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Multiverse Collisions May Dot The Sky

Multiverse Proof Possibility From Colliding Universes Quanta Magazine


In the years since their initial meeting, Peiris and Johnson have studied how a collision with another universe in the earliest moments of time would have sent something similar to a shock wave across our universe. They think they may be able to find evidence of such a collision in data from the Planck space telescope, which maps the CMB.

The project might not work, Peiris concedes. It requires not only that we live in a multiverse but also that our universe collided with another in our primal cosmic history. But if physicists succeed, they will have the first improbable evidence of a cosmos beyond our own.

Stashed in: The Universe, The Multiverse

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First off, beautiful picture.

Second, of course the project won't work. But it's still fun to think about the multiverse.

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