Sputnik Planum (IMAGE) Purdue University Caption The polygons of Pluto's Sputnik Planum region are shown in an image captured by the Long Range Reconnaissance Imager on NASA's New Horizon's spacecraft. Credit (Image courtesy of NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute) 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.