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  • Articles containing video clips
  • Explorers Program
  • Individual spacecraft in the Smithsonian Institution
  • First artificial satellites of a country
  • Geospace monitoring satellites
  • Satellites formerly orbiting Earth
  • 1958 in the United States
  • Spacecraft launched in 1958
  • Spacecraft which reentered in 1970

Explorer 1

0 words updated Jun 17, 2026, 5:53 PM

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