Across
- 2. close to sun
- 4. cant be a star
- 6. smallest of gas giants
- 8. where all the planets are
- 11. weighs
- 13. measure of inertia
- 15. huge
Down
- 1. pulls
- 3. no water
- 5. 7 from sun
- 7. Red planet
- 9. hold life
- 10. hottest planet
- 12. giants most of the planents are
- 14. hot