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Zielflug [23.3K]
3 years ago
8

What are the basic requirements for a terrestrial world to have a global magnetic field?

Physics
1 answer:
Readme [11.4K]3 years ago
3 0

Explanation:

There must be differences in temperature, pressure and composition within a liquid metal core inside the planet, since this produces a motion of the liquid metal, generating electric currents, which produce magnetic fields, that align, combining their effect to produce a large field Magnetic that envelops the planet.

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