Astronomers Discover Millions Of Milky Way Black Holes

A new scientific paper published in the journal Monthly Notices of the Royal Astronomical Society says our Milky Way galaxy is a minefield of black holes, with perhaps 100 million of the dangerous voids hiding among the stars, International Business Times reports.

Researchers were surprised, the report said, how many black holes there are in our universe with the figure appearing to be higher than even they imagined.

Old, massive stars could die in a dramatic fashion, collapsing in on themselves, the report said. When that happens, all of the mass that was once taking up a lot of real estate in outer space is suddenly pinched into a relatively tiny area, making for an object so dense that not even light, traveling faster than anything else in the universe, can escape its grasp, IBT reported.

The researchers wanted an idea of the number of black holes, the report said, so to get their estimates, they used existing information about the distribution of stars: where they exist and how big they are.

In addition, the estimates told them how big they could expect black holes would be after the massive stars collapsed, the report said.

“We have a pretty good understanding of the overall population of stars in the universe and their mass distribution as they’re born, so we can tell how many black holes should have formed with 100 solar masses versus 10 solar masses,” study co-author James Bullock said in a statement from the University of California, Irvine. “We were able to work out how many big black holes should exist, and it ended up being in the millions — many more than I anticipated.”

“Based on what we know about star formation in galaxies of different types,” researcher Oliver Elbert said in a statement, “we can infer when and how many black holes formed in each galaxy. Big galaxies are home to older stars, and they host older black holes too.”

According to the university, the research occurred after scientists detected gravitational waves for the first time, IBT reported.

Gravitational waves are disturbances in space-time that come from enormous events, like two black holes crashing into and merging with one another — the circumstances under which scientists detected them almost two years ago, the report said.

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Those two colliding black holes were each about 30 times bigger than the sun, larger than some expected to see in a stellar-remnant black hole.

The report quoted Bullock as saying “That was simply astounding and had us asking, ‘How common are black holes of this size, and how often do they merge?’”

When it comes to black hole population and size, it depends on how big the home galaxy is, IBT reported.

Bigger galaxies make for smaller stellar-remnant black holes, the report said. The university explained in larger galaxies, stars tend to contain a lot of metal, and they “shed a lot of that mass over their lives” so there isn’t much left over by the time they collapse.

However, in smaller galaxies, there aren’t as many heavy elements in the stars, so there is more mass remaining at the end of the big stars’ lives — paving the way for a big black hole.

Supermassive Black Hole in the Milky Way Galaxy (Version 1)

Supermassive Black Hole in the Milky Way Galaxy (Version 1)

See the updated, expanded version of this video:
https://www.youtube.com/watch?v=XwkMCHf516s
From a distance, our galaxy would look like a flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxys center. Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of the galactic center. And yet, the clues have been piling up, that something important, something strange is going on in there. Astronomers tracking stars in the center of the galaxy have found the best proof to date that black holes exist. Now, they are shooting for the first direct image of a black hole.
From a distance, our galaxy would look something like this.
A flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxy\'s center.
That center -- bulging up and out of the galactic disk -- is tightly packed with stars.
Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of this so-called \"bulge.\"
And yet, the clues have been piling up, that something important...something strange... is going on in there.
The first to take notice was the physicist Karl Jansky back in the 1930s.
He was asked by his employer, Bell Telephone Labs, to investigate sources of static that might interfere with what it saw as the killer app of its time... radio voice transmissions.
Using this ungainly radio receiver... Jansky methodically scanned the airwaves. He documented thunders...

Supermassive Black Hole in the Milky Way Galaxy (Version 1)

published:09 Dec 2009

views:1099995

See the updated, expanded version of this video:
https://www.youtube.com/watch?v=XwkMCHf516s
From a distance, our galaxy would look like a flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxys center. Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of the galactic center. And yet, the clues have been piling up, that something important, something strange is going on in there. Astronomers tracking stars in the center of the galaxy have found the best proof to date that black holes exist. Now, they are shooting for the first direct image of a black hole.
From a distance, our galaxy would look something like this.
A flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxy\'s center.
That center -- bulging up and out of the galactic disk -- is tightly packed with stars.
Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of this so-called \"bulge.\"
And yet, the clues have been piling up, that something important...something strange... is going on in there.
The first to take notice was the physicist Karl Jansky back in the 1930s.
He was asked by his employer, Bell Telephone Labs, to investigate sources of static that might interfere with what it saw as the killer app of its time... radio voice transmissions.
Using this ungainly radio receiver... Jansky methodically scanned the airwaves. He documented thunders...

