I’ve seen things of people aging slower in space, but any time I look it up it always comes with like 15+ words I have to look up to understand or concepts im not aware of. How does this work, and is it considered to be a form of time travel?
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It’s not being in space per se but the speed at which you’re moving. The faster you move in space, the slower you move in time relative to someone travelling more slowly (e.g. on Earth).
If you took a trip to Alpha Centauri and back, travelling at close to the speed of light, you’d find on your return that you had aged significantly less than people left behind on Earth had, though you wouldn’t personally have any perception of time having slowed down.
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