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... region, that even the most formidable and unimaginably powerful sentient civilizations would fail to fully explore!
When it comes to space travel, distance always poses the greatest challenge.
Even between companion stars, the unit of distance is often light-years. Light itself, with a speed of three hundred thousand kilometers per second, requires more than a year to traverse this distance. And this is the closest astronomical unit in the starry sky. If one were to measure the ...
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