Other
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009m%26ps...44..471b&link_type=abstract
Meteoritics & Planetary Science, vol. 44, Issue 4, p.471-484
Other
3
Organic Matter, Cosmic Dust, Aerogel, Comet(S)
Scientific paper
Infrared spectroscopy maps of some tracks made by cometary dust from 81P/Wild 2 impacting Stardust aerogel reveal an interesting distribution of organic material. Out of six examined tracks, three show presence of volatile organic components possibly injected into the aerogel during particle impacts. When particle tracks contained volatile organic material, they were found to be -CH2- rich, while the aerogel is dominated by the -CH3-rich contaminant. It is clear that the population of cometary particles impacting the Stardust aerogel collectors also includes grains that contained little or none of this organic component. This observation is consistent with the highly heterogeneous nature of collected grains, as seen by a multitude of other analytical techniques.
Bajt Saa
Bradley John P.
Flynn George James
Matrajt Graciela
Sandford Scott A.
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