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News

Caltech
caltech.edu > about > news > ganymede-might-still-be-forming-its-metal-core-today

Ganymede Might Still Be Forming Its Metal Core Today

4+ mon, 5+ day ago   (207+ words) Jupiter's moon Ganymede is the largest moon in the solar system; at over 3,200 miles across, it is larger than the planet Mercury. It is also the only moon with its own intrinsic magnetic field, produced by a churning central core…...