How did they actually take this picture? (Very Long Baseline Interferometry)

  • Am Vor 3 Monate

    VeritasiumVeritasium

    This is an image of the supermassive black hole, Sagittarius A*, at the center of our Milky Way galaxy.
    Visit www.kiwico.com/veritasium30 to get 30% off your first month of any crate!

    ▀▀▀
    Image of Sgr A* from EHT collaboration
    Event Horizon Telescope collaboration: ve42.co/EHT

    Animations from The Relativistic Astrophysics group, Institute for Theoretical Physics, Goethe-Universität Frankfurt. Massive thanks to Prof. Luciano Rezzolla, Dr Christian Fromm and Dr Alejandro Cruz-Osorio.

    A huge thanks to Prof. Peter Tuthill and Dr Manisha Caleb for feedback on earlier versions of this video and helping explain VLBI.

    Great video by Thatcher Chamberlin about VLBI here - de-film.com/v-video-Y8rAHTvpJbk.html

    Animations and simulations with English text:
    L. R. Weih & L. Rezzolla (Goethe University Frankfurt)
    de-film.com/v-video-jvftAadCFRI.html

    Video of stars going around Sgr A* from European Southern Observatory
    www.eso.org/public/videos/eso...

    Video zooming into the center of our galaxy from European Southern Observatory
    www.youtube.com/watch?v=dXAU0...

    Video of observation of M87 courtesy of:
    C. M. Fromm, Y. Mizuno & L. Rezzolla (Goethe University Frankfurt)
    de-film.com/v-video-meOKmzhTcIY.html

    Video of observation of SgrA* courtesy of
    C. M. Fromm, Y. Mizuno & L. Rezzolla (Goethe University Frankfurt)
    Z. Younsi (University College London)
    de-film.com/v-video-VnsZj9RvhFU.html

    Video of telescopes in the array 2017:
    C. M. Fromm & L. Rezzolla (Goethe University Frankfurt)
    de-film.com/v-video-Ame7fzBuFnk.html

    Animations and simulations (no text):
    L. R. Weih & L. Rezzolla (Goethe University Frankfurt)
    de-film.com/v-video-XmvpKFSvB7A.html

    ▀▀▀
    Special thanks to Patreon supporters: Inconcision, Kelly Snook, TTST, Ross McCawley, Balkrishna Heroor, Chris LaClair, Avi Yashchin, John H. Austin, Jr., OnlineBookClub.org, Dmitry Kuzmichev, Matthew Gonzalez, Eric Sexton, john kiehl, Anton Ragin, Diffbot, Micah Mangione, MJP, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Dumky, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Mac Malkawi, Michael Schneider, jim buckmaster, Juan Benet, Ruslan Khroma, Robert Blum, Richard Sundvall, Lee Redden, Vincent, Stephen Wilcox, Marinus Kuivenhoven, Clayton Greenwell, Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi, Ron Neal

    ▀▀▀
    Written by Derek Muller
    Animation by Ivy Tello, Mike Radjabov, Maria Raykova
    Filmed by Petr Lebedev

hecker
hecker

More space please. This was absolutely amazing. Thanks.

Vor 3 Monate
Dollow Rlance
Dollow Rlance

Kitty

Vor Monat
kf,f kr,d,d [PMD]
kf,f kr,d,d [PMD]

@Adam Plentl I did.

Vor 2 Monate
Jordan
Jordan

Are you and Derek taking some time away from each other?

Vor 2 Monate
prabath r
prabath r

It's our ass-hole lol

Vor 2 Monate
Critical
Critical

Okay guys, give this dude some space, he needs it

Vor 2 Monate
Feng Gao
Feng Gao

As someone working with radio interferometry for over 10 years, I've never seen an explanation of it's working principle as clear and easy to follow as presented here, great work!

Vor 2 Monate
Nethascot X
Nethascot X

Cool

Vor 7 Tage
FiusionMaster
FiusionMaster

Cool

Vor 26 Tage
asioe kiou
asioe kiou

As a fellow teacher, I appreciate your style, communication, and enthusiasm. As a student, I appreciate the content, and ease of understanding it. You have found your calling!

