Supermassive Black Hole in the Milky Way Galaxy (Version 1)
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- Опубліковано 21 вер 2024
- See the updated, expanded version of this video:
• Cosmic Journeys - Supe...
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 hiss of radio noise. Jansky narrowed it to a spot in the constellation of Sagittarius, in the direction of the center of the galaxy.
Located within a larger pattern of radio emissions... ... Jansky's sighting would become known as Sagittarius A*.
The word of Jansky's finding got out. He assured the public that it was not aliens seeking contact.
But that's just about all anyone could say... for over three decades.
Then Erik Becklin got on the case.
Becklin is one of those rare researchers whose curiosity and determination push our understanding to a whole new level.
It was the 1960's and astronomy, like society, was in a period of ferment. Startling new observations were being made... and new interpretations were in the air.
Quasars had just been discovered... extremely bright beacons of light from deep space. Were they coming from the centers of distant galaxies? And what powerful objects were generating them?
To study an event at the center of a galaxy, you have locate it. Young Becklin first took aim at our neighboring galaxy, Andromeda.
In ultraviolet light, you can see a dense glow in the middle. Becklin found the point where the light reaches peak intensity... and marked it as the Center.
From our orientation in space, all of the Andromeda galaxy is in full view.
But our galaxy is a different story. We live inside it, of course. Becklin had to find a way to see through all the dust and gas that obscure our line of sight into the center. So he went to a military contractor...
...and obtained a device that reads infrared light... whose wavelengths are similar to the distances between particles in a dust cloud, allowing them to move right through.
Becklin began measuring the brightness of the light as it rose to a peak... marking the location of the galactic center.
Pinpointing this site would now allow astronomers to begin probing for details with a new generation of powerful telescopes... to peer into the bright lights... the forbidden zones... deep in the heart of the Milky Way.
Becklin wasn't the only astronomer interested in the galactic center.
Reinhardt Genzel, and a team based at the Max Planck Institute for Extraterrestrial Physics in Germany, began a similar campaign in 1990... from the New Technology Telescope in the mountains of Chile.
A few years later, in 1993, high atop Hawaii's Mauna Kea volcano...
Eric Becklin and colleagues, including Andrea Ghez, began using the newly christened Keck Telescope. The American and German groups shared the same goal... to pinpoint the precise location of Sagittarius A*, and find out what it is.
Because the object is too small to see... at 26,000 light years away... they would study it by tracking the orbits of stars around it.
Even seeing them would take the sensitivity of Keck's wide aperture; an instrument powerful enough to detect a single candle flame at the distance of the moon...
Meanwhile, using a similar technique, astronomers had focused the new Hubble Space Telescope on a different galaxy... a giant elliptical cloud of nearly a billion stars, lying some 50 million light years away called M87.
![Journey to the Andromeda Galaxy [4K]](http://i.ytimg.com/vi/-ybiXR2WCFQ/mqdefault.jpg)
See you guys in another 10 years when this gets recommend again ✌️
See you then 😊
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see you then haha...
And finally, it's May 2022, we got the photo of Sagittarius A*.
Little did they know we will get the first ever image of M87 years later, the M87 moment in this video really got me. We made progress
Awesome to see that even 10 years ago (almost), only 4 years after the birth of UA-cam, that SpaceRip was already making high production quality videos. I feel like given the advances in the industry over time that this video still holds up pretty well.
Can you tell the narrator to just say for me once: "Wake up, Mr. Freeman. Wake up and, smell the ashes...."
ua-cam.com/video/A-gdBOpyRGg/v-deo.html
Well, on this day in May 2022--an actual photo of Sag-A* has revealed that it was a black hole after all! These things really do exists and now we can see them! Wow!
One of the coolest things to watch while folding laundry.
This is excellent. The images of the orbit of the star S2 around the black hole are stunning. Great upload.
5 years later we are still waiting for the JWST to get off the launch pad. Sorry, I'll go back 2019 and leave you be.
2020 DUDE!!!!!!
@@dr_billybob1086 2021 now, march 30th.
