Electro astronomical atlas ... with explanatory notes, questions and answers (1874)
Spoor, J. W. (Joseph W.) · Albany, N.Y., Weed, Parsons and Company · leaf 81
PLATE XII li^JL 1, .... ..I WWW ■•■■■ -.:■■/ V;:;>: iy.-- ijiiiii WEED; PARSONS & CO.ALBANY, N. Y, Bill . ■ ■ ■■ … A.TOLLE, PHOTO-LITH GENERAL THEORY OF ECLIPSES ELECTRO-ASTRONOMICAL ATLAS. 49 Q. Why do we have an Eclipse of the Sun onlyat New Moon ? A. At any other point in the orbit the shadowof the Moon would fall away from the Earth,hence, it would be impossible at any other timeto have an Eclipse of the…
Astronomy
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