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magnetosphere Syllabification: mag·ne·to·sphere
Pronunciation: /maɡˈnēdəˌsfir/

Definition of magnetosphere in English:


The region surrounding the earth or another astronomical body in which its magnetic field is the predominant effective magnetic field.
Example sentences
  • August 2 marked the beginning of 10 days of flares and explosions that would stir up the magnetosphere and radiation belts of Earth.
  • Like the Solar Wind, the magnetosphere is full of plasma, consisting of ions and electrons.
  • Observations from Earth showed that Jupiter has a massive magnetosphere and that the planet emits radiation at radio wavelengths.


Pronunciation: /ˌmaɡˌnētəˈsfirik/
Example sentences
  • Though magnetospheric physicists have long puzzled over the mechanism that accelerates the particles inside Earth's cavity, recent observations suggest that the Van Allen radiation belts act as a sort of cosmic particle accelerator.
  • The observations showed a bending of the magnetic field, with the magnetospheric plasma being slowed and deflected by the moon.
  • I work in planetary science, which includes very different fields like geology, atmospheric science, and magnetospheric studies - fields that rarely overlap.
Definition of magnetosphere in:
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