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.