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Not a sea, but a seep, on Mars

Salt deposits could have come from groundwater, not standing water.

Opportunity's view of Meridiani Planum hinted at signs of water. Credit: NASA


  1. Andrews-Hanna J., et al. Nature, 446. 163 - 166 (2007).

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Sanderson, K. Not a sea, but a seep, on Mars. Nature (2007).

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