Across
- 3. Unseen mass in the universe
- 6. Space with no matter
- 8. Brightest star in the night sky
- 11. Recognizable star pattern
- 13. Force driving universe expansion
- 15. Galaxy with an oval shape
- 17. Decrease in wavelength
- 21. Closest large galaxy to us
- 23. W-shaped constellation
- 24. Prominent constellation
- 25. Great Bear constellation
Down
- 1. Red supergiant star
- 2. North Star
- 4. Group of galaxies
- 5. Band of constellations
- 7. Pattern of stars in sky
- 9. Type of galaxy with arms
- 10. Apparent shift in position
- 12. Our galaxy
- 14. Increase in wavelength
- 16. Theory of universe's origin
- 18. Little Bear constellation
- 19. Star system with two stars
- 20. Related to the universe
- 22. Universe growing over time