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Chilly Quaoar had a warmer past

Crystalline ice suggests remote object has radioactive interior.

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  1. JewittD. C., LuuJ., Nature, 432. 731 - 733 (2004).

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Institute for Astronomy, Honolulu, Hawaii

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Peplow, M. Chilly Quaoar had a warmer past. Nature (2004). https://doi.org/10.1038/news041206-7

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