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Black holes.. wtf

M

MistaTastyCakes

Golden Member
So, from what I gather a black hole is comprised of infinite density and gravity.. and applying Einstein's theory of relativity to that, it's safe to assume that the infinite gravitational pull would cause space and time within a black hole to cease existing as we know it. And the black hole could apparantly fold the space around it in on itself, sorta. Now, I don't know much about physics and numerical relativity and whatnot, and I'm probably a little bit off on my understanding of how one works.. I gathered up some info from a NASA page and this is what I kinda deciphered from it.

So like.. if space and time do not exist as we know it within a black hole, how does it exist? Or is it nonexistant? But, how can there be no space? Isn't space nothingness, filled with matter such as planets and whatnot? How do you have no nothingness?

I'm so confused.. someone clarify please! 😕

:Q
 
Originally posted by: MistaTastyCakes
So, from what I gather a black hole is comprised of infinite density and gravity.. and applying Einstein's theory of relativity to that, it's safe to assume that the infinite gravitational pull would cause space and time within a black hole to cease existing as we know it. And the black hole could apparantly fold the space around it in on itself, sorta. Now, I don't know much about physics and numerical relativity and whatnot, and I'm probably a little bit off on my understanding of how one works.. I gathered up some info from a NASA page and this is what I kinda deciphered from it.

So like.. if space and time do not exist as we know it within a black hole, how does it exist? Or is it nonexistant? But, how can there be no space? Isn't space nothingness, filled with matter such as planets and whatnot? How do you have no nothingness?

I'm so confused.. someone clarify please! 😕

:Q
Click to expand...

ask the pope
 
IIRC, all matter inside a black hole is located in an infintly small and infintly dense point known as the Quantum Singularity.
 
well if youre tlaking about how do you have nothingness, there are vacuums. of course theres vacuum fluctuations and stuff that makes it not really nothing, but a vacuum is considered to be nothingness
 
It is theorized that as you approach the event horizon of a black hole, the gravitation forces slow time... the closer you get, the slower time moves.

once you enter a black hole, all known reality goes out the window, so there is not enough information to hypothesize what happens. Some theories suggest you emerge someWHERE else, some suggest you emerge someTIME else. If gravity is that dense.. i would guess you dont emerge at all because your body would be turned to liquid soup from the gravitational forces.. either that or you'd be torn apart.

Either way, i dont think we'll ever know.

 
Originally posted by: venk
IIRC, all matter inside a black hole is located in an infintly small and infintly dense point known as the Quantum Singularity.
Click to expand...

Ah ha.. I've heard of the singularity before, but never in such an easy explanation.. that just kinda blows my mind though. Ininite is a big number. :Q

It's pretty amazing to think that something could be crushed to an infinitely small size. I was reading about how a teaspoonfull of a neutron star would weigh millions upon millions of pounds, if someone could literally get a teaspoon of one. That kinda blows the mind already, but then ya get into infinites and stuff and it's real intriguing. Does the pull of gravity within a black hole actually cause spacetime to change in a manner like I stated?

And if gravity is infinite in a black hole, how come we haven't been sucked into one yet? Or could we slowly be, seeing as many spiral galaxies have a black hole in the center?

As for Amish's question, I think some of his theories apply, but not all of em.. honestly I'm not 100% sure though.
 
Originally posted by: guyver01
It is theorized that as you approach the event horizon of a black hole, the gravitation forces slow time... the closer you get, the slower time moves.

once you enter a black hole, all known reality goes out the window, so there is not enough information to hypothesize what happens. Some theories suggest you emerge someWHERE else, some suggest you emerge someTIME else. If gravity is that dense.. i would guess you dont emerge at all because your body would be turned to liquid soup from the gravitational forces.. either that or you'd be torn apart.

Either way, i dont think we'll ever know.
Click to expand...

From what I've heard so far, ya wouldn't be torn apart, but simply crushed into infinite smallness and basically turned into nothingness. :Q
 
Originally posted by: MistaTastyCakes
Originally posted by: venk
IIRC, all matter inside a black hole is located in an infintly small and infintly dense point known as the Quantum Singularity.
Click to expand...

Ah ha.. I've heard of the singularity before, but never in such an easy explanation.. that just kinda blows my mind though. Ininite is a big number. :Q

It's pretty amazing to think that something could be crushed to an infinitely small size. I was reading about how a teaspoonfull of a neutron star would weigh millions upon millions of pounds, if someone could literally get a teaspoon of one. That kinda blows the mind already, but then ya get into infinites and stuff and it's real intriguing. Does the pull of gravity within a black hole actually cause spacetime to change in a manner like I stated?

And if gravity is infinite in a black hole, how come we haven't been sucked into one yet? Or could we slowly be, seeing as many spiral galaxies have a black hole in the center?

As for Amish's question, I think some of his theories apply, but not all of em.. honestly I'm not 100% sure though.
Click to expand...

The gravity can't be infinite, otherwise we would be sucked in...along with everything else. It's really big...but still subject to the inverse square law.
 
would guess you dont emerge at all because your body would be turned to liquid soup from the gravitational forces.. either that or you'd be torn apart.
Click to expand...

Isn't that called spaghettification (spelling)?
 
you would probably just be compressed into an area about 1/0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000th

the size of a dustmite
 
Originally posted by: Schadenfroh
you would probably just be compressed into an area about 1/0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000th

the size of a dustmite
Click to expand...

