langue fr ESA - 23/05/2022

Swarm reveals magnetic waves across Earths outer core

Using information from ESAs Swarm satellite mission, scientists have discovered a completely new type of magnetic wave that sweeps across the outermost part of Earths outer core every seven years. This fascinating finding opens a new window into a world we can never see. This mysterious wave oscillates every seven years and propagates westward at up to 1500 kilometres a year.

Read full story: https://www.esa.int/Applications/Observing_the_Earth/FutureEO/Swarm/Swarm_unveils_magnetic_waves_deep_down

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