神舟二十一号｜我国瞄准10月31日23时44分发射神舟二十一号载人飞船

Core Points - The Shenzhou-21 manned spacecraft is scheduled for launch on October 31 at 23:44, with a crew of three astronauts: Zhang Lu, Wu Fei, and Zhang Hongzhang [1][2] - This mission marks the sixth manned flight during the application and development phase of the space station and the 37th flight of the manned space program [2] Group 1 - The primary objective of the Shenzhou-21 mission is to complete an in-orbit crew rotation with the Shenzhou-20 crew, stay in the space station for approximately six months, and conduct various scientific and application tasks [2] - The mission will involve extravehicular activities, cargo operations, installation and recovery of space debris protection devices, and educational outreach activities [2] - The spacecraft will utilize an autonomous rapid rendezvous and docking mode, docking with the Tianhe core module approximately 3.5 hours after entering orbit [2] Group 2 - The Shenzhou-21 crew includes experienced astronaut Zhang Lu, who has previously flown on Shenzhou-15, while Wu Fei and Zhang Hongzhang are on their first flight [1][2] - The current status of the spacecraft and ground systems is stable, with all conditions met for the launch [2]