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The Largest Black Holes in the Universe

  • The Largest Black Holes in the Universe


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    Our Milky Way may harbor millions of black holes... the ultra dense remnants of dead stars. But now, in the universe far beyond our galaxy, there's evidence of something far more ominous. A breed of black holes that has reached incomprehensible size and destructive power. Just how large, and violent, and strange can they get?

    A new era in astronomy has revealed a universe long hidden to us. High-tech instruments sent into space have been tuned to sense high-energy forms of light -- x-rays and gamma rays -- that are invisible to our eyes and do not penetrate our atmosphere. On the ground, precision telescopes are equipped with technologies that allow them to cancel out the blurring effects of the atmosphere. They are peering into the far reaches of the universe, and into distant caldrons of light and energy. In some distant galaxies, astronomers are now finding evidence that space and time are being shattered by eruptions so vast they boggle the mind.

    We are just beginning to understand the impact these outbursts have had on the universe: On the shapes of galaxies, the spread of elements that make up stars and planets, and ultimately the very existence of Earth. The discovery of what causes these eruptions has led to a new understanding of cosmic history. Back in 1995, the Hubble space telescope was enlisted to begin filling in the details of that history. Astronomers selected tiny regions in the sky, between the stars. For days at a time, they focused Hubble's gaze on remote regions of the universe.

    These hubble Deep Field images offered incredibly clear views of the cosmos in its infancy. What drew astronomers' attention were the tiniest galaxies, covering only a few pixels on Hubble's detector. Most of them do not have the grand spiral or elliptical shapes of large galaxies we see close to us today.

    Instead, they are irregular, scrappy collections of stars. The Hubble Deep Field confirmed a long-standing idea that the universe must have evolved in a series of building blocks, with small galaxies gradually merging and assembling into larger ones.

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  • Is TON-618 the Largest Black Hole in the Universe? OOTW


    TON-618 has become a hot topic in the study of black holes in recent years as it sits as the most massive known in the universe. This hyper-luminous quasar shines with the brightness of over 140 trillion of our Sun, and its light and radio emissions have reached us from over 10 billion light years away. Today, we will be taking a look at this beast's profile and analysing the facts, theories and competition, as well as the doubts over the understanding of this abnormal quasar.


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  • Monster Black Hole With Mass of 40,000,000,000 Suns


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  • Visiting the Largest Black Hole in the Universe


    In this video we visit the Largest Known Black Hole in the Universe! Hope you enjoy the video.

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  • Black Hole Size Comparison 2019


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    In this video we take a look at the size of black holes in our Universe, from stellar mass black holes formed from a collapsing star to the Ultramassive ones that hold galaxies together. Enjoy!

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  • NASA Just Found Biggest Black Hole in Universe!


    700 million light years away there is a galaxy called Holmberg 15A. It is a supergiant elliptical galaxy with mass 70 trillion times of our sun. At the core of this galaxy NASA has discovered a supermassive black hole.

    According to NASA scientists it is one of the biggest black holes with mass 80 duodecillion kilograms. Thats 40 Billion times heavy than the sun and 10,000 times of Sagittarius A*.


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  • The Largest Black Holes in the Universe


    Watch the REVIVED and EXPANDED version of this video on:

    Meet the new record-holder for largest black hole in the universe.. so far.
    How big can they get? What's the largest so far detected? Where does an 18 billion solar mass black hole hide?

    We've never seen them directly...

    yet we know they are there...

    Lurking within dense star clusters...

    Or wandering the dust lanes of the galaxy....

    Where they prey on stars...

    Or swallow planets whole.

    Our Milky Way may harbor millions of these black holes...

    the ultra dense remnants of dead stars.

    But now, in the universe far beyond our galaxy, there's evidence of something even more ominous...

    A breed of black holes that have reached incomprehensible size and destructive power.

    It has taken a new era in astronomy to find them...

    High-tech instruments in space tuned to sense high-energy forms of light -- x-rays and gamma rays -- that are invisible to our eyes.

    New precision telescopes equipped with technologies that allow them to cancel out the blurring effects of the atmosphere...

    and see to the far reaches of the universe.

    Peering into distant galaxies, astronomers are now finding evidence that space and time can be shattered by eruptions so vast they boggle the mind.

    We are just beginning to understand the impact these outbursts have had on the universe around us.

