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[–]radicalcentristNational Centrism[S] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

You are ignoring a couple things. First off just how vast the distances are that were talking about.

To an Ant or even Microbacteria, the Earth itself is like a giant galaxy that they can never explore on their own, without evolution changing certain traits about them. Similarly, applying a Human understanding of travel/distance to an advance Alien civilization is naïve. Science fiction tackles these scenarios all the time, and 99% the answer always comes down to harnessing technology that is just way too advance for people in the present to understand.

It doesnt matter whether such a theoretical civilization has the desire and capability of exploring the universe, the factors just mentioned make it almost irrelevant UNLESS the universe was teeming with advanced civilizations, and we can reasonably surmise that its not, or at the very least our galaxy isnt.

Well I never said that Aliens have to exist in OUR galaxy. But that's completely different from saying they don't exist at all in the entire universe. For whatever reason why we may or may not have been visited, that is for future Humans to explain to their generation if they make contact.