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Are We Actually Existing Inside A Black Hole? | How The Universe Works


Are We Actually Existing Inside A Black Hole? | How The Universe Works

Black holes defy all laws of physics, so how can we prove they actually exist? Did a black hole cause the big bang? And could we actually be living inside a black hole right now?

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Are We Living Inside a Black Hole?

Are we inside a black hole that exists in a universe, that has other black holes containing other universes? DCODE the nature of black holes to understand how they may have created the universe as we know it.

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What If We Are Inside A Black Hole?

What if the universe and everything we see around us is actually inside a black hole?

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The Milky Way's Supermassive Black Hole | How the Universe Works

The center of the Milky Way is home to some of the most powerful forces in the universe. Forces that have shaped our galaxy and the planet we call home.

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Supermassive Black Hole | How The Universe Works

Ever wanted to learn more about supermassive black holes, find out every last details about these huge celestial bodies here.
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Is the Universe a giant Black Hole?

A black hole is matter and/or light crammed into such a tiny volume that nothing can escape. But, shortly after the big bang, the observable universe was that small. How did it escape?! Brilliant for 20% off:

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Are We Alone? | How the Universe Works

There are billions of stars in our galaxy, with billions of planets circling them. But, as far as we know, only one planet has life: Earth. But are we really alone?

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What Is Inside a Black Hole?

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Creating the first image of a black hole was an important milestone. But in many ways, the true value of the project lies in how it created an opportunity for researchers to change the way they explore the world.

Black holes represent a moment where our universe ends and folds back upon itself, where relativity and quantum physics collide. Back here on earth, black holes do something similar - they bring people together from different disciplines to create collisions of thought.

Because black holes are the absolute boundary between what we know and what we don’t, this is a problem that cannot be solved by astronomers, physicists, or mathematicians alone. It also requires philosophers and people who can challenge researchers to think differently.

Cross-disciplinary dialogue isn’t always easy, but the Black Hole Initiative has led to a number of discussions that provide space for the unlimited possibility of collaboration.

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What Would Happen If You Traveled Through A Black Hole

Science fiction films have long depicted black holes as portals through space and time or gateways to other dimensions. And now, physicists have found that black holes might be suitable for hyperspace travel after all.

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Black holes skirt the line between science fiction and science fact. On the one hand, scientists have seen real black holes in action, consuming unsuspecting stars that pass too close. But where reality ends and fiction takes over is at the edge of a black hole – a place called the event horizon, where no spacecraft has ever gone.

So, whatever happens beyond that boundary, inside of a black hole, is anyone’s guess. Scientists agree that if you travel far enough into a black hole, gravity will eventually become so strong that it kills anything in its path. But sci-fi films are more optimistic, depicting black holes as portals through space and time or gateways to other dimensions. And it turns out, some scientists now think the sci-fi buffs may be onto something. Black holes might be suitable for hyperspace travel, after all; it just takes the right kind of black hole.

At the center of every black hole is a point of infinite density, called a singularity. It’s what gives black holes their strong gravitational pull. And for decades, scientists thought singularities were all the same, so anything that passed the event horizon would be destroyed the same way: by being stretched and pulled like an infinitely long piece of spaghetti.

But that all changed in the early 1990s when different research teams in Canada and the US discovered a second singularity called a “mass inflation singularity.” It still has a strong gravitational pull, but it would only stretch you by a finite amount, and potentially NOT kill you in the process, meaning, you might survive the trip through a black hole. More specifically, through a large, rotating black hole, which is where these types of singularities exist.

Now, astronomers obviously can’t travel through a black hole yet to test this theory. In fact, the best place to test this is at the supermassive black hole in the center of our home galaxy, the Milky Way, which is 27,000 light years away. Not conveniently close to the least.

Therefore, scientists instead run computer simulations to see what would happen if we did manage to reach an isolated, rotating black hole, and now, for the first time, a team of scientists at UMass Dartmouth and Georgia Gwinnett College has done exactly that.

Lior Burko: “You would feel a slight increase in temperature, but it would not be a dramatic increase. It’s just that you don’t have enough time to respond to the very strong forces. It would just go through you too quickly.”

He added that passing through a weak singularity is like quickly running your finger through a candle flame that’s 1,000 degrees Celsius. If you hold your finger in the flame long enough, you’ll get burned, but pass your finger through quickly, and you’ll barely feel a thing. Similarly, if you pass through a weak singularity with the right speed and momentum, and at the right time, you may not feel much at all.

