The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 224
rom the south pole ;and this is called the circle of perpetual occultation. Some of the constellations of the southern hemisphere, are rep-resented as inimitably beautiful, particularly the cross. 482. The parallax of a heavenly body is the differ-ence between the true and the apparent situation of… … thirdspectator at G, the centre of the earth, the moon would ap-pear^at E. which is the true situation. The dista o from F to Eis the parallax of the moon when viewed from A, .ad the distancefrom^E to D is the parallax when viewed from B. * In determining the true place of any of the celestial…
Physics
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