Session I1. Who was the first man in space?2. Who was the first American man in space? 3. Who was the first woman in space? 4. Who was the first astronaut to do an EVA? 5. Who was the first American to orbit the Earth? 6. What was the first man-made satellite to orbit the Earth? Also give the date which it was launched. 7. What were the three programs that got the US to the Moon? 8. Who were the first and last astronauts on the moon? 9. What is the density of shuttle SRBs? 10. What is the date of the first shuttle launch? Session II 11. Who was the only Mercury astronaut to walk on the moon? 12. By weight, approximately 70% of the sun is which element? 13. What was the first earth-ORBITING satellite? 14. What are Saturn's rings mostly made of? 15. Three of the planets in our solar system rotate counter-clockwise. Which ones are they? 16. Saturn is mainly comprised of? 17. What is an interstellar cloud? 18. Can you see stars in the daytime in space? 19. How does the sun generate its energy? 20. What is the warmest planet in our solar system?