The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 225
arth. The moonis an opaque body, and shines only by the light of the sun. When,therefore, the moon is between the earth and the sun, it presents itsdark side to the earth; while the side presented to the sun, and onwhich the sun shines, is invisible to the earth. But when the earthis between the… … moon is at A, its dark side will be towards the earth, its illumi-nated part being always towards the sim. Hence the moon willappear to us as represented at a. But when it has advanced in What allowance must, also be made ? 4S3. Is the moon a primary or secondaryplanet? How long is it in performing…
Physics
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