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
odifications, we may observe, that places from 200 to 250 milesfrom the central line, will be 11 digits eclipsed; from thence to 500 miles, 10digits ; and so on, diminishing one digit in about 250 miles. If. in either of the other cases, a conjunction take placewhen the Moons center is directly… … This may be illustrated by the above figure. Suppose C D to represent a partof the Earths orbit, and the Moons shadow to terminate at the vertex V.; thesmall space between e/will represent the breadth of the luminous ring whichWill be visible all around the dark body of the Moon. The appearance and…
Constellations · Stars
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