Earth Gravity Assist (IMAGE) NASA/Goddard Space Flight Center Caption This artist's concept shows the OSIRIS-REx spacecraft passing by Earth. Credit NASA's Goddard Space Flight Center/University of Arizona. 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.