Across
- 2. Third largest planet in our solar system
- 4. Planet closest to the sun
- 8. A star and the planets orbiting around it
- 9. 365 1/4 days on Earth
- 10. Nicknamed "the red planet"
- 12. The process of Earth "letting out gasses" helped create out atmosphere
- 15. When a planet is turning on its axis
- 16. Covers 70% of the Earth's surface
- 18. The shapte of the orbital path of planets
- 19. Layer of gas surrounding a planet
Down
- 1. Force that keeps planets moving in orbit
- 3. Region just beyond Neptunes orbit
- 4. Out solar system is part of this galaxy
- 5. Another name for the outer planets
- 6. Planet named after Roman god of Agriculture
- 7. Planet named after the Roman goddess of love and beauty
- 11. Largest planet in our solar system
- 13. Planet farthest from the sun
- 14. A rotating cloud of gas and dust from which our solar system was formed
- 17. Now called a dwarf planet
- 20. Jupiters great red spot is this
