Space-weather phenomenon

Heliosphere

The vast bubble of solar wind and magnetic field that surrounds the entire Solar System, carving out a cavity in the surrounding interstellar medium and shielding the planets from a fraction of the galactic cosmic rays.

Environment & effects

Originates from:The Sun

Related:Solar Wind

Knowledge connections

Associated withThe Sun
Associated withSolar Wind
ContainsHeliopause
Associated withThe Termination Shock
Associated withThe Heliosheath
Associated withThe Heliospheric Bow Wave

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.

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