By whom was the principle of ‘Black hole’ enunciated?

By whom was the principle of ‘Black hole’ enunciated?
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Answer :

S. Chandrashekhar
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Is the singularity at the centre of a black hole subject to quantum effects and would they influence the event horizon?

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Last Answer : answer:I don't see how we could know given current methods of measurement. We can't see inside the event horizon because that's the point beyond which light cannot escape. So the event ... speed. Density of mass approaches infinity. Our laws explode in our paces when fed conditions like these.

How big is your average black hole?

Description : How big is your average black hole?

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How does matter ever fall into a Black Hole?

Description : How does matter ever fall into a Black Hole?

Last Answer : Time runs more slowly for the object as observed by an observer. It runs normally for the object falling in. The observer would see it slow down and then would see a 2 dimensional representation of the ... is falling in. If you are the object, however, you will be spaghettified and be sucked in.

As a proton falls into a black hole, it accelerates. How large will its mass become as it approaches light speed?

Description : As a proton falls into a black hole, it accelerates. How large will its mass become as it approaches light speed?

Last Answer : answer:To answer the title question: The proton will approach light speed as it crosses the event horizon, since that marks the place where light speed is the escape velocity. It won't quite reach light speed ... the singularity of the black hole. I'm even less sure as to what person A will see.

How could a human eye become an Optical Black Hole?

Description : How could a human eye become an Optical Black Hole?

Last Answer : You need to elaborate. What is an optical black hole?

If someone found a black hole, who would you call to test and verify that it really was one?

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Last Answer : Any astronomer or astrophysicist with access to sensitive enough instruments to measure its effects should be able to confirm its presence. We can't see into a black hole, but we definitely can see its effects ... this fashion. There is a super-massive one at the center of our own Milky Way Galaxy.

Can a black hole overeat?

Description : Can a black hole overeat?

Last Answer : I don’t know, lets go ask Beyonce ;¬}

Can someone explain to me, what is the importance of knowing about the Black Hole?

Description : Can someone explain to me, what is the importance of knowing about the Black Hole?

Last Answer : The Black Hole is a major factor in the basic function of the universe and possibly holds clues to the nature of the creation of existence itself. That’s big stuff. That’s like god to astronomers.

What exactly happens when a (hypothetical) antimatter black hole merges with a 'normal' black hole?

Description : What exactly happens when a (hypothetical) antimatter black hole merges with a 'normal' black hole?

Last Answer : I don’ know but I just almost had a ‘black out’ trying to get my head round this question.(-:

Are we inside the black hole being sucked out, or outside the black hole being sucked in?

Description : Are we inside the black hole being sucked out, or outside the black hole being sucked in?

Last Answer : How do we know this is all even real? who’s to say you’re not imaginary, or I’m not imaginary? I don’t think we’ll ever know

What would happen if the Earth were to be struck by a tiny black hole?

Description : What would happen if the Earth were to be struck by a tiny black hole?

Last Answer : A period (.) with an incredibly strong gravitational pull?

what is a black hole

Description : what is a black hole

Last Answer : None knows for sure,but there are some theories: http://en.wikipedia.org/wiki/Black_hole

Is the term "Black Hole" a racist term?

Description : Is the term "Black Hole" a racist term?

Last Answer : You have to be kidding me… It is a scientific term and has no racial significance behind it. Only someone looking for a fight would even try to interpret it in that way.

What do you get when you cross Beyonce with a black hole? -Riddles

Description : What do you get when you cross Beyonce with a black hole? -Riddles

Last Answer : A single-lady-ty (singularity/single lady)

In which city was the famous black hole?

Description : In which city was the famous black hole?

Last Answer : Calcutta

Some black holes, including the M87 black hole, shoot narrow “jets” of ionized matter away from the black hole at nearly the speed of light. How far do the jets from the M87 black hole extend? -Space

Description : Some black holes, including the M87 black hole, shoot narrow “jets” of ionized matter away from the black hole at nearly the speed of light. How far do the jets from the M87 black hole extend? -Space

Last Answer : The M87 black hole's jets blast along its axis of rotation to a distance of roughly 5,000 light years.

Can you go fast enough to get enough mass to become a black hole? -Physics

Description : Can you go fast enough to get enough mass to become a black hole? -Physics

Last Answer : Traveling at high speed does not affect your mass, even in Einstein's theory of Special Relativity. For some reason, pre-college teachers, popular science books, and older physics textbooks claim that ... never be turned into a black hole, or even be made slightly overweight by speeding it up.

How can we differentiate between a black hole made out of antimatter from a black hole made out of matter? -Other

Description : How can we differentiate between a black hole made out of antimatter from a black hole made out of matter? -Other

Last Answer : Antimatter is created in CERN's LHC and other particle colliders. They cause collisions between particles at high speeds to make black holes. When these black holes "evaporate," they produce the matter-antimatter pairs.

Does black hole have a life cycle? -Space

Description : Does black hole have a life cycle? -Space

Last Answer : Birth. A stellar-mass black hole starts its life with a death. It's born when a star at least 10 times more massive than our Sun runs out of fuel, having already fused hydrogen into helium, and helium into other elements, from carbon and oxygen all the way up to iron deep in the star's core.

How did the New Horizon Telescope capture the image of a black hole? -Space

Description : How did the New Horizon Telescope capture the image of a black hole? -Space

Last Answer : Using the Event Horizon Telescope, scientists obtained an image of the black hole at the center of galaxy M87, outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon.

Why we see it as a black hole? Why can't it be a space with absence of visible spectrum? -Space

Description : Why we see it as a black hole? Why can't it be a space with absence of visible spectrum? -Space

Last Answer : The bending of light around a black hole is very significant because of its extremely large mass. Because of this bending, we see light from material that is behind the black hole, which we would not see if light were traveling in straight lines