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Smail Mostefaoui

Researcher at Max Planck Society

Publications -  72
Citations -  4300

Smail Mostefaoui is an academic researcher from Max Planck Society. The author has contributed to research in topics: Chondrite & Meteorite. The author has an hindex of 23, co-authored 63 publications receiving 4071 citations. Previous affiliations of Smail Mostefaoui include National Museum of Natural History & University of Paris.

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Comet 81P/Wild 2 under a microscope.

Donald E. Brownlee, +185 more
- 15 Dec 2006 - 
TL;DR: The Stardust spacecraft collected thousands of particles from comet 81P/Wild 2 and returned them to Earth for laboratory study, and preliminary examination shows that the nonvolatile portion of the comet is an unequilibrated assortment of materials that have both presolar and solar system origin.
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Mineralogy and petrology of comet 81P/wild 2 nucleus samples

Michael E. Zolensky, +75 more
- 15 Dec 2006 - 
TL;DR: The bulk of the comet 81P/Wild 2 samples returned to Earth by the Stardust spacecraft appear to be weakly constructed mixtures of nanometer-scale grains, with occasional much larger ferromagnesian silicates, Fe-Ni sulfides,Fe-Ni metal, and accessory phases.
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Organics captured from comet 81P/Wild 2 by the Stardust spacecraft.

TL;DR: The presence of deuterium and nitrogen-15 excesses suggest that some organics have an interstellar/protostellar heritage and a diverse suite of organic compounds is present and identifiable within the returned samples.
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Isotopic Compositions of Cometary Matter Returned by Stardust

TL;DR: Hydrogen, carbon, nitrogen, and oxygen isotopic compositions are heterogeneous among comet 81P/Wild 2 particle fragments; however, extreme isotopic anomalies are rare, indicating that the comet is not a pristine aggregate of presolar materials.
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60Fe: A Heat Source for Planetary Differentiation from a Nearby Supernova Explosion

TL;DR: In this paper, the in situ discovery of 60Ni isotopic anomalies attributable to the decay of short-lived 60Fe (half-life 1.5 Myr) in the mineral phases troilite and magnetite (Fe3O4).