Across
- 3. Planet named after the Roman Sea God
- 5. Known as the red planet
- 7. An icy rock that has a bright tail when it comes closer to the Sun
- 8. Planet closest to the Sun
- 10. Our galaxy
- 11. The farthest planet from the Sun
- 12. Planet known as the evening star
- 14. The largest planet in the solar system
- 16. The path that a planet takes around the Sun
Down
- 1. Star at the centre of our solar system
- 2. Our Sun is this
- 4. Our planet
- 6. The many rocks in a belt between Mars and Jupiter
- 9. Planet famous for its rings
- 12. Earth's sister planet
- 13. An instrument used to observe outer space
- 15. Planet between Saturn and Neptune