I have some screen shots of the Stars moving around the Hole Radio Telescope of course shows the years. Pretty Cool. HIGHLY COMPELLING !! LOLOL
ua-cam.com/video/A-gdBOpyRGg/v-deo.html
They're great, the quality and production value is really good. (Though I did notice the aspect ratio was too tall on some parts)
Keep us up to date and keep up the great work!
hi 💀 it's 2022 now
Can't believe this vid already more than 10 years. Still absolutely fantastic quality.
ua-cam.com/video/A-gdBOpyRGg/v-deo.html
In the mean time (2019) an image has been made of the event horizon of M87's black hole, and it's current mass calculation stands at 66,000,000,000 Solar masses.
2020 2020 2020!
Is that a bunch?
@@johnramsey6604 2020 2020 2020 2020 2020 2020 2020 2020!
Coronavirus has been discovered
@@msingh683 im from the future. We all speak mandarin. China used a mild flu to destroy the world economy and force country's like the U.S. and its stupid political leaders to panic and ask the fed to print money like a cheap whore. Meanwhile china bought the bonds and basically purchased the U.S.
Even tho it owned most of it already.
I must go they dont allow the first amendment like americans used to.
"Then, at that very moment" really means 20,000 years ago.
Not in the reference frame of the photon, in that reference frame it WAS at that very moment.
Congrats to Ghez and Genzel on Nobel Peace Prize!
Why would physicists get the Peace Prize?
Lol, peace...
*That Back Ground Music Is So Majestic & Nostalgic* ..🔌
They gave once the name of one of the songs. If you want to, I can search for it so you can know it's name.
There are numerous black holes throughout all galaxies but at the center of each is a supermassive black hole, actually a wormhole, conveniently placed for all advanced civilizations within the galaxy to travel throughout the universe and end up in other galaxies.
your theory is probably true.
Interstellar reference
Nonsense
Sounds plausible
@@deekenfrost8258 How do you counteract spaghettification?
Spaghettification
In astrophysics, spaghettification (sometimes referred to as the noodle effect)[1] is the vertical stretching and horizontal compression of objects into long thin shapes (rather like spaghetti) in a very strong non-homogeneous gravitational field; it is caused by extreme tidal forces. In the most extreme cases, near black holes, the stretching is so powerful that no object can withstand it, no matter how strong its components. Within a small region the horizontal compression balances the vertical stretching so that small objects being spaghettified experience no net change in volume
en.wikipedia.org/wiki/Spaghettification
15:20
"...shows what they expect to see just a few years from now..."
**Takes 10 years**
10 years to manufacture a picture of a black hole?
no they are not real or a proven concept in physics, because they published a composite pic of a torus shaped dusty plasma thing. this concept is most likely not real, Wolfgang Kundt who studied astrophysical jets and gamma ray bursts for decades states on black holes: They are a scientific error. If they existed, they would have swallowed us long ago..
it's hip to study the most extreme thing out there, many astrophysics students dream working on BH stuff yet they don't realize its like many contemporary ideas or concepts, only the result of assumptions made with limited understanding and accumulated bias in a peer pressure community setting..
@@runs_through_the_forest Alternative facts? All evidence points to the existence of black holes.
@@Beos_Valrah no it doesn't, if you start from a concept in theoretical physics based on what was then believed to be an approximation of how the universe works, and then you start searching for it and keep adding specific features to that concept based on observations, what do you get?
All evidence pointing to the existence of black holes?? 🔭💩💣
cosmology is a mess and there should be no shame in taking a step back and reassessing lambda cdm and all the accepted nonsense things like dark matter dark energy black holes cosmic inflation and the magical big bang..
when i was a kid...each time i looked at either the dark sky at night or pictures of space...i was scared shitless,my 5 or 6 year old brain just couldn't process a super massive dark place with more that billions of little light dots
same goes for me
Same here. And my mother felt so, too. She gave to me the joy for space. And when I asked her about that fear, she said it is because we see that we are not small, but as much as not existing. We are afraid to disappear complete. So to say it is the same fear like we feel because death. The crying nightmare to get destructed.
