celestial equator
Use Celestial equator in a sentencecelestial equator
noun Astronomy, Navigation.
the great circle of the celestial sphere, lying in the same plane as the earth's equator.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To celestial equator
Collins
World English Dictionary
| celestial equator | |
| —n | |
| equinoctial, Also called: equinoctial circle the great circle lying on the celestial sphere the plane of which is perpendicular to the line joining the north and south celestial poles | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Celestial equator
is always a great word to know.
So is lollapalooza. Does it mean:
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
American Heritage
Science Dictionary
| celestial equator
A great circle separating the northern and southern hemispheres of the celestial sphere and lying in the same plane as the Earth's equator. The celestial equator is a projection of the Earth's equator outward onto the celestial sphere and is used as the reference point in determining a celestial body's declination. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Declination is often used to orient to the stars, in relationship to the celestial equator.
Attached to the inside of this ring is a wide band dedicated with the signs of the zodiac and representing the celestial equator.
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