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Originally Posted by Keyser.
Yeah, I was with you until that part, OP. Life is probably out there but space is kinda big. No one anywhere has probably figured out how to move faster than the speed of light, and if they can't, it makes them coming here virtually impossible.
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I think if its possible it has been discovered somewhere. There is no reason to believe that there isnt(or was nt) a civilization out there that has millions or even billions of years of technological advancement ahead of us. I doubt it so, as faster as light travel implies that time traveling is possible.
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Been reading lots about this stuff lately and I thought this gave some interesting perspective. The Voyager 1 is traveling at about 38,000mph and it left Earth almost 35 years ago. During that time it's traveled 16 light hours.
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Also interesting is that we've only been emitting radio waves for a little over a hundred years now. So only aliens within a 100 lightyears could "easily" know of our existence. Since we pretty much only emit digital stuff now it gets even harder to discover us.
Of course that is nothing compared to the distant future when the universe expands so fast that the light of other galaxys doesn't reach us anymore and it will look, for every of the countless galaxys, like they are alone in the universe.
In short, I believe there are aliens out there, but we will never even communicate with them.