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Discover Birth of a Black Hole - Looking For The Strongest Objects In The Universe

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Black holes: Most Powerful Objects in the Universe Discovery Channel HD

Discovery Channel HD
The Doppler shifts of stars near the cores of galaxies indicate that they are rotating around tremendous masses with very steep gravity gradients, suggesting black holes. Although quasars appear faint when viewed from Earth, they are visible from extreme distances, being the most luminous objects in the known universe.
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Supermassive Black Holes: Most Powerful Objects in the Universe - Discovery Space Documentary

The most massive black hole ever observed has been discovered in a galaxy some 700 million light-years from Earth. ...
The galaxy in question, called Holm 15A, is the brightest member of a cluster of galaxies called Abell 85 that sit in the constellation Cetus, visible from both the Northern and Southern Hemispheres.
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In Search of Sagittarius A* - SUPERMASSIVE Black Hole [Space Engine]

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What’s At The Center Of A Black Hole? Space Discovery

When you fall inside the event horizon of a black hole, there’s no escaping, no matter what you do or how you accelerate. Even if you travel at the Universe’s speed limit, the speed of light, there’s simply no way to get any closer to the exit. Instead, scientists say, you have no choice but to fall inevitably towards the singularity at the center. But why must you arrive at a singularity? Couldn’t you wind up at some degenerate object instead?
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The Mysterious and Powerful Force of Gravity

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around it. |

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How Astronomers Took The First Ever Image Of A Black Hole

The Event Horizon Telescope has become the first ever to take an image of a supermassive black hole. The black hole is located 55 million light-years away in the Messier 87 galaxy.

Following is a transcript of the video:

What you are seeing is the first ever image of a black hole. Maybe it doesn’t look spectacular at first. But consider this: Black holes by their very nature are invisible.

Because their gravitational pull is so strong that not even light can escape them. So for many years, astronomers thought that an image like this was impossible. How do you take a picture of something that does not emit light?

Well, it starts with a small team of innovators. And ends with a telescope that’s unlike anything the world has ever seen. Now, despite major advances in telescope technology there is no single telescope on Earth that can take a picture of a black hole.

They’re all too small. So, astronomers innovated.  If one telescope couldn’t do the job, then perhaps 8 would — and they were right. They used 8 radio telescopes stationed at different points across the world.  And kept them all in synch with powerful atomic clocks. They call the effort the Event Horizon Telescope.

This series of telescopes, combined, has about the same capabilities as a telescope as large as our entire planet. And for the first time in history, it has shown us what a black hole around 55 million light years away looks like. This black hole is actually a supermassive black hole.

It’s about 6.5 billion times as massive as our Sun — that’s enormous even compared to other supermassive black holes and lives in the center of the Messier 87 galaxy. And as far as experts can tell, it looks EXACTLY like what Einstein’s general theory of relativity predicted. Here’s a simulation of what the Event Horizon Team thought the black hole would look like.  And here’s the real image.

The light you see here is what’s called the accretion disk. It’s a disk of light that forms around the black hole when a star travels too close and is broken apart in the process. But the most important part of this photo is where there is no light. That dark circle in the center, which measures 25 billion miles across.

That right there, is proof that black holes look and behave how astronomers thought. More specifically, that they actually have an edge. It’s a place of no return, which astronomers call the event horizon. Once you cross the event horizon, the black hole’s gravity is so strong that you cannot escape it. Not you, nor the fastest spacecraft, not even the fastest thing in the universe: light.

That’s why the edge and everything beyond it are black. Trapped inside the black hole’s gravitational grip. And this image may be just the beginning.

The Event Horizons Telescope team has also turned its sights on another black hole. One that is closer to home, called Sagittarius A*. It’s the supermassive black hole at the center of our own galaxy, the Milky Way. But it’s significantly smaller than the one in Messier 87.

So it will be more difficult to image. And since it took astronomers two years to combine and analyze data for this first image it may be a while before we see what other black holes look like.

