The Real Reason Interstellar Travel is Impossible _ Even for Future Humans
Close your eyes and drift toward the stars, a dream as old as humanity itself. But the universe has built walls we may never cross. The distances are so vast that even at the speed of light, reaching our nearest neighbor would take over four years. Human biology is another cage, with our lifespan barely reaching 120 years, a blink compared to the centuries such a journey would demand [citation:9]. Beyond that, cosmic radiation and the lack of a breathable atmosphere are constant threats to life [citation:14]. Interstellar travel is not just a technical problem; it is a confrontation with the…
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