• Question: Which planet in the solar system is the hottest?

    Asked by adam2605 to Lewis on 13 Mar 2017.
    • Photo: Lewis Wright

      Lewis Wright answered on 13 Mar 2017:


      Whilst Mercury is the closest planet to the Sun, it is actually the second planet, Venus, that is the hottest.

      Venus has thick clouds of CO2 in its atmosphere, and has experience runaway greenhouse effect – the same thing that is happening on Earth with global warming!

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