Howe, Herbert A. (Herbert Alonzo), 1858-1926 · Meadville, Penna., Flood and Vincent · leaf 253
the Lick Observatory. 246 A Study of the Sky. die, if Professor Campbells conclusions are to be ac-cepted. The climate of the planet seems to be mild ; else whyshould the polar snows melt so rapidly and cause fresh-ets ? The sunlight which reaches Mars is less than halfas intense as ours. If its… … W/ Caution. Fig. 117.—The Cap Diminishing, August 24-29, 1892. that the composition of the Martian atmosphere is widelydifferent from that of our air ? Would not a humanbeing fare ill on Mars ? While the basis of our argument is confessedly slen-der, and the conclusions may be wide of the facts,…
Astronomy
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