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Showing 1–7 of 7 results
Advanced filters: Author: S. Debei Clear advanced filters

  • A bright outburst of activity from the nucleus of comet 67P, observed by Rosetta in July 2015, is traced back to a cliff that partially collapsed at the same time as the outburst, establishing a link between the two events. The collapse has also exposed the fresh ice present under the surface.

    • M. Pajola
    • S. Höfner
    • E. Baratti
    Research
    Nature Astronomy
    Volume: 1, P: 1-8

  • 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

  • The peculiar object P/2010 A2, discovered in January 2010, is in an asteroidal orbit in the inner main asteroid belt and was given a cometary designation because of the presence of a trail of material. These authors report observations of P/2010 A2 by the Rosetta spacecraft. They conclude that the trail arose from a single event, an asteroid collision that occurred around 10 February 2009.

    • Colin Snodgrass
    • Cecilia Tubiana
    • K.P. Wenzel
    Research
    Nature
    Volume: 467, P: 814-816