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Quiet time energy spectra of heavy nuclei from 20 to 400 keV/amuGlass track detectors were exposed to cosmic rays on the moon from December 11 to 13, 1972, during a period of relatively quiet sun activity as inferred from satellite proton counters. From 80 to 400 keV/amu, the differential flux of heavy cosmic ray nuclei decreases roughly as E to the -2nd power; this result together with the greater flux from the solar than the antisolar direction identify these nuclei as solar in origin.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Woods, R. T.
(State Univ. of N. Y. Albany, United States)
Hart, H. R., Jr.
(General Electric Co. Schenectady, NY, United States)
Fleischer, R. L.
(General Electric Co. Schenectady, NY, United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1973
Publication Information
Publication: NASA. Johnson Space Center Apollo 17 Prelim. Sci. Rept.
Subject Category
Space Radiation
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.
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