Can any one explain in detail about black holes?

Answer 1

Try contacting Dr. Hawking through his Answers for Yahooz! account. He'll have the best answer for you.

Answer 2

Where do i begin...

Some people think that black holes don't exist, even though it has been proven that they exist in the middle of each galaxy, including ours(, the milky way). Black Holes are a major collapse of a huge star, after a super-nova, the explosion that results from the lack of fuel the star has to burn. Speaking of which, the fuel is elements, and the stars create the elements that we know of, but that's another story. As the explosion loozes power, in the center, a great vortex is created. Such a great vortex, that light cannot escape it. And since light is the fastest thing, nothing can escape the gravitational pull of a black hole. Once the black hole is created, it starts sucking in all the matter within it's reach. Once it gets sucked into the center, the black hole releases a huge amount of energy at its poles, called quasars. With the discovery of quazars, it is proven that matter can be destroyed to create a huge amount of energy, even though theory of relativity states that nor matter or energy can be created or destroyed. This makes me think if it's possible to create matter out of energy. But the reach of a black hole isl imited by this quasar, in that an optical telescope has picked up light rays from a quazar. Since black holes have the power to take light away, this proves that their gravitational reach is limmited to everything but the poles. Very interesting...

Answer 3

Black Holes are a phenomenon left over from the collapse of super massive stars. Unlike smaller stars where internal pressures are greater than the star's gravity (Causing an explosion), a super massive star's gravity will override the star's internal pressure and collapse in on itself.

No one knows what happens in a black hole and because a black hole is infinitely dense, its gravity is so strong not even light can escape. However, Dr. Steven Hawking proved the existence of "Hawking Radiation" which is a type of radio/gamma energy that slowly escapes a black hole. Over billions of years a black hole can "evaporate" in this way by losing more Hawking Radiation than what the black hole absorbs.

Answer 4

A star several times the size of our Sun, expands to the size of a red giant as its core increasingly constitutes heavy materials like iron. As the star's fuel runs out, the pressure required to maintain the red giant's size is lost and thus the star rapidly collapses.

Due to the incredible amount of mass undergoing compression, the resulting singularity is so unimaginable dense that it warps the fabric of space-time around it (imagine a sheet of paper as space-time. As you push your finger, representing increasing density, through the paper, the paper stretches and finally tears to form a hole)

As we know, gravity is a property of mass, and an object of sufficient mass to prevent even light from escaping out of it is known as a black hole. (Why can't light escape? Recall the example of the sheet of paper. Light travelling along the paper, should it cross where the hole is, has no way of leaving it after entering it)

Answer 5

There is a very good reason why this theory is soon to pass away. It has to do with what is discovered when one determines mass acceleration 0.716 miles from the center of our planet, and at 400 miles from the center of our sun. Were a mass released in any of these locations it would exceed the speed of light in one second.

At my 360 blog - Yahoo, and at http://timebones.blogspot.com there is a two page paper, "The Problem and Repair of Relativity" that explains why this is so. It is easy to understand.

Answer 6

A black hole is a gravitating object whose gravitational field is so strong that light cannot escape.
Here's a great link that explains in more detail what black holes are.
http://www.superstringtheory.com/blackh/blackh1.html

Answer 7

yes, but it would take quite a while. it would be easier for both you and me if you just got a good book about them.
try "a brief history of time" by stephen hawking.

you can also look up "black holes" in wikipedia.

Answer 8

I think black holes are cosmic eggs destined to hatch.

Answer 9

It depends on exactly what you want to know. Check out the Cambridge University site for a pretty decent overview. http://www.damtp.cam.ac.uk/user/gr/public/bh_home.html

Answer 10

nope, other than to say they're collapsed stars