What generates the earth’s magnetic field?

The main theory on the source of the earth’s magnetic field is the dynamo theory. The theory depends on some plausible complex mechanisms occurring in the earth’s core. In this short note, we will discuss a simple alternative mechanism.

The earth is negatively charged. The atmosphere is positively charged. The earth, with its atmosphere, forms a gigantic electric field. The earth rotates. The rotation of the electric field generates a magnetic field.

This is a very simple explanation. The validity of the explanation can be easily tested on various celestial bodies, including the earth. The same can’t be said for the dynamo theory.

A related note

The earth is a gigantic battery

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