2026-04-17
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The China Manned Space Agency has released a new video diary offering a detailed look at the daily work
of the three Shenzhou-21 astronauts.
Aboard the Tiangong space station with a focus on a series of advanced aerospace medical experiments conducted 160 days
into their mission according to the agency the astronaut trio has completed a series of cognitive function
and emergency decision-making tests as part of ongoing efforts to monitor how long-term spaceflight
affects human performance in isolation and microgravity.
In the video, a key highlight is the crew's use of a space Raman spectrometer
to analyze the metabolic components of urine samples.
The data collected will help refine metabolic indicator systems and evaluation criteria
for astronaut health during long duration spaceflight.
The three astronauts also collected and froze saliva samples,
which will be analysed on the ground to help researchers study gut flora and digestive function.
In the field of microgravity physical sciences the crew replaced samples in the fluid physics experiment cabinet
exchanged burners and gas cylinders in the combustion science cabinet and cleaned samples
from the containerless experiment chamber the shenzhou 21 manned spacecraft was launched from the Zhou Chen Satellite