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Ancient Martian Lake System Records Two Water-Related Events

Current and former graduate students at Brown, including PhD student Tim Goudge, combined images from NASA’s CTX instrument with mineralogical data from NASA’s CRISM orbiting spectrometer to create a geologic history of flowing water on the surface of Mars nearly 4 billion years ago. The new analysis is in Jezero Crater, near the planet’s equator. The study finds that the onslaught of water that filled the crater was one of at least two separate periods of water activity in the region surrounding Jezero.

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