Header Photo: Overhead image of Kankakee/Bradley, IL from Far Horizons high-altitude balloon test flight 118 on April 29, 2018. The image was shot from 24.5 kilometers up into the stratosphere. This flight was the first successful NiteLite test flight, proving that mapping light pollution in Chicago would be a possibility. Since the dawn of humanity, […] The post Mission NiteLite: Rescuing the Night Sky appeared first on Adler Planetarium .