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 102
reater than upon B :hence the sun tends to pull the ring over into the plane of theecliptic: but the rotation of the earth tends to keep the ring inthe same plane. The struggle between these two tendenciescauses the earth, to which the ring is attached, to wabble likea spinning-top, whose rotation… … 86 ASTRONOMY. II. THE MOON. Distance, Size, and Motions. 87. The Distance of the Moon. — The moon is the near-est of the heavenly bodies. Its distance from the centre ofthe earth is only about sixty times the radius of the earth,or, in round numbers, two hundred and forty thousand miles. The…
Astronomy
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