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Van Allen belts

См. также в других словарях:

  • Van Allen 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 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 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 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… …   Universalium

  • Van Allen , James Alfred — (1914–) American physicist Van Allen was born at Mount Pleasant, Iowa. After graduating from the Iowa Wesleyan College in 1935 he went on to the University of Iowa, where he gained his PhD in 1939. His subsequent career took him to the Carnegie… …   Scientists

  • 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 — name of radiation belts around the Earth (and certain other planets), 1939, from U.S. physicist James A. Van Allen (1914 2006), who reported them in 1958 …   Etymology dictionary

  • Van Allen, James A. — ▪ American physicist in full  James Alfred Van Allen  born Sept. 7, 1914, Mount Pleasant, Iowa, U.S. died Aug. 9, 2006, Iowa City, Iowa  American physicist, whose discovery of the Van Allen radiation belts (Van Allen radiation belt), two zones of …   Universalium

  • Van Allen, James Alfred — ▪ 2007  American physicist (b. Sept. 7, 1914, Mount Pleasant, Iowa d. Aug. 9, 2006, Iowa City, Iowa), brought about new understanding of cosmic radiation and its effects on Earth with his discovery of the Van Allen radiation belts, two zones of… …   Universalium

  • 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

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