Across
- 2. A gas lighter than air
- 7. most notable for its rings
- 9. hottest planet in the solar system
- 10. the path of a planets movement around an object
- 11. the gravitational pull of an object
- 12. Made out of gas and eventually die.
- 14. closest planet to the sun
Down
- 1. biggest planet in the solar system
- 3. only inhabitable planet
- 4. It keeps planets in orbit
- 5. know as the "sideways planet"
- 6. the composition of an object
- 8. A cloud of dust and gas
- 13. Know as the red planet
- 14. the universe we live in.