|Image from NASA's The Gateway to Astronaut Photography of Earth|
Certainly there are no lighting controls where light is beamed up on a regular basis. The Luxor is a light trap that ensnares insects and birds alike with its bright beams. The glow can be seen many miles away in Death Valley. For another nighttime view of Vegas from the ground be sure to check out this GigaPan image.
Check out the video below, Does Las Vegas Care About their Light Pollution?