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Why can't scientists, especially physicists, accept that there is absolutely no reason to believe in the existence of aliens? I recently got into a heated debate with my university study group (I'm an MSc Molecular Biologist student, two engineer undergrads, and a physics MSc student) and they ALL were adamant that either: alien life is out there OR fermi paradox bullshit.
So now I'm asking are there any fellow scientists who believe that there are no aliens in the universe? I feel like I'm taking crazy pills because from my POV believing in aliens is no different than being religious. It's an argument from 'probability', i.e. 'the universe is SO big it has to have aliens', this to me is like saying 'the laws of physics are so complex there HAS to be a god'.
Furthermore we have had access to radio technology for over a hundred years. To the best of my knowledge not once have we picked up a single transmission from an alien civilisation. This means in a 100 light year radius there are NO transmissions, and since the universe is 14 billion years old and life is 4 billion years old it seems almost certain that IF there was alien life then it could have evolved at drastically different points of time from us, so if they discovered radio 1000 years ago and were 1000 light years away, we should be receiving their signals. I can't be bothered doing the statistics but in conclusion the 100 year 'bubble' of radio silence is even bigger theoretically when you adjust for time scales. For example a civilisation 10,000 light years away could have discovered radio 10,000 years ago etc. etc.
The total radio silence is a tiny piece of evidence, but against the 'no evidence' for alien life it feels like the rational decision to conclude there is no alien life. We cannot determine any kind of probabilistic function from a single data point (us) so how can we even attempt to speculate at the distribution of life in the cosmos. It just strikes me as dumb caveman-tier thinking. Right?
So now I'm asking are there any fellow scientists who believe that there are no aliens in the universe? I feel like I'm taking crazy pills because from my POV believing in aliens is no different than being religious. It's an argument from 'probability', i.e. 'the universe is SO big it has to have aliens', this to me is like saying 'the laws of physics are so complex there HAS to be a god'.
Furthermore we have had access to radio technology for over a hundred years. To the best of my knowledge not once have we picked up a single transmission from an alien civilisation. This means in a 100 light year radius there are NO transmissions, and since the universe is 14 billion years old and life is 4 billion years old it seems almost certain that IF there was alien life then it could have evolved at drastically different points of time from us, so if they discovered radio 1000 years ago and were 1000 light years away, we should be receiving their signals. I can't be bothered doing the statistics but in conclusion the 100 year 'bubble' of radio silence is even bigger theoretically when you adjust for time scales. For example a civilisation 10,000 light years away could have discovered radio 10,000 years ago etc. etc.
The total radio silence is a tiny piece of evidence, but against the 'no evidence' for alien life it feels like the rational decision to conclude there is no alien life. We cannot determine any kind of probabilistic function from a single data point (us) so how can we even attempt to speculate at the distribution of life in the cosmos. It just strikes me as dumb caveman-tier thinking. Right?
