How is this possible? An enormous black hole keeps slipping through astronomers’ nets.
The big galaxy at the core of the cluster Abell 2261, which lies about 2.7 billion light-years from Earth, should have an even larger central black hole — a light-gobbling monster that weighs as much as 3 billion to 100 billion suns, astronomers estimate from the galaxy’s mass. But the exotic object has evaded detection so far.
For more, check out this Space.com story.