NASA NTRS · 19750048340
Light flashes observed by astronauts on Skylab 4
Abstract
Two dedicated light flash observing sessions were conducted by one of the crewmen during the Skylab 4 mission. Analyses of his observations reveal a strong correlation between flash frequency and primary cosmic-ray flux, and an even stronger correlation between flash frequency and the South Atlantic Anomaly (SAA) region of the inner belt trapped radiation. Calculations indicate that an all-proton inner belt probably cannot produce the observed SAA flash rate, and they suggest that there may exist a previously unobserved inner belt flux of multiply charged nuclei.
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Pinsky, L. S., Osborne, W. Z., Hoffman, R. A., Bailey, J. V.. 1975-05-30. Light flashes observed by astronauts on Skylab 4. https://ntrs.nasa.gov/citations/19750048340
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