Pressure:
If all of your orafices are sealed in some way (ears, eyes, mouth, noise, etc.)
*AND*
If you are being supplied with oxygen
Then simple vacuum exposure won't kill you. The skin is strong enough that it won't rupture over the pressure differential, and as long as that doesn't occur, internal body pressure will remain the same and all will be good.
Tempature:
Note that, by defination, vacuum is neither cold nor hot (regardless of "in sun" / "out of sun" or other factors). Tempature is a property of matter, and vacuum is defined as not having any matter in it. Bodies that happen to be in a vacuum (for example, a thermometer) do have tempatures, of course, but you are measuring the tempature of the body, not the tempature of the surrounding vacuum. Actually, this is always true (even in an atmosphere) -- take a thermometer and put it in the freezer for an hour, then take it out -- at first, the tempature will be near freezing, despite the fact that the room tempature is much higher. Hmmmm...
Now, bodies in a constant environment will eventually reach an equiliberum tempature with that environment, and that's what is meant when people speak of "Space is cold". But note that it takes a long time to reach this tempature -- far longer than it would in an atmosphere -- and the underlying assumption is that the object isn't trying to maintain some other tempature. Vacuum is a superb insulator (see "Thermos" in Wikipedia for a description as to why) and this applies in space as well as more controlled vacuums on the ground.
Given that a human body would indeed be trying to regulate its tempature, and given the slow loss of heat in a vacuum, it would certainly take some time before hypo/hyper-thermia set in. Per the article (and I agree with it, as a layman) you are far more likely to suffer from hyperthermia rather than hypothermia.
The above assumes that you are not being exposed high intensity radation (e.g. raw sunlight). In that scenario, really bad (and rapid) sunburn would be a factor in short order (< 10 minutes). That doesn't have anything to do with being in a vacuum, though...
tl;dr: If are supplied with sufficent oxygen, extended (> 10 minute) survival in deep space without a full space suit is likely -- in the shade. Even without oxygen (completely nude) you probably have ~5 seconds of useful functioning time (maybe 10, if you were expecting the decompression), and can be revived for another 30-90 seconds.





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