Van Allen radiation

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• Van Allen radiation belt — Van Allen radiation belts 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. It is believed that most of the particles that form the belts come from… …   Wikipedia

• Van Allen radiation belt — ☆ Van Allen radiation belt [van al′ən ] n. 〚after James A. Van Allen (1914 ), U.S. physicist〛 1. a broad, doughnut shaped region surrounding the earth and composed of high energy electrons and protons trapped in the earth s magnetic field at… …   Universalium

• Van Allen radiation belts — Van Allen belts, Van Allen radiation belts /van alˈən (rā di āˈshən) belts/ plural noun Either of two rings of intense particle radiation surrounding the earth at a distance of above 1200 miles (1930km) from it ORIGIN: JA Van Allen (1914–2006),… …   Useful english dictionary

• Van Allen radiation belt — ☆ Van Allen radiation belt [van al′ən ] n. [after James A. Van Allen (1914 ), U.S. physicist] 1. a broad, doughnut shaped region surrounding the earth and composed of high energy electrons and protons trapped in the earth s magnetic field at… …   English World dictionary

• van allen radiation belt — va]ˈnalə̇n , və] noun Usage: usually capitalized V&A Etymology: after James A. Van Allen b1914 American physicist : a belt of intense ionizing radiation that surrounds the earth in the outer atmosphere, has particles carrying energies of from… …   Useful english dictionary

• Van Allen radiation belt — noun a) Either of two torus shaped areas of high energy charged particles which partly surround Earth, trapped by its magnetic field. The areas are characterised by intense radiation. When the belts overload , particles strike the upper… …   Wiktionary

• Van Allen radiation belts — Two doughnut shaped zones of highly energetic charged particles (see electric charge) trapped at high altitudes in Earth s magnetic field. Named for James A. Van Allen (b. 1914), who discovered them in 1958, they are most intense over the Equator …   Universalium

• Van Allen Radiation Belts — two belts of charged particles in the Earth’s magnetic field discovered in 1958 by J A Van Allen, United States …   Eponyms, nicknames, and geographical games

• Van-Allen-Gürtel — Van Allen Strahlungsgürtel Der Van Allen Strahlungsgürtel (benannt nach James van Allen) ist ein Ring (Torus) energiereicher geladener Teilchen, die durch das magnetische Feld der Erde eingefangen werden. Diese Teilchen stammen überwiegend vom… …   Deutsch Wikipedia

• Van Allen beltsVan Allen radiation belts — Van Allen belts, Van Allen radiation belts /van alˈən (rā di āˈshən) belts/ plural noun Either of two rings of intense particle radiation surrounding the earth at a distance of above 1200 miles (1930km) from it ORIGIN: JA Van Allen (1914–2006),… …   Useful english dictionary

• Van Allen — may refer to:* Van Allen Building, a four story building * Van Allen radiation belt, a torus of energetic charged particles around EarthPeople named Van Allen:* Cornelius Van Allen Van Dyck (1819 1895), American missionary * James Van Allen (1914 …   Wikipedia