New type of magnetic wave discovered in Earth’s core

Scientists have discovered an entirely new type of magnetic waves flowing through Earthevery seven years into the outer core of , distorting the strength of our planet’s magnetic field.

The waves are called “Magneto-Coriolis” waves because they travel along the Earth’s axis of rotation Coriolis force – crawling from east to west in tall columns that can travel up to 930 miles (1,500 kilometers) per year, the researchers wrote in a March 21 article in the Journal Proceedings of the National Academy of Sciences. Using a fleet of European Space Agency (ESA) satellites, the team located the mysterious ripples to the outermost layer of Earth’s liquid outer core, right where that layer meets the rocky mantle — about 1,800 miles (2,900 km) below the surface of the planet. New type of magnetic wave discovered in Earth’s core

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