@arkandel said in Life... in outer space!:
But I mean! From the scenarios described in the Fermi Paradox (the OP link!) which one would you say is closest to what you subscribe to?
I kind of like the ant-hill theory; you have ants living next to a super highway. How would the ants know to recognize it for what it is or figure out the reasons for which it had to be built? Even if the ones who're building it wanted to communicate, how would they? What would there be to talk about?
Ants!
I honestly stopped reading it (or I kept reading but stopped paying it any attention as a legit article) when I came across the "math argument" which is overdone so much it's become a cliche.
Over 100 years ago Nikola Tesla said: "Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality." That not only hasn't changed but it's gotten worse.
In this particular case there are just too many unknown elements. Sure, there are (conservatively) 500 billions of billions of sun-like stars and math doesn't lie. That is based on our current knowledge and understanding, which means that the 2018 definition of 'a sun-like star' may or may not represent anything resembling a star that is sun-like in full reality. What if gravitational factors play into the formation of life? What if, for example, the exact distance of our sun from the supermassive black hole at our galactic center and the exact distance of our planet from our sun and the exact distance of our galactic center from the (theoretically plausible) supermassive black hole at the center of the whole universe and even the relative distances of our galactic center from other galaxies (and those galaxies' distance from the center of the universe) all played a part in the formation of life on this specific planet? What algorithm reduces 500 billion-billion plausible sun-like stars to the number of sunlike stars with earth-like planets in Milky Way-like galaxies? So even though the math doesn't lie, we could very well be simply doing the wrong math.
So we're sitting here passively listening with projects like SETI instead of actively transmitting our own signals in every direction on all those possible communication vectors. Why? I think it's because the people who decided whether we were going to passively listen or actively seek asked themselves these questions:
Would we even seriously want to be in contact with sentient extraterrestrial life if they were going to turn out to be just like us philosophically but much further advanced technologically?
Would you broadcast your home address on a HAM radio knowing that the signal might be picked up by a psychotic dictator or religious extremist or bored serial killer in the market for fresh meat?
Would you really (be well-advised to) trust anyone who deliberately contacted you based on such a transmission?
I think if there actually were any intelligent life in the universe they'd be passively listening just like we are and for the same reasons. I think debating it is a little bit pointless until or unless we start actively seeking. I think anyone who wants to start actively seeking is suicidally stupid at best and deliberately suicidal/genocidal toward our own planet at worst.
I don't really believe there isn't intelligent extraterrestrial life in the universe, I just don't at all believe intelligent life would make any attempt to interact with humanity on earth.