Sentences with phrase «shaped radiation belts»
Earth's magnetic field deflects most solar electrons and traps others in doughnut - shaped radiation belts that girdle the planet.
http://www.sciencemag.org/ Not exact matches
The radiation belts are two donut - shaped regions of highly energetic particles trapped in the Earth's magnetic field — the inner, located just above our atmosphere and extending 4,000 miles into space; and the outer, from 8,000 to 26,000 miles out — and are named for their discoverer (as are the probes), the late James A. Van Allen of the University of Iowa.