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:
“These words dropped into my childish mind as if you should accidentally drop a ring into a deep well. I did not think of them much at the time, but there came a day in my life when the ring was fished up out of the well, good as new.”
—Harriet Beecher Stowe (1811–1896)
“The first opinion that occurs to us when we are suddenly asked about something is usually not our own but only the current one pertaining to our class, position, or parentage; our own opinions seldom swim on the surface.”
—Friedrich Nietzsche (1844–1900)