I so remember when I lay as a child on the back in the window and looked up to the stats! Suddenly I grew SO afraid, I had to hurry and go away. I never forget it. My mother once spent a night out when we had our vacation in Davos in Switzerland. When she came in in the morning something had changed. She spoke about the planets she had seen 'in a row, and I was just among them. We hung alone in the space in quietness'.
She always said 'space makes me afraid', which she loved, but in that morning she really was as if she had spend the night with a mythological being or so.
@@winterweib ❤️
2020 ! 2020!
"Directly observe" and "black hole" do not belong together in a sentence. No matter what trick you're using, you're still just throwing iron filings at a magnet to see the field lines. I'll take it... Man, I grew up in a time when all these crazier things were still only theories on paper. Just having been able to see images of the stars closest to Sag A* whipping around at such insane speeds has been a real treat. NASA has brought us incredible, priceless gifts from the vast reaches of space, and also much closer to home, and now they're not even the only game in town. NASA, for the first time ever, has plenty of competition, upping the game dramatically. We do truly now live in amazing times, standing on the brink of discovering life on other worlds, cracking the deepest secrets of the universe at an ever increasing pace. The mad divergence we are now seeing between those that understand and accept, and those that freak out and deny, tells us all we need to know about what is coming. This is the modern equivalent of the Inquisition of the middle ages, where whole countries were depopulated of their young women because of fear of witches driven by jealousy and fear of loss of control, where brilliant minds were silenced and millions slaughtered because of unacceptable truths and a desperate desire to cling to dogmas and corrupt belief systems. THIS is the deep breath before the coming storm, the tipping point before we actually begin to transit from Type 0 to Type 1. Most people will be unable to move with it - the tech is moving vastly faster than our own psychological and physical evolution. Our toys are outpacing our minds, and it is terrifying to us. Me? Fuck it, I'm all in. I NEED more. I pray that there's a planet left for those of us that can handle reality after those who can't handle it get done losing their minds. I desperately want to be around to see what comes of all this. :-)
NightRunner417 what will really blow your mind.. Time moves slower toward the center, that creates an opportunity for civilizations that live close to the center to seed life on the edges and watch it grow and evolve at an alarming rate. So they can watch our world rise and fall in kind of a time lapse view.. Ever wonder why we are here? Lol
@@donnyeastman7870 That's not technically true. Accoring to Einstein's theory of special relativity, moving at relativistic speeds or being near a extremely large concentration of mass will cause time dilation. So you would need to be close to Saggitarius A* to experience time dilation of any large degree relative to our current time.
I like your way of thinking.
Space is fake !! We live in a dome !! Star trails prove the Earth is stationary!!
Sounds like u need elons nuerolace have u heard of that shit it jacks ur iq instantly way over 200+ apparently and puts u on terms with the likes of tesla and co sounds amazing to me and elon said hes gonna do em for free cos as soon as u get it u can make urself proper rich straight away anyways sounds a bit too good to be true tho to me there has to b some downsides to having a foriegn object wired directly into your brain and spinal column but i wonder what they Are lol? G
The idea of black holes scare me shitless, so why am I watching this just before I'm about to go to bed? XD
+Snoogen11 It is good to have to scare put into you from time to time, helps you survive better.
I mean. The closest black hole that we are certain of where it is, is in the galaxy center. So 50,000 light years away. So even if we began moving towards it at the *speed of light* it would still take us 50k years to get to it. Thus there is no reason to fear black holes. But rather, to have respect of them, and respect for their awesome power
it's 25000 ly .... and the closest one to us is obout 3500 ly away! and yes you don't have to be afraid of it.
Snoogen11 At least you'll have peace of mind that you will not be blamed for shitting in the bed after watching this video.
