Across
- 3. other blue planet
- 7. huge rock in solar system
- 11. green planet
- 13. distance light goes in a year
- 14. planet with acid
- 15. red planet
- 17. blue planet
- 19. cluster of stars that form a picture
- 20. thing that holds the solar system together
Down
- 1. black thing that sucks up stuff in space
- 2. ball of light
- 4. hugest gas planet
- 5. planet with rings
- 6. small planet
- 8. thing that helps us see in the sky
- 9. gut that explores space
- 10. cluster of stars
- 12. different balls of light
- 16. scary unknown green dude
- 18. small and not a planet