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Showing 1–4 of 4 results
Advanced filters: Author: A. Moussi-Soffys Clear advanced filters

  • The MicrOmega imaging spectrometer performed a first characterization of the sample returned from asteroid Ryugu by Hayabusa2. Compositional homogeneity dominates down to millimetre scales, with signatures of hydrated phases and organics. At the submillimetre scale, NH-rich compounds and alteration products such as carbonates are detected.

    • C. Pilorget
    • T. Okada
    • J.-P. Bibring
    Research
    Nature Astronomy
    Volume: 6, P: 221-225

  • Hydrated ammonium–magnesium–phosphorus-rich grains have been discovered in Ryugu samples. Embedded within an organic-rich phyllosilicate matrix, they may have been a key source of phosphorus and nitrogen in early terrestrial water reservoirs.

    • C. Pilorget
    • D. Baklouti
    • Y. Tsuda
    Research
    Nature Astronomy
    Volume: 8, P: 1529-1535

  • The MASCOT lander observed a boulder on the surface of asteroid Ryugu up close. The boulder’s low thermal inertia is closer to fine regolith or comets rather than stony boulders, indicating high porosity and low tensile strength. Orbit measurements confirm that Ryugu’s surface is covered with similar boulders.

    • M. Grott
    • J. Knollenberg
    • A. Moussi-Soffys
    Research
    Nature Astronomy
    Volume: 3, P: 971-976