Mars had rivers on its surface : Study
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The Mars surface contained water more than 3.5 billion years ago.
A region of Mars named Aeolis Dorsa had some of the most spectacular and densely packed river deposits seen on the planet.
The deposits formed due to water flowing now exist as ridges.
Researchers at two US colleges used high-resolution images and topographic data from cameras on orbiting satellites to come to the conclusion.
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Sep 21
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