Questions
1. Is it possible to travel at the speed of light (or faster)?
2. How do we travel through space now?
3. Why are our current systems not good enough for travel outside the Earth-Moon system?
4. What are solar sails and how will the be used in the future?
5.What does technology hold in store for the future in solar system travel?
6. What are some problems and limitations with interstellar travel?
7. How long will it take us to get to different stellar bodies?
8. Will slingshoting around planets be useful?