Across
- 3. oval shaped
- 6. protects earth from radiation (2 words)
- 7. livable
- 10. where all planets are (2 words)
- 13. Earth centered
- 14. Separates inner planets and outer planets (2 words)
- 15. Jupiter, Saturn, Uranus,Neptune (2 words)
- 17. Biggest star
- 19. a small rocky body orbiting the sun
- 20. closest planet to sun
Down
- 1. comes from the sun and is harmful to skin
- 2. captures harmful charged particles from the sun
- 4. has life
- 5. allows you to survive in space (2 words)
- 8. Mercury, Venus, Earth, Mars (2 words)
- 9. Revolves around planets
- 11. Rocky surface
- 12. Sun centered
- 16. protect from radiation and freezing temps (2 words)
- 18. Pull toward the center of an object