University of Arkansas researchers have used chemistry and geology to create a model that may explain the mystery of how modern-day gullies form on the surface of Mars.
Earth Sciences
Feb 9, 2009
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Geologists from Brown University have found new evidence that glacier-like ice deposits advanced and retreated multiple times in the midlatitude regions of Mars in the relatively recent past.
Space Exploration
Jan 28, 2015
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(PhysOrg.com) -- Dead zones in critical waterways, accelerated loss of arable land and massive famines. They're all caused by the 24 billion tons of soil that are lost every year to erosion, a phenomenon that costs the world ...
Earth Sciences
Oct 12, 2009
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While Mars is known as the red planet, a variety of colors can be found on the planet's surface. Just like on Earth, the array of colors we can see in images from Mars comes from the diverse minerals on or just under the ...
Planetary Sciences
Oct 13, 2021
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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 to the landscape ...
Space Exploration
Nov 16, 2012
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When the water in the Mississippi River rose to 58 feet with a forecast of 60 feet or higher in May 2011, the emergency plan to naturally or intentionally breach the levees, established over 80 years prior, was put in motion. ...
Environment
Jan 19, 2012
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Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last 10 years. The flows typically occur when seasonal frost is present.
Space Exploration
Apr 6, 2018
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The gullies of Mars have fascinated scientists since they were first identified through high-definition images transmitted to Earth by the Mars Global Surveyor in the late 1990s.
Space Exploration
Feb 6, 2015
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Groundwater flow and seepage can form large gullies along coastal cliffs in the matter of days, it has been discovered, as per a recently-published paper.
Earth Sciences
Jan 12, 2021
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Viscous, lobate flow features are commonly found at the bases of slopes in the mid-latitudes of Mars, and are often associated with gullies.
Space Exploration
Mar 8, 2017
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