These images come from its 64rd perijove on ... Ganymede and now Io, but not Callisto. However, that moon will be imaged 21 times during close flybys by the European Space Agency's JUpiter ICy ...
Ismael Adnan Yaqoob/Anadolu via Getty Images) At 3,474 km in diameter, Earth’s moon is the fifth largest in the solar system behind Ganymede (largest), Titan, Callisto and Io. Aside from Titan ...