Tag Archive for Brown Dwarf

NASA Telescopes Find Close Neighbor of the Sun

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NASA’s Wide-field Infrared Survey Explorer and Spitzer Space Telescope have discovered what appears to be the coldest “brown dwarf” known — a dim, star-like body that, surprisingly, is as frosty as Earth’s North Pole. Images from the space telescopes also pinpointed the object’s distance to 7.2 light-years away, earning it the title for fourth closest…