Solar Orbiter instrument boom deployment test
ESA's Solar Orbiter undergoing an instrument boom deployment test at the IABG facilities in Ottobrunn, Germany in March 2019.
Solar Orbiter will perform a close-up study of our Sun from within the orbit of planet Mercury. It will combine in situ and remote sensing measurements to gain new information about the how our local star works.
Solar Orbiter is an ESA-led mission with NASA participation.