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celestial equator

NOUN
imaginary equator in the sky
Synonyms


Example Sentences

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This region is positioned near the celestial equator and close to the flat disk of the Milky Way, which makes it visible from many locations on Earth during certain seasons.

From Science Daily Dec. 25, 2025

Fall officially kicks off Friday at 11:50 p.m. with the fall equinox, the moment the sun crosses the celestial equator, an imaginary line above earth’s equator.

From Seattle Times Sep. 21, 2023

Orion straddles the celestial equator, so it is well known to observers in both the Northern and Southern Hemispheres and holds the record for containing the most bright stars in one stellar pattern.

From National Geographic Aug. 23, 2023

And whereas Ptolemy based his coordinate system on the ecliptic, Hipparchus used the celestial equator, a system more common in modern star maps.

From Scientific American Oct. 20, 2022

Polaris is now the nearest conspicuous star to the north pole of the celestial equator.

From Essays by Ralph Waldo Emerson by Edna Henry Lee Turpin



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