The Highest Temperature on Mercury Is 700 K, Which Is

question 128

Multiple Choice

The highest temperature on Mercury is 700 K, which is 50 K LESS than the highest temperature on Venus. How, then, can Mercury experience the greatest temperature range in the solar system? Which of these does NOT contribute to this great range of temperature?

• A) Mercury has no significant atmosphere to retain heat on its night side.
• B) Mercury has no greenhouse gases to keep the planet warm at night.
• C) The ice near the poles contributes to the very cold night temperature.
• D) Mercury has a slow rotation rate, which allows it to cool off easily on the night side.

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