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The Schwarzschild radius is size of the event horizon around a black hole, which is the distance from the singularity at which the gravity is no longer strong enough to prevent light from escaping. At this time, the scientific evidence supporting the existence of black holes is very, very strong, although none have actually been directly observed, so, it is most likely to be true.

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Q: What are the black holes in Schwarzschild radius and are they real?
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How much space does a black hole take up?

Not much. The whole point of a black hole is that a lot of matter is concentrated in a fairly small space. The Schwarzschild radius of the Earth - i.e., the size into which it would have to be compressed to become a black hole - is less than 1 cm; the Sun would have to be compressed into a sphere with a radius of about 3 km. In general, the Schwarzschild radius is directly proportional to the mass. In a real black hole, the Schwarzschild radius corresponds to the event horizon - the point of no return.


What are black holes and are they real?

Black holes do exist. They are giant singularities (infinitely small compressed matter) that such pretty much everything in. They have been proven to exist and they are a very talked about subject in the field of astrophysics.


What are some everyday objects that are similar to a black hole?

Because black holes are so extraordinary it would be difficult to draw comparisons to familiar objects on Earth. In particular, no everyday objects here would have infinite matter density or a size smaller than their Schwarzschild radius. Depending on whether you consider them "everyday", then other compact stars (stellar remnants) certainly would have some similarities; one could argue a neutron star evidences some similarities. It may be that we could briefly create a short-lived black hole in a particle accelerator some day in the future and possibly that could become an 'everyday' event; also there is the distinct possibility that there are frequent collisions of cosmic rays traveling at relativistic energies hitting particles in the upper atmosphere that briefly create microscopic black holes... which might constitute the closest we currently get to a real black hole here on Earth.


Aren't Black Holes just hypothetical?

No. They appear to be real objects, and have been observed in various ways. Stars near the centers of galaxies as seen to move in ways that are possible only if they are rapidly orbiting black holes.


Why are there no real pictures of black holes?

Back holes don't emit radiation*. Photography works by reacting a chemical-coated strip by the light emitted by an object, or photochemically noticing the light. Thus, direct photography of black holes is practically impossible.

Related questions

How much space does a black hole take up?

Not much. The whole point of a black hole is that a lot of matter is concentrated in a fairly small space. The Schwarzschild radius of the Earth - i.e., the size into which it would have to be compressed to become a black hole - is less than 1 cm; the Sun would have to be compressed into a sphere with a radius of about 3 km. In general, the Schwarzschild radius is directly proportional to the mass. In a real black hole, the Schwarzschild radius corresponds to the event horizon - the point of no return.


Why are black holes real?

Because black women have anus' too


If there are no real pictures of black holes?

I am not entirely sure what the question is. Anyway, black holes cannot be seen directly. You can detect their presence due to their gravitation.


Did black holes exist in 1999?

Black holes did exist in 1999, and long before that. While black holes cannot be observed directly, they have been hinted at having existed by Einstein. The first real recording of the side effects of a Black hole was in 1971.


Are there black wholes in space?

I assume you mean "black holes". Yes, it is now considered quite certain that they do, indeed, exist. Please note that the properties of black holes in science fiction are often quite different than those of real black holes - basically, whatever suits the author's plot.


What are black holes and are they real?

Black holes do exist. They are giant singularities (infinitely small compressed matter) that such pretty much everything in. They have been proven to exist and they are a very talked about subject in the field of astrophysics.


If scientists cannot see black holes and do not know for certain that they exist why might studying them be important?

The assumptions are not quite correct.Scientists CAN see black holes. In fact, black holes are among the brightest objects in the Universe. Of course, light can't escape from WITHIN the black hole; rather, what we see is the accretion disk. Also, scientists are PRETTY SURE that black holes are real. As to why it is important: Black holes are fascinating objects by themselves. They also seem to play an important role in galaxy formation.


What are some everyday objects that are similar to a black hole?

Because black holes are so extraordinary it would be difficult to draw comparisons to familiar objects on Earth. In particular, no everyday objects here would have infinite matter density or a size smaller than their Schwarzschild radius. Depending on whether you consider them "everyday", then other compact stars (stellar remnants) certainly would have some similarities; one could argue a neutron star evidences some similarities. It may be that we could briefly create a short-lived black hole in a particle accelerator some day in the future and possibly that could become an 'everyday' event; also there is the distinct possibility that there are frequent collisions of cosmic rays traveling at relativistic energies hitting particles in the upper atmosphere that briefly create microscopic black holes... which might constitute the closest we currently get to a real black hole here on Earth.


Aren't Black Holes just hypothetical?

No. They appear to be real objects, and have been observed in various ways. Stars near the centers of galaxies as seen to move in ways that are possible only if they are rapidly orbiting black holes.


Which kind of black hole is the largest?

technically, we do not know whether black holes are real. theoretically, they are completely possible. scientist believe that they have seen on but are not sure. if real, the largest one originate from larger stars


Why are there no real pictures of black holes?

Back holes don't emit radiation*. Photography works by reacting a chemical-coated strip by the light emitted by an object, or photochemically noticing the light. Thus, direct photography of black holes is practically impossible.


What are 'mathematical black holes'?

This probably refers to a certain model of a black hole - described mathematically, and perhaps even using certain simplifications, that don't necessarily correspond 100% to the real black holes.This probably refers to a certain model of a black hole - described mathematically, and perhaps even using certain simplifications, that don't necessarily correspond 100% to the real black holes.This probably refers to a certain model of a black hole - described mathematically, and perhaps even using certain simplifications, that don't necessarily correspond 100% to the real black holes.This probably refers to a certain model of a black hole - described mathematically, and perhaps even using certain simplifications, that don't necessarily correspond 100% to the real black holes.