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  3. are we alone in universe ?

are we alone in universe ?

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  • J Johnny J

    But it can hardly be intelligent life - We don't even have that here! ;P

    Why can't I be applicable like John? - Me, April 2011
    -----
    Beidh ceol, caint agus craic againn - Seán Bán Breathnach
    -----
    Da mihi sis crustum Etruscum cum omnibus in eo!
    -----
    Just because a thing is new don’t mean that it’s better - Will Rogers, September 4, 1932

    D Offline
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    DanielSheets
    wrote on last edited by
    #8

    As a whole, humanity is a big, dumb, tiny brained animal thats driven by primitive emotions. So yeah... I agree. :-D

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    • A AZAD CHOUHAN

      I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

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      Dalek Dave
      wrote on last edited by
      #9

      The odds of us being alone are so small as to be zero. Life start so easily, even under quite appalling conditions that I would expect the universe to be teeming with life. Whether is evolves beyond the bacterial level is another matter.

      --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur. CCC Link[^] Can you Help?

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      • D Dalek Dave

        The odds of us being alone are so small as to be zero. Life start so easily, even under quite appalling conditions that I would expect the universe to be teeming with life. Whether is evolves beyond the bacterial level is another matter.

        --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur. CCC Link[^] Can you Help?

        K Offline
        K Offline
        Kevin McFarlane
        wrote on last edited by
        #10

        Dalek Dave wrote:

        Life start so easily

        How do you know? Organic molecules form quite easily. But there's a long way from that to the DNA -> RNA -> Protein cycle. Having said that, the sheer size of the universe in terms of stars suggests that if life does not start easily we can nevertheless expect there to be lots of it.

        Dalek Dave wrote:

        I would expect the universe to be teeming with life.

        So do I, just based on symmetry principles.

        Dalek Dave wrote:

        Whether is evolves beyond the bacterial level is another matter.

        On Earth wasn't it 2.5 billion years of single-celled life followed by a billion of multi-celled? That suggests the transition is a difficult one doesn't it?

        Kevin

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        • A AZAD CHOUHAN

          I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

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          Lost User
          wrote on last edited by
          #11

          Intelligent human life is not alone, we have the Americans for company.

          realJSOPR I 2 Replies Last reply
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          • K Kevin McFarlane

            Dalek Dave wrote:

            Life start so easily

            How do you know? Organic molecules form quite easily. But there's a long way from that to the DNA -> RNA -> Protein cycle. Having said that, the sheer size of the universe in terms of stars suggests that if life does not start easily we can nevertheless expect there to be lots of it.

            Dalek Dave wrote:

            I would expect the universe to be teeming with life.

            So do I, just based on symmetry principles.

            Dalek Dave wrote:

            Whether is evolves beyond the bacterial level is another matter.

            On Earth wasn't it 2.5 billion years of single-celled life followed by a billion of multi-celled? That suggests the transition is a difficult one doesn't it?

            Kevin

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            L Offline
            Lost User
            wrote on last edited by
            #12

            It changes a lot if you start counting from the end of the Period of Heavy Bombardment (it is reasonable to assume that life could not have formed during that period) instead of from the formation of the Earth. Then, simple life started nearly immediately.

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            • K Kevin McFarlane

              Dalek Dave wrote:

              Life start so easily

              How do you know? Organic molecules form quite easily. But there's a long way from that to the DNA -> RNA -> Protein cycle. Having said that, the sheer size of the universe in terms of stars suggests that if life does not start easily we can nevertheless expect there to be lots of it.

              Dalek Dave wrote:

              I would expect the universe to be teeming with life.

              So do I, just based on symmetry principles.

              Dalek Dave wrote:

              Whether is evolves beyond the bacterial level is another matter.

              On Earth wasn't it 2.5 billion years of single-celled life followed by a billion of multi-celled? That suggests the transition is a difficult one doesn't it?

              Kevin

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              P Offline
              Pete OHanlon
              wrote on last edited by
              #13

              Kevin McFarlane wrote:

              wasn't it 2.5 billion years of single-celled life

              Ah, the Jerry Springer years.

              I was brought up to respect my elders. I don't respect many people nowadays.
              CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

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              • L Lost User

                Intelligent human life is not alone, we have the Americans for company.

                realJSOPR Offline
                realJSOPR Offline
                realJSOP
                wrote on last edited by
                #14

                Yeah - we're here to show the rest of the world how to take a good idea, establish a government around that idea, and corrupt it beyond all semblance of it's original form. Wait - that makes us like - the rest of the world.

                ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                -----
                You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                -----
                "Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass." - Dale Earnhardt, 1997

                Richard DeemingR J 2 Replies Last reply
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                • A AZAD CHOUHAN

                  I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

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                  TheGreatAndPowerfulOz
                  wrote on last edited by
                  #15

                  Not only are we alone, but YOU are alone in the universe! All of what you see, feel, hear, taste and experience is all due to your imagination. If you wake up, we'll all disappear!

                  If your actions inspire others to dream more, learn more, do more and become more, you are a leader.-John Q. Adams
                  You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering.-Wernher von Braun
                  Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.-Albert Einstein

                  K 1 Reply Last reply
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                  • A AZAD CHOUHAN

                    I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

                    S Offline
                    S Offline
                    Septimus Hedgehog
                    wrote on last edited by
                    #16

                    Here we go again. I'll bring the sofa; who's doing the popcorn? Dim the lights. Tune[^]

                    If there is one thing more dangerous than getting between a bear and her cubs it's getting between my wife and her chocolate.

                    OriginalGriffO 1 Reply Last reply
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                    • A AZAD CHOUHAN

                      I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

                      L Offline
                      L Offline
                      Lost User
                      wrote on last edited by
                      #17

                      It's funny you should ask this question. I was on Altros 5 the other day and some of the Miggles were discussing this same issue... Oh, wait... I've said too much.

                      C 1 Reply Last reply
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                      • A AZAD CHOUHAN

                        I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

                        R Offline
                        R Offline
                        Ranjan D
                        wrote on last edited by
                        #18

                        Warning: I'm not a scientist :) The problem with scientists or humans is they think they have explored all or know every bit of truth starting from big bang(They don't really know how it happened ;P ) We could not explore our universe , we don't know the beginning or end.. Hope we will meet our neighboring planet member's soon or later. Thanks,

                        Ranjan.D

                        Richard DeemingR 1 Reply Last reply
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                        • A AZAD CHOUHAN

                          I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

                          W Offline
                          W Offline
                          W Balboos GHB
                          wrote on last edited by
                          #19

                          What do you mean "WE" ?

                          "The difference between genius and stupidity is that genius has its limits." - Albert Einstein

                          "As far as we know, our computer has never had an undetected error." - Weisert

                          "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010

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                          • R Ranjan D

                            Warning: I'm not a scientist :) The problem with scientists or humans is they think they have explored all or know every bit of truth starting from big bang(They don't really know how it happened ;P ) We could not explore our universe , we don't know the beginning or end.. Hope we will meet our neighboring planet member's soon or later. Thanks,

                            Ranjan.D

                            Richard DeemingR Offline
                            Richard DeemingR Offline
                            Richard Deeming
                            wrote on last edited by
                            #20

                            Ranjan.D wrote:

                            The problem with scientists ... is they think they have explored all or know every bit of truth

                            No, that's precisely the opposite of the scientific method. You start with the assumption that you don't know anything; you come up with a hypothesis, and then try to disprove it. If enough people fail to disprove it, then it becomes the accepted theory. You use the word "theory" instead of the word "fact" simply because you're not ruling out the possibility that future evidence might shed new light on the matter.


                            "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                            "These people looked deep within my soul and assigned me a number based on the order in which I joined" - Homer

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                            • L Lost User

                              There's Bob, obviously. So we're not alone. And then there's also the drake equation

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                              TheGreatAndPowerfulOz
                              wrote on last edited by
                              #21

                              harold aptroot wrote:

                              drake equation

                              Interesting. I think he's missing a few factors, not the least of which is there anybody listening with the right apparatus?

                              If your actions inspire others to dream more, learn more, do more and become more, you are a leader.-John Q. Adams
                              You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering.-Wernher von Braun
                              Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.-Albert Einstein

                              1 Reply Last reply
                              0
                              • realJSOPR realJSOP

                                Yeah - we're here to show the rest of the world how to take a good idea, establish a government around that idea, and corrupt it beyond all semblance of it's original form. Wait - that makes us like - the rest of the world.

                                ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                                -----
                                You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                                -----
                                "Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass." - Dale Earnhardt, 1997

                                Richard DeemingR Offline
                                Richard DeemingR Offline
                                Richard Deeming
                                wrote on last edited by
                                #22

                                We all know that power corrupts. Corrupting people is bad. Therefore, we should only give power to those who are already corrupt. ;P


                                "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                                "These people looked deep within my soul and assigned me a number based on the order in which I joined" - Homer

                                1 Reply Last reply
                                0
                                • J Johnny J

                                  But it can hardly be intelligent life - We don't even have that here! ;P

                                  Why can't I be applicable like John? - Me, April 2011
                                  -----
                                  Beidh ceol, caint agus craic againn - Seán Bán Breathnach
                                  -----
                                  Da mihi sis crustum Etruscum cum omnibus in eo!
                                  -----
                                  Just because a thing is new don’t mean that it’s better - Will Rogers, September 4, 1932

