Across
- 1. A trip or journey with a goal
- 3. To send something into space
- 6. The area beyond Earth’s atmosphere
- 7. The long track used in the Moon launch system
- 9. A person trained to travel in space
- 10. Energy source used by rockets
Down
- 1. Earth’s natural satellite
- 2. A force used in the rail system to move spacecraft
- 4. The force that pulls objects together
- 5. The planet humans hope to visit next
- 6. Power collected from the Sun
- 8. A vehicle used to travel into space