Simulations suggest light stellar-origin black hole seeds cannot grow into early supermassive black holes, while direct collapse of pristine gas in halos exposed to strong ultraviolet radiation from massive population III stars can produce heavier seeds.
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Early black-hole seeds in the first billion years
Simulations suggest light stellar-origin black hole seeds cannot grow into early supermassive black holes, while direct collapse of pristine gas in halos exposed to strong ultraviolet radiation from massive population III stars can produce heavier seeds.