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TJH92

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  1. In the last 150 years, the strength of Earth's Magnetic field has decreased by 5% per century. This doesn't seem like a very fast decrease, but it is one of the fastest ones that has been verified in the 800,000 year magnetic record we now have. At this rate, in 10 centuries we will be 50% below our current field strength, and after 2000 years we could be at zero-strength. The data on past reversals seems to show that, when the field reaches 10% of its current strength, a magnetic reversal can be triggered. It has been 730,000 years since the last reversal ended. We are certainly long overdue for a reversal, by some statistical estimates.

    doesn't that mean the earth will basicly flip over

    so north will be where south is and vica versa?

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