• Question: what is a planet?

    Asked by weedpuffer12 to Hayley on 20 Mar 2013.
    • Photo: Hayley Evers-King

      Hayley Evers-King answered on 20 Mar 2013:

      A planet is a body that has come together and become rounded under its own gravity, but doesn’t undergo nuclear fusion (then it would be a star).

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