A new treatise on astronomy, and the use of globes : in two parts ... (1866)
M'Intire, James, 1799-1879 · New York : Published by A.S. Barnes & Burr ... · leaf 166
de (18) be less than the sum of her apparent semi-diame-ter d, at the time of conjunction, and the apparent semi-diame-ter of the luminous frustum at her orbit. Let N S, N TO, repre-sent portions of the eclip-tic and moons orbit re-ferred to the celestialsphere, N the descendingnode, S,S transverse… … 198. Draw the diagram, and demonstrate that the apparent semi-diam- 160 ASTRONOMY. dent the moor, will not obscure any portion of the sun iit thetime of conjunction, unless she is in a position as m nearer tlionode than m, and consequently her latitude less than m S. Inthe right angled spheiical…
Astronomy
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