Good Article on Orbital Dynamics




It's from last month's issue of American Scientist.

http://tinyurl.com/2w4h5a

Toward the end of the article, that author says that the configuration of
extrasolar planets aroung the star 55 Cancri has a region of stable orbits
that will allows a planet to exist in the habitable zone around it's sun,
where the temperature is just right for liquid water to exist. Since the
whole point of the article is that solar systems are "full," ie. that all
stable orbits are typically inhabited, the author is clearly suggesting
that the chances are quite good of actually finding a planet in that
region, eventually.
.



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