Department of Geomagnetism

Web page of the Department of Earth Science Institute SAS

Dynamo or Gyroscope?

Published in: Geomagnetic field


  • Why are  the planetary and astrophysical magnetic fields prevailingly dipolar?
  • Why  is rotation of the cosmic body necessary for their existence?
  • What causes their time changes?
  • What causes their deflection from rotational symmetry?
  • Can the notion of a free-charge gyroscope explain their existence?


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