Pulsars set first mass limits on supermassive black hole pairs in the early universe

So far, observations by instruments including the James Webb Space Telescope have revealed the presence of surprisingly massive black holes in the early universe. Even less than a billion years after the Big Bang, some of these bodies already weighed billions of times the mass of This story matters for Science & Discovery readers tracking certification. Reported by phys.org. Read the full original at the source link below.