The geography of the heavens, and class book of astronomy: (1853)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, Dick, Thomas, 1774-1857. [from old catalog] · New York, F. J. Huntington [etc.] · leaf 228
ce,how far will her shadow extend ? When the Sun is at his least distanre, and the Moonat her greatest When the Sun and Moon are both at their itienn di-tances / In thefirst case, in what circumstances will the Moons shadow full centrally on the Earth,and what will be its fieure and diameter i How… … In consequence of the Earths motion during the eclipse, this circular areabecomes a continued belt over the Earths surface ; being, at the broadest, 175miles wide. This belt is, however, rarely so broad, and often dwindles to amere nominal line, without total darkness. In March, this line extends…
Constellations · Stars
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