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Kaunisto Profile
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Re: Only 39% believe in Evolution!


quote:

because they know that 'big bangs' are happening all the time within the universe

I'm not sure what you mean by that.
quote:

that eventually our universe will expand to the point where it leads to another 'big bang' and that this happens about every trillion years. If this theory is correct then it would mean that our 'big bang' was the result of the total expansion of a previous universe that happened 13.7 billion years ago, so when our universe reaches around the trillion year mark, another 'big bang' will wipe it out and start a whole new universe.

I think it's rather that the expansion stops and turns back into collapse, forming a gigantic black hole (eating everything in known universe) that goes super-supernova.

I don't see how infinite - assuming space is infinite - expansion could result to a 'big bang'.


Then again I don't believe this 'known universe' (everything within 13.7 billion lightyears) is all there is.
quote:

universe is changing all the time but the laws of physics don't

Not really, but what we assume as laws may not apply in the extreme conditions of Big Bang.

After all for example E=mc2 becomes inaccurate when very small particles approach the speed of light.

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11/17/2009, 3:17 am Link to this post Send e-mail to   Send PM to
 
Morwen Oronor Profile
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Re: Only 39% believe in Evolution!


I'm quoting what the scientists were saying on the show I was watching. I do not know anything about Physics, maybe I should learn some of those laws.

I think what they're saying is that the universe isn't static, the way that most people believe it is.
If you look at, for instance, the way the continents move, 5 cm a year, and imagine that the universe is doing the same thing, major collisions and explosions have to be happening all the time.
What they said is that they don't know if 'black holes' are causing events that may seem minor now but in billions of years could have been the beginning of a new universe.
The thing is to not forget the timeline of 13.7 billion years. If a minor collision happens in far outer space today, it would appear as nothing but a blip on our recording devices but could in fact be the birth of the other universes and as you say, how can we say this is all there is in that case.

And yes, it's generally accepted that the laws of physics possibly don't apply in the extreme conditions of the Big Bang but scientists admit that they don't know what caused the Big Bang
]look here.
But if you accept what I said above, i.e. that Big Bangs happen all the time and we don't take notice of them because it took a really long time for our own universe to become something noticeable, i.e. about 9 billion years before the solar system was formed, then could it not be that there was a previous universe that expanded to the 'black hole' phase and then from that, i.e. some matter inside the black hole causing a 'car crash' which led to the bang that created our universe.
quote:


Physicists have theorized what might take place inside a black hole. It is known what occurs to matter as it approaches the black hole, because until it reaches a certain point light is still able to escape and the objects can still be viewed. Once they reach what is known as the Event Horizon, they cease to be visible and 'disappear' into the black hole.

Relativity theory states that at the center of the black hole, density becomes infinite, and because of that all things travel towards the center. This means that anything with mass will fall towards the center at the fastest speed possible; the speed of light. Because speed and time are relative to the observer, from our point of view here on Earth things simply disappear into the hole. However, if a person were to pass the Event Horizon, time would stop for that person. As the person fell toward the center of the black hole at the speed of light, his or her perception of the passage of time would stop, because everything would be moving at the speed of light in the same direction. We only notice the passage of time because of the way things move in space; if everything were moving in the same direction at the speed of light, we could not see anything move and hence, we would not perceive the passage of time. Everything would seem to stand still.

Physicists believe that anything which falls into a black hole is simply compressed to a tiny, invisible point with infinite density, which is referred to as a 'singularity'.

Whether or not a person would survive falling into a black hole is a matter of some contention. Some would argue that being compressed into a singularity would undoubtedly result in death; others say that since time stops when you pass the Event Horizon, that person would live forever. Some astrophysicists even believe that the matter which falls into a black hole is discharged in another location; another galaxy, or even a parallel universe. However, though these theories make for interesting movies and science fiction novels, they are not widely believed by scientists.


From ]here.


I love this stuff, it is so interesting.
11/17/2009, 3:58 am Link to this post Send PM to Blog
 
Kaunisto Profile
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Re: Only 39% believe in Evolution!


Some new evidence, if pretty arguable.


of New Species Witnessed by Scientists
quote:

On one of the Galapagos islands whose finches shaped the theories of a young Charles Darwin, biologists have witnessed that elusive moment when a single species splits in two.

In many ways, the split followed predictable patterns, requiring a hybrid newcomer who’d already taken baby steps down a new evolutionary path. But playing an unexpected part was chance, and the newcomer singing his own special song.

This miniature evolutionary saga is described in a paper published Monday in the Proceedings of the National Academy of Sciences. It’s authored by Peter and Rosemary Grant, a husband-and-wife team who have spent much of the last 36 years studying a group of bird species known collectively as Darwin’s finches.



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11/18/2009, 2:41 am Link to this post Send e-mail to   Send PM to
 
Morwen Oronor Profile
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Re: Only 39% believe in Evolution!


Very interesting Kaunisto, thanks for sharing that.
11/18/2009, 9:05 am Link to this post Send PM to Blog
 


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