Apr 30, 2020
Ancient 'ring of fire' galaxy found glaring at Earth across space and time
Eleven billion years ago, a hot, active, galaxy that looked like an eye glared across space. Now, using data from the W.M. Keck Observatory in Hawaii and the Hubble Space Telescope, astronomers have captured a snapshot of its unblinking gaze. This galaxy, R5519, is made up of a flat ring...