This diagram for the outer solar system shows the orbits of Sedna (in orange) and 2012 VP113 (in red). The sun and terrestrial planets are at the center, surrounded by the orbits (in purple) of the four giant planets — Jupiter, Saturn, Uranus and Neptune. The Kuiper belt, which includes Pluto, is shown by the dotted light blue region. Scott S. Sheppard/Carnegie Institution for Science hide caption

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New Dwarf Planet Found At The Solar System's Outer Limits

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Russian personnel are the first to meet space station crew members when they return to earth. Bill Ingalls/NASA hide caption

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Despite Diplomatic Tensions, U.S.-Russia Space Ties Persist

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An artist's concept of a narrow asteroid belt orbiting a star similar to our own sun. NASA/JPL-Caltech hide caption

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Asteroid Belt May Be Just One Big Melting Pot Of Space Rocks

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The Chinese flag is seen in front of a view of the moon at Beijing's Tiananmen Square in December, when China's first moon rover touched the lunar surface. That feat was widely celebrated — but observers believe the rover has now run into serious trouble. Mark Ralston/AFP/Getty Images hide caption

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China's Jade Rabbit Rover May Be Doomed On The Moon

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This composite image shows new details of the aftermath of a massive star that exploded and was visible from Earth over 1,000 years ago. Chandra X-ray Observatory Center/NASA hide caption

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Dying Stars Write Their Own Swan Songs

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Live, from the moon, it's the space weather report: Data from a lunar orbiter is being used to create a music stream that reflects conditions in space. Here, an image created by NASA "visualizers" who used data from 2010 to show the moon traveling across the sun, as happens two or three times a year. NASA/SDO/LRO/GSFC hide caption

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The Quadrantid meteor shower is seen shortly after 5 a.m. on Jan 3, 2013. This year's shower will be helped by a new moon that will keep the night sky dark. Mike Lewinski/Flickr hide caption

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The iconic "Earthrise" photo taken by astronaut Bill Anders through a window on the Apollo 8 command module on Dec. 24, 1968. Bill Anders/NASA hide caption

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On Anniversary Of Apollo 8, How The 'Earthrise' Photo Was Made

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