Exposed water ice on the nucleus of comet 67P/Churyumov–Gerasimenko

@article{Filacchione2016ExposedWI,
  title={Exposed water ice on the nucleus of comet 67P/Churyumov–Gerasimenko},
  author={G. Filacchione and M. C. Sanctis and F. Capaccioni and A. Raponi and F. Tosi and M. Ciarniello and P. Cerroni and G. Piccioni and M. Capria and E. Palomba and G. Bellucci and S. Erard and D. Bockel{\'e}e-Morvan and C. Leyrat and G. Arnold and M. Barucci and M. Fulchignoni and B. Schmitt and E. Quirico and R. Jaumann and K. Stephan and A. Longobardo and V. Mennella and A. Migliorini and E. Ammannito and J. Benkhoff and J. Bibring and A. Blanco and M. Blecka and R. Carlson and U. Carsenty and L. Colangeli and M. Combes and M. Combi and J. Crovisier and P. Drossart and T. Encrenaz and C. Federico and U. Fink and S. Fonti and W. Ip and P. Irwin and E. Kuehrt and Y. Langevin and G. Magni and T. Mccord and L. Moroz and S. Mottola and V. Orofino and U. Schade and F. Taylor and D. Tiph{\`e}ne and G. Tozzi and P. Beck and N. Biver and L. Bonal and J. Combe and D. Despan and E. Flamini and M. Formisano and S. Fornasier and A. Frigeri and D. Grassi and M. Gudipati and D. Kappel and F. Mancarella and K. Markus and F. Merlin and R. Orosei and G. Rinaldi and M. Cartacci and A. Cicchetti and S. Giuppi and Y. Hello and F. Henry and S. Jacquinod and J. Reess and R. Noschese and R. Politi and G. Peter},
  journal={Nature},
  year={2016},
  volume={529},
  pages={368-372}
}
Although water vapour is the main species observed in the coma of comet 67P/Churyumov–Gerasimenko and water is the major constituent of cometary nuclei, limited evidence for exposed water-ice regions on the surface of the nucleus has been found so far. The absence of large regions of exposed water ice seems a common finding on the surfaces of many of the comets observed so far. The nucleus of 67P/Churyumov–Gerasimenko appears to be fairly uniformly coated with dark, dehydrated, refractory and… Expand
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