Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 130
onger 4000 miles as in the last example, but it is 93,000,000 miles.Suppose P to be a star. When the Earth is in the position S the iN.E ,S.E. N.W, 1 1 III f 2 0 Pointer II 1 I 3 I s.w. Fig 57. To illustrate the parallax of a body. star will be projected on the celestial sphere at P; when the… … The Annual Parallax of a Star. its apparent position on the celestial sphere will appear to move be-cause the observer moves. If the observer were at the Sun (C) in-stead of on the Earth (at S) he would see the star at Pi; if the ob-server S were at the Sun (C) he, also, would see the star at Px.…
Astronomy
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