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Which moon is the largest moon in the Solar System relative to its planet’s size?
SpaceMoons
Quick Answer
Charon is especially notable because it is unusually large compared with Pluto, but the largest moon overall is Ganymede. Ganymede is bigger than Mercury and has its own magnetic field.
The Full Story
Ganymede, a moon of Jupiter, is the largest moon in the Solar System by diameter. It measures about 5,268 kilometres across, making it larger than the planet Mercury. Ganymede is also the only moon known to have its own intrinsic magnetic field. Its size and internal structure make it one of the most fascinating bodies in the outer Solar System.
Key Facts
1.Ganymede diameter: about 5,268 km
2.Ganymede is larger than Mercury
3.It has its own magnetic field
YouTube Angle
Suggested video title for this topic:
"The biggest moon is so huge it beats a planet in size."