Across
- 4. The fourth planet from the sun.
- 5. Planet that orbits a star outside the solar system.
- 6. Icy small Solar System body
- 9. Small star.
- 10. Saturn's largest moon/
- 11. The smallest planet in our solar system.
- 13. The sixth planet from the sun.
- 14. Used to be called the ninth planet.
- 15. The fifth planet from the sun.
- 17. The sixth largest planet in our solar system.
Down
- 1. Group of stars that appears to form a pattern or picture.
- 2. Curved path of a celestial object or spacecraft.
- 3. Similar to the asteroid belt, but is much larger.
- 4. Earth's natural satellite.
- 5. The third planet from the sun.
- 7. Natural body visible in the sky at night.
- 8. Collection of gas, dust, and billions of stars and their solar systems.
- 12. The seventh planet from the sun.
- 13. The eight planets and their moons in orbit round the sun.
- 16. The eighth planet from the sun.