system
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human
[Star Wars: The Clone Wars] how are Plo Koon and his clones able to survive in space?

I understand that Plo is able to withstand the pressure of space for a short time (I assume it's a thing his species can do), but are the clones protected by their armor? And how do they breathe? I was under the impression their helmets acted as respirators at best

Also a semi related question, what is the purpose of Plo's goggles/eye shields? I know he has his mask because his planet has low oxygen or something like that, and it helps him cope in the rest of the galaxy, but do the eyes serve a similar purpose?
gpt
Plo's species are very hardy and can survive the hard vacuum of space for a short while. The goggles and masks his people wear keep them from being suffocated and blinded by what would be an otherwise toxic gas mixture that most species breath normally. 
As for the clone armor similar to stormtrooper armor it has a built in air supply allowing for short jaunts in space or underwater without additional air tanks. Once the system detects unbreathable air or lack of it seals the external filters and begins recycling its internal air supply. It lasts only a few minutes but is enough that with proper breathing and decisive action can make all the difference.