Do any of you out there doubt the existance of aliens. I hope you don't. For the people who do are blind. For example, i was talking to a christian at school and he was going on about how god made the universe and blah blah blah. Well i said there must be lots of other life forms in the universe. He said if there was other life forms they would have contacted us by now, which most likely wouldn't happen. I saw a quote on T.V. (i forget by who) that said, The best proof that they is life in the universe is that they haven't tried to contact us. Any thoughts on this topic?
1 - If such civilisations last a long time, "They" should be _here_ (leading either the Flying Saucer hypothesis -- they are here and we are seeing them, or the Zoo Hypothesis -- they are here and are hiding.
2 - If such civilisations last a long time, and "They" are not "here" then it becomes necessary to explain why each and every technological civilisation has consistently chosen not to build starships (since the first civilisation to build starships would spread across the entire Galaxy on a timescale that is short relative to the age of the Galaxy), perhaps because they lose interest in spaceflight and building starships.
3 - Such civilisations do not last a long time, and blow themselves up or otherwise fall apart pretty quickly.
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[rhinoceros] Well, maybe they are not there after all. Or they don't care to communicate. Or we can't detect them. Or civilizations self-destruct after a point in their evolution (the doomsday argument). Or the "Singularity" makes things so. Or... lots of possibilities.
Well, we are on planet in one solar system which is part of gallaxy, which is part billions more in a universe which may be one of many more (if the Inflationary Big Bang model is correct, and it doesn't violate any of the known laws of physics). It is indeed possible, probable, and factual that other life forms exist somehwere out there. However, we haven't had contact with any of them yet, and most of this current UFO phenomenon is a complete fraud. So while I acknowledge that other being exist, we haven't come into to contact with them and I seriously doubt we ever will.
It is indeed possible, probable, and factual that other life forms exist somehwere out there.
No one doubts it is possible. Whether it is probable is debatable. Are we talking about single-celled organisms, plants and animals, or intelligent life? It is definitely not factual, there is no evidence.
I think the only life we'll find out there is singel celled organisms. If we find intelligent life beings similar to ourselves, that would be like winning the lottery five times in a row. But it would be great to find other intelligent life forms.
Note that before I made that statement I said it was so if the Inflationary Uinverse model holds true. If it does, then our universe is just one on a plane of the multiverse. And since there is no theoretical limit on how many universe exist, all possiblilities are probabilities, and furthermore, are probably facts. If you take a finite amount of di and roll them an infinite amount of times, you will get any result. And I was talking about any kind of life, and possible kind of life. Life could exist here in this universe, or in another universe, or somehwere else (if anything else exists). Of course this all may just be some whacked out speculation.
Ration,
I think that more is possible than just single celled organisms. Remember, we may encounter life totally alien to anything we know about here on earth. This may just be speculation, but if you're dealing with totally different environments then chances are you're going to be dealing with different life forms.
On the issue of multiple universes, I used to watch a show called Sliders, maybe you've heard of it, it was about a guy who managed to figure out how to jump around parallel unviverses. The first one he went to had a minor difference which was red traffic lights mean go and green mean stop. Then there were others that had a sigifficant difference such as an ice age type environment. I think they showed the contrasts of difference that there could be pretty well.
Note that before I made that statement I said it was so if the Inflationary Uinverse model holds true. If it does, then our universe is just one on a plane of the multiverse.
You know... your comments and theories don't take into account the possibility that they are an advanced race with no mineral means of creating anything that would last... Like I read a book about an advanced society on a planet with no metals or metal was rare... A planet like that would be incapable of supporting an interstellar bound race. Just a thought...
^ Indeed. I read somewhere that for gold atoms to form two neutron stars had to collide. It is the only natural process thought to be able to make elements heavier than iron. That's not a very likely event.
However, a civilization with access to even 1/100 of the minerals we have would eventually be able to create it's own heavy minerals with industrial processes. We're not quite capable of doing it profitably yet, but it's probably not too far off.
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