celestial_horizon
1. [ noun ] (geography) the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
Synonyms: horizon
Related terms: great_circle
Similar spelling:   celestial_equator
  celestial_point
  celestial_orbit
  celestial_longitude
  celestial_pole
  Celestial_City
  celestial_body
  celestial_guidance
  celestial_globe
  celestial_mechanics
  celestial_hierarchy
  celestial_sphere
  celestial_navigation
  celestial_latitude