MORE SPACE SCIENCE CONTENT:
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How Astronomers Took The First Ever Image Of A Black Hole

The Brightest and Most Powerful Black Hole in the Universe

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Hello and welcome! My name is Anton and in this video, we will talk about the brightest and the hungriest Black Hole discovered so far in the Universe.

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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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Black Hole - the most powerful object in the Universe

Black holes are the most massive and powerful objects yet discovered in the Universe.
Don't let your friends 'blind you with science' ... get the facts from this 3 minute NASA produced video. Key ideas well put forward.

How We Discovered the Milky Way's Black Hole

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The search began with a physicist checking for sources of static on phone calls in the 1930s, but it took several decades to finally make one of the biggest discoveries in astronomy, Sagittarius A*.

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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.

ABOUT US
Here at SpaceRip, we value the exploration of the unknown. We surpass boundaries for the sake of uncovering the mysteries of the cosmos and what they may tell us about our origin and our future. With our videos, we hope to educate our viewers on how we fit into the universe, and more so how we can do our part to better it.

We have partnered with MagellanTV with the goal of providing our viewers with insight regarding our uncertain future on Earth and beyond. Equipped with knowledge, we hope to inspire people to enact change and pave the way for a better tomorrow.

What Would a Journey to the Black Hole Be Like?

Today, I'm setting off on a journey toward the nearest black hole. But don't worry - I'll keep you in the know by live-streaming my entire adventure! I'll have someone to talk to during the flight, and he can help me if things get really tough! My travel buddy's name is Liam. Liam is a robot with artificial intelligence.

Space distances are seriously long. That's why traveling there would take way more time than you'd like to spend on the road! For example, Voyager 1, a space probe launched in 1977, was traveling out of the Solar System at a speed of 40,000 miles per hour. If my spacecraft moved at the same speed, it would take me a whole 77,000 years to get to the nearest star! But luckily, my spaceship is much faster than that. So let the journey begin!

Other videos you might like:
The Solar System Is Not Like You Think It Is
The Alien Signals Mystery Might Have Been Solved
A Mysterious Object Punched a Hole in the Milky Way, Scientists Are Confused

TIMESTAMPS:
The most expensive single object in the world 1:28
Low and high satellites 2:29
240,000 miles away from Earth ???? 3:22
What an astronomic unit is 4:33
Outside of the Solar System ☀️ 6:28
The point of no return 7:18
Goodbye, Liam! ???? 8:03

#space #blackhole #brightside

SUMMARY:
- The International Space Station is the most expensive single object in the world. This money would buy you 250 Boeing 747s or two Louvre's with all the paintings and artwork inside!
- Among satellites, there are low and high flyers. And while the lowest flying ones move approximately 1,250 miles away from Earth, the highest reach 22,000 miles into space.
- Space distances are so vast, you can't even calculate them in miles. That's why scientists use the term astronomic unit, which equals 93 million miles – the distance from the sun to Earth. That means I'm 9.3 billion miles away from our planet!
- There's another trial ahead - the Oort Cloud. That means two things: first - we're on the outskirts of the Solar System; and second - we'll have to get through a cloud of icy objects orbiting the Sun at a distance of a 100,000 astronomic units!
- We're heading out of the Solar System just one-tenth of a light-year later. By the way, if you were trying to reach this point by car, the trip would take you more than 19 million years.
- In the center of pretty much every galaxy, there’s a supermassive black hole. For example, one is sitting right at the heart of our Milky Way galaxy, about 27,000 light-years away from Earth.
- A black hole is an eerie place where those laws of physics we studied at school stop working. If a massive star runs out of its star fuel, it becomes super-dense and buckles under its own weight, collapsing inward and bringing space-time along.
- I won't go further than the horizon, aka the point of no return. Once an object crosses this invisible line, it can't turn back, even if it's changed its mind.
- Liam says he's ready to start his journey. There he goes, bravely plunging toward the black hole while I'm recording everything that's happening to him.
- Liam just froze, as if a gigantic finger has pressed a pause button, and now, some force is stretching him thinner and thinner!
- It's the infamous spaghettification, which happens in a super-strong non-homogenous gravitational field!
- Liam is in a state of free-fall now, and feels no more stretching, scalding radiation, or gravity. Unfortunately, the connection is lost, and he can't tell me anything about the inside of the black hole.

