1 Do the rewards that come from human spaceflight justify the risks and cost? Give reasons for your answer.
2 Do you think scientists should think about how the results of their research could be used before they start doing the research itself? Justify your answer.
3 What do you think was the most interesting thing about this chapter? Why did you find this interesting?
4 What parts were the hardest for you to learn? What areas do you need to go through again to gain a better understanding?
5 What do you think are the five most important things to remember from this chapter?