“太空实验室”孕育科学梦想 回顾中国空间站这三年

Core Insights - The Chinese space station has successfully completed its "T" shape assembly in orbit, marking a significant milestone in its construction over the past three years [1] - The space station has hosted 8 Shenzhou spacecraft and over 20 astronauts, leading to numerous scientific achievements [1] Group 1: Construction and Milestones - The successful relocation of the Mengtian laboratory module signifies a key step towards the completion of the Chinese space station [1] - On November 30, 2022, the Shenzhou 14 and Shenzhou 15 astronaut crews met in the space station, marking a historic moment [1] Group 2: Scientific Research and Achievements - The Shenzhou 15 crew set a new record for the number of extravehicular activities by a single crew, completing four tasks during their mission [3] - The space station has become a "space laboratory," enabling long-term scientific research in microgravity and cosmic radiation [6] Group 3: Specialized Research Contributions - Two scientists have served as payload specialists aboard the space station, with the first being Gui Haichao in May 2023 and the second Zhang Hongzhang in October 2023 [5] - The space station has successfully conducted various experiments, including the heating of tungsten alloy to over 3100°C, setting a new world record in space metallurgy [8] Group 4: Agricultural and Biological Research - The space station has cultivated various plants, achieving a full lifecycle experiment with rice, resulting in the first space-grown rice and regenerated rice [10] - Several model organisms, including nematodes and zebrafish, have been used for life sciences research, with mice being introduced for further studies [12] Group 5: Data and Outcomes - As of December 1, 2024, the space station has implemented 181 scientific and application projects, sent nearly 2 tons of scientific materials, and collected over 300TB of scientific data [14]