal NN 39928 1862 19 life life NN 39928 1862 20 , , , 39928 1862 21 and and CC 39928 1862 22 probably probably RB 39928 1862 23 of of IN 39928 1862 24 even even RB 39928 1862 25 the the DT 39928 1862 26 lowest low JJS 39928 1862 27 forms form NNS 39928 1862 28 of of IN 39928 1862 29 vegetable vegetable JJ 39928 1862 30 life life NN 39928 1862 31 . . . 39928 1863 1 This this DT 39928 1863 2 peculiarity peculiarity NN 39928 1863 3 is be VBZ 39928 1863 4 , , , 39928 1863 5 that that IN 39928 1863 6 through through IN 39928 1863 7 tidal tidal JJ 39928 1863 8 action action NN 39928 1863 9 caused cause VBN 39928 1863 10 by by IN 39928 1863 11 the the DT 39928 1863 12 sun sun NN 39928 1863 13 , , , 39928 1863 14 its -PRON- PRP$ 39928 1863 15 day day NN 39928 1863 16 has have VBZ 39928 1863 17 been be VBN 39928 1863 18 made make VBN 39928 1863 19 to to TO 39928 1863 20 coincide coincide VB 39928 1863 21 with with IN 39928 1863 22 its -PRON- PRP$ 39928 1863 23 year year NN 39928 1863 24 , , , 39928 1863 25 or or CC 39928 1863 26 , , , 39928 1863 27 more more RBR 39928 1863 28 properly properly RB 39928 1863 29 , , , 39928 1863 30 that that IN 39928 1863 31 it -PRON- PRP 39928 1863 32 rotates rotate VBZ 39928 1863 33 on on IN 39928 1863 34 its -PRON- PRP$ 39928 1863 35 axis axis NN 39928 1863 36 in in IN 39928 1863 37 the the DT 39928 1863 38 same same JJ 39928 1863 39 time time NN 39928 1863 40 that that WDT 39928 1863 41 it -PRON- PRP 39928 1863 42 revolves revolve VBZ 39928 1863 43 round round IN 39928 1863 44 the the DT 39928 1863 45 sun sun NN 39928 1863 46 . . . 39928 1864 1 Hence hence RB 39928 1864 2 it -PRON- PRP 39928 1864 3 always always RB 39928 1864 4 presents present VBZ 39928 1864 5 the the DT 39928 1864 6 same same JJ 39928 1864 7 face face NN 39928 1864 8 to to IN 39928 1864 9 the the DT 39928 1864 10 sun sun NN 39928 1864 11 ; ; : 39928 1864 12 and and CC 39928 1864 13 while while IN 39928 1864 14 one one CD 39928 1864 15 half half NN 39928 1864 16 has have VBZ 39928 1864 17 a a DT 39928 1864 18 perpetual perpetual JJ 39928 1864 19 day day NN 39928 1864 20 , , , 39928 1864 21 the the DT 39928 1864 22 other other JJ 39928 1864 23 half half NN 39928 1864 24 has have VBZ 39928 1864 25 perpetual perpetual JJ 39928 1864 26 night night NN 39928 1864 27 , , , 39928 1864 28 with with IN 39928 1864 29 perpetual perpetual JJ 39928 1864 30 twilight twilight NN 39928 1864 31 through through IN 39928 1864 32 refraction refraction NN 39928 1864 33 in in IN 39928 1864 34 a a DT 39928 1864 35 narrow narrow JJ 39928 1864 36 belt belt NN 39928 1864 37 adjoining adjoin VBG 39928 1864 38 the the DT 39928 1864 39 illuminated illuminate VBN 39928 1864 40 half half NN 39928 1864 41 . . . 39928 1865 1 But but CC 39928 1865 2 the the DT 39928 1865 3 side side NN 39928 1865 4 that that WDT 39928 1865 5 never never RB 39928 1865 6 receives receive VBZ 39928 1865 7 the the DT 39928 1865 8 direct direct JJ 39928 1865 9 rays ray NNS 39928 1865 10 of of IN 39928 1865 11 the the DT 39928 1865 12 sun sun NN 39928 1865 13 must must MD 39928 1865 14 be be VB 39928 1865 15 intensely intensely RB 39928 1865 16 cold cold JJ 39928 1865 17 , , , 39928 1865 18 approximating approximating JJ 39928 1865 19 , , , 39928 1865 20 in in IN 39928 1865 21 the the DT 39928 1865 22 central central JJ 39928 1865 23 portions portion NNS 39928 1865 24 , , , 39928 1865 25 to to IN 39928 1865 26 the the DT 39928 1865 27 zero zero CD 39928 1865 28 of of IN 39928 1865 29 temperature temperature NN 39928 1865 30 , , , 39928 1865 31 while while IN 39928 1865 32 the the DT 39928 1865 33 half half NN 39928 1865 34 exposed expose VBN 39928 1865 35 to to IN 39928 1865 36 perpetual perpetual JJ 39928 1865 37 sunshine sunshine NN 39928 1865 38 of of IN 39928 1865 39 double double JJ 39928 1865 40 intensity intensity NN 39928 1865 41 to to IN 39928 1865 42 ours our NNS 39928 1865 43 must must MD 39928 1865 44 almost almost RB 39928 1865 45 certainly certainly RB 39928 1865 46 rise rise VB 39928 1865 47 to to IN 39928 1865 48 a a DT 39928 1865 49 temperature temperature NN 39928 1865 50 far far RB 39928 1865 51 too too RB 39928 1865 52 great great JJ 39928 1865 53 for for IN 39928 1865 54 the the DT 39928 1865 55 existence existence NN 39928 1865 56 of of IN 39928 1865 57 protoplasm protoplasm NN 39928 1865 58 , , , 39928 1865 59 and and CC 39928 1865 60 probably probably RB 39928 1865 61 , , , 39928 1865 62 therefore therefore RB 39928 1865 63 , , , 39928 1865 64 of of IN 39928 1865 65 any any DT 39928 1865 66 form form NN 39928 1865 67 of of IN 39928 1865 68 animal animal NN 39928 1865 69 life life NN 39928 1865 70 . . . 39928 1866 1 Venus Venus NNP 39928 1866 2 appears appear VBZ 39928 1866 3 to to TO 39928 1866 4 have have VB 39928 1866 5 a a DT 39928 1866 6 dense dense JJ 39928 1866 7 atmosphere atmosphere NN 39928 1866 8 , , , 39928 1866 9 and and CC 39928 1866 10 its -PRON- PRP$ 39928 1866 11 brilliancy brilliancy NN 39928 1866 12 suggests suggest VBZ 39928 1866 13 that that IN 39928 1866 14 we -PRON- PRP 39928 1866 15 see see VBP 39928 1866 16 the the DT 39928 1866 17 upper upper JJ 39928 1866 18 surface surface NN 39928 1866 19 of of IN 39928 1866 20 a a DT 39928 1866 21 cloud cloud NN 39928 1866 22 - - HYPH 39928 1866 23 canopy canopy NN 39928 1866 24 , , , 39928 1866 25 and and CC 39928 1866 26 this this DT 39928 1866 27 would would MD 39928 1866 28 no no RB 39928 1866 29 doubt doubt RB 39928 1866 30 greatly greatly RB 39928 1866 31 reduce reduce VBP 39928 1866 32 the the DT 39928 1866 33 excessive excessive JJ 39928 1866 34 solar solar JJ 39928 1866 35 heat heat NN 39928 1866 36 . . . 39928 1867 1 Its -PRON- PRP$ 39928 1867 2 mass mass NN 39928 1867 3 , , , 39928 1867 4 being be VBG 39928 1867 5 a a DT 39928 1867 6 little little JJ 39928 1867 7 more more JJR 39928 1867 8 than than IN 39928 1867 9 three three CD 39928 1867 10 - - HYPH 39928 1867 11 fourths fourth NNS 39928 1867 12 that that DT 39928 1867 13 of of IN 39928 1867 14 the the DT 39928 1867 15 earth earth NN 39928 1867 16 , , , 39928 1867 17 would would MD 39928 1867 18 enable enable VB 39928 1867 19 it -PRON- PRP 39928 1867 20 to to TO 39928 1867 21 retain retain VB 39928 1867 22 the the DT 39928 1867 23 same same JJ 39928 1867 24 gases gas NNS 39928 1867 25 as as IN 39928 1867 26 we -PRON- PRP 39928 1867 27 possess possess VBP 39928 1867 28 . . . 39928 1868 1 But but CC 39928 1868 2 under under IN 39928 1868 3 the the DT 39928 1868 4 extraordinary extraordinary JJ 39928 1868 5 conditions condition NNS 39928 1868 6 that that WDT 39928 1868 7 prevail prevail VBP 39928 1868 8 on on IN 39928 1868 9 the the DT 39928 1868 10 surface surface NN 39928 1868 11 of of IN 39928 1868 12 this this DT 39928 1868 13 planet planet NN 39928 1868 14 , , , 39928 1868 15 it -PRON- PRP 39928 1868 16 is be VBZ 39928 1868 17 hardly hardly RB 39928 1868 18 possible possible JJ 39928 1868 19 that that IN 39928 1868 20 the the DT 39928 1868 21 temperature temperature NN 39928 1868 22 of of IN 39928 1868 23 the the DT 39928 1868 24 illuminated illuminate VBN 39928 1868 25 side side NN 39928 1868 26 can can MD 39928 1868 27 be be VB 39928 1868 28 preserved preserve VBN 39928 1868 29 in in IN 39928 1868 30 a a DT 39928 1868 31 sufficient sufficient JJ 39928 1868 32 state state NN 39928 1868 33 of of IN 39928 1868 34 uniformity uniformity NN 39928 1868 35 for for IN 39928 1868 36 the the DT 39928 1868 37 development development NN 39928 1868 38 of of IN 39928 1868 39 life life NN 39928 1868 40 in in IN 39928 1868 41 any any DT 39928 1868 42 of of IN 39928 1868 43 its -PRON- PRP$ 39928 1868 44 higher high JJR 39928 1868 45 forms form NNS 39928 1868 46 . . . 39928 1869 1 Mercury Mercury NNP 39928 1869 2 possesses possess VBZ 39928 1869 3 the the DT 39928 1869 4 same same JJ 39928 1869 5 peculiarity peculiarity NN 39928 1869 6 of of IN 39928 1869 7 keeping keep VBG 39928 1869 8 one one CD 39928 1869 9 face face NN 39928 1869 10 always always RB 39928 1869 11 towards towards IN 39928 1869 12 the the DT 39928 1869 13 sun sun NN 39928 1869 14 , , , 39928 1869 15 and and CC 39928 1869 16 as as IN 39928 1869 17 it -PRON- PRP 39928 1869 18 is be VBZ 39928 1869 19 so so RB 39928 1869 20 much much RB 39928 1869 21 smaller small JJR 39928 1869 22 and and CC 39928 1869 23 so so RB 39928 1869 24 much much RB 39928 1869 25 nearer near JJR 39928 1869 26 the the DT 39928 1869 27 sun sun NN 39928 1869 28 its -PRON- PRP$ 39928 1869 29 contrasts contrast NNS 39928 1869 30 of of IN 39928 1869 31 heat heat NN 39928 1869 32 and and CC 39928 1869 33 cold cold JJ 39928 1869 34 must must MD 39928 1869 35 be be VB 39928 1869 36 still still RB 39928 1869 37 more more RBR 39928 1869 38 excessive excessive JJ 39928 1869 39 , , , 39928 1869 40 and and CC 39928 1869 41 we -PRON- PRP 39928 1869 42 need need VBP 39928 1869 43 hardly hardly RB 39928 1869 44 discuss discuss VB 39928 1869 45 the the DT 39928 1869 46 possibility possibility NN 39928 1869 47 of of IN 39928 1869 48 this this DT 39928 1869 49 planet planet NN 39928 1869 50 being be VBG 39928 1869 51 habitable habitable JJ 39928 1869 52 . . . 39928 1870 1 Its -PRON- PRP$ 39928 1870 2 mass mass NN 39928 1870 3 being be VBG 39928 1870 4 only only RB 39928 1870 5 one one CD 39928 1870 6 - - HYPH 39928 1870 7 thirtieth thirtieth NN 39928 1870 8 that that DT 39928 1870 9 of of IN 39928 1870 10 the the DT 39928 1870 11 earth earth NN 39928 1870 12 , , , 39928 1870 13 water water NN 39928 1870 14 - - HYPH 39928 1870 15 vapour vapour NN 39928 1870 16 will will MD 39928 1870 17 certainly certainly RB 39928 1870 18 escape escape VB 39928 1870 19 from from IN 39928 1870 20 it -PRON- PRP 39928 1870 21 , , , 39928 1870 22 and and CC 39928 1870 23 , , , 39928 1870 24 most most RBS 39928 1870 25 probably probably RB 39928 1870 26 , , , 39928 1870 27 nitrogen nitrogen NN 39928 1870 28 and and CC 39928 1870 29 oxygen oxygen NN 39928 1870 30 also also RB 39928 1870 31 , , , 39928 1870 32 so so IN 39928 1870 33 that that IN 39928 1870 34 it -PRON- PRP 39928 1870 35 can can MD 39928 1870 36 possess possess VB 39928 1870 37 very very RB 39928 1870 38 little little JJ 39928 1870 39 atmosphere atmosphere NN 39928 1870 40 ; ; : 39928 1870 41 and and CC 39928 1870 42 this this DT 39928 1870 43 is be VBZ 39928 1870 44 indicated indicate VBN 39928 1870 45 by by IN 39928 1870 46 its -PRON- PRP$ 39928 1870 47 low low JJ 39928 1870 48 reflecting reflect VBG 39928 1870 49 power power NN 39928 1870 50 , , , 39928 1870 51 no no DT 39928 1870 52 less less JJR 39928 1870 53 than than IN 39928 1870 54 83 83 CD 39928 1870 55 per per NN 39928 1870 56 cent cent NN 39928 1870 57 . . . 39928 1871 1 of of IN 39928 1871 2 the the DT 39928 1871 3 sun sun NN 39928 1871 4 's 's POS 39928 1871 5 light light NN 39928 1871 6 being be VBG 39928 1871 7 absorbed absorb VBN 39928 1871 8 , , , 39928 1871 9 and and CC 39928 1871 10 only only RB 39928 1871 11 17 17 CD 39928 1871 12 per per NN 39928 1871 13 cent cent NN 39928 1871 14 . . . 39928 1872 1 reflected reflect VBN 39928 1872 2 , , , 39928 1872 3 whereas whereas IN 39928 1872 4 clouds cloud NNS 39928 1872 5 reflect reflect VBP 39928 1872 6 72 72 CD 39928 1872 7 per per NN 39928 1872 8 cent cent NN 39928 1872 9 . . . 39928 1873 1 This this DT 39928 1873 2 planet planet NN 39928 1873 3 is be VBZ 39928 1873 4 therefore therefore RB 39928 1873 5 intensely intensely RB 39928 1873 6 heated heated JJ 39928 1873 7 on on IN 39928 1873 8 one one CD 39928 1873 9 side side NN 39928 1873 10 and and CC 39928 1873 11 frozen freeze VBN 39928 1873 12 on on IN 39928 1873 13 the the DT 39928 1873 14 other other JJ 39928 1873 15 ; ; : 39928 1873 16 it -PRON- PRP 39928 1873 17 has have VBZ 39928 1873 18 no no DT 39928 1873 19 water water NN 39928 1873 20 and and CC 39928 1873 21 hardly hardly RB 39928 1873 22 any any DT 39928 1873 23 atmosphere atmosphere NN 39928 1873 24 , , , 39928 1873 25 and and CC 39928 1873 26 is be VBZ 39928 1873 27 therefore therefore RB 39928 1873 28 , , , 39928 1873 29 from from IN 39928 1873 30 every every DT 39928 1873 31 point point NN 39928 1873 32 of of IN 39928 1873 33 view view NN 39928 1873 34 , , , 39928 1873 35 totally totally RB 39928 1873 36 unfitted unfitted JJ 39928 1873 37 for for IN 39928 1873 38 supporting support VBG 39928 1873 39 living living NN 39928 1873 40 organisms organism NNS 39928 1873 41 . . . 39928 1874 1 Even even RB 39928 1874 2 if if IN 39928 1874 3 it -PRON- PRP 39928 1874 4 is be VBZ 39928 1874 5 supposed suppose VBN 39928 1874 6 that that IN 39928 1874 7 , , , 39928 1874 8 in in IN 39928 1874 9 the the DT 39928 1874 10 case case NN 39928 1874 11 of of IN 39928 1874 12 Venus Venus NNP 39928 1874 13 , , , 39928 1874 14 its -PRON- PRP$ 39928 1874 15 perpetual perpetual JJ 39928 1874 16 cloud cloud NN 39928 1874 17 - - HYPH 39928 1874 18 canopy canopy NN 39928 1874 19 may may MD 39928 1874 20 keep keep VB 39928 1874 21 down down RP 39928 1874 22 the the DT 39928 1874 23 surface surface NN 39928 1874 24 temperature temperature NN 39928 1874 25 within within IN 39928 1874 26 the the DT 39928 1874 27 limits limit NNS 39928 1874 28 necessary necessary JJ 39928 1874 29 for for IN 39928 1874 30 animal animal NN 39928 1874 31 life life NN 39928 1874 32 , , , 39928 1874 33 the the DT 39928 1874 34 extraordinary extraordinary JJ 39928 1874 35 turmoil turmoil NN 39928 1874 36 in in IN 39928 1874 37 its -PRON- PRP$ 39928 1874 38 atmosphere atmosphere NN 39928 1874 39 caused cause VBN 39928 1874 40 by by IN 39928 1874 41 the the DT 39928 1874 42 excessively excessively RB 39928 1874 43 contrasted contrast VBN 39928 1874 44 temperatures temperature NNS 39928 1874 45 of of IN 39928 1874 46 its -PRON- PRP$ 39928 1874 47 dark dark JJ 39928 1874 48 and and CC 39928 1874 49 light light JJ 39928 1874 50 hemispheres hemisphere NNS 39928 1874 51 must must MD 39928 1874 52 be be VB 39928 1874 53 extremely extremely RB 39928 1874 54 inimical inimical JJ 39928 1874 55 to to IN 39928 1874 56 life life NN 39928 1874 57 , , , 39928 1874 58 if if IN 39928 1874 59 not not RB 39928 1874 60 absolutely absolutely RB 39928 1874 61 prohibitive prohibitive JJ 39928 1874 62 of of IN 39928 1874 63 it -PRON- PRP 39928 1874 64 . . . 39928 1875 1 For for IN 39928 1875 2 on on IN 39928 1875 3 the the DT 39928 1875 4 greater great JJR 39928 1875 5 part part NN 39928 1875 6 of of IN 39928 1875 7 the the DT 39928 1875 8 hemisphere hemisphere NN 39928 1875 9 that that WDT 39928 1875 10 never never RB 39928 1875 11 receives receive VBZ 39928 1875 12 a a DT 39928 1875 13 ray ray NN 39928 1875 14 of of IN 39928 1875 15 light light NN 39928 1875 16 or or CC 39928 1875 17 heat heat NN 39928 1875 18 from from IN 39928 1875 19 the the DT 39928 1875 20 sun sun NN 39928 1875 21 all all PDT 39928 1875 22 the the DT 39928 1875 23 water water NN 39928 1875 24 and and CC 39928 1875 25 aqueous aqueous JJ 39928 1875 26 vapour vapour NN 39928 1875 27 must must MD 39928 1875 28 be be VB 39928 1875 29 turned turn VBN 39928 1875 30 into into IN 39928 1875 31 ice ice NN 39928 1875 32 or or CC 39928 1875 33 snow snow NN 39928 1875 34 , , , 39928 1875 35 and and CC 39928 1875 36 it -PRON- PRP 39928 1875 37 seems seem VBZ 39928 1875 38 almost almost RB 39928 1875 39 impossible impossible JJ 39928 1875 40 that that IN 39928 1875 41 the the DT 39928 1875 42 air air NN 39928 1875 43 itself -PRON- PRP 39928 1875 44 can can MD 39928 1875 45 escape escape VB 39928 1875 46 congelation congelation NN 39928 1875 47 . . . 39928 1876 1 It -PRON- PRP 39928 1876 2 could could MD 39928 1876 3 only only RB 39928 1876 4 do do VB 39928 1876 5 so so RB 39928 1876 6 by by IN 39928 1876 7 a a DT 39928 1876 8 very very RB 39928 1876 9 rapid rapid JJ 39928 1876 10 circulation circulation NN 39928 1876 11 of of IN 39928 1876 12 the the DT 39928 1876 13 whole whole JJ 39928 1876 14 atmosphere atmosphere NN 39928 1876 15 , , , 39928 1876 16 and and CC 39928 1876 17 this this DT 39928 1876 18 would would MD 39928 1876 19 certainly certainly RB 39928 1876 20 be be VB 39928 1876 21 produced produce VBN 39928 1876 22 by by IN 39928 1876 23 the the DT 39928 1876 24 enormous enormous JJ 39928 1876 25 and and CC 39928 1876 26 permanent permanent JJ 39928 1876 27 difference difference NN 39928 1876 28 of of IN 39928 1876 29 temperature temperature NN 39928 1876 30 between between IN 39928 1876 31 the the DT 39928 1876 32 two two CD 39928 1876 33 hemispheres hemisphere NNS 39928 1876 34 . . . 39928 1877 1 Indications indication NNS 39928 1877 2 of of IN 39928 1877 3 refraction refraction NN 39928 1877 4 by by IN 39928 1877 5 a a DT 39928 1877 6 dense dense JJ 39928 1877 7 atmosphere atmosphere NN 39928 1877 8 are be VBP 39928 1877 9 visible visible JJ 39928 1877 10 during during IN 39928 1877 11 the the DT 39928 1877 12 planet planet NN 39928 1877 13 's 's POS 39928 1877 14 transit transit NN 39928 1877 15 over over IN 39928 1877 16 the the DT 39928 1877 17 sun sun NN 39928 1877 18 's 's POS 39928 1877 19 disc disc NN 39928 1877 20 , , , 39928 1877 21 and and CC 39928 1877 22 also also RB 39928 1877 23 when when WRB 39928 1877 24 it -PRON- PRP 39928 1877 25 is be VBZ 39928 1877 26 in in IN 39928 1877 27 conjunction conjunction NN 39928 1877 28 with with IN 39928 1877 29 the the DT 39928 1877 30 sun sun NN 39928 1877 31 , , , 39928 1877 32 and and CC 39928 1877 33 the the DT 39928 1877 34 refraction refraction NN 39928 1877 35 is be VBZ 39928 1877 36 so so RB 39928 1877 37 great great JJ 39928 1877 38 that that IN 39928 1877 39 Venus Venus NNP 39928 1877 40 is be VBZ 39928 1877 41 believed believe VBN 39928 1877 42 to to TO 39928 1877 43 have have VB 39928 1877 44 an an DT 39928 1877 45 atmosphere atmosphere NN 39928 1877 46 much much RB 39928 1877 47 higher high JJR 39928 1877 48 than than IN 39928 1877 49 ours ours PRP$ 39928 1877 50 . . . 39928 1878 1 But but CC 39928 1878 2 during during IN 39928 1878 3 the the DT 39928 1878 4 rapid rapid JJ 39928 1878 5 circulation circulation NN 39928 1878 6 of of IN 39928 1878 7 such such PDT 39928 1878 8 an an DT 39928 1878 9 atmosphere atmosphere NN 39928 1878 10 , , , 39928 1878 11 heated heat VBN 39928 1878 12 on on IN 39928 1878 13 one one CD 39928 1878 14 half half NN 39928 1878 15 the the DT 39928 1878 16 planet planet NN 39928 1878 17 and and CC 39928 1878 18 cooled cool VBD 39928 1878 19 on on IN 39928 1878 20 the the DT 39928 1878 21 other other JJ 39928 1878 22 , , , 39928 1878 23 most most JJS 39928 1878 24 of of IN 39928 1878 25 the the DT 39928 1878 26 aqueous aqueous JJ 39928 1878 27 vapour vapour NN 39928 1878 28 must must MD 39928 1878 29 be be VB 39928 1878 30 taken take VBN 39928 1878 31 out out IN 39928 1878 32 of of IN 39928 1878 33 it -PRON- PRP 39928 1878 34 on on IN 39928 1878 35 the the DT 39928 1878 36 dark dark JJ 39928 1878 37 side side NN 39928 1878 38 as as RB 39928 1878 39 fast fast RB 39928 1878 40 as as IN 39928 1878 41 it -PRON- PRP 39928 1878 42 is be VBZ 39928 1878 43 produced produce VBN 39928 1878 44 on on IN 39928 1878 45 the the DT 39928 1878 46 heated heated JJ 39928 1878 47 side side NN 39928 1878 48 , , , 39928 1878 49 though though IN 39928 1878 50 sufficient sufficient JJ 39928 1878 51 may may MD 39928 1878 52 remain remain VB 39928 1878 53 to to TO 39928 1878 54 produce produce VB 39928 1878 55 a a DT 39928 1878 56 canopy canopy NN 39928 1878 57 of of IN 39928 1878 58 very very RB 39928 1878 59 lofty lofty JJ 39928 1878 60 clouds cloud NNS 39928 1878 61 analogous analogous JJ 39928 1878 62 to to IN 39928 1878 63 our -PRON- PRP$ 39928 1878 64 cirri cirri NN 39928 1878 65 . . . 39928 1879 1 The the DT 39928 1879 2 occasional occasional JJ 39928 1879 3 visibility visibility NN 39928 1879 4 of of IN 39928 1879 5 the the DT 39928 1879 6 dark dark JJ 39928 1879 7 side side NN 39928 1879 8 of of IN 39928 1879 9 Venus Venus NNP 39928 1879 10 may may MD 39928 1879 11 be be VB 39928 1879 12 caused cause VBN 39928 1879 13 by by IN 39928 1879 14 an an DT 39928 1879 15 electrical electrical JJ 39928 1879 16 glow glow NN 39928 1879 17 due due IN 39928 1879 18 to to IN 39928 1879 19 the the DT 39928 1879 20 friction friction NN 39928 1879 21 of of IN 39928 1879 22 the the DT 39928 1879 23 perpetually perpetually RB 39928 1879 24 overflowing overflow VBG 39928 1879 25 and and CC 39928 1879 26 inflowing inflowe VBG 39928 1879 27 atmosphere atmosphere NN 39928 1879 28 , , , 39928 1879 29 this this DT 39928 1879 30 being be VBG 39928 1879 31 increased increase VBN 39928 1879 32 by by IN 39928 1879 33 reflection reflection NN 39928 1879 34 from from IN 39928 1879 35 a a DT 39928 1879 36 vast vast JJ 39928 1879 37 surface surface NN 39928 1879 38 of of IN 39928 1879 39 perpetual perpetual JJ 39928 1879 40 snow snow NN 39928 1879 41 . . . 39928 1880 1 If if IN 39928 1880 2 we -PRON- PRP 39928 1880 3 consider consider VBP 39928 1880 4 all all PDT 39928 1880 5 the the DT 39928 1880 6 exceptional exceptional JJ 39928 1880 7 features feature NNS 39928 1880 8 of of IN 39928 1880 9 this this DT 39928 1880 10 planet planet NN 39928 1880 11 , , , 39928 1880 12 it -PRON- PRP 39928 1880 13 appears appear VBZ 39928 1880 14 certain certain JJ 39928 1880 15 that that IN 39928 1880 16 the the DT 39928 1880 17 conditions condition NNS 39928 1880 18 as as IN 39928 1880 19 regards regard VBZ 39928 1880 20 climate climate NN 39928 1880 21 can can MD 39928 1880 22 not not RB 39928 1880 23 now now RB 39928 1880 24 be be VB 39928 1880 25 such such JJ 39928 1880 26 as as IN 39928 1880 27 to to TO 39928 1880 28 maintain maintain VB 39928 1880 29 a a DT 39928 1880 30 temperature temperature NN 39928 1880 31 within within IN 39928 1880 32 the the DT 39928 1880 33 narrow narrow JJ 39928 1880 34 limits limit NNS 39928 1880 35 essential essential JJ 39928 1880 36 for for IN 39928 1880 37 life life NN 39928 1880 38 , , , 39928 1880 39 while while IN 39928 1880 40 there there EX 39928 1880 41 is be VBZ 39928 1880 42 little little JJ 39928 1880 43 probability probability NN 39928 1880 44 that that IN 39928 1880 45 at at IN 39928 1880 46 any any DT 39928 1880 47 earlier early JJR 39928 1880 48 period period NN 39928 1880 49 it -PRON- PRP 39928 1880 50 can can MD 39928 1880 51 have have VB 39928 1880 52 possessed possess VBN 39928 1880 53 and and CC 39928 1880 54 maintained maintain VBN 39928 1880 55 the the DT 39928 1880 56 necessary necessary JJ 39928 1880 57 stability stability NN 39928 1880 58 during during IN 39928 1880 59 the the DT 39928 1880 60 long long JJ 39928 1880 61 epochs epoch NNS 39928 1880 62 which which WDT 39928 1880 63 are be VBP 39928 1880 64 requisite requisite JJ 39928 1880 65 for for IN 39928 1880 66 its -PRON- PRP$ 39928 1880 67 development development NN 39928 1880 68 . . . 39928 1881 1 Before before IN 39928 1881 2 considering consider VBG 39928 1881 3 the the DT 39928 1881 4 condition condition NN 39928 1881 5 of of IN 39928 1881 6 the the DT 39928 1881 7 larger large JJR 39928 1881 8 planets planet NNS 39928 1881 9 , , , 39928 1881 10 it -PRON- PRP 39928 1881 11 will will MD 39928 1881 12 be be VB 39928 1881 13 well well JJ 39928 1881 14 to to TO 39928 1881 15 refer refer VB 39928 1881 16 to to IN 39928 1881 17 an an DT 39928 1881 18 argument argument NN 39928 1881 19 which which WDT 39928 1881 20 has have VBZ 39928 1881 21 been be VBN 39928 1881 22 supposed suppose VBN 39928 1881 23 to to TO 39928 1881 24 minimise minimise VB 39928 1881 25 the the DT 39928 1881 26 difficulties difficulty NNS 39928 1881 27 already already RB 39928 1881 28 stated state VBN 39928 1881 29 as as IN 39928 1881 30 to to IN 39928 1881 31 those those DT 39928 1881 32 planets planet NNS 39928 1881 33 which which WDT 39928 1881 34 approach approach VBP 39928 1881 35 nearest nearest RB 39928 1881 36 to to IN 39928 1881 37 the the DT 39928 1881 38 earth earth NN 39928 1881 39 in in IN 39928 1881 40 size size NN 39928 1881 41 and and CC 39928 1881 42 distance distance NN 39928 1881 43 from from IN 39928 1881 44 the the DT 39928 1881 45 sun sun NN 39928 1881 46 . . . 39928 1882 1 THE the DT 39928 1882 2 ARGUMENT argument NN 39928 1882 3 FROM from IN 39928 1882 4 EXTREME EXTREME NNP 39928 1882 5 CONDITIONS conditions NN 39928 1882 6 ON on IN 39928 1882 7 THE the DT 39928 1882 8 EARTH earth NN 39928 1882 9 In in IN 39928 1882 10 reply reply NN 39928 1882 11 to to IN 39928 1882 12 the the DT 39928 1882 13 evidence evidence NN 39928 1882 14 showing show VBG 39928 1882 15 how how WRB 39928 1882 16 nice nice JJ 39928 1882 17 are be VBP 39928 1882 18 the the DT 39928 1882 19 adaptations adaptation NNS 39928 1882 20 required require VBN 39928 1882 21 for for IN 39928 1882 22 life life NN 39928 1882 23 - - HYPH 39928 1882 24 development development NN 39928 1882 25 , , , 39928 1882 26 it -PRON- PRP 39928 1882 27 is be VBZ 39928 1882 28 often often RB 39928 1882 29 objected object VBN 39928 1882 30 that that IN 39928 1882 31 life life NN 39928 1882 32 does do VBZ 39928 1882 33 _ _ NNP 39928 1882 34 now now RB 39928 1882 35 _ _ NNP 39928 1882 36 exist exist VBP 39928 1882 37 under under IN 39928 1882 38 very very RB 39928 1882 39 extreme extreme JJ 39928 1882 40 conditions condition NNS 39928 1882 41 -- -- : 39928 1882 42 under under IN 39928 1882 43 tropic tropic NNP 39928 1882 44 heat heat NN 39928 1882 45 and and CC 39928 1882 46 arctic arctic NNP 39928 1882 47 snows snow VBZ 39928 1882 48 ; ; : 39928 1882 49 in in IN 39928 1882 50 the the DT 39928 1882 51 burnt burn VBN 39928 1882 52 - - HYPH 39928 1882 53 up up RP 39928 1882 54 desert desert NN 39928 1882 55 as as RB 39928 1882 56 well well RB 39928 1882 57 as as IN 39928 1882 58 in in IN 39928 1882 59 the the DT 39928 1882 60 moist moist JJ 39928 1882 61 tropical tropical JJ 39928 1882 62 forest forest NN 39928 1882 63 ; ; : 39928 1882 64 in in IN 39928 1882 65 the the DT 39928 1882 66 air air NN 39928 1882 67 as as RB 39928 1882 68 well well RB 39928 1882 69 as as IN 39928 1882 70 in in IN 39928 1882 71 the the DT 39928 1882 72 water water NN 39928 1882 73 ; ; : 39928 1882 74 on on IN 39928 1882 75 lofty lofty JJ 39928 1882 76 mountains mountain NNS 39928 1882 77 as as RB 39928 1882 78 well well RB 39928 1882 79 as as IN 39928 1882 80 on on IN 39928 1882 81 the the DT 39928 1882 82 level level NN 39928 1882 83 lowlands lowland NNS 39928 1882 84 . . . 39928 1883 1 This this DT 39928 1883 2 is be VBZ 39928 1883 3 no no DT 39928 1883 4 doubt doubt RB 39928 1883 5 true true JJ 39928 1883 6 , , , 39928 1883 7 but but CC 39928 1883 8 it -PRON- PRP 39928 1883 9 does do VBZ 39928 1883 10 not not RB 39928 1883 11 prove prove VB 39928 1883 12 that that IN 39928 1883 13 life life NN 39928 1883 14 could could MD 39928 1883 15 have have VB 39928 1883 16 been be VBN 39928 1883 17 developed develop VBN 39928 1883 18 in in IN 39928 1883 19 a a DT 39928 1883 20 world world NN 39928 1883 21 where where WRB 39928 1883 22 any any DT 39928 1883 23 of of IN 39928 1883 24 these these DT 39928 1883 25 extremes extreme NNS 39928 1883 26 of of IN 39928 1883 27 climate climate NN 39928 1883 28 characterised characterise VBD 39928 1883 29 the the DT 39928 1883 30 whole whole JJ 39928 1883 31 surface surface NN 39928 1883 32 . . . 39928 1884 1 The the DT 39928 1884 2 deserts desert NNS 39928 1884 3 are be VBP 39928 1884 4 inhabited inhabit VBN 39928 1884 5 because because IN 39928 1884 6 there there EX 39928 1884 7 are be VBP 39928 1884 8 oases oasis NNS 39928 1884 9 where where WRB 39928 1884 10 water water NN 39928 1884 11 is be VBZ 39928 1884 12 attainable attainable JJ 39928 1884 13 , , , 39928 1884 14 as as RB 39928 1884 15 well well RB 39928 1884 16 as as IN 39928 1884 17 in in IN 39928 1884 18 the the DT 39928 1884 19 surrounding surround VBG 39928 1884 20 fertile fertile JJ 39928 1884 21 areas area NNS 39928 1884 22 . . . 39928 1885 1 The the DT 39928 1885 2 arctic arctic JJ 39928 1885 3 regions region NNS 39928 1885 4 are be VBP 39928 1885 5 inhabited inhabit VBN 39928 1885 6 because because IN 39928 1885 7 there there EX 39928 1885 8 is be VBZ 39928 1885 9 a a DT 39928 1885 10 summer summer NN 39928 1885 11 , , , 39928 1885 12 and and CC 39928 1885 13 during during IN 39928 1885 14 that that DT 39928 1885 15 summer summer NN 39928 1885 16 there there EX 39928 1885 17 is be VBZ 39928 1885 18 vegetation vegetation NN 39928 1885 19 . . . 39928 1886 1 If if IN 39928 1886 2 the the DT 39928 1886 3 surface surface NN 39928 1886 4 of of IN 39928 1886 5 the the DT 39928 1886 6 ground ground NN 39928 1886 7 were be VBD 39928 1886 8 always always RB 39928 1886 9 frozen freeze VBN 39928 1886 10 , , , 39928 1886 11 there there EX 39928 1886 12 would would MD 39928 1886 13 be be VB 39928 1886 14 no no DT 39928 1886 15 vegetation vegetation NN 39928 1886 16 and and CC 39928 1886 17 no no DT 39928 1886 18 animal animal NN 39928 1886 19 life life NN 39928 1886 20 . . . 39928 1887 1 The the DT 39928 1887 2 late late JJ 39928 1887 3 Mr. Mr. NNP 39928 1887 4 R.A. R.A. NNP 39928 1887 5 Proctor Proctor NNP 39928 1887 6 put put VBD 39928 1887 7 this this DT 39928 1887 8 argument argument NN 39928 1887 9 of of IN 39928 1887 10 the the DT 39928 1887 11 diversity diversity NN 39928 1887 12 of of IN 39928 1887 13 conditions condition NNS 39928 1887 14 under under IN 39928 1887 15 which which WDT 39928 1887 16 life life NN 39928 1887 17 actually actually RB 39928 1887 18 does do VBZ 39928 1887 19 exist exist VB 39928 1887 20 on on IN 39928 1887 21 the the DT 39928 1887 22 earth earth NN 39928 1887 23 as as RB 39928 1887 24 well well RB 39928 1887 25 probably probably RB 39928 1887 26 as as IN 39928 1887 27 it -PRON- PRP 39928 1887 28 can can MD 39928 1887 29 be be VB 39928 1887 30 put put VBN 39928 1887 31 . . . 39928 1888 1 He -PRON- PRP 39928 1888 2 says say VBZ 39928 1888 3 : : : 39928 1888 4 ' ' `` 39928 1888 5 When when WRB 39928 1888 6 we -PRON- PRP 39928 1888 7 consider consider VBP 39928 1888 8 the the DT 39928 1888 9 various various JJ 39928 1888 10 conditions condition NNS 39928 1888 11 under under IN 39928 1888 12 which which WDT 39928 1888 13 life life NN 39928 1888 14 is be VBZ 39928 1888 15 found find VBN 39928 1888 16 to to TO 39928 1888 17 prevail prevail VB 39928 1888 18 , , , 39928 1888 19 that that IN 39928 1888 20 no no DT 39928 1888 21 difference difference NN 39928 1888 22 of of IN 39928 1888 23 climatic climatic JJ 39928 1888 24 relations relation NNS 39928 1888 25 , , , 39928 1888 26 or or CC 39928 1888 27 of of IN 39928 1888 28 elevation elevation NN 39928 1888 29 , , , 39928 1888 30 of of IN 39928 1888 31 land land NN 39928 1888 32 , , , 39928 1888 33 or or CC 39928 1888 34 of of IN 39928 1888 35 air air NN 39928 1888 36 , , , 39928 1888 37 or or CC 39928 1888 38 of of IN 39928 1888 39 water water NN 39928 1888 40 , , , 39928 1888 41 of of IN 39928 1888 42 soil soil NN 39928 1888 43 in in IN 39928 1888 44 land land NN 39928 1888 45 , , , 39928 1888 46 of of IN 39928 1888 47 freshness freshness NN 39928 1888 48 or or CC 39928 1888 49 saltness saltness NN 39928 1888 50 in in IN 39928 1888 51 water water NN 39928 1888 52 , , , 39928 1888 53 of of IN 39928 1888 54 density density NN 39928 1888 55 in in IN 39928 1888 56 air air NN 39928 1888 57 , , , 39928 1888 58 appears appear VBZ 39928 1888 59 ( ( -LRB- 39928 1888 60 so so RB 39928 1888 61 far far RB 39928 1888 62 as as IN 39928 1888 63 our -PRON- PRP$ 39928 1888 64 researches research NNS 39928 1888 65 have have VBP 39928 1888 66 extended extend VBN 39928 1888 67 ) ) -RRB- 39928 1888 68 to to TO 39928 1888 69 render render VB 39928 1888 70 life life NN 39928 1888 71 impossible impossible JJ 39928 1888 72 , , , 39928 1888 73 we -PRON- PRP 39928 1888 74 are be VBP 39928 1888 75 compelled compel VBN 39928 1888 76 to to TO 39928 1888 77 infer infer VB 39928 1888 78 that that IN 39928 1888 79 the the DT 39928 1888 80 power power NN 39928 1888 81 of of IN 39928 1888 82 supporting support VBG 39928 1888 83 life life NN 39928 1888 84 is be VBZ 39928 1888 85 a a DT 39928 1888 86 quality quality NN 39928 1888 87 which which WDT 39928 1888 88 has have VBZ 39928 1888 89 an an DT 39928 1888 90 exceedingly exceedingly RB 39928 1888 91 wide wide JJ 39928 1888 92 range range NN 39928 1888 93 in in IN 39928 1888 94 nature nature NN 39928 1888 95 . . . 39928 1888 96 ' ' '' 39928 1889 1 This this DT 39928 1889 2 is be VBZ 39928 1889 3 true true JJ 39928 1889 4 , , , 39928 1889 5 but but CC 39928 1889 6 with with IN 39928 1889 7 certain certain JJ 39928 1889 8 reservations reservation NNS 39928 1889 9 . . . 39928 1890 1 The the DT 39928 1890 2 only only JJ 39928 1890 3 species specie NNS 39928 1890 4 of of IN 39928 1890 5 animal animal NN 39928 1890 6 which which WDT 39928 1890 7 does do VBZ 39928 1890 8 really really RB 39928 1890 9 exist exist VB 39928 1890 10 under under IN 39928 1890 11 the the DT 39928 1890 12 most most RBS 39928 1890 13 varied varied JJ 39928 1890 14 conditions condition NNS 39928 1890 15 of of IN 39928 1890 16 climate climate NN 39928 1890 17 is be VBZ 39928 1890 18 man man NN 39928 1890 19 , , , 39928 1890 20 and and CC 39928 1890 21 he -PRON- PRP 39928 1890 22 does do VBZ 39928 1890 23 so so RB 39928 1890 24 because because IN 39928 1890 25 his -PRON- PRP$ 39928 1890 26 intellect intellect NN 39928 1890 27 renders render VBZ 39928 1890 28 him -PRON- PRP 39928 1890 29 to to IN 39928 1890 30 some some DT 39928 1890 31 extent extent NN 39928 1890 32 the the DT 39928 1890 33 ruler ruler NN 39928 1890 34 of of IN 39928 1890 35 nature nature NN 39928 1890 36 . . . 39928 1891 1 None none NN 39928 1891 2 of of IN 39928 1891 3 the the DT 39928 1891 4 lower low JJR 39928 1891 5 animals animal NNS 39928 1891 6 have have VBP 39928 1891 7 such such PDT 39928 1891 8 a a DT 39928 1891 9 wide wide JJ 39928 1891 10 range range NN 39928 1891 11 , , , 39928 1891 12 and and CC 39928 1891 13 the the DT 39928 1891 14 diversity diversity NN 39928 1891 15 of of IN 39928 1891 16 conditions condition NNS 39928 1891 17 is be VBZ 39928 1891 18 not not RB 39928 1891 19 really really RB 39928 1891 20 so so RB 39928 1891 21 great great JJ 39928 1891 22 as as IN 39928 1891 23 it -PRON- PRP 39928 1891 24 appears appear VBZ 39928 1891 25 to to TO 39928 1891 26 be be VB 39928 1891 27 . . . 39928 1892 1 The the DT 39928 1892 2 strict strict JJ 39928 1892 3 limits limit NNS 39928 1892 4 are be VBP 39928 1892 5 nowhere nowhere RB 39928 1892 6 permanently permanently RB 39928 1892 7 overpassed overpassed JJ 39928 1892 8 , , , 39928 1892 9 and and CC 39928 1892 10 there there EX 39928 1892 11 is be VBZ 39928 1892 12 always always RB 39928 1892 13 the the DT 39928 1892 14 change change NN 39928 1892 15 from from IN 39928 1892 16 winter winter NN 39928 1892 17 to to IN 39928 1892 18 summer summer NN 39928 1892 19 , , , 39928 1892 20 and and CC 39928 1892 21 the the DT 39928 1892 22 possibility possibility NN 39928 1892 23 of of IN 39928 1892 24 migration migration NN 39928 1892 25 to to IN 39928 1892 26 less less RBR 39928 1892 27 inhospitable inhospitable JJ 39928 1892 28 areas area NNS 39928 1892 29 . . . 39928 1893 1 THE the DT 39928 1893 2 GREAT great JJ 39928 1893 3 PLANETS planets NN 39928 1893 4 ALL all DT 39928 1893 5 UNINHABITABLE UNINHABITABLE NNP 39928 1893 6 Having have VBG 39928 1893 7 already already RB 39928 1893 8 shown show VBN 39928 1893 9 that that IN 39928 1893 10 the the DT 39928 1893 11 condition condition NN 39928 1893 12 of of IN 39928 1893 13 Mars Mars NNP 39928 1893 14 , , , 39928 1893 15 both both CC 39928 1893 16 as as IN 39928 1893 17 regards regard VBZ 39928 1893 18 water water NN 39928 1893 19 , , , 39928 1893 20 atmosphere atmosphere NN 39928 1893 21 , , , 39928 1893 22 and and CC 39928 1893 23 temperature temperature NN 39928 1893 24 , , , 39928 1893 25 is be VBZ 39928 1893 26 quite quite RB 39928 1893 27 unfitted unfitted JJ 39928 1893 28 to to TO 39928 1893 29 maintain maintain VB 39928 1893 30 life life NN 39928 1893 31 , , , 39928 1893 32 a a DT 39928 1893 33 view view NN 39928 1893 34 in in IN 39928 1893 35 which which WDT 39928 1893 36 both both DT 39928 1893 37 general general JJ 39928 1893 38 principles principle NNS 39928 1893 39 and and CC 39928 1893 40 telescopic telescopic NN 39928 1893 41 examination examination NN 39928 1893 42 perfectly perfectly RB 39928 1893 43 agree agree VBP 39928 1893 44 , , , 39928 1893 45 we -PRON- PRP 39928 1893 46 may may MD 39928 1893 47 pass pass VB 39928 1893 48 on on RP 39928 1893 49 to to IN 39928 1893 50 the the DT 39928 1893 51 outer outer JJ 39928 1893 52 planets planet NNS 39928 1893 53 , , , 39928 1893 54 which which WDT 39928 1893 55 , , , 39928 1893 56 however however RB 39928 1893 57 , , , 39928 1893 58 have have VBP 39928 1893 59 long long RB 39928 1893 60 been be VBN 39928 1893 61 given give VBN 39928 1893 62 up up RP 39928 1893 63 as as IN 39928 1893 64 adapted adapt VBN 39928 1893 65 for for IN 39928 1893 66 life life NN 39928 1893 67 even even RB 39928 1893 68 by by IN 39928 1893 69 the the DT 39928 1893 70 most most RBS 39928 1893 71 ardent ardent JJ 39928 1893 72 advocates advocate NNS 39928 1893 73 for for IN 39928 1893 74 ' ' `` 39928 1893 75 life life NN 39928 1893 76 in in IN 39928 1893 77 other other JJ 39928 1893 78 worlds world NNS 39928 1893 79 . . . 39928 1893 80 ' ' '' 39928 1894 1 Their -PRON- PRP$ 39928 1894 2 remoteness remoteness NN 39928 1894 3 from from IN 39928 1894 4 the the DT 39928 1894 5 sun sun NN 39928 1894 6 -- -- : 39928 1894 7 even even RB 39928 1894 8 Jupiter Jupiter NNP 39928 1894 9 being be VBG 39928 1894 10 five five CD 39928 1894 11 times time NNS 39928 1894 12 as as RB 39928 1894 13 far far RB 39928 1894 14 as as IN 39928 1894 15 the the DT 39928 1894 16 earth earth NN 39928 1894 17 , , , 39928 1894 18 and and CC 39928 1894 19 therefore therefore RB 39928 1894 20 receiving receive VBG 39928 1894 21 only only RB 39928 1894 22 one one CD 39928 1894 23 twenty twenty CD 39928 1894 24 - - HYPH 39928 1894 25 fifth fifth NN 39928 1894 26 of of IN 39928 1894 27 the the DT 39928 1894 28 light light NN 39928 1894 29 and and CC 39928 1894 30 heat heat VBP 39928 1894 31 that that WDT 39928 1894 32 we -PRON- PRP 39928 1894 33 receive receive VBP 39928 1894 34 per per IN 39928 1894 35 unit unit NN 39928 1894 36 of of IN 39928 1894 37 surface surface NN 39928 1894 38 -- -- : 39928 1894 39 renders render VBZ 39928 1894 40 it -PRON- PRP 39928 1894 41 almost almost RB 39928 1894 42 impossible impossible JJ 39928 1894 43 , , , 39928 1894 44 even even RB 39928 1894 45 if if IN 39928 1894 46 other other JJ 39928 1894 47 conditions condition NNS 39928 1894 48 were be VBD 39928 1894 49 favourable favourable JJ 39928 1894 50 , , , 39928 1894 51 that that IN 39928 1894 52 they -PRON- PRP 39928 1894 53 should should MD 39928 1894 54 possess possess VB 39928 1894 55 surface surface NN 39928 1894 56 - - HYPH 39928 1894 57 temperatures temperature NNS 39928 1894 58 adequate adequate JJ 39928 1894 59 to to IN 39928 1894 60 the the DT 39928 1894 61 necessities necessity NNS 39928 1894 62 of of IN 39928 1894 63 organic organic JJ 39928 1894 64 life life NN 39928 1894 65 . . . 39928 1895 1 But but CC 39928 1895 2 their -PRON- PRP$ 39928 1895 3 very very RB 39928 1895 4 low low JJ 39928 1895 5 densities density NNS 39928 1895 6 , , , 39928 1895 7 combined combine VBN 39928 1895 8 with with IN 39928 1895 9 very very RB 39928 1895 10 large large JJ 39928 1895 11 size size NN 39928 1895 12 , , , 39928 1895 13 renders render VBZ 39928 1895 14 it -PRON- PRP 39928 1895 15 certain certain JJ 39928 1895 16 that that IN 39928 1895 17 they -PRON- PRP 39928 1895 18 none none NN 39928 1895 19 of of IN 39928 1895 20 them -PRON- PRP 39928 1895 21 have have VBP 39928 1895 22 a a DT 39928 1895 23 solidified solidify VBN 39928 1895 24 surface surface NN 39928 1895 25 , , , 39928 1895 26 or or CC 39928 1895 27 even even RB 39928 1895 28 the the DT 39928 1895 29 elements element NNS 39928 1895 30 from from IN 39928 1895 31 which which WDT 39928 1895 32 such such PDT 39928 1895 33 a a DT 39928 1895 34 surface surface NN 39928 1895 35 could could MD 39928 1895 36 be be VB 39928 1895 37 formed form VBN 39928 1895 38 . . . 39928 1896 1 It -PRON- PRP 39928 1896 2 is be VBZ 39928 1896 3 supposed suppose VBN 39928 1896 4 that that IN 39928 1896 5 Jupiter Jupiter NNP 39928 1896 6 and and CC 39928 1896 7 Saturn Saturn NNP 39928 1896 8 , , , 39928 1896 9 as as RB 39928 1896 10 well well RB 39928 1896 11 as as IN 39928 1896 12 Uranus Uranus NNP 39928 1896 13 and and CC 39928 1896 14 Neptune Neptune NNP 39928 1896 15 , , , 39928 1896 16 retain retain VB 39928 1896 17 a a DT 39928 1896 18 considerable considerable JJ 39928 1896 19 amount amount NN 39928 1896 20 of of IN 39928 1896 21 internal internal JJ 39928 1896 22 heat heat NN 39928 1896 23 , , , 39928 1896 24 but but CC 39928 1896 25 certainly certainly RB 39928 1896 26 not not RB 39928 1896 27 sufficient sufficient JJ 39928 1896 28 to to TO 39928 1896 29 keep keep VB 39928 1896 30 the the DT 39928 1896 31 metallic metallic JJ 39928 1896 32 and and CC 39928 1896 33 other other JJ 39928 1896 34 elements element NNS 39928 1896 35 of of IN 39928 1896 36 which which WDT 39928 1896 37 the the DT 39928 1896 38 sun sun NN 39928 1896 39 and and CC 39928 1896 40 earth earth NN 39928 1896 41 consist consist VBP 39928 1896 42 in in IN 39928 1896 43 a a DT 39928 1896 44 state state NN 39928 1896 45 of of IN 39928 1896 46 vapour vapour NN 39928 1896 47 , , , 39928 1896 48 for for IN 39928 1896 49 if if IN 39928 1896 50 so so RB 39928 1896 51 they -PRON- PRP 39928 1896 52 would would MD 39928 1896 53 be be VB 39928 1896 54 planetary planetary JJ 39928 1896 55 stars star NNS 39928 1896 56 and and CC 39928 1896 57 would would MD 39928 1896 58 shine shine VB 39928 1896 59 by by IN 39928 1896 60 their -PRON- PRP$ 39928 1896 61 own own JJ 39928 1896 62 light light NN 39928 1896 63 . . . 39928 1897 1 And and CC 39928 1897 2 if if IN 39928 1897 3 any any DT 39928 1897 4 considerable considerable JJ 39928 1897 5 portion portion NN 39928 1897 6 of of IN 39928 1897 7 their -PRON- PRP$ 39928 1897 8 bulk bulk NN 39928 1897 9 consisted consist VBD 39928 1897 10 of of IN 39928 1897 11 these these DT 39928 1897 12 elements element NNS 39928 1897 13 , , , 39928 1897 14 whether whether IN 39928 1897 15 in in IN 39928 1897 16 a a DT 39928 1897 17 solid solid JJ 39928 1897 18 or or CC 39928 1897 19 a a DT 39928 1897 20 liquid liquid JJ 39928 1897 21 state state NN 39928 1897 22 , , , 39928 1897 23 their -PRON- PRP$ 39928 1897 24 densities density NNS 39928 1897 25 would would MD 39928 1897 26 necessarily necessarily RB 39928 1897 27 be be VB 39928 1897 28 much much RB 39928 1897 29 greater great JJR 39928 1897 30 than than IN 39928 1897 31 that that DT 39928 1897 32 of of IN 39928 1897 33 the the DT 39928 1897 34 earth earth NN 39928 1897 35 instead instead RB 39928 1897 36 of of IN 39928 1897 37 very very RB 39928 1897 38 much much RB 39928 1897 39 less less JJR 39928 1897 40 -- -- : 39928 1897 41 Jupiter Jupiter NNP 39928 1897 42 is be VBZ 39928 1897 43 under under IN 39928 1897 44 one one CD 39928 1897 45 - - HYPH 39928 1897 46 fourth fourth NN 39928 1897 47 the the DT 39928 1897 48 density density NN 39928 1897 49 of of IN 39928 1897 50 the the DT 39928 1897 51 earth earth NN 39928 1897 52 , , , 39928 1897 53 Saturn Saturn NNP 39928 1897 54 under under IN 39928 1897 55 an an DT 39928 1897 56 eighth eighth JJ 39928 1897 57 , , , 39928 1897 58 while while IN 39928 1897 59 Uranus Uranus NNP 39928 1897 60 and and CC 39928 1897 61 Neptune Neptune NNP 39928 1897 62 are be VBP 39928 1897 63 of of IN 39928 1897 64 intermediate intermediate JJ 39928 1897 65 densities density NNS 39928 1897 66 , , , 39928 1897 67 though though IN 39928 1897 68 much much RB 39928 1897 69 less less JJR 39928 1897 70 in in IN 39928 1897 71 bulk bulk NN 39928 1897 72 even even RB 39928 1897 73 than than IN 39928 1897 74 Saturn Saturn NNP 39928 1897 75 . . . 39928 1898 1 It -PRON- PRP 39928 1898 2 thus thus RB 39928 1898 3 appears appear VBZ 39928 1898 4 that that IN 39928 1898 5 the the DT 39928 1898 6 solar solar JJ 39928 1898 7 system system NN 39928 1898 8 consists consist VBZ 39928 1898 9 of of IN 39928 1898 10 two two CD 39928 1898 11 groups group NNS 39928 1898 12 of of IN 39928 1898 13 planets planet NNS 39928 1898 14 which which WDT 39928 1898 15 differ differ VBP 39928 1898 16 widely widely RB 39928 1898 17 from from IN 39928 1898 18 each each DT 39928 1898 19 other other JJ 39928 1898 20 . . . 39928 1899 1 The the DT 39928 1899 2 outer outer JJ 39928 1899 3 group group NN 39928 1899 4 of of IN 39928 1899 5 four four CD 39928 1899 6 very very RB 39928 1899 7 large large JJ 39928 1899 8 planets planet NNS 39928 1899 9 are be VBP 39928 1899 10 almost almost RB 39928 1899 11 wholly wholly RB 39928 1899 12 gaseous gaseous JJ 39928 1899 13 , , , 39928 1899 14 and and CC 39928 1899 15 probably probably RB 39928 1899 16 consist consist VB 39928 1899 17 of of IN 39928 1899 18 the the DT 39928 1899 19 permanent permanent JJ 39928 1899 20 gases gas NNS 39928 1899 21 -- -- : 39928 1899 22 those those DT 39928 1899 23 which which WDT 39928 1899 24 can can MD 39928 1899 25 only only RB 39928 1899 26 be be VB 39928 1899 27 liquefied liquefy VBN 39928 1899 28 or or CC 39928 1899 29 solidified solidify VBN 39928 1899 30 at at IN 39928 1899 31 a a DT 39928 1899 32 very very RB 39928 1899 33 low low JJ 39928 1899 34 temperature temperature NN 39928 1899 35 . . . 39928 1900 1 In in IN 39928 1900 2 no no DT 39928 1900 3 other other JJ 39928 1900 4 way way NN 39928 1900 5 can can MD 39928 1900 6 their -PRON- PRP$ 39928 1900 7 small small JJ 39928 1900 8 density density NN 39928 1900 9 combined combine VBN 39928 1900 10 with with IN 39928 1900 11 enormous enormous JJ 39928 1900 12 bulk bulk NN 39928 1900 13 be be VB 39928 1900 14 accounted account VBN 39928 1900 15 for for IN 39928 1900 16 . . . 39928 1901 1 The the DT 39928 1901 2 inner inner JJ 39928 1901 3 group group NN 39928 1901 4 also also RB 39928 1901 5 of of IN 39928 1901 6 four four CD 39928 1901 7 planets planet NNS 39928 1901 8 are be VBP 39928 1901 9 totally totally RB 39928 1901 10 unlike unlike IN 39928 1901 11 the the DT 39928 1901 12 preceding preceding NN 39928 1901 13 . . . 39928 1902 1 They -PRON- PRP 39928 1902 2 are be VBP 39928 1902 3 all all DT 39928 1902 4 of of IN 39928 1902 5 small small JJ 39928 1902 6 size size NN 39928 1902 7 , , , 39928 1902 8 the the DT 39928 1902 9 earth earth NN 39928 1902 10 being be VBG 39928 1902 11 the the DT 39928 1902 12 largest large JJS 39928 1902 13 . . . 39928 1903 1 They -PRON- PRP 39928 1903 2 are be VBP 39928 1903 3 all all DT 39928 1903 4 of of IN 39928 1903 5 a a DT 39928 1903 6 density density NN 39928 1903 7 roughly roughly RB 39928 1903 8 proportionate proportionate JJ 39928 1903 9 to to IN 39928 1903 10 their -PRON- PRP$ 39928 1903 11 bulk bulk NN 39928 1903 12 . . . 39928 1904 1 The the DT 39928 1904 2 earth earth NN 39928 1904 3 is be VBZ 39928 1904 4 both both CC 39928 1904 5 the the DT 39928 1904 6 largest large JJS 39928 1904 7 and and CC 39928 1904 8 the the DT 39928 1904 9 densest dense JJS 39928 1904 10 of of IN 39928 1904 11 the the DT 39928 1904 12 group group NN 39928 1904 13 ; ; : 39928 1904 14 not not RB 39928 1904 15 only only RB 39928 1904 16 is be VBZ 39928 1904 17 it -PRON- PRP 39928 1904 18 situated situate VBN 39928 1904 19 at at IN 39928 1904 20 that that DT 39928 1904 21 distance distance NN 39928 1904 22 from from IN 39928 1904 23 the the DT 39928 1904 24 sun sun NN 39928 1904 25 which which WDT 39928 1904 26 , , , 39928 1904 27 through through IN 39928 1904 28 solar solar JJ 39928 1904 29 heat heat NN 39928 1904 30 alone alone RB 39928 1904 31 , , , 39928 1904 32 allows allow VBZ 39928 1904 33 water water NN 39928 1904 34 to to TO 39928 1904 35 remain remain VB 39928 1904 36 in in IN 39928 1904 37 the the DT 39928 1904 38 liquid liquid JJ 39928 1904 39 state state NN 39928 1904 40 over over IN 39928 1904 41 almost almost RB 39928 1904 42 the the DT 39928 1904 43 whole whole NN 39928 1904 44 of of IN 39928 1904 45 its -PRON- PRP$ 39928 1904 46 surface surface NN 39928 1904 47 , , , 39928 1904 48 but but CC 39928 1904 49 it -PRON- PRP 39928 1904 50 possesses possess VBZ 39928 1904 51 numerous numerous JJ 39928 1904 52 characteristics characteristic NNS 39928 1904 53 which which WDT 39928 1904 54 secure secure VBP 39928 1904 55 a a DT 39928 1904 56 very very RB 39928 1904 57 equable equable JJ 39928 1904 58 temperature temperature NN 39928 1904 59 , , , 39928 1904 60 and and CC 39928 1904 61 which which WDT 39928 1904 62 have have VBP 39928 1904 63 secured secure VBN 39928 1904 64 to to IN 39928 1904 65 it -PRON- PRP 39928 1904 66 very very RB 39928 1904 67 nearly nearly RB 39928 1904 68 the the DT 39928 1904 69 same same JJ 39928 1904 70 temperature temperature NN 39928 1904 71 during during IN 39928 1904 72 those those DT 39928 1904 73 enormous enormous JJ 39928 1904 74 geological geological JJ 39928 1904 75 periods period NNS 39928 1904 76 in in IN 39928 1904 77 which which WDT 39928 1904 78 terrestrial terrestrial JJ 39928 1904 79 life life NN 39928 1904 80 has have VBZ 39928 1904 81 existed exist VBN 39928 1904 82 . . . 39928 1905 1 We -PRON- PRP 39928 1905 2 have have VBP 39928 1905 3 already already RB 39928 1905 4 shown show VBN 39928 1905 5 that that IN 39928 1905 6 no no DT 39928 1905 7 other other JJ 39928 1905 8 planet planet NN 39928 1905 9 possesses possess VBZ 39928 1905 10 these these DT 39928 1905 11 characteristics characteristic NNS 39928 1905 12 now now RB 39928 1905 13 , , , 39928 1905 14 and and CC 39928 1905 15 it -PRON- PRP 39928 1905 16 is be VBZ 39928 1905 17 almost almost RB 39928 1905 18 equally equally RB 39928 1905 19 certain certain JJ 39928 1905 20 that that IN 39928 1905 21 they -PRON- PRP 39928 1905 22 never never RB 39928 1905 23 have have VBP 39928 1905 24 possessed possess VBN 39928 1905 25 them -PRON- PRP 39928 1905 26 in in IN 39928 1905 27 the the DT 39928 1905 28 past past NN 39928 1905 29 , , , 39928 1905 30 and and CC 39928 1905 31 never never RB 39928 1905 32 will will MD 39928 1905 33 possess possess VB 39928 1905 34 them -PRON- PRP 39928 1905 35 in in IN 39928 1905 36 the the DT 39928 1905 37 future future NN 39928 1905 38 . . . 39928 1906 1 A a DT 39928 1906 2 LAST last JJ 39928 1906 3 ARGUMENT argument NN 39928 1906 4 FOR for IN 39928 1906 5 HABITABILITY HABITABILITY NNS 39928 1906 6 OF of IN 39928 1906 7 THE the DT 39928 1906 8 PLANETS PLANETS NNP 39928 1906 9 Although although IN 39928 1906 10 it -PRON- PRP 39928 1906 11 has have VBZ 39928 1906 12 been be VBN 39928 1906 13 admitted admit VBN 39928 1906 14 by by IN 39928 1906 15 the the DT 39928 1906 16 late late JJ 39928 1906 17 Mr. Mr. NNP 39928 1906 18 Proctor Proctor NNP 39928 1906 19 and and CC 39928 1906 20 some some DT 39928 1906 21 other other JJ 39928 1906 22 astronomers astronomer NNS 39928 1906 23 that that WDT 39928 1906 24 most most JJS 39928 1906 25 of of IN 39928 1906 26 the the DT 39928 1906 27 planets planet NNS 39928 1906 28 are be VBP 39928 1906 29 not not RB 39928 1906 30 _ _ NNP 39928 1906 31 now now RB 39928 1906 32 _ _ NNP 39928 1906 33 habitable habitable NN 39928 1906 34 , , , 39928 1906 35 yet yet RB 39928 1906 36 , , , 39928 1906 37 it -PRON- PRP 39928 1906 38 is be VBZ 39928 1906 39 often often RB 39928 1906 40 urged urge VBN 39928 1906 41 , , , 39928 1906 42 they -PRON- PRP 39928 1906 43 may may MD 39928 1906 44 have have VB 39928 1906 45 been be VBN 39928 1906 46 so so RB 39928 1906 47 in in IN 39928 1906 48 the the DT 39928 1906 49 past past NN 39928 1906 50 or or CC 39928 1906 51 may may MD 39928 1906 52 become become VB 39928 1906 53 so so RB 39928 1906 54 in in IN 39928 1906 55 the the DT 39928 1906 56 future future NN 39928 1906 57 . . . 39928 1907 1 Some some DT 39928 1907 2 are be VBP 39928 1907 3 now now RB 39928 1907 4 too too RB 39928 1907 5 hot hot JJ 39928 1907 6 , , , 39928 1907 7 others other NNS 39928 1907 8 are be VBP 39928 1907 9 now now RB 39928 1907 10 too too RB 39928 1907 11 cold cold JJ 39928 1907 12 ; ; : 39928 1907 13 some some DT 39928 1907 14 have have VBP 39928 1907 15 now now RB 39928 1907 16 no no DT 39928 1907 17 water water NN 39928 1907 18 , , , 39928 1907 19 others other NNS 39928 1907 20 have have VBP 39928 1907 21 too too RB 39928 1907 22 much much JJ 39928 1907 23 ; ; : 39928 1907 24 but but CC 39928 1907 25 all all DT 39928 1907 26 go go VBP 39928 1907 27 through through IN 39928 1907 28 their -PRON- PRP$ 39928 1907 29 appointed appoint VBN 39928 1907 30 series series NN 39928 1907 31 of of IN 39928 1907 32 stages stage NNS 39928 1907 33 , , , 39928 1907 34 and and CC 39928 1907 35 during during IN 39928 1907 36 some some DT 39928 1907 37 of of IN 39928 1907 38 these these DT 39928 1907 39 stages stage NNS 39928 1907 40 life life NN 39928 1907 41 may may MD 39928 1907 42 be be VB 39928 1907 43 or or CC 39928 1907 44 may may MD 39928 1907 45 have have VB 39928 1907 46 been be VBN 39928 1907 47 possible possible JJ 39928 1907 48 . . . 39928 1908 1 This this DT 39928 1908 2 argument argument NN 39928 1908 3 , , , 39928 1908 4 although although IN 39928 1908 5 vague vague JJ 39928 1908 6 , , , 39928 1908 7 will will MD 39928 1908 8 appeal appeal VB 39928 1908 9 to to IN 39928 1908 10 some some DT 39928 1908 11 readers reader NNS 39928 1908 12 , , , 39928 1908 13 and and CC 39928 1908 14 it -PRON- PRP 39928 1908 15 may may MD 39928 1908 16 , , , 39928 1908 17 therefore therefore RB 39928 1908 18 , , , 39928 1908 19 be be VB 39928 1908 20 necessary necessary JJ 39928 1908 21 to to TO 39928 1908 22 reply reply VB 39928 1908 23 to to IN 39928 1908 24 it -PRON- PRP 39928 1908 25 . . . 39928 1909 1 This this DT 39928 1909 2 is be VBZ 39928 1909 3 the the DT 39928 1909 4 more more RBR 39928 1909 5 necessary necessary JJ 39928 1909 6 as as IN 39928 1909 7 it -PRON- PRP 39928 1909 8 is be VBZ 39928 1909 9 still still RB 39928 1909 10 made make VBN 39928 1909 11 use use NN 39928 1909 12 of of IN 39928 1909 13 by by IN 39928 1909 14 astronomers astronomer NNS 39928 1909 15 . . . 39928 1910 1 In in IN 39928 1910 2 a a DT 39928 1910 3 criticism criticism NN 39928 1910 4 of of IN 39928 1910 5 my -PRON- PRP$ 39928 1910 6 article article NN 39928 1910 7 in in IN 39928 1910 8 _ _ NNP 39928 1910 9 The the DT 39928 1910 10 Fortnightly Fortnightly NNP 39928 1910 11 Review Review NNP 39928 1910 12 _ _ NNP 39928 1910 13 , , , 39928 1910 14 M. M. NNP 39928 1910 15 Camille Camille NNP 39928 1910 16 Flammarion Flammarion NNP 39928 1910 17 , , , 39928 1910 18 of of IN 39928 1910 19 the the DT 39928 1910 20 Paris Paris NNP 39928 1910 21 Observatory Observatory NNP 39928 1910 22 , , , 39928 1910 23 dramatically dramatically RB 39928 1910 24 remarks remark VBZ 39928 1910 25 : : : 39928 1910 26 ' ' '' 39928 1910 27 Yes yes UH 39928 1910 28 , , , 39928 1910 29 life life NN 39928 1910 30 is be VBZ 39928 1910 31 universal universal JJ 39928 1910 32 , , , 39928 1910 33 and and CC 39928 1910 34 eternal eternal JJ 39928 1910 35 , , , 39928 1910 36 for for IN 39928 1910 37 time time NN 39928 1910 38 is be VBZ 39928 1910 39 one one CD 39928 1910 40 of of IN 39928 1910 41 its -PRON- PRP$ 39928 1910 42 factors factor NNS 39928 1910 43 . . . 39928 1911 1 Yesterday yesterday NN 39928 1911 2 the the DT 39928 1911 3 moon moon NN 39928 1911 4 , , , 39928 1911 5 to to IN 39928 1911 6 - - HYPH 39928 1911 7 day day NN 39928 1911 8 the the DT 39928 1911 9 earth earth NN 39928 1911 10 , , , 39928 1911 11 to to IN 39928 1911 12 - - HYPH 39928 1911 13 morrow morrow NNP 39928 1911 14 Jupiter Jupiter NNP 39928 1911 15 . . . 39928 1912 1 In in IN 39928 1912 2 space space NN 39928 1912 3 there there EX 39928 1912 4 are be VBP 39928 1912 5 both both DT 39928 1912 6 cradles cradle NNS 39928 1912 7 and and CC 39928 1912 8 tombs tomb NNS 39928 1912 9 . . . 39928 1913 1 ' ' `` 39928 1913 2 [ [ -LRB- 39928 1913 3 19 19 CD 39928 1913 4 ] ] -RRB- 39928 1913 5 It -PRON- PRP 39928 1913 6 is be VBZ 39928 1913 7 thus thus RB 39928 1913 8 suggested suggest VBN 39928 1913 9 that that IN 39928 1913 10 the the DT 39928 1913 11 moon moon NN 39928 1913 12 was be VBD 39928 1913 13 once once RB 39928 1913 14 inhabited inhabit VBN 39928 1913 15 and and CC 39928 1913 16 that that IN 39928 1913 17 Jupiter Jupiter NNP 39928 1913 18 will will MD 39928 1913 19 be be VB 39928 1913 20 inhabited inhabit VBN 39928 1913 21 in in IN 39928 1913 22 some some DT 39928 1913 23 remote remote JJ 39928 1913 24 future future NN 39928 1913 25 ; ; : 39928 1913 26 but but CC 39928 1913 27 no no DT 39928 1913 28 attempt attempt NN 39928 1913 29 is be VBZ 39928 1913 30 made make VBN 39928 1913 31 to to TO 39928 1913 32 deal deal VB 39928 1913 33 with with IN 39928 1913 34 the the DT 39928 1913 35 essential essential JJ 39928 1913 36 physical physical JJ 39928 1913 37 conditions condition NNS 39928 1913 38 of of IN 39928 1913 39 these these DT 39928 1913 40 very very RB 39928 1913 41 diverse diverse JJ 39928 1913 42 objects object NNS 39928 1913 43 , , , 39928 1913 44 rendering render VBG 39928 1913 45 them -PRON- PRP 39928 1913 46 not not RB 39928 1913 47 only only RB 39928 1913 48 _ _ NNP 39928 1913 49 now now RB 39928 1913 50 _ _ NNP 39928 1913 51 , , , 39928 1913 52 but but CC 39928 1913 53 always always RB 39928 1913 54 , , , 39928 1913 55 unfitted unfitted JJ 39928 1913 56 to to TO 39928 1913 57 develop develop VB 39928 1913 58 and and CC 39928 1913 59 to to TO 39928 1913 60 maintain maintain VB 39928 1913 61 terrestrial terrestrial JJ 39928 1913 62 or or CC 39928 1913 63 aerial aerial JJ 39928 1913 64 life life NN 39928 1913 65 . . . 39928 1914 1 This this DT 39928 1914 2 vague vague JJ 39928 1914 3 supposition supposition NN 39928 1914 4 -- -- : 39928 1914 5 it -PRON- PRP 39928 1914 6 can can MD 39928 1914 7 hardly hardly RB 39928 1914 8 be be VB 39928 1914 9 termed term VBN 39928 1914 10 an an DT 39928 1914 11 argument argument NN 39928 1914 12 -- -- : 39928 1914 13 as as IN 39928 1914 14 regards regard VBZ 39928 1914 15 past past IN 39928 1914 16 or or CC 39928 1914 17 future future JJ 39928 1914 18 adaptability adaptability NN 39928 1914 19 for for IN 39928 1914 20 life life NN 39928 1914 21 , , , 39928 1914 22 of of IN 39928 1914 23 all all PDT 39928 1914 24 the the DT 39928 1914 25 planets planet NNS 39928 1914 26 and and CC 39928 1914 27 some some DT 39928 1914 28 of of IN 39928 1914 29 the the DT 39928 1914 30 satellites satellite NNS 39928 1914 31 in in IN 39928 1914 32 the the DT 39928 1914 33 solar solar JJ 39928 1914 34 system system NN 39928 1914 35 , , , 39928 1914 36 is be VBZ 39928 1914 37 , , , 39928 1914 38 however however RB 39928 1914 39 , , , 39928 1914 40 rendered render VBN 39928 1914 41 invalid invalid JJ 39928 1914 42 by by IN 39928 1914 43 an an DT 39928 1914 44 equally equally RB 39928 1914 45 general general JJ 39928 1914 46 objection objection NN 39928 1914 47 to to TO 39928 1914 48 which which WDT 39928 1914 49 its -PRON- PRP$ 39928 1914 50 upholders upholder NNS 39928 1914 51 appear appear VBP 39928 1914 52 never never RB 39928 1914 53 to to TO 39928 1914 54 have have VB 39928 1914 55 given give VBN 39928 1914 56 a a DT 39928 1914 57 moment moment NN 39928 1914 58 's 's POS 39928 1914 59 consideration consideration NN 39928 1914 60 ; ; : 39928 1914 61 and and CC 39928 1914 62 as as IN 39928 1914 63 it -PRON- PRP 39928 1914 64 is be VBZ 39928 1914 65 an an DT 39928 1914 66 objection objection NN 39928 1914 67 which which WDT 39928 1914 68 still still RB 39928 1914 69 further far RBR 39928 1914 70 enforces enforce VBZ 39928 1914 71 the the DT 39928 1914 72 view view NN 39928 1914 73 as as IN 39928 1914 74 to to IN 39928 1914 75 the the DT 39928 1914 76 unique unique JJ 39928 1914 77 position position NN 39928 1914 78 of of IN 39928 1914 79 the the DT 39928 1914 80 earth earth NN 39928 1914 81 in in IN 39928 1914 82 the the DT 39928 1914 83 solar solar JJ 39928 1914 84 system system NN 39928 1914 85 , , , 39928 1914 86 it -PRON- PRP 39928 1914 87 will will MD 39928 1914 88 be be VB 39928 1914 89 well well JJ 39928 1914 90 to to TO 39928 1914 91 submit submit VB 39928 1914 92 it -PRON- PRP 39928 1914 93 to to IN 39928 1914 94 the the DT 39928 1914 95 judgment judgment NN 39928 1914 96 of of IN 39928 1914 97 our -PRON- PRP$ 39928 1914 98 readers reader NNS 39928 1914 99 . . . 39928 1915 1 LIMITATION LIMITATION NNP 39928 1915 2 OF of IN 39928 1915 3 THE the DT 39928 1915 4 SUN SUN NNP 39928 1915 5 'S 's POS 39928 1915 6 HEAT HEAT NNS 39928 1915 7 It -PRON- PRP 39928 1915 8 is be VBZ 39928 1915 9 well well RB 39928 1915 10 known know VBN 39928 1915 11 that that IN 39928 1915 12 there there EX 39928 1915 13 is be VBZ 39928 1915 14 , , , 39928 1915 15 and and CC 39928 1915 16 has have VBZ 39928 1915 17 been be VBN 39928 1915 18 for for IN 39928 1915 19 nearly nearly RB 39928 1915 20 half half PDT 39928 1915 21 a a DT 39928 1915 22 century century NN 39928 1915 23 , , , 39928 1915 24 a a DT 39928 1915 25 profound profound JJ 39928 1915 26 difference difference NN 39928 1915 27 of of IN 39928 1915 28 opinion opinion NN 39928 1915 29 between between IN 39928 1915 30 geologists geologist NNS 39928 1915 31 and and CC 39928 1915 32 physicists physicist NNS 39928 1915 33 as as IN 39928 1915 34 to to IN 39928 1915 35 the the DT 39928 1915 36 actual actual JJ 39928 1915 37 or or CC 39928 1915 38 possible possible JJ 39928 1915 39 duration duration NN 39928 1915 40 in in IN 39928 1915 41 years year NNS 39928 1915 42 of of IN 39928 1915 43 life life NN 39928 1915 44 upon upon IN 39928 1915 45 the the DT 39928 1915 46 earth earth NN 39928 1915 47 . . . 39928 1916 1 The the DT 39928 1916 2 geologists geologist NNS 39928 1916 3 , , , 39928 1916 4 being be VBG 39928 1916 5 greatly greatly RB 39928 1916 6 impressed impressed JJ 39928 1916 7 with with IN 39928 1916 8 the the DT 39928 1916 9 vast vast JJ 39928 1916 10 results result NNS 39928 1916 11 produced produce VBN 39928 1916 12 by by IN 39928 1916 13 the the DT 39928 1916 14 slow slow JJ 39928 1916 15 processes process NNS 39928 1916 16 of of IN 39928 1916 17 the the DT 39928 1916 18 wearing wear VBG 39928 1916 19 away away RB 39928 1916 20 of of IN 39928 1916 21 the the DT 39928 1916 22 rocks rock NNS 39928 1916 23 and and CC 39928 1916 24 the the DT 39928 1916 25 deposit deposit NN 39928 1916 26 of of IN 39928 1916 27 the the DT 39928 1916 28 material material NN 39928 1916 29 in in IN 39928 1916 30 seas sea NNS 39928 1916 31 or or CC 39928 1916 32 lakes lake NNS 39928 1916 33 , , , 39928 1916 34 to to TO 39928 1916 35 be be VB 39928 1916 36 again again RB 39928 1916 37 upheaved upheaved JJ 39928 1916 38 to to TO 39928 1916 39 form form VB 39928 1916 40 dry dry JJ 39928 1916 41 land land NN 39928 1916 42 , , , 39928 1916 43 and and CC 39928 1916 44 to to TO 39928 1916 45 be be VB 39928 1916 46 again again RB 39928 1916 47 carved carve VBN 39928 1916 48 out out RP 39928 1916 49 by by IN 39928 1916 50 rain rain NN 39928 1916 51 and and CC 39928 1916 52 wind wind NN 39928 1916 53 , , , 39928 1916 54 by by IN 39928 1916 55 heat heat NN 39928 1916 56 and and CC 39928 1916 57 cold cold JJ 39928 1916 58 , , , 39928 1916 59 by by IN 39928 1916 60 snow snow NN 39928 1916 61 and and CC 39928 1916 62 ice ice NN 39928 1916 63 , , , 39928 1916 64 into into IN 39928 1916 65 hills hill NNS 39928 1916 66 and and CC 39928 1916 67 valleys valley NNS 39928 1916 68 and and CC 39928 1916 69 grand grand JJ 39928 1916 70 mountain mountain NN 39928 1916 71 ranges range VBZ 39928 1916 72 ; ; : 39928 1916 73 and and CC 39928 1916 74 further far RBR 39928 1916 75 , , , 39928 1916 76 by by IN 39928 1916 77 the the DT 39928 1916 78 fact fact NN 39928 1916 79 that that IN 39928 1916 80 the the DT 39928 1916 81 highest high JJS 39928 1916 82 mountains mountain NNS 39928 1916 83 in in IN 39928 1916 84 every every DT 39928 1916 85 part part NN 39928 1916 86 of of IN 39928 1916 87 the the DT 39928 1916 88 globe globe NN 39928 1916 89 very very RB 39928 1916 90 often often RB 39928 1916 91 exhibit exhibit VBP 39928 1916 92 on on IN 39928 1916 93 their -PRON- PRP$ 39928 1916 94 loftiest lofty JJS 39928 1916 95 summits summit NNS 39928 1916 96 stratified stratified JJ 39928 1916 97 rocks rock NNS 39928 1916 98 which which WDT 39928 1916 99 contain contain VBP 39928 1916 100 marine marine JJ 39928 1916 101 organisms organism NNS 39928 1916 102 , , , 39928 1916 103 and and CC 39928 1916 104 were be VBD 39928 1916 105 therefore therefore RB 39928 1916 106 originally originally RB 39928 1916 107 laid lay VBN 39928 1916 108 down down RP 39928 1916 109 beneath beneath IN 39928 1916 110 the the DT 39928 1916 111 sea sea NN 39928 1916 112 ; ; : 39928 1916 113 and and CC 39928 1916 114 , , , 39928 1916 115 yet yet CC 39928 1916 116 again again RB 39928 1916 117 , , , 39928 1916 118 by by IN 39928 1916 119 the the DT 39928 1916 120 fact fact NN 39928 1916 121 that that IN 39928 1916 122 the the DT 39928 1916 123 loftiest lofty JJS 39928 1916 124 mountains mountain NNS 39928 1916 125 are be VBP 39928 1916 126 often often RB 39928 1916 127 the the DT 39928 1916 128 most most RBS 39928 1916 129 recent recent JJ 39928 1916 130 , , , 39928 1916 131 and and CC 39928 1916 132 that that IN 39928 1916 133 these these DT 39928 1916 134 grand grand JJ 39928 1916 135 features feature NNS 39928 1916 136 of of IN 39928 1916 137 the the DT 39928 1916 138 earth earth NN 39928 1916 139 's 's POS 39928 1916 140 surface surface NN 39928 1916 141 are be VBP 39928 1916 142 but but CC 39928 1916 143 the the DT 39928 1916 144 latest late JJS 39928 1916 145 examples example NNS 39928 1916 146 of of IN 39928 1916 147 the the DT 39928 1916 148 action action NN 39928 1916 149 of of IN 39928 1916 150 forces force NNS 39928 1916 151 that that WDT 39928 1916 152 have have VBP 39928 1916 153 been be VBN 39928 1916 154 at at IN 39928 1916 155 work work NN 39928 1916 156 throughout throughout IN 39928 1916 157 all all DT 39928 1916 158 geological geological JJ 39928 1916 159 time time NN 39928 1916 160 -- -- : 39928 1916 161 studying study VBG 39928 1916 162 all all PDT 39928 1916 163 their -PRON- PRP$ 39928 1916 164 lives life NNS 39928 1916 165 the the DT 39928 1916 166 detailed detailed JJ 39928 1916 167 evidences evidence NNS 39928 1916 168 of of IN 39928 1916 169 all all PDT 39928 1916 170 these these DT 39928 1916 171 changes change NNS 39928 1916 172 , , , 39928 1916 173 have have VBP 39928 1916 174 come come VBN 39928 1916 175 to to IN 39928 1916 176 the the DT 39928 1916 177 conclusion conclusion NN 39928 1916 178 that that IN 39928 1916 179 they -PRON- PRP 39928 1916 180 imply imply VBP 39928 1916 181 enormous enormous JJ 39928 1916 182 periods period NNS 39928 1916 183 only only RB 39928 1916 184 to to TO 39928 1916 185 be be VB 39928 1916 186 measured measure VBN 39928 1916 187 by by IN 39928 1916 188 scores score NNS 39928 1916 189 or or CC 39928 1916 190 hundreds hundred NNS 39928 1916 191 of of IN 39928 1916 192 millions million NNS 39928 1916 193 of of IN 39928 1916 194 years year NNS 39928 1916 195 . . . 39928 1917 1 And and CC 39928 1917 2 the the DT 39928 1917 3 collateral collateral JJ 39928 1917 4 study study NN 39928 1917 5 of of IN 39928 1917 6 fossil fossil NN 39928 1917 7 remains remain VBZ 39928 1917 8 in in IN 39928 1917 9 the the DT 39928 1917 10 long long JJ 39928 1917 11 series series NN 39928 1917 12 of of IN 39928 1917 13 rock rock NN 39928 1917 14 - - HYPH 39928 1917 15 formations formation NNS 39928 1917 16 enforces enforce VBZ 39928 1917 17 this this DT 39928 1917 18 view view NN 39928 1917 19 . . . 39928 1918 1 In in IN 39928 1918 2 the the DT 39928 1918 3 whole whole JJ 39928 1918 4 epoch epoch NN 39928 1918 5 of of IN 39928 1918 6 human human JJ 39928 1918 7 history history NN 39928 1918 8 , , , 39928 1918 9 and and CC 39928 1918 10 far far RB 39928 1918 11 back back RB 39928 1918 12 into into IN 39928 1918 13 prehistoric prehistoric JJ 39928 1918 14 times time NNS 39928 1918 15 during during IN 39928 1918 16 which which WDT 39928 1918 17 man man NN 39928 1918 18 existed exist VBD 39928 1918 19 on on IN 39928 1918 20 the the DT 39928 1918 21 earth earth NN 39928 1918 22 , , , 39928 1918 23 although although IN 39928 1918 24 several several JJ 39928 1918 25 animals animal NNS 39928 1918 26 have have VBP 39928 1918 27 become become VBN 39928 1918 28 extinct extinct JJ 39928 1918 29 , , , 39928 1918 30 yet yet CC 39928 1918 31 there there EX 39928 1918 32 is be VBZ 39928 1918 33 no no DT 39928 1918 34 proof proof NN 39928 1918 35 that that IN 39928 1918 36 any any DT 39928 1918 37 new new JJ 39928 1918 38 one one NN 39928 1918 39 has have VBZ 39928 1918 40 been be VBN 39928 1918 41 developed develop VBN 39928 1918 42 . . . 