载人航天应急救援
Search documents
神舟二十二号飞船应急“太空救援” 发射任务时间压缩一半仅用16天
Nan Fang Du Shi Bao· 2025-11-26 23:05
Core Points - The Shenzhou-22 spacecraft was successfully launched on November 25, marking China's first emergency manned space mission due to the delayed return of Shenzhou-20 caused by a suspected collision with space debris [3][5][11] - The launch utilized a 16-day emergency preparation process, significantly shorter than the usual 30-day timeline, demonstrating the efficiency of the Chinese space program [7][8] - Shenzhou-22 is an unmanned mission carrying supplies for the space station, including food, medicine, and equipment to address issues from the previous mission [6][10] Launch Details - The Long March 2F rocket lifted off from the Jiuquan Satellite Launch Center at 12:11 PM, successfully separating from the spacecraft approximately 10 minutes later [5][6] - The spacecraft docked with the Tianhe core module of the space station at 3:50 PM on the same day [5] Emergency Launch Process - The emergency launch was initiated after the Shenzhou-20 mission faced safety concerns due to space debris, leading to a rapid transition to launch readiness [4][11] - The preparation involved advanced planning and division of tasks to ensure that non-time-sensitive work was completed ahead of time [7] Technological Improvements - Shenzhou-22 features several technical upgrades, including enhanced human-machine interaction design and improved payload capacity [8][9] - The spacecraft is designed to support the return of astronauts from Shenzhou-21, despite being launched in an unmanned state [6][10] Space Debris Concerns - The incident with Shenzhou-20 highlights the dangers posed by space debris, which travels at speeds exceeding 7 kilometers per second [11][12] - The increase in space debris is attributed to various factors, including defunct satellites and operational waste from space missions [11][13]