Imagery of Ganymede (IMAGE) University of Hawaii at Manoa Caption NASA's Voyager background imagery underlying Galileo high-resolution imagery of the Tiamat Sulcus region of Ganymede. Scale bar in lower right indicates distance. Credit NASA and Cameron <em>et al</em>. (2018) Usage Restrictions Image may only be used with appropriate caption and credit. 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.