As for what happens once you get through to the other side, no one really knows, but Burko has his own ideas. He says one possibility is that we’d arrive at some other remote part of our galaxy, potentially light years away from any planets or stars, but a second, and perhaps more intriguing, a possibility is that we’d arrive in a different galaxy altogether. That's if you even make it that far.

Scientists say more research is needed before we’re anywhere close to successfully traveling through a black hole. But when we are ready, one of the safest passageways might be the supermassive black hole at the center of our galaxy called Sagittarius A*, and it might just be our ticket out of the Milky Way.


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What Would Happen If You Traveled Through A Black Hole

Black Hole to Big Bang - Nested Universes.

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Is the universe a hologram? The strange physics of black holes | Michelle Thaller | Big Think

Is the universe a hologram? The strange physics of black holes
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Since energy cannot be destroyed, only transformed, some argue that information — arguably a form of energy — cannot be destroyed either. So then, what happens to information when it is absorbed into a black hole? Scientists don't know for certain, but some posit that it may be possible for it to leak away from the black hole over time. Black holes may hold information in a two-dimensional manner similar to a hologram, which take on three dimensions when light is shone through them. Some theorize that the underlying nature of reality can be glimpsed through black holes — that all the information about the entire universe is somehow held on a two-dimensional space of something.

To better understand how black holes work, as well as the elements surrounding them, we may need a level of physics to be developed.

Dr. Michelle Thaller is an astronomer who studies binary stars and the life cycles of stars. She is Assistant Director of Science Communication at NASA. She went to college at Harvard University, completed a post-doctoral research fellowship at the California Institute of Technology (Caltech) in Pasadena, Calif. then started working for the Jet Propulsion Laboratory's (JPL) Spitzer Space Telescope. After a hugely successful mission, she moved on to NASA's Goddard Space Flight Center (GSFC), in the Washington D.C. area. In her off-hours often puts on about 30lbs of Elizabethan garb and performs intricate Renaissance dances. For more information, visit

MICHELLE THALLER: Black holes really are kind of getting to the very heart of our physics. And I believe that they're kind of showing us the way that eventually we're going to need different physics and new physics. People ask questions like, What happens inside a black hole? Or even, What happens at the very boundary of a black hole, the event horizon, when light is absorbed? And honestly, our physics is telling us a lot of contradictory things. And our image of what an event horizon really is may be changing. People like Stephen Hawking and Leonard Susskind have recently come up with this idea that a black hole should not be able to destroy information. O.K., what do we mean by information? Information can be almost anything.

All of the different atoms in my body have angular momentum, they have charge, they have mass. There's all sorts of little bits of information that make me me. At the quantum mechanic level, the tiniest of levels, there are different amounts of energy, there are different probabilities that are contained in the structure of my matter. And information, in some ways is a form of energy. It's actually a way that you can describe something which is somehow, in a strange way, a higher energy state than not being able to describe something. And so one of the questions is, If energy really can't be destroyed energy itself is something that is intrinsic in the universe, you can't really created or destroy it is it possible that information is the same way? Is there really no way to actually destroy the information about what all of my subatomic particles are doing right now?

So black holes kind of stare you right in the face. What a black hole supposedly does is it absorbs everything. Space and time bend into a black hole so that nothing can escape. That means that any information about the material that fell in is gone. The only thing we know about it is that as a black hole absorbs material, it gets more massive. It actually adds that mass to the mass of the black hole. And as that mass increases, the event horizon becomes larger. Basically, the area where space is so curved that you can't get out begins to extend the more massive a black hole is. The most massive black holes we know of in the universe are many billions of times the mass of our sun. And the physical extent of this event horizon is about the size of our solar system, maybe like out to the planet Pluto.

So is it possible, then, if everything goes into a black hole and nothing ever comes out, space and time go inside the black hole and don't come out? What happened to that information? And this has begun to make a lot of people wonder if we really have thought of black holes the wrong way. Maybe there isn't an event horizon in the true sense. I actually had a friend of mine that studies black holes say, Well, I'm not sure if they're black. They m...

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2of4 -How The Universe Works - Black Holes

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Black Holes,the most powerful destroyers in the Universe, the most mysterious phenomena in the heavens. For years they were only speculation, now modern .

A Monster Black Hole In The Universe Just Discovered

Scientists Found A Monster Black Hole In The Universe!
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Astronomers are always looking at the universe and discovering new planets, stars, and other amazing things that blow our minds. Now scientists have recently found an incredibly bright and mysterious light that is nearly as old as the universe itself! But what is it that they found? And why is the light from this massive object so bright?

