A Stephen Hawking collaborator who just won a Nobel Prize says that the "Big Bang was not the beginning."
Before the Big Bang, when our universe began to rapidly expand, there may have been a previous universe whose place we took.
Sir Roger Penrose, a University of Oxford mathematician and physicist who just won the Nobel Prize for work in the field of black holes, suggested that our universe was not the first to exist, The Telegraph reports. And, he added, it won't be the last either.
“The Big Bang was not the beginning," Penrose said, according to the paper. "There was something before the Big Bang and that something is what we will have in our future."
In Penrose's view, a universe will continue to expand until all of its matter eventually decays. And then, in its place, a new one will begin.
"We have a universe that expands and expands, and all mass decays away, and in this crazy theory of mine, that remote future becomes the Big Bang of another aeon," he said, according to The Telegraph.
The proof of his idea are what Penrose calls Hawking Points: the corpses of black holes from before the Big Bang that outlived their own universes but are now at the end of their lifespans, leaking radiation as they fade into nothing.
"So our Big Bang began with something which was the remote future of a previous aeon and there would have been similar black holes evaporating away, via Hawking evaporation," Penrose added, "and they would produce these points in the sky, that I call Hawking Points."
READ MORE: An earlier universe existed before the Big Bang, and can still be observed today, says Nobel winner [The Telegraph]
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