Across
- 3. It used to be known as the 9th planet in the solar system
- 6. "Voyager 2" is the only spacecraft to have visited this planet
- 9. A year here is 84 years on Earth
Down
- 1. It is the 2nd largest planet in the solar system
- 2. A day here is only 10 hours
- 4. A year here is only 88 days on Earth
- 5. The largest volcano in the solar system is here
- 7. It is the only known object in the universe to harbor life
- 8. It is also known as "Earth's twin"