• Question: If the universe is expanding it must be expanding into something what do you think it is expading into?

    Asked by Squiddy to Anna, Hayley, Iain, Rebecca, Sascha on 26 Jun 2015. This question was also asked by sunish.
    • Photo: Iain Bethune

      Iain Bethune answered on 26 Jun 2015:

      Hi Squiddy, I don’t think it’s expanding into anything – the universe is all that their is! But it is expanding, which is counter-intuitive. I wrote a longer explanation in response to this question:

      What is beyond the universe?

      I hope it helps you understand!