• Question: How did the universe start? If the answer is the big bang how did the big bang happen if there was nothing there before it?

    Asked by Aoife. to Mark on 7 Nov 2016.
    • Photo: Mark Kennedy

      Mark Kennedy answered on 7 Nov 2016:

      Most likely, the Universe started with the Big Bang. How did the Big Bang start? That’s an amazing question, and one that no one has an answer to, and we probably won’t get one soon.

      We live in a 4 dimensional space – the 3 dimensions of space you are used to and also time. What started the Universe most likely exists in a higher dimension, which means we can’t see it!

      At the moment, this is a very philosophical question, and one you should debate with your classmates.

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