Why does Earth have a magnetic field, and why does it move with time?
TIA!
In: 5
It migrates relatively slowly due to the swirling nature of the “fluids” inside the Earth which creates the pole in the first place https://youtu.be/QGTPr3CG6GA
Earth is a giant ball of molten nickel and *iron*, with a thin, crispy outer layer.
As the iron moves around inside, the magnetic field it produces shifts its orientation.
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