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In [[physics]] and [[classical mechanics]], the '''three-body problem''' is the '''problem''' of taking an initial set of [[data]] that specifies the [[Position|positions]], [[Mass (physics)|masses]], and [[Velocity|velocities]] of three bodies for some particular point in [[time]], and then determining the [[Motion (physics)|motions]] of the three bodies.

== Description ==

The three-body problem deals with time and motion in accordance with the laws of [[classical mechanics]] ([[Isaac Newton|Newton]]'s laws of motion and of universal gravitation).

== History ==

Historically, the first specific three-body problem to receive extended study was the one involving the Moon, the Earth and the Sun.

In an extended modern sense, a three-body problem is a class of problems in classical or quantum mechanics that model the motion of three particles.

== See also ==

* [[Classical mechanics]]
* [[Data]]
* [[Position]]
* [[Mass (physics)]]
* [[Motion (physics)]]
* [[Physics]]
* [[Time]]
* [[Velocity]]

== External links ==

* [https://en.wikipedia.org/wiki/Three-body_problem Three-body problem] @ Wikipedia