• Question: how big is mars?

    Asked by anon-271254 to Hayley on 27 Nov 2020.
    • Photo: Hayley and the Mars Rover

      Hayley and the Mars Rover answered on 27 Nov 2020:

      Mars is the 2nd smallest planet in our solar system, after Mercury. It is 6780km or 4220 miles from one side to the other, which means it is only slightly more than half the size of Earth!

      If you put all of the land on Earth together, that is about the size of Mars!

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