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Two independent and primitive envelopes of the bilobate nucleus of comet 67P

Author

Listed:
  • Matteo Massironi

    (University of Padova
    Centro di Ateneo di Studi ed Attività Spaziali “Giuseppe Colombo” (CISAS), University of Padova)

  • Emanuele Simioni

    (CNR-IFN UOS Padova LUXOR)

  • Francesco Marzari

    (University of Padova)

  • Gabriele Cremonese

    (INAF, Osservatorio Astronomico di Padova)

  • Lorenza Giacomini

    (University of Padova)

  • Maurizio Pajola

    (Centro di Ateneo di Studi ed Attività Spaziali “Giuseppe Colombo” (CISAS), University of Padova)

  • Laurent Jorda

    (Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille), UMR 7326)

  • Giampiero Naletto

    (Centro di Ateneo di Studi ed Attività Spaziali “Giuseppe Colombo” (CISAS), University of Padova
    CNR-IFN UOS Padova LUXOR
    University of Padova)

  • Stephen Lowry

    (The University of Kent, School of Physical Sciences)

  • Mohamed Ramy El-Maarry

    (Physikalisches Institut der Universität Bern)

  • Frank Preusker

    (Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung)

  • Frank Scholten

    (Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung)

  • Holger Sierks

    (Max-Planck-Institut für Sonnensystemforschung)

  • Cesare Barbieri

    (University of Padova)

  • Philippe Lamy

    (Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille), UMR 7326)

  • Rafael Rodrigo

    (Centro de Astrobiologia, CSIC-INTA
    International Space Science Institute)

  • Detlef Koschny

    (Scientific Support Office, European Space Research and Technology Centre/ESA)

  • Hans Rickman

    (Uppsala University
    PAS Space Research Center)

  • Horst Uwe Keller

    (Institut für Geophysik und extraterrestrische Physik (IGEP), Technische Universität Braunschweig)

  • Michael F. A’Hearn

    (University of Maryland
    Akademie der Wissenschaften zu Göttingen and Max-Planck-Institut für Sonnensystemforschung)

  • Jessica Agarwal

    (Max-Planck-Institut für Sonnensystemforschung)

  • Anne-Thérèse Auger

    (Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille), UMR 7326)

  • M. Antonella Barucci

    (LESIA-Observatoire de Paris, CNRS, Université Pierre et Marie Curie, Universite Paris Diderot)

  • Jean-Loup Bertaux

    (LATMOS, CNRS/UVSQ/IPSL)

  • Ivano Bertini

    (Centro di Ateneo di Studi ed Attività Spaziali “Giuseppe Colombo” (CISAS), University of Padova)

  • Sebastien Besse

    (Scientific Support Office, European Space Research and Technology Centre/ESA)

  • Dennis Bodewits

    (University of Maryland)

  • Claire Capanna

    (Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille), UMR 7326)

  • Vania Da Deppo

    (CNR-IFN UOS Padova LUXOR)

  • Björn Davidsson

    (Uppsala University)

  • Stefano Debei

    (University of Padova)

  • Mariolino De Cecco

    (University of Trento)

  • Francesca Ferri

    (Centro di Ateneo di Studi ed Attività Spaziali “Giuseppe Colombo” (CISAS), University of Padova)

  • Sonia Fornasier

    (LESIA-Observatoire de Paris, CNRS, Université Pierre et Marie Curie, Universite Paris Diderot)

  • Marco Fulle

    (INAF—Osservatorio Astronomico)

  • Robert Gaskell

    (Planetary Science Institute)

  • Olivier Groussin

    (Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille), UMR 7326)

  • Pedro J. Gutiérrez

    (Instituto de Astrofisica de Andalucia (CSIC))

  • Carsten Güttler

    (Max-Planck-Institut für Sonnensystemforschung)

  • Stubbe F. Hviid

    (Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung
    Max-Planck-Institut für Sonnensystemforschung)

  • Wing-Huen Ip

    (National Central University, Graduate Institute of Astronomy)

  • Jörg Knollenberg

    (Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung)

  • Gabor Kovacs

    (Max-Planck-Institut für Sonnensystemforschung)

  • Rainer Kramm

    (Max-Planck-Institut für Sonnensystemforschung)

  • Ekkehard Kührt

    (Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung)

  • Michael Küppers

    (European Space Astronomy Centre/ESA)

  • Fiorangela La Forgia

    (University of Padova)

  • Luisa M. Lara

    (Instituto de Astrofisica de Andalucia (CSIC))

  • Monica Lazzarin

    (University of Padova)

  • Zhong-Yi Lin

    (National Central University, Graduate Institute of Astronomy)

  • Josè J. Lopez Moreno

    (Instituto de Astrofisica de Andalucia (CSIC))

  • Sara Magrin

    (University of Padova)

  • Harald Michalik

    (Institut für Datentechnik und Kommunikationsnetze der TU Braunschweig)

  • Stefano Mottola

    (Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung)

  • Nilda Oklay

    (Max-Planck-Institut für Sonnensystemforschung)

  • Antoine Pommerol

    (Physikalisches Institut der Universität Bern)

  • Nicolas Thomas

    (Physikalisches Institut der Universität Bern)

  • Cecilia Tubiana

    (Max-Planck-Institut für Sonnensystemforschung)

  • Jean-Baptiste Vincent

    (Max-Planck-Institut für Sonnensystemforschung)

Abstract

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.

Suggested Citation

  • Matteo Massironi & Emanuele Simioni & Francesco Marzari & Gabriele Cremonese & Lorenza Giacomini & Maurizio Pajola & Laurent Jorda & Giampiero Naletto & Stephen Lowry & Mohamed Ramy El-Maarry & Frank , 2015. "Two independent and primitive envelopes of the bilobate nucleus of comet 67P," Nature, Nature, vol. 526(7573), pages 402-405, October.
    • Handle: RePEc:nat:nature:v:526:y:2015:i:7573:d:10.1038_nature15511
    DOI: 10.1038/nature15511
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