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The ninth largest object in the Solar System, it is the largest without a substantial atmosphere.

Ganymede is the largest and most massive moon of Jupiter and in the Solar System.

History

The ninth largest object in the Solar System, it is the largest without a substantial atmosphere.

Possessing a metallic core, it has the lowest moment of inertia factor of any solid body in the Solar System and is the only moon known to have a magnetic field.

Ganymede orbits Jupiter in roughly seven days.

It was place for at least two adventures of Tommy Tomorrow.


See Also

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