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magnetosphere

/mag-nee-tuh-sfeer/US // mægˈni təˌsfɪər //UK // (mæɡˈniːtəʊˌsfɪə) //

磁气圈,磁气层,磁层,磁气团

Definitions

n.名词 noun
  1. 1

    Astronomy.

    • : the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts.Compare magnetopause.
    • : such a region of another planet: Jupiter's magnetosphere.

Examples

  • We needed a moon for tidal action, plate tectonics, magnetosphere, and these are just rare in the universe.

  • Future satellite observations could confirm whether electrons from the magnetosphere are pouring into the atmosphere in the region of a STEVE picket fence, he says.

  • Those night lights are instead generated by electrons raining down on the atmosphere from inside the magnetosphere.