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Instrument class · Particle flux, energy, and species

Charged-Particle Detector

An instrument that counts and characterises the electrons, ions, and cosmic rays of space plasmas — mapping radiation belts, the solar wind, and energetic-particle events.

Instruments of this class

  • Voyager Cosmic Ray Subsystem (CRS)Instrument

    The Voyager cosmic-ray detectors, whose measurements of the sudden change in particle counts marked each spacecraft's crossing of the heliopause into interstellar space.

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • 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.