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Here in this episode, we go over why Earth acted like a giant magnet and the fact that the magnetic poles are not stationary. It is speculated to have been caused by convection currents and the proof for magnetic poles not being stationary is the strips or bands of differently aligned batches of magma in the mid ocean ridges.
dynamo theory image (convection currents)
change of magnetic poles
mid ocean ridge strips
Here in this episode, we go over why Earth acted like a giant magnet and the fact that the magnetic poles are not stationary. It is speculated to have been caused by convection currents and the proof for magnetic poles not being stationary is the strips or bands of differently aligned batches of magma in the mid ocean ridges.
dynamo theory image (convection currents)
change of magnetic poles
mid ocean ridge strips