This Physics Paradox Prevents Aliens From Crossing The Galaxy | Carl Sagan

What if a fundamental paradox of physics is preventing alien civilizations from ever crossing the galaxy? Inspired by Carl Sagan, this video explores the immense distances between stars, the speed-of-light barrier, and the staggering energy demands of interstellar travel. From Einstein’s relativity to the mysteries behind the Fermi Paradox, discover why the Milky Way may be far less connected than science fiction imagines.
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Видео This Physics Paradox Prevents Aliens From Crossing The Galaxy | Carl Sagan канала Carl Sagan Physics