Impact features on Stardust: Implications for comet 81P/Wild 2 dust

Horz, Friedrich and Bastien, Ron and Borg, Janet and Bradley, John P. and Bridges, John C. and Brownlee, Donald E. and Burchell, Mark J. and Chi, Miaofang and Cintala, Mark J. and Dai, Zurong and Djouadi, Zahia and Dominguez, Gerardo and Economou, Thanasis E. and Fairey, Sam A. J. and Floss, Christine and Franchi, Ian A. and Graham, Giles A. and Green, Simon F. and Heck, Philipp and Hoppe, Peter and Huth, Joachim and Ishii, Hope A. and Kearsley, Anton T. and Kissel, Jochen and Leitner, Jan and Leroux, Hugues and Marhas, Kuljeet and Messenger, Keiko and Schwandt, Craig S. and See, Thomas A. and Snead, Christopher J. and Stadermann, Frank J. and Stephan, Thomas and Stroud, Rhonda and Teslich, Nicholas and Trigo-Rodriguez, Josep M. and Tuzzolino, Anthony J. and Troadec, David and Tsou, Peter and Warren, Jack and Westphal, Andrew J. and Wozniakiewicz, Penelope J. and Wright, Ian P. and Zinner, Ernst (2006) Impact features on Stardust: Implications for comet 81P/Wild 2 dust. Science, 314 (5806). pp. 1716-1719. 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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Particles emanating from comet 81P/ Wild 2 collided with the Stardust spacecraft at 6.1 kilometers per second, producing hypervelocity impact features on the collector surfaces that were returned to Earth. The morphologies of these surprisingly diverse features were created by particles varying from dense mineral grains to loosely bound, polymineralic aggregates ranging from tens of nanometers to hundreds of micrometers in size. The cumulative size distribution of Wild 2 dust is shallower than that of comet Halley, yet steeper than that of comet Grigg-Skjellerup.

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 13:09
Last Modified: 02 May 2014 13:59
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