    That understanding recently took a leap forward.

    A team operating at the Subaru Observatory atop Hawaii's Mauna Kea volcano looked out to one of the deepest reaches of the universe...

    And captured a beam of light that had taken nearly 13 billion years to reach us.

    It was a messenger from a time not long after the universe was born.

    They focused on an object known as a quasar... short for quasi-stellar radio source.

    It offered a stunning surprise...

    A tiny region in its center is so bright that astronomers believe it's light is coming from a single object at least a billion times the mass of our sun...

    Inside this brilliant beacon, space suddenly turns dark...

    as it's literally swallowed by a giant black hole.

    As strange as they may seem, even huge black holes like these are thought to be products of the familiar universe of stars and gravity.

    They get their start in rare types of large stars... at least ten times the mass of our sun.

    These giants burn hot and fast... and die young.

    The star is a cosmic pressure-cooker. In its core, the crush of gravity produces such intense heat that atoms are stripped and rearranged.

    Lighter elements like hydrogen and helium fuse together to form heavier ones like calcium, oxygen, silicon, and finally iron.

    When enough iron accumulates in the core of the star, it begins to collapse under its own weight.

    That can send a shock wave racing outward...

    Literally blowing the star apart:...

    a supernova.

    At the moment the star dies, if enough matter falls into its core, it collapses to a point, forming a black hole.

    Intense gravitational forces surround that point with a dark sphere... the event horizon... beyond which nothing, not even light, can escape.

    That's how an average-size black hole forms.

    What about a monster the size of the Subaru quasar?

    Recent discoveries about the rapid rise of these giant black holes have led theorists to rethink their view of cosmic history.

  • The Most Extreme Black Holes In The Universe


    Black holes are the densest, most powerful objects in the universe. Capable of ripping entire planets and stars to pieces. This animation reveals what the smallest black holes look like compared to the largest.

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    The Most Extreme Black Holes In The Universe

  • Biggest Black Holes and Cosmic Monsters - Space Documentary 2015


    Biggest Black Holes and Cosmic Monsters - Space Documentary 2015
    Astronomers have identified a mammoth black hole weighing as much as 12 billion suns.

    It's not the biggest black hole ever found, but it's astonishingly young. The giant appears to have swelled to its enormous size only 875 million years after the big bang, when the universe was just 6 percent of its current age. That's a surprise, astronomers report Wednesday in the journal Nature, because giant black holes are thought to grow relatively slowly by vacuuming up gas and even stars that venture too close.

    How do you build such a big black hole in such a short time? asks Xue-Bing Wu of China's Peking University, lead author of the study.

  • Top 5 biggest black holes ever discovered


    The top 5 biggest black holes ever discovered!

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  • Black Hole Comparison


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    I hope I was able to convey my fascination.


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  • 10 Biggest Black Holes In Universe| TSknowledge


    10 Biggest Black Holes In Universe| TSknowledge
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  • Black Hole Size Comparison 2017


    Stars in our Universe can get unimaginably giant, but one thing that beats them is Black Holes. In this video, we compare these magnificent objects' size with the Earth, Sun, and even the entire Solar System to give a perspective on how truly large Black Holes are.

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  • All Kinds Of Black Holes: from Smallest to Largest


    Several dozen years ago, even science fiction couldn't imagine the existence of black holes in the Universe, and now their presence is recognized by the scientific community. Black holes are so good at producing energy that some scientists want to power spaceships with them. Super-dense stellar black holes can squeeze several times the mass of the Sun into a city-sized area. Sometimes black holes ‘spit out’ planet-sized objects at 20 million miles per hour!

    Interested? How about learning some cool facts about black holes and, by the way, look at how small or large they can be? Well, scientists measure black holes by their Schwarzschild radius – the distance from where its gravity starts and the 'hole' itself. Our smallest black hole has a 7-mile radius. Number 2 is just 8 miles. Little black holes like this one can only be spotted when they 'eat’ the material of passing stars. Big black holes can produce enough material to create new stars, which form outside their parent galaxy. And guys, black holes can be really, really big...


