Aliens

Tsar said:
But dude the universe in infinite. There are infinite chances that there is life like us.
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Um, the universe is not infinite; well, at least according to the majority of our astrophysicists/astronomers/other science-type people (Einstein and Hawking included). Have a quick Google and you'll see almost infinite (drum roll please) reasons why this is so.

Now, if you take this finiteness into account, and work it into the already minuscule odds of reproducing another planet capable of hosting life, it's pretty easy to see why we'll never come into contact with other intelligent beings.
 
Tsar said:
Um that is very constructive.
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Hehe, I try. Seriously though, what difference would it make? because if and I emphasize IF there are, it isn't going to be up to us to meet them otherwise I suspect they might have introduced themselves by now don't you think?

Someone said by simply considering the sheer size of the universe, there must be life out there. So, simply by the amount of time that has passed, surely we would have contact by now if they existed. Or they are simply not capable of traveling in which case there is no definitive proof they exist.

If a tree falls in the forest, but no one sees or hears it, did it then indeed fall?
 
RustPuppet said:
Um, the universe is not infinite; well, at least according to the majority of our astrophysicists/astronomers/other science-type people (Einstein and Hawking included). Have a quick Google and you'll see almost infinite (drum roll please) reasons why this is so.

Now, if you take this finiteness into account, and work it into the already minuscule odds of reproducing another planet capable of hosting life, it's pretty easy to see why we'll never come into contact with other intelligent beings.
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but views of the universe changes as time goes on. There are other dimensions and that a during the roman times they thought that the universe was a sun and a few planets.
 
DenSweeP said:
If a tree falls in the forest, but no one sees or hears it, did it then indeed fall?
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Interestingly enough, if a tree falls in the forest and no one is around to hear it, it actually doesn't make a sound. I shit you not.


Tsar said:
but views of the universe changes as time goes on. There are other dimensions and that a during the roman times they thought that the universe was a sun and a few planets.
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Ironically enough, the Romans were amongst the first to posit the theory that the universe is infinite, a theory that is now widely discounted. Do yourself a favour dude a read up a bit more on the whole lack of infinity thing; you can't argue a theory when you don't know the current facts.
 
RustPuppet said:
My answer is no. Let me explain why.

If you read Bill Bryson's book "A Short History of Nearly Everything", most notably the chapter titled 'Lonely Planet', he explains just how lucky we are to actually exist. For example, if we were just a few percent closer or further from the Sun, we wouldn't be here. Also, our moon is the exact right size and distance to provide the gravitational influence necessary to keep us in check and allow for successful development of life. Furthermore, the Earth itself is made of just enough stuff to keep the interior molten and the exterior crusty, the atmosphere breathable, and the elements in perfect quantities to sustain us. And any deviations in any of these factors would result in insta-extinction.

From this, the way I see things is that we basically won the Existence Lottery with odds of several-bazillion-to-one: the chances of there being another planet even remotely similar to ours (i.e. being able to host sentient life) or at least within practical travelling distance that would allow aliens to actually cross paths with us one day, is zero.

And, even with the extremely unlikely possibility that other lifeforms capable of cognitive thought (and thus intergalactic travel) do exist, there's no chance we'd ever come in contact with them; well, at least not before our Sun burns out and we all perish.

Thus, IMHO, aliens effectively don't exist.
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You're argument seems flawed to me. A chance is a chance. It's not a fact. We exist by chance, if I take your meaning. So, by the same chance, they could exist. Funny thing with statistics, it's still only guessing. Probably is not definitely, and you can't say never, because that would be definitive. It's not yes or no, it's maybe to infinity, because you cannot prove or disprove anything.
 
aldyr said:
You're argument seems flawed to me. A chance is a chance. It's not a fact. We exist by chance, if I take your meaning. So, by the same chance, they could exist. Funny thing with statistics, it's still only guessing. Probably is not definitely, and you can't say never, because that would be definitive. It's not yes or no, it's maybe to infinity, because you cannot prove or disprove anything.
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and by chance you don't exist :confused:
 
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