Dust Cover (IMAGE) University of Copenhagen - Niels Bohr Institute Caption The image from the High Resolution Stereo Camera shows that a thick layer of dust covers the glaciers, so they appear as the surface of the ground, but radar measurements show that there are glaciers composed of frozen water underneath the dust. Credit (Credit: ESA/DLR/FU Berlin). Usage Restrictions (Credit: ESA/DLR/FU Berlin). 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.