Do Aliens actually exist ?

everythingchangesbutblue said:
One microbe on a planet or moon in our solar system, that's all i need. Just one microbe and i will be convinced the universe is teaming with life, intelligent and otherwise. Even with panspermia i would still be convinced.
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Microbes could be very common but breaking through beyond that to anything resembling 2 celled could be incredibly rare. I saw something recently that said it happening here was a freak accident that wouldn’t ordinarily just happen.

I happen to think single cell is reasonably common but after that you’re shooting at 1 in a trillion or so once you have basic life.
 
Octavian said:
Microbes could be very common but breaking through beyond that to anything resembling 2 celled could be incredibly rare. I saw something recently that said it happening here was a freak accident that wouldn’t ordinarily just happen.

I happen to think single cell is reasonably common but after that you’re shooting at 1 in a trillion or so once you have basic life.
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2 bodies in one system with life would convince me it's everywhere. 1 in a trillion would mean what? a million civilizations in the universe? My guess would be billions.

EDIT. Just googled it, estimated 700 quintillion planets in the universe. So what's that? 1 in a trillion is 700 million? probably my shit maths but would be fuck tons.
 
everythingchangesbutblue said:
2 bodies in one system with life would convince me it's everywhere. 1 in a trillion would mean what? a million civilizations in the universe? My guess would be billions.

EDIT. Just googled it, estimated 700 quintillion planets in the universe. So what's that? 1 in a trillion is 700 million? probably my shit maths but would be fuck tons.
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But how many get through basic instinct life? Very few and very likely zero in our galaxy.

I’m not worried about ET showing up and trying to fight us anyway.
 
Octavian said:
But how many get through basic instinct life? Very few and very likely zero in our galaxy.

I’m not worried about ET showing up and trying to fight us anyway.
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Neither am i but you said 1 in a trillion that it does and all i am saying is that would still be a very high number. Like a said if 2 bodies (without all the others checked) in the same system have life then i believe the universe would be teaming with it and as we know 1 of those 2 bodies led to a civilization then i think again the universe would have loads of them. Only my opinion though.
 
everythingchangesbutblue said:
Neither am i but you said 1 in a trillion that it does and all i am saying is that would still be a very high number. Like a said if 2 bodies (without all the others checked) in the same system have life then i believe the universe would be teaming with it and as we know 1 of those 2 bodies led to a civilization then i think again the universe would have loads of them. Only my opinion though.
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I’m a pissed up moron from Oldham, you need to pay less attention to what I say about the universe ;-)
 
They are out there, but probably so far away its like having a relative living in Stoke, you would never hear from them. Or even want to. The universe that creates the stuff we came from is everywhere. To think it only hapened here is irrational and wrong. That doesnt mean they visit us, that as irrational given the distances and laws of physics.
 
With regard to intellegent life in the form of a species that could master space travel I always remind myself that out of the years the earth has been here there is only one species who has managed to leave out atmosphere and that was only achieved in the last 100 years.

I am sure there is life out there but the chances of us ever seeing it must be miniscule.
 
abu13 said:
With regard to intellegent life in the form of a species that could master space travel I always remind myself that out of the years the earth has been here there is only one species who has managed to leave out atmosphere and that was only achieved in the last 100 years.

I am sure there is life out there but the chances of us ever seeing it must be miniscule.
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Brian Cox reckons that the chances of cells multiplying beyond single celled life is what could be the big rarity. That single celled life exists in a lot of solar systems but getting beyond that is so rare that it means “aliens” as we imagine them aren’t in our galaxy.
 
Magicpole said:
They are out there, but probably so far away its like having a relative living in Stoke, you would never hear from them. Or even want to. The universe that creates the stuff we came from is everywhere. To think it only hapened here is irrational and wrong. That doesnt mean they visit us, that as irrational given the distances and laws of physics.
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