Four-hundred-foot tsunamis may have shaped the surface of Mars — and the deposits from the waves could offer up proof to researchers of whether or not the planet was once habitable, The Guardian reports. According to the study done by the Planetary Science Institute, the giant waves might have been formed after two large meteorites slammed into the planet — and the tsunamis would possibly have been powerful enough to shape the coast of Mars' ancient ocean.
The study was launched after scientists noticed discrepancies between the shoreline of Mars' long-gone ocean and the expected features of such a body of water. Scientists then examined two deposits, which they believe are the remnants of dual tsunamis that occurred several million years apart.
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