Astronomers detect closest supermassive black hole pair on track to merge in 100 years
Astronomers have detected two supermassive black holes orbiting each other every 121 days in a galaxy 450 million light-years away, signaling an imminent merger that could occur within a century. The discovery marks the closest observed pair of supermassive black holes to date, surpassing previous records where the tightest known binary required two years to … Weiterlesen …