Yes, Explosive Decompression Sucks

Famed astronomy blogger Phil Plait has a few sagely words to say to all sci-fi writers and movie directors about what happens when you’re suddenly exposed to the perilous vacuum of space. So what does happen? Does your body suddenly explode? Does your blood boil? Do your eyes pop out? Do you spontaneously freeze to a rock solid “corpsicle”? No, not really. According to Phil, you get a really nasty case of chapped lips, a dry tongue, some bad gas, and they you blackout and die from lack of oxygen. Well, that and few other nasty things…

Or you can read his post on this matter here.