New Dwarf Planet Found at Solar System's Edge, Hints at Possible Faraway 'Planet X' | Space.com

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Dwarf Planets of Our Solar System (Infographic) by Karl Tate In 2006 the organization responsible for classifying celestial bodies, the International Astronomical Union, decided that a new class of objects was needed. The solar system's erratic ninth planet, Pluto, was assigned to the new “dwarf planet” category along with four other bodies, all tinier than Earth’s moon. Some astronomers expect there may be as many as 50 dwarf planets in the solar system.

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These images show the discovery of the new inner Oort cloud object 2012 VP113 taken about 2 hours apart on UT November 5, 2012. The motion of 2012 VP113 clearly stands out compared to the steady state background stars and galaxies.

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See images and photos of the icy world 2012 VP113, a potential dwarf planet at the extreme edge of the solar system, in this Space.com gallery.

The discovery images of 2012 VP113. Each one was taken about two hours apart on Nov. 5, 2012. Behind the object, you can see background stars and galaxies that remained still (from Earth's perspective) in the picture frame. Credit: Scott S. Sheppard: Carnegie Institution for Science

New Dwarf Planet Found at Solar System's Edge, Hints at Possible Faraway 'Planet X' Discovery Images of 2012 VP113

Orbit Diagram for Outer Solar System showing the orbits of the 4 gas giants (purple), the Kuiper Belt (dots), Sedna (red), and newly discovered planet 2012 VP113. Read more about the hunt for Planet X here: http://www.space.com/25234-planet-x-search-solar-system.html?cmpid=514648_20140327_20818714

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The discovery images of 2012 VP113, which has the most distant orbit known in our Solar System. Three images of the night sky, each taken about 2 hours apart, were combined into one. The first image was artificially colored red, second green and third blue. 2012 VP113 moved between each image as seen by the red, green and blue dots. The background stars and galaxies did not move and thus their red, green and blue images combine to show up as white sources.

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Our solar system has a new most-distant family member. These images show the discovery of 2012 VP113 taken about 2 hours apart on November 5, 2012. The motion of 2012 VP113 stands out compared to background images. #NASA

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