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Does Black Hole Formation Require Gravitational Collapse?

-- Mj | June 2, 2021

Question:

Do blackholes only form as a by-product stellar nucleosynthesis or are there gravity wells that exist without an initial collapse?

-- Mj

Answer:

Yes.  Black holes form from the gravitational collapse of a massive object such as the remnants of a massive star at the end of its life.

-- Jeff Mangum