| CE | of or relating to the sky |
|---|---|
| CE | natural objects visible in the sky |
| CE | other phrases used to refer to heaven |
| CE | the great circle on the celestial sphere midway between the celestial poles |
| CE | a globe that is a spherical model of the heavens |
| CE | a method of controlling the flight of a missile or spacecraft by reference to the positions of celestial bodies |
| CE | the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth |
| CE | (astronomy) the angular distance to a point on a celestial object measured north or south from the celestial equator |
| CE | (astronomy) the angular distance eastward along the celestial equator from the vernal equinox to the intersection of the hour circle that passes through the body |
| CE | the branch of astronomy concerned with the application of Newton's laws of motion to the motions of heavenly bodies |
| CE | navigating according to the positions of the stars |
| CE | the (usually elliptical) path described by one celestial body in its revolution about another |