Celestial

Celestial may refer to:

== Science == Objects or events seen in the sky and the following astronomical terms: Astronomical object, a naturally occurring physical entity, association, or structure that exists in the observable universe Celestia, a 3D astronomy program that allows users to travel through the universe, also known as a celestial body or object Celestial coordinate system, a system for mapping positions on the celestial sphere Celestial mechanics, the branch of astronomy that deals with the motions of celestial objects Celestial navigation, a position-fixing technique that helps sailors cross the oceans Celestial pole, the two points in the sky, north and south, where the projection of a planet's axis of rotation intersects its celestial sphere Celestial sphere, an imaginary sphere concentric with the Earthall objects in the sky can be thought of as projected upon the celestial sphere Celestial spheres, fundamental entities of the cosmological models developed by Plato, Aristotle, and others