Sharpless, Isaac, 1848-1920, Philips, G. M. (George Morris), 1851-1920, joint author · Philadelphia, J.B. Lippincott company · leaf 100
the earth is really due to the earths yearly motion about thesun, and that this causes the change of seasons. But the explanationis simpler if the sun be supposed to revolve about the earth. In thesame way we commonly say, The sun rises, or The sun sets,although these things are really due to the… … Fig. 24.—Day and Night at the Summer Solstice. est nights. This is the beginning of summer,—thesummer solstice. (See Fig. 24.) For the next three months the sun moves on aroundthe earth, now of course back of the figure (22), and onSeptember 22 is directly behind the middle of the fig-ure and on…
Astronomy
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