HomeAstronomyNew type of magnetic wave might explain the strange fluctuations in Earth's...

New type of magnetic wave might explain the strange fluctuations in Earth’s magnetic field

A new type of slowly traveling magnetic wave discovered inside Earth may shed light on some unexplained fluctuations in the planet’s magnetic field.

Earth’s magnetic field, generated by its core of molten metals, protects the planet from harmful cosmic radiation. Despite decades of research, scientists still don’t fully understand the field’s behavior. Over the past 20 years, they have seen strange fluctuations in satellite measurements of the field’s strength, which they couldn’t explain. 

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