NASA's Curiosity rover discovered symmetric ripple marks in Gale Crater on Mars, providing strong evidence that the Red Planet once had flowing liquid water. These wave ripples, found in two separate lakebeds, indicate that Mars had a denser and warmer atmosphere than previously thought, potentially allowing for microbial life to exist for a longer period.
The ultimate action-packed science and technology magazine bursting with exciting information about the universeEngaging articles, amazing illustrations & exclusive interviewsNASA’s Mars Curiosity rover discovered symmetric ripple marks at two separate spots within the Red Planet’s Gale Crater — offering strong evidence that Mars was flowed with open, liquid water.. The finding is evidence that not all water on the Red Planet was covered in ice, as some Martian climate models suggest.
"The shape of the ripples could only have been formed under water that was open to the atmosphere and acted upon by wind," study first authorThe researchers also analyzed the height and spacing of the ripple waves to determine the size of the lake that formed them. The structures are approximately 0.2 inches tall and about 1.6 to 2 inches apart, indicating they were left by small waves.
MARS LIQUID WATER CURIOSITY ROVER ANCIENT ATMOSPHERE MICROBIAL HABITABILITY
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