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This topic in Science & Technology is about Extra Terrestrial Life?.

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Old Feb 3, 2004, 12:53 pm   #1 (permalink) (top)
Paavo
 
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I think this has been a topic before, but couldn't find it.
Also, if this is the wrong section, a moderator can probably move it?

Anyway,

What do you think? Do you believe that there is a chance of life outside our own rock?

My own view is the classic "well it'd be a hell of a lot of wasted space in case there didn't exist any". And beside that close-to-naive way of thinking, I think we haven't explored (or even mapped for that matter) enough of the universe to be able to give a firm "nope" on the issue. Just the fact that there could've been some traces of water found on a planet as close to us as Mars, tells something, doesn't it? I just think the universe is much too large not to leave the possibility (And IMO even a probability) open for guessing instead of just saying that it's impossible.
That, and I'm a huge fan of science fiction, so...

So, what do you think?
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Old Feb 3, 2004, 01:10 pm   #2 (permalink) (top)
mihai
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I think there is life out there for sure!... I would give an arm to see a real alien (oh well maybe not an entire arm but a finger for sure).
I am an ardent believer and I think people don't pay enough attention to stuff like this...maybe it's because of stupid sites like this one. They look at that sort of crap and laugh and then when you tell them you believe there's aliens out there somewhere they connect you to that kind of thing and laugh in your face.

A true sci-fi fan/alien believer is the most skeptical subspecies:) If you would take one to touch a landed UFO he would bang on it and prod it and look underneath for a "made in Taiwan" tag.... and even then he wouldn't be fully convinced...
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Old Feb 3, 2004, 02:26 pm   #3 (permalink) (top)
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when you say alien, are you talking about intelligent aliens or just an alien.


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Old Feb 3, 2004, 08:23 pm   #4 (permalink) (top)
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Probability is too high to reject the possibility.


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Old Feb 3, 2004, 08:30 pm   #5 (permalink) (top)
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billions and billions and billions of galaxies... wait... extraterrestrial? not from/on earth... god would fall in this category...


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Old Feb 3, 2004, 08:56 pm   #6 (permalink) (top)
IWantToBelieve
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I remember reading a book on SETI. I can't fully remember the particular chain of logic/statistics presented in the argument for the case, but it goes something like...

Estimating that there are 100 billion stars in just this galaxy, and assuming that the universe is x billion years old, and that the creation of Earth and it's life forms took X+2 to 4 billion years, then the chance that there are sentient extra-terrestrial life forms of equal/greater technological achievement out there increases dramatically.

Also, conservatively estimating that 1/100,000 star systems support suitable planets for rearing life, then that would mean there could be another 10,000 sentient alien 'races' out there.

So given the math, I'd put money on it!


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Old Feb 4, 2004, 08:01 am   #7 (permalink) (top)
Plaything48
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But you're basing it on the fact that organisms on other planets would have developed an organ similar to the functions of the brain. Although large organisms will need this, what's the probability of it actually happening.


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Old Feb 5, 2004, 10:37 am   #8 (permalink) (top)
castille
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I figure we'll make good slaves for some alien race.


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Old Feb 10, 2004, 05:12 am   #9 (permalink) (top)
Lev
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There literally has to be, when you look at the scale.

I remember reading about five years ago that humans had found a lump of metal somewhere that was without question machined into formation, and was categorically stated as being "something which we humans cannot create, cannot replicate, and cannot be made from anything on this planet" (or words to that effect).


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Old Feb 10, 2004, 07:37 am   #10 (permalink) (top)
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Initial thought on this subjects are 1) there are probably other alien lifeforms out there unless this universe has been made specifically for us.
Even if we dont find any aliens lifeforms out there we are on the verge of being able to create some anyway. So does it really matter if there are is the question. For example you travel to another planet and meet an alien analogue of a mouse. Sure its organs might be in different places but basically its a mouse. Big Deal.
The only time aliens get interesting is when we assume them to be intelligent and have wondrous technology light years ahead of our own in which case we would be pretty uninteresting to them unless they had some ulterior motive. The only time they will reveal them selves to us is if we suddenly develop decent space travel capabilities and we begin to 'invade' there borders in some fashion ie make a nuisance of ourselves. Up until that point they would do exactly what the rest of us humans would do monitor and try to sabotage any inventions that would lead to that happening.


