Ring Current

A ring current is an electric current carried by charged particles trapped in a planet's magnetosphere. It is caused by the longitudinal drift of energetic (10–200 keV) particles.

Read more about Ring Current:  Earth's Ring Current, The Ring Current and Geomagnetic Storms

Famous quotes containing the words ring and/or current:

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    Of his bones are coral made;
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    Nothing of him that doth fade,
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    Into something rich and strange.
    Sea-nymphs hourly ring his knell:
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    Rebellious, the storm it wooeth,
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    —Mikhail Lermontov (1814–1841)