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. In the case of the Milky Way, the SMBH corresponds with the location of Sagittarius A*.
Supermassive black holes have properties that distinguish them from lower-mass classifications. First, the average density of a supermassive black hole (defined as the mass of the black hole divided by the volume within its Schwarzschild radius) can be less than the density of water in the case of some supermassive black holes. This is because the Schwarzschild radius is directly proportional to mass, while density is inversely proportional to the volume. Since the volume of a spherical object (such as the event horizon of a non-rotating black hole) is directly proportional to the cube of the radius, the minimum density of a black hole is inversely proportional to the square of the mass, and thus higher mass black holes have lower average density. In addition, the tidal forces in the vicinity of the event horizon are significantly weaker for massive black holes. As with density, the tidal force on a body at the event horizon is inversely proportional to the square of the mass: a person on the surface of the Earth and one at the event horizon of a 10 million M? black hole experience about the same tidal force between their head and feet. Unlike with stellar mass black holes, one would not experience significant tidal force until very deep into the black hole....

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. In the case of the Milky Way, the SMBH corresponds with the location of Sagittarius A*.
Supermassive black holes have properties that distinguish them from lower-mass classifications. First, the average density of a supermassive black hole (defined as the mass of the black hole divided by the volume within its Schwarzschild radius) can be less than the density of water in the case of some supermassive black holes. This is because the Schwarzschild radius is directly proportional to mass, while density is inversely proportional to the volume. Since the volume of a spherical object (such as the event horizon of a non-rotating black hole) is directly proportional to the cube of the radius, the minimum density of a black hole is inversely proportional to the square of the mass, and thus higher mass black holes have lower average density. In addition, the tidal forces in the vicinity of the event horizon are significantly weaker for massive black holes. As with density, the tidal force on a body at the event horizon is inversely proportional to the square of the mass: a person on the surface of the Earth and one at the event horizon of a 10 million M? black hole experience about the same tidal force between their head and feet. Unlike with stellar mass black holes, one would not experience significant tidal force until very deep into the black hole....

Will Our Black Hole Eat the Milky Way? Putting Supermassive Black Holes in Their Place

As soon as you learn about the supermassive black hole at the center of the Milky Way, your next thought is: is that thing going to destroy our galaxy? In the short term, no, in the long term… maybe?
Support us at: http://www.patreon.com/universetoday
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Team: Fraser Cain - @fcain
Jason Harmer - @jasoncharmer
Chad Weber - weber.chad@gmail.com
Created by: Fraser Cain and Jason Harmer
Edited by: Chad Weber
Music: Left Spine Down - “X-Ray”
https://www.youtube.com/watch?v=4tcoZNrSveE
Want to hear something cool? There’s a black hole at the center of the Milky Way. And not just any black hole, it’s a supermassive black hole with more than 4.1 million times the mass of the Sun.
It’s right over there, in the direction of the Sagittarius constellation. Located just 26,000 light-years away.
And as we speak, it’s in the process of tearing apart entire stars and star systems, occasionally consuming them, adding to its mass like a voracious shark.
Wait, that doesn’t sound cool, that sort of sounds a little scary. Right?
Don’t worry, you have absolutely nothing to worry about, unless you plan to live for quadrillions of years, which I do, thanks to my future robot body. I’m ready for my singularity, Dr. Kurzweil.
Is the supermassive black hole going to consume the Milky Way? If not, why not...

Will Our Black Hole Eat the Milky Way? Putting Supermassive Black Holes in Their Place

published:15 Aug 2016

views:51684

As soon as you learn about the supermassive black hole at the center of the Milky Way, your next thought is: is that thing going to destroy our galaxy? In the short term, no, in the long term… maybe?
Support us at: http://www.patreon.com/universetoday
More stories at: http://www.universetoday.com/
Follow us on Twitter: @universetoday
Follow us on Tumblr: http://universetoday.tumblr.com/
Like us on Facebook: https://www.facebook.com/universetoday
Google+ - https://plus.google.com/+universetoday/
Instagram - http://instagram.com/universetoday
Team: Fraser Cain - @fcain
Jason Harmer - @jasoncharmer
Chad Weber - weber.chad@gmail.com
Created by: Fraser Cain and Jason Harmer
Edited by: Chad Weber
Music: Left Spine Down - “X-Ray”
https://www.youtube.com/watch?v=4tcoZNrSveE
Want to hear something cool? There’s a black hole at the center of the Milky Way. And not just any black hole, it’s a supermassive black hole with more than 4.1 million times the mass of the Sun.
It’s right over there, in the direction of the Sagittarius constellation. Located just 26,000 light-years away.
And as we speak, it’s in the process of tearing apart entire stars and star systems, occasionally consuming them, adding to its mass like a voracious shark.
Wait, that doesn’t sound cool, that sort of sounds a little scary. Right?
Don’t worry, you have absolutely nothing to worry about, unless you plan to live for quadrillions of years, which I do, thanks to my future robot body. I’m ready for my singularity, Dr. Kurzweil.
Is the supermassive black hole going to consume the Milky Way? If not, why not...

