Across
- 3. Way (Our galaxy)
- 6. (Explosion of a massive star)
- 10. (Largest planet in the solar system)
- 12. (Interstellar cloud of gas and dust)
- 14. (Ringed planet)
- 15. (Luminous celestial body)
- 16. (Person who travels in space)
- 17. (Prominent constellation)
- 18. (Alignment of celestial bodies blocking light)
Down
- 1. (Vast system of stars)
- 2. (Instrument for observing distant objects)
- 3. (Earth's natural satellite)
- 4. (Icy celestial object with a tail)
- 5. (Small rocky object burning up in the atmosphere)
- 7. (Second planet from the Sun)
- 8. (Red planet)
- 9. (Dwarf planet)
- 11. (Large celestial body orbiting a star)
- 13. Hole (Region of spacetime with strong gravitational pull)
- 15. (Star at the center of the solar system)