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Thread: Could the big bang have been the start of a black hole?

  1. #1 Could the big bang have been the start of a black hole? 
    Forum Freshman Lightingbird's Avatar
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    Just a thought.

    Is it possible our universe is actually the start of a black hole? Essentially that we and everything in this universe inside of that "hole"?

    No way of knowing but think about it.

    Discuss.


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  3. #2 Re: Could the big bang have been the start of a black hole? 
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    Quote Originally Posted by Lightingbird
    Just a thought.

    Is it possible our universe is actually the start of a black hole? Essentially that we and everything in this universe inside of that "hole"?
    Quite the opposite. The Big Bang was an expansion, while a Black Hole is not.


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  4. #3  
    Forum Freshman Lightingbird's Avatar
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    But how do we know what the other side of a black hole does exactly? Isn't that just assumption?
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  5. #4  
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    Quote Originally Posted by Lightingbird
    But how do we know what the other side of a black hole does exactly?
    What do you mean, "the other side of a black hole"? It is a collapsed star, hence one side will most likely look exactly like any other side of it.

    Are you perhaps referring to the "inside" of a black hole?
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  6. #5  
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    Yes
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  7. #6 Re: Black Hole. 
    Forum Freshman interstellaryeller's Avatar
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    You cannot see inside of a black hole, what you do see is a event horizon,And not the black hole because light connot escape the intense gravity. If you went inside the event horizon your fate is sealed. You would be streathed out into a single stream of atoms. You would possible reappear in a another dimension or unverse or be trapped inside the blackhole forever as energy.
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  8. #7  
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    Quote Originally Posted by Lightingbird
    Yes
    There's not much we can know about the 'inside' of a black hole other than a few properties. The math would show zero volume and infinite density, hence a huge mass is still present based on the size and type of progenitor star.

    Most everything that crosses the event horizon of a black hole will end up as part of the mass, with many of the original properties "squished" out.
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  9. #8 Re: Black Hole. 
    Forum Freshman Lightingbird's Avatar
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    Quote Originally Posted by interstellaryeller
    You cannot see inside of a black hole, what you do see is a event horizon,And not the black hole because light connot escape the intense gravity. If you went inside the event horizon your fate is sealed. You would be streathed out into a single stream of atoms. You would possible reappear in a another dimension or unverse or be trapped inside the blackhole forever as energy.
    I don't think you understand. I was saying the existing universe is INSIDE of a blackhole.
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  10. #9  
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    You mean black hole as interdimensional gateway? To the Restaurant or whatever?

    EDIT: Woohoo! I'm ranked Cosmic Wizard now. A real authority on Restaurants at the End of the Universe.
    A pong by any other name is still a pong. -williampinn
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  11. #10  
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    I wouldn't think its possible.

    1: If we were in a Black Hole, why aren't we dead?

    2: Even if we were in one, are we in something... say a stomach? Wouldn't we be at some other demension?

    3: The Big Bang was a big explosion of atoms clashing into each other at light speed.


    So i really think it wouldn't be possible.
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  12. #11  
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    Quote Originally Posted by (Q)
    Quote Originally Posted by Lightingbird
    Yes
    There's not much we can know about the 'inside' of a black hole other than a few properties. The math would show zero volume and infinite density, hence a huge mass is still present based on the size and type of progenitor star.

    Most everything that crosses the event horizon of a black hole will end up as part of the mass, with many of the original properties "squished" out.
    I agree 110% Q. If part of anyone of us could managed to get squeezed out it would be as energy in some form.
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    Despite the above naysayers, there actually are a few scientists exploring that idea.

    One idea is that every black hole spawns a new "sub" universe. And then black holes in the sub universe spawn more, etc. If true, this would explain why the physics constants are what they are: they're the optimal constants for forming new blackholes, and thus the multiverse is filled predominately with universes like ours, through a process of essentially natural selection.

    This was in Discover magazine not so long ago. Still a pretty raw hypothesis, but you should at least feel validated

    It also makes sense in another way: light can't escape the event horizon of a black hole. And light always travels in a straight line. So there must be infinite distance for light to travel from inside a black hole to outside a black hole. ie: the space inside a black hole is sort of like a positively curved universe in its own right. There are a few problems with this idea, I'm sure, but it's an interesting hypothesis alright.
    "A witty saying proves nothing." - Voltaire
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    cool question man!!! Dont ever think any question is silly!!!
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    It has been said that the (whole) universe could be inside a black hole as there is sufficient mass for that. It is also said that if you had a black hole big enough, there could be sufficient space for normal matter to exist.