In 2019, astronomers discovered a 13-billion-year-old light coming from a distant quasar. Quasars are massive and extremely remote celestial objects that emit incredibly large amounts of energy, and typically look like a star when viewed through a telescope. But it is what lies at the heart of the quasar’s light that is the most impressive. It is said that quasars contain massive black holes and may represent a stage in the evolution of galaxies.

#blackhole# hole #universe #black_hole

Holographic Universe: Is the Universe a Hologram? a giant Black Hole?

Holographic Universe? Are we living on a hologram? Or inside a black hole? Our perception is that we live in a three dimensional world. What if our three dimensions, can be equally represented on a two dimensional surface? Does this mean we live in a hologram? Or could we be inside a black hole?

To understand the idea of the holographic universe, we have to start with two things, a black hole, and Stephen Hawking. A black hole is an object with so much gravity that even light cannot escape it. Near a black hole, there is something called the event horizon, that is the point beyond which light is stuck, it cannot escape the gravity. Space itself is falling inside the blackhole at the speed of light. The event horizon of a black hole forms a sphere around the black hole. We don’t really know much what happens inside the black hole. Things falling in seen to leave our universe and end up elsewhere.

Stephen Hawking, in 1981, proposed that this event horizon may be breaking one of the fundamental rules of physics - conservation of information. He showed that things that fall into the black hole seemingly disappear from this universe forever, that information is destroyed. This is the information paradox.

How is information destroyed? You can burn a book. Doesn’t that destroy information? Not exactly, the information is still available in the universe. If we had the right quantum tools to recapture all the energy and matter from the burning process, we could theoretically put all the information back together again. Nothing is lost in terms of quantum mechanics.

Stephen Hawking was saying something different. This was so earth shattering to quantum physicists. Two physicists that were shocked by Hawkings paper were Gerard t’ Hooft and Leonard Suskind. They proposed a solution to the information paradox, and in 1997, Argentinian physicist Juan Maldecena, put it in very precise mathematical terms.

What they showed is that even though information is lost inside the black hole, a perfect copy of it remains on the surface of the event horizon. This perfect copy is something like a hologram. This is the holographic principle – this is a property of quantum theory which resolves the black hole information paradox.

How do scientists come up with crazy concepts like this? Usually, breakthrough theories are derived from prior work done by other scientists. In this case, the scientist was Israeli physicist Jacob Bekenstein. In 1972, Bekenstein derived an equation that showed the maximum amount of entropy that any volume of space can have.

Information theory shows that this equation also represents the total amount of quantum information that can be held in any volume of space. Notice that the equation does not include volume, only the surface area. Total entropy or information in any given volume is related to surface area of the volume, not the volume itself. That’s surprising.

This equation acted as inspiration for scientists like ‘t Hooft, Suskind and Maldecena, to find further truths about the universe.

For a black hole, the holographic principle states that the description of all the objects which will ever fall in is entirely contained in surface fluctuations of the event horizon. This is where the concept of a hologram comes from because that’s what a hologram is, a 2 dimensional representation of a 3 dimensional object.

How is this related out our universe being a hologram, because we don’t seemingly live inside a black hole? These scientists extrapolated this holographic principle mathematically to show that our entire three dimensional universe can also be perfectly represented on the 2D surface of the universe. We are mathematically a projection of the information smeared on the two dimensional horizon of the universe. This horizon surrounds the entire universe and is located infinitely far away, so we could never reach it.

Does this mean we are living inside a black hole? No, that’s not what they are saying. They are just saying that any 3 dimensional space can be represented by a 2 dimensional surface. And just like anything on the inside of a black hole is a projection of this 2 dimensional surface on the event horizon, we too are a projection of this 2 dimensional surface of the universe.

So, are we really on the inside of the sphere or are we on the surface of the sphere? What you should understand is that the idea of a 2D surface is a mathematical construct. And even though it is rock solid mathematically, it doesn’t necessarily make it the fundamental nature of reality.


Are We Living in a Black Hole?

Our universe may reside within a vast, black hole.
What’s our position in the universe? Some astronomers believe that the relative emptiness in our location in space may be why we haven’t found other intelligent life yet. It may even go beyond that. One theory states that our universe is actually trapped inside a giant black hole, which itself is part of a much larger cosmos.
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Could We Live Inside A Blackhole?

