| LC control no. | sh2007000989 |
|---|---|
| Topical heading | Declination (Astronomy) |
| See also | Celestial reference systems |
| Found in | Work cat.: 2005274017: Westin, L. Beyond the solstice by declination, c1999. Britannica online, Feb. 15, 2007 (declination; in astronomy, the angular distance of a body north or south of the celestial equator. Declination and right ascension, an east-west coordinate, together define the position of an object in the sky. North declination is considered positive and south, negative. Thus, +90⁰ declination marks the north celestial pole, 0⁰ the celestial equator, and -90° the south celestial pole. The usual symbol for declination is the lowercase Greek letter [delta]) Facts of File dict. astronomy (declination; a coordinate used with right ascension in the equatorial coordinate system) Oxford dict. astronomy (declination; a coordinate on the celestial sphere, the equivalent of latitude on Earth ... It is an equatorial coordinate) |
 |  |  |