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  • 158. The Largest Black Holes in the Universe


    The Largest Black Holes in the Universe
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  • Deep Space | The Largest Black Holes in the Universe


    A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of the region from which no escape is possible is called the event horizon. Although the event horizon has an enormous effect on the fate and circumstances of an object crossing it, no locally detectable features appear to be observed. In many ways a black hole acts like an ideal black body, as it reflects no light. Moreover, quantum field theory in curved spacetime predicts that event horizons emit Hawking radiation, with the same spectrum as a black body of a temperature inversely proportional to its mass. This temperature is on the order of billionths of a kelvin for black holes of stellar mass, making it essentially impossible to observe.

  • This Is How Big Black Holes Really Are...


    I'm sure you've heard that the Event Horizon Telescope project has taken a picture of the shadow of the black hole in the center of the Messier 87 galaxy. To accomplish this, 8 observatories on 4 different continents were connected and the collected data combined. Thanks to this elaborate process, which took 2 years, we now have the first real picture of a black hole. Everything we've seen before have only been models and simulations of scientists.

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  • The Strangest Black Holes In The Universe!


    You all must have come across the term Black Hole. But do you know what exactly a Black Hole is? Black holes are objects that are so dense that not even light can escape their gravity, and since nothing can travel faster than the light, nothing can escape from inside a black hole. To put it in simple words, Black hole is an object so dense that not even light can escape its surface. Have you ever wondered if light can’t escape a black hole, how can we see black holes?
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    Well, nobody has ever seen a black hole, not even astronomers. They don’t see the black hole instead, astronomers observe the presence of a black hole by its effect on its surroundings because a black hole by itself is very difficult to detect anywhere in our galaxy. Black holes are formed when the centre of a very massive star collapses in upon itself. This collapse also causes a supernova, or an exploding star, that blasts part of the star into space. Its size depends upon the size and mass of the galaxy it is in.
    Now let’s dive a little deeper and know more about some very interesting black holes observed till date.
    The most-hungry black hole in the universe is the black hole J2157. It has the fastest growth rate observed and one of the most-heftiest black holes ever discovered. According to the latest research, it clarifies how much “food” it needs to maintain its growth rate and the numeric data will give your head a spin! The black hole J2157 has 34 billion times the mass of the Sun, and engulfs every day almost the equivalent, in mass, of our mother star. J2157 has turned out to have an appetite to match its tremendous size. It is one of the largest black holes known to humans and was discovered back in May 2018. This black hole is not only the fastest-growing black hole in the universe but also the most luminous black hole ever recorded. As per the latest research, if this black hole was at the centre of the Milky Way, it would have appeared in Earth’s skies 10 times brighter than the full moon. This black hole would appear as an astonishingly bright pin-point star that would outshine all the other stars in the sky, and then life on Earth would be almost impossible because of the emission of X-rays from the black hole. Black holes grow by swallowing and absorbing the surrounding materials, but their mass places a limit on the amount of “food” they can absorb, because, in order for them to swallow gas and dust, their gravity must be able to contrast the external pressure produced by the light emitted by their meal. While light can’t escape from black holes, this black hole emits X-rays and ultraviolet light that are created because of its enormous appetite, because of which we know J2157 as the most luminous known quasar. Quasars are the giant black holes in galaxies that emit so much energy through their gaseous disks that they appear like stars through telescopes. J2157 is feeding itself like a gigantic i.e. 40% faster than the maximum limit rate a black should be able to do so.
    Another interesting black hole in our list is the biggest black hole in our universe in which appears to be that of M87. All large galaxies are thought to harbour supermassive black holes at their hearts that contain millions to billions of times the mass of our sun. Until now, the largest black hole known as a mammoth dwelling in the giant elliptical galaxy, Messier 87. This black hole has a mass 6.3 billion times that of the sun. But the new data suggests that one galaxy, known as NGC 3842, the brightest galaxy in the Leo cluster of galaxies which is nearly 320 million light years distant, has a central black hole 9.7 billion solar masses large.
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  • Largest Black Holes in the Universe


    On ne les a jamais directement vus, pourtant nous savons quils sont là, rôdant au milieu de denses amas détoiles, ou errant dans les nébuleuses de la galaxie, où ils chassent les étoiles, ou avalent des planètes entières. Les plus gros trous noirs de l'univers.

