Water on Mars

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Artist's impression ancient Mars, based on geological data.

Water on Mars is almost entirely ice with small quantities of vapour in the atmosphere[1] and occasionally low-volume liquid brines in shallow soil.[2]

River valleys and outflow channels

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Gullies

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Glaciers

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Ground ice

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Ancient lake

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References

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  1. Jakosky, B.M. (1992) "The Seasonal Behavior of Water on Mars" in Kieffer, H.H. , ed. Mars, Tucson, AZ: University of Arizona Press, pp. 969–1,016
  2. Ojha, L. (2015). "Spectral evidence for hydrated salts in recurring slope lineae on Mars". Nature Geoscience. DOI:10.1038/ngeo2546.
  3. Chang, Kenneth (December 9, 2013). "On Mars, an Ancient Lake and Perhaps Life". New York Times.
  4. Various (December 9, 2013). "Science – Special Collection – Curiosity Rover on Mars". Science.