magnetosphere, definition of

The region around the earth in which the earth's magnetic field plays a dominant part in controlling the physical processes that take place.

• NASA Records Earth’s “Dawn Chorus” Produced By The Planet’s Magnetosphere
  Previously we reported on the work of two researchers who recorded the ‘sounds of smog’ in and around California, but now NASA has successfully recorded the sound of the entire planet! Using twin spacecrafts known as Radiation Belt Storm Probes...

Related Tags: climate, weather, environment, atmosphere