Lexic.us

Definition of Celestial equator

1. Noun. The great circle on the celestial sphere midway between the celestial poles.

Definition of Celestial equator

1. Noun. (astronomy) A great circle on the celestial sphere, coincident with the plane of earth's equator. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Celestial Equator

Literary usage of Celestial equator

Below you will find example usage of this term as found in modern and/or classical literature:

1. Astronomy by Simon Newcomb, Günter Dietmar Roth, Arthur Beer, Edward Singleton Holden (1883)
"Again, the celestial equator being merely the great circle in which the ... Now the positions of the celestial pole and the celestial equator among the ..."

2. Mathematical Geography by Willis Ernest Johnson (1907)
"In latitude 36° the altitude of the celestial equator is 54°. c. ... If the celestial equator is 51° above the southern horizon, the celestial pole is 39° ..."

3. The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a by Elijah Hinsdale Burritt, Thomas Dick (1849)
"The equinoxes are the points in which the celestial equator and the ecliptic cut ... Meridians, are great circles perpendicular to the celestial equator, ..."

4. An Introduction to Astronomy by Forest Ray Moulton (1916)
"The celestial equator is a great circle 90° from the poles of the sky. An alternative definition is that the celestial equator is the great circle in which ..."

5. Scientific American Reference Book by Albert Allis Hopkins, Alexander Russell Bond (1913)
"The angle (23 J#>) between the plane of the ecliptic and that of the celestial equator is known as the obliquity of the ecliptic. ..."

6. International Library of Technology: A Series of Textbooks for Persons by International Textbook Company (1903)
"The angle between the ecliptic and the celestial equator is called the obliquity of the ecliptic, and is about 23° 27^'. The plane of the ecliptic coincides ..."

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