magnetosphere

mag-ne-to-sphere · noun

imported

Definitions

noun

  1. 1.

    The region surrounding a planet where the planet's magnetic field dominates and deflects solar wind particles.

  2. 2.

    The magnetic field of any celestial body that extends into space.

Forms

plural: magnetospheres

Related words

See also: aurora, magnetic field, solar wind

Etymology

From magneto- (relating to magnetism) and sphere (from Greek sphaira meaning "ball, globe").