39928 1919 1 But but CC 39928 1919 2 this this DT 39928 1919 3 human human JJ 39928 1919 4 era era NN 39928 1919 5 , , , 39928 1919 6 so so RB 39928 1919 7 far far RB 39928 1919 8 as as IN 39928 1919 9 yet yet RB 39928 1919 10 known know VBN 39928 1919 11 , , , 39928 1919 12 going go VBG 39928 1919 13 back back RB 39928 1919 14 certainly certainly RB 39928 1919 15 to to IN 39928 1919 16 the the DT 39928 1919 17 glacial glacial JJ 39928 1919 18 epoch epoch NNP 39928 1919 19 and and CC 39928 1919 20 almost almost RB 39928 1919 21 certainly certainly RB 39928 1919 22 to to IN 39928 1919 23 pre pre JJ 39928 1919 24 - - JJ 39928 1919 25 glacial glacial JJ 39928 1919 26 times time NNS 39928 1919 27 , , , 39928 1919 28 can can MD 39928 1919 29 not not RB 39928 1919 30 be be VB 39928 1919 31 estimated estimate VBN 39928 1919 32 at at IN 39928 1919 33 less less JJR 39928 1919 34 than than IN 39928 1919 35 a a DT 39928 1919 36 million million CD 39928 1919 37 , , , 39928 1919 38 some some DT 39928 1919 39 think think VBP 39928 1919 40 even even RB 39928 1919 41 several several JJ 39928 1919 42 million million CD 39928 1919 43 years year NNS 39928 1919 44 ; ; : 39928 1919 45 and and CC 39928 1919 46 as as IN 39928 1919 47 there there EX 39928 1919 48 have have VBP 39928 1919 49 certainly certainly RB 39928 1919 50 been be VBN 39928 1919 51 some some DT 39928 1919 52 considerable considerable JJ 39928 1919 53 alterations alteration NNS 39928 1919 54 of of IN 39928 1919 55 level level NN 39928 1919 56 , , , 39928 1919 57 excavation excavation NN 39928 1919 58 of of IN 39928 1919 59 valleys valley NNS 39928 1919 60 , , , 39928 1919 61 deposits deposit NNS 39928 1919 62 of of IN 39928 1919 63 great great JJ 39928 1919 64 beds bed NNS 39928 1919 65 of of IN 39928 1919 66 gravel gravel NN 39928 1919 67 , , , 39928 1919 68 and and CC 39928 1919 69 other other JJ 39928 1919 70 superficial superficial JJ 39928 1919 71 changes change NNS 39928 1919 72 during during IN 39928 1919 73 this this DT 39928 1919 74 period period NN 39928 1919 75 , , , 39928 1919 76 some some DT 39928 1919 77 kind kind NN 39928 1919 78 of of IN 39928 1919 79 a a DT 39928 1919 80 scale scale NN 39928 1919 81 of of IN 39928 1919 82 measurement measurement NN 39928 1919 83 of of IN 39928 1919 84 geological geological JJ 39928 1919 85 time time NN 39928 1919 86 has have VBZ 39928 1919 87 been be VBN 39928 1919 88 obtained obtain VBN 39928 1919 89 , , , 39928 1919 90 by by IN 39928 1919 91 comparison comparison NN 39928 1919 92 with with IN 39928 1919 93 the the DT 39928 1919 94 very very RB 39928 1919 95 minute minute NN 39928 1919 96 changes change NNS 39928 1919 97 that that WDT 39928 1919 98 have have VBP 39928 1919 99 occurred occur VBN 39928 1919 100 during during IN 39928 1919 101 the the DT 39928 1919 102 historical historical JJ 39928 1919 103 period period NN 39928 1919 104 . . . 39928 1920 1 This this DT 39928 1920 2 scale scale NN 39928 1920 3 is be VBZ 39928 1920 4 admittedly admittedly RB 39928 1920 5 a a DT 39928 1920 6 very very RB 39928 1920 7 imperfect imperfect JJ 39928 1920 8 one one NN 39928 1920 9 , , , 39928 1920 10 but but CC 39928 1920 11 it -PRON- PRP 39928 1920 12 is be VBZ 39928 1920 13 better well JJR 39928 1920 14 than than IN 39928 1920 15 none none NN 39928 1920 16 at at RB 39928 1920 17 all all RB 39928 1920 18 ; ; : 39928 1920 19 and and CC 39928 1920 20 it -PRON- PRP 39928 1920 21 is be VBZ 39928 1920 22 by by IN 39928 1920 23 comparing compare VBG 39928 1920 24 these these DT 39928 1920 25 small small JJ 39928 1920 26 changes change NNS 39928 1920 27 with with IN 39928 1920 28 the the DT 39928 1920 29 far far RB 39928 1920 30 greater great JJR 39928 1920 31 ones one NNS 39928 1920 32 which which WDT 39928 1920 33 have have VBP 39928 1920 34 occurred occur VBN 39928 1920 35 during during IN 39928 1920 36 every every DT 39928 1920 37 successive successive JJ 39928 1920 38 step step NN 39928 1920 39 backward backward RB 39928 1920 40 in in IN 39928 1920 41 geological geological JJ 39928 1920 42 history history NN 39928 1920 43 that that IN 39928 1920 44 these these DT 39928 1920 45 estimates estimate NNS 39928 1920 46 of of IN 39928 1920 47 geological geological JJ 39928 1920 48 time time NN 39928 1920 49 have have VBP 39928 1920 50 been be VBN 39928 1920 51 arrived arrive VBN 39928 1920 52 at at IN 39928 1920 53 . . . 39928 1921 1 They -PRON- PRP 39928 1921 2 are be VBP 39928 1921 3 also also RB 39928 1921 4 supported support VBN 39928 1921 5 by by IN 39928 1921 6 the the DT 39928 1921 7 palæontologists palæontologist NNS 39928 1921 8 , , , 39928 1921 9 to to TO 39928 1921 10 whom whom WP 39928 1921 11 the the DT 39928 1921 12 vast vast JJ 39928 1921 13 panorama panorama NN 39928 1921 14 of of IN 39928 1921 15 successive successive JJ 39928 1921 16 forms form NNS 39928 1921 17 of of IN 39928 1921 18 life life NN 39928 1921 19 is be VBZ 39928 1921 20 an an DT 39928 1921 21 ever ever RB 39928 1921 22 - - HYPH 39928 1921 23 present present JJ 39928 1921 24 reality reality NN 39928 1921 25 . . . 39928 1922 1 Directly directly RB 39928 1922 2 they -PRON- PRP 39928 1922 3 pass pass VBP 39928 1922 4 into into IN 39928 1922 5 the the DT 39928 1922 6 latest late JJS 39928 1922 7 stage stage NN 39928 1922 8 of of IN 39928 1922 9 the the DT 39928 1922 10 Tertiary tertiary JJ 39928 1922 11 period period NN 39928 1922 12 -- -- : 39928 1922 13 the the DT 39928 1922 14 Pliocene Pliocene NNP 39928 1922 15 of of IN 39928 1922 16 Sir Sir NNP 39928 1922 17 Charles Charles NNP 39928 1922 18 Lyell Lyell NNP 39928 1922 19 -- -- : 39928 1922 20 all all RB 39928 1922 21 over over IN 39928 1922 22 the the DT 39928 1922 23 world world NN 39928 1922 24 new new JJ 39928 1922 25 forms form NNS 39928 1922 26 of of IN 39928 1922 27 life life NN 39928 1922 28 appear appear VBP 39928 1922 29 which which WDT 39928 1922 30 are be VBP 39928 1922 31 evidently evidently RB 39928 1922 32 the the DT 39928 1922 33 forerunners forerunner NNS 39928 1922 34 of of IN 39928 1922 35 many many JJ 39928 1922 36 of of IN 39928 1922 37 our -PRON- PRP$ 39928 1922 38 still still RB 39928 1922 39 existing exist VBG 39928 1922 40 species specie NNS 39928 1922 41 ; ; : 39928 1922 42 and and CC 39928 1922 43 as as IN 39928 1922 44 they -PRON- PRP 39928 1922 45 go go VBP 39928 1922 46 a a DT 39928 1922 47 little little JJ 39928 1922 48 further far RBR 39928 1922 49 back back RB 39928 1922 50 , , , 39928 1922 51 into into IN 39928 1922 52 the the DT 39928 1922 53 Miocene Miocene NNP 39928 1922 54 , , , 39928 1922 55 there there EX 39928 1922 56 are be VBP 39928 1922 57 indications indication NNS 39928 1922 58 of of IN 39928 1922 59 a a DT 39928 1922 60 warmer warm JJR 39928 1922 61 climate climate NN 39928 1922 62 in in IN 39928 1922 63 Europe Europe NNP 39928 1922 64 , , , 39928 1922 65 and and CC 39928 1922 66 large large JJ 39928 1922 67 numbers number NNS 39928 1922 68 of of IN 39928 1922 69 mammals mammal NNS 39928 1922 70 resembling resemble VBG 39928 1922 71 those those DT 39928 1922 72 which which WDT 39928 1922 73 now now RB 39928 1922 74 inhabit inhabit VBP 39928 1922 75 the the DT 39928 1922 76 tropics tropic NNS 39928 1922 77 , , , 39928 1922 78 but but CC 39928 1922 79 of of IN 39928 1922 80 quite quite RB 39928 1922 81 distinct distinct JJ 39928 1922 82 species specie NNS 39928 1922 83 and and CC 39928 1922 84 often often RB 39928 1922 85 of of IN 39928 1922 86 distinct distinct JJ 39928 1922 87 genera genera NN 39928 1922 88 and and CC 39928 1922 89 families family NNS 39928 1922 90 . . . 39928 1923 1 And and CC 39928 1923 2 here here RB 39928 1923 3 , , , 39928 1923 4 though though IN 39928 1923 5 we -PRON- PRP 39928 1923 6 have have VBP 39928 1923 7 only only RB 39928 1923 8 reached reach VBN 39928 1923 9 to to IN 39928 1923 10 about about IN 39928 1923 11 the the DT 39928 1923 12 middle middle NN 39928 1923 13 of of IN 39928 1923 14 the the DT 39928 1923 15 Tertiary tertiary JJ 39928 1923 16 period period NN 39928 1923 17 , , , 39928 1923 18 the the DT 39928 1923 19 changes change NNS 39928 1923 20 in in IN 39928 1923 21 the the DT 39928 1923 22 forms form NNS 39928 1923 23 of of IN 39928 1923 24 life life NN 39928 1923 25 , , , 39928 1923 26 in in IN 39928 1923 27 the the DT 39928 1923 28 climate climate NN 39928 1923 29 , , , 39928 1923 30 and and CC 39928 1923 31 in in IN 39928 1923 32 the the DT 39928 1923 33 land land NN 39928 1923 34 - - HYPH 39928 1923 35 surfaces surface NNS 39928 1923 36 are be VBP 39928 1923 37 so so RB 39928 1923 38 great great JJ 39928 1923 39 when when WRB 39928 1923 40 compared compare VBN 39928 1923 41 with with IN 39928 1923 42 the the DT 39928 1923 43 very very RB 39928 1923 44 minute minute JJ 39928 1923 45 changes change NNS 39928 1923 46 during during IN 39928 1923 47 the the DT 39928 1923 48 human human JJ 39928 1923 49 epoch epoch NN 39928 1923 50 , , , 39928 1923 51 as as IN 39928 1923 52 to to TO 39928 1923 53 require require VB 39928 1923 54 us -PRON- PRP 39928 1923 55 to to TO 39928 1923 56 multiply multiply VB 39928 1923 57 the the DT 39928 1923 58 time time NN 39928 1923 59 elapsed elapse VBD 39928 1923 60 many many JJ 39928 1923 61 times time NNS 39928 1923 62 over over RB 39928 1923 63 . . . 39928 1924 1 Yet yet CC 39928 1924 2 the the DT 39928 1924 3 whole whole NN 39928 1924 4 of of IN 39928 1924 5 the the DT 39928 1924 6 Tertiary tertiary JJ 39928 1924 7 period period NN 39928 1924 8 , , , 39928 1924 9 during during IN 39928 1924 10 which which WDT 39928 1924 11 _ _ NNP 39928 1924 12 all all DT 39928 1924 13 _ _ NNP 39928 1924 14 the the DT 39928 1924 15 great great JJ 39928 1924 16 groups group NNS 39928 1924 17 of of IN 39928 1924 18 the the DT 39928 1924 19 higher high JJR 39928 1924 20 animals animal NNS 39928 1924 21 were be VBD 39928 1924 22 developed develop VBN 39928 1924 23 from from IN 39928 1924 24 a a DT 39928 1924 25 comparatively comparatively RB 39928 1924 26 few few JJ 39928 1924 27 generalised generalise VBN 39928 1924 28 ancestral ancestral JJ 39928 1924 29 forms form NNS 39928 1924 30 , , , 39928 1924 31 is be VBZ 39928 1924 32 yet yet RB 39928 1924 33 the the DT 39928 1924 34 shortest short JJS 39928 1924 35 by by IN 39928 1924 36 far far RB 39928 1924 37 of of IN 39928 1924 38 the the DT 39928 1924 39 three three CD 39928 1924 40 great great JJ 39928 1924 41 geological geological JJ 39928 1924 42 periods period NNS 39928 1924 43 -- -- : 39928 1924 44 the the DT 39928 1924 45 Mesozoic Mesozoic NNP 39928 1924 46 or or CC 39928 1924 47 Secondary secondary JJ 39928 1924 48 , , , 39928 1924 49 having have VBG 39928 1924 50 been be VBN 39928 1924 51 much much RB 39928 1924 52 longer long RBR 39928 1924 53 , , , 39928 1924 54 with with IN 39928 1924 55 still still RB 39928 1924 56 vaster vaster NN 39928 1924 57 changes change NNS 39928 1924 58 both both CC 39928 1924 59 in in IN 39928 1924 60 the the DT 39928 1924 61 earth earth NN 39928 1924 62 's 's POS 39928 1924 63 crust crust NN 39928 1924 64 and and CC 39928 1924 65 in in IN 39928 1924 66 the the DT 39928 1924 67 forms form NNS 39928 1924 68 of of IN 39928 1924 69 life life NN 39928 1924 70 ; ; : 39928 1924 71 while while IN 39928 1924 72 the the DT 39928 1924 73 Palæozoic Palæozoic NNP 39928 1924 74 or or CC 39928 1924 75 Primary Primary NNP 39928 1924 76 , , , 39928 1924 77 which which WDT 39928 1924 78 carries carry VBZ 39928 1924 79 us -PRON- PRP 39928 1924 80 back back RB 39928 1924 81 to to IN 39928 1924 82 the the DT 39928 1924 83 earliest early JJS 39928 1924 84 forms form NNS 39928 1924 85 of of IN 39928 1924 86 life life NN 39928 1924 87 as as IN 39928 1924 88 represented represent VBN 39928 1924 89 by by IN 39928 1924 90 fossilised fossilised JJ 39928 1924 91 remains remain NNS 39928 1924 92 , , , 39928 1924 93 is be VBZ 39928 1924 94 always always RB 39928 1924 95 estimated estimate VBN 39928 1924 96 by by IN 39928 1924 97 geologists geologist NNS 39928 1924 98 to to TO 39928 1924 99 be be VB 39928 1924 100 at at IN 39928 1924 101 least least JJS 39928 1924 102 as as RB 39928 1924 103 long long RB 39928 1924 104 as as IN 39928 1924 105 the the DT 39928 1924 106 other other JJ 39928 1924 107 two two CD 39928 1924 108 combined combined JJ 39928 1924 109 , , , 39928 1924 110 and and CC 39928 1924 111 probably probably RB 39928 1924 112 very very RB 39928 1924 113 much much RB 39928 1924 114 longer long RBR 39928 1924 115 . . . 39928 1925 1 From from IN 39928 1925 2 these these DT 39928 1925 3 various various JJ 39928 1925 4 considerations consideration NNS 39928 1925 5 most most JJS 39928 1925 6 geologists geologist NNS 39928 1925 7 who who WP 39928 1925 8 have have VBP 39928 1925 9 made make VBN 39928 1925 10 any any DT 39928 1925 11 estimates estimate NNS 39928 1925 12 of of IN 39928 1925 13 geological geological JJ 39928 1925 14 time time NN 39928 1925 15 from from IN 39928 1925 16 the the DT 39928 1925 17 period period NN 39928 1925 18 of of IN 39928 1925 19 the the DT 39928 1925 20 earliest early JJS 39928 1925 21 fossiliferous fossiliferous JJ 39928 1925 22 rocks rock NNS 39928 1925 23 , , , 39928 1925 24 have have VBP 39928 1925 25 arrived arrive VBN 39928 1925 26 at at IN 39928 1925 27 the the DT 39928 1925 28 conclusion conclusion NN 39928 1925 29 that that IN 39928 1925 30 about about RB 39928 1925 31 200 200 CD 39928 1925 32 millions million NNS 39928 1925 33 of of IN 39928 1925 34 years year NNS 39928 1925 35 are be VBP 39928 1925 36 required require VBN 39928 1925 37 . . . 39928 1926 1 But but CC 39928 1926 2 from from IN 39928 1926 3 the the DT 39928 1926 4 variety variety NN 39928 1926 5 of of IN 39928 1926 6 the the DT 39928 1926 7 forms form NNS 39928 1926 8 of of IN 39928 1926 9 life life NN 39928 1926 10 at at IN 39928 1926 11 this this DT 39928 1926 12 early early JJ 39928 1926 13 period period NN 39928 1926 14 it -PRON- PRP 39928 1926 15 is be VBZ 39928 1926 16 concluded conclude VBN 39928 1926 17 that that IN 39928 1926 18 a a DT 39928 1926 19 very very RB 39928 1926 20 much much RB 39928 1926 21 greater great JJR 39928 1926 22 duration duration NN 39928 1926 23 is be VBZ 39928 1926 24 needed need VBN 39928 1926 25 for for IN 39928 1926 26 the the DT 39928 1926 27 whole whole JJ 39928 1926 28 epoch epoch NN 39928 1926 29 of of IN 39928 1926 30 life life NN 39928 1926 31 . . . 39928 1927 1 Speaking speak VBG 39928 1927 2 of of IN 39928 1927 3 the the DT 39928 1927 4 varied varied JJ 39928 1927 5 marine marine JJ 39928 1927 6 fauna fauna NNS 39928 1927 7 of of IN 39928 1927 8 the the DT 39928 1927 9 Cambrian cambrian JJ 39928 1927 10 period period NN 39928 1927 11 , , , 39928 1927 12 the the DT 39928 1927 13 late late JJ 39928 1927 14 Professor Professor NNP 39928 1927 15 Ramsay Ramsay NNP 39928 1927 16 says:--'In says:--'in CD 39928 1927 17 this this DT 39928 1927 18 earliest early RBS 39928 1927 19 known know VBN 39928 1927 20 varied varied JJ 39928 1927 21 life life NN 39928 1927 22 we -PRON- PRP 39928 1927 23 find find VBP 39928 1927 24 no no DT 39928 1927 25 evidence evidence NN 39928 1927 26 of of IN 39928 1927 27 its -PRON- PRP$ 39928 1927 28 having have VBG 39928 1927 29 lived live VBN 39928 1927 30 near near IN 39928 1927 31 the the DT 39928 1927 32 beginning beginning NN 39928 1927 33 of of IN 39928 1927 34 the the DT 39928 1927 35 zoological zoological JJ 39928 1927 36 series series NN 39928 1927 37 . . . 39928 1928 1 In in IN 39928 1928 2 a a DT 39928 1928 3 broad broad JJ 39928 1928 4 sense sense NN 39928 1928 5 , , , 39928 1928 6 compared compare VBN 39928 1928 7 with with IN 39928 1928 8 what what WP 39928 1928 9 must must MD 39928 1928 10 have have VB 39928 1928 11 gone go VBN 39928 1928 12 before before RB 39928 1928 13 , , , 39928 1928 14 both both CC 39928 1928 15 biologically biologically RB 39928 1928 16 and and CC 39928 1928 17 physically physically RB 39928 1928 18 , , , 39928 1928 19 all all PDT 39928 1928 20 the the DT 39928 1928 21 phenomena phenomenon NNS 39928 1928 22 connected connect VBN 39928 1928 23 with with IN 39928 1928 24 this this DT 39928 1928 25 old old JJ 39928 1928 26 period period NN 39928 1928 27 seem seem VBP 39928 1928 28 , , , 39928 1928 29 to to IN 39928 1928 30 my -PRON- PRP$ 39928 1928 31 mind mind NN 39928 1928 32 , , , 39928 1928 33 to to TO 39928 1928 34 be be VB 39928 1928 35 of of IN 39928 1928 36 quite quite PDT 39928 1928 37 a a DT 39928 1928 38 recent recent JJ 39928 1928 39 description description NN 39928 1928 40 ; ; : 39928 1928 41 and and CC 39928 1928 42 the the DT 39928 1928 43 climates climate NNS 39928 1928 44 of of IN 39928 1928 45 seas sea NNS 39928 1928 46 and and CC 39928 1928 47 lands land NNS 39928 1928 48 were be VBD 39928 1928 49 of of IN 39928 1928 50 the the DT 39928 1928 51 very very RB 39928 1928 52 same same JJ 39928 1928 53 kind kind NN 39928 1928 54 as as IN 39928 1928 55 those those DT 39928 1928 56 the the DT 39928 1928 57 world world NN 39928 1928 58 enjoys enjoy VBZ 39928 1928 59 at at IN 39928 1928 60 the the DT 39928 1928 61 present present JJ 39928 1928 62 day day NN 39928 1928 63 . . . 39928 1928 64 ' ' '' 39928 1929 1 And and CC 39928 1929 2 Professor Professor NNP 39928 1929 3 Huxley Huxley NNP 39928 1929 4 held hold VBD 39928 1929 5 very very RB 39928 1929 6 similar similar JJ 39928 1929 7 views view NNS 39928 1929 8 when when WRB 39928 1929 9 he -PRON- PRP 39928 1929 10 declared declare VBD 39928 1929 11 : : : 39928 1929 12 ' ' `` 39928 1929 13 If if IN 39928 1929 14 the the DT 39928 1929 15 very very RB 39928 1929 16 small small JJ 39928 1929 17 differences difference NNS 39928 1929 18 which which WDT 39928 1929 19 are be VBP 39928 1929 20 observable observable JJ 39928 1929 21 between between IN 39928 1929 22 the the DT 39928 1929 23 crocodiles crocodile NNS 39928 1929 24 of of IN 39928 1929 25 the the DT 39928 1929 26 older old JJR 39928 1929 27 Secondary secondary JJ 39928 1929 28 formations formation NNS 39928 1929 29 and and CC 39928 1929 30 those those DT 39928 1929 31 of of IN 39928 1929 32 the the DT 39928 1929 33 present present JJ 39928 1929 34 day day NN 39928 1929 35 furnish furnish NN 39928 1929 36 any any DT 39928 1929 37 sort sort NN 39928 1929 38 of of IN 39928 1929 39 an an DT 39928 1929 40 approximation approximation NN 39928 1929 41 towards towards IN 39928 1929 42 an an DT 39928 1929 43 estimate estimate NN 39928 1929 44 of of IN 39928 1929 45 the the DT 39928 1929 46 average average JJ 39928 1929 47 rate rate NN 39928 1929 48 of of IN 39928 1929 49 change change NN 39928 1929 50 among among IN 39928 1929 51 reptiles reptile NNS 39928 1929 52 , , , 39928 1929 53 it -PRON- PRP 39928 1929 54 is be VBZ 39928 1929 55 almost almost RB 39928 1929 56 appalling appalling JJ 39928 1929 57 to to TO 39928 1929 58 reflect reflect VB 39928 1929 59 how how WRB 39928 1929 60 far far RB 39928 1929 61 back back RB 39928 1929 62 in in IN 39928 1929 63 Palæozoic Palæozoic NNP 39928 1929 64 times time NNS 39928 1929 65 we -PRON- PRP 39928 1929 66 must must MD 39928 1929 67 go go VB 39928 1929 68 before before IN 39928 1929 69 we -PRON- PRP 39928 1929 70 can can MD 39928 1929 71 hope hope VB 39928 1929 72 to to TO 39928 1929 73 arrive arrive VB 39928 1929 74 at at IN 39928 1929 75 that that DT 39928 1929 76 common common JJ 39928 1929 77 stock stock NN 39928 1929 78 from from IN 39928 1929 79 which which WDT 39928 1929 80 the the DT 39928 1929 81 crocodiles crocodile NNS 39928 1929 82 , , , 39928 1929 83 lizards lizard NNS 39928 1929 84 , , , 39928 1929 85 _ _ NNP 39928 1929 86 Ornithoscelida Ornithoscelida NNP 39928 1929 87 _ _ NNP 39928 1929 88 , , , 39928 1929 89 and and CC 39928 1929 90 _ _ NNP 39928 1929 91 Plesiosauria Plesiosauria NNP 39928 1929 92 _ _ NNP 39928 1929 93 , , , 39928 1929 94 which which WDT 39928 1929 95 had have VBD 39928 1929 96 attained attain VBN 39928 1929 97 so so RB 39928 1929 98 great great JJ 39928 1929 99 a a DT 39928 1929 100 development development NN 39928 1929 101 in in IN 39928 1929 102 the the DT 39928 1929 103 Triassic Triassic NNP 39928 1929 104 epoch epoch NN 39928 1929 105 , , , 39928 1929 106 must must MD 39928 1929 107 have have VB 39928 1929 108 been be VBN 39928 1929 109 derived derive VBN 39928 1929 110 . . . 39928 1929 111 ' ' '' 39928 1930 1 Now now RB 39928 1930 2 , , , 39928 1930 3 in in IN 39928 1930 4 opposition opposition NN 39928 1930 5 to to IN 39928 1930 6 these these DT 39928 1930 7 demands demand NNS 39928 1930 8 of of IN 39928 1930 9 the the DT 39928 1930 10 geologists geologist NNS 39928 1930 11 , , , 39928 1930 12 in in IN 39928 1930 13 which which WDT 39928 1930 14 they -PRON- PRP 39928 1930 15 are be VBP 39928 1930 16 almost almost RB 39928 1930 17 unanimous unanimous JJ 39928 1930 18 , , , 39928 1930 19 the the DT 39928 1930 20 most most RBS 39928 1930 21 celebrated celebrated JJ 39928 1930 22 physicists physicist NNS 39928 1930 23 , , , 39928 1930 24 after after IN 39928 1930 25 full full JJ 39928 1930 26 consideration consideration NN 39928 1930 27 of of IN 39928 1930 28 all all DT 39928 1930 29 possible possible JJ 39928 1930 30 sources source NNS 39928 1930 31 of of IN 39928 1930 32 the the DT 39928 1930 33 heat heat NN 39928 1930 34 of of IN 39928 1930 35 the the DT 39928 1930 36 sun sun NN 39928 1930 37 , , , 39928 1930 38 and and CC 39928 1930 39 knowing know VBG 39928 1930 40 the the DT 39928 1930 41 rate rate NN 39928 1930 42 at at IN 39928 1930 43 which which WDT 39928 1930 44 it -PRON- PRP 39928 1930 45 is be VBZ 39928 1930 46 now now RB 39928 1930 47 expending expend VBG 39928 1930 48 heat heat NN 39928 1930 49 , , , 39928 1930 50 declare declare VBP 39928 1930 51 , , , 39928 1930 52 with with IN 39928 1930 53 complete complete JJ 39928 1930 54 conviction conviction NN 39928 1930 55 , , , 39928 1930 56 that that IN 39928 1930 57 our -PRON- PRP$ 39928 1930 58 sun sun NN 39928 1930 59 can can MD 39928 1930 60 not not RB 39928 1930 61 have have VB 39928 1930 62 existed exist VBN 39928 1930 63 as as IN 39928 1930 64 a a DT 39928 1930 65 heat heat NN 39928 1930 66 - - HYPH 39928 1930 67 giving give VBG 39928 1930 68 body body NN 39928 1930 69 for for IN 39928 1930 70 so so RB 39928 1930 71 long long RB 39928 1930 72 a a DT 39928 1930 73 period period NN 39928 1930 74 , , , 39928 1930 75 and and CC 39928 1930 76 they -PRON- PRP 39928 1930 77 would would MD 39928 1930 78 therefore therefore RB 39928 1930 79 reduce reduce VB 39928 1930 80 the the DT 39928 1930 81 time time NN 39928 1930 82 during during IN 39928 1930 83 which which WDT 39928 1930 84 life life NN 39928 1930 85 can can MD 39928 1930 86 possibly possibly RB 39928 1930 87 have have VB 39928 1930 88 existed exist VBN 39928 1930 89 on on IN 39928 1930 90 the the DT 39928 1930 91 earth earth NN 39928 1930 92 to to IN 39928 1930 93 about about RB 39928 1930 94 one one CD 39928 1930 95 - - HYPH 39928 1930 96 fourth fourth NN 39928 1930 97 of of IN 39928 1930 98 that that DT 39928 1930 99 demanded demand VBN 39928 1930 100 by by IN 39928 1930 101 geologists geologist NNS 39928 1930 102 . . . 39928 1931 1 In in IN 39928 1931 2 one one CD 39928 1931 3 of of IN 39928 1931 4 his -PRON- PRP$ 39928 1931 5 latest late JJS 39928 1931 6 articles article NNS 39928 1931 7 , , , 39928 1931 8 Lord Lord NNP 39928 1931 9 Kelvin Kelvin NNP 39928 1931 10 says:--'Now says:--'now RB 39928 1931 11 we -PRON- PRP 39928 1931 12 have have VBP 39928 1931 13 irrefragable irrefragable JJ 39928 1931 14 dynamics dynamic NNS 39928 1931 15 proving prove VBG 39928 1931 16 that that IN 39928 1931 17 the the DT 39928 1931 18 whole whole JJ 39928 1931 19 life life NN 39928 1931 20 of of IN 39928 1931 21 our -PRON- PRP$ 39928 1931 22 sun sun NN 39928 1931 23 as as IN 39928 1931 24 a a DT 39928 1931 25 luminary luminary NN 39928 1931 26 is be VBZ 39928 1931 27 a a DT 39928 1931 28 very very RB 39928 1931 29 moderate moderate JJ 39928 1931 30 number number NN 39928 1931 31 of of IN 39928 1931 32 million million CD 39928 1931 33 years year NNS 39928 1931 34 , , , 39928 1931 35 probably probably RB 39928 1931 36 less less JJR 39928 1931 37 than than IN 39928 1931 38 50 50 CD 39928 1931 39 million million CD 39928 1931 40 , , , 39928 1931 41 possibly possibly RB 39928 1931 42 between between IN 39928 1931 43 50 50 CD 39928 1931 44 and and CC 39928 1931 45 100 100 CD 39928 1931 46 ' ' '' 39928 1931 47 ( ( -LRB- 39928 1931 48 _ _ NNP 39928 1931 49 Phil Phil NNP 39928 1931 50 . . . 39928 1932 1 Mag Mag NNP 39928 1932 2 . . . 39928 1932 3 _ _ NNP 39928 1932 4 , , , 39928 1932 5 vol vol NNP 39928 1932 6 . . . 39928 1933 1 ii ii NNP 39928 1933 2 . . NNP 39928 1933 3 , , , 39928 1933 4 Sixth Sixth NNP 39928 1933 5 Ser Ser NNP 39928 1933 6 . . NNP 39928 1933 7 , , , 39928 1933 8 p. p. NN 39928 1933 9 175 175 CD 39928 1933 10 , , , 39928 1933 11 Aug. August NNP 39928 1933 12 1901 1901 CD 39928 1933 13 ) ) -RRB- 39928 1933 14 . . . 39928 1934 1 In in IN 39928 1934 2 my -PRON- PRP$ 39928 1934 3 _ _ NNP 39928 1934 4 Island Island NNP 39928 1934 5 Life Life NNP 39928 1934 6 _ _ NNP 39928 1934 7 ( ( -LRB- 39928 1934 8 chap chap NNP 39928 1934 9 . . . 39928 1935 1 X. X. NNP 39928 1935 2 ) ) -RRB- 39928 1936 1 I -PRON- PRP 39928 1936 2 have have VBP 39928 1936 3 myself -PRON- PRP 39928 1936 4 given give VBN 39928 1936 5 reasons reason NNS 39928 1936 6 for for IN 39928 1936 7 thinking think VBG 39928 1936 8 that that IN 39928 1936 9 both both CC 39928 1936 10 the the DT 39928 1936 11 stratigraphical stratigraphical JJ 39928 1936 12 and and CC 39928 1936 13 biological biological JJ 39928 1936 14 changes change NNS 39928 1936 15 may may MD 39928 1936 16 have have VB 39928 1936 17 gone go VBN 39928 1936 18 on on RP 39928 1936 19 more more RBR 39928 1936 20 quickly quickly RB 39928 1936 21 than than IN 39928 1936 22 has have VBZ 39928 1936 23 been be VBN 39928 1936 24 supposed suppose VBN 39928 1936 25 , , , 39928 1936 26 and and CC 39928 1936 27 that that DT 39928 1936 28 geological geological JJ 39928 1936 29 time time NN 39928 1936 30 ( ( -LRB- 39928 1936 31 meaning mean VBG 39928 1936 32 thereby thereby RB 39928 1936 33 the the DT 39928 1936 34 time time NN 39928 1936 35 during during IN 39928 1936 36 which which WDT 39928 1936 37 the the DT 39928 1936 38 development development NN 39928 1936 39 of of IN 39928 1936 40 life life NN 39928 1936 41 upon upon IN 39928 1936 42 the the DT 39928 1936 43 earth earth NN 39928 1936 44 has have VBZ 39928 1936 45 been be VBN 39928 1936 46 going go VBG 39928 1936 47 on on RP 39928 1936 48 ) ) -RRB- 39928 1936 49 may may MD 39928 1936 50 be be VB 39928 1936 51 reduced reduce VBN 39928 1936 52 so so IN 39928 1936 53 as as IN 39928 1936 54 possibly possibly RB 39928 1936 55 to to TO 39928 1936 56 be be VB 39928 1936 57 brought bring VBN 39928 1936 58 within within IN 39928 1936 59 the the DT 39928 1936 60 maximum maximum JJ 39928 1936 61 period period NN 39928 1936 62 allowed allow VBN 39928 1936 63 by by IN 39928 1936 64 physicists physicist NNS 39928 1936 65 ; ; : 39928 1936 66 but but CC 39928 1936 67 there there EX 39928 1936 68 will will MD 39928 1936 69 certainly certainly RB 39928 1936 70 be be VB 39928 1936 71 no no DT 39928 1936 72 time time NN 39928 1936 73 to to TO 39928 1936 74 spare spare VB 39928 1936 75 , , , 39928 1936 76 and and CC 39928 1936 77 any any DT 39928 1936 78 planets planet NNS 39928 1936 79 dependent dependent JJ 39928 1936 80 on on IN 39928 1936 81 our -PRON- PRP$ 39928 1936 82 sun sun NN 39928 1936 83 whose whose WP$ 39928 1936 84 period period NN 39928 1936 85 of of IN 39928 1936 86 habitability habitability NN 39928 1936 87 is be VBZ 39928 1936 88 either either CC 39928 1936 89 past past NN 39928 1936 90 or or CC 39928 1936 91 to to TO 39928 1936 92 come come VB 39928 1936 93 , , , 39928 1936 94 can can MD 39928 1936 95 not not RB 39928 1936 96 possibly possibly RB 39928 1936 97 have have VB 39928 1936 98 , , , 39928 1936 99 or or CC 39928 1936 100 have have VBP 39928 1936 101 had have VBN 39928 1936 102 , , , 39928 1936 103 sufficient sufficient JJ 39928 1936 104 time time NN 39928 1936 105 for for IN 39928 1936 106 the the DT 39928 1936 107 necessarily necessarily RB 39928 1936 108 slow slow JJ 39928 1936 109 evolution evolution NN 39928 1936 110 of of IN 39928 1936 111 the the DT 39928 1936 112 higher high JJR 39928 1936 113 life life NN 39928 1936 114 - - HYPH 39928 1936 115 forms form NNS 39928 1936 116 . . . 39928 1937 1 Again again RB 39928 1937 2 , , , 39928 1937 3 all all DT 39928 1937 4 physicists physicist NNS 39928 1937 5 hold hold VBP 39928 1937 6 that that IN 39928 1937 7 the the DT 39928 1937 8 sun sun NN 39928 1937 9 is be VBZ 39928 1937 10 now now RB 39928 1937 11 cooling cool VBG 39928 1937 12 , , , 39928 1937 13 and and CC 39928 1937 14 that that IN 39928 1937 15 its -PRON- PRP$ 39928 1937 16 future future JJ 39928 1937 17 life life NN 39928 1937 18 will will MD 39928 1937 19 be be VB 39928 1937 20 much much RB 39928 1937 21 less less JJR 39928 1937 22 than than IN 39928 1937 23 its -PRON- PRP$ 39928 1937 24 past past NN 39928 1937 25 . . . 39928 1938 1 In in IN 39928 1938 2 a a DT 39928 1938 3 lecture lecture NN 39928 1938 4 at at IN 39928 1938 5 the the DT 39928 1938 6 Royal Royal NNP 39928 1938 7 Institution Institution NNP 39928 1938 8 ( ( -LRB- 39928 1938 9 published publish VBN 39928 1938 10 in in IN 39928 1938 11 _ _ NNP 39928 1938 12 Nature Nature NNP 39928 1938 13 Series Series NNP 39928 1938 14 _ _ NNP 39928 1938 15 , , , 39928 1938 16 in in IN 39928 1938 17 1889 1889 CD 39928 1938 18 ) ) -RRB- 39928 1938 19 , , , 39928 1938 20 Lord Lord NNP 39928 1938 21 Kelvin Kelvin NNP 39928 1938 22 says:--'It says:--'it ADD 39928 1938 23 would would MD 39928 1938 24 , , , 39928 1938 25 I -PRON- PRP 39928 1938 26 think think VBP 39928 1938 27 , , , 39928 1938 28 be be VB 39928 1938 29 exceedingly exceedingly RB 39928 1938 30 rash rash JJ 39928 1938 31 to to TO 39928 1938 32 assume assume VB 39928 1938 33 as as IN 39928 1938 34 probable probable JJ 39928 1938 35 anything anything NN 39928 1938 36 more more JJR 39928 1938 37 than than IN 39928 1938 38 twenty twenty CD 39928 1938 39 million million CD 39928 1938 40 years year NNS 39928 1938 41 of of IN 39928 1938 42 the the DT 39928 1938 43 sun sun NN 39928 1938 44 's 's POS 39928 1938 45 light light NN 39928 1938 46 in in IN 39928 1938 47 the the DT 39928 1938 48 past past JJ 39928 1938 49 history history NN 39928 1938 50 of of IN 39928 1938 51 the the DT 39928 1938 52 earth earth NN 39928 1938 53 , , , 39928 1938 54 or or CC 39928 1938 55 to to TO 39928 1938 56 reckon reckon VB 39928 1938 57 more more JJR 39928 1938 58 than than IN 39928 1938 59 five five CD 39928 1938 60 or or CC 39928 1938 61 six six CD 39928 1938 62 million million CD 39928 1938 63 years year NNS 39928 1938 64 of of IN 39928 1938 65 sunlight sunlight NN 39928 1938 66 for for IN 39928 1938 67 time time NN 39928 1938 68 to to TO 39928 1938 69 come come VB 39928 1938 70 . . . 39928 1938 71 ' ' '' 39928 1939 1 These these DT 39928 1939 2 extracts extract NNS 39928 1939 3 serve serve VBP 39928 1939 4 to to TO 39928 1939 5 show show VB 39928 1939 6 that that IN 39928 1939 7 , , , 39928 1939 8 unless unless IN 39928 1939 9 either either DT 39928 1939 10 geologists geologist NNS 39928 1939 11 or or CC 39928 1939 12 physicists physicist NNS 39928 1939 13 are be VBP 39928 1939 14 very very RB 39928 1939 15 far far RB 39928 1939 16 from from IN 39928 1939 17 any any DT 39928 1939 18 approach approach NN 39928 1939 19 to to IN 39928 1939 20 accuracy accuracy NN 39928 1939 21 in in IN 39928 1939 22 their -PRON- PRP$ 39928 1939 23 estimates estimate NNS 39928 1939 24 of of IN 39928 1939 25 past past JJ 39928 1939 26 or or CC 39928 1939 27 future future JJ 39928 1939 28 age age NN 39928 1939 29 of of IN 39928 1939 30 the the DT 39928 1939 31 sun sun NN 39928 1939 32 , , , 39928 1939 33 there there EX 39928 1939 34 is be VBZ 39928 1939 35 very very RB 39928 1939 36 great great JJ 39928 1939 37 difficulty difficulty NN 39928 1939 38 in in IN 39928 1939 39 bringing bring VBG 39928 1939 40 them -PRON- PRP 39928 1939 41 into into IN 39928 1939 42 harmony harmony NN 39928 1939 43 or or CC 39928 1939 44 in in IN 39928 1939 45 accounting accounting NN 39928 1939 46 for for IN 39928 1939 47 the the DT 39928 1939 48 actual actual JJ 39928 1939 49 facts fact NNS 39928 1939 50 of of IN 39928 1939 51 the the DT 39928 1939 52 geological geological JJ 39928 1939 53 history history NN 39928 1939 54 of of IN 39928 1939 55 the the DT 39928 1939 56 earth earth NN 39928 1939 57 and and CC 39928 1939 58 of of IN 39928 1939 59 the the DT 39928 1939 60 whole whole JJ 39928 1939 61 course course NN 39928 1939 62 of of IN 39928 1939 63 life life NN 39928 1939 64 - - HYPH 39928 1939 65 development development NN 39928 1939 66 upon upon IN 39928 1939 67 it -PRON- PRP 39928 1939 68 . . . 39928 1940 1 We -PRON- PRP 39928 1940 2 are be VBP 39928 1940 3 , , , 39928 1940 4 therefore therefore RB 39928 1940 5 , , , 39928 1940 6 again again RB 39928 1940 7 brought bring VBD 39928 1940 8 to to IN 39928 1940 9 the the DT 39928 1940 10 conclusion conclusion NN 39928 1940 11 that that IN 39928 1940 12 there there EX 39928 1940 13 has have VBZ 39928 1940 14 been be VBN 39928 1940 15 , , , 39928 1940 16 and and CC 39928 1940 17 is be VBZ 39928 1940 18 , , , 39928 1940 19 no no DT 39928 1940 20 time time NN 39928 1940 21 to to TO 39928 1940 22 spare spare VB 39928 1940 23 ; ; : 39928 1940 24 that that IN 39928 1940 25 the the DT 39928 1940 26 _ _ NNP 39928 1940 27 whole whole JJ 39928 1940 28 _ _ NNP 39928 1940 29 of of IN 39928 1940 30 the the DT 39928 1940 31 available available JJ 39928 1940 32 past past JJ 39928 1940 33 life life NN 39928 1940 34 - - HYPH 39928 1940 35 period period NN 39928 1940 36 of of IN 39928 1940 37 the the DT 39928 1940 38 sun sun NN 39928 1940 39 has have VBZ 39928 1940 40 been be VBN 39928 1940 41 utilised utilise VBN 39928 1940 42 for for IN 39928 1940 43 life life NN 39928 1940 44 - - HYPH 39928 1940 45 development development NN 39928 1940 46 on on IN 39928 1940 47 the the DT 39928 1940 48 earth earth NN 39928 1940 49 , , , 39928 1940 50 and and CC 39928 1940 51 that that IN 39928 1940 52 the the DT 39928 1940 53 future future NN 39928 1940 54 will will MD 39928 1940 55 be be VB 39928 1940 56 not not RB 39928 1940 57 much much RB 39928 1940 58 more more JJR 39928 1940 59 than than IN 39928 1940 60 may may MD 39928 1940 61 be be VB 39928 1940 62 needed need VBN 39928 1940 63 for for IN 39928 1940 64 the the DT 39928 1940 65 completion completion NN 39928 1940 66 of of IN 39928 1940 67 the the DT 39928 1940 68 grand grand JJ 39928 1940 69 drama drama NN 39928 1940 70 of of IN 39928 1940 71 human human JJ 39928 1940 72 history history NN 39928 1940 73 , , , 39928 1940 74 and and CC 39928 1940 75 the the DT 39928 1940 76 development development NN 39928 1940 77 of of IN 39928 1940 78 the the DT 39928 1940 79 full full JJ 39928 1940 80 possibilities possibility NNS 39928 1940 81 of of IN 39928 1940 82 the the DT 39928 1940 83 mental mental JJ 39928 1940 84 and and CC 39928 1940 85 moral moral JJ 39928 1940 86 nature nature NN 39928 1940 87 of of IN 39928 1940 88 man man NN 39928 1940 89 . . . 39928 1941 1 We -PRON- PRP 39928 1941 2 have have VBP 39928 1941 3 here here RB 39928 1941 4 , , , 39928 1941 5 then then RB 39928 1941 6 , , , 39928 1941 7 a a DT 39928 1941 8 very very RB 39928 1941 9 powerful powerful JJ 39928 1941 10 argument argument NN 39928 1941 11 , , , 39928 1941 12 from from IN 39928 1941 13 a a DT 39928 1941 14 different different JJ 39928 1941 15 point point NN 39928 1941 16 of of IN 39928 1941 17 view view NN 39928 1941 18 than than IN 39928 1941 19 any any DT 39928 1941 20 previously previously RB 39928 1941 21 considered consider VBN 39928 1941 22 , , , 39928 1941 23 for for IN 39928 1941 24 the the DT 39928 1941 25 conclusion conclusion NN 39928 1941 26 that that IN 39928 1941 27 man man NN 39928 1941 28 's 's POS 39928 1941 29 place place NN 39928 1941 30 in in IN 39928 1941 31 the the DT 39928 1941 32 solar solar JJ 39928 1941 33 system system NN 39928 1941 34 is be VBZ 39928 1941 35 altogether altogether RB 39928 1941 36 unique unique JJ 39928 1941 37 , , , 39928 1941 38 and and CC 39928 1941 39 that that IN 39928 1941 40 no no DT 39928 1941 41 other other JJ 39928 1941 42 planet planet NN 39928 1941 43 either either CC 39928 1941 44 has have VBZ 39928 1941 45 developed develop VBN 39928 1941 46 or or CC 39928 1941 47 can can MD 39928 1941 48 develop develop VB 39928 1941 49 such such PDT 39928 1941 50 a a DT 39928 1941 51 full full JJ 39928 1941 52 and and CC 39928 1941 53 complete complete JJ 39928 1941 54 life life NN 39928 1941 55 - - HYPH 39928 1941 56 series series NN 39928 1941 57 as as IN 39928 1941 58 that that DT 39928 1941 59 which which WDT 39928 1941 60 the the DT 39928 1941 61 earth earth NN 39928 1941 62 has have VBZ 39928 1941 63 actually actually RB 39928 1941 64 developed develop VBN 39928 1941 65 . . . 39928 1942 1 Even even RB 39928 1942 2 if if IN 39928 1942 3 the the DT 39928 1942 4 conditions condition NNS 39928 1942 5 had have VBD 39928 1942 6 been be VBN 39928 1942 7 more more RBR 39928 1942 8 favourable favourable JJ 39928 1942 9 than than IN 39928 1942 10 they -PRON- PRP 39928 1942 11 are be VBP 39928 1942 12 seen see VBN 39928 1942 13 to to TO 39928 1942 14 be be VB 39928 1942 15 on on IN 39928 1942 16 other other JJ 39928 1942 17 planets planet NNS 39928 1942 18 , , , 39928 1942 19 Mercury Mercury NNP 39928 1942 20 , , , 39928 1942 21 Venus Venus NNP 39928 1942 22 , , , 39928 1942 23 and and CC 39928 1942 24 Mars Mars NNP 39928 1942 25 could could MD 39928 1942 26 not not RB 39928 1942 27 possibly possibly RB 39928 1942 28 have have VB 39928 1942 29 preserved preserve VBN 39928 1942 30 equability equability NN 39928 1942 31 of of IN 39928 1942 32 conditions condition NNS 39928 1942 33 long long JJ 39928 1942 34 enough enough RB 39928 1942 35 for for IN 39928 1942 36 life life NN 39928 1942 37 - - HYPH 39928 1942 38 development development NN 39928 1942 39 , , , 39928 1942 40 since since IN 39928 1942 41 for for IN 39928 1942 42 unknown unknown JJ 39928 1942 43 ages age NNS 39928 1942 44 they -PRON- PRP 39928 1942 45 must must MD 39928 1942 46 have have VB 39928 1942 47 been be VBN 39928 1942 48 passing pass VBG 39928 1942 49 slowly slowly RB 39928 1942 50 towards towards IN 39928 1942 51 their -PRON- PRP$ 39928 1942 52 present present NN 39928 1942 53 wholly wholly RB 39928 1942 54 _ _ NNP 39928 1942 55 unsuitable unsuitable JJ 39928 1942 56 _ _ NNP 39928 1942 57 conditions condition NNS 39928 1942 58 ; ; : 39928 1942 59 while while IN 39928 1942 60 Jupiter Jupiter NNP 39928 1942 61 and and CC 39928 1942 62 the the DT 39928 1942 63 planets planet NNS 39928 1942 64 beyond beyond IN 39928 1942 65 him -PRON- PRP 39928 1942 66 , , , 39928 1942 67 whose whose WP$ 39928 1942 68 epoch epoch NN 39928 1942 69 of of IN 39928 1942 70 life life NN 39928 1942 71 - - HYPH 39928 1942 72 development development NN 39928 1942 73 is be VBZ 39928 1942 74 supposed suppose VBN 39928 1942 75 to to TO 39928 1942 76 be be VB 39928 1942 77 in in IN 39928 1942 78 the the DT 39928 1942 79 remote remote JJ 39928 1942 80 future future NN 39928 1942 81 when when WRB 39928 1942 82 they -PRON- PRP 39928 1942 83 shall shall MD 39928 1942 84 have have VB 39928 1942 85 slowly slowly RB 39928 1942 86 cooled cool VBN 39928 1942 87 down down RP 39928 1942 88 to to IN 39928 1942 89 habitability habitability NN 39928 1942 90 , , , 39928 1942 91 will will MD 39928 1942 92 then then RB 39928 1942 93 be be VB 39928 1942 94 still still RB 39928 1942 95 more more RBR 39928 1942 96 faintly faintly RB 39928 1942 97 illuminated illuminate VBN 39928 1942 98 and and CC 39928 1942 99 scantily scantily RB 39928 1942 100 warmed warm VBN 39928 1942 101 by by IN 39928 1942 102 a a DT 39928 1942 103 rapidly rapidly RB 39928 1942 104 cooling cool VBG 39928 1942 105 sun sun NN 39928 1942 106 , , , 39928 1942 107 and and CC 39928 1942 108 may may MD 39928 1942 109 thus thus RB 39928 1942 110 become become VB 39928 1942 111 , , , 39928 1942 112 at at IN 39928 1942 113 the the DT 39928 1942 114 best good JJS 39928 1942 115 , , , 39928 1942 116 globes globe NNS 39928 1942 117 of of IN 39928 1942 118 solid solid JJ 39928 1942 119 ice ice NN 39928 1942 120 . . . 39928 1943 1 This this DT 39928 1943 2 is be VBZ 39928 1943 3 the the DT 39928 1943 4 teaching teaching NN 39928 1943 5 of of IN 39928 1943 6 science science NN 39928 1943 7 -- -- : 39928 1943 8 of of IN 39928 1943 9 the the DT 39928 1943 10 best good JJS 39928 1943 11 science science NN 39928 1943 12 of of IN 39928 1943 13 the the DT 39928 1943 14 twentieth twentieth JJ 39928 1943 15 century century NN 39928 1943 16 . . . 39928 1944 1 Yet yet CC 39928 1944 2 we -PRON- PRP 39928 1944 3 find find VBP 39928 1944 4 even even RB 39928 1944 5 astronomers astronomer NNS 39928 1944 6 who who WP 39928 1944 7 , , , 39928 1944 8 more more JJR 39928 1944 9 than than IN 39928 1944 10 any any DT 39928 1944 11 other other JJ 39928 1944 12 exponents exponent NNS 39928 1944 13 of of IN 39928 1944 14 science science NN 39928 1944 15 , , , 39928 1944 16 should should MD 39928 1944 17 give give VB 39928 1944 18 heed heed NN 39928 1944 19 to to IN 39928 1944 20 the the DT 39928 1944 21 teachings teaching NNS 39928 1944 22 of of IN 39928 1944 23 the the DT 39928 1944 24 sister sister NN 39928 1944 25 sciences science VBZ 39928 1944 26 to to TO 39928 1944 27 which which WDT 39928 1944 28 they -PRON- PRP 39928 1944 29 owe owe VBP 39928 1944 30 so so RB 39928 1944 31 much much RB 39928 1944 32 , , , 39928 1944 33 indulging indulge VBG 39928 1944 34 in in IN 39928 1944 35 such such JJ 39928 1944 36 rhapsodies rhapsody NNS 39928 1944 37 as as IN 39928 1944 38 the the DT 39928 1944 39 following:--'In following:--'in CD 39928 1944 40 our -PRON- PRP$ 39928 1944 41 solar solar JJ 39928 1944 42 system system NN 39928 1944 43 , , , 39928 1944 44 this this DT 39928 1944 45 little little JJ 39928 1944 46 earth earth NN 39928 1944 47 has have VBZ 39928 1944 48 not not RB 39928 1944 49 obtained obtain VBN 39928 1944 50 any any DT 39928 1944 51 special special JJ 39928 1944 52 privileges privilege NNS 39928 1944 53 from from IN 39928 1944 54 Nature Nature NNP 39928 1944 55 , , , 39928 1944 56 and and CC 39928 1944 57 it -PRON- PRP 39928 1944 58 is be VBZ 39928 1944 59 strange strange JJ 39928 1944 60 to to TO 39928 1944 61 wish wish VB 39928 1944 62 to to TO 39928 1944 63 confine confine VB 39928 1944 64 life life NN 39928 1944 65 within within IN 39928 1944 66 the the DT 39928 1944 67 circle circle NN 39928 1944 68 of of IN 39928 1944 69 terrestrial terrestrial JJ 39928 1944 70 chemistry chemistry NN 39928 1944 71 . . . 39928 1944 72 ' ' '' 39928 1945 1 And and CC 39928 1945 2 again again RB 39928 1945 3 : : : 39928 1945 4 ' ' '' 39928 1945 5 Infinity Infinity NNP 39928 1945 6 encompasses encompass VBZ 39928 1945 7 us -PRON- PRP 39928 1945 8 on on IN 39928 1945 9 all all DT 39928 1945 10 sides side NNS 39928 1945 11 , , , 39928 1945 12 life life NN 39928 1945 13 asserts assert VBZ 39928 1945 14 itself -PRON- PRP 39928 1945 15 , , , 39928 1945 16 universal universal JJ 39928 1945 17 and and CC 39928 1945 18 eternal eternal JJ 39928 1945 19 , , , 39928 1945 20 our -PRON- PRP$ 39928 1945 21 existence existence NN 39928 1945 22 is be VBZ 39928 1945 23 but but CC 39928 1945 24 a a DT 39928 1945 25 fleeting fleeting JJ 39928 1945 26 moment moment NN 39928 1945 27 , , , 39928 1945 28 the the DT 39928 1945 29 vibration vibration NN 39928 1945 30 of of IN 39928 1945 31 an an DT 39928 1945 32 atom atom NN 39928 1945 33 in in IN 39928 1945 34 a a DT 39928 1945 35 ray ray NN 39928 1945 36 of of IN 39928 1945 37 the the DT 39928 1945 38 sun sun NN 39928 1945 39 , , , 39928 1945 40 and and CC 39928 1945 41 our -PRON- PRP$ 39928 1945 42 planet planet NN 39928 1945 43 is be VBZ 39928 1945 44 but but CC 39928 1945 45 an an DT 39928 1945 46 island island NN 39928 1945 47 floating float VBG 39928 1945 48 in in IN 39928 1945 49 the the DT 39928 1945 50 celestial celestial JJ 39928 1945 51 archipelago archipelago NN 39928 1945 52 , , , 39928 1945 53 to to TO 39928 1945 54 which which WDT 39928 1945 55 no no DT 39928 1945 56 thought thought NN 39928 1945 57 will will MD 39928 1945 58 ever ever RB 39928 1945 59 place place VB 39928 1945 60 any any DT 39928 1945 61 bounds bound NNS 39928 1945 62 . . . 39928 1946 1 ' ' `` 39928 1946 2 [ [ -LRB- 39928 1946 3 20 20 CD 39928 1946 4 ] ] -RRB- 39928 1946 5 In in IN 39928 1946 6 place place NN 39928 1946 7 of of IN 39928 1946 8 such such JJ 39928 1946 9 ' ' `` 39928 1946 10 wild wild JJ 39928 1946 11 and and CC 39928 1946 12 whirling whirl VBG 39928 1946 13 words word NNS 39928 1946 14 , , , 39928 1946 15 ' ' '' 39928 1946 16 I -PRON- PRP 39928 1946 17 have have VBP 39928 1946 18 endeavoured endeavour VBN 39928 1946 19 to to TO 39928 1946 20 state state VB 39928 1946 21 the the DT 39928 1946 22 sober sober JJ 39928 1946 23 conclusions conclusion NNS 39928 1946 24 of of IN 39928 1946 25 the the DT 39928 1946 26 best good JJS 39928 1946 27 workers worker NNS 39928 1946 28 and and CC 39928 1946 29 thinkers thinker NNS 39928 1946 30 as as IN 39928 1946 31 to to IN 39928 1946 32 the the DT 39928 1946 33 nature nature NN 39928 1946 34 and and CC 39928 1946 35 origin origin NN 39928 1946 36 of of IN 39928 1946 37 the the DT 39928 1946 38 world world NN 39928 1946 39 in in IN 39928 1946 40 which which WDT 39928 1946 41 we -PRON- PRP 39928 1946 42 live live VBP 39928 1946 43 , , , 39928 1946 44 and and CC 39928 1946 45 of of IN 39928 1946 46 the the DT 39928 1946 47 universe universe NN 39928 1946 48 which which WDT 39928 1946 49 on on IN 39928 1946 50 all all DT 39928 1946 51 sides side NNS 39928 1946 52 surrounds surround VBZ 39928 1946 53 us -PRON- PRP 39928 1946 54 . . . 39928 1947 1 I -PRON- PRP 39928 1947 2 leave leave VBP 39928 1947 3 it -PRON- PRP 39928 1947 4 to to IN 39928 1947 5 my -PRON- PRP$ 39928 1947 6 readers reader NNS 39928 1947 7 to to TO 39928 1947 8 decide decide VB 39928 1947 9 which which WDT 39928 1947 10 is be VBZ 39928 1947 11 the the DT 39928 1947 12 more more RBR 39928 1947 13 trustworthy trustworthy JJ 39928 1947 14 guide guide NN 39928 1947 15 . . . 39928 1948 1 FOOTNOTES footnote NNS 39928 1948 2 : : : 39928 1948 3 [ [ -LRB- 39928 1948 4 18 18 CD 39928 1948 5 ] ] -RRB- 39928 1948 6 _ _ NNP 39928 1948 7 Transactions Transactions NNPS 39928 1948 8 of of IN 39928 1948 9 Royal Royal NNP 39928 1948 10 Dublin Dublin NNP 39928 1948 11 Society Society NNP 39928 1948 12 _ _ NNP 39928 1948 13 , , , 39928 1948 14 vol vol NNP 39928 1948 15 . . . 39928 1949 1 vi vi NNP 39928 1949 2 . . . 39928 1950 1 ( ( -LRB- 39928 1950 2 ser ser NNP 39928 1950 3 . . . 39928 1951 1 ii ii LS 39928 1951 2 . . . 39928 1952 1 ) ) -RRB- 39928 1952 2 , , , 39928 1952 3 part part NN 39928 1952 4 xiii xiii NNP 39928 1952 5 . . . 39928 1953 1 ' ' `` 39928 1953 2 Of of IN 39928 1953 3 Atmospheres atmosphere NNS 39928 1953 4 upon upon IN 39928 1953 5 Planets Planets NNPS 39928 1953 6 and and CC 39928 1953 7 Satellites Satellites NNPS 39928 1953 8 . . . 39928 1953 9 ' ' '' 39928 1954 1 By by IN 39928 1954 2 G. G. NNP 39928 1954 3 Johnstone Johnstone NNP 39928 1954 4 Stoney Stoney NNP 39928 1954 5 , , , 39928 1954 6 F.R.S. F.R.S. NNP 39928 1954 7 , , , 39928 1954 8 etc etc FW 39928 1954 9 . . . 39928 1955 1 etc etc FW 39928 1955 2 . . . 39928 1956 1 [ [ -LRB- 39928 1956 2 19 19 CD 39928 1956 3 ] ] -RRB- 39928 1956 4 _ _ NNP 39928 1956 5 Knowledge Knowledge NNP 39928 1956 6 _ _ NNP 39928 1956 7 , , , 39928 1956 8 June June NNP 39928 1956 9 1903 1903 CD 39928 1956 10 . . . 39928 1957 1 [ [ -LRB- 39928 1957 2 20 20 CD 39928 1957 3 ] ] -RRB- 39928 1957 4 M. M. NNP 39928 1957 5 Camille Camille NNP 39928 1957 6 Flammarion Flammarion NNP 39928 1957 7 , , , 39928 1957 8 in in IN 39928 1957 9 _ _ NNP 39928 1957 10 Knowledge Knowledge NNP 39928 1957 11 _ _ NNP 39928 1957 12 , , , 39928 1957 13 June June NNP 39928 1957 14 1903 1903 CD 39928 1957 15 . . . 39928 1958 1 CHAPTER chapter NN 39928 1958 2 XV XV NNP 39928 1958 3 THE the DT 39928 1958 4 STARS star NNS 39928 1958 5 -- -- : 39928 1958 6 HAVE have VBP 39928 1958 7 THEY they NN 39928 1958 8 PLANETARY planetary FW 39928 1958 9 SYSTEMS system NNS 39928 1958 10 ? ? . 39928 1959 1 ARE are VBP 39928 1959 2 THEY they PRP 39928 1959 3 BENEFICIAL beneficial NN 39928 1959 4 TO to IN 39928 1959 5 US US NNP 39928 1959 6 ? ? . 39928 1960 1 Most Most JJS 39928 1960 2 of of IN 39928 1960 3 the the DT 39928 1960 4 writers writer NNS 39928 1960 5 on on IN 39928 1960 6 the the DT 39928 1960 7 Plurality Plurality NNP 39928 1960 8 of of IN 39928 1960 9 Worlds Worlds NNP 39928 1960 10 , , , 39928 1960 11 from from IN 39928 1960 12 Fontenelle Fontenelle NNP 39928 1960 13 to to IN 39928 1960 14 Proctor Proctor NNP 39928 1960 15 , , , 39928 1960 16 taking take VBG 39928 1960 17 into into IN 39928 1960 18 consideration consideration NN 39928 1960 19 the the DT 39928 1960 20 enormous enormous JJ 39928 1960 21 number number NN 39928 1960 22 of of IN 39928 1960 23 the the DT 39928 1960 24 stars star NNS 39928 1960 25 and and CC 39928 1960 26 their -PRON- PRP$ 39928 1960 27 apparent apparent JJ 39928 1960 28 uselessness uselessness NN 39928 1960 29 to to IN 39928 1960 30 our -PRON- PRP$ 39928 1960 31 world world NN 39928 1960 32 , , , 39928 1960 33 have have VBP 39928 1960 34 assumed assume VBN 39928 1960 35 that that IN 39928 1960 36 many many JJ 39928 1960 37 of of IN 39928 1960 38 them -PRON- PRP 39928 1960 39 _ _ NNP 39928 1960 40 must must MD 39928 1960 41 _ _ NNP 39928 1960 42 have have VB 39928 1960 43 systems system NNS 39928 1960 44 of of IN 39928 1960 45 planets planet NNS 39928 1960 46 circling circle VBG 39928 1960 47 round round IN 39928 1960 48 them -PRON- PRP 39928 1960 49 , , , 39928 1960 50 and and CC 39928 1960 51 that that IN 39928 1960 52 some some DT 39928 1960 53 of of IN 39928 1960 54 these these DT 39928 1960 55 planets planet NNS 39928 1960 56 , , , 39928 1960 57 at at IN 39928 1960 58 all all DT 39928 1960 59 events event NNS 39928 1960 60 , , , 39928 1960 61 _ _ NNP 39928 1960 62 must must MD 39928 1960 63 _ _ NNP 39928 1960 64 possess possess VB 39928 1960 65 inhabitants inhabitant NNS 39928 1960 66 , , , 39928 1960 67 some some DT 39928 1960 68 , , , 39928 1960 69 perhaps perhaps RB 39928 1960 70 , , , 39928 1960 71 lower low JJR 39928 1960 72 , , , 39928 1960 73 but but CC 39928 1960 74 others other NNS 39928 1960 75 no no RB 39928 1960 76 doubt doubt RB 39928 1960 77 higher high JJR 39928 1960 78 than than IN 39928 1960 79 ourselves -PRON- PRP 39928 1960 80 . . . 39928 1961 1 One one CD 39928 1961 2 of of IN 39928 1961 3 our -PRON- PRP$ 39928 1961 4 well well RB 39928 1961 5 - - HYPH 39928 1961 6 known know VBN 39928 1961 7 modern modern JJ 39928 1961 8 astronomers astronomer NNS 39928 1961 9 , , , 39928 1961 10 writing write VBG 39928 1961 11 only only RB 39928 1961 12 ten ten CD 39928 1961 13 years year NNS 39928 1961 14 ago ago RB 39928 1961 15 , , , 39928 1961 16 adopts adopt VBZ 39928 1961 17 the the DT 39928 1961 18 same same JJ 39928 1961 19 view view NN 39928 1961 20 . . . 39928 1962 1 He -PRON- PRP 39928 1962 2 says say VBZ 39928 1962 3 : : : 39928 1962 4 ' ' `` 39928 1962 5 The the DT 39928 1962 6 suns sun NNS 39928 1962 7 which which WDT 39928 1962 8 we -PRON- PRP 39928 1962 9 call call VBP 39928 1962 10 stars star NNS 39928 1962 11 were be VBD 39928 1962 12 clearly clearly RB 39928 1962 13 not not RB 39928 1962 14 created create VBN 39928 1962 15 for for IN 39928 1962 16 our -PRON- PRP$ 39928 1962 17 benefit benefit NN 39928 1962 18 . . . 39928 1963 1 They -PRON- PRP 39928 1963 2 are be VBP 39928 1963 3 of of IN 39928 1963 4 very very RB 39928 1963 5 little little JJ 39928 1963 6 practical practical JJ 39928 1963 7 use use NN 39928 1963 8 to to IN 39928 1963 9 the the DT 39928 1963 10 earth earth NN 39928 1963 11 's 's POS 39928 1963 12 inhabitants inhabitant NNS 39928 1963 13 . . . 39928 1964 1 They -PRON- PRP 39928 1964 2 give give VBP 39928 1964 3 us -PRON- PRP 39928 1964 4 very very RB 39928 1964 5 little little JJ 39928 1964 6 light light NN 39928 1964 7 ; ; : 39928 1964 8 an an DT 39928 1964 9 additional additional JJ 39928 1964 10 small small JJ 39928 1964 11 satellite satellite NN 39928 1964 12 -- -- : 39928 1964 13 one one PRP 39928 1964 14 considerably considerably RB 39928 1964 15 smaller small JJR 39928 1964 16 than than IN 39928 1964 17 the the DT 39928 1964 18 moon moon NN 39928 1964 19 -- -- : 39928 1964 20 would would MD 39928 1964 21 have have VB 39928 1964 22 been be VBN 39928 1964 23 much much RB 39928 1964 24 more more RBR 39928 1964 25 useful useful JJ 39928 1964 26 in in IN 39928 1964 27 this this DT 39928 1964 28 respect respect NN 39928 1964 29 than than IN 39928 1964 30 the the DT 39928 1964 31 millions million NNS 39928 1964 32 of of IN 39928 1964 33 stars star NNS 39928 1964 34 revealed reveal VBN 39928 1964 35 by by IN 39928 1964 36 the the DT 39928 1964 37 telescope telescope NN 39928 1964 38 . . . 39928 1965 1 They -PRON- PRP 39928 1965 2 must must MD 39928 1965 3 therefore therefore RB 39928 1965 4 have have VB 39928 1965 5 been be VBN 39928 1965 6 formed form VBN 39928 1965 7 for for IN 39928 1965 8 some some DT 39928 1965 9 other other JJ 39928 1965 10 purpose purpose NN 39928 1965 11 .... .... . 39928 1965 12 We -PRON- PRP 39928 1965 13 may may MD 39928 1965 14 therefore therefore RB 39928 1965 15 conclude conclude VB 39928 1965 16 , , , 39928 1965 17 with with IN 39928 1965 18 a a DT 39928 1965 19 high high JJ 39928 1965 20 degree degree NN 39928 1965 21 of of IN 39928 1965 22 probability probability NN 39928 1965 23 , , , 39928 1965 24 that that IN 39928 1965 25 the the DT 39928 1965 26 stars star NNS 39928 1965 27 -- -- : 39928 1965 28 at at IN 39928 1965 29 least least JJS 39928 1965 30 those those DT 39928 1965 31 with with IN 39928 1965 32 spectra spectra NN 39928 1965 33 of of IN 39928 1965 34 the the DT 39928 1965 35 solar solar JJ 39928 1965 36 type type NN 39928 1965 37 -- -- : 39928 1965 38 form form NN 39928 1965 39 centres centre NNS 39928 1965 40 of of IN 39928 1965 41 planetary planetary NN 39928 1965 42 systems system NNS 39928 1965 43 somewhat somewhat RB 39928 1965 44 similar similar JJ 39928 1965 45 to to IN 39928 1965 46 our -PRON- PRP$ 39928 1965 47 own own JJ 39928 1965 48 . . . 39928 1966 1 ' ' `` 39928 1966 2 [ [ -LRB- 39928 1966 3 21 21 CD 39928 1966 4 ] ] -RRB- 39928 1966 5 The the DT 39928 1966 6 author author NN 39928 1966 7 then then RB 39928 1966 8 discusses discuss VBZ 39928 1966 9 the the DT 39928 1966 10 conditions condition NNS 39928 1966 11 necessary necessary JJ 39928 1966 12 for for IN 39928 1966 13 life life NN 39928 1966 14 analogous analogous JJ 39928 1966 15 to to IN 39928 1966 16 that that DT 39928 1966 17 of of IN 39928 1966 18 our -PRON- PRP$ 39928 1966 19 earth earth NN 39928 1966 20 , , , 39928 1966 21 as as IN 39928 1966 22 regards regard VBZ 39928 1966 23 temperature temperature NN 39928 1966 24 , , , 39928 1966 25 rotation rotation NN 39928 1966 26 , , , 39928 1966 27 mass mass NN 39928 1966 28 , , , 39928 1966 29 atmosphere atmosphere NN 39928 1966 30 , , , 39928 1966 31 water water NN 39928 1966 32 , , , 39928 1966 33 etc etc FW 39928 1966 34 . . FW 39928 1966 35 , , , 39928 1966 36 and and CC 39928 1966 37 he -PRON- PRP 39928 1966 38 is be VBZ 39928 1966 39 the the DT 39928 1966 40 only only JJ 39928 1966 41 writer writer NN 39928 1966 42 I -PRON- PRP 39928 1966 43 have have VBP 39928 1966 44 met meet VBN 39928 1966 45 with with IN 39928 1966 46 who who WP 39928 1966 47 has have VBZ 39928 1966 48 considered consider VBN 39928 1966 49 these these DT 39928 1966 50 conditions condition NNS 39928 1966 51 ; ; : 39928 1966 52 but but CC 39928 1966 53 he -PRON- PRP 39928 1966 54 touches touch VBZ 39928 1966 55 on on IN 39928 1966 56 them -PRON- PRP 39928 1966 57 very very RB 39928 1966 58 briefly briefly RB 39928 1966 59 , , , 39928 1966 60 and and CC 39928 1966 61 he -PRON- PRP 39928 1966 62 arrives arrive VBZ 39928 1966 63 at at IN 39928 1966 64 the the DT 39928 1966 65 conclusion conclusion NN 39928 1966 66 that that IN 39928 1966 67 , , , 39928 1966 68 in in IN 39928 1966 69 the the DT 39928 1966 70 case case NN 39928 1966 71 of of IN 39928 1966 72 the the DT 39928 1966 73 stars star NNS 39928 1966 74 of of IN 39928 1966 75 solar solar JJ 39928 1966 76 type type NN 39928 1966 77 , , , 39928 1966 78 it -PRON- PRP 39928 1966 79 is be VBZ 39928 1966 80 probable probable JJ 39928 1966 81 that that IN 39928 1966 82 _ _ NNP 39928 1966 83 one one CD 39928 1966 84 _ _ NNP 39928 1966 85 planet planet NN 39928 1966 86 , , , 39928 1966 87 situated situate VBN 39928 1966 88 at at IN 39928 1966 89 a a DT 39928 1966 90 proper proper JJ 39928 1966 91 distance distance NN 39928 1966 92 , , , 39928 1966 93 would would MD 39928 1966 94 be be VB 39928 1966 95 fitted fit VBN 39928 1966 96 to to TO 39928 1966 97 support support VB 39928 1966 98 life life NN 39928 1966 99 . . . 39928 1967 1 He -PRON- PRP 39928 1967 2 estimates estimate VBZ 39928 1967 3 roughly roughly RB 39928 1967 4 that that IN 39928 1967 5 there there EX 39928 1967 6 are be VBP 39928 1967 7 about about RB 39928 1967 8 ten ten CD 39928 1967 9 million million CD 39928 1967 10 stars star NNS 39928 1967 11 of of IN 39928 1967 12 this this DT 39928 1967 13 type type NN 39928 1967 14 , , , 39928 1967 15 that that RB 39928 1967 16 is is RB 39928 1967 17 , , , 39928 1967 18 closely closely RB 39928 1967 19 resembling resemble VBG 39928 1967 20 our -PRON- PRP$ 39928 1967 21 sun sun NN 39928 1967 22 , , , 39928 1967 23 and and CC 39928 1967 24 that that IN 39928 1967 25 if if IN 39928 1967 26 only only RB 39928 1967 27 one one CD 39928 1967 28 in in IN 39928 1967 29 ten ten CD 39928 1967 30 of of IN 39928 1967 31 these these DT 39928 1967 32 has have VBZ 39928 1967 33 a a DT 39928 1967 34 planet planet NN 39928 1967 35 at at IN 39928 1967 36 the the DT 39928 1967 37 proper proper JJ 39928 1967 38 distance distance NN 39928 1967 39 and and CC 39928 1967 40 properly properly RB 39928 1967 41 constituted constitute VBN 39928 1967 42 in in IN 39928 1967 43 other other JJ 39928 1967 44 respects respect NNS 39928 1967 45 , , , 39928 1967 46 there there EX 39928 1967 47 will will MD 39928 1967 48 be be VB 39928 1967 49 one one CD 39928 1967 50 million million CD 39928 1967 51 worlds world NNS 39928 1967 52 fitted fit VBN 39928 1967 53 for for IN 39928 1967 54 the the DT 39928 1967 55 support support NN 39928 1967 56 of of IN 39928 1967 57 animal animal NN 39928 1967 58 life life NN 39928 1967 59 . . . 39928 1968 1 He -PRON- PRP 39928 1968 2 therefore therefore RB 39928 1968 3 concludes conclude VBZ 39928 1968 4 that that IN 39928 1968 5 there there EX 39928 1968 6 are be VBP 39928 1968 7 probably probably RB 39928 1968 8 many many JJ 39928 1968 9 stars star NNS 39928 1968 10 having have VBG 39928 1968 11 life life NN 39928 1968 12 - - HYPH 39928 1968 13 bearing bear VBG 39928 1968 14 planets planet NNS 39928 1968 15 revolving revolve VBG 39928 1968 16 round round IN 39928 1968 17 them -PRON- PRP 39928 1968 18 . . . 39928 1969 1 There there EX 39928 1969 2 are be VBP 39928 1969 3 , , , 39928 1969 4 however however RB 39928 1969 5 , , , 39928 1969 6 many many JJ 39928 1969 7 considerations consideration NNS 39928 1969 8 not not RB 39928 1969 9 taken take VBN 39928 1969 10 account account NN 39928 1969 11 of of IN 39928 1969 12 by by IN 39928 1969 13 this this DT 39928 1969 14 writer writer NN 39928 1969 15 which which WDT 39928 1969 16 tend tend VBP 39928 1969 17 to to TO 39928 1969 18 reduce reduce VB 39928 1969 19 very very RB 39928 1969 20 considerably considerably RB 39928 1969 21 the the DT 39928 1969 22 above above JJ 39928 1969 23 estimate estimate NN 39928 1969 24 . . . 39928 1970 1 It -PRON- PRP 39928 1970 2 is be VBZ 39928 1970 3 now now RB 39928 1970 4 known know VBN 39928 1970 5 that that IN 39928 1970 6 immense immense JJ 39928 1970 7 numbers number NNS 39928 1970 8 of of IN 39928 1970 9 the the DT 39928 1970 10 stars star NNS 39928 1970 11 of of IN 39928 1970 12 smaller small JJR 39928 1970 13 magnitudes magnitude NNS 39928 1970 14 are be VBP 39928 1970 15 nearer nearer JJ 39928 1970 16 to to IN 39928 1970 17 us -PRON- PRP 39928 1970 18 than than IN 39928 1970 19 are be VBP 39928 1970 20 the the DT 39928 1970 21 majority majority NN 39928 1970 22 of of IN 39928 1970 23 the the DT 39928 1970 24 stars star NNS 39928 1970 25 of of IN 39928 1970 26 the the DT 39928 1970 27 first first JJ 39928 1970 28 and and CC 39928 1970 29 second second JJ 39928 1970 30 magnitudes magnitude NNS 39928 1970 31 , , , 39928 1970 32 so so IN 39928 1970 33 that that IN 39928 1970 34 it -PRON- PRP 39928 1970 35 is be VBZ 39928 1970 36 probable probable JJ 39928 1970 37 that that IN 39928 1970 38 these these DT 39928 1970 39 , , , 39928 1970 40 as as RB 39928 1970 41 well well RB 39928 1970 42 as as IN 39928 1970 43 a a DT 39928 1970 44 considerable considerable JJ 39928 1970 45 proportion proportion NN 39928 1970 46 of of IN 39928 1970 47 the the DT 39928 1970 48 very very RB 39928 1970 49 faint faint JJ 39928 1970 50 telescopic telescopic JJ 39928 1970 51 stars star NNS 39928 1970 52 , , , 39928 1970 53 are be VBP 39928 1970 54 really really RB 39928 1970 55 of of IN 39928 1970 56 small small JJ 39928 1970 57 dimensions dimension NNS 39928 1970 58 . . . 39928 1971 1 We -PRON- PRP 39928 1971 2 have have VBP 39928 1971 3 evidence evidence NN 39928 1971 4 that that IN 39928 1971 5 many many JJ 39928 1971 6 of of IN 39928 1971 7 the the DT 39928 1971 8 brightest bright JJS 39928 1971 9 stars star NNS 39928 1971 10 are be VBP 39928 1971 11 much much RB 39928 1971 12 larger large JJR 39928 1971 13 than than IN 39928 1971 14 our -PRON- PRP$ 39928 1971 15 sun sun NN 39928 1971 16 , , , 39928 1971 17 but but CC 39928 1971 18 there there EX 39928 1971 19 are be VBP 39928 1971 20 probably probably RB 39928 1971 21 ten ten CD 39928 1971 22 times time NNS 39928 1971 23 as as RB 39928 1971 24 many many JJ 39928 1971 25 that that WDT 39928 1971 26 are be VBP 39928 1971 27 much much RB 39928 1971 28 smaller small JJR 39928 1971 29 . . . 39928 1972 1 We -PRON- PRP 39928 1972 2 have have VBP 39928 1972 3 seen see VBN 39928 1972 4 that that IN 39928 1972 5 the the DT 39928 1972 6 whole whole NN 39928 1972 7 of of IN 39928 1972 8 the the DT 39928 1972 9 past past JJ 39928 1972 10 light light NN 39928 1972 11 and and CC 39928 1972 12 heat heat NN 39928 1972 13 - - HYPH 39928 1972 14 giving give VBG 39928 1972 15 duration duration NN 39928 1972 16 of of IN 39928 1972 17 our -PRON- PRP$ 39928 1972 18 sun sun NN 39928 1972 19 has have VBZ 39928 1972 20 , , , 39928 1972 21 according accord VBG 39928 1972 22 to to IN 39928 1972 23 the the DT 39928 1972 24 best good JJS 39928 1972 25 authorities authority NNS 39928 1972 26 , , , 39928 1972 27 been be VBN 39928 1972 28 only only RB 39928 1972 29 just just RB 39928 1972 30 sufficient sufficient JJ 39928 1972 31 for for IN 39928 1972 32 the the DT 39928 1972 33 development development NN 39928 1972 34 of of IN 39928 1972 35 life life NN 39928 1972 36 upon upon IN 39928 1972 37 the the DT 39928 1972 38 earth earth NN 39928 1972 39 . . . 39928 1973 1 But but CC 39928 1973 2 the the DT 39928 1973 3 duration duration NN 39928 1973 4 of of IN 39928 1973 5 a a DT 39928 1973 6 sun sun NN 39928 1973 7 's 's POS 39928 1973 8 heat heat NN 39928 1973 9 - - HYPH 39928 1973 10 giving give VBG 39928 1973 11 power power NN 39928 1973 12 will will MD 39928 1973 13 depend depend VB 39928 1973 14 mainly mainly RB 39928 1973 15 upon upon IN 39928 1973 16 its -PRON- PRP$ 39928 1973 17 mass mass NN 39928 1973 18 , , , 39928 1973 19 together together RB 39928 1973 20 with with IN 39928 1973 21 its -PRON- PRP$ 39928 1973 22 constituent constituent NN 39928 1973 23 elements element NNS 39928 1973 24 . . . 39928 1974 1 Suns sun NNS 39928 1974 2 which which WDT 39928 1974 3 are be VBP 39928 1974 4 much much RB 39928 1974 5 smaller small JJR 39928 1974 6 than than IN 39928 1974 7 ours our NNS 39928 1974 8 are be VBP 39928 1974 9 , , , 39928 1974 10 therefore therefore RB 39928 1974 11 , , , 39928 1974 12 from from IN 39928 1974 13 that that DT 39928 1974 14 cause cause NN 39928 1974 15 alone alone RB 39928 1974 16 , , , 39928 1974 17 unsuited unsuited JJ 39928 1974 18 to to TO 39928 1974 19 give give VB 39928 1974 20 adequate adequate JJ 39928 1974 21 light light NN 39928 1974 22 and and CC 39928 1974 23 heat heat NN 39928 1974 24 for for IN 39928 1974 25 a a DT 39928 1974 26 sufficient sufficient JJ 39928 1974 27 time time NN 39928 1974 28 , , , 39928 1974 29 and and CC 39928 1974 30 with with IN 39928 1974 31 sufficient sufficient JJ 39928 1974 32 uniformity uniformity NN 39928 1974 33 , , , 39928 1974 34 for for IN 39928 1974 35 life life NN 39928 1974 36 - - HYPH 39928 1974 37 development development NN 39928 1974 38 on on IN 39928 1974 39 planets planet NNS 39928 1974 40 , , , 39928 1974 41 even even RB 39928 1974 42 if if IN 39928 1974 43 they -PRON- PRP 39928 1974 44 possess possess VBP 39928 1974 45 any any DT 39928 1974 46 at at IN 39928 1974 47 the the DT 39928 1974 48 right right JJ 39928 1974 49 distance distance NN 39928 1974 50 , , , 39928 1974 51 and and CC 39928 1974 52 with with IN 39928 1974 53 the the DT 39928 1974 54 extensive extensive JJ 39928 1974 55 series series NN 39928 1974 56 of of IN 39928 1974 57 nicely nicely RB 39928 1974 58 adjusted adjust VBN 39928 1974 59 conditions condition NNS 39928 1974 60 which which WDT 39928 1974 61 I -PRON- PRP 39928 1974 62 have have VBP 39928 1974 63 shown show VBN 39928 1974 64 to to TO 39928 1974 65 be be VB 39928 1974 66 necessary necessary JJ 39928 1974 67 . . . 39928 1975 1 Again again RB 39928 1975 2 , , , 39928 1975 3 we -PRON- PRP 39928 1975 4 must must MD 39928 1975 5 , , , 39928 1975 6 probably probably RB 39928 1975 7 , , , 39928 1975 8 rule rule VB 39928 1975 9 out out RP 39928 1975 10 as as IN 39928 1975 11 unfitted unfitted JJ 39928 1975 12 for for IN 39928 1975 13 life life NN 39928 1975 14 - - HYPH 39928 1975 15 development development NN 39928 1975 16 the the DT 39928 1975 17 whole whole JJ 39928 1975 18 region region NN 39928 1975 19 of of IN 39928 1975 20 the the DT 39928 1975 21 Milky Milky NNP 39928 1975 22 Way Way NNP 39928 1975 23 , , , 39928 1975 24 on on IN 39928 1975 25 account account NN 39928 1975 26 of of IN 39928 1975 27 the the DT 39928 1975 28 excessive excessive JJ 39928 1975 29 forces force NNS 39928 1975 30 there there RB 39928 1975 31 in in IN 39928 1975 32 action action NN 39928 1975 33 , , , 39928 1975 34 as as IN 39928 1975 35 shown show VBN 39928 1975 36 by by IN 39928 1975 37 the the DT 39928 1975 38 immense immense JJ 39928 1975 39 size size NN 39928 1975 40 of of IN 39928 1975 41 many many JJ 39928 1975 42 of of IN 39928 1975 43 the the DT 39928 1975 44 stars star NNS 39928 1975 45 , , , 39928 1975 46 their -PRON- PRP$ 39928 1975 47 enormous enormous JJ 39928 1975 48 heat heat NN 39928 1975 49 - - HYPH 39928 1975 50 giving give VBG 39928 1975 51 power power NN 39928 1975 52 , , , 39928 1975 53 the the DT 39928 1975 54 crowding crowding NN 39928 1975 55 of of IN 39928 1975 56 stars star NNS 39928 1975 57 and and CC 39928 1975 58 nebulous nebulous JJ 39928 1975 59 matter matter NN 39928 1975 60 , , , 39928 1975 61 the the DT 39928 1975 62 great great JJ 39928 1975 63 number number NN 39928 1975 64 of of IN 39928 1975 65 star star NN 39928 1975 66 - - HYPH 39928 1975 67 clusters cluster NNS 39928 1975 68 , , , 39928 1975 69 and and CC 39928 1975 70 , , , 39928 1975 71 especially especially RB 39928 1975 72 , , , 39928 1975 73 because because IN 39928 1975 74 it -PRON- PRP 39928 1975 75 is be VBZ 39928 1975 76 the the DT 39928 1975 77 region region NN 39928 1975 78 of of IN 39928 1975 79 ' ' `` 39928 1975 80 new new JJ 39928 1975 81 stars star NNS 39928 1975 82 , , , 39928 1975 83 ' ' '' 39928 1975 84 which which WDT 39928 1975 85 imply imply VBP 39928 1975 86 collisions collision NNS 39928 1975 87 of of IN 39928 1975 88 masses masse NNS 39928 1975 89 of of IN 39928 1975 90 matter matter NN 39928 1975 91 sufficiently sufficiently RB 39928 1975 92 large large JJ 39928 1975 93 to to TO 39928 1975 94 become become VB 39928 1975 95 visible visible JJ 39928 1975 96 from from IN 39928 1975 97 the the DT 39928 1975 98 immense immense JJ 39928 1975 99 distance distance NN 39928 1975 100 we -PRON- PRP 39928 1975 101 are be VBP 39928 1975 102 from from IN 39928 1975 103 them -PRON- PRP 39928 1975 104 , , , 39928 1975 105 but but CC 39928 1975 106 yet yet CC 39928 1975 107 excessively excessively RB 39928 1975 108 small small JJ 39928 1975 109 as as IN 39928 1975 110 compared compare VBN 39928 1975 111 with with IN 39928 1975 112 suns sun NNS 39928 1975 113 the the DT 39928 1975 114 duration duration NN 39928 1975 115 of of IN 39928 1975 116 whose whose WP$ 39928 1975 117 light light NN 39928 1975 118 is be VBZ 39928 1975 119 to to TO 39928 1975 120 be be VB 39928 1975 121 measured measure VBN 39928 1975 122 by by IN 39928 1975 123 millions million NNS 39928 1975 124 of of IN 39928 1975 125 years year NNS 39928 1975 126 . . . 39928 1976 1 Hence hence RB 39928 1976 2 the the DT 39928 1976 3 Milky Milky NNP 39928 1976 4 Way Way NNP 39928 1976 5 is be VBZ 39928 1976 6 the the DT 39928 1976 7 theatre theatre NN 39928 1976 8 of of IN 39928 1976 9 extreme extreme JJ 39928 1976 10 activity activity NN 39928 1976 11 and and CC 39928 1976 12 motion motion NN 39928 1976 13 ; ; : 39928 1976 14 it -PRON- PRP 39928 1976 15 is be VBZ 39928 1976 16 comparatively comparatively RB 39928 1976 17 crowded crowd VBN 39928 1976 18 with with IN 39928 1976 19 matter matter NN 39928 1976 20 undergoing undergo VBG 39928 1976 21 continual continual JJ 39928 1976 22 change change NN 39928 1976 23 , , , 39928 1976 24 and and CC 39928 1976 25 is be VBZ 39928 1976 26 therefore therefore RB 39928 1976 27 not not RB 39928 1976 28 sufficiently sufficiently RB 39928 1976 29 stable stable JJ 39928 1976 30 for for IN 39928 1976 31 long long JJ 39928 1976 32 periods period NNS 39928 1976 33 to to TO 39928 1976 34 be be VB 39928 1976 35 at at RB 39928 1976 36 all all RB 39928 1976 37 likely likely JJ 39928 1976 38 to to TO 39928 1976 39 possess possess VB 39928 1976 40 habitable habitable JJ 39928 1976 41 worlds world NNS 39928 1976 42 . . . 