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Originally posted by Phage
reply to post by MissSmartypants
A bit more reading on the website shows this:
Even so, the current strength of the magnetic field is as high as it has been in the last 50,000 years, even if it is nearly 800,000 years since the last reversal. Also, bearing in mind what we said about 'excursions' above, and knowing what we do about the properties of mathematical models of the magnetic field, it is far from clear we can easily extrapolate to 1500 years hence.
So in saying "early evidence of a forthcoming reversal" the BGS is not saying a reversal is imminent.
Original Source: news.nationalgeographic.com...
Earth's magnetic field is fading. Today it is about 10 percent weaker than it was when German mathematician Carl Friedrich Gauss started keeping tabs on it in 1845, scientists say.
Original Source: www.sciencedaily.com...
"Right now, historic records show that the strength of the magnetic field is declining very rapidly. From a quick back-of-the-envelope prediction, in 1,500 years the field will be as weak as it's ever been and we could go into a state of polarity reversal," says Singer. "One broad goal of our research is to provide some predictive capability for what could happen and what could be the signs of the next reversal."
Originally posted by ironsjack
Bit of a noob at this pole shift subject.
If the poles did shift, what exactly would happen to the earth?