And constantly becoming smaller and more dense!! :Q:Q:Q

Of course, it's boggling to think that some people can actually become more dense than they already are 😉
 
Originally posted by: guyver01
It is theorized that as you approach the event horizon of a black hole, the gravitation forces slow time... the closer you get, the slower time moves.

once you enter a black hole, all known reality goes out the window, so there is not enough information to hypothesize what happens. Some theories suggest you emerge someWHERE else, some suggest you emerge someTIME else. If gravity is that dense.. i would guess you dont emerge at all because your body would be turned to liquid soup from the gravitational forces.. either that or you'd be torn apart.

Either way, i dont think we'll ever know.
Click to expand...

i think that u'll just die because u'll be torn apart from the gravitational forces
 
Read Stephen Hawking's "A Brief History of Time". He also has a book called something like "Black Holes and Baby Universes". They are both really good books. He does a great job of making sense of it all. He will say something really over your head, then he will say, "In other words....", and will put it in Lehman's Terms for you. I learned a TON from those books.

It is also now known that every single Galaxy has a black hole...sucking in all the solar systems... even our own. (It was on Discovery channel or something)
 
From what I've heard so far, ya wouldn't be torn apart, but simply crushed into infinite smallness and basically turned into nothingness.
Click to expand...

From what I've read, you would be torn apart. Because different parts of your body would be different distances from the singularity, each part of your body would experience a varying degree of gravitational force. The same is true on earth, but the gravitational force here is too weak to cause any harm in this manner. However, the force of gravity at the singularity is so strong that the varying forces would actually tear your body apart. This is spaghettification.

Of course, after you're torn apart you would be crushed into an infinitely small space.
 
Originally posted by: DanTMWTMP
Originally posted by: guyver01
It is theorized that as you approach the event horizon of a black hole, the gravitation forces slow time... the closer you get, the slower time moves.

once you enter a black hole, all known reality goes out the window, so there is not enough information to hypothesize what happens. Some theories suggest you emerge someWHERE else, some suggest you emerge someTIME else. If gravity is that dense.. i would guess you dont emerge at all because your body would be turned to liquid soup from the gravitational forces.. either that or you'd be torn apart.

Either way, i dont think we'll ever know.
Click to expand...

i think that u'll just die because u'll be torn apart from the gravitational forces
Click to expand...

not too mention its difficult to breath in a vacuum
 
Originally posted by: edro13
Read Stephen Hawking's "A Brief History of Time". He also has a book called something like "Black Holes and Baby Universes". They are both really good books. He does a great job of making sense of it all. He will say something really over your head, then he will say, "In other words....", and will put it in Lehman's Terms for you. I learned a TON from those books.

It is also now known that every single Galaxy has a black hole...sucking in all the solar systems... even our own. (It was on Discovery channel or something)
Click to expand...

So is that how spiral galaxies are created and all? Kind of a toilet effect?
 
Originally posted by: CubicZirconia
From what I've heard so far, ya wouldn't be torn apart, but simply crushed into infinite smallness and basically turned into nothingness.
Click to expand...

From what I've read, you would be torn apart. Because different parts of your body would be different distances from the singularity, each part of your body would experience a varying degree of gravitational force. The same is true on earth, but the gravitational force here is too weak to cause any harm in this manner. However, the force of gravity at the singularity is so strong that the varying forces would actually tear your body apart. This is spaghettification.

Of course, after you're torn apart you would be crushed into an infinitely small space.
Click to expand...

Hmm, you're probably right, that does make some sense. Either way, the outcome would suck 😛

Read Stephen Hawking's "A Brief History of Time". He also has a book called something like "Black Holes and Baby Universes". They are both really good books. He does a great job of making sense of it all. He will say something really over your head, then he will say, "In other words....", and will put it in Lehman's Terms for you. I learned a TON from those books.
Click to expand...

I've heard a couple other people recommend his books. I'll check em out 🙂
 
There is a black ho that stands on the corner, a block from my house.
She's really dense.















And yes, she does suck...
 
I'm confused.

I thought Anna Nicole Smith was denser than a Black Hole. 😕


.....At least that's what I learned in Physics class.

It was a multiple choice question on my test. Most people in class (90%) answered this.
 
Originally posted by: MistaTastyCakes
Originally posted by: edro13
Read Stephen Hawking's "A Brief History of Time". He also has a book called something like "Black Holes and Baby Universes". They are both really good books. He does a great job of making sense of it all. He will say something really over your head, then he will say, "In other words....", and will put it in Lehman's Terms for you. I learned a TON from those books.

It is also now known that every single Galaxy has a black hole...sucking in all the solar systems... even our own. (It was on Discovery channel or something)
Click to expand...

So is that how spiral galaxies are created and all? Kind of a toilet effect?
Click to expand...

No, at least I'm fairly certain that it's not. From what I understand Black Holes exist through galaxies, the larger ones being towards the center. Gravity is what creates the galaxies (not specifically from a black hole, though) and cetrifugal forces is what keeps them from flying off.
 
Didn't they surmise that it was an incredibly large black hole at the centre of the Milky Way?? I remember watdhing something on Space, and they were talking about black holes and other phenomena, and I beleive they mentioned something to the effect that the centre of the Milky Way is slowly counteracting the force of the Big Bang... and that the countervailing forces would draw Andromeda towards us..
 
Originally posted by: CastorTr0y
well if youre tlaking about how do you have nothingness, there are vacuums. of course theres vacuum fluctuations and stuff that makes it not really nothing, but a vacuum is considered to be nothingness
Click to expand...

They aren't really vacuums because black holes *DON'T* suck. Matter only falls into them when the gravity from the black hole is stronger than the gravity from anything else near the matter.
 
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