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Showing 1–8 of 8 results
Advanced filters: Author: D. Baklouti Clear advanced filters

  • 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

  • A statistical study of the ~2.7 µm hydration band in the Ryugu samples shows that Ryugu’s immediate subsurface has not been exposed to space weathering and that even the pristine CI chondrites exhibit terrestrial contamination, making the Hayabusa2 samples a reference for primitive water abundance in carbonaceous asteroids.

    • T. Le Pivert-Jolivet
    • R. Brunetto
    • S. Watanabe
    Research
    Nature Astronomy
    Volume: 7, P: 1445-1453

  • The COSIMA mass spectrometer on the Rosetta spacecraft has analysed the solid organic matter found in dust particles emitted by comet 67P/Churyumov–Gerasimenko; this matter is similar to the insoluble organic matter extracted from carbonaceous chondrites such as the Murchison meteorite, but is perhaps more primitive.

    • Nicolas Fray
    • Anaïs Bardyn
    • Martin Hilchenbach
    Research
    Nature
    Volume: 538, P: 72-74

  • Grains collected from comet 67P/Churyumov-Gerasimenko by the Rosetta mission come from a dusty crust that is predicted to be imminently shed as the comet nears the Sun; the grains are high in sodium and fluffy, not icy, suggesting that they are the precursors of interplanetary dust particles.

    • Rita Schulz
    • Martin Hilchenbach
    • Boris Zaprudin
    Research
    Nature
    Volume: 518, P: 216-218

  • MicrOmega characterized the population of carbonates detected in the bulk components and in individual grains of the Ryugu returned samples. Two main carbonate families are detected, which were likely formed via two distinct processes at different stages in the early Solar System.

    • D. Loizeau
    • C. Pilorget
    • S. Watanabe
    Research
    Nature Astronomy
    Volume: 7, P: 391-397

  • Using a trait-based model that resolves key zooplankton groups, the authors reveal future shifts to food webs dominated by carnivorous and gelatinous filter-feeding zooplankton. Subsequent decreases in food nutrition are linked to declines in small pelagic fish biomass, particularly in tropical regions.

    • Ryan F. Heneghan
    • Jason D. Everett
    • Anthony J. Richardson
    ResearchOpen Access
    Nature Climate Change
    Volume: 13, P: 470-477