Across
- 2. A vehicle that can go to space.
- 4. The _____ on our planet lets us breathe and survive.
- 6. The _____ for life on other planets is exciting!
- 7. The 'Milky Way' is the name of our _____.
- 10. _____ may live on other planets.
- 11. A space _____ orbits Earth.
Down
- 1. Mars is the fourth planet in our _____ system.
- 3. A _____ has travelled to the moon
- 5. Scientists collect _____ on the universe.
- 8. A person who works and travels in space.
- 9. Earth is the name of our _____.