Ep. 442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal

365 Days of Astronomy - Weekly Edition - A podcast by Fraser Cain & Dr. Pamela L. Gay - Mondays

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Science & Medicine

If we look back into the geologic record of the Earth, it appears that our planet’s magnetic field flips polarity every few hundred thousand years or so. Why does this happen? When’s it supposed to happen next? Is it dangerous?