Physics
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24..497f&link_type=abstract
In Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F p 497-498 (SEE N94-12015 01-91)
Physics
2
Aerodynamic Heating, Atmospheric Entry, Chemical Composition, Chemical Indicators, Depletion, Interplanetary Dust, Asteroids, Comets, Sulfur, Zinc
Scientific paper
The degree of heating of interplanetary dust particles (IDP's) on Earth atmospheric entry is important in distinguishing cometary particles from main-belt asteroidal particles. Depletions in the volatile elements S and Zn were proposed as chemical indicators of significant entry heating. The S and Zn contents of cosmic dust particles were correlated with physical indicators of atmospheric entry heating, such as the production of magnetite and the loss of solar wind implanted He. The results indicate that the Zn content of IDP's is a useful indicator of entry heating, but the S content seems to be less useful.
Bajt Saa
Flynn George James
Keller Lindsay P.
Kloeck Wolfgang
Sutton Richard S.
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