Two important clues — coarse sediment grains and cobbles — suggest a dried-up...
."The more powerful the flow of water, the more easily it’s able to move larger pieces of material."
One location in the Jezero Crater, nicknamed “Skrinkle Haven,” has curved layers that scientists determined were formed by powerfully flowing water. But there is debate on if this river was more like the Mississippi River, which winds snakelike across the landscape, orA second location, dubbed"Pinestand," is a hill with sedimentary layers that curve toward the sky — some as high as 66 feet.
"These layers are anomalously tall for rivers on Earth,” Ives said. “But at the same time, the most common way to create these kinds of landforms would be a river.”. It is searching for signs of tiny ancient life forms, and it's collecting rock and dirt samples that a future mission could return to Earth to be studied in high-powered labs.
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