visiting mars?? Dont drink the water.

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When scientists try to describe what makes Earth special,they usually note that its the "wet planet". Now they will have to come up with some other distinction. The mineral forms only in the presence of low pH water. Acid-lake s are also reservoirs of iron-rich compounds like hematite. translation: they are martian red. If the Red planet did have acid lakes long ago, life enthusiasts have a lot to be, well,enthused about. Although the lakes on earth aren't home to many large flora and fauna, they teem with microbes. Acid lakes also to tend seasonally, and since no one knows if mars has seasons or even weather, the new sediments may provides clues there too.