Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 88
t of the Sun in thepast ages there never could have been any kind of life on theEarth. The Earth is just as dependent on the Sun now as itwas in the past, and if he should fail to shine on our world for 66 MOTHER EARTH, OLD ADAMS PLANET 67 even a little time everything would die. Fig. 70 is a… … USTJMOSPHEftE 60UTI-Pig. 70.—Ceobs Section of the Earth. made a complete voyage round the world and returned to theplace she started from. (1) One of the easy ways to show that the earth is round,or at least that the surface of the earth is curved, as shown inFig. 71, is to watch a ship as she…
Astronomy · Stars
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