clipka <ano### [at] anonymousorg> wrote:
>
>
> Here's a good example of why that's more difficult than it may appear at
> first:
>
> http://goo.gl/8oj291
>
> At first it seems that the system settles into a very neat routine:
> While a pair of two heavy central bodies tumbles closely around each
> other, a lighter third body circles it at a considerable distance, with
> some precession but otherwise unremarkable. After a while the third
> body's trajectory will become uneasy for a brief time, then settle again
> into a more excentric but seemingly more stable orbit, ceasing its
> precession.
>
> But the peace is a treacherous one: Very suddenly, momentum will begin
> to transfer from the inner planets to the outer one, drastically
> increasing its orbital period and excentricity; within a matter of just
> a dozen orbits it will start going off screen, until it spends maybe a
> minute or so off screen at a time. Another dozen revolutions later the
> orbital period and excentricity will start to decrease again, but will
> never shrink again to fit inside the screen, and only a handful of
> revolutions later the planet picks up speed again, this time to go for good.

I saw the Wikipedia, it says that over a large timescales, the Solar System will
be chaotic.

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