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Thread: Who is to say humans are not alone in the universe?

  1. #1 Who is to say humans are not alone in the universe? 
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    It seems improbable, granted, but then who is to say humans are not the only sapient life?

    Maybe our solar system had the right conditions for life?

    Either way, it's not an option that can be discounted.


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  3. #2  
    Life-Size Nanoputian Flick Montana's Avatar
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    Knowing the conditions required and using spectroscopy to understand atmospheric contents of other worlds and their proximity to their star, we can measure the capability of some planets to support life as we know it. Statistically speaking it is extremely difficult to suggest life has not or does not exist elsewhere in the universe.


    Last edited by Flick Montana; May 5th, 2014 at 04:41 PM. Reason: stupid auto correct
    "Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us." -Calvin
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  4. #3  
    Forum Radioactive Isotope MagiMaster's Avatar
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    I don't think any scientist has ever said "we are definitely not alone" or "we are definitely alone." About the only place we can say definitely has life is Earth itself, and about the only place we can definitely say doesn't have life is the Moon (except there probably are some hibernating water bears there now). Oh, and the Sun. There's probably no life on the Sun. (Probably.)

    But anyone who says that we probably are alone really doesn't have much of a sense of just how vast the visible universe is. Of course, if our nearest neighbor is a couple of galaxies over, there's not much practical difference.
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  5. #4  
    Forum Bachelors Degree One beer's Avatar
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    There must be life and intelligent life elsewhere - it would be mind bogglingly (?spelling) incredible if our planet was the ONLY one to support intelligent life in the entire universe, which is filled with billions of stars !!

    The paradox though is that we are all too far away from each other to communicate.

    OB
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  6. #5  
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    Quote Originally Posted by carlinsomes View Post
    It seems improbable, granted, but then who is to say humans are not the only sapient life?

    Maybe our solar system had the right conditions for life?

    Either way, it's not an option that can be discounted.
    It is not an question that can be tested either way \ which renders any answer to it nothing more than an unfounded opinion.
    As soon as you are putting an infinite value into a calculation it is time to question what you are doing really hard.
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  7. #6  
    Anti-Crank AlexG's Avatar
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    I don't know who's to say. Who said it?
    Its the way nature is!
    If you dont like it, go somewhere else....
    To another universe, where the rules are simpler
    Philosophically more pleasing, more psychologically easy
    Prof Richard Feynman (1979) .....

    Das ist nicht nur nicht richtig, es ist nicht einmal falsch!"
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  8. #7  
    Forum Freshman TheMost's Avatar
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    Its True life is found all around,
    if not then the bible is 100% real.
    The bible could be ALL real but I think,
    That this perfect world is found tons of times over

    There is aliens closer then you think...
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  9. #8  
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    Maybe the universe itself is alive....
    ...I must remember to ask it how it feels sometime soon, after all, it would not be good if it got sick and died because it thought nobody cared about it.
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  10. #9  
    Genius Duck Moderator Dywyddyr's Avatar
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    Quote Originally Posted by TheMost View Post
    Its True life is found all around,
    if not then the bible is 100% real.
    No.
    And no.

    The bible could be ALL real
    Hardly.

    but I think,
    Citation needed.

    That this perfect world is found tons of times over
    Two questions:
    A) Why do you think this world is "perfect"?
    B) Why do you think "this world" is repeated anywhere, let alone "tons of times over"?

    There is aliens closer then you think...
    Unsupported.
    "[Dywyddyr] makes a grumpy bastard like me seem like a happy go lucky scamp" - PhDemon
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  11. #10  
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    ok so lets see duck..
    I take it you misunderstood.

    Life is found all around how else could you ever explain us.
    We didn't just poof to here.

    And you miss understood the bible is not 100% real. maybe 65% true.
    I would love to believe it was all true but I doubt it.

    And dude I love the bible I hope it come to be that al the storys are true.
    But I think god put the universe on auto pilot.

    And the world is perfect its the perttyest rock I know...
    What would you rather the moon ..


    Repeated hell yes I think all day of the thought of a person way far away.
    I wonder if they handle things the way we do.


    Anyway if you check the universe is....BIG.
    Like ant it super big.
    So come on. the conditions were good here
    and the condition will be good a lot other places.
    to think were alone makes me feel your an alien,
    Or an idiot.
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  12. #11  
    Genius Duck Moderator Dywyddyr's Avatar
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    Quote Originally Posted by TheMost View Post
    I take it you misunderstood.
    Take it how you like.
    I didn't misunderstand what was written: maybe you meant something other than what you posted.

    Life is found all around
    Really?
    So far as we can tell Earth is the only body in the Solar system with life on it - pretty poor show for "all around"?

    how else could you ever explain us.
    What?

    And you miss understood the bible is not 100% real. maybe 65% true.
    You just made that figure up.
    Which parts of the Bible, specifically, are "real"?

    And dude I love the bible I hope it come to be that al the storys are true.
    Er, right...

