Organics captured from comet 81P/Wild 2 by the Stardust spacecraft

Sandford, Scott A. and Aleon, Jerome and Alexander, Conel M. and Araki, Tohru and Bajt, Sasa and Baratta, Giuseppe A. and Borg, Janet and Bradley, John P. and Brownlee, Donald E. and Brucato, John R. and Burchell, Mark J. and Busemann, Henner and Butterworth, Anna and Clemett, Simon J. and Cody, George and Colangeli, Luigi and Cooper, George and d'Hendecourt, Louis and Djouadi, Zahia and Dworkin, Jason P. and Ferrini, Gianluca and Fleckenstein, Holger and Flynn, George J. and Franchi, Ian A. and Fries, Marc and Gilles, Mary K. and Glavin, Daniel P. and Gounelle, Matthieu and Grossemy, Faustine and Jacobsen, Chris and Keller, Lindsay P. and Kilcoyne, A.L. David and Leitner, Jan and Matrajt, Graciela and Meibom, Anders and Mennella, Vito and Mostefaoui, Smail and Nittler, Larry R. and Palumbo, Maria E. and Papanastassiou, Dimitri A. and Robert, Francois and Rotundi, Alessandra and Snead, Christopher J. and Spencer, Maegan K. and Stadermann, Frank J. and Steele, Andrew and Stephan, Thomas and Tsou, Peter and Tyliszczak, Tolek and Westphal, Andrew J. and Wirick, Sue and Wopenka, Brigitte and Yabuta, Hikaru and Zare, Richard N. and Zolensky, Michael E. (2006) Organics captured from comet 81P/Wild 2 by the Stardust spacecraft. Science, 314 (5806). pp. 1720-1724. ISSN 0036-8075. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Organics found in comet 81P/ Wild 2 samples show a heterogeneous and unequilibrated distribution in abundance and composition. Some organics are similar, but not identical, to those in interplanetary dust particles and carbonaceous meteorites. A class of aromatic-poor organic material is also present. The organics are rich in oxygen and nitrogen compared with meteoritic organics. Aromatic compounds are present, but the samples tend to be relatively poorer in aromatics than are meteorites and interplanetary dust particles. The presence of deuterium and nitrogen-15 excesses suggest that some organics have an interstellar/ protostellar heritage. Although the variable extent of modification of these materials by impact capture is not yet fully constrained, a diverse suite of organic compounds is present and identifiable within the returned samples.

Item Type: Article
Subjects: Q Science
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: Mark Burchell
Date Deposited: 02 Sep 2008 13:44
Last Modified: 11 Jul 2014 10:08
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