magnetospheric ring current

magnetospheric ring current

[mag′nēd·ə‚sfir·ik ¦riŋ ‚kə·rənt]
(geophysics)
A belt of charged particles around the earth whose perturbations give rise to ionospheric storms.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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