The Air Up There: What Space Stations Smell Like

The Air Up There: What Space Stations Smell Like
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One interesting fact is that nitrogen is not replaced, except to compensate for leakage. The human body does not really utilise the inhaled nitrogen, so it is recycled.

What else? What is the temperature onboard? The temperature was set by the mission commander—me. I live in Houston, so I like air conditioning. The cabin was set to about 70 degrees Fahrenheit. (21ºC)

Follow astronaut Leroy Chiao in his guest column, as we celebrate human life in space with our /”Get Me Off This Rock” week. You can check out tons of great shots from Leroy’s ISS mission in his NASA gallery.