39928 1977 1 We -PRON- PRP 39928 1977 2 must must MD 39928 1977 3 , , , 39928 1977 4 therefore therefore RB 39928 1977 5 , , , 39928 1977 6 limit limit VB 39928 1977 7 our -PRON- PRP$ 39928 1977 8 possible possible JJ 39928 1977 9 planetary planetary NN 39928 1977 10 systems system NNS 39928 1977 11 suitable suitable JJ 39928 1977 12 for for IN 39928 1977 13 life life NN 39928 1977 14 - - HYPH 39928 1977 15 development development NN 39928 1977 16 , , , 39928 1977 17 to to IN 39928 1977 18 stars star NNS 39928 1977 19 situated situate VBN 39928 1977 20 inside inside IN 39928 1977 21 the the DT 39928 1977 22 circle circle NN 39928 1977 23 of of IN 39928 1977 24 the the DT 39928 1977 25 Milky Milky NNP 39928 1977 26 Way Way NNP 39928 1977 27 and and CC 39928 1977 28 far far RB 39928 1977 29 removed remove VBN 39928 1977 30 from from IN 39928 1977 31 it -PRON- PRP 39928 1977 32 -- -- : 39928 1977 33 that that RB 39928 1977 34 is is RB 39928 1977 35 , , , 39928 1977 36 to to IN 39928 1977 37 those those DT 39928 1977 38 composing compose VBG 39928 1977 39 the the DT 39928 1977 40 solar solar JJ 39928 1977 41 cluster cluster NN 39928 1977 42 . . . 39928 1978 1 These these DT 39928 1978 2 have have VBP 39928 1978 3 been be VBN 39928 1978 4 variously variously RB 39928 1978 5 estimated estimate VBN 39928 1978 6 to to TO 39928 1978 7 consist consist VB 39928 1978 8 of of IN 39928 1978 9 a a DT 39928 1978 10 few few JJ 39928 1978 11 hundred hundred CD 39928 1978 12 or or CC 39928 1978 13 many many JJ 39928 1978 14 thousand thousand CD 39928 1978 15 stars star NNS 39928 1978 16 -- -- : 39928 1978 17 at at IN 39928 1978 18 all all DT 39928 1978 19 events event NNS 39928 1978 20 to to IN 39928 1978 21 a a DT 39928 1978 22 very very RB 39928 1978 23 small small JJ 39928 1978 24 number number NN 39928 1978 25 as as IN 39928 1978 26 compared compare VBN 39928 1978 27 with with IN 39928 1978 28 the the DT 39928 1978 29 ' ' `` 39928 1978 30 hundreds hundred NNS 39928 1978 31 of of IN 39928 1978 32 millions million NNS 39928 1978 33 ' ' '' 39928 1978 34 in in IN 39928 1978 35 the the DT 39928 1978 36 whole whole JJ 39928 1978 37 stellar stellar JJ 39928 1978 38 universe universe NN 39928 1978 39 . . . 39928 1979 1 But but CC 39928 1979 2 even even RB 39928 1979 3 here here RB 39928 1979 4 we -PRON- PRP 39928 1979 5 find find VBP 39928 1979 6 that that IN 39928 1979 7 only only RB 39928 1979 8 a a DT 39928 1979 9 portion portion NN 39928 1979 10 are be VBP 39928 1979 11 probably probably RB 39928 1979 12 suitable suitable JJ 39928 1979 13 . . . 39928 1980 1 Professor Professor NNP 39928 1980 2 Newcomb Newcomb NNP 39928 1980 3 arrives arrive VBZ 39928 1980 4 at at IN 39928 1980 5 the the DT 39928 1980 6 conclusion conclusion NN 39928 1980 7 -- -- : 39928 1980 8 as as IN 39928 1980 9 have have VBP 39928 1980 10 some some DT 39928 1980 11 other other JJ 39928 1980 12 astronomers astronomer NNS 39928 1980 13 -- -- : 39928 1980 14 that that IN 39928 1980 15 the the DT 39928 1980 16 stars star NNS 39928 1980 17 in in IN 39928 1980 18 general general JJ 39928 1980 19 have have VBP 39928 1980 20 a a DT 39928 1980 21 much much RB 39928 1980 22 smaller small JJR 39928 1980 23 mass mass NN 39928 1980 24 in in IN 39928 1980 25 proportion proportion NN 39928 1980 26 to to IN 39928 1980 27 the the DT 39928 1980 28 light light NN 39928 1980 29 they -PRON- PRP 39928 1980 30 give give VBP 39928 1980 31 than than IN 39928 1980 32 our -PRON- PRP$ 39928 1980 33 sun sun NN 39928 1980 34 has have VBZ 39928 1980 35 ; ; : 39928 1980 36 and and CC 39928 1980 37 , , , 39928 1980 38 after after IN 39928 1980 39 an an DT 39928 1980 40 elaborate elaborate JJ 39928 1980 41 discussion discussion NN 39928 1980 42 , , , 39928 1980 43 he -PRON- PRP 39928 1980 44 finally finally RB 39928 1980 45 concludes conclude VBZ 39928 1980 46 that that IN 39928 1980 47 the the DT 39928 1980 48 brighter bright JJR 39928 1980 49 stars star NNS 39928 1980 50 are be VBP 39928 1980 51 , , , 39928 1980 52 on on IN 39928 1980 53 the the DT 39928 1980 54 average average JJ 39928 1980 55 , , , 39928 1980 56 much much RB 39928 1980 57 less less RBR 39928 1980 58 dense dense JJ 39928 1980 59 than than IN 39928 1980 60 our -PRON- PRP$ 39928 1980 61 sun sun NN 39928 1980 62 . . . 39928 1981 1 In in IN 39928 1981 2 all all DT 39928 1981 3 probability probability NN 39928 1981 4 , , , 39928 1981 5 therefore therefore RB 39928 1981 6 , , , 39928 1981 7 they -PRON- PRP 39928 1981 8 can can MD 39928 1981 9 not not RB 39928 1981 10 give give VB 39928 1981 11 light light NN 39928 1981 12 and and CC 39928 1981 13 heat heat NN 39928 1981 14 for for IN 39928 1981 15 so so RB 39928 1981 16 long long RB 39928 1981 17 a a DT 39928 1981 18 period period NN 39928 1981 19 , , , 39928 1981 20 and and CC 39928 1981 21 as as IN 39928 1981 22 this this DT 39928 1981 23 period period NN 39928 1981 24 in in IN 39928 1981 25 the the DT 39928 1981 26 case case NN 39928 1981 27 of of IN 39928 1981 28 our -PRON- PRP$ 39928 1981 29 sun sun NN 39928 1981 30 has have VBZ 39928 1981 31 only only RB 39928 1981 32 been be VBN 39928 1981 33 just just RB 39928 1981 34 sufficient sufficient JJ 39928 1981 35 , , , 39928 1981 36 the the DT 39928 1981 37 number number NN 39928 1981 38 of of IN 39928 1981 39 suns sun NNS 39928 1981 40 of of IN 39928 1981 41 the the DT 39928 1981 42 solar solar JJ 39928 1981 43 type type NN 39928 1981 44 and and CC 39928 1981 45 of of IN 39928 1981 46 a a DT 39928 1981 47 sufficient sufficient JJ 39928 1981 48 mass mass NN 39928 1981 49 may may MD 39928 1981 50 be be VB 39928 1981 51 very very RB 39928 1981 52 limited limited JJ 39928 1981 53 . . . 39928 1982 1 Yet yet RB 39928 1982 2 further far RBR 39928 1982 3 , , , 39928 1982 4 even even RB 39928 1982 5 among among IN 39928 1982 6 stars star NNS 39928 1982 7 having have VBG 39928 1982 8 a a DT 39928 1982 9 similar similar JJ 39928 1982 10 physical physical JJ 39928 1982 11 constitution constitution NN 39928 1982 12 to to IN 39928 1982 13 our -PRON- PRP$ 39928 1982 14 sun sun NN 39928 1982 15 and and CC 39928 1982 16 of of IN 39928 1982 17 an an DT 39928 1982 18 equal equal JJ 39928 1982 19 or or CC 39928 1982 20 greater great JJR 39928 1982 21 mass mass NN 39928 1982 22 , , , 39928 1982 23 only only RB 39928 1982 24 a a DT 39928 1982 25 portion portion NN 39928 1982 26 of of IN 39928 1982 27 their -PRON- PRP$ 39928 1982 28 period period NN 39928 1982 29 of of IN 39928 1982 30 luminosity luminosity NN 39928 1982 31 would would MD 39928 1982 32 be be VB 39928 1982 33 suitable suitable JJ 39928 1982 34 for for IN 39928 1982 35 the the DT 39928 1982 36 support support NN 39928 1982 37 of of IN 39928 1982 38 planetary planetary JJ 39928 1982 39 life life NN 39928 1982 40 . . . 39928 1983 1 While while IN 39928 1983 2 they -PRON- PRP 39928 1983 3 are be VBP 39928 1983 4 in in IN 39928 1983 5 process process NN 39928 1983 6 of of IN 39928 1983 7 formation formation NN 39928 1983 8 by by IN 39928 1983 9 accretions accretion NNS 39928 1983 10 of of IN 39928 1983 11 solid solid JJ 39928 1983 12 or or CC 39928 1983 13 gaseous gaseous JJ 39928 1983 14 masses masse NNS 39928 1983 15 , , , 39928 1983 16 they -PRON- PRP 39928 1983 17 would would MD 39928 1983 18 be be VB 39928 1983 19 subject subject JJ 39928 1983 20 to to IN 39928 1983 21 such such JJ 39928 1983 22 fluctuations fluctuation NNS 39928 1983 23 of of IN 39928 1983 24 temperature temperature NN 39928 1983 25 , , , 39928 1983 26 and and CC 39928 1983 27 to to IN 39928 1983 28 such such JJ 39928 1983 29 catastrophic catastrophic JJ 39928 1983 30 outbursts outburst NNS 39928 1983 31 when when WRB 39928 1983 32 any any DT 39928 1983 33 larger large JJR 39928 1983 34 mass mass NN 39928 1983 35 than than IN 39928 1983 36 usual usual JJ 39928 1983 37 was be VBD 39928 1983 38 drawn draw VBN 39928 1983 39 towards towards IN 39928 1983 40 them -PRON- PRP 39928 1983 41 , , , 39928 1983 42 that that IN 39928 1983 43 the the DT 39928 1983 44 whole whole NN 39928 1983 45 of of IN 39928 1983 46 this this DT 39928 1983 47 period period NN 39928 1983 48 -- -- : 39928 1983 49 perhaps perhaps RB 39928 1983 50 by by IN 39928 1983 51 far far RB 39928 1983 52 the the DT 39928 1983 53 longest long JJS 39928 1983 54 portion portion NN 39928 1983 55 of of IN 39928 1983 56 their -PRON- PRP$ 39928 1983 57 existence existence NN 39928 1983 58 -- -- : 39928 1983 59 must must MD 39928 1983 60 be be VB 39928 1983 61 left leave VBN 39928 1983 62 out out IN 39928 1983 63 of of IN 39928 1983 64 the the DT 39928 1983 65 account account NN 39928 1983 66 of of IN 39928 1983 67 planet planet NN 39928 1983 68 - - HYPH 39928 1983 69 producing produce VBG 39928 1983 70 suns sun NNS 39928 1983 71 . . . 39928 1984 1 Yet yet RB 39928 1984 2 all all PDT 39928 1984 3 these these DT 39928 1984 4 are be VBP 39928 1984 5 to to IN 39928 1984 6 us -PRON- PRP 39928 1984 7 stars star NNS 39928 1984 8 of of IN 39928 1984 9 various various JJ 39928 1984 10 degrees degree NNS 39928 1984 11 of of IN 39928 1984 12 brilliancy brilliancy NN 39928 1984 13 . . . 39928 1985 1 It -PRON- PRP 39928 1985 2 is be VBZ 39928 1985 3 almost almost RB 39928 1985 4 certain certain JJ 39928 1985 5 that that IN 39928 1985 6 it -PRON- PRP 39928 1985 7 is be VBZ 39928 1985 8 only only RB 39928 1985 9 when when WRB 39928 1985 10 the the DT 39928 1985 11 growth growth NN 39928 1985 12 of of IN 39928 1985 13 a a DT 39928 1985 14 sun sun NN 39928 1985 15 is be VBZ 39928 1985 16 nearly nearly RB 39928 1985 17 completed complete VBN 39928 1985 18 , , , 39928 1985 19 and and CC 39928 1985 20 its -PRON- PRP$ 39928 1985 21 heat heat NN 39928 1985 22 has have VBZ 39928 1985 23 attained attain VBN 39928 1985 24 a a DT 39928 1985 25 maximum maximum NN 39928 1985 26 , , , 39928 1985 27 that that IN 39928 1985 28 the the DT 39928 1985 29 epoch epoch NN 39928 1985 30 of of IN 39928 1985 31 life life NN 39928 1985 32 - - HYPH 39928 1985 33 development development NN 39928 1985 34 is be VBZ 39928 1985 35 likely likely JJ 39928 1985 36 to to TO 39928 1985 37 begin begin VB 39928 1985 38 upon upon IN 39928 1985 39 any any DT 39928 1985 40 planets planet NNS 39928 1985 41 it -PRON- PRP 39928 1985 42 may may MD 39928 1985 43 possess possess VB 39928 1985 44 at at IN 39928 1985 45 the the DT 39928 1985 46 most most RBS 39928 1985 47 suitable suitable JJ 39928 1985 48 distance distance NN 39928 1985 49 , , , 39928 1985 50 and and CC 39928 1985 51 upon upon IN 39928 1985 52 which which WDT 39928 1985 53 all all PDT 39928 1985 54 the the DT 39928 1985 55 requisite requisite JJ 39928 1985 56 conditions condition NNS 39928 1985 57 should should MD 39928 1985 58 be be VB 39928 1985 59 present present JJ 39928 1985 60 . . . 39928 1986 1 It -PRON- PRP 39928 1986 2 may may MD 39928 1986 3 be be VB 39928 1986 4 said say VBN 39928 1986 5 that that IN 39928 1986 6 there there EX 39928 1986 7 are be VBP 39928 1986 8 great great JJ 39928 1986 9 numbers number NNS 39928 1986 10 of of IN 39928 1986 11 stars star NNS 39928 1986 12 beyond beyond IN 39928 1986 13 our -PRON- PRP$ 39928 1986 14 solar solar JJ 39928 1986 15 cluster cluster NN 39928 1986 16 and and CC 39928 1986 17 yet yet RB 39928 1986 18 within within IN 39928 1986 19 the the DT 39928 1986 20 circle circle NN 39928 1986 21 of of IN 39928 1986 22 the the DT 39928 1986 23 Milky Milky NNP 39928 1986 24 Way Way NNP 39928 1986 25 , , , 39928 1986 26 as as RB 39928 1986 27 well well RB 39928 1986 28 as as IN 39928 1986 29 others other NNS 39928 1986 30 towards towards IN 39928 1986 31 the the DT 39928 1986 32 poles pole NNS 39928 1986 33 of of IN 39928 1986 34 the the DT 39928 1986 35 Milky Milky NNP 39928 1986 36 Way Way NNP 39928 1986 37 , , , 39928 1986 38 which which WDT 39928 1986 39 I -PRON- PRP 39928 1986 40 have have VBP 39928 1986 41 not not RB 39928 1986 42 here here RB 39928 1986 43 referred refer VBN 39928 1986 44 to to IN 39928 1986 45 . . . 39928 1987 1 But but CC 39928 1987 2 of of IN 39928 1987 3 these these DT 39928 1987 4 regions region NNS 39928 1987 5 very very RB 39928 1987 6 little little JJ 39928 1987 7 is be VBZ 39928 1987 8 known know VBN 39928 1987 9 , , , 39928 1987 10 because because IN 39928 1987 11 it -PRON- PRP 39928 1987 12 is be VBZ 39928 1987 13 impossible impossible JJ 39928 1987 14 to to TO 39928 1987 15 tell tell VB 39928 1987 16 whether whether IN 39928 1987 17 stars star NNS 39928 1987 18 in in IN 39928 1987 19 these these DT 39928 1987 20 directions direction NNS 39928 1987 21 are be VBP 39928 1987 22 situated situate VBN 39928 1987 23 in in IN 39928 1987 24 the the DT 39928 1987 25 outer outer JJ 39928 1987 26 portion portion NN 39928 1987 27 of of IN 39928 1987 28 the the DT 39928 1987 29 solar solar JJ 39928 1987 30 cluster cluster NN 39928 1987 31 or or CC 39928 1987 32 in in IN 39928 1987 33 the the DT 39928 1987 34 regions region NNS 39928 1987 35 beyond beyond IN 39928 1987 36 it -PRON- PRP 39928 1987 37 . . . 39928 1988 1 Some some DT 39928 1988 2 astronomers astronomer NNS 39928 1988 3 appear appear VBP 39928 1988 4 to to TO 39928 1988 5 think think VB 39928 1988 6 that that IN 39928 1988 7 these these DT 39928 1988 8 regions region NNS 39928 1988 9 may may MD 39928 1988 10 be be VB 39928 1988 11 nearly nearly RB 39928 1988 12 empty empty JJ 39928 1988 13 of of IN 39928 1988 14 stars star NNS 39928 1988 15 , , , 39928 1988 16 and and CC 39928 1988 17 I -PRON- PRP 39928 1988 18 have have VBP 39928 1988 19 endeavoured endeavour VBN 39928 1988 20 to to TO 39928 1988 21 represent represent VB 39928 1988 22 what what WP 39928 1988 23 seems seem VBZ 39928 1988 24 to to TO 39928 1988 25 be be VB 39928 1988 26 the the DT 39928 1988 27 general general JJ 39928 1988 28 view view NN 39928 1988 29 on on IN 39928 1988 30 this this DT 39928 1988 31 very very RB 39928 1988 32 difficult difficult JJ 39928 1988 33 subject subject NN 39928 1988 34 in in IN 39928 1988 35 the the DT 39928 1988 36 two two CD 39928 1988 37 diagrams diagram NNS 39928 1988 38 of of IN 39928 1988 39 the the DT 39928 1988 40 stellar stellar JJ 39928 1988 41 universe universe NN 39928 1988 42 at at IN 39928 1988 43 pp pp NNP 39928 1988 44 . . . 39928 1989 1 300 300 CD 39928 1989 2 , , , 39928 1989 3 301 301 CD 39928 1989 4 . . . 39928 1990 1 The the DT 39928 1990 2 regions region NNS 39928 1990 3 beyond beyond IN 39928 1990 4 our -PRON- PRP$ 39928 1990 5 cluster cluster NN 39928 1990 6 and and CC 39928 1990 7 above above IN 39928 1990 8 or or CC 39928 1990 9 below below IN 39928 1990 10 the the DT 39928 1990 11 plane plane NN 39928 1990 12 of of IN 39928 1990 13 the the DT 39928 1990 14 Milky Milky NNP 39928 1990 15 Way Way NNP 39928 1990 16 are be VBP 39928 1990 17 those those DT 39928 1990 18 where where WRB 39928 1990 19 the the DT 39928 1990 20 small small JJ 39928 1990 21 irresolvable irresolvable JJ 39928 1990 22 nebulæ nebulæ NN 39928 1990 23 abound abound NN 39928 1990 24 , , , 39928 1990 25 and and CC 39928 1990 26 these these DT 39928 1990 27 may may MD 39928 1990 28 indicate indicate VB 39928 1990 29 that that IN 39928 1990 30 sun sun NN 39928 1990 31 - - HYPH 39928 1990 32 formation formation NN 39928 1990 33 is be VBZ 39928 1990 34 not not RB 39928 1990 35 yet yet RB 39928 1990 36 active active JJ 39928 1990 37 in in IN 39928 1990 38 those those DT 39928 1990 39 regions region NNS 39928 1990 40 . . . 39928 1991 1 The the DT 39928 1991 2 two two CD 39928 1991 3 charts chart NNS 39928 1991 4 of of IN 39928 1991 5 Nebulæ Nebulæ NNP 39928 1991 6 and and CC 39928 1991 7 Clusters Clusters NNPS 39928 1991 8 at at IN 39928 1991 9 the the DT 39928 1991 10 end end NN 39928 1991 11 of of IN 39928 1991 12 the the DT 39928 1991 13 volume volume NN 39928 1991 14 illustrate illustrate NN 39928 1991 15 , , , 39928 1991 16 and and CC 39928 1991 17 perhaps perhaps RB 39928 1991 18 tend tend VB 39928 1991 19 to to TO 39928 1991 20 support support VB 39928 1991 21 this this DT 39928 1991 22 view view NN 39928 1991 23 . . . 39928 1992 1 DOUBLE double JJ 39928 1992 2 AND and CC 39928 1992 3 MULTIPLE MULTIPLE NNP 39928 1992 4 STAR STAR NNP 39928 1992 5 SYSTEMS SYSTEMS NNP 39928 1992 6 We -PRON- PRP 39928 1992 7 have have VBP 39928 1992 8 already already RB 39928 1992 9 seen see VBN 39928 1992 10 , , , 39928 1992 11 in in IN 39928 1992 12 our -PRON- PRP$ 39928 1992 13 sixth sixth JJ 39928 1992 14 chapter chapter NN 39928 1992 15 , , , 39928 1992 16 how how WRB 39928 1992 17 rapid rapid JJ 39928 1992 18 and and CC 39928 1992 19 extraordinary extraordinary JJ 39928 1992 20 has have VBZ 39928 1992 21 been be VBN 39928 1992 22 the the DT 39928 1992 23 discovery discovery NN 39928 1992 24 of of IN 39928 1992 25 what what WP 39928 1992 26 are be VBP 39928 1992 27 termed term VBN 39928 1992 28 spectroscopic spectroscopic JJ 39928 1992 29 binaries binary NNS 39928 1992 30 -- -- : 39928 1992 31 pairs pair NNS 39928 1992 32 of of IN 39928 1992 33 stars star NNS 39928 1992 34 so so RB 39928 1992 35 close close RB 39928 1992 36 together together RB 39928 1992 37 as as IN 39928 1992 38 to to TO 39928 1992 39 appear appear VB 39928 1992 40 like like IN 39928 1992 41 a a DT 39928 1992 42 single single JJ 39928 1992 43 star star NN 39928 1992 44 in in IN 39928 1992 45 the the DT 39928 1992 46 most most RBS 39928 1992 47 powerful powerful JJ 39928 1992 48 telescopes telescope NNS 39928 1992 49 . . . 39928 1993 1 The the DT 39928 1993 2 systematic systematic JJ 39928 1993 3 search search NN 39928 1993 4 for for IN 39928 1993 5 such such JJ 39928 1993 6 stars star NNS 39928 1993 7 has have VBZ 39928 1993 8 only only RB 39928 1993 9 been be VBN 39928 1993 10 carried carry VBN 39928 1993 11 on on RP 39928 1993 12 for for IN 39928 1993 13 a a DT 39928 1993 14 few few JJ 39928 1993 15 years year NNS 39928 1993 16 , , , 39928 1993 17 yet yet CC 39928 1993 18 so so RB 39928 1993 19 many many JJ 39928 1993 20 have have VBP 39928 1993 21 been be VBN 39928 1993 22 already already RB 39928 1993 23 found find VBN 39928 1993 24 , , , 39928 1993 25 and and CC 39928 1993 26 their -PRON- PRP$ 39928 1993 27 numbers number NNS 39928 1993 28 are be VBP 39928 1993 29 increasing increase VBG 39928 1993 30 so so RB 39928 1993 31 rapidly rapidly RB 39928 1993 32 , , , 39928 1993 33 as as IN 39928 1993 34 to to IN 39928 1993 35 quite quite RB 39928 1993 36 startle startle NN 39928 1993 37 astronomers astronomer NNS 39928 1993 38 . . . 39928 1994 1 One one CD 39928 1994 2 of of IN 39928 1994 3 the the DT 39928 1994 4 chief chief JJ 39928 1994 5 workers worker NNS 39928 1994 6 in in IN 39928 1994 7 this this DT 39928 1994 8 field field NN 39928 1994 9 , , , 39928 1994 10 Professor Professor NNP 39928 1994 11 Campbell Campbell NNP 39928 1994 12 of of IN 39928 1994 13 the the DT 39928 1994 14 Lick Lick NNP 39928 1994 15 Observatory Observatory NNP 39928 1994 16 , , , 39928 1994 17 has have VBZ 39928 1994 18 stated state VBN 39928 1994 19 his -PRON- PRP$ 39928 1994 20 opinion opinion NN 39928 1994 21 that that IN 39928 1994 22 , , , 39928 1994 23 as as IN 39928 1994 24 accuracy accuracy NN 39928 1994 25 of of IN 39928 1994 26 measurement measurement NN 39928 1994 27 increases increase NNS 39928 1994 28 , , , 39928 1994 29 these these DT 39928 1994 30 discoveries discovery NNS 39928 1994 31 will will MD 39928 1994 32 go go VB 39928 1994 33 on on IN 39928 1994 34 till--'the till--'the DT 39928 1994 35 star star NN 39928 1994 36 that that WDT 39928 1994 37 is be VBZ 39928 1994 38 not not RB 39928 1994 39 a a DT 39928 1994 40 spectroscopic spectroscopic JJ 39928 1994 41 binary binary NN 39928 1994 42 will will MD 39928 1994 43 prove prove VB 39928 1994 44 to to TO 39928 1994 45 be be VB 39928 1994 46 the the DT 39928 1994 47 rare rare JJ 39928 1994 48 exception,'--and exception,'--and NNP 39928 1994 49 other other JJ 39928 1994 50 astronomers astronomer NNS 39928 1994 51 of of IN 39928 1994 52 eminence eminence NN 39928 1994 53 have have VBP 39928 1994 54 expressed express VBN 39928 1994 55 similar similar JJ 39928 1994 56 views view NNS 39928 1994 57 . . . 39928 1995 1 But but CC 39928 1995 2 these these DT 39928 1995 3 close close JJ 39928 1995 4 revolving revolving JJ 39928 1995 5 star star NN 39928 1995 6 - - HYPH 39928 1995 7 systems system NNS 39928 1995 8 are be VBP 39928 1995 9 generally generally RB 39928 1995 10 admitted admit VBN 39928 1995 11 to to TO 39928 1995 12 be be VB 39928 1995 13 out out IN 39928 1995 14 of of IN 39928 1995 15 the the DT 39928 1995 16 category category NN 39928 1995 17 of of IN 39928 1995 18 life life NN 39928 1995 19 - - HYPH 39928 1995 20 producing produce VBG 39928 1995 21 suns sun NNS 39928 1995 22 . . . 39928 1996 1 The the DT 39928 1996 2 tidal tidal JJ 39928 1996 3 disturbances disturbance NNS 39928 1996 4 mutually mutually RB 39928 1996 5 produced produce VBN 39928 1996 6 must must MD 39928 1996 7 be be VB 39928 1996 8 enormous enormous JJ 39928 1996 9 , , , 39928 1996 10 and and CC 39928 1996 11 this this DT 39928 1996 12 must must MD 39928 1996 13 be be VB 39928 1996 14 inimical inimical JJ 39928 1996 15 to to IN 39928 1996 16 the the DT 39928 1996 17 development development NN 39928 1996 18 of of IN 39928 1996 19 planets planet NNS 39928 1996 20 , , , 39928 1996 21 unless unless IN 39928 1996 22 they -PRON- PRP 39928 1996 23 were be VBD 39928 1996 24 very very RB 39928 1996 25 close close JJ 39928 1996 26 to to IN 39928 1996 27 each each DT 39928 1996 28 sun sun NN 39928 1996 29 , , , 39928 1996 30 and and CC 39928 1996 31 thus thus RB 39928 1996 32 in in IN 39928 1996 33 the the DT 39928 1996 34 most most RBS 39928 1996 35 unfavourable unfavourable JJ 39928 1996 36 position position NN 39928 1996 37 for for IN 39928 1996 38 life life NN 39928 1996 39 . . . 39928 1997 1 We -PRON- PRP 39928 1997 2 thus thus RB 39928 1997 3 see see VBP 39928 1997 4 that that IN 39928 1997 5 the the DT 39928 1997 6 result result NN 39928 1997 7 of of IN 39928 1997 8 the the DT 39928 1997 9 most most RBS 39928 1997 10 recent recent JJ 39928 1997 11 researches research NNS 39928 1997 12 among among IN 39928 1997 13 the the DT 39928 1997 14 stars star NNS 39928 1997 15 is be VBZ 39928 1997 16 entirely entirely RB 39928 1997 17 opposed oppose VBN 39928 1997 18 to to IN 39928 1997 19 the the DT 39928 1997 20 old old JJ 39928 1997 21 idea idea NN 39928 1997 22 that that IN 39928 1997 23 the the DT 39928 1997 24 countless countless JJ 39928 1997 25 myriads myriad NNS 39928 1997 26 of of IN 39928 1997 27 stars star NNS 39928 1997 28 _ _ NNP 39928 1997 29 all all DT 39928 1997 30 _ _ NNP 39928 1997 31 had have VBD 39928 1997 32 planets planet NNS 39928 1997 33 circulating circulate VBG 39928 1997 34 round round IN 39928 1997 35 them -PRON- PRP 39928 1997 36 , , , 39928 1997 37 and and CC 39928 1997 38 that that IN 39928 1997 39 the the DT 39928 1997 40 ultimate ultimate JJ 39928 1997 41 purpose purpose NN 39928 1997 42 of of IN 39928 1997 43 their -PRON- PRP$ 39928 1997 44 existence existence NN 39928 1997 45 was be VBD 39928 1997 46 , , , 39928 1997 47 that that IN 39928 1997 48 they -PRON- PRP 39928 1997 49 should should MD 39928 1997 50 be be VB 39928 1997 51 supporters supporter NNS 39928 1997 52 of of IN 39928 1997 53 life life NN 39928 1997 54 , , , 39928 1997 55 as as IN 39928 1997 56 our -PRON- PRP$ 39928 1997 57 sun sun NN 39928 1997 58 is be VBZ 39928 1997 59 the the DT 39928 1997 60 supporter supporter NN 39928 1997 61 of of IN 39928 1997 62 life life NN 39928 1997 63 upon upon IN 39928 1997 64 the the DT 39928 1997 65 earth earth NN 39928 1997 66 . . . 39928 1998 1 So so RB 39928 1998 2 far far RB 39928 1998 3 is be VBZ 39928 1998 4 this this DT 39928 1998 5 from from IN 39928 1998 6 being be VBG 39928 1998 7 the the DT 39928 1998 8 case case NN 39928 1998 9 , , , 39928 1998 10 that that IN 39928 1998 11 vast vast JJ 39928 1998 12 numbers number NNS 39928 1998 13 of of IN 39928 1998 14 stars star NNS 39928 1998 15 have have VBP 39928 1998 16 to to TO 39928 1998 17 be be VB 39928 1998 18 put put VBN 39928 1998 19 aside aside RB 39928 1998 20 as as IN 39928 1998 21 wholly wholly RB 39928 1998 22 unfitted unfitted JJ 39928 1998 23 for for IN 39928 1998 24 such such PDT 39928 1998 25 a a DT 39928 1998 26 purpose purpose NN 39928 1998 27 ; ; : 39928 1998 28 and and CC 39928 1998 29 when when WRB 39928 1998 30 by by IN 39928 1998 31 successive successive JJ 39928 1998 32 eliminations elimination NNS 39928 1998 33 of of IN 39928 1998 34 this this DT 39928 1998 35 nature nature NN 39928 1998 36 we -PRON- PRP 39928 1998 37 have have VBP 39928 1998 38 reduced reduce VBN 39928 1998 39 the the DT 39928 1998 40 numbers number NNS 39928 1998 41 which which WDT 39928 1998 42 may may MD 39928 1998 43 possibly possibly RB 39928 1998 44 be be VB 39928 1998 45 available available JJ 39928 1998 46 to to IN 39928 1998 47 a a DT 39928 1998 48 few few JJ 39928 1998 49 millions million NNS 39928 1998 50 , , , 39928 1998 51 or or CC 39928 1998 52 even even RB 39928 1998 53 to to IN 39928 1998 54 a a DT 39928 1998 55 few few JJ 39928 1998 56 thousands thousand NNS 39928 1998 57 , , , 39928 1998 58 there there EX 39928 1998 59 comes come VBZ 39928 1998 60 the the DT 39928 1998 61 last last JJ 39928 1998 62 startling startling JJ 39928 1998 63 discovery discovery NN 39928 1998 64 , , , 39928 1998 65 that that IN 39928 1998 66 the the DT 39928 1998 67 entire entire JJ 39928 1998 68 host host NN 39928 1998 69 of of IN 39928 1998 70 stars star NNS 39928 1998 71 is be VBZ 39928 1998 72 found find VBN 39928 1998 73 to to TO 39928 1998 74 contain contain VB 39928 1998 75 binary binary JJ 39928 1998 76 systems system NNS 39928 1998 77 in in IN 39928 1998 78 such such JJ 39928 1998 79 rapidly rapidly RB 39928 1998 80 increasing increase VBG 39928 1998 81 numbers number NNS 39928 1998 82 , , , 39928 1998 83 as as IN 39928 1998 84 to to TO 39928 1998 85 lead lead VB 39928 1998 86 some some DT 39928 1998 87 of of IN 39928 1998 88 the the DT 39928 1998 89 very very RB 39928 1998 90 first first JJ 39928 1998 91 astronomers astronomer NNS 39928 1998 92 of of IN 39928 1998 93 the the DT 39928 1998 94 day day NN 39928 1998 95 to to IN 39928 1998 96 the the DT 39928 1998 97 conclusion conclusion NN 39928 1998 98 that that IN 39928 1998 99 single single JJ 39928 1998 100 stars star NNS 39928 1998 101 may may MD 39928 1998 102 someday someday RB 39928 1998 103 be be VB 39928 1998 104 found find VBN 39928 1998 105 to to TO 39928 1998 106 be be VB 39928 1998 107 the the DT 39928 1998 108 rare rare JJ 39928 1998 109 exception exception NN 39928 1998 110 ! ! . 39928 1999 1 But but CC 39928 1999 2 this this DT 39928 1999 3 tremendous tremendous JJ 39928 1999 4 generalisation generalisation NN 39928 1999 5 would would MD 39928 1999 6 , , , 39928 1999 7 at at IN 39928 1999 8 one one CD 39928 1999 9 stroke stroke NN 39928 1999 10 , , , 39928 1999 11 sweep sweep VB 39928 1999 12 away away RP 39928 1999 13 a a DT 39928 1999 14 large large JJ 39928 1999 15 proportion proportion NN 39928 1999 16 of of IN 39928 1999 17 the the DT 39928 1999 18 stars star NNS 39928 1999 19 which which WDT 39928 1999 20 other other JJ 39928 1999 21 successive successive JJ 39928 1999 22 disqualifications disqualification NNS 39928 1999 23 had have VBD 39928 1999 24 spared spare VBN 39928 1999 25 , , , 39928 1999 26 and and CC 39928 1999 27 thus thus RB 39928 1999 28 leave leave VB 39928 1999 29 our -PRON- PRP$ 39928 1999 30 sun sun NN 39928 1999 31 , , , 39928 1999 32 which which WDT 39928 1999 33 is be VBZ 39928 1999 34 certainly certainly RB 39928 1999 35 single single JJ 39928 1999 36 , , , 39928 1999 37 and and CC 39928 1999 38 perhaps perhaps RB 39928 1999 39 two two CD 39928 1999 40 or or CC 39928 1999 41 three three CD 39928 1999 42 companion companion NN 39928 1999 43 orbs orb NNS 39928 1999 44 , , , 39928 1999 45 alone alone RB 39928 1999 46 among among IN 39928 1999 47 the the DT 39928 1999 48 starry starry NN 39928 1999 49 host host NN 39928 1999 50 as as IN 39928 1999 51 possible possible JJ 39928 1999 52 supporters supporter NNS 39928 1999 53 of of IN 39928 1999 54 life life NN 39928 1999 55 on on IN 39928 1999 56 some some DT 39928 1999 57 one one CD 39928 1999 58 of of IN 39928 1999 59 the the DT 39928 1999 60 planets planet NNS 39928 1999 61 which which WDT 39928 1999 62 circulate circulate VBP 39928 1999 63 around around IN 39928 1999 64 them -PRON- PRP 39928 1999 65 . . . 39928 2000 1 But but CC 39928 2000 2 we -PRON- PRP 39928 2000 3 do do VBP 39928 2000 4 not not RB 39928 2000 5 really really RB 39928 2000 6 _ _ NNP 39928 2000 7 know know VBP 39928 2000 8 _ _ NNP 39928 2000 9 that that IN 39928 2000 10 any any DT 39928 2000 11 such such JJ 39928 2000 12 suns sun NNS 39928 2000 13 exist exist VBP 39928 2000 14 . . . 39928 2001 1 If if IN 39928 2001 2 they -PRON- PRP 39928 2001 3 exist exist VBP 39928 2001 4 we -PRON- PRP 39928 2001 5 do do VBP 39928 2001 6 not not RB 39928 2001 7 _ _ NNP 39928 2001 8 know know VB 39928 2001 9 _ _ NNP 39928 2001 10 that that IN 39928 2001 11 they -PRON- PRP 39928 2001 12 possess possess VBP 39928 2001 13 planets planet NNS 39928 2001 14 . . . 39928 2002 1 If if IN 39928 2002 2 any any DT 39928 2002 3 do do VBP 39928 2002 4 possess possess NN 39928 2002 5 planets planet NNS 39928 2002 6 these these DT 39928 2002 7 may may MD 39928 2002 8 not not RB 39928 2002 9 be be VB 39928 2002 10 at at IN 39928 2002 11 the the DT 39928 2002 12 proper proper JJ 39928 2002 13 distance distance NN 39928 2002 14 , , , 39928 2002 15 or or CC 39928 2002 16 be be VB 39928 2002 17 of of IN 39928 2002 18 the the DT 39928 2002 19 proper proper JJ 39928 2002 20 mass mass NN 39928 2002 21 , , , 39928 2002 22 to to TO 39928 2002 23 render render VB 39928 2002 24 life life NN 39928 2002 25 possible possible JJ 39928 2002 26 . . . 39928 2003 1 If if IN 39928 2003 2 these these DT 39928 2003 3 primary primary JJ 39928 2003 4 conditions condition NNS 39928 2003 5 should should MD 39928 2003 6 be be VB 39928 2003 7 fulfilled fulfil VBN 39928 2003 8 , , , 39928 2003 9 and and CC 39928 2003 10 if if IN 39928 2003 11 there there EX 39928 2003 12 should should MD 39928 2003 13 possibly possibly RB 39928 2003 14 be be VB 39928 2003 15 not not RB 39928 2003 16 only only RB 39928 2003 17 one one CD 39928 2003 18 or or CC 39928 2003 19 two two CD 39928 2003 20 , , , 39928 2003 21 but but CC 39928 2003 22 a a DT 39928 2003 23 dozen dozen NN 39928 2003 24 or or CC 39928 2003 25 more more JJR 39928 2003 26 that that IN 39928 2003 27 so so RB 39928 2003 28 far far RB 39928 2003 29 fulfil fulfil VBP 39928 2003 30 the the DT 39928 2003 31 first first JJ 39928 2003 32 few few JJ 39928 2003 33 conditions condition NNS 39928 2003 34 which which WDT 39928 2003 35 are be VBP 39928 2003 36 essential essential JJ 39928 2003 37 , , , 39928 2003 38 what what WP 39928 2003 39 probability probability NN 39928 2003 40 is be VBZ 39928 2003 41 there there RB 39928 2003 42 that that WDT 39928 2003 43 all all PDT 39928 2003 44 the the DT 39928 2003 45 other other JJ 39928 2003 46 conditions condition NNS 39928 2003 47 , , , 39928 2003 48 all all PDT 39928 2003 49 the the DT 39928 2003 50 other other JJ 39928 2003 51 nice nice JJ 39928 2003 52 adaptations adaptation NNS 39928 2003 53 , , , 39928 2003 54 all all PDT 39928 2003 55 the the DT 39928 2003 56 delicate delicate JJ 39928 2003 57 balance balance NN 39928 2003 58 of of IN 39928 2003 59 opposing oppose VBG 39928 2003 60 forces force NNS 39928 2003 61 that that WDT 39928 2003 62 we -PRON- PRP 39928 2003 63 have have VBP 39928 2003 64 found find VBN 39928 2003 65 to to TO 39928 2003 66 prevail prevail VB 39928 2003 67 upon upon IN 39928 2003 68 the the DT 39928 2003 69 earth earth NN 39928 2003 70 , , , 39928 2003 71 and and CC 39928 2003 72 whose whose WP$ 39928 2003 73 combination combination NN 39928 2003 74 here here RB 39928 2003 75 is be VBZ 39928 2003 76 due due JJ 39928 2003 77 to to IN 39928 2003 78 exceptional exceptional JJ 39928 2003 79 conditions condition NNS 39928 2003 80 which which WDT 39928 2003 81 exist exist VBP 39928 2003 82 in in IN 39928 2003 83 the the DT 39928 2003 84 case case NN 39928 2003 85 of of IN 39928 2003 86 no no DT 39928 2003 87 other other JJ 39928 2003 88 known know VBN 39928 2003 89 planet planet NN 39928 2003 90 -- -- : 39928 2003 91 should should MD 39928 2003 92 _ _ NNP 39928 2003 93 all all DT 39928 2003 94 _ _ NNP 39928 2003 95 be be VB 39928 2003 96 again again RB 39928 2003 97 combined combine VBN 39928 2003 98 in in IN 39928 2003 99 some some DT 39928 2003 100 of of IN 39928 2003 101 the the DT 39928 2003 102 possible possible JJ 39928 2003 103 planets planet NNS 39928 2003 104 of of IN 39928 2003 105 these these DT 39928 2003 106 possibly possibly RB 39928 2003 107 existing exist VBG 39928 2003 108 suns sun NNS 39928 2003 109 ? ? . 39928 2004 1 I -PRON- PRP 39928 2004 2 submit submit VBP 39928 2004 3 that that IN 39928 2004 4 the the DT 39928 2004 5 probability probability NN 39928 2004 6 is be VBZ 39928 2004 7 _ _ NNP 39928 2004 8 now now RB 39928 2004 9 _ _ NNP 39928 2004 10 all all PDT 39928 2004 11 the the DT 39928 2004 12 other other JJ 39928 2004 13 way way NN 39928 2004 14 . . . 39928 2005 1 So so RB 39928 2005 2 long long RB 39928 2005 3 as as IN 39928 2005 4 we -PRON- PRP 39928 2005 5 could could MD 39928 2005 6 assume assume VB 39928 2005 7 that that IN 39928 2005 8 all all PDT 39928 2005 9 the the DT 39928 2005 10 stars star NNS 39928 2005 11 might may MD 39928 2005 12 be be VB 39928 2005 13 , , , 39928 2005 14 in in IN 39928 2005 15 all all DT 39928 2005 16 essentials essential NNS 39928 2005 17 , , , 39928 2005 18 like like IN 39928 2005 19 our -PRON- PRP$ 39928 2005 20 sun sun NN 39928 2005 21 , , , 39928 2005 22 it -PRON- PRP 39928 2005 23 seemed seem VBD 39928 2005 24 almost almost RB 39928 2005 25 ludicrous ludicrous JJ 39928 2005 26 to to TO 39928 2005 27 suppose suppose VB 39928 2005 28 that that IN 39928 2005 29 our -PRON- PRP$ 39928 2005 30 sun sun NN 39928 2005 31 alone alone RB 39928 2005 32 should should MD 39928 2005 33 be be VB 39928 2005 34 in in IN 39928 2005 35 a a DT 39928 2005 36 position position NN 39928 2005 37 to to TO 39928 2005 38 support support VB 39928 2005 39 life life NN 39928 2005 40 . . . 39928 2006 1 But but CC 39928 2006 2 when when WRB 39928 2006 3 we -PRON- PRP 39928 2006 4 find find VBP 39928 2006 5 that that IN 39928 2006 6 enormous enormous JJ 39928 2006 7 classes class NNS 39928 2006 8 like like IN 39928 2006 9 the the DT 39928 2006 10 gaseous gaseous JJ 39928 2006 11 stars star NNS 39928 2006 12 of of IN 39928 2006 13 small small JJ 39928 2006 14 density density NN 39928 2006 15 , , , 39928 2006 16 the the DT 39928 2006 17 solar solar JJ 39928 2006 18 stars star NNS 39928 2006 19 while while IN 39928 2006 20 increasing increase VBG 39928 2006 21 in in IN 39928 2006 22 size size NN 39928 2006 23 and and CC 39928 2006 24 temperature temperature NN 39928 2006 25 , , , 39928 2006 26 the the DT 39928 2006 27 stars star NNS 39928 2006 28 which which WDT 39928 2006 29 are be VBP 39928 2006 30 much much RB 39928 2006 31 smaller small JJR 39928 2006 32 than than IN 39928 2006 33 our -PRON- PRP$ 39928 2006 34 sun sun NN 39928 2006 35 , , , 39928 2006 36 the the DT 39928 2006 37 nebulous nebulous JJ 39928 2006 38 stars star NNS 39928 2006 39 , , , 39928 2006 40 probably probably RB 39928 2006 41 all all PDT 39928 2006 42 the the DT 39928 2006 43 stars star NNS 39928 2006 44 of of IN 39928 2006 45 the the DT 39928 2006 46 Milky Milky NNP 39928 2006 47 Way Way NNP 39928 2006 48 , , , 39928 2006 49 and and CC 39928 2006 50 lastly lastly RB 39928 2006 51 that that IN 39928 2006 52 enormous enormous JJ 39928 2006 53 class class NN 39928 2006 54 of of IN 39928 2006 55 spectroscopic spectroscopic JJ 39928 2006 56 doubles double NNS 39928 2006 57 -- -- : 39928 2006 58 veritable veritable JJ 39928 2006 59 Aaron Aaron NNP 39928 2006 60 's 's POS 39928 2006 61 rods rod NNS 39928 2006 62 which which WDT 39928 2006 63 threaten threaten VBP 39928 2006 64 to to TO 39928 2006 65 swallow swallow VB 39928 2006 66 up up RP 39928 2006 67 all all PDT 39928 2006 68 the the DT 39928 2006 69 rest rest NN 39928 2006 70 -- -- : 39928 2006 71 that that IN 39928 2006 72 all all PDT 39928 2006 73 these these DT 39928 2006 74 are be VBP 39928 2006 75 for for IN 39928 2006 76 various various JJ 39928 2006 77 reasons reason NNS 39928 2006 78 unlikely unlikely JJ 39928 2006 79 to to TO 39928 2006 80 have have VB 39928 2006 81 attendant attendant JJ 39928 2006 82 planets planet NNS 39928 2006 83 adapted adapt VBN 39928 2006 84 to to TO 39928 2006 85 develop develop VB 39928 2006 86 life life NN 39928 2006 87 , , , 39928 2006 88 then then RB 39928 2006 89 the the DT 39928 2006 90 probabilities probability NNS 39928 2006 91 seem seem VBP 39928 2006 92 to to TO 39928 2006 93 be be VB 39928 2006 94 enormously enormously RB 39928 2006 95 against against IN 39928 2006 96 there there EX 39928 2006 97 being be VBG 39928 2006 98 any any DT 39928 2006 99 considerable considerable JJ 39928 2006 100 number number NN 39928 2006 101 of of IN 39928 2006 102 suns sun NNS 39928 2006 103 possessing possess VBG 39928 2006 104 attendant attendant JJ 39928 2006 105 habitable habitable JJ 39928 2006 106 earths earth NNS 39928 2006 107 . . . 39928 2007 1 Just just RB 39928 2007 2 as as IN 39928 2007 3 the the DT 39928 2007 4 habitability habitability NN 39928 2007 5 of of IN 39928 2007 6 all all PDT 39928 2007 7 the the DT 39928 2007 8 planets planet NNS 39928 2007 9 and and CC 39928 2007 10 larger large JJR 39928 2007 11 satellites satellite NNS 39928 2007 12 , , , 39928 2007 13 once once RB 39928 2007 14 assumed assume VBN 39928 2007 15 as as IN 39928 2007 16 so so RB 39928 2007 17 extremely extremely RB 39928 2007 18 probable probable JJ 39928 2007 19 as as IN 39928 2007 20 to to TO 39928 2007 21 amount amount VB 39928 2007 22 almost almost RB 39928 2007 23 to to IN 39928 2007 24 a a DT 39928 2007 25 certainty certainty NN 39928 2007 26 , , , 39928 2007 27 is be VBZ 39928 2007 28 now now RB 39928 2007 29 generally generally RB 39928 2007 30 given give VBN 39928 2007 31 up up RP 39928 2007 32 , , , 39928 2007 33 so so IN 39928 2007 34 that that IN 39928 2007 35 in in IN 39928 2007 36 speculating speculate VBG 39928 2007 37 on on IN 39928 2007 38 life life NN 39928 2007 39 in in IN 39928 2007 40 stellar stellar JJ 39928 2007 41 systems system NNS 39928 2007 42 Mr. Mr. NNP 39928 2007 43 Gore Gore NNP 39928 2007 44 assumes assume VBZ 39928 2007 45 that that IN 39928 2007 46 only only RB 39928 2007 47 _ _ NNP 39928 2007 48 one one CD 39928 2007 49 _ _ NNP 39928 2007 50 planet planet NN 39928 2007 51 to to IN 39928 2007 52 each each DT 39928 2007 53 sun sun NN 39928 2007 54 can can MD 39928 2007 55 be be VB 39928 2007 56 habitable habitable JJ 39928 2007 57 ; ; : 39928 2007 58 in in IN 39928 2007 59 like like IN 39928 2007 60 manner manner NN 39928 2007 61 it -PRON- PRP 39928 2007 62 may may MD 39928 2007 63 , , , 39928 2007 64 and and CC 39928 2007 65 I -PRON- PRP 39928 2007 66 believe believe VBP 39928 2007 67 will will MD 39928 2007 68 , , , 39928 2007 69 turn turn VB 39928 2007 70 out out RP 39928 2007 71 , , , 39928 2007 72 that that DT 39928 2007 73 of of IN 39928 2007 74 all all PDT 39928 2007 75 the the DT 39928 2007 76 myriad myriad JJ 39928 2007 77 stars star NNS 39928 2007 78 , , , 39928 2007 79 the the DT 39928 2007 80 more more RBR 39928 2007 81 we -PRON- PRP 39928 2007 82 learn learn VBP 39928 2007 83 about about IN 39928 2007 84 them -PRON- PRP 39928 2007 85 , , , 39928 2007 86 the the DT 39928 2007 87 smaller small JJR 39928 2007 88 and and CC 39928 2007 89 smaller small JJR 39928 2007 90 will will MD 39928 2007 91 become become VB 39928 2007 92 the the DT 39928 2007 93 scanty scanty NN 39928 2007 94 residue residue NN 39928 2007 95 which which WDT 39928 2007 96 , , , 39928 2007 97 with with IN 39928 2007 98 any any DT 39928 2007 99 probability probability NN 39928 2007 100 , , , 39928 2007 101 we -PRON- PRP 39928 2007 102 can can MD 39928 2007 103 suppose suppose VB 39928 2007 104 to to TO 39928 2007 105 illuminate illuminate VB 39928 2007 106 and and CC 39928 2007 107 vivify vivify VB 39928 2007 108 habitable habitable JJ 39928 2007 109 earths earth NNS 39928 2007 110 . . . 39928 2008 1 And and CC 39928 2008 2 when when WRB 39928 2008 3 with with IN 39928 2008 4 this this DT 39928 2008 5 scanty scanty NN 39928 2008 6 probability probability NN 39928 2008 7 we -PRON- PRP 39928 2008 8 combine combine VBP 39928 2008 9 the the DT 39928 2008 10 still still RB 39928 2008 11 scantier scanty JJR 39928 2008 12 probability probability NN 39928 2008 13 that that IN 39928 2008 14 any any DT 39928 2008 15 such such JJ 39928 2008 16 planet planet NN 39928 2008 17 will will MD 39928 2008 18 possess possess VB 39928 2008 19 simultaneously simultaneously RB 39928 2008 20 , , , 39928 2008 21 and and CC 39928 2008 22 for for IN 39928 2008 23 a a DT 39928 2008 24 sufficiently sufficiently RB 39928 2008 25 long long JJ 39928 2008 26 period period NN 39928 2008 27 , , , 39928 2008 28 _ _ NNP 39928 2008 29 all all DT 39928 2008 30 _ _ NNP 39928 2008 31 the the DT 39928 2008 32 highly highly RB 39928 2008 33 complex complex JJ 39928 2008 34 and and CC 39928 2008 35 delicately delicately RB 39928 2008 36 balanced balanced JJ 39928 2008 37 conditions condition NNS 39928 2008 38 known know VBN 39928 2008 39 to to TO 39928 2008 40 be be VB 39928 2008 41 essential essential JJ 39928 2008 42 for for IN 39928 2008 43 a a DT 39928 2008 44 full full JJ 39928 2008 45 life life NN 39928 2008 46 - - HYPH 39928 2008 47 development development NN 39928 2008 48 , , , 39928 2008 49 the the DT 39928 2008 50 conception conception NN 39928 2008 51 that that WDT 39928 2008 52 on on IN 39928 2008 53 this this DT 39928 2008 54 earth earth NN 39928 2008 55 alone alone RB 39928 2008 56 has have VBZ 39928 2008 57 such such JJ 39928 2008 58 development development NN 39928 2008 59 been be VBN 39928 2008 60 completed complete VBN 39928 2008 61 will will MD 39928 2008 62 not not RB 39928 2008 63 seem seem VB 39928 2008 64 so so RB 39928 2008 65 wildly wildly RB 39928 2008 66 improbable improbable JJ 39928 2008 67 a a DT 39928 2008 68 conjecture conjecture NN 39928 2008 69 as as IN 39928 2008 70 it -PRON- PRP 39928 2008 71 has have VBZ 39928 2008 72 hitherto hitherto VBN 39928 2008 73 been be VBN 39928 2008 74 held hold VBN 39928 2008 75 to to TO 39928 2008 76 be be VB 39928 2008 77 . . . 39928 2009 1 ARE are VBP 39928 2009 2 THE the DT 39928 2009 3 STARS star NNS 39928 2009 4 BENEFICIAL BENEFICIAL NNP 39928 2009 5 TO to IN 39928 2009 6 US US NNP 39928 2009 7 ? ? . 39928 2010 1 When when WRB 39928 2010 2 I -PRON- PRP 39928 2010 3 suggested suggest VBD 39928 2010 4 in in IN 39928 2010 5 my -PRON- PRP$ 39928 2010 6 first first JJ 39928 2010 7 publication publication NN 39928 2010 8 on on IN 39928 2010 9 this this DT 39928 2010 10 subject subject NN 39928 2010 11 that that IN 39928 2010 12 some some DT 39928 2010 13 emanations emanation NNS 39928 2010 14 from from IN 39928 2010 15 the the DT 39928 2010 16 stars star NNS 39928 2010 17 _ _ NNP 39928 2010 18 might may MD 39928 2010 19 _ _ NNP 39928 2010 20 be be VB 39928 2010 21 beneficial beneficial JJ 39928 2010 22 or or CC 39928 2010 23 injurious injurious JJ 39928 2010 24 , , , 39928 2010 25 and and CC 39928 2010 26 that that IN 39928 2010 27 a a DT 39928 2010 28 central central JJ 39928 2010 29 position position NN 39928 2010 30 _ _ NNP 39928 2010 31 might may MD 39928 2010 32 _ _ NNP 39928 2010 33 be be VB 39928 2010 34 essential essential JJ 39928 2010 35 in in IN 39928 2010 36 order order NN 39928 2010 37 to to TO 39928 2010 38 render render VB 39928 2010 39 these these DT 39928 2010 40 emanations emanation NNS 39928 2010 41 equable equable JJ 39928 2010 42 , , , 39928 2010 43 one one CD 39928 2010 44 of of IN 39928 2010 45 my -PRON- PRP$ 39928 2010 46 astronomical astronomical JJ 39928 2010 47 critics critic NNS 39928 2010 48 laughed laugh VBD 39928 2010 49 the the DT 39928 2010 50 idea idea NN 39928 2010 51 to to TO 39928 2010 52 scorn scorn VB 39928 2010 53 , , , 39928 2010 54 and and CC 39928 2010 55 declared declare VBD 39928 2010 56 that that IN 39928 2010 57 ' ' `` 39928 2010 58 we -PRON- PRP 39928 2010 59 might may MD 39928 2010 60 wander wander VB 39928 2010 61 into into IN 39928 2010 62 outer outer JJ 39928 2010 63 space space NN 39928 2010 64 without without IN 39928 2010 65 losing lose VBG 39928 2010 66 anything anything NN 39928 2010 67 more more RBR 39928 2010 68 serious serious JJ 39928 2010 69 than than IN 39928 2010 70 we -PRON- PRP 39928 2010 71 lose lose VBP 39928 2010 72 when when WRB 39928 2010 73 the the DT 39928 2010 74 night night NN 39928 2010 75 is be VBZ 39928 2010 76 cloudy cloudy JJ 39928 2010 77 and and CC 39928 2010 78 we -PRON- PRP 39928 2010 79 can can MD 39928 2010 80 not not RB 39928 2010 81 see see VB 39928 2010 82 the the DT 39928 2010 83 stars star NNS 39928 2010 84 . . . 39928 2011 1 ' ' `` 39928 2011 2 [ [ -LRB- 39928 2011 3 22 22 CD 39928 2011 4 ] ] -RRB- 39928 2011 5 How how WRB 39928 2011 6 my -PRON- PRP$ 39928 2011 7 critic critic NN 39928 2011 8 knows know VBZ 39928 2011 9 that that IN 39928 2011 10 this this DT 39928 2011 11 is be VBZ 39928 2011 12 so so RB 39928 2011 13 he -PRON- PRP 39928 2011 14 does do VBZ 39928 2011 15 not not RB 39928 2011 16 tell tell VB 39928 2011 17 us -PRON- PRP 39928 2011 18 . . . 39928 2012 1 He -PRON- PRP 39928 2012 2 states state VBZ 39928 2012 3 it -PRON- PRP 39928 2012 4 positively positively RB 39928 2012 5 , , , 39928 2012 6 with with IN 39928 2012 7 no no DT 39928 2012 8 qualification qualification NN 39928 2012 9 , , , 39928 2012 10 as as IN 39928 2012 11 if if IN 39928 2012 12 it -PRON- PRP 39928 2012 13 were be VBD 39928 2012 14 an an DT 39928 2012 15 established established JJ 39928 2012 16 fact fact NN 39928 2012 17 . . . 39928 2013 1 It -PRON- PRP 39928 2013 2 may may MD 39928 2013 3 be be VB 39928 2013 4 as as RB 39928 2013 5 well well RB 39928 2013 6 to to TO 39928 2013 7 inquire inquire VB 39928 2013 8 , , , 39928 2013 9 therefore therefore RB 39928 2013 10 , , , 39928 2013 11 if if IN 39928 2013 12 there there EX 39928 2013 13 is be VBZ 39928 2013 14 any any DT 39928 2013 15 evidence evidence NN 39928 2013 16 bearing bear VBG 39928 2013 17 upon upon IN 39928 2013 18 the the DT 39928 2013 19 point point NN 39928 2013 20 at at IN 39928 2013 21 issue issue NN 39928 2013 22 . . . 39928 2014 1 Astronomers astronomer NNS 39928 2014 2 are be VBP 39928 2014 3 so so RB 39928 2014 4 fully fully RB 39928 2014 5 occupied occupy VBN 39928 2014 6 with with IN 39928 2014 7 the the DT 39928 2014 8 vast vast JJ 39928 2014 9 number number NN 39928 2014 10 and and CC 39928 2014 11 variety variety NN 39928 2014 12 of of IN 39928 2014 13 the the DT 39928 2014 14 phenomena phenomenon NNS 39928 2014 15 presented present VBN 39928 2014 16 by by IN 39928 2014 17 the the DT 39928 2014 18 stellar stellar JJ 39928 2014 19 universe universe NN 39928 2014 20 and and CC 39928 2014 21 the the DT 39928 2014 22 various various JJ 39928 2014 23 difficult difficult JJ 39928 2014 24 problems problem NNS 39928 2014 25 arising arise VBG 39928 2014 26 therefrom therefrom NN 39928 2014 27 , , , 39928 2014 28 that that IN 39928 2014 29 many many JJ 39928 2014 30 lesser less JJR 39928 2014 31 but but CC 39928 2014 32 still still RB 39928 2014 33 interesting interesting JJ 39928 2014 34 inquiries inquiry NNS 39928 2014 35 have have VBP 39928 2014 36 necessarily necessarily RB 39928 2014 37 received receive VBN 39928 2014 38 little little JJ 39928 2014 39 attention attention NN 39928 2014 40 . . . 39928 2015 1 Such such PDT 39928 2015 2 a a DT 39928 2015 3 minor minor JJ 39928 2015 4 problem problem NN 39928 2015 5 is be VBZ 39928 2015 6 the the DT 39928 2015 7 determination determination NN 39928 2015 8 of of IN 39928 2015 9 how how WRB 39928 2015 10 much much JJ 39928 2015 11 heat heat NN 39928 2015 12 or or CC 39928 2015 13 other other JJ 39928 2015 14 active active JJ 39928 2015 15 radiation radiation NN 39928 2015 16 we -PRON- PRP 39928 2015 17 receive receive VBP 39928 2015 18 from from IN 39928 2015 19 the the DT 39928 2015 20 stars star NNS 39928 2015 21 ; ; : 39928 2015 22 yet yet CC 39928 2015 23 a a DT 39928 2015 24 few few JJ 39928 2015 25 observations observation NNS 39928 2015 26 have have VBP 39928 2015 27 been be VBN 39928 2015 28 made make VBN 39928 2015 29 with with IN 39928 2015 30 results result NNS 39928 2015 31 that that WDT 39928 2015 32 are be VBP 39928 2015 33 of of IN 39928 2015 34 considerable considerable JJ 39928 2015 35 interest interest NN 39928 2015 36 . . . 39928 2016 1 In in IN 39928 2016 2 the the DT 39928 2016 3 years year NNS 39928 2016 4 1900 1900 CD 39928 2016 5 and and CC 39928 2016 6 1901 1901 CD 39928 2016 7 Mr. Mr. NNP 39928 2016 8 E.F. E.F. NNP 39928 2016 9 Nichols Nichols NNP 39928 2016 10 of of IN 39928 2016 11 the the DT 39928 2016 12 Yerkes Yerkes NNP 39928 2016 13 Observatory Observatory NNP 39928 2016 14 made make VBD 39928 2016 15 a a DT 39928 2016 16 series series NN 39928 2016 17 of of IN 39928 2016 18 experiments experiment NNS 39928 2016 19 with with IN 39928 2016 20 a a DT 39928 2016 21 radiometer radiometer NN 39928 2016 22 of of IN 39928 2016 23 special special JJ 39928 2016 24 construction construction NN 39928 2016 25 , , , 39928 2016 26 to to TO 39928 2016 27 determine determine VB 39928 2016 28 the the DT 39928 2016 29 heat heat NN 39928 2016 30 emitted emit VBN 39928 2016 31 by by IN 39928 2016 32 certain certain JJ 39928 2016 33 stars star NNS 39928 2016 34 . . . 39928 2017 1 The the DT 39928 2017 2 result result NN 39928 2017 3 arrived arrive VBD 39928 2017 4 at at IN 39928 2017 5 was be VBD 39928 2017 6 , , , 39928 2017 7 that that IN 39928 2017 8 Vega Vega NNP 39928 2017 9 gave give VBD 39928 2017 10 about about RB 39928 2017 11 1/200000000 1/200000000 CD 39928 2017 12 of of IN 39928 2017 13 the the DT 39928 2017 14 heat heat NN 39928 2017 15 of of IN 39928 2017 16 a a DT 39928 2017 17 candle candle NN 39928 2017 18 at at IN 39928 2017 19 one one CD 39928 2017 20 metre metre NNP 39928 2017 21 distance distance NN 39928 2017 22 , , , 39928 2017 23 and and CC 39928 2017 24 Arcturus Arcturus NNP 39928 2017 25 about about IN 39928 2017 26 2.2 2.2 CD 39928 2017 27 times time NNS 39928 2017 28 as as RB 39928 2017 29 much much RB 39928 2017 30 . . . 39928 2018 1 In in IN 39928 2018 2 1895 1895 CD 39928 2018 3 and and CC 39928 2018 4 1896 1896 CD 39928 2018 5 Mr. Mr. NNP 39928 2018 6 G.M. G.M. NNP 39928 2019 1 Minchin Minchin NNP 39928 2019 2 made make VBD 39928 2019 3 a a DT 39928 2019 4 series series NN 39928 2019 5 of of IN 39928 2019 6 experiments experiment NNS 39928 2019 7 on on IN 39928 2019 8 the the DT 39928 2019 9 _ _ NNP 39928 2019 10 Electrical Electrical NNP 39928 2019 11 Measurement Measurement NNP 39928 2019 12 of of IN 39928 2019 13 Starlight Starlight NNP 39928 2019 14 _ _ NNP 39928 2019 15 , , , 39928 2019 16 by by IN 39928 2019 17 means mean NNS 39928 2019 18 of of IN 39928 2019 19 a a DT 39928 2019 20 photo photo NN 39928 2019 21 - - HYPH 39928 2019 22 electric electric JJ 39928 2019 23 cell cell NN 39928 2019 24 of of IN 39928 2019 25 peculiar peculiar JJ 39928 2019 26 construction construction NN 39928 2019 27 which which WDT 39928 2019 28 is be VBZ 39928 2019 29 sensitive sensitive JJ 39928 2019 30 to to IN 39928 2019 31 the the DT 39928 2019 32 whole whole NN 39928 2019 33 of of IN 39928 2019 34 the the DT 39928 2019 35 rays ray NNS 39928 2019 36 in in IN 39928 2019 37 the the DT 39928 2019 38 spectrum spectrum NN 39928 2019 39 , , , 39928 2019 40 and and CC 39928 2019 41 also also RB 39928 2019 42 to to IN 39928 2019 43 some some DT 39928 2019 44 of of IN 39928 2019 45 the the DT 39928 2019 46 ultra ultra JJ 39928 2019 47 - - JJ 39928 2019 48 red red JJ 39928 2019 49 and and CC 39928 2019 50 ultra ultra JJ 39928 2019 51 - - JJ 39928 2019 52 violet violet JJ 39928 2019 53 rays ray NNS 39928 2019 54 . . . 39928 2020 1 Combined combine VBN 39928 2020 2 with with IN 39928 2020 3 this this DT 39928 2020 4 was be VBD 39928 2020 5 a a DT 39928 2020 6 very very RB 39928 2020 7 delicate delicate JJ 39928 2020 8 electrometer electrometer NN 39928 2020 9 . . . 39928 2021 1 The the DT 39928 2021 2 telescope telescope NN 39928 2021 3 employed employ VBN 39928 2021 4 to to TO 39928 2021 5 concentrate concentrate VB 39928 2021 6 the the DT 39928 2021 7 light light NN 39928 2021 8 was be VBD 39928 2021 9 a a DT 39928 2021 10 reflector reflector NN 39928 2021 11 of of IN 39928 2021 12 two two CD 39928 2021 13 feet foot NNS 39928 2021 14 aperture aperture JJ 39928 2021 15 . . . 39928 2022 1 Mr. Mr. NNP 39928 2022 2 Minchin Minchin NNP 39928 2022 3 was be VBD 39928 2022 4 assisted assist VBN 39928 2022 5 in in IN 39928 2022 6 the the DT 39928 2022 7 experiments experiment NNS 39928 2022 8 by by IN 39928 2022 9 the the DT 39928 2022 10 late late JJ 39928 2022 11 Professor Professor NNP 39928 2022 12 G.F. G.F. NNP 39928 2022 13 Fitzgerald Fitzgerald NNP 39928 2022 14 , , , 39928 2022 15 F.R.S. F.R.S. NNP 39928 2022 16 , , , 39928 2022 17 of of IN 39928 2022 18 Trinity Trinity NNP 39928 2022 19 College College NNP 39928 2022 20 , , , 39928 2022 21 Dublin Dublin NNP 39928 2022 22 , , , 39928 2022 23 which which WDT 39928 2022 24 may may MD 39928 2022 25 be be VB 39928 2022 26 considered consider VBN 39928 2022 27 guarantee guarantee NN 39928 2022 28 of of IN 39928 2022 29 the the DT 39928 2022 30 accuracy accuracy NN 39928 2022 31 of of IN 39928 2022 32 the the DT 39928 2022 33 observations observation NNS 39928 2022 34 . . . 39928 2023 1 The the DT 39928 2023 2 following follow VBG 39928 2023 3 are be VBP 39928 2023 4 the the DT 39928 2023 5 chief chief JJ 39928 2023 6 results result NNS 39928 2023 7 obtained:-- obtained:-- '' 39928 2023 8 ----------------------------------------------------------------------- ----------------------------------------------------------------------- NFP 39928 2023 9 ---------------------------------+-------------+-----------+----------- ---------------------------------+-------------+-----------+----------- NFP 39928 2023 10 | | NNP 39928 2023 11 Deflection Deflection NNP 39928 2023 12 | | NNP 39928 2023 13 Light Light NNP 39928 2023 14 | | NNP 39928 2023 15 Source Source NNP 39928 2023 16 of of IN 39928 2023 17 Light Light NNP 39928 2023 18 . . . 39928 2024 1 | | NNP 39928 2024 2 in in IN 39928 2024 3 | | NNP 39928 2024 4 in in IN 39928 2024 5 | | NNP 39928 2024 6 E. E. NNP 39928 2024 7 M. M. NNP 39928 2024 8 F. F. NNP 39928 2024 9 | | NNP 39928 2024 10 Millimetres Millimetres NNP 39928 2024 11 | | NNP 39928 2024 12 Candles Candles NNPS 39928 2024 13 . . . 39928 2025 1 | | NNP 39928 2025 2 Volts volt NNS 39928 2025 3 . . . 39928 2026 1 ---------------------------------+-------------+-----------+----------- ---------------------------------+-------------+-----------+----------- NFP 39928 2026 2 1896 1896 CD 39928 2026 3 Candle candle NN 39928 2026 4 at at IN 39928 2026 5 10 10 CD 39928 2026 6 feet foot NNS 39928 2026 7 distance distance NN 39928 2026 8 | | CD 39928 2026 9 18.70 18.70 CD 39928 2026 10 | | CD 39928 2026 11 | | NNS 39928 2026 12 Betelgeuse Betelgeuse NNP 39928 2026 13 ( ( -LRB- 39928 2026 14 0.9 0.9 CD 39928 2026 15 mag mag NNP 39928 2026 16 . . . 39928 2026 17 ) ) -RRB- 39928 2027 1 | | CD 39928 2027 2 12.80 12.80 CD 39928 2027 3 | | CD 39928 2027 4 0.685 0.685 CD 39928 2027 5 | | CD 39928 2027 6 0.026 0.026 CD 39928 2027 7 Aldebaran Aldebaran NNP 39928 2027 8 ( ( -LRB- 39928 2027 9 1.1 1.1 CD 39928 2027 10 mag mag NN 39928 2027 11 . . . 39928 2027 12 ) ) -RRB- 39928 2028 1 | | NNP 39928 2028 2 5.21 5.21 CD 39928 2028 3 | | CD 39928 2028 4 0.279 0.279 CD 39928 2028 5 | | CD 39928 2028 6 0.012 0.012 CD 39928 2028 7 Procyon Procyon NNP 39928 2028 8 ( ( -LRB- 39928 2028 9 0.5 0.5 CD 39928 2028 10 mag mag IN 39928 2028 11 ) ) -RRB- 39928 2028 12 | | CD 39928 2028 13 4.89 4.89 CD 39928 2028 14 | | CD 39928 2028 15 0.261 0.261 CD 39928 2028 16 | | CD 39928 2028 17 0.011 0.011 CD 39928 2028 18 Alpha alpha NN 39928 2028 19 Cygni Cygni NNP 39928 2028 20 ( ( -LRB- 39928 2028 21 1.3 1.3 CD 39928 2028 22 mag mag NNP 39928 2028 23 . . . 39928 2028 24 ) ) -RRB- 39928 2029 1 | | CD 39928 2029 2 4.90 4.90 CD 39928 2029 3 | | CD 39928 2029 4 0.262 0.262 CD 39928 2029 5 | | CD 39928 2029 6 0.011 0.011 CD 39928 2029 7 Polaris Polaris NNP 39928 2029 8 ( ( -LRB- 39928 2029 9 2.1 2.1 CD 39928 2029 10 mag mag NNP 39928 2029 11 . . . 39928 2029 12 ) ) -RRB- 39928 2030 1 | | NNP 39928 2030 2 3.10 3.10 CD 39928 2030 3 | | CD 39928 2030 4 0.166 0.166 CD 39928 2030 5 | | CD 39928 2030 6 0.007 0.007 CD 39928 2030 7 ---------------------------------+-------------+-----------+----------- ---------------------------------+-------------+-----------+----------- SYM 39928 2030 8 1 1 CD 39928 2030 9 volt volt NN 39928 2030 10 . . . 39928 2031 1 | | NNP 39928 2031 2 432.00 432.00 CD 39928 2031 3 | | CD 39928 2031 4 | | CD 39928 2031 5 | | CD 39928 2031 6 | | CD 39928 2031 7 | | CD 39928 2031 8 1895 1895 CD 39928 2031 9 Arcturus Arcturus NNP 39928 2031 10 ( ( -LRB- 39928 2031 11 0.3 0.3 CD 39928 2031 12 mag mag NN 39928 2031 13 . . . 39928 2031 14 ) ) -RRB- 39928 2032 1 | | NNP 39928 2032 2 8.2 8.2 CD 39928 2032 3 | | CD 39928 2032 4 1.01 1.01 CD 39928 2032 5 | | CD 39928 2032 6 0.019 0.019 CD 39928 2032 7 Vega Vega NNP 39928 2032 8 ( ( -LRB- 39928 2032 9 0.1 0.1 CD 39928 2032 10 mag mag IN 39928 2032 11 ) ) -RRB- 39928 2032 12 | | CD 39928 2032 13 11.5 11.5 CD 39928 2032 14 | | CD 39928 2032 15 1.42 1.42 CD 39928 2032 16 | | CD 39928 2032 17 0.026 0.026 CD 39928 2032 18 Candle candle NN 39928 2032 19 at at IN 39928 2032 20 10 10 CD 39928 2032 21 feet foot NNS 39928 2032 22 | | CD 39928 2032 23 8.1 8.1 CD 39928 2032 24 | | CD 39928 2032 25 | | CD 39928 2032 26 ---------------------------------+-------------+-----------+----------- ---------------------------------+-------------+-----------+----------- SYM 39928 2032 27 N.B.--The N.B.--The NNP 39928 2032 28 standard standard JJ 39928 2032 29 candle candle NN 39928 2032 30 shone shone NN 39928 2032 31 directly directly RB 39928 2032 32 on on IN 39928 2032 33 the the DT 39928 2032 34 cell cell NN 39928 2032 35 , , , 39928 2032 36 whereas whereas IN 39928 2032 37 the the DT 39928 2032 38 star star NN 39928 2032 39 's 's POS 39928 2032 40 light light NN 39928 2032 41 was be VBD 39928 2032 42 concentrated concentrate VBN 39928 2032 43 by by IN 39928 2032 44 a a DT 39928 2032 45 2-foot 2-foot CD 39928 2032 46 mirror mirror NN 39928 2032 47 . . . 39928 2033 1 The the DT 39928 2033 2 sensitive sensitive JJ 39928 2033 3 surface surface NN 39928 2033 4 on on IN 39928 2033 5 which which WDT 39928 2033 6 the the DT 39928 2033 7 light light NN 39928 2033 8 of of IN 39928 2033 9 the the DT 39928 2033 10 stars star NNS 39928 2033 11 was be VBD 39928 2033 12 concentrated concentrate VBN 39928 2033 13 was be VBD 39928 2033 14 1/20 1/20 CD 39928 2033 15 inch inch NN 39928 2033 16 in in IN 39928 2033 17 diameter diameter NN 39928 2033 18 . . . 39928 2034 1 We -PRON- PRP 39928 2034 2 must must MD 39928 2034 3 therefore therefore RB 39928 2034 4 diminish diminish VB 39928 2034 5 the the DT 39928 2034 6 amount amount NN 39928 2034 7 of of IN 39928 2034 8 candle candle NN 39928 2034 9 light light NN 39928 2034 10 in in IN 39928 2034 11 this this DT 39928 2034 12 table table NN 39928 2034 13 in in IN 39928 2034 14 the the DT 39928 2034 15 proportion proportion NN 39928 2034 16 of of IN 39928 2034 17 the the DT 39928 2034 18 square square NN 39928 2034 19 of of IN 39928 2034 20 the the DT 39928 2034 21 diameter diameter NN 39928 2034 22 of of IN 39928 2034 23 the the DT 39928 2034 24 mirror mirror NN 39928 2034 25 ( ( -LRB- 39928 2034 26 in in IN 39928 2034 27 1/20 1/20 CD 39928 2034 28 of of IN 39928 2034 29 an an DT 39928 2034 30 inch inch NN 39928 2034 31 ) ) -RRB- 39928 2034 32 to to IN 39928 2034 33 one one CD 39928 2034 34 , , , 39928 2034 35 equal equal JJ 39928 2034 36 to to IN 39928 2034 37 1/230400 1/230400 CD 39928 2034 38 . . . 39928 2035 1 If if IN 39928 2035 2 we -PRON- PRP 39928 2035 3 make make VBP 39928 2035 4 the the DT 39928 2035 5 necessary necessary JJ 39928 2035 6 reduction reduction NN 39928 2035 7 in in IN 39928 2035 8 the the DT 39928 2035 9 case case NN 39928 2035 10 of of IN 39928 2035 11 Vega Vega NNP 39928 2035 12 , , , 39928 2035 13 and and CC 39928 2035 14 also also RB 39928 2035 15 equalise equalise VB 39928 2035 16 the the DT 39928 2035 17 distance distance NN 39928 2035 18 at at IN 39928 2035 19 which which WDT 39928 2035 20 the the DT 39928 2035 21 candle candle NN 39928 2035 22 was be VBD 39928 2035 23 placed place VBN 39928 2035 24 , , , 39928 2035 25 we -PRON- PRP 39928 2035 26 find find VBP 39928 2035 27 the the DT 39928 2035 28 following follow VBG 39928 2035 29 result:-- result:-- '' 39928 2035 30 Observer Observer NNP 39928 2035 31 . . . 39928 2036 1 Star Star NNP 39928 2036 2 . . . 39928 2037 1 Candle candle NN 39928 2037 2 power power NN 39928 2037 3 at at IN 39928 2037 4 10 10 CD 39928 2037 5 ft ft NN 39928 2037 6 . . . 39928 2037 7 Minchin Minchin NNP 39928 2037 8 . . . 39928 2038 1 Vega Vega NNP 39928 2038 2 1/162250 1/162250 CD 39928 2038 3 Nichols Nichols NNP 39928 2038 4 . . . 39928 2038 5 " " '' 39928 2039 1 1/22000000 1/22000000 CD 39928 2039 2 This this DT 39928 2039 3 enormous enormous JJ 39928 2039 4 difference difference NN 39928 2039 5 in in IN 39928 2039 6 the the DT 39928 2039 7 result result NN 39928 2039 8 is be VBZ 39928 2039 9 no no DT 39928 2039 10 doubt doubt NN 39928 2039 11 largely largely RB 39928 2039 12 due due JJ 39928 2039 13 to to IN 39928 2039 14 the the DT 39928 2039 15 fact fact NN 39928 2039 16 that that IN 39928 2039 17 Mr. Mr. NNP 39928 2039 18 Nichols Nichols NNP 39928 2039 19 's 's POS 39928 2039 20 apparatus apparatus NN 39928 2039 21 measured measure VBD 39928 2039 22 heat heat NN 39928 2039 23 alone alone RB 39928 2039 24 , , , 39928 2039 25 whereas whereas IN 39928 2039 26 Mr. Mr. NNP 39928 2039 27 Minchin Minchin NNP 39928 2039 28 's 's POS 39928 2039 29 cell cell NN 39928 2039 30 measured measure VBD 39928 2039 31 almost almost RB 39928 2039 32 all all PDT 39928 2039 33 the the DT 39928 2039 34 rays ray NNS 39928 2039 35 . . . 39928 2040 1 And and CC 39928 2040 2 this this DT 39928 2040 3 is be VBZ 39928 2040 4 further further RB 39928 2040 5 shown show VBN 39928 2040 6 by by IN 39928 2040 7 the the DT 39928 2040 8 fact fact NN 39928 2040 9 that that IN 39928 2040 10 , , , 39928 2040 11 whereas whereas IN 39928 2040 12 Mr. Mr. NNP 39928 2040 13 Nichols Nichols NNP 39928 2040 14 found find VBD 39928 2040 15 Arcturus Arcturus NNP 39928 2040 16 a a DT 39928 2040 17 red red JJ 39928 2040 18 star star NN 39928 2040 19 , , , 39928 2040 20 hotter hot JJR 39928 2040 21 than than IN 39928 2040 22 Vega Vega NNP 39928 2040 23 a a DT 39928 2040 24 white white JJ 39928 2040 25 one one NN 39928 2040 26 , , , 39928 2040 27 Mr. Mr. NNP 39928 2040 28 Minchin Minchin NNP 39928 2040 29 , , , 39928 2040 30 measuring measure VBG 39928 2040 31 also also RB 39928 2040 32 the the DT 39928 2040 33 light light NN 39928 2040 34 - - HYPH 39928 2040 35 giving give VBG 39928 2040 36 and and CC 39928 2040 37 some some DT 39928 2040 38 of of IN 39928 2040 39 the the DT 39928 2040 40 chemical chemical NN 39928 2040 41 rays ray NNS 39928 2040 42 , , , 39928 2040 43 found find VBD 39928 2040 44 Vega Vega NNP 39928 2040 45 considerably considerably RB 39928 2040 46 more more RBR 39928 2040 47 energetic energetic JJ 39928 2040 48 than than IN 39928 2040 49 Arcturus Arcturus NNP 39928 2040 50 . . . 39928 2041 1 These these DT 39928 2041 2 comparisons comparison NNS 39928 2041 3 also also RB 39928 2041 4 suggest suggest VBP 39928 2041 5 that that IN 39928 2041 6 other other JJ 39928 2041 7 modes mode NNS 39928 2041 8 of of IN 39928 2041 9 measurement measurement NN 39928 2041 10 might may MD 39928 2041 11 give give VB 39928 2041 12 yet yet RB 39928 2041 13 higher high JJR 39928 2041 14 results result NNS 39928 2041 15 , , , 39928 2041 16 but but CC 39928 2041 17 it -PRON- PRP 39928 2041 18 will will MD 39928 2041 19 no no RB 39928 2041 20 doubt doubt RB 39928 2041 21 be be VB 39928 2041 22 urged urge VBN 39928 2041 23 that that IN 39928 2041 24 such such JJ 39928 2041 25 minute minute JJ 39928 2041 26 effects effect NNS 39928 2041 27 must must MD 39928 2041 28 necessarily necessarily RB 39928 2041 29 be be VB 39928 2041 30 quite quite RB 39928 2041 31 inoperative inoperative JJ 39928 2041 32 upon upon IN 39928 2041 33 the the DT 39928 2041 34 organic organic JJ 39928 2041 35 world world NN 39928 2041 36 . . . 39928 2042 1 There there EX 39928 2042 2 are be VBP 39928 2042 3 , , , 39928 2042 4 however however RB 39928 2042 5 , , , 39928 2042 6 some some DT 39928 2042 7 considerations consideration NNS 39928 2042 8 which which WDT 39928 2042 9 tend tend VBP 39928 2042 10 the the DT 39928 2042 11 other other JJ 39928 2042 12 way way NN 39928 2042 13 . . . 39928 2043 1 Mr. Mr. NNP 39928 2043 2 Minchin Minchin NNP 39928 2043 3 remarks remark VBZ 39928 2043 4 on on IN 39928 2043 5 the the DT 39928 2043 6 unexpected unexpected JJ 39928 2043 7 fact fact NN 39928 2043 8 that that IN 39928 2043 9 Betelgeuse Betelgeuse NNP 39928 2043 10 produces produce VBZ 39928 2043 11 more more JJR 39928 2043 12 than than IN 39928 2043 13 double double PDT 39928 2043 14 the the DT 39928 2043 15 electrical electrical JJ 39928 2043 16 energy energy NN 39928 2043 17 of of IN 39928 2043 18 Procyon Procyon NNP 39928 2043 19 , , , 39928 2043 20 a a DT 39928 2043 21 much much RB 39928 2043 22 brighter bright JJR 39928 2043 23 star star NN 39928 2043 24 . . . 39928 2044 1 This this DT 39928 2044 2 indicates indicate VBZ 39928 2044 3 that that IN 39928 2044 4 many many JJ 39928 2044 5 of of IN 39928 2044 6 the the DT 39928 2044 7 stars star NNS 39928 2044 8 of of IN 39928 2044 9 smaller small JJR 39928 2044 10 visual visual JJ 39928 2044 11 magnitudes magnitude NNS 39928 2044 12 may may MD 39928 2044 13 give give VB 39928 2044 14 out out RP 39928 2044 15 a a DT 39928 2044 16 large large JJ 39928 2044 17 amount amount NN 39928 2044 18 of of IN 39928 2044 19 energy energy NN 39928 2044 20 , , , 39928 2044 21 and and CC 39928 2044 22 it -PRON- PRP 39928 2044 23 is be VBZ 39928 2044 24 this this DT 39928 2044 25 energy energy NN 39928 2044 26 , , , 39928 2044 27 which which WDT 39928 2044 28 we -PRON- PRP 39928 2044 29 now now RB 39928 2044 30 know know VBP 39928 2044 31 can can MD 39928 2044 32 take take VB 39928 2044 33 many many JJ 39928 2044 34 strange strange JJ 39928 2044 35 and and CC 39928 2044 36 varied varied JJ 39928 2044 37 forms form NNS 39928 2044 38 , , , 39928 2044 39 that that WDT 39928 2044 40 would would MD 39928 2044 41 be be VB 39928 2044 42 likely likely JJ 39928 2044 43 to to TO 39928 2044 44 influence influence VB 39928 2044 45 organic organic JJ 39928 2044 46 life life NN 39928 2044 47 . . . 39928 2045 1 And and CC 39928 2045 2 as as IN 39928 2045 3 to to IN 39928 2045 4 the the DT 39928 2045 5 quantity quantity NN 39928 2045 6 being be VBG 39928 2045 7 too too RB 39928 2045 8 minute minute JJ 39928 2045 9 to to TO 39928 2045 10 have have VB 39928 2045 11 any any DT 39928 2045 12 effect effect NN 39928 2045 13 , , , 39928 2045 14 we -PRON- PRP 39928 2045 15 know know VBP 39928 2045 16 that that IN 39928 2045 17 the the DT 39928 2045 18 excessively excessively RB 39928 2045 19 minute minute JJ 39928 2045 20 amount amount NN 39928 2045 21 of of IN 39928 2045 22 light light NN 39928 2045 23 from from IN 39928 2045 24 the the DT 39928 2045 25 very very RB 39928 2045 26 smallest small JJS 39928 2045 27 telescopic telescopic JJ 39928 2045 28 stars star NNS 39928 2045 29 produces produce VBZ 39928 2045 30 such such JJ 39928 2045 31 chemical chemical NN 39928 2045 32 changes change NNS 39928 2045 33 on on IN 39928 2045 34 a a DT 39928 2045 35 photographic photographic JJ 39928 2045 36 plate plate NN 39928 2045 37 as as IN 39928 2045 38 to to TO 39928 2045 39 form form VB 39928 2045 40 distinct distinct JJ 39928 2045 41 images image NNS 39928 2045 42 , , , 39928 2045 43 with with IN 39928 2045 44 comparatively comparatively RB 39928 2045 45 small small JJ 39928 2045 46 lenses lense NNS 39928 2045 47 or or CC 39928 2045 48 reflectors reflector NNS 39928 2045 49 and and CC 39928 2045 50 with with IN 39928 2045 51 an an DT 39928 2045 52 exposure exposure NN 39928 2045 53 of of IN 39928 2045 54 two two CD 39928 2045 55 or or CC 39928 2045 56 three three CD 39928 2045 57 hours hour NNS 39928 2045 58 . . . 