Across
- 3. 17 Missions, including the moon
- 5. To Obscure
- 8. A Building for perceiving
- 9. Nougat, Caramel, and Chocolate
- 13. Goddess of the Hunt
- 15. Illuminating beams
- 16. Rainbow's wavelength
- 17. Bottom Show
- 19. Stellar Nursery
- 20. Older Williams Sister
- 21. A Heavy Subject
Down
- 1. Dependent on another, especially around
- 2. Star signs for Astronomers and Astrologers
- 4. Gimili, son of Gloin
- 6. Milky Way's mid-point belt
- 7. Cancer treatment, or superhero origin
- 8. Path around another
- 10. Hollywood is full of them
- 11. Jack's Nemesis
- 12. Debris put a ring on it
- 14. When it's hot, it's rising
- 18. Large group of