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Space Pioneer James van Allen Dies
Space Pioneer James van Allen Dies
9 Aug 2006
(Source: NASA/JPL-Caltech)

James van Allen died today at the age of 91. The highlight of Van Allen's long and distinguished career was his use of UI-built instruments carried aboard the first successful U.S. satellite, Explorer 1, in 1958 to discover bands of intense radiation -- later known as the Van Allen radiation belts -- surrounding the Earth.

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Last Updated: 9 Aug 2006