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Something is Happening to Earth's Magnetic Field

sanman

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Something really weird is happening to the Earth's magnetic field (and don't tell me it's Putin behind it):

https://www.nature.com/articles/d41586-019-00007-1


The Earth's magnetic field has started wandering around in dramatically different ways, and was found to have actually jumped back in 2016.

I wonder why it's happening?
 

trouble13

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Something really weird is happening to the Earth's magnetic field (and don't tell me it's Putin behind it):

https://www.nature.com/articles/d41586-019-00007-1


The Earth's magnetic field has started wandering around in dramatically different ways, and was found to have actually jumped back in 2016.

I wonder why it's happening?
Some scientists.think the poles reverse ever so many years

Sent from my SM-G965U using Tapatalk
 

Rogue Valley

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Various patches of the Earths magnetic core spontaneously reverse every 12 years or so.

When enough core patches reverse, the entire Earth magnetic field flips. This phenomena occurs about every 780,000 years.
 

sanman

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Various patches of the Earths magnetic core spontaneously reverse every 12 years or so.

When enough core patches reverse, the entire Earth magnetic field flips. This phenomena occurs about every 780,000 years.


When's the last time this happened?
 

Excon

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Something really weird is happening to the Earth's magnetic field (and don't tell me it's Putin behind it):

Okay. It's the Chinese.
 

RAMOSS

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Something really weird is happening to the Earth's magnetic field (and don't tell me it's Putin behind it):

https://www.nature.com/articles/d41586-019-00007-1


The Earth's magnetic field has started wandering around in dramatically different ways, and was found to have actually jumped back in 2016.

I wonder why it's happening?

So it's begun. The Polar north is going to be the polar south. It happens on an average every 13000 years. Sometimes the change is temporary, an incomplete (last time it happened was 40K years ago), and sometimes there is a total change lasting much longer.
 

Rogue Valley

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When's the last time this happened?

These are called Geomagnetic Reversal's and the last total reversal occurred 780,000 years ago. Sometimes the flip and flip back only lasts a few hundred years.

This process is poorly understood. We're due for another complete flip of a long duration right about now if past trends hold up.
 
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