Almost everyone observing the night sky in developed countries has to deal with light pollution. Light pollution pretty much scales with electric lighting, which scales as population times wealth. Skies in Colorado are on average much brighter than those in Wyoming, and parts of India have dark skies even though lots of people live there. In the US, there are hardly any dark skies left east of the Mississippi, and of course the west coast is also pretty well lit.
Category Archives: Light pollution
Light pollution physics, maps, classifications, and techniques for how to prevent and adapt.