The payload module of MetOp-C, Europe’s latest weather satellite, seen through the side door of Europe’s largest vacuum chamber, the 10 m-diameter Large Space Simulator, during testing in March 2017. This simulator is part of ESA’s Test Centre in the Netherlands, the largest facility of its kind in Europe, providing a complete suite of equipment for all aspects of satellite testing under a single roof. See http://www.esa.int/spaceinimages/Images/2017/03/MetOp_inside_the_LSS