The Black Hole at the Center of Our Galaxy: Don't Panic!

The Black Hole at the Center of Our Galaxy: Don't Panic!

SciShow Space explores the supermassive black hole spinning at the center of our galaxy, and how we’ve all learned to live with it in harmony.
----------
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Sources:
http://www.sciencemag.org/content/345/6202/1330.abstract
http://science.nasa.gov/astrophysics/focus-areas/black-holes/
http://eagle.phys.utk.edu/guidry/astro490/lectures/lecture490_ch13.pdf...

The Black Hole at the Center of Our Galaxy: Don't Panic!

published:23 Dec 2014

views:489453

SciShow Space explores the supermassive black hole spinning at the center of our galaxy, and how we’ve all learned to live with it in harmony.
----------
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow
Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
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Thanks Tank Tumblr: http://thankstank.tumblr.com
Sources:
http://www.sciencemag.org/content/345/6202/1330.abstract
http://science.nasa.gov/astrophysics/focus-areas/black-holes/
http://eagle.phys.utk.edu/guidry/astro490/lectures/lecture490_ch13.pdf...

Will Supermassive Black Hole at The Center of The Milky Way Devour Entire Galaxy?

Want to hear something cool? There’s a black hole at the center of the Milky Way. And not just any black hole, it’s a supermassive black hole with more than 4.1 million times the mass of the Sun.
It’s right over there, in the direction of the Sagittarius constellation. Located just 26,000 light-years away. And as we speak, it’s in the process of tearing apart entire stars and star systems, occasionally consuming them, adding to its mass like a voracious shark....

Will Supermassive Black Hole at The Center of The Milky Way Devour Entire Galaxy?

published:17 Aug 2016

views:10394

Want to hear something cool? There’s a black hole at the center of the Milky Way. And not just any black hole, it’s a supermassive black hole with more than 4.1 million times the mass of the Sun.
It’s right over there, in the direction of the Sagittarius constellation. Located just 26,000 light-years away. And as we speak, it’s in the process of tearing apart entire stars and star systems, occasionally consuming them, adding to its mass like a voracious shark....

The Monster Black Hole at the Center of the Milky Way

The Monster Black Hole at the Center of the Milky Way

Jan. 25, 2017
Dr. Andrea Ghez (University of California, Los Angeles)
By measuring the rapid orbits of the stars near the center of our galaxy, Dr. Ghez and her colleagues have moved the case for a supermassive black hole at the heart of the Milky Way from a possibility to a certainty. She reports on her pioneering observations and discusses some of the surprising results this work has led to....

The Monster Black Hole at the Center of the Milky Way

published:23 Feb 2017

views:17372

Jan. 25, 2017
Dr. Andrea Ghez (University of California, Los Angeles)
By measuring the rapid orbits of the stars near the center of our galaxy, Dr. Ghez and her colleagues have moved the case for a supermassive black hole at the heart of the Milky Way from a possibility to a certainty. She reports on her pioneering observations and discusses some of the surprising results this work has led to....

black hole in milky way galaxy

black hole in milky way galaxy

The Milky Way is the galax nb that contains our Solar System.The descriptive \"milky\" is derived from the appearance from Earth of the galaxy – a band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. The term Milky Way is a translation of the Latin via lactea, from the Greek γαλαξίας κύκλος (galaxías kýklos, \"milky circle\"). From Earth, the Milky Way appears as a band because its disk-shaped structure is viewed from within. Galileo Galilei first resolved the band of light into individual stars with his telescope in 1610. Until the early 1920s, most astronomers thought that the Milky Way contained all the stars in the Universe. Following the 1920 Great Debate between the astronomers Harlow Shapley and Heber Curtis,observations by Edwin Hubble showed that the Milky Way is just one of many galaxies.
The Milky Way is a barred spiral galaxy with a diameter between 100,000[30] and 180,000 light-years. The Milky Way is estimated to contain 100–400 billion star There are probably at least 100 billion planets in the Milky Way.The Solar System is located within the disk, about 26,000 light-years from the Galactic Center, on the inner edge of one of the spiral-shaped concentrations of gas and dust called the Orion Arm. The stars in the inner ≈10,000 light-years form a bulge and one or more bars that radiate from the bulge. The very center is marked by an intense radio source, named Sagittarius A*, which is likely to be a supermassive black hole.
Stars and gases at a wide range of distances from the Galactic Center orbit at ...

