2004-01-06 19:25:55.089727+01 by Dan Lyke 1 comments
Nasa on Earth's Inconstant Magnetic Field. Most shocking is that diagram on the right side showing the migration of the field over the past century. That's a lot o' damned territory.
[ related topics: History Space & Astronomy Astronomy ]
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#Comment Re: As trustworthy as a compass made: 2004-01-11 03:40:49.244108+01 by: meuon
I knew the basics, but that is a good article.
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