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Bright Satellite

The surface of Enceladus resembles that of Jupiter's satellite Ganymede. Some areas are smooth and uncratered while others contain impact craters up to 35 km (22 mi) in diameter. Linear sets of grooves tens of kilometers long traverse the surface and are probably faults resulting from deformation of the crust. The uncratered regions are geologically young and may indicate that Enceladus has experienced a period of relatively recent internal melting. The satellite is about 500 km (310 mi) in diameter and has the brightest surface of any of Saturn's satellites.

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