Across
- 5. An observatory
- 6. Between the inner and outer planets
- 7. A strange creature
- 9. Ninth largest celestial body
- 10. Above us
- 11. Dwarf planet
- 14. To move around a line
- 15. Not visible to the naked eye
- 16. To magnify the image of celestial body
- 18. Our solar system belongs to
Down
- 1. Agroup of visible star
- 2. The force
- 3. Small icy dirt balls
- 4. A ring planet
- 6. The study of everything in the universe
- 7. Profession
- 8. Form at the end of some stars' lives
- 12. Natural satellite
- 13. Astronomical event - temporarily
- 17. Can be bright and can be dim