Bright and Dark (IMAGE) Brown University Caption Patches of snow and bare ice near the edge of the snowline provide an illustration of the difference in reflectivity between the two surfaces. Credit Clément Miège 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.