4 ms·Really? Citation please.by gadders 8y agoReally? Citation please.lmm 8y agohttp://www.esa.int/Our_Activities/Human_Spaceflight/Astronauts/Daily_life http://www.esa.int/Our_Activities/Human_Spaceflight/Astronau...gadders 8y agoCool, thanks for that!wnevets 8y ago>but warm air does not rise in space so astronauts in badly-ventilated sections end up surrounded by a bubble of their own exhaled carbon dioxide. Whoa, I didn't think about that.