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Showing 1–4 of 4 results
Advanced filters: Author: Mauro Ciarniello Clear advanced filters

  • The seasonal colour variations of comet 67P’s nucleus observed in the visible wavelengths by the VIRTIS mapping spectrometer throughout the whole Rosetta mission are driven by the evolution of metre-scale water-enriched blocks homogeneously distributed across the nucleus, periodically exposed to sunlight by CO2 sublimation.

    • Mauro Ciarniello
    • Marco Fulle
    • Gabriele Arnold
    Research
    Nature Astronomy
    Volume: 6, P: 546-553

  • Juno’s close flyby of Ganymede on 7 June 2021 allowed the infrared mapping spectrometer JIRAM to observe the surface at unprecedented spatial resolution. JIRAM’s detailed spectroscopic characterization reveals past extensive aqueous alteration on the moon, possibly together with hydrothermal activity.

    • Federico Tosi
    • Alessandro Mura
    • Diego Turrini
    Research
    Nature Astronomy
    Volume: 8, P: 82-93

  • When the Philae lander bounced on the surface of comet 67P/Churyumov–Gerasimenko, it exposed primitive icy-dust material within cometary boulders; the intrinsic strength and porosity of this material is reported.

    • Laurence O’Rourke
    • Philip Heinisch
    • Holger Sierks
    Research
    Nature
    Volume: 586, P: 697-701

  • Spectral analysis of the VIRTIS dataset shows two opposite seasonal colour cycles in the coma and on the surface of comet 67P/Churyumov–Gerasimenko, indicating an orbital water-ice cycle.

    • Gianrico Filacchione
    • Fabrizio Capaccioni
    • Stefano Mottola
    Research
    Nature
    Volume: 578, P: 49-52