How two quasars at the beginning of time could be a Rosetta Stone for the early universe
A double quasar has been discovered moving towards a major merger, lighting the ‘cosmic dawn’ just 900 million years after the Big Bang. They are the first quasar few spotted so far back in cosmic time. Quasars grow quickly supermassive black holes in the cores of hyperactive galaxies. Streams of gas are forced down the … Read more