PetaPixel Satellite Images Show Much Light Pollution Has Increased


Three views of Earth from space at night, showing illuminated city lights across the continents against a dark background, with North and South America, Africa, and Eurasia visible from left to right.

Light pollution is a significant, increasing problem, and it doesn't just affect astrophotographers. Scientists using satellite imagery of Earth from 2014 through 2022 have found that human activity and artificial lights increased light pollution by 16 percent in just eight years.

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