Astronomers have announced the discovery of 28 new planets outside our solar system, increasing the total number of known exoplanets to 236. The planets are among 37 new objects discovered by the teams within the past year. Seven of the 37 are confirmed brown dwarfs, which are failed stars that nevertheless are much more massive than the largest, Jupiter-sized planets.
California, Carnegie team reports 28 new exoplanets, 7 new brown dwarfs