Across
- 3. This planet could've been a star
- 5. This planet was named after the Greek god of war
- 7. This planet can get as cold as -224.2 degrees Celsius
- 8. One of its moons has Nitrogen gas geysers
Down
- 1. This is the fastest planet in the solar system
- 2. This planet gets as hot as 880 degrees Fahrenheit
- 4. This planet could float in a tub
- 6. This planet is the only planet that isn't named after a Greek god