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flag Study suggests Mars' large mounds were formed by ancient water, hinting at a watery past.

flag A new study in Nature Geoscience reveals that thousands of mysterious mounds in Mars' Chryse Planitia, spanning an area as large as Texas, were likely formed by ancient water erosion 4 to 3.8 billion years ago. flag These mounds, similar to Earth's Monument Valley formations, act as time capsules showing Mars' water-rich past and could be explored by the ESA's ExoMars Rosalind Franklin rover, launching in 2028.

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