I always wonder what a space death would be like every time they jettison someone out the airlock on Battlestar Galactica. Dramatic and painful perhaps, similar to drowning…but just imagine the view. I’ve never thought of asphyxiation as an acceptable dramatic death for myself, but soaring through space may be an exception.

At most, an astronaut without a suit would last about 15 seconds before losing conciousness from lack of oxygen. (That’s how long it would take the body to use up the oxygen left in the blood.) Of course, on Earth, you could hold your breath for several minutes without passing out. But that’s not going to help in a vacuum. In fact, attempting to hold your breath is a sure way to a quick death.

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