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Why the event horizon of a black hole stop the light from getting rid of that?
The event horizon is the point of no return around a black hole where the escape velocity exceeds the speed of light. Light cannot escape from beyond the event horizon because the gravitational pull is so strong that even light cannot overcome it. This is why the event horizon appears to "trap" light within the black hole.
What is the name for the boundary around a black hole beyond which events cannot affect the observer?
The "boundary" you're probably thinking of is called the event horizon. Past this point, the escape velocity of the black hole exceeds the speed of light, meaning nothing, including light, can escape it.
The region around a black hole where no escape is possible is called the?
The distance from a simple black hole's center to the event horizon where escape velocity equals the speed of light is called the Schwarzschild radius, named after the mathematician who solved the relevant field equation from Einstein's theory of General Relativity. The distance can be calculated for a known mass using twice the product of the gravitational constant and the mass, divided by the square of the speed of light.
Is the event horizon mark the boundary which the density is roughly the same as that of the atomic nucleus?
The event horizon is not related to density comparison with the atomic nucleus. It is the point around a black hole where the escape velocity is equal to the speed of light, and nothing, not even light, can escape. The density of a black hole is concentrated in its singularity at the center, not at the event horizon.
How does the escape velocity from a black hole compare with the speed of light?
The escape velocity of a black hole is equal or greater than the speed of light, so light cannot escape
Why the event horizon of a black hole stop the light from getting rid of that?
The event horizon is the point of no return around a black hole where the escape velocity exceeds the speed of light. Light cannot escape from beyond the event horizon because the gravitational pull is so strong that even light cannot overcome it. This is why the event horizon appears to "trap" light within the black hole.
What is the event horizon in a black hole?
That is the "point of no return". Within the event horizon, gravity is so strong that anything that crosses the event horizon can't get out, even if it moves at the speed of light.
Does a black hole have an horizon?
The so-called "event horizon" of a black hole is the point-of-no-return. That means that anything that gets inside the event horizon can't get out any more, even if if it moves at the speed of light.
What is the escape velocity at the event horizon of a black hole?
The escape velocity at the event horizon of a black hole is the speed at which an object must travel to break free from the black hole's gravitational pull. It is equal to the speed of light, which is approximately 186,282 miles per second.
How is the name black hole related to escape velocity?
The word "black" aptly describes the inability of light to escape - all light and matter that passes the event horizon can only do so in one direction, falling in. The reason is, the escape velocity inside the event horizon is greater than the speed of light, the event horizon itself being the boundary at which the escape velocity is equal to that speed. Outside that horizon, the escape velocity is less than the speed of light, hence it would be possible for light and objects moving at speeds approaching that of light to escape.
What is the name for the boundary around a black hole beyond which events cannot affect the observer?
The "boundary" you're probably thinking of is called the event horizon. Past this point, the escape velocity of the black hole exceeds the speed of light, meaning nothing, including light, can escape it.
The region around a black hole where no escape is possible is called the?
The distance from a simple black hole's center to the event horizon where escape velocity equals the speed of light is called the Schwarzschild radius, named after the mathematician who solved the relevant field equation from Einstein's theory of General Relativity. The distance can be calculated for a known mass using twice the product of the gravitational constant and the mass, divided by the square of the speed of light.
What is the escape velocity at the boundary of a black hole?
By definition, the event horizon is a boundary of a black hole at which escape velocity reaches "c", the speed of light. Hence, the event horizon defines a boundary, within which, events can't affect an outside observer; neither light nor matter can escape.
Is the event horizon mark the boundary which the density is roughly the same as that of the atomic nucleus?
The event horizon is not related to density comparison with the atomic nucleus. It is the point around a black hole where the escape velocity is equal to the speed of light, and nothing, not even light, can escape. The density of a black hole is concentrated in its singularity at the center, not at the event horizon.
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.
How does the escape velocity from a black hole compare with the speed of light?
The escape velocity of a black hole is equal or greater than the speed of light, so light cannot escape
What is the speed of you if you get sucked into a black hole?
When you are near the event horizon, you would be close to the speed of light - from your own point of view. From the point of view of an outside observer, you would move slower and slower, and never quite reach the event horizon. This has to do with the queer distortion of space and time caused by the black hole.