black hole in milky way galaxy

published:31 Aug 2017

views:140

The Milky Way is the galax nb that contains our Solar System.The descriptive \"milky\" is derived from the appearance from Earth of the galaxy – a band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. The term Milky Way is a translation of the Latin via lactea, from the Greek γαλαξίας κύκλος (galaxías kýklos, \"milky circle\"). From Earth, the Milky Way appears as a band because its disk-shaped structure is viewed from within. Galileo Galilei first resolved the band of light into individual stars with his telescope in 1610. Until the early 1920s, most astronomers thought that the Milky Way contained all the stars in the Universe. Following the 1920 Great Debate between the astronomers Harlow Shapley and Heber Curtis,observations by Edwin Hubble showed that the Milky Way is just one of many galaxies.
The Milky Way is a barred spiral galaxy with a diameter between 100,000[30] and 180,000 light-years. The Milky Way is estimated to contain 100–400 billion star There are probably at least 100 billion planets in the Milky Way.The Solar System is located within the disk, about 26,000 light-years from the Galactic Center, on the inner edge of one of the spiral-shaped concentrations of gas and dust called the Orion Arm. The stars in the inner ≈10,000 light-years form a bulge and one or more bars that radiate from the bulge. The very center is marked by an intense radio source, named Sagittarius A*, which is likely to be a supermassive black hole.
Stars and gases at a wide range of distances from the Galactic Center orbit at ...

Black Hole Comparison

Black Hole Comparison

Hello world! Sorry about the long time without any uploads,
but I had to spend some time dealing with life ;)
But good news, I am back with a space themed video similar to my first upload,
which became quite popular.
I hope I was able to convey my fascination.
Enjoy
Music:
\"Black Vortex\" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/...

Black Hole Comparison

published:05 Feb 2014

views:5904472

Hello world! Sorry about the long time without any uploads,
but I had to spend some time dealing with life ;)
But good news, I am back with a space themed video similar to my first upload,
which became quite popular.
I hope I was able to convey my fascination.
Enjoy
Music:
\"Black Vortex\" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/...

Black Hole moving in front of the Milky Way background

Black Hole moving in front of the Milky Way background

Light rays passing a Schwarzschild black hole are bent due to the curved spacetime. Hence, everything behind the black hole appears to be strongly distorted.
The Milky Way panorama is by ESO/S.Brunier....

Black Hole moving in front of the Milky Way background

published:10 Nov 2014

views:9306

Light rays passing a Schwarzschild black hole are bent due to the curved spacetime. Hence, everything behind the black hole appears to be strongly distorted.
The Milky Way panorama is by ESO/S.Brunier....

Giant of the Milky Way - Supermassive Black Hole of our Milky Way Galaxy!

Located about 32 million light-years from Earth in the Messier 74 galaxy (M74), this object emits periodic bursts of x-rays at a rate that suggests it is much larger than a stellar-mass black hole but significantly smaller than the supermassive black holes found at the centers of galaxies....

Giant of the Milky Way - Supermassive Black Hole of our Milky Way Galaxy!

published:17 Sep 2015

views:1123

Located about 32 million light-years from Earth in the Messier 74 galaxy (M74), this object emits periodic bursts of x-rays at a rate that suggests it is much larger than a stellar-mass black hole but significantly smaller than the supermassive black holes found at the centers of galaxies....

