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Core Points - The Shenzhou 21 manned spacecraft successfully landed at the Dongfeng landing site on November 14, 2025, at 1:16:40 AM Beijing time [2] - The Shenzhou 20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, spent 204 days in orbit, setting a new record for the longest single crew stay in space for Chinese astronauts [2] - During their mission, the crew conducted four extravehicular activities and multiple cargo operations, completing numerous space science experiments in fields such as microgravity basic physics, space materials science, space life science, aerospace medicine, and aerospace technology [2]