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Showing 1–9 of 9 results
Advanced filters: Author: D. Bodewits Clear advanced filters

  • Using James Webb Space Telescope observations, spectroscopic identification of a coma of water vapour but no significant CO2 gas coma is found for the main-belt comet 238P/Read, indicating water–ice sublimation.

    • Michael S. P. Kelley
    • Henry H. Hsieh
    • Heidi B. Hammel
    ResearchOpen Access
    Nature
    Volume: 619, P: 720-723

  • 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

  • Images of 67P's nucleus from the Rosetta spacecraft, together with numerical simulations, show that the jet-like features of cometary comae can be produced by diffuse activity focused by the nucleus topography as well as non-uniform insolation over the surface.

    • X. Shi
    • X. Hu
    • J.-B. Vincent
    Research
    Nature Astronomy
    Volume: 2, P: 562-567

  • The size and spatial distribution of pits on comet 67P/Churyumov–Gerasimenko, which are active and probably created by a sinkhole process, imply that large heterogeneities exist in the physical, structural or compositional properties of the first few hundred metres below the current cometary surface.

    • Jean-Baptiste Vincent
    • Dennis Bodewits
    • Cecilia Tubiana
    Research
    Nature
    Volume: 523, P: 63-66

  • The ‘onion-like’ stratification of the two lobes of the comet 67P/Churyumov–Gerasimenko reveals that its unusual shape is the result of a gentle collision merging two kilometre-sized objects in the early stages of the Solar System.

    • Matteo Massironi
    • Emanuele Simioni
    • Jean-Baptiste Vincent
    Research
    Nature
    Volume: 526, P: 402-405

  • Hubble Space Telescope data show that interstellar comet 2I/Borisov has an unusually high CO/H2O ratio—higher than any other comet that has been seen in the inner regions of our Solar System. This allows us to constrain the nature and location of the circumstellar region from which 2I/Borisov originated.

    • D. Bodewits
    • J. W. Noonan
    • Z.-X. Xing
    Research
    Nature Astronomy
    Volume: 4, P: 867-871