Waters at the origin of the magnetic field

Writing my last article – the one about the Earth’s deepness – I have just started a rather difficult mission. I’ll have to describe something I cannot see. Anyway, that’s true, seismography can partially help. This is a science describing the Earth as made up of many layers. Accordingly, there is a solid mantle, then the liquid external nucleus and a solid internal nucleus.  What about the magnetic earthly field? A dynamo effect due to[…]

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