The Curiosity rover recently found rocks etched with the ripples of waves in the foothills of a Martian mountain.
It’s a place researchers say they never expected to find evidence of an ancient lake, thinking the area would only show evidence of mere trickles of water.
NASA’s Curiosity rover has found what researchers are calling the “clearest evidence yet” that an ancient lake existed on Mars. The rocks were too hard for the rover to extract samples, but as its trek continues, researchers hope the rover will eventually find some softer spots from which to collect samples.Researchers believe the region holds clues about how and why Mars morphed from a watery planet into the frozen place it is today and if it means any microbial life forms ever existed on the planet.
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