View Full Version : Was Marsí Magnetic Field Blasted Away?

2009-May-06, 09:50 PM
Spacecraft orbiting Mars have found only weak magnetic fields present in various regions of the Red Planet. These fields are probably remnants of an earlier global field that has since disappeared. But how and why did the global field vanish? Recent studies have proposed that giant asteroids slamming into Mars may have [...]

More... (http://www.universetoday.com/2009/05/06/was-mars-magnetic-field-blasted-away/)