Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York : H. Holt and company · leaf 183
when at hergreatest distance south of theequator, in the other half of herorbit, she attained a correspond-ing south declination, and cul-minated at a lower altitude thanshe had for eighteen years. In1885 the nodes will change places,and the orbit will deviate fromthe equator less than at any… … PERIGEE OF THE MOOK 163 § 4. MOTION or THE PEEIGEE. If the sun exerted no disturbing force on the moon, thelatter would move round the earth in an ellipse accordingto Keplees laws. But the difference of the suns attrac-tion on the earth and on the moon, though only a smallfraction of the earths…
Astronomy
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