celestial equator

noun

Definition of celestial equator

: the great circle on the celestial sphere midway between the celestial poles

Examples of celestial equator in a Sentence

Recent Examples on the Web On this date the Sun moves across the celestial equator, essentially moving into the other hemisphere. Jamie Carter, Forbes, 17 June 2021 The Ecliptic crosses the celestial equator at two points. Curtis Roelle, baltimoresun.com/maryland/carroll, 6 Mar. 2021 If located directly on the celestial equator its declination is 0°. Curtis Roelle, baltimoresun.com/maryland/carroll, 6 Mar. 2021 The angular distance of the object north or south of the celestial equator is its declination. Curtis Roelle, baltimoresun.com/maryland/carroll, 6 Mar. 2021 Equinox is the moment in Earth’s orbit around the Sun when our star appears to cross the celestial equator. Jamie Carter, Forbes, 26 Feb. 2021 During the equinox, the sun moves north along the celestial equator. Lisa Stardust, Teen Vogue, 19 Mar. 2020 According to the Farmer’s Almanac, the sun will cross the celestial equator from south to north. Isabel Garcia, House Beautiful, 16 Mar. 2020 Betelgeuse is a red supergiant star in Orion, a prominent constellation that spans the celestial equator. The Economist, 11 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'celestial equator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of celestial equator

1848, in the meaning defined above

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The first known use of celestial equator was in 1848

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Dictionary Entries Near celestial equator

Celestial Empire

celestial equator

celestial globe

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Last Updated

30 Jun 2021

Cite this Entry

“Celestial equator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/celestial%20equator. Accessed 2 Aug. 2021.

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More from Merriam-Webster on celestial equator

Britannica.com: Encyclopedia article about celestial equator

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