作者: Claire B. Dardano , Jack L. Warren , Clyde A. Sapp , Ronald P. Bernhard , Thomas H. See
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摘要: Since the return of Long Duration Exposure Facility (LDEF) in January, 1990, members Meteoroid and Debris Special Investigation Group (M&D SIG) at Johnson Space Center (JSC) Houston, Texas have been examining LDEF hardware an effort to expand knowledge base regarding low-Earth orbit (LEO) particulate environment. In addition various investigative activities, JSC is also location general & database. This publicly accessible database contains information obtained from M&D SIG investigations, as well limited data by individual Principal Investigators. exposed approximately 130 m(exp 2) surface area LEO environment, 15.4 which was occupied structural frame components (i.e., longerons intercoastals) spacecraft. The reported here a result detailed scans intercoastals, 68 reside JSC. amount presently available on A0178 thermal control blankets last year will not be reiterated here. presented are measurements crater diameters their frequency occurrence flux).