                                  Richard DeemingR Offline
                                  Richard DeemingR Offline
                                  Richard Deeming
                                  wrote on last edited by
                                  #23

                                  Obligatory Monty Python song: http://www.youtube.com/watch?v=buqtdpuZxvk[^]


                                  "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                                  "These people looked deep within my soul and assigned me a number based on the order in which I joined" - Homer

                                  1 Reply Last reply
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                                  • Richard DeemingR Richard Deeming

                                    Ranjan.D wrote:

                                    The problem with scientists ... is they think they have explored all or know every bit of truth

                                    No, that's precisely the opposite of the scientific method. You start with the assumption that you don't know anything; you come up with a hypothesis, and then try to disprove it. If enough people fail to disprove it, then it becomes the accepted theory. You use the word "theory" instead of the word "fact" simply because you're not ruling out the possibility that future evidence might shed new light on the matter.


                                    "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                                    T Offline
                                    T Offline
                                    TheGreatAndPowerfulOz
                                    wrote on last edited by
                                    #24

                                    he didn't say anything about the scientific method, he talked about humans and scientists (who are humans) thinking they know everything... he also didn't say anything about facts or theories either.

                                    If your actions inspire others to dream more, learn more, do more and become more, you are a leader.-John Q. Adams
                                    You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering.-Wernher von Braun
                                    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.-Albert Einstein

                                    Richard DeemingR 1 Reply Last reply
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                                    • W W Balboos GHB

                                      What do you mean "WE" ?

                                      "The difference between genius and stupidity is that genius has its limits." - Albert Einstein

                                      "As far as we know, our computer has never had an undetected error." - Weisert

                                      "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010

                                      T Offline
                                      T Offline
                                      TheGreatAndPowerfulOz
                                      wrote on last edited by
                                      #25

                                      Exactly!!

                                      If your actions inspire others to dream more, learn more, do more and become more, you are a leader.-John Q. Adams
                                      You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering.-Wernher von Braun
                                      Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.-Albert Einstein

                                      N 1 Reply Last reply
                                      0
                                      • A AZAD CHOUHAN

                                        I have a question in mind from many days.. are we alone in this universe or we have any neighbour new of far from our planet.. is there any astro scientist here who answer this question :confused::confused:

                                        Mike HankeyM Offline
                                        Mike HankeyM Offline
                                        Mike Hankey
                                        wrote on last edited by
                                        #26

                                        AZAD CHOUHAN wrote:

                                        are we alone in this universe

                                        No we are not alone and they have visited us before but they went to a Justin Bieber concert and have moved far away stating there is no intelligent life here on earth.

                                        VS2010/Atmel Studio 6.1 ToDo Manager Extension Some days, it's just not worth chewing through the restraints.

                                        D 1 Reply Last reply
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                                        • K Kevin McFarlane

                                          Dalek Dave wrote:

                                          Life start so easily

                                          How do you know? Organic molecules form quite easily. But there's a long way from that to the DNA -> RNA -> Protein cycle. Having said that, the sheer size of the universe in terms of stars suggests that if life does not start easily we can nevertheless expect there to be lots of it.

                                          Dalek Dave wrote:

                                          I would expect the universe to be teeming with life.

                                          So do I, just based on symmetry principles.

                                          Dalek Dave wrote:

                                          Whether is evolves beyond the bacterial level is another matter.

                                          On Earth wasn't it 2.5 billion years of single-celled life followed by a billion of multi-celled? That suggests the transition is a difficult one doesn't it?

                                          Kevin

                                          D Offline
                                          D Offline
                                          Dalek Dave
                                          wrote on last edited by
                                          #27

                                          Actually the transition from Karyotes to Prokaryotes to Eukaryotes was a bigger jump, biologically speaking, than from single celled to multi. The LUCA was probably more closely related to an archaea rather than a bacteria, and was flitting around the oceans some 3.8 billion years ago. Now it is obvious that as this was a prokaryote and didn't just pop into existance it must have evolved from a simpler organism that entered some sort of simple symbiotic relationship so as to form a simple prokaryote. Proof of life extends to about 3.85 BYA, but there is evidence of life from chemical analysis of zircons from 4.4 BYA, thus meaning that life started before the LHB. Some see this as evidence that life started not once, but twice. Intriguing thought that within 100 million years of planetary formation there was life on Earth. If one accepts this theory then one must accept that life is so universally abundant that it will be the norm rather than the exception. Of course one has to factor in other biological, chemical and temporal factors as to how easy it is for intelligent life to evolve, and of course some civilisations could have risen and fallen before even the Earth was formed (Though not long before this, but that is another argument).

                                          --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur. CCC Link[^] Can you Help?

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