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User / Kjartan Guðmundur / Aurora Borealis
Kjartan Guðmundur Júlíusson / 1,006 items
Birkland current Aurora, One from Geitarhlíð in Krísuvík, Iceland.

" A Birkland current usually refers to the electric currents in a planet's ionosphere that follows magnetic field lines (ie field-aligned currents), and sometimes used to described any field-aligned electric current in a space plasma. They are caused by the movement of a plasma perpendicular to a magnetic field".
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Dates
  • Taken: Nov 9, 2018
  • Uploaded: Nov 11, 2018
  • Updated: Mar 8, 2019