Shenzhou-20: Science Experiments, Emergency Drill | China Space Station
The three astronauts aboard China's Shenzhou-20 spacecraft—Chen Dong, Chen Zhongrui, and Wang Jie—carried out a series of tasks within the Tiangong Space Station last week, including space science experiments, a full-system pressure emergency drill, and equipment inspections and maintenance.
Since their arrival on April 25, 2025, the crew has been actively engaged in research activities in Tiangong Space Station that functions as a national space laboratory.
Last week, the astronauts focused on observing samples for studying the microbial effects on cell tissue culture modules.
In collaboration with ground-based researchers, the Shenzhou-20 crew successfully completed their first full-system pressure emergency drill. The drill simulated an internal pressure loss aboard the space station, with the astronauts and ground personnel working together to complete the emergency response procedure.
The crew also performed an inspection of the low-temperature storage device in the Wentian lab module, which is critical for preserving biological samples. This device ensures the long-term storage of samples, an essential component for space biological science experiments.
In addition to scientific work, the astronauts carried out regular inspections and maintenance on three extravehicular spacesuits. They also checked and adjusted various pieces of equipment onboard.
Maintaining a clean and organized environment is another key responsibility for the crew.
Last week, the crew cleaned the node module of the Tianhe core module and the airlock cabin of the Wentian lab module, organized and transferred supplies, and handled waste storage and disposal.
Physical health and well-being are also a priority. In addition to daily exercise, the astronauts underwent several medical checks, including ECG tests, dynamic electrocardiograms, blood pressure monitoring, and lung function tests. The data gathered from these tests helps ground researchers keep a close watch on the astronauts’ health while they are in orbit.
Chen Dong (陈冬) - Commander - Third spaceflight
Chen Zhong Rui (陈中瑞) - Operator - First spaceflight
Wang Jie (王杰) - Flight Engineer - First spaceflight
Duration: 1 minute, 48 seconds
Release Date: May 18, 2025
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