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4-billion-year-old 'Rosetta Stone' found in Sahara Desert could unlock the secret history of water on Mars

Space.com4-billion-year-old 'Rosetta Stone' found in Sahara Desert could unlock the secret history of water on Mars
Image: Space.com

A rock discovered in the Sahara Desert formed more than 4.1 billion years ago, making it one of the oldest Martian meteorites ever found. The ancient space rock offers a rare glimpse into the formation of Mars' early crust and its possible interaction with…

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