Across
- 4. a type of galaxy
- 7. moon’s closest point to Earth
- 9. the archer
- 10. North Star
- 12. dirty snowball
- 14. ringed planet
- 15. point directly overhead
- 17. moon’s farthest point from Earth
- 18. the hunter
- 20. star’s apparent brightness
- 21. god of the sea
Down
- 1. the red planet
- 2. largest gas giant
- 3. large groups of stars
- 5. the twins
- 6. minor planet
- 8. third rock from sun
- 11. large space rock
- 13. group of stars forming an image
- 16. sun’s path through constellations
- 19. the lion
