Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 91
ofthe perpendicular and this makes the day and the night at theequator each 12 hours long and the day and the night at thenorth and south poles each six months long. The circle round the Sky which is in a plane with the Sun 70 THE BOOK OF THE STARS is called the ecliptic. The Sun seems to follow a… … SOUTHPOLE Fig. 74.—If the Earths Equator Were in a Line with the Sun. are standing still and that it is the Earth which is whirlinground on its own axis and also round the Sun. We have given a couple of experiments to show that the
Astronomy · Stars
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