Answer:
'The Largest Moon in The Solar System is Ganymede'. It is a satellite of Jupiter and has a diameter of 5,268 km (3270 miles), 8% larger than that of the planet Mercury, but has only 45% of the latter's mass. Its diameter is 2% larger than that of Titan. It also has 'The Highest Mass of all Planetary Satellites, with 2.02 times the mass of the Earth's Moon'.
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