神舟二十号航天员乘组平安凯旋 创在轨驻留时长新纪录

Core Points - The Shenzhou 21 manned spacecraft successfully landed at the Dongfeng landing site on November 14, 2023, with all three astronauts, Chen Dong, Chen Zhongrui, and Wang Jie, safely exiting the capsule and in good health [1][2] - The mission lasted 204 days, setting a new record for the longest single crew stay in space for Chinese astronauts, during which they conducted four extravehicular activities and numerous cargo operations [2] Summary by Sections Mission Overview - The Shenzhou 21 spacecraft's return command was issued at 14:49 on November 14, leading to the successful separation of the orbital and return modules [1] - The return capsule was successfully landed, and the search and rescue team promptly reached the landing site [1] Astronaut Statements - Astronaut Chen Dong expressed pride in completing the mission and highlighted the success of China's space program [1] - Astronaut Chen Zhongrui noted the close cooperation within the crew to accomplish all assigned tasks [1] - Astronaut Wang Jie emphasized the ongoing nature of space exploration and his commitment to contributing to this field [2] Scientific Contributions - The crew completed a variety of scientific experiments in areas such as microgravity fundamental physics, space materials science, space life science, aerospace medicine, and aerospace technology [2]