39928 2046 1 And and CC 39928 2046 2 if if IN 39928 2046 3 it -PRON- PRP 39928 2046 4 were be VBD 39928 2046 5 not not RB 39928 2046 6 that that IN 39928 2046 7 the the DT 39928 2046 8 diffused diffuse VBN 39928 2046 9 light light NN 39928 2046 10 of of IN 39928 2046 11 the the DT 39928 2046 12 surrounding surround VBG 39928 2046 13 sky sky NN 39928 2046 14 also also RB 39928 2046 15 acts act VBZ 39928 2046 16 upon upon IN 39928 2046 17 the the DT 39928 2046 18 plate plate NN 39928 2046 19 and and CC 39928 2046 20 blurs blur VBZ 39928 2046 21 the the DT 39928 2046 22 faint faint JJ 39928 2046 23 images image NNS 39928 2046 24 , , , 39928 2046 25 much much RB 39928 2046 26 smaller small JJR 39928 2046 27 stars star NNS 39928 2046 28 could could MD 39928 2046 29 be be VB 39928 2046 30 photographed photograph VBN 39928 2046 31 . . . 39928 2047 1 We -PRON- PRP 39928 2047 2 know know VBP 39928 2047 3 that that IN 39928 2047 4 not not RB 39928 2047 5 all all PDT 39928 2047 6 the the DT 39928 2047 7 rays ray NNS 39928 2047 8 , , , 39928 2047 9 but but CC 39928 2047 10 a a DT 39928 2047 11 portion portion NN 39928 2047 12 only only RB 39928 2047 13 , , , 39928 2047 14 are be VBP 39928 2047 15 capable capable JJ 39928 2047 16 of of IN 39928 2047 17 producing produce VBG 39928 2047 18 these these DT 39928 2047 19 effects effect NNS 39928 2047 20 ; ; : 39928 2047 21 we -PRON- PRP 39928 2047 22 know know VBP 39928 2047 23 also also RB 39928 2047 24 that that IN 39928 2047 25 there there EX 39928 2047 26 are be VBP 39928 2047 27 many many JJ 39928 2047 28 kinds kind NNS 39928 2047 29 of of IN 39928 2047 30 radiation radiation NN 39928 2047 31 from from IN 39928 2047 32 the the DT 39928 2047 33 stars star NNS 39928 2047 34 , , , 39928 2047 35 and and CC 39928 2047 36 probably probably RB 39928 2047 37 some some DT 39928 2047 38 yet yet RB 39928 2047 39 undiscovered undiscovered JJ 39928 2047 40 comparable comparable JJ 39928 2047 41 with with IN 39928 2047 42 the the DT 39928 2047 43 X x NN 39928 2047 44 rays ray NNS 39928 2047 45 and and CC 39928 2047 46 other other JJ 39928 2047 47 new new JJ 39928 2047 48 forms form NNS 39928 2047 49 of of IN 39928 2047 50 radiation radiation NN 39928 2047 51 . . . 39928 2048 1 We -PRON- PRP 39928 2048 2 must must MD 39928 2048 3 also also RB 39928 2048 4 remember remember VB 39928 2048 5 the the DT 39928 2048 6 endless endless JJ 39928 2048 7 variety variety NN 39928 2048 8 and and CC 39928 2048 9 the the DT 39928 2048 10 extreme extreme JJ 39928 2048 11 instability instability NN 39928 2048 12 of of IN 39928 2048 13 the the DT 39928 2048 14 protoplasmic protoplasmic JJ 39928 2048 15 products product NNS 39928 2048 16 in in IN 39928 2048 17 the the DT 39928 2048 18 living live VBG 39928 2048 19 organism organism NN 39928 2048 20 , , , 39928 2048 21 many many JJ 39928 2048 22 of of IN 39928 2048 23 which which WDT 39928 2048 24 are be VBP 39928 2048 25 perhaps perhaps RB 39928 2048 26 as as RB 39928 2048 27 sensitive sensitive JJ 39928 2048 28 to to IN 39928 2048 29 special special JJ 39928 2048 30 rays ray NNS 39928 2048 31 as as IN 39928 2048 32 is be VBZ 39928 2048 33 the the DT 39928 2048 34 photographic photographic JJ 39928 2048 35 plate plate NN 39928 2048 36 . . . 39928 2049 1 And and CC 39928 2049 2 we -PRON- PRP 39928 2049 3 are be VBP 39928 2049 4 not not RB 39928 2049 5 here here RB 39928 2049 6 limited limit VBN 39928 2049 7 to to IN 39928 2049 8 action action NN 39928 2049 9 for for IN 39928 2049 10 a a DT 39928 2049 11 few few JJ 39928 2049 12 minutes minute NNS 39928 2049 13 or or CC 39928 2049 14 a a DT 39928 2049 15 few few JJ 39928 2049 16 hours hour NNS 39928 2049 17 , , , 39928 2049 18 but but CC 39928 2049 19 throughout throughout IN 39928 2049 20 the the DT 39928 2049 21 whole whole JJ 39928 2049 22 night night NN 39928 2049 23 and and CC 39928 2049 24 day day NN 39928 2049 25 , , , 39928 2049 26 and and CC 39928 2049 27 continued continue VBD 39928 2049 28 whenever whenever WRB 39928 2049 29 the the DT 39928 2049 30 sky sky NN 39928 2049 31 is be VBZ 39928 2049 32 clear clear JJ 39928 2049 33 for for IN 39928 2049 34 months month NNS 39928 2049 35 or or CC 39928 2049 36 years year NNS 39928 2049 37 . . . 39928 2050 1 Thus thus RB 39928 2050 2 the the DT 39928 2050 3 cumulative cumulative JJ 39928 2050 4 effect effect NN 39928 2050 5 of of IN 39928 2050 6 these these DT 39928 2050 7 very very RB 39928 2050 8 weak weak JJ 39928 2050 9 radiations radiation NNS 39928 2050 10 may may MD 39928 2050 11 become become VB 39928 2050 12 important important JJ 39928 2050 13 . . . 39928 2051 1 It -PRON- PRP 39928 2051 2 is be VBZ 39928 2051 3 probable probable JJ 39928 2051 4 that that IN 39928 2051 5 their -PRON- PRP$ 39928 2051 6 action action NN 39928 2051 7 would would MD 39928 2051 8 be be VB 39928 2051 9 most most RBS 39928 2051 10 influential influential JJ 39928 2051 11 on on IN 39928 2051 12 plants plant NNS 39928 2051 13 , , , 39928 2051 14 and and CC 39928 2051 15 here here RB 39928 2051 16 we -PRON- PRP 39928 2051 17 find find VBP 39928 2051 18 all all PDT 39928 2051 19 the the DT 39928 2051 20 conditions condition NNS 39928 2051 21 requisite requisite JJ 39928 2051 22 for for IN 39928 2051 23 its -PRON- PRP$ 39928 2051 24 accumulation accumulation NN 39928 2051 25 and and CC 39928 2051 26 utilisation utilisation NN 39928 2051 27 in in IN 39928 2051 28 the the DT 39928 2051 29 large large JJ 39928 2051 30 amount amount NN 39928 2051 31 of of IN 39928 2051 32 leaf leaf NN 39928 2051 33 - - HYPH 39928 2051 34 surface surface NN 39928 2051 35 exposed expose VBN 39928 2051 36 to to IN 39928 2051 37 it -PRON- PRP 39928 2051 38 . . . 39928 2052 1 A a DT 39928 2052 2 large large JJ 39928 2052 3 tree tree NN 39928 2052 4 must must MD 39928 2052 5 present present VB 39928 2052 6 some some DT 39928 2052 7 hundreds hundred NNS 39928 2052 8 of of IN 39928 2052 9 superficial superficial JJ 39928 2052 10 feet foot NNS 39928 2052 11 of of IN 39928 2052 12 receptive receptive JJ 39928 2052 13 surface surface NN 39928 2052 14 , , , 39928 2052 15 while while IN 39928 2052 16 even even RB 39928 2052 17 shrubs shrub NNS 39928 2052 18 and and CC 39928 2052 19 herbs herb NNS 39928 2052 20 often often RB 39928 2052 21 have have VBP 39928 2052 22 a a DT 39928 2052 23 leaf leaf NN 39928 2052 24 - - HYPH 39928 2052 25 area area NN 39928 2052 26 of of IN 39928 2052 27 greater great JJR 39928 2052 28 superficial superficial JJ 39928 2052 29 extent extent NN 39928 2052 30 than than IN 39928 2052 31 the the DT 39928 2052 32 object object NN 39928 2052 33 - - HYPH 39928 2052 34 glasses glass NNS 39928 2052 35 of of IN 39928 2052 36 our -PRON- PRP$ 39928 2052 37 largest large JJS 39928 2052 38 telescopes telescope NNS 39928 2052 39 . . . 39928 2053 1 Some some DT 39928 2053 2 of of IN 39928 2053 3 the the DT 39928 2053 4 highly highly RB 39928 2053 5 complex complex JJ 39928 2053 6 chemical chemical NN 39928 2053 7 processes process NNS 39928 2053 8 that that WDT 39928 2053 9 go go VBP 39928 2053 10 on on RP 39928 2053 11 in in IN 39928 2053 12 plants plant NNS 39928 2053 13 may may MD 39928 2053 14 be be VB 39928 2053 15 helped help VBN 39928 2053 16 by by IN 39928 2053 17 these these DT 39928 2053 18 radiations radiation NNS 39928 2053 19 , , , 39928 2053 20 and and CC 39928 2053 21 their -PRON- PRP$ 39928 2053 22 action action NN 39928 2053 23 would would MD 39928 2053 24 be be VB 39928 2053 25 increased increase VBN 39928 2053 26 by by IN 39928 2053 27 the the DT 39928 2053 28 fact fact NN 39928 2053 29 that that IN 39928 2053 30 , , , 39928 2053 31 coming come VBG 39928 2053 32 from from IN 39928 2053 33 every every DT 39928 2053 34 direction direction NN 39928 2053 35 over over IN 39928 2053 36 the the DT 39928 2053 37 whole whole JJ 39928 2053 38 surface surface NN 39928 2053 39 of of IN 39928 2053 40 the the DT 39928 2053 41 heavens heavens NNPS 39928 2053 42 , , , 39928 2053 43 the the DT 39928 2053 44 rays ray NNS 39928 2053 45 from from IN 39928 2053 46 the the DT 39928 2053 47 stars star NNS 39928 2053 48 would would MD 39928 2053 49 be be VB 39928 2053 50 able able JJ 39928 2053 51 to to TO 39928 2053 52 reach reach VB 39928 2053 53 and and CC 39928 2053 54 act act VB 39928 2053 55 upon upon IN 39928 2053 56 every every DT 39928 2053 57 leaf leaf NN 39928 2053 58 of of IN 39928 2053 59 the the DT 39928 2053 60 densest dense JJS 39928 2053 61 masses masse NNS 39928 2053 62 of of IN 39928 2053 63 foliage foliage NN 39928 2053 64 . . . 39928 2054 1 The the DT 39928 2054 2 large large JJ 39928 2054 3 amount amount NN 39928 2054 4 of of IN 39928 2054 5 growth growth NN 39928 2054 6 that that WDT 39928 2054 7 takes take VBZ 39928 2054 8 place place NN 39928 2054 9 at at IN 39928 2054 10 night night NN 39928 2054 11 may may MD 39928 2054 12 be be VB 39928 2054 13 in in IN 39928 2054 14 part part NN 39928 2054 15 due due IN 39928 2054 16 to to IN 39928 2054 17 this this DT 39928 2054 18 agency agency NN 39928 2054 19 . . . 39928 2055 1 Of of RB 39928 2055 2 course course RB 39928 2055 3 all all PDT 39928 2055 4 this this DT 39928 2055 5 is be VBZ 39928 2055 6 highly highly RB 39928 2055 7 speculative speculative JJ 39928 2055 8 ; ; : 39928 2055 9 but but CC 39928 2055 10 I -PRON- PRP 39928 2055 11 submit submit VBP 39928 2055 12 , , , 39928 2055 13 in in IN 39928 2055 14 view view NN 39928 2055 15 of of IN 39928 2055 16 the the DT 39928 2055 17 fact fact NN 39928 2055 18 that that IN 39928 2055 19 the the DT 39928 2055 20 light light NN 39928 2055 21 of of IN 39928 2055 22 the the DT 39928 2055 23 very very RB 39928 2055 24 faintest faint JJS 39928 2055 25 stars star NNS 39928 2055 26 _ _ NNP 39928 2055 27 does do VBZ 39928 2055 28 _ _ NNP 39928 2055 29 produce produce VB 39928 2055 30 distinct distinct JJ 39928 2055 31 chemical chemical NN 39928 2055 32 changes change NNS 39928 2055 33 , , , 39928 2055 34 that that IN 39928 2055 35 even even RB 39928 2055 36 the the DT 39928 2055 37 very very RB 39928 2055 38 minute minute JJ 39928 2055 39 heat heat NN 39928 2055 40 - - HYPH 39928 2055 41 effects effect NNS 39928 2055 42 are be VBP 39928 2055 43 measureable measureable JJ 39928 2055 44 , , , 39928 2055 45 as as RB 39928 2055 46 well well RB 39928 2055 47 as as IN 39928 2055 48 the the DT 39928 2055 49 electro electro JJ 39928 2055 50 - - HYPH 39928 2055 51 motive motive JJ 39928 2055 52 forces force NNS 39928 2055 53 caused cause VBN 39928 2055 54 by by IN 39928 2055 55 them -PRON- PRP 39928 2055 56 ; ; : 39928 2055 57 and and CC 39928 2055 58 further far RBR 39928 2055 59 , , , 39928 2055 60 that that IN 39928 2055 61 when when WRB 39928 2055 62 we -PRON- PRP 39928 2055 63 consider consider VBP 39928 2055 64 the the DT 39928 2055 65 millions million NNS 39928 2055 66 , , , 39928 2055 67 perhaps perhaps RB 39928 2055 68 hundreds hundred NNS 39928 2055 69 of of IN 39928 2055 70 millions million NNS 39928 2055 71 of of IN 39928 2055 72 stars star NNS 39928 2055 73 , , , 39928 2055 74 all all DT 39928 2055 75 acting act VBG 39928 2055 76 simultaneously simultaneously RB 39928 2055 77 on on IN 39928 2055 78 any any DT 39928 2055 79 organism organism NN 39928 2055 80 which which WDT 39928 2055 81 may may MD 39928 2055 82 be be VB 39928 2055 83 sensitive sensitive JJ 39928 2055 84 to to IN 39928 2055 85 them -PRON- PRP 39928 2055 86 , , , 39928 2055 87 the the DT 39928 2055 88 supposition supposition NN 39928 2055 89 that that IN 39928 2055 90 they -PRON- PRP 39928 2055 91 do do VBP 39928 2055 92 produce produce VB 39928 2055 93 some some DT 39928 2055 94 effect effect NN 39928 2055 95 , , , 39928 2055 96 and and CC 39928 2055 97 possibly possibly RB 39928 2055 98 a a DT 39928 2055 99 very very RB 39928 2055 100 important important JJ 39928 2055 101 effect effect NN 39928 2055 102 , , , 39928 2055 103 is be VBZ 39928 2055 104 not not RB 39928 2055 105 one one CD 39928 2055 106 to to TO 39928 2055 107 be be VB 39928 2055 108 summarily summarily RB 39928 2055 109 rejected reject VBN 39928 2055 110 as as IN 39928 2055 111 altogether altogether RB 39928 2055 112 absurd absurd JJ 39928 2055 113 and and CC 39928 2055 114 not not RB 39928 2055 115 worth worth JJ 39928 2055 116 inquiring inquire VBG 39928 2055 117 into into IN 39928 2055 118 . . . 39928 2056 1 It -PRON- PRP 39928 2056 2 is be VBZ 39928 2056 3 not not RB 39928 2056 4 , , , 39928 2056 5 however however RB 39928 2056 6 , , , 39928 2056 7 these these DT 39928 2056 8 possible possible JJ 39928 2056 9 direct direct JJ 39928 2056 10 actions action NNS 39928 2056 11 of of IN 39928 2056 12 the the DT 39928 2056 13 stars star NNS 39928 2056 14 upon upon IN 39928 2056 15 living live VBG 39928 2056 16 organisms organism NNS 39928 2056 17 to to TO 39928 2056 18 which which WDT 39928 2056 19 I -PRON- PRP 39928 2056 20 attach attach VBP 39928 2056 21 much much JJ 39928 2056 22 weight weight NN 39928 2056 23 as as IN 39928 2056 24 regards regard VBZ 39928 2056 25 our -PRON- PRP$ 39928 2056 26 central central JJ 39928 2056 27 position position NN 39928 2056 28 in in IN 39928 2056 29 the the DT 39928 2056 30 stellar stellar JJ 39928 2056 31 universe universe NN 39928 2056 32 . . . 39928 2057 1 Further further JJ 39928 2057 2 consideration consideration NN 39928 2057 3 of of IN 39928 2057 4 the the DT 39928 2057 5 subject subject NN 39928 2057 6 has have VBZ 39928 2057 7 convinced convince VBN 39928 2057 8 me -PRON- PRP 39928 2057 9 that that IN 39928 2057 10 the the DT 39928 2057 11 fundamental fundamental JJ 39928 2057 12 importance importance NN 39928 2057 13 of of IN 39928 2057 14 that that DT 39928 2057 15 position position NN 39928 2057 16 is be VBZ 39928 2057 17 a a DT 39928 2057 18 physical physical JJ 39928 2057 19 one one NN 39928 2057 20 , , , 39928 2057 21 as as IN 39928 2057 22 has have VBZ 39928 2057 23 already already RB 39928 2057 24 been be VBN 39928 2057 25 suggested suggest VBN 39928 2057 26 by by IN 39928 2057 27 Sir Sir NNP 39928 2057 28 Norman Norman NNP 39928 2057 29 Lockyer Lockyer NNP 39928 2057 30 and and CC 39928 2057 31 some some DT 39928 2057 32 other other JJ 39928 2057 33 astronomers astronomer NNS 39928 2057 34 . . . 39928 2058 1 Briefly briefly RB 39928 2058 2 , , , 39928 2058 3 the the DT 39928 2058 4 central central JJ 39928 2058 5 position position NN 39928 2058 6 appears appear VBZ 39928 2058 7 to to TO 39928 2058 8 be be VB 39928 2058 9 the the DT 39928 2058 10 only only JJ 39928 2058 11 one one CD 39928 2058 12 where where WRB 39928 2058 13 suns sun NNS 39928 2058 14 can can MD 39928 2058 15 be be VB 39928 2058 16 sufficiently sufficiently RB 39928 2058 17 stable stable JJ 39928 2058 18 and and CC 39928 2058 19 long long RB 39928 2058 20 - - HYPH 39928 2058 21 lived live VBN 39928 2058 22 to to TO 39928 2058 23 be be VB 39928 2058 24 capable capable JJ 39928 2058 25 of of IN 39928 2058 26 maintaining maintain VBG 39928 2058 27 the the DT 39928 2058 28 long long JJ 39928 2058 29 process process NN 39928 2058 30 of of IN 39928 2058 31 life life NN 39928 2058 32 - - HYPH 39928 2058 33 development development NN 39928 2058 34 in in IN 39928 2058 35 any any DT 39928 2058 36 of of IN 39928 2058 37 the the DT 39928 2058 38 planets planet NNS 39928 2058 39 they -PRON- PRP 39928 2058 40 may may MD 39928 2058 41 possess possess VB 39928 2058 42 . . . 39928 2059 1 This this DT 39928 2059 2 point point NN 39928 2059 3 will will MD 39928 2059 4 be be VB 39928 2059 5 further further RB 39928 2059 6 developed develop VBN 39928 2059 7 in in IN 39928 2059 8 the the DT 39928 2059 9 next next JJ 39928 2059 10 ( ( -LRB- 39928 2059 11 and and CC 39928 2059 12 concluding conclude VBG 39928 2059 13 ) ) -RRB- 39928 2059 14 chapter chapter NN 39928 2059 15 . . . 39928 2060 1 FOOTNOTES footnote NNS 39928 2060 2 : : : 39928 2060 3 [ [ -LRB- 39928 2060 4 21 21 CD 39928 2060 5 ] ] -RRB- 39928 2060 6 _ _ NNP 39928 2060 7 The the DT 39928 2060 8 Worlds Worlds NNP 39928 2060 9 of of IN 39928 2060 10 Space Space NNP 39928 2060 11 _ _ NNP 39928 2060 12 , , , 39928 2060 13 by by IN 39928 2060 14 J.E. J.E. NNP 39928 2061 1 Gore Gore NNP 39928 2061 2 , , , 39928 2061 3 chapter chapter NN 39928 2061 4 iii iii CD 39928 2061 5 . . . 39928 2062 1 [ [ -LRB- 39928 2062 2 22 22 CD 39928 2062 3 ] ] -RRB- 39928 2062 4 _ _ NNP 39928 2062 5 The the DT 39928 2062 6 Fortnightly Fortnightly NNP 39928 2062 7 Review Review NNP 39928 2062 8 _ _ NNP 39928 2062 9 , , , 39928 2062 10 April April NNP 39928 2062 11 1903 1903 CD 39928 2062 12 , , , 39928 2062 13 p. p. NN 39928 2062 14 60 60 CD 39928 2062 15 . . . 39928 2063 1 CHAPTER chapter NN 39928 2063 2 XVI XVI NNP 39928 2063 3 STABILITY STABILITY NNP 39928 2063 4 OF of IN 39928 2063 5 THE the DT 39928 2063 6 STAR STAR NNP 39928 2063 7 - - HYPH 39928 2063 8 SYSTEM system NN 39928 2063 9 : : : 39928 2063 10 IMPORTANCE importance NN 39928 2063 11 OF of IN 39928 2063 12 OUR our PRP$ 39928 2063 13 CENTRAL central JJ 39928 2063 14 POSITION position NN 39928 2063 15 : : : 39928 2063 16 SUMMARY summary NN 39928 2063 17 AND and CC 39928 2063 18 CONCLUSION conclusion NN 39928 2063 19 One one CD 39928 2063 20 of of IN 39928 2063 21 the the DT 39928 2063 22 greatest great JJS 39928 2063 23 difficulties difficulty NNS 39928 2063 24 with with IN 39928 2063 25 regard regard NN 39928 2063 26 to to IN 39928 2063 27 the the DT 39928 2063 28 vast vast JJ 39928 2063 29 system system NN 39928 2063 30 of of IN 39928 2063 31 stars star NNS 39928 2063 32 around around IN 39928 2063 33 us -PRON- PRP 39928 2063 34 is be VBZ 39928 2063 35 the the DT 39928 2063 36 question question NN 39928 2063 37 of of IN 39928 2063 38 its -PRON- PRP$ 39928 2063 39 permanence permanence NN 39928 2063 40 and and CC 39928 2063 41 stability stability NN 39928 2063 42 , , , 39928 2063 43 if if IN 39928 2063 44 not not RB 39928 2063 45 absolutely absolutely RB 39928 2063 46 and and CC 39928 2063 47 indefinitely indefinitely RB 39928 2063 48 , , , 39928 2063 49 yet yet CC 39928 2063 50 for for IN 39928 2063 51 periods period NNS 39928 2063 52 sufficiently sufficiently RB 39928 2063 53 long long JJ 39928 2063 54 to to TO 39928 2063 55 allow allow VB 39928 2063 56 for for IN 39928 2063 57 the the DT 39928 2063 58 many many JJ 39928 2063 59 millions million NNS 39928 2063 60 of of IN 39928 2063 61 years year NNS 39928 2063 62 that that WDT 39928 2063 63 have have VBP 39928 2063 64 certainly certainly RB 39928 2063 65 been be VBN 39928 2063 66 required require VBN 39928 2063 67 for for IN 39928 2063 68 our -PRON- PRP$ 39928 2063 69 terrestrial terrestrial JJ 39928 2063 70 life life NN 39928 2063 71 - - HYPH 39928 2063 72 development development NN 39928 2063 73 . . . 39928 2064 1 This this DT 39928 2064 2 period period NN 39928 2064 3 , , , 39928 2064 4 in in IN 39928 2064 5 the the DT 39928 2064 6 case case NN 39928 2064 7 of of IN 39928 2064 8 the the DT 39928 2064 9 earth earth NN 39928 2064 10 , , , 39928 2064 11 as as IN 39928 2064 12 I -PRON- PRP 39928 2064 13 have have VBP 39928 2064 14 sufficiently sufficiently RB 39928 2064 15 shown show VBN 39928 2064 16 , , , 39928 2064 17 has have VBZ 39928 2064 18 been be VBN 39928 2064 19 characterised characterise VBN 39928 2064 20 throughout throughout IN 39928 2064 21 by by IN 39928 2064 22 extreme extreme JJ 39928 2064 23 uniformity uniformity NN 39928 2064 24 , , , 39928 2064 25 while while IN 39928 2064 26 a a DT 39928 2064 27 continuance continuance NN 39928 2064 28 of of IN 39928 2064 29 that that DT 39928 2064 30 uniformity uniformity NN 39928 2064 31 for for IN 39928 2064 32 a a DT 39928 2064 33 few few JJ 39928 2064 34 millions million NNS 39928 2064 35 of of IN 39928 2064 36 years year NNS 39928 2064 37 in in IN 39928 2064 38 the the DT 39928 2064 39 future future NN 39928 2064 40 is be VBZ 39928 2064 41 almost almost RB 39928 2064 42 equally equally RB 39928 2064 43 certain certain JJ 39928 2064 44 . . . 39928 2065 1 But but CC 39928 2065 2 our -PRON- PRP$ 39928 2065 3 mathematical mathematical JJ 39928 2065 4 astronomers astronomer NNS 39928 2065 5 can can MD 39928 2065 6 find find VB 39928 2065 7 no no DT 39928 2065 8 indications indication NNS 39928 2065 9 of of IN 39928 2065 10 such such JJ 39928 2065 11 stability stability NN 39928 2065 12 of of IN 39928 2065 13 the the DT 39928 2065 14 stellar stellar JJ 39928 2065 15 universe universe NN 39928 2065 16 as as IN 39928 2065 17 a a DT 39928 2065 18 whole whole NN 39928 2065 19 , , , 39928 2065 20 if if IN 39928 2065 21 subject subject JJ 39928 2065 22 to to IN 39928 2065 23 the the DT 39928 2065 24 law law NN 39928 2065 25 of of IN 39928 2065 26 gravitation gravitation NN 39928 2065 27 alone alone RB 39928 2065 28 . . . 39928 2066 1 In in IN 39928 2066 2 reply reply NN 39928 2066 3 to to IN 39928 2066 4 some some DT 39928 2066 5 questions question NNS 39928 2066 6 on on IN 39928 2066 7 this this DT 39928 2066 8 point point NN 39928 2066 9 , , , 39928 2066 10 my -PRON- PRP$ 39928 2066 11 friend friend NN 39928 2066 12 Professor Professor NNP 39928 2066 13 George George NNP 39928 2066 14 Darwin Darwin NNP 39928 2066 15 writes write VBZ 39928 2066 16 as as IN 39928 2066 17 follows:--'A follows:--'A NNP 39928 2066 18 symmetrical symmetrical JJ 39928 2066 19 annular annular NN 39928 2066 20 system system NN 39928 2066 21 of of IN 39928 2066 22 bodies body NNS 39928 2066 23 might may MD 39928 2066 24 revolve revolve VB 39928 2066 25 in in IN 39928 2066 26 a a DT 39928 2066 27 circle circle NN 39928 2066 28 with with IN 39928 2066 29 or or CC 39928 2066 30 without without IN 39928 2066 31 a a DT 39928 2066 32 central central JJ 39928 2066 33 body body NN 39928 2066 34 . . . 39928 2067 1 Such such PDT 39928 2067 2 a a DT 39928 2067 3 system system NN 39928 2067 4 would would MD 39928 2067 5 be be VB 39928 2067 6 unstable unstable JJ 39928 2067 7 . . . 39928 2068 1 If if IN 39928 2068 2 the the DT 39928 2068 3 bodies body NNS 39928 2068 4 are be VBP 39928 2068 5 of of IN 39928 2068 6 unequal unequal JJ 39928 2068 7 masses masse NNS 39928 2068 8 and and CC 39928 2068 9 not not RB 39928 2068 10 symmetrically symmetrically RB 39928 2068 11 disposed dispose VBN 39928 2068 12 , , , 39928 2068 13 the the DT 39928 2068 14 break break NN 39928 2068 15 - - HYPH 39928 2068 16 up up NN 39928 2068 17 of of IN 39928 2068 18 the the DT 39928 2068 19 system system NN 39928 2068 20 would would MD 39928 2068 21 probably probably RB 39928 2068 22 be be VB 39928 2068 23 more more RBR 39928 2068 24 rapid rapid JJ 39928 2068 25 than than IN 39928 2068 26 in in IN 39928 2068 27 the the DT 39928 2068 28 ideal ideal JJ 39928 2068 29 case case NN 39928 2068 30 of of IN 39928 2068 31 symmetry symmetry NN 39928 2068 32 . . . 39928 2068 33 ' ' '' 39928 2069 1 This this DT 39928 2069 2 would would MD 39928 2069 3 imply imply VB 39928 2069 4 that that IN 39928 2069 5 the the DT 39928 2069 6 great great JJ 39928 2069 7 annular annular NN 39928 2069 8 system system NN 39928 2069 9 of of IN 39928 2069 10 the the DT 39928 2069 11 Milky Milky NNP 39928 2069 12 Way Way NNP 39928 2069 13 is be VBZ 39928 2069 14 unstable unstable JJ 39928 2069 15 . . . 39928 2070 1 But but CC 39928 2070 2 if if IN 39928 2070 3 so so RB 39928 2070 4 , , , 39928 2070 5 its -PRON- PRP$ 39928 2070 6 existence existence NN 39928 2070 7 at at RB 39928 2070 8 all all RB 39928 2070 9 is be VBZ 39928 2070 10 a a DT 39928 2070 11 greater great JJR 39928 2070 12 mystery mystery NN 39928 2070 13 than than IN 39928 2070 14 ever ever RB 39928 2070 15 . . . 39928 2071 1 Although although IN 39928 2071 2 in in IN 39928 2071 3 detail detail NN 39928 2071 4 its -PRON- PRP$ 39928 2071 5 structure structure NN 39928 2071 6 is be VBZ 39928 2071 7 very very RB 39928 2071 8 irregular irregular JJ 39928 2071 9 , , , 39928 2071 10 as as IN 39928 2071 11 a a DT 39928 2071 12 whole whole NN 39928 2071 13 it -PRON- PRP 39928 2071 14 is be VBZ 39928 2071 15 wonderfully wonderfully RB 39928 2071 16 symmetrical symmetrical JJ 39928 2071 17 ; ; : 39928 2071 18 and and CC 39928 2071 19 it -PRON- PRP 39928 2071 20 seems seem VBZ 39928 2071 21 quite quite RB 39928 2071 22 impossible impossible JJ 39928 2071 23 that that IN 39928 2071 24 its -PRON- PRP$ 39928 2071 25 generally generally RB 39928 2071 26 circular circular JJ 39928 2071 27 ring ring NN 39928 2071 28 - - HYPH 39928 2071 29 like like JJ 39928 2071 30 form form NN 39928 2071 31 can can MD 39928 2071 32 be be VB 39928 2071 33 the the DT 39928 2071 34 result result NN 39928 2071 35 of of IN 39928 2071 36 the the DT 39928 2071 37 chance chance NN 39928 2071 38 aggregation aggregation NN 39928 2071 39 of of IN 39928 2071 40 matter matter NN 39928 2071 41 from from IN 39928 2071 42 any any DT 39928 2071 43 pre pre JJ 39928 2071 44 - - JJ 39928 2071 45 existing existing JJ 39928 2071 46 different different JJ 39928 2071 47 form form NN 39928 2071 48 . . . 39928 2072 1 Star Star NNP 39928 2072 2 - - HYPH 39928 2072 3 clusters cluster NNS 39928 2072 4 are be VBP 39928 2072 5 equally equally RB 39928 2072 6 unstable unstable JJ 39928 2072 7 , , , 39928 2072 8 or or CC 39928 2072 9 , , , 39928 2072 10 rather rather RB 39928 2072 11 , , , 39928 2072 12 nothing nothing NN 39928 2072 13 is be VBZ 39928 2072 14 known know VBN 39928 2072 15 or or CC 39928 2072 16 can can MD 39928 2072 17 be be VB 39928 2072 18 predicated predicate VBN 39928 2072 19 about about IN 39928 2072 20 their -PRON- PRP$ 39928 2072 21 stability stability NN 39928 2072 22 or or CC 39928 2072 23 instability instability NN 39928 2072 24 , , , 39928 2072 25 according accord VBG 39928 2072 26 to to IN 39928 2072 27 Professors Professors NNPS 39928 2072 28 Newcomb Newcomb NNP 39928 2072 29 and and CC 39928 2072 30 Darwin Darwin NNP 39928 2072 31 . . . 39928 2073 1 Mr. Mr. NNP 39928 2073 2 E.T. E.T. NNP 39928 2074 1 Whittaker Whittaker NNP 39928 2074 2 ( ( -LRB- 39928 2074 3 Secretary Secretary NNP 39928 2074 4 to to IN 39928 2074 5 the the DT 39928 2074 6 Royal Royal NNP 39928 2074 7 Astronomical Astronomical NNP 39928 2074 8 Society Society NNP 39928 2074 9 ) ) -RRB- 39928 2074 10 , , , 39928 2074 11 to to IN 39928 2074 12 whom whom WP 39928 2074 13 Professor Professor NNP 39928 2074 14 G. G. NNP 39928 2074 15 Darwin Darwin NNP 39928 2074 16 sent send VBD 39928 2074 17 my -PRON- PRP$ 39928 2074 18 questions question NNS 39928 2074 19 , , , 39928 2074 20 writes:--'I writes:--'I NNP 39928 2074 21 doubt doubt NN 39928 2074 22 whether whether IN 39928 2074 23 the the DT 39928 2074 24 principal principal JJ 39928 2074 25 phenomena phenomenon NNS 39928 2074 26 of of IN 39928 2074 27 the the DT 39928 2074 28 stellar stellar JJ 39928 2074 29 universe universe NN 39928 2074 30 are be VBP 39928 2074 31 consequences consequence NNS 39928 2074 32 of of IN 39928 2074 33 the the DT 39928 2074 34 law law NN 39928 2074 35 of of IN 39928 2074 36 gravitation gravitation NN 39928 2074 37 at at RB 39928 2074 38 all all RB 39928 2074 39 . . . 39928 2075 1 I -PRON- PRP 39928 2075 2 have have VBP 39928 2075 3 been be VBN 39928 2075 4 working work VBG 39928 2075 5 myself -PRON- PRP 39928 2075 6 at at IN 39928 2075 7 spiral spiral JJ 39928 2075 8 nebulæ nebulæ NN 39928 2075 9 , , , 39928 2075 10 and and CC 39928 2075 11 have have VBP 39928 2075 12 got get VBN 39928 2075 13 a a DT 39928 2075 14 first first JJ 39928 2075 15 approximation approximation NN 39928 2075 16 to to IN 39928 2075 17 an an DT 39928 2075 18 explanation explanation NN 39928 2075 19 -- -- : 39928 2075 20 but but CC 39928 2075 21 it -PRON- PRP 39928 2075 22 is be VBZ 39928 2075 23 electro electro NNP 39928 2075 24 - - HYPH 39928 2075 25 dynamical dynamical JJ 39928 2075 26 and and CC 39928 2075 27 not not RB 39928 2075 28 gravitational gravitational JJ 39928 2075 29 . . . 39928 2076 1 In in IN 39928 2076 2 fact fact NN 39928 2076 3 , , , 39928 2076 4 it -PRON- PRP 39928 2076 5 may may MD 39928 2076 6 be be VB 39928 2076 7 questioned question VBN 39928 2076 8 whether whether IN 39928 2076 9 , , , 39928 2076 10 for for IN 39928 2076 11 bodies body NNS 39928 2076 12 of of IN 39928 2076 13 such such JJ 39928 2076 14 tremendous tremendous JJ 39928 2076 15 extent extent NN 39928 2076 16 as as IN 39928 2076 17 the the DT 39928 2076 18 Milky Milky NNP 39928 2076 19 Way Way NNP 39928 2076 20 or or CC 39928 2076 21 nebulæ nebulæ NN 39928 2076 22 , , , 39928 2076 23 the the DT 39928 2076 24 effect effect NN 39928 2076 25 which which WDT 39928 2076 26 we -PRON- PRP 39928 2076 27 call call VBP 39928 2076 28 gravitation gravitation NN 39928 2076 29 is be VBZ 39928 2076 30 given give VBN 39928 2076 31 by by IN 39928 2076 32 Newton Newton NNP 39928 2076 33 's 's POS 39928 2076 34 law law NN 39928 2076 35 ; ; : 39928 2076 36 just just RB 39928 2076 37 as as IN 39928 2076 38 the the DT 39928 2076 39 ordinary ordinary JJ 39928 2076 40 formulæ formulæ NN 39928 2076 41 of of IN 39928 2076 42 electrostatic electrostatic JJ 39928 2076 43 attraction attraction NN 39928 2076 44 break break VBP 39928 2076 45 down down RP 39928 2076 46 when when WRB 39928 2076 47 we -PRON- PRP 39928 2076 48 consider consider VBP 39928 2076 49 charges charge NNS 39928 2076 50 moving move VBG 39928 2076 51 with with IN 39928 2076 52 very very RB 39928 2076 53 great great JJ 39928 2076 54 velocities velocity NNS 39928 2076 55 . . . 39928 2076 56 ' ' '' 39928 2077 1 Accepting accept VBG 39928 2077 2 these these DT 39928 2077 3 statements statement NNS 39928 2077 4 and and CC 39928 2077 5 opinions opinion NNS 39928 2077 6 of of IN 39928 2077 7 two two CD 39928 2077 8 mathematicians mathematician NNS 39928 2077 9 who who WP 39928 2077 10 have have VBP 39928 2077 11 given give VBN 39928 2077 12 special special JJ 39928 2077 13 attention attention NN 39928 2077 14 to to IN 39928 2077 15 similar similar JJ 39928 2077 16 problems problem NNS 39928 2077 17 , , , 39928 2077 18 we -PRON- PRP 39928 2077 19 need need VBP 39928 2077 20 not not RB 39928 2077 21 limit limit VB 39928 2077 22 ourselves -PRON- PRP 39928 2077 23 to to IN 39928 2077 24 the the DT 39928 2077 25 laws law NNS 39928 2077 26 of of IN 39928 2077 27 gravitation gravitation NN 39928 2077 28 as as IN 39928 2077 29 having have VBG 39928 2077 30 determined determine VBN 39928 2077 31 the the DT 39928 2077 32 present present JJ 39928 2077 33 form form NN 39928 2077 34 of of IN 39928 2077 35 the the DT 39928 2077 36 stellar stellar JJ 39928 2077 37 universe universe NN 39928 2077 38 ; ; , 39928 2077 39 and and CC 39928 2077 40 this this DT 39928 2077 41 is be VBZ 39928 2077 42 the the DT 39928 2077 43 more more RBR 39928 2077 44 important important JJ 39928 2077 45 because because IN 39928 2077 46 we -PRON- PRP 39928 2077 47 may may MD 39928 2077 48 thus thus RB 39928 2077 49 escape escape VB 39928 2077 50 from from IN 39928 2077 51 a a DT 39928 2077 52 conclusion conclusion NN 39928 2077 53 which which WDT 39928 2077 54 many many JJ 39928 2077 55 astronomers astronomer NNS 39928 2077 56 seem seem VBP 39928 2077 57 to to TO 39928 2077 58 think think VB 39928 2077 59 inevitable inevitable JJ 39928 2077 60 , , , 39928 2077 61 viz viz NN 39928 2077 62 . . . 39928 2078 1 that that IN 39928 2078 2 the the DT 39928 2078 3 observed observe VBN 39928 2078 4 proper proper JJ 39928 2078 5 motions motion NNS 39928 2078 6 of of IN 39928 2078 7 the the DT 39928 2078 8 stars star NNS 39928 2078 9 can can MD 39928 2078 10 not not RB 39928 2078 11 be be VB 39928 2078 12 explained explain VBN 39928 2078 13 by by IN 39928 2078 14 the the DT 39928 2078 15 gravitative gravitative JJ 39928 2078 16 forces force NNS 39928 2078 17 of of IN 39928 2078 18 the the DT 39928 2078 19 system system NN 39928 2078 20 itself -PRON- PRP 39928 2078 21 . . . 39928 2079 1 In in IN 39928 2079 2 chapter chapter NN 39928 2079 3 VIII viii NN 39928 2079 4 . . . 39928 2080 1 of of IN 39928 2080 2 this this DT 39928 2080 3 work work NN 39928 2080 4 I -PRON- PRP 39928 2080 5 have have VBP 39928 2080 6 quoted quote VBN 39928 2080 7 Professor Professor NNP 39928 2080 8 Newcomb Newcomb NNP 39928 2080 9 's 's POS 39928 2080 10 calculation calculation NN 39928 2080 11 as as IN 39928 2080 12 to to IN 39928 2080 13 the the DT 39928 2080 14 effect effect NN 39928 2080 15 of of IN 39928 2080 16 gravitation gravitation NN 39928 2080 17 in in IN 39928 2080 18 a a DT 39928 2080 19 universe universe NN 39928 2080 20 of of IN 39928 2080 21 100 100 CD 39928 2080 22 million million CD 39928 2080 23 stars star NNS 39928 2080 24 , , , 39928 2080 25 each each DT 39928 2080 26 five five CD 39928 2080 27 times time NNS 39928 2080 28 the the DT 39928 2080 29 mass mass NN 39928 2080 30 of of IN 39928 2080 31 our -PRON- PRP$ 39928 2080 32 sun sun NN 39928 2080 33 , , , 39928 2080 34 and and CC 39928 2080 35 spread spread VBD 39928 2080 36 over over IN 39928 2080 37 a a DT 39928 2080 38 sphere sphere NN 39928 2080 39 which which WDT 39928 2080 40 it -PRON- PRP 39928 2080 41 would would MD 39928 2080 42 take take VB 39928 2080 43 light light NN 39928 2080 44 30,000 30,000 CD 39928 2080 45 years year NNS 39928 2080 46 to to TO 39928 2080 47 cross cross VB 39928 2080 48 ; ; , 39928 2080 49 then then RB 39928 2080 50 , , , 39928 2080 51 a a DT 39928 2080 52 body body NN 39928 2080 53 falling fall VBG 39928 2080 54 from from IN 39928 2080 55 its -PRON- PRP$ 39928 2080 56 outer outer JJ 39928 2080 57 limits limit NNS 39928 2080 58 to to IN 39928 2080 59 the the DT 39928 2080 60 centre centre NN 39928 2080 61 could could MD 39928 2080 62 at at IN 39928 2080 63 the the DT 39928 2080 64 utmost utmost JJ 39928 2080 65 acquire acquire VBP 39928 2080 66 a a DT 39928 2080 67 velocity velocity NN 39928 2080 68 of of IN 39928 2080 69 twenty twenty CD 39928 2080 70 - - HYPH 39928 2080 71 five five CD 39928 2080 72 miles mile NNS 39928 2080 73 a a DT 39928 2080 74 second second NN 39928 2080 75 ; ; : 39928 2080 76 and and CC 39928 2080 77 therefore therefore RB 39928 2080 78 , , , 39928 2080 79 any any DT 39928 2080 80 body body NN 39928 2080 81 in in IN 39928 2080 82 any any DT 39928 2080 83 part part NN 39928 2080 84 of of IN 39928 2080 85 such such PDT 39928 2080 86 a a DT 39928 2080 87 universe universe NN 39928 2080 88 having have VBG 39928 2080 89 a a DT 39928 2080 90 greater great JJR 39928 2080 91 velocity velocity NN 39928 2080 92 would would MD 39928 2080 93 pass pass VB 39928 2080 94 away away RB 39928 2080 95 into into IN 39928 2080 96 infinite infinite JJ 39928 2080 97 space space NN 39928 2080 98 . . . 39928 2081 1 Now now RB 39928 2081 2 , , , 39928 2081 3 as as IN 39928 2081 4 several several JJ 39928 2081 5 stars star NNS 39928 2081 6 have have VBP 39928 2081 7 , , , 39928 2081 8 it -PRON- PRP 39928 2081 9 is be VBZ 39928 2081 10 believed believe VBN 39928 2081 11 , , , 39928 2081 12 much much RB 39928 2081 13 more more JJR 39928 2081 14 than than IN 39928 2081 15 this this DT 39928 2081 16 velocity velocity NN 39928 2081 17 , , , 39928 2081 18 it -PRON- PRP 39928 2081 19 follows follow VBZ 39928 2081 20 not not RB 39928 2081 21 only only RB 39928 2081 22 that that IN 39928 2081 23 they -PRON- PRP 39928 2081 24 will will MD 39928 2081 25 inevitably inevitably RB 39928 2081 26 escape escape VB 39928 2081 27 from from IN 39928 2081 28 our -PRON- PRP$ 39928 2081 29 universe universe NN 39928 2081 30 , , , 39928 2081 31 but but CC 39928 2081 32 that that IN 39928 2081 33 they -PRON- PRP 39928 2081 34 do do VBP 39928 2081 35 not not RB 39928 2081 36 belong belong VB 39928 2081 37 to to IN 39928 2081 38 it -PRON- PRP 39928 2081 39 , , , 39928 2081 40 as as IN 39928 2081 41 their -PRON- PRP$ 39928 2081 42 great great JJ 39928 2081 43 velocity velocity NN 39928 2081 44 must must MD 39928 2081 45 have have VB 39928 2081 46 been be VBN 39928 2081 47 acquired acquire VBN 39928 2081 48 elsewhere elsewhere RB 39928 2081 49 . . . 39928 2082 1 This this DT 39928 2082 2 seems seem VBZ 39928 2082 3 to to TO 39928 2082 4 have have VB 39928 2082 5 been be VBN 39928 2082 6 the the DT 39928 2082 7 idea idea NN 39928 2082 8 of of IN 39928 2082 9 the the DT 39928 2082 10 astronomer astronomer NN 39928 2082 11 who who WP 39928 2082 12 stated state VBD 39928 2082 13 that that IN 39928 2082 14 , , , 39928 2082 15 even even RB 39928 2082 16 at at IN 39928 2082 17 the the DT 39928 2082 18 very very RB 39928 2082 19 moderate moderate JJ 39928 2082 20 speed speed NN 39928 2082 21 of of IN 39928 2082 22 our -PRON- PRP$ 39928 2082 23 sun sun NN 39928 2082 24 , , , 39928 2082 25 we -PRON- PRP 39928 2082 26 should should MD 39928 2082 27 in in IN 39928 2082 28 five five CD 39928 2082 29 million million CD 39928 2082 30 years year NNS 39928 2082 31 be be VB 39928 2082 32 deep deep JJ 39928 2082 33 in in IN 39928 2082 34 the the DT 39928 2082 35 actual actual JJ 39928 2082 36 stream stream NN 39928 2082 37 of of IN 39928 2082 38 the the DT 39928 2082 39 Milky Milky NNP 39928 2082 40 Way Way NNP 39928 2082 41 . . . 39928 2083 1 To to IN 39928 2083 2 this this DT 39928 2083 3 I -PRON- PRP 39928 2083 4 have have VBP 39928 2083 5 already already RB 39928 2083 6 sufficiently sufficiently RB 39928 2083 7 replied reply VBN 39928 2083 8 ; ; : 39928 2083 9 but but CC 39928 2083 10 I -PRON- PRP 39928 2083 11 now now RB 39928 2083 12 wish wish VBP 39928 2083 13 to to TO 39928 2083 14 bring bring VB 39928 2083 15 before before RB 39928 2083 16 my -PRON- PRP$ 39928 2083 17 readers reader NNS 39928 2083 18 an an DT 39928 2083 19 excellent excellent JJ 39928 2083 20 illustration illustration NN 39928 2083 21 of of IN 39928 2083 22 the the DT 39928 2083 23 importance importance NN 39928 2083 24 of of IN 39928 2083 25 the the DT 39928 2083 26 late late JJ 39928 2083 27 Professor Professor NNP 39928 2083 28 Huxley Huxley NNP 39928 2083 29 's 's POS 39928 2083 30 remark remark NN 39928 2083 31 , , , 39928 2083 32 that that IN 39928 2083 33 the the DT 39928 2083 34 results result NNS 39928 2083 35 you -PRON- PRP 39928 2083 36 got get VBD 39928 2083 37 out out IN 39928 2083 38 of of IN 39928 2083 39 the the DT 39928 2083 40 ' ' `` 39928 2083 41 mathematical mathematical JJ 39928 2083 42 mill mill NN 39928 2083 43 ' ' '' 39928 2083 44 depend depend VBP 39928 2083 45 entirely entirely RB 39928 2083 46 on on IN 39928 2083 47 what what WP 39928 2083 48 you -PRON- PRP 39928 2083 49 put put VBP 39928 2083 50 into into IN 39928 2083 51 it -PRON- PRP 39928 2083 52 . . . 39928 2084 1 In in IN 39928 2084 2 the the DT 39928 2084 3 _ _ NNP 39928 2084 4 Philosophical Philosophical NNP 39928 2084 5 Magazine Magazine NNP 39928 2084 6 _ _ NNP 39928 2084 7 ( ( -LRB- 39928 2084 8 January January NNP 39928 2084 9 1902 1902 CD 39928 2084 10 ) ) -RRB- 39928 2084 11 is be VBZ 39928 2084 12 a a DT 39928 2084 13 remarkable remarkable JJ 39928 2084 14 article article NN 39928 2084 15 by by IN 39928 2084 16 Lord Lord NNP 39928 2084 17 Kelvin Kelvin NNP 39928 2084 18 , , , 39928 2084 19 in in IN 39928 2084 20 which which WDT 39928 2084 21 he -PRON- PRP 39928 2084 22 discusses discuss VBZ 39928 2084 23 the the DT 39928 2084 24 very very RB 39928 2084 25 same same JJ 39928 2084 26 problem problem NN 39928 2084 27 as as IN 39928 2084 28 that that DT 39928 2084 29 which which WDT 39928 2084 30 Professor Professor NNP 39928 2084 31 Newcomb Newcomb NNP 39928 2084 32 had have VBD 39928 2084 33 discussed discuss VBN 39928 2084 34 at at IN 39928 2084 35 a a DT 39928 2084 36 much much RB 39928 2084 37 earlier early JJR 39928 2084 38 date date NN 39928 2084 39 , , , 39928 2084 40 but but CC 39928 2084 41 , , , 39928 2084 42 starting start VBG 39928 2084 43 from from IN 39928 2084 44 different different JJ 39928 2084 45 assumptions assumption NNS 39928 2084 46 , , , 39928 2084 47 equally equally RB 39928 2084 48 based base VBN 39928 2084 49 on on IN 39928 2084 50 ascertained ascertained JJ 39928 2084 51 facts fact NNS 39928 2084 52 and and CC 39928 2084 53 probabilities probability NNS 39928 2084 54 deduced deduce VBN 39928 2084 55 from from IN 39928 2084 56 them -PRON- PRP 39928 2084 57 , , , 39928 2084 58 brings bring VBZ 39928 2084 59 out out RP 39928 2084 60 a a DT 39928 2084 61 very very RB 39928 2084 62 different different JJ 39928 2084 63 result result NN 39928 2084 64 . . . 39928 2085 1 Lord Lord NNP 39928 2085 2 Kelvin Kelvin NNP 39928 2085 3 postulates postulate VBZ 39928 2085 4 a a DT 39928 2085 5 sphere sphere NN 39928 2085 6 of of IN 39928 2085 7 such such PDT 39928 2085 8 a a DT 39928 2085 9 radius radius NN 39928 2085 10 that that IN 39928 2085 11 a a DT 39928 2085 12 star star NN 39928 2085 13 at at IN 39928 2085 14 its -PRON- PRP$ 39928 2085 15 confines confine NNS 39928 2085 16 would would MD 39928 2085 17 have have VB 39928 2085 18 a a DT 39928 2085 19 parallax parallax NN 39928 2085 20 of of IN 39928 2085 21 one one CD 39928 2085 22 - - HYPH 39928 2085 23 thousandth thousandth NN 39928 2085 24 part part NN 39928 2085 25 of of IN 39928 2085 26 a a DT 39928 2085 27 second second JJ 39928 2085 28 ( ( -LRB- 39928 2085 29 0".001 0".001 NN 39928 2085 30 ) ) -RRB- 39928 2085 31 , , , 39928 2085 32 equivalent equivalent JJ 39928 2085 33 to to IN 39928 2085 34 3215 3215 CD 39928 2085 35 light light NN 39928 2085 36 - - HYPH 39928 2085 37 years year NNS 39928 2085 38 . . . 39928 2086 1 Uniformly uniformly RB 39928 2086 2 distributed distribute VBN 39928 2086 3 through through IN 39928 2086 4 this this DT 39928 2086 5 sphere sphere NN 39928 2086 6 there there EX 39928 2086 7 is be VBZ 39928 2086 8 matter matter NN 39928 2086 9 equal equal JJ 39928 2086 10 in in IN 39928 2086 11 mass mass NN 39928 2086 12 to to IN 39928 2086 13 1000 1000 CD 39928 2086 14 million million CD 39928 2086 15 suns sun NNS 39928 2086 16 like like IN 39928 2086 17 ours our NNS 39928 2086 18 . . . 39928 2087 1 If if IN 39928 2087 2 this this DT 39928 2087 3 matter matter NN 39928 2087 4 becomes become VBZ 39928 2087 5 subject subject JJ 39928 2087 6 to to IN 39928 2087 7 gravitation gravitation NN 39928 2087 8 , , , 39928 2087 9 it -PRON- PRP 39928 2087 10 all all DT 39928 2087 11 begins begin VBZ 39928 2087 12 to to TO 39928 2087 13 move move VB 39928 2087 14 at at IN 39928 2087 15 first first RB 39928 2087 16 with with IN 39928 2087 17 almost almost RB 39928 2087 18 infinite infinite JJ 39928 2087 19 slowness slowness NN 39928 2087 20 , , , 39928 2087 21 especially especially RB 39928 2087 22 near near IN 39928 2087 23 its -PRON- PRP$ 39928 2087 24 centre centre NN 39928 2087 25 ; ; : 39928 2087 26 but but CC 39928 2087 27 nevertheless nevertheless RB 39928 2087 28 , , , 39928 2087 29 in in IN 39928 2087 30 twenty twenty CD 39928 2087 31 - - HYPH 39928 2087 32 five five CD 39928 2087 33 million million CD 39928 2087 34 years year NNS 39928 2087 35 many many JJ 39928 2087 36 of of IN 39928 2087 37 these these DT 39928 2087 38 suns sun NNS 39928 2087 39 would would MD 39928 2087 40 have have VB 39928 2087 41 acquired acquire VBN 39928 2087 42 velocities velocity NNS 39928 2087 43 of of IN 39928 2087 44 from from IN 39928 2087 45 twelve twelve CD 39928 2087 46 to to TO 39928 2087 47 twenty twenty CD 39928 2087 48 miles mile NNS 39928 2087 49 a a DT 39928 2087 50 second second JJ 39928 2087 51 , , , 39928 2087 52 while while IN 39928 2087 53 some some DT 39928 2087 54 would would MD 39928 2087 55 have have VB 39928 2087 56 less less JJR 39928 2087 57 and and CC 39928 2087 58 some some DT 39928 2087 59 probably probably RB 39928 2087 60 more more JJR 39928 2087 61 than than IN 39928 2087 62 seventy seventy CD 39928 2087 63 miles mile NNS 39928 2087 64 a a DT 39928 2087 65 second second NN 39928 2087 66 . . . 39928 2088 1 Now now RB 39928 2088 2 such such JJ 39928 2088 3 velocities velocity NNS 39928 2088 4 as as IN 39928 2088 5 these these DT 39928 2088 6 agree agree VBP 39928 2088 7 generally generally RB 39928 2088 8 with with IN 39928 2088 9 the the DT 39928 2088 10 measured measure VBN 39928 2088 11 velocities velocity NNS 39928 2088 12 of of IN 39928 2088 13 the the DT 39928 2088 14 stars star NNS 39928 2088 15 , , , 39928 2088 16 hence hence RB 39928 2088 17 Lord Lord NNP 39928 2088 18 Kelvin Kelvin NNP 39928 2088 19 thinks think VBZ 39928 2088 20 there there EX 39928 2088 21 may may MD 39928 2088 22 be be VB 39928 2088 23 as as RB 39928 2088 24 much much JJ 39928 2088 25 matter matter NN 39928 2088 26 as as IN 39928 2088 27 1000 1000 CD 39928 2088 28 million million CD 39928 2088 29 suns sun NNS 39928 2088 30 within within IN 39928 2088 31 the the DT 39928 2088 32 above above RB 39928 2088 33 - - HYPH 39928 2088 34 named name VBN 39928 2088 35 distance distance NN 39928 2088 36 . . . 39928 2089 1 He -PRON- PRP 39928 2089 2 then then RB 39928 2089 3 states state VBZ 39928 2089 4 that that IN 39928 2089 5 if if IN 39928 2089 6 we -PRON- PRP 39928 2089 7 suppose suppose VBP 39928 2089 8 there there RB 39928 2089 9 to to TO 39928 2089 10 be be VB 39928 2089 11 10,000 10,000 CD 39928 2089 12 million million CD 39928 2089 13 suns sun NNS 39928 2089 14 within within IN 39928 2089 15 the the DT 39928 2089 16 same same JJ 39928 2089 17 sphere sphere NN 39928 2089 18 , , , 39928 2089 19 velocities velocity NNS 39928 2089 20 would would MD 39928 2089 21 be be VB 39928 2089 22 produced produce VBN 39928 2089 23 very very RB 39928 2089 24 much much RB 39928 2089 25 greater great JJR 39928 2089 26 than than IN 39928 2089 27 the the DT 39928 2089 28 known know VBN 39928 2089 29 star star NN 39928 2089 30 - - HYPH 39928 2089 31 velocities velocity NNS 39928 2089 32 ; ; : 39928 2089 33 hence hence RB 39928 2089 34 it -PRON- PRP 39928 2089 35 is be VBZ 39928 2089 36 probable probable JJ 39928 2089 37 that that IN 39928 2089 38 there there EX 39928 2089 39 is be VBZ 39928 2089 40 very very RB 39928 2089 41 much much RB 39928 2089 42 less less JJR 39928 2089 43 matter matter NN 39928 2089 44 than than IN 39928 2089 45 10,000 10,000 CD 39928 2089 46 million million CD 39928 2089 47 times time NNS 39928 2089 48 the the DT 39928 2089 49 sun sun NN 39928 2089 50 's 's POS 39928 2089 51 mass mass NN 39928 2089 52 . . . 39928 2090 1 He -PRON- PRP 39928 2090 2 also also RB 39928 2090 3 states state VBZ 39928 2090 4 that that IN 39928 2090 5 if if IN 39928 2090 6 the the DT 39928 2090 7 matter matter NN 39928 2090 8 were be VBD 39928 2090 9 not not RB 39928 2090 10 uniformly uniformly RB 39928 2090 11 distributed distribute VBN 39928 2090 12 within within IN 39928 2090 13 the the DT 39928 2090 14 sphere sphere NN 39928 2090 15 , , , 39928 2090 16 then then RB 39928 2090 17 , , , 39928 2090 18 whatever whatever WDT 39928 2090 19 was be VBD 39928 2090 20 the the DT 39928 2090 21 irregularity irregularity NN 39928 2090 22 , , , 39928 2090 23 the the DT 39928 2090 24 acquired acquire VBN 39928 2090 25 motions motion NNS 39928 2090 26 would would MD 39928 2090 27 be be VB 39928 2090 28 greater great JJR 39928 2090 29 ; ; : 39928 2090 30 again again RB 39928 2090 31 indicating indicate VBG 39928 2090 32 that that IN 39928 2090 33 the the DT 39928 2090 34 1000 1000 CD 39928 2090 35 million million CD 39928 2090 36 suns suns NNPS 39928 2090 37 would would MD 39928 2090 38 be be VB 39928 2090 39 ample ample JJ 39928 2090 40 to to TO 39928 2090 41 produce produce VB 39928 2090 42 the the DT 39928 2090 43 observed observed JJ 39928 2090 44 effects effect NNS 39928 2090 45 of of IN 39928 2090 46 stellar stellar JJ 39928 2090 47 motion motion NN 39928 2090 48 . . . 39928 2091 1 He -PRON- PRP 39928 2091 2 then then RB 39928 2091 3 calculates calculate VBZ 39928 2091 4 the the DT 39928 2091 5 average average JJ 39928 2091 6 distance distance NN 39928 2091 7 apart apart RB 39928 2091 8 of of IN 39928 2091 9 each each DT 39928 2091 10 of of IN 39928 2091 11 the the DT 39928 2091 12 1000 1000 CD 39928 2091 13 million million CD 39928 2091 14 stars star NNS 39928 2091 15 , , , 39928 2091 16 which which WDT 39928 2091 17 he -PRON- PRP 39928 2091 18 finds find VBZ 39928 2091 19 to to TO 39928 2091 20 be be VB 39928 2091 21 about about IN 39928 2091 22 300 300 CD 39928 2091 23 millions million NNS 39928 2091 24 of of IN 39928 2091 25 millions million NNS 39928 2091 26 of of IN 39928 2091 27 miles mile NNS 39928 2091 28 . . . 39928 2092 1 Now now RB 39928 2092 2 the the DT 39928 2092 3 nearest near JJS 39928 2092 4 star star NN 39928 2092 5 to to IN 39928 2092 6 our -PRON- PRP$ 39928 2092 7 sun sun NN 39928 2092 8 is be VBZ 39928 2092 9 about about RB 39928 2092 10 twenty twenty CD 39928 2092 11 - - HYPH 39928 2092 12 six six CD 39928 2092 13 million million CD 39928 2092 14 million million CD 39928 2092 15 of of IN 39928 2092 16 miles mile NNS 39928 2092 17 distant distant JJ 39928 2092 18 , , , 39928 2092 19 and and CC 39928 2092 20 , , , 39928 2092 21 as as IN 39928 2092 22 the the DT 39928 2092 23 evidence evidence NN 39928 2092 24 shows show VBZ 39928 2092 25 , , , 39928 2092 26 is be VBZ 39928 2092 27 situated situate VBN 39928 2092 28 in in IN 39928 2092 29 the the DT 39928 2092 30 denser denser NN 39928 2092 31 part part NN 39928 2092 32 of of IN 39928 2092 33 the the DT 39928 2092 34 solar solar JJ 39928 2092 35 cluster cluster NN 39928 2092 36 . . . 39928 2093 1 This this DT 39928 2093 2 gives give VBZ 39928 2093 3 ample ample JJ 39928 2093 4 allowance allowance NN 39928 2093 5 for for IN 39928 2093 6 the the DT 39928 2093 7 comparative comparative JJ 39928 2093 8 emptiness emptiness NN 39928 2093 9 of of IN 39928 2093 10 the the DT 39928 2093 11 space space NN 39928 2093 12 between between IN 39928 2093 13 our -PRON- PRP$ 39928 2093 14 cluster cluster NN 39928 2093 15 and and CC 39928 2093 16 the the DT 39928 2093 17 Milky Milky NNP 39928 2093 18 Way Way NNP 39928 2093 19 , , , 39928 2093 20 as as RB 39928 2093 21 well well RB 39928 2093 22 as as IN 39928 2093 23 of of IN 39928 2093 24 the the DT 39928 2093 25 whole whole JJ 39928 2093 26 region region NN 39928 2093 27 towards towards IN 39928 2093 28 the the DT 39928 2093 29 poles pole NNS 39928 2093 30 of of IN 39928 2093 31 the the DT 39928 2093 32 Milky Milky NNP 39928 2093 33 Way Way NNP 39928 2093 34 ( ( -LRB- 39928 2093 35 as as IN 39928 2093 36 shown show VBN 39928 2093 37 by by IN 39928 2093 38 the the DT 39928 2093 39 diagrams diagram NNS 39928 2093 40 in in IN 39928 2093 41 chapter chapter NN 39928 2093 42 IV IV NNP 39928 2093 43 . . . 39928 2094 1 ) ) -RRB- 39928 2094 2 , , , 39928 2094 3 while while IN 39928 2094 4 the the DT 39928 2094 5 comparative comparative JJ 39928 2094 6 density density NN 39928 2094 7 of of IN 39928 2094 8 extensive extensive JJ 39928 2094 9 portions portion NNS 39928 2094 10 of of IN 39928 2094 11 the the DT 39928 2094 12 Galaxy Galaxy NNP 39928 2094 13 itself -PRON- PRP 39928 2094 14 may may MD 39928 2094 15 serve serve VB 39928 2094 16 to to TO 39928 2094 17 make make VB 39928 2094 18 up up RP 39928 2094 19 the the DT 39928 2094 20 average average NN 39928 2094 21 . . . 39928 2095 1 Now now RB 39928 2095 2 , , , 39928 2095 3 previous previous JJ 39928 2095 4 writers writer NNS 39928 2095 5 have have VBP 39928 2095 6 come come VBN 39928 2095 7 to to IN 39928 2095 8 a a DT 39928 2095 9 different different JJ 39928 2095 10 conclusion conclusion NN 39928 2095 11 from from IN 39928 2095 12 the the DT 39928 2095 13 same same JJ 39928 2095 14 general general JJ 39928 2095 15 line line NN 39928 2095 16 of of IN 39928 2095 17 argument argument NN 39928 2095 18 , , , 39928 2095 19 because because IN 39928 2095 20 they -PRON- PRP 39928 2095 21 have have VBP 39928 2095 22 started start VBN 39928 2095 23 with with IN 39928 2095 24 different different JJ 39928 2095 25 assumptions assumption NNS 39928 2095 26 . . . 39928 2096 1 Professor Professor NNP 39928 2096 2 Newcomb Newcomb NNP 39928 2096 3 , , , 39928 2096 4 whose whose WP$ 39928 2096 5 statement statement NN 39928 2096 6 made make VBD 39928 2096 7 some some DT 39928 2096 8 years year NNS 39928 2096 9 back back RB 39928 2096 10 is be VBZ 39928 2096 11 usually usually RB 39928 2096 12 followed follow VBN 39928 2096 13 , , , 39928 2096 14 assumed assume VBD 39928 2096 15 100 100 CD 39928 2096 16 million million CD 39928 2096 17 stars star NNS 39928 2096 18 each each DT 39928 2096 19 five five CD 39928 2096 20 times time NNS 39928 2096 21 as as RB 39928 2096 22 large large JJ 39928 2096 23 as as IN 39928 2096 24 our -PRON- PRP$ 39928 2096 25 sun sun NN 39928 2096 26 , , , 39928 2096 27 equal equal JJ 39928 2096 28 to to IN 39928 2096 29 500 500 CD 39928 2096 30 million million CD 39928 2096 31 suns sun NNS 39928 2096 32 in in RB 39928 2096 33 all all DT 39928 2096 34 , , , 39928 2096 35 and and CC 39928 2096 36 he -PRON- PRP 39928 2096 37 distributed distribute VBD 39928 2096 38 them -PRON- PRP 39928 2096 39 equally equally RB 39928 2096 40 throughout throughout IN 39928 2096 41 a a DT 39928 2096 42 sphere sphere RB 39928 2096 43 30,000 30,000 CD 39928 2096 44 light light NN 39928 2096 45 - - HYPH 39928 2096 46 years year NNS 39928 2096 47 in in IN 39928 2096 48 diameter diameter NN 39928 2096 49 . . . 39928 2097 1 Thus thus RB 39928 2097 2 he -PRON- PRP 39928 2097 3 has have VBZ 39928 2097 4 half half PDT 39928 2097 5 the the DT 39928 2097 6 amount amount NN 39928 2097 7 of of IN 39928 2097 8 matter matter NN 39928 2097 9 assumed assume VBN 39928 2097 10 by by IN 39928 2097 11 Lord Lord NNP 39928 2097 12 Kelvin Kelvin NNP 39928 2097 13 , , , 39928 2097 14 but but CC 39928 2097 15 nearly nearly RB 39928 2097 16 five five CD 39928 2097 17 times time NNS 39928 2097 18 the the DT 39928 2097 19 extent extent NN 39928 2097 20 , , , 39928 2097 21 the the DT 39928 2097 22 result result NN 39928 2097 23 being be VBG 39928 2097 24 that that IN 39928 2097 25 gravity gravity NN 39928 2097 26 could could MD 39928 2097 27 only only RB 39928 2097 28 produce produce VB 39928 2097 29 a a DT 39928 2097 30 maximum maximum JJ 39928 2097 31 speed speed NN 39928 2097 32 of of IN 39928 2097 33 twenty twenty CD 39928 2097 34 - - HYPH 39928 2097 35 five five CD 39928 2097 36 miles mile NNS 39928 2097 37 a a DT 39928 2097 38 second second NN 39928 2097 39 ; ; : 39928 2097 40 whereas whereas IN 39928 2097 41 on on IN 39928 2097 42 Lord Lord NNP 39928 2097 43 Kelvin Kelvin NNP 39928 2097 44 's 's POS 39928 2097 45 assumption assumption NN 39928 2097 46 a a DT 39928 2097 47 maximum maximum JJ 39928 2097 48 speed speed NN 39928 2097 49 of of IN 39928 2097 50 seventy seventy CD 39928 2097 51 miles mile NNS 39928 2097 52 a a DT 39928 2097 53 second second NN 39928 2097 54 would would MD 39928 2097 55 be be VB 39928 2097 56 produced produce VBN 39928 2097 57 , , , 39928 2097 58 or or CC 39928 2097 59 even even RB 39928 2097 60 more more JJR 39928 2097 61 . . . 39928 2098 1 By by IN 39928 2098 2 this this DT 39928 2098 3 latter latter JJ 39928 2098 4 calculation calculation NN 39928 2098 5 we -PRON- PRP 39928 2098 6 find find VBP 39928 2098 7 no no DT 39928 2098 8 insuperable insuperable JJ 39928 2098 9 difficulty difficulty NN 39928 2098 10 in in IN 39928 2098 11 the the DT 39928 2098 12 speed speed NN 39928 2098 13 of of IN 39928 2098 14 any any DT 39928 2098 15 of of IN 39928 2098 16 the the DT 39928 2098 17 stars star NNS 39928 2098 18 being be VBG 39928 2098 19 beyond beyond IN 39928 2098 20 the the DT 39928 2098 21 power power NN 39928 2098 22 of of IN 39928 2098 23 gravitation gravitation NN 39928 2098 24 to to TO 39928 2098 25 produce produce VB 39928 2098 26 , , , 39928 2098 27 because because IN 39928 2098 28 the the DT 39928 2098 29 rates rate NNS 39928 2098 30 here here RB 39928 2098 31 given give VBN 39928 2098 32 are be VBP 39928 2098 33 the the DT 39928 2098 34 direct direct JJ 39928 2098 35 results result NNS 39928 2098 36 of of IN 39928 2098 37 gravitation gravitation NN 39928 2098 38 acting act VBG 39928 2098 39 on on IN 39928 2098 40 bodies body NNS 39928 2098 41 almost almost RB 39928 2098 42 uniformly uniformly RB 39928 2098 43 distributed distribute VBN 39928 2098 44 through through IN 39928 2098 45 space space NN 39928 2098 46 . . . 39928 2099 1 Irregular irregular JJ 39928 2099 2 distribution distribution NN 39928 2099 3 , , , 39928 2099 4 such such JJ 39928 2099 5 as as IN 39928 2099 6 we -PRON- PRP 39928 2099 7 see see VBP 39928 2099 8 everywhere everywhere RB 39928 2099 9 in in IN 39928 2099 10 the the DT 39928 2099 11 universe universe NN 39928 2099 12 , , , 39928 2099 13 might may MD 39928 2099 14 lead lead VB 39928 2099 15 to to IN 39928 2099 16 both both CC 39928 2099 17 greater great JJR 39928 2099 18 and and CC 39928 2099 19 less less JJR 39928 2099 20 velocities velocity NNS 39928 2099 21 ; ; : 39928 2099 22 and and CC 39928 2099 23 if if IN 39928 2099 24 we -PRON- PRP 39928 2099 25 further further RB 39928 2099 26 take take VBP 39928 2099 27 account account NN 39928 2099 28 of of IN 39928 2099 29 collisions collision NNS 39928 2099 30 and and CC 39928 2099 31 near near IN 39928 2099 32 approaches approach NNS 39928 2099 33 of of IN 39928 2099 34 large large JJ 39928 2099 35 masses masse NNS 39928 2099 36 resulting result VBG 39928 2099 37 in in IN 39928 2099 38 explosive explosive JJ 39928 2099 39 disruptions disruption NNS 39928 2099 40 , , , 39928 2099 41 we -PRON- PRP 39928 2099 42 might may MD 39928 2099 43 have have VB 39928 2099 44 almost almost RB 39928 2099 45 any any DT 39928 2099 46 amount amount NN 39928 2099 47 of of IN 39928 2099 48 motion motion NN 39928 2099 49 as as IN 39928 2099 50 the the DT 39928 2099 51 result result NN 39928 2099 52 , , , 39928 2099 53 but but CC 39928 2099 54 as as IN 39928 2099 55 this this DT 39928 2099 56 motion motion NN 39928 2099 57 would would MD 39928 2099 58 be be VB 39928 2099 59 produced produce VBN 39928 2099 60 by by IN 39928 2099 61 gravitation gravitation NN 39928 2099 62 within within IN 39928 2099 63 the the DT 39928 2099 64 system system NN 39928 2099 65 , , , 39928 2099 66 it -PRON- PRP 39928 2099 67 could could MD 39928 2099 68 equally equally RB 39928 2099 69 well well RB 39928 2099 70 be be VB 39928 2099 71 controlled control VBN 39928 2099 72 by by IN 39928 2099 73 gravitation gravitation NN 39928 2099 74 . . . 39928 2100 1 [ [ -LRB- 39928 2100 2 Illustration illustration NN 39928 2100 3 : : : 39928 2100 4 DIAGRAM diagram NN 39928 2100 5 OF of IN 39928 2100 6 STELLAR STELLAR NNP 39928 2100 7 UNIVERSE UNIVERSE NNP 39928 2100 8 ( ( -LRB- 39928 2100 9 Plan plan NN 39928 2100 10 ) ) -RRB- 39928 2100 11 . . . 39928 2101 1 1 1 LS 39928 2101 2 . . . 39928 2102 1 Central central JJ 39928 2102 2 part part NN 39928 2102 3 of of IN 39928 2102 4 Solar Solar NNP 39928 2102 5 Cluster Cluster NNP 39928 2102 6 . . . 39928 2103 1 2 2 LS 39928 2103 2 . . . 39928 2104 1 Sun Sun NNP 39928 2104 2 's 's POS 39928 2104 3 Orbit Orbit NNP 39928 2104 4 ( ( -LRB- 39928 2104 5 Black black JJ 39928 2104 6 spot spot NN 39928 2104 7 ) ) -RRB- 39928 2104 8 . . . 39928 2105 1 3 3 LS 39928 2105 2 . . . 39928 2106 1 Outer outer JJ 39928 2106 2 limit limit NN 39928 2106 3 of of IN 39928 2106 4 Solar Solar NNP 39928 2106 5 Cluster Cluster NNP 39928 2106 6 . . . 39928 2107 1 4 4 LS 39928 2107 2 . . . 39928 2108 1 Milky Milky NNP 39928 2108 2 Way Way NNP 39928 2108 3 . . . 39928 2108 4 ] ] -RRB- 39928 2109 1 In in IN 39928 2109 2 order order NN 39928 2109 3 that that IN 39928 2109 4 my -PRON- PRP$ 39928 2109 5 readers reader NNS 39928 2109 6 may may MD 39928 2109 7 better well RBR 39928 2109 8 understand understand VB 39928 2109 9 the the DT 39928 2109 10 calculations calculation NNS 39928 2109 11 of of IN 39928 2109 12 Lord Lord NNP 39928 2109 13 Kelvin Kelvin NNP 39928 2109 14 , , , 39928 2109 15 and and CC 39928 2109 16 also also RB 39928 2109 17 the the DT 39928 2109 18 general general JJ 39928 2109 19 conclusions conclusion NNS 39928 2109 20 of of IN 39928 2109 21 astronomers astronomer NNS 39928 2109 22 as as IN 39928 2109 23 to to IN 39928 2109 24 the the DT 39928 2109 25 form form NN 39928 2109 26 and and CC 39928 2109 27 dimensions dimension NNS 39928 2109 28 of of IN 39928 2109 29 the the DT 39928 2109 30 stellar stellar JJ 39928 2109 31 universe universe NN 39928 2109 32 , , , 39928 2109 33 I -PRON- PRP 39928 2109 34 have have VBP 39928 2109 35 drawn draw VBN 39928 2109 36 two two CD 39928 2109 37 diagrams diagram NNS 39928 2109 38 , , , 39928 2109 39 one one CD 39928 2109 40 showing show VBG 39928 2109 41 a a DT 39928 2109 42 plan plan NN 39928 2109 43 on on IN 39928 2109 44 the the DT 39928 2109 45 central central JJ 39928 2109 46 plane plane NN 39928 2109 47 of of IN 39928 2109 48 the the DT 39928 2109 49 Milky Milky NNP 39928 2109 50 Way Way NNP 39928 2109 51 , , , 39928 2109 52 the the DT 39928 2109 53 other other JJ 39928 2109 54 a a DT 39928 2109 55 section section NN 39928 2109 56 through through IN 39928 2109 57 its -PRON- PRP$ 39928 2109 58 poles pole NNS 39928 2109 59 . . . 39928 2110 1 Both both DT 39928 2110 2 are be VBP 39928 2110 3 on on IN 39928 2110 4 the the DT 39928 2110 5 same same JJ 39928 2110 6 scale scale NN 39928 2110 7 , , , 39928 2110 8 and and CC 39928 2110 9 they -PRON- PRP 39928 2110 10 show show VBP 39928 2110 11 the the DT 39928 2110 12 total total JJ 39928 2110 13 diameter diameter NN 39928 2110 14 across across IN 39928 2110 15 the the DT 39928 2110 16 Milky Milky NNP 39928 2110 17 Way Way NNP 39928 2110 18 as as IN 39928 2110 19 being be VBG 39928 2110 20 3600 3600 CD 39928 2110 21 light light NN 39928 2110 22 - - HYPH 39928 2110 23 years year NNS 39928 2110 24 , , , 39928 2110 25 or or CC 39928 2110 26 about about IN 39928 2110 27 half half PDT 39928 2110 28 that that WDT 39928 2110 29 postulated postulate VBN 39928 2110 30 by by IN 39928 2110 31 Lord Lord NNP 39928 2110 32 Kelvin Kelvin NNP 39928 2110 33 for for IN 39928 2110 34 his -PRON- PRP$ 39928 2110 35 hypothetical hypothetical JJ 39928 2110 36 universe universe NN 39928 2110 37 . . . 39928 2111 1 I -PRON- PRP 39928 2111 2 do do VBP 39928 2111 3 this this DT 39928 2111 4 because because IN 39928 2111 5 the the DT 39928 2111 6 dimensions dimension NNS 39928 2111 7 given give VBN 39928 2111 8 by by IN 39928 2111 9 him -PRON- PRP 39928 2111 10 are be VBP 39928 2111 11 those those DT 39928 2111 12 which which WDT 39928 2111 13 are be VBP 39928 2111 14 sufficient sufficient JJ 39928 2111 15 to to TO 39928 2111 16 lead lead VB 39928 2111 17 to to IN 39928 2111 18 motions motion NNS 39928 2111 19 near near IN 39928 2111 20 the the DT 39928 2111 21 centre centre NN 39928 2111 22 such such JJ 39928 2111 23 as as IN 39928 2111 24 the the DT 39928 2111 25 stars star NNS 39928 2111 26 now now RB 39928 2111 27 possess possess VBP 39928 2111 28 in in IN 39928 2111 29 a a DT 39928 2111 30 minimum minimum JJ 39928 2111 31 period period NN 39928 2111 32 of of IN 39928 2111 33 twenty twenty CD 39928 2111 34 - - HYPH 39928 2111 35 five five CD 39928 2111 36 million million CD 39928 2111 37 years year NNS 39928 2111 38 after after IN 39928 2111 39 the the DT 39928 2111 40 initial initial JJ 39928 2111 41 arrangement arrangement NN 39928 2111 42 he -PRON- PRP 39928 2111 43 supposes suppose VBZ 39928 2111 44 , , , 39928 2111 45 at at IN 39928 2111 46 which which WDT 39928 2111 47 later later RB 39928 2111 48 epoch epoch NN 39928 2111 49 which which WDT 39928 2111 50 we -PRON- PRP 39928 2111 51 are be VBP 39928 2111 52 now now RB 39928 2111 53 supposed suppose VBN 39928 2111 54 to to TO 39928 2111 55 have have VB 39928 2111 56 reached reach VBN 39928 2111 57 , , , 39928 2111 58 the the DT 39928 2111 59 whole whole JJ 39928 2111 60 system system NN 39928 2111 61 would would MD 39928 2111 62 of of IN 39928 2111 63 course course NN 39928 2111 64 be be VB 39928 2111 65 greatly greatly RB 39928 2111 66 reduced reduce VBN 39928 2111 67 in in IN 39928 2111 68 extent extent NN 39928 2111 69 by by IN 39928 2111 70 aggregations aggregation NNS 39928 2111 71 towards towards IN 39928 2111 72 and and CC 39928 2111 73 near near IN 39928 2111 74 the the DT 39928 2111 75 centre centre NN 39928 2111 76 . . . 39928 2112 1 These these DT 39928 2112 2 dimensions dimension NNS 39928 2112 3 also also RB 39928 2112 4 seem seem VBP 39928 2112 5 to to TO 39928 2112 6 accord accord VB 39928 2112 7 sufficiently sufficiently RB 39928 2112 8 with with IN 39928 2112 9 the the DT 39928 2112 10 actual actual JJ 39928 2112 11 distances distance NNS 39928 2112 12 of of IN 39928 2112 13 stars star NNS 39928 2112 14 as as RB 39928 2112 15 yet yet RB 39928 2112 16 measured measure VBN 39928 2112 17 . . . 39928 2113 1 The the DT 39928 2113 2 smallest small JJS 39928 2113 3 parallax parallax NN 39928 2113 4 which which WDT 39928 2113 5 has have VBZ 39928 2113 6 been be VBN 39928 2113 7 determined determine VBN 39928 2113 8 with with IN 39928 2113 9 any any DT 39928 2113 10 certainty certainty NN 39928 2113 11 , , , 39928 2113 12 according accord VBG 39928 2113 13 to to IN 39928 2113 14 Professor Professor NNP 39928 2113 15 Newcomb Newcomb NNP 39928 2113 16 's 's POS 39928 2113 17 list list NN 39928 2113 18 , , , 39928 2113 19 is be VBZ 39928 2113 20 that that DT 39928 2113 21 of of IN 39928 2113 22 Gamma Gamma NNP 39928 2113 23 Cassiopeiæ Cassiopeiæ NNP 39928 2113 24 , , , 39928 2113 25 which which WDT 39928 2113 26 is be VBZ 39928 2113 27 one one CD 39928 2113 28 - - HYPH 39928 2113 29 hundredth hundredth JJ 39928 2113 30 of of IN 39928 2113 31 a a DT 39928 2113 32 second second JJ 39928 2113 33 ( ( -LRB- 39928 2113 34 0".01 0".01 CD 39928 2113 35 ) ) -RRB- 39928 2113 36 , , , 39928 2113 37 while while IN 39928 2113 38 Lord Lord NNP 39928 2113 39 Kelvin Kelvin NNP 39928 2113 40 gives give VBZ 39928 2113 41 none none NN 39928 2113 42 smaller small JJR 39928 2113 43 than than IN 39928 2113 44 0".02 0".02 NN 39928 2113 45 , , , 39928 2113 46 and and CC 39928 2113 47 these these DT 39928 2113 48 will will MD 39928 2113 49 all all DT 39928 2113 50 be be VB 39928 2113 51 included include VBN 39928 2113 52 within within IN 39928 2113 53 the the DT 39928 2113 54 solar solar JJ 39928 2113 55 cluster cluster NN 39928 2113 56 as as IN 39928 2113 57 I -PRON- PRP 39928 2113 58 have have VBP 39928 2113 59 shown show VBN 39928 2113 60 it -PRON- PRP 39928 2113 61 . . . 39928 2114 1 [ [ -LRB- 39928 2114 2 Illustration illustration NN 39928 2114 3 : : : 39928 2114 4 DIAGRAM diagram NN 39928 2114 5 OF of IN 39928 2114 6 STELLAR STELLAR NNP 39928 2114 7 UNIVERSE UNIVERSE NNP 39928 2114 8 ( ( -LRB- 39928 2114 9 Section section NN 39928 2114 10 ) ) -RRB- 39928 2114 11 . . . 39928 2115 1 Section section NN 39928 2115 2 through through IN 39928 2115 3 Poles Poles NNPS 39928 2115 4 of of IN 39928 2115 5 Milky Milky NNP 39928 2115 6 Way Way NNP 39928 2115 7 . . . 39928 2115 8 ] ] -RRB- 39928 2116 1 It -PRON- PRP 39928 2116 2 must must MD 39928 2116 3 be be VB 39928 2116 4 clearly clearly RB 39928 2116 5 understood understand VBN 39928 2116 6 that that IN 39928 2116 7 these these DT 39928 2116 8 two two CD 39928 2116 9 illustrations illustration NNS 39928 2116 10 are be VBP 39928 2116 11 merely merely RB 39928 2116 12 diagrams diagram NNS 39928 2116 13 to to TO 39928 2116 14 show show VB 39928 2116 15 the the DT 39928 2116 16 main main JJ 39928 2116 17 features feature NNS 39928 2116 18 of of IN 39928 2116 19 the the DT 39928 2116 20 stellar stellar JJ 39928 2116 21 universe universe NN 39928 2116 22 according accord VBG 39928 2116 23 to to IN 39928 2116 24 the the DT 39928 2116 25 best good JJS 39928 2116 26 information information NN 39928 2116 27 available available JJ 39928 2116 28 , , , 39928 2116 29 with with IN 39928 2116 30 the the DT 39928 2116 31 proportionate proportionate NN 39928 2116 32 dimensions dimension NNS 39928 2116 33 of of IN 39928 2116 34 these these DT 39928 2116 35 features feature NNS 39928 2116 36 , , , 39928 2116 37 so so RB 39928 2116 38 far far RB 39928 2116 39 as as IN 39928 2116 40 the the DT 39928 2116 41 facts fact NNS 39928 2116 42 of of IN 39928 2116 43 the the DT 39928 2116 44 distribution distribution NN 39928 2116 45 of of IN 39928 2116 46 the the DT 39928 2116 47 stars star NNS 39928 2116 48 and and CC 39928 2116 49 the the DT 39928 2116 50 views view NNS 39928 2116 51 of of IN 39928 2116 52 those those DT 39928 2116 53 astronomers astronomer NNS 39928 2116 54 who who WP 39928 2116 55 have have VBP 39928 2116 56 paid pay VBN 39928 2116 57 most most JJS 39928 2116 58 attention attention NN 39928 2116 59 to to IN 39928 2116 60 the the DT 39928 2116 61 subject subject NN 39928 2116 62 can can MD 39928 2116 63 be be VB 39928 2116 64 harmonised harmonise VBN 39928 2116 65 . . . 39928 2117 1 Of of RB 39928 2117 2 course course RB 39928 2117 3 it -PRON- PRP 39928 2117 4 is be VBZ 39928 2117 5 not not RB 39928 2117 6 suggested suggest VBN 39928 2117 7 that that IN 39928 2117 8 the the DT 39928 2117 9 whole whole JJ 39928 2117 10 arrangement arrangement NN 39928 2117 11 is be VBZ 39928 2117 12 so so RB 39928 2117 13 regular regular JJ 39928 2117 14 as as IN 39928 2117 15 here here RB 39928 2117 16 shown show VBN 39928 2117 17 , , , 39928 2117 18 but but CC 39928 2117 19 an an DT 39928 2117 20 attempt attempt NN 39928 2117 21 has have VBZ 39928 2117 22 been be VBN 39928 2117 23 made make VBN 39928 2117 24 by by IN 39928 2117 25 means mean NNS 39928 2117 26 of of IN 39928 2117 27 the the DT 39928 2117 28 dotted dotted JJ 39928 2117 29 shading shade VBG 39928 2117 30 to to TO 39928 2117 31 represent represent VB 39928 2117 32 the the DT 39928 2117 33 comparative comparative JJ 39928 2117 34 densities density NNS 39928 2117 35 of of IN 39928 2117 36 the the DT 39928 2117 37 different different JJ 39928 2117 38 portions portion NNS 39928 2117 39 of of IN 39928 2117 40 space space NN 39928 2117 41 around around IN 39928 2117 42 us -PRON- PRP 39928 2117 43 , , , 39928 2117 44 and and CC 39928 2117 45 a a DT 39928 2117 46 few few JJ 39928 2117 47 remarks remark NNS 39928 2117 48 on on IN 39928 2117 49 this this DT 39928 2117 50 point point NN 39928 2117 51 may may MD 39928 2117 52 be be VB 39928 2117 53 needed need VBN 39928 2117 54 . . . 