04-02-2006, 05:04 PM
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Retired, damn no pension
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Join Date: Nov 2004
Location: Obi Obi, Qld
Posts: 18,778
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Quote:
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Originally Posted by matty
But what happens if we find two 'larger than mars' size objects that are almost the same size as each other orbiting in partnership. Now we also have to define what is a moon.  |
Dual planetary system 
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