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Planetary science

A wet and altered Mars

Has Mars always been cold and dry or was it once warm and wet? Reanalysis of spacecraft data reveals a signature from the surface rocks that indicates their composition has been altered in the presence of water.

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Figure 1: Mars in relief.

NASA/JPL/MOLA SCIENCE TEAM

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Correspondence to John F. Mustard.

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Mustard, J. A wet and altered Mars. Nature 417, 234–235 (2002). https://doi.org/10.1038/417234a

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  • DOI: https://doi.org/10.1038/417234a

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