N-body problem | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-27

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/N-body_problem


00:01:00 1 History
00:05:13 2 General formulation
00:05:16 3 Special cases
00:05:26 3.1 Two-body problem
00:15:04 3.2 Three-body problem
00:15:14 3.3 Planetary problem
00:17:52 3.4 Central configurations
00:21:10 3.5 spann
00:26:22 4 Analytic approaches
00:27:53 4.1 Power series solution
00:28:33 4.2 A generalized Sundman global solution
00:29:04 4.3 Singularities of the spann
00:29:21 5 Simulation
00:29:57 5.1 Few bodies
00:30:45 5.2 Many bodies
00:32:49 5.3 Strong gravitation
00:33:04 6 Other spann
00:34:02 7 See also
00:35:02 8 Notes
00:35:25 9 References
00:35:50 10 Further reading
00:37:27 11 External links
00:39:57 Strong gravitation
00:40:44 Other n-body problems
00:42:14 See also



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SUMMARY
=======
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. In the 20th century, understanding the dynamics of globular cluster star systems became an important n-body problem. The n-body problem in general relativity is considerably more difficult to solve.
The classical physical problem can be informally stated as the following:

Given the quasi-steady orbital properties (instantaneous position, velocity and time) of a group of celestial bodies, predict their interactive forces; and consequently, predict their true orbital motions for all future times.
For this reason, the two-body problem has been completely solved and is discussed below, as well as the famous restricted three-body problem.