The geography of the heavens, and class book of astronomy: (1849)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Dick, Thomas, 1774-1857. [from old catalog] · New York, Huntington & Savage · leaf 224
end? In what circamsfanccs is the .Aloon totallyeclipsed ? Beyond what distance from hf-r node, if she be, will she only touch the Earths»hadc w. and not be eclipsed ? On what then does the duratini of lunar eclipses depend S20 ECLIPSES. through which she passes. When an eclipse of the Moon is both… … The diameter of the Earths shadow, at the distance ofthe Moon, is nearly three times as large as the diameter of theMoon; and the length of the Earths shadow is nearly fourtimes as great as the distance of the Moon; exceeding it icthe same ratio that the diameter of the Earth does the diameter of…
Constellations · Stars
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