39928 2118 1 The the DT 39928 2118 2 solar solar JJ 39928 2118 3 cluster cluster NN 39928 2118 4 is be VBZ 39928 2118 5 shown show VBN 39928 2118 6 very very RB 39928 2118 7 dense dense JJ 39928 2118 8 at at IN 39928 2118 9 the the DT 39928 2118 10 central central JJ 39928 2118 11 portion portion NN 39928 2118 12 , , , 39928 2118 13 occupying occupy VBG 39928 2118 14 one one CD 39928 2118 15 - - HYPH 39928 2118 16 tenth tenth NN 39928 2118 17 of of IN 39928 2118 18 its -PRON- PRP$ 39928 2118 19 diameter diameter NN 39928 2118 20 , , , 39928 2118 21 and and CC 39928 2118 22 it -PRON- PRP 39928 2118 23 is be VBZ 39928 2118 24 near near IN 39928 2118 25 the the DT 39928 2118 26 outside outside NN 39928 2118 27 of of IN 39928 2118 28 this this DT 39928 2118 29 dense dense JJ 39928 2118 30 centre centre NN 39928 2118 31 that that WDT 39928 2118 32 our -PRON- PRP$ 39928 2118 33 sun sun NN 39928 2118 34 is be VBZ 39928 2118 35 supposed suppose VBN 39928 2118 36 to to TO 39928 2118 37 be be VB 39928 2118 38 situated situate VBN 39928 2118 39 . . . 39928 2119 1 Beyond beyond IN 39928 2119 2 this this DT 39928 2119 3 there there EX 39928 2119 4 seems seem VBZ 39928 2119 5 to to TO 39928 2119 6 be be VB 39928 2119 7 almost almost RB 39928 2119 8 a a DT 39928 2119 9 vacuity vacuity NN 39928 2119 10 , , , 39928 2119 11 beyond beyond IN 39928 2119 12 which which WDT 39928 2119 13 again again RB 39928 2119 14 is be VBZ 39928 2119 15 the the DT 39928 2119 16 outer outer JJ 39928 2119 17 portion portion NN 39928 2119 18 of of IN 39928 2119 19 the the DT 39928 2119 20 cluster cluster NN 39928 2119 21 consisting consist VBG 39928 2119 22 of of IN 39928 2119 23 comparatively comparatively RB 39928 2119 24 thinly thinly RB 39928 2119 25 scattered scatter VBN 39928 2119 26 stars star NNS 39928 2119 27 , , , 39928 2119 28 thus thus RB 39928 2119 29 forming form VBG 39928 2119 30 a a DT 39928 2119 31 kind kind NN 39928 2119 32 of of IN 39928 2119 33 ring ring NN 39928 2119 34 - - HYPH 39928 2119 35 cluster cluster NN 39928 2119 36 , , , 39928 2119 37 resembling resemble VBG 39928 2119 38 in in IN 39928 2119 39 shape shape NN 39928 2119 40 the the DT 39928 2119 41 beautiful beautiful JJ 39928 2119 42 ring ring NN 39928 2119 43 - - HYPH 39928 2119 44 nebula nebula NN 39928 2119 45 in in IN 39928 2119 46 Lyra Lyra NNP 39928 2119 47 , , , 39928 2119 48 as as IN 39928 2119 49 has have VBZ 39928 2119 50 been be VBN 39928 2119 51 suggested suggest VBN 39928 2119 52 by by IN 39928 2119 53 several several JJ 39928 2119 54 astronomers astronomer NNS 39928 2119 55 . . . 39928 2120 1 There there EX 39928 2120 2 is be VBZ 39928 2120 3 some some DT 39928 2120 4 direct direct JJ 39928 2120 5 evidence evidence NN 39928 2120 6 for for IN 39928 2120 7 this this DT 39928 2120 8 ring ring NN 39928 2120 9 - - HYPH 39928 2120 10 form form NN 39928 2120 11 . . . 39928 2121 1 Professor Professor NNP 39928 2121 2 Newcomb Newcomb NNP 39928 2121 3 in in IN 39928 2121 4 his -PRON- PRP$ 39928 2121 5 recent recent JJ 39928 2121 6 book book NN 39928 2121 7 on on IN 39928 2121 8 _ _ NNP 39928 2121 9 The the DT 39928 2121 10 Stars Stars NNPS 39928 2121 11 _ _ NNP 39928 2121 12 gives give VBZ 39928 2121 13 a a DT 39928 2121 14 list list NN 39928 2121 15 of of IN 39928 2121 16 all all DT 39928 2121 17 stars star NNS 39928 2121 18 of of IN 39928 2121 19 which which WDT 39928 2121 20 the the DT 39928 2121 21 parallax parallax NN 39928 2121 22 is be VBZ 39928 2121 23 fairly fairly RB 39928 2121 24 well well RB 39928 2121 25 known known JJ 39928 2121 26 . . . 39928 2122 1 These these DT 39928 2122 2 are be VBP 39928 2122 3 sixty sixty CD 39928 2122 4 - - HYPH 39928 2122 5 nine nine CD 39928 2122 6 in in IN 39928 2122 7 number number NN 39928 2122 8 ; ; : 39928 2122 9 and and CC 39928 2122 10 on on IN 39928 2122 11 arranging arrange VBG 39928 2122 12 them -PRON- PRP 39928 2122 13 in in IN 39928 2122 14 the the DT 39928 2122 15 order order NN 39928 2122 16 of of IN 39928 2122 17 the the DT 39928 2122 18 amount amount NN 39928 2122 19 of of IN 39928 2122 20 their -PRON- PRP$ 39928 2122 21 parallax parallax NN 39928 2122 22 , , , 39928 2122 23 I -PRON- PRP 39928 2122 24 find find VBP 39928 2122 25 that that IN 39928 2122 26 no no RB 39928 2122 27 less less JJR 39928 2122 28 than than IN 39928 2122 29 thirty thirty CD 39928 2122 30 - - HYPH 39928 2122 31 five five CD 39928 2122 32 of of IN 39928 2122 33 them -PRON- PRP 39928 2122 34 have have VBP 39928 2122 35 parallaxes parallax NNS 39928 2122 36 between between IN 39928 2122 37 0".1 0".1 NNS 39928 2122 38 and and CC 39928 2122 39 0".4 0".4 CD 39928 2122 40 of of IN 39928 2122 41 a a DT 39928 2122 42 second second NN 39928 2122 43 , , , 39928 2122 44 thus thus RB 39928 2122 45 showing show VBG 39928 2122 46 that that IN 39928 2122 47 they -PRON- PRP 39928 2122 48 constitute constitute VBP 39928 2122 49 part part NN 39928 2122 50 of of IN 39928 2122 51 the the DT 39928 2122 52 dense dense JJ 39928 2122 53 central central NNP 39928 2122 54 mass mass NNP 39928 2122 55 ; ; : 39928 2122 56 while while IN 39928 2122 57 three three CD 39928 2122 58 others other NNS 39928 2122 59 , , , 39928 2122 60 from from IN 39928 2122 61 0".4 0".4 CD 39928 2122 62 to to IN 39928 2122 63 0".75 0".75 CD 39928 2122 64 , , , 39928 2122 65 indicate indicate VBP 39928 2122 66 those those DT 39928 2122 67 which which WDT 39928 2122 68 are be VBP 39928 2122 69 our -PRON- PRP$ 39928 2122 70 closest close JJS 39928 2122 71 companions companion NNS 39928 2122 72 at at IN 39928 2122 73 the the DT 39928 2122 74 present present JJ 39928 2122 75 time time NN 39928 2122 76 , , , 39928 2122 77 but but CC 39928 2122 78 still still RB 39928 2122 79 at at IN 39928 2122 80 an an DT 39928 2122 81 enormous enormous JJ 39928 2122 82 distance distance NN 39928 2122 83 . . . 39928 2123 1 Those those DT 39928 2123 2 which which WDT 39928 2123 3 have have VBP 39928 2123 4 parallaxes parallax NNS 39928 2123 5 of of IN 39928 2123 6 less less JJR 39928 2123 7 than than IN 39928 2123 8 the the DT 39928 2123 9 tenth tenth NN 39928 2123 10 and and CC 39928 2123 11 down down RB 39928 2123 12 to to IN 39928 2123 13 one one CD 39928 2123 14 - - HYPH 39928 2123 15 hundredth hundredth NN 39928 2123 16 of of IN 39928 2123 17 a a DT 39928 2123 18 second second JJ 39928 2123 19 are be VBP 39928 2123 20 only only RB 39928 2123 21 thirty thirty CD 39928 2123 22 - - HYPH 39928 2123 23 one one NN 39928 2123 24 in in IN 39928 2123 25 all all DT 39928 2123 26 ; ; : 39928 2123 27 but but CC 39928 2123 28 as as IN 39928 2123 29 they -PRON- PRP 39928 2123 30 are be VBP 39928 2123 31 spread spread VBN 39928 2123 32 over over IN 39928 2123 33 a a DT 39928 2123 34 sphere sphere JJ 39928 2123 35 ten ten CD 39928 2123 36 times time NNS 39928 2123 37 the the DT 39928 2123 38 diameter diameter NN 39928 2123 39 , , , 39928 2123 40 and and CC 39928 2123 41 therefore therefore RB 39928 2123 42 a a DT 39928 2123 43 thousand thousand CD 39928 2123 44 times time NNS 39928 2123 45 the the DT 39928 2123 46 cubic cubic JJ 39928 2123 47 content content NN 39928 2123 48 of of IN 39928 2123 49 the the DT 39928 2123 50 sphere sphere NN 39928 2123 51 containing contain VBG 39928 2123 52 those those DT 39928 2123 53 above above IN 39928 2123 54 one one CD 39928 2123 55 - - HYPH 39928 2123 56 tenth tenth NN 39928 2123 57 of of IN 39928 2123 58 a a DT 39928 2123 59 second second JJ 39928 2123 60 , , , 39928 2123 61 they -PRON- PRP 39928 2123 62 ought ought MD 39928 2123 63 to to TO 39928 2123 64 be be VB 39928 2123 65 immensely immensely RB 39928 2123 66 more more RBR 39928 2123 67 numerous numerous JJ 39928 2123 68 even even RB 39928 2123 69 if if IN 39928 2123 70 very very RB 39928 2123 71 much much RB 39928 2123 72 more more RBR 39928 2123 73 thinly thinly RB 39928 2123 74 scattered scatter VBN 39928 2123 75 . . . 39928 2124 1 The the DT 39928 2124 2 interesting interesting JJ 39928 2124 3 point point NN 39928 2124 4 , , , 39928 2124 5 however however RB 39928 2124 6 , , , 39928 2124 7 is be VBZ 39928 2124 8 , , , 39928 2124 9 that that IN 39928 2124 10 till till IN 39928 2124 11 we -PRON- PRP 39928 2124 12 get get VBP 39928 2124 13 down down RP 39928 2124 14 to to IN 39928 2124 15 a a DT 39928 2124 16 parallax parallax NN 39928 2124 17 of of IN 39928 2124 18 0".06 0".06 NNS 39928 2124 19 , , , 39928 2124 20 there there EX 39928 2124 21 are be VBP 39928 2124 22 only only RB 39928 2124 23 three three CD 39928 2124 24 stars star NNS 39928 2124 25 as as RB 39928 2124 26 yet yet RB 39928 2124 27 measured measure VBN 39928 2124 28 , , , 39928 2124 29 whereas whereas IN 39928 2124 30 those those DT 39928 2124 31 between between IN 39928 2124 32 0".02 0".02 CD 39928 2124 33 and and CC 39928 2124 34 0".06 0".06 NNP 39928 2124 35 , , , 39928 2124 36 an an DT 39928 2124 37 equal equal JJ 39928 2124 38 range range NN 39928 2124 39 of of IN 39928 2124 40 parallax parallax NN 39928 2124 41 , , , 39928 2124 42 are be VBP 39928 2124 43 twenty twenty CD 39928 2124 44 - - HYPH 39928 2124 45 six six CD 39928 2124 46 in in IN 39928 2124 47 number number NN 39928 2124 48 , , , 39928 2124 49 and and CC 39928 2124 50 as as IN 39928 2124 51 these these DT 39928 2124 52 are be VBP 39928 2124 53 scattered scatter VBN 39928 2124 54 in in IN 39928 2124 55 all all DT 39928 2124 56 directions direction NNS 39928 2124 57 they -PRON- PRP 39928 2124 58 indicate indicate VBP 39928 2124 59 an an DT 39928 2124 60 almost almost RB 39928 2124 61 vacant vacant JJ 39928 2124 62 space space NN 39928 2124 63 followed follow VBN 39928 2124 64 by by IN 39928 2124 65 a a DT 39928 2124 66 moderately moderately RB 39928 2124 67 dense dense JJ 39928 2124 68 outer outer JJ 39928 2124 69 ring ring NN 39928 2124 70 . . . 39928 2125 1 In in IN 39928 2125 2 the the DT 39928 2125 3 enormous enormous JJ 39928 2125 4 space space NN 39928 2125 5 between between IN 39928 2125 6 our -PRON- PRP$ 39928 2125 7 cluster cluster NN 39928 2125 8 and and CC 39928 2125 9 the the DT 39928 2125 10 Milky Milky NNP 39928 2125 11 Way Way NNP 39928 2125 12 , , , 39928 2125 13 and and CC 39928 2125 14 also also RB 39928 2125 15 above above IN 39928 2125 16 and and CC 39928 2125 17 below below IN 39928 2125 18 its -PRON- PRP$ 39928 2125 19 plane plane NN 39928 2125 20 to to IN 39928 2125 21 the the DT 39928 2125 22 poles pole NNS 39928 2125 23 of of IN 39928 2125 24 the the DT 39928 2125 25 Galaxy Galaxy NNP 39928 2125 26 , , , 39928 2125 27 stars star NNS 39928 2125 28 appear appear VBP 39928 2125 29 to to TO 39928 2125 30 be be VB 39928 2125 31 very very RB 39928 2125 32 thinly thinly RB 39928 2125 33 scattered scatter VBN 39928 2125 34 , , , 39928 2125 35 perhaps perhaps RB 39928 2125 36 more more RBR 39928 2125 37 densely densely RB 39928 2125 38 in in IN 39928 2125 39 the the DT 39928 2125 40 plane plane NN 39928 2125 41 of of IN 39928 2125 42 the the DT 39928 2125 43 Milky Milky NNP 39928 2125 44 Way Way NNP 39928 2125 45 than than IN 39928 2125 46 above above IN 39928 2125 47 and and CC 39928 2125 48 below below IN 39928 2125 49 it -PRON- PRP 39928 2125 50 where where WRB 39928 2125 51 the the DT 39928 2125 52 irresolvable irresolvable JJ 39928 2125 53 nebulæ nebulæ NN 39928 2125 54 are be VBP 39928 2125 55 so so RB 39928 2125 56 numerous numerous JJ 39928 2125 57 ; ; : 39928 2125 58 and and CC 39928 2125 59 there there EX 39928 2125 60 may may MD 39928 2125 61 not not RB 39928 2125 62 improbably improbably RB 39928 2125 63 be be VB 39928 2125 64 an an DT 39928 2125 65 almost almost RB 39928 2125 66 vacant vacant JJ 39928 2125 67 space space NN 39928 2125 68 beyond beyond IN 39928 2125 69 our -PRON- PRP$ 39928 2125 70 cluster cluster NN 39928 2125 71 for for IN 39928 2125 72 a a DT 39928 2125 73 considerable considerable JJ 39928 2125 74 distance distance NN 39928 2125 75 , , , 39928 2125 76 as as IN 39928 2125 77 has have VBZ 39928 2125 78 been be VBN 39928 2125 79 supposed suppose VBN 39928 2125 80 , , , 39928 2125 81 but but CC 39928 2125 82 this this DT 39928 2125 83 can can MD 39928 2125 84 not not RB 39928 2125 85 be be VB 39928 2125 86 known know VBN 39928 2125 87 till till IN 39928 2125 88 some some DT 39928 2125 89 means mean NNS 39928 2125 90 are be VBP 39928 2125 91 discovered discover VBN 39928 2125 92 of of IN 39928 2125 93 measuring measure VBG 39928 2125 94 parallaxes parallax NNS 39928 2125 95 of of IN 39928 2125 96 from from IN 39928 2125 97 one one CD 39928 2125 98 - - HYPH 39928 2125 99 hundredth hundredth NN 39928 2125 100 to to IN 39928 2125 101 one one CD 39928 2125 102 five five CD 39928 2125 103 - - HYPH 39928 2125 104 hundredth hundredth JJ 39928 2125 105 of of IN 39928 2125 106 a a DT 39928 2125 107 second second NN 39928 2125 108 . . . 39928 2126 1 These these DT 39928 2126 2 diagrams diagram NNS 39928 2126 3 also also RB 39928 2126 4 serve serve VBP 39928 2126 5 to to TO 39928 2126 6 indicate indicate VB 39928 2126 7 another another DT 39928 2126 8 point point NN 39928 2126 9 of of IN 39928 2126 10 considerable considerable JJ 39928 2126 11 importance importance NN 39928 2126 12 to to IN 39928 2126 13 the the DT 39928 2126 14 view view NN 39928 2126 15 here here RB 39928 2126 16 advocated advocate VBD 39928 2126 17 . . . 39928 2127 1 By by IN 39928 2127 2 placing place VBG 39928 2127 3 the the DT 39928 2127 4 solar solar JJ 39928 2127 5 system system NN 39928 2127 6 towards towards IN 39928 2127 7 the the DT 39928 2127 8 outer outer JJ 39928 2127 9 margin margin NN 39928 2127 10 of of IN 39928 2127 11 the the DT 39928 2127 12 dense dense JJ 39928 2127 13 central central JJ 39928 2127 14 portion portion NN 39928 2127 15 of of IN 39928 2127 16 the the DT 39928 2127 17 solar solar JJ 39928 2127 18 cluster cluster NN 39928 2127 19 ( ( -LRB- 39928 2127 20 which which WDT 39928 2127 21 may may MD 39928 2127 22 very very RB 39928 2127 23 possibly possibly RB 39928 2127 24 include include VB 39928 2127 25 a a DT 39928 2127 26 large large JJ 39928 2127 27 proportion proportion NN 39928 2127 28 of of IN 39928 2127 29 dark dark JJ 39928 2127 30 stars star NNS 39928 2127 31 and and CC 39928 2127 32 thus thus RB 39928 2127 33 be be VB 39928 2127 34 much much RB 39928 2127 35 more more RBR 39928 2127 36 dense dense JJ 39928 2127 37 towards towards IN 39928 2127 38 the the DT 39928 2127 39 centre centre NN 39928 2127 40 than than IN 39928 2127 41 it -PRON- PRP 39928 2127 42 appears appear VBZ 39928 2127 43 to to IN 39928 2127 44 us -PRON- PRP 39928 2127 45 ) ) -RRB- 39928 2127 46 , , , 39928 2127 47 it -PRON- PRP 39928 2127 48 may may MD 39928 2127 49 very very RB 39928 2127 50 well well RB 39928 2127 51 be be VB 39928 2127 52 supposed suppose VBN 39928 2127 53 to to TO 39928 2127 54 revolve revolve VB 39928 2127 55 , , , 39928 2127 56 with with IN 39928 2127 57 the the DT 39928 2127 58 other other JJ 39928 2127 59 stars star NNS 39928 2127 60 composing compose VBG 39928 2127 61 it -PRON- PRP 39928 2127 62 , , , 39928 2127 63 around around IN 39928 2127 64 the the DT 39928 2127 65 centre centre NN 39928 2127 66 of of IN 39928 2127 67 gravity gravity NN 39928 2127 68 of of IN 39928 2127 69 the the DT 39928 2127 70 cluster cluster NN 39928 2127 71 , , , 39928 2127 72 as as IN 39928 2127 73 the the DT 39928 2127 74 force force NN 39928 2127 75 of of IN 39928 2127 76 gravity gravity NN 39928 2127 77 towards towards IN 39928 2127 78 that that DT 39928 2127 79 centre centre NN 39928 2127 80 might may MD 39928 2127 81 be be VB 39928 2127 82 perhaps perhaps RB 39928 2127 83 twenty twenty CD 39928 2127 84 or or CC 39928 2127 85 a a DT 39928 2127 86 hundred hundred CD 39928 2127 87 times time NNS 39928 2127 88 greater great JJR 39928 2127 89 than than IN 39928 2127 90 towards towards IN 39928 2127 91 the the DT 39928 2127 92 very very RB 39928 2127 93 much much RB 39928 2127 94 less less RBR 39928 2127 95 dense dense JJ 39928 2127 96 and and CC 39928 2127 97 more more RBR 39928 2127 98 remote remote JJ 39928 2127 99 outer outer JJ 39928 2127 100 portions portion NNS 39928 2127 101 of of IN 39928 2127 102 the the DT 39928 2127 103 cluster cluster NN 39928 2127 104 . . . 39928 2128 1 The the DT 39928 2128 2 sun sun NN 39928 2128 3 , , , 39928 2128 4 as as IN 39928 2128 5 indicated indicate VBN 39928 2128 6 on on IN 39928 2128 7 the the DT 39928 2128 8 diagrams diagram NNS 39928 2128 9 , , , 39928 2128 10 is be VBZ 39928 2128 11 about about RB 39928 2128 12 thirty thirty CD 39928 2128 13 light light NN 39928 2128 14 - - HYPH 39928 2128 15 years year NNS 39928 2128 16 from from IN 39928 2128 17 that that DT 39928 2128 18 centre centre NN 39928 2128 19 , , , 39928 2128 20 corresponding correspond VBG 39928 2128 21 to to IN 39928 2128 22 a a DT 39928 2128 23 parallax parallax NN 39928 2128 24 of of IN 39928 2128 25 a a DT 39928 2128 26 little little JJ 39928 2128 27 more more JJR 39928 2128 28 than than IN 39928 2128 29 one one CD 39928 2128 30 - - HYPH 39928 2128 31 tenth tenth NN 39928 2128 32 of of IN 39928 2128 33 a a DT 39928 2128 34 second second JJ 39928 2128 35 , , , 39928 2128 36 and and CC 39928 2128 37 an an DT 39928 2128 38 actual actual JJ 39928 2128 39 distance distance NN 39928 2128 40 of of IN 39928 2128 41 190 190 CD 39928 2128 42 millions million NNS 39928 2128 43 of of IN 39928 2128 44 millions million NNS 39928 2128 45 of of IN 39928 2128 46 miles mile NNS 39928 2128 47 , , , 39928 2128 48 equal equal JJ 39928 2128 49 to to IN 39928 2128 50 about about IN 39928 2128 51 70,000 70,000 CD 39928 2128 52 times time NNS 39928 2128 53 the the DT 39928 2128 54 distance distance NN 39928 2128 55 of of IN 39928 2128 56 the the DT 39928 2128 57 sun sun NN 39928 2128 58 from from IN 39928 2128 59 Neptune Neptune NNP 39928 2128 60 . . . 39928 2129 1 Yet yet CC 39928 2129 2 we -PRON- PRP 39928 2129 3 see see VBP 39928 2129 4 that that IN 39928 2129 5 this this DT 39928 2129 6 position position NN 39928 2129 7 is be VBZ 39928 2129 8 so so RB 39928 2129 9 little little JJ 39928 2129 10 removed remove VBN 39928 2129 11 from from IN 39928 2129 12 the the DT 39928 2129 13 exact exact JJ 39928 2129 14 centre centre NN 39928 2129 15 of of IN 39928 2129 16 the the DT 39928 2129 17 whole whole JJ 39928 2129 18 stellar stellar JJ 39928 2129 19 universe universe NN 39928 2129 20 , , , 39928 2129 21 that that IN 39928 2129 22 if if IN 39928 2129 23 any any DT 39928 2129 24 beneficial beneficial JJ 39928 2129 25 influences influence NNS 39928 2129 26 are be VBP 39928 2129 27 due due JJ 39928 2129 28 to to IN 39928 2129 29 that that DT 39928 2129 30 central central JJ 39928 2129 31 position position NN 39928 2129 32 in in IN 39928 2129 33 regard regard NN 39928 2129 34 to to IN 39928 2129 35 the the DT 39928 2129 36 Galaxy Galaxy NNP 39928 2129 37 , , , 39928 2129 38 it -PRON- PRP 39928 2129 39 will will MD 39928 2129 40 receive receive VB 39928 2129 41 them -PRON- PRP 39928 2129 42 perhaps perhaps RB 39928 2129 43 to to IN 39928 2129 44 as as RB 39928 2129 45 full full JJ 39928 2129 46 an an DT 39928 2129 47 extent extent NN 39928 2129 48 as as IN 39928 2129 49 if if IN 39928 2129 50 situated situate VBN 39928 2129 51 at at IN 39928 2129 52 the the DT 39928 2129 53 actual actual JJ 39928 2129 54 centre centre NN 39928 2129 55 . . . 39928 2130 1 But but CC 39928 2130 2 if if IN 39928 2130 3 it -PRON- PRP 39928 2130 4 is be VBZ 39928 2130 5 situated situate VBN 39928 2130 6 as as IN 39928 2130 7 here here RB 39928 2130 8 shown show VBN 39928 2130 9 , , , 39928 2130 10 there there EX 39928 2130 11 is be VBZ 39928 2130 12 no no DT 39928 2130 13 further further JJ 39928 2130 14 difficulty difficulty NN 39928 2130 15 as as IN 39928 2130 16 to to IN 39928 2130 17 its -PRON- PRP$ 39928 2130 18 proper proper JJ 39928 2130 19 motion motion NN 39928 2130 20 carrying carry VBG 39928 2130 21 it -PRON- PRP 39928 2130 22 from from IN 39928 2130 23 one one CD 39928 2130 24 side side NN 39928 2130 25 to to IN 39928 2130 26 the the DT 39928 2130 27 other other JJ 39928 2130 28 of of IN 39928 2130 29 the the DT 39928 2130 30 Milky Milky NNP 39928 2130 31 Way Way NNP 39928 2130 32 in in IN 39928 2130 33 less less JJR 39928 2130 34 time time NN 39928 2130 35 than than IN 39928 2130 36 has have VBZ 39928 2130 37 been be VBN 39928 2130 38 required require VBN 39928 2130 39 for for IN 39928 2130 40 the the DT 39928 2130 41 development development NN 39928 2130 42 of of IN 39928 2130 43 life life NN 39928 2130 44 upon upon IN 39928 2130 45 the the DT 39928 2130 46 earth earth NN 39928 2130 47 . . . 39928 2131 1 And and CC 39928 2131 2 if if IN 39928 2131 3 the the DT 39928 2131 4 solar solar JJ 39928 2131 5 cluster cluster NN 39928 2131 6 is be VBZ 39928 2131 7 really really RB 39928 2131 8 sub sub JJ 39928 2131 9 - - JJ 39928 2131 10 globular globular JJ 39928 2131 11 , , , 39928 2131 12 and and CC 39928 2131 13 sufficiently sufficiently RB 39928 2131 14 condensed condense VBN 39928 2131 15 to to TO 39928 2131 16 serve serve VB 39928 2131 17 as as IN 39928 2131 18 a a DT 39928 2131 19 centre centre NN 39928 2131 20 of of IN 39928 2131 21 gravity gravity NN 39928 2131 22 for for IN 39928 2131 23 the the DT 39928 2131 24 whole whole NN 39928 2131 25 of of IN 39928 2131 26 the the DT 39928 2131 27 stars star NNS 39928 2131 28 of of IN 39928 2131 29 the the DT 39928 2131 30 cluster cluster NN 39928 2131 31 to to TO 39928 2131 32 revolve revolve VB 39928 2131 33 around around RB 39928 2131 34 , , , 39928 2131 35 all all PDT 39928 2131 36 the the DT 39928 2131 37 component component NN 39928 2131 38 stars star NNS 39928 2131 39 which which WDT 39928 2131 40 are be VBP 39928 2131 41 not not RB 39928 2131 42 situated situate VBN 39928 2131 43 in in IN 39928 2131 44 the the DT 39928 2131 45 plane plane NN 39928 2131 46 of of IN 39928 2131 47 its -PRON- PRP$ 39928 2131 48 equator equator NN 39928 2131 49 ( ( -LRB- 39928 2131 50 and and CC 39928 2131 51 that that DT 39928 2131 52 of of IN 39928 2131 53 the the DT 39928 2131 54 Milky Milky NNP 39928 2131 55 Way Way NNP 39928 2131 56 ) ) -RRB- 39928 2131 57 must must MD 39928 2131 58 revolve revolve VB 39928 2131 59 obliquely obliquely RB 39928 2131 60 at at IN 39928 2131 61 various various JJ 39928 2131 62 angles angle NNS 39928 2131 63 up up RB 39928 2131 64 to to IN 39928 2131 65 an an DT 39928 2131 66 angle angle NN 39928 2131 67 of of IN 39928 2131 68 90 90 CD 39928 2131 69 ° ° NNS 39928 2131 70 . . . 39928 2132 1 These these DT 39928 2132 2 numerous numerous JJ 39928 2132 3 diverging diverging NN 39928 2132 4 motions motion NNS 39928 2132 5 , , , 39928 2132 6 together together RB 39928 2132 7 with with IN 39928 2132 8 the the DT 39928 2132 9 motions motion NNS 39928 2132 10 of of IN 39928 2132 11 the the DT 39928 2132 12 nearer nearer NN 39928 2132 13 stars star NNS 39928 2132 14 outside outside IN 39928 2132 15 the the DT 39928 2132 16 cluster cluster NN 39928 2132 17 , , , 39928 2132 18 some some DT 39928 2132 19 of of IN 39928 2132 20 which which WDT 39928 2132 21 may may MD 39928 2132 22 revolve revolve VB 39928 2132 23 round round JJ 39928 2132 24 other other JJ 39928 2132 25 centres centre NNS 39928 2132 26 of of IN 39928 2132 27 gravity gravity NN 39928 2132 28 made make VBD 39928 2132 29 up up RP 39928 2132 30 largely largely RB 39928 2132 31 of of IN 39928 2132 32 dark dark JJ 39928 2132 33 bodies body NNS 39928 2132 34 , , , 39928 2132 35 would would MD 39928 2132 36 perhaps perhaps RB 39928 2132 37 sufficiently sufficiently RB 39928 2132 38 account account VB 39928 2132 39 for for IN 39928 2132 40 the the DT 39928 2132 41 apparent apparent JJ 39928 2132 42 random random JJ 39928 2132 43 motions motion NNS 39928 2132 44 of of IN 39928 2132 45 so so RB 39928 2132 46 many many JJ 39928 2132 47 of of IN 39928 2132 48 the the DT 39928 2132 49 stars star NNS 39928 2132 50 . . . 39928 2133 1 UNIFORM UNIFORM NNP 39928 2133 2 HEAT HEAT NNP 39928 2133 3 - - HYPH 39928 2133 4 SUPPLY supply NN 39928 2133 5 DUE DUE NNP 39928 2133 6 TO to IN 39928 2133 7 CENTRAL central JJ 39928 2133 8 POSITION position NN 39928 2133 9 We -PRON- PRP 39928 2133 10 now now RB 39928 2133 11 come come VBP 39928 2133 12 to to IN 39928 2133 13 a a DT 39928 2133 14 point point NN 39928 2133 15 of of IN 39928 2133 16 the the DT 39928 2133 17 greatest great JJS 39928 2133 18 interest interest NN 39928 2133 19 as as IN 39928 2133 20 regards regard VBZ 39928 2133 21 the the DT 39928 2133 22 problem problem NN 39928 2133 23 we -PRON- PRP 39928 2133 24 are be VBP 39928 2133 25 investigating investigate VBG 39928 2133 26 . . . 39928 2134 1 We -PRON- PRP 39928 2134 2 have have VBP 39928 2134 3 seen see VBN 39928 2134 4 how how WRB 39928 2134 5 great great JJ 39928 2134 6 is be VBZ 39928 2134 7 the the DT 39928 2134 8 difference difference NN 39928 2134 9 in in IN 39928 2134 10 the the DT 39928 2134 11 estimates estimate NNS 39928 2134 12 of of IN 39928 2134 13 geologists geologist NNS 39928 2134 14 and and CC 39928 2134 15 those those DT 39928 2134 16 of of IN 39928 2134 17 physicists physicist NNS 39928 2134 18 as as IN 39928 2134 19 to to IN 39928 2134 20 the the DT 39928 2134 21 time time NN 39928 2134 22 that that WDT 39928 2134 23 has have VBZ 39928 2134 24 elapsed elapse VBN 39928 2134 25 during during IN 39928 2134 26 the the DT 39928 2134 27 whole whole JJ 39928 2134 28 development development NN 39928 2134 29 of of IN 39928 2134 30 life life NN 39928 2134 31 . . . 39928 2135 1 But but CC 39928 2135 2 the the DT 39928 2135 3 position position NN 39928 2135 4 we -PRON- PRP 39928 2135 5 have have VBP 39928 2135 6 now now RB 39928 2135 7 found find VBN 39928 2135 8 for for IN 39928 2135 9 the the DT 39928 2135 10 sun sun NN 39928 2135 11 , , , 39928 2135 12 in in IN 39928 2135 13 the the DT 39928 2135 14 outer outer JJ 39928 2135 15 portion portion NN 39928 2135 16 of of IN 39928 2135 17 the the DT 39928 2135 18 central central JJ 39928 2135 19 star star NN 39928 2135 20 - - HYPH 39928 2135 21 cluster cluster NN 39928 2135 22 , , , 39928 2135 23 may may MD 39928 2135 24 afford afford VB 39928 2135 25 a a DT 39928 2135 26 clue clue NN 39928 2135 27 to to IN 39928 2135 28 this this DT 39928 2135 29 problem problem NN 39928 2135 30 . . . 39928 2136 1 What what WP 39928 2136 2 we -PRON- PRP 39928 2136 3 require require VBP 39928 2136 4 is be VBZ 39928 2136 5 , , , 39928 2136 6 some some DT 39928 2136 7 mode mode NN 39928 2136 8 of of IN 39928 2136 9 keeping keep VBG 39928 2136 10 up up RP 39928 2136 11 the the DT 39928 2136 12 sun sun NN 39928 2136 13 's 's POS 39928 2136 14 heat heat NN 39928 2136 15 during during IN 39928 2136 16 the the DT 39928 2136 17 enormous enormous JJ 39928 2136 18 geological geological JJ 39928 2136 19 periods period NNS 39928 2136 20 in in IN 39928 2136 21 which which WDT 39928 2136 22 we -PRON- PRP 39928 2136 23 have have VBP 39928 2136 24 evidence evidence NN 39928 2136 25 of of IN 39928 2136 26 a a DT 39928 2136 27 wonderful wonderful JJ 39928 2136 28 uniformity uniformity NN 39928 2136 29 in in IN 39928 2136 30 the the DT 39928 2136 31 earth earth NN 39928 2136 32 's 's POS 39928 2136 33 temperature temperature NN 39928 2136 34 , , , 39928 2136 35 and and CC 39928 2136 36 therefore therefore RB 39928 2136 37 in in IN 39928 2136 38 the the DT 39928 2136 39 sun sun NN 39928 2136 40 's 's POS 39928 2136 41 heat heat NN 39928 2136 42 - - HYPH 39928 2136 43 emission emission NN 39928 2136 44 . . . 39928 2137 1 The the DT 39928 2137 2 great great JJ 39928 2137 3 central central JJ 39928 2137 4 ring ring NN 39928 2137 5 - - HYPH 39928 2137 6 cluster cluster NN 39928 2137 7 with with IN 39928 2137 8 its -PRON- PRP$ 39928 2137 9 condensed condense VBN 39928 2137 10 central central JJ 39928 2137 11 mass mass NN 39928 2137 12 , , , 39928 2137 13 which which WDT 39928 2137 14 presumably presumably RB 39928 2137 15 has have VBZ 39928 2137 16 been be VBN 39928 2137 17 forming form VBG 39928 2137 18 for for IN 39928 2137 19 a a DT 39928 2137 20 much much RB 39928 2137 21 longer long JJR 39928 2137 22 period period NN 39928 2137 23 than than IN 39928 2137 24 our -PRON- PRP$ 39928 2137 25 sun sun NN 39928 2137 26 has have VBZ 39928 2137 27 been be VBN 39928 2137 28 giving give VBG 39928 2137 29 heat heat NN 39928 2137 30 to to IN 39928 2137 31 the the DT 39928 2137 32 earth earth NN 39928 2137 33 , , , 39928 2137 34 must must MD 39928 2137 35 during during IN 39928 2137 36 all all PDT 39928 2137 37 this this DT 39928 2137 38 time time NN 39928 2137 39 have have VBP 39928 2137 40 been be VBN 39928 2137 41 exerting exert VBG 39928 2137 42 a a DT 39928 2137 43 powerful powerful JJ 39928 2137 44 attraction attraction NN 39928 2137 45 on on IN 39928 2137 46 the the DT 39928 2137 47 diffused diffused JJ 39928 2137 48 matter matter NN 39928 2137 49 in in IN 39928 2137 50 the the DT 39928 2137 51 spaces space NNS 39928 2137 52 around around IN 39928 2137 53 it -PRON- PRP 39928 2137 54 , , , 39928 2137 55 now now RB 39928 2137 56 apparently apparently RB 39928 2137 57 almost almost RB 39928 2137 58 void void JJ 39928 2137 59 as as IN 39928 2137 60 compared compare VBN 39928 2137 61 with with IN 39928 2137 62 what what WP 39928 2137 63 they -PRON- PRP 39928 2137 64 may may MD 39928 2137 65 have have VB 39928 2137 66 been be VBN 39928 2137 67 . . . 39928 2138 1 Some some DT 39928 2138 2 scanty scanty NN 39928 2138 3 remnants remnant NNS 39928 2138 4 of of IN 39928 2138 5 that that DT 39928 2138 6 matter matter NN 39928 2138 7 we -PRON- PRP 39928 2138 8 see see VBP 39928 2138 9 in in IN 39928 2138 10 the the DT 39928 2138 11 numerous numerous JJ 39928 2138 12 meteoric meteoric JJ 39928 2138 13 swarms swarm NNS 39928 2138 14 which which WDT 39928 2138 15 have have VBP 39928 2138 16 been be VBN 39928 2138 17 drawn draw VBN 39928 2138 18 into into IN 39928 2138 19 our -PRON- PRP$ 39928 2138 20 system system NN 39928 2138 21 . . . 39928 2139 1 A a DT 39928 2139 2 position position NN 39928 2139 3 towards towards IN 39928 2139 4 the the DT 39928 2139 5 outside outside NN 39928 2139 6 of of IN 39928 2139 7 this this DT 39928 2139 8 central central JJ 39928 2139 9 aggregation aggregation NN 39928 2139 10 of of IN 39928 2139 11 suns suns NNPS 39928 2139 12 would would MD 39928 2139 13 evidently evidently RB 39928 2139 14 be be VB 39928 2139 15 very very RB 39928 2139 16 favourable favourable JJ 39928 2139 17 for for IN 39928 2139 18 the the DT 39928 2139 19 growth growth NN 39928 2139 20 by by IN 39928 2139 21 accretion accretion NN 39928 2139 22 of of IN 39928 2139 23 any any DT 39928 2139 24 considerable considerable JJ 39928 2139 25 mass mass NN 39928 2139 26 . . . 39928 2140 1 The the DT 39928 2140 2 enormous enormous JJ 39928 2140 3 distance distance NN 39928 2140 4 apart apart RB 39928 2140 5 of of IN 39928 2140 6 the the DT 39928 2140 7 outer outer JJ 39928 2140 8 components component NNS 39928 2140 9 ( ( -LRB- 39928 2140 10 the the DT 39928 2140 11 outer outer JJ 39928 2140 12 ring ring NN 39928 2140 13 ) ) -RRB- 39928 2140 14 of of IN 39928 2140 15 the the DT 39928 2140 16 cluster cluster NN 39928 2140 17 would would MD 39928 2140 18 allow allow VB 39928 2140 19 a a DT 39928 2140 20 large large JJ 39928 2140 21 amount amount NN 39928 2140 22 of of IN 39928 2140 23 the the DT 39928 2140 24 inflowing inflowe VBG 39928 2140 25 meteoritic meteoritic JJ 39928 2140 26 matter matter NN 39928 2140 27 to to TO 39928 2140 28 escape escape VB 39928 2140 29 them -PRON- PRP 39928 2140 30 , , , 39928 2140 31 and and CC 39928 2140 32 the the DT 39928 2140 33 larger large JJR 39928 2140 34 suns sun NNS 39928 2140 35 situated situate VBN 39928 2140 36 near near IN 39928 2140 37 the the DT 39928 2140 38 surface surface NN 39928 2140 39 of of IN 39928 2140 40 the the DT 39928 2140 41 inner inner JJ 39928 2140 42 dense dense JJ 39928 2140 43 cluster cluster NN 39928 2140 44 would would MD 39928 2140 45 draw draw VB 39928 2140 46 to to IN 39928 2140 47 themselves -PRON- PRP 39928 2140 48 the the DT 39928 2140 49 greater great JJR 39928 2140 50 part part NN 39928 2140 51 of of IN 39928 2140 52 this this DT 39928 2140 53 matter matter NN 39928 2140 54 . . . 39928 2141 1 [ [ -LRB- 39928 2141 2 23 23 CD 39928 2141 3 ] ] -RRB- 39928 2141 4 The the DT 39928 2141 5 various various JJ 39928 2141 6 planets planet NNS 39928 2141 7 of of IN 39928 2141 8 our -PRON- PRP$ 39928 2141 9 system system NN 39928 2141 10 were be VBD 39928 2141 11 no no RB 39928 2141 12 doubt doubt RB 39928 2141 13 built build VBN 39928 2141 14 up up RP 39928 2141 15 from from IN 39928 2141 16 a a DT 39928 2141 17 portion portion NN 39928 2141 18 of of IN 39928 2141 19 the the DT 39928 2141 20 matter matter NN 39928 2141 21 that that WDT 39928 2141 22 flowed flow VBD 39928 2141 23 in in RP 39928 2141 24 near near IN 39928 2141 25 the the DT 39928 2141 26 plane plane NN 39928 2141 27 of of IN 39928 2141 28 the the DT 39928 2141 29 ecliptic ecliptic JJ 39928 2141 30 , , , 39928 2141 31 but but CC 39928 2141 32 much much JJ 39928 2141 33 of of IN 39928 2141 34 that that DT 39928 2141 35 which which WDT 39928 2141 36 came come VBD 39928 2141 37 from from IN 39928 2141 38 all all DT 39928 2141 39 other other JJ 39928 2141 40 directions direction NNS 39928 2141 41 would would MD 39928 2141 42 be be VB 39928 2141 43 drawn draw VBN 39928 2141 44 towards towards IN 39928 2141 45 the the DT 39928 2141 46 sun sun NN 39928 2141 47 itself -PRON- PRP 39928 2141 48 or or CC 39928 2141 49 to to IN 39928 2141 50 its -PRON- PRP$ 39928 2141 51 neighbouring neighbouring NN 39928 2141 52 suns sun NNS 39928 2141 53 . . . 39928 2142 1 Some some DT 39928 2142 2 of of IN 39928 2142 3 this this DT 39928 2142 4 would would MD 39928 2142 5 fall fall VB 39928 2142 6 directly directly RB 39928 2142 7 into into IN 39928 2142 8 it -PRON- PRP 39928 2142 9 ; ; : 39928 2142 10 other other JJ 39928 2142 11 masses masse NNS 39928 2142 12 coming come VBG 39928 2142 13 from from IN 39928 2142 14 different different JJ 39928 2142 15 directions direction NNS 39928 2142 16 and and CC 39928 2142 17 colliding collide VBG 39928 2142 18 with with IN 39928 2142 19 each each DT 39928 2142 20 other other JJ 39928 2142 21 would would MD 39928 2142 22 have have VB 39928 2142 23 their -PRON- PRP$ 39928 2142 24 motion motion NN 39928 2142 25 checked check VBN 39928 2142 26 , , , 39928 2142 27 and and CC 39928 2142 28 thus thus RB 39928 2142 29 again again RB 39928 2142 30 fall fall VB 39928 2142 31 into into IN 39928 2142 32 the the DT 39928 2142 33 sun sun NN 39928 2142 34 ; ; : 39928 2142 35 and and CC 39928 2142 36 so so RB 39928 2142 37 long long RB 39928 2142 38 as as IN 39928 2142 39 the the DT 39928 2142 40 matter matter NN 39928 2142 41 falling fall VBG 39928 2142 42 in in IN 39928 2142 43 were be VBD 39928 2142 44 not not RB 39928 2142 45 in in IN 39928 2142 46 too too RB 39928 2142 47 large large JJ 39928 2142 48 masses masse NNS 39928 2142 49 , , , 39928 2142 50 the the DT 39928 2142 51 slow slow JJ 39928 2142 52 additions addition NNS 39928 2142 53 to to IN 39928 2142 54 the the DT 39928 2142 55 sun sun NN 39928 2142 56 's 's POS 39928 2142 57 bulk bulk NN 39928 2142 58 and and CC 39928 2142 59 increase increase NN 39928 2142 60 of of IN 39928 2142 61 its -PRON- PRP$ 39928 2142 62 heat heat NN 39928 2142 63 would would MD 39928 2142 64 be be VB 39928 2142 65 sufficiently sufficiently RB 39928 2142 66 gradual gradual JJ 39928 2142 67 to to TO 39928 2142 68 be be VB 39928 2142 69 in in IN 39928 2142 70 no no DT 39928 2142 71 way way NN 39928 2142 72 prejudicial prejudicial JJ 39928 2142 73 to to IN 39928 2142 74 a a DT 39928 2142 75 planet planet NN 39928 2142 76 at at IN 39928 2142 77 the the DT 39928 2142 78 earth earth NN 39928 2142 79 's 's POS 39928 2142 80 distance distance NN 39928 2142 81 . . . 39928 2143 1 The the DT 39928 2143 2 main main JJ 39928 2143 3 point point NN 39928 2143 4 I -PRON- PRP 39928 2143 5 wish wish VBP 39928 2143 6 to to TO 39928 2143 7 suggest suggest VB 39928 2143 8 here here RB 39928 2143 9 is be VBZ 39928 2143 10 , , , 39928 2143 11 that that IN 39928 2143 12 by by IN 39928 2143 13 far far RB 39928 2143 14 the the DT 39928 2143 15 greater great JJR 39928 2143 16 portion portion NN 39928 2143 17 of of IN 39928 2143 18 the the DT 39928 2143 19 matter matter NN 39928 2143 20 of of IN 39928 2143 21 the the DT 39928 2143 22 whole whole JJ 39928 2143 23 stellar stellar JJ 39928 2143 24 universe universe NN 39928 2143 25 has have VBZ 39928 2143 26 , , , 39928 2143 27 either either CC 39928 2143 28 through through IN 39928 2143 29 gravitation gravitation NN 39928 2143 30 or or CC 39928 2143 31 in in IN 39928 2143 32 combination combination NN 39928 2143 33 with with IN 39928 2143 34 electrical electrical JJ 39928 2143 35 forces force NNS 39928 2143 36 , , , 39928 2143 37 as as IN 39928 2143 38 suggested suggest VBN 39928 2143 39 by by IN 39928 2143 40 Mr. Mr. NNP 39928 2143 41 Whittaker Whittaker NNP 39928 2143 42 , , , 39928 2143 43 become become VB 39928 2143 44 drawn draw VBN 39928 2143 45 together together RB 39928 2143 46 into into IN 39928 2143 47 the the DT 39928 2143 48 vast vast JJ 39928 2143 49 ring ring NN 39928 2143 50 - - HYPH 39928 2143 51 formed form VBN 39928 2143 52 system system NN 39928 2143 53 of of IN 39928 2143 54 the the DT 39928 2143 55 Milky Milky NNP 39928 2143 56 Way Way NNP 39928 2143 57 , , , 39928 2143 58 which which WDT 39928 2143 59 is be VBZ 39928 2143 60 , , , 39928 2143 61 presumably presumably RB 39928 2143 62 , , , 39928 2143 63 slowly slowly RB 39928 2143 64 revolving revolving JJ 39928 2143 65 , , , 39928 2143 66 and and CC 39928 2143 67 has have VBZ 39928 2143 68 thus thus RB 39928 2143 69 been be VBN 39928 2143 70 checked check VBN 39928 2143 71 in in IN 39928 2143 72 its -PRON- PRP$ 39928 2143 73 original original JJ 39928 2143 74 inflow inflow NN 39928 2143 75 toward toward IN 39928 2143 76 the the DT 39928 2143 77 centre centre NNP 39928 2143 78 of of IN 39928 2143 79 mass mass NNP 39928 2143 80 of of IN 39928 2143 81 the the DT 39928 2143 82 stellar stellar JJ 39928 2143 83 universe universe NN 39928 2143 84 . . . 39928 2144 1 It -PRON- PRP 39928 2144 2 has have VBZ 39928 2144 3 also also RB 39928 2144 4 probably probably RB 39928 2144 5 drawn draw VBN 39928 2144 6 towards towards IN 39928 2144 7 itself -PRON- PRP 39928 2144 8 the the DT 39928 2144 9 adjacent adjacent JJ 39928 2144 10 portions portion NNS 39928 2144 11 of of IN 39928 2144 12 the the DT 39928 2144 13 scattered scatter VBN 39928 2144 14 material material NN 39928 2144 15 in in IN 39928 2144 16 the the DT 39928 2144 17 spaces space NNS 39928 2144 18 around around IN 39928 2144 19 it -PRON- PRP 39928 2144 20 in in IN 39928 2144 21 all all DT 39928 2144 22 directions direction NNS 39928 2144 23 . . . 39928 2145 1 Had have VBD 39928 2145 2 the the DT 39928 2145 3 vast vast JJ 39928 2145 4 mass mass NN 39928 2145 5 of of IN 39928 2145 6 matter matter NN 39928 2145 7 postulated postulate VBN 39928 2145 8 by by IN 39928 2145 9 Lord Lord NNP 39928 2145 10 Kelvin Kelvin NNP 39928 2145 11 acquired acquire VBD 39928 2145 12 no no DT 39928 2145 13 motion motion NN 39928 2145 14 of of IN 39928 2145 15 revolution revolution NN 39928 2145 16 , , , 39928 2145 17 but but CC 39928 2145 18 have have VBP 39928 2145 19 fallen fall VBN 39928 2145 20 continuously continuously RB 39928 2145 21 towards towards IN 39928 2145 22 the the DT 39928 2145 23 centre centre NN 39928 2145 24 of of IN 39928 2145 25 mass mass NNP 39928 2145 26 , , , 39928 2145 27 the the DT 39928 2145 28 motions motion NNS 39928 2145 29 developed develop VBD 39928 2145 30 when when WRB 39928 2145 31 the the DT 39928 2145 32 more more RBR 39928 2145 33 distant distant JJ 39928 2145 34 bodies body NNS 39928 2145 35 approached approach VBD 39928 2145 36 that that IN 39928 2145 37 centre centre NN 39928 2145 38 would would MD 39928 2145 39 have have VB 39928 2145 40 been be VBN 39928 2145 41 extremely extremely RB 39928 2145 42 rapid rapid JJ 39928 2145 43 ; ; : 39928 2145 44 while while IN 39928 2145 45 , , , 39928 2145 46 as as IN 39928 2145 47 they -PRON- PRP 39928 2145 48 must must MD 39928 2145 49 have have VB 39928 2145 50 fallen fall VBN 39928 2145 51 in in RP 39928 2145 52 from from IN 39928 2145 53 every every DT 39928 2145 54 direction direction NN 39928 2145 55 , , , 39928 2145 56 they -PRON- PRP 39928 2145 57 would would MD 39928 2145 58 have have VB 39928 2145 59 become become VBN 39928 2145 60 more more RBR 39928 2145 61 and and CC 39928 2145 62 more more RBR 39928 2145 63 densely densely RB 39928 2145 64 aggregated aggregate VBN 39928 2145 65 , , , 39928 2145 66 and and CC 39928 2145 67 collisions collision NNS 39928 2145 68 of of IN 39928 2145 69 the the DT 39928 2145 70 most most RBS 39928 2145 71 catastrophic catastrophic JJ 39928 2145 72 nature nature NN 39928 2145 73 would would MD 39928 2145 74 frequently frequently RB 39928 2145 75 have have VB 39928 2145 76 occurred occur VBN 39928 2145 77 , , , 39928 2145 78 and and CC 39928 2145 79 this this DT 39928 2145 80 would would MD 39928 2145 81 have have VB 39928 2145 82 rendered render VBN 39928 2145 83 the the DT 39928 2145 84 central central JJ 39928 2145 85 portion portion NN 39928 2145 86 of of IN 39928 2145 87 the the DT 39928 2145 88 universe universe NN 39928 2145 89 the the DT 39928 2145 90 _ _ NNP 39928 2145 91 least least JJS 39928 2145 92 _ _ NNP 39928 2145 93 stable stable NN 39928 2145 94 and and CC 39928 2145 95 the the DT 39928 2145 96 _ _ NNP 39928 2145 97 least least JJS 39928 2145 98 _ _ NNP 39928 2145 99 fitted fit VBD 39928 2145 100 to to TO 39928 2145 101 develop develop VB 39928 2145 102 life life NN 39928 2145 103 . . . 39928 2146 1 But but CC 39928 2146 2 , , , 39928 2146 3 under under IN 39928 2146 4 the the DT 39928 2146 5 conditions condition NNS 39928 2146 6 that that WDT 39928 2146 7 actually actually RB 39928 2146 8 prevail prevail VBP 39928 2146 9 , , , 39928 2146 10 the the DT 39928 2146 11 very very RB 39928 2146 12 reverse reverse NN 39928 2146 13 is be VBZ 39928 2146 14 the the DT 39928 2146 15 case case NN 39928 2146 16 . . . 39928 2147 1 The the DT 39928 2147 2 quantity quantity NN 39928 2147 3 of of IN 39928 2147 4 matter matter NN 39928 2147 5 remaining remain VBG 39928 2147 6 between between IN 39928 2147 7 our -PRON- PRP$ 39928 2147 8 cluster cluster NN 39928 2147 9 and and CC 39928 2147 10 the the DT 39928 2147 11 Milky Milky NNP 39928 2147 12 Way Way NNP 39928 2147 13 being be VBG 39928 2147 14 comparatively comparatively RB 39928 2147 15 small small JJ 39928 2147 16 , , , 39928 2147 17 the the DT 39928 2147 18 aggregation aggregation NN 39928 2147 19 into into IN 39928 2147 20 suns sun NNS 39928 2147 21 has have VBZ 39928 2147 22 gone go VBN 39928 2147 23 on on RP 39928 2147 24 more more RBR 39928 2147 25 regularly regularly RB 39928 2147 26 and and CC 39928 2147 27 more more RBR 39928 2147 28 slowly slowly RB 39928 2147 29 . . . 39928 2148 1 The the DT 39928 2148 2 motions motion NNS 39928 2148 3 acquired acquire VBN 39928 2148 4 by by IN 39928 2148 5 our -PRON- PRP$ 39928 2148 6 sun sun NN 39928 2148 7 and and CC 39928 2148 8 its -PRON- PRP$ 39928 2148 9 neighbours neighbour NNS 39928 2148 10 have have VBP 39928 2148 11 been be VBN 39928 2148 12 rendered render VBN 39928 2148 13 moderate moderate JJ 39928 2148 14 by by IN 39928 2148 15 two two CD 39928 2148 16 causes cause NNS 39928 2148 17 : : : 39928 2148 18 ( ( -LRB- 39928 2148 19 1 1 LS 39928 2148 20 ) ) -RRB- 39928 2148 21 their -PRON- PRP$ 39928 2148 22 nearness nearness NN 39928 2148 23 to to IN 39928 2148 24 the the DT 39928 2148 25 centre centre NN 39928 2148 26 of of IN 39928 2148 27 the the DT 39928 2148 28 very very RB 39928 2148 29 slowly slowly RB 39928 2148 30 aggregating aggregate VBG 39928 2148 31 cluster cluster NN 39928 2148 32 where where WRB 39928 2148 33 the the DT 39928 2148 34 motion motion NN 39928 2148 35 due due IN 39928 2148 36 to to IN 39928 2148 37 gravitation gravitation NN 39928 2148 38 is be VBZ 39928 2148 39 least least JJS 39928 2148 40 in in IN 39928 2148 41 amount amount NN 39928 2148 42 ; ; , 39928 2148 43 and and CC 39928 2148 44 ( ( -LRB- 39928 2148 45 2 2 LS 39928 2148 46 ) ) -RRB- 39928 2148 47 the the DT 39928 2148 48 slight slight JJ 39928 2148 49 differential differential NN 39928 2148 50 attraction attraction NN 39928 2148 51 away away RB 39928 2148 52 from from IN 39928 2148 53 the the DT 39928 2148 54 centre centre NN 39928 2148 55 by by IN 39928 2148 56 the the DT 39928 2148 57 Milky Milky NNP 39928 2148 58 Way Way NNP 39928 2148 59 on on IN 39928 2148 60 the the DT 39928 2148 61 side side NN 39928 2148 62 nearest nearest RB 39928 2148 63 to to IN 39928 2148 64 us -PRON- PRP 39928 2148 65 . . . 39928 2149 1 Again again RB 39928 2149 2 , , , 39928 2149 3 this this DT 39928 2149 4 protective protective JJ 39928 2149 5 action action NN 39928 2149 6 of of IN 39928 2149 7 the the DT 39928 2149 8 Milky Milky NNP 39928 2149 9 Way Way NNP 39928 2149 10 has have VBZ 39928 2149 11 been be VBN 39928 2149 12 repeated repeat VBN 39928 2149 13 , , , 39928 2149 14 on on IN 39928 2149 15 a a DT 39928 2149 16 smaller small JJR 39928 2149 17 scale scale NN 39928 2149 18 , , , 39928 2149 19 by by IN 39928 2149 20 the the DT 39928 2149 21 formation formation NN 39928 2149 22 of of IN 39928 2149 23 the the DT 39928 2149 24 outer outer JJ 39928 2149 25 ring ring NN 39928 2149 26 of of IN 39928 2149 27 the the DT 39928 2149 28 solar solar JJ 39928 2149 29 cluster cluster NN 39928 2149 30 , , , 39928 2149 31 which which WDT 39928 2149 32 has have VBZ 39928 2149 33 thus thus RB 39928 2149 34 preserved preserve VBN 39928 2149 35 the the DT 39928 2149 36 inner inner JJ 39928 2149 37 central central JJ 39928 2149 38 cluster cluster NN 39928 2149 39 itself -PRON- PRP 39928 2149 40 from from IN 39928 2149 41 a a DT 39928 2149 42 too too RB 39928 2149 43 abundant abundant JJ 39928 2149 44 direct direct JJ 39928 2149 45 inflow inflow NN 39928 2149 46 of of IN 39928 2149 47 large large JJ 39928 2149 48 masses masse NNS 39928 2149 49 of of IN 39928 2149 50 matter matter NN 39928 2149 51 . . . 39928 2150 1 But but CC 39928 2150 2 although although IN 39928 2150 3 the the DT 39928 2150 4 matter matter NN 39928 2150 5 composing compose VBG 39928 2150 6 the the DT 39928 2150 7 outer outer JJ 39928 2150 8 portion portion NN 39928 2150 9 of of IN 39928 2150 10 the the DT 39928 2150 11 original original JJ 39928 2150 12 universe universe NN 39928 2150 13 has have VBZ 39928 2150 14 been be VBN 39928 2150 15 to to IN 39928 2150 16 a a DT 39928 2150 17 large large JJ 39928 2150 18 extent extent NN 39928 2150 19 aggregated aggregate VBN 39928 2150 20 into into IN 39928 2150 21 the the DT 39928 2150 22 vast vast JJ 39928 2150 23 system system NN 39928 2150 24 of of IN 39928 2150 25 the the DT 39928 2150 26 Milky Milky NNP 39928 2150 27 Way Way NNP 39928 2150 28 , , , 39928 2150 29 it -PRON- PRP 39928 2150 30 seems seem VBZ 39928 2150 31 probable probable JJ 39928 2150 32 , , , 39928 2150 33 perhaps perhaps RB 39928 2150 34 even even RB 39928 2150 35 certain certain JJ 39928 2150 36 , , , 39928 2150 37 that that IN 39928 2150 38 some some DT 39928 2150 39 portion portion NN 39928 2150 40 would would MD 39928 2150 41 escape escape VB 39928 2150 42 its -PRON- PRP$ 39928 2150 43 attractive attractive JJ 39928 2150 44 forces force NNS 39928 2150 45 and and CC 39928 2150 46 would would MD 39928 2150 47 pass pass VB 39928 2150 48 through through IN 39928 2150 49 its -PRON- PRP$ 39928 2150 50 numerous numerous JJ 39928 2150 51 open open JJ 39928 2150 52 spaces space NNS 39928 2150 53 -- -- : 39928 2150 54 indicated indicate VBN 39928 2150 55 by by IN 39928 2150 56 the the DT 39928 2150 57 dark dark JJ 39928 2150 58 rifts rift NNS 39928 2150 59 , , , 39928 2150 60 channels channel NNS 39928 2150 61 , , , 39928 2150 62 and and CC 39928 2150 63 patches patch NNS 39928 2150 64 , , , 39928 2150 65 as as IN 39928 2150 66 already already RB 39928 2150 67 described describe VBN 39928 2150 68 -- -- : 39928 2150 69 and and CC 39928 2150 70 thus thus RB 39928 2150 71 flow flow VB 39928 2150 72 on on IN 39928 2150 73 unchecked unchecked JJ 39928 2150 74 towards towards IN 39928 2150 75 the the DT 39928 2150 76 centre centre NN 39928 2150 77 of of IN 39928 2150 78 mass mass NN 39928 2150 79 of of IN 39928 2150 80 the the DT 39928 2150 81 whole whole JJ 39928 2150 82 system system NN 39928 2150 83 . . . 39928 2151 1 The the DT 39928 2151 2 quantity quantity NN 39928 2151 3 of of IN 39928 2151 4 matter matter NN 39928 2151 5 thus thus RB 39928 2151 6 reaching reach VBG 39928 2151 7 the the DT 39928 2151 8 central central JJ 39928 2151 9 cluster cluster NN 39928 2151 10 from from IN 39928 2151 11 the the DT 39928 2151 12 enormously enormously RB 39928 2151 13 remote remote JJ 39928 2151 14 spaces space NNS 39928 2151 15 beyond beyond IN 39928 2151 16 the the DT 39928 2151 17 Milky Milky NNP 39928 2151 18 Way Way NNP 39928 2151 19 might may MD 39928 2151 20 be be VB 39928 2151 21 very very RB 39928 2151 22 small small JJ 39928 2151 23 in in IN 39928 2151 24 comparison comparison NN 39928 2151 25 with with IN 39928 2151 26 what what WP 39928 2151 27 was be VBD 39928 2151 28 retained retain VBN 39928 2151 29 to to TO 39928 2151 30 build build VB 39928 2151 31 up up RP 39928 2151 32 that that DT 39928 2151 33 wonderful wonderful JJ 39928 2151 34 star star NN 39928 2151 35 - - HYPH 39928 2151 36 system system NN 39928 2151 37 ; ; : 39928 2151 38 but but CC 39928 2151 39 it -PRON- PRP 39928 2151 40 might may MD 39928 2151 41 yet yet RB 39928 2151 42 be be VB 39928 2151 43 so so RB 39928 2151 44 large large JJ 39928 2151 45 in in IN 39928 2151 46 total total JJ 39928 2151 47 amount amount NN 39928 2151 48 as as IN 39928 2151 49 to to TO 39928 2151 50 play play VB 39928 2151 51 an an DT 39928 2151 52 important important JJ 39928 2151 53 part part NN 39928 2151 54 in in IN 39928 2151 55 the the DT 39928 2151 56 formation formation NN 39928 2151 57 of of IN 39928 2151 58 the the DT 39928 2151 59 central central JJ 39928 2151 60 group group NN 39928 2151 61 of of IN 39928 2151 62 suns suns NNPS 39928 2151 63 . . . 39928 2152 1 It -PRON- PRP 39928 2152 2 would would MD 39928 2152 3 probably probably RB 39928 2152 4 flow flow VB 39928 2152 5 inwards inward NNS 39928 2152 6 almost almost RB 39928 2152 7 continuously continuously RB 39928 2152 8 , , , 39928 2152 9 and and CC 39928 2152 10 when when WRB 39928 2152 11 it -PRON- PRP 39928 2152 12 ultimately ultimately RB 39928 2152 13 reached reach VBD 39928 2152 14 the the DT 39928 2152 15 solar solar JJ 39928 2152 16 cluster cluster NN 39928 2152 17 , , , 39928 2152 18 it -PRON- PRP 39928 2152 19 would would MD 39928 2152 20 have have VB 39928 2152 21 attained attain VBN 39928 2152 22 a a DT 39928 2152 23 very very RB 39928 2152 24 high high JJ 39928 2152 25 velocity velocity NN 39928 2152 26 . . . 39928 2153 1 If if IN 39928 2153 2 , , , 39928 2153 3 therefore therefore RB 39928 2153 4 , , , 39928 2153 5 it -PRON- PRP 39928 2153 6 were be VBD 39928 2153 7 widely widely RB 39928 2153 8 diffused diffuse VBN 39928 2153 9 , , , 39928 2153 10 and and CC 39928 2153 11 consisted consist VBD 39928 2153 12 of of IN 39928 2153 13 masses masse NNS 39928 2153 14 of of IN 39928 2153 15 small small JJ 39928 2153 16 or or CC 39928 2153 17 moderate moderate JJ 39928 2153 18 size size NN 39928 2153 19 as as IN 39928 2153 20 compared compare VBN 39928 2153 21 with with IN 39928 2153 22 planets planet NNS 39928 2153 23 or or CC 39928 2153 24 stars star NNS 39928 2153 25 , , , 39928 2153 26 it -PRON- PRP 39928 2153 27 would would MD 39928 2153 28 furnish furnish VB 39928 2153 29 the the DT 39928 2153 30 energy energy NN 39928 2153 31 requisite requisite JJ 39928 2153 32 for for IN 39928 2153 33 bringing bring VBG 39928 2153 34 these these DT 39928 2153 35 slowly slowly RB 39928 2153 36 aggregating aggregate VBG 39928 2153 37 stars star NNS 39928 2153 38 to to IN 39928 2153 39 the the DT 39928 2153 40 required require VBN 39928 2153 41 intensity intensity NN 39928 2153 42 of of IN 39928 2153 43 heat heat NN 39928 2153 44 for for IN 39928 2153 45 forming form VBG 39928 2153 46 luminous luminous JJ 39928 2153 47 suns sun NNS 39928 2153 48 . . . 39928 2154 1 Here here RB 39928 2154 2 , , , 39928 2154 3 then then RB 39928 2154 4 , , , 39928 2154 5 I -PRON- PRP 39928 2154 6 think think VBP 39928 2154 7 , , , 39928 2154 8 we -PRON- PRP 39928 2154 9 have have VBP 39928 2154 10 found find VBN 39928 2154 11 an an DT 39928 2154 12 adequate adequate JJ 39928 2154 13 explanation explanation NN 39928 2154 14 of of IN 39928 2154 15 the the DT 39928 2154 16 very very RB 39928 2154 17 long long RB 39928 2154 18 - - HYPH 39928 2154 19 continued continue VBN 39928 2154 20 light light NN 39928 2154 21 and and CC 39928 2154 22 heat heat NN 39928 2154 23 - - HYPH 39928 2154 24 emitting emit VBG 39928 2154 25 capacity capacity NN 39928 2154 26 of of IN 39928 2154 27 our -PRON- PRP$ 39928 2154 28 sun sun NN 39928 2154 29 , , , 39928 2154 30 and and CC 39928 2154 31 probably probably RB 39928 2154 32 of of IN 39928 2154 33 many many JJ 39928 2154 34 others other NNS 39928 2154 35 in in IN 39928 2154 36 about about IN 39928 2154 37 the the DT 39928 2154 38 same same JJ 39928 2154 39 position position NN 39928 2154 40 in in IN 39928 2154 41 the the DT 39928 2154 42 solar solar JJ 39928 2154 43 cluster cluster NN 39928 2154 44 . . . 39928 2155 1 These these DT 39928 2155 2 would would MD 39928 2155 3 at at IN 39928 2155 4 first first RB 39928 2155 5 gradually gradually RB 39928 2155 6 aggregate aggregate VB 39928 2155 7 into into IN 39928 2155 8 considerable considerable JJ 39928 2155 9 masses masse NNS 39928 2155 10 from from IN 39928 2155 11 the the DT 39928 2155 12 slowly slowly RB 39928 2155 13 moving move VBG 39928 2155 14 diffused diffuse VBN 39928 2155 15 matter matter NN 39928 2155 16 of of IN 39928 2155 17 the the DT 39928 2155 18 central central JJ 39928 2155 19 portions portion NNS 39928 2155 20 of of IN 39928 2155 21 the the DT 39928 2155 22 original original JJ 39928 2155 23 universe universe NN 39928 2155 24 ; ; , 39928 2155 25 but but CC 39928 2155 26 at at IN 39928 2155 27 a a DT 39928 2155 28 later later JJ 39928 2155 29 period period NN 39928 2155 30 they -PRON- PRP 39928 2155 31 would would MD 39928 2155 32 be be VB 39928 2155 33 reinforced reinforce VBN 39928 2155 34 by by IN 39928 2155 35 a a DT 39928 2155 36 constant constant JJ 39928 2155 37 and and CC 39928 2155 38 steady steady JJ 39928 2155 39 inrush inrush NN 39928 2155 40 of of IN 39928 2155 41 matter matter NN 39928 2155 42 from from IN 39928 2155 43 its -PRON- PRP$ 39928 2155 44 very very RB 39928 2155 45 outer outer JJ 39928 2155 46 regions region NNS 39928 2155 47 , , , 39928 2155 48 and and CC 39928 2155 49 therefore therefore RB 39928 2155 50 possessing possess VBG 39928 2155 51 such such JJ 39928 2155 52 high high JJ 39928 2155 53 velocities velocity NNS 39928 2155 54 as as IN 39928 2155 55 to to TO 39928 2155 56 materially materially RB 39928 2155 57 aid aid VB 39928 2155 58 in in IN 39928 2155 59 producing produce VBG 39928 2155 60 and and CC 39928 2155 61 maintaining maintain VBG 39928 2155 62 the the DT 39928 2155 63 requisite requisite JJ 39928 2155 64 temperature temperature NN 39928 2155 65 of of IN 39928 2155 66 a a DT 39928 2155 67 sun sun NN 39928 2155 68 such such JJ 39928 2155 69 as as IN 39928 2155 70 ours our NNS 39928 2155 71 , , , 39928 2155 72 during during IN 39928 2155 73 the the DT 39928 2155 74 long long JJ 39928 2155 75 periods period NNS 39928 2155 76 demanded demand VBD 39928 2155 77 for for IN 39928 2155 78 continuous continuous JJ 39928 2155 79 life life NN 39928 2155 80 - - HYPH 39928 2155 81 development development NN 39928 2155 82 . . . 39928 2156 1 The the DT 39928 2156 2 enormous enormous JJ 39928 2156 3 extension extension NN 39928 2156 4 and and CC 39928 2156 5 mass mass NN 39928 2156 6 of of IN 39928 2156 7 the the DT 39928 2156 8 original original JJ 39928 2156 9 universe universe NN 39928 2156 10 of of IN 39928 2156 11 diffused diffused JJ 39928 2156 12 matter matter NN 39928 2156 13 ( ( -LRB- 39928 2156 14 as as IN 39928 2156 15 postulated postulate VBN 39928 2156 16 by by IN 39928 2156 17 Lord Lord NNP 39928 2156 18 Kelvin Kelvin NNP 39928 2156 19 ) ) -RRB- 39928 2156 20 is be VBZ 39928 2156 21 thus thus RB 39928 2156 22 seen see VBN 39928 2156 23 to to TO 39928 2156 24 be be VB 39928 2156 25 of of IN 39928 2156 26 the the DT 39928 2156 27 greatest great JJS 39928 2156 28 importance importance NN 39928 2156 29 as as IN 39928 2156 30 regards regard VBZ 39928 2156 31 this this DT 39928 2156 32 ultimate ultimate JJ 39928 2156 33 product product NN 39928 2156 34 of of IN 39928 2156 35 evolution evolution NN 39928 2156 36 , , , 39928 2156 37 because because IN 39928 2156 38 , , , 39928 2156 39 without without IN 39928 2156 40 it -PRON- PRP 39928 2156 41 , , , 39928 2156 42 the the DT 39928 2156 43 comparatively comparatively RB 39928 2156 44 slow slow RB 39928 2156 45 - - HYPH 39928 2156 46 moving moving JJ 39928 2156 47 and and CC 39928 2156 48 cool cool JJ 39928 2156 49 central central JJ 39928 2156 50 regions region NNS 39928 2156 51 might may MD 39928 2156 52 not not RB 39928 2156 53 have have VB 39928 2156 54 been be VBN 39928 2156 55 able able JJ 39928 2156 56 to to TO 39928 2156 57 produce produce VB 39928 2156 58 and and CC 39928 2156 59 maintain maintain VB 39928 2156 60 the the DT 39928 2156 61 requisite requisite JJ 39928 2156 62 energy energy NN 39928 2156 63 in in IN 39928 2156 64 the the DT 39928 2156 65 form form NN 39928 2156 66 of of IN 39928 2156 67 heat heat NN 39928 2156 68 ; ; : 39928 2156 69 while while IN 39928 2156 70 the the DT 39928 2156 71 aggregation aggregation NN 39928 2156 72 of of IN 39928 2156 73 by by IN 39928 2156 74 far far RB 39928 2156 75 the the DT 39928 2156 76 larger large JJR 39928 2156 77 portion portion NN 39928 2156 78 of of IN 39928 2156 79 its -PRON- PRP$ 39928 2156 80 matter matter NN 39928 2156 81 in in IN 39928 2156 82 the the DT 39928 2156 83 great great JJ 39928 2156 84 revolving revolving JJ 39928 2156 85 ring ring NN 39928 2156 86 of of IN 39928 2156 87 the the DT 39928 2156 88 galaxy galaxy NN 39928 2156 89 was be VBD 39928 2156 90 equally equally RB 39928 2156 91 important important JJ 39928 2156 92 , , , 39928 2156 93 in in IN 39928 2156 94 order order NN 39928 2156 95 to to TO 39928 2156 96 prevent prevent VB 39928 2156 97 the the DT 39928 2156 98 too too RB 39928 2156 99 great great JJ 39928 2156 100 and and CC 39928 2156 101 too too RB 39928 2156 102 rapid rapid JJ 39928 2156 103 inflow inflow NN 39928 2156 104 of of IN 39928 2156 105 matter matter NN 39928 2156 106 to to IN 39928 2156 107 these these DT 39928 2156 108 favoured favour VBN 39928 2156 109 regions region NNS 39928 2156 110 . . . 39928 2157 1 It -PRON- PRP 39928 2157 2 appears appear VBZ 39928 2157 3 , , , 39928 2157 4 then then RB 39928 2157 5 , , , 39928 2157 6 that that IN 39928 2157 7 if if IN 39928 2157 8 we -PRON- PRP 39928 2157 9 admit admit VBP 39928 2157 10 as as IN 39928 2157 11 probable probable JJ 39928 2157 12 some some DT 39928 2157 13 such such JJ 39928 2157 14 process process NN 39928 2157 15 of of IN 39928 2157 16 development development NN 39928 2157 17 as as IN 39928 2157 18 I -PRON- PRP 39928 2157 19 have have VBP 39928 2157 20 here here RB 39928 2157 21 indicated indicate VBN 39928 2157 22 , , , 39928 2157 23 we -PRON- PRP 39928 2157 24 can can MD 39928 2157 25 dimly dimly RB 39928 2157 26 see see VB 39928 2157 27 the the DT 39928 2157 28 bearing bearing NN 39928 2157 29 of of IN 39928 2157 30 all all PDT 39928 2157 31 the the DT 39928 2157 32 great great JJ 39928 2157 33 features feature NNS 39928 2157 34 of of IN 39928 2157 35 the the DT 39928 2157 36 stellar stellar JJ 39928 2157 37 universe universe NN 39928 2157 38 upon upon IN 39928 2157 39 the the DT 39928 2157 40 successful successful JJ 39928 2157 41 development development NN 39928 2157 42 of of IN 39928 2157 43 life life NN 39928 2157 44 . . . 39928 2158 1 These these DT 39928 2158 2 are be VBP 39928 2158 3 , , , 39928 2158 4 its -PRON- PRP$ 39928 2158 5 vast vast JJ 39928 2158 6 dimensions dimension NNS 39928 2158 7 ; ; : 39928 2158 8 the the DT 39928 2158 9 form form NN 39928 2158 10 it -PRON- PRP 39928 2158 11 has have VBZ 39928 2158 12 acquired acquire VBN 39928 2158 13 in in IN 39928 2158 14 the the DT 39928 2158 15 mighty mighty JJ 39928 2158 16 ring ring NN 39928 2158 17 of of IN 39928 2158 18 the the DT 39928 2158 19 Milky Milky NNP 39928 2158 20 Way Way NNP 39928 2158 21 ; ; : 39928 2158 22 and and CC 39928 2158 23 our -PRON- PRP$ 39928 2158 24 position position NN 39928 2158 25 near near IN 39928 2158 26 to to IN 39928 2158 27 , , , 39928 2158 28 but but CC 39928 2158 29 not not RB 39928 2158 30 exactly exactly RB 39928 2158 31 in in RB 39928 2158 32 , , , 39928 2158 33 its -PRON- PRP$ 39928 2158 34 centre centre NN 39928 2158 35 . . . 39928 2159 1 We -PRON- PRP 39928 2159 2 know know VBP 39928 2159 3 that that IN 39928 2159 4 the the DT 39928 2159 5 star star NN 39928 2159 6 - - HYPH 39928 2159 7 system system NN 39928 2159 8 _ _ NNP 39928 2159 9 has have VBZ 39928 2159 10 _ _ NNP 39928 2159 11 acquired acquire VBD 39928 2159 12 these these DT 39928 2159 13 forms form NNS 39928 2159 14 , , , 39928 2159 15 presumably presumably RB 39928 2159 16 from from IN 39928 2159 17 some some DT 39928 2159 18 simple simple JJ 39928 2159 19 and and CC 39928 2159 20 more more JJR 39928 2159 21 diffused diffused JJ 39928 2159 22 condition condition NN 39928 2159 23 . . . 39928 2160 1 We -PRON- PRP 39928 2160 2 know know VBP 39928 2160 3 that that IN 39928 2160 4 we -PRON- PRP 39928 2160 5 _ _ NNP 39928 2160 6 are be VBP 39928 2160 7 _ _ NNP 39928 2160 8 situated situate VBN 39928 2160 9 near near IN 39928 2160 10 the the DT 39928 2160 11 centre centre NN 39928 2160 12 of of IN 39928 2160 13 this this DT 39928 2160 14 vast vast JJ 39928 2160 15 system system NN 39928 2160 16 . . . 39928 2161 1 We -PRON- PRP 39928 2161 2 know know VBP 39928 2161 3 that that IN 39928 2161 4 our -PRON- PRP$ 39928 2161 5 sun sun NN 39928 2161 6 _ _ NNP 39928 2161 7 has have VBZ 39928 2161 8 _ _ NNP 39928 2161 9 emitted emit VBN 39928 2161 10 light light NN 39928 2161 11 and and CC 39928 2161 12 heat heat NN 39928 2161 13 , , , 39928 2161 14 almost almost RB 39928 2161 15 uniformly uniformly JJ 39928 2161 16 , , , 39928 2161 17 for for IN 39928 2161 18 periods period NNS 39928 2161 19 incompatible incompatible JJ 39928 2161 20 with with IN 39928 2161 21 rapid rapid JJ 39928 2161 22 aggregation aggregation NN 39928 2161 23 and and CC 39928 2161 24 the the DT 39928 2161 25 equally equally RB 39928 2161 26 rapid rapid JJ 39928 2161 27 cooling cooling NN 39928 2161 28 which which WDT 39928 2161 29 physicists physicist NNS 39928 2161 30 consider consider VBP 39928 2161 31 inevitable inevitable JJ 39928 2161 32 . . . 39928 2162 1 I -PRON- PRP 39928 2162 2 have have VBP 39928 2162 3 here here RB 39928 2162 4 suggested suggest VBN 39928 2162 5 a a DT 39928 2162 6 mode mode NN 39928 2162 7 of of IN 39928 2162 8 development development NN 39928 2162 9 which which WDT 39928 2162 10 would would MD 39928 2162 11 lead lead VB 39928 2162 12 to to IN 39928 2162 13 a a DT 39928 2162 14 very very RB 39928 2162 15 slow slow JJ 39928 2162 16 but but CC 39928 2162 17 continuous continuous JJ 39928 2162 18 growth growth NN 39928 2162 19 of of IN 39928 2162 20 the the DT 39928 2162 21 more more RBR 39928 2162 22 central central JJ 39928 2162 23 suns sun NNS 39928 2162 24 ; ; : 39928 2162 25 to to IN 39928 2162 26 an an DT 39928 2162 27 excessively excessively RB 39928 2162 28 long long JJ 39928 2162 29 period period NN 39928 2162 30 of of IN 39928 2162 31 nearly nearly RB 39928 2162 32 stationary stationary JJ 39928 2162 33 heat heat NN 39928 2162 34 - - HYPH 39928 2162 35 giving give VBG 39928 2162 36 power power NN 39928 2162 37 ; ; : 39928 2162 38 and and CC 39928 2162 39 lastly lastly RB 39928 2162 40 , , , 39928 2162 41 an an DT 39928 2162 42 equally equally RB 39928 2162 43 long long JJ 39928 2162 44 period period NN 39928 2162 45 of of IN 39928 2162 46 very very RB 39928 2162 47 gradual gradual JJ 39928 2162 48 cooling cooling NN 39928 2162 49 -- -- : 39928 2162 50 a a DT 39928 2162 51 period period NN 39928 2162 52 the the DT 39928 2162 53 commencement commencement NN 39928 2162 54 of of IN 39928 2162 55 which which WDT 39928 2162 56 our -PRON- PRP$ 39928 2162 57 sun sun NN 39928 2162 58 may may MD 39928 2162 59 have have VB 39928 2162 60 just just RB 39928 2162 61 entered enter VBN 39928 2162 62 upon upon IN 39928 2162 63 . . . 39928 2163 1 Descending descend VBG 39928 2163 2 now now RB 39928 2163 3 to to IN 39928 2163 4 terrestrial terrestrial JJ 39928 2163 5 physics physics NN 39928 2163 6 , , , 39928 2163 7 I -PRON- PRP 39928 2163 8 have have VBP 39928 2163 9 shown show VBN 39928 2163 10 that that IN 39928 2163 11 , , , 39928 2163 12 owing owe VBG 39928 2163 13 to to IN 39928 2163 14 the the DT 39928 2163 15 highly highly RB 39928 2163 16 complex complex JJ 39928 2163 17 nature nature NN 39928 2163 18 of of IN 39928 2163 19 the the DT 39928 2163 20 adjustments adjustment NNS 39928 2163 21 required require VBN 39928 2163 22 to to TO 39928 2163 23 render render VB 39928 2163 24 a a DT 39928 2163 25 world world NN 39928 2163 26 habitable habitable JJ 39928 2163 27 and and CC 39928 2163 28 to to TO 39928 2163 29 retain retain VB 39928 2163 30 its -PRON- PRP$ 39928 2163 31 habitability habitability NN 39928 2163 32 during during IN 39928 2163 33 the the DT 39928 2163 34 æons æon NNS 39928 2163 35 of of IN 39928 2163 36 time time NN 39928 2163 37 requisite requisite JJ 39928 2163 38 for for IN 39928 2163 39 life life NN 39928 2163 40 - - HYPH 39928 2163 41 development development NN 39928 2163 42 , , , 39928 2163 43 it -PRON- PRP 39928 2163 44 is be VBZ 39928 2163 45 in in IN 39928 2163 46 the the DT 39928 2163 47 highest high JJS 39928 2163 48 degree degree NN 39928 2163 49 improbable improbable JJ 39928 2163 50 that that IN 39928 2163 51 the the DT 39928 2163 52 required require VBN 39928 2163 53 conditions condition NNS 39928 2163 54 and and CC 39928 2163 55 adaptations adaptation NNS 39928 2163 56 should should MD 39928 2163 57 have have VB 39928 2163 58 occurred occur VBN 39928 2163 59 in in IN 39928 2163 60 any any DT 39928 2163 61 other other JJ 39928 2163 62 planets planet NNS 39928 2163 63 of of IN 39928 2163 64 any any DT 39928 2163 65 other other JJ 39928 2163 66 suns sun NNS 39928 2163 67 , , , 39928 2163 68 which which WDT 39928 2163 69 _ _ NNP 39928 2163 70 might may MD 39928 2163 71 _ _ NNP 39928 2163 72 occupy occupy VB 39928 2163 73 an an DT 39928 2163 74 equally equally RB 39928 2163 75 favourable favourable JJ 39928 2163 76 position position NN 39928 2163 77 with with IN 39928 2163 78 our -PRON- PRP$ 39928 2163 79 own own JJ 39928 2163 80 , , , 39928 2163 81 and and CC 39928 2163 82 which which WDT 39928 2163 83 were be VBD 39928 2163 84 of of IN 39928 2163 85 the the DT 39928 2163 86 requisite requisite JJ 39928 2163 87 size size NN 39928 2163 88 and and CC 39928 2163 89 heat heat NN 39928 2163 90 - - HYPH 39928 2163 91 giving give VBG 39928 2163 92 power power NN 39928 2163 93 . . . 39928 2164 1 Lastly lastly RB 39928 2164 2 , , , 39928 2164 3 I -PRON- PRP 39928 2164 4 submit submit VBP 39928 2164 5 that that IN 39928 2164 6 the the DT 39928 2164 7 whole whole NN 39928 2164 8 of of IN 39928 2164 9 the the DT 39928 2164 10 evidence evidence NN 39928 2164 11 I -PRON- PRP 39928 2164 12 have have VBP 39928 2164 13 here here RB 39928 2164 14 brought bring VBN 39928 2164 15 together together RB 39928 2164 16 leads lead VBZ 39928 2164 17 to to IN 39928 2164 18 the the DT 39928 2164 19 conclusion conclusion NN 39928 2164 20 that that IN 39928 2164 21 our -PRON- PRP$ 39928 2164 22 earth earth NN 39928 2164 23 is be VBZ 39928 2164 24 almost almost RB 39928 2164 25 certainly certainly RB 39928 2164 26 the the DT 39928 2164 27 only only JJ 39928 2164 28 inhabited inhabited JJ 39928 2164 29 planet planet NN 39928 2164 30 in in IN 39928 2164 31 our -PRON- PRP$ 39928 2164 32 solar solar JJ 39928 2164 33 system system NN 39928 2164 34 ; ; : 39928 2164 35 and and CC 39928 2164 36 , , , 39928 2164 37 further far RBR 39928 2164 38 , , , 39928 2164 39 that that IN 39928 2164 40 there there EX 39928 2164 41 is be VBZ 39928 2164 42 no no DT 39928 2164 43 inconceivability inconceivability NN 39928 2164 44 -- -- : 39928 2164 45 no no DT 39928 2164 46 improbability improbability NN 39928 2164 47 even even RB 39928 2164 48 -- -- : 39928 2164 49 in in IN 39928 2164 50 the the DT 39928 2164 51 conception conception NN 39928 2164 52 that that IN 39928 2164 53 , , , 39928 2164 54 in in IN 39928 2164 55 order order NN 39928 2164 56 to to TO 39928 2164 57 produce produce VB 39928 2164 58 a a DT 39928 2164 59 world world NN 39928 2164 60 that that WDT 39928 2164 61 should should MD 39928 2164 62 be be VB 39928 2164 63 precisely precisely RB 39928 2164 64 adapted adapt VBN 39928 2164 65 in in IN 39928 2164 66 every every DT 39928 2164 67 detail detail NN 39928 2164 68 for for IN 39928 2164 69 the the DT 39928 2164 70 orderly orderly JJ 39928 2164 71 development development NN 39928 2164 72 of of IN 39928 2164 73 organic organic JJ 39928 2164 74 life life NN 39928 2164 75 culminating culminate VBG 39928 2164 76 in in IN 39928 2164 77 man man NN 39928 2164 78 , , , 39928 2164 79 such such PDT 39928 2164 80 a a DT 39928 2164 81 vast vast JJ 39928 2164 82 and and CC 39928 2164 83 complex complex JJ 39928 2164 84 universe universe NN 39928 2164 85 as as IN 39928 2164 86 that that DT 39928 2164 87 which which WDT 39928 2164 88 we -PRON- PRP 39928 2164 89 know know VBP 39928 2164 90 exists exist VBZ 39928 2164 91 around around IN 39928 2164 92 us -PRON- PRP 39928 2164 93 , , , 39928 2164 94 may may MD 39928 2164 95 have have VB 39928 2164 96 been be VBN 39928 2164 97 absolutely absolutely RB 39928 2164 98 required require VBN 39928 2164 99 . . . 