gary
26-06-2020, 02:08 PM
Full press release here :-
https://uanews.arizona.edu/story/astronomers-discover-monster-quasar-early-universe
https://uanews.arizona.edu/story/astronomers-discover-monster-quasar-early-universe
View Full Version here: : Most massive quasar known in early universe discovered. 1.5e9 solar mass black hole