http://www.nbcnews.com/science/space/far-out-icy-world-widens-our-solar-systems-frontier-n62286
March 26, 2014 - NBC News
More than a decade after an oddball world named Sedna was discovered on the solar system's far frontier,
a fresh discovery reveals that it's not so odd after all. Sedna and the
newly found object, called 2012 VP113, may well be the first of a huge
new class of celestial bodies.
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Sheppard and Chad Trujillo, an astronomer at the Gemini Observatory in
Hawaii, describe their find in Thursday's issue of the journal Nature. The discovery is based on a year's worth of observations from telescopes in Chile.
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