关于这张图
Known as the cradle, the structure that supports the primary mirror on NASA's Astrophysics Stratospheric Telescope for High Spectral Resolution Observations at Submillimeter-wavelengths mission, or ASTHROS, keeps the mirror panels aligned. Made from carbon fiber, it and must be both lightweight and extremely rigid. NASA contracted Media Lario, an optics company in Bosisio Parini, Italy, to design and produce ASTHROS' full telescope unit, including the primary mirror, a secondary mirror, and supporting structure (called the cradle). The cradle is shown here at Media Lario. The mission's main …