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preliminary results from the chemistry of micrometeoroid experiment (ao 187-1)The purpose of experiment AO 187-1 was to expose high purity substrates of suitable cratering properties to obtain detailed crater statistics that may be converted into projectile masses and fluxes and to chemically characterize as many impactors as possible. The latter information would hopefully reveal distinct classes of natural and man-made particles in low-Earth orbit. It was found that crater that yield residues show that natural and man-made impactors may be differentiated and that diversity exists within each group. 'Chondritic' compositions dominate among natural particles, yet some craters contain unmelted fragments of minerals (Olivine and pyroxene).
Document ID
19910015691
Document Type
Conference Paper
Authors
Horz, Friedrich
(A & B Design Engineering Co., Inc., West Acton MA., United States)
Bernhard, R. P.
(A & B Design Engineering Co., Inc., West Acton MA., United States)
See, Thomas H.
(Lockheed Engineering and Sciences Co. Houston, TX., United States)
Warren, J.
(Lockheed Engineering and Sciences Co. Houston, TX., United States)
Brownlee, Don E.
(Washington Univ. Seattle., United States)
Laurance, M.
(Washington Univ. Seattle., United States)
Date Acquired
September 6, 2013
Publication Date
June 1, 1991
Publication Information
Publication: NASA, Langley Research Center, First LDEF Post-Retrieval Symposium Abstracts
Subject Category
ASTROPHYSICS
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19910015658Analytic PrimaryFirst LDEF Post-Retrieval Symposium abstracts