Quiz

1. What are jovian planets made of?
2. What are jovian planets like on the inside?
3. What is the weather like on jovian planets?
4. What kinds of moons orbit the jovian planets?
5. Why are Jupiter's Galilean moons geologically active?
6. What geological activity do we see on Titan and other moons?
7. Why are jovian moons more geologically active than small rocky planets?
8. What are Saturn's rings like?
9. Why do the jovian planets have rings?
10. Who predicted volcanoes on Io?

Hint: Look up Io (moon) on Wikipedia.