Across
- 3. beings from other planets
- 5. billions of them in the sky
- 6. person who goes into space
- 7. massive star in the center of our solar system
- 9. our planet
- 10. largest planet
Down
- 1. large rock that orbits earth
- 2. name of our solar system
- 4. unidentifiable flying objects
- 5. planet with a ring
- 7. how we travel in space
- 8. rock that enters Earth's atmosphere and looks like shooting stars