Across
- 3. building with telescope used for observations
- 6. telescope launched in 1990
- 7. telescope launched in 2003
- 10. first human on the moon
- 13. first human in space
- 14. vehicle designed to propel itself by ejecting gas
Down
- 1. telescope scheduled to launch October 31, 2021
- 2. energy transmitted from one place to another
- 4. curved path followed by a satellite
- 5. first US citizen to orbit Earth
- 8. light from object passes through convex lens
- 9. first US citizen in space
- 10. second man on the moon
- 11. object that revolves around another object
- 12. uses a curved mirror to focus light