CME, IMF, interplanetary magnetic fields, sector boundary, Mercury, Comet Encke 2007, planets, polar, polarity, reversal, planetary dipole, bow shock, irradiance, DE disconnect events, sun, comets, radiation, termination, charge, discharge, disconnect, reconnect, fluctuations, plasma mediums, absorb, adsorb, iononize, electron, neutrons, protons, auroral display, ionosphere, earth weather