    But I think god put the universe on auto pilot.
    What "god"?

    And the world is perfect its the perttyest rock I know...
    Cancer is part of "perfection" is it?
    Disease? Poverty? Etc...

    Repeated hell yes I think all day of the thought of a person way far away.
    What?

    Like ant it super big.
    Actually an ant is quite small.

    to think were alone makes me feel your an alien,
    Or an idiot.

    Yeah, that made my day: I get called an "idiot" by someone who can't write English. And can't read it either.
    I didn't say that we're alone.
    I asked (and I'll quote): Why do you think "this world" is repeated anywhere, let alone "tons of times over"?
    Although I now gather that by "this world" you didn't mean THIS world - merely inhabited worlds.
    And even that is an unsupported claim. It's possible, but it's not certain.

    And this:
    There is aliens closer then you think...
    is still unsupported.
    "[Dywyddyr] makes a grumpy bastard like me seem like a happy go lucky scamp" - PhDemon
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  13. #12  
    Universal Mind John Galt's Avatar
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    Moderator Action: the mod team is getting fed up with the bickering on many threads.

    Most - do not call people idiots. Next infringement will earn you a suspension.

    Dywyddyr - do not critique people's English. Many members are working in foreign language. Their efforts should be applauded and not denigrated. If you want an ego boost, revert to posting solid, factual comments on science and leave the insults to one side.
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  14. #13  
    Forum Freshman TheMost's Avatar
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    ok sorry... you duck you come on to strong
    maybe you need to let your mind think freely
    cuz you need to let go of reality sometimes perhaps
    idk what to say but you confuse me so i could really aswer all those questions above if you really want me too..
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  15. #14  
    Genius Duck Moderator Dywyddyr's Avatar
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    Quote Originally Posted by TheMost View Post
    maybe you need to let your mind think freely
    It depends on what you mean by "thinking freely". This IS a science forum.

    cuz you need to let go of reality sometimes perhaps
    Not for science.

    idk what to say but you confuse me so i could really aswer all those questions above if you really want me too..
    If I didn't want you to answer I wouldn't have asked.

    Still waiting:
    "Life is found all around" - no it's not.
    "how else could you ever explain us." - What?
    "And you miss understood the bible is not 100% real. maybe 65% true.
    You just made that figure up." - Which parts of the Bible, specifically, are "real"?
    "But I think god put the universe on auto pilot." - What "god"?
    "And the world is perfect its the perttyest rock I know..." - Cancer is part of "perfection" is it? Disease? Poverty? Etc...
    "There is aliens closer then you think..." - unsupported.
    Last edited by Dywyddyr; May 6th, 2014 at 08:59 AM.
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  16. #15  
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    Quote Originally Posted by One beer View Post
    There must be life and intelligent life elsewhere - it would be mind bogglingly (?spelling) incredible if our planet was the ONLY one to support intelligent life in the entire universe, which is filled with billions of stars !!

    The paradox though is that we are all too far away from each other to communicate.

    OB
    tbh this would be cool that humans are the first intelligent life in the universe and later on intelligent life comes to the universe where would be called the First :P
    and our technology millions of years beyond their and their comprehension :P, our technology would make us gods by that time, to bad i don't get to see it :'(
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  17. #16  
    KJW
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    Quote Originally Posted by TheMost View Post
    Anyway if you check the universe is....BIG.



    ['The light from those millions of stars you see is probably many thousands of years old' is a rare example of laypeople substantially OVERestimating astronomical numbers.]

    From: http://xkcd.com/1342/
    There are no paradoxes in relativity, just people's misunderstandings of it.
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  18. #17  
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    Quote Originally Posted by Mr. Painter View Post
    Quote Originally Posted by One beer View Post
    There must be life and intelligent life elsewhere - it would be mind bogglingly (?spelling) incredible if our planet was the ONLY one to support intelligent life in the entire universe, which is filled with billions of stars !!

    The paradox though is that we are all too far away from each other to communicate.

    OB
    tbh this would be cool that humans are the first intelligent life in the universe and later on intelligent life comes to the universe where would be called the First :P
    and our technology millions of years beyond their and their comprehension :P, our technology would make us gods by that time, to bad i don't get to see it :'(
    Well, we might not be the FIRST intelligent life. Problem is as I say, that we are all so far away from each other that we will never be able to see or communicate with each other.

    OB
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  19. #18  
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    Quote Originally Posted by One beer View Post
    Quote Originally Posted by Mr. Painter View Post
    Quote Originally Posted by One beer View Post
    There must be life and intelligent life elsewhere - it would be mind bogglingly (?spelling) incredible if our planet was the ONLY one to support intelligent life in the entire universe, which is filled with billions of stars !!

    The paradox though is that we are all too far away from each other to communicate.

    OB
    tbh this would be cool that humans are the first intelligent life in the universe and later on intelligent life comes to the universe where would be called the First :P
    and our technology millions of years beyond their and their comprehension :P, our technology would make us gods by that time, to bad i don't get to see it :'(
    Well, we might not be the FIRST intelligent life.

