Re:General relativity passes a range of precise tests set by...
by cbm-vic-20 on Thursday December 16, 2021 @10:57AM
(#29579476)
TON 618 is a quasar, which according to Wikipedia "is an extremely luminous active galactic nucleus (AGN), powered by a supermassive black hole, with mass ranging from millions to tens of billions of solar masses"
"More than a million quasars have been found".
Wild.