Stars sped up by black holes may outshine supernovae when they collide

Some stars orbiting supermassive black holes are expected to move close to the speed of light, and when they collide they may release more energy than the brightest supernovae

Stars sped up by black holes may outshine supernovae when they collide
Some stars orbiting supermassive black holes are expected to move close to the speed of light, and when they collide they may release more energy than the brightest supernovae