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geomagnetism |
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geomagnetism: see magnetism magnetism, force of attraction or repulsion between various substances, especially those made of iron and certain other metals; ultimately it is due to the motion of electric charges. ..... Click the link for more information. . geomagnetism [¦jē·ō′mag·nə‚tiz·əm] (geophysics) The magnetism of the earth. Also known as terrestrial magnetism. The branch of science that deals with the earth's magnetism. 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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When the Earth's magnetic field captures ionized particles carried by the solar wind, geomagnetically induced currents can flow through the power system, entering and exiting the many grounding points on a transmission network. Also deployed was a low-light television camera, which recorded the images produced as the geomagnetically trapped and spiraling electrons fired in pulses by the gun ionized neutral atoms of the upper atmosphere. Geomagnetically induced currents (GIC) are produced when shocks from severe magnetic storms interrupt the Earth's normally stable magnetic field. |
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