Martian Geysers Spew Ice, Dust
Media Release
Aug. 22, 2006

Spring on Mars comes in like a lion, according to a new theory.

Geysers formed by warming temperatures spew dust and ice hundreds of feet into Mars's air, scientists write in the latest edition of the journal Nature.

An artist's conception shows the violent thawing, which takes place near the planet's south pole (satellite map of Mars).

Mars's polar ice caps expand each winter as carbon dioxide in the planet's atmosphere freezes, the researchers say. But during spring, warmer weather slowly melts the expanded ice.

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Website: http://news.nationalgeographic.com/news/2006/08/060821-mars-geysers.html

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