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Ci Chondrite

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Chang’e-6 lunar dust uncovers fingerprints of water-rich asteroids
science1 month ago

Chang’e-6 lunar dust uncovers fingerprints of water-rich asteroids

Seven olivine-bearing fragments in Chang’e-6 lunar dust carry chemical fingerprints of CI-like chondrites—the first such relics found in lunar samples—implying that water-rich asteroids contributed material to the Moon (and likely early Earth) far more often than Earth meteorite records indicate, and that lunar regolith preserves these fragile signatures.