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• Callisto (astronomy) - MSN Encarta

  Callisto astronomy, large satellite of the planet Jupiter. The moon orbits Jupiter at an average distance of 1,883,000 km 1,170,000 mi. Callisto...

• Callisto definition of Callisto in the Free Online Encyclopedia.

  Callisto, in astronomy Callisto (kəlĭs`tō), in astronomy, one of the 39 known moons, or natural satellites, of Jupiter Amalthea (diameter: 117 mi/189 km), a small, elongated ...

• Callisto (astronomy)

  The fourth natural satellite of Jupiter, discovered in 1610 by Galileo; distance from the planet 1 883 000 km/1 170 00 mi; diameter 4800 km/3000 mi; orbital period 16·689 ...