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Space hazard

Plasma Environment

The ionised gas that pervades near-Earth space, from the ionosphere out through the magnetosphere. Its density and energy govern spacecraft charging, radio propagation, and the behaviour of the radiation belts.

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.