Browsing: Brown Dwarf

– 201108brown dwarf

NASA’s Wide-field Infrared Survey Explorer (WISE) has offered data about the coolest stars ever found until now, stars which are about as warm as you and me. Named Y dwarfs, these stars have lit the interest of astrophysicists for a long time, but it wasn’t until now that they were finally discovered and analyzed. These […]

– 201103coldest star in the universe

Astronomers usually classify stellar objects by a spectra going from hotter to cooler, using the letters O, B, A, F, G, K, and M. As observational technology progressed and a myriad of new astronomical findings were made, in the last 15 years alone two new classes  L and T emerged designed to describe ultracool brown […]