The far side of the moon provides clues to a past magnetic field

Unlike Earth, the moon no longer has a core-generated magnetic field. While Earth's movement of liquid iron generates a global magnetic field through a geodynamo, there is an ongoing debate as to whether the moon operated a dynamo in the past due to contradictory analyses of Apollo rock samples.

Editor's note: The draft accurately synthesizes the source material without introducing errors.

This article is AI-generated and fact-gated. Original reporting: Phys.org