Most of the material in its magnetosphere is supplied by ionized sulfur dioxide gas.
This planet's ring system is maintained by its four innermost moons, which include Adrastea and Amalthea. Most of the material in its magnetosphere is supplied by ionized sulfur dioxide gas. That gas is produced by volcanic activity on one of its moons. The Voyager space probes documented the volcanic activity on that moon, Io, which is one of the four Galilean satellites. This gas giant is host to a centuries-long reddish storm, the Great Red Spot. For 10 points, name the largest planet in the Solar System.
This planet's ring system is maintained by its four innermost moons, which include Adrastea and Amalthea.
{Jupiter}