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Liquid Water Once Flowed on the Surface of Mars
NASA's Rover found ripples in Martian rock that resemble the wave patterns on a sandy lake bed on Earth. The ripples could ...
Smithsonian Magazine7d
Curiosity Rover Spots Ancient Water Ripples on Mars, Hinting at a Past With Shallow, Ice-Free Lakes
The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface ...