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In this video, we explore the most horrifying distances in space that the human brain still can't truly process — from the Moon and Voyager 1 to Proxima Centauri, the Milky Way, Andromeda, the observable universe, and whatever may exist beyond our cosmic horizon.
You'll discover just how enormous the universe really is, why traveling to another star is almost unimaginable with today's technology, how long it would take to cross our galaxy, and why some regions of the universe may be permanently unreachable because of cosmic expansion.