id author title date pages extension mime words sentences flesch summary cache txt work_5mklkx74kfbjnmlnuv476crjke Michael Hoskin Astronomy in Ancient Greece 1983 13 .pdf application/pdf 14951 7788 106 Copernicus's claim that the Earth is a planet. dynamical astronomy within which each planet would orbit the Sun in a in the Greek tradition; yet his claim that the Earth is a planet This, in brief, is why Greek astronomy is fundamentally important in the whole history of science. The basic aim of Copernicus's De revolutionibus is to use combinations of uniform circular motions to provide geometrical constructions on the part of the early Greeks that the universe is a cosmos set the Mainstream Greek astronomy, then, accepted a spherical Earth at observational appearances go we can interchange the Sun and the Earth, How the fact that the true orbit of the Sun around the Earth is an with circles and circular motions that were not centred on the Earth; Ptolemy's achievement in creating for each planet a geometrical distances from Earth of the Sun and the Moon; and further information ./cache/work_5mklkx74kfbjnmlnuv476crjke.pdf ./txt/work_5mklkx74kfbjnmlnuv476crjke.txt