On May 23, 1967, a highly active sunspot region, McMath Region 8818, produced a series of solar flares. The events were massive, including a rare white-light flare and one of the largest solar radio bursts ever recorded – so large, in fact, that they jammed the U.S.’s Ballistic Missile Early Warning System. The system wasContinue reading “May 23, 1967: A solar flare jams missile detectors”
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