Across
- 1. Scientist believes that there was water on the surface
- 3. Is the smallest planet
- 4. It has a 10 hours day
- 6. It's called the ice-giant and it has 27 moons
- 7. It's a gas-giant planet and it has one ring
Down
- 2. It has 13 moons and 6 rings
- 3. In 687 days this planet makes an orbit around the sun
- 5. It's a rocky planet but most of it is covered with water.