Across
- 5. The outermost region of the Solar System
- 6. The group of innermost, rocky planets
- 7. Outermost region from the Sun
- 9. Rocky fragments between Mars & Jupiter
- 11. Circular structure of debris around a planet
- 12. Any object that passes in front of a star
Down
- 1. Official name for a shooting star
- 2. Name for dark, cooler regions on the Sun
- 3. Rocky objects that have crashed into a planet
- 4. Name for minor planet
- 8. Outermost layer of a rocky planet or moon
- 10. Belt of icy fragments beyond Neptune
- 13. Icy objects with orbits that have a tail