Diagram of MMS Satellites' Orbits (IMAGE) NASA/Goddard Space Flight Center Caption Over three months in 2017, the MMS spacecraft transitions from the dayside magnetopause, to a new, larger orbit on the nightside, as shown in this visualization. This image shows the four satellites' orientation on March 15, 2017. Credit NASA's Goddard Space Flight Center/Tom Bridgman, visualizer 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.