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Related to celestial pole: celestial equator
Either of two diametrically opposite points at which imaginary extensions of the earth's rotational axis intersect the celestial sphere.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Astronomy) either of the two points at which the earth's axis, extended to infinity, would intersect the celestial sphere. Sometimes shortened to: pole
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
each of the two points in which the extended axis of the earth cuts the celestial sphere and about which the stars seem to revolve.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Either of the points at which the extensions of the Earth's axis intersect the celestial sphere.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.