Tag: Early universe black hole
Observing a Super-Eddington-Accreting Black Hole 1.5 Billion Years After the Big Bang – Nature...
Observational surveys have discovered hundreds of luminous quasars at redshifts greater than 6-7. These quasars host supermassive black holes with masses ranging from 10^9 to 10^10 solar masses, challenging current models of black hole...