Could We Live Inside A Blackhole?
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Most of us have a short term view of the world we live in and are thinking about trivial things like hoping for an end to a long cold winter, the next school year, or maybe even retirement. But these things are just a blink of an eye in cosmic terms. So let’s think really big, and look forward millions and trillions of years from now into the future. Every species that has ever lived on Earth is now extinct, and like all life on the planet Earth, our time will eventually come either from natural and manmade disasters, an asteroid strike, a worldwide pandemic, or global warming. Even a nearby supernova explosion could send the whole planet into a mass extinction event. But what if we stop going backward and instead advance to a point that we could harness the energy of a black hole and even live inside one? Keep watching to find out…

#blackhole #civilization #science

Are We Living Inside a Black Hole?

Our universe may be inside a black hole existing in a ‘parent universe,’ says physicist Nikodem Poplawski.

Do we live inside a black hole - Ask a Spaceman!

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Are we living in a Black hole? Abubakar Farooqui asks Dr. Brian Greene

In this video, Dr. Brian Greene is sharing his view on the thought that perhaps the entire universe is inside a black hole.

Could We Live On A Planet Orbiting A Black Hole?

Could life exist near a black hole? Some scientists seem to think this might just be possible, but is it really? Join me as we explore the notion of a planet orbiting a black hole.
8. Defining A Black Hole
I'm sure the mere idea of being around a black hole and surviving there is ludicrous to some of you, and...that's not a bad reaction to the topic if we're being honest here. So before we dive into how this MIGHT work, let's talk about black holes and why they're not something ANYONE would want to orbit if it can be helped.
If you're looking for a definitive explanation or phrasing of what is a black hole, this is how NASA describes them:
A black hole is a place in space where gravity pulls so much that even light cannot get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying.
This singularity as it is often called is a bit of a mystery in space, and for a very good reason. You see, black holes can form in large sizes, small sizes, and sometimes they don't even need a fully fledged star to form at all! Which is scary in the sense that it means black holes can form in various ways.
Plus, since no light can actually escape them, it means that they can't technically be seen by anyone. That being said, it's easy to see their work, as the intense gravity of the Black Holes is enough to stretch objects from their starting point and slowly pull them to the Black Hole. This is known as spaghettification, because like a stretched piece of spaghetti, the object will get thinner and thinner until nothings exists but particles. And if you think that a Black Hole is limited in what it can absorb, you would be wrong. Very wrong in fact. If it is close enough, it'll break down a star, a planet, multiple stars and planets at once, etc. It's a question of range more than anything.
But there's a catch to that, as you won't be able to observe the spaghettification yourself. Why? Remember, no light escapes the void that is the Black Hole, so because of that, you'll see the last known position of the object that light allows you to see. It'll seem like they're stuck in place and slowly going away until they're gone. When in fact, they or it will be slowly pulled apart.
So just based on that alone you can see why Black Holes aren't just an entity in space, they're something to be feared by every living thing, and NASA is trying to map them all out in the universe as best they can so that we don't get caught up in them at any point in time.
And yet, there are some who are wondering if a planet that has humanity, or alien life, can survive orbiting a black hole...what brainiac came up with that idea?
7. The Interstellar Question
Well, not surprisingly, it was a movie that sparked this debate into motion, and also not surprisingly, this movie came from the mind of one of the most clever and unique filmmakers in the business today in Christopher Nolan. I of course speak of the film Interstellar.
In the movie, NASA is desperate to try and find another planet that could house life outside of our solar system. But in a twist, instead of sending people to planets that are basic or might just have enough to support life, they find a trio of planets that are surrounding guessed hole. But not just any black hole, they are orbiting a Supermassive Black Hole. Which are ones that can be the size of galaxies, or even MANY galaxies depending on the one we're talking about.
But wait a minute, you say, if it's just a movie, why are we taking it seriously? Ok, remember Christopher Nolan? He doesn't just like to do movies, he likes to do movies that make you think, and with Interstellar, while it was very sci-fi in some of its concepts, it did base everything in current modern science. So much so that they had a book called The Science of Interstellar written by famed theoretical physicist Kip Thorne. Detailing all the things in the movie and whether they were possible or real. And more of it was real than you might expect.
Because of this, and how everything was portrayed in the movie, many people really did start to wonder if a planet orbiting a black hole could in fact survive, and life thrive there.
6. The Distance Question
Obviously though, for this example, we need to define something REALLY important, and that would be the distance between us and the black hole. And by Us I mean the planet that we're saying could house life.
Because as I outlined in the earlier segment, Black Holes are notorious for the amount of gravity that they have. So much so that ANYTHING that gets caught in it will be slowly ripped apart and turned into atoms...very...very...slowly.
So in truth, IF this was to work, we'd need to be sure we're on the literal outer limits of a black hole, regardless of its size. Is that possible? Technically...yes.



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