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Old Feb 10, 2004, 07:40 am   #11 (permalink) (top)
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Beam me up Scotty.. their's no intelligent life down here.. in case any other planets have the internet.. lol
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Old Feb 10, 2004, 11:55 am   #12 (permalink) (top)
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</span><blockquote><span class="smallfont">Quote:</span><hr size="1" />Originally Posted by (Samildanach,)
Initial thought on this subjects are 1) there are probably other alien lifeforms out there unless this universe has been made specifically for us.
Even if we dont find any aliens lifeforms out there we are on the verge of being able to create some anyway. So does it really matter if there are is the question. For example you travel to another planet and meet an alien analogue of a mouse. Sure its organs might be in different places but basically its a mouse. Big Deal.
The only time aliens get interesting is when we assume them to be intelligent and have wondrous technology light years ahead of our own in which case we would be pretty uninteresting to them unless they had some ulterior motive. The only time they will reveal them selves to us is if we suddenly develop decent space travel capabilities and we begin to 'invade' there borders in some fashion ie make a nuisance of ourselves. Up until that point they would do exactly what the rest of us humans would do monitor and try to sabotage any inventions that would lead to that happening.
<hr size="1" /></blockquote><span class='postcolor'>
What if this rodent equivalent was a silicon based lifeform? Wouldn't that in itself be interesting?


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Old Feb 10, 2004, 12:21 pm   #13 (permalink) (top)
Samildanach
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Not particularly....if I remember correctly we already have silicon based lifeforms however they have to live deep within the ocean where the pressure shortens the si-si bond length to something approximating the c-c bond length ; )


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Old Feb 14, 2004, 12:58 am   #14 (permalink) (top)
NotScientific
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I guess they exist. The universe is just too big to support only 1 'life' - humans!


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Old Feb 14, 2004, 06:36 am   #15 (permalink) (top)
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</span><blockquote><span class="smallfont">Quote:</span><hr size="1" />Originally Posted by (Samildanach,)
Not particularly....if I remember correctly we already have silicon based lifeforms however they have to live deep within the ocean where the pressure shortens the si-si bond length to something approximating the c-c bond length ; )<hr size="1" /></blockquote><span class='postcolor'>
I'm afraid that there aren't such organisms, you got confused, it's lot's of sulphide bonds they have, not silicon. Unless you've got data to prove otherwise ofc.


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Old May 31, 2004, 08:41 pm   #16 (permalink) (top)
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This is not about alien invaders or anything like it, but SETI has a website where you can download a program which analyses the data from the Aricebo radio telescope. It's a great setup called SETI@HOME which lets you use your computer's down time to analyse these signals (almost entirely radio noise at this point). The idea is to send packets of data to about 3 million computers therby forming in effect a supercomputer. As my machines are always on, I have done about 600 hours of computing for them.

Hey, it doesn't cost anything and who knows...

The link is:

SETI @ HOME


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Old Jun 1, 2004, 02:36 pm   #17 (permalink) (top)
Milton Bradley
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I tend to agree therehas to be life out there somewhere.


I am of the camp that hopes we don't find it/them.


We can't even talk to whales, or dolphins, which we know to be intelligent, and have their own language, which are also similar to us in other ways.


I don't think we will be ready to welcome anything other than ourselves for many years.


We can't even coexist with Islam yet... Let alone ET's.


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Old Jun 1, 2004, 09:38 pm   #18 (permalink) (top)
Scribbler1
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Quote:
Originally posted by Milton Bradley,
I tend to agree therehas to be life out there somewhere.

I am of the camp that hopes we don't find it/them.

We can't even talk to whales, or dolphins, which we know to be intelligent, and have their own language, which are also similar to us in other ways.

I don't think we will be ready to welcome anything other than ourselves for many years.

We can't even coexist with Islam yet... Let alone ET's.
Excellent point, but one of the rare qualities the human animal has that is actually positive is curiosity. That plus the feeling I have that if we "discover" intelligent life out there, it will have already discovered US a long time ago, but didn't want to waste their time with this planet of fools. Of course, we could be killed, enslaved or even eaten right after first contact, but I like to think a really advanced race would take us by the hand, like a retarded brother, and teach us a few things. But maybe not.

And whales and dolphins are one thing, but I don't think ANYONE can coexist with Islam, as they can't even coexist with themselves.


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Old Jun 1, 2004, 11:22 pm   #19 (permalink) (top)
ruiner
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but I like to think a really advanced race would take us by the hand, like a retarded brother, and teach us a few things
More like a man teaching a dog I would think.
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Old Jun 2, 2004, 12:45 am   #20 (permalink) (top)
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You guys don't have very high regards for your own species. The cup is half FULL. Despite all the crap that goes on in the world, humans are still a marvel to behold. We are a collection of inanimate matter that has come together and formed an intelligence unique to our planet. We are the universe trying to understand itself. Why would you waste your intelligence dwelling on the negative?
An advanced alien race would most likely have the same experiences we've had. Why assume they would be paragons of virture to our vice? Also, why assume their technology would be so far advanced over ours? Sure it's possible but is ite really likely considering the time it took for live to advance to our level here, why would it take less time elsewhere?
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