Ganymede's unique magnetic field may be powered by ongoing core formation—not a cooling core

Ganymede is not only Jupiter's largest moon, but also the largest in our solar system and one of the few that hosts a massive ...
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Jovian ice moon Ganymede may still be forming metal core

Ganymede is the largest moon in the Solar System at 5,268 kilometers, and is bigger than Mercury. New research suggests that ...