Hubble Finds the 'Tenth Planet' is Slightly Larger than Pluto

NASA's Hubble Space Telescope has resolved the "tenth planet," nicknamed "Xena," for the first time and has found that it is only just a little larger than Pluto.

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<p><a href="http://www.physorg.com/news63994327.html">Hubble Finds the 'Tenth Planet' is Slightly Larger than Pluto</a></p> <p>NASA's Hubble Space Telescope has resolved the "tenth planet," nicknamed "Xena," for the first time and has found that it is only just a little larger than Pluto.</p>