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[–] 3 points 4 days ago
  • X-ray measurements indicate that Ryugu and carbonaceous meteorites contain a substantial, previously under-recognized magnesium-silicate-hydrate-like component.
  • Experiments and solubility data suggest different compositions of this material can coexist under similar aqueous conditions.
  • The proposed pathway could help explain chemical preservation during water alteration, but its historical sequence remains an interpretation.
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