... Tonight's Sky . ... Fastest rotating star found in neighboring galaxy . Astronomers think this sun may have had a violent past and has been ejected from a double star system by its exploding companion. ... Astronomers have found the fastest spinning star ever discovered. ... If the two stars were close, gas from the companion could have streamed over, and, in the process, the star would have spun faster and faster. ... This is an artist's concept of the fastest rotating star found to date. ...