国際宇宙ステーションのインスタグラム(iss) - 3月29日 21時40分
Astronauts @astro_feustel and @astro_ricky perform their in-suit light exercise and oxygen pre-breathe protocol to purge nitrogen from their bodies before starting today's spacewalk. It may look a little funny but this prevents decompression sickness when exiting the high pressure of the station to the low pressure of outer space.
#nasa #astronaut #spacewalk #outofthisworld #international #space #station
[BIHAKUEN]UVシールド(UVShield)
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