• Question: If the universe is everything, and the universe is always expanding, are there any theories of what it is expanding into?

    Asked by facebookbear to Emma, Jimmy, Janet, Niall, Simon on 12 Mar 2013.
    • Photo: Niall Crawford

      Niall Crawford answered on 12 Mar 2013:

      We don’t have any way to test what is beyond our universe (if there is anything), as we can only test or ‘see’ what is in our universe, not beyond it. So the answer is we don’t know, as it’s not possible to test.

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