radiation belt

  1. Van Allen Radiation Belt
    The Van Allen radiation belt is a torus of energetic charged particles (plasma) around Earth, which is held in place by Earth's magnetic field. ...
    http://www.youtube.com/watch?v=dyl1LsB7Xr8

  2. The Van Allen radiation belt is a torus of energetic charged particles (i.e. a plasma) around Earth, trapped by Earth's magnetic field. The Van Allen belts ...

  3. In this way the Earth holds on to its radiation belts. ... The inner radiation belt discovered by Van Allen is relatively compact, extending perhaps one ...