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Elementary astronomy; a beginner's text-book (1899)

Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 239

An illustration from Elementary astronomy; a beginner's text-book, 1899, leaf 239
turned toward us. An eye at 8 (on the left-hand sideof the page) could see half of the Moon if it were illumi-nated. But as the dark side is turned toward S an eyeplaced there would see nothing. No light would come toit. An eye at V would see the Moon as a bright circle.The half turned toward V is… … Fig. 137.—The Phases op the Moon Explained. Sun being some thirty feet away (on the scale of the draw-ing) in the line BA. For the present purpose we supposeboth Earth and Sun to be at rest and the Moon to moveround her orbit in the direction of the arrows. Eightpositions of the Moon are shown…

Astronomy

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