The diurnal cycle of water ice on comet 67P/Churyumov–Gerasimenko

M. C. De Sanctis (), F. Capaccioni, M. Ciarniello, G. Filacchione, M. Formisano, S. Mottola, A. Raponi, F. Tosi, D. Bockelée-Morvan, S. Erard, C. Leyrat, B. Schmitt, E. Ammannito, G. Arnold, M. A. Barucci, M. Combi, M. T. Capria, P. Cerroni, W.-H. Ip, E. Kuehrt, T. B. McCord, E. Palomba, P. Beck and E. Quirico
Additional contact information
M. C. De Sanctis: Istituto di Astrofisica e Planetologia Spaziali – INAF
F. Capaccioni: Istituto di Astrofisica e Planetologia Spaziali – INAF
M. Ciarniello: Istituto di Astrofisica e Planetologia Spaziali – INAF
G. Filacchione: Istituto di Astrofisica e Planetologia Spaziali – INAF
M. Formisano: Istituto di Astrofisica e Planetologia Spaziali – INAF
S. Mottola: Institute for Planetary Research, DLR
A. Raponi: Istituto di Astrofisica e Planetologia Spaziali – INAF
F. Tosi: Istituto di Astrofisica e Planetologia Spaziali – INAF
D. Bockelée-Morvan: LESIA-Observatoire de Paris, CNRS, Université Pierre et Marie Curie, Université Paris Diderot
S. Erard: LESIA-Observatoire de Paris, CNRS, Université Pierre et Marie Curie, Université Paris Diderot
C. Leyrat: LESIA-Observatoire de Paris, CNRS, Université Pierre et Marie Curie, Université Paris Diderot
B. Schmitt: Université Grenoble Alpes – CNRS Institut de Planetologie et Astrophysique de Grenoble, Batiment D de Physique
E. Ammannito: Istituto di Astrofisica e Planetologia Spaziali – INAF
G. Arnold: Institute for Planetary Research, DLR
M. A. Barucci: LESIA-Observatoire de Paris, CNRS, Université Pierre et Marie Curie, Université Paris Diderot
M. Combi: Oceanic and Space Sciences, University of Michigan
M. T. Capria: Istituto di Astrofisica e Planetologia Spaziali – INAF
P. Cerroni: Istituto di Astrofisica e Planetologia Spaziali – INAF
W.-H. Ip: National Central University
E. Kuehrt: Institute for Planetary Research, DLR
T. B. McCord: Bear Fight Institute
E. Palomba: Istituto di Astrofisica e Planetologia Spaziali – INAF
P. Beck: Université Grenoble Alpes – CNRS Institut de Planetologie et Astrophysique de Grenoble, Batiment D de Physique
E. Quirico: Université Grenoble Alpes – CNRS Institut de Planetologie et Astrophysique de Grenoble, Batiment D de Physique

Nature, 2015, vol. 525, issue 7570, 500-503

Abstract: Observations of water ice on the surface of comet 67P/Churyumov–Gerasimenko show the ice appearing and disappearing in a cyclic pattern that follows local illumination conditions, providing a source of localized activity and leading to cycling modification of the ice abundance on the surface.

Date: 2015
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DOI: 10.1038/nature14869

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