Across
- 2. A natural satellite that orbits a planet
- 4. The closest planet to the Sun
- 6. The planet famous for its bright rings
- 7. The hottest planet in our solar system
- 10. A small planet-like object that has not cleared its orbit
- 14. The movement of a planet around the Sun
- 15. The only planet known to have life
- 16. A large object that travels around a star
- 17. The path a planet follows around the Sun
- 18. System The Sun and all the objects that travel around it
Down
- 1. An icy object that forms a glowing tail near the Sun
- 2. The Red Planet
- 3. The planet that spins on its side
- 5. The force that pulls objects toward each other
- 8. The farthest planet from the Sun
- 9. The dwarf planet found in the Kuiper Belt
- 11. The largest planet in our solar system
- 12. A rocky object mostly found between Mars and Jupiter
- 13. The star at the center of our solar system
- 14. The spinning of a planet on its axis
