Lagrange Points

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pbholmes
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Joined: 15 Nov 2006, 22:17
Location: Dalgety Bay

Lagrange Points

Postby pbholmes » 22 Dec 2006, 22:24

When two relatively heavy objects orbit one another, there are five special points where a third, light, object can be locked into a stable relationship with the other two.

Image

Some Lagrange points, such as the Sun-Jupiter ones have asteroids sitting in them, and the Earth-Moon ones have dust clouds. Other Lagrange points don't seem to have anything much.

For more details, see this fascinating article: http://math.ucr.edu/home/baez/lagrange.html.

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