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04/06/2002 Quaoar is discovered

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8 PLANETS BEYOND PLUTO

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What Is The Kuiper Belt?

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Astronomers discover biggest celestial body in 72 years

Quaoar actual discovering image was taken on June 4 and analyzed on June 5. It was officially discovered on June 6 by astronomers Chad Trujillo and Michael Brown at the California Institute of Technology, from images acquired at Palomar Observatory. Quaoar is special because signs of crystalline ice have been found.