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

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Ganymede's unique magnetic field may be powered by ongoing core formation—not a cooling core Phys.orgMotional Induction in Ganymede's Ocean astrobiology.comCosmic miracle: Largest moon in solar system may still have active core after 4.6 billion years Interesting EngineeringThe reason Ganymede has a magnetic field at all has stumped planetary scientists for decades, and a new study suggests the moon's core may not be done forming yet Space DailyGanymede Might Still Be Forming Its Metal Core Today Caltech

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Blognews.google.com5/9/2026