Across
- 5. planets that orbit around other stars
- 10. smallest and closet planet from the sun
- 11. model of sun centered solar system
- 15. unit used to measure large distances within the solar system
- 17. third planet for earth
Down
- 1. model of earth centered solar system
- 2. second planet outward from the sun
- 3. seventh planet from the sun
- 4. fourth planet from the sun
- 5. life on other worlds
- 6. unofficial name for object 2003 VB12
- 7. eighth planet from the sun
- 8. rocky objects formed material similar to on planets
- 9. fifth planet from the sun
- 12. rocky objects orbiting within the solar system
- 13. dwarf planet with a thin atmosphere
- 14. second largest planet and sixth from the sun
- 16. object composed of dust and rock particles