首次启动应急发射 太空“换乘”展现中国航天“硬核”实力

Core Viewpoint - The successful launch of the Shenzhou-22 spacecraft marks a significant advancement in China's manned space emergency response capabilities, following the discovery of micro-cracks in the Shenzhou-20 spacecraft's window due to a collision with space debris [1][3]. Group 1: Emergency Launch Details - The Shenzhou-22 mission was an emergency launch triggered by the need to ensure astronaut safety after the Shenzhou-20 spacecraft sustained damage [3]. - The backup plan involved using the Shenzhou-21 spacecraft for the return of the astronaut crew, while the Shenzhou-22 was launched as a replacement [3]. Group 2: Backup System and Safety Measures - Since the Shenzhou-12 mission, China has implemented a "one launch, one backup" rolling backup mode for manned spacecraft, allowing for rapid transition to launch status in emergencies [5]. - The mission adhered to three core principles: prioritizing life, ensuring safety, and maintaining the basic technical state of the rocket [5]. Group 3: Technological Improvements - The Shenzhou-22 spacecraft is the first of a new batch, featuring significant upgrades to its instrument system for a more user-friendly interface and increased space in the return capsule [7]. - The instrument panel has been miniaturized, allowing for greater installation space for downlink payloads [7]. Group 4: Cargo and Supplies - The Shenzhou-22 spacecraft is unmanned and carries essential supplies, including food, medicine, fresh fruits and vegetables, and equipment to address the window crack issue on the Shenzhou-20 [8][10]. - This mission is the 38th launch in China's manned space program and the first emergency launch in the program's history [10].