Astronomy
Mars Had Rippled Lakes: Ancient Wave Marks That Challenge Everything We Knew About the Red Planet
A Rippling Martian Lake Under a Warm, Breezy Sky It sounds like something out of science fiction, but NASA’s Curiosity rover just rewrote our understanding of Mars’ ancient climate. Buried within the dusty rocks of Gale Crater are tiny ripples—symmetrical wave ripples, to be precise—that could only have been carved by the gentle oscillations of […]
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