September 26, 2008
Glancing Blow

Scientists think they may have the answer to Mars's unusual magnetic field. By modeling an impact with something bigger than Earth's moon (!), the study, led by Sabine Stanley of the University of Toronto, neatly explains many unusual things about the red planet's geology. No word on if this may have been the trigger to cause Mars to dry up and die.

Posted by scott at September 26, 2008 04:11 PM

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