February 15, 2011
Planets, +1

Exit Pluto, enter Tyche? Scientists have been positing an undiscovered, far-distant planet in our solar system for as long as I can remember. Such suppositions have been discounted or disproved just as often. Don't know what to make of this, other than to hope testable predictions result, so we can actually try to figure out the answer.

Posted by scott at February 15, 2011 12:41 PM

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