39928 2165 1 SUMMARY summary NN 39928 2165 2 OF of IN 39928 2165 3 ARGUMENT ARGUMENT NNP 39928 2165 4 As as IN 39928 2165 5 the the DT 39928 2165 6 last last JJ 39928 2165 7 ten ten CD 39928 2165 8 chapters chapter NNS 39928 2165 9 of of IN 39928 2165 10 this this DT 39928 2165 11 volume volume NN 39928 2165 12 embody embody VBP 39928 2165 13 a a DT 39928 2165 14 connected connected JJ 39928 2165 15 argument argument NN 39928 2165 16 leading lead VBG 39928 2165 17 to to IN 39928 2165 18 the the DT 39928 2165 19 conclusion conclusion NN 39928 2165 20 above above IN 39928 2165 21 stated state VBN 39928 2165 22 , , , 39928 2165 23 it -PRON- PRP 39928 2165 24 may may MD 39928 2165 25 be be VB 39928 2165 26 useful useful JJ 39928 2165 27 to to IN 39928 2165 28 my -PRON- PRP$ 39928 2165 29 readers reader NNS 39928 2165 30 to to TO 39928 2165 31 summarise summarise VB 39928 2165 32 rather rather RB 39928 2165 33 fully fully RB 39928 2165 34 the the DT 39928 2165 35 successive successive JJ 39928 2165 36 steps step NNS 39928 2165 37 of of IN 39928 2165 38 this this DT 39928 2165 39 argument argument NN 39928 2165 40 , , , 39928 2165 41 the the DT 39928 2165 42 facts fact NNS 39928 2165 43 on on IN 39928 2165 44 which which WDT 39928 2165 45 it -PRON- PRP 39928 2165 46 rests rest VBZ 39928 2165 47 , , , 39928 2165 48 and and CC 39928 2165 49 the the DT 39928 2165 50 various various JJ 39928 2165 51 subsidiary subsidiary NN 39928 2165 52 conclusions conclusion NNS 39928 2165 53 arrived arrive VBD 39928 2165 54 at at IN 39928 2165 55 . . . 39928 2166 1 ( ( -LRB- 39928 2166 2 1 1 LS 39928 2166 3 ) ) -RRB- 39928 2166 4 One one CD 39928 2166 5 of of IN 39928 2166 6 the the DT 39928 2166 7 most most RBS 39928 2166 8 important important JJ 39928 2166 9 results result NNS 39928 2166 10 of of IN 39928 2166 11 modern modern JJ 39928 2166 12 astronomy astronomy NN 39928 2166 13 is be VBZ 39928 2166 14 to to TO 39928 2166 15 have have VB 39928 2166 16 established establish VBN 39928 2166 17 the the DT 39928 2166 18 unity unity NN 39928 2166 19 of of IN 39928 2166 20 the the DT 39928 2166 21 vast vast JJ 39928 2166 22 stellar stellar JJ 39928 2166 23 universe universe NN 39928 2166 24 which which WDT 39928 2166 25 we -PRON- PRP 39928 2166 26 see see VBP 39928 2166 27 around around IN 39928 2166 28 us -PRON- PRP 39928 2166 29 . . . 39928 2167 1 This this DT 39928 2167 2 rests rest VBZ 39928 2167 3 upon upon IN 39928 2167 4 a a DT 39928 2167 5 great great JJ 39928 2167 6 mass mass NN 39928 2167 7 of of IN 39928 2167 8 observations observation NNS 39928 2167 9 , , , 39928 2167 10 which which WDT 39928 2167 11 demonstrate demonstrate VBP 39928 2167 12 the the DT 39928 2167 13 wonderful wonderful JJ 39928 2167 14 complexity complexity NN 39928 2167 15 in in IN 39928 2167 16 detail detail NN 39928 2167 17 of of IN 39928 2167 18 the the DT 39928 2167 19 arrangement arrangement NN 39928 2167 20 and and CC 39928 2167 21 distribution distribution NN 39928 2167 22 of of IN 39928 2167 23 stars star NNS 39928 2167 24 and and CC 39928 2167 25 nebulæ nebulæ NN 39928 2167 26 , , , 39928 2167 27 combined combine VBN 39928 2167 28 with with IN 39928 2167 29 a a DT 39928 2167 30 no no RB 39928 2167 31 less less RBR 39928 2167 32 remarkable remarkable JJ 39928 2167 33 general general JJ 39928 2167 34 symmetry symmetry NN 39928 2167 35 , , , 39928 2167 36 indicating indicate VBG 39928 2167 37 throughout throughout IN 39928 2167 38 a a DT 39928 2167 39 single single JJ 39928 2167 40 inter inter JJ 39928 2167 41 - - JJ 39928 2167 42 dependent dependent JJ 39928 2167 43 system system NN 39928 2167 44 , , , 39928 2167 45 not not RB 39928 2167 46 a a DT 39928 2167 47 number number NN 39928 2167 48 of of IN 39928 2167 49 totally totally RB 39928 2167 50 distinct distinct JJ 39928 2167 51 systems system NNS 39928 2167 52 so so RB 39928 2167 53 far far RB 39928 2167 54 apart apart RB 39928 2167 55 as as IN 39928 2167 56 to to TO 39928 2167 57 have have VB 39928 2167 58 no no DT 39928 2167 59 physical physical JJ 39928 2167 60 relations relation NNS 39928 2167 61 with with IN 39928 2167 62 each each DT 39928 2167 63 other other JJ 39928 2167 64 , , , 39928 2167 65 as as IN 39928 2167 66 was be VBD 39928 2167 67 once once RB 39928 2167 68 supposed suppose VBN 39928 2167 69 . . . 39928 2168 1 ( ( -LRB- 39928 2168 2 2 2 LS 39928 2168 3 ) ) -RRB- 39928 2168 4 This this DT 39928 2168 5 view view NN 39928 2168 6 is be VBZ 39928 2168 7 supported support VBN 39928 2168 8 by by IN 39928 2168 9 numerous numerous JJ 39928 2168 10 converging converging NN 39928 2168 11 lines line NNS 39928 2168 12 of of IN 39928 2168 13 evidence evidence NN 39928 2168 14 , , , 39928 2168 15 all all DT 39928 2168 16 tending tend VBG 39928 2168 17 to to TO 39928 2168 18 show show VB 39928 2168 19 that that IN 39928 2168 20 the the DT 39928 2168 21 stars star NNS 39928 2168 22 are be VBP 39928 2168 23 not not RB 39928 2168 24 infinite infinite JJ 39928 2168 25 in in IN 39928 2168 26 number number NN 39928 2168 27 , , , 39928 2168 28 as as IN 39928 2168 29 was be VBD 39928 2168 30 once once RB 39928 2168 31 generally generally RB 39928 2168 32 believed believe VBN 39928 2168 33 , , , 39928 2168 34 and and CC 39928 2168 35 which which WDT 39928 2168 36 view view NN 39928 2168 37 is be VBZ 39928 2168 38 even even RB 39928 2168 39 now now RB 39928 2168 40 advocated advocate VBN 39928 2168 41 by by IN 39928 2168 42 some some DT 39928 2168 43 astronomers astronomer NNS 39928 2168 44 . . . 39928 2169 1 The the DT 39928 2169 2 very very RB 39928 2169 3 remarkable remarkable JJ 39928 2169 4 calculations calculation NNS 39928 2169 5 of of IN 39928 2169 6 Lord Lord NNP 39928 2169 7 Kelvin Kelvin NNP 39928 2169 8 , , , 39928 2169 9 referred refer VBD 39928 2169 10 to to IN 39928 2169 11 in in IN 39928 2169 12 the the DT 39928 2169 13 early early JJ 39928 2169 14 part part NN 39928 2169 15 of of IN 39928 2169 16 this this DT 39928 2169 17 chapter chapter NN 39928 2169 18 , , , 39928 2169 19 give give VB 39928 2169 20 a a DT 39928 2169 21 further further JJ 39928 2169 22 support support NN 39928 2169 23 to to IN 39928 2169 24 this this DT 39928 2169 25 view view NN 39928 2169 26 , , , 39928 2169 27 since since IN 39928 2169 28 they -PRON- PRP 39928 2169 29 show show VBP 39928 2169 30 that that IN 39928 2169 31 if if IN 39928 2169 32 the the DT 39928 2169 33 stars star NNS 39928 2169 34 extended extend VBD 39928 2169 35 much much RB 39928 2169 36 beyond beyond IN 39928 2169 37 those those DT 39928 2169 38 we -PRON- PRP 39928 2169 39 see see VBP 39928 2169 40 or or CC 39928 2169 41 can can MD 39928 2169 42 obtain obtain VB 39928 2169 43 direct direct JJ 39928 2169 44 knowledge knowledge NN 39928 2169 45 of of IN 39928 2169 46 , , , 39928 2169 47 and and CC 39928 2169 48 with with IN 39928 2169 49 no no DT 39928 2169 50 very very RB 39928 2169 51 great great JJ 39928 2169 52 change change NN 39928 2169 53 in in IN 39928 2169 54 their -PRON- PRP$ 39928 2169 55 average average JJ 39928 2169 56 distance distance NN 39928 2169 57 apart apart RB 39928 2169 58 , , , 39928 2169 59 then then RB 39928 2169 60 the the DT 39928 2169 61 force force NN 39928 2169 62 of of IN 39928 2169 63 gravitation gravitation NN 39928 2169 64 towards towards IN 39928 2169 65 the the DT 39928 2169 66 centre centre NN 39928 2169 67 would would MD 39928 2169 68 have have VB 39928 2169 69 produced produce VBN 39928 2169 70 on on IN 39928 2169 71 the the DT 39928 2169 72 average average JJ 39928 2169 73 more more JJR 39928 2169 74 rapid rapid JJ 39928 2169 75 motions motion NNS 39928 2169 76 than than IN 39928 2169 77 the the DT 39928 2169 78 stars star NNS 39928 2169 79 generally generally RB 39928 2169 80 possess possess VBP 39928 2169 81 . . . 39928 2170 1 ( ( -LRB- 39928 2170 2 3 3 LS 39928 2170 3 ) ) -RRB- 39928 2170 4 An an DT 39928 2170 5 overwhelming overwhelming JJ 39928 2170 6 consensus consensus NN 39928 2170 7 of of IN 39928 2170 8 opinion opinion NN 39928 2170 9 among among IN 39928 2170 10 the the DT 39928 2170 11 best good JJS 39928 2170 12 astronomers astronomer NNS 39928 2170 13 establishes establish VBZ 39928 2170 14 the the DT 39928 2170 15 fact fact NN 39928 2170 16 of of IN 39928 2170 17 our -PRON- PRP$ 39928 2170 18 nearly nearly RB 39928 2170 19 central central JJ 39928 2170 20 position position NN 39928 2170 21 in in IN 39928 2170 22 the the DT 39928 2170 23 stellar stellar JJ 39928 2170 24 universe universe NN 39928 2170 25 . . . 39928 2171 1 They -PRON- PRP 39928 2171 2 all all DT 39928 2171 3 agree agree VBP 39928 2171 4 that that IN 39928 2171 5 the the DT 39928 2171 6 Milky Milky NNP 39928 2171 7 Way Way NNP 39928 2171 8 is be VBZ 39928 2171 9 nearly nearly RB 39928 2171 10 circular circular JJ 39928 2171 11 in in IN 39928 2171 12 form form NN 39928 2171 13 . . . 39928 2172 1 They -PRON- PRP 39928 2172 2 all all DT 39928 2172 3 agree agree VBP 39928 2172 4 that that IN 39928 2172 5 our -PRON- PRP$ 39928 2172 6 sun sun NN 39928 2172 7 is be VBZ 39928 2172 8 situated situate VBN 39928 2172 9 almost almost RB 39928 2172 10 exactly exactly RB 39928 2172 11 in in IN 39928 2172 12 its -PRON- PRP$ 39928 2172 13 medial medial JJ 39928 2172 14 plane plane NN 39928 2172 15 . . . 39928 2173 1 They -PRON- PRP 39928 2173 2 all all DT 39928 2173 3 agree agree VBP 39928 2173 4 that that IN 39928 2173 5 our -PRON- PRP$ 39928 2173 6 sun sun NN 39928 2173 7 , , , 39928 2173 8 although although IN 39928 2173 9 not not RB 39928 2173 10 situated situate VBN 39928 2173 11 at at IN 39928 2173 12 the the DT 39928 2173 13 exact exact JJ 39928 2173 14 centre centre NN 39928 2173 15 of of IN 39928 2173 16 the the DT 39928 2173 17 galactic galactic JJ 39928 2173 18 circle circle NN 39928 2173 19 , , , 39928 2173 20 is be VBZ 39928 2173 21 yet yet RB 39928 2173 22 not not RB 39928 2173 23 very very RB 39928 2173 24 far far RB 39928 2173 25 from from IN 39928 2173 26 it -PRON- PRP 39928 2173 27 , , , 39928 2173 28 because because IN 39928 2173 29 there there EX 39928 2173 30 are be VBP 39928 2173 31 no no DT 39928 2173 32 unmistakable unmistakable JJ 39928 2173 33 signs sign NNS 39928 2173 34 of of IN 39928 2173 35 our -PRON- PRP$ 39928 2173 36 being be VBG 39928 2173 37 nearer near JJR 39928 2173 38 to to IN 39928 2173 39 it -PRON- PRP 39928 2173 40 at at IN 39928 2173 41 any any DT 39928 2173 42 one one CD 39928 2173 43 point point NN 39928 2173 44 and and CC 39928 2173 45 farther far RBR 39928 2173 46 away away RB 39928 2173 47 from from IN 39928 2173 48 the the DT 39928 2173 49 opposite opposite JJ 39928 2173 50 point point NN 39928 2173 51 . . . 39928 2174 1 Thus thus RB 39928 2174 2 the the DT 39928 2174 3 nearly nearly RB 39928 2174 4 central central JJ 39928 2174 5 position position NN 39928 2174 6 of of IN 39928 2174 7 our -PRON- PRP$ 39928 2174 8 sun sun NN 39928 2174 9 in in IN 39928 2174 10 the the DT 39928 2174 11 great great JJ 39928 2174 12 star star NN 39928 2174 13 - - HYPH 39928 2174 14 system system NN 39928 2174 15 is be VBZ 39928 2174 16 almost almost RB 39928 2174 17 universally universally RB 39928 2174 18 admitted admit VBN 39928 2174 19 . . . 39928 2175 1 On on IN 39928 2175 2 the the DT 39928 2175 3 question question NN 39928 2175 4 of of IN 39928 2175 5 the the DT 39928 2175 6 solar solar NN 39928 2175 7 - - HYPH 39928 2175 8 cluster cluster NN 39928 2175 9 there there EX 39928 2175 10 is be VBZ 39928 2175 11 more more JJR 39928 2175 12 difference difference NN 39928 2175 13 of of IN 39928 2175 14 opinion opinion NN 39928 2175 15 ; ; : 39928 2175 16 though though IN 39928 2175 17 here here RB 39928 2175 18 , , , 39928 2175 19 again again RB 39928 2175 20 , , , 39928 2175 21 all all DT 39928 2175 22 are be VBP 39928 2175 23 agreed agree VBN 39928 2175 24 that that IN 39928 2175 25 there there EX 39928 2175 26 is be VBZ 39928 2175 27 such such PDT 39928 2175 28 a a DT 39928 2175 29 cluster cluster NN 39928 2175 30 . . . 39928 2176 1 Its -PRON- PRP$ 39928 2176 2 size size NN 39928 2176 3 , , , 39928 2176 4 form form NN 39928 2176 5 , , , 39928 2176 6 density density NN 39928 2176 7 , , , 39928 2176 8 and and CC 39928 2176 9 exact exact JJ 39928 2176 10 position position NN 39928 2176 11 are be VBP 39928 2176 12 somewhat somewhat RB 39928 2176 13 uncertain uncertain JJ 39928 2176 14 , , , 39928 2176 15 but but CC 39928 2176 16 I -PRON- PRP 39928 2176 17 have have VBP 39928 2176 18 , , , 39928 2176 19 as as RB 39928 2176 20 far far RB 39928 2176 21 as as IN 39928 2176 22 possible possible JJ 39928 2176 23 , , , 39928 2176 24 been be VBN 39928 2176 25 guided guide VBN 39928 2176 26 by by IN 39928 2176 27 the the DT 39928 2176 28 best good JJS 39928 2176 29 available available JJ 39928 2176 30 evidence evidence NN 39928 2176 31 . . . 39928 2177 1 If if IN 39928 2177 2 we -PRON- PRP 39928 2177 3 adopt adopt VBP 39928 2177 4 Lord Lord NNP 39928 2177 5 Kelvin Kelvin NNP 39928 2177 6 's 's POS 39928 2177 7 general general JJ 39928 2177 8 idea idea NN 39928 2177 9 of of IN 39928 2177 10 the the DT 39928 2177 11 gradual gradual JJ 39928 2177 12 condensation condensation NN 39928 2177 13 of of IN 39928 2177 14 an an DT 39928 2177 15 enormous enormous JJ 39928 2177 16 diffused diffuse VBN 39928 2177 17 mass mass NN 39928 2177 18 of of IN 39928 2177 19 matter matter NN 39928 2177 20 towards towards IN 39928 2177 21 its -PRON- PRP$ 39928 2177 22 common common JJ 39928 2177 23 centre centre NN 39928 2177 24 of of IN 39928 2177 25 gravity gravity NN 39928 2177 26 , , , 39928 2177 27 that that DT 39928 2177 28 centre centre NN 39928 2177 29 would would MD 39928 2177 30 be be VB 39928 2177 31 approximately approximately RB 39928 2177 32 the the DT 39928 2177 33 centre centre NN 39928 2177 34 of of IN 39928 2177 35 this this DT 39928 2177 36 cluster cluster NN 39928 2177 37 . . . 39928 2178 1 Also also RB 39928 2178 2 , , , 39928 2178 3 as as IN 39928 2178 4 gravitational gravitational JJ 39928 2178 5 force force NN 39928 2178 6 at at IN 39928 2178 7 and and CC 39928 2178 8 near near IN 39928 2178 9 this this DT 39928 2178 10 centre centre NN 39928 2178 11 would would MD 39928 2178 12 be be VB 39928 2178 13 comparatively comparatively RB 39928 2178 14 small small JJ 39928 2178 15 , , , 39928 2178 16 the the DT 39928 2178 17 motions motion NNS 39928 2178 18 produced produce VBN 39928 2178 19 there there EX 39928 2178 20 would would MD 39928 2178 21 be be VB 39928 2178 22 slow slow JJ 39928 2178 23 , , , 39928 2178 24 and and CC 39928 2178 25 collisions collision NNS 39928 2178 26 , , , 39928 2178 27 being be VBG 39928 2178 28 due due JJ 39928 2178 29 only only RB 39928 2178 30 to to TO 39928 2178 31 differential differential VB 39928 2178 32 motions motion NNS 39928 2178 33 , , , 39928 2178 34 when when WRB 39928 2178 35 they -PRON- PRP 39928 2178 36 did do VBD 39928 2178 37 occur occur VB 39928 2178 38 would would MD 39928 2178 39 be be VB 39928 2178 40 very very RB 39928 2178 41 gentle gentle JJ 39928 2178 42 . . . 39928 2179 1 We -PRON- PRP 39928 2179 2 might may MD 39928 2179 3 therefore therefore RB 39928 2179 4 expect expect VB 39928 2179 5 many many JJ 39928 2179 6 dark dark JJ 39928 2179 7 aggregations aggregation NNS 39928 2179 8 of of IN 39928 2179 9 matter matter NN 39928 2179 10 here here RB 39928 2179 11 , , , 39928 2179 12 which which WDT 39928 2179 13 may may MD 39928 2179 14 explain explain VB 39928 2179 15 why why WRB 39928 2179 16 we -PRON- PRP 39928 2179 17 do do VBP 39928 2179 18 not not RB 39928 2179 19 find find VB 39928 2179 20 any any DT 39928 2179 21 special special JJ 39928 2179 22 crowding crowding NN 39928 2179 23 of of IN 39928 2179 24 visible visible JJ 39928 2179 25 stars star NNS 39928 2179 26 in in IN 39928 2179 27 the the DT 39928 2179 28 direction direction NN 39928 2179 29 of of IN 39928 2179 30 this this DT 39928 2179 31 centre centre NN 39928 2179 32 ; ; : 39928 2179 33 while while IN 39928 2179 34 , , , 39928 2179 35 as as IN 39928 2179 36 no no DT 39928 2179 37 star star NN 39928 2179 38 has have VBZ 39928 2179 39 a a DT 39928 2179 40 sensible sensible JJ 39928 2179 41 disc disc NN 39928 2179 42 , , , 39928 2179 43 the the DT 39928 2179 44 dark dark JJ 39928 2179 45 stars star NNS 39928 2179 46 if if IN 39928 2179 47 at at IN 39928 2179 48 great great JJ 39928 2179 49 distances distance NNS 39928 2179 50 would would MD 39928 2179 51 hardly hardly RB 39928 2179 52 ever ever RB 39928 2179 53 be be VB 39928 2179 54 seen see VBN 39928 2179 55 to to TO 39928 2179 56 occult occult VB 39928 2179 57 the the DT 39928 2179 58 bright bright JJ 39928 2179 59 ones one NNS 39928 2179 60 . . . 39928 2180 1 Thus thus RB 39928 2180 2 , , , 39928 2180 3 it -PRON- PRP 39928 2180 4 seems seem VBZ 39928 2180 5 to to IN 39928 2180 6 me -PRON- PRP 39928 2180 7 , , , 39928 2180 8 the the DT 39928 2180 9 controlling control VBG 39928 2180 10 force force NN 39928 2180 11 may may MD 39928 2180 12 be be VB 39928 2180 13 explained explain VBN 39928 2180 14 which which WDT 39928 2180 15 has have VBZ 39928 2180 16 retained retain VBN 39928 2180 17 our -PRON- PRP$ 39928 2180 18 sun sun NN 39928 2180 19 in in IN 39928 2180 20 approximately approximately RB 39928 2180 21 the the DT 39928 2180 22 same same JJ 39928 2180 23 orbit orbit NN 39928 2180 24 around around IN 39928 2180 25 the the DT 39928 2180 26 centre centre NN 39928 2180 27 of of IN 39928 2180 28 gravity gravity NN 39928 2180 29 of of IN 39928 2180 30 this this DT 39928 2180 31 central central JJ 39928 2180 32 cluster cluster NN 39928 2180 33 during during IN 39928 2180 34 the the DT 39928 2180 35 whole whole JJ 39928 2180 36 period period NN 39928 2180 37 of of IN 39928 2180 38 its -PRON- PRP$ 39928 2180 39 existence existence NN 39928 2180 40 as as IN 39928 2180 41 a a DT 39928 2180 42 sun sun NN 39928 2180 43 and and CC 39928 2180 44 our -PRON- PRP$ 39928 2180 45 existence existence NN 39928 2180 46 as as IN 39928 2180 47 a a DT 39928 2180 48 planet planet NN 39928 2180 49 ; ; : 39928 2180 50 and and CC 39928 2180 51 has have VBZ 39928 2180 52 thus thus RB 39928 2180 53 saved save VBN 39928 2180 54 us -PRON- PRP 39928 2180 55 from from IN 39928 2180 56 the the DT 39928 2180 57 possibility possibility NN 39928 2180 58 -- -- : 39928 2180 59 perhaps perhaps RB 39928 2180 60 even even RB 39928 2180 61 the the DT 39928 2180 62 certainty certainty NN 39928 2180 63 -- -- : 39928 2180 64 of of IN 39928 2180 65 disastrous disastrous JJ 39928 2180 66 collisions collision NNS 39928 2180 67 or or CC 39928 2180 68 disruptive disruptive JJ 39928 2180 69 approaches approach NNS 39928 2180 70 to to TO 39928 2180 71 which which WDT 39928 2180 72 suns sun NNS 39928 2180 73 , , , 39928 2180 74 in in IN 39928 2180 75 or or CC 39928 2180 76 near near IN 39928 2180 77 the the DT 39928 2180 78 Milky Milky NNP 39928 2180 79 Way Way NNP 39928 2180 80 , , , 39928 2180 81 and and CC 39928 2180 82 to to IN 39928 2180 83 a a DT 39928 2180 84 less less JJR 39928 2180 85 extent extent NN 39928 2180 86 elsewhere elsewhere RB 39928 2180 87 , , , 39928 2180 88 are be VBP 39928 2180 89 or or CC 39928 2180 90 have have VBP 39928 2180 91 been be VBN 39928 2180 92 exposed expose VBN 39928 2180 93 . . . 39928 2181 1 It -PRON- PRP 39928 2181 2 seems seem VBZ 39928 2181 3 quite quite RB 39928 2181 4 probable probable JJ 39928 2181 5 that that IN 39928 2181 6 in in IN 39928 2181 7 that that DT 39928 2181 8 region region NN 39928 2181 9 of of IN 39928 2181 10 more more RBR 39928 2181 11 rapid rapid JJ 39928 2181 12 and and CC 39928 2181 13 less less RBR 39928 2181 14 controlled controlled JJ 39928 2181 15 motions motion NNS 39928 2181 16 and and CC 39928 2181 17 more more RBR 39928 2181 18 crowded crowded JJ 39928 2181 19 masses masse NNS 39928 2181 20 of of IN 39928 2181 21 matter matter NN 39928 2181 22 , , , 39928 2181 23 no no DT 39928 2181 24 star star NN 39928 2181 25 can can MD 39928 2181 26 remain remain VB 39928 2181 27 in in IN 39928 2181 28 a a DT 39928 2181 29 nearly nearly RB 39928 2181 30 stable stable JJ 39928 2181 31 condition condition NN 39928 2181 32 as as IN 39928 2181 33 regards regard VBZ 39928 2181 34 temperature temperature NN 39928 2181 35 for for IN 39928 2181 36 sufficiently sufficiently RB 39928 2181 37 long long JJ 39928 2181 38 periods period NNS 39928 2181 39 to to TO 39928 2181 40 allow allow VB 39928 2181 41 of of IN 39928 2181 42 a a DT 39928 2181 43 complete complete JJ 39928 2181 44 system system NN 39928 2181 45 of of IN 39928 2181 46 life life NN 39928 2181 47 - - HYPH 39928 2181 48 development development NN 39928 2181 49 on on IN 39928 2181 50 any any DT 39928 2181 51 planet planet NN 39928 2181 52 it -PRON- PRP 39928 2181 53 may may MD 39928 2181 54 possess possess VB 39928 2181 55 . . . 39928 2182 1 ( ( -LRB- 39928 2182 2 4 4 LS 39928 2182 3 ) ) -RRB- 39928 2182 4 The the DT 39928 2182 5 various various JJ 39928 2182 6 proofs proof NNS 39928 2182 7 are be VBP 39928 2182 8 next next RB 39928 2182 9 stated state VBN 39928 2182 10 that that IN 39928 2182 11 assure assure NN 39928 2182 12 us -PRON- PRP 39928 2182 13 of of IN 39928 2182 14 the the DT 39928 2182 15 almost almost RB 39928 2182 16 complete complete JJ 39928 2182 17 uniformity uniformity NN 39928 2182 18 of of IN 39928 2182 19 matter matter NN 39928 2182 20 , , , 39928 2182 21 and and CC 39928 2182 22 of of IN 39928 2182 23 material material NN 39928 2182 24 physical physical JJ 39928 2182 25 and and CC 39928 2182 26 chemical chemical JJ 39928 2182 27 laws law NNS 39928 2182 28 , , , 39928 2182 29 throughout throughout IN 39928 2182 30 our -PRON- PRP$ 39928 2182 31 universe universe NN 39928 2182 32 . . . 39928 2183 1 This this DT 39928 2183 2 I -PRON- PRP 39928 2183 3 believe believe VBP 39928 2183 4 no no DT 39928 2183 5 one one NN 39928 2183 6 seriously seriously RB 39928 2183 7 disputes dispute VBZ 39928 2183 8 ; ; : 39928 2183 9 and and CC 39928 2183 10 it -PRON- PRP 39928 2183 11 is be VBZ 39928 2183 12 a a DT 39928 2183 13 point point NN 39928 2183 14 of of IN 39928 2183 15 the the DT 39928 2183 16 greatest great JJS 39928 2183 17 importance importance NN 39928 2183 18 when when WRB 39928 2183 19 we -PRON- PRP 39928 2183 20 come come VBP 39928 2183 21 to to TO 39928 2183 22 consider consider VB 39928 2183 23 the the DT 39928 2183 24 conditions condition NNS 39928 2183 25 required require VBN 39928 2183 26 for for IN 39928 2183 27 the the DT 39928 2183 28 development development NN 39928 2183 29 and and CC 39928 2183 30 maintenance maintenance NN 39928 2183 31 of of IN 39928 2183 32 life life NN 39928 2183 33 , , , 39928 2183 34 since since IN 39928 2183 35 it -PRON- PRP 39928 2183 36 assures assure VBZ 39928 2183 37 us -PRON- PRP 39928 2183 38 that that DT 39928 2183 39 very very RB 39928 2183 40 similar similar JJ 39928 2183 41 , , , 39928 2183 42 if if IN 39928 2183 43 not not RB 39928 2183 44 identical identical JJ 39928 2183 45 , , , 39928 2183 46 conditions condition NNS 39928 2183 47 must must MD 39928 2183 48 prevail prevail VB 39928 2183 49 wherever wherever WRB 39928 2183 50 organic organic JJ 39928 2183 51 life life NN 39928 2183 52 is be VBZ 39928 2183 53 or or CC 39928 2183 54 can can MD 39928 2183 55 be be VB 39928 2183 56 developed develop VBN 39928 2183 57 . . . 39928 2184 1 ( ( -LRB- 39928 2184 2 5 5 LS 39928 2184 3 ) ) -RRB- 39928 2184 4 This this DT 39928 2184 5 leads lead VBZ 39928 2184 6 us -PRON- PRP 39928 2184 7 on on RP 39928 2184 8 to to IN 39928 2184 9 the the DT 39928 2184 10 consideration consideration NN 39928 2184 11 of of IN 39928 2184 12 the the DT 39928 2184 13 essential essential JJ 39928 2184 14 characteristics characteristic NNS 39928 2184 15 of of IN 39928 2184 16 the the DT 39928 2184 17 living live VBG 39928 2184 18 organism organism NN 39928 2184 19 , , , 39928 2184 20 consisting consist VBG 39928 2184 21 as as IN 39928 2184 22 it -PRON- PRP 39928 2184 23 does do VBZ 39928 2184 24 of of IN 39928 2184 25 some some DT 39928 2184 26 of of IN 39928 2184 27 the the DT 39928 2184 28 most most RBS 39928 2184 29 abundant abundant JJ 39928 2184 30 and and CC 39928 2184 31 most most RBS 39928 2184 32 widely widely RB 39928 2184 33 distributed distribute VBN 39928 2184 34 of of IN 39928 2184 35 these these DT 39928 2184 36 material material NN 39928 2184 37 elements element NNS 39928 2184 38 , , , 39928 2184 39 and and CC 39928 2184 40 being be VBG 39928 2184 41 always always RB 39928 2184 42 subject subject JJ 39928 2184 43 to to IN 39928 2184 44 the the DT 39928 2184 45 general general JJ 39928 2184 46 laws law NNS 39928 2184 47 of of IN 39928 2184 48 matter matter NN 39928 2184 49 . . . 39928 2185 1 The the DT 39928 2185 2 best good JJS 39928 2185 3 authorities authority NNS 39928 2185 4 in in IN 39928 2185 5 physiology physiology NN 39928 2185 6 are be VBP 39928 2185 7 quoted quote VBN 39928 2185 8 , , , 39928 2185 9 as as IN 39928 2185 10 to to IN 39928 2185 11 the the DT 39928 2185 12 extreme extreme JJ 39928 2185 13 complexity complexity NN 39928 2185 14 of of IN 39928 2185 15 the the DT 39928 2185 16 chemical chemical NN 39928 2185 17 compounds compound NNS 39928 2185 18 which which WDT 39928 2185 19 constitute constitute VBP 39928 2185 20 the the DT 39928 2185 21 physical physical JJ 39928 2185 22 basis basis NN 39928 2185 23 for for IN 39928 2185 24 the the DT 39928 2185 25 manifestation manifestation NN 39928 2185 26 of of IN 39928 2185 27 life life NN 39928 2185 28 ; ; : 39928 2185 29 as as IN 39928 2185 30 to to IN 39928 2185 31 their -PRON- PRP$ 39928 2185 32 great great JJ 39928 2185 33 instability instability NN 39928 2185 34 ; ; : 39928 2185 35 their -PRON- PRP$ 39928 2185 36 wonderful wonderful JJ 39928 2185 37 mobility mobility NN 39928 2185 38 combined combine VBN 39928 2185 39 with with IN 39928 2185 40 permanence permanence NN 39928 2185 41 of of IN 39928 2185 42 form form NN 39928 2185 43 and and CC 39928 2185 44 structure structure NN 39928 2185 45 ; ; : 39928 2185 46 and and CC 39928 2185 47 the the DT 39928 2185 48 altogether altogether RB 39928 2185 49 marvellous marvellous JJ 39928 2185 50 powers power NNS 39928 2185 51 they -PRON- PRP 39928 2185 52 possess possess VBP 39928 2185 53 of of IN 39928 2185 54 bringing bring VBG 39928 2185 55 about about RP 39928 2185 56 unique unique JJ 39928 2185 57 chemical chemical NN 39928 2185 58 transformations transformation NNS 39928 2185 59 and and CC 39928 2185 60 of of IN 39928 2185 61 building build VBG 39928 2185 62 up up RP 39928 2185 63 the the DT 39928 2185 64 most most RBS 39928 2185 65 complicated complicated JJ 39928 2185 66 structures structure NNS 39928 2185 67 from from IN 39928 2185 68 simple simple JJ 39928 2185 69 elements element NNS 39928 2185 70 . . . 39928 2186 1 I -PRON- PRP 39928 2186 2 have have VBP 39928 2186 3 endeavoured endeavour VBN 39928 2186 4 to to TO 39928 2186 5 put put VB 39928 2186 6 the the DT 39928 2186 7 broad broad JJ 39928 2186 8 phenomena phenomenon NNS 39928 2186 9 of of IN 39928 2186 10 vegetable vegetable NN 39928 2186 11 and and CC 39928 2186 12 animal animal NN 39928 2186 13 life life NN 39928 2186 14 in in IN 39928 2186 15 a a DT 39928 2186 16 way way NN 39928 2186 17 that that WDT 39928 2186 18 will will MD 39928 2186 19 enable enable VB 39928 2186 20 my -PRON- PRP$ 39928 2186 21 readers reader NNS 39928 2186 22 to to TO 39928 2186 23 form form VB 39928 2186 24 some some DT 39928 2186 25 faint faint JJ 39928 2186 26 conception conception NN 39928 2186 27 of of IN 39928 2186 28 the the DT 39928 2186 29 intricacy intricacy NN 39928 2186 30 , , , 39928 2186 31 the the DT 39928 2186 32 delicacy delicacy NN 39928 2186 33 , , , 39928 2186 34 and and CC 39928 2186 35 the the DT 39928 2186 36 mystery mystery NN 39928 2186 37 of of IN 39928 2186 38 the the DT 39928 2186 39 myriad myriad JJ 39928 2186 40 living live VBG 39928 2186 41 forms form NNS 39928 2186 42 they -PRON- PRP 39928 2186 43 see see VBP 39928 2186 44 everywhere everywhere RB 39928 2186 45 around around IN 39928 2186 46 them -PRON- PRP 39928 2186 47 . . . 39928 2187 1 Such such PDT 39928 2187 2 a a DT 39928 2187 3 conception conception NN 39928 2187 4 will will MD 39928 2187 5 enable enable VB 39928 2187 6 them -PRON- PRP 39928 2187 7 to to TO 39928 2187 8 realise realise VB 39928 2187 9 how how WRB 39928 2187 10 supremely supremely RB 39928 2187 11 grand grand JJ 39928 2187 12 is be VBZ 39928 2187 13 organic organic JJ 39928 2187 14 life life NN 39928 2187 15 , , , 39928 2187 16 and and CC 39928 2187 17 to to TO 39928 2187 18 appreciate appreciate VB 39928 2187 19 better well RBR 39928 2187 20 , , , 39928 2187 21 perhaps perhaps RB 39928 2187 22 , , , 39928 2187 23 the the DT 39928 2187 24 absolute absolute JJ 39928 2187 25 necessity necessity NN 39928 2187 26 for for IN 39928 2187 27 the the DT 39928 2187 28 numerous numerous JJ 39928 2187 29 , , , 39928 2187 30 complex complex JJ 39928 2187 31 and and CC 39928 2187 32 delicate delicate JJ 39928 2187 33 adaptations adaptation NNS 39928 2187 34 of of IN 39928 2187 35 inorganic inorganic JJ 39928 2187 36 nature nature NN 39928 2187 37 , , , 39928 2187 38 without without IN 39928 2187 39 which which WDT 39928 2187 40 it -PRON- PRP 39928 2187 41 is be VBZ 39928 2187 42 impossible impossible JJ 39928 2187 43 for for IN 39928 2187 44 life life NN 39928 2187 45 either either CC 39928 2187 46 to to TO 39928 2187 47 exist exist VB 39928 2187 48 now now RB 39928 2187 49 , , , 39928 2187 50 or or CC 39928 2187 51 to to TO 39928 2187 52 have have VB 39928 2187 53 been be VBN 39928 2187 54 developed develop VBN 39928 2187 55 during during IN 39928 2187 56 the the DT 39928 2187 57 immeasurable immeasurable JJ 39928 2187 58 past past NN 39928 2187 59 . . . 39928 2188 1 ( ( -LRB- 39928 2188 2 6 6 LS 39928 2188 3 ) ) -RRB- 39928 2188 4 The the DT 39928 2188 5 general general JJ 39928 2188 6 conditions condition NNS 39928 2188 7 which which WDT 39928 2188 8 are be VBP 39928 2188 9 absolutely absolutely RB 39928 2188 10 essential essential JJ 39928 2188 11 for for IN 39928 2188 12 life life NN 39928 2188 13 thus thus RB 39928 2188 14 manifested manifest VBN 39928 2188 15 on on IN 39928 2188 16 our -PRON- PRP$ 39928 2188 17 planet planet NN 39928 2188 18 are be VBP 39928 2188 19 then then RB 39928 2188 20 discussed discuss VBN 39928 2188 21 , , , 39928 2188 22 such such JJ 39928 2188 23 as as IN 39928 2188 24 , , , 39928 2188 25 solar solar JJ 39928 2188 26 light light NN 39928 2188 27 and and CC 39928 2188 28 heat heat NN 39928 2188 29 ; ; : 39928 2188 30 water water NN 39928 2188 31 universally universally RB 39928 2188 32 distributed distribute VBN 39928 2188 33 on on IN 39928 2188 34 the the DT 39928 2188 35 planet planet NN 39928 2188 36 's 's POS 39928 2188 37 surface surface NN 39928 2188 38 and and CC 39928 2188 39 in in IN 39928 2188 40 the the DT 39928 2188 41 atmosphere atmosphere NN 39928 2188 42 ; ; : 39928 2188 43 an an DT 39928 2188 44 atmosphere atmosphere NN 39928 2188 45 of of IN 39928 2188 46 sufficient sufficient JJ 39928 2188 47 density density NN 39928 2188 48 , , , 39928 2188 49 and and CC 39928 2188 50 composed compose VBN 39928 2188 51 of of IN 39928 2188 52 the the DT 39928 2188 53 several several JJ 39928 2188 54 gases gas NNS 39928 2188 55 from from IN 39928 2188 56 which which WDT 39928 2188 57 alone alone RB 39928 2188 58 protoplasm protoplasm NN 39928 2188 59 can can MD 39928 2188 60 be be VB 39928 2188 61 formed form VBN 39928 2188 62 ; ; : 39928 2188 63 some some DT 39928 2188 64 alternations alternation NNS 39928 2188 65 of of IN 39928 2188 66 light light NN 39928 2188 67 and and CC 39928 2188 68 darkness darkness NN 39928 2188 69 , , , 39928 2188 70 and and CC 39928 2188 71 a a DT 39928 2188 72 few few JJ 39928 2188 73 others other NNS 39928 2188 74 . . . 39928 2189 1 ( ( -LRB- 39928 2189 2 7 7 LS 39928 2189 3 ) ) -RRB- 39928 2189 4 Having have VBG 39928 2189 5 treated treat VBN 39928 2189 6 these these DT 39928 2189 7 conditions condition NNS 39928 2189 8 broadly broadly RB 39928 2189 9 , , , 39928 2189 10 and and CC 39928 2189 11 explained explain VBD 39928 2189 12 why why WRB 39928 2189 13 they -PRON- PRP 39928 2189 14 are be VBP 39928 2189 15 important important JJ 39928 2189 16 and and CC 39928 2189 17 even even RB 39928 2189 18 indispensable indispensable JJ 39928 2189 19 for for IN 39928 2189 20 life life NN 39928 2189 21 , , , 39928 2189 22 we -PRON- PRP 39928 2189 23 next next IN 39928 2189 24 proceed proceed VBP 39928 2189 25 to to TO 39928 2189 26 show show VB 39928 2189 27 how how WRB 39928 2189 28 they -PRON- PRP 39928 2189 29 are be VBP 39928 2189 30 fulfilled fulfil VBN 39928 2189 31 upon upon IN 39928 2189 32 the the DT 39928 2189 33 earth earth NN 39928 2189 34 , , , 39928 2189 35 and and CC 39928 2189 36 how how WRB 39928 2189 37 numerous numerous JJ 39928 2189 38 , , , 39928 2189 39 how how WRB 39928 2189 40 complex complex JJ 39928 2189 41 , , , 39928 2189 42 and and CC 39928 2189 43 often often RB 39928 2189 44 how how WRB 39928 2189 45 exact exact JJ 39928 2189 46 are be VBP 39928 2189 47 the the DT 39928 2189 48 adjustments adjustment NNS 39928 2189 49 needed need VBN 39928 2189 50 to to TO 39928 2189 51 bring bring VB 39928 2189 52 them -PRON- PRP 39928 2189 53 about about IN 39928 2189 54 , , , 39928 2189 55 and and CC 39928 2189 56 maintain maintain VB 39928 2189 57 them -PRON- PRP 39928 2189 58 almost almost RB 39928 2189 59 unchanged unchanged JJ 39928 2189 60 throughout throughout IN 39928 2189 61 the the DT 39928 2189 62 vast vast JJ 39928 2189 63 æons æon NNS 39928 2189 64 of of IN 39928 2189 65 time time NN 39928 2189 66 occupied occupy VBN 39928 2189 67 in in IN 39928 2189 68 the the DT 39928 2189 69 development development NN 39928 2189 70 of of IN 39928 2189 71 life life NN 39928 2189 72 . . . 39928 2190 1 Two two CD 39928 2190 2 chapters chapter NNS 39928 2190 3 are be VBP 39928 2190 4 devoted devoted JJ 39928 2190 5 to to IN 39928 2190 6 this this DT 39928 2190 7 subject subject NN 39928 2190 8 ; ; : 39928 2190 9 and and CC 39928 2190 10 it -PRON- PRP 39928 2190 11 is be VBZ 39928 2190 12 believed believe VBN 39928 2190 13 that that IN 39928 2190 14 they -PRON- PRP 39928 2190 15 contain contain VBP 39928 2190 16 facts fact NNS 39928 2190 17 that that WDT 39928 2190 18 will will MD 39928 2190 19 be be VB 39928 2190 20 new new JJ 39928 2190 21 to to IN 39928 2190 22 many many JJ 39928 2190 23 of of IN 39928 2190 24 my -PRON- PRP$ 39928 2190 25 readers reader NNS 39928 2190 26 . . . 39928 2191 1 The the DT 39928 2191 2 combinations combination NNS 39928 2191 3 of of IN 39928 2191 4 causes cause NNS 39928 2191 5 which which WDT 39928 2191 6 lead lead VBP 39928 2191 7 to to IN 39928 2191 8 this this DT 39928 2191 9 result result NN 39928 2191 10 are be VBP 39928 2191 11 so so RB 39928 2191 12 varied varied JJ 39928 2191 13 , , , 39928 2191 14 and and CC 39928 2191 15 in in IN 39928 2191 16 several several JJ 39928 2191 17 cases case NNS 39928 2191 18 dependent dependent JJ 39928 2191 19 on on IN 39928 2191 20 such such JJ 39928 2191 21 exceptional exceptional JJ 39928 2191 22 peculiarities peculiarity NNS 39928 2191 23 of of IN 39928 2191 24 physical physical JJ 39928 2191 25 constitution constitution NN 39928 2191 26 , , , 39928 2191 27 that that IN 39928 2191 28 it -PRON- PRP 39928 2191 29 seems seem VBZ 39928 2191 30 in in IN 39928 2191 31 the the DT 39928 2191 32 highest high JJS 39928 2191 33 degree degree NN 39928 2191 34 improbable improbable JJ 39928 2191 35 that that IN 39928 2191 36 they -PRON- PRP 39928 2191 37 can can MD 39928 2191 38 _ _ VB 39928 2191 39 all all DT 39928 2191 40 _ _ NNP 39928 2191 41 be be VB 39928 2191 42 found find VBN 39928 2191 43 again again RB 39928 2191 44 combined combine VBN 39928 2191 45 either either CC 39928 2191 46 in in IN 39928 2191 47 the the DT 39928 2191 48 solar solar JJ 39928 2191 49 system system NN 39928 2191 50 or or CC 39928 2191 51 even even RB 39928 2191 52 in in IN 39928 2191 53 the the DT 39928 2191 54 stellar stellar JJ 39928 2191 55 universe universe NN 39928 2191 56 . . . 39928 2192 1 It -PRON- PRP 39928 2192 2 will will MD 39928 2192 3 be be VB 39928 2192 4 well well JJ 39928 2192 5 here here RB 39928 2192 6 just just RB 39928 2192 7 to to TO 39928 2192 8 enumerate enumerate VB 39928 2192 9 these these DT 39928 2192 10 conditions condition NNS 39928 2192 11 , , , 39928 2192 12 which which WDT 39928 2192 13 are be VBP 39928 2192 14 all all RB 39928 2192 15 essential essential JJ 39928 2192 16 within within IN 39928 2192 17 more more RBR 39928 2192 18 or or CC 39928 2192 19 less less RBR 39928 2192 20 narrow narrow JJ 39928 2192 21 limits:-- limits:-- `` 39928 2192 22 Distance Distance NNP 39928 2192 23 of of IN 39928 2192 24 planet planet NN 39928 2192 25 from from IN 39928 2192 26 the the DT 39928 2192 27 sun sun NN 39928 2192 28 . . . 39928 2193 1 Mass mass NN 39928 2193 2 of of IN 39928 2193 3 planet planet NN 39928 2193 4 . . . 39928 2194 1 Obliquity obliquity NN 39928 2194 2 of of IN 39928 2194 3 its -PRON- PRP$ 39928 2194 4 ecliptic ecliptic NN 39928 2194 5 . . . 39928 2195 1 Amount amount NN 39928 2195 2 of of IN 39928 2195 3 water water NN 39928 2195 4 as as IN 39928 2195 5 compared compare VBN 39928 2195 6 with with IN 39928 2195 7 land land NN 39928 2195 8 . . . 39928 2196 1 Surface surface NN 39928 2196 2 distribution distribution NN 39928 2196 3 of of IN 39928 2196 4 land land NN 39928 2196 5 and and CC 39928 2196 6 water water NN 39928 2196 7 . . . 39928 2197 1 Permanence permanence NN 39928 2197 2 of of IN 39928 2197 3 this this DT 39928 2197 4 distribution distribution NN 39928 2197 5 , , , 39928 2197 6 dependent dependent JJ 39928 2197 7 probably probably RB 39928 2197 8 on on IN 39928 2197 9 the the DT 39928 2197 10 unique unique JJ 39928 2197 11 origin origin NN 39928 2197 12 of of IN 39928 2197 13 our -PRON- PRP$ 39928 2197 14 moon moon NN 39928 2197 15 . . . 39928 2198 1 An an DT 39928 2198 2 atmosphere atmosphere NN 39928 2198 3 of of IN 39928 2198 4 sufficient sufficient JJ 39928 2198 5 density density NN 39928 2198 6 , , , 39928 2198 7 and and CC 39928 2198 8 of of IN 39928 2198 9 suitable suitable JJ 39928 2198 10 component component NN 39928 2198 11 gases gas NNS 39928 2198 12 . . . 39928 2199 1 An an DT 39928 2199 2 adequate adequate JJ 39928 2199 3 amount amount NN 39928 2199 4 of of IN 39928 2199 5 dust dust NN 39928 2199 6 in in IN 39928 2199 7 the the DT 39928 2199 8 atmosphere atmosphere NN 39928 2199 9 . . . 39928 2200 1 Atmospheric atmospheric JJ 39928 2200 2 electricity electricity NN 39928 2200 3 . . . 39928 2201 1 Many many JJ 39928 2201 2 of of IN 39928 2201 3 these these DT 39928 2201 4 act act NN 39928 2201 5 and and CC 39928 2201 6 react react VB 39928 2201 7 on on IN 39928 2201 8 each each DT 39928 2201 9 other other JJ 39928 2201 10 , , , 39928 2201 11 and and CC 39928 2201 12 lead lead VBP 39928 2201 13 to to IN 39928 2201 14 results result NNS 39928 2201 15 of of IN 39928 2201 16 great great JJ 39928 2201 17 complexity complexity NN 39928 2201 18 . . . 39928 2202 1 ( ( -LRB- 39928 2202 2 8) 8) CD 39928 2202 3 Passing pass VBG 39928 2202 4 on on RP 39928 2202 5 to to IN 39928 2202 6 other other JJ 39928 2202 7 planets planet NNS 39928 2202 8 of of IN 39928 2202 9 the the DT 39928 2202 10 solar solar JJ 39928 2202 11 system system NN 39928 2202 12 , , , 39928 2202 13 it -PRON- PRP 39928 2202 14 is be VBZ 39928 2202 15 shown show VBN 39928 2202 16 that that IN 39928 2202 17 none none NN 39928 2202 18 of of IN 39928 2202 19 them -PRON- PRP 39928 2202 20 combine combine VBP 39928 2202 21 all all PDT 39928 2202 22 the the DT 39928 2202 23 complex complex JJ 39928 2202 24 conditions condition NNS 39928 2202 25 which which WDT 39928 2202 26 are be VBP 39928 2202 27 found find VBN 39928 2202 28 to to TO 39928 2202 29 work work VB 39928 2202 30 harmoniously harmoniously RB 39928 2202 31 together together RB 39928 2202 32 on on IN 39928 2202 33 the the DT 39928 2202 34 earth earth NN 39928 2202 35 ; ; : 39928 2202 36 while while IN 39928 2202 37 in in IN 39928 2202 38 most most JJS 39928 2202 39 cases case NNS 39928 2202 40 there there EX 39928 2202 41 is be VBZ 39928 2202 42 some some DT 39928 2202 43 one one CD 39928 2202 44 defect defect NN 39928 2202 45 which which WDT 39928 2202 46 alone alone RB 39928 2202 47 removes remove VBZ 39928 2202 48 them -PRON- PRP 39928 2202 49 from from IN 39928 2202 50 the the DT 39928 2202 51 category category NN 39928 2202 52 of of IN 39928 2202 53 possible possible JJ 39928 2202 54 life life NN 39928 2202 55 - - HYPH 39928 2202 56 producing produce VBG 39928 2202 57 and and CC 39928 2202 58 life life NN 39928 2202 59 - - HYPH 39928 2202 60 supporting support VBG 39928 2202 61 planets planet NNS 39928 2202 62 . . . 39928 2203 1 Among among IN 39928 2203 2 these these DT 39928 2203 3 are be VBP 39928 2203 4 the the DT 39928 2203 5 small small JJ 39928 2203 6 size size NN 39928 2203 7 and and CC 39928 2203 8 mass mass NN 39928 2203 9 of of IN 39928 2203 10 Mars Mars NNP 39928 2203 11 , , , 39928 2203 12 being be VBG 39928 2203 13 such such JJ 39928 2203 14 that that IN 39928 2203 15 it -PRON- PRP 39928 2203 16 can can MD 39928 2203 17 not not RB 39928 2203 18 retain retain VB 39928 2203 19 aqueous aqueous JJ 39928 2203 20 vapour vapour NN 39928 2203 21 ; ; : 39928 2203 22 and and CC 39928 2203 23 the the DT 39928 2203 24 fact fact NN 39928 2203 25 that that IN 39928 2203 26 Venus Venus NNP 39928 2203 27 rotates rotate NNS 39928 2203 28 on on IN 39928 2203 29 its -PRON- PRP$ 39928 2203 30 axis axis NN 39928 2203 31 in in IN 39928 2203 32 the the DT 39928 2203 33 same same JJ 39928 2203 34 time time NN 39928 2203 35 as as IN 39928 2203 36 it -PRON- PRP 39928 2203 37 takes take VBZ 39928 2203 38 to to TO 39928 2203 39 revolve revolve VB 39928 2203 40 round round IN 39928 2203 41 the the DT 39928 2203 42 sun sun NN 39928 2203 43 . . . 39928 2204 1 Neither neither DT 39928 2204 2 of of IN 39928 2204 3 these these DT 39928 2204 4 facts fact NNS 39928 2204 5 was be VBD 39928 2204 6 known know VBN 39928 2204 7 when when WRB 39928 2204 8 Proctor Proctor NNP 39928 2204 9 wrote write VBD 39928 2204 10 upon upon IN 39928 2204 11 the the DT 39928 2204 12 question question NN 39928 2204 13 of of IN 39928 2204 14 the the DT 39928 2204 15 habitability habitability NN 39928 2204 16 of of IN 39928 2204 17 the the DT 39928 2204 18 planets planet NNS 39928 2204 19 . . . 39928 2205 1 All all PDT 39928 2205 2 the the DT 39928 2205 3 other other JJ 39928 2205 4 planets planet NNS 39928 2205 5 are be VBP 39928 2205 6 now now RB 39928 2205 7 given give VBN 39928 2205 8 up up RP 39928 2205 9 -- -- : 39928 2205 10 and and CC 39928 2205 11 were be VBD 39928 2205 12 given give VBN 39928 2205 13 up up RP 39928 2205 14 by by IN 39928 2205 15 Proctor Proctor NNP 39928 2205 16 himself -PRON- PRP 39928 2205 17 -- -- : 39928 2205 18 as as IN 39928 2205 19 possible possible JJ 39928 2205 20 life life NN 39928 2205 21 - - HYPH 39928 2205 22 bearers bearer NNS 39928 2205 23 in in IN 39928 2205 24 their -PRON- PRP$ 39928 2205 25 present present JJ 39928 2205 26 stage stage NN 39928 2205 27 ; ; : 39928 2205 28 but but CC 39928 2205 29 he -PRON- PRP 39928 2205 30 and and CC 39928 2205 31 others other NNS 39928 2205 32 have have VBP 39928 2205 33 held hold VBN 39928 2205 34 that that IN 39928 2205 35 , , , 39928 2205 36 if if IN 39928 2205 37 not not RB 39928 2205 38 suitable suitable JJ 39928 2205 39 now now RB 39928 2205 40 , , , 39928 2205 41 some some DT 39928 2205 42 of of IN 39928 2205 43 them -PRON- PRP 39928 2205 44 may may MD 39928 2205 45 have have VB 39928 2205 46 been be VBN 39928 2205 47 the the DT 39928 2205 48 scene scene NN 39928 2205 49 of of IN 39928 2205 50 life life NN 39928 2205 51 - - HYPH 39928 2205 52 development development NN 39928 2205 53 in in IN 39928 2205 54 the the DT 39928 2205 55 past past NN 39928 2205 56 , , , 39928 2205 57 while while IN 39928 2205 58 others other NNS 39928 2205 59 will will MD 39928 2205 60 be be VB 39928 2205 61 so so RB 39928 2205 62 in in IN 39928 2205 63 the the DT 39928 2205 64 future future NN 39928 2205 65 . . . 39928 2206 1 In in IN 39928 2206 2 order order NN 39928 2206 3 to to TO 39928 2206 4 show show VB 39928 2206 5 the the DT 39928 2206 6 futility futility NN 39928 2206 7 of of IN 39928 2206 8 this this DT 39928 2206 9 supposition supposition NN 39928 2206 10 , , , 39928 2206 11 the the DT 39928 2206 12 problem problem NN 39928 2206 13 of of IN 39928 2206 14 the the DT 39928 2206 15 duration duration NN 39928 2206 16 of of IN 39928 2206 17 the the DT 39928 2206 18 sun sun NN 39928 2206 19 as as IN 39928 2206 20 a a DT 39928 2206 21 stable stable JJ 39928 2206 22 heat heat NN 39928 2206 23 - - HYPH 39928 2206 24 giver giver NN 39928 2206 25 is be VBZ 39928 2206 26 discussed discuss VBN 39928 2206 27 ; ; : 39928 2206 28 and and CC 39928 2206 29 it -PRON- PRP 39928 2206 30 is be VBZ 39928 2206 31 shown show VBN 39928 2206 32 that that IN 39928 2206 33 it -PRON- PRP 39928 2206 34 is be VBZ 39928 2206 35 only only RB 39928 2206 36 by by IN 39928 2206 37 reducing reduce VBG 39928 2206 38 the the DT 39928 2206 39 periods period NNS 39928 2206 40 claimed claim VBN 39928 2206 41 by by IN 39928 2206 42 geologists geologist NNS 39928 2206 43 and and CC 39928 2206 44 biologists biologist NNS 39928 2206 45 for for IN 39928 2206 46 life life NN 39928 2206 47 - - HYPH 39928 2206 48 development development NN 39928 2206 49 upon upon IN 39928 2206 50 the the DT 39928 2206 51 earth earth NN 39928 2206 52 , , , 39928 2206 53 and and CC 39928 2206 54 by by IN 39928 2206 55 extending extend VBG 39928 2206 56 the the DT 39928 2206 57 time time NN 39928 2206 58 allowed allow VBN 39928 2206 59 by by IN 39928 2206 60 physicists physicist NNS 39928 2206 61 to to IN 39928 2206 62 its -PRON- PRP$ 39928 2206 63 utmost utmost JJ 39928 2206 64 limits limit NNS 39928 2206 65 , , , 39928 2206 66 that that IN 39928 2206 67 the the DT 39928 2206 68 two two CD 39928 2206 69 claims claim NNS 39928 2206 70 can can MD 39928 2206 71 be be VB 39928 2206 72 harmonised harmonise VBN 39928 2206 73 . . . 39928 2207 1 It -PRON- PRP 39928 2207 2 follows follow VBZ 39928 2207 3 that that IN 39928 2207 4 the the DT 39928 2207 5 whole whole JJ 39928 2207 6 period period NN 39928 2207 7 of of IN 39928 2207 8 the the DT 39928 2207 9 sun sun NN 39928 2207 10 's 's POS 39928 2207 11 duration duration NN 39928 2207 12 as as IN 39928 2207 13 a a DT 39928 2207 14 light light NN 39928 2207 15 and and CC 39928 2207 16 heat heat NN 39928 2207 17 - - HYPH 39928 2207 18 giver giver NN 39928 2207 19 has have VBZ 39928 2207 20 been be VBN 39928 2207 21 required require VBN 39928 2207 22 for for IN 39928 2207 23 the the DT 39928 2207 24 development development NN 39928 2207 25 of of IN 39928 2207 26 life life NN 39928 2207 27 upon upon IN 39928 2207 28 the the DT 39928 2207 29 earth earth NN 39928 2207 30 ; ; : 39928 2207 31 and and CC 39928 2207 32 that that IN 39928 2207 33 it -PRON- PRP 39928 2207 34 is be VBZ 39928 2207 35 only only RB 39928 2207 36 upon upon IN 39928 2207 37 planets planet NNS 39928 2207 38 whose whose WP$ 39928 2207 39 phases phase NNS 39928 2207 40 of of IN 39928 2207 41 development development NN 39928 2207 42 synchronise synchronise NN 39928 2207 43 with with IN 39928 2207 44 that that DT 39928 2207 45 of of IN 39928 2207 46 the the DT 39928 2207 47 earth earth NN 39928 2207 48 that that WDT 39928 2207 49 the the DT 39928 2207 50 evolution evolution NN 39928 2207 51 of of IN 39928 2207 52 life life NN 39928 2207 53 is be VBZ 39928 2207 54 possible possible JJ 39928 2207 55 . . . 39928 2208 1 For for IN 39928 2208 2 those those DT 39928 2208 3 whose whose WP$ 39928 2208 4 material material NN 39928 2208 5 evolution evolution NN 39928 2208 6 has have VBZ 39928 2208 7 gone go VBN 39928 2208 8 on on RP 39928 2208 9 quicker quick JJR 39928 2208 10 or or CC 39928 2208 11 slower slow JJR 39928 2208 12 , , , 39928 2208 13 there there EX 39928 2208 14 has have VBZ 39928 2208 15 not not RB 39928 2208 16 been be VBN 39928 2208 17 , , , 39928 2208 18 or or CC 39928 2208 19 will will MD 39928 2208 20 not not RB 39928 2208 21 be be VB 39928 2208 22 , , , 39928 2208 23 time time NN 39928 2208 24 enough enough RB 39928 2208 25 for for IN 39928 2208 26 the the DT 39928 2208 27 development development NN 39928 2208 28 of of IN 39928 2208 29 life life NN 39928 2208 30 . . . 39928 2209 1 ( ( -LRB- 39928 2209 2 9 9 LS 39928 2209 3 ) ) -RRB- 39928 2209 4 The the DT 39928 2209 5 problem problem NN 39928 2209 6 of of IN 39928 2209 7 the the DT 39928 2209 8 stars star NNS 39928 2209 9 as as IN 39928 2209 10 possibly possibly RB 39928 2209 11 having have VBG 39928 2209 12 life life NN 39928 2209 13 - - HYPH 39928 2209 14 supporting support VBG 39928 2209 15 planets planet NNS 39928 2209 16 is be VBZ 39928 2209 17 next next JJ 39928 2209 18 dealt dealt NN 39928 2209 19 with with IN 39928 2209 20 , , , 39928 2209 21 and and CC 39928 2209 22 reasons reason NNS 39928 2209 23 are be VBP 39928 2209 24 given give VBN 39928 2209 25 why why WRB 39928 2209 26 in in IN 39928 2209 27 only only RB 39928 2209 28 a a DT 39928 2209 29 minute minute NN 39928 2209 30 portion portion NN 39928 2209 31 of of IN 39928 2209 32 the the DT 39928 2209 33 whole whole NN 39928 2209 34 is be VBZ 39928 2209 35 this this DT 39928 2209 36 possible possible JJ 39928 2209 37 . . . 39928 2210 1 Even even RB 39928 2210 2 in in IN 39928 2210 3 that that DT 39928 2210 4 minute minute NN 39928 2210 5 portion portion NN 39928 2210 6 , , , 39928 2210 7 reduced reduce VBN 39928 2210 8 probably probably RB 39928 2210 9 to to IN 39928 2210 10 a a DT 39928 2210 11 few few JJ 39928 2210 12 of of IN 39928 2210 13 the the DT 39928 2210 14 component component NN 39928 2210 15 suns sun NNS 39928 2210 16 of of IN 39928 2210 17 the the DT 39928 2210 18 solar solar JJ 39928 2210 19 - - HYPH 39928 2210 20 cluster cluster NN 39928 2210 21 , , , 39928 2210 22 a a DT 39928 2210 23 large large JJ 39928 2210 24 proportion proportion NN 39928 2210 25 seems seem VBZ 39928 2210 26 likely likely JJ 39928 2210 27 to to TO 39928 2210 28 be be VB 39928 2210 29 ruled rule VBN 39928 2210 30 out out RP 39928 2210 31 by by IN 39928 2210 32 being be VBG 39928 2210 33 close close JJ 39928 2210 34 binary binary JJ 39928 2210 35 systems system NNS 39928 2210 36 , , , 39928 2210 37 and and CC 39928 2210 38 another another DT 39928 2210 39 large large JJ 39928 2210 40 portion portion NN 39928 2210 41 by by IN 39928 2210 42 being be VBG 39928 2210 43 in in IN 39928 2210 44 process process NN 39928 2210 45 of of IN 39928 2210 46 aggregation aggregation NN 39928 2210 47 . . . 39928 2211 1 In in IN 39928 2211 2 those those DT 39928 2211 3 remaining remain VBG 39928 2211 4 , , , 39928 2211 5 whether whether IN 39928 2211 6 they -PRON- PRP 39928 2211 7 may may MD 39928 2211 8 be be VB 39928 2211 9 reckoned reckon VBN 39928 2211 10 by by IN 39928 2211 11 tens ten NNS 39928 2211 12 or or CC 39928 2211 13 by by IN 39928 2211 14 hundreds hundred NNS 39928 2211 15 we -PRON- PRP 39928 2211 16 can can MD 39928 2211 17 not not RB 39928 2211 18 say say VB 39928 2211 19 , , , 39928 2211 20 the the DT 39928 2211 21 chances chance NNS 39928 2211 22 against against IN 39928 2211 23 the the DT 39928 2211 24 same same JJ 39928 2211 25 complex complex JJ 39928 2211 26 combination combination NN 39928 2211 27 of of IN 39928 2211 28 conditions condition NNS 39928 2211 29 as as IN 39928 2211 30 those those DT 39928 2211 31 which which WDT 39928 2211 32 we -PRON- PRP 39928 2211 33 find find VBP 39928 2211 34 on on IN 39928 2211 35 the the DT 39928 2211 36 earth earth NN 39928 2211 37 occurring occur VBG 39928 2211 38 on on IN 39928 2211 39 any any DT 39928 2211 40 planet planet NN 39928 2211 41 of of IN 39928 2211 42 any any DT 39928 2211 43 other other JJ 39928 2211 44 sun sun NN 39928 2211 45 are be VBP 39928 2211 46 enormously enormously RB 39928 2211 47 great great JJ 39928 2211 48 . . . 39928 2212 1 ( ( -LRB- 39928 2212 2 10 10 CD 39928 2212 3 ) ) -RRB- 39928 2212 4 I -PRON- PRP 39928 2212 5 then then RB 39928 2212 6 refer refer VBP 39928 2212 7 , , , 39928 2212 8 briefly briefly RB 39928 2212 9 , , , 39928 2212 10 to to IN 39928 2212 11 some some DT 39928 2212 12 recent recent JJ 39928 2212 13 measurements measurement NNS 39928 2212 14 of of IN 39928 2212 15 star star NN 39928 2212 16 - - HYPH 39928 2212 17 radiation radiation NN 39928 2212 18 , , , 39928 2212 19 and and CC 39928 2212 20 suggest suggest VBP 39928 2212 21 that that IN 39928 2212 22 they -PRON- PRP 39928 2212 23 may may MD 39928 2212 24 thus thus RB 39928 2212 25 possibly possibly RB 39928 2212 26 have have VB 39928 2212 27 important important JJ 39928 2212 28 effects effect NNS 39928 2212 29 on on IN 39928 2212 30 the the DT 39928 2212 31 development development NN 39928 2212 32 of of IN 39928 2212 33 vegetable vegetable NN 39928 2212 34 and and CC 39928 2212 35 animal animal NN 39928 2212 36 life life NN 39928 2212 37 ; ; : 39928 2212 38 and and CC 39928 2212 39 , , , 39928 2212 40 finally finally RB 39928 2212 41 , , , 39928 2212 42 I -PRON- PRP 39928 2212 43 discuss discuss VBP 39928 2212 44 the the DT 39928 2212 45 problem problem NN 39928 2212 46 of of IN 39928 2212 47 the the DT 39928 2212 48 stability stability NN 39928 2212 49 of of IN 39928 2212 50 the the DT 39928 2212 51 stellar stellar JJ 39928 2212 52 universe universe NN 39928 2212 53 and and CC 39928 2212 54 the the DT 39928 2212 55 special special JJ 39928 2212 56 advantage advantage NN 39928 2212 57 we -PRON- PRP 39928 2212 58 derive derive VBP 39928 2212 59 from from IN 39928 2212 60 our -PRON- PRP$ 39928 2212 61 central central JJ 39928 2212 62 position position NN 39928 2212 63 , , , 39928 2212 64 suggested suggest VBN 39928 2212 65 by by IN 39928 2212 66 some some DT 39928 2212 67 of of IN 39928 2212 68 the the DT 39928 2212 69 latest late JJS 39928 2212 70 researches research NNS 39928 2212 71 of of IN 39928 2212 72 our -PRON- PRP$ 39928 2212 73 great great JJ 39928 2212 74 mathematician mathematician JJ 39928 2212 75 and and CC 39928 2212 76 physicist physicist JJ 39928 2212 77 -- -- : 39928 2212 78 Lord Lord NNP 39928 2212 79 Kelvin Kelvin NNP 39928 2212 80 . . . 39928 2213 1 CONCLUSIONS conclusion NNS 39928 2213 2 Having have VBG 39928 2213 3 thus thus RB 39928 2213 4 brought bring VBN 39928 2213 5 together together RB 39928 2213 6 the the DT 39928 2213 7 whole whole NN 39928 2213 8 of of IN 39928 2213 9 the the DT 39928 2213 10 available available JJ 39928 2213 11 evidence evidence NN 39928 2213 12 bearing bear VBG 39928 2213 13 upon upon IN 39928 2213 14 the the DT 39928 2213 15 questions question NNS 39928 2213 16 treated treat VBN 39928 2213 17 in in IN 39928 2213 18 this this DT 39928 2213 19 volume volume NN 39928 2213 20 , , , 39928 2213 21 I -PRON- PRP 39928 2213 22 claim claim VBP 39928 2213 23 that that IN 39928 2213 24 certain certain JJ 39928 2213 25 definite definite JJ 39928 2213 26 conclusions conclusion NNS 39928 2213 27 have have VBP 39928 2213 28 been be VBN 39928 2213 29 reached reach VBN 39928 2213 30 and and CC 39928 2213 31 proved prove VBN 39928 2213 32 , , , 39928 2213 33 and and CC 39928 2213 34 that that IN 39928 2213 35 certain certain JJ 39928 2213 36 other other JJ 39928 2213 37 conclusions conclusion NNS 39928 2213 38 have have VBP 39928 2213 39 enormous enormous JJ 39928 2213 40 probabilities probability NNS 39928 2213 41 in in IN 39928 2213 42 their -PRON- PRP$ 39928 2213 43 favour favour NN 39928 2213 44 . . . 39928 2214 1 The the DT 39928 2214 2 conclusions conclusion NNS 39928 2214 3 reached reach VBN 39928 2214 4 by by IN 39928 2214 5 modern modern JJ 39928 2214 6 astronomers astronomer NNS 39928 2214 7 are be VBP 39928 2214 8 : : : 39928 2214 9 ( ( -LRB- 39928 2214 10 1 1 LS 39928 2214 11 ) ) -RRB- 39928 2214 12 That that IN 39928 2214 13 the the DT 39928 2214 14 stellar stellar JJ 39928 2214 15 universe universe NN 39928 2214 16 forms form NNS 39928 2214 17 one one CD 39928 2214 18 connected connect VBN 39928 2214 19 whole whole NN 39928 2214 20 ; ; : 39928 2214 21 and and CC 39928 2214 22 , , , 39928 2214 23 though though IN 39928 2214 24 of of IN 39928 2214 25 enormous enormous JJ 39928 2214 26 extent extent NN 39928 2214 27 , , , 39928 2214 28 is be VBZ 39928 2214 29 yet yet RB 39928 2214 30 finite finite JJ 39928 2214 31 , , , 39928 2214 32 and and CC 39928 2214 33 its -PRON- PRP$ 39928 2214 34 extent extent NN 39928 2214 35 determinable determinable NN 39928 2214 36 . . . 39928 2215 1 ( ( -LRB- 39928 2215 2 2 2 LS 39928 2215 3 ) ) -RRB- 39928 2215 4 That that IN 39928 2215 5 the the DT 39928 2215 6 solar solar JJ 39928 2215 7 system system NN 39928 2215 8 is be VBZ 39928 2215 9 situated situate VBN 39928 2215 10 in in IN 39928 2215 11 the the DT 39928 2215 12 plane plane NN 39928 2215 13 of of IN 39928 2215 14 the the DT 39928 2215 15 Milky Milky NNP 39928 2215 16 Way Way NNP 39928 2215 17 , , , 39928 2215 18 and and CC 39928 2215 19 not not RB 39928 2215 20 far far RB 39928 2215 21 removed remove VBN 39928 2215 22 from from IN 39928 2215 23 the the DT 39928 2215 24 centre centre NN 39928 2215 25 of of IN 39928 2215 26 that that DT 39928 2215 27 plane plane NN 39928 2215 28 . . . 39928 2216 1 The the DT 39928 2216 2 earth earth NN 39928 2216 3 is be VBZ 39928 2216 4 therefore therefore RB 39928 2216 5 nearly nearly RB 39928 2216 6 in in IN 39928 2216 7 the the DT 39928 2216 8 centre centre NN 39928 2216 9 of of IN 39928 2216 10 the the DT 39928 2216 11 stellar stellar JJ 39928 2216 12 universe universe NN 39928 2216 13 . . . 39928 2217 1 ( ( -LRB- 39928 2217 2 3 3 LS 39928 2217 3 ) ) -RRB- 39928 2217 4 That that IN 39928 2217 5 this this DT 39928 2217 6 universe universe NN 39928 2217 7 consists consist VBZ 39928 2217 8 throughout throughout IN 39928 2217 9 of of IN 39928 2217 10 the the DT 39928 2217 11 same same JJ 39928 2217 12 kinds kind NNS 39928 2217 13 of of IN 39928 2217 14 matter matter NN 39928 2217 15 , , , 39928 2217 16 and and CC 39928 2217 17 is be VBZ 39928 2217 18 subjected subject VBN 39928 2217 19 to to IN 39928 2217 20 the the DT 39928 2217 21 same same JJ 39928 2217 22 physical physical JJ 39928 2217 23 and and CC 39928 2217 24 chemical chemical JJ 39928 2217 25 laws law NNS 39928 2217 26 . . . 39928 2218 1 The the DT 39928 2218 2 conclusions conclusion NNS 39928 2218 3 which which WDT 39928 2218 4 I -PRON- PRP 39928 2218 5 claim claim VBP 39928 2218 6 to to TO 39928 2218 7 have have VB 39928 2218 8 shown show VBN 39928 2218 9 to to TO 39928 2218 10 have have VB 39928 2218 11 enormous enormous JJ 39928 2218 12 probabilities probability NNS 39928 2218 13 in in IN 39928 2218 14 their -PRON- PRP$ 39928 2218 15 favour favour NN 39928 2218 16 are-- are-- NNP 39928 2218 17 ( ( -LRB- 39928 2218 18 4 4 CD 39928 2218 19 ) ) -RRB- 39928 2218 20 That that IN 39928 2218 21 no no DT 39928 2218 22 other other JJ 39928 2218 23 planet planet NN 39928 2218 24 in in IN 39928 2218 25 the the DT 39928 2218 26 solar solar JJ 39928 2218 27 system system NN 39928 2218 28 than than IN 39928 2218 29 our -PRON- PRP$ 39928 2218 30 earth earth NN 39928 2218 31 is be VBZ 39928 2218 32 inhabited inhabit VBN 39928 2218 33 or or CC 39928 2218 34 habitable habitable JJ 39928 2218 35 . . . 39928 2219 1 ( ( -LRB- 39928 2219 2 5 5 LS 39928 2219 3 ) ) -RRB- 39928 2219 4 That that IN 39928 2219 5 the the DT 39928 2219 6 probabilities probability NNS 39928 2219 7 are be VBP 39928 2219 8 almost almost RB 39928 2219 9 as as RB 39928 2219 10 great great JJ 39928 2219 11 against against IN 39928 2219 12 any any DT 39928 2219 13 other other JJ 39928 2219 14 sun sun NN 39928 2219 15 possessing possess VBG 39928 2219 16 inhabited inhabited JJ 39928 2219 17 planets planet NNS 39928 2219 18 . . . 39928 2220 1 ( ( -LRB- 39928 2220 2 6 6 LS 39928 2220 3 ) ) -RRB- 39928 2220 4 That that IN 39928 2220 5 the the DT 39928 2220 6 nearly nearly RB 39928 2220 7 central central JJ 39928 2220 8 position position NN 39928 2220 9 of of IN 39928 2220 10 our -PRON- PRP$ 39928 2220 11 sun sun NN 39928 2220 12 is be VBZ 39928 2220 13 probably probably RB 39928 2220 14 a a DT 39928 2220 15 permanent permanent JJ 39928 2220 16 one one NN 39928 2220 17 , , , 39928 2220 18 and and CC 39928 2220 19 has have VBZ 39928 2220 20 been be VBN 39928 2220 21 specially specially RB 39928 2220 22 favourable favourable JJ 39928 2220 23 , , , 39928 2220 24 perhaps perhaps RB 39928 2220 25 absolutely absolutely RB 39928 2220 26 essential essential JJ 39928 2220 27 , , , 39928 2220 28 to to IN 39928 2220 29 life life NN 39928 2220 30 - - HYPH 39928 2220 31 development development NN 39928 2220 32 on on IN 39928 2220 33 the the DT 39928 2220 34 earth earth NN 39928 2220 35 . . . 39928 2221 1 * * NFP 39928 2221 2 * * NFP 39928 2221 3 * * NFP 39928 2221 4 * * NFP 39928 2221 5 * * NFP 39928 2221 6 These these DT 39928 2221 7 latter latter JJ 39928 2221 8 conclusions conclusion NNS 39928 2221 9 depend depend VBP 39928 2221 10 upon upon IN 39928 2221 11 the the DT 39928 2221 12 combination combination NN 39928 2221 13 of of IN 39928 2221 14 a a DT 39928 2221 15 large large JJ 39928 2221 16 number number NN 39928 2221 17 of of IN 39928 2221 18 special special JJ 39928 2221 19 conditions condition NNS 39928 2221 20 , , , 39928 2221 21 each each DT 39928 2221 22 of of IN 39928 2221 23 which which WDT 39928 2221 24 must must MD 39928 2221 25 be be VB 39928 2221 26 in in IN 39928 2221 27 definite definite JJ 39928 2221 28 relation relation NN 39928 2221 29 to to IN 39928 2221 30 many many JJ 39928 2221 31 of of IN 39928 2221 32 the the DT 39928 2221 33 others other NNS 39928 2221 34 , , , 39928 2221 35 and and CC 39928 2221 36 must must MD 39928 2221 37 all all RB 39928 2221 38 have have VB 39928 2221 39 persisted persist VBN 39928 2221 40 simultaneously simultaneously RB 39928 2221 41 during during IN 39928 2221 42 enormous enormous JJ 39928 2221 43 periods period NNS 39928 2221 44 of of IN 39928 2221 45 time time NN 39928 2221 46 . . . 39928 2222 1 The the DT 39928 2222 2 weight weight NN 39928 2222 3 to to TO 39928 2222 4 be be VB 39928 2222 5 given give VBN 39928 2222 6 to to IN 39928 2222 7 this this DT 39928 2222 8 kind kind NN 39928 2222 9 of of IN 39928 2222 10 reasoning reasoning NN 39928 2222 11 depends depend VBZ 39928 2222 12 upon upon IN 39928 2222 13 a a DT 39928 2222 14 full full JJ 39928 2222 15 and and CC 39928 2222 16 fair fair JJ 39928 2222 17 consideration consideration NN 39928 2222 18 of of IN 39928 2222 19 the the DT 39928 2222 20 _ _ NNP 39928 2222 21 whole whole JJ 39928 2222 22 _ _ NNP 39928 2222 23 evidence evidence NN 39928 2222 24 as as IN 39928 2222 25 I -PRON- PRP 39928 2222 26 have have VBP 39928 2222 27 endeavoured endeavour VBN 39928 2222 28 to to TO 39928 2222 29 present present VB 39928 2222 30 it -PRON- PRP 39928 2222 31 in in IN 39928 2222 32 the the DT 39928 2222 33 last last JJ 39928 2222 34 seven seven CD 39928 2222 35 chapters chapter NNS 39928 2222 36 of of IN 39928 2222 37 this this DT 39928 2222 38 book book NN 39928 2222 39 . . . 39928 2223 1 To to IN 39928 2223 2 this this DT 39928 2223 3 evidence evidence NN 39928 2223 4 I -PRON- PRP 39928 2223 5 appeal appeal VBP 39928 2223 6 . . . 39928 2224 1 * * NFP 39928 2224 2 * * NFP 39928 2224 3 * * NFP 39928 2224 4 * * NFP 39928 2224 5 * * NFP 39928 2224 6 This this DT 39928 2224 7 completes complete VBZ 39928 2224 8 my -PRON- PRP$ 39928 2224 9 work work NN 39928 2224 10 as as IN 39928 2224 11 a a DT 39928 2224 12 connected connected JJ 39928 2224 13 argument argument NN 39928 2224 14 , , , 39928 2224 15 founded found VBD 39928 2224 16 wholly wholly RB 39928 2224 17 on on IN 39928 2224 18 the the DT 39928 2224 19 facts fact NNS 39928 2224 20 and and CC 39928 2224 21 principles principle NNS 39928 2224 22 accumulated accumulate VBN 39928 2224 23 by by IN 39928 2224 24 modern modern JJ 39928 2224 25 science science NN 39928 2224 26 ; ; : 39928 2224 27 and and CC 39928 2224 28 it -PRON- PRP 39928 2224 29 leads lead VBZ 39928 2224 30 , , , 39928 2224 31 if if IN 39928 2224 32 my -PRON- PRP$ 39928 2224 33 facts fact NNS 39928 2224 34 are be VBP 39928 2224 35 substantially substantially RB 39928 2224 36 correct correct JJ 39928 2224 37 and and CC 39928 2224 38 my -PRON- PRP$ 39928 2224 39 reasoning reasoning NN 39928 2224 40 sound sound NN 39928 2224 41 , , , 39928 2224 42 to to IN 39928 2224 43 one one CD 39928 2224 44 great great JJ 39928 2224 45 and and CC 39928 2224 46 definite definite JJ 39928 2224 47 conclusion conclusion NN 39928 2224 48 -- -- : 39928 2224 49 that that DT 39928 2224 50 man man NN 39928 2224 51 , , , 39928 2224 52 the the DT 39928 2224 53 culmination culmination NN 39928 2224 54 of of IN 39928 2224 55 conscious conscious JJ 39928 2224 56 organic organic JJ 39928 2224 57 life life NN 39928 2224 58 , , , 39928 2224 59 has have VBZ 39928 2224 60 been be VBN 39928 2224 61 developed develop VBN 39928 2224 62 here here RB 39928 2224 63 only only RB 39928 2224 64 in in IN 39928 2224 65 the the DT 39928 2224 66 whole whole JJ 39928 2224 67 vast vast JJ 39928 2224 68 material material JJ 39928 2224 69 universe universe NN 39928 2224 70 we -PRON- PRP 39928 2224 71 see see VBP 39928 2224 72 around around IN 39928 2224 73 us -PRON- PRP 39928 2224 74 . . . 39928 2225 1 I -PRON- PRP 39928 2225 2 claim claim VBP 39928 2225 3 that that IN 39928 2225 4 this this DT 39928 2225 5 is be VBZ 39928 2225 6 the the DT 39928 2225 7 logical logical JJ 39928 2225 8 outcome outcome NN 39928 2225 9 of of IN 39928 2225 10 the the DT 39928 2225 11 evidence evidence NN 39928 2225 12 , , , 39928 2225 13 if if IN 39928 2225 14 we -PRON- PRP 39928 2225 15 consider consider VBP 39928 2225 16 and and CC 39928 2225 17 weigh weigh VBP 39928 2225 18 this this DT 39928 2225 19 evidence evidence NN 39928 2225 20 without without IN 39928 2225 21 any any DT 39928 2225 22 prepossessions prepossession NNS 39928 2225 23 whatever whatever WDT 39928 2225 24 . . . 39928 2226 1 I -PRON- PRP 39928 2226 2 maintain maintain VBP 39928 2226 3 that that IN 39928 2226 4 it -PRON- PRP 39928 2226 5 is be VBZ 39928 2226 6 a a DT 39928 2226 7 question question NN 39928 2226 8 as as IN 39928 2226 9 to to IN 39928 2226 10 which which WDT 39928 2226 11 we -PRON- PRP 39928 2226 12 have have VBP 39928 2226 13 no no DT 39928 2226 14 right right NN 39928 2226 15 to to TO 39928 2226 16 form form VB 39928 2226 17 _ _ NNP 39928 2226 18 a a DT 39928 2226 19 priori priori FW 39928 2226 20 _ _ NNP 39928 2226 21 opinions opinion NNS 39928 2226 22 not not RB 39928 2226 23 founded found VBN 39928 2226 24 upon upon IN 39928 2226 25 evidence evidence NN 39928 2226 26 . . . 39928 2227 1 And and CC 39928 2227 2 evidence evidence NN 39928 2227 3 opposed oppose VBD 39928 2227 4 to to IN 39928 2227 5 this this DT 39928 2227 6 conclusion conclusion NN 39928 2227 7 , , , 39928 2227 8 or or CC 39928 2227 9 even even RB 39928 2227 10 as as IN 39928 2227 11 to to IN 39928 2227 12 its -PRON- PRP$ 39928 2227 13 improbability improbability NN 39928 2227 14 , , , 39928 2227 15 we -PRON- PRP 39928 2227 16 have have VBP 39928 2227 17 absolutely absolutely RB 39928 2227 18 none none NN 39928 2227 19 whatever whatever WDT 39928 2227 20 . . . 39928 2228 1 But but CC 39928 2228 2 , , , 39928 2228 3 if if IN 39928 2228 4 we -PRON- PRP 39928 2228 5 admit admit VBP 39928 2228 6 the the DT 39928 2228 7 conclusion conclusion NN 39928 2228 8 , , , 39928 2228 9 nothing nothing NN 39928 2228 10 that that WDT 39928 2228 11 need need VBP 39928 2228 12 alarm alarm NN 39928 2228 13 either either CC 39928 2228 14 the the DT 39928 2228 15 scientific scientific JJ 39928 2228 16 or or CC 39928 2228 17 the the DT 39928 2228 18 religious religious JJ 39928 2228 19 mind mind NN 39928 2228 20 necessarily necessarily RB 39928 2228 21 follows follow VBZ 39928 2228 22 , , , 39928 2228 23 because because IN 39928 2228 24 it -PRON- PRP 39928 2228 25 can can MD 39928 2228 26 be be VB 39928 2228 27 explained explain VBN 39928 2228 28 or or CC 39928 2228 29 accounted account VBN 39928 2228 30 for for IN 39928 2228 31 in in IN 39928 2228 32 either either DT 39928 2228 33 of of IN 39928 2228 34 two two CD 39928 2228 35 distinct distinct JJ 39928 2228 36 ways way NNS 39928 2228 37 . . . 39928 2229 1 One one CD 39928 2229 2 considerable considerable JJ 39928 2229 3 body body NN 39928 2229 4 , , , 39928 2229 5 including include VBG 39928 2229 6 probably probably RB 39928 2229 7 the the DT 39928 2229 8 majority majority NN 39928 2229 9 of of IN 39928 2229 10 men man NNS 39928 2229 11 of of IN 39928 2229 12 science science NN 39928 2229 13 , , , 39928 2229 14 will will MD 39928 2229 15 admit admit VB 39928 2229 16 that that IN 39928 2229 17 the the DT 39928 2229 18 evidence evidence NN 39928 2229 19 does do VBZ 39928 2229 20 apparently apparently RB 39928 2229 21 lead lead VB 39928 2229 22 to to IN 39928 2229 23 this this DT 39928 2229 24 conclusion conclusion NN 39928 2229 25 , , , 39928 2229 26 but but CC 39928 2229 27 will will MD 39928 2229 28 explain explain VB 39928 2229 29 it -PRON- PRP 39928 2229 30 as as IN 39928 2229 31 due due IN 39928 2229 32 to to IN 39928 2229 33 a a DT 39928 2229 34 fortunate fortunate JJ 39928 2229 35 coincidence coincidence NN 39928 2229 36 . . . 