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"The universe has always existed."
-This is a valid and accepted scientific theory.
"Life on Earth began with a meteor carrying organic material"
-This is a valid and accepted scientific theory.
So if the two above mentioned statments are valid why would the next statment not be?
"Life has always existed."
In theory, if the universe has always existed, and if life on Earth began with a meteor carrying organic material, is it possible that life has ALWAYS existed?
(Am I the only person who put two and two together? If not, why haven't I heared this theory before?)
The universe hasn't always existed. Molecules didn't exist until a long time after the big bang, and before the big bang was a singularity
One of the prerequisites for abiotic formation of life i...thus had a beginning.
Originally posted by Gear
Jesus! I knew this would happen!
The big bang?! Yes, the big bang is a valid theory. But that's all it is. A Theory.
The universe always existing is also Valid Theory. It is just as, if not, more widely accepted than the big bang theory.
This NOT a discussion on theories about how long the universe existed, nor how it came into being.
It is a discussion about a new theory. A theory about the origins (or lack thereof) life.
good point, gear. I dig your line of thought.
I wasn't aware that the "always existed" theory was that widely accepted.
At least, not currently, in this universe.
Do you have some stats on that?
if it was always here, in it's current form, then life could have always been in existence, why not? Always is a really long time.
In order for the universe to be always existent, I have a feeling that matter would have to behave in a much differnt manner. Much less reactive, very docile in it's interaction with other moecules..and sub-atomic particles.
And if that were that case, a non-reactive universe, would have trouble forming life at all!
Maybe you could tell us what you actually mean by theory. I feel what you think 'theory' means is not the same as 'theory' in science.
Originally posted by Gear
Basically there's the First Law of Thermodynamics. Enough said? I'll tell you anyway. First Law of Thermodynamics states that although form can change, no matter or energy can ever be created or destroyed. IE: All the matter and energy that exists now has always existed.
Maybe you could tell us what you actually mean by theory. I feel what you think 'theory' means is not the same as 'theory' in science.
How can you misinterprete my use of the word theory?
A theory is meerly an idea built and based on certain results to explain previously unexplainable events. Visa Versa applies.
How does 'my view' differ from science.
Originally posted by Gear
The big bang?! Yes, the big bang is a valid theory. But that's all it is. A Theory.
The universe always existing is also Valid Theory. It is just as, if not, more widely accepted than the big bang theory[/quote )
No, it's not.
It is a discussion about a new theory. A theory about the origins (or lack thereof) life.
Life does have a beginning, the organic material brought by meteors was not alive.
Originally posted by DarkSide
Originally posted by Gear
The big bang?! Yes, the big bang is a valid theory. But that's all it is. A Theory.
The universe always existing is also Valid Theory. It is just as, if not, more widely accepted than the big bang theory[/quote )
No, it's not.
It is a discussion about a new theory. A theory about the origins (or lack thereof) life.
Life does have a beginning, the organic material brought by meteors was not alive.
Everything is alive... everything... =)
Note that the laws of physics break down at planck time. However, what we now see as the universe, was not in existence at that point. All the matter in the universe came from the singularity.
All the matter in the universe came from the singularity.
Well, when you say something is 'just a theory' you suggest the notion that it is a wild guess. If you think your 'theory' is as valid as BB, I think you could be just a tad mistaken. Theories are more than a wild guess and are the meat of science, you theory differs, because, at this point, it is really a hypothesis and needs evidence and must explain what BB can even better.
Maybe you could outline what your theory entails.
"The universe has always existed."
-This is a valid and accepted scientific theory.
"Life on Earth began with a meteor carrying organic material"
-This is a valid and accepted scientific theory.
So if the two above mentioned statments are valid why would the next statment not be?
"Life has always existed."
You seem to accept that at one point time did not exist, which is what BB predicts. BB is based on empirical data, mainly the background cosmological radiation produced from the BB and the observable expansion.
Turok & Steinhardt believe we are just in one of an infinite series of bang-crunch cycles. The other old theories, that are not accpeted anymore, are the steady-state universe and the static universe.
The fact is that the universe is expanding, i.e. it is changing and the presence of the radiation was predicted by BB theory.
Thus, how can life have always existed if time and space did not?
"The universe has always existed."
-This is a valid and accepted scientific theory.
"Life on Earth began with a meteor carrying organic material"
-This is a valid and accepted scientific theory.
So if the two above mentioned statments are valid why would the next statment not be?
"Life has always existed."
If you think I'm off-topic, just ignore me, but I don't see the point of posting something challenging and unusual, then hoping everyone agrees...
Isn't time the 4th dimension?
What kind of life do you think might exist in a Universe without time.
