e•qui•noc•tial cir•cle
We found 1 definitions of equinoctial circle from 1 different sources.
Noun |
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equinoctial circle - the great circle on the celestial sphere midway between the celestial poles | ||
celestial equator, equinoctial line, equinoctial | ||
great circle a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center |