Astronomers Detect a Black Hole Merger That's So It Shouldn't Exist
Astronomers Detect a Black Hole Merger That's So It Shouldn't Exist

gizmodo.com Astronomers Detect a Black Hole Merger That's So Massive It Shouldn’t Exist
The powerful merger, designated GW231123, produced an extremely large black hole about 225 times the mass of our Sun.

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