Is matter leave the event horizon during the merger of black holes?

Date:

2017-11-21 18:30:09

Views:

4155

Rating:

1Like 1Dislike

Share:

Is matter leave the event horizon during the merger of black holes? Source:

As soon As you get to the event horizon of a black hole, you will never leave. There is no speed that you could gain, even the speed of light to allow you to enter. But in General relativity space is curved in the presence of mass and energy, and black holes — one of the most extreme scenarios of this curvature. Is there any way to get into the black hole, cross the event horizon and then leave it when the event horizon will be curved under the action of a massive merger?

When merging two black holes is matter within the event horizon of one black hole, to escape? Can they take and migrate to another (more massive black hole)? How about going beyond both horizons?

This idea is certainly insane. But is it sufficiently crazy to actually work? To answer this question, we will help physicist Ethan Siegel.

When a massive star ceases to exist, or when two sufficiently massive stellar remnant merge, can form a black hole with the event horizon, proportional to its mass, and disk accretion, in which twisted surrounding the black hole matter

A Black hole is usually formed in the collapse of the core of a massive star or after a supernova explosion of a star or the merger of neutron stars or direct collapse. As far as we know, each black hole is formed from matter that was part of the star, so in many respects, black holes are the final remains of stars. Some black holes are formed in isolation; others are part of a binary system. Over time black holes can not only curl in a spiral and merge, but to absorb another substance that falls into the event horizon.

In the Schwarzschild black hole fall inside leads to the singularity and the dark. Regardless of which direction you are traveling, as faster and so on, crossing the event horizon is the inevitable collision with the singularity

When something crosses the event horizon of a black hole from the outside, it is doomed. Within seconds the object reaches the singularity at the center of the black hole: the point for non-rotating black holes and rings for rotary. The black hole itself does not remember which particles fell into it or what is their quantum state. Instead, all that remains, from the point of view of information is the total mass, charge and angular momentum of the black hole.

the last pre-merge, the space-time surrounding a black hole, will be broken, because the matter will continue to drop in both black holes from the environment. In any case, do not assume that something will be able to escape from inside the event horizon

Thus, it is possible to imagine a scenario in which material falls onto the black hole during the final stages of a merger when one black hole that's connected on the other. Because black holes must always have accretion disks and the interstellar medium is constantly flying matter, the event horizon will be constantly crossing particles. It's simple, so let's look at a particle that fell into the event horizon before the final moments of the merger.

Could it theoretically run? Can "jump" from one black hole to another? Let us consider the situation from the point of view of space-time.

Computer simulation of two merging black holes and the curvature of space-time, caused by them. Although gravitational waves are emitted continuously, the substance can not escape

When two black holes merge, they do it after a long period of twist of the spiral, in which the energy is radiated in form of gravitational waves. Up to the final moments before the merger of the energy is emitted and flies away. But it can't cause the event horizon or even a black hole shrink; instead, the energy comes from space-time in the center of mass, which is deformed stronger and stronger. With such success it would be possible to steal energy from the planet mercury; it would rotate closer to the Sun, but its properties (or properties of the Sun) does not change.

However, when in the last moments of the merge event horizons of two black holes are deformed by the gravitational presence of each other. Fortunately, numerical relativists have already calculated how the merger affects the event horizon, and it's impressively informative.

Despite the fact that up to 5% of the total mass of black holes before the merger can be radiated in form of gravitational waves, the event horizon never decreases. It is important that if you take two black holes of equal mass, their event horizons will occupy a certain volume of space. If you combine them with the creation of a black hole double weight, the amount of space occupied by the horizon, will be four times the original volume of the combined black holes. The mass of black holes is proportional to their radius, but the volume is proportional to the cube of the radius.

Although we have found many black holes, the radius of each of the event horizon is directly proportional to the mass of the hole, always. Double the mass, double radius, but the area will increase four times, and the volume — eight

It Turns out that even if you will keep the maximum particle in a stationary state inside a black hole and it will be possible to slowly fall towards the singularity, there was no way out. The total volume of the combined event horizon during the merger of black holes increases, and regardless of what the trajectory of a particle crossing the event horizon, it is doomed to be swallowed by the singularity of the joint of the two black holes.

In many scenarios, astrophysicists appear to emission when matter escapes from the object during the cataclysm. But in the case of merging black holes, everything inside, stays inside, the outside, is drawn, and only a few of the outside, can escape. Falling into a black hole, you are doomed. And another black hole will not change the balance of power.

...

Recommended

Can genes create the perfect diet for you?

Can genes create the perfect diet for you?

Diet on genotype can be a way out for many, but it still has a lot of questions Don't know what to do to lose weight? DNA tests promise to help you with this. They will be able to develop the most individual diet, because for this they will use the m...

How many extraterrestrial civilizations can exist nearby?

How many extraterrestrial civilizations can exist nearby?

If aliens exist, why don't we "hear" them? In the 12th episode of Cosmos, which aired on December 14, 1980, co-author and host Carl Sagan introduced viewers to the same equation of astronomer Frank Drake. Using it, he calculated the potential number ...

Why does the most poisonous plant in the world cause severe pain?

Why does the most poisonous plant in the world cause severe pain?

The pain caused to humans by the Gimpi-gympie plant can drive him crazy Many people consider Australia a very dangerous place full of poisonous creatures. And this is a perfectly correct idea, because this continent literally wants to kill everyone w...

Comments (0)

This article has no comment, be the first!

