Sunday, 21 September 2008

'Pole shift...'

'We know the poles are shifting right now (as they do at regular intervals)—now we know why.

It turns out that fluid in the center of the earth is sloshing around, causing the poles to magnetically shift. In, Jeremy Hsu writes, "The last major change in the field took place some 780,000 years ago during a magnetic reversal, although such reversals seem to occur more often on average. A flip in the north and south poles typically involves a weakening in the magnetic field, followed by a period of rapid recovery and reorganization of opposite polarity."

Hsu quotes geophysicist Mioara Mandea as saying, "For satellites, [the pole shift] could be a problem. If there are magnetic storms and high-energy particles coming from the sun, the satellites could be affected and their connections could be lost." It’s a good thing that solar storms are mysteriously quiet right now.'

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