Across
- 2. Saturn’s largest moon
- 4. The process that powers the Sun
- 5. The dwarf planet located in the asteroid belt.
- 9. A rocky object that orbits the Sun, mostly found between Mars and Jupiter.
- 11. The force that pulls objects toward each other
- 15. The planet tilted on its side
- 17. A ball of ice and dust that forms a glowing tail near the Sun
- 18. The planet known for its beautiful ring system.
- 19. The path a planet takes around the Sun.
- 20. The spinning of a planet on its axis
- 21. A chunk of space rock that reaches Earth’s surface
- 22. The second planet from the Sun
- 23. The farthest planet from the Sun
- 25. The thin layer of gases surrounding a planet
- 27. The distant spherical cloud believed to surround the solar system
Down
- 1. A streak of light caused by a meteoroid burning in the atmosphere
- 3. The outer region beyond Neptune filled with icy bodies.
- 6. A moon of Jupiter believed to have an underground ocean
- 7. The planet closest to the Sun
- 8. Pluto was reclassified as this type of object
- 10. The largest volcano in the solar system (on Mars).
- 12. The largest moon in the solar system
- 13. The largest planet in our solar system.
- 14. The motion of a planet around the Sun
- 16. The red planet
- 24. The third planet from the Sun
- 26. The only planet known to support life
