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What is a Black Hole? What Happens Inside a Black Hole?

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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.

Travel INSIDE a Black Hole

Black holes, light speed travel, and the center of the universe!
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Black Hole view from behind:

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What Would A Black Hole Look Like? The Universe and Space Exploration Documentary

At last, we can see it: a black hole in the flesh. Astronomers today revealed a picture of the gargantuan black hole at the heart of the nearby galaxy Messier 87 (M87). The result—a ring of fire surrounding the blackest of shadows—is a powerful confirmation of Albert Einstein’s theory of gravity, or general relativity, which was used to predict black holes 80 years ago. It is also a feat for the team of more than 200 scientists who toiled for years to produce the image by combining signals from eight separate radio observatories spanning the globe.

Black Holes Explained – From Birth to Death

Black holes. Lets talk about them.

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What Is Inside Of A Black Hole?

What Is Inside Of A Black Hole?
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Black holes are a deep dark mystery. Literally. Our galaxy alone is thought to contain anywhere between 10 million to a billion of them. We know they have the ability to destroy planets, maybe even solar systems, but why exactly? What is going on in there?
Hello and welcome back to Life's Biggest Questions, the channel that wants to answer everything and anything but actually, curiosity didn't get rid of the cat, that's just a thing people say to keep you in your place. Knowledge is power, but is there anything more powerful than a black hole? Seamless. I am your host Rebecca Felgate and today I am asking What is inside of a black hole?

#blackhole #science #space

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What Happens If 1 mm Black Hole Appears On Earth?

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What Survives Inside A Black Hole?

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We’ve established by now that black holes are weird. The result of absolute gravitational collapse of a massive body: a point of hypothetical infinite density surrounded by an event horizon. At that horizon time is frozen and the fabric of space itself cascades inwards at the speed of light. Nothing can travel faster than light, and so nothing can escape from below the event horizon- not matter, not light, not even information.

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These ideas are pretty mind-blowing, but as crazy as black holes are, they’re also kind of … simple. Don’t get me wrong; the math is complicated. But the objects themselves are simple. In fact every black hole in the universe, no matter how it formed or what happened to it afterwards, can be perfectly described with only three properties. Those properties are mass, angular momentum, and electric charge. Or at least this is the proposition behind the famous no-hair conjecture, or no-hair theorem.

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What Would Happen If Earth Fell Into A BLACK HOLE?

Official Life's Biggest Questions Video: What Would Happen If Earth Fell Into A BLACK HOLE?
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Blackholes are still somewhat of a mystery to us, however that may not always be the case. What we do know, is that they’re pretty scary and our galaxy alone is thought to contain at least 100 million of them. Yes. 100 million.

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What's Inside a Black Hole?

What's inside a black hole? Here are three awesome theories.

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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
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What If You Fell Into a Black Hole?

What would the outcome be if you took a leap of faith straight into a black hole? We looked to Einstein and Hawking to ponder the scenario.

Say one day you were exploring space looking for a new planet for humans to inhabit, but came across a black hole and decided – why not check it out? Would you have any chance of survival? How would you get out if at all? Would you find a shortcut to another universe? Watch the video to learn about what would happen if you fell into a black hole.

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Imagination will often carry us to worlds that never were. But without it, we go nowhere. — Carl Sagan

Black Holes: Crash Course Astronomy #33

We’ve covered a lot of incredible stuff, but this week we’re talking about the weirdest objects in space: BLACK HOLES. Stellar mass black holes form when a very massive star dies, and its core collapses. The core has to be more than about 2.8 times the Sun’s mass to form a black hole. Black holes come in different sizes, but for all of them, the escape velocity is greater than the speed of light, so nothing can escape, not matter or light. They don’t wander the Universe gobbling everything down around them; their gravity is only really intense very close to them. Tides near a stellar mass black hole will spaghettify you, and time slows down when you get near a black hole — not that this helps much if you’re falling in.

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Table of Contents
How Stellar Mass Black Holes Are Formed 1:03
The Core 1:43
Nothing Can Escape Once It’s Inside 2:29
Gravity Intensifies The Closer You Get 3:33
Spaghettification 6:01
Time Will Slow Down Near A Black Hole 8:01

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PHOTOS/VIDEOS
White Dwarf Pulses Like a Pulsar [credit: NASA, Casey Reed]
Swift Reveals New Phenomenon in a Neutron Star [credit: NASA's Goddard Space Flight Center]
Black Holes - Monsters in Space [credit: NASA/JPL-Caltech, Wikimedia Commons]
What if the Sun became a black hole? (artist's impression) [credit: ESA/Hubble (M. Kornmesser)]
Black Hole Animation [credit: NASA/SAO/CXC/D.Berry]
Star Destroyer [credit: Space Telescope Science Institute (STScI) and NASA's Goddard Space Flight Center]
Black hole deforms space [credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)]
Black hole close-up (artist's impression) [credit: European Space Agency, NASA and Felix Mirabel (the French Atomic Energy Commission & the Institute for Astronomy and Space Physics/Conicet of Argentina)]
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Do Events Inside Black Holes Happen? | Space Time | PBS Digital Studios

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Black holes! From Stephen Hawking to Interstellar, black holes are mammoths in the world of science AND sci-fi. But what exactly IS a black hole? Do events happen inside black holes? Are black holes really a hole? Are black holes really black?! Join Gabe on this week’s episode of PBS Space Time as he debunks popular black hole misconceptions, and rethinks what the term, ‘black hole’, even means. Thought you knew what a black hole was? Think again!

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Inside the black hole image that made history | Sheperd Doeleman

At the center of a galaxy more than 55 million light-years away, there's a supermassive black hole with the mass of several billion suns. And now, for the first time ever, we can see it. Astrophysicist Sheperd Doeleman, head of the Event Horizon Telescope collaboration, speaks with TED's Chris Anderson about the iconic, first-ever image of a black hole -- and the epic, worldwide effort involved in capturing it.

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What is a Black Hole? - Stephen Hawking's final theory

~ The black hole information paradox and Soft Hair ~
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What does Stephen Hawking's last paper on black holes with soft hair say about the black hole information paradox?

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The Most MYSTERIOUS Object in the Universe
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What Happens Inside A Black Hole?

We were recently wondering what would happen to you if you fall into a black hole. Julian decided to tackle this tough question based on what we know.

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“Black holes are without question some of the strangest places in the universe.”

What if you fell into a black hole?

“Here's where it starts to get bad. Tidal forces -- so named because similar gravitational forces between the moon and the Earth cause ocean tides -- increase dramatically as the distance between you and the black hole shrinks.”

What would happen to me if I fell into a black hole?

“Let's suppose that you get into your spaceship and point it straight towards the million-solar-mass black hole in the center of our galaxy.”

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INSIDE a black hole

Spoiler Alert: You will die.

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How Time Becomes Space Inside a Black Hole | Space Time

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The Geometry of Causality


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What You'd See When Falling Into or Orbiting Black Holes - VR/360

Black holes bend light in extreme ways near the event horizon, it can focus light into a ring, and create mirror images of the universe.
Using Space Engine and the 360 feature on Youtube I can simulate this behavior and let you look around.

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What exists inside a Black Hole?

Ever dreamt of falling into a Black Hole? 😱

The video explains what you would see if you enter a Black Hole. Make sure to watch it, share it and give it a LIKE!

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