How could 2 quasars from the beginning of time be Rosetta stones for the early universe?
Just 900 million years after the Big Bang, a pair of quasars have been discovered spiraling towards a massive merger, illuminating the “cosmic dawn”. They are the first quasar The couple was detected this far back in cosmic time. Quasars are growing rapidly supermassive black holes in the nuclei of the hyperactive galaxies. Showers of… Read More »