In 1958 this scientist found donut-shaped zones of charged particles high in the Earth's magnetic field
[DOC] [TLE] Earth's Magnetic Field ( Van Allen Radiation Belts, 1958) Eric Angat ... [PAR] Earth's Magnetic Field ( Van Allen Radiation Belts, 1958) Eric Angat ... are 
doughnut- shaped zones of highly energetic charged particles trapped at high 
altitudes in the magnetic field of Earth.