Across
- 2. A region of intense gravity
- 6. Dwarf planet in the Kuiper Belt
- 7. Icy space object with a tail
- 9. Known for its rings
- 12. Disc of debris around a planet
- 15. Unmanned spacecraft
- 16. The Morning Star
- 17. When the Moon blocks the Sun
- 21. Orbital observatory
- 23. The Sideways Planet
- 24. Stream of charged particles from the Sun
Down
- 1. Explosive solar event
- 3. A scientist who studies the stars
- 4. Our home planet
- 5. Space rock
- 8. Largest planet in the solar system
- 10. Closest planet to the Sun
- 11. Earth's natural satellite
- 13. The Blue Giant
- 14. The Red Planet
- 15. The center of our solar system
- 18. The distance light travels in a year
- 19. Vast system of stars
- 20. Rocky object in space
- 22. Patterns of stars in the sky