What the Night Sky Would Look Like with No Light Pollution

  “Skyglow” is a term used to describe the brightness of the night sky in a built-up area as a result of light pollution. In the video above, timelapse artists Gavin Heffernan and Harun Mehmedinovic combine timelapse astrophotography—filmed at some of the darkest skies in North America&mdas;and splice the footage with night timelapses of major…