Across
- 2. The first planet in our solar system
- 4. This planet has the Olympus mons, the largest volcano in ousolar systemem
- 6. Known as the blue planet
- 8. The biggest planet in our solar system
Down
- 1. The smallest gas giant in our solar system
- 3. Known for its rings
- 5. Known as Earth's twin
- 7. The 3rd planet in our solar system