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celestial meridian - 2 reference results
celestial meridian
celestial meridian, vertical circle passing through the north celestial pole and an observer's zenith. It is an axis in the altazimuth coordinate system.
The Columbia Electronic Encyclopedia Copyright © 2004.
Licensed from Columbia University Press
celestial meridian
Jan 01, 1997; celestial meridian See meridian, celestial .
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meridian, celestial
Jan 01, 1997; meridian, celestial A great circle on the celestial sphere that joins the north and south points on an observer's horizon,...
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Celestial coordinates
Jan 01, 2008; Celestial coordinates In astronomy, celestial coordinate systems locate objects in the sky, which is considered to be an...
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celestial pole
Nov 12, 2008; celestial pole one of the two points at which the earth's axis of rotation intersects the celestial sphere . The celestial pole...
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Celestial Intermediate Reference System
Jan 01, 1997; Celestial Intermediate Reference System ( CIRS ) A geocentric coordinate system based upon the present position of the celestial...
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