Long-Exposure Photograph of a Moonlit Sky (IMAGE) Lund University Caption Long-exposure photograph of a moonlit sky. While poor resolution prevents dung beetles from discriminating fine details such as trees, tents and cars, they are remarkably sensitive, perceiving the polarized light in the blue moonlit sky that appears dark to human eyes. Credit James Foster Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.