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polar distanceShort for north polar distance or south polar distance.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
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.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
polar distance[′pō·lər ′dis·təns]
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°.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The angular distance from a celestial pole. The polar distance of any celestial body is equal to 90° minus the declination of the body.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved