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Old 08-08-2008, 06:37 AM   #21 (permalink)
yellowmac
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Quote:
Originally Posted by Catdaddy33 View Post
They discoved Sedna which is part of the reason that Pluto got the demotion.

SPACE.com -- Weird Object Beyond Pluto Gets Stranger

They still think there is a larger body Planet X that orbits well beyond Pluto.

SPACE.com -- Large 'Planet X' May Lurk Beyond Pluto
Ok, sure. But Sedna and the other KBOs that have been discovered in the past few years aren't the elusive Planet X that people have been searching for. I think it's doubtful that a large "Planet X" (i.e. Neptune mass) exists, because it probably would have perturbed the orbits of Kuiper Belt and Oort Cloud objects to adversely affect the inner and outer solar system.
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