Related Clues:
- 'The ___ is falling!' (Chicken Little's cry)
- Blimp's locale
- Massive patch of blue
- Place to see a shooting star
- View from an airplane window
- Aviator's setting
- Upper part of landscape art
- Flying kite's domain
- Apt rhyme for 'high'
- Expanse above
- Zodiac's setting
- It can be blue or gray
- It’s dark at night
- It's blue on a clear day
- Place for vapor trails