Quote:
Originally Posted by GoinAllTheWay
But basically the point I'm trying to make is the human civilzation has been around for a very, very short period of time. Who knows what we will look at differently in 10, 100, 1000 years?
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This is one of the best arguments as to why no advanced alien race would even know of us yet. We have been around in a blink of an eye, actually that is being generous considering the time scale of our planet, our universe and the mind boggling distances we are talking about with interstellar travel.
There is certainly theories and concepts that people look to when talking FTL travel, wormholes, bending space, etc.. But the idea from the OP here that we have been visited by aliens based on any rudimentary understanding of cosmology is incredibly silly and is why you will not find one serious astro physicist who thinks we are being visited.