You've returned to space with your chosen element. Now, to see if you've picked the right one and to get home safely, you'll need to count the number of differences you see between these two solar systems!
Io, one of Jupiter's moons, is absolutely explosive, and is considered the most active moon in the solar system. It has hundreds of volcanoes and can send up plumes 250 miles into its atmosphere! The moon is so active because of the gravity it experiences in Jupiter's gravitational well.