In 1958 this scientist found donut-shaped zones of charged particles high in the Earth's magnetic field
[DOC] [TLE] New Twists in Earth's Radiation Belts  American Scientist [PAR] Rings of high-energy particles encircling our planet change more than ... Late in 
the evening of January 31, 1958, a 32-ton Juno I rocket blasted into space from 
Cape ... in doughnut-shaped rings, or toroids, of high-energy, high-intensity 
radiation.