We don't even know what mechanism could create such an object. So with the 10-ish sun black holes, we actually... That's just a dead fat star. That is the death of a star. And then these things up to 100, they seem to be probably the mergers of those. But that still leaves a big space between 100 and 100,000 or a million, and we just have no idea. We just don't know.
How do supermassive black holes form? Neil deGrasse Tyson and comedian Chuck Nice come to you live to learn about the history of black holes, what’s inside them, and new discoveries with cosmologist Janna Levin and astrophysicist Jenny Greene.
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Photo Credit: ESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray)Derivative work including grading and crop: Julian Herzog, CC BY 4.0, via Wikimedia Commons
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