There's a New Kid on the Solar System BlockAstronomers this week reported what they believe to be the most-distant member of our solar system discovered so far. 2012 VP113, a probable dwarf planet that was found to lie beyond the known edge of the solar system, was discovered by Chadwick Trujillo, an astronomer at the Gemini Observatory in Hawaii, and Scott Sheppard, an astronomer at the Carnegie Institution for Science.
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There's a New Kid on the Solar System Block