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Author Topic: What process generates Earth's magnetic field?  (Read 697 times)

Offline AndroidNeox

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What process generates Earth's magnetic field?
« on: 15/12/2015 08:00:03 »
To have a net magnetic field, there needs to be a net electrical current. Spinning liquid metal, or anything, has no net current unless there's charge separation. Is the central core at a different voltage than the mantle? Does some aspect of the turbulence pull charge from one material to be carried away by another, e.g. electrons from metals captured in silicates?


 

Offline chris

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Re: What process generates Earth's magnetic field?
« Reply #1 on: 15/12/2015 08:58:04 »
We've touched on this previously; here's a link to the earlier discussion:

http://www.thenakedscientists.com/forum/index.php?topic=51226.0

Chris
 

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Re: What process generates Earth's magnetic field?
« Reply #1 on: 15/12/2015 08:58:04 »

 

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