Across
- 4. The vast area beyond Earth's atmosphere (5 letters)
- 5. To send a rocket or spacecraft into the air (6 letters)
- 6. What a rocket burns along with an oxidiser (4 letters)
- 8. The narrow opening at the back of a rocket where hot gases escape (6 letters)
- 9. A powerful pushing force that moves rockets (6 letters)
- 10. To travel in a curved path around a planet or star (5 letters)
Down
- 1. A vehicle that can travel into space
- 2. The combined fuel and oxidiser used in a rocket (9 letters)
- 3. An object that travels in a curved path around a planet (7 letters)
- 7. The force that pulls things towards Earth