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Which polar cap on Mars is larger and colder?

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βˆ™ 2009-09-24 21:05:28

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Mars Polar Cap

The southern polar cap is larger and colder. It is composed of carbon dioxide (dry ice) while the northern is mainly water ice (which freezes at a warmer temperature, therefore the dry ice cap in the south is colder).

2009-09-24 21:05:28
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