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Why would a visiting ET go through the process of negotiating with politicians and religious leaders etc.?
originally posted by: onebigmonkey
The number of random coincidences necessary for us to exist just here just now is incredible. The same number of coincidences would apply to other intelligent species.
For them to find us would be at the very least unlikely.
That is not to say that they aren't out there somewhere, I just doubt very much that they have ever made it here.
I believe some people want very much for aliens to be among us, and I believe other people make a lot of money from that. Dishonesty by the latter group needs exposing to protect the former.
For me, what we have around us is fantastic enough, it doesn't need fairy dust.
originally posted by: ScientificRailgun
I think of it like this: We must make a few assumptions first.
Assumption 1: We are an intelligent species, and are searching local galactic neighborhood for possibly habitable planets should we ever have need to abandon ours.
Assumption 2: We are a type-0 civilization, meaning if we DO find a habitable planet, it is unlikely we could reach it within a reasonable (few centuries) timeframe.
Assumption 3: If there are other intelligent species in the galaxy, it is reasonable to assume they must have also taken their eyes to these possible planets for habitability
Assumption 4: If there is a sufficiently advanced civilization out there, they must have also had the same idea, and searched. Being advanced, it must be assumed they would act on this search and colonize other worlds.
Assumption 5: Based on these assumptions, nearly every habitable planet in our local neighborhood of the galaxy is likely to house an advanced, or emergent civilization.
ETA: The question then becomes; why haven't we heard them?
The obvious answer is we probably have, but it's being swept under the rug by our leaders in fear of shaking our limited worldview.
Or, the other possibility is they communicate in ways we cannot technologically detect right now. To them, our transmissions and listening devices would probably be like a telegraph line compared to our modern cell phone network. Only magnified by a few hundred times.
We also have to develop the technology to go somewhere, and in the 14 billion years of the universe we managed to get somewhere a short spit away. Why would anyone else do any better in that time?
originally posted by: Soylent Green Is People
Plus, even if they have FTL space travel, it may still be a very difficult process to travel vast distances around the galaxy.