Black holes fascinate me so fucking much I think black holes are awesome and again being afraid of something helps let you learn about them
The recreation of the black hole at 7:03 is one of the best I have come across... I learned before that the interstellar movie also simulated a black hole similar to this, but the colorful-ness of the black hole might confuse the audience, so they went for the more obvious way. I've been wanting to know what a "colorful" black hole might look like, and the simulation presented here is gold. I love how the visual gets distorted as the camera shifts positions
Id love to see a real picture of a supermassive black hole
SpaceRip, this video is fantastic! Thanks for creating & sharing it ✨the techniques devised to sharpen images are incredible
This is so fascinating and beautiful! It is incredible just knowing that we don't actually know what is going on out there in the universe.
Hello from the future
The almighty algorithm has brought us together once again.
One question, if the black hole ejects such powerful jets despite such intense gravity then why not light? We can see the jets which means they are also light... right... so why its still black.... the question may be a stupid one, but please someone answer/correct me in this regard.... :-)
It's never stupid to be curious, only stupid to turn your back on learning. I salute you for asking. :-)
Any form of light that gets into the event horizon cannot escape, so the hole itself remains black. At the jets, however, the emissions are powerful beams of X Rays and gamma rays if I recall right. Think of it like you do infrared light. Strong IR at 10000 nanometers feels warm, but you don't actually see it. Microwaves, same thing. When the jets go off, they are very bright in x and gamma, which is where you get the terms XRB and GRB from. Someone can come correct me if I'm wrong. No flat earthers, please. I just ate.
BTW, the science of why X and gamma specifically has to do with energy levels. Low energy events like bomb blasts and solar flares can be visible because the electron voltage is low, thus driving lower frequencies of light. Welding arcs emit fierce amounts of UV because the electron voltage is in that range, and electron tubes make X-rays because their electron voltages are in *that* range. These cosmic events deal in megavolt through gigavolt energy ranges and beyond, thus driving X, gamma and "cosmic" ray frequencies.
Black holes eject matter and light only during a "feeding phase". Polar jets are a byproduct of collisions which occur in the accretion disk. Once the feeding phase is over (our galaxy's supermassive black hole is quiescent just now) the black hole will revert to be being invisible, though its presence can still be inferred by its effect on other objects in line of sight (gravitational lensing) and by working out the paths of objects rotating around it.
Ok... didn't know all this... :-) Thank you so much for taking out some time and replying to this, thank you :-)
Thank you so much for clearing a big confusion as well as curiosity of mine regarding these black holes.... thank you so much :-)
I heard 200 billion stars, but - it just proves we have no idea.
Just did a few sums. Photographing the Super Massive Black Hole at the centre of the Milky-way, is equivalent to photographing an object 1cm across at a distance of 28,000 km (approximately). Pretty amazing eh!
galaxies would be like fucking massive stars that have exploded and turned into galaxies with black hole inside
The updated version doesn't work huh , Sounds suspicious.
How can something so beautiful be so violent. But in the end the universe is still amazing. :D
This recommended video is 13 years old, for that reason alone I Liked and Subscribed.
I think there's something wrong in how we visualize Black Holes, one being a vortex "tail" that extends in only one direction to a singularity, the other is that there is no "other side" of a black hole; the gravity and infalling matter must be equal from all directions, just as the craters on the dark side of the moon, matter must also fall upon the dark side of the black hole, that would be the other side of a "black hole". Being that we can occasionally produce and trap anti-matter in our accelerators-colliders at what must be a very low end of the energy/density scale compared to that of a black hole, I think a black hole is like another state of matter, or rather anti-matter being that light cannot escape it may be annihilating with matter, that matter is creating the anti-matter, and therefore even light cannot escape because it too is being annihilated. What is left is another form of plasma or an anti-matter soup, clearly much more super compressed in density beyond that of neutron stars, that a black hole is literally an antimatter factory. What we are seeing in the accretion disk, aside from its accelerated spin beyond what we can produce is the bulge or Torus of the black holes magnetic field, and its magnetic compression into jets. Obviously a much higher state of fusion. It's when a black holes jet's source out from the singularity, is where the vortex model disappears.
