Galiean Moons of Jupiter

by Connor Dufur


  • The galilean moons are the four largest moons of jupiter.

  • They were discovered by Galileo Galilio in January 1610

  • there are four a lot of moons in jupiter but i am going to tell you the four largest moons in jupiter they are Lo, Europa, Ganymede, Callisto

more facts

  • Are named after the lovers of Zeus.

  • The voyager Spacecraft took images of all the moons in Jupiter.

  • In the moon Lo there is a lot of volcanoes there is even pictures of the volcanoes erupting.

Europa moon

  • the Europa moon surface and crust are made of water and ice.

  • Here is the close up image of the surface of this moon.

  • Here is another picture of the interior.


  • In the moon Io there is a lot of volcanoes.
  • Io is the third largest moon of Jupiter.
  • It is a bit bigger than earth.
  • Here is a picture of a volcano erupting.

Ganymade moon

  • It is the largest moon in the solar system.
  • Ganymede is about 4.5 billion years old about the same age of Jupiter.
  • Ganymede has a core of metallic iron.


  • Like Ganymede, Callisto has a rocky core which is covered by a thick layer of ice.
  • Callisto has a very dark surface, which shows its great age.
  • Callisto is the furthest of these four large moons from the planet Jupiter and is not influenced by the pull of the other moons’ gravity.