The complex history of Earth's magnetic reversals
Throughout Earth's long geologic history, the magnetic pole has not remained stable.
Throughout Earth's long geologic history, the magnetic pole has not remained stable.
Earth Sciences
Dec 11, 2018
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(PhysOrg.com) -- The Earth's magnetic poles flip around every 200,000 years or so, with north becoming south and vice versa. Normally, the process takes 4-5,000 years and it ought to be impossible for the flip to be much ...