In article <4042a654$1@news.povray.org>,
"Greg M. Johnson" <gregj;-)565### [at] aol com> wrote:
> Okay great info thanks all.
>
> I had heard that the gas giants were a Godsend in that they protected the
> earth from wandering asteroids and wanted to model it. Hence my desire for
> an actual working multi-body system. Thanks.
That's one theory. Another theory is that Earth is so wet because of
comets smacked into it by the gas giants.
They do pull in a great deal of debris that comes too close to them, but
mostly stuff that would never go near Earth anyway. They also strongly
deflect debris orbits within a much greater volume than the volume they
"sweep clean", sometimes kicking it into the inner system.
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: <chr### [at] tagpovrayorg>
http://tag.povray.org/
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