Add comment

Related News

The Amish have discovered a mutation that overcomes diabetes, and even aging

The Amish have discovered a mutation that overcomes diabetes, and even aging

the Amish, also known as the Amish, — it is a religious community living in several US States and in Canada. The Amish are distinguished by their simplicity of life, dress, and reluctance to adopt most modern technologies an...

The first explosion at Chernobyl was a nuclear, say scientists

The first explosion at Chernobyl was a nuclear, say scientists

the Accident at the Chernobyl NPP occurred on 26 April 1986, has become one of the worst in the history of mankind. Previously it was thought that the explosion at the fourth unit was because in the experiment, the uncontrolled he...

In New Zealand proposed to deal with animal pests by using CRISPR

In New Zealand proposed to deal with animal pests by using CRISPR

the Technology of gene editing CRISPR finds more and more different applications. In New Zealand, for example, decided to get rid of rodents and other pests. Mouse possums, rats and other rodents cause New Zealand a huge financial...

In China want to build a space Shuttle with a nuclear engine

In China want to build a space Shuttle with a nuclear engine

In a new report published by the Chinese Corporation of space science and technology (CASC) is dedicated to the space program of China, contains many ambitious goals that the Corporation aims for the next 20 years. Some of them En...

To predict how will the evolution of people, impossible

To predict how will the evolution of people, impossible

we All know how the Neanderthals looked like: a prominent brow, thick nose, elongated skull, powerful bone structure, and probably red hair and freckled skin. You may look askance at the redheads when they meet in the subway, but ...

Scientists have discovered another promising templatebuy planet

Scientists have discovered another promising templatebuy planet

Just 11 light years from the Solar system astronomers have discovered a new earth-like planet with a climate that can be expected to come to life. It should be noted that after Proxima b is the second closest exoplanet to us to ha...

13 scientifically proven signs that you are smarter than you think

13 scientifically proven signs that you are smarter than you think

Everyone wants to appear more modest. "Who is smart? I? No, I just got lucky..." this is Due, perhaps, primarily because most of us don't want to be the object of attention or someone's prejudice. Of course, there are those who ju...

NASA tested the Mars supersonic parachute

NASA tested the Mars supersonic parachute

the Parachute system ASPIRE that you want to use for the mission Mars 2020, has successfully passed the first . Supersonic «space parachute» developed by engineers at the American space Agency in order to in the future t...

Over 15 thousands of scientists warned everyone about the impending environmental disaster

Over 15 thousands of scientists warned everyone about the impending environmental disaster

In 1992, more than 1,700 of concerned scientists, including the vast majority living at that time, Nobel laureates, published an open letter, appealing to all inhabitants of our planet. The message was simple: if we do not soon ta...

The scientists were able to rejuvenate human cells using conventional products

The scientists were able to rejuvenate human cells using conventional products

according to the publication BMC Cell Biology, a group of British scientists from Exeter University discovered a new method of rejuvenating human cells. Moreover, the substance that makes cells younger — this resveratrol. Th...

10 simple questions to which science has no answer

10 simple questions to which science has no answer

Sometimes it may seem that science was getting close enough to completely solve all mysteries. We have theories about wormhole, dark matter, early Universe and a map that reflects in detail how from the unicellular organism life e...

Scientists have figured out how long microorganisms could survive on Mars

Scientists have figured out how long microorganisms could survive on Mars

Mars is difficult to call a hospitable place. Despite the fact that the daytime temperature at the equator here in the summer can reach 35 degrees Celsius, its average for the planet is about -63 degrees. In this case, the poles a...

Scientists have discovered why elephants don't get cancer

Scientists have discovered why elephants don't get cancer

Elephants and other large animals are rarely sick . This gave scientists the idea that they possess some protective mechanism that protects them from this disease. That's just what the mechanism was not clear until recently. A new...

Bitcoin is not a bubble. And here's why

Bitcoin is not a bubble. And here's why

Many public figures in the traditional financial sector, including JPMorgan CEO Jamie Morgan, have criticized bitcoin, describing it as a bubble. However, because of the decentralized, mathematical and transparent nature to call b...

The extinction of the dinosaurs is only a coincidence

The extinction of the dinosaurs is only a coincidence

Falling to Earth of a meteorite 65 million years ago that caused the death of the dinosaurs, is nothing short of an accident, the probability of which was extremely small. After all, if the place of falling was any other, mass ext...

Poor school performance increases the risk of death in the future

Poor school performance increases the risk of death in the future

"You do not learn – you will not find a normal job." I'm sure many have heard this phrase from their parents. But what if the poor performance may affect our health? It would seem that any connection between health and bad grades ...

Five unexpected and great discoveries of physics

Five unexpected and great discoveries of physics

When you teach the scientific method, you get used to follow a careful procedure to get an idea about a natural phenomenon of our Universe. Start with ideas, experiment, test the idea or disprove it, depending on the result. But i...

Philosopher: the colonists on Mars will not survive without religion

Philosopher: the colonists on Mars will not survive without religion

Without which it would be difficult to survive the future Martian colonists? Without water, food, necessary equipment and supplies, good shelter, protecting people from radiation… it was All nonsense, said the Polish philoso...

Discovered the oldest spiral galaxy in the Universe

Discovered the oldest spiral galaxy in the Universe

With the help of space telescopes like the Hubble astronomers are trying deeper and deeper look inside the cosmic web of the Universe. After all, the farther you look, the further back in time you penetrate, and it allows you to s...

Scientists have found a way to rid the brain of unwanted thoughts

Scientists have found a way to rid the brain of unwanted thoughts

many people suffer from the oppressive consciousness of thoughts, worried about work, family, relationship problems and many other things. Sometimes depression or post-traumatic stress disorder is so spoil the quality of human lif...