Across
- 1. the force that pulls things to the ground
- 4. a place where people live far from their original home
- 5. transform something to make it look like the Earth
- 7. the gas we need to breathe
- 10. vehicule to travel in space
- 11. A large object that moves around a star
- 12. to start living in a new place
- 13. to make something dirty or unsafe
- 15. an object that orbits a planet
Down
- 2. to leave behind and not return
- 3. to move around another object in space
- 6. things like food, water, energy…
- 8. a person trained to travel/work in space
- 9. the outfit you wear in space
- 14. a creature from another planet