ALL meanings of celestial sphere
ce·les·tial sphere
C c - noun celestial sphere an imaginary sphere of infinitely large radius enclosing the universe so that all celestial bodies appear to be projected onto its surface 3
- noun celestial sphere an imaginary sphere of infinite extent on which all celestial objects appear to lie: the observer is always at its center 3
- noun celestial sphere the imaginary spherical shell formed by the sky, usually represented as an infinite sphere, the center of which is a given observer's position. 1