I hope that China's aerospace progress is visible to the naked eye! This time, the three astronauts of Shenzhou 17 did not carry the portable fan of the square box with their hands during the boarding process!
The sealing of the spacesuit is extremely good and it is certainly not breathable. After the astronaut wears the spacesuit, if the ventilation equipment is not connected to the air circulation inside and outside the spacesuit, the body heat and breathing steam generated by the normal metabolism of the astronaut cannot be discharged from the outside of the spacesuit, and the astronaut will sweat a lot in a short time, which is very uncomfortable.
Therefore, it is routine to connect a spacesuit to a portable ventilator.
The three astronauts of China's Shenzhou 16 are like this:
The previous Shenzhou astronauts were almost like this:
The same goes for foreign astronauts:
I don't know what black technology the Chinese spacesuit is on, or because of today's weather - the ground temperature of Jiuquan in autumn is ten degrees, and it is normal for astronauts not to feel stuffy!
In any case, it is to wish the motherland's aerospace industry continuous and rapid progress!
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