celestial equator

celestial equator

n.

A great circle on the celestial sphere in the same plane as the earth's equator. Also called equinoctial, equinoctial circle.

celestial equator

n

(Astronomy) the great circle lying on the celestial sphere, the plane of which is perpendicular to the line joining the north and south celestial poles. Also called: equinoctial or equinoctial circle

celes′tial equa′tor

n.

the great circle of the celestial sphere, lying in the same plane as the earth's equator.

[1870–75]

celestial equator

A great circle on the celestial sphere in the same plane as the Earth's equator.

Thesaurus

Noun

1.

celestial equator - the great circle on the celestial sphere midway between the celestial poles equinoctial, equinoctial circle, equinoctial line great circle - a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center

Translations

equatore celeste