Links to More Information
For technical information on the Explorer I satellite and Jupiter-C launch vehicle:
  • Sputnik Exhibition (

  • To see the announcement of the US IGY earth satellite program:

  • For information on the IGY:

  • Visit the Explorer Photo Gallery:
  • Sputnik Photo Gallery (

  • For more information on the NAS Technical Panel on the Earth Satellite Program:
  • Sputnik Chapter 6 (
  • Sputnik Chapter 13 (

  • Back to the Explorer

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