Across
- 4. A celestial body that can give off light to create light pillars
- 5. Orientation of light pillars
- 7. Ice pillars occur under these conditions
Down
- 1. Orientation of falling ice crystals
- 2. Light _____ off of ice crystals to create light pillars
- 3. ______ optical phenomena
- 5. Light pillars are created by ____ images
- 6. Second word in the title of this presentation