celestial_equator
1. [ noun ] (geography) the great circle on the celestial sphere midway between the celestial poles
Synonyms: equinoctial_line equinoctial equinoctial_circle
Related terms: great_circle right_ascension
Similar spelling:   celestial_pole
  celestial_horizon
  celestial_point
  celestial_orbit
  celestial_globe
  celestial_sphere
  Celestial_City
  celestial_body
  celestial_latitude
  celestial_guidance
  celestial_longitude
  celestial_hierarchy
  celestial_navigation
  celestial_mechanics