Hong Kong Astronaut Joins China's Shenzhou-23 Mission, Pioneering Year-Long Space Experiment

China is preparing to launch the Shenzhou-23 manned mission to its Tiangong space station this Sunday, marking a significant step in the nation's ambitious space program. The expedition will not only relieve the current crew in orbit but also continue the station's scientific and operational activities. This mission is notable for several key milestones, including the participation of the first astronaut from Hong Kong and the commencement of China's first experiment involving a crew member staying in orbit for a full year.

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the community scientific of Hong Kong has integrated itself actively in the general development of the national space program

Lai Ka-ying, a payload specialist and former superintendent in the Hong Kong police force, will make history as the first member of the fourth batch of Chinese astronauts to travel to space. Her inclusion signifies Hong Kong's growing integration into China's national space program, with its scientific community actively contributing to its development. Notably, a payload developed by Hong Kong universities to detect greenhouse gas emissions was transported on the Tianzhou-10 cargo spacecraft.

The Shenzhou-23 mission will also pioneer China's first year-long orbital experiment. This initiative aims to gather crucial data on long-duration flights, enhance in-orbit medical systems, and expand operational experience. Wu Bin, deputy director of the astronaut system at the China Astronaut Research and Training Center, highlighted that a year-long mission presents significantly greater risks than shorter stays, particularly concerning astronaut health, operational performance, and safety. The astronaut selected for this experiment will also interact with two different crews during orbital rotations, necessitating enhanced psychological preparation and physical resilience.

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although the responsibilities are divided, the crew functions as a single team to maximize the group's capabilities

Overall, the Shenzhou-23 mission, the seventh manned flight during Tiangong's application and development phase, will undertake more than one hundred scientific projects. These projects span diverse fields including life sciences, materials science, space medicine, and new technologies, underscoring China's commitment to advancing space exploration and research.

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a year-long mission is not simply the sum of two six-month missions and warns of much greater risks, especially in areas such as health, operational performance and safety