Van Allen Belts
When Explorer I, America's first satellite, was launched in early 1958, it contained a payload of miniaturized instruments designed to study the regions surrounding the earth in space....
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American physicist (b. Sept. 7, 1914,
Mount Pleasant, Iowa
—d. Aug. 9, 2006,
Iowa City, Iowa
), brought about new understanding of cosmic radiation and its effects on Earth with his discove...
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