Across
- 4. The most similar planet to the Moon
- 5. The liveliest planet in the Solar System
- 6. Well-known for its rings made up of ice and rock
- 8. Most similar planet to Earth
Down
- 1. Another name for Poseidon, coldest planet in Solar System
- 2. Biggest planet, first planet after the asteroid belt
- 3. Atmosphere contains acidic gases, has lots of lava
- 7. Tilted on its side, very cold