30 Nov '17, 2am

Physicist believes vestiges of a previous universe could be floating around in our own

Physicist believes vestiges of a previous universe could be floating around in our own

Most physicists today subscribe to the theory that our universe began in a spacetime singularity known as the Big Bang, but this isn't the only theory that's around. For instance, some physicists have proposed that our universe is just one among many, that perhaps space and time did not have a beginning at all. These alternative theories are interesting, but because the other universes that they posit are often conceived of as separate from our own, they're difficult to test. But what if the cosmos was not quite so clean cut? What if bubbles of previous universes were still floating around in our universe, like soap bubbles that didn't quite drain out with the last bath? That's the idea behind a new theory proposed by Brazilian physicist Juliano Cesar Silva Neves. He has theorized that our universe was never squashed into a Big Bang-like singularity at all. Rather, he beli...

Full article: https://www.mnn.com/earth-matters/space/stories/physicist...

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