我国首套退役空间站舱外服随神20飞船返回地球

Core Viewpoint - The article highlights the successful return of China's first retired space station extravehicular suit, which has completed its mission and exceeded its design lifespan, marking a significant achievement in China's space exploration efforts [1] Group 1: Extravehicular Suit Details - The extravehicular suit B, weighing over 100 kilograms, was launched into the Chinese space station on May 29, 2021, aboard the Tianzhou-2 cargo spacecraft [1] - It is the first batch of in-orbit extravehicular suits for the Chinese space station and represents the second generation of China's "Feitian" extravehicular suits, designed for a lifespan of three years with at least 15 extravehicular activities [1] - The suit has successfully supported 20 extravehicular activities across 8 manned flight missions, setting a world record for a single extravehicular activity lasting 9 hours [1] Group 2: Future Research and Development - Following its return, the extravehicular suit B will undergo a series of tests and analyses to provide valuable data for future in-orbit longevity and design improvements [1] - Research will focus on in-orbit maintenance, repair design, reliability enhancement, and understanding the degradation of materials and structures [1] - This research is expected to lay a solid foundation for the development of lunar exploration suits [1]