The first American satellite, Explorer 1, was launched into orbit carrying a cosmic ray experiment designed by Van Allen and his graduate students George H
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The first American satellite, Explorer 1, was launched into orbit carrying a cosmic ray experiment designed by Van Allen and his graduate students George H
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.