• Question: how do you think the earth started?

    Asked by anon-223310 to Sreejita, Sam, Kate, Anastasia, Adam on 20 Nov 2019.
    • Photo: Anastasia Aliferi

      Anastasia Aliferi answered on 20 Nov 2019:


      The big bang sounds very reasonable.

    • Photo: Adam Wootton

      Adam Wootton answered on 20 Nov 2019:


      It started a long, long time ago – 4.5 billion years. Our galaxy, the Milky Way, had just started to form, and lots of bits of gas and dust swirled together with gravity, forming our planet.

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