Across
- 2. I am the flattest planet.
- 4. I have the tallest mountain in the Solar System.
- 6. I am the smallest planet in our Solar System.
- 7. I have the shortest day of all planets.
- 8. I am the densest planet in our Solar System.
Down
- 1. I am the hottest planet in our Solar System.
- 3. I make one trip around the Sun every 84 Earth years.
- 5. I have 14 Moons.
