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celestial mechanics comparison table

Subject	is a kind of	has definition
astrophysics	physics	The science that studies the physics and chemistry of extraterrestrial objects. The alliance of physics and astronomy, which began with the advent of spectroscopy, made it possible to investigate what celestial objects are and not just where they are.
celestial mechanics	astrophysics	Study of the movements and physical interactions of objects in space; astrophysical mathematics.

Up: astrophysics