= Magnetic field of the Moon
{wiki=Magnetic_field_of_the_Moon}
The Moon has a very weak magnetic field compared to Earth. This weak magnetic field is not generated by a dynamo effect in a molten core, as is the case with Earth. Instead, localized areas on the lunar surface show remnants of ancient magnetic fields, believed to have formed billions of years ago when the Moon may have had a partially molten interior. The average magnetic field strength at the Moon's surface is about 0.
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