Across
- 3. the planet farthest from the sun
- 4. the only star in our solar system
- 6. the galaxy we live in
- 7. the biggest planet
- 8. the smallest of the planets
Down
- 1. the planet with the most visible rings
- 2. the hottest planet
- 5. the blue planet
- 6. the red planet
- 9. the only planet with human life