- This page is about a Multopedia article; for the character, see Io
Io: This true-color image of Io were taken from the Galileo mission.
Io is one of Jupiter's 63 moons and one of the four large Galilean moons. The most volcanically active body in the solar system.
Trivia[]
- Io was discovered by Galileo Galilei on January 8, 1610.
- Io is named after a maiden who was loved by Zeus.