- MPE is a worldleading institute in space- and groundbased experimental astrophysics, with leading roles in a number of large astronomical projects. The High-Energy Group at MPE carries out major space hardware programs, including the development of X-ray detectors and X-ray optics. The group has contributed significantly to Chandra and XMM‑Newton and has more recently led the development of the eROSITA X-ray telescope, launched in 2019...