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Evidence of water clouds found in spectrum of coldest brown dwarf
Since its detection in 2014, the brown dwarf known as WISE 0855 has fascinated astronomers. Only 7.2 light-years from Earth, it is the coldest known object outside of our solar system. Now, a team led by astronomers has succeeded in obtaining strong evidence for the existence of clouds of water or water ice — the first such clouds detected outside our solar system.