polar distance

Short for north polar distance or south polar distance.

Polar Distance

one of the coordinates in the equatorial celestial coordinate system. The polar distance p is equal to the arc of the hour circle from the north celestial pole to the celestial body and is related to the declination δ by the equation p = 90°- δ.

polar distance

[′pō·lər ′dis·təns] (astronomy) Angular distance from a celestial pole; the arc of an hour circle between a celestial pole, usually the elevated pole, and a point on the celestial sphere, measured from the celestial pole through 180°.

polar distance

The angular distance from a celestial pole. The polar distance of any celestial body is equal to 90° minus the declination of the body.

单词	polar distance
释义	polar distance polar distance n (Astronomy) the angular distance of a star, planet, etc, from the celestial pole; the complement of the declination. Also called: codeclination polar distance polar distance Short for north polar distance or south polar distance. Polar Distance one of the coordinates in the equatorial celestial coordinate system. The polar distance p is equal to the arc of the hour circle from the north celestial pole to the celestial body and is related to the declination δ by the equation p = 90°- δ. polar distance [′pō·lər ′dis·təns] (astronomy) Angular distance from a celestial pole; the arc of an hour circle between a celestial pole, usually the elevated pole, and a point on the celestial sphere, measured from the celestial pole through 180°. polar distance The angular distance from a celestial pole. The polar distance of any celestial body is equal to 90° minus the declination of the body.
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