That gas cloud never led to an “eruption”.
We are from Singapore, we can't see awesome constellation stars and stuff like that.
What part of heaven do you see, if I may ask? Northern or southern hemisphere?
I would love to know, since then I could tell you what beautiful things you CAN see :)
I would love to see the southern sky. I fear I never will. But today I read"...but the North has the beauty of the summer hexagon and the winter triangle'. And several constellations and stars are only visible in the north.
I just Google. You ARE on the northern hemisphere, but not so far away from the equator.
So I think you nearly see, as on equator, half northern and half of southern sky.
I am sure your sky looks incredible wonderful! I wished we could look together on it and talk :)
Don't be sad! I am sure you can see many many wonderful things in the sky.
Greetings from Germany!
@@winterweib I think light pollution is the problem in Singapore.
i just hope we find the mass relays soon and we get to see all this for ourselves =3
They are there for “universal recycling”. Black holes are the beginning and end of galaxies, suns, planets, etc. They are an important factor in the cycle of becoming, growing and passing away.
These documentaries keep giving me shivers.
this was in the year I was born hold on THAT'S WHY I LOVE SPACE
If we notice the time the star S-2 took to reach the "exact same" location/spot as where it was first discovered at, it takes almost 6 years to complete a revolution of more than 90 degrees. Clearly, it should take less than this time to make the next close-turn around our Sagittarius A*. And seeing the number of years passed since 2008, it must have been done till now! So, why is there no news regarding it?
+Swat Boy Unless you have a degree in astrophysics or other such fields, you have no right to comment as you have.
***** Haha, never mind. Just curious.
i though the same exact thing. you dont need a degree to make such conclusions. its common sense, its a track of a pattern, if the pattern was that simple and true. its prob either more complex or false. I will put my opinion that it is both more complwx and not as accurate as show in this video. there is prob more data that hasnt yet been discovered
Xavier Carrera Yes, something for sure is missing there!
Swat Boy what the fuck are you talking about?
beautiful universe!!!
It is logical that in the middle of every galaxy exists a black hole. It's like the heart of a tornado.
I actually see what your saying hut would raise the idea that it would be more like a whirlpool and would it be possible that in fact the way galaxys spin and subsequently suns and planets is from the gravity that the black hole in fact generates?
Yeah, they can't live without black houls, because they have no energy in themselves.
@@mihaela255 id speculate literally nothing else can explain the spinning of galaxys or planets.
I think so. There' s God' se energy into it.
@@mihaela255 not god. The answer is all in front of us.
What does an ⚛ look like?
From what I understand is that the gravitational pull is weakest at the poles, and because of the intense speed at which a blackhole supposedly spins, it is ejected from the poles.
It's this type of video that akways leaves me feeling small.. Do you feel the same way after this?
Thing is they're full of shit. The Bible says that God maybe Earth and the Earth is on 4 pillars, not floating in the air and spinning around and fucking circles! We have a firmament and therefore we can't reach the Moon and we can't leave our planet Earth atmosphere! We can't get past the firmament so everything that you've been taught about space is bullshit. Very sad to know I'm 43 and everything I've been taught up till now other than what is written in the Bible is literally deception and lies and intentional misdirection. The world needs to wake up realize every single thing we've been taught and told is not the truth but what Lucifer wants us to know. Now if God said it in the Bible that is my authority that it is something I am to do or allowed to do. If it's not in the Bible and God does not approve of it because it is of the devil and not okay. Every single thing we've been taught it's a lie. Wrap your head around that!
@@repentANDobey Read Job chapter 38, in this chapter God is talking to Job and asking him if he knows certain about earth, about light, about the constellation. The last chapters of the book of Job are questions to Job. That Job can not answer. Also Jeremiah 33:3
17:25 The eye of Sauron
17:25
hum? so where is the acretion disk due to heating up matter to millions of degrees? that should be visible.
