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To: Crazieman
The discovery has led experts to question whether the Earth is on track towards a polarity reversal.

In the Left's dreams.

3 posted on 05/13/2006 9:58:52 AM PDT by freedumb2003 (Any guest worker program that does not require application from the home country is Amnesty)
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To: freedumb2003
In the Left's dreams.

From the article:

Every 300,000 years on average, the north and south poles of the Earth's magnetic field swap places. The field must weaken and go to zero before it can reverse itself. The last such reversal occurred roughly 780,000 years ago, so we are long overdue for another magnetic flip. Once it begins, the process of reversing takes less than 5000 years, experts believe.

I didn't think this was "new" news.

47 posted on 05/14/2006 7:38:02 AM PDT by Amelia (Education exists to overcome ignorance, not validate it.)
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