Across
- 4. - The third largest planet in our solar system
- 5. - covers 70% of the Earth's surface
- 9. - a star and the planets orbiting around it
- 11. - the closest star to Earth
- 13. - Largest planet in our solar system
- 14. - Planet closest to the sun
Down
- 1. - planet named after the Roman goddes of love and beauty
- 2. - Planet named after the Roman god of agriculture
- 3. - a force that keeps a planet moving in orbit
- 6. - Layers of gas that surrounds a planet
- 7. - Nicknamed "the red planet"
- 8. - planet the furthest from the sun
- 10. - Our solar system is part of this galaxy
- 12. - now called a dwaft planet