0:10 It is now believed that our galaxy is a barred spiral
Yes. A black hole is a singularity and before the universe expanded it was a singularity. That's why astronomers and physicists really want to know more about black holes, because they provide a view of what was before the big bang. When a really massive star runs out of hydrogen and goes hypernova, it will collapses on itself violently to a singularity. A black hole.
And now, 10 years later we have a real picture of a supermassive black hole, AMAZING
Daniel CP It is a synthetic image. :(
Yes, yes, something important... something strange is going on in this so called bulge. I feel it!
2020!!!!!
Our true "Home Away From Home" when we die!!
No one knows what black holes are "made of". This is truly the edge of physics knowledge. See bbc documentary "the Ultimate Guide to Black holes"
Space is fake !! Star trails prove the Earth is stationary!!
finally a good vid about black holes.
you can see a black hole as missing light, because the light that comes from behind it will bend or be completely sucked in
thanks I really like space
And space likes you too.
You’re cute
“Killer app of its time” LOOOL 😹😹😹
Why doesn't the current generation have more kids like you? Not trying being hipster, or having sexual interaction at a very young age, but just trying to gain as much knowledge as possible.
He said "see somethingso small,so far away" but he's talking about the biggest thing in our galaxy
When that ancient galactic core, containing hundreds of millions to billions of stars, falls in - all hell will break loose.
I wanna visit that place
Hell yeah you said it
Junaid Bari
You will, believe me
Tell us ur experience if u could return
The theory is the larger black hole grows when two black holes collide. The mass of the smaller one transfers into the larger and makes it grow.
The holding quarks together (which at this point, matter is essentially information) break down to become a single, unified object. If the entire earth were put in a ball, about an inch across, this would be a black hole. There is tons of evidence for black holes, such as gravitational lensing, orbital speeds of stars around such black holes, and gamma ray bursts. Also, you should look into Hawking radiation. Hope this helps you "believe" in black holes.
8.07 "Based on Chandra data scientists estimate that a swarm of 20,000 black holes inhabits the inner three light years of the galactic center." Okay, wow... this is one of the most intriguing and mind boggling sentences I have ever read!!!
Since no one was able to answer, I will tell you this. Plasma is made of hot dense atoms of matter where the tempature and static charge have grown so high, that the matter becomes a gas/liquid, PLASMA (AKA the first or 4th state of matter) It has MASS. Enough plasma condensed into one location can have a pretty massive gravity signature. Black holes are non-sense. Bad math at best, because Zero and Zero do not equal infinate density.
i respect you very much for your kind reply and respectful comment.
Let me tell you a story. There was once a boy his name was Tom, This child was bullyed picked on and his family didn't feed him. he asked god to save him from this pain he did it every day. one day he gave up on every thing life was to painful so he stabed himself in the heart and died his family never checked on him it was till he never came down for dinner that they found him. Why did god not help him he was a nice kid with a sad life but he still helped everyone.
This was 10 years ago and now have that black hole image discussed in the video. What's going to happen in another decade.we just have to wait and 'see'.
It's happened before and Earth is still here. The black hole would have to be fairly close. The distance where it would become dangerous depends greatly on the black hole's size.
I imagine the end is when you reach the center. Nobody knows what happens there, though.
Unfortunately due to its nature, it would have to explode outwards at beyond the speed of light to overcome its own gravity, and physics tells us that isn't possible. Physics does not know how the current universe arose from the big bang in the period of time that the universe had a small enough diameter to be of black hole density, but it is the best theory to explain the current observed universe.
Another brilliant film from Rodstein and Lucas!
just incredible! out of 100 videos so far, Ive enjoy thiss one the most.
11 years have passed when I first saw the video and downloaded it ✌
They combine making a larger black hole, most of the black holes present in the universe are combinations of two or more black holes.
to be more exact, the singularity of a black hole has 0 volume and infinite gravity. Anything sucked in past the event horizon is crushed into absolute nothing as it approaches the singularity. Space and time literally don't exist anymore at the center. and it is theorized that black holes eventually dissipate, not explode.
I'm not talking about this video.I'm talking about the whole universe.As you said "Even before we notice something that's related to this black hole, we're already gone."well then i want to make a theory that would last for generations so that when we die we will all still be remembered.
