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:

    I saw Eternity the other night,
    Like a great ring of pure and endless light,
    Henry Vaughan (1622–1695)

    Without the Empire we should be tossed like a cork in the cross current of world politics. It is at once our sword and our shield.
    William Morris Hughes (1864–1952)