NASA Discovers Coldest Brown Dwarf Neighbor of the Sun
Monday, April 28, 2014 - 14:11
in Astronomy & Space
A brown dwarf as cold as the North Pole has been hiding remarkably close to our solar system. Using NASA's Wide-field Infrared Survey Explorer and Spitzer Space Telescope, astronomers discovered the dim, "failed star" lurking just 7.2 light-years away.