Supermassive Black Hole in the Milky Way Galaxy - Documentary

Supermassive Black Hole in the Milky Way Galaxy - Documentary

From a distance, our galaxy would look like a flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxys center. Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of the galactic center. And yet, the clues have been piling up, that something important, something strange is going on in there. Astronomers tracking stars in the center of the galaxy have found the best proof to date that black holes exist. Now, they are shooting for the first direct image of a black hole.
From a distance, our galaxy would look something like this.
A flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxy\'s center.
That center -- bulging up and out of the galactic disk -- is tightly packed with stars.
Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of this so-called \"bulge.\"
And yet, the clues have been piling up, that something important...something strange... is going on in there.
The first to take notice was the physicist Karl Jansky back in the 1930s.
He was asked by his employer, Bell Telephone Labs, to investigate sources of static that might interfere with what it saw as the killer app of its time... radio voice transmissions.
Using this ungainly radio receiver... Jansky methodically scanned the airwaves. He documented thunderstorms, near and far... and another signal he could not explain.
It sounded like steam -- a his...

Supermassive Black Hole in the Milky Way Galaxy - Documentary

published:29 Nov 2017

views:260

From a distance, our galaxy would look like a flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxys center. Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of the galactic center. And yet, the clues have been piling up, that something important, something strange is going on in there. Astronomers tracking stars in the center of the galaxy have found the best proof to date that black holes exist. Now, they are shooting for the first direct image of a black hole.
From a distance, our galaxy would look something like this.
A flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxy\'s center.
That center -- bulging up and out of the galactic disk -- is tightly packed with stars.
Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of this so-called \"bulge.\"
And yet, the clues have been piling up, that something important...something strange... is going on in there.
The first to take notice was the physicist Karl Jansky back in the 1930s.
He was asked by his employer, Bell Telephone Labs, to investigate sources of static that might interfere with what it saw as the killer app of its time... radio voice transmissions.
Using this ungainly radio receiver... Jansky methodically scanned the airwaves. He documented thunderstorms, near and far... and another signal he could not explain.
It sounded like steam -- a his...

An Intermediate Mass Black Hole Found in the Milky Way. 100,000 Times the Mass of the Sun

Astronomers have been searching for mid-weight black holes, and now they’ve found one, right here in the Milky Way.
Support us at: http://www.patreon.com/universetoday
More stories at: http://www.universetoday.com/
Follow us on Twitter: @universetoday
Like us on Facebook: https://www.facebook.com/universetoday
Google+ - https://plus.google.com/+universetoday/
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Team: Fraser Cain - @fcain / frasercain@gmail.com
Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEIt...
Chad Weber - weber.chad@gmail.com
Chloe Cain - Instagram: @chloegwen2001
I can’t believe my luck. Just last week as we were putting up our newest video about how smaller black holes combine into more and more massive black holes, leading up to supermassive black holes, astronomers announced one of the most important discoveries in black hole research in the last few years.
So, as I sometimes do, I’ve stopped the explainer video train to report on a very important piece of space news. And actually cover a topic that I’ve had in my queue for a while: the search for intermediate mass black holes.
Half news, half explainer. Enjoy.
Astronomers from Japan announced last week that they had discovered a black hole with 100,000 times the mass of the Sun, near the center of the Milky Way. This is one of the best observations ever made of a mysterious class of objects known as “intermediate mass black holes”, thought to be the building blocks of the much larger supermassive black holes we’ve come to know and love at the centers of galaxies.
The team used two ...

An Intermediate Mass Black Hole Found in the Milky Way. 100,000 Times the Mass of the Sun

published:09 Sep 2017

views:27218

Astronomers have been searching for mid-weight black holes, and now they’ve found one, right here in the Milky Way.
Support us at: http://www.patreon.com/universetoday
More stories at: http://www.universetoday.com/
Follow us on Twitter: @universetoday
Like us on Facebook: https://www.facebook.com/universetoday
Google+ - https://plus.google.com/+universetoday/
Instagram - http://instagram.com/universetoday
Team: Fraser Cain - @fcain / frasercain@gmail.com
Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEIt...
Chad Weber - weber.chad@gmail.com
Chloe Cain - Instagram: @chloegwen2001
I can’t believe my luck. Just last week as we were putting up our newest video about how smaller black holes combine into more and more massive black holes, leading up to supermassive black holes, astronomers announced one of the most important discoveries in black hole research in the last few years.
So, as I sometimes do, I’ve stopped the explainer video train to report on a very important piece of space news. And actually cover a topic that I’ve had in my queue for a while: the search for intermediate mass black holes.
Half news, half explainer. Enjoy.
Astronomers from Japan announced last week that they had discovered a black hole with 100,000 times the mass of the Sun, near the center of the Milky Way. This is one of the best observations ever made of a mysterious class of objects known as “intermediate mass black holes”, thought to be the building blocks of the much larger supermassive black holes we’ve come to know and love at the centers of galaxies.
The team used two ...

