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TLDR: it isn't. For a real explanation : http://en.wikipedia.org/wiki/Three-body_problem http://en.wikipedia.org/wiki/Three-body_problem It's a typical chaoti

by waps 12y ago

TLDR: it isn't. For a real explanation : http://en.wikipedia.org/wiki/Three-body_problem http://en.wikipedia.org/wiki/Three-body_problem It's a typical chaotic system. Over the short term everything looks and behaves VERY stable, but every 10 million years or so things align juuuuust right and some major shift suddenly happens.

rwmj 12y ago
Actually you're wrong and should probably read the article.
jpmattia 12y ago
> but every 10 million years or so things align juuuuust right and some major shift suddenly happens. I haven't thought deeply, but a quick check of the Sun-Moon-Earth system seems to disagree with this.