celes'tial equa'tor

Astron., Navig.
the great circle of the celestial sphere, lying in the same plane as the earth's equator. Also called equator, equinoctial, equinoctial circle, equinoctial line.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Celestial Empirecelestial guidance
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