According to John Morse, director of astrophysics at NASA headquarters in Washington, after nearly ten years of searching, with the WISE orbital observatory finally discovered a new type of unprecedented cold stars belonging to the brown dwarf -Y dwarfs, the temperature of these stars are, on average, less than usual body temperature. Total found about a hundred of these cold brown dwarfs at a distance of 9 to 40 light years from Earth. The champion is a brown dwarf in 1828 WISE 2650, the surface temperature of about 80 degrees Fahrenheit (25 degrees Celsius). A brown dwarf WISE 1541-2250 located at a distance of nine light-years from Earth.