Callisto is one of the Galilean moons of Jupiter discovered by Galileo Galilei in 1610. Callisto is a very geologically inactive body and its surface is covered in many craters.
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CALLISTO Callisto is one of the Galilean moons of Jupiter discovered by Galileo Galilei in 1610. Callisto is a very geologically inactive body and its surface is covered in many craters.