Space
Across
- 3. A type of rocket engine where the fuel and oxidiser are blended together. (5,4)
- 4. German rocket scientist who developed the V-2 rocket. (3,5)
- 6. American father of rocketry.
- 7. German father of rocketry.
- 8. A layer of gases around a planet.
- 11. A change in velocity.
- 13. A type of spacecraft.
- 14. The world's first satellite.
Down
- 1. A type of rocket engine where the fuel must be pumped. (6,4)
- 2. A rocket design designed to boost acceleration.
- 5. Author of "From the Earth to the Moon". (5,5)
- 9. Russian father of rocketry.
- 10. A spacecraft designed to stay in orbit.
- 12. Travel around a planet.