Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 125
rver fully understands it. But it is notso well known that the sun has an apparent eastward motionamong the stars analogous to that of the moon, which everyone has noticed. The reason that people are not so famiUarwith the apparent motion of the sun is that stars caimotbe observed in its… … Fig. 32. — The hypothesis that the sun revolves around the eirth explainsthe apparent eastward motion of the sun with respect to the stars. Suppose on a given date certain stars are seen directly southon the meridian at 8 oclock at night. The sun is therefore120° west of the star; or, what is…
Astronomy
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