Across
- 2. 2nd smallest planet
- 3. closest planet to the sun
- 7. inner planets
- 10. fastest spinning planet in the solar system
- 12. 3rd largest diameter in our solar system
- 13. only planet not named after a god
- 14. named after the roman god of the sea
Down
- 1. outer planets
- 4. all the galaxies together to form this
- 5. 2nd brightest thing in the sky (other than the moon)
- 6. orbit between mars and jupiter
- 8. flattest plaanet
- 9. large number of astroids
- 11. classified as a planet for 75 years