Observatoire des droits humains (anglais seulement)

How giant ‘Blobs’ of rock have influenced Earth’s magnetic field for millions of years – new research

(Version anglaise seulement)

par Andrew Biggin, Professor of Geomagnetism, University of Liverpool

While we have sent probes billions of kilometres into interstellar space, humans have barely scratched the surface of our own planet, not even making it through the thin crust.

Information about Earth’s deep interior comes mainly from geophysics and is at a premium. We know it consists of a solid crust, a rocky mantle, a liquid outer core and solid inner core. But what precisely goes on in each layer – and between them – is…

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