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Earth’s magnetic field may change faster than we thought – new research – Australian Times

Historically, the fastest changes in Earth’s magnetic field have been associated with reversals.

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Christopher Davies, University of Leeds
The Earths magnetic field, generated 3,000km below our feet in the liquid iron core, is crucially important to life on our planet. It extends out into space, wrapping us in an electromagnetic blanket that shields the atmosphere and satellites from solar radiation.
Its long been a mystery how fast the Earths magnetic field changes. Andrey VP/Shutterstock
Yet the magnetic field is constantly changing in both its strength and direction and has undergone so…

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