Swarm Reveals Magnetic Waves Across Earth’s Outer Core

Discovery of a whole new type of magnetic wave sweeping through the Earth’s outer core

Using information from ESA’s Swarm satellite mission, scientists have discovered an entirely new type of magnetic wave that sweeps across the outermost part of the Earth’s outer core every seven years. This fascinating discovery opens a new window on a world that we will never be able to see. This mysterious wave oscillates every seven …

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