Sputnik Planitia (IMAGE) Hokkaido University Caption The bright 'heart' on Pluto is located near the equator. Its left half is a big basin dubbed Sputnik Planitia. Figures created using images by NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. Credit Figures created using images by NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. Usage Restrictions These figures are copyrighted and can be used for reporting this study without obtaining permission if properly credited. 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.