According to the provided table, which Galilean moon is known for being the most volcanically active world in the Solar System?

Answer

Io

The table specifies that Io is smaller than Earth's Moon but is the most volcanically active world in the Solar System.

According to the provided table, which Galilean moon is known for being the most volcanically active world in the Solar System?
discoveryGalileoastronomyJupiterMoon