At night, artificial light can block our view of the stars. Night light pollution levels determine how well stars can be seen, and are based on a scientific scale that measures the brightness of the night sky. Photographer Sriram Murali filmed timelapse videos of the Orion constellation from eight different locations to show that more stars are visible when farther away from cities.
Check out the rest of our videos: https://goo.gl/A8gZvx
Quartz is a digitally native news outlet dedicated to telling stories at the intersection of the important and the interesting. Visit us at https://qz.com/ to read more.