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What Is A Black Hole?

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Open Discussion > The Real World > Life Talk > Debates

What Is A Black Hole?

joeyss
QUOTE(DreamCore @ Jan 3 2006, 10:47 AM)
All around the universe there are "black holes".  It is not possible to see a black hole, but its gravitational power is so great that it "gobbles" up anything in its way. A star does not live for ever. It develops over thousands of million of years. The temperature gets higher and higher over the years and when it is hot enough a nuclear reaction starts. The star then starts to swell and becomes what is called a "supergiant". Then two diffrent things happen. If it is a small star it begins to expand and contract over and over again, and, finally, when the star has no more energy, it turns into a white dwarf. If, on the other hand, it is a big star it explodes into a supernova which later becomes a black hole. An object that is drawn into a black hole is lost forever. Noone knows what happens to it or where it goes.
*


I think it just distroys the object when it gets sucked in.

 

 

 


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ZeroHawk
Well never know how it really is for a couple thousand years. Though I didnt know they were invisible. And as to what DogEater said, the sun will grow much much larger before it will explode. So large that it will make the Earth so hot to the point where its an unhabitable rock. So we wont die of the Sun exploding, the Earth will get scorched into a rock before that will happen. Kind of a scary thought, but itll occur in a few million years.

Reply

Kioku
QUOTE(Hellmonkeys @ Jan 3 2006, 07:03 PM)
i once heard from a forum that black holes are formed where god divides by zero. biggrin.gif

i dunno though, since i believe in the flying spaghetti monster..

oh, what do you think happens when two black holes try to suck each other up? they neutralize each other?
*



The fabric of space-time is best defined as two objects can only be explained by "Two objects cannot exist in the same space in the duration of the same time". Back on topic, a Black Hole is not truly a "hole", but a high mass object who's space is small enough to create a large indent on the fabric of space-time. The fabric of space-time is much like a trampoline. Imagine a marble. It leaves an indent on the trampoline. If a larger object is placed on the trampoline, it will pull the smaller marbles towards it. This best defines gravity. If one were to poke down at the trampoline's material firmly, it would create much of an impression towards a small area, causing the material of the trampoline to lean downards, pulling everything in. Speaking in certain levels, it is possible to escape from a black hole, but only as a radio wave. Certain black holes emit radio waves from either pole of their axis. If two black holes were ever to come in contact with eachother, they'd simply become a larger impression and therefor a single black hole. Black holes are not eternal, as in fact it's mathematically impossible to withhold such a thing if it were to emit radio waves which are of a lower frequency than visible light, but the higher wave lengths allow them to escape. This alone would state that on a physical level, it would not allow heat to escape and therefor each time matter would be destroyed, the black hole would generate more energy, since matter cannot be destroyed forever. Instead, it would become electromagnetic waves of bundle of photons. However, this much radiation would eventually cause the event horizon to expand whilst the matter slowly escapes in sub atomic particles known as photons via bundles in low frequency/high wave length radio waves to drift endlessly through space. You can even hear this background radiation in theory on your radio, from when the universe is heard all over. Anyway, my theory simply dictates that if all black holes were to merge together ( it's likely, since the universe is expanding and the death of a black hole takes a long while ) and pull the clumps of the ever-drifting universe back together, forming a super-massive mono black hole, another big bang would occur. This would either state that reality will always repeat itself in the exact fashion and everything repeats itself like a mobius strip or else that everything will be created again after a period of total darkness and everything only existing as photons. I hope this cleared certain things up for people.

 

 

 


Reply

Kioku
Oh yeah, I almost forgot and my appologies ahead of time for double posting;
Our Sun does not possess the matter or energy reuired for supernova-ing. It will become a black dwarf consisted of mainly carbon, speculated. Except the mass will be so great, a scoop of the star's carbon material would be as heavy as a battleship. It requires energy to keep being a star and when it is exhausted to the heaviest elementary material ( carbon. All existence is carbon-based. ), nuclear fusion is no longer able to be performed and it will burn out to the size of a golf ball.

Reply

bucksta
now that i think about it black holes might actually do what everyone thinks they do. nobody has proved anything so might be.

Reply

Kioku
Many mini-rature black holes have been created in labratories in particle accelerators. It's merely a gravitational vortex. On another matter that was discussed prior in this topic, whitre holes could exist, but that's as logically unsound. Creating something that would constantly push. Making a white hole is as impossible as destroying a black hole.

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PDG
realy it was intresting.

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PDG
They are intresting, black holes. I realy don't know them, but here after I read the discussion I found some thing new and strang. It is the advantage of the forum in the web.

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amitojduggal
i read about black holes, in relation to time travel possibilities, the gravity of black holes are such that even light cannot escape, And if we believe in einsteins theory of relativity, if someone uses the gravity of blackhole to travel more than speed of light , we will be traveling iin time, and also cosmic strings ar also important parts of black holes since if some astronauts, catches hold of it, if possible. He will also be travelling in time, It is really good thing

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luis123456
I believe this smile.gif. it is very informative and thank you for this informaqtion, dreamcore

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