When were the first black holes?

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Offline LetoII

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When were the first black holes?
« on: 28/06/2012 04:55:54 »
could black holes have existed earlier than currently accepted because of the different properties of a early universe?
« Last Edit: 28/06/2012 22:41:02 by chris »


Offline Soul Surfer

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Re: When were the first black holes?
« Reply #1 on: 30/06/2012 12:47:50 »
black hole probably formed directly with the first stars because beyond a few thousand solar masses in a condensation it is possible for a condensed object to collapse within its event horizon without getting too hot and starting nuclear fusion which tends to support or blow apart the object.  That is probably how the big black holes at the centre of galaxies and globular clusters started.
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