Hydrated dunes suggest water can persist on some parts of the Martian surface, according to data from China's troubled Zhurong rover.
The researchers found that the dunes, which date to between 400,000 and 1.4 million years old, were rich in hydrated sulfates and possibly contain chlorides. “This is important for understanding the evolutionary history of the Martian climate, looking for a habitable environment, and providing key clues for the future search for life,” Qin said.
A graphic showing the counter map of the region, and ridges and cracks that suggest previous liquid water presence.Based on the age of the dunes, they may have been hydrated when water vapor moved from the planet’s polar ice sheet to its equator, making the planet’s lower latitudes more humid.
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