Who knows this video would predicted future so perfectly 12 years ago
My science teacher i had in gr.6 (i am currently in gr.9) he had a theory about the big bang that i heard first and only from him so far so im not sure if he thought about it or got it from someone. The theory was that like you said the big bang was caused by a massive explosion of a insane amount of mass. His thought is that the universe will eventually implode on itself forming a huge ball of mass then will explode again and keep going in a pattern like that.
A Black hole is one of the few (or only, not sure) outcomes of a sun losing the battle of mass V fuel that results in a high gravitational pull, without any visible parts of itself. In a superficial sense (according to my very limited understanding), a black hole /is/ an imploded sun that no longer emits light, and now 'generates' heat through gravitational friction, rather than thermonuclear fusion.
Don't quote me on this though, it's just my own understanding and likely to be wrong somehow!
Certainly the escape velocity is computable. If that velocity exceeds the speed of light, then the object is a black hole.
To coin a 70’s meme….
Black Holes Are OUT OF SIGHT!
How many of you from watching sagittarius a*
I give up-I vote for extra funding for science-education, theory, research and exploration. How much do I write the check for?
As far as I'm aware, it depends on what you consider solid evidence. Regions of 'deformed' space, devoid of light have been seen and calculated, and theorized about. The phenomenon is there, as far as I'm aware, we have nothing but calculated conjecture on what black holes are and how they formed, though the conjecture as well as the calculations use what we know of how the laws of physics function to arrive at their conclusion.
In short: They exist, but we don't know everything about it yet.
Can you tell the narrator to just say for me once: "Wake up, Mr. Freeman. Wake up and, smell the ashes...."
It will be very interesting to see if that star is being "spun up", like our own earth spins-up our own moon via tidal interaction.
A black hole wouldn't fall on to earth. It would destroy it, along with the rest of our solar system, and stars around us.
That's a decent theory, though, in that case, they'd only occur in the center of galaxies. Though you're right about the big things in the universe having smaller versions. The reason things tend to spin is because of a law called 'conservation of angular momentum' one small grain of dust orbiting a bigger one, the moon orbiting us, us orbiting Sol, Sol orbiting the galactic center... That's about as big as the spinning goes, though.
Well, when a black hole gains mass, the event horizon grows larger. I don't think there ever comes a point where it cannot 'hold it's mass'. It just gets bigger and bigger.
Ooooohhh! Guess we should all sell all our belongings and cancel Christmas.
If the gravity of a black hole is so high, why does this black hole not pull the stars around it?
Scientists says nothing is faster then light... but the planets near black hole speed is million mile per second
That’s not even close to the speed of light
I think blackhole give the flat disk look to the galaxy when the beams from the poles erupt and push the gases away and if you push something from up and down its going to stay in between.
Matter doesn't exist inside of a black hole. The gravity is so powerful that space and time cease to exist inside.
What was the ultra tight cluster of stars that is supposed to be from a galaxy we swallowed up? It sure looks like a globular cluster.
oh my dawkins you guys, he didn't ask what would happen if WE got sucked in, he asked what would happen if any star in the Milky Way Galaxy were to be taken in.
The last image is like a picture of an atom
Nature is magnificent
Because we are literally living in a microscopic copy of ourselves we may even be just like a grain of sand on a beach on another earth
Very nicely explained 👌 when S2 will come again closure to S*, is its orbit path measured.. Please explain.
I was under the impression that phone operators wore bikinis and high heels when at work.
I wish this would have told me more about the black hole of the MILKY WAY
K. Not quite a light year. Distance depends on the size of the event horizon.
However, my point was that Meow Cat's idea was impractical, if even possible.
I have a question for all the brains out there; How much mass does plasma contain? Is it a fluid number proportional to it's charge, or a static number based on volume, what?
I think that the mayan calender, stopping on december 2012 is really telling us that the earth will be struck by a black hole, and suck us to disappear
Very informative. Thank you