Keller, L.P. and Bajt, S. and Baratta, G.A. and Borg, J. and Bradley, J.P. and Brownlee, D.E. and Busemann, H. and Brucato, J.R. and Burchell, M.J. and Colangeli, L. and d'Hendecourt, L. and Djouadi, Z. and Ferrini, G. and Flynn, G. and Franchi, I.A. and Fries, M. and Grady, M.M. and Graham, G.A. and Grossemy, F. and Kearsley, A.T. and Matrajt, G. and Nakamura-Messenger, K. and Mennella, V. and Nittler, L. and Palumbo, M.E. and Stadermann, F.J. and Tsou, P. and Rotundi, A. and Sandford, S.A. and Snead, C. and Steele, A. and Wooden, D. and Zolensky, M. (2006) Infrared spectroscopy of comet 81P/Wild 2 samples returned by Stardust. Science, 314 (5806). pp. 1728-1731. ISSN 0036-8075.
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Infrared spectra of material captured from comet 81P/Wild 2 by the Stardust spacecraft reveal indigenous aliphatic hydrocarbons similar to those in interplanetary dust particles thought to be derived from comets, but with longer chain lengths than those observed in the diffuse interstellar medium. Similarly, the Stardust samples contain abundant amorphous silicates in addition to crystalline silicates such as olivine and pyroxene. The presence of crystalline silicates in Wild 2 is consistent with mixing of solar system and interstellar matter. No hydrous silicates or carbonate minerals were detected, which suggests a lack of aqueous processing of Wild 2 dust.
|Divisions:||Faculties > Science Technology and Medical Studies > School of Physical Sciences|
|Depositing User:||Mark Burchell|
|Date Deposited:||02 Sep 2008 13:35|
|Last Modified:||24 Jul 2012 14:58|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/5069 (The current URI for this page, for reference purposes)|
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