Black Holes: A Universal Mystery

Imagine a force so powerful that not even light can escape its grasp. Hard to imagine? It exists in the form of a black hole. The gravitational field of a black hole can pull in light and just about anything else that makes it past its event horizon. Black holes are called such because since it can absorb visible light, its interior is rendered invisible and indistinguishable from the space around it. It can be seen depending upon the orbiting matter that is interacting with it outside its event horizon. Telescopes have detected gas spiraling in a black hole after emitting large amounts of radiation.

John Michell first came up with the idea that an object could have such a strong gravity force in 1783. Michell’s belief coincided with French physicist Pierre-Simon Laplace’s belief about such forces. Black holes theoretically work under Albert Einstein’s general theory of relativity. In other words, when a large amount of mass is present in a suitably small part of space, all paths through space warp inward toward the center of its volume, and matter and radiation cannot escape it.

There is more than one type of black hole. They are categorized as solutions to Einstein’s general theory of relativity. The simplest black hole is called the Schwarzschild black hole, named after physicist Karl Schwarzschild. These black holes have mass but neither charge nor angular momentum. In the 20th Century, the Reissner-Nordström solution was discovered. This black hole has an electrical charge. The Kerr Solution black hole rotates in space. The Kerr-Newman metric black hole has both an electrical charge and angular momentum.

Most people seem to think black hole suck in everything around it. That is not exactly true. Based on the Schwarzschild solution, it means there is no difference observable to human eyes or telescopes between a black hole and an object of the same mass once it is in the empty space outside an object. Its external gravitational field is the same as normal bodies of the same mass.

The size of a black hole can contain up to a billion solar masses. The largest known black hole measures an incredible 18 billion solar masses. Intermediate-mass black are believed to form from collisions of lower mass black holes. Stellar-mass black holes from 1.5-3.0 to 15-20 solar masses. Micro black holes have a mass less than a star. Read more about black holes at: http://www.smithsonianmag.com/

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Black Holes, Mysterious & Fascinating

Black holes are extremely fascinating to those that love science and astronomy. While black holes are an extremely powerful force in the universe, there is still plenty to be known about this phenomenon. While most of us learn about black holes watching sci-fi movies, TV shows, books, etc black hole science is continuing much needed research to understand this force of nature better.

The Black Hole Phenomenon
Black holes get their name by having an incredibly strong gravitational pull. In fact, there pull is so strong nothing can escape its grasp- not even light. This is why when you look at a black hole out in space, it is pitch black and void of any light. In theory, black holes are dying stars that have run out of energy to continue burning naturally. Instead of being able to push energy out, the energy actually falls back onto the star causing it to implode. As it implodes, it builds up density- becoming more and more dense, the gravitation pull becomes stronger and stronger and hence a black hole is formed.

Read More About Mysterious Black Holes
If you are fascinated with black holes, you should definitely visit Smithsonian Magazines main website. They currently have an interesting article on the subject. You can read it by visiting the following link: http://www.smithsonianmag.com/

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The Facts About Black Holes

Black holes are incredible phenomenon and while most are thousands upon thousands of light years away from Earth, we can easily find them in a whole host of movies, TV shows, books, etc. If you are fascinated by black holes, you should definitely visit the Smithsonian Magazine site to read the current article on the subject.

What is a Black Hole?
For those that are not that familiar with black holes, these phenomenons are extremely interesting and incredibly powerful. In fact, their true power is very difficult to comprehend, because they border on the most powerful forces in the universe. Black holes were once stars- similar to our sun. These stars burnt up all of their fuel and are no longer able to complete nuclear reactions. Stars in this phase can no longer push out energy and since stars have their own gravity and are extremely dense, they start to push inwards onto themselves- forcing the star to implode.

Creating an Immense Force
When a star implodes onto itself, an amazing amount of gravitational force creates an incredibly dense object. This once super large star- usually much bigger than our sun is now extremely small-perhaps even smaller than our planet and this denseness creates incredible forces of gravity. As a particle becomes so dense, the gravitational force also becomes stronger. This is why black holes have tremendous pull on objects surrounding it. In fact, the gravitational pull of a black hole is so intense that nothing near it can escape- even light. Since light can’t escape the gravitation pull, the black hole now seems like a black void from far away- hence the name black hole.

Where are Black Holes Located?
Black holes in theory have been known for a little more than 200 years and while it has only been recently that scientists and astronomers could physically see black holes with telescopes much research has been done on this phenomenon. Black holes can be found throughout our universe and while for a long time it was believed that our galaxy was home to a black hole, the evidence to support this theory only recently became available.

Read More About Black Holes
If you are fascinated about black holes, you will find the article at Smithsonian Magazine extremely interesting. Whether you are a sci-fi fan or love astronomy, there is plenty to learn about black holes. To read the article about black holes please visit our main website at the following link: http://www.smithsonianmag.com

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Space & Black Holes

Black holes are one of the most mysterious phenomenons in the universe. While a major theme plot (and some say character) in many science fiction TV shows, movies and books, black holes are real- yet mostly understood. For those that are interested in science and incredible forces which are inherent in black holes the Smithsonian Magazine has an article on the subject that should not be missed.

