XMM mirror module #3

XMM mirror module flight model #3 on a test bench at DASA in Ottobrunn, Germany. ESA's X-ray Multi-Mirror (XMM) high-throughput X-ray spectroscopy mission will be launched by Ariane-5 in early 2000. XMM will carry three mirror modules, each comprising 58 thin gold-plated nickel nested mirror shells of 300-700 mm diameters. [Image Date: 1998] [99.01.005-002]