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To: cripplecreek
a pretty regular flip every 300,000 years or so the last one was 780,000 years ago
39 posted on 02/06/2011 2:33:16 PM PST by Right Wing Assault (Our Constitution: the new Inconvenient Truth)
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To: Right Wing Assault

Looks like it actually has very long periods with no sudden activity.

http://en.wikipedia.org/wiki/File:Geomagnetic_polarity_0-169_Ma.svg


43 posted on 02/06/2011 2:37:58 PM PST by cripplecreek (Remember the River Raisin! (look it up))
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