Can a whitehole exist?


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Im just wondering i hear about antimatter, dark matter, matter antimatter comets and all these other things, but whiteholes are something rarely talked about,

If a white hole truly existed wouldnt we have found one by now, cause weve found blackholes, but not a white hole, so wouldnt you think we wouldve found one by now?

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I was about to say "what HAVE you been smoking!?" but on second thought, googled it so as not to look like a tool by saying "omgwtfnowayn00b" when it actually exists in writting....

What is a white hole?

The short answer is that a white hole is something which probably cannot exist in the real universe. A white hole will turn up in your mathematics if you explore the space-time around a black hole without including the star which made the black hole (ie. there is absolutely no matter in the solution). Once you add any matter to the space-time, the part which included a white hole disappears.

article found here

The joys of google....

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ooo, and usually when i go to google i have parental lock on it, lil brother loved using it for porn so i cant use search engines.

thanks for finding this link for me,

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well id research it further if i had necessary tools on my computer unfornatly i live in place where there isnt a library and if i wanan go to my old high school i hvae long walk lol.

other then that ill try to find more about whitehole theorys

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okay, well in contrast to black holes, whiteholes eject matter instead of absorbing in matter. A wormhole is  two white holes are linked via the Einstein-Rosen Bridge

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This is just a theory however. Unlike Black Holes, which have been indirectly observed quite often and a massive amount of supporting evidence exists for, white holes are simply mathmatical possibilities, and Einstein-Rosen bridges (even if they could exist) are probably completely unstable.

I think it is very unlikely white holes/wormholes really exist for more than fractions of seconds.

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but in theory a whitehole could exist, for fractions of a second, to expel some matter then dissapait? which in way would sound kind of funny, but if you think about it, maybe a black holes singularity, crushes things to oblivion when its gettin poofed out instead of getting destroyed it pops out in a white hole as cosmic dust, or something, juss a theory i was thinking of at work.

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In the article I posted, the writer states that as soon as there is matter, there can be no white-hole. He also refers to it in the context of space-time, which as far as I know doesnt exist materially in the first place.

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:happy: Black-holes are Energy conduits between dimensions of the Universe. They also exist in many other colors; green, blue, etc. Something like a quasar may be the 'other side' of a Black-hole, so yes, you could call them 'white-holes'.

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:happy: Black-holes are Energy conduits between dimensions of the Universe.  They also exist in many other colors; green, blue, etc.  Something like a quasar may be the 'other side' of a Black-hole, so yes, you could call them 'white-holes'.

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I am getting a little tired of your misinformative posts, please show evidence of these existing in different colors.

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I thought a black hole wasn't even a 'hole' :huh:

It's just a star which has had all it's matter compressed to a size smaller than a pinhead, therefore it gets a ton of gravity, and pulls everything else in?

But of course that doesn't make any sense either as surely it would get bigger as it pulled mass in to itself :s

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Never actually heard of a white hole being mentioned in real life discussion. Only ever heard of it on Red Dwarf:

CAT: So, what is it?

KRYTEN: I've never seen one before -- no one has -- but I'm guessing it's

a white hole.

RIMMER: A _white_ hole?

KRYTEN: Every action has an equal and opposite reaction. A black hole

sucks time and matter out of the universe: a white hole returns it.

LISTER: So, that thing's spewing time back into the universe? (He dons

his fur-lined hat.)

KRYTEN: Precisely. That's why we're experiencing these curious time

phenomena on board.

CAT: So, what is it?

KRYTEN: I've never seen one before -- no one has -- but I'm guessing it's

a white hole.

RIMMER: A _white_ hole?

KRYTEN: Every action has an equal and opposite reaction. A black hole

sucks time and matter out of the universe: a white hole returns it.

LISTER: (Minus the hat.) So, that thing's spewing time back into the

universe? (He dons his fur-lined hat, again.)

KRYTEN: Precisely. That's why we're experiencing these curious time

phenomena on board.

LISTER: What time phenomena?

KRYTEN: Like just then, when time repeated itself.

CAT: So, what is it?

They all stare at him.

CAT: Only joking.

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I thought a black hole wasn't even a 'hole' :huh:

It's just a star which has had all it's matter compressed to a size smaller than a pinhead, therefore it gets a ton of gravity, and pulls everything else in?

But of course that doesn't make any sense either as surely it would get bigger as it pulled mass in to itself :s

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Stars more massive than our sun meet this fate, blackholes are theorized to be a tear in the fabric of space-time in which we don't know where that matter ends up, we do know that as the matter approaches the event horizon its is stripped of its atoms in a process known as spaghettification Some say that it is crunched into a singularity. What is certain though, is that blackholes do exist.

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Well, I thought that the matter was converted into energy and released as radiation...

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Its is through the x-rays that are released in the acretion disk is how blackholes are detected, this matter emits the x-rays before it approaches the event horizon.

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black holes confuse me, and the physics behind them makes me get a headache, i was walking to work thinkin bout white holes and black holes and theories behind them and stars, and other spacial objects and i got a bad migraine. lotta stuff to think about that we cant understand yet.

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Bernard Werber said something about there being an "end" to the black hole at the centre of the galaxy, which would eject the matter absorbed by the hole. But I guess if that was happening the black hole would be getting lighter and thus we'd detect it.

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Its is through the x-rays that are released in the acretion disk is how blackholes are detected, this matter emits the x-rays before it approaches the event horizon.

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Yeah, I understand that... but if Energy = mass and mass = energy, when mass is consumed in the black hole, it just gets converted to energy, right?

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Yeah, I understand that... but if Energy = mass and mass = energy, when mass is consumed in the black hole, it just gets converted to energy, right?

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Well that's the thing see, we don't know what happens beyond the event horizon of a Black Hole. Strickly speaking, no the mass wouldn't be converted to energy EXCEPT near the event horizon where it could be ejected as high energy particle streams etc. Once it passes beyond the event horizon, well who knows. The laws of physics don't apply there, hell inside a Black Hole could be a whole new dimension for all we know where matter and energy aren't the same. Either way, mass + event horizon = byebye

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