Shenzhou-20 Crew Advances Multi-domain Research | China Space Station
China's Shenzhou-20 crew members, in orbit for over 170 days, have been working in close coordination to advance a variety of research tasks aboard the country's Tiangong Space Station.
Since entering the space station in late April 2025, astronauts Chen Dong, Chen Zhongrui, and Wang Jie have been conducting research activities as part of their six-month mission.
The crew is preparing for their return to Earth, scheduled for late October.
In the field of space medicine, the crew have utilized laptops and specialized equipment to complete behavioral tests for several experiments, including studies on visual fields, functional training, and metacognitive monitoring. They have also conducted electroencephalogram (EEG) experiments to gather crucial data on the effects of long-term spaceflight on astronauts' perception and cognitive abilities. Additionally, they have researched perception of gravity from visual motion using a visual function measurement device, eye tracker, and testing software.
The crew have collected and preserved saliva samples to study how changes in gut microbiota during long-term spaceflight affect human's metabolism and gastrointestinal function. They have also used a space Raman spectrometer to analyze metabolites in urine samples. The collected information will help in improving the metabolic indicator system and evaluation criteria.
In materials science, the astronauts have cleaned samples in the containerless cabinet experiment chamber, changed out samples, maintained the electrodes of the axial mechanism, and replaced window cover lenses. They have also installed samples for the fifth batch of microbial control technology cultivation chips.
For health monitoring, the crew have performed ultrasounds on their abdomens, muscles, and cardiovascular systems, providing valuable data that enables ground teams to closely monitor their health.
The crew also conducted equipment inspections and station management activities as part of their routine work.
Duration: 1 minute, 42 seconds
Release Date: Oct. 19, 2025
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