Music by Epidemic Sound

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Discover The Most Powerful Object in the Universe - Exploring and Understanding our Universe

Long ago, about 400,000 years after the beginning of the universe (the Big Bang), the universe was dark. There were no stars or galaxies, and the universe was filled primarily with neutral hydrogen gas.

Then, for the next 50-100 million years, gravity slowly pulled the densest regions of gas together until ultimately the gas collapsed in some places to form the first stars.

What were those first stars like and when did they form? How did they affect the rest of the universe? These are questions astronomers and astrophysicists have long pondered.

The Largest And Most Powerful Black Hole In The Milky Way Galaxy (4K UHD)

The galactic centre of the Milky Way can be found in the constellation of Sagittarius and like many other large galaxies within the universe, it harbours a cosmic terror at its heart, a Super Massive Black Hole!

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First Image of a Black Hole!

The Event Horizon Telescope Collaboration observed the supermassive black hole at the center of M87, finding the dark central shadow in accordance with General Relativity, further demonstrating the power of this 100 year-old theory.

To understand more about why the shadows look the way they do, check out:

I will continue updating this description with more links.

Event Horizon Telescope collaboration:

Animations and simulations with English text:
L. R. Weih & L. Rezzolla (Goethe University Frankfurt)


Video of observation of M87 courtesy of:
C. M. Fromm, Y. Mizuno & L. Rezzolla (Goethe University Frankfurt)


Video of observation of SgrA* courtesy of
C. M. Fromm, Y. Mizuno & L. Rezzolla (Goethe University Frankfurt)
Z. Younsi (University College London)


Video of telescopes in the array 2017:
C. M. Fromm & L. Rezzolla (Goethe University Frankfurt)


Animations and simulations (no text):
L. R. Weih & L. Rezzolla (Goethe University Frankfurt)


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Scale animation by Maria Raykova
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Birth of a Black Hole

It was one of the greatest mysteries in modern science: a series of brief but extremely bright flashes of ultra-high energy light coming from somewhere out in space. These gamma ray bursts were first spotted by spy satellites in the 1960s. It took three decades and a revolution in high-energy astronomy for scientists to figure out what they were.

Far out in space, in the center of a seething cosmic maelstrom. Extreme heat. High velocities. Atoms tear, and space literally buckles. Photons fly out across the universe, energized to the limits found in nature. Billions of years later, they enter the detectors of spacecraft stationed above our atmosphere. Our ability to record them is part of a new age of high-energy astronomy, and a new age of insights into nature at its most extreme. What can we learn by witnessing the violent birth of a black hole?

The outer limits of a black hole, call the event horizon, is subject to what Albert Einstein called frame dragging, in which space and time are pulled along on a path that leads into the black hole. As gas, dust, stars or planets fall into the hole, they form into a disk that spirals in with the flow of space time, reaching the speed of light just as it hits the event horizon. The spinning motion of this so-called accretion disk can channel some of the inflowing matter out into a pair of high-energy beams, or jets.

How a jet can form was shown in a supercomputer simulation of a short gamma ray burst. It was based on a 40-millisecond long burst recorded by Swift on May 9, 2005. It took five minutes for the afterglow to fade, but that was enough for astronomers to capture crucial details. It had come from a giant galaxy 2.6 billion light years away, filled with old stars.

Scientists suspected that this was a case of two dead stars falling into a catastrophic embrace. Orbiting each other, they moved ever closer, gradually gaining speed. At the end of the line, they began tearing each other apart, until they finally merged. NASA scientists simulated the final 35 thousandths of a second, when a black hole forms.

Chaos reigns. But the new structure becomes steadily more organized, and a magnetic field takes on the character of a jet. Within less than a second after the black hole is born, it launches a jet of particles to a speed approaching light.

