Ep. 442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal
365 Days of Astronomy - Weekly Edition
English - March 07, 2017 20:31 - 1 hour - 55.9 MB - ★★★★★ - 14 ratingsNatural Sciences Science astronomy space science planets supernova black holes telescopes telescope Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
Previous Episode: Astronomical Night Before Christmas, pt. 3, by Pamela Gay
Next Episode: Ep. 443: Destroy and Rebuild Pt. 7: Tsunamis
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?