中国瞄准10月31日23时44分发射神舟二十一号载人飞船

Core Points - China is set to launch the Shenzhou-21 manned spacecraft on October 31 at 23:44 Beijing time, with a crew consisting of Zhang Lu, Wu Fei, and Zhang Hongzhang [1] - The primary objective of the Shenzhou-21 mission is to conduct an in-orbit crew rotation with the Shenzhou-20 crew, stay in the space station for approximately six months, and perform various scientific and application tasks [1] - The Shenzhou-21 spacecraft will utilize an autonomous rapid rendezvous and docking mode, docking with the Tianhe core module approximately 3.5 hours after entering orbit [1] Mission Details - The Shenzhou-21 crew will engage in space science and application work, extravehicular activities, cargo operations, and installation of space debris protection devices [1] - The mission will also include public education activities and space-based experiments to maximize the comprehensive application benefits of the space station [1] - During the stay in orbit, the Shenzhou-21 crew will receive visits from the Tianzhou-10 cargo spacecraft and the Shenzhou-22 manned spacecraft [1] Shenzhou-20 Crew Status - The Shenzhou-20 crew has been in orbit for 188 days, potentially setting a new record for the longest duration of a Chinese astronaut crew in space [2] - Commander Chen Dong has become the first Chinese astronaut to exceed 400 days in space and has completed six extravehicular activities, making him the most experienced in this regard among Chinese astronauts [2] - The other two crew members, Chen Zhongrui and Wang Jie, are successfully completing their first flight missions [2]