A similar chain of events, in the death of a large star, is responsible for longer gamma ray bursts. Stars resist gravity by generating photons that push outward on their enormous mass. But the weight of a large star's core increases from the accumulation of heavy elements produced in nuclear fusion. In time, its outer layers cannot resist the inward pull... and the star collapses. The crash produces a shock wave that races through the star and obliterates it.

In the largest of these dying stars, known as collapsars or hypernovae, a black hole forms in the collapse. Matter flowing in forms a disk. Charged particles create magnetic fields that twist off this disk, sending a portion out in high-speed jets.

Simulations show that the jet is powerful enough to plow its way through the star. In so doing, it may help trigger the explosion. The birth of a black hole does not simply light up the universe. It is a crucial event in the spread of heavy elements that seed the birth of new solar systems and planets.

But the black hole birth cries that we can now register with a fleet of high-energy telescopes are part of wider response to gravity's convulsive power.

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.

MORE SPACE SCIENCE CONTENT:
What Would Happen If Earth Had Two Moons

Where Is The Coldest Place In The Universe?

Earth Is Completely Surrounded By A Giant Human-Made Bubble


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The Most Extreme Black Holes In The Universe

Black Holes 101 | National Geographic

At the center of our galaxy, a supermassive black hole churns. Learn about the types of black holes, how they form, and how scientists discovered these invisible, yet extraordinary objects in our universe.
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Supermassive black holes: Most Powerful Objects in the Universe - Space Discovery Documentary

A supermassive black hole (SMBH or sometimes SBH) is the largest type of black hole, containing a mass of the order of hundreds of thousands to billions of times the mass of the Sun (M☉). Black holes are a class of astronomical object that have undergone gravitational collapse, leaving behind spheroidal regions of space from which nothing can escape, not even light. Observational evidence indicates that nearly all large galaxies contain a supermassive black hole, located at the galaxy's center.[3][4] In the case of the Milky Way, the supermassive black hole corresponds to the location of Sagittarius A* at the Galactic Core.[5][6] Accretion of interstellar gas onto supermassive black holes is the process responsible for powering quasars and other types of active galactic nuclei.

What's Inside A Black Hole? | Unveiled

What's Inside A Black Hole?
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Black holes are mysterious and bizarre objects in the universe that really have no explanation. In fact, we hardly know anything about what lies inside of a black hole. We know and understand what we see on the outside of a black hole, but we have no way of going inside one to take a look at what is really happening. Even if we sent a probe inside a black hole, it would not survive the journey, and there would be no way that the probe could transmit a signal outside once it had been sucked inside. This is because a black hole is the product of mass being squeezed together so densely, and so tightly, that it creates a gravitational pull that is so strong, that not even light can escape its grasp.

Supermassive black holes with masses millions to billions of times that of the sun are thought to lurk at the hearts of all galaxies in the universe. You may notice that when you see a photo of a spiral galaxy, such as the Milky Way, in the center of the galaxy is a giant mass of light, which many people would think looks like a massive sun.

But this is not light coming from the black hole itself. Remember, that light cannot escape the heavy gravitational pull. Instead, the light we see comes from the magnetic fields near a spinning black hole that propel electrons outward in a jet along the rotation axis. The electrons produce bright radio waves. Quasars are believed to produce their energy from massive black holes in the center of the galaxies in which the quasars are located. Because quasars are so bright, they drown out the light from all the other stars in the same galaxy.

You’re probably asking, ‘well, what’s a quasar?’ A Quasar is the short name for ‘quasi-stellar object’ and is a very highly energetic object surrounding an actively feeding Supermassive Black Hole. In more basic terms, the Supermassive Black Hole in the middle of a galaxy feeds intermittently. As it feeds, gas swirls around it at incredible speeds and forms an insanely bright hot orbiting disk. And if the black hole is swallowing a large amount of material, this feeding is accompanied by gigantic jets of gas. These are called Quasar. They are essentially fueled by the Black Holes they orbit.

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