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I don't think the fermi paradox assumes that. Aliens don't have to want to be seen for us to see them. All it takes is one civilization failing to hide for us t
by colinmhayes 4y ago
I don't think the fermi paradox assumes that. Aliens don't have to want to be seen for us to see them. All it takes is one civilization failing to hide for us to see aliens, so the question then is "why has every single intelligent life form dedicated so many resources toward effectively hiding" or "if they're not doing that why haven't we seen them"
- gitfan86 4y agoFrom Wikipedia: "Even at the slow pace of currently envisioned interstellar travel, the Milky Way galaxy could be completely traversed in a few million years.[12]" The assumption is that they would be expanding to larger areas of the galaxy that they have not been to before. I'm asking why we would assume that they would want to expand to billions of solar systems. Obviously we can assume that humans would want to expand since we have a long history of that. But there is no reason to assume they would think like humans, especially given that we have not achieved interstellar travel ourselves.
- colinmhayes 4y agoThe beautiful thing about grabby aliens is that it only takes one grabby civilization for the theory to be true. It’s not assuming that there are tons of civilizations that act like that, it’s saying that if there is even one then we won’t see them until they conquer us.
- gitfan86 4y agoUnless that grabby civilization encounters a much more advanced passive civilization. And that passive civilization decides that the grabby one is a virus that needs to be eradicated.