This image shows evidence for running water on the surface of Mars.
Click on image for full size
Image from: NASA
Martian Running Water
There is plenty of evidence for running water on Mars. But this evidence suggests that the nature of flowing water on Mars is nothing like it's terrestrial counterpart. The evidence is in the form of:
An analysis of this evidence suggests
two possibilities for the way the Martian water cycle may work.
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Separate from the Martian outflow channels, or the river valley networks, are large Martian lakes (600 km, or ~1000 miles across) which exhibit evidence of a periodic and catastrophic release of water
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On Mars, the water is trapped, frozen, within the ground. Nevertheless, there is evidence for running water on Mars. When the water is melted and released to the surface, it will run from higher ground
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On this map of Mars, the lightly cratered Tharsis Ridge is shown, as well as the heavily cratered Martian highlands (near the bottom of the picture), and Valles Marineris to the right. The volcanoes are
...moreThe drawing shows a crossection of the crust, and the unusual altitude variation of the Martian surface. The figure illustrates the depth of frozen ground at various latitudes, called the cryosphere. The
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This is an image of fog in a Martian canyon. The presence of fog provides evidence of water, and a water cycle on Mars. More fog has been seen in images returned by Mars Global Surveyor of the south polar
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The Martian climate is more influenced by the shape of the Martian orbit than the climate of the Earth is influenced by the shape of the Earth's orbit. The orbit of Mars is more oval-shaped than that
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This is an image of a storm moving across the Martian terrain. The camera is looking down upon the storm and the storm front forms a spiral pattern, the same way terrestrial storms are presented on the
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This is image of a Martian sunset illustrates just how thin the Martian atmosphere is. The terrestrial "blue sky" comes about because molecules of the atmosphere scatter sunlight. In this image, the Martian
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