planetary rotation - Geography Ebooks | TheGeoecologist

Question 1

What would happen if Earth stopped rotating suddenly?

Accepted Answer

If Earth stops rotating suddenly, supersonic winds of up to 1,000 mph would scour the surface, massive tsunamis would reshape coastlines, and the planet would experience six-month day-night cycles with extreme temperatures.

Question 2

How long would it take for Earth to stop rotating naturally?

Accepted Answer

Earth's rotation is gradually slowing due to tidal forces, but it would take billions of years to stop completely. The current deceleration rate is about 1.7 milliseconds per century.

Question 3

Would we lose our magnetic field if Earth stops rotating?

Accepted Answer

Yes, Earth's magnetic field depends on the dynamo effect created by rotation-driven convection in the outer core. When Earth stops rotating, this field would gradually weaken and disappear over centuries.

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Earth Stops Rotating: The Ultimate Global Catastrophe Explained