Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 33
istance from the nearer pole. Declination and polar distance are measured on hour circles, and for the same heavenly body they are com-plements of each other.The right ascension of a heavenly body is its distance eastward from the first point of Aries, measured from the equinoctial colure. It is… … ASTRONOMY, 17 celestial sphere, it may have any value from o° up to 3600.Right ascension corresponds to longitude on the earth, anddeclination to latitude. 15. The Meridian Circle. — The right ascension anddeclination of a heavenly body are ascertained by means ofan instrument called the meridian…
Astronomy
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