  • New Largest Black Holes Comparison • Bigger Than Our Solar System • 2020


    New Largest Black Holes Comparison • Bigger Than Our Solar System • (2K) 2020

    Radius 695,700 km (432,287 mi)
    Surface temperature ~5,500 °C (9,400 °F)
    Luminosity 3.82 × 10 ^ 26 Watts
    Mass 1.989 × 10 ^ 30 kg (4.38 × 10 ^ 30 lbs)

    M87* Pōwehi (Messier 87)
    Mass ~6.5 billion × Sun mass
    Schwarzschild radius ~17.9 billion km (11,12 billion mi)
    Distance from the sun ~53.5 million Light years

    SDSS J0100+2802
    Mass ~12.0 billion × Sun mass
    Luminosity ~430 trillion × Sun Luminosity
    Schwarzschild radius ~35.45 billion km (22,02 billion mi)
    Distance from the sun ~12.8 billion Light years

    Mass ~18.35 billion × Sun mass
    Luminosity over 1 trillion × Sun Luminosity
    Schwarzschild radius ~54.1 billion km (33,61 billion mi)
    Distance from the sun ~3.5 million Light years

    Mass ~30 billion × Sun mass
    Schwarzschild radius ~86.01 billion km (53,44 billion mi)
    Distance from the sun ~3.4 billion Light years

    TON 618 (The largest black hole in the universe)
    Mass ~66 billion × Sun mass
    Luminosity over 140 trillion × Sun Luminosity
    Schwarzschild radius ~194 billion km (120,54 billion mi)
    Distance from the sun ~10.4 billion Light years

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  • One of the LARGEST Black Holes in the Universe? - Space Engine


    Hello and welcome to What Da Math!
    In this video, we will talk about one of the largest black holes in the universe. The black hole known as SMBH 1 APM 08279 5255.

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  • When Black Holes Collide


    Black holes are fascinating in so many ways- especially when you put two of them together. Their resonance and orbit physically ripples space itself, emitting waves that can travel through space for billions of years. Since 2016, we have been able to detect these gravitational wave events, and earlier this month, we detected a record-breaking one.

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  • What Actually Happens When You Drop Something into a Real Black Hole?


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  • The Unbelievable Scale of Black Holes Visualized


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  • We Found the Largest Void in the Universe, And Were Smack in the Middle


    Researchers say our galaxy is located within an enormous cosmic void, and it's changing the way we understand the universe.

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    Are We Living in a Giant Cosmic Void?

    A team of researchers says the Milky Way resides in one of the observable universe's darkest regions, but some experts aren't so sure.

    As Much as Half of the Milky Way Likely Came From Distant Galaxies

    Astronomers looking at how intergalactic gas and dust moves across great distances found that up to half of the matter surrounding us comes from galaxies far, far away.

    Researchers Spot a 'Renegade' Supermassive Black Hole

    When a pair of black holes collide, they typically merge, but sometimes one of them may be kicked in the opposite direction at great speed.


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  • Black Holes Size Comparison: Calculating Schwarzschild Radius


    Hello everyone! Today we will know about one of the mysterious universe object known as Black Hole.

    A Black Hole is a region in space-time where no matter or radiation can escape due to its intense gravity. Even light can’t escape from its gravity hence the name “BLACK” hole.

    Devouring nearby stars, radiations, emitting strong gamma-ray bursts and X-ray radiation in space are some of the common characteristics of Black Hole.

    We can make Earth black hole by crushing its size to the size of a marble. Similarly, squeezing sun to the diameter of 3 km will convert it into a black hole. In the 18th century, John Michell used the term “Dark Star” for stars whose gravitational fields are too strong for light to escape.


    0:00 What is a Black hole and How it formed
    3:31 Black Hole Size Comparison
    10:45 Black Holes vs Stars

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  • What Happens When a White Hole and a Black Hole Collide?


    In this video I show you the difference between a I white hole and a black hole, then I actually show you what a white hole and a black hole look like in real life. Then I actually show you what happens when I black hole and a white hole collide together!

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  • What If Two Black Holes Collided?


    Black holes are the gravitational monsters of the Universe. They are so powerful that nothing, even light, can escape their grasp. One black hole is bad enough. But if you took two black holes and smashed them into each other, they'd be capable of changing the shape of space itself. How epic would that explosion be? And could it somehow reach the Earth?

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    What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure — grounded in scientific theory — through time, space and chance, as we ask what if some of the most fundamental aspects of our existence were different.

  • Supermassive Black Holes | How the Universe Works


    New discoveries reveal that black holes come in all sizes, from the very microscopic to the ultra-massive.

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  • Machine Creates a Super Massive Black Hole | Strip the Cosmos


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  • What Do We Know About Black Holes? | Secrets Of The Universe | Spark


    Epic black holes, nuclear furnaces at the core of giant stars and volcanic pressure cookers inside planets - all across the immense reaches of time and space, the universe is being transformed by seething caldrons of energy.

    This episode looks into the dark side of the universe, the mysterious and monstrous black holes.

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    #space #blackholes #alberteinstein #spacetravel #gravity #darksideoftheuniverse #science #telescope #technology #spacetechnology

  • What If All The Black Holes In The Universe Collided?


    What If All The Black Holes In The Universe Collided?
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    Black Holes… These monstrous and seemingly voids of black space suck in everything that gets too close to them; space dust, asteroids, planets, and even entire stars. The nearest one is 1,600 light-years from us. And in the region of the Universe visible from the Earth, there are perhaps 100 billion galaxies. Each one has around 100 million stellar-mass black holes in the center, ready to devour anything that gets close enough to its event horizon. But what would happen if all the black holes in the universe collided? Keep watching to find out.

    There are so many black holes in the universe that it is impossible to count them, and there are even more we have not discovered.
    If all of the known black holes were to collide together, it would be the end of the universe as we know it. Some of these stellar giants would be so massive that they would easily swallow smaller ones, and become even larger. And if these black holes were like ours and the ones inside the Andromeda galaxy, then you could imagine the incredible cosmic cataclysm if they all collided at once, perhaps creating a black hole so massive that it would suck in the entire universe. Entire stars would be stripped and sucked inside, planets ripped apart, collisions of planets and stars, those star collisions possibly creating more black holes. It would be a chain of cosmic destruction.

  • What’s On The Other Side Of A Black Hole?


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    Normal maps are useless inside black holes. At the event horizon - the ultimate point of no return as you approach a black hole - time and space themselves change their character. We need new coordinate systems to trace paths into the black hole interior. But the maps we draw using those coordinates reveal something unexpected - they don’t simply end inside the black hole, but continue beyond. In these maps, black holes become wormholes, and new universes lie on the other side.

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  • Why Black Holes Are the Brightest Things in the Universe | Kevin Schawinski | TEDxKlagenfurt


    Black holes, the brightest objects in our universe are connected with many mysteries. Kevin Schawinski, the Swiss astrophysicist and professor at ETH Zurich explores their powerful force and role in the evolution of the life like our own itself.

    Kevin Schawinski, the proud alumnus of Cornell University, University of Oxford, and Yale University, is an astrophysicist from Switzerland who specializes in understanding and quantifying the role of growing black holes in the formation and evolution of galaxies. He currently works at the ETH Zürich.

    This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at

  • Black Holes - Wonders of the Universe: Falling - BBC Two


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    Using Zambia's spectacular Victoria Falls, Prof Brian Cox demonstrates what happens as you near a black hole.

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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.

    Following is a transcript of the video:

    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

  • The Largest Black Holes in the Universe


  • The Largest Electrical Current in the Universe


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  • 10 biggest black holes ever discovered


    10 biggest black holes ever discovered, some span the size of the solar system, others are so powerful they could destroy the Earth from light years away. What is the biggest black hole? Watch to find out!

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  • The Largest Black Holes in the Universe


    We know black holes exist, and now scientists are trying to confirm that other holes lurk in hyperspace. Our infinite cosmos could contain a variety of holes such.

    Our Milky Way may harbor millions of black holes. the ultra dense remnants of dead stars. But now, in the universe far beyond our galaxy, there's evidence of something far more ominous. A.

    When a super-massive star dies, it's corpse collapses into a knot so tight not even light can escape. And this drain on the fabric of the Universe can alter the very shape of space and shift.

  • The largest black holes in the universe The documentary national geography 2017


  • How large can Black Holes get?


    Black Holes are one of the most massive objects in the Universe. Although the entire mass of Black Holes is confined to a single point or singularity, the event horizon of the Black Holes can extend upto several million kilometres making them one of the biggest space objects.

    Event Horizon is a notional boundary around a black hole beyond which no light or other radiation can escape.

