Tuesday, July 1, 2008

Earth's Core, Magnetic Field Changing Fast

Kimberly Johnsonfor National Geographic News

Rapid changes in the churning movement of Earth's liquid outer core are weakening the magnetic field in some regions of the planet's surface, a new study says.

"What is so surprising is that rapid, almost sudden, changes take place in the Earth's magnetic field," said study co-author Nils Olsen, a geophysicist at the Danish National Space Center in Copenhagen.

Editor's note: See how the earth's weakening magnetic field and solar radiation impact climate change and natural disasters in this piece: WARNING: The Coming Solar Storm

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.