Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 109
Fig. 1 … Fig. 109, The reason why the synodical period is longer than thesidereal period will appear from Fig. 109. 5 represents theposition of the sun, E that of the earth, and the small ASTRONOMY. 93 circle the orbit of the moon around the earth. The arrowin the small circle represents the direction the…
Astronomy
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