    Watch the video to see how BIG can Black Holes actually get.


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  • Massive black holes born in the early Universe visualised


    This two-part visualization by the Advanced Visualization Lab at the National Center for Supercomputing Applications starts shortly after the Big Bang, and shows the evolution of the first galaxies in the universe over the first 400 million years, in increments of about 4 million years. The second part of the visualization stops time at the 400 million year mark, and flies the viewer through the data, breaking down the different variables that are being visualized - filaments of dense gas, pockets of elevated temperature, ionized gas, and ultraviolet light (Advanced Visualization Lab at the National Center for Supercomputing Applications)

  • How massive can black holes grow?


    How heavy is the heaviest black hole? Can it get any heavier? To understand that we have to understand how black holes grow and how they're limited by the physics of accretion of material. So it got me wondering how long it would take to grow a black hole that contains all the matter in the entire Universe... Of course, it turns out that's not entirely physically possible...

    Here are the links to all the papers cited in the video:

    Shemmer et al. (2004) -
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    King (2015) -

    The mass of the entire Universe estimate:

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    Dr Becky Smethurst is an astrophysicist researching galaxies and supermassive black holes at Christ Church at the University of Oxford.


  • Deep Space | The Largest Black Holes In The Universe


    Black Holes in the Universe Documentary.

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  • Largest Black Holes in the Universe


    A supermassive black hole (SMBH) is the largest type of black hole, on the order of hundreds of thousands to billions of solar masses (M☉), and is found in the center of almost all massive galaxies. Unambiguous dynamical evidence for SMBHs exists only in a handful of galaxies; these include the Milky Way, the Local Group galaxies M31 and M32, and a few galaxies beyond the Local Group, e.g. NGC 4395. In these galaxies, the mean square (or root mean square) velocities of the stars or gas rises as ~1/r near the center, indicating a central point mass. In all other galaxies observed to date, the rms velocities are flat, or even falling, toward the center, making it impossible to state with certainty that a supermassive black hole is present.Nevertheless, it is commonly accepted that the center of nearly every galaxy contains a supermassive black hole. The reason for this assumption is the M-sigma relation, a tight (low scatter) relation between the mass of the hole in the ~10 galaxies with secure detections, and the velocity dispersion of the stars in the bulges of those galaxies. This correlation, although based on just a handful of galaxies, suggests to many astronomers a strong connection between the formation of the black hole and the galaxy itself.

    Although SMBHs are currently theorized to exist in almost all massive galaxies, more massive black holes are rare; with only less than a few dozen have been discovered to date. There is extreme difficulty in determining a mass of a particular SMBH, and so they still remain in the field of open research. SMBHs with accurate masses are limited only to galaxies within the Laniakea Supercluster and to active galactic nuclei.

    Another problem for this list is the method used in determining the mass. Such methods, such as broad emission-line reverberation mapping (BLRM), Doppler measurements, velocity dispersion, and the M-sigma relation have not yet been well established. Most of the time, the masses derived from the given methods contradict each other's values.

    This list contains all black holes with known masses. Some objects in this list have two citations, like 3C 273; one from Bradley M. Peterson et al. using the BLRM method, and the other from Charles Nelson using [OIII]λ5007 value and velocity dispersion. Note that this list is very far from complete, as SDSS alone detected 200000 quasars, which may be likely the homes of billion-solar-mass black holes. In addition, there are several hundred citations for black hole measurements not yet included on this list. Despite this, the majority of well-known black holes above 1 billion M☉ are shown. Messier galaxies with precisely known black holes are all included

  • How the young universe spawned huge black holes


    The earliest supermassive black holes may have been big to start with. If so, it would help explain the recent detection of such beasts within a billion years of the big bang. Read more:

  • We Just Detected the Largest Known Collision of Black Holes


    Scientists have detected rippled in space and time known as gravitational waves that came from the biggest known collision of black holes.

  • Deep Space | The Largest Black Holes In The Universe


  • A monster black hole has been discovered, and its growing very fast


    Scientists at the Australian National University have discovered the fastest-growing black hole known in the universe.
    It devours a mass the size of our sun every two days.
    Dr Christian Wolf is a researcher at the ANU School of Astronomy.
    He says the black hole is still growing, and it's growing very fast.

    Read more here:

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