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A recent study by a team of planet scientists has confirmed that Mars once had conditions conducive to the existence of H2O and a more dense atmosphere.
Using data from the Mars Reconnaissance Orbiter cameras, the scientists found paleodunes and riverbeds that indicate the influence of winds and water flows on the Martian landscape.
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According to expert Matthew Hojnacki, many of the dunes found are identical to the current dunes, but appear more damaged.
