Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York, H. Holt · leaf 176
precise idea of the manner in which the sun disturbs themotion of the moon around the earth may be gathered fromFig. 57. Here 8 represents the sun, and the circle F Q M ^repre-sents the orbit of the moon. First suppose the moon at N, the posi-tion corresponding to new moon. Then the moon, being… … Fig. 57. Next suppose the moon at F the position corresponding to fullmoon. Here the action of the sun upon the earth will be morepowerful than upon the moon, and the earth will in consequence bedrawn away from the moon. In this position also the effect of thedisturbing force is to separate the two…
Astronomy
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