    There is certainly no reason why fundamental particles like electrons and quarks cannot exist inside a normal-sized black hole. Neutrons exist in a neutron star with maybe 2/3 light speed escape velocity, so a good part of the way towards being a black hole.
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  16. #15  
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    I'll have to precurse this with the fact that it was a radically figmented idea which found its unlikely and absurb way into my head by happenstance more than by educated guessing.

    The universe is expanding, but not because of direct velocity. Instead it is by the expanding of time-space. Beyond the event horizon of a black hole, gravity stretches time-space to a nearly indefinate point as it approaches the singularity. What if our expanding universe, is only expanding due to the spaghettification of our space after we passed over the event horizon of a super massive black hole, and because time-space is relative, the universe will inevitablly fall into another black hole, toward where the original singularity was originated, and repeat this spaghettification process.

    This would also bypass the whole "universe expanding faster than the speed of light" dillema. It would also link the inverse similarities of the black hole and the big bang. It can also offer and explination of the whole paradox seeing as information is never destroyed, only compressed and stretched(which i find more plausible than the idea of alternate realities suggest by hawking after the recinding of his information paradox theory).
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    The Big Bang was a big explosion of atoms clashing into each other at light speed.
    So there you have it - we actually exist inside a very very very very very very BIG particle accelerator.






    .....


    ya.
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    Firstofthe4. Time is merely a man-made measurement of change. Space is literally nothing, so not much gravity can do there. What is usually called spacetime by physicists is actually the gravitational field of various objects. Since gravity holds everything together, even at the smallest level, it has no fine structure so is like the rubber mat analogy.

    Singularities are non-dimensional points and since all black holes spin, there is not a singularity inside a black hole since they cannot spin. A neutron star has neutrons at an escape velocity of 2/3c (c being light speed) so maybe fundamental particles like electrons and quarks survive inside a black hole (to our knowledge they cannot be broken up), so you would have a sphere of fundamental particles of definite size.

    It has been said that the universe might be inside a black hole (allowing for size and amount of material).

    Expansion does not happen faster than light. If you put ten dots on an elastic band and stretch it, let's say the first one moves away from the end at 1 mps. They are all moving at 1 mps, but the last one is moving away from the end at 10 mps because it is the accumulation of all the distances the other dots are moving at.

    It is possible that something could move away from us faster than light (so we would not be able to see it) if we were both moving at 0.6c so had a total speed of 1.2c.
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    Quote Originally Posted by C_Sensei
    The Big Bang was a big explosion of atoms clashing into each other at light speed.
    So there you have it - we actually exist inside a very very very very very very BIG particle accelerator.

    ya.

    The big bang falls down here in that allowing for the fact that gravity has decided not to work so doesn't collapse the lot into a black hole at 10^-32 of a second, once it has spread out sufficiently so that particle collisions do not make almost wholly trans-uranic elements (higher than No.92) we have every particle in the universe moving away from every other particle. It is not fast but somehow it happens in such a way that only the three lightest elements are formed rather than no elements or all the elements.

    The big bang is of course an expansion rather than an explosion.
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  20. #19  
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    It's possible the bb created a massive black hole that will hopefully suck us all back in several hundred cosmic decades from now, because I sure don't like the idea of a slowly fading universe



    but no, we arn't inside a black hole, a black hole is a misnomer in truth since there is no hole Black Lump would be a better name, a black hole is simply a large lump of matter that is compressed beyond normal physical possibility, the event horizon begins at the brink of physical normality for example if a black holes matter would in normal physics fill a space the size of our sun at it's densist possible form (and as a black hole probably takes up less space that your fist) then the event horizon around that black hole is the size of our sun

    if we were inside a black hole we would be a microscopic lump of matter and very very dead


    although it's entirely possible our entire universe is inside the marble of a child of an even bigger universe like in Men In Black, the truth is we just don't know
    It's not how many questions you ask, but the answers you get - Booms

    This is the Acadamy of Science! we don't need to 'prove' anything!
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  21. #20  
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    black lump? No it resembles more of a hole.
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    And it would also be alot easier to read if you would put punctuation nay even a comma or two here or there in your sentences I get a headache just from trying to read them being so long and without a single pause for a breath it makes me mentally pass out


    How about this: "beyond" our Universe it's all 'black hole' sucking our entire universe towards it in an expanding sphere? Does this = DeSitter space?

    a) does this violate the strength of gravity to pull it all out? If the black hole singularity material is 'infinite'?

    b) how can we verify this experimentally?
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