celestial equator

noun

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

Examples of celestial equator in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
During early 2025 the moon's declination has its maximum range, from about 28.5 degrees north of the celestial equator to 28.5 degrees south. Joe Rao, Space.com, 6 Feb. 2025 In the summer, the moon is closer to the celestial equator, as well as Earth's horizon due to the tilt of the planet's axis. Brandi D. Addison, Austin American-Statesman, 24 May 2024 At this time, the sun moves above the equator, where the two elliptic points and the celestial equator connect. Lisa Stardust, refinery29.com, 23 Sep. 2024 The spring equinox marks the moment when the sun crosses the celestial equator, heading northward. Tiffany Acosta, The Arizona Republic, 9 Mar. 2024 See all Example Sentences for celestial equator 

Word History

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of celestial equator was in 1848

Dictionary Entries Near celestial equator

Cite this Entry

“Celestial equator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/celestial%20equator. Accessed 11 Feb. 2025.

Kids Definition

celestial equator

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

More from Merriam-Webster on celestial equator

Last Updated: - Updated example sentences
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