Paper
What Van Allen found in space
Published Jul 1, 2007 · Abigail Foerstner
Bulletin of the Atomic Scientists
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Abstract
HYSICIST }AMES VAN ALLEN FACED A tense and skeptical crowd of Russian scientists at the July 1959 Cosmic Ray Conference of the International Union of Pure and Applied Physics in Moscow. A year earlier, Van Alien had made the space age's first seminal scientific discovery: The instruments he designed and placed aboard Explorer I, the maiden U.S. satellite, ~ and Explorer Ill revealed that natu~ ral belts of radiation surround Earth _ ~ across thousands of miles of space. ~ ~ The University of Iowa profes~ h sor came to Moscow to discuss this ~ ~ finding. But many of the conference ~ ~
James Van Allen discovered natural radiation belts surrounding Earth using instruments on Explorer I and III satellites, revolutionizing our understanding of space.
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