Galilean satellite

Definitions of Galilean satellite
  1. noun
    one of the four satellites of Jupiter that were discovered by Galileo
    synonyms: Galilean
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    Callisto
    the second largest of Jupiter's satellites
    Europa
    the 4th largest of Jupiter's satellites; covered with a smooth shell of frozen water
    Ganymede
    the largest of Jupiter's satellites
    Io
    the closest of Jupiter's moons; has active volcanoes
    type of:
    satellite
    any celestial body orbiting around a planet or star
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