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Big Crunch theory

Helix

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what do you guys think of this?

https://en.wikipedia.org/wiki/Big_Crunch

i thought that i came up with it, but of course, it is already an established if unlikely theory. the basic premise is that since galaxies are basically circling black holes, eventually there will be enough massive singularities that everything will roll down the spacetime hill and congeal into a singularity with infinite mass. then the big bang happens again. this violates the law of entropy, but you have to take into account that the physical laws of the universe as we know them don't necessarily apply before the big bang. the layman's simple explanation : the universe breathes in and out.

caveat : i'm a biochemist / microbiologist with a limited background in physics, so i can only see this in a broader sense. i can't translate it into mathematics, but it makes sense to me in part because :


it's fascinating to think about, at least.
 

Captain Adverse

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what do you guys think of this?

https://en.wikipedia.org/wiki/Big_Crunch

i thought that i came up with it, but of course, it is already an established if unlikely theory. the basic premise is that since galaxies are basically circling black holes, eventually there will be enough massive singularities that everything will roll down the spacetime hill and congeal into a singularity with infinite mass. then the big bang happens again. this violates the law of entropy, but you have to take into account that the physical laws of the universe as we know them don't necessarily apply before the big bang. the layman's simple explanation : the universe breathes in and out.

caveat : i'm a biochemist / microbiologist with a limited background in physics, so i can only see this in a broader sense. i can't translate it into mathematics, but it makes sense to me in part because :


it's fascinating to think about, at least.

I an not a physicist either, my science study/interests lie in Biology, anthropology, and some engineering.

However, what this video raises to my mind is that "space" is not just an empty nothingness waiting to be filled by matter, but that it has some characteristic(s) that can be warped by matter.

This supports the multidimensional theory of more dimensions than simple Euclidian space.
 

Helix

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I an not a physicist either, my science study/interests lie in Biology, anthropology, and some engineering.

However, what this video raises to my mind is that "space" is not just an empty nothingness waiting to be filled by matter, but that it has some characteristic(s) that can be warped by matter.

This supports the multidimensional theory of more dimensions than simple Euclidian space.

can you give me a little more info on that / an explanation of the terminology?
 

Chomsky

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what do you guys think of this?

https://en.wikipedia.org/wiki/Big_Crunch

i thought that i came up with it, but of course, it is already an established if unlikely theory. the basic premise is that since galaxies are basically circling black holes, eventually there will be enough massive singularities that everything will roll down the spacetime hill and congeal into a singularity with infinite mass. then the big bang happens again. this violates the law of entropy, but you have to take into account that the physical laws of the universe as we know them don't necessarily apply before the big bang. the layman's simple explanation : the universe breathes in and out.

caveat : i'm a biochemist / microbiologist with a limited background in physics, so i can only see this in a broader sense. i can't translate it into mathematics, but it makes sense to me in part because :

<snip>

it's fascinating to think about, at least.
I fully subscribe to this theory, and have for quite a while.

I'm just happy it takes place on an extremely long time frame! :mrgreen:

But how does this violate the 2nd Law?
 

Captain Adverse

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can you give me a little more info on that / an explanation of the terminology?

Again, I am not a mathematician but...

Euclidian Space is what we learn in geometry using the dimensions of Height, Length, and Width to define a measurable space. https://en.wikipedia.org/wiki/Euclidean_space

We add the fourth dimension, Time to measure existence within space.

So in order for matter to function in space as demonstrated in the video to prove gravity...there must be other dimensions acting beyond those measured by our four known dimensions.
 
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Chomsky

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I an not a physicist either, my science study/interests lie in Biology, anthropology, and some engineering.

However, what this video raises to my mind is that "space" is not just an empty nothingness waiting to be filled by matter, but that it has some characteristic(s) that can be warped by matter.

This supports the multidimensional theory of more dimensions than simple Euclidian space.
Yes, Einstein posited this: Gravity warps the space-time continuum. Which is why nothing escapes from behind a black-hole's event horizon, well until a big-bang ostensibly.

Been awhile since I did reading on this stuff, but yeah it *is* absolutely fascinating! :cheers:
 

Chomsky

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Here's something I'd like to contribute to the thread, if I may?

I actually bookmarked this article several weeks ago, but didn't read it 'till right now.

You guys might find it interesting, in that it's on-topic and contemporaneous:

CNN: Gravitational Waves Detected

This really is big news, because it verifies and ties-in one more important bit of Einstein's theories, it moves us further down the path for a unified theory (one that includes gravitation).

Gravity is thought to be the 800lb-guerrilla-in-the-room to making this all work.
 

Paleocon

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what do you guys think of this?

https://en.wikipedia.org/wiki/Big_Crunch

i thought that i came up with it, but of course, it is already an established if unlikely theory. the basic premise is that since galaxies are basically circling black holes, eventually there will be enough massive singularities that everything will roll down the spacetime hill and congeal into a singularity with infinite mass. then the big bang happens again. this violates the law of entropy, but you have to take into account that the physical laws of the universe as we know them don't necessarily apply before the big bang. the layman's simple explanation : the universe breathes in and out.

caveat : i'm a biochemist / microbiologist with a limited background in physics, so i can only see this in a broader sense. i can't translate it into mathematics, but it makes sense to me in part because :


it's fascinating to think about, at least.

