astronauts - Why aren't the humans wearing environmental suits in Star Wars spacecraft?

When NASA sends astronauts to space, they have to wear uncomfortable suits. Why aren't the humans in Star Wars spacecraft doing the same thing? What technology do they have on board that remove this need?

Answer

Real-world astronauts wear bulky space suits to protect themselves from extreme cold, radiation, and a lack of breathable atmosphere.

They only wear the suits if they are planning to enter such an environment (such as going outside their space station, or walking on the moon) or if they're about to do something dangerous where they are facing a higher risk of being exposed to such an environment (such as taking off or landing their spacecraft).

On board the International Space Station they do not wear the bulky space suits while going about their day-to-day activities.

Star Wars is similar. Most people on space ships do not wear protective suits, because the ship itself provides the air, warmth and protection they need.

Unlike our current real-world spacecraft, ships in Star Wars usually provide artificial gravity as well.

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