August 27, 2012
New Dwarf Planet Found at Solar System's Edge, Hints at Possible Faraway 'Planet X'
By Mike Wall, Senior Writer | March 26, 2014 02:00pm ET
Astronomers have found a new dwarf planet far beyond Pluto's orbit, suggesting that this distant realm contains millions of undiscovered objects — including, perhaps, a world larger than Earth.
The newfound celestial body, called 2012 VP113, joins the dwarf planet Sedna as a confirmed resident of a far-flung and largely unexplored region scientists call the "inner Oort Cloud." Further, 2012 VP113 and Sedna may have been pulled into their long, looping orbits by a big planet lurking unseen in these frigid depths.
"These two objects are just the tip of the iceberg," study co-author Chadwick Trujillo, of the Gemini Observatory in Hawaii, told Space.com. "They exist in a part of the solar system that we used to think was pretty devoid of matter. It just goes to show how little we actually know about the solar system." [New Dwarf Planet Photos]
http://www.space.com/25218-dwarf-planet ... -edge.html
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