id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
10855	Wallace, Alfred Russel	Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation			.txt	text/plain	26049	1023	60	Percival Lowell's book, _Mars and its Canals_, with the object of lines on Mars are on the solid surface of the planet. existence of water-vapour in the atmosphere of Mars, but of late years Temperature of Mars_, by Professor Percival Lowell; and in this paper, _Mr. Lowell's Mode of Estimating the Surface-temperature of Mars._ assume identity of atmospheric conditions of Mars and the Earth. heat actually received by Mars and the Earth, dependent on their very sun-heat that Mars receives reaches the surface and determines its surface temperature, he reaches the final result that the actual heating power at the surface of Mars is considerably _more_ than on the Earth, The temperature of Mars, with Professor Lowell's data, still One of the features of the surface of Mars that Mr. Lowell describes atmosphere of Mars that it allows more sun-heat to reach the surface;	./cache/10855.txt	./txt/10855.txt