Across
- 2. The fact of having no weight
- 3. A person who advises people about the law
- 5. Build, begin (a base)
- 8. Send something into space
- 10. Make better; become better
- 11. A vehicle that travels in space
- 13. A large system of stars, in outer space
- 14. A program that runs in a computer
- 16. The trajectory followed by a planet in space
- 17. An electronic device in space used for communication
Down
- 1. Show or introduce something new; reveal
- 4. A person trained to travel in space
- 6. Where it is possible to live
- 7. Somebody who studies science
- 9. Our planet
- 12. The force that attracts objects in space
- 15. Touch the ground (a rocket or a plane)