Sierks, Holger, Barbieri, Cesare, Lamy, Philippe L., Rodrigo, Rafael, Koschny, Detlef, Rickman, Hans ORCID: 0000-0002-9603-6619, Keller, Horst Uwe, Agarwal, Jessica, A'Hearn, Michael F., Angrilli, Francesco, Auger, Anne-Therese, Barucci, M. Antonella, Bertaux, Jean-Loup, Bertini, Ivano ORCID: 0000-0002-0616-2444, Besse, Sebastien ORCID: 0000-0002-1052-5439, Bodewits, Dennis, Capanna, Claire, Cremonese, Gabriele ORCID: 0000-0001-9021-1140, Da Deppo, Vania ORCID: 0000-0001-6273-8738, Davidsson, Bjoern, Debei, Stefano ORCID: 0000-0002-6757-6616, De Cecco, Mariolino, Ferri, Francesca ORCID: 0000-0003-2395-5275, Fornasier, Sonia, Fulle, Marco, Gaskell, Robert, Giacomini, Lorenza, Groussin, Olivier, Gutierrez-Marques, Pablo, Gutierrez, Pedro J., Guettler, Carsten, Hoekzema, Nick, Hviid, Stubbe F., Ip, Wing-Huen, Jorda, Laurent, Knollenberg, Joerg, Kovacs, Gabor ORCID: 0000-0002-6431-0556, Kramm, J. Rainer, Kuehrt, Ekkehard, Kueppers, Michael, La Forgia, Fiorangela ORCID: 0000-0003-3924-1867, Lara, Luisa M., Lazzarin, Monica, Leyrat, Cedric, Moreno, Jose J. Lopez, Magrin, Sara, Marchi, Simone, Marzari, Francesco, Massironi, Matteo ORCID: 0000-0002-7757-8818, Michalik, Harald, Moissl, Richard, Mottola, Stefano, Naletto, Giampiero ORCID: 0000-0003-2007-3138, Oklay, Nilda, Pajola, Maurizio ORCID: 0000-0002-3144-1277, Pertile, Marco, Preusker, Frank, Sabau, Lola, Scholten, Frank, Snodgrass, Colin ORCID: 0000-0001-9328-2905, Thomas, Nicolas, Tubiana, Cecilia ORCID: 0000-0001-8475-9898, Vincent, Jean-Baptiste, Wenzel, Klaus-Peter, Zaccariotto, Mirco and Paetzold, Martin (2015). On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko. Science, 347 (6220). WASHINGTON: AMER ASSOC ADVANCEMENT SCIENCE. ISSN 1095-9203

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Abstract

Images from the OSIRIS scientific imaging system onboard Rosetta show that the nucleus of 67P/Churyumov-Gerasimenko consists of two lobes connected by a short neck. The nucleus has a bulk density less than half that of water. Activity at a distance from the Sun of >3 astronomical units is predominantly from the neck, where jets have been seen consistently. The nucleus rotates about the principal axis of momentum. The surface morphology suggests that the removal of larger volumes of material, possibly via explosive release of subsurface pressure or via creation of overhangs by sublimation, may be a major mass loss process. The shape raises the question of whether the two lobes represent a contact binary formed 4.5 billion years ago, or a single body where a gap has evolved via mass loss.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Sierks, HolgerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barbieri, CesareUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lamy, Philippe L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rodrigo, RafaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koschny, DetlefUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rickman, HansUNSPECIFIEDorcid.org/0000-0002-9603-6619UNSPECIFIED
Keller, Horst UweUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Agarwal, JessicaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
A'Hearn, Michael F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Angrilli, FrancescoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Auger, Anne-ThereseUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barucci, M. AntonellaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bertaux, Jean-LoupUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bertini, IvanoUNSPECIFIEDorcid.org/0000-0002-0616-2444UNSPECIFIED
Besse, SebastienUNSPECIFIEDorcid.org/0000-0002-1052-5439UNSPECIFIED
Bodewits, DennisUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Capanna, ClaireUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cremonese, GabrieleUNSPECIFIEDorcid.org/0000-0001-9021-1140UNSPECIFIED
Da Deppo, VaniaUNSPECIFIEDorcid.org/0000-0001-6273-8738UNSPECIFIED
Davidsson, BjoernUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Debei, StefanoUNSPECIFIEDorcid.org/0000-0002-6757-6616UNSPECIFIED
De Cecco, MariolinoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ferri, FrancescaUNSPECIFIEDorcid.org/0000-0003-2395-5275UNSPECIFIED
Fornasier, SoniaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fulle, MarcoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gaskell, RobertUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Giacomini, LorenzaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Groussin, OlivierUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gutierrez-Marques, PabloUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gutierrez, Pedro J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Guettler, CarstenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hoekzema, NickUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hviid, Stubbe F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ip, Wing-HuenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jorda, LaurentUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Knollenberg, JoergUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kovacs, GaborUNSPECIFIEDorcid.org/0000-0002-6431-0556UNSPECIFIED
Kramm, J. RainerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kuehrt, EkkehardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kueppers, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
La Forgia, FiorangelaUNSPECIFIEDorcid.org/0000-0003-3924-1867UNSPECIFIED
Lara, Luisa M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lazzarin, MonicaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leyrat, CedricUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moreno, Jose J. LopezUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Magrin, SaraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marchi, SimoneUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marzari, FrancescoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Massironi, MatteoUNSPECIFIEDorcid.org/0000-0002-7757-8818UNSPECIFIED
Michalik, HaraldUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moissl, RichardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mottola, StefanoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Naletto, GiampieroUNSPECIFIEDorcid.org/0000-0003-2007-3138UNSPECIFIED
Oklay, NildaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pajola, MaurizioUNSPECIFIEDorcid.org/0000-0002-3144-1277UNSPECIFIED
Pertile, MarcoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Preusker, FrankUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sabau, LolaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scholten, FrankUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Snodgrass, ColinUNSPECIFIEDorcid.org/0000-0001-9328-2905UNSPECIFIED
Thomas, NicolasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tubiana, CeciliaUNSPECIFIEDorcid.org/0000-0001-8475-9898UNSPECIFIED
Vincent, Jean-BaptisteUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wenzel, Klaus-PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zaccariotto, MircoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Paetzold, MartinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-414400
DOI: 10.1126/science.aaa1044
Journal or Publication Title: Science
Volume: 347
Number: 6220
Date: 2015
Publisher: AMER ASSOC ADVANCEMENT SCIENCE
Place of Publication: WASHINGTON
ISSN: 1095-9203
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
EVOLUTION; OSIRIS; STATEMultiple languages
Multidisciplinary SciencesMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/41440

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