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Batman
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  #996144 28-Feb-2014 10:13
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Klipspringer:
freitasm:
Klipspringer:
joker97:

No new matter can be formed


You wrong there. Matter is formed all the time. If this was not the case the universe would not be expanding.


There's no "new" matter. All matter is here since the beginning of times when it was heavily dense before it started expanding. 

New matter creation would contradict the Conservation Laws.



What about Einsteins law? hmmm now it gets interesting. Surely you can get mass from energy? Or does it only work the one way round?


Dude ... watch the videos by minutephysics or if you have a degree in theoretical physics I will shut up




Involuntary autocorrect in operation on mobile device. Apologies in advance.


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Klipspringer
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  #996146 28-Feb-2014 10:16
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joker97:

Dude ... watch the videos by minutephysics or if you have a degree in theoretical physics I will shut up


I will thanks for the advice. I'm no expert in this, just discussing my thoughts.. Do you have a problem with that?

Fred99
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  #996147 28-Feb-2014 10:17
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Klipspringer:
bazzer:
Klipspringer:
freitasm:
Klipspringer:
joker97:

No new matter can be formed


You wrong there. Matter is formed all the time. If this was not the case the universe would not be expanding.


There's no "new" matter. All matter is here since the beginning of times when it was heavily dense before it started expanding. 

New matter creation would contradict the Conservation Laws.



What about Einsteins law? hmmm now it gets interesting. Surely you can get mass from energy? Or does it only work the one way round? If so, Einstein was wrong.

Energy isn't stuff per se, it is the thing that all stuff has.


I agree. But it sure is questionable. What came first, matter or energy? Surely energy initiated the big bang?


Matter can be seen to be just "coalesced energy" held together by an assortment of forces.

No - there's no "surely" - that energy initiated the big bang.
In fact it creates a paradox - where did that energy come from?



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  #996150 28-Feb-2014 10:21
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Klipspringer:
joker97:

Dude ... watch the videos by minutephysics or if you have a degree in theoretical physics I will shut up


I will thanks for the advice. I'm no expert in this, just discussing my thoughts.. Do you have a problem with that?


Ah thanks for clarifying they are your opinion. I thought you were stating matter-of-fact-ly

Physics is about facts. Even theoretical physics. They are clearly proven. Lol




Involuntary autocorrect in operation on mobile device. Apologies in advance.


Fred99
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  #996152 28-Feb-2014 10:24
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tdgeek: "I dispute the OP's pessimism - as he's made the mistake to assume that because life probably began in a certain way here, then it could only begin elsewhere in near identical conditions. "

I dont think I said or implied that. Creation of life simplistically, is water, electricity, that creates aminos, the building blocks of life. I expect that anywhere, elsewhere in the universe, where the elements are the same, that carbon based life can be created as it was here. Our earth has a wide range of conditions, so a planet that was much cooler, or much hotter, or toxic, can hold life, we have that here. I believe that to create carbon based life, you do need the same raw conditions, they dont have to be identical to ours. What alien life may look like will depend on the planets features. If it was harsh, these may never get past primitive organisms, if it was less harsh, I cannot see why evolution cannot progress.


I suggest that in the only "goldilocks zone" example we've yet been able to observe closely (Earth), carbon based life did in fact form (unless the pansermia hypothesis is correct).  So the only direct evidence we have suggests that given those conditions, life will form.

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  #996155 28-Feb-2014 10:26
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Fred99:
No - there's no "surely" - that energy initiated the big bang.
In fact it creates a paradox - where did that energy come from?


That answer depends on if you religious or not.

My thoughts are not about the big bang itself. But more around what happened before the big bang, even a spit second before it happened. Did matter exist before the big bang? IMO no it did not. Only energy existed. But thats just my opinion on all this.

Again IMO, Energy can create matter. We just have not done it yet.

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  #996159 28-Feb-2014 10:27
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joker97:
Klipspringer:
joker97:

Dude ... watch the videos by minutephysics or if you have a degree in theoretical physics I will shut up


I will thanks for the advice. I'm no expert in this, just discussing my thoughts.. Do you have a problem with that?


Ah thanks for clarifying they are your opinion. I thought you were stating matter-of-fact-ly

Physics is about facts. Even theoretical physics. They are clearly proven. Lol


The laws of physics cannot be applied in the time before the big bang. Even a microsecond before it happened.



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  #996163 28-Feb-2014 10:30
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It can now




Involuntary autocorrect in operation on mobile device. Apologies in advance.


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  #996164 28-Feb-2014 10:31
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We are living in the now, the universe is expanding, but our total energy is not. That much I know is proven.




Involuntary autocorrect in operation on mobile device. Apologies in advance.


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  #996169 28-Feb-2014 10:38
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Klipspringer:
joker97:
Klipspringer:
joker97:

Dude ... watch the videos by minutephysics or if you have a degree in theoretical physics I will shut up


I will thanks for the advice. I'm no expert in this, just discussing my thoughts.. Do you have a problem with that?


Ah thanks for clarifying they are your opinion. I thought you were stating matter-of-fact-ly

Physics is about facts. Even theoretical physics. They are clearly proven. Lol


The laws of physics cannot be applied in the time before the big bang. Even a microsecond before it happened.


As we don't know what pre-dated the Big Bang we cannot say the Laws of Physics don't apply

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  #996172 28-Feb-2014 10:43
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joker97: We are living in the now, the universe is expanding, but our total energy is not. That much I know is proven.


Agreed. But it will be impossible to ever prove what happened in the splits seconds before the big bang.

Of course there will be opinions etc..

Whats your opinion on dark matter and dark energy? There is proof it exists but is there proof that its not expanding and its mass is not increasing. When you talking about the universe are you refering to only the 5% of it which we can see and measure etc... or are you including the 95% of the universe we actually know very little about.


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  #996173 28-Feb-2014 10:44
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KiwiNZ:

As we don't know what pre-dated the Big Bang we cannot say the Laws of Physics don't apply


True. But we cant say they do apply either.

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  #996179 28-Feb-2014 10:48
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Klipspringer:
joker97: We are living in the now, the universe is expanding, but our total energy is not. That much I know is proven.


Agreed. But it will be impossible to ever prove what happened in the splits seconds before the big bang.

Of course there will be opinions etc..

Whats your opinion on dark matter and dark energy? There is proof it exists but is there proof that its not expanding and its mass is not increasing. When you talking about the universe are you refering to only the 5% of it which we can see and measure etc... or are you including the 95% of the universe we actually know very little about.



String theorists has at least 3 schools of thought

1) one universe, all laws apply

2) separate universes, different laws apply

3) combination




Involuntary autocorrect in operation on mobile device. Apologies in advance.


gehenna
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  #996188 28-Feb-2014 10:49
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If things can live in my poo it proves to me that life can exist in the most inhospitable places anywhere in the universe.

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  #996190 28-Feb-2014 10:53
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joker97:
Klipspringer:
joker97: We are living in the now, the universe is expanding, but our total energy is not. That much I know is proven.


Agreed. But it will be impossible to ever prove what happened in the splits seconds before the big bang.

Of course there will be opinions etc..

Whats your opinion on dark matter and dark energy? There is proof it exists but is there proof that its not expanding and its mass is not increasing. When you talking about the universe are you refering to only the 5% of it which we can see and measure etc... or are you including the 95% of the universe we actually know very little about.



String theorists has at least 3 schools of thought

1) one universe, all laws apply

2) separate universes, different laws apply

3) combination


Before the big bang there was no universe. We were at a state of 0 universe. Probably should be number 4) on your list.

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