At a Glance Recent hydrothermal activity may explain Cere's brightest area, NASA reports.New evidence of also find ammonia-bearing salts on the dwarf planet. Two new scientific papers are offering new insights on the mystery of the bright spots on Ceres, the dwarf planet that NASA’s Dawn Spacecraft has been orbiting and analyzing since last spring. According to Space.com, for more than two centuries after its 1801 discovery. One of its more elusive mysteries is the famous bright spots on Ceres...