Free Astronomy Magazine May-June 2021

16 MAY-JUNE 2021 ASTRO PUBLISHING The earliest supermassive black hole and quasar in the Universe Q uasars, which are powered by the feeding frenzies of colossal supermassive black holes, are the most energetic objects in the Universe. They occur when gas in the superheated ac- cretion disk around a supermassive black hole is inexorably drawn in- wards, shedding energy across the electromagnetic spec- trum. The amount of electromagnetic r ad i a t i on by NOIRLab - Amanda Kocz