Across
- 5. mercury
- 7. old star
- 9. light deflection
- 11. kirkwood gaps
- 13. bright blue color
- 14. trail emerges from a cloud
- 16. a force acts repeatedly
- 17. yellowish apperance
- 18. no clouds
- 19. rocky, dusty, grey color
- 20. lumpy structure
- 21. neptune
- 23. "shooting star"
- 24. dwarf planet
- 25. tiny dust particles
Down
- 1. giant dust and gas
- 2. dark blue color
- 3. jupiter
- 4. H2O clouds
- 6. radii disance
- 8. our star
- 10. rocky metallic bodies
- 12. venus carbon dioxide
- 14. grains
- 15. blood red color
- 22. neptune