New View of Ice Thickness in Antarctica (IMAGE) European Space Agency Caption One of CryoSat-2's first synthetic aperture radar data images shows a track across central Antarctica -- an area never before charted by satellite. The fine structure in the ice surface, which would be blurred in data acquired by a conventional radar altimeter, is clearly visible. Credit ESA Usage Restrictions For non-commercial use only 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.