celestial equator
noun
: the great circle on the celestial sphere midway between the celestial poles
Examples of celestial equator in a Sentence
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Conversely, the winter solstice takes place when the sun is in its southernmost position relative to the celestial equator.
—
Anthony Wood, Space.com, 20 June 2025
In the summer, full moons appear lower in the sky due to the moon’s orbit being below the celestial equator.
—Stephanie Edwards, Discover Magazine, 3 June 2025
The vernal equinox, also known as the March equinox, occurs when the sun crosses the celestial equator from south to north.
—Josh Hammer, Newsweek, 20 Mar. 2025
Northern Lights And Equinox Explained Earth’s northward equinox — when the sun crosses the celestial equator — will occur at 09:00 UTC (4:00 a.m. EDT) on March 20.
—Jamie Carter, Forbes, 19 Mar. 2025
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Anthony Wood, Space.com, 20 June 2025
In the summer, full moons appear lower in the sky due to the moon’s orbit being below the celestial equator.
—Stephanie Edwards, Discover Magazine, 3 June 2025
The vernal equinox, also known as the March equinox, occurs when the sun crosses the celestial equator from south to north.
—Josh Hammer, Newsweek, 20 Mar. 2025
Northern Lights And Equinox Explained Earth’s northward equinox — when the sun crosses the celestial equator — will occur at 09:00 UTC (4:00 a.m. EDT) on March 20.
—Jamie Carter, Forbes, 19 Mar. 2025
See All Example Sentences for celestial equator
Cite this Entry
“Celestial equator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/celestial%20equator. Accessed 8 Sep. 2025.
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