Give Now

A Moment of Science

Posts tagged magnetic poles

April 28, 2010

 

globe2_084

Why Do The Magnetic Poles Switch Places?

Have you ever wondered why the magnetic fields change places?

April 27, 2010

 

globe_083

When And How The Magnetic Poles Switch Places

Did you know that years and years ago the magnetic poles switched places?

November 28, 2005

 

When North Was South

You’re a polar explorer and you’ve just reached the north pole. The huskies are yapping, the cameras are ready and you’re just about to unfurl the flag when, all of a sudden, the north pole becomes the south pole. Imagine your chagrin. Okay, so it doesn’t really happen that fast, but it’s true that in the past the earth’s magnetic poles have switched places. In fact, it seems to happen roughly every 250,000 years or so. How do we know this? Learn more on this Moment of Science.

Stay Connected

What is RSS? RSS makes it possible to subscribe to a website's updates instead of visiting it by delivering new posts to your RSS reader automatically. Choose to receive some or all of the updates from A Moment of Science:

Support for Indiana Public Media Comes From

About A Moment of Science

Search A Moment of Science