39928 2230 1 There there EX 39928 2230 2 might may MD 39928 2230 3 have have VB 39928 2230 4 been be VBN 39928 2230 5 a a DT 39928 2230 6 hundred hundred CD 39928 2230 7 or or CC 39928 2230 8 a a DT 39928 2230 9 thousand thousand CD 39928 2230 10 life life NN 39928 2230 11 - - HYPH 39928 2230 12 bearing bear VBG 39928 2230 13 planets planet NNS 39928 2230 14 , , , 39928 2230 15 had have VBD 39928 2230 16 the the DT 39928 2230 17 course course NN 39928 2230 18 of of IN 39928 2230 19 evolution evolution NN 39928 2230 20 of of IN 39928 2230 21 the the DT 39928 2230 22 universe universe NN 39928 2230 23 been be VBN 39928 2230 24 a a DT 39928 2230 25 little little RB 39928 2230 26 different different JJ 39928 2230 27 , , , 39928 2230 28 or or CC 39928 2230 29 there there EX 39928 2230 30 might may MD 39928 2230 31 have have VB 39928 2230 32 been be VBN 39928 2230 33 none none NN 39928 2230 34 at at RB 39928 2230 35 all all RB 39928 2230 36 . . . 39928 2231 1 They -PRON- PRP 39928 2231 2 would would MD 39928 2231 3 probably probably RB 39928 2231 4 add add VB 39928 2231 5 , , , 39928 2231 6 that that IN 39928 2231 7 , , , 39928 2231 8 as as IN 39928 2231 9 life life NN 39928 2231 10 and and CC 39928 2231 11 man man NN 39928 2231 12 _ _ NNP 39928 2231 13 have have VBP 39928 2231 14 _ _ NNP 39928 2231 15 been be VBN 39928 2231 16 produced produce VBN 39928 2231 17 , , , 39928 2231 18 that that DT 39928 2231 19 shows show VBZ 39928 2231 20 that that IN 39928 2231 21 their -PRON- PRP$ 39928 2231 22 production production NN 39928 2231 23 was be VBD 39928 2231 24 possible possible JJ 39928 2231 25 ; ; : 39928 2231 26 and and CC 39928 2231 27 therefore therefore RB 39928 2231 28 , , , 39928 2231 29 if if IN 39928 2231 30 not not RB 39928 2231 31 now now RB 39928 2231 32 then then RB 39928 2231 33 at at IN 39928 2231 34 some some DT 39928 2231 35 other other JJ 39928 2231 36 time time NN 39928 2231 37 , , , 39928 2231 38 if if IN 39928 2231 39 not not RB 39928 2231 40 here here RB 39928 2231 41 then then RB 39928 2231 42 in in IN 39928 2231 43 some some DT 39928 2231 44 other other JJ 39928 2231 45 planet planet NN 39928 2231 46 of of IN 39928 2231 47 some some DT 39928 2231 48 other other JJ 39928 2231 49 sun sun NN 39928 2231 50 , , , 39928 2231 51 we -PRON- PRP 39928 2231 52 should should MD 39928 2231 53 be be VB 39928 2231 54 sure sure JJ 39928 2231 55 to to TO 39928 2231 56 have have VB 39928 2231 57 come come VBN 39928 2231 58 into into IN 39928 2231 59 existence existence NN 39928 2231 60 ; ; : 39928 2231 61 or or CC 39928 2231 62 if if IN 39928 2231 63 not not RB 39928 2231 64 precisely precisely RB 39928 2231 65 the the DT 39928 2231 66 same same JJ 39928 2231 67 as as IN 39928 2231 68 we -PRON- PRP 39928 2231 69 are be VBP 39928 2231 70 , , , 39928 2231 71 then then RB 39928 2231 72 something something NN 39928 2231 73 a a DT 39928 2231 74 little little RB 39928 2231 75 better well JJR 39928 2231 76 or or CC 39928 2231 77 a a DT 39928 2231 78 little little RB 39928 2231 79 worse bad JJR 39928 2231 80 . . . 39928 2232 1 The the DT 39928 2232 2 other other JJ 39928 2232 3 body body NN 39928 2232 4 , , , 39928 2232 5 and and CC 39928 2232 6 probably probably RB 39928 2232 7 much much RB 39928 2232 8 the the DT 39928 2232 9 largest large JJS 39928 2232 10 , , , 39928 2232 11 would would MD 39928 2232 12 be be VB 39928 2232 13 represented represent VBN 39928 2232 14 by by IN 39928 2232 15 those those DT 39928 2232 16 who who WP 39928 2232 17 , , , 39928 2232 18 holding hold VBG 39928 2232 19 that that DT 39928 2232 20 mind mind NN 39928 2232 21 is be VBZ 39928 2232 22 essentially essentially RB 39928 2232 23 superior superior JJ 39928 2232 24 to to IN 39928 2232 25 matter matter NN 39928 2232 26 and and CC 39928 2232 27 distinct distinct JJ 39928 2232 28 from from IN 39928 2232 29 it -PRON- PRP 39928 2232 30 , , , 39928 2232 31 can can MD 39928 2232 32 not not RB 39928 2232 33 believe believe VB 39928 2232 34 that that DT 39928 2232 35 life life NN 39928 2232 36 , , , 39928 2232 37 consciousness consciousness NN 39928 2232 38 , , , 39928 2232 39 mind mind NN 39928 2232 40 , , , 39928 2232 41 are be VBP 39928 2232 42 products product NNS 39928 2232 43 of of IN 39928 2232 44 matter matter NN 39928 2232 45 . . . 39928 2233 1 They -PRON- PRP 39928 2233 2 hold hold VBP 39928 2233 3 that that IN 39928 2233 4 the the DT 39928 2233 5 marvellous marvellous JJ 39928 2233 6 complexity complexity NN 39928 2233 7 of of IN 39928 2233 8 forces force NNS 39928 2233 9 which which WDT 39928 2233 10 appear appear VBP 39928 2233 11 to to TO 39928 2233 12 control control VB 39928 2233 13 matter matter NN 39928 2233 14 , , , 39928 2233 15 if if IN 39928 2233 16 not not RB 39928 2233 17 actually actually RB 39928 2233 18 to to TO 39928 2233 19 constitute constitute VB 39928 2233 20 it -PRON- PRP 39928 2233 21 , , , 39928 2233 22 are be VBP 39928 2233 23 and and CC 39928 2233 24 must must MD 39928 2233 25 be be VB 39928 2233 26 mind mind NN 39928 2233 27 - - HYPH 39928 2233 28 products product NNS 39928 2233 29 ; ; : 39928 2233 30 and and CC 39928 2233 31 when when WRB 39928 2233 32 they -PRON- PRP 39928 2233 33 see see VBP 39928 2233 34 life life NN 39928 2233 35 and and CC 39928 2233 36 mind mind NN 39928 2233 37 apparently apparently RB 39928 2233 38 rising rise VBG 39928 2233 39 out out IN 39928 2233 40 of of IN 39928 2233 41 matter matter NN 39928 2233 42 and and CC 39928 2233 43 giving give VBG 39928 2233 44 to to IN 39928 2233 45 its -PRON- PRP$ 39928 2233 46 myriad myriad JJ 39928 2233 47 forms form NNS 39928 2233 48 an an DT 39928 2233 49 added add VBN 39928 2233 50 complexity complexity NN 39928 2233 51 and and CC 39928 2233 52 unfathomable unfathomable JJ 39928 2233 53 mystery mystery NN 39928 2233 54 , , , 39928 2233 55 they -PRON- PRP 39928 2233 56 see see VBP 39928 2233 57 in in IN 39928 2233 58 this this DT 39928 2233 59 development development NN 39928 2233 60 an an DT 39928 2233 61 additional additional JJ 39928 2233 62 proof proof NN 39928 2233 63 of of IN 39928 2233 64 the the DT 39928 2233 65 supremacy supremacy NN 39928 2233 66 of of IN 39928 2233 67 mind mind NN 39928 2233 68 . . . 39928 2234 1 Such such JJ 39928 2234 2 persons person NNS 39928 2234 3 would would MD 39928 2234 4 be be VB 39928 2234 5 inclined inclined JJ 39928 2234 6 to to IN 39928 2234 7 the the DT 39928 2234 8 belief belief NN 39928 2234 9 of of IN 39928 2234 10 the the DT 39928 2234 11 great great JJ 39928 2234 12 eighteenth eighteenth JJ 39928 2234 13 century century NN 39928 2234 14 scholar scholar NN 39928 2234 15 , , , 39928 2234 16 Dr. Dr. NNP 39928 2234 17 Bentley Bentley NNP 39928 2234 18 , , , 39928 2234 19 that that IN 39928 2234 20 the the DT 39928 2234 21 soul soul NN 39928 2234 22 of of IN 39928 2234 23 one one CD 39928 2234 24 virtuous virtuous JJ 39928 2234 25 man man NN 39928 2234 26 is be VBZ 39928 2234 27 of of IN 39928 2234 28 greater great JJR 39928 2234 29 worth worth JJ 39928 2234 30 and and CC 39928 2234 31 excellency excellency NN 39928 2234 32 than than IN 39928 2234 33 the the DT 39928 2234 34 sun sun NN 39928 2234 35 and and CC 39928 2234 36 all all PDT 39928 2234 37 his -PRON- PRP$ 39928 2234 38 planets planet NNS 39928 2234 39 and and CC 39928 2234 40 all all PDT 39928 2234 41 the the DT 39928 2234 42 stars star NNS 39928 2234 43 in in IN 39928 2234 44 the the DT 39928 2234 45 heavens heaven NNS 39928 2234 46 ; ; : 39928 2234 47 and and CC 39928 2234 48 when when WRB 39928 2234 49 they -PRON- PRP 39928 2234 50 are be VBP 39928 2234 51 shown show VBN 39928 2234 52 that that IN 39928 2234 53 there there EX 39928 2234 54 are be VBP 39928 2234 55 strong strong JJ 39928 2234 56 reasons reason NNS 39928 2234 57 for for IN 39928 2234 58 thinking think VBG 39928 2234 59 that that DT 39928 2234 60 man man NN 39928 2234 61 _ _ NNP 39928 2234 62 is be VBZ 39928 2234 63 _ _ NNP 39928 2234 64 the the DT 39928 2234 65 unique unique JJ 39928 2234 66 and and CC 39928 2234 67 supreme supreme JJ 39928 2234 68 product product NN 39928 2234 69 of of IN 39928 2234 70 this this DT 39928 2234 71 vast vast JJ 39928 2234 72 universe universe NN 39928 2234 73 , , , 39928 2234 74 they -PRON- PRP 39928 2234 75 will will MD 39928 2234 76 see see VB 39928 2234 77 no no DT 39928 2234 78 difficulty difficulty NN 39928 2234 79 in in IN 39928 2234 80 going go VBG 39928 2234 81 a a DT 39928 2234 82 little little JJ 39928 2234 83 further far RBR 39928 2234 84 , , , 39928 2234 85 and and CC 39928 2234 86 believing believe VBG 39928 2234 87 that that IN 39928 2234 88 the the DT 39928 2234 89 universe universe NN 39928 2234 90 was be VBD 39928 2234 91 actually actually RB 39928 2234 92 brought bring VBN 39928 2234 93 into into IN 39928 2234 94 existence existence NN 39928 2234 95 for for IN 39928 2234 96 this this DT 39928 2234 97 very very JJ 39928 2234 98 purpose purpose NN 39928 2234 99 . . . 39928 2235 1 With with IN 39928 2235 2 infinite infinite JJ 39928 2235 3 space space NN 39928 2235 4 around around IN 39928 2235 5 us -PRON- PRP 39928 2235 6 and and CC 39928 2235 7 infinite infinite JJ 39928 2235 8 time time NN 39928 2235 9 before before RB 39928 2235 10 and and CC 39928 2235 11 behind behind IN 39928 2235 12 us -PRON- PRP 39928 2235 13 , , , 39928 2235 14 there there EX 39928 2235 15 is be VBZ 39928 2235 16 no no DT 39928 2235 17 incongruity incongruity NN 39928 2235 18 in in IN 39928 2235 19 this this DT 39928 2235 20 conception conception NN 39928 2235 21 . . . 39928 2236 1 A a DT 39928 2236 2 universe universe NN 39928 2236 3 as as RB 39928 2236 4 large large JJ 39928 2236 5 as as IN 39928 2236 6 ours our NNS 39928 2236 7 for for IN 39928 2236 8 the the DT 39928 2236 9 purpose purpose NN 39928 2236 10 of of IN 39928 2236 11 bringing bring VBG 39928 2236 12 into into IN 39928 2236 13 existence existence NN 39928 2236 14 many many JJ 39928 2236 15 myriads myriad NNS 39928 2236 16 of of IN 39928 2236 17 living living NN 39928 2236 18 , , , 39928 2236 19 intellectual intellectual JJ 39928 2236 20 , , , 39928 2236 21 moral moral JJ 39928 2236 22 , , , 39928 2236 23 and and CC 39928 2236 24 spiritual spiritual JJ 39928 2236 25 beings being NNS 39928 2236 26 , , , 39928 2236 27 with with IN 39928 2236 28 unlimited unlimited JJ 39928 2236 29 possibilities possibility NNS 39928 2236 30 of of IN 39928 2236 31 life life NN 39928 2236 32 and and CC 39928 2236 33 happiness happiness NN 39928 2236 34 , , , 39928 2236 35 is be VBZ 39928 2236 36 surely surely RB 39928 2236 37 not not RB 39928 2236 38 _ _ IN 39928 2236 39 more more JJR 39928 2236 40 _ _ NNP 39928 2236 41 out out IN 39928 2236 42 of of IN 39928 2236 43 proportion proportion NN 39928 2236 44 than than IN 39928 2236 45 is be VBZ 39928 2236 46 the the DT 39928 2236 47 complex complex JJ 39928 2236 48 machinery machinery NN 39928 2236 49 , , , 39928 2236 50 the the DT 39928 2236 51 life life NN 39928 2236 52 - - HYPH 39928 2236 53 long long JJ 39928 2236 54 labour labour NN 39928 2236 55 , , , 39928 2236 56 the the DT 39928 2236 57 ingenuity ingenuity NN 39928 2236 58 and and CC 39928 2236 59 invention invention NN 39928 2236 60 which which WDT 39928 2236 61 we -PRON- PRP 39928 2236 62 have have VBP 39928 2236 63 bestowed bestow VBN 39928 2236 64 upon upon IN 39928 2236 65 the the DT 39928 2236 66 production production NN 39928 2236 67 of of IN 39928 2236 68 the the DT 39928 2236 69 humble humble JJ 39928 2236 70 , , , 39928 2236 71 the the DT 39928 2236 72 trivial trivial NN 39928 2236 73 , , , 39928 2236 74 _ _ NNP 39928 2236 75 pin pin NNP 39928 2236 76 _ _ NNP 39928 2236 77 . . . 39928 2237 1 Neither neither DT 39928 2237 2 is be VBZ 39928 2237 3 the the DT 39928 2237 4 apparent apparent JJ 39928 2237 5 waste waste NN 39928 2237 6 of of IN 39928 2237 7 energy energy NN 39928 2237 8 so so RB 39928 2237 9 great great RB 39928 2237 10 in in IN 39928 2237 11 such such PDT 39928 2237 12 a a DT 39928 2237 13 universe universe NN 39928 2237 14 , , , 39928 2237 15 comparatively comparatively RB 39928 2237 16 , , , 39928 2237 17 as as IN 39928 2237 18 the the DT 39928 2237 19 millions million NNS 39928 2237 20 of of IN 39928 2237 21 acorns acorn NNS 39928 2237 22 , , , 39928 2237 23 produced produce VBN 39928 2237 24 during during IN 39928 2237 25 its -PRON- PRP$ 39928 2237 26 life life NN 39928 2237 27 by by IN 39928 2237 28 an an DT 39928 2237 29 oak oak NN 39928 2237 30 , , , 39928 2237 31 every every DT 39928 2237 32 one one CD 39928 2237 33 of of IN 39928 2237 34 which which WDT 39928 2237 35 might may MD 39928 2237 36 grow grow VB 39928 2237 37 to to TO 39928 2237 38 be be VB 39928 2237 39 a a DT 39928 2237 40 tree tree NN 39928 2237 41 , , , 39928 2237 42 but but CC 39928 2237 43 of of IN 39928 2237 44 which which WDT 39928 2237 45 only only RB 39928 2237 46 _ _ NNP 39928 2237 47 one one CD 39928 2237 48 _ _ NNP 39928 2237 49 does do VBZ 39928 2237 50 actually actually RB 39928 2237 51 , , , 39928 2237 52 after after IN 39928 2237 53 several several JJ 39928 2237 54 hundred hundred CD 39928 2237 55 years year NNS 39928 2237 56 , , , 39928 2237 57 produce produce VBP 39928 2237 58 the the DT 39928 2237 59 _ _ NNP 39928 2237 60 one one CD 39928 2237 61 _ _ NNP 39928 2237 62 tree tree NN 39928 2237 63 which which WDT 39928 2237 64 is be VBZ 39928 2237 65 to to TO 39928 2237 66 replace replace VB 39928 2237 67 the the DT 39928 2237 68 parent parent NN 39928 2237 69 . . . 39928 2238 1 And and CC 39928 2238 2 if if IN 39928 2238 3 it -PRON- PRP 39928 2238 4 is be VBZ 39928 2238 5 said say VBN 39928 2238 6 that that IN 39928 2238 7 the the DT 39928 2238 8 acorns acorn NNS 39928 2238 9 are be VBP 39928 2238 10 food food NN 39928 2238 11 for for IN 39928 2238 12 bird bird NN 39928 2238 13 and and CC 39928 2238 14 beast beast NN 39928 2238 15 , , , 39928 2238 16 yet yet CC 39928 2238 17 the the DT 39928 2238 18 spores spore NNS 39928 2238 19 of of IN 39928 2238 20 ferns fern NNS 39928 2238 21 and and CC 39928 2238 22 the the DT 39928 2238 23 seeds seed NNS 39928 2238 24 of of IN 39928 2238 25 orchids orchid NNS 39928 2238 26 are be VBP 39928 2238 27 not not RB 39928 2238 28 so so RB 39928 2238 29 , , , 39928 2238 30 and and CC 39928 2238 31 countless countless JJ 39928 2238 32 millions million NNS 39928 2238 33 of of IN 39928 2238 34 these these DT 39928 2238 35 go go VBP 39928 2238 36 to to IN 39928 2238 37 waste waste NN 39928 2238 38 for for IN 39928 2238 39 every every DT 39928 2238 40 one one CD 39928 2238 41 which which WDT 39928 2238 42 reproduces reproduce VBZ 39928 2238 43 the the DT 39928 2238 44 parent parent NN 39928 2238 45 form form NN 39928 2238 46 . . . 39928 2239 1 And and CC 39928 2239 2 all all RB 39928 2239 3 through through IN 39928 2239 4 the the DT 39928 2239 5 animal animal NN 39928 2239 6 world world NN 39928 2239 7 , , , 39928 2239 8 especially especially RB 39928 2239 9 among among IN 39928 2239 10 the the DT 39928 2239 11 lower low JJR 39928 2239 12 types type NNS 39928 2239 13 , , , 39928 2239 14 the the DT 39928 2239 15 same same JJ 39928 2239 16 thing thing NN 39928 2239 17 is be VBZ 39928 2239 18 seen see VBN 39928 2239 19 . . . 39928 2240 1 For for IN 39928 2240 2 the the DT 39928 2240 3 great great JJ 39928 2240 4 majority majority NN 39928 2240 5 of of IN 39928 2240 6 these these DT 39928 2240 7 entities entity NNS 39928 2240 8 _ _ IN 39928 2240 9 we -PRON- PRP 39928 2240 10 _ _ NNP 39928 2240 11 can can MD 39928 2240 12 see see VB 39928 2240 13 no no DT 39928 2240 14 use use NN 39928 2240 15 whatever whatever WDT 39928 2240 16 , , , 39928 2240 17 either either DT 39928 2240 18 of of IN 39928 2240 19 the the DT 39928 2240 20 enormous enormous JJ 39928 2240 21 variety variety NN 39928 2240 22 of of IN 39928 2240 23 the the DT 39928 2240 24 species specie NNS 39928 2240 25 , , , 39928 2240 26 or or CC 39928 2240 27 the the DT 39928 2240 28 vast vast JJ 39928 2240 29 hordes horde NNS 39928 2240 30 of of IN 39928 2240 31 individuals individual NNS 39928 2240 32 . . . 39928 2241 1 Of of IN 39928 2241 2 beetles beetle NNS 39928 2241 3 alone alone JJ 39928 2241 4 there there EX 39928 2241 5 are be VBP 39928 2241 6 at at IN 39928 2241 7 least least JJS 39928 2241 8 a a DT 39928 2241 9 hundred hundred CD 39928 2241 10 thousand thousand CD 39928 2241 11 distinct distinct JJ 39928 2241 12 species specie NNS 39928 2241 13 now now RB 39928 2241 14 living live VBG 39928 2241 15 , , , 39928 2241 16 while while IN 39928 2241 17 in in IN 39928 2241 18 some some DT 39928 2241 19 parts part NNS 39928 2241 20 of of IN 39928 2241 21 sub sub JJ 39928 2241 22 - - JJ 39928 2241 23 arctic arctic JJ 39928 2241 24 America America NNP 39928 2241 25 mosquitoes mosquito NNS 39928 2241 26 are be VBP 39928 2241 27 sometimes sometimes RB 39928 2241 28 so so RB 39928 2241 29 excessively excessively RB 39928 2241 30 abundant abundant JJ 39928 2241 31 that that IN 39928 2241 32 they -PRON- PRP 39928 2241 33 obscure obscure VBP 39928 2241 34 the the DT 39928 2241 35 sun sun NN 39928 2241 36 . . . 39928 2242 1 And and CC 39928 2242 2 when when WRB 39928 2242 3 we -PRON- PRP 39928 2242 4 think think VBP 39928 2242 5 of of IN 39928 2242 6 the the DT 39928 2242 7 myriads myriad NNS 39928 2242 8 that that WDT 39928 2242 9 have have VBP 39928 2242 10 existed exist VBN 39928 2242 11 through through IN 39928 2242 12 the the DT 39928 2242 13 vast vast JJ 39928 2242 14 ages age NNS 39928 2242 15 of of IN 39928 2242 16 geological geological JJ 39928 2242 17 time time NN 39928 2242 18 , , , 39928 2242 19 the the DT 39928 2242 20 mind mind NN 39928 2242 21 reels reel NNS 39928 2242 22 under under IN 39928 2242 23 the the DT 39928 2242 24 immensity immensity NN 39928 2242 25 of of IN 39928 2242 26 , , , 39928 2242 27 to to IN 39928 2242 28 us -PRON- PRP 39928 2242 29 , , , 39928 2242 30 apparently apparently RB 39928 2242 31 useless useless JJ 39928 2242 32 life life NN 39928 2242 33 . . . 39928 2243 1 All all DT 39928 2243 2 nature nature NN 39928 2243 3 tells tell VBZ 39928 2243 4 us -PRON- PRP 39928 2243 5 the the DT 39928 2243 6 same same JJ 39928 2243 7 strange strange JJ 39928 2243 8 , , , 39928 2243 9 mysterious mysterious JJ 39928 2243 10 story story NN 39928 2243 11 , , , 39928 2243 12 of of IN 39928 2243 13 the the DT 39928 2243 14 exuberance exuberance NN 39928 2243 15 of of IN 39928 2243 16 life life NN 39928 2243 17 , , , 39928 2243 18 of of IN 39928 2243 19 endless endless JJ 39928 2243 20 variety variety NN 39928 2243 21 , , , 39928 2243 22 of of IN 39928 2243 23 unimaginable unimaginable JJ 39928 2243 24 quantity quantity NN 39928 2243 25 . . . 39928 2244 1 All all PDT 39928 2244 2 this this DT 39928 2244 3 life life NN 39928 2244 4 upon upon IN 39928 2244 5 our -PRON- PRP$ 39928 2244 6 earth earth NN 39928 2244 7 has have VBZ 39928 2244 8 led lead VBN 39928 2244 9 up up RP 39928 2244 10 to to IN 39928 2244 11 and and CC 39928 2244 12 culminated culminate VBD 39928 2244 13 in in IN 39928 2244 14 that that DT 39928 2244 15 of of IN 39928 2244 16 man man NN 39928 2244 17 . . . 39928 2245 1 It -PRON- PRP 39928 2245 2 has have VBZ 39928 2245 3 been be VBN 39928 2245 4 , , , 39928 2245 5 I -PRON- PRP 39928 2245 6 believe believe VBP 39928 2245 7 , , , 39928 2245 8 a a DT 39928 2245 9 common common JJ 39928 2245 10 and and CC 39928 2245 11 not not RB 39928 2245 12 unpopular unpopular JJ 39928 2245 13 idea idea NN 39928 2245 14 that that IN 39928 2245 15 during during IN 39928 2245 16 the the DT 39928 2245 17 whole whole JJ 39928 2245 18 process process NN 39928 2245 19 of of IN 39928 2245 20 the the DT 39928 2245 21 rise rise NN 39928 2245 22 and and CC 39928 2245 23 growth growth NN 39928 2245 24 and and CC 39928 2245 25 extinction extinction NN 39928 2245 26 of of IN 39928 2245 27 past past JJ 39928 2245 28 forms form NNS 39928 2245 29 , , , 39928 2245 30 the the DT 39928 2245 31 earth earth NN 39928 2245 32 has have VBZ 39928 2245 33 been be VBN 39928 2245 34 preparing prepare VBG 39928 2245 35 for for IN 39928 2245 36 the the DT 39928 2245 37 ultimate ultimate JJ 39928 2245 38 -- -- . 39928 2245 39 Man man NN 39928 2245 40 . . . 39928 2246 1 Much much JJ 39928 2246 2 of of IN 39928 2246 3 the the DT 39928 2246 4 wealth wealth NN 39928 2246 5 and and CC 39928 2246 6 luxuriance luxuriance NN 39928 2246 7 of of IN 39928 2246 8 living live VBG 39928 2246 9 things thing NNS 39928 2246 10 , , , 39928 2246 11 the the DT 39928 2246 12 infinite infinite JJ 39928 2246 13 variety variety NN 39928 2246 14 of of IN 39928 2246 15 form form NN 39928 2246 16 and and CC 39928 2246 17 structure structure NN 39928 2246 18 , , , 39928 2246 19 the the DT 39928 2246 20 exquisite exquisite JJ 39928 2246 21 grace grace NN 39928 2246 22 and and CC 39928 2246 23 beauty beauty NN 39928 2246 24 in in IN 39928 2246 25 bird bird NN 39928 2246 26 and and CC 39928 2246 27 insect insect NN 39928 2246 28 , , , 39928 2246 29 in in IN 39928 2246 30 foliage foliage NN 39928 2246 31 and and CC 39928 2246 32 flower flower NN 39928 2246 33 , , , 39928 2246 34 may may MD 39928 2246 35 have have VB 39928 2246 36 been be VBN 39928 2246 37 mere mere JJ 39928 2246 38 by by NNS 39928 2246 39 - - HYPH 39928 2246 40 products product NNS 39928 2246 41 of of IN 39928 2246 42 the the DT 39928 2246 43 grand grand JJ 39928 2246 44 mechanism mechanism NN 39928 2246 45 we -PRON- PRP 39928 2246 46 call call VBP 39928 2246 47 nature nature NN 39928 2246 48 -- -- : 39928 2246 49 the the DT 39928 2246 50 one one NN 39928 2246 51 and and CC 39928 2246 52 only only RB 39928 2246 53 method method NN 39928 2246 54 of of IN 39928 2246 55 developing develop VBG 39928 2246 56 humanity humanity NN 39928 2246 57 . . . 39928 2247 1 And and CC 39928 2247 2 is be VBZ 39928 2247 3 it -PRON- PRP 39928 2247 4 not not RB 39928 2247 5 in in IN 39928 2247 6 perfect perfect JJ 39928 2247 7 harmony harmony NN 39928 2247 8 with with IN 39928 2247 9 this this DT 39928 2247 10 grandeur grandeur NN 39928 2247 11 of of IN 39928 2247 12 design design NN 39928 2247 13 ( ( -LRB- 39928 2247 14 if if IN 39928 2247 15 it -PRON- PRP 39928 2247 16 be be VBP 39928 2247 17 design design NN 39928 2247 18 ) ) -RRB- 39928 2247 19 , , , 39928 2247 20 this this DT 39928 2247 21 vastness vastness NN 39928 2247 22 of of IN 39928 2247 23 scale scale NN 39928 2247 24 , , , 39928 2247 25 this this DT 39928 2247 26 marvellous marvellous JJ 39928 2247 27 process process NN 39928 2247 28 of of IN 39928 2247 29 development development NN 39928 2247 30 through through IN 39928 2247 31 all all PDT 39928 2247 32 the the DT 39928 2247 33 ages age NNS 39928 2247 34 , , , 39928 2247 35 that that IN 39928 2247 36 the the DT 39928 2247 37 material material JJ 39928 2247 38 universe universe NN 39928 2247 39 needed need VBN 39928 2247 40 to to TO 39928 2247 41 produce produce VB 39928 2247 42 this this DT 39928 2247 43 cradle cradle NN 39928 2247 44 of of IN 39928 2247 45 organic organic JJ 39928 2247 46 life life NN 39928 2247 47 , , , 39928 2247 48 and and CC 39928 2247 49 of of IN 39928 2247 50 a a DT 39928 2247 51 being be VBG 39928 2247 52 destined destine VBN 39928 2247 53 to to IN 39928 2247 54 a a DT 39928 2247 55 higher high JJR 39928 2247 56 and and CC 39928 2247 57 a a DT 39928 2247 58 permanent permanent JJ 39928 2247 59 existence existence NN 39928 2247 60 , , , 39928 2247 61 should should MD 39928 2247 62 be be VB 39928 2247 63 on on IN 39928 2247 64 a a DT 39928 2247 65 corresponding corresponding JJ 39928 2247 66 scale scale NN 39928 2247 67 of of IN 39928 2247 68 vastness vastness NN 39928 2247 69 , , , 39928 2247 70 of of IN 39928 2247 71 complexity complexity NN 39928 2247 72 , , , 39928 2247 73 of of IN 39928 2247 74 beauty beauty NN 39928 2247 75 ? ? . 39928 2248 1 Even even RB 39928 2248 2 if if IN 39928 2248 3 there there EX 39928 2248 4 were be VBD 39928 2248 5 no no DT 39928 2248 6 such such JJ 39928 2248 7 evidence evidence NN 39928 2248 8 as as IN 39928 2248 9 I -PRON- PRP 39928 2248 10 have have VBP 39928 2248 11 here here RB 39928 2248 12 adduced adduce VBN 39928 2248 13 for for IN 39928 2248 14 the the DT 39928 2248 15 unique unique JJ 39928 2248 16 position position NN 39928 2248 17 and and CC 39928 2248 18 the the DT 39928 2248 19 exceptional exceptional JJ 39928 2248 20 characteristics characteristic NNS 39928 2248 21 which which WDT 39928 2248 22 distinguish distinguish VBP 39928 2248 23 the the DT 39928 2248 24 earth earth NN 39928 2248 25 , , , 39928 2248 26 the the DT 39928 2248 27 old old JJ 39928 2248 28 idea idea NN 39928 2248 29 that that IN 39928 2248 30 all all PDT 39928 2248 31 the the DT 39928 2248 32 planets planet NNS 39928 2248 33 were be VBD 39928 2248 34 inhabited inhabit VBN 39928 2248 35 , , , 39928 2248 36 and and CC 39928 2248 37 that that IN 39928 2248 38 all all PDT 39928 2248 39 the the DT 39928 2248 40 stars star NNS 39928 2248 41 existed exist VBD 39928 2248 42 for for IN 39928 2248 43 the the DT 39928 2248 44 sake sake NN 39928 2248 45 of of IN 39928 2248 46 other other JJ 39928 2248 47 planets planet NNS 39928 2248 48 , , , 39928 2248 49 which which WDT 39928 2248 50 planets planet NNS 39928 2248 51 existed exist VBD 39928 2248 52 to to TO 39928 2248 53 develop develop VB 39928 2248 54 life life NN 39928 2248 55 , , , 39928 2248 56 would would MD 39928 2248 57 , , , 39928 2248 58 in in IN 39928 2248 59 the the DT 39928 2248 60 light light NN 39928 2248 61 of of IN 39928 2248 62 our -PRON- PRP$ 39928 2248 63 present present JJ 39928 2248 64 knowledge knowledge NN 39928 2248 65 , , , 39928 2248 66 seem seem VBP 39928 2248 67 utterly utterly RB 39928 2248 68 improbable improbable JJ 39928 2248 69 and and CC 39928 2248 70 incredible incredible JJ 39928 2248 71 . . . 39928 2249 1 It -PRON- PRP 39928 2249 2 would would MD 39928 2249 3 introduce introduce VB 39928 2249 4 monotony monotony NN 39928 2249 5 into into IN 39928 2249 6 a a DT 39928 2249 7 universe universe NN 39928 2249 8 whose whose WP$ 39928 2249 9 grand grand JJ 39928 2249 10 character character NN 39928 2249 11 and and CC 39928 2249 12 teaching teaching NN 39928 2249 13 is be VBZ 39928 2249 14 endless endless JJ 39928 2249 15 diversity diversity NN 39928 2249 16 . . . 39928 2250 1 It -PRON- PRP 39928 2250 2 would would MD 39928 2250 3 imply imply VB 39928 2250 4 that that DT 39928 2250 5 to to TO 39928 2250 6 produce produce VB 39928 2250 7 the the DT 39928 2250 8 living live VBG 39928 2250 9 soul soul NN 39928 2250 10 in in IN 39928 2250 11 the the DT 39928 2250 12 marvellous marvellous JJ 39928 2250 13 and and CC 39928 2250 14 glorious glorious JJ 39928 2250 15 body body NN 39928 2250 16 of of IN 39928 2250 17 man man NN 39928 2250 18 -- -- : 39928 2250 19 man man NN 39928 2250 20 with with IN 39928 2250 21 his -PRON- PRP$ 39928 2250 22 faculties faculty NNS 39928 2250 23 , , , 39928 2250 24 his -PRON- PRP$ 39928 2250 25 aspirations aspiration NNS 39928 2250 26 , , , 39928 2250 27 his -PRON- PRP$ 39928 2250 28 powers power NNS 39928 2250 29 for for IN 39928 2250 30 good good NN 39928 2250 31 and and CC 39928 2250 32 evil evil NN 39928 2250 33 -- -- : 39928 2250 34 that that IN 39928 2250 35 this this DT 39928 2250 36 was be VBD 39928 2250 37 an an DT 39928 2250 38 easy easy JJ 39928 2250 39 matter matter NN 39928 2250 40 which which WDT 39928 2250 41 could could MD 39928 2250 42 be be VB 39928 2250 43 brought bring VBN 39928 2250 44 about about RP 39928 2250 45 anywhere anywhere RB 39928 2250 46 , , , 39928 2250 47 in in IN 39928 2250 48 any any DT 39928 2250 49 world world NN 39928 2250 50 . . . 39928 2251 1 It -PRON- PRP 39928 2251 2 would would MD 39928 2251 3 imply imply VB 39928 2251 4 that that DT 39928 2251 5 man man NN 39928 2251 6 is be VBZ 39928 2251 7 an an DT 39928 2251 8 animal animal NN 39928 2251 9 and and CC 39928 2251 10 nothing nothing NN 39928 2251 11 more more JJR 39928 2251 12 , , , 39928 2251 13 is be VBZ 39928 2251 14 of of IN 39928 2251 15 no no DT 39928 2251 16 importance importance NN 39928 2251 17 in in IN 39928 2251 18 the the DT 39928 2251 19 universe universe NN 39928 2251 20 , , , 39928 2251 21 needed need VBD 39928 2251 22 no no DT 39928 2251 23 great great JJ 39928 2251 24 preparations preparation NNS 39928 2251 25 for for IN 39928 2251 26 his -PRON- PRP$ 39928 2251 27 advent advent NN 39928 2251 28 , , , 39928 2251 29 only only RB 39928 2251 30 , , , 39928 2251 31 perhaps perhaps RB 39928 2251 32 , , , 39928 2251 33 a a DT 39928 2251 34 second second JJ 39928 2251 35 - - HYPH 39928 2251 36 rate rate NN 39928 2251 37 demon demon NN 39928 2251 38 , , , 39928 2251 39 and and CC 39928 2251 40 a a DT 39928 2251 41 third third JJ 39928 2251 42 or or CC 39928 2251 43 fourth fourth JJ 39928 2251 44 - - HYPH 39928 2251 45 rate rate NN 39928 2251 46 earth earth NN 39928 2251 47 . . . 39928 2252 1 Looking look VBG 39928 2252 2 at at IN 39928 2252 3 the the DT 39928 2252 4 long long JJ 39928 2252 5 and and CC 39928 2252 6 slow slow JJ 39928 2252 7 and and CC 39928 2252 8 complex complex JJ 39928 2252 9 growth growth NN 39928 2252 10 of of IN 39928 2252 11 nature nature NN 39928 2252 12 that that WDT 39928 2252 13 preceded precede VBD 39928 2252 14 his -PRON- PRP$ 39928 2252 15 appearance appearance NN 39928 2252 16 , , , 39928 2252 17 the the DT 39928 2252 18 immensity immensity NN 39928 2252 19 of of IN 39928 2252 20 the the DT 39928 2252 21 stellar stellar JJ 39928 2252 22 universe universe NN 39928 2252 23 with with IN 39928 2252 24 its -PRON- PRP$ 39928 2252 25 thousand thousand CD 39928 2252 26 million million CD 39928 2252 27 suns sun NNS 39928 2252 28 , , , 39928 2252 29 and and CC 39928 2252 30 the the DT 39928 2252 31 vast vast JJ 39928 2252 32 æons æon NNS 39928 2252 33 of of IN 39928 2252 34 time time NN 39928 2252 35 during during IN 39928 2252 36 which which WDT 39928 2252 37 it -PRON- PRP 39928 2252 38 has have VBZ 39928 2252 39 been be VBN 39928 2252 40 developing develop VBG 39928 2252 41 -- -- : 39928 2252 42 all all PDT 39928 2252 43 these these DT 39928 2252 44 seem seem VBP 39928 2252 45 only only RB 39928 2252 46 the the DT 39928 2252 47 appropriate appropriate JJ 39928 2252 48 and and CC 39928 2252 49 harmonious harmonious JJ 39928 2252 50 surroundings surrounding NNS 39928 2252 51 , , , 39928 2252 52 the the DT 39928 2252 53 necessary necessary JJ 39928 2252 54 supply supply NN 39928 2252 55 of of IN 39928 2252 56 material material NN 39928 2252 57 , , , 39928 2252 58 the the DT 39928 2252 59 sufficiently sufficiently RB 39928 2252 60 spacious spacious JJ 39928 2252 61 workshop workshop NN 39928 2252 62 for for IN 39928 2252 63 the the DT 39928 2252 64 production production NN 39928 2252 65 of of IN 39928 2252 66 that that DT 39928 2252 67 planet planet NN 39928 2252 68 which which WDT 39928 2252 69 was be VBD 39928 2252 70 to to TO 39928 2252 71 produce produce VB 39928 2252 72 first first RB 39928 2252 73 , , , 39928 2252 74 the the DT 39928 2252 75 organic organic JJ 39928 2252 76 world world NN 39928 2252 77 , , , 39928 2252 78 and and CC 39928 2252 79 then then RB 39928 2252 80 , , , 39928 2252 81 Man Man NNP 39928 2252 82 . . . 39928 2253 1 In in IN 39928 2253 2 one one CD 39928 2253 3 of of IN 39928 2253 4 his -PRON- PRP$ 39928 2253 5 finest fine JJS 39928 2253 6 passages passage NNS 39928 2253 7 our -PRON- PRP$ 39928 2253 8 great great JJ 39928 2253 9 world world NN 39928 2253 10 - - HYPH 39928 2253 11 poet poet NN 39928 2253 12 gives give VBZ 39928 2253 13 us -PRON- PRP 39928 2253 14 _ _ IN 39928 2253 15 his -PRON- PRP$ 39928 2253 16 _ _ NNP 39928 2253 17 conception conception NN 39928 2253 18 of of IN 39928 2253 19 the the DT 39928 2253 20 grandeur grandeur NN 39928 2253 21 of of IN 39928 2253 22 human human JJ 39928 2253 23 nature--'What nature--'What NNP 39928 2253 24 a a DT 39928 2253 25 piece piece NN 39928 2253 26 of of IN 39928 2253 27 work work NN 39928 2253 28 is be VBZ 39928 2253 29 man man NN 39928 2253 30 ! ! . 39928 2254 1 How how WRB 39928 2254 2 noble noble JJ 39928 2254 3 in in IN 39928 2254 4 reason reason NN 39928 2254 5 ! ! . 39928 2255 1 How how WRB 39928 2255 2 infinite infinite JJ 39928 2255 3 in in IN 39928 2255 4 faculty faculty NN 39928 2255 5 ! ! . 39928 2256 1 In in IN 39928 2256 2 form form NN 39928 2256 3 and and CC 39928 2256 4 moving moving NN 39928 2256 5 , , , 39928 2256 6 how how WRB 39928 2256 7 express express JJ 39928 2256 8 and and CC 39928 2256 9 admirable admirable JJ 39928 2256 10 ! ! . 39928 2257 1 In in IN 39928 2257 2 action action NN 39928 2257 3 how how WRB 39928 2257 4 like like IN 39928 2257 5 an an DT 39928 2257 6 angel angel NN 39928 2257 7 ! ! . 39928 2258 1 In in IN 39928 2258 2 apprehension apprehension NN 39928 2258 3 how how WRB 39928 2258 4 like like IN 39928 2258 5 a a DT 39928 2258 6 god god NN 39928 2258 7 ! ! . 39928 2258 8 ' ' '' 39928 2259 1 And and CC 39928 2259 2 for for IN 39928 2259 3 the the DT 39928 2259 4 development development NN 39928 2259 5 of of IN 39928 2259 6 such such PDT 39928 2259 7 a a DT 39928 2259 8 being being NN 39928 2259 9 what what WP 39928 2259 10 is be VBZ 39928 2259 11 a a DT 39928 2259 12 universe universe NN 39928 2259 13 such such JJ 39928 2259 14 as as IN 39928 2259 15 ours -PRON- PRP 39928 2259 16 ? ? . 39928 2260 1 However however WRB 39928 2260 2 vast vast JJ 39928 2260 3 it -PRON- PRP 39928 2260 4 may may MD 39928 2260 5 seem seem VB 39928 2260 6 to to IN 39928 2260 7 our -PRON- PRP$ 39928 2260 8 faculties faculty NNS 39928 2260 9 , , , 39928 2260 10 it -PRON- PRP 39928 2260 11 is be VBZ 39928 2260 12 as as IN 39928 2260 13 a a DT 39928 2260 14 mere mere JJ 39928 2260 15 nothing nothing NN 39928 2260 16 in in IN 39928 2260 17 the the DT 39928 2260 18 ocean ocean NN 39928 2260 19 of of IN 39928 2260 20 the the DT 39928 2260 21 infinite infinite NN 39928 2260 22 . . . 39928 2261 1 In in IN 39928 2261 2 infinite infinite JJ 39928 2261 3 space space NN 39928 2261 4 there there EX 39928 2261 5 may may MD 39928 2261 6 be be VB 39928 2261 7 infinite infinite JJ 39928 2261 8 universes universe NNS 39928 2261 9 , , , 39928 2261 10 but but CC 39928 2261 11 I -PRON- PRP 39928 2261 12 hardly hardly RB 39928 2261 13 think think VBP 39928 2261 14 they -PRON- PRP 39928 2261 15 would would MD 39928 2261 16 be be VB 39928 2261 17 all all DT 39928 2261 18 universes universe NNS 39928 2261 19 of of IN 39928 2261 20 matter matter NN 39928 2261 21 . . . 39928 2262 1 That that DT 39928 2262 2 would would MD 39928 2262 3 indeed indeed RB 39928 2262 4 be be VB 39928 2262 5 a a DT 39928 2262 6 low low JJ 39928 2262 7 conception conception NN 39928 2262 8 of of IN 39928 2262 9 infinite infinite JJ 39928 2262 10 power power NN 39928 2262 11 ! ! . 39928 2263 1 Here here RB 39928 2263 2 , , , 39928 2263 3 on on IN 39928 2263 4 earth earth NN 39928 2263 5 , , , 39928 2263 6 we -PRON- PRP 39928 2263 7 see see VBP 39928 2263 8 millions million NNS 39928 2263 9 of of IN 39928 2263 10 distinct distinct JJ 39928 2263 11 species specie NNS 39928 2263 12 of of IN 39928 2263 13 animals animal NNS 39928 2263 14 , , , 39928 2263 15 millions million NNS 39928 2263 16 of of IN 39928 2263 17 different different JJ 39928 2263 18 species specie NNS 39928 2263 19 of of IN 39928 2263 20 plants plant NNS 39928 2263 21 , , , 39928 2263 22 and and CC 39928 2263 23 each each DT 39928 2263 24 and and CC 39928 2263 25 every every DT 39928 2263 26 species specie NNS 39928 2263 27 consisting consist VBG 39928 2263 28 often often RB 39928 2263 29 of of IN 39928 2263 30 many many JJ 39928 2263 31 millions million NNS 39928 2263 32 of of IN 39928 2263 33 individuals individual NNS 39928 2263 34 , , , 39928 2263 35 no no DT 39928 2263 36 two two CD 39928 2263 37 individuals individual NNS 39928 2263 38 exactly exactly RB 39928 2263 39 alike alike RB 39928 2263 40 ; ; : 39928 2263 41 and and CC 39928 2263 42 when when WRB 39928 2263 43 we -PRON- PRP 39928 2263 44 turn turn VBP 39928 2263 45 to to IN 39928 2263 46 the the DT 39928 2263 47 heavens heavens NNPS 39928 2263 48 , , , 39928 2263 49 no no DT 39928 2263 50 two two CD 39928 2263 51 planets planet NNS 39928 2263 52 , , , 39928 2263 53 no no DT 39928 2263 54 two two CD 39928 2263 55 satellites satellite NNS 39928 2263 56 alike alike RB 39928 2263 57 ; ; : 39928 2263 58 and and CC 39928 2263 59 outside outside IN 39928 2263 60 our -PRON- PRP$ 39928 2263 61 system system NN 39928 2263 62 we -PRON- PRP 39928 2263 63 see see VBP 39928 2263 64 the the DT 39928 2263 65 same same JJ 39928 2263 66 law law NN 39928 2263 67 prevailing prevailing NN 39928 2263 68 -- -- : 39928 2263 69 no no DT 39928 2263 70 two two CD 39928 2263 71 stars star NNS 39928 2263 72 , , , 39928 2263 73 no no DT 39928 2263 74 two two CD 39928 2263 75 clusters cluster NNS 39928 2263 76 , , , 39928 2263 77 no no DT 39928 2263 78 two two CD 39928 2263 79 nebulæ nebulæ NN 39928 2263 80 alike alike RB 39928 2263 81 . . . 39928 2264 1 Why why WRB 39928 2264 2 then then RB 39928 2264 3 should should MD 39928 2264 4 there there EX 39928 2264 5 be be VB 39928 2264 6 other other JJ 39928 2264 7 universes universe NNS 39928 2264 8 of of IN 39928 2264 9 the the DT 39928 2264 10 _ _ NNP 39928 2264 11 same same JJ 39928 2264 12 _ _ NNP 39928 2264 13 matter matter NN 39928 2264 14 and and CC 39928 2264 15 subject subject JJ 39928 2264 16 to to IN 39928 2264 17 the the DT 39928 2264 18 _ _ NNP 39928 2264 19 same same JJ 39928 2264 20 _ _ NNP 39928 2264 21 laws law NNS 39928 2264 22 -- -- : 39928 2264 23 as as IN 39928 2264 24 is be VBZ 39928 2264 25 implied imply VBN 39928 2264 26 by by IN 39928 2264 27 the the DT 39928 2264 28 conception conception NN 39928 2264 29 that that WDT 39928 2264 30 the the DT 39928 2264 31 stars star NNS 39928 2264 32 are be VBP 39928 2264 33 infinite infinite JJ 39928 2264 34 in in IN 39928 2264 35 number number NN 39928 2264 36 , , , 39928 2264 37 and and CC 39928 2264 38 extend extend VB 39928 2264 39 through through IN 39928 2264 40 infinite infinite JJ 39928 2264 41 space space NN 39928 2264 42 ? ? . 39928 2265 1 Of of RB 39928 2265 2 course course RB 39928 2265 3 there there EX 39928 2265 4 may may MD 39928 2265 5 be be VB 39928 2265 6 , , , 39928 2265 7 and and CC 39928 2265 8 probably probably RB 39928 2265 9 are be VBP 39928 2265 10 , , , 39928 2265 11 other other JJ 39928 2265 12 universes universe NNS 39928 2265 13 , , , 39928 2265 14 perhaps perhaps RB 39928 2265 15 of of IN 39928 2265 16 other other JJ 39928 2265 17 kinds kind NNS 39928 2265 18 of of IN 39928 2265 19 matter matter NN 39928 2265 20 and and CC 39928 2265 21 subject subject JJ 39928 2265 22 to to IN 39928 2265 23 other other JJ 39928 2265 24 laws law NNS 39928 2265 25 , , , 39928 2265 26 perhaps perhaps RB 39928 2265 27 more more JJR 39928 2265 28 like like IN 39928 2265 29 our -PRON- PRP$ 39928 2265 30 conceptions conception NNS 39928 2265 31 of of IN 39928 2265 32 the the DT 39928 2265 33 ether ether NN 39928 2265 34 , , , 39928 2265 35 perhaps perhaps RB 39928 2265 36 wholly wholly RB 39928 2265 37 non non JJ 39928 2265 38 - - JJ 39928 2265 39 material material JJ 39928 2265 40 , , , 39928 2265 41 and and CC 39928 2265 42 what what WP 39928 2265 43 we -PRON- PRP 39928 2265 44 can can MD 39928 2265 45 only only RB 39928 2265 46 conceive conceive VB 39928 2265 47 of of IN 39928 2265 48 as as RB 39928 2265 49 spiritual spiritual JJ 39928 2265 50 . . . 39928 2266 1 But but CC 39928 2266 2 , , , 39928 2266 3 unless unless IN 39928 2266 4 these these DT 39928 2266 5 universes universe NNS 39928 2266 6 , , , 39928 2266 7 even even RB 39928 2266 8 though though IN 39928 2266 9 each each DT 39928 2266 10 of of IN 39928 2266 11 them -PRON- PRP 39928 2266 12 were be VBD 39928 2266 13 a a DT 39928 2266 14 million million CD 39928 2266 15 times time NNS 39928 2266 16 vaster vast JJR 39928 2266 17 than than IN 39928 2266 18 our -PRON- PRP$ 39928 2266 19 stellar stellar JJ 39928 2266 20 universe universe NN 39928 2266 21 , , , 39928 2266 22 were be VBD 39928 2266 23 also also RB 39928 2266 24 infinite infinite JJ 39928 2266 25 in in IN 39928 2266 26 number number NN 39928 2266 27 , , , 39928 2266 28 they -PRON- PRP 39928 2266 29 could could MD 39928 2266 30 not not RB 39928 2266 31 fill fill VB 39928 2266 32 infinite infinite JJ 39928 2266 33 space space NN 39928 2266 34 , , , 39928 2266 35 which which WDT 39928 2266 36 would would MD 39928 2266 37 extend extend VB 39928 2266 38 on on IN 39928 2266 39 all all DT 39928 2266 40 sides side NNS 39928 2266 41 beyond beyond IN 39928 2266 42 them -PRON- PRP 39928 2266 43 , , , 39928 2266 44 so so IN 39928 2266 45 that that IN 39928 2266 46 even even RB 39928 2266 47 a a DT 39928 2266 48 million million CD 39928 2266 49 million million CD 39928 2266 50 such such JJ 39928 2266 51 universes universe NNS 39928 2266 52 would would MD 39928 2266 53 shrink shrink VB 39928 2266 54 to to IN 39928 2266 55 imperceptibility imperceptibility NN 39928 2266 56 when when WRB 39928 2266 57 compared compare VBN 39928 2266 58 with with IN 39928 2266 59 the the DT 39928 2266 60 vast vast JJ 39928 2266 61 beyond beyond NN 39928 2266 62 ! ! . 39928 2267 1 Of of IN 39928 2267 2 infinity infinity NN 39928 2267 3 in in IN 39928 2267 4 any any DT 39928 2267 5 of of IN 39928 2267 6 its -PRON- PRP$ 39928 2267 7 aspects aspect NNS 39928 2267 8 we -PRON- PRP 39928 2267 9 can can MD 39928 2267 10 really really RB 39928 2267 11 know know VB 39928 2267 12 nothing nothing NN 39928 2267 13 , , , 39928 2267 14 but but CC 39928 2267 15 that that IN 39928 2267 16 it -PRON- PRP 39928 2267 17 exists exist VBZ 39928 2267 18 and and CC 39928 2267 19 is be VBZ 39928 2267 20 inconceivable inconceivable JJ 39928 2267 21 . . . 39928 2268 1 It -PRON- PRP 39928 2268 2 is be VBZ 39928 2268 3 a a DT 39928 2268 4 thought thought NN 39928 2268 5 that that WDT 39928 2268 6 oppresses oppress VBZ 39928 2268 7 and and CC 39928 2268 8 overwhelms overwhelm NNS 39928 2268 9 . . . 39928 2269 1 Yet yet RB 39928 2269 2 many many JJ 39928 2269 3 speak speak VBP 39928 2269 4 of of IN 39928 2269 5 it -PRON- PRP 39928 2269 6 glibly glibly RB 39928 2269 7 as as IN 39928 2269 8 if if IN 39928 2269 9 they -PRON- PRP 39928 2269 10 _ _ NNP 39928 2269 11 knew know VBD 39928 2269 12 _ _ NNP 39928 2269 13 what what WP 39928 2269 14 it -PRON- PRP 39928 2269 15 contains contain VBZ 39928 2269 16 , , , 39928 2269 17 and and CC 39928 2269 18 even even RB 39928 2269 19 use use VB 39928 2269 20 that that DT 39928 2269 21 assumed assume VBN 39928 2269 22 knowledge knowledge NN 39928 2269 23 as as IN 39928 2269 24 an an DT 39928 2269 25 argument argument NN 39928 2269 26 against against IN 39928 2269 27 views view NNS 39928 2269 28 that that WDT 39928 2269 29 are be VBP 39928 2269 30 unacceptable unacceptable JJ 39928 2269 31 to to IN 39928 2269 32 themselves -PRON- PRP 39928 2269 33 . . . 39928 2270 1 To to IN 39928 2270 2 me -PRON- PRP 39928 2270 3 its -PRON- PRP$ 39928 2270 4 existence existence NN 39928 2270 5 is be VBZ 39928 2270 6 absolute absolute JJ 39928 2270 7 but but CC 39928 2270 8 unthinkable unthinkable JJ 39928 2270 9 -- -- : 39928 2270 10 that that DT 39928 2270 11 way way NN 39928 2270 12 madness madness NN 39928 2270 13 lies lie VBZ 39928 2270 14 . . . 39928 2271 1 ' ' `` 39928 2271 2 O o UH 39928 2271 3 night night NN 39928 2271 4 ! ! . 39928 2272 1 O o UH 39928 2272 2 stars star NNS 39928 2272 3 , , , 39928 2272 4 too too RB 39928 2272 5 rudely rudely RB 39928 2272 6 jars jar VBZ 39928 2272 7 The the DT 39928 2272 8 finite finite NN 39928 2272 9 with with IN 39928 2272 10 the the DT 39928 2272 11 infinite infinite NN 39928 2272 12 ! ! . 39928 2272 13 ' ' '' 39928 2273 1 I -PRON- PRP 39928 2273 2 will will MD 39928 2273 3 conclude conclude VB 39928 2273 4 with with IN 39928 2273 5 one one CD 39928 2273 6 of of IN 39928 2273 7 the the DT 39928 2273 8 finest fine JJS 39928 2273 9 passages passage NNS 39928 2273 10 relating relate VBG 39928 2273 11 to to IN 39928 2273 12 the the DT 39928 2273 13 infinite infinite NN 39928 2273 14 that that WDT 39928 2273 15 I -PRON- PRP 39928 2273 16 am be VBP 39928 2273 17 acquainted acquaint VBN 39928 2273 18 with with IN 39928 2273 19 , , , 39928 2273 20 from from IN 39928 2273 21 the the DT 39928 2273 22 pen pen NN 39928 2273 23 of of IN 39928 2273 24 the the DT 39928 2273 25 late late JJ 39928 2273 26 R.A. R.A. NNP 39928 2273 27 Proctor proctor NN 39928 2273 28 : : : 39928 2273 29 ' ' '' 39928 2273 30 Inconceivable inconceivable JJ 39928 2273 31 , , , 39928 2273 32 doubtless doubtless RB 39928 2273 33 , , , 39928 2273 34 are be VBP 39928 2273 35 these these DT 39928 2273 36 infinities infinity NNS 39928 2273 37 of of IN 39928 2273 38 time time NN 39928 2273 39 and and CC 39928 2273 40 space space NN 39928 2273 41 , , , 39928 2273 42 of of IN 39928 2273 43 matter matter NN 39928 2273 44 , , , 39928 2273 45 of of IN 39928 2273 46 motion motion NN 39928 2273 47 , , , 39928 2273 48 and and CC 39928 2273 49 of of IN 39928 2273 50 life life NN 39928 2273 51 . . . 39928 2274 1 Inconceivable inconceivable JJ 39928 2274 2 that that IN 39928 2274 3 the the DT 39928 2274 4 whole whole JJ 39928 2274 5 universe universe NN 39928 2274 6 can can MD 39928 2274 7 be be VB 39928 2274 8 for for IN 39928 2274 9 all all DT 39928 2274 10 time time NN 39928 2274 11 the the DT 39928 2274 12 scene scene NN 39928 2274 13 of of IN 39928 2274 14 the the DT 39928 2274 15 operation operation NN 39928 2274 16 of of IN 39928 2274 17 infinite infinite JJ 39928 2274 18 power power NN 39928 2274 19 , , , 39928 2274 20 omnipresent omnipresent NN 39928 2274 21 , , , 39928 2274 22 all all RB 39928 2274 23 - - HYPH 39928 2274 24 knowing knowing NN 39928 2274 25 . . . 39928 2275 1 Utterly utterly RB 39928 2275 2 incomprehensible incomprehensible JJ 39928 2275 3 how how WRB 39928 2275 4 Infinite Infinite NNP 39928 2275 5 Purpose Purpose NNP 39928 2275 6 can can MD 39928 2275 7 be be VB 39928 2275 8 associated associate VBN 39928 2275 9 with with IN 39928 2275 10 endless endless JJ 39928 2275 11 material material NN 39928 2275 12 evolution evolution NN 39928 2275 13 . . . 39928 2276 1 But but CC 39928 2276 2 it -PRON- PRP 39928 2276 3 is be VBZ 39928 2276 4 no no DT 39928 2276 5 new new JJ 39928 2276 6 thought thought NN 39928 2276 7 , , , 39928 2276 8 no no DT 39928 2276 9 modern modern JJ 39928 2276 10 discovery discovery NN 39928 2276 11 , , , 39928 2276 12 that that IN 39928 2276 13 we -PRON- PRP 39928 2276 14 are be VBP 39928 2276 15 thus thus RB 39928 2276 16 utterly utterly RB 39928 2276 17 powerless powerless JJ 39928 2276 18 to to TO 39928 2276 19 conceive conceive VB 39928 2276 20 or or CC 39928 2276 21 comprehend comprehend VB 39928 2276 22 the the DT 39928 2276 23 idea idea NN 39928 2276 24 of of IN 39928 2276 25 an an DT 39928 2276 26 Infinite Infinite NNP 39928 2276 27 Being Being NNP 39928 2276 28 , , , 39928 2276 29 Almighty Almighty NNP 39928 2276 30 , , , 39928 2276 31 All all RB 39928 2276 32 - - HYPH 39928 2276 33 knowing know VBG 39928 2276 34 , , , 39928 2276 35 Omnipresent Omnipresent NNP 39928 2276 36 , , , 39928 2276 37 and and CC 39928 2276 38 Eternal eternal JJ 39928 2276 39 , , , 39928 2276 40 of of IN 39928 2276 41 whose whose WP$ 39928 2276 42 inscrutable inscrutable JJ 39928 2276 43 purpose purpose NN 39928 2276 44 the the DT 39928 2276 45 material material JJ 39928 2276 46 universe universe NN 39928 2276 47 is be VBZ 39928 2276 48 the the DT 39928 2276 49 unexplained unexplained JJ 39928 2276 50 manifestation manifestation NN 39928 2276 51 . . . 39928 2277 1 Science science NN 39928 2277 2 is be VBZ 39928 2277 3 in in IN 39928 2277 4 presence presence NN 39928 2277 5 of of IN 39928 2277 6 the the DT 39928 2277 7 old old JJ 39928 2277 8 , , , 39928 2277 9 old old JJ 39928 2277 10 mystery mystery NN 39928 2277 11 ; ; : 39928 2277 12 the the DT 39928 2277 13 old old JJ 39928 2277 14 , , , 39928 2277 15 old old JJ 39928 2277 16 questions question NNS 39928 2277 17 are be VBP 39928 2277 18 asked ask VBN 39928 2277 19 of of IN 39928 2277 20 her--"Canst her--"Canst NNP 39928 2277 21 thou thou NNP 39928 2277 22 by by IN 39928 2277 23 searching search VBG 39928 2277 24 find find VBP 39928 2277 25 out out RP 39928 2277 26 God God NNP 39928 2277 27 ? ? . 39928 2278 1 Canst Canst NNP 39928 2278 2 thou thou NNP 39928 2278 3 find find VB 39928 2278 4 out out RP 39928 2278 5 the the DT 39928 2278 6 Almighty Almighty NNP 39928 2278 7 unto unto IN 39928 2278 8 perfection perfection NN 39928 2278 9 ? ? . 39928 2279 1 It -PRON- PRP 39928 2279 2 is be VBZ 39928 2279 3 as as RB 39928 2279 4 high high JJ 39928 2279 5 as as IN 39928 2279 6 heaven heaven NNP 39928 2279 7 ; ; : 39928 2279 8 what what WP 39928 2279 9 canst canst NNP 39928 2279 10 thou thou NNP 39928 2279 11 do do VB 39928 2279 12 ? ? . 39928 2280 1 deeper deeply RBR 39928 2280 2 than than IN 39928 2280 3 hell hell NNP 39928 2280 4 ; ; : 39928 2280 5 what what WP 39928 2280 6 canst canst NNP 39928 2280 7 thou thou NNP 39928 2280 8 know know VB 39928 2280 9 ? ? . 39928 2280 10 " " '' 39928 2281 1 And and CC 39928 2281 2 science science NN 39928 2281 3 answers answer NNS 39928 2281 4 these these DT 39928 2281 5 questions question NNS 39928 2281 6 as as IN 39928 2281 7 they -PRON- PRP 39928 2281 8 were be VBD 39928 2281 9 answered answer VBN 39928 2281 10 of of IN 39928 2281 11 old--"As old--"as CD 39928 2281 12 touching touch VBG 39928 2281 13 the the DT 39928 2281 14 Almighty Almighty NNP 39928 2281 15 we -PRON- PRP 39928 2281 16 can can MD 39928 2281 17 not not RB 39928 2281 18 find find VB 39928 2281 19 Him -PRON- PRP 39928 2281 20 out out RP 39928 2281 21 . . . 39928 2281 22 " " '' 39928 2281 23 ' ' '' 39928 2282 1 * * NFP 39928 2282 2 * * NFP 39928 2282 3 * * NFP 39928 2282 4 * * NFP 39928 2282 5 * * NFP 39928 2282 6 The the DT 39928 2282 7 following follow VBG 39928 2282 8 beautiful beautiful JJ 39928 2282 9 lines line NNS 39928 2282 10 -- -- : 39928 2282 11 among among IN 39928 2282 12 the the DT 39928 2282 13 latest late JJS 39928 2282 14 products product NNS 39928 2282 15 of of IN 39928 2282 16 Tennyson Tennyson NNP 39928 2282 17 's 's POS 39928 2282 18 genius genius NN 39928 2282 19 -- -- : 39928 2282 20 so so RB 39928 2282 21 completely completely RB 39928 2282 22 harmonise harmonise VBP 39928 2282 23 with with IN 39928 2282 24 the the DT 39928 2282 25 subject subject NN 39928 2282 26 - - HYPH 39928 2282 27 matter matter NN 39928 2282 28 of of IN 39928 2282 29 the the DT 39928 2282 30 present present JJ 39928 2282 31 volume volume NN 39928 2282 32 , , , 39928 2282 33 that that IN 39928 2282 34 no no DT 39928 2282 35 apology apology NN 39928 2282 36 is be VBZ 39928 2282 37 needed need VBN 39928 2282 38 for for IN 39928 2282 39 quoting quote VBG 39928 2282 40 them -PRON- PRP 39928 2282 41 here:-- here:-- . 39928 2282 42 ( ( -LRB- 39928 2282 43 _ _ NNP 39928 2282 44 The the DT 39928 2282 45 Question Question NNP 39928 2282 46 _ _ NNP 39928 2282 47 ) ) -RRB- 39928 2282 48 Will Will MD 39928 2282 49 my -PRON- PRP$ 39928 2282 50 tiny tiny JJ 39928 2282 51 spark spark NN 39928 2282 52 of of IN 39928 2282 53 being be VBG 39928 2282 54 Wholly wholly RB 39928 2282 55 vanish vanish VB 39928 2282 56 in in IN 39928 2282 57 your -PRON- PRP$ 39928 2282 58 deeps deep NNS 39928 2282 59 and and CC 39928 2282 60 heights height NNS 39928 2282 61 ? ? . 39928 2283 1 Must Must MD 39928 2283 2 my -PRON- PRP$ 39928 2283 3 day day NN 39928 2283 4 be be VB 39928 2283 5 dark dark JJ 39928 2283 6 by by IN 39928 2283 7 reason reason NN 39928 2283 8 , , , 39928 2283 9 O o UH 39928 2283 10 ye ye FW 39928 2283 11 Heavens Heavens NNPS 39928 2283 12 , , , 39928 2283 13 of of IN 39928 2283 14 your -PRON- PRP$ 39928 2283 15 boundless boundless JJ 39928 2283 16 nights night NNS 39928 2283 17 , , , 39928 2283 18 Rush Rush NNP 39928 2283 19 of of IN 39928 2283 20 Suns Suns NNPS 39928 2283 21 and and CC 39928 2283 22 roll roll NN 39928 2283 23 of of IN 39928 2283 24 systems system NNS 39928 2283 25 , , , 39928 2283 26 And and CC 39928 2283 27 your -PRON- PRP$ 39928 2283 28 fiery fiery JJ 39928 2283 29 clash clash NN 39928 2283 30 of of IN 39928 2283 31 meteorites meteorite NNS 39928 2283 32 ? ? . 39928 2284 1 ( ( -LRB- 39928 2284 2 _ _ NNP 39928 2284 3 The the DT 39928 2284 4 Answer Answer NNP 39928 2284 5 _ _ NNP 39928 2284 6 ) ) -RRB- 39928 2284 7 ' ' '' 39928 2284 8 Spirit Spirit NNP 39928 2284 9 , , , 39928 2284 10 nearing near VBG 39928 2284 11 yon yon NNP 39928 2284 12 dark dark JJ 39928 2284 13 portal portal NNP 39928 2284 14 At at IN 39928 2284 15 the the DT 39928 2284 16 limit limit NN 39928 2284 17 of of IN 39928 2284 18 thy thy PRP$ 39928 2284 19 human human JJ 39928 2284 20 state state NN 39928 2284 21 , , , 39928 2284 22 Fear fear VB 39928 2284 23 not not RB 39928 2284 24 thou thou VB 39928 2284 25 the the DT 39928 2284 26 hidden hidden JJ 39928 2284 27 purpose purpose NN 39928 2284 28 Of of IN 39928 2284 29 that that DT 39928 2284 30 Power power NN 39928 2284 31 which which WDT 39928 2284 32 alone alone RB 39928 2284 33 is be VBZ 39928 2284 34 great great JJ 39928 2284 35 , , , 39928 2284 36 Nor nor CC 39928 2284 37 the the DT 39928 2284 38 myriad myriad JJ 39928 2284 39 world world NN 39928 2284 40 , , , 39928 2284 41 His -PRON- PRP$ 39928 2284 42 shadow shadow NN 39928 2284 43 , , , 39928 2284 44 Nor nor CC 39928 2284 45 the the DT 39928 2284 46 silent silent JJ 39928 2284 47 Opener Opener NNP 39928 2284 48 of of IN 39928 2284 49 the the DT 39928 2284 50 Gate Gate NNP 39928 2284 51 . . . 39928 2284 52 ' ' '' 39928 2285 1 FOOTNOTE FOOTNOTE NNS 39928 2285 2 : : : 39928 2285 3 [ [ -LRB- 39928 2285 4 23 23 CD 39928 2285 5 ] ] -RRB- 39928 2285 6 Since since IN 39928 2285 7 writing write VBG 39928 2285 8 this this DT 39928 2285 9 chapter chapter NN 39928 2285 10 I -PRON- PRP 39928 2285 11 have have VBP 39928 2285 12 seen see VBN 39928 2285 13 a a DT 39928 2285 14 paper paper NN 39928 2285 15 by by IN 39928 2285 16 Luigi Luigi NNP 39928 2285 17 d'Auria d'Auria NNP 39928 2285 18 dealing deal VBG 39928 2285 19 mathematically mathematically RB 39928 2285 20 with with IN 39928 2285 21 ' ' `` 39928 2285 22 Stellar Stellar NNP 39928 2285 23 Motion Motion NNP 39928 2285 24 , , , 39928 2285 25 etc etc FW 39928 2285 26 . . FW 39928 2285 27 , , , 39928 2285 28 ' ' '' 39928 2285 29 and and CC 39928 2285 30 am be VBP 39928 2285 31 pleased pleased JJ 39928 2285 32 to to TO 39928 2285 33 see see VB 39928 2285 34 that that DT 39928 2285 35 , , , 39928 2285 36 from from IN 39928 2285 37 quite quite RB 39928 2285 38 different different JJ 39928 2285 39 considerations consideration NNS 39928 2285 40 , , , 39928 2285 41 he -PRON- PRP 39928 2285 42 has have VBZ 39928 2285 43 found find VBN 39928 2285 44 it -PRON- PRP 39928 2285 45 necessary necessary JJ 39928 2285 46 to to TO 39928 2285 47 place place VB 39928 2285 48 the the DT 39928 2285 49 solar solar JJ 39928 2285 50 system system NN 39928 2285 51 at at IN 39928 2285 52 a a DT 39928 2285 53 distance distance NN 39928 2285 54 from from IN 39928 2285 55 the the DT 39928 2285 56 centre centre NN 39928 2285 57 not not RB 39928 2285 58 very very RB 39928 2285 59 much much RB 39928 2285 60 more more RBR 39928 2285 61 remote remote JJ 39928 2285 62 than than IN 39928 2285 63 the the DT 39928 2285 64 position position NN 39928 2285 65 I -PRON- PRP 39928 2285 66 have have VBP 39928 2285 67 given give VBN 39928 2285 68 it -PRON- PRP 39928 2285 69 . . . 39928 2286 1 He -PRON- PRP 39928 2286 2 says say VBZ 39928 2286 3 : : : 39928 2286 4 ' ' `` 39928 2286 5 We -PRON- PRP 39928 2286 6 have have VBP 39928 2286 7 good good JJ 39928 2286 8 reasons reason NNS 39928 2286 9 to to TO 39928 2286 10 suppose suppose VB 39928 2286 11 that that IN 39928 2286 12 the the DT 39928 2286 13 solar solar JJ 39928 2286 14 system system NN 39928 2286 15 is be VBZ 39928 2286 16 rather rather RB 39928 2286 17 near near IN 39928 2286 18 the the DT 39928 2286 19 centre centre NN 39928 2286 20 of of IN 39928 2286 21 the the DT 39928 2286 22 Milky Milky NNP 39928 2286 23 Way Way NNP 39928 2286 24 , , , 39928 2286 25 and and CC 39928 2286 26 as as IN 39928 2286 27 this this DT 39928 2286 28 centre centre NN 39928 2286 29 would would MD 39928 2286 30 , , , 39928 2286 31 according accord VBG 39928 2286 32 to to IN 39928 2286 33 our -PRON- PRP$ 39928 2286 34 hypothesis hypothesis NN 39928 2286 35 , , , 39928 2286 36 coincide coincide VB 39928 2286 37 with with IN 39928 2286 38 the the DT 39928 2286 39 centre centre NN 39928 2286 40 of of IN 39928 2286 41 the the DT 39928 2286 42 Universe Universe NNP 39928 2286 43 , , , 39928 2286 44 the the DT 39928 2286 45 distance distance NN 39928 2286 46 of of IN 39928 2286 47 159 159 CD 39928 2286 48 light light JJ 39928 2286 49 years year NNS 39928 2286 50 assumed assume VBN 39928 2286 51 is be VBZ 39928 2286 52 not not RB 39928 2286 53 too too RB 39928 2286 54 great great JJ 39928 2286 55 , , , 39928 2286 56 nor nor CC 39928 2286 57 can can MD 39928 2286 58 it -PRON- PRP 39928 2286 59 be be VB 39928 2286 60 very very RB 39928 2286 61 much much RB 39928 2286 62 smaller small JJR 39928 2286 63 . . . 39928 2286 64 ' ' '' 39928 2287 1 --_Journal --_Journal NNP 39928 2287 2 of of IN 39928 2287 3 the the DT 39928 2287 4 Franklin Franklin NNP 39928 2287 5 Institute Institute NNP 39928 2287 6 _ _ NNP 39928 2287 7 , , , 39928 2287 8 March March NNP 39928 2287 9 1903 1903 CD 39928 2287 10 . . . 39928 2288 1 INDEX INDEX NNP 39928 2288 2 Adrianus Adrianus NNP 39928 2288 3 Tollius Tollius NNP 39928 2288 4 on on IN 39928 2288 5 stone stone NN 39928 2288 6 axes axis NNS 39928 2288 7 , , , 39928 2288 8 203 203 CD 39928 2288 9 . . . 39928 2289 1 Air air NN 39928 2289 2 criminally criminally RB 39928 2289 3 poisoned poison VBN 39928 2289 4 by by IN 39928 2289 5 us -PRON- PRP 39928 2289 6 , , , 39928 2289 7 260 260 CD 39928 2289 8 . . . 39928 2290 1 Albedo Albedo NNP 39928 2290 2 explained explain VBD 39928 2290 3 , , , 39928 2290 4 162 162 CD 39928 2290 5 . . . 39928 2291 1 Algol algol VB 39928 2291 2 and and CC 39928 2291 3 its -PRON- PRP$ 39928 2291 4 companion companion NN 39928 2291 5 , , , 39928 2291 6 39 39 CD 39928 2291 7 ; ; : 39928 2291 8 change change NN 39928 2291 9 of of IN 39928 2291 10 colour colour NN 39928 2291 11 of of IN 39928 2291 12 , , , 39928 2291 13 41 41 CD 39928 2291 14 . . . 39928 2292 1 Allen Allen NNP 39928 2292 2 , , , 39928 2292 3 Prof. Prof. NNP 39928 2292 4 F.J. F.J. NNP 39928 2292 5 , , , 39928 2292 6 on on IN 39928 2292 7 living living NN 39928 2292 8 matter matter NN 39928 2292 9 , , , 39928 2292 10 193 193 CD 39928 2292 11 ; ; , 39928 2292 12 on on IN 39928 2292 13 importance importance NN 39928 2292 14 of of IN 39928 2292 15 nitrogen nitrogen NN 39928 2292 16 , , , 39928 2292 17 195 195 CD 39928 2292 18 ; ; : 39928 2292 19 on on IN 39928 2292 20 physical physical JJ 39928 2292 21 conditions condition NNS 39928 2292 22 essential essential JJ 39928 2292 23 for for IN 39928 2292 24 life life NN 39928 2292 25 , , , 39928 2292 26 196 196 CD 39928 2292 27 . . . 39928 2293 1 Alpha Alpha NNP 39928 2293 2 Centauri Centauri NNP 39928 2293 3 , , , 39928 2293 4 nearest near JJS 39928 2293 5 star star NN 39928 2293 6 , , , 39928 2293 7 74 74 CD 39928 2293 8 . . . 39928 2294 1 Ammonia Ammonia NNP 39928 2294 2 , , , 39928 2294 3 importance importance NN 39928 2294 4 of of IN 39928 2294 5 , , , 39928 2294 6 to to IN 39928 2294 7 life life NN 39928 2294 8 , , , 39928 2294 9 195 195 CD 39928 2294 10 . . . 39928 2295 1 Anaximander Anaximander NNP 39928 2295 2 's 's POS 39928 2295 3 cosmic cosmic JJ 39928 2295 4 theory theory NN 39928 2295 5 , , , 39928 2295 6 2 2 CD 39928 2295 7 . . . 39928 2296 1 Angles angle NNS 39928 2296 2 of of IN 39928 2296 3 a a DT 39928 2296 4 minute minute NN 39928 2296 5 and and CC 39928 2296 6 second second JJ 39928 2296 7 , , , 39928 2296 8 80 80 CD 39928 2296 9 . . . 39928 2297 1 Arcturus Arcturus NNP 39928 2297 2 , , , 39928 2297 3 rapid rapid JJ 39928 2297 4 motion motion NN 39928 2297 5 of of IN 39928 2297 6 , , , 39928 2297 7 172 172 CD 39928 2297 8 . . . 39928 2298 1 Argument argument NN 39928 2298 2 of of IN 39928 2298 3 book book NN 39928 2298 4 , , , 39928 2298 5 summary summary NN 39928 2298 6 of of IN 39928 2298 7 , , , 39928 2298 8 310 310 CD 39928 2298 9 . . . 39928 2299 1 Astronomers astronomer NNS 39928 2299 2 , , , 39928 2299 3 the the DT 39928 2299 4 first first JJ 39928 2299 5 , , , 39928 2299 6 2 2 CD 39928 2299 7 . . . 39928 2300 1 Astronomy Astronomy NNP 39928 2300 2 , , , 39928 2300 3 the the DT 39928 2300 4 new new JJ 39928 2300 5 , , , 39928 2300 6 24 24 CD 39928 2300 7 . . . 39928 2301 1 Astrophysics astrophysic NNS 39928 2301 2 , , , 39928 2301 3 a a DT 39928 2301 4 new new JJ 39928 2301 5 science science NN 39928 2301 6 , , , 39928 2301 7 32 32 CD 39928 2301 8 . . . 39928 2302 1 Atmosphere Atmosphere NNP 39928 2302 2 , , , 39928 2302 3 qualities quality NNS 39928 2302 4 requisite requisite JJ 39928 2302 5 for for IN 39928 2302 6 life life NN 39928 2302 7 , , , 39928 2302 8 210 210 CD 39928 2302 9 ; ; : 39928 2302 10 requisite requisite JJ 39928 2302 11 composition composition NN 39928 2302 12 of of IN 39928 2302 13 , , , 39928 2302 14 212 212 CD 39928 2302 15 ; ; : 39928 2302 16 aqueous aqueous JJ 39928 2302 17 vapour vapour NN 39928 2302 18 in in RB 39928 2302 19 , , , 39928 2302 20 214 214 CD 39928 2302 21 ; ; : 39928 2302 22 and and CC 39928 2302 23 life life NN 39928 2302 24 , , , 39928 2302 25 243 243 CD 39928 2302 26 ; ; : 39928 2302 27 effects effect NNS 39928 2302 28 of of IN 39928 2302 29 density density NN 39928 2302 30 of of IN 39928 2302 31 , , , 39928 2302 32 245 245 CD 39928 2302 33 ; ; : 39928 2302 34 a a DT 39928 2302 35 complex complex JJ 39928 2302 36 structure structure NN 39928 2302 37 , , , 39928 2302 38 259 259 CD 39928 2302 39 ; ; : 39928 2302 40 its -PRON- PRP$ 39928 2302 41 vital vital JJ 39928 2302 42 importance importance NN 39928 2302 43 to to IN 39928 2302 44 us -PRON- PRP 39928 2302 45 , , , 39928 2302 46 260 260 CD 39928 2302 47 . . . 39928 2303 1 Ball Ball NNP 39928 2303 2 , , , 39928 2303 3 Sir Sir NNP 39928 2303 4 R. R. NNP 39928 2303 5 , , , 39928 2303 6 on on IN 39928 2303 7 dark dark JJ 39928 2303 8 stars star NNS 39928 2303 9 , , , 39928 2303 10 143 143 CD 39928 2303 11 ; ; : 39928 2303 12 _ _ NNP 39928 2303 13 Time Time NNP 39928 2303 14 and and CC 39928 2303 15 Tide Tide NNP 39928 2303 16 _ _ NNP 39928 2303 17 , , , 39928 2303 18 233 233 CD 39928 2303 19 . . . 39928 2304 1 Barnham Barnham NNP 39928 2304 2 , , , 39928 2304 3 S.W. S.W. NNP 39928 2304 4 , , , 39928 2304 5 on on IN 39928 2304 6 double double JJ 39928 2304 7 stars star NNS 39928 2304 8 , , , 39928 2304 9 123 123 CD 39928 2304 10 . . . 39928 2305 1 Blue blue JJ 39928 2305 2 of of IN 39928 2305 3 sky sky NN 39928 2305 4 due due IN 39928 2305 5 to to IN 39928 2305 6 dust dust NN 39928 2305 7 , , , 39928 2305 8 251 251 CD 39928 2305 9 . . . 39928 2306 1 Boeddicker Boeddicker NNP 39928 2306 2 's 's POS 39928 2306 3 map map NN 39928 2306 4 of of IN 39928 2306 5 Milky Milky NNP 39928 2306 6 Way Way NNP 39928 2306 7 , , , 39928 2306 8 164 164 CD 39928 2306 9 . . . 39928 2307 1 Brewster Brewster NNP 39928 2307 2 , , , 39928 2307 3 Sir Sir NNP 39928 2307 4 D. D. NNP 39928 2307 5 , , , 39928 2307 6 against against IN 39928 2307 7 Whewell Whewell NNP 39928 2307 8 , , , 39928 2307 9 15 15 CD 39928 2307 10 . . . 39928 2308 1 Campbell Campbell NNP 39928 2308 2 , , , 39928 2308 3 Prof. Prof. NNP 39928 2308 4 , , , 39928 2308 5 on on IN 39928 2308 6 spectroscopic spectroscopic JJ 39928 2308 7 binaries binary NNS 39928 2308 8 , , , 39928 2308 9 125 125 CD 39928 2308 10 ; ; : 39928 2308 11 on on IN 39928 2308 12 uncertainty uncertainty NN 39928 2308 13 of of IN 39928 2308 14 sun sun NN 39928 2308 15 's 's POS 39928 2308 16 motions motion NNS 39928 2308 17 , , , 39928 2308 18 179 179 CD 39928 2308 19 ; ; : 39928 2308 20 on on IN 39928 2308 21 number number NN 39928 2308 22 of of IN 39928 2308 23 binary binary JJ 39928 2308 24 systems system NNS 39928 2308 25 , , , 39928 2308 26 286 286 CD 39928 2308 27 . . . 39928 2309 1 Carbon carbon NN 39928 2309 2 compounds compound NNS 39928 2309 3 , , , 39928 2309 4 vast vast JJ 39928 2309 5 numbers number NNS 39928 2309 6 of of IN 39928 2309 7 , , , 39928 2309 8 194 194 CD 39928 2309 9 . . . 39928 2310 1 Carbonic carbonic JJ 39928 2310 2 acid acid JJ 39928 2310 3 gas gas NN 39928 2310 4 essential essential JJ 39928 2310 5 for for IN 39928 2310 6 life life NN 39928 2310 7 , , , 39928 2310 8 196 196 CD 39928 2310 9 . . . 39928 2311 1 Central central JJ 39928 2311 2 position position NN 39928 2311 3 of of IN 39928 2311 4 sun sun NN 39928 2311 5 , , , 39928 2311 6 importance importance NN 39928 2311 7 of of IN 39928 2311 8 , , , 39928 2311 9 305 305 CD 39928 2311 10 . . . 39928 2312 1 Chaldeans chaldean NNS 39928 2312 2 the the DT 39928 2312 3 first first JJ 39928 2312 4 astronomers astronomer NNS 39928 2312 5 , , , 39928 2312 6 2 2 CD 39928 2312 7 . . . 39928 2313 1 Chalmers Chalmers NNP 39928 2313 2 Dr. Dr. NNP 39928 2313 3 , , , 39928 2313 4 on on IN 39928 2313 5 plurality plurality NN 39928 2313 6 of of IN 39928 2313 7 worlds world NNS 39928 2313 8 , , , 39928 2313 9 13 13 CD 39928 2313 10 . . . 39928 2314 1 Chamberlin Chamberlin NNP 39928 2314 2 , , , 39928 2314 3 T.C. T.C. NNP 39928 2314 4 , , , 39928 2314 5 origin origin NN 39928 2314 6 of of IN 39928 2314 7 nebulæ nebulæ NN 39928 2314 8 , , , 39928 2314 9 120 120 CD 39928 2314 10 ; ; : 39928 2314 11 on on IN 39928 2314 12 stellar stellar JJ 39928 2314 13 disruption disruption NN 39928 2314 14 , , , 39928 2314 15 186 186 CD 39928 2314 16 . . . 39928 2315 1 Chromosphere Chromosphere NNP 39928 2315 2 , , , 39928 2315 3 the the DT 39928 2315 4 sun sun NN 39928 2315 5 's 's POS 39928 2315 6 , , , 39928 2315 7 107 107 CD 39928 2315 8 . . . 39928 2316 1 Clerke Clerke NNP 39928 2316 2 , , , 39928 2316 3 Miss Miss NNP 39928 2316 4 A.M. A.M. NNP 39928 2316 5 , , , 39928 2316 6 on on IN 39928 2316 7 limits limit NNS 39928 2316 8 of of IN 39928 2316 9 star star NN 39928 2316 10 system system NN 39928 2316 11 , , , 39928 2316 12 138 138 CD 39928 2316 13 ; ; , 39928 2316 14 on on IN 39928 2316 15 Milky Milky NNP 39928 2316 16 Way Way NNP 39928 2316 17 , , , 39928 2316 18 158 158 CD 39928 2316 19 , , , 39928 2316 20 160 160 CD 39928 2316 21 ; ; : 39928 2316 22 on on IN 39928 2316 23 solar solar JJ 39928 2316 24 cluster cluster NN 39928 2316 25 , , , 39928 2316 26 165 165 CD 39928 2316 27 ; ; : 39928 2316 28 on on IN 39928 2316 29 uncertainty uncertainty NN 39928 2316 30 of of IN 39928 2316 31 the the DT 39928 2316 32 sun sun NN 39928 2316 33 's 's POS 39928 2316 34 motion motion NN 39928 2316 35 , , , 39928 2316 36 177 177 CD 39928 2316 37 . . . 39928 2317 1 Climate climate NN 39928 2317 2 , , , 39928 2317 3 persistence persistence NN 39928 2317 4 of of IN 39928 2317 5 mild mild JJ 39928 2317 6 , , , 39928 2317 7 222 222 CD 39928 2317 8 . . . 39928 2318 1 Clouds cloud NNS 39928 2318 2 , , , 39928 2318 3 importance importance NN 39928 2318 4 of of IN 39928 2318 5 , , , 39928 2318 6 to to IN 39928 2318 7 life life NN 39928 2318 8 , , , 39928 2318 9 248 248 CD 39928 2318 10 . . . 39928 2319 1 Clusters cluster NNS 39928 2319 2 in in IN 39928 2319 3 relation relation NN 39928 2319 4 to to IN 39928 2319 5 Galaxy Galaxy NNP 39928 2319 6 , , , 39928 2319 7 67 67 CD 39928 2319 8 . . . 39928 2320 1 Comte Comte NNP 39928 2320 2 , , , 39928 2320 3 on on IN 39928 2320 4 impossibility impossibility NN 39928 2320 5 of of IN 39928 2320 6 real real JJ 39928 2320 7 knowledge knowledge NN 39928 2320 8 of of IN 39928 2320 9 the the DT 39928 2320 10 stars star NNS 39928 2320 11 , , , 39928 2320 12 25 25 CD 39928 2320 13 . . . 39928 2321 1 Conclusions conclusion NNS 39928 2321 2 of of IN 39928 2321 3 the the DT 39928 2321 4 book book NN 39928 2321 5 , , , 39928 2321 6 317 317 CD 39928 2321 7 ; ; : 39928 2321 8 bearing bear VBG 39928 2321 9 of of IN 39928 2321 10 , , , 39928 2321 11 on on IN 39928 2321 12 science science NN 39928 2321 13 and and CC 39928 2321 14 on on IN 39928 2321 15 religion religion NN 39928 2321 16 , , , 39928 2321 17 319 319 CD 39928 2321 18 . . . 39928 2322 1 Corona Corona NNP 39928 2322 2 of of IN 39928 2322 3 sun sun NN 39928 2322 4 , , , 39928 2322 5 108 108 CD 39928 2322 6 . . . 39928 2323 1 Criticisms criticism NNS 39928 2323 2 of of IN 39928 2323 3 article article NN 39928 2323 4 in in IN 39928 2323 5 _ _ NNP 39928 2323 6 Fortnightly Fortnightly NNP 39928 2323 7 Review Review NNP 39928 2323 8 _ _ NNP 39928 2323 9 , , , 39928 2323 10 168 168 CD 39928 2323 11 , , , 39928 2323 12 180 180 CD 39928 2323 13 . . . 39928 2324 1 Darwin Darwin NNP 39928 2324 2 , , , 39928 2324 3 Prof. Prof. NNP 39928 2324 4 G. G. NNP 39928 2324 5 , , , 39928 2324 6 on on IN 39928 2324 7 meteoritic meteoritic JJ 39928 2324 8 hypothesis hypothesis NN 39928 2324 9 , , , 39928 2324 10 133 133 CD 39928 2324 11 ; ; : 39928 2324 12 on on IN 39928 2324 13 origin origin NN 39928 2324 14 of of IN 39928 2324 15 moon moon NN 39928 2324 16 , , , 39928 2324 17 233 233 CD 39928 2324 18 ; ; : 39928 2324 19 on on IN 39928 2324 20 instability instability NN 39928 2324 21 of of IN 39928 2324 22 annular annular NNP 39928 2324 23 systems system NNS 39928 2324 24 , , , 39928 2324 25 295 295 CD 39928 2324 26 . . . 