It sounds like a rather novel eschatology. Personally I would give more credence to philosophies that weren't just invented last century.
 

Deuce

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It sounds like a rather novel eschatology. Personally I would give more credence to philosophies that weren't just invented last century.

Of course. I mean, why would you want to change things based on newer information?

Headaches are caused by having too much blood and leeches are the best cure.
 

Paleocon

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Of course. I mean, why would you want to change things based on newer information?

What new information?

Headaches are caused by having too much blood and leeches are the best cure.

Headaches can be caused by a wide variety of ailments, hypertension being among them. Therapeutic phlebotomy can be used to treat severe hypertension that does not respond to medication, though this is rare.
 

blarg

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what do you guys think of this?

https://en.wikipedia.org/wiki/Big_Crunch

i thought that i came up with it, but of course, it is already an established if unlikely theory. the basic premise is that since galaxies are basically circling black holes, eventually there will be enough massive singularities that everything will roll down the spacetime hill and congeal into a singularity with infinite mass. then the big bang happens again. this violates the law of entropy, but you have to take into account that the physical laws of the universe as we know them don't necessarily apply before the big bang. the layman's simple explanation : the universe breathes in and out.

caveat : i'm a biochemist / microbiologist with a limited background in physics, so i can only see this in a broader sense. i can't translate it into mathematics, but it makes sense to me in part because :


it's fascinating to think about, at least.

black holes won't ever suck up everything there's a limit to how much pull they have just like any other body at least from a distance and most galaxies are moving away from 1 another dark energy seems to be increasing the rate of expansion to

i have herd a the idea that maybe black holes give birth to ther own universes but i dont thick its backed up by anything not that i know anything about physics
 

blarg

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black holes won't ever suck up everything there's a limit to how much pull they have just like any other body at least from a distance and most galaxies are moving away from 1 another dark energy seems to be increasing the rate of expansion to

i have herd a the idea that maybe black holes give birth to ther own universes but i dont thick its backed up by anything not that i know anything about physics

Our Universe May Have Emerged from a Black Hole in a Higher Dimensional Universe
 

Helix

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intertesting article. i asked my dad what he thought about the whole thing today when we went to play golf. he's a mathematician, and he is self educated in physics. while my theory is that our universe is something like a bubble, he thinks of it more as a band that circles back on itself. i might not be getting that completely right, because i'm having trouble wrapping my mind around it. also, right now i'm too absorbed in my "everything expands, precipitates, and then contracts back into a particle that is orders of magnitude less than the size of an atom with infinite mass before becoming another big bang" breathing universe theory. it just makes so much sense to me that i can't see around it. as a scientist, i need to consider all of the possibilities, not just the possibility that seems like it has to be true.
 

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It's the only one that makes sense to my mind.
 

Deuce

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intertesting article. i asked my dad what he thought about the whole thing today when we went to play golf. he's a mathematician, and he is self educated in physics. while my theory is that our universe is something like a bubble, he thinks of it more as a band that circles back on itself. i might not be getting that completely right, because i'm having trouble wrapping my mind around it. also, right now i'm too absorbed in my "everything expands, precipitates, and then contracts back into a particle that is orders of magnitude less than the size of an atom with infinite mass before becoming another big bang" breathing universe theory. it just makes so much sense to me that i can't see around it. as a scientist, i need to consider all of the possibilities, not just the possibility that seems like it has to be true.

Flipside is:

https://en.wikipedia.org/wiki/Future_of_an_expanding_universe
 

the_recruit

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But the most important development in physics of the past 25 years says otherwise. The universe's expansion is accelerating, not slowing down under gravity.

Up until the turn of the century cosmologists believed the fate of the universe was either A) that it would reverse and contract under the effects of gravity culminating in the Big Crunch you describe or B) continue expanding forever but the rate at which it expands would forever decrease, asymptotically approaching a negligible rate. Observations since have shown (and shocked) the physics community that it is neither A nor B but rather C: the expansion is not slowing down, it's accelerating.
 

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But how does this violate the 2nd Law?

One of the arguments against a never-ending cyclic universe is that there has to be a mechanism for 're-setting' entropy (ie, violating the 2nd law). Otherwise how could we account for the fact that the entropy of the current state of the universe is not arbitrarily large (if the cyclic universe has existed for an infinite amount of time, and entropy has been increasing all that time, why is it not 'infinitely' large?).
 

blarg

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yeah, i definitely like my theory better than infinitely expanding cold dead corpse universe theory.

well with strange aeons even cold death may die

What happens after this is speculative. It is possible that a Big Rip event may occur far off into the future. Also, the universe may enter a second inflationary epoch, or, assuming that the current vacuum state is a false vacuum, the vacuum may decay into a lower-energy state.[36]

Presumably, extreme low-energy states imply that localized quantum events become major macroscopic phenomena rather than negligible microscopic events because the smallest perturbations make the biggest difference in this era, so there is no telling what may happen to space or time. It is perceived that the laws of "macro-physics" will break down, and the laws of "quantum-physics" will prevail.[7]

The universe could possibly avoid eternal heat death through random quantum tunnelling and quantum fluctuations, which could produce a new Big Bang in roughly 10101056 years.[37]
 
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