12. What is "L2" and why is it important WMAP research L2?
13. Describe the oath, in space, WMAP must take to reach L2.
14. What are hyper-nova?
15. What is meant by "stars are the ultimate alchemists"?
16. Why do hydrogen atoms fuse to make helium atoms inside of stars?
17. What happens when a star turns all of its hydrogen atoms to helium atoms?
18. What happens when a star builds up too much iron?
19. When do elements larger then iron form?