Life does have a beginning, the organic material brought by meteors was not alive.
Originally posted by Gear
Melatonin
On a side note, planck time in no way relates to, or denounces First Law of Thermodynamics, as your response is supposed to indicate.
So in other words, the big bang happened. All matter just "popped" into existance. Only after that did the First Law of Thermodynamics come into play.
That doesn't make any sense at all. Regardless of how you look at it, bias or not.
...My theory has NOTHING to do with BB theory. I've said It over and over again.
MY theory is the unification of the two existing and valid theories:
"The universe has always existed."
"Life on Earth began with a meteor carrying organic material"
I think you are implying that my theory is that "The universe has always existed." I did not develop this theory. If you have a problem with it, then do some research. Read a book or two. Take a class or something.
"The universe has always existed."
-This is a valid and accepted scientific theory.
"Life on Earth began with a meteor carrying organic material"
-This is a valid and accepted scientific theory.
So if the two above mentioned statments are valid why would the next statment not be?
"Life has always existed."
That is what my theory entails. I thought it was pretty obvious, but it seems I was wrong.
Einstein's general theory of relativity implies that the universe cannot be static; it must be either expanding or contracting.
The more distant a galaxy is, the faster it is receding from us (the Hubble law). This indicates that the universe is expanding. An expanding universe implies that the universe was small and compact in the distant past.
The big bang model predicts that cosmic microwave background (CMB) radiation should appear in all directions, with a blackbody spectrum and temperature about 3 degrees K. We observe an exact blackbody spectrum with a temperature of 2.73 degrees K.
The CMB is even to about one part in 100,000. There should be a slight unevenness to account for the uneven distribution of matter in the universe today. Such unevenness is observed, and at a predicted amount.
The big bang predicts the observed abundances of primordial hydrogen, deuterium, helium, and lithium. No other models have been able to do so.
The big bang predicts that the universe changes through time. Because the speed of light is finite, looking at large distances allows us to look into the past. We see, among other changes, that quasars were more common and stars were bluer when the universe was younger.
As with your comment on planck time, you are stuck in a BB mind-set.
You are confusing time with time-space.
There are other theories apart from BB that explains the expansion of the universe. Does that make the BB theory obsolete? No, it does not. BB is still a valid theory, as are apposing theories to BB.
Time, on the other hand did not always exist, at least not in THIS universe
Yes, I am aware of this theory. It's not that it is not accpeted anymore, it's just that it is not as widely accepted anymore. It is still somewhat valid.
You keep bringing up the expanding universe as a result of BB. If Universe may have been around forever, it in no way at all means it WOULD NOT expand.
Your implying that it is pure fact and irrefutable that time and space did not always exist. Well it is not a fact. It is a theory. Just as BB is only a theory. Just as the universe has always existed, is only a theory.
Again, as I said in my first post.
.....So if the two above mentioned statments are valid why would the next statment not be?
"Life has always existed."
Yes, you are off-topic. This has turned into a debate of the origin of the universe. The origin of the universe is not supposed to be the subject of discussion.
I had a feeling that this would go off-topic, but I thought it would spin the other way: The origin of life.
Originally posted by Gear
Basically there's the First Law of Thermodynamics. Enough said? I'll tell you anyway. First Law of Thermodynamics states that although form can change, no matter or energy can ever be created or destroyed. IE: All the matter and energy that exists now has always existed.
First Law of Thermodynamics + Quantum Physics =
A universe of matter and energy that has always existed
This is sometimes described in terms virtual particles of interacting with the objects, due to the mathematical form of one possible way of calculating the strength of the effect
In order to conserve the total fermion number of the universe, a fermion cannot be created without also creating its antiparticle; thus many physical processes lead to pair creation. The need for the normal ordering of particle fields in the vacuum can be interpreted by the idea that a pair of virtual particles may briefly "pop into existence", and then annihilate each other a short while later.
Thus, virtual particles are often popularly described as coming in pairs, a particle and antiparticle, which can be of any kind. These pairs exist for an extremely short time, and mutually annihilate in short order. In some cases, however, it is possible to boost the pair apart using external energy so that they avoid annihilation and become real particles.
If Universe may have been around forever, it in no way at all means it WOULD NOT expand.
Originally posted by Gear
"The universe has always existed."
-This is a valid and accepted scientific theory.
"Life on Earth began with a meteor carrying organic material"
-This is a valid and accepted scientific theory.
So if the two above mentioned statments are valid why would the next statment not be?
"Life has always existed."
In theory, if the universe has always existed, and if life on Earth began with a meteor carrying organic material, is it possible that life has ALWAYS existed?
(Am I the only person who put two and two together? If not, why haven't I heared this theory before?)