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Fig. 1 Bright-Field TEM Image of a Mineral Assemblage from Comet Wild 2

Caption: Fig. 1 Bright-field TEM image of a mineral assemblage from Comet Wild 2. Mg-rich silicates, such as pyroxene (MgSiO3; Px) are intermixed with amorphous silicates (Am) and nanoscale Fe-Ni sulfides (black arrowheads). The aerogel capture material occurs around the assemblage.

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