Across
- 1. the red planet
- 4. arrive on the ground
- 5. when you are alone, you feel...
- 6. American agency for space programs
- 8. synonym of hope
- 12. you need it to drive in space
- 15. the little green men in space
Down
- 2. outfit of astronauts
- 3. Aliens' vehicule
- 7. when you colonize another planet, you ... on it.
- 9. man who can go into space
- 10. leave the ground
- 11. synonym of pionneer
- 13. our home planet
- 14. synonym of repair