Radiation Hazard in Space from Solar Particles

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Science  20 Dec 1963:
Vol. 142, Issue 3599, pp. 1587-1592
DOI: 10.1126/science.142.3599.1587


There were about six solar flare events during the last solar cycle which would have exposed a space traveler to serious radiation from solar particles. The radiation from two of these events was intense enough to necessitate extra precautions being taken to protect space travelers.