Across
- 4. The brightest object in the sky besides the moon and the sun
- 6. The planet we live on
- 7. used to be a planet
- 8. The coldest planet
- 10. the source of light in our solar system (starts with our)
- 12. A group of many, many solar systems
- 14. The first planet from the sun
- 16. The red planet
Down
- 1. Sphere that orbits a star
- 2. The biggest planet in our solar system
- 3. the planet known for rings
- 5. The planet named after the god of the sea
- 9. A group of planets, moons and stars
- 11. large ball of hot gas
- 13. The farthest object ever visited in space by a probe
- 14. Sphere orbiting a planet
- 15. Everything we know, full of galaxys