News tagged with gullies

Melt water on Mars could sustain life

Near surface water has shaped the landscape of Mars. Areas of the planet's northern and southern hemispheres have alternately thawed and frozen in recent geologic history and comprise striking similarities ...

Nov 16, 2012
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Are gas-formed gullies the norm on Mars?

In June 2000, Martian imaging scientists made a striking discovery — data from NASA’s Mars Global Surveyor spacecraft found gullies on the red planet. Gullies on Earth form when water runs down steep ...

Dec 06, 2011
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