Explorer 1 and the Van Allen Belts

Highlights

• ›First US satellite; discovered the radiation belts

Missions, people & worlds

• NASA
• Van Allen Radiation Belts

Knowledge connections

• Part ofDawn of the Space Age
• Associated withNASA
• Associated withVan Allen Radiation Belts

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.