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Which of these have an event horizon giant black hole white dwarf neutron star?
A black hole has an event horizon, beyond which nothing can escape, including light. Neutron stars also have an event horizon, called the "surface" or "crust," which marks the boundary within which matter is crushed by extreme gravity. White dwarfs, being less massive, do not have an event horizon.
Who coined the term event horizon?
The term "event horizon" was coined by physicist John Michell in 1783 to describe a boundary in space-time beyond which light and matter cannot escape the gravitational pull of a black hole.
What happens to dark matter at the point of the event horizon?
Either nothing or just unknown. Dark matter is a term used by scientists to describe the apparent missing mass of the universe. It is either made up of matter that we can't detect or an error in calculation due to a fundamental error in our current understanding of the nature of the universe. (I suspect the latter).
What is the speed of light near to the event horizon of a Black hole?
The speed of light is a constant, it does not matter in or out of a black hole.
What is the difference between the inner event horizon and outer event horizon?
the event horizon is an imaginary spherical or ellipsoidal shell at a certain altitude above the singularity of the black hole, the shape and altitude above the singularity of this imaginary shell depends on only three properties of the singularity: mass, spin, and charge. the event horizon shell is not solid and so things fall through it quite easily, but nothing inside it can go outside it including lighta black hole has no surface, only a singularity of infinite density at its center
If a light itself cannot escape from black hole then why we can see black hole?
There are two ways. The first is that if there is starlight behind the black hole we will see its event horizon as a completely black sphere. Light passing near the event horizon is bent, producing a severely distorted image of anything behind the black hole. This effect would only be noticeable once you get very close to the black hole. All black holes we have found have been detected indirectly. If a large amount of matter falls into a black hole it will become extremely hot and will emit light and x-rays, which can escape the gravity so long as the material has not crossed the event horizon. Matter that does not fall into the black hole is ejected in two beams of matter at near the speed of light. In a few cases we have also detected objects in orbit around black holes.
How can an event horizon of a black hole generate X-rays?
It doesn't. The X-rays we detect from black holes are generated by superheated matter before it crosses the event horizon.
What kinds of things go in the blck hole?
Black holes can contain anything that has crossed their event horizon, including matter, radiation, and even light. Once inside a black hole, objects are crushed to an extremely high density at the singularity, a point of infinite density at the center of the black hole.
Which of these have an event horizon giant black hole white dwarf neutron star?
A black hole has an event horizon, beyond which nothing can escape, including light. Neutron stars also have an event horizon, called the "surface" or "crust," which marks the boundary within which matter is crushed by extreme gravity. White dwarfs, being less massive, do not have an event horizon.
What planet has a event horizon?
No planet has an event horizon. A black hole has an event horizon; it is the radius within which light cannot escape.
Why do x-rays leave a black hole?
If matter falls into a black hole, it will be accelerated so much that it will emit x-rays. These are emitted before the matter reaches the event horizon, that is, before it is "inside" the black hole. Any x-rays emitted after the matter passes the event horizon will stay inside.
Can an evanescent wave bounce off the event horizon of a black hole and convey what's inside?
The event horizon is not a surface you can touch, or from which things can "bounce off". It is simply the point of no return - if anything gets inside the event horizon, then it can't get out anymore, no matter in what direction it moves, and even if it moves at the speed of light.
Who coined the term event horizon?
The term "event horizon" was coined by physicist John Michell in 1783 to describe a boundary in space-time beyond which light and matter cannot escape the gravitational pull of a black hole.
When was Event Horizon released?
Event Horizon was released on 08/15/1997.
What was the Production Budget for Event Horizon?
The Production Budget for Event Horizon was $60,000,000.
What happens to dark matter at the point of the event horizon?
Either nothing or just unknown. Dark matter is a term used by scientists to describe the apparent missing mass of the universe. It is either made up of matter that we can't detect or an error in calculation due to a fundamental error in our current understanding of the nature of the universe. (I suspect the latter).
What is the speed of light near to the event horizon of a Black hole?
The speed of light is a constant, it does not matter in or out of a black hole.
