Some Black Holes May Pre-Date The Big Bang, Say Cosmologists - Technology Review
: By some accounts, a Big Crunch generates a singularity that ought to cause everything in the Universe to merge. But Carr and Coley say that in some circumstances, black holes of a certain mass could avoid this fate and survive the crunch as separate entities. The masses for which this is possible range from a few hundred million kilograms to about the mass of our Sun.
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