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Seasonal Freezing and Thawing on Mars
- 11/25/08
On Mars, the stuff we know as "dry ice," or frozen carbon dioxide, is a powerful agent for change. In winter, it forms a polar ice cap. In spring, it becomes an expanding gas that carves channels in the surface and sends loose debris into landslides.
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NASA Space Craft Detects Buried Glaciers on Mars
NASA’s Mars Reconnaissance Orbiter has revealed vast Martian glaciers of water ice under protective blankets of rocky debris at much lower latitudes than any ice previously identified on the Red Planet.
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Unusual Mound in North Polar Layered Deposits
Martian Polar Layer Erosion Looks Striking In a newly released image from NASA's Mars Reconnaissance Orbiter, an unusual mound punctuates dramatic stripes of Martian polar terrain where icy layers are eroding.
University of Arizona release >>
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NASA Orbiter Reveals Rock Fracture Plumbing On Mars
NASA's Mars Reconnaissance Orbiter has revealed hundreds of small fractures exposed on the Martian surface that billions of years ago directed flows of water through underground Martian sandstone.
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A Tribute to Mars Exploration
As Americans celebrate Labor Day 2008, six flags stand in silent salute to the U.S. workforce on Mars. Three of the flags are on spacecraft still exploring Mars.
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NASA Spacecraft Photographs Avalanches on Mars
A NASA spacecraft in orbit around Mars has taken the first ever image of active avalanches near the Red Planet's north pole.
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more news
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| Peeling Back Layers of a Martian Polar Ice Cap |
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| Carbon-Dioxide Frost Settling from Seasonal Outbursts |
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| Video Exploration of Details in Athabasca Valles on Mars |
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