Pluto-Orbital-Tour-Design (IMAGE) Southwest Research Institute Caption The SwRI-developed Pluto orbital tour design shows scientific objectives can be met with only tiny fuel resources and numerous gravity assists using Pluto's giant moon Charon. Credit Image Courtesy of Southwest Research Institute Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes 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.