Mineralogy and Petrology of Comet 81P/Wild 2 Nucleus Samples

E. Zolensky, Michael; J. Zega, Thomas; Yano, Hajime; Wirick, Sue; J. Westphal, Andrew; K. Weisberg, Mike; Weber, Iris; L. Warren, Jack; A. Velbel, Michael; Tsuchiyama, Akira; Tsou, Peter; Toppani, Alice; Tomioka, Naotaka; Tomeoka, Kazushige; Teslich, Nick; Taheri, Mitra; Susini, Jean; Stroud, Rhonda; Stephan, Thomas; J. Stadermann, Frank; J. Snead, Christopher; B. Simon, Steven; Simionovici, Alexandre; H. See, Thomas; Robert, François; J. M. Rietmeijer, Frans; Rao, William; C. Perronnet, Murielle; A. Papanastassiou, Dimitri; Okudaira, Kyoko; Ohsumi, Kazumasa; Ohnishi, Ichiro; Nakamura-Messenger, Keiko; Nakamura, Tomoki; Mostefaoui, Smail; Mikouchi, Takashi; Meibom, Anders; Matrajt, Graciela; A. Marcus, Matthew; Leroux, Hugues; Lemelle, Laurence; Le, Loan; Lanzirotti, Antonio; Langenhorst, Falko; N. Krot, Alexander; P. Keller, Lindsay; T. Kearsley, Anton; Joswiak, David; Jacob, Damien; Ishii, Hope; Harvey, Ralph; Hagiya, Kenji; Grossman, Lawrence; N. Grossman, Jeffrey; A. Graham, Giles; Gounelle, Matthieu; Gillet, Philippe; J. Genge, Matthew; Flynn, George; Ferroir, Tristan; Fallon, Stewart; S. Ebel, Denton; Rong Dai, Zu; Cordier, Patrick; Clark, Benton; Chi, Miaofang; L. Butterworth, Anna; E. Brownlee, Donald; C. Bridges, John; Brennan, Sean; Brearley, Adrian; P. Bradley, John; Bleuet, Pierre; A. Bland, Phil; Bastien, Ron

doi:10.1126/science.1135842

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Mineralogy and Petrology of Comet 81P/Wild 2 Nucleus Samples

Shared by NobleBlocks on Dec 15, 2006 • 12:00 AM UTC

Authors:

Michael E. Zolensky

Thomas J. Zega

Hajime Yano

Abstract

The bulk of the comet 81P/Wild 2 (hereafter Wild 2) samples returned to Earth by the Stardust spacecraft appear to be weakly constructed mixtures of nanometer-scale grains, with occasional much larger (over 1 micrometer) ferromagnesian silicates, Fe-Ni sulfides, Fe-Ni metal, and accessory phases. Th...

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