Is the Earth's magnetic field affected by its rotation speed? | Hacker News

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		excursionist on March 12, 2020 \| parent \| context \| favorite \| on: Ancient shell shows days were half-hour shorter 70... Is the Earth's magnetic field affected by its rotation speed?

saagarjha on March 12, 2020 [–]

Since the magnetic field is tied to rotation of the planet’s core, I would expect it to slowly weaken as it caught up with the lack of rotation of the surface.

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