One of many unanswered questions in astronomy is simply how supermassive black holes grew so massive, so rapidly. A crew of astronomers have tried to reply this query by looking for actively feeding supermassive black holes (aka quasars) as a approach to measure how a lot materials materials they’re truly accumulating. They studied nebulae close to the quasars that mild up with the quasar is releasing radiation and located that lots of the extra distant quasars have solely been energetic for a number of hundred thousand years, not lengthy sufficient to develop to the dimensions we see right now.
