Quiz

1. Why is there an asteroid belt?
2. How are meteorites related to asteroids?
3. How do comets get their tails?
4. Where do comets come from?
5. How big can a comet be?
6. What are Pluto and other large objects of the Kuiper belt like?
7. Have we ever witnessed a major impact?
8. Did an impact kill the dinosaurs?
9. Is the impact threat a real danger or just media hype?
10. How do other planets affect impact rates and life on Earth?