3 ms·

Just remember: in low gravity, always sleep with a fan on or you can die of suffocation. Just in case that ever comes up, you know.

• gadders 8y ago
  Really? Citation please.
  • lmm 8y ago
    http://www.esa.int/Our_Activities/Human_Spaceflight/Astronauts/Daily_life http://www.esa.int/Our_Activities/Human_Spaceflight/Astronau...
    • gadders 8y ago
      Cool, 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.