Friday, March 3, 2017

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

New post on Universe Today

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

by Fraser Cain

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?

Visit the Astronomy Cast Page to subscribe to the audio podcast!

We usually record Astronomy Cast as a live Google+ Hangout on Air every Friday at 1:30 pm Pacific / 4:30 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page.

Fraser Cain | March 2, 2017 at 3:13 pm | URL: http://wp.me/p1CHIY-yTb
Comment    See all comments

Trouble clicking? Copy and paste this URL into your browser: 

http://www.universetoday.com/134117/astronomy-cast-ep-442-destroy-rebuild-pt-6-magnetic-pole-reversal/


No comments:

Post a Comment