
Before Galileo plunged into Jupiter’s atmosphere, it observed fragments of a comet crashing into Jupiter, discovered a possible ocean on Jupiter’s moon Callisto, watched the power of the planet’s thunderstorms, observed volcanic activity on Jupiter’s moon Io, hinted a watery past for Jupiter’s moon Europa, and discovered the composition…
Before Galileo plunged into Jupiter’s atmosphere, it observed fragments of a comet crashing into Jupiter, discovered a possible ocean on Jupiter’s moon Callisto, watched the power of the planet’s thunderstorms, observed volcanic activity on Jupiter’s moon Io, hinted a watery past for Jupiter’s moon Europa, and discovered the composition of the planets’ rings.