    Highly unlikely we where the first life in the universe. There is about 8 billion years cosmic real estate. Even a million years head start and they would have technology which far exceeds our own.
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  20. #19  
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    Quote Originally Posted by Chesslonesome View Post
    Highly unlikely we where the first life in the universe. There is about 8 billion years cosmic real estate. Even a million years head start and they would have technology which far exceeds our own.
    Let me ask you, if you believe humans will still be alive and advancing as a species for another million years? If we don't start doing a whole lot better than we have been we might not even make it for another thousand years. And as far as intelligent life, you are confusing being technological as the only proof of intelligence. We are not the only intelligent life on this planet and if we can't find other worlds to live on we will go extinct just like the least intelligent species will.

    Who knows maybe our continued existence will depend on a more intelligent species (aliens) that want to make slaves of us and transport us to thousands of other worlds. Being a slave for awhile is better than going extinct or maybe we will just make good pets.
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  21. #20  
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    Bad Robot, Mr. Lonesome is going to have a tough time responding to your questions.
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  22. #21  
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    Quote Originally Posted by Chucknorium View Post
    Bad Robot, Mr. Lonesome is going to have a tough time responding to your questions.
    Sometimes not getting a response is good.
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  23. #22  
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    Quote Originally Posted by Bad Robot View Post
    Quote Originally Posted by Chucknorium View Post
    Bad Robot, Mr. Lonesome is going to have a tough time responding to your questions.
    Sometimes not getting a response is good.
    Very true, in this case.
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  24. #23  
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    This superstition regarding aliens is worse than the bunkum of astrology. In astrology atleast the planets and constellations are there in real world. If there were aliens they would have made a formal engagement with the human race with cameras and all that posing with humans and both flashing V sign.
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  25. #24  
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    Quote Originally Posted by parag29081973 View Post
    This superstition regarding aliens is worse than the bunkum of astrology. In astrology atleast the planets and constellations are there in real world. If there were aliens they would have made a formal engagement with the human race with cameras and all that posing with humans and both flashing V sign.
    I think there's probably life on other worlds, But I do have big doubts that any aliens have found a way to Earth. And if advanced aliens did find their way here I wouldn't presume to know what they might do. After all humans live with other intelligent animals and we still can't really communicate with them in a meaningful way. I can't imagine communicating with aliens would happen all that easily. Or are you assuming they will be able to communicate with us?
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  26. #25  
    Forum Radioactive Isotope cosmictraveler's Avatar
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    The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. The equation was written in 1961 by Frank Drake not for purposes of quantifying the number of civilizations, but intended as a way to stimulate scientific dialogue at the world's first SETI meeting, in Green Bank, West Virginia. The equation summarizes the main concepts which scientists must contemplate when considering the question of other radio-communicative life.



    where:N = the number of civilizations in our galaxy with which radio-communication might be possible (i.e. which are on our current past light cone);and
    R* = the average rate of star formation in our galaxyfp = the fraction of those stars that have planetsne = the average number of planets that can potentially support life per star that has planetsfl = the fraction of planets that could support life that actually develop life at some pointfi = the fraction of planets with life that actually go on to develop intelligent life (civilizations)fc = the fraction of civilizations that develop a technology that releases detectable signs of their existence into spaceL = the length of time for which such civilizations release detectable signals into space[8]
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  27. #26  
    AI's Have More Fun Bad Robot's Avatar
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    Yes, I think we've had threads which talked about the Drake equations before. But until we know for sure that there is life else where, I'm not sure they are very meaningful.
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  28. #27  
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    All experiments to create a life form in laboratory with conditions similar to those existing at the beginning of life have failed. The root of existence is not Universe but the Creator(God or whatever). All things cannot be explained by Science. It has its limitations. Meanwhile it is laudable that Science has made many ground breaking discoveries. As to Americans and Europeans they are doing what Einstein said about riding a bicycle. He said " You have to continuously move forward to maintain your balance".
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  29. #28  
    Bullshit Intolerant PhDemon's Avatar
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    More nonsensical anti-science (or at least profoundly ignorant of what science is or does) rambling from parag .
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  30. #29  
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    I doubt the answer will be directly practical. But understanding life distant in time or space should help us understand our own conditions better, as in, "Oh, that's why all the crustal iron of Earth is oxidized."

    It might even prompt us to get our act together.
    A pong by any other name is still a pong. -williampinn
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  31. #30  
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    Quote Originally Posted by parag29081973 View Post
    All experiments to create a life form in laboratory with conditions similar to those existing at the beginning of life have failed. The root of existence is not Universe but the Creator(God or whatever). All things cannot be explained by Science. It has its limitations. Meanwhile it is laudable that Science has made many ground breaking discoveries. As to Americans and Europeans they are doing what Einstein said about riding a bicycle. He said " You have to continuously move forward to maintain your balance".
    science is not at the stage of creating our own lifeforms, but one day we'll get there.
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