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Are multiverses real? An astrophysicist explains why it depends on how you define ‘real’

  • Written by Zachary Slepian, Associate Professor of Astronomy, University of Florida
imagePhysics has multiple theories and interpretations of the existence of a multiverse.Yana Iskayeva/Moment via Getty Images

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Are multiverses real? If so, what do they look like? How do you get...

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