Researching the Antarctic Ice Sheet (IMAGE) NASA/Goddard Space Flight Center Caption NASA researchers on the surface of the Antarctic Ice Sheet as part of the 88-South Traverse in 2019. The 470-mile expedition in one of the most barren landscapes on Earth provides the best means of assessment of the accuracy of data collected from space by the Ice Cloud and land Elevation Satellite-2 (ICESat-2). Credit Credit: NASA's Goddard Space Flight Center/Dr. Kelly Brunt 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.