Previous evidence of water on Mars now identified as grainflows

By a News Reporter-Staff News Editor at NewsFile -- Dark features previously proposed as evidence for significant liquid water flowing on Mars have now been identified as granular flows, where sand and dust move rather than liquid water, according to a new article published in Nature Geoscience by the U.S. Geological Survey.

These new findings indicate that present-day Mars may not have a significant volume of liquid water. The water-restricted conditions that exist on Mars would make it difficult for Earth-like life to exist near the surface of the planet.

Scientists from the USGS, the University of Arizona, Durham University (England) and the Planetary Science Institute analyzed narrow, down-slope trending surface features on Mars that are …

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(2017-12-04), Previous evidence of water on Mars now identified as grainflows, NewsFile, 181, ISSN: 0000-0000, BUTTER® ID: 014802832