Across
- 4. A region of icy bodies beyond Neptune, home to Pluto and other dwarf planets
- 6. A group of celestial objects orbiting a star.
- 8. The only planet in our solar system known to support life
- 9. A giant ball of hot gas at the center of our solar system
Down
- 1. The largest planet in our solar system
- 2. The hottest planet in our solar system
- 3. A dwarf planet, known for its unusual tilted axis potential for an underground ocean
- 5. A dwarf planet known for its icy surface and potential for life
- 7. The second largest planet in our solar system
