Comet 81P/Wild 2 Under a Microscope
Author:
Brownlee Don12345, Tsou Peter12345, Aléon Jérôme12345, Alexander Conel M. O'D.12345, Araki Tohru12345, Bajt Sasa12345, Baratta Giuseppe A.12345, Bastien Ron12345, Bland Phil12345, Bleuet Pierre12345, Borg Janet12345, Bradley John P.12345, Brearley Adrian12345, Brenker F.12345, Brennan Sean12345, Bridges John C.12345, Browning Nigel D.12345, Brucato John R.12345, Bullock E.12345, Burchell Mark J.12345, Busemann Henner12345, Butterworth Anna12345, Chaussidon Marc12345, Cheuvront Allan12345, Chi Miaofang12345, Cintala Mark J.12345, Clark B. C.12345, Clemett Simon J.12345, Cody George12345, Colangeli Luigi12345, Cooper George12345, Cordier Patrick12345, Daghlian C.12345, Dai Zurong12345, D'Hendecourt Louis12345, Djouadi Zahia12345, Dominguez Gerardo12345, Duxbury Tom12345, Dworkin Jason P.12345, Ebel Denton S.12345, Economou Thanasis E.12345, Fakra Sirine12345, Fairey Sam A. J.12345, Fallon Stewart12345, Ferrini Gianluca12345, Ferroir T.12345, Fleckenstein Holger12345, Floss Christine12345, Flynn George12345, Franchi Ian A.12345, Fries Marc12345, Gainsforth Z.12345, Gallien J.-P.12345, Genge Matt12345, Gilles Mary K.12345, Gillet Philipe12345, Gilmour Jamie12345, Glavin Daniel P.12345, Gounelle Matthieu12345, Grady Monica M.12345, Graham Giles A.12345, Grant P. G.12345, Green Simon F.12345, Grossemy Faustine12345, Grossman Lawrence12345, Grossman Jeffrey N.12345, Guan Yunbin12345, Hagiya Kenji12345, Harvey Ralph12345, Heck Philipp12345, Herzog Gregory F.12345, Hoppe Peter12345, Hörz Friedrich12345, Huth Joachim12345, Hutcheon Ian D.12345, Ignatyev Konstantin12345, Ishii Hope12345, Ito Motoo12345, Jacob Damien12345, Jacobsen Chris12345, Jacobsen Stein12345, Jones Steven12345, Joswiak David12345, Jurewicz Amy12345, Kearsley Anton T.12345, Keller Lindsay P.12345, Khodja H.12345, Kilcoyne A.L. David12345, Kissel Jochen12345, Krot Alexander12345, Langenhorst Falko12345, Lanzirotti Antonio12345, Le Loan12345, Leshin Laurie A.12345, Leitner J.12345, Lemelle L.12345, Leroux Hugues12345, Liu Ming-Chang12345, Luening K.12345, Lyon Ian12345, MacPherson Glen12345, Marcus Matthew A.12345, Marhas Kuljeet12345, Marty Bernard12345, Matrajt Graciela12345, McKeegan Kevin12345, Meibom Anders12345, Mennella Vito12345, Messenger Keiko12345, Messenger Scott12345, Mikouchi Takashi12345, Mostefaoui Smail12345, Nakamura Tomoki12345, Nakano T.12345, Newville M.12345, Nittler Larry R.12345, Ohnishi Ichiro12345, Ohsumi Kazumasa12345, Okudaira Kyoko12345, Papanastassiou Dimitri A.12345, Palma Russ12345, Palumbo Maria E.12345, Pepin Robert O.12345, Perkins David12345, Perronnet Murielle12345, Pianetta P.12345, Rao William12345, Rietmeijer Frans J. M.12345, Robert François12345, Rost D.12345, Rotundi Alessandra12345, Ryan Robert12345, Sandford Scott A.12345, Schwandt Craig S.12345, See Thomas H.12345, Schlutter Dennis12345, Sheffield-Parker J.12345, Simionovici Alexandre12345, Simon Steven12345, Sitnitsky I.12345, Snead Christopher J.12345, Spencer Maegan K.12345, Stadermann Frank J.12345, Steele Andrew12345, Stephan Thomas12345, Stroud Rhonda12345, Susini Jean12345, Sutton S. R.12345, Suzuki Y.12345, Taheri Mitra12345, Taylor Susan12345, Teslich Nick12345, Tomeoka Kazu12345, Tomioka Naotaka12345, Toppani Alice12345, Trigo-Rodríguez Josep M.12345, Troadec David12345, Tsuchiyama Akira12345, Tuzzolino Anthony J.12345, Tyliszczak Tolek12345, Uesugi K.12345, Velbel Michael12345, Vellenga Joe12345, Vicenzi E.12345, Vincze L.12345, Warren Jack12345, Weber Iris12345, Weisberg Mike12345, Westphal Andrew J.12345, Wirick Sue12345, Wooden Diane12345, Wopenka Brigitte12345, Wozniakiewicz Penelope12345, Wright Ian12345, Yabuta Hikaru12345, Yano Hajime12345, Young Edward D.12345, Zare Richard N.12345, Zega Thomas12345, Ziegler Karen12345, Zimmerman Laurent12345, Zinner Ernst12345, Zolensky Michael12345
Affiliation:
1. Department of Astronomy, University of Washington, Seattle, WA 98195, USA. 2. Jet Propulsion Laboratory, California Institute of Technology, Pasadena CA 91109–8099, USA. 3. Centre de Spectrometrie Nucleaire et de Spectrometrie de Masse, Bat 104, 91405 Orsay Campus, France. 4. Glenn T. Seaborg Institute, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA. 5. Department of Terrestrial Magnetism, Carnegie Institution, Washington, DC 20015–1305, USA.
Abstract
The Stardust spacecraft collected thousands of particles from comet 81P/Wild 2 and returned them to Earth for laboratory study. The preliminary examination of these samples shows that the nonvolatile portion of the comet is an unequilibrated assortment of materials that have both presolar and solar system origin. The comet contains an abundance of silicate grains that are much larger than predictions of interstellar grain models, and many of these are high-temperature minerals that appear to have formed in the inner regions of the solar nebula. Their presence in a comet proves that the formation of the solar system included mixing on the grandest scales.
Publisher
American Association for the Advancement of Science (AAAS)
Subject
Multidisciplinary
Cited by
827 articles.
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