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PSI Director Promotes 13-Planet Solar System

[2008/08/14]
Mark Sykes says that if a non-stellar object is massive enough to be round and orbits a star, it ought to be a planet. The key here is that once an object gets that big, important geophysical processes begin. Under this scenario, the smallest known planet in the solar system ...

[ More : http://www.esaee.com/news/news/Articles/770.html ]
 
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