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Van Allen radiation belt |
Also found in: Acronyms, Wikipedia, Hutchinson | 0.02 sec. |
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Van Allen radiation belt [va′nal·ən ‚rād·ē′a·shən ‚belt] (geophysics) One of the belts of intense ionizing radiation in space about the earth formed by high-energy charged particles which are trapped by the geomagnetic field. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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While the first Pioneer blew up shortly after its 1958 launch and the next three didn't meet their main goal of photographing the surface of the moon, they did provide valuable information about the Van Allen radiation belts. The solar gas takes 50 to 70 hours to reach the Earth, where it interacts with the Van Allen radiation belt, a perpetual cloud of high-energy particles that surrounds the equator like a doughnut. Similar bands, the Van Allen radiation belts, surround Earth. |
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