The Black Hole Monster in the Center of the Milky Way | NASA Space Science HD Video

Visit my website at http://www.junglejoel.com - the NuSTAR X-Ray telescope has been taking detailed images of the center of our Milky Way galaxy, which is inhabited by a monster black hole. Please rate and comment, thanks!
Credit: NASA...

The Black Hole Monster in the Center of the Milky Way | NASA Space Science HD Video

published:16 Nov 2012

views:67263

Visit my website at http://www.junglejoel.com - the NuSTAR X-Ray telescope has been taking detailed images of the center of our Milky Way galaxy, which is inhabited by a monster black hole. Please rate and comment, thanks!
Credit: NASA...

The Largest Black Holes in the Universe

The Largest Black Holes in the Universe

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 co...

The Largest Black Holes in the Universe

published:26 Sep 2012

views:6727930

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 co...

See the updated, expanded version of this video:
https://www.youtube.com/watch?v=XwkMCHf516s
From a distance, our galaxy would look like a flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxys center. Thick dust

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. In the case of the Milky Way, the SMBH corresponds with the location of Sagittarius A*.
Supermassive

As soon as you learn about the supermassive black hole at the center of the Milky Way, your next thought is: is that thing going to destroy our galaxy? In the short term, no, in the long term… maybe?
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SciShow Space explores the supermassive black hole spinning at the center of our galaxy, and how we’ve all learned to live with it in harmony.
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Want to hear something cool? There’s a black hole at the center of the Milky Way. And not just any black hole, it’s a supermassive black hole with more than 4.1 million times the mass of the Sun.
It’s right over there, in the direction of the Sagittarius constellation. Located just 26,000 light-yea

Jan. 25, 2017
Dr. Andrea Ghez (University of California, Los Angeles)
By measuring the rapid orbits of the stars near the center of our galaxy, Dr. Ghez and her colleagues have moved the case for a supermassive black hole at the heart of the Milky Way from a possibility to a certainty. She reports

The Milky Way is the galax nb that contains our Solar System.The descriptive \"milky\" is derived from the appearance from Earth of the galaxy – a band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. The term Milky Way is a translation of t

Hello world! Sorry about the long time without any uploads,
but I had to spend some time dealing with life ;)
But good news, I am back with a space themed video similar to my first upload,
which became quite popular.
I hope I was able to convey my fascination.
Enjoy
Music:
\"Black Vortex\" Kevin Mac

Light rays passing a Schwarzschild black hole are bent due to the curved spacetime. Hence, everything behind the black hole appears to be strongly distorted.
The Milky Way panorama is by ESO/S.Brunier.

Located about 32 million light-years from Earth in the Messier 74 galaxy (M74), this object emits periodic bursts of x-rays at a rate that suggests it is much larger than a stellar-mass black hole but significantly smaller than the supermassive black holes found at the centers of galaxies.

From a distance, our galaxy would look like a flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxys center. Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of the ga

Astronomers have been searching for mid-weight black holes, and now they’ve found one, right here in the Milky Way.
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Visit my website at http://www.junglejoel.com - the NuSTAR X-Ray telescope has been taking detailed images of the center of our Milky Way galaxy, which is inhabited by a monster black hole. Please rate and comment, thanks!
Credit: NASA

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

Black holes are more common than you may think. There’s even one in our galaxy. Close enough for scientists to actually observe its destructive nature.
Produced by Kevin Reilly and Rebecca Harrington
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In a 16-year long study, using several of ESO\'s flagship telescopes, a team of German astronomers has produced the most detailed view ever of the surroundings of the monster lurking at our Galaxy\'s heart — a supermassive black hole. The research has unravelled the hidden secrets of this tumultuous r

To discover what created the Milky Way, scientists have to look back 13.6 billion years to the moments just after the Big Bang. | For more How the Universe Works, visit http://science.discovery.com/tv-shows/how-the-universe-works/#mkcpgn=ytsci1
Catch all new episodes of HOW THE UNIVERSE WORKS Wedne

An international team of astronomers, lead by researchers at the Max-Planck Institute for Extraterrestrial Physics (MPE), has directly observed an otherwise normal star orbiting the supermassive black hole at the center of the Milky Way Galaxy.
Ten years of painstaking measurements have been crowne

TOKYO — New evidence has been found backing the existence of a mid-sized black hole, which was long-theorized to be the middle ground between single star black holes, and supermassive ones found in galaxy centers.
According to a the National Astronomical Observatory of Japan, a team led by Keio Uni