Across
- 3. Our brightest planet we know of
- 6. doesn't have any moons
- 9. Has 79 moons
- 10. Named after the roman god of the sea
Down
- 1. Closest planet to the sun
- 2. Tallest mountain in the solar system
- 4. the flattest planet we know of
- 5. Known as a dwarf planet
- 7. only planet that Contains human life
- 8. Coldest planet in the solar system
