Discovered: A Cold, Close Neighbor of the Sun
Friday, April 25, 2014 - 14:00
in Astronomy & Space
NASA's Wide-field Infrared Survey Explorer (WISE) and Spitzer Space Telescope have discovered a dim, star-like body that surprisingly is as frosty as Earth's North Pole. This "brown dwarf" is only 7.2 light years away, making it one of the sun's nearest neighbors.