Stock Photo - 20 July 2022, Baden-Wuerttemberg, Empfingen: A group of visitors tours the telescope of the Johannes Kepler Observatory. According to DLR, the Johannes Kepler Observatory telescope is the largest of its kind in Europe for observing objects in orbit. The goal of researchers from the DLR Institute of Technical Physics is to detect and locate objects as small as ten centimeters and thus determine their trajectory as precisely as possible - for example, to avoid collisions between space debris and satellites. Photo: Philipp von Ditfurth/dpa. - Empfingen/Baden-Wuerttemberg/Germany