Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 57
are imagined to be formed by planes passingthrough the zenith, perpendicular to the horizon, andintersecting the celestial sphere. The vertical circlepassing through the east and west points of the horizonis termed the prime vertical, while that which intersectsthe north and south points becomes a… … AZIMUTH AND ALTITUDE OF A STAR. 66. The Position of a Star—how determined.The place of a star in the sky may be determined inthree ways. First, by referring it to the planes of acelestial meridian and of the horizon. Secondly, bynoting its distance from the planes of a given meridian What are…
Astronomy
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