Source: wikibot/surface-features-of-jupiter-s-moons

= Surface features of Jupiter's moons
{wiki=Category:Surface_features_of_Jupiter's_moons}

Jupiter has over 79 known moons, with the four largest being the Galilean moons: Io, Europa, Ganymede, and Callisto. Each of these moons has distinct surface features: \#\#\# 1. **Io** - **Volcanic Activity:** Io is the most geologically active body in the solar system, with hundreds of active volcanoes and lava flows. Its surface is dominated by sulfur and sulfur dioxide, giving it a colorful appearance.