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The idea that humans will eventually travel to and inhabit other parts of our galaxy was well expressed by the early Russian rocket scientist Konstantin Tsiolkovsky, who wrote, “Earth is humanity’s cradle, but you’re not meant to stay in your cradle forever.” Since then the idea has been a staple of science fiction, and thus become part of a consensus image of humanity’s future. Going to the stars is often regarded as humanity’s destiny, even a measure of its success as a species. But in the century since this vision was proposed, things we have learned about the universe and ourselves combine to suggest that moving out into the galaxy may not be humanity’s destiny after all.
Earth is an infant that has not figured out yet how to walk, we are still in the crawling stages and there must be older civilizations out there that have learned to fly long before we did, right? Are we so arrogant as a species to think we are the "Cats Meow" so to speak?
originally posted by: OccamsRazor04
So we went from space travel to stone tools and lost all knowledge? How do you propose that happened?