0 Question: What is the closest planet to the sun? Keywords: planet, Solar System, space, sun Asked by 11elelad to James, Marcus, Martin, Rob, Suzanne on 19 Mar 2012.
Marcus Gallagher-Jones answered on 19 Mar 2012:
Mercury. It’s surface temperature can be over 400 degrees Celsius.
Martin Zaltz Austwick answered on 19 Mar 2012:
Mercury. Though I still think Venus is hotter, because of the Greenhouse effect.
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