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Space Pioneer, Physicist James Van Allen Dies at 91

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IOWA CITY, Iowa, Aug. 9, 2006 -- Physicist James A. Van Allen, a US space pioneer who discovered the bands of intense radiation surrounding the Earth that now bear his name, died this morning at the age of 91. A statement about Van Allen's death was released today by the University of Iowa, where he taught physics and general astronomy from 1951-85. The highlight of Van Allen's career, the university said, was his use of instruments carried aboard the first successful US satellite, Explorer 1, in 1958 to discover the radiation bands -- now known as the Van Allen radiation belts -- surrounding the Earth. It came at...Read full article

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    Published: August 2006
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    radiation
    The emission and/or propagation of energy through space or through a medium in the form of either waves or corpuscular emission.
    telescope
    An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant objects more distinct, by enlarging their images on the retina.
    astronomyBasic Sciencedefensefuzeshigh-altitudeIGYJames Van AllenNASANews & FeaturesPioneer 10radiationrockoonspace explorationtelescopeUniversity of IowaVan Allen

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