• Question: Why are some planets cold and why are some hot

    Asked by Baggins123 to Kate on 8 Nov 2016.
    • Photo: Kate Elliott

      Kate Elliott answered on 8 Nov 2016:

      It depends if they have atmospheres or not. Atmospheres can act like blankets keeping the planet warm. Certain things can make that blanket warmer – like carbon dioxide. That’s why we have to try to reduce the planets carbon emissions so we don’t get too hot!

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