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N-body problem

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In physics, the n-body problem is the problem of predicting the individual motions of a group of celestial objects interacting with each other gravitationally. Solving this problem has been motivated by the desire to understand the motions of the Sun, Moon, planets, and visible stars.

This article is about the problem in classical mechanics. For the problem in quantum mechanics, see Many-body problem. For engineering problems and simulations involving many components, see Multibody system and Multibody simulation. In physics, the n-body problem is the problem of predicting the individual motions of a group of celestial objects interacting with each other gravitationally. Solving this problem has been motivated by the desire to understand the motions of the Sun, Moon, planets, and visible stars. The classical physical problem can be stated as follows: Each particle in a…

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