• Question: which is the coldest planet

    Asked by olivia_c_djs to Lucy on 9 Mar 2017.
    • Photo: Lucy Kissick

      Lucy Kissick answered on 9 Mar 2017:

      The surface of Pluto is on average -233° Celsius (not the coldest place in the Solar System, which is probably the shadowed parts of the Moon at -263°C) . Compare that to the coldest temperature ever recorded on Earth: -89°C in Antarctica!!