Earth’s Magnetic Field Is Behaving Erratically, Baffling Scientists

The Earth's magnetic field is behaving erratically, and researchers can't update an important model of it until the government shutdown ends.

Bust a Move

Earth’s magnetic field is constantly on the move, but lately its behavior has become downright erratic — magnetic North is veering away from Canada and toward Siberia.

Experts aren’t sure what’s going on. According to a report published in Nature, the movement could have something to do with hydromagnetic waves from deep in the planet’s core. Or maybe a fast-moving jet of liquid iron is to blame.

What they do know is that the World Magnetic Model (WMM) — a representation of the global magnetic field — is in need of an Lees verder

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