Researchers from the Australian National University uncovered a donut-shaped structure in the Earth's outer core responsible for the generation of the magnetic field, essential for life.
The magnetic field is a fundamental ingredient that we need for life to be sustained on the surface of our planet. This new structure helps stir the liquid metal.
Using seismic waves generated by earthquakes, researchers detected a slower-moving region in the outer core, which may drive the Earth’s protective magnetic field.
By studying the faint traces of seismic waves, the researchers were able to reveal previously hidden structures within the Earth’s core that influence its magnetic properties.
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