According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...
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Physicists predict when the universe could end in a dramatic ‘reverse Big Bang’ event
A new study by physicists predicts that the universe could one day collapse in a reverse Big Bang, offering fresh insight into how it might all end.
The early universe was already warm before reionization, revealing that the first stars did not flicker on in an icy cosmos.
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