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Alain wrote:
> Jérôme M. Berger nous illumina en ce 2009-01-07 15:13 -->
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>> clipka wrote:
>>> David Buck <dav### [at] simberoncom> wrote:
>>>>   It was for a science fiction story I was working on that takes place
>>>> on a planet that orbits a star 20 lightyears away.  This is actually a
>>>> binary planet where two approximately equal mass planets orbit each
>>>> other (or around the center of mass of the two planets) and both orbit
>>>> the star.  The two planets are tidally locked to each other.  I wanted
>>>> to discover the dynamics of this world.
>>> Out of curiosity: Would such a system actually be stable in reality?
>>>
>>     It is: look at the Pluto-Charo pair of planets (planetoids?) in the
>> solar system.
>>
>>         Jerome
>>
>> PS: Of course, Pluto and Charo aren't 20 ligth-years away from their
>> sun, but that's probably just me being obtuse ;)
>>
>>
> It's 20 lightyears away from HERE.
> 
	I know that's what he *meant*, hence the smiley and the second part
of my sentence, but that's not what he *wrote*...

		Jerome
- --
mailto:jeb### [at] freefr
http://jeberger.free.fr
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