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Mars Gullies Show Water Once Flowed

NewYorkCountryLawyer writes "A new analysis of puzzling gullylike features on Mars offers further evidence that water flowed on the Red Planet's surface, perhaps as recently as several hundred thousand years ago. The findings bolster the case that melting snow from a departed Martian ice age carved these gullies, rather than shifting sands or other 'dry' phenomena."

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  1. Re:Where did it go? by sakdoctor · · Score: 4, Informative

    Our combination of gravity, temperature and magnetic field strength means there is negligible loss to the atmosphere even over massive time-scales.

    Thankfully.