[HCIdivision17]

I worked on vacuum systems. Space is not cold, nor hot, nor happy. It's sort of the wrong way of looking at it.

Vacuum isn't. It is a terrible conductor of heat. So bad, that after 15 minutes a very small battery powered pen camera started to red on the edges of the video: it was starting to heat up! The only way to cool off is via radiation, which takes quite a while. If you had a large array of very conductive, high surface area material, then you could get cold. But our skin isn't like that. Rather, it's wet and insulative. The membranes that are wet immediately suffer evaporative cooling, but once frozen will have to sublime to cool any more, which is slow. The skin is dead on the outside and has layers of insulation in the form of water and fat.

No, the research, testing, and industrial accident reports show that you die from oxygen deprivation. (And you can find vacuum labeled as an asphyxiate, since inhaling it is deadly...)

EDIT: I should note that the temperature of the vacuum really is very low. That's not disputable. But there just aren't enough atoms in a vacuum for it to feel cold. It's one of those times our intuition about units sort of sets us up for failure: temperature is an average kinetic energy of each particle, and normally there are enough particles to matter. In a vacuum there usually aren't. (I'm lying of course: high energy plasmas can definitely heat something up given a few hours.)