• Question: How Big Is Mars And Is Mars Second Smallest?

    Asked by anon-245470 to Samantha on 10 Mar 2020.
    • Photo: Samantha Faircloth

      Samantha Faircloth answered on 10 Mar 2020:

      Hello Mr K! Mars is about half the size of the Earth with a diameter (from edge to edge) of about 3,400 km. Mercury is the smallest planet and then Mars, so yes, you’re right, Mars is the second smallest 🙂

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