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News From the Field

Evidence For a Martian Ocean

July 16, 2013

comparison of exhumed delta in sedimentary rocks Researchers at the California Institute of Technology (Caltech) have discovered evidence for an ancient delta on Mars where a river might once have emptied into a vast ocean. This ocean, if it existed, could have covered much of Mars's northern hemisphere-stretching over as much as a third of the planet. Full Story

California Institute of Technology

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