Shenzhou-20 Crew Completes a Wide Variety of Tasks | China Space Station
The Shenzhou-20 crew aboard China's Tiangong space station conducted an assortment of scientific experiments and tests last week, according to the China Manned Space Agency (CMSA). China launched the cargo spacecraft Tianzhou-9 on July 15, 2025, and it successfully delivered supplies for its orbiting Tiangong space station.
Tianzhou-9 is loaded with essential supplies, totaling approximately 6.5 tonnes, including consumables for the orbiting crew, propellant, and equipment for application experiments and tests. This is the largest amount of cargo sent to the space station since Tianzhou-6.
After receiving the equipment and supplies, the Shenzhou-20 crew conducted various experiments, research tasks, and tests.
In the field of aerospace medicine, the crew transported cell experiment units to the human system research cabinet to carry out relevant experiments, and completed manual observation of sample images, sample recovery and preservation, plus other related tasks.
This research not only contributes to the study of the impact of long-term space flights on astronauts' physical functions, but it also relates to general health issues of people back on Earth.
In the field of space life science and biotechnology, multiple scientific experiments have been carried out using the biotechnology experiment cabinet, including the study of the influence and mechanism of the microgravity environment in space on the migration of skeletal muscle precursor cells, and research on the biological functions of nucleic acid lipid nanocarriers in the microgravity environment. The obtained data will help expand researchers' understanding of the physiology and pathology of organisms, and provide fundamental support for human health concerns.
Additionally, during the past week, the Shenzhou-20 crew carried out musculoskeletal research experiments by collecting foot pressure and joint kinematics data during running and resistance exercises under a range of load conditions during flight, and obtained the mapping relationship between exercise state parameters and foot pressure.
Furthermore, astronauts used equipment to complete sliding tests and obtained data for studying the variation laws and cognitive mechanisms of fine motor control under microgravity conditions.
In the field of microgravity physical science, the crew, in accordance with the scientific experiment arrangement of microgravity combustion, completed the replacement of the sampling cover of the gas experiment plug-in, along with the setting and restoration of the state of exhaust gas emission, and other tasks.
Finally, the Shenzhou-20 crew completed assignments that included equipment inspection and maintenance of the regenerative life support system, environmental monitoring within the station, transfer of cargo packages and material organization, routine medical examinations and weightlessness protection exercises.
Duration: 2 minutes
Release Date: July 27, 2025
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