Across
- 3. Hottest planet
- 7. Gas that traps heat in atmosphere
- 8. Meteor that hits the ground
- 9. Smaller bodies in the solar system
- 14. Small bodies made of ice and frozen gases
- 16. All giant planets have these
- 17. Element that is main component of terrestrial planets
- 19. Most abundant rocks on terrestrial planets
Down
- 1. grains of broken rock in solar system
- 2. Element that is main component of giant planets
- 4. Place where most asteroids are found
- 5. Outermost giant planet
- 6. Belt where many comets are found
- 10. Rocky bodies that orbit the sun like planets
- 11. Small planets with solid surfaces
- 12. Cosmic dust that enters Earth's atmosphere
- 13. Large planets with gas surfaces
- 15. Planet that spins on its side
- 18. Venus' rotation