Across
- 5. The hottest planet
- 7. Small and rocky objects that orbit the sun
- 10. The farthest planet from the sun
- 13. The planet with the largest gravitational pull
- 14. A collection of gas, dust, and stars
- 15. A tool used to look in space
- 16. A repeating path something does around an
Down
- 1. The object's orbital motion around an object
- 2. A large area of icy objects
- 3. The closest planet to the sun
- 4. The star all of the planets go around
- 6. The only planet with rings
- 8. A self-luminous celestial body of gas
- 9. The coldest planet
- 11. A celestial body that's in orbit around the
- 12. The only planet with life