39928 2325 1 Day day NN 39928 2325 2 and and CC 39928 2325 3 night night NN 39928 2325 4 , , , 39928 2325 5 uses use NNS 39928 2325 6 of of IN 39928 2325 7 , , , 39928 2325 8 215 215 CD 39928 2325 9 . . . 39928 2326 1 Diagrams diagram NNS 39928 2326 2 of of IN 39928 2326 3 star star NN 39928 2326 4 - - HYPH 39928 2326 5 distribution distribution NN 39928 2326 6 , , , 39928 2326 7 62 62 CD 39928 2326 8 , , , 39928 2326 9 66 66 CD 39928 2326 10 . . . 39928 2327 1 Diffraction diffraction NN 39928 2327 2 - - HYPH 39928 2327 3 gratings grating NNS 39928 2327 4 , , , 39928 2327 5 30 30 CD 39928 2327 6 . . . 39928 2328 1 Disruption disruption NN 39928 2328 2 of of IN 39928 2328 3 stellar stellar JJ 39928 2328 4 bodies body NNS 39928 2328 5 , , , 39928 2328 6 187 187 CD 39928 2328 7 . . . 39928 2329 1 Doppler doppler NN 39928 2329 2 principle principle NN 39928 2329 3 , , , 39928 2329 4 the the DT 39928 2329 5 , , , 39928 2329 6 37 37 CD 39928 2329 7 . . . 39928 2330 1 Double double JJ 39928 2330 2 stars star NNS 39928 2330 3 , , , 39928 2330 4 evolution evolution NN 39928 2330 5 of of IN 39928 2330 6 , , , 39928 2330 7 123 123 CD 39928 2330 8 ; ; : 39928 2330 9 not not RB 39928 2330 10 fitted fit VBN 39928 2330 11 for for IN 39928 2330 12 life life NN 39928 2330 13 , , , 39928 2330 14 286 286 CD 39928 2330 15 . . . 39928 2331 1 Dust dust NN 39928 2331 2 , , , 39928 2331 3 importance importance NN 39928 2331 4 of of IN 39928 2331 5 , , , 39928 2331 6 249 249 CD 39928 2331 7 . . . 39928 2332 1 Dust dust NN 39928 2332 2 - - HYPH 39928 2332 3 free free JJ 39928 2332 4 air air NN 39928 2332 5 , , , 39928 2332 6 results result NNS 39928 2332 7 of of IN 39928 2332 8 , , , 39928 2332 9 254 254 CD 39928 2332 10 . . . 39928 2333 1 Earth Earth NNP 39928 2333 2 , , , 39928 2333 3 first first RB 39928 2333 4 measured measure VBN 39928 2333 5 , , , 39928 2333 6 5 5 CD 39928 2333 7 ; ; : 39928 2333 8 in in IN 39928 2333 9 relation relation NN 39928 2333 10 to to IN 39928 2333 11 life life NN 39928 2333 12 , , , 39928 2333 13 218 218 CD 39928 2333 14 ; ; : 39928 2333 15 the the DT 39928 2333 16 only only JJ 39928 2333 17 habitable habitable JJ 39928 2333 18 planet planet NN 39928 2333 19 , , , 39928 2333 20 262 262 CD 39928 2333 21 ; ; : 39928 2333 22 can can MD 39928 2333 23 not not RB 39928 2333 24 retain retain VB 39928 2333 25 hydrogen hydrogen NN 39928 2333 26 , , , 39928 2333 27 264 264 CD 39928 2333 28 ; ; : 39928 2333 29 supposed suppose VBD 39928 2333 30 extreme extreme JJ 39928 2333 31 conditions condition NNS 39928 2333 32 of of IN 39928 2333 33 , , , 39928 2333 34 271 271 CD 39928 2333 35 . . . 39928 2334 1 Earth Earth NNP 39928 2334 2 's 's POS 39928 2334 3 mass mass NN 39928 2334 4 , , , 39928 2334 5 how how WRB 39928 2334 6 related related JJ 39928 2334 7 to to IN 39928 2334 8 life life NN 39928 2334 9 , , , 39928 2334 10 265 265 CD 39928 2334 11 . . . 39928 2335 1 Ecliptic ecliptic JJ 39928 2335 2 , , , 39928 2335 3 obliquity obliquity NN 39928 2335 4 of of IN 39928 2335 5 , , , 39928 2335 6 in in IN 39928 2335 7 relation relation NN 39928 2335 8 to to IN 39928 2335 9 life life NN 39928 2335 10 , , , 39928 2335 11 219 219 CD 39928 2335 12 . . . 39928 2336 1 Electricity electricity NN 39928 2336 2 , , , 39928 2336 3 effects effect NNS 39928 2336 4 of of IN 39928 2336 5 atmospheric atmospheric JJ 39928 2336 6 , , , 39928 2336 7 257 257 CD 39928 2336 8 ; ; : 39928 2336 9 atmospheric atmospheric JJ 39928 2336 10 , , , 39928 2336 11 how how WRB 39928 2336 12 caused cause VBN 39928 2336 13 , , , 39928 2336 14 258 258 CD 39928 2336 15 . . . 39928 2337 1 Elements element NNS 39928 2337 2 , , , 39928 2337 3 change change NN 39928 2337 4 in in IN 39928 2337 5 spectra spectra NNP 39928 2337 6 of of IN 39928 2337 7 , , , 39928 2337 8 129 129 CD 39928 2337 9 ; ; : 39928 2337 10 in in IN 39928 2337 11 the the DT 39928 2337 12 sun sun NN 39928 2337 13 , , , 39928 2337 14 184 184 CD 39928 2337 15 ; ; : 39928 2337 16 in in IN 39928 2337 17 meteorites meteorite NNS 39928 2337 18 , , , 39928 2337 19 185 185 CD 39928 2337 20 ; ; : 39928 2337 21 in in IN 39928 2337 22 organic organic JJ 39928 2337 23 structures structure NNS 39928 2337 24 , , , 39928 2337 25 201 201 CD 39928 2337 26 . . . 39928 2338 1 Empedocles empedocle NNS 39928 2338 2 an an DT 39928 2338 3 early early JJ 39928 2338 4 astronomer astronomer NN 39928 2338 5 , , , 39928 2338 6 3 3 CD 39928 2338 7 . . . 39928 2339 1 Eudoxus eudoxus NN 39928 2339 2 on on IN 39928 2339 3 motions motion NNS 39928 2339 4 of of IN 39928 2339 5 planets planet NNS 39928 2339 6 , , , 39928 2339 7 3 3 CD 39928 2339 8 . . . 39928 2340 1 Evolution evolution NN 39928 2340 2 of of IN 39928 2340 3 the the DT 39928 2340 4 stars star NNS 39928 2340 5 , , , 39928 2340 6 128 128 CD 39928 2340 7 . . . 39928 2341 1 Explanations explanation NNS 39928 2341 2 of of IN 39928 2341 3 life life NN 39928 2341 4 - - HYPH 39928 2341 5 processes process NNS 39928 2341 6 , , , 39928 2341 7 202 202 CD 39928 2341 8 . . . 39928 2342 1 Faculæ Faculæ NNP 39928 2342 2 of of IN 39928 2342 3 sun sun NN 39928 2342 4 , , , 39928 2342 5 105 105 CD 39928 2342 6 . . . 39928 2343 1 Fisher Fisher NNP 39928 2343 2 , , , 39928 2343 3 Rev. Rev. NNP 39928 2344 1 O. O. NNP 39928 2344 2 , , , 39928 2344 3 on on IN 39928 2344 4 oceanic oceanic JJ 39928 2344 5 basins basin NNS 39928 2344 6 , , , 39928 2344 7 234 234 CD 39928 2344 8 ; ; : 39928 2344 9 on on IN 39928 2344 10 thin thin JJ 39928 2344 11 sub sub JJ 39928 2344 12 - - JJ 39928 2344 13 oceanic oceanic JJ 39928 2344 14 crust crust NN 39928 2344 15 , , , 39928 2344 16 237 237 CD 39928 2344 17 . . . 39928 2345 1 Fizeau fizeau NN 39928 2345 2 measures measure VBZ 39928 2345 3 speed speed NN 39928 2345 4 of of IN 39928 2345 5 light light NN 39928 2345 6 , , , 39928 2345 7 79 79 CD 39928 2345 8 . . . 39928 2346 1 Flammarion Flammarion NNP 39928 2346 2 , , , 39928 2346 3 C. C. NNP 39928 2346 4 , , , 39928 2346 5 on on IN 39928 2346 6 universality universality NN 39928 2346 7 of of IN 39928 2346 8 life life NN 39928 2346 9 , , , 39928 2346 10 274 274 CD 39928 2346 11 , , , 39928 2346 12 281 281 CD 39928 2346 13 . . . 39928 2347 1 Fontenelle Fontenelle NNP 39928 2347 2 on on IN 39928 2347 3 plurality plurality NN 39928 2347 4 of of IN 39928 2347 5 worlds world NNS 39928 2347 6 , , , 39928 2347 7 9 9 CD 39928 2347 8 . . . 39928 2348 1 Galileo Galileo NNP 39928 2348 2 on on IN 39928 2348 3 star star NNP 39928 2348 4 measurement measurement NN 39928 2348 5 , , , 39928 2348 6 74 74 CD 39928 2348 7 . . . 39928 2349 1 Geological geological JJ 39928 2349 2 climates climate NNS 39928 2349 3 , , , 39928 2349 4 222 222 CD 39928 2349 5 . . . 39928 2350 1 Geologists geologist NNS 39928 2350 2 on on IN 39928 2350 3 duration duration NN 39928 2350 4 of of IN 39928 2350 5 sun sun NNP 39928 2350 6 's 's POS 39928 2350 7 heat heat NN 39928 2350 8 , , , 39928 2350 9 275 275 CD 39928 2350 10 . . . 39928 2351 1 Germinal germinal JJ 39928 2351 2 vesicle vesicle NN 39928 2351 3 , , , 39928 2351 4 M'Kendrick M'Kendrick NNP 39928 2351 5 on on IN 39928 2351 6 , , , 39928 2351 7 202 202 CD 39928 2351 8 . . . 39928 2352 1 Gill Gill NNP 39928 2352 2 , , , 39928 2352 3 Sir Sir NNP 39928 2352 4 D. D. NNP 39928 2352 5 , , , 39928 2352 6 on on IN 39928 2352 7 systematic systematic JJ 39928 2352 8 star star NN 39928 2352 9 - - HYPH 39928 2352 10 motions motion NNS 39928 2352 11 , , , 39928 2352 12 178 178 CD 39928 2352 13 . . . 39928 2353 1 Globular globular JJ 39928 2353 2 clusters cluster NNS 39928 2353 3 , , , 39928 2353 4 stability stability NN 39928 2353 5 of of IN 39928 2353 6 , , , 39928 2353 7 126 126 CD 39928 2353 8 ; ; : 39928 2353 9 and and CC 39928 2353 10 variables variable NNS 39928 2353 11 , , , 39928 2353 12 127 127 CD 39928 2353 13 . . . 39928 2354 1 Gore Gore NNP 39928 2354 2 , , , 39928 2354 3 Mr. Mr. NNP 39928 2355 1 J.E. J.E. NNP 39928 2355 2 , , , 39928 2355 3 on on IN 39928 2355 4 stars star NNS 39928 2355 5 in in IN 39928 2355 6 Galaxy Galaxy NNP 39928 2355 7 , , , 39928 2355 8 60 60 CD 39928 2355 9 ; ; : 39928 2355 10 on on IN 39928 2355 11 mass mass NN 39928 2355 12 of of IN 39928 2355 13 binary binary JJ 39928 2355 14 stars star NNS 39928 2355 15 , , , 39928 2355 16 97 97 CD 39928 2355 17 ; ; : 39928 2355 18 on on IN 39928 2355 19 remoteness remoteness NN 39928 2355 20 of of IN 39928 2355 21 bright bright JJ 39928 2355 22 stars star NNS 39928 2355 23 , , , 39928 2355 24 140 140 CD 39928 2355 25 ; ; : 39928 2355 26 on on IN 39928 2355 27 limits limit NNS 39928 2355 28 of of IN 39928 2355 29 star star NN 39928 2355 30 system system NN 39928 2355 31 , , , 39928 2355 32 145 145 CD 39928 2355 33 ; ; : 39928 2355 34 on on IN 39928 2355 35 limited limited JJ 39928 2355 36 number number NN 39928 2355 37 of of IN 39928 2355 38 stars star NNS 39928 2355 39 , , , 39928 2355 40 151 151 CD 39928 2355 41 ; ; : 39928 2355 42 on on IN 39928 2355 43 life life NN 39928 2355 44 on on IN 39928 2355 45 planets planet NNS 39928 2355 46 of of IN 39928 2355 47 other other JJ 39928 2355 48 suns sun NNS 39928 2355 49 , , , 39928 2355 50 282 282 CD 39928 2355 51 , , , 39928 2355 52 289 289 CD 39928 2355 53 . . . 39928 2356 1 Gould Gould NNP 39928 2356 2 on on IN 39928 2356 3 solar solar JJ 39928 2356 4 cluster cluster NN 39928 2356 5 , , , 39928 2356 6 165 165 CD 39928 2356 7 . . . 39928 2357 1 Gould Gould NNP 39928 2357 2 's 's POS 39928 2357 3 map map NN 39928 2357 4 of of IN 39928 2357 5 Milky Milky NNP 39928 2357 6 Way Way NNP 39928 2357 7 , , , 39928 2357 8 164 164 CD 39928 2357 9 . . . 39928 2358 1 Gravitation gravitation NN 39928 2358 2 , , , 39928 2358 3 motions motion NNS 39928 2358 4 produced produce VBN 39928 2358 5 by by IN 39928 2358 6 , , , 39928 2358 7 on on IN 39928 2358 8 Lord Lord NNP 39928 2358 9 Kelvin Kelvin NNP 39928 2358 10 's 's POS 39928 2358 11 hypothesis hypothesis NN 39928 2358 12 , , , 39928 2358 13 298 298 CD 39928 2358 14 . . . 39928 2359 1 Haliburton Haliburton NNP 39928 2359 2 , , , 39928 2359 3 Professor Professor NNP 39928 2359 4 W.D. W.D. NNP 39928 2359 5 , , , 39928 2359 6 on on IN 39928 2359 7 proteids proteid NNS 39928 2359 8 , , , 39928 2359 9 200 200 CD 39928 2359 10 . . . 39928 2360 1 Heat heat NN 39928 2360 2 and and CC 39928 2360 3 cold cold JJ 39928 2360 4 on on IN 39928 2360 5 earth earth NN 39928 2360 6 's 's POS 39928 2360 7 surface surface NN 39928 2360 8 , , , 39928 2360 9 207 207 CD 39928 2360 10 . . . 39928 2361 1 Heat heat NN 39928 2361 2 - - HYPH 39928 2361 3 supply supply NN 39928 2361 4 , , , 39928 2361 5 our -PRON- PRP$ 39928 2361 6 long long RB 39928 2361 7 - - HYPH 39928 2361 8 continued continued JJ 39928 2361 9 , , , 39928 2361 10 accounted account VBD 39928 2361 11 for for IN 39928 2361 12 , , , 39928 2361 13 305 305 CD 39928 2361 14 . . . 39928 2362 1 Herschel Herschel NNP 39928 2362 2 , , , 39928 2362 3 Sir Sir NNP 39928 2362 4 J. J. NNP 39928 2362 5 , , , 39928 2362 6 on on IN 39928 2362 7 Milky Milky NNP 39928 2362 8 Way Way NNP 39928 2362 9 , , , 39928 2362 10 50 50 CD 39928 2362 11 ; ; : 39928 2362 12 on on IN 39928 2362 13 limits limit NNS 39928 2362 14 of of IN 39928 2362 15 the the DT 39928 2362 16 star star NN 39928 2362 17 - - HYPH 39928 2362 18 system system NN 39928 2362 19 , , , 39928 2362 20 147 147 CD 39928 2362 21 . . . 39928 2363 1 Heliometer heliometer NN 39928 2363 2 , , , 39928 2363 3 description description NN 39928 2363 4 of of IN 39928 2363 5 , , , 39928 2363 6 89 89 CD 39928 2363 7 . . . 39928 2364 1 Huggins Huggins NNP 39928 2364 2 , , , 39928 2364 3 Sir Sir NNP 39928 2364 4 W. W. NNP 39928 2364 5 , , , 39928 2364 6 on on IN 39928 2364 7 spectra spectra NNP 39928 2364 8 of of IN 39928 2364 9 stars star NNS 39928 2364 10 , , , 39928 2364 11 32 32 CD 39928 2364 12 ; ; : 39928 2364 13 measures measure NNS 39928 2364 14 radial radial JJ 39928 2364 15 motion motion NN 39928 2364 16 , , , 39928 2364 17 37 37 CD 39928 2364 18 . . . 39928 2365 1 Huxley Huxley NNP 39928 2365 2 , , , 39928 2365 3 Prof. Prof. NNP 39928 2365 4 , , , 39928 2365 5 on on IN 39928 2365 6 protoplasm protoplasm NN 39928 2365 7 , , , 39928 2365 8 198 198 CD 39928 2365 9 ; ; : 39928 2365 10 on on IN 39928 2365 11 duration duration NN 39928 2365 12 of of IN 39928 2365 13 life life NN 39928 2365 14 , , , 39928 2365 15 278 278 CD 39928 2365 16 . . . 39928 2366 1 Hydrogen Hydrogen NNP 39928 2366 2 , , , 39928 2366 3 why why WRB 39928 2366 4 not not RB 39928 2366 5 in in IN 39928 2366 6 atmosphere atmosphere NN 39928 2366 7 , , , 39928 2366 8 240 240 CD 39928 2366 9 ; ; : 39928 2366 10 escapes escape NNS 39928 2366 11 from from IN 39928 2366 12 earth earth NN 39928 2366 13 , , , 39928 2366 14 264 264 CD 39928 2366 15 . . . 39928 2367 1 Infinity Infinity NNP 39928 2367 2 , , , 39928 2367 3 unknowable unknowable JJ 39928 2367 4 , , , 39928 2367 5 323 323 CD 39928 2367 6 ; ; : 39928 2367 7 Proctor proctor NN 39928 2367 8 on on RB 39928 2367 9 , , , 39928 2367 10 324 324 CD 39928 2367 11 . . . 39928 2368 1 Jupiter Jupiter NNP 39928 2368 2 's 's POS 39928 2368 3 satellites satellite NNS 39928 2368 4 show show VBP 39928 2368 5 speed speed NN 39928 2368 6 of of IN 39928 2368 7 light light NN 39928 2368 8 , , , 39928 2368 9 79 79 CD 39928 2368 10 . . . 39928 2369 1 Kapteyn Kapteyn NNP 39928 2369 2 on on IN 39928 2369 3 solar solar JJ 39928 2369 4 cluster cluster NN 39928 2369 5 , , , 39928 2369 6 166 166 CD 39928 2369 7 . . . 39928 2370 1 Kelvin Kelvin NNP 39928 2370 2 , , , 39928 2370 3 Lord Lord NNP 39928 2370 4 , , , 39928 2370 5 on on IN 39928 2370 6 the the DT 39928 2370 7 sun sun NN 39928 2370 8 's 's POS 39928 2370 9 age age NN 39928 2370 10 , , , 39928 2370 11 279 279 CD 39928 2370 12 ; ; : 39928 2370 13 on on IN 39928 2370 14 a a DT 39928 2370 15 suggested suggest VBN 39928 2370 16 primitive primitive JJ 39928 2370 17 form form NN 39928 2370 18 of of IN 39928 2370 19 star star NN 39928 2370 20 - - HYPH 39928 2370 21 system system NN 39928 2370 22 , , , 39928 2370 23 298 298 CD 39928 2370 24 . . . 39928 2371 1 Kirchhoff Kirchhoff NNP 39928 2371 2 , , , 39928 2371 3 discovers discover NNS 39928 2371 4 spectrum spectrum NN 39928 2371 5 - - HYPH 39928 2371 6 analysis analysis NNP 39928 2371 7 , , , 39928 2371 8 28 28 CD 39928 2371 9 . . . 39928 2372 1 Laws law NNS 39928 2372 2 of of IN 39928 2372 3 matter matter NN 39928 2372 4 uniform uniform NN 39928 2372 5 throughout throughout IN 39928 2372 6 universe universe NNP 39928 2372 7 , , , 39928 2372 8 187 187 CD 39928 2372 9 . . . 39928 2373 1 Leaves leave NNS 39928 2373 2 , , , 39928 2373 3 importance importance NN 39928 2373 4 of of IN 39928 2373 5 , , , 39928 2373 6 197 197 CD 39928 2373 7 . . . 39928 2374 1 Lee Lee NNP 39928 2374 2 , , , 39928 2374 3 Dr. Dr. NNP 39928 2374 4 , , , 39928 2374 5 on on IN 39928 2374 6 origin origin NN 39928 2374 7 of of IN 39928 2374 8 double double JJ 39928 2374 9 stars star NNS 39928 2374 10 , , , 39928 2374 11 123 123 CD 39928 2374 12 . . . 39928 2375 1 Lewis Lewis NNP 39928 2375 2 , , , 39928 2375 3 on on IN 39928 2375 4 remote remote JJ 39928 2375 5 bright bright JJ 39928 2375 6 stars star NNS 39928 2375 7 , , , 39928 2375 8 141 141 CD 39928 2375 9 . . . 39928 2376 1 Life life NN 39928 2376 2 , , , 39928 2376 3 unity unity NN 39928 2376 4 of of IN 39928 2376 5 organic organic JJ 39928 2376 6 , , , 39928 2376 7 189 189 CD 39928 2376 8 ; ; : 39928 2376 9 definitions definition NNS 39928 2376 10 of of IN 39928 2376 11 , , , 39928 2376 12 191 191 CD 39928 2376 13 ; ; : 39928 2376 14 conditions condition NNS 39928 2376 15 essential essential JJ 39928 2376 16 for for IN 39928 2376 17 , , , 39928 2376 18 206 206 CD 39928 2376 19 ; ; : 39928 2376 20 water water NN 39928 2376 21 essential essential JJ 39928 2376 22 for for IN 39928 2376 23 , , , 39928 2376 24 210 210 CD 39928 2376 25 ; ; : 39928 2376 26 atmosphere atmosphere NN 39928 2376 27 for for IN 39928 2376 28 , , , 39928 2376 29 210 210 CD 39928 2376 30 ; ; : 39928 2376 31 dependent dependent JJ 39928 2376 32 on on IN 39928 2376 33 temperature temperature NN 39928 2376 34 , , , 39928 2376 35 218 218 CD 39928 2376 36 ; ; : 39928 2376 37 now now RB 39928 2376 38 improbable improbable JJ 39928 2376 39 in in IN 39928 2376 40 stars star NNS 39928 2376 41 , , , 39928 2376 42 288 288 CD 39928 2376 43 ; ; : 39928 2376 44 conditions condition NNS 39928 2376 45 essential essential JJ 39928 2376 46 for for IN 39928 2376 47 , , , 39928 2376 48 summarised summarise VBN 39928 2376 49 , , , 39928 2376 50 314 314 CD 39928 2376 51 . . . 39928 2377 1 Life life NN 39928 2377 2 - - HYPH 39928 2377 3 processes process NNS 39928 2377 4 , , , 39928 2377 5 explanations explanation NNS 39928 2377 6 of of IN 39928 2377 7 , , , 39928 2377 8 202 202 CD 39928 2377 9 . . . 39928 2378 1 Light light NN 39928 2378 2 , , , 39928 2378 3 velocity velocity NN 39928 2378 4 of of IN 39928 2378 5 measured measure VBN 39928 2378 6 , , , 39928 2378 7 79 79 CD 39928 2378 8 ; ; : 39928 2378 9 necessity necessity NN 39928 2378 10 of of IN 39928 2378 11 solar solar JJ 39928 2378 12 , , , 39928 2378 13 209 209 CD 39928 2378 14 ; ; : 39928 2378 15 from from IN 39928 2378 16 sky sky NN 39928 2378 17 due due IN 39928 2378 18 to to IN 39928 2378 19 dust dust NN 39928 2378 20 , , , 39928 2378 21 252 252 CD 39928 2378 22 . . . 39928 2379 1 Light light JJ 39928 2379 2 - - HYPH 39928 2379 3 journey journey NN 39928 2379 4 explained explain VBD 39928 2379 5 , , , 39928 2379 6 75 75 CD 39928 2379 7 . . . 39928 2380 1 Light light JJ 39928 2380 2 - - HYPH 39928 2380 3 ratio ratio NN 39928 2380 4 shows show VBZ 39928 2380 5 stars star NNS 39928 2380 6 to to TO 39928 2380 7 be be VB 39928 2380 8 limited limit VBN 39928 2380 9 , , , 39928 2380 10 152 152 CD 39928 2380 11 . . . 39928 2381 1 Living live VBG 39928 2381 2 bodies body NNS 39928 2381 3 , , , 39928 2381 4 essential essential JJ 39928 2381 5 points point NNS 39928 2381 6 in in IN 39928 2381 7 , , , 39928 2381 8 192 192 CD 39928 2381 9 . . . 39928 2382 1 Lockyer Lockyer NNP 39928 2382 2 , , , 39928 2382 3 Sir Sir NNP 39928 2382 4 . . . 39928 2383 1 N. N. NNP 39928 2383 2 , , , 39928 2383 3 on on IN 39928 2383 4 inorganic inorganic JJ 39928 2383 5 evolution evolution NN 39928 2383 6 , , , 39928 2383 7 117 117 CD 39928 2383 8 ; ; : 39928 2383 9 on on IN 39928 2383 10 evolution evolution NN 39928 2383 11 of of IN 39928 2383 12 stars star NNS 39928 2383 13 , , , 39928 2383 14 130 130 CD 39928 2383 15 ; ; : 39928 2383 16 on on IN 39928 2383 17 Milky Milky NNP 39928 2383 18 Way Way NNP 39928 2383 19 , , , 39928 2383 20 159 159 CD 39928 2383 21 ; ; : 39928 2383 22 on on IN 39928 2383 23 position position NN 39928 2383 24 of of IN 39928 2383 25 solar solar JJ 39928 2383 26 system system NN 39928 2383 27 , , , 39928 2383 28 161 161 CD 39928 2383 29 . . . 39928 2384 1 Luigi Luigi NNP 39928 2384 2 d'Auria d'Auria NNP 39928 2384 3 on on IN 39928 2384 4 stellar stellar JJ 39928 2384 5 motion motion NN 39928 2384 6 , , , 39928 2384 7 306 306 CD 39928 2384 8 . . . 39928 2385 1 M'Kendrick M'Kendrick NNP 39928 2385 2 , , , 39928 2385 3 Prof. Prof. NNP 39928 2385 4 , , , 39928 2385 5 on on IN 39928 2385 6 germinal germinal JJ 39928 2385 7 vesicle vesicle NN 39928 2385 8 , , , 39928 2385 9 202 202 CD 39928 2385 10 . . . 39928 2386 1 Magnetism magnetism NN 39928 2386 2 and and CC 39928 2386 3 sun sun NN 39928 2386 4 - - HYPH 39928 2386 5 spots spot NNS 39928 2386 6 , , , 39928 2386 7 106 106 CD 39928 2386 8 . . . 39928 2387 1 Man man NN 39928 2387 2 , , , 39928 2387 3 Shakespeare Shakespeare NNP 39928 2387 4 on on IN 39928 2387 5 , , , 39928 2387 6 322 322 CD 39928 2387 7 . . . 39928 2388 1 Mars Mars NNP 39928 2388 2 , , , 39928 2388 3 has have VBZ 39928 2388 4 no no DT 39928 2388 5 water water NN 39928 2388 6 , , , 39928 2388 7 266 266 CD 39928 2388 8 ; ; : 39928 2388 9 excessive excessive JJ 39928 2388 10 temperatures temperature NNS 39928 2388 11 on on IN 39928 2388 12 , , , 39928 2388 13 267 267 CD 39928 2388 14 . . . 39928 2389 1 Matter Matter NNP 39928 2389 2 of of IN 39928 2389 3 universe universe NNP 39928 2389 4 uniform uniform NN 39928 2389 5 , , , 39928 2389 6 183 183 CD 39928 2389 7 . . . 39928 2390 1 Maunder maunder NN 39928 2390 2 on on IN 39928 2390 3 dark dark JJ 39928 2390 4 stars star NNS 39928 2390 5 , , , 39928 2390 6 143 143 CD 39928 2390 7 . . . 39928 2391 1 Maxwell Maxwell NNP 39928 2391 2 Hall Hall NNP 39928 2391 3 , , , 39928 2391 4 Mr. Mr. NNP 39928 2391 5 , , , 39928 2391 6 on on IN 39928 2391 7 star star NN 39928 2391 8 - - HYPH 39928 2391 9 motions motion NNS 39928 2391 10 , , , 39928 2391 11 178 178 CD 39928 2391 12 . . . 39928 2392 1 Measurement Measurement NNP 39928 2392 2 of of IN 39928 2392 3 star star NN 39928 2392 4 - - HYPH 39928 2392 5 distances distance NNS 39928 2392 6 , , , 39928 2392 7 85 85 CD 39928 2392 8 ; ; : 39928 2392 9 difficulty difficulty NN 39928 2392 10 of of IN 39928 2392 11 , , , 39928 2392 12 86 86 CD 39928 2392 13 . . . 39928 2393 1 Mercury Mercury NNP 39928 2393 2 not not RB 39928 2393 3 habitable habitable JJ 39928 2393 4 , , , 39928 2393 5 266 266 CD 39928 2393 6 . . . 39928 2394 1 Meteorites Meteorites NNPS 39928 2394 2 , , , 39928 2394 3 elements element NNS 39928 2394 4 in in IN 39928 2394 5 , , , 39928 2394 6 185 185 CD 39928 2394 7 ; ; : 39928 2394 8 not not RB 39928 2394 9 primitive primitive JJ 39928 2394 10 bodies body NNS 39928 2394 11 , , , 39928 2394 12 186 186 CD 39928 2394 13 . . . 39928 2395 1 Meteoritic meteoritic JJ 39928 2395 2 hypothesis hypothesis NN 39928 2395 3 , , , 39928 2395 4 113 113 CD 39928 2395 5 ; ; : 39928 2395 6 Proctor proctor NN 39928 2395 7 on on RB 39928 2395 8 , , , 39928 2395 9 114 114 CD 39928 2395 10 ; ; : 39928 2395 11 explains explain VBZ 39928 2395 12 nebulæ nebulæ NN 39928 2395 13 , , , 39928 2395 14 116 116 CD 39928 2395 15 ; ; : 39928 2395 16 Dr. Dr. NNP 39928 2395 17 Roberts Roberts NNP 39928 2395 18 on on IN 39928 2395 19 , , , 39928 2395 20 119 119 CD 39928 2395 21 . . . 39928 2396 1 Milky Milky NNP 39928 2396 2 Way Way NNP 39928 2396 3 , , , 39928 2396 4 the the DT 39928 2396 5 , , , 39928 2396 6 48 48 CD 39928 2396 7 ; ; : 39928 2396 8 form form NN 39928 2396 9 of of IN 39928 2396 10 , , , 39928 2396 11 51 51 CD 39928 2396 12 , , , 39928 2396 13 159 159 CD 39928 2396 14 ; ; : 39928 2396 15 description description NN 39928 2396 16 of of IN 39928 2396 17 , , , 39928 2396 18 52 52 CD 39928 2396 19 ; ; : 39928 2396 20 telescopic telescopic JJ 39928 2396 21 view view NN 39928 2396 22 of of IN 39928 2396 23 , , , 39928 2396 24 57 57 CD 39928 2396 25 ; ; : 39928 2396 26 stars star NNS 39928 2396 27 in in IN 39928 2396 28 relation relation NN 39928 2396 29 to to IN 39928 2396 30 , , , 39928 2396 31 59 59 CD 39928 2396 32 ; ; : 39928 2396 33 Mr. Mr. NNP 39928 2396 34 Gore Gore NNP 39928 2396 35 on on IN 39928 2396 36 , , , 39928 2396 37 60 60 CD 39928 2396 38 ; ; : 39928 2396 39 density density NN 39928 2396 40 of of IN 39928 2396 41 stars star NNS 39928 2396 42 in in IN 39928 2396 43 , , , 39928 2396 44 61 61 CD 39928 2396 45 ; ; : 39928 2396 46 clusters cluster NNS 39928 2396 47 and and CC 39928 2396 48 nebulæ nebulæ NN 39928 2396 49 in in IN 39928 2396 50 relation relation NN 39928 2396 51 to to IN 39928 2396 52 , , , 39928 2396 53 67 67 CD 39928 2396 54 ; ; : 39928 2396 55 probable probable JJ 39928 2396 56 distance distance NN 39928 2396 57 of of IN 39928 2396 58 , , , 39928 2396 59 96 96 CD 39928 2396 60 ; ; : 39928 2396 61 forms form VBZ 39928 2396 62 a a DT 39928 2396 63 great great JJ 39928 2396 64 circle circle NN 39928 2396 65 , , , 39928 2396 66 157 157 CD 39928 2396 67 , , , 39928 2396 68 162 162 CD 39928 2396 69 ; ; : 39928 2396 70 Prof. Prof. NNP 39928 2396 71 Newcomb Newcomb NNP 39928 2396 72 on on IN 39928 2396 73 , , , 39928 2396 74 158 158 CD 39928 2396 75 ; ; : 39928 2396 76 probably probably RB 39928 2396 77 no no DT 39928 2396 78 life life NN 39928 2396 79 in in IN 39928 2396 80 , , , 39928 2396 81 284 284 CD 39928 2396 82 ; ; : 39928 2396 83 diagrams diagram NNS 39928 2396 84 of of IN 39928 2396 85 , , , 39928 2396 86 300 300 CD 39928 2396 87 ; ; : 39928 2396 88 revolution revolution NN 39928 2396 89 of of IN 39928 2396 90 , , , 39928 2396 91 important important JJ 39928 2396 92 to to IN 39928 2396 93 us -PRON- PRP 39928 2396 94 , , , 39928 2396 95 307 307 CD 39928 2396 96 . . . 39928 2397 1 Million million CD 39928 2397 2 , , , 39928 2397 3 how how WRB 39928 2397 4 to to TO 39928 2397 5 appreciate appreciate VB 39928 2397 6 a a DT 39928 2397 7 , , , 39928 2397 8 82 82 CD 39928 2397 9 . . . 39928 2398 1 Minchin Minchin NNP 39928 2398 2 , , , 39928 2398 3 G.M. G.M. NNP 39928 2398 4 , , , 39928 2398 5 on on IN 39928 2398 6 radiation radiation NN 39928 2398 7 from from IN 39928 2398 8 stars star NNS 39928 2398 9 , , , 39928 2398 10 290 290 CD 39928 2398 11 . . . 39928 2399 1 Monck Monck NNP 39928 2399 2 , , , 39928 2399 3 Mr. Mr. NNP 39928 2400 1 W.H.S. W.H.S. NNP 39928 2400 2 , , , 39928 2400 3 on on IN 39928 2400 4 non non JJ 39928 2400 5 - - JJ 39928 2400 6 infinity infinity NN 39928 2400 7 of of IN 39928 2400 8 stars star NNS 39928 2400 9 , , , 39928 2400 10 144 144 CD 39928 2400 11 ; ; : 39928 2400 12 on on IN 39928 2400 13 uncertainty uncertainty NN 39928 2400 14 of of IN 39928 2400 15 sun sun NN 39928 2400 16 's 's POS 39928 2400 17 motion motion NN 39928 2400 18 , , , 39928 2400 19 177 177 CD 39928 2400 20 . . . 39928 2401 1 Moon Moon NNP 39928 2401 2 , , , 39928 2401 3 why why WRB 39928 2401 4 no no DT 39928 2401 5 atmosphere atmosphere NN 39928 2401 6 , , , 39928 2401 7 263 263 CD 39928 2401 8 . . . 39928 2402 1 Moon Moon NNP 39928 2402 2 's 's POS 39928 2402 3 supposed suppose VBN 39928 2402 4 origin origin NN 39928 2402 5 , , , 39928 2402 6 233 233 CD 39928 2402 7 . . . 39928 2403 1 Motion motion NN 39928 2403 2 , , , 39928 2403 3 in in IN 39928 2403 4 line line NN 39928 2403 5 of of IN 39928 2403 6 sight sight NN 39928 2403 7 , , , 39928 2403 8 35 35 CD 39928 2403 9 . . . 39928 2404 1 Motions motion NNS 39928 2404 2 , , , 39928 2404 3 imperceptible imperceptible JJ 39928 2404 4 , , , 39928 2404 5 39 39 CD 39928 2404 6 . . . 39928 2405 1 Nebulæ nebulæ NN 39928 2405 2 , , , 39928 2405 3 with with IN 39928 2405 4 gaseous gaseous JJ 39928 2405 5 spectra spectra NNP 39928 2405 6 , , , 39928 2405 7 43 43 CD 39928 2405 8 ; ; : 39928 2405 9 in in IN 39928 2405 10 relation relation NN 39928 2405 11 to to IN 39928 2405 12 Galaxy Galaxy NNP 39928 2405 13 , , , 39928 2405 14 66 66 CD 39928 2405 15 ; ; : 39928 2405 16 distribution distribution NN 39928 2405 17 of of IN 39928 2405 18 , , , 39928 2405 19 69 69 CD 39928 2405 20 ; ; : 39928 2405 21 many many JJ 39928 2405 22 forms form NNS 39928 2405 23 of of IN 39928 2405 24 , , , 39928 2405 25 70 70 CD 39928 2405 26 ; ; , 39928 2405 27 gaseous gaseous JJ 39928 2405 28 , , , 39928 2405 29 71 71 CD 39928 2405 30 ; ; : 39928 2405 31 meteoritic meteoritic JJ 39928 2405 32 theory theory NN 39928 2405 33 of of IN 39928 2405 34 , , , 39928 2405 35 116 116 CD 39928 2405 36 ; ; : 39928 2405 37 planetary planetary NN 39928 2405 38 and and CC 39928 2405 39 annular annular NNP 39928 2405 40 , , , 39928 2405 41 175 175 CD 39928 2405 42 ; ; : 39928 2405 43 Dr. Dr. NNP 39928 2405 44 Roberts Roberts NNP 39928 2405 45 on on IN 39928 2405 46 spiral spiral JJ 39928 2405 47 , , , 39928 2405 48 117 117 CD 39928 2405 49 , , , 39928 2405 50 174 174 CD 39928 2405 51 ; ; : 39928 2405 52 Chamberlin Chamberlin NNP 39928 2405 53 on on IN 39928 2405 54 origin origin NN 39928 2405 55 of of IN 39928 2405 56 , , , 39928 2405 57 120 120 CD 39928 2405 58 . . . 39928 2406 1 Nebular nebular JJ 39928 2406 2 hypothesis hypothesis NN 39928 2406 3 , , , 39928 2406 4 98 98 CD 39928 2406 5 , , , 39928 2406 6 111 111 CD 39928 2406 7 ; ; : 39928 2406 8 objection objection NN 39928 2406 9 to to IN 39928 2406 10 , , , 39928 2406 11 112 112 CD 39928 2406 12 . . . 39928 2407 1 Newcomb Newcomb NNP 39928 2407 2 , , , 39928 2407 3 Prof. Prof. NNP 39928 2407 4 S. S. NNP 39928 2407 5 , , , 39928 2407 6 on on IN 39928 2407 7 star star NN 39928 2407 8 distribution distribution NN 39928 2407 9 , , , 39928 2407 10 61 61 CD 39928 2407 11 ; ; : 39928 2407 12 on on IN 39928 2407 13 parallax parallax NN 39928 2407 14 of of IN 39928 2407 15 stars star NNS 39928 2407 16 , , , 39928 2407 17 94 94 CD 39928 2407 18 ; ; : 39928 2407 19 on on IN 39928 2407 20 stability stability NN 39928 2407 21 of of IN 39928 2407 22 star star NN 39928 2407 23 clusters cluster NNS 39928 2407 24 , , , 39928 2407 25 126 126 CD 39928 2407 26 ; ; : 39928 2407 27 on on IN 39928 2407 28 scarcity scarcity NN 39928 2407 29 of of IN 39928 2407 30 single single JJ 39928 2407 31 stars star NNS 39928 2407 32 , , , 39928 2407 33 128 128 CD 39928 2407 34 ; ; : 39928 2407 35 on on IN 39928 2407 36 limits limit NNS 39928 2407 37 of of IN 39928 2407 38 star star NN 39928 2407 39 system system NN 39928 2407 40 , , , 39928 2407 41 138 138 CD 39928 2407 42 ; ; , 39928 2407 43 on on IN 39928 2407 44 Milky Milky NNP 39928 2407 45 Way Way NNP 39928 2407 46 , , , 39928 2407 47 158 158 CD 39928 2407 48 , , , 39928 2407 49 160 160 CD 39928 2407 50 ; ; : 39928 2407 51 on on IN 39928 2407 52 solar solar JJ 39928 2407 53 cluster cluster NN 39928 2407 54 , , , 39928 2407 55 167 167 CD 39928 2407 56 ; ; , 39928 2407 57 on on IN 39928 2407 58 star star NNP 39928 2407 59 velocities velocity NNS 39928 2407 60 , , , 39928 2407 61 171 171 CD 39928 2407 62 ; ; : 39928 2407 63 on on IN 39928 2407 64 average average JJ 39928 2407 65 small small JJ 39928 2407 66 mass mass NN 39928 2407 67 of of IN 39928 2407 68 stars star NNS 39928 2407 69 , , , 39928 2407 70 285 285 CD 39928 2407 71 ; ; : 39928 2407 72 on on IN 39928 2407 73 star star NN 39928 2407 74 - - HYPH 39928 2407 75 motions motion NNS 39928 2407 76 , , , 39928 2407 77 297 297 CD 39928 2407 78 . . . 39928 2408 1 Newton Newton NNP 39928 2408 2 , , , 39928 2408 3 Sir Sir NNP 39928 2408 4 Isaac Isaac NNP 39928 2408 5 , , , 39928 2408 6 on on IN 39928 2408 7 sun sun NNP 39928 2408 8 's 's POS 39928 2408 9 habitability habitability NN 39928 2408 10 , , , 39928 2408 11 9 9 CD 39928 2408 12 . . . 39928 2409 1 Nichols Nichols NNP 39928 2409 2 , , , 39928 2409 3 E.F. E.F. NNP 39928 2409 4 , , , 39928 2409 5 on on IN 39928 2409 6 heat heat NN 39928 2409 7 of of IN 39928 2409 8 stars star NNS 39928 2409 9 , , , 39928 2409 10 290 290 CD 39928 2409 11 . . . 39928 2410 1 Nitrogen Nitrogen NNP 39928 2410 2 , , , 39928 2410 3 its -PRON- PRP$ 39928 2410 4 importance importance NN 39928 2410 5 to to IN 39928 2410 6 life life NN 39928 2410 7 , , , 39928 2410 8 195 195 CD 39928 2410 9 . . . 39928 2411 1 Non non JJ 39928 2411 2 - - JJ 39928 2411 3 habitability habitability NN 39928 2411 4 of of IN 39928 2411 5 great great JJ 39928 2411 6 planets planet NNS 39928 2411 7 , , , 39928 2411 8 272 272 CD 39928 2411 9 . . . 39928 2412 1 Ocean ocean NN 39928 2412 2 and and CC 39928 2412 3 land land NN 39928 2412 4 , , , 39928 2412 5 diagram diagram NN 39928 2412 6 of of IN 39928 2412 7 , , , 39928 2412 8 228 228 CD 39928 2412 9 . . . 39928 2413 1 ---- ---- NFP 39928 2413 2 basins basin NNS 39928 2413 3 , , , 39928 2413 4 permanence permanence NN 39928 2413 5 of of IN 39928 2413 6 , , , 39928 2413 7 229 229 CD 39928 2413 8 . . . 39928 2414 1 ---- ---- NFP 39928 2414 2 ---- ---- NFP 39928 2414 3 symmetry symmetry NN 39928 2414 4 of of IN 39928 2414 5 , , , 39928 2414 6 238 238 CD 39928 2414 7 . . . 39928 2415 1 ---- ---- NFP 39928 2415 2 depths depth NNS 39928 2415 3 , , , 39928 2415 4 how how WRB 39928 2415 5 produced produce VBN 39928 2415 6 , , , 39928 2415 7 232 232 CD 39928 2415 8 . . . 39928 2416 1 Oceans ocean NNS 39928 2416 2 , , , 39928 2416 3 effect effect NN 39928 2416 4 of of IN 39928 2416 5 , , , 39928 2416 6 on on IN 39928 2416 7 temperature temperature NN 39928 2416 8 , , , 39928 2416 9 239 239 CD 39928 2416 10 ; ; : 39928 2416 11 curious curious JJ 39928 2416 12 relations relation NNS 39928 2416 13 of of IN 39928 2416 14 , , , 39928 2416 15 264 264 CD 39928 2416 16 . . . 39928 2417 1 Organic organic JJ 39928 2417 2 products product NNS 39928 2417 3 , , , 39928 2417 4 diversity diversity NN 39928 2417 5 of of IN 39928 2417 6 , , , 39928 2417 7 195 195 CD 39928 2417 8 . . . 39928 2418 1 Photographic photographic JJ 39928 2418 2 astronomy astronomy NN 39928 2418 3 , , , 39928 2418 4 43 43 CD 39928 2418 5 ; ; : 39928 2418 6 measures measure NNS 39928 2418 7 of of IN 39928 2418 8 star star NN 39928 2418 9 - - HYPH 39928 2418 10 distances distance NNS 39928 2418 11 , , , 39928 2418 12 89 89 CD 39928 2418 13 . . . 39928 2419 1 Photosphere Photosphere NNP 39928 2419 2 , , , 39928 2419 3 the the DT 39928 2419 4 , , , 39928 2419 5 105 105 CD 39928 2419 6 . . . 39928 2420 1 Physicists physicist NNS 39928 2420 2 on on IN 39928 2420 3 sun sun NN 39928 2420 4 's 's POS 39928 2420 5 duration duration NN 39928 2420 6 , , , 39928 2420 7 278 278 CD 39928 2420 8 . . . 39928 2421 1 Pickering pickering NN 39928 2421 2 's 's POS 39928 2421 3 measurements measurement NNS 39928 2421 4 of of IN 39928 2421 5 Algol Algol NNP 39928 2421 6 , , , 39928 2421 7 40 40 CD 39928 2421 8 . . . 39928 2422 1 Planets planet NNS 39928 2422 2 , , , 39928 2422 3 supposed suppose VBN 39928 2422 4 habitability habitability NN 39928 2422 5 of of IN 39928 2422 6 , , , 39928 2422 7 266 266 CD 39928 2422 8 , , , 39928 2422 9 269 269 CD 39928 2422 10 ; ; : 39928 2422 11 the the DT 39928 2422 12 great great JJ 39928 2422 13 , , , 39928 2422 14 uninhabitable uninhabitable JJ 39928 2422 15 , , , 39928 2422 16 272 272 CD 39928 2422 17 ; ; , 39928 2422 18 internal internal JJ 39928 2422 19 heat heat NN 39928 2422 20 of of IN 39928 2422 21 great great JJ 39928 2422 22 , , , 39928 2422 23 273 273 CD 39928 2422 24 ; ; : 39928 2422 25 a a DT 39928 2422 26 last last JJ 39928 2422 27 argument argument NN 39928 2422 28 for for IN 39928 2422 29 habitability habitability NN 39928 2422 30 of of IN 39928 2422 31 , , , 39928 2422 32 274 274 CD 39928 2422 33 ; ; : 39928 2422 34 have have VBP 39928 2422 35 probably probably RB 39928 2422 36 no no DT 39928 2422 37 life life NN 39928 2422 38 , , , 39928 2422 39 315 315 CD 39928 2422 40 . . . 39928 2423 1 Planets planet NNS 39928 2423 2 ' ' POS 39928 2423 3 motions motion NNS 39928 2423 4 first first RB 39928 2423 5 explained explain VBD 39928 2423 6 , , , 39928 2423 7 3 3 CD 39928 2423 8 ; ; : 39928 2423 9 mass mass NN 39928 2423 10 and and CC 39928 2423 11 atmosphere atmosphere NN 39928 2423 12 , , , 39928 2423 13 262 262 CD 39928 2423 14 . . . 39928 2424 1 Pleiades pleiade NNS 39928 2424 2 , , , 39928 2424 3 number number NN 39928 2424 4 of of IN 39928 2424 5 stars star NNS 39928 2424 6 in in IN 39928 2424 7 , , , 39928 2424 8 67 67 CD 39928 2424 9 ; ; : 39928 2424 10 a a DT 39928 2424 11 drifting drifting JJ 39928 2424 12 cluster cluster NN 39928 2424 13 , , , 39928 2424 14 177 177 CD 39928 2424 15 . . . 39928 2425 1 Plurality plurality NN 39928 2425 2 of of IN 39928 2425 3 worlds world NNS 39928 2425 4 , , , 39928 2425 5 early early JJ 39928 2425 6 writers writer NNS 39928 2425 7 on on IN 39928 2425 8 , , , 39928 2425 9 9 9 CD 39928 2425 10 ; ; : 39928 2425 11 Proctor proctor NN 39928 2425 12 on on IN 39928 2425 13 , , , 39928 2425 14 18 18 CD 39928 2425 15 . . . 39928 2426 1 Posidonius Posidonius NNP 39928 2426 2 measures measure VBZ 39928 2426 3 the the DT 39928 2426 4 earth earth NN 39928 2426 5 , , , 39928 2426 6 5 5 CD 39928 2426 7 . . . 39928 2427 1 Pritchard Pritchard NNP 39928 2427 2 's 's POS 39928 2427 3 photographic photographic JJ 39928 2427 4 measures measure NNS 39928 2427 5 of of IN 39928 2427 6 star star NN 39928 2427 7 - - HYPH 39928 2427 8 distance distance NNP 39928 2427 9 , , , 39928 2427 10 89 89 CD 39928 2427 11 . . . 39928 2428 1 Proctor proctor NN 39928 2428 2 , , , 39928 2428 3 R.A. R.A. NNP 39928 2428 4 , , , 39928 2428 5 on on IN 39928 2428 6 other other JJ 39928 2428 7 worlds world NNS 39928 2428 8 , , , 39928 2428 9 18 18 CD 39928 2428 10 ; ; : 39928 2428 11 on on IN 39928 2428 12 form form NN 39928 2428 13 of of IN 39928 2428 14 Galaxy Galaxy NNP 39928 2428 15 , , , 39928 2428 16 51 51 CD 39928 2428 17 ; ; : 39928 2428 18 on on IN 39928 2428 19 Herschel Herschel NNP 39928 2428 20 's 's POS 39928 2428 21 views view NNS 39928 2428 22 , , , 39928 2428 23 101 101 CD 39928 2428 24 ; ; : 39928 2428 25 on on IN 39928 2428 26 stellar stellar JJ 39928 2428 27 universe universe NN 39928 2428 28 , , , 39928 2428 29 103 103 CD 39928 2428 30 ; ; : 39928 2428 31 on on IN 39928 2428 32 meteoritic meteoritic JJ 39928 2428 33 theory theory NN 39928 2428 34 , , , 39928 2428 35 114 114 CD 39928 2428 36 ; ; , 39928 2428 37 on on IN 39928 2428 38 infinities infinity NNS 39928 2428 39 , , , 39928 2428 40 136 136 CD 39928 2428 41 ; ; : 39928 2428 42 on on IN 39928 2428 43 star star NNP 39928 2428 44 - - HYPH 39928 2428 45 drift drift NNP 39928 2428 46 , , , 39928 2428 47 176 176 CD 39928 2428 48 ; ; : 39928 2428 49 on on IN 39928 2428 50 life life NN 39928 2428 51 under under IN 39928 2428 52 varied varied JJ 39928 2428 53 conditions condition NNS 39928 2428 54 , , , 39928 2428 55 271 271 CD 39928 2428 56 ; ; : 39928 2428 57 on on IN 39928 2428 58 infinity infinity NN 39928 2428 59 , , , 39928 2428 60 324 324 CD 39928 2428 61 . . . 39928 2429 1 Proctor proctor NN 39928 2429 2 's 's POS 39928 2429 3 _ _ NNP 39928 2429 4 Old Old NNP 39928 2429 5 and and CC 39928 2429 6 New New NNP 39928 2429 7 Astronomy Astronomy NNP 39928 2429 8 _ _ NNP 39928 2429 9 , , , 39928 2429 10 46 46 CD 39928 2429 11 ; ; : 39928 2429 12 chart chart NN 39928 2429 13 of of IN 39928 2429 14 stars star NNS 39928 2429 15 , , , 39928 2429 16 60 60 CD 39928 2429 17 . . . 39928 2430 1 Prominences prominence NNS 39928 2430 2 of of IN 39928 2430 3 sun sun NN 39928 2430 4 , , , 39928 2430 5 107 107 CD 39928 2430 6 . . . 39928 2431 1 Proteids proteid NNS 39928 2431 2 , , , 39928 2431 3 formation formation NN 39928 2431 4 of of IN 39928 2431 5 , , , 39928 2431 6 199 199 CD 39928 2431 7 ; ; : 39928 2431 8 Prof. Prof. NNP 39928 2431 9 Haliburton Haliburton NNP 39928 2431 10 on on IN 39928 2431 11 , , , 39928 2431 12 200 200 CD 39928 2431 13 . . . 39928 2432 1 Protoplasm protoplasm NN 39928 2432 2 , , , 39928 2432 3 complexity complexity NN 39928 2432 4 of of IN 39928 2432 5 , , , 39928 2432 6 194 194 CD 39928 2432 7 ; ; : 39928 2432 8 a a DT 39928 2432 9 mechanism mechanism NN 39928 2432 10 , , , 39928 2432 11 198 198 CD 39928 2432 12 ; ; : 39928 2432 13 sensibility sensibility NN 39928 2432 14 of of IN 39928 2432 15 , , , 39928 2432 16 to to TO 39928 2432 17 heat heat VB 39928 2432 18 , , , 39928 2432 19 208 208 CD 39928 2432 20 . . . 39928 2433 1 Ptolemaic ptolemaic NN 39928 2433 2 system system NN 39928 2433 3 of of IN 39928 2433 4 the the DT 39928 2433 5 heavens heavens NNPS 39928 2433 6 , , , 39928 2433 7 4 4 CD 39928 2433 8 . . . 39928 2434 1 Radial radial JJ 39928 2434 2 motion motion NN 39928 2434 3 , , , 39928 2434 4 35 35 CD 39928 2434 5 . . . 39928 2435 1 Radiation radiation NN 39928 2435 2 from from IN 39928 2435 3 stars star NNS 39928 2435 4 , , , 39928 2435 5 290 290 CD 39928 2435 6 . . . 39928 2436 1 Rain rain NN 39928 2436 2 in in IN 39928 2436 3 the the DT 39928 2436 4 Carboniferous carboniferous JJ 39928 2436 5 age age NN 39928 2436 6 , , , 39928 2436 7 225 225 CD 39928 2436 8 ; ; : 39928 2436 9 dependent dependent JJ 39928 2436 10 on on IN 39928 2436 11 dust dust NN 39928 2436 12 , , , 39928 2436 13 249 249 CD 39928 2436 14 . . . 39928 2437 1 Ramsay Ramsay NNP 39928 2437 2 , , , 39928 2437 3 Prof. Prof. NNP 39928 2437 4 , , , 39928 2437 5 on on IN 39928 2437 6 geological geological JJ 39928 2437 7 climates climate NNS 39928 2437 8 , , , 39928 2437 9 278 278 CD 39928 2437 10 . . . 39928 2438 1 Ranyard Ranyard NNP 39928 2438 2 , , , 39928 2438 3 on on IN 39928 2438 4 star star NN 39928 2438 5 - - HYPH 39928 2438 6 discs discs NNP 39928 2438 7 , , , 39928 2438 8 98 98 CD 39928 2438 9 ; ; : 39928 2438 10 on on IN 39928 2438 11 infinite infinite JJ 39928 2438 12 universe universe NN 39928 2438 13 , , , 39928 2438 14 137 137 CD 39928 2438 15 ; ; : 39928 2438 16 on on IN 39928 2438 17 mass mass NN 39928 2438 18 of of IN 39928 2438 19 Orion Orion NNP 39928 2438 20 nebula nebula NN 39928 2438 21 , , , 39928 2438 22 173 173 CD 39928 2438 23 . . . 39928 2439 1 Religious religious JJ 39928 2439 2 bearing bearing NN 39928 2439 3 of of IN 39928 2439 4 my -PRON- PRP$ 39928 2439 5 conclusions conclusion NNS 39928 2439 6 , , , 39928 2439 7 319 319 CD 39928 2439 8 . . . 39928 2440 1 Reproduction reproduction NN 39928 2440 2 , , , 39928 2440 3 marvel marvel NN 39928 2440 4 of of IN 39928 2440 5 , , , 39928 2440 6 201 201 CD 39928 2440 7 . . . 39928 2441 1 Reversing reverse VBG 39928 2441 2 layer layer NN 39928 2441 3 of of IN 39928 2441 4 sun sun NN 39928 2441 5 , , , 39928 2441 6 107 107 CD 39928 2441 7 . . . 39928 2442 1 Roberts Roberts NNP 39928 2442 2 , , , 39928 2442 3 A.W. A.W. NNP 39928 2442 4 , , , 39928 2442 5 on on IN 39928 2442 6 birth birth NN 39928 2442 7 of of IN 39928 2442 8 double double JJ 39928 2442 9 stars star NNS 39928 2442 10 , , , 39928 2442 11 123 123 CD 39928 2442 12 . . . 39928 2443 1 ---- ---- NFP 39928 2443 2 Dr. Dr. NNP 39928 2444 1 I. I. NNP 39928 2444 2 , , , 39928 2444 3 on on IN 39928 2444 4 limits limit NNS 39928 2444 5 of of IN 39928 2444 6 star star NN 39928 2444 7 - - HYPH 39928 2444 8 system system NN 39928 2444 9 , , , 39928 2444 10 148 148 CD 39928 2444 11 ; ; : 39928 2444 12 on on IN 39928 2444 13 spiral spiral JJ 39928 2444 14 nebulæ nebulæ NN 39928 2444 15 , , , 39928 2444 16 117 117 CD 39928 2444 17 ; ; : 39928 2444 18 on on IN 39928 2444 19 meteoritic meteoritic JJ 39928 2444 20 theory theory NN 39928 2444 21 , , , 39928 2444 22 119 119 CD 39928 2444 23 ; ; : 39928 2444 24 photographs photograph NNS 39928 2444 25 of of IN 39928 2444 26 nebulæ nebulæ NN 39928 2444 27 , , , 39928 2444 28 45 45 CD 39928 2444 29 , , , 39928 2444 30 174 174 CD 39928 2444 31 . . . 39928 2445 1 Roche Roche NNP 39928 2445 2 limit limit NN 39928 2445 3 explained explain VBD 39928 2445 4 , , , 39928 2445 5 120 120 CD 39928 2445 6 , , , 39928 2445 7 187 187 CD 39928 2445 8 . . . 39928 2446 1 Sanderson Sanderson NNP 39928 2446 2 , , , 39928 2446 3 Prof. Prof. NNP 39928 2446 4 Burdon Burdon NNP 39928 2446 5 , , , 39928 2446 6 on on IN 39928 2446 7 living living NN 39928 2446 8 matter matter NN 39928 2446 9 , , , 39928 2446 10 192 192 CD 39928 2446 11 . . . 39928 2447 1 Scientific scientific JJ 39928 2447 2 and and CC 39928 2447 3 agnostic agnostic JJ 39928 2447 4 opinion opinion NN 39928 2447 5 on on IN 39928 2447 6 my -PRON- PRP$ 39928 2447 7 conclusions conclusion NNS 39928 2447 8 , , , 39928 2447 9 318 318 CD 39928 2447 10 . . . 39928 2448 1 Secchi Secchi NNP 39928 2448 2 's 's POS 39928 2448 3 classification classification NN 39928 2448 4 of of IN 39928 2448 5 stars star NNS 39928 2448 6 , , , 39928 2448 7 33 33 CD 39928 2448 8 . . . 39928 2449 1 Single single JJ 39928 2449 2 stars star NNS 39928 2449 3 perhaps perhaps RB 39928 2449 4 rare rare JJ 39928 2449 5 , , , 39928 2449 6 128 128 CD 39928 2449 7 . . . 39928 2450 1 Solar solar JJ 39928 2450 2 apex apex NN 39928 2450 3 , , , 39928 2450 4 position position NN 39928 2450 5 of of IN 39928 2450 6 , , , 39928 2450 7 176 176 CD 39928 2450 8 . . . 39928 2451 1 Solar solar JJ 39928 2451 2 cluster cluster NN 39928 2451 3 , , , 39928 2451 4 the the DT 39928 2451 5 , , , 39928 2451 6 165 165 CD 39928 2451 7 ; ; : 39928 2451 8 diagram diagram NN 39928 2451 9 showing showing NN 39928 2451 10 , , , 39928 2451 11 300 300 CD 39928 2451 12 ; ; : 39928 2451 13 evidence evidence NN 39928 2451 14 for for IN 39928 2451 15 , , , 39928 2451 16 302 302 CD 39928 2451 17 ; ; : 39928 2451 18 importance importance NN 39928 2451 19 to to IN 39928 2451 20 us -PRON- PRP 39928 2451 21 , , , 39928 2451 22 306 306 CD 39928 2451 23 - - SYM 39928 2451 24 7 7 CD 39928 2451 25 , , , 39928 2451 26 312 312 CD 39928 2451 27 . . . 39928 2452 1 Solar solar JJ 39928 2452 2 system system NN 39928 2452 3 , , , 39928 2452 4 position position NN 39928 2452 5 of of IN 39928 2452 6 , , , 39928 2452 7 304 304 CD 39928 2452 8 . . . 39928 2453 1 Sorby sorby NN 39928 2453 2 on on IN 39928 2453 3 constitution constitution NN 39928 2453 4 of of IN 39928 2453 5 meteorites meteorite NNS 39928 2453 6 , , , 39928 2453 7 186 186 CD 39928 2453 8 . . . 39928 2454 1 Spectra Spectra NNP 39928 2454 2 , , , 39928 2454 3 varieties variety NNS 39928 2454 4 of of IN 39928 2454 5 , , , 39928 2454 6 34 34 CD 39928 2454 7 ; ; : 39928 2454 8 of of IN 39928 2454 9 elements element NNS 39928 2454 10 , , , 39928 2454 11 changes change NNS 39928 2454 12 in in IN 39928 2454 13 , , , 39928 2454 14 129 129 CD 39928 2454 15 . . . 39928 2455 1 Spectroscopic spectroscopic JJ 39928 2455 2 binaries binary NNS 39928 2455 3 , , , 39928 2455 4 abundance abundance NN 39928 2455 5 of of IN 39928 2455 6 , , , 39928 2455 7 125 125 CD 39928 2455 8 ; ; : 39928 2455 9 great great JJ 39928 2455 10 numbers number NNS 39928 2455 11 of of IN 39928 2455 12 , , , 39928 2455 13 286 286 CD 39928 2455 14 . . . 39928 2456 1 Spectrum Spectrum NNP 39928 2456 2 analysis analysis NN 39928 2456 3 , , , 39928 2456 4 discovery discovery NN 39928 2456 5 of of IN 39928 2456 6 , , , 39928 2456 7 26 26 CD 39928 2456 8 . . . 39928 2457 1 Spencer Spencer NNP 39928 2457 2 , , , 39928 2457 3 H. H. NNP 39928 2457 4 , , , 39928 2457 5 on on IN 39928 2457 6 status status NN 39928 2457 7 of of IN 39928 2457 8 nebulæ nebulæ NN 39928 2457 9 , , , 39928 2457 10 102 102 CD 39928 2457 11 . . . 39928 2458 1 Spiral spiral JJ 39928 2458 2 nebulæ nebulæ NN 39928 2458 3 , , , 39928 2458 4 origin origin NN 39928 2458 5 of of IN 39928 2458 6 , , , 39928 2458 7 120 120 CD 39928 2458 8 . . . 39928 2459 1 Stars star NNS 39928 2459 2 , , , 39928 2459 3 proved prove VBD 39928 2459 4 to to TO 39928 2459 5 be be VB 39928 2459 6 suns sun NNS 39928 2459 7 , , , 39928 2459 8 32 32 CD 39928 2459 9 ; ; : 39928 2459 10 invisible invisible JJ 39928 2459 11 , , , 39928 2459 12 39 39 CD 39928 2459 13 ; ; : 39928 2459 14 classification classification NN 39928 2459 15 of of IN 39928 2459 16 , , , 39928 2459 17 33 33 CD 39928 2459 18 ; ; : 39928 2459 19 spectroscopic spectroscopic NNP 39928 2459 20 double double JJ 39928 2459 21 , , , 39928 2459 22 42 42 CD 39928 2459 23 ; ; : 39928 2459 24 distribution distribution NN 39928 2459 25 of of IN 39928 2459 26 the the DT 39928 2459 27 , , , 39928 2459 28 47 47 CD 39928 2459 29 ; ; : 39928 2459 30 number number NN 39928 2459 31 of of IN 39928 2459 32 visible visible JJ 39928 2459 33 , , , 39928 2459 34 48 48 CD 39928 2459 35 ; ; : 39928 2459 36 description description NN 39928 2459 37 of of IN 39928 2459 38 Milky Milky NNP 39928 2459 39 Way Way NNP 39928 2459 40 , , , 39928 2459 41 52 52 CD 39928 2459 42 ; ; : 39928 2459 43 in in IN 39928 2459 44 relation relation NN 39928 2459 45 to to IN 39928 2459 46 Milky Milky NNP 39928 2459 47 Way Way NNP 39928 2459 48 , , , 39928 2459 49 59 59 CD 39928 2459 50 ; ; : 39928 2459 51 distances distance NNS 39928 2459 52 of of IN 39928 2459 53 , , , 39928 2459 54 74 74 CD 39928 2459 55 ; ; : 39928 2459 56 measurement measurement NN 39928 2459 57 of of IN 39928 2459 58 distance distance NN 39928 2459 59 of of IN 39928 2459 60 , , , 39928 2459 61 85 85 CD 39928 2459 62 ; ; : 39928 2459 63 mass mass NN 39928 2459 64 of of IN 39928 2459 65 binary binary NN 39928 2459 66 , , , 39928 2459 67 97 97 CD 39928 2459 68 ; ; : 39928 2459 69 evolution evolution NN 39928 2459 70 of of IN 39928 2459 71 double double JJ 39928 2459 72 , , , 39928 2459 73 122 122 CD 39928 2459 74 ; ; : 39928 2459 75 spectroscopic spectroscopic NNP 39928 2459 76 double double JJ 39928 2459 77 , , , 39928 2459 78 123 123 CD 39928 2459 79 ; ; : 39928 2459 80 clusters cluster NNS 39928 2459 81 of of IN 39928 2459 82 , , , 39928 2459 83 125 125 CD 39928 2459 84 ; ; : 39928 2459 85 evolution evolution NN 39928 2459 86 of of IN 39928 2459 87 the the DT 39928 2459 88 , , , 39928 2459 89 128 128 CD 39928 2459 90 ; ; : 39928 2459 91 classification classification NN 39928 2459 92 of of IN 39928 2459 93 , , , 39928 2459 94 130 130 CD 39928 2459 95 ; ; : 39928 2459 96 the the DT 39928 2459 97 hottest hot JJS 39928 2459 98 , , , 39928 2459 99 131 131 CD 39928 2459 100 ; ; : 39928 2459 101 when when WRB 39928 2459 102 cooling cool VBG 39928 2459 103 give give VBP 39928 2459 104 more more JJR 39928 2459 105 heat heat NN 39928 2459 106 , , , 39928 2459 107 132 132 CD 39928 2459 108 ; ; : 39928 2459 109 cycle cycle NN 39928 2459 110 of of IN 39928 2459 111 evolution evolution NN 39928 2459 112 and and CC 39928 2459 113 decay decay NN 39928 2459 114 , , , 39928 2459 115 133 133 CD 39928 2459 116 ; ; : 39928 2459 117 supposed suppose VBD 39928 2459 118 infinite infinite JJ 39928 2459 119 number number NN 39928 2459 120 of of IN 39928 2459 121 , , , 39928 2459 122 135 135 CD 39928 2459 123 ; ; : 39928 2459 124 not not RB 39928 2459 125 infinite infinite JJ 39928 2459 126 , , , 39928 2459 127 138 138 CD 39928 2459 128 ; ; : 39928 2459 129 law law NN 39928 2459 130 of of IN 39928 2459 131 diminishing diminish VBG 39928 2459 132 numbers number NNS 39928 2459 133 of of IN 39928 2459 134 , , , 39928 2459 135 149 149 CD 39928 2459 136 ; ; : 39928 2459 137 systematic systematic JJ 39928 2459 138 motions motion NNS 39928 2459 139 of of IN 39928 2459 140 , , , 39928 2459 141 178 178 CD 39928 2459 142 ; ; : 39928 2459 143 in in IN 39928 2459 144 relation relation NN 39928 2459 145 to to IN 39928 2459 146 life life NN 39928 2459 147 , , , 39928 2459 148 282 282 CD 39928 2459 149 , , , 39928 2459 150 287 287 CD 39928 2459 151 ; ; , 39928 2459 152 possible possible JJ 39928 2459 153 use use NN 39928 2459 154 of of IN 39928 2459 155 their -PRON- PRP$ 39928 2459 156 emanations emanation NNS 39928 2459 157 , , , 39928 2459 158 289 289 CD 39928 2459 159 . . . 39928 2460 1 Star Star NNP 39928 2460 2 - - HYPH 39928 2460 3 clusters cluster NNS 39928 2460 4 and and CC 39928 2460 5 variables variable NNS 39928 2460 6 , , , 39928 2460 7 127 127 CD 39928 2460 8 . . . 39928 2461 1 Star star NN 39928 2461 2 - - HYPH 39928 2461 3 density density NN 39928 2461 4 , , , 39928 2461 5 diagram diagram NN 39928 2461 6 of of IN 39928 2461 7 , , , 39928 2461 8 66 66 CD 39928 2461 9 . . . 39928 2462 1 Star Star NNP 39928 2462 2 - - HYPH 39928 2462 3 drift drift NNP 39928 2462 4 , , , 39928 2462 5 Proctor Proctor NNP 39928 2462 6 on on RB 39928 2462 7 , , , 39928 2462 8 176 176 CD 39928 2462 9 . . . 39928 2463 1 Starlight starlight UH 39928 2463 2 , , , 39928 2463 3 electrical electrical JJ 39928 2463 4 measure measure NN 39928 2463 5 of of IN 39928 2463 6 , , , 39928 2463 7 290 290 CD 39928 2463 8 ; ; , 39928 2463 9 possible possible JJ 39928 2463 10 uses use NNS 39928 2463 11 of of IN 39928 2463 12 , , , 39928 2463 13 292 292 CD 39928 2463 14 . . . 39928 2464 1 Star star NN 39928 2464 2 - - HYPH 39928 2464 3 motions motion NNS 39928 2464 4 , , , 39928 2464 5 Prof. Prof. NNP 39928 2464 6 Newcomb Newcomb NNP 39928 2464 7 on on RP 39928 2464 8 , , , 39928 2464 9 297 297 CD 39928 2464 10 . . . 39928 2465 1 Star star NN 39928 2465 2 - - HYPH 39928 2465 3 system system NN 39928 2465 4 , , , 39928 2465 5 limited limited JJ 39928 2465 6 , , , 39928 2465 7 145 145 CD 39928 2465 8 ; ; : 39928 2465 9 stability stability NN 39928 2465 10 of of IN 39928 2465 11 , , , 39928 2465 12 295 295 CD 39928 2465 13 ; ; : 39928 2465 14 supposed suppose VBN 39928 2465 15 primitive primitive JJ 39928 2465 16 form form NN 39928 2465 17 of of IN 39928 2465 18 , , , 39928 2465 19 297 297 CD 39928 2465 20 . . . 39928 2466 1 Stellar stellar JJ 39928 2466 2 motion motion NN 39928 2466 3 , , , 39928 2466 4 Luigi Luigi NNP 39928 2466 5 d'Auria d'Auria NNP 39928 2466 6 on on IN 39928 2466 7 , , , 39928 2466 8 306 306 CD 39928 2466 9 . . . 39928 2467 1 ---- ---- NFP 39928 2467 2 universe universe NNP 39928 2467 3 , , , 39928 2467 4 shape shape NN 39928 2467 5 of of IN 39928 2467 6 , , , 39928 2467 7 49 49 CD 39928 2467 8 ; ; : 39928 2467 9 unity unity NN 39928 2467 10 of of IN 39928 2467 11 , , , 39928 2467 12 100 100 CD 39928 2467 13 ; ; : 39928 2467 14 evolution evolution NN 39928 2467 15 of of IN 39928 2467 16 , , , 39928 2467 17 103 103 CD 39928 2467 18 ; ; : 39928 2467 19 diagrams diagram NNS 39928 2467 20 of of IN 39928 2467 21 , , , 39928 2467 22 300 300 CD 39928 2467 23 . . . 39928 2468 1 Stoney stoney NN 39928 2468 2 , , , 39928 2468 3 Dr. Dr. NNP 39928 2468 4 , , , 39928 2468 5 on on IN 39928 2468 6 atmospheres atmosphere NNS 39928 2468 7 and and CC 39928 2468 8 gravity gravity NN 39928 2468 9 , , , 39928 2468 10 263 263 CD 39928 2468 11 . . . 39928 2469 1 Sun Sun NNP 39928 2469 2 , , , 39928 2469 3 a a DT 39928 2469 4 typical typical JJ 39928 2469 5 star star NN 39928 2469 6 , , , 39928 2469 7 104 104 CD 39928 2469 8 ; ; : 39928 2469 9 brightness brightness NN 39928 2469 10 of of IN 39928 2469 11 , , , 39928 2469 12 104 104 CD 39928 2469 13 ; ; : 39928 2469 14 heat heat NN 39928 2469 15 of of IN 39928 2469 16 , , , 39928 2469 17 104 104 CD 39928 2469 18 ; ; : 39928 2469 19 surface surface NN 39928 2469 20 of of IN 39928 2469 21 , , , 39928 2469 22 105 105 CD 39928 2469 23 ; ; : 39928 2469 24 surroundings surrounding NNS 39928 2469 25 of of IN 39928 2469 26 , , , 39928 2469 27 106 106 CD 39928 2469 28 - - SYM 39928 2469 29 110 110 CD 39928 2469 30 ; ; : 39928 2469 31 corona corona NN 39928 2469 32 of of IN 39928 2469 33 , , , 39928 2469 34 108 108 CD 39928 2469 35 ; ; : 39928 2469 36 colour colour NN 39928 2469 37 of of IN 39928 2469 38 , , , 39928 2469 39 111 111 CD 39928 2469 40 ; ; : 39928 2469 41 elements element NNS 39928 2469 42 in in IN 39928 2469 43 , , , 39928 2469 44 184 184 CD 39928 2469 45 . . . 39928 2470 1 Sun Sun NNP 39928 2470 2 's 's POS 39928 2470 3 distance distance NN 39928 2470 4 , , , 39928 2470 5 measure measure NN 39928 2470 6 of of IN 39928 2470 7 , , , 39928 2470 8 76 76 CD 39928 2470 9 . . . 39928 2471 1 ---- ---- NFP 39928 2471 2 heat heat NN 39928 2471 3 , , , 39928 2471 4 supposed suppose VBD 39928 2471 5 limits limit NNS 39928 2471 6 of of IN 39928 2471 7 , , , 39928 2471 8 275 275 CD 39928 2471 9 . . . 39928 2472 1 ---- ---- NFP 39928 2472 2 life life NN 39928 2472 3 , , , 39928 2472 4 all all DT 39928 2472 5 required require VBN 39928 2472 6 to to TO 39928 2472 7 develop develop VB 39928 2472 8 earth earth NN 39928 2472 9 - - HYPH 39928 2472 10 life life NN 39928 2472 11 , , , 39928 2472 12 280 280 CD 39928 2472 13 . . . 39928 2473 1 ---- ---- NFP 39928 2473 2 motion motion NN 39928 2473 3 through through IN 39928 2473 4 space space NN 39928 2473 5 , , , 39928 2473 6 91 91 CD 39928 2473 7 , , , 39928 2473 8 169 169 CD 39928 2473 9 . . . 39928 2474 1 ---- ---- NFP 39928 2474 2 ---- ---- NFP 39928 2474 3 uncertain uncertain JJ 39928 2474 4 , , , 39928 2474 5 177 177 CD 39928 2474 6 . . . 39928 2475 1 Sun Sun NNP 39928 2475 2 - - HYPH 39928 2475 3 spots spot NNS 39928 2475 4 , , , 39928 2475 5 nature nature NN 39928 2475 6 of of IN 39928 2475 7 , , , 39928 2475 8 105 105 CD 39928 2475 9 . . . 39928 2476 1 Symmetry symmetry NN 39928 2476 2 of of IN 39928 2476 3 oceans ocean NNS 39928 2476 4 , , , 39928 2476 5 cause cause NN 39928 2476 6 of of IN 39928 2476 7 , , , 39928 2476 8 238 238 CD 39928 2476 9 . . . 39928 2477 1 Temperature temperature NN 39928 2477 2 , , , 39928 2477 3 essential essential JJ 39928 2477 4 for for IN 39928 2477 5 life life NN 39928 2477 6 , , , 39928 2477 7 206 206 CD 39928 2477 8 ; ; : 39928 2477 9 equalised equalise VBN 39928 2477 10 by by IN 39928 2477 11 water water NN 39928 2477 12 , , , 39928 2477 13 239 239 CD 39928 2477 14 ; ; : 39928 2477 15 as as IN 39928 2477 16 regards regard VBZ 39928 2477 17 life life NN 39928 2477 18 on on IN 39928 2477 19 planets planet NNS 39928 2477 20 , , , 39928 2477 21 267 267 CD 39928 2477 22 . . . 39928 2478 1 Tennyson Tennyson NNP 39928 2478 2 on on IN 39928 2478 3 man man NN 39928 2478 4 and and CC 39928 2478 5 the the DT 39928 2478 6 universe universe NN 39928 2478 7 , , , 39928 2478 8 325 325 CD 39928 2478 9 . . . 39928 2479 1 Uniformity uniformity NN 39928 2479 2 of of IN 39928 2479 3 matter matter NN 39928 2479 4 , , , 39928 2479 5 183 183 CD 39928 2479 6 . . . 39928 2480 1 Unity unity NN 39928 2480 2 of of IN 39928 2480 3 stellar stellar JJ 39928 2480 4 universe universe NN 39928 2480 5 , , , 39928 2480 6 100 100 CD 39928 2480 7 . . . 39928 2481 1 Universe Universe NNP 39928 2481 2 of of IN 39928 2481 3 stars star NNS 39928 2481 4 , , , 39928 2481 5 how how WRB 39928 2481 6 its -PRON- PRP$ 39928 2481 7 form form NN 39928 2481 8 has have VBZ 39928 2481 9 affected affect VBN 39928 2481 10 our -PRON- PRP$ 39928 2481 11 sun sun NN 39928 2481 12 and and CC 39928 2481 13 earth earth NN 39928 2481 14 , , , 39928 2481 15 308 308 CD 39928 2481 16 . . . 39928 2482 1 Universe Universe NNP 39928 2482 2 not not RB 39928 2482 3 disproportionate disproportionate JJ 39928 2482 4 if if IN 39928 2482 5 man man NN 39928 2482 6 is be VBZ 39928 2482 7 its -PRON- PRP$ 39928 2482 8 sole sole JJ 39928 2482 9 product product NN 39928 2482 10 , , , 39928 2482 11 320 320 CD 39928 2482 12 . . . 39928 2483 1 VENUS VENUS NNP 39928 2483 2 , , , 39928 2483 3 radial radial JJ 39928 2483 4 motions motion NNS 39928 2483 5 of of IN 39928 2483 6 , , , 39928 2483 7 38 38 CD 39928 2483 8 ; ; : 39928 2483 9 diagram diagram NN 39928 2483 10 of of IN 39928 2483 11 transit transit NN 39928 2483 12 of of IN 39928 2483 13 , , , 39928 2483 14 77 77 CD 39928 2483 15 ; ; : 39928 2483 16 life life NN 39928 2483 17 barely barely RB 39928 2483 18 possible possible JJ 39928 2483 19 on on RB 39928 2483 20 , , , 39928 2483 21 266 266 CD 39928 2483 22 ; ; : 39928 2483 23 adverse adverse JJ 39928 2483 24 climatic climatic JJ 39928 2483 25 conditions condition NNS 39928 2483 26 of of IN 39928 2483 27 , , , 39928 2483 28 268 268 CD 39928 2483 29 . . . 39928 2484 1 WATER water NN 39928 2484 2 , , , 39928 2484 3 an an DT 39928 2484 4 essential essential JJ 39928 2484 5 for for IN 39928 2484 6 life life NN 39928 2484 7 , , , 39928 2484 8 210 210 CD 39928 2484 9 ; ; : 39928 2484 10 its -PRON- PRP$ 39928 2484 11 amount amount NN 39928 2484 12 and and CC 39928 2484 13 distribution distribution NN 39928 2484 14 , , , 39928 2484 15 227 227 CD 39928 2484 16 ; ; : 39928 2484 17 an an DT 39928 2484 18 equaliser equaliser NN 39928 2484 19 of of IN 39928 2484 20 temperature temperature NN 39928 2484 21 , , , 39928 2484 22 239 239 CD 39928 2484 23 . . . 39928 2485 1 Wave wave VB 39928 2485 2 - - HYPH 39928 2485 3 lengths length NNS 39928 2485 4 , , , 39928 2485 5 how how WRB 39928 2485 6 measured measure VBN 39928 2485 7 , , , 39928 2485 8 31 31 CD 39928 2485 9 . . . 39928 2486 1 Whewell Whewell NNP 39928 2486 2 , , , 39928 2486 3 on on IN 39928 2486 4 plurality plurality NN 39928 2486 5 of of IN 39928 2486 6 worlds world NNS 39928 2486 7 , , , 39928 2486 8 8 8 CD 39928 2486 9 , , , 39928 2486 10 15 15 CD 39928 2486 11 ; ; : 39928 2486 12 on on IN 39928 2486 13 man man NN 39928 2486 14 as as IN 39928 2486 15 the the DT 39928 2486 16 highest high JJS 39928 2486 17 product product NN 39928 2486 18 of of IN 39928 2486 19 the the DT 39928 2486 20 universe universe NN 39928 2486 21 , , , 39928 2486 22 14 14 CD 39928 2486 23 . . . 39928 2487 1 Whittaker Whittaker NNP 39928 2487 2 , , , 39928 2487 3 Mr. Mr. NNP 39928 2488 1 E.T. E.T. NNP 39928 2488 2 , , , 39928 2488 3 on on IN 39928 2488 4 gravitative gravitative NNP 39928 2488 5 and and CC 39928 2488 6 electro electro NNP 39928 2488 7 - - HYPH 39928 2488 8 dynamical dynamical JJ 39928 2488 9 forces force NNS 39928 2488 10 , , , 39928 2488 11 296 296 CD 39928 2488 12 . . . 39928 2489 1 Winds wind NNS 39928 2489 2 , , , 39928 2489 3 importance importance NN 39928 2489 4 of of IN 39928 2489 5 , , , 39928 2489 6 to to IN 39928 2489 7 life life NN 39928 2489 8 , , , 39928 2489 9 246 246 CD 39928 2489 10 . . . 39928 2490 1 ZODIACAL ZODIACAL NNP 39928 2490 2 light light NN 39928 2490 3 , , , 39928 2490 4 109 109 CD 39928 2490 5 . . . 39928 2491 1 Printed print VBN 39928 2491 2 by by IN 39928 2491 3 T. t. NN 39928 2491 4 and and CC 39928 2491 5 A. A. NNP 39928 2491 6 CONSTABLE CONSTABLE NNP 39928 2491 7 , , , 39928 2491 8 Printers Printers NNPS 39928 2491 9 to to IN 39928 2491 10 His -PRON- PRP$ 39928 2491 11 Majesty Majesty NNP 39928 2491 12 , , , 39928 2491 13 at at IN 39928 2491 14 the the DT 39928 2491 15 Edinburgh Edinburgh NNP 39928 2491 16 University University NNP 39928 2491 17 Press Press NNP 39928 2491 18 [ [ -LRB- 39928 2491 19 Illustration illustration NN 39928 2491 20 : : : 39928 2491 21 THE THE NNP 39928 2491 22 NEBULÆ NEBULÆ NNP 39928 2491 23 AND and CC 39928 2491 24 CLUSTERS cluster NNS 39928 2491 25 OF of IN 39928 2491 26 THE the DT 39928 2491 27 NORTHERN NORTHERN NNP 39928 2491 28 HEAVENS HEAVENS NNP 39928 2491 29 . . . 39928 2492 1 Drawn draw VBN 39928 2492 2 upon upon IN 39928 2492 3 an an DT 39928 2492 4 equal equal JJ 39928 2492 5 surface surface NN 39928 2492 6 projection projection NN 39928 2492 7 from from IN 39928 2492 8 Dr. Dr. NNP 39928 2492 9 DREYER DREYER NNP 39928 2492 10 'S 'S NNP 39928 2492 11 catalogue catalogue NN 39928 2492 12 of of IN 39928 2492 13 1888 1888 CD 39928 2492 14 The the DT 39928 2492 15 Milky Milky NNP 39928 2492 16 Way Way NNP 39928 2492 17 from from IN 39928 2492 18 a a DT 39928 2492 19 Dr. Dr. NNP 39928 2492 20 BOEDDICKER BOEDDICKER NNP 39928 2492 21 'S 'S NNP 39928 2492 22 Drawing drawing NN 39928 2492 23 by by IN 39928 2492 24 SIDNEY SIDNEY NNP 39928 2492 25 WATERS WATERS NNPS 39928 2492 26 ] ] -RRB- 39928 2492 27 [ [ -LRB- 39928 2492 28 Illustration illustration NN 39928 2492 29 : : : 39928 2492 30 THE THE NNP 39928 2492 31 NEBULÆ NEBULÆ NNP 39928 2492 32 AND and CC 39928 2492 33 CLUSTERS cluster NNS 39928 2492 34 OF of IN 39928 2492 35 THE the DT 39928 2492 36 SOUTHERN southern JJ 39928 2492 37 HEAVENS HEAVENS NNP 39928 2492 38 . . . 39928 2493 1 Drawn draw VBN 39928 2493 2 upon upon IN 39928 2493 3 an an DT 39928 2493 4 equal equal JJ 39928 2493 5 surface surface NN 39928 2493 6 projection projection NN 39928 2493 7 from from IN 39928 2493 8 Dr. Dr. NNP 39928 2493 9 DREYER DREYER NNP 39928 2493 10 'S 'S NNP 39928 2493 11 catalogue catalogue NN 39928 2493 12 of of IN 39928 2493 13 1888 1888 CD 39928 2493 14 The the DT 39928 2493 15 Milky Milky NNP 39928 2493 16 Way Way NNP 39928 2493 17 from from IN 39928 2493 18 URANOMETRIA uranometria JJ 39928 2493 19 ARGENTINA argentina NN 39928 2493 20 by by IN 39928 2493 21 SIDNEY SIDNEY NNP 39928 2493 22 WATERS WATERS NNP 39928 2493 23 ] ] -RRB- 39928 2493 24 _ _ NNP 39928 2493 25 WORKS WORKS NNP 39928 2493 26 BY by IN 39928 2493 27 THE the DT 39928 2493 28 SAME SAME NNP 39928 2493 29 AUTHOR AUTHOR NNP 39928 2493 30 . . . 39928 2493 31 _ _ NNP 39928 2493 32 TRAVELS travel NNS 39928 2493 33 ON on IN 39928 2493 34 THE the DT 39928 2493 35 AMAZON AMAZON NNP 39928 2493 36 AND and CC 39928 2493 37 RIO RIO NNP 39928 2493 38 - - HYPH 39928 2493 39 NEGRO NEGRO NNP 39928 2493 40 . . . 39928 2494 1 PALM palm NN 39928 2494 2 - - HYPH 39928 2494 3 TREES trees NN 39928 2494 4 OF of IN 39928 2494 5 THE the DT 39928 2494 6 AMAZON amazon NN 39928 2494 7 , , , 39928 2494 8 AND and CC 39928 2494 9 THEIR their NN 39928 2494 10 USES use NNS 39928 2494 11 ( ( -LRB- 39928 2494 12 _ _ NNP 39928 2494 13 out out IN 39928 2494 14 of of IN 39928 2494 15 print print NN 39928 2494 16 _ _ NNP 39928 2494 17 ) ) -RRB- 39928 2494 18 . . . 39928 2495 1 THE the DT 39928 2495 2 MALAY MALAY NNP 39928 2495 3 ARCHIPELAGO ARCHIPELAGO NNP 39928 2495 4 . . . 39928 2496 1 NATURAL natural JJ 39928 2496 2 SELECTION SELECTION NNP 39928 2496 3 AND and CC 39928 2496 4 TROPICAL TROPICAL NNP 39928 2496 5 NATURE NATURE NNP 39928 2496 6 . . . 39928 2497 1 THE the DT 39928 2497 2 GEOGRAPHICAL geographical NN 39928 2497 3 DISTRIBUTION distribution NN 39928 2497 4 OF of IN 39928 2497 5 ANIMALS animal NNS 39928 2497 6 . . . 39928 2498 1 _ _ NNP 39928 2498 2 2 2 CD 39928 2498 3 vols vol NNS 39928 2498 4 . . . 39928 2498 5 _ _ NNP 39928 2498 6 ISLAND ISLAND NNP 39928 2498 7 LIFE LIFE NNP 39928 2498 8 , , , 39928 2498 9 OR or CC 39928 2498 10 INSULAR INSULAR NNP 39928 2498 11 FAUNAS FAUNAS NNP 39928 2498 12 AND and CC 39928 2498 13 FLORAS floras NN 39928 2498 14 . . . 39928 2499 1 DARWINISM DARWINISM NNP 39928 2499 2 . . . 39928 2500 1 AUSTRALASIA AUSTRALASIA NNP 39928 2500 2 . . . 39928 2501 1 _ _ NNP 39928 2501 2 2 2 CD 39928 2501 3 vols vol NNS 39928 2501 4 . . . 39928 2501 5 _ _ NNP 39928 2501 6 BAD BAD NNP 39928 2501 7 TIMES times NN 39928 2501 8 -- -- : 39928 2501 9 CAUSES cause NNS 39928 2501 10 OF of IN 39928 2501 11 DEPRESSION DEPRESSION NNP 39928 2501 12 OF of IN 39928 2501 13 TRADE TRADE NNP 39928 2501 14 ( ( -LRB- 39928 2501 15 _ _ NNP 39928 2501 16 out out IN 39928 2501 17 of of IN 39928 2501 18 print print NN 39928 2501 19 _ _ NNP 39928 2501 20 ) ) -RRB- 39928 2501 21 . . . 39928 2502 1 LAND LAND NNP 39928 2502 2 NATIONALISATION NATIONALISATION NNP 39928 2502 3 , , , 39928 2502 4 ITS its PRP$ 39928 2502 5 NECESSITY NECESSITY NNP 39928 2502 6 AND and CC 39928 2502 7 ITS its PRP$ 39928 2502 8 AIMS aim NNS 39928 2502 9 . . . 39928 2503 1 VACCINATION VACCINATION NNP 39928 2503 2 A a DT 39928 2503 3 DELUSION delusion NN 39928 2503 4 . . . 39928 2504 1 MIRACLES miracles NN 39928 2504 2 AND and CC 39928 2504 3 MODERN MODERN NNS 39928 2504 4 SPIRITUALISM SPIRITUALISM NNP 39928 2504 5 . . . 39928 2505 1 THE the DT 39928 2505 2 WONDERFUL WONDERFUL NNP 39928 2505 3 CENTURY CENTURY NNP 39928 2505 4 ( ( -LRB- 39928 2505 5 _ _ NNP 39928 2505 6 New New NNP 39928 2505 7 and and CC 39928 2505 8 Illustrated Illustrated NNP 39928 2505 9 Edition Edition NNP 39928 2505 10 _ _ NNP 39928 2505 11 ) ) -RRB- 39928 2505 12 . . . 39928 2506 1 THE the DT 39928 2506 2 WONDERFUL WONDERFUL NNP 39928 2506 3 CENTURY century NN 39928 2506 4 READER READER NNP 39928 2506 5 . . . 39928 2507 1 STUDIES study NNS 39928 2507 2 SCIENTIFIC SCIENTIFIC NNP 39928 2507 3 AND and CC 39928 2507 4 SOCIAL SOCIAL NNP 39928 2507 5 . . . 39928 2508 1 * * NFP 39928 2508 2 * * NFP 39928 2508 3 * * NFP 39928 2508 4 * * NFP 39928 2508 5 * * NFP 39928 2508 6 Transcriber Transcriber NNP 39928 2508 7 's 's POS 39928 2508 8 Notes note NNS 39928 2508 9 : : : 39928 2508 10 Obvious obvious JJ 39928 2508 11 punctuation punctuation NN 39928 2508 12 and and CC 39928 2508 13 spelling spelling NN 39928 2508 14 errors error NNS 39928 2508 15 repaired repair VBD 39928 2508 16 . . . 39928 2509 1 Inconsistent inconsistent JJ 39928 2509 2 hyphenation hyphenation NN 39928 2509 3 has have VBZ 39928 2509 4 been be VBN 39928 2509 5 repaired repair VBN 39928 2509 6 . . . 39928 2510 1 The the DT 39928 2510 2 oe oe NN 39928 2510 3 and and CC 39928 2510 4 ae ae NNP 39928 2510 5 ligatures ligature NNS 39928 2510 6 in in IN 39928 2510 7 the the DT 39928 2510 8 text text NN 39928 2510 9 has have VBZ 39928 2510 10 been be VBN 39928 2510 11 left leave VBN 39928 2510 12 as as IN 39928 2510 13 it -PRON- PRP 39928 2510 14 appears appear VBZ 39928 2510 15 in in IN 39928 2510 16 the the DT 39928 2510 17 original original JJ 39928 2510 18 book book NN 39928 2510 19 . . . 39928 2511 1 Italic italic JJ 39928 2511 2 text text NN 39928 2511 3 is be VBZ 39928 2511 4 denoted denote VBN 39928 2511 5 by by IN 39928 2511 6 _ _ NNP 39928 2511 7 underscores underscore VBZ 39928 2511 8 _ _ NNP 39928 2511 9 and and CC 39928 2511 10 bold bold JJ 39928 2511 11 text text NN 39928 2511 12 by by IN 39928 2511 13 = = SYM 39928 2511 14 equal equal JJ 39928 2511 15 signs=. signs=. NN 39928 2512 1 In in IN 39928 2512 2 ambiguous ambiguous JJ 39928 2512 3 cases case NNS 39928 2512 4 , , , 39928 2512 5 the the DT 39928 2512 6 text text NN 39928 2512 7 has have VBZ 39928 2512 8 been be VBN 39928 2512 9 left leave VBN 39928 2512 10 as as IN 39928 2512 11 it -PRON- PRP 39928 2512 12 appears appear VBZ 39928 2512 13 in in IN 39928 2512 14 the the DT 39928 2512 15 original original JJ 39928 2512 16 book book NN 39928 2512 17 . . . 39928 2513 1 In in IN 39928 2513 2 particular particular JJ 39928 2513 3 , , , 39928 2513 4 many many JJ 39928 2513 5 mismatched mismatch VBN 39928 2513 6 quotation quotation NN 39928 2513 7 marks mark NNS 39928 2513 8 have have VBP 39928 2513 9 not not RB 39928 2513 10 been be VBN 39928 2513 11 changed change VBN 39928 2513 12 . . . 39928 2514 1 The the DT 39928 2514 2 remaining remain VBG 39928 2514 3 corrections correction NNS 39928 2514 4 made make VBN 39928 2514 5 : : : 39928 2514 6 Page page NN 39928 2514 7 v v NN 39928 2514 8 , , , 39928 2514 9 " " `` 39928 2514 10 Fort Fort NNP 39928 2514 11 - - HYPH 39928 2514 12 nightly nightly NNP 39928 2514 13 " " '' 39928 2514 14 changed change VBD 39928 2514 15 to to IN 39928 2514 16 " " `` 39928 2514 17 Fortnightly fortnightly RB 39928 2514 18 " " '' 39928 2514 19 . . . 39928 2515 1 Page page NN 39928 2515 2 106 106 CD 39928 2515 3 , , , 39928 2515 4 " " `` 39928 2515 5 terrestial terrestial JJ 39928 2515 6 " " '' 39928 2515 7 changed change VBD 39928 2515 8 to to IN 39928 2515 9 " " `` 39928 2515 10 terrestrial terrestrial JJ 39928 2515 11 " " '' 39928 2515 12 . . .