Astronomers Have Decoded a Weird Signal Coming from a Strange, 3-Body Star System

By Rafi Letzter Once or twice a day, a strange object in the Milky Way blinks at us. Now, astronomers think they know why. The object is called NGTS-7, and to most telescopes it looks like a single star. Researchers at the University of Warwick in England started watching because it seemed to be emitting flares, but …