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The Injun program was a series of six satellites designed and built by researchers at the University of Iowa to observe various radiation and magnetic phenomena in the ionosphere and beyond. The design specifics of the satellites had little in common, though all were solar-powered and the first five used magnetic stabilization to control spacecraft attitude. (The last in the series was spin-stabilized). Instruments included particle detectors of varying types, magnetometers, and photometers for observing auroras. The last three satellites were launched as part of the Explorer program of the NASA.

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  • Injun (fr)
  • Injun (satellite) (en)
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  • Injun est une série de six petits satellites scientifiques américains placés en orbite entre 1963 et 1974 conçus pour étudier l'ionosphère et plus généralement la magnétosphère terrestre. Ils ont tous en commun d'avoir été conçus et assemblés par une équipe de l'université d'Iowa. Les trois derniers satellites ont été incorporés dans le programme Explorer réunissant des missions scientifiques de faible cout de la NASA. (fr)
  • The Injun program was a series of six satellites designed and built by researchers at the University of Iowa to observe various radiation and magnetic phenomena in the ionosphere and beyond. The design specifics of the satellites had little in common, though all were solar-powered and the first five used magnetic stabilization to control spacecraft attitude. (The last in the series was spin-stabilized). Instruments included particle detectors of varying types, magnetometers, and photometers for observing auroras. The last three satellites were launched as part of the Explorer program of the NASA. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/330-PSA-23-62_(USN_711010)_(21846525811).jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/EXPLORER_40.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Hawkeye-1.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Injun_3.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Injun_4_(Explorer_25)_satellite.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Transit-4A_Injun-1_Solrad-3.jpg
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  • The Injun program was a series of six satellites designed and built by researchers at the University of Iowa to observe various radiation and magnetic phenomena in the ionosphere and beyond. The design specifics of the satellites had little in common, though all were solar-powered and the first five used magnetic stabilization to control spacecraft attitude. (The last in the series was spin-stabilized). Instruments included particle detectors of varying types, magnetometers, and photometers for observing auroras. The last three satellites were launched as part of the Explorer program of the NASA. In spite of various hardware difficulties and the loss of Injun 2 due to an upper stage failure, the program was generally successful. In particular, they produced data on the Van Allen radiation belts including electrical convection in the magnetosphere, and the radiation after effects of the Starfish Prime high-altitude nuclear test. (en)
  • Injun est une série de six petits satellites scientifiques américains placés en orbite entre 1963 et 1974 conçus pour étudier l'ionosphère et plus généralement la magnétosphère terrestre. Ils ont tous en commun d'avoir été conçus et assemblés par une équipe de l'université d'Iowa. Les trois derniers satellites ont été incorporés dans le programme Explorer réunissant des missions scientifiques de faible cout de la NASA. (fr)
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