You have to take into account that all the water in your body will start to boil in the vacuum of space. So is your brain.
- Correct it's like freeze drying, every cell would burst.
- Another problem is that when the sun hits you temperature will go way up to over 100 C which would allow chemical if not biological degradation. DNA may even break down at those temperatures. Outside of Earth orbit you would ALWAYS be in the sun.
- The body would be bombarded with a lot of radiation with 0 biological repair to counter it.
So yeah any aliens trying to resurrect you would have a TOUGH time. They MIGHT be able to clone you, but even that would likely require computationally averaging out all the DNA damage to arrive at the original DNA.
Also it depends on where in space you are. Not all space is cold. Even remote space. Within humanity's life time our solar system has traveled into the remains of a super nova that's millions of degrees hot. The solar wind keeps it from interacting with us (like a shielding flux). But if you were in interstellar space there is no guarentee that your equilibrium temperature would actually be cold. It might take a long time to heat up because the partical interactions wouldn't be frequent but you wouldn't exactly be conducting heat outward.
The other way to drop temperature is to shed gas and pressue yourself. So maybe if you outgas a ton into space you will cool off. But that would be water which has its own problems. Either you are wet and warm or cold and evaporating/sublimating.
remains of a super nova that's millions of degrees hot.
That is a misunderstanding. By the time solar winds from such stars reach interstellar space or our system it's cold and almost indistinguishable from pure vacuum.
Once you're out by around Jupiter I reckon or beyond it's going to be cold even in the sun because at that distance our sun just acts like a big star in the night sky rather than a sun.
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