Jupiter’s moons: Names, quantity and exploration


 Jupiter has 80 moons in complete, 57 are official and an extra 23 are awaiting affirmation and naming by the Worldwide Astronomical Union. 

4 of Jupiter‘s moons: Io, Europa, Ganymede and Callisto — referred to as the Galilean moons — had been the primary celestial objects to be found orbiting an object aside from the solar or Earth when Galileo Galilei first noticed them in 1610. 

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