• Question: Why is Mercury so dense?

    Asked by Achsu to Betty, Isaac, Kieran, Silvia, Will on 11 Nov 2016. This question was also asked by SpaceFan★★★★★.
    • Photo: Isaac Llorens

      Isaac Llorens answered on 11 Nov 2016:

      Mercury is the second more dense planet in the solar system, the Earth is slightly more dense.Like the Earth, Mercury is a rocky planet with lots of iron which make it of similar density. Other planets like Jupiter are less dense because are made of hydrogen and helium, much less dense.

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