What is a Black Hole?
Black holes are extremely intriguing, because they are incredibly powerful and so little is known about them. A black hole is point in space that has a concentration of mass that is extremely dense. When an object is extremely dense- far denser than any imaginable object such as lead, the gravitation pull is extremely strong. With black holes, we are talking about objects that are much denser than average size planets in the space that is taken up in a grain of sand. This amazingly powerful gravitational force that is generated by this mass is so strong that it not only pulls objects to it, but nothing can escape its grasp- not even light. Because light can not escape a black hole’s grasp, the area of space is devoid of any visible object and hence called a black hole.

How is a Black Hole Formed?
Most scientists suggest that black holes are formed by once thriving suns that have died out (they have run out of energy and can not continue to burn normally) and in essence implode onto itself. The process of a star dying out can take literally billions of years, however a black hole can be formed in a split second chemical reaction.

Where are Black Holes Located?
Scientists know of quite a few black holes in the universe and while for a long time black holes were not evident in our galaxy (the Milky Way) recent evidence suggests that even our galaxy is home to a black hole. While the theory of black holes goes back to the late 1700’s, it has only been recently that black holes can be easily studied. With new and improved digital telescopes and the power to crunch lots of data, more and more research and information is now known about one of the most powerful forces in the universe.

Read More About Black Holes
For those that are interested in science, space and black holes, the Smithsonian Magazine has an intriguing article on the subject. To read it, please visit our main website at the following link: http://www.smithsonianmag.com

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Black Holes of the Universe

If you are into science and space one phenomenon that is absolutely incredible and intriguing are black holes. While black holes are widely portrayed in science fiction TV shows, movies and books they are still relatively unknown to scientists and astronomers. These incredible forces of nature are located at the far reaches of the universe and with new technology we are just beginning to crack the surface of how these phenomenons behave.

Black Holes
Black holes are some of the most powerful forces in nature. Once a star like our sun, when this star runs out of fuel to burn, it basically implodes onto itself and becomes extremely dense. As the density of this star increases exponentially, the gravitational force becomes extremely strong- so strong in fact that not even light can escape a black hole's grasp and thus a black hole seems like a giant void from a distance.

Where are Black Holes Located?
The idea and theory of black holes came about in the late 1700’s and as technology developed more and more research has been done. Today, we know of many black holes in the universe, however it wasn’t till recently that a black hole in our very galaxy (the Milky Way) was found.

Read More About Black Holes
The Smithsonian Magazine offers an article regarding black holes for all science, space and sci-fi enthusiasts. To read it, please visit our main website at: http://www.smithsonianmag.com/

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Black Hole Facts

If you are into science, astronomy or even science fiction, you probably are amazed at the phenomenon called black holes. Black holes by their very name convey mystery and intrigue and while man has theorized about the existence of black holes since the late 1700’s, we are still a long way off to knowing precisely what black holes are and how they behave today.

What is a Black Hole?
One of the questions most people have about black holes is exactly what they are. Black holes are theorized to be areas of space in which the gravitational field is so strong and powerful that nothing can escape and break passed its grasp. In fact, black holes show up as completely void areas of space, because not even light can escape the strong gravitational forces. It is believed that a black hole is caused by a large star imploding onto itself creating tremendous density and thus incredibly strong gravitation forces.

The Life of a Black Hole
Black holes as stated above are caused by a large star- much larger than our own sun imploding. These large stars run out of fuel which is necessary for nuclear reaction. Unfortunately, as the star runs out of fuel, the effect of normally pushing energy out is outweighed by its own gravity which continues to grow exponentially until the star incredibly crushes itself. It crushes itself to such a degree that its mass becomes super dense creating incredible forces of gravity that do not let anything escape its force. It should be noted that a black hole does not last for ever, while it does not allow light to escape, x-ray radiation is emitted and eventually black holes become smaller and smaller till eventually they disappear.

Where are Black Holes Located?
One of the most noticeable aspects of black holes is that they usually can be easily located due to the fact that they are completely void areas of space. Black holes have been located throughout our universe in several galaxies. It was theorized that there was even a black hole in our galaxy- the Milky Way, however for a long period of time the evidence was not complete. Recently however, a black hole was discovered in our own galaxy- actually in the center turning many astronomers’ theories on their heads.

For more information regarding black holes, the Smithsonian Magazine has a fascinating article on the subject. To read it, please visit our main website at the following link: http://www.smithsonianmag.com/

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Black Holes: A Scientific Phenomenon

If you are remotely into science, one phenomenon that is a constant draw of much theory and thought is the black hole. Black holes are one of the most powerful forces in the universe and while little is known about these incredible wonders, this fact hasn’t stopped most of the top science fiction writers, TV series and movies to insert them into plenty of story lines. No matter what type of science fiction show you watch these days, a black hole is bound to pop up somewhere during the season.

The Truth About Black Holes
Black holes are a phenomenon that are still largely unknown. Today, thousands of scientists study these immense objects and continue to theorize on how they are created, their powerful forces and where they are located. Since black holes are believed to be stars that have imploded onto themselves, the shear force they create is strong enough that nothing can escape their gravitational force- not even light. With no light to escape, black holes are black voids in space. For a long time it was uncertain whether there was a black hole in our galaxy (the Milky Way), however, recently new evidence has been examined and now many in the field believe that one does exist in our galaxy- a big surprise to many.

Read More About Black Holes
For those interested in black holes, the Smithsonian Magazine has a fantastic article on the subject. You can read about it at the following link: http://www.smithsonianmag.com/

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