Vor 2 Monate
FiusionMaster
FiusionMaster

@Kippertrace Thanks bro. Have a nice day!

Vor 26 Tage
Kippertrace
Kippertrace

@FiusionMaster yeah, possibly. Good thought though.

Vor 26 Tage
FiusionMaster
FiusionMaster

@Kippertrace I think it would just become white noise m8. I'm not sure

Vor 26 Tage
Kippertrace
Kippertrace

Speed of sound to me, always gets overlooked 'cus lights faster. I love the fact that if you travel at the soeed of sound from a point of your best loved musical chord...youd hear that sound forever. Well untill you stopped. Or, would it just dissipate??

Vor Monat
Leandro Alsina
Leandro Alsina

Derek has a very high quality filmmaking.

Vor 2 Monate
James Giberson
James Giberson

Absolutely blown away how, you can explain something so mind blowing in a very clear and understandable way. I feel lost in some parts of all of your videos and then immediately met with understanding. Just when I think it’s going over my head, you bring it right back. Thank you for all your work and for beautifully sharing/communicating it with us.

Vor 2 Monate
ordinary name
ordinary name

Imagine the education system had teachers like this. Especially younger kids need to be motivated to learn. A professor for older students doesn't have to be the greatest knowledge communicator, but getting middle aged kids to love learning is key to grow future experts.

Vor 13 Tage
Amaranth
Amaranth

10:40 is impressive. Most people never see a visualization of the actual data processing that goes on.

Vor 2 Monate
niduoe stre
niduoe stre

haha that was first clip i've watched from his channel...and after few, i know what that "black hole" ball is ;D

Vor 2 Monate
Advesh Darvekar
Advesh Darvekar

This is hands down the best explanation of a black hole I've ever heard.

Vor 3 Monate
金大英
金大英

* 4:13 to telescope a donut on the moon this was fun example,but i don't know why is it fun... *

Vor 11 Tage
tram nguyen duy
tram nguyen duy

ok

Vor 2 Monate
Janoy Cresva
Janoy Cresva

The difference between the two pictures are bigger than you could imagine. Sagittarius A*’s radius is about the size of Mercury’s orbit, while M87*’s is well beyond the orbit of Pluto. Insane, just how big the universe truly is.

Vor 2 Monate
Sofiane Chaieb
Sofiane Chaieb

Amazingly well explained! I can't imagine an "easier" way of presenting such a complicated and non-intuitive phenomenon.

Vor 2 Monate
soiung toiue
soiung toiue

The fact that I could understand everything you said, speaks volumes about your ability to teach. Thank you for making me feel smarter than I actually am!

Vor 2 Monate
Gabriel Malek
Gabriel Malek

hey man, just wanted to let you know that you're awesome for making these videos, it's been close to a decade of just top notch quality content and we appreciate it

Vor 2 Monate
Fadi Afa Al-Refaee
Fadi Afa Al-Refaee

Hello Derek, I applaud as excitedly as I can what you do; thrilled my pre-teen children look forward to each of your videos and deeply satisfied and comforted when they walk away fascinated and excited how they learned a fundamental and complex concept that might have otherwise been too difficult to grasp. I feel less disappointed as a father bent on staying in "scientist" mode that you and the videos you deliver exist! You have my eternal gratitude and my undying support!

Vor 2 Monate
cgPlays
cgPlays

that’s really cool dude

Vor 2 Monate
Just Some Guy without a Mustache
Just Some Guy without a Mustache

Absolutely jaw dropping how inconceivably huge these supermassive black holes are. I always love it when Veritasium delves into the topic of space.

Vor 3 Monate
Allah's_slave مدح غير الله ظلم
Allah's_slave مدح غير الله ظلم

The big bang mentioned in the holy qur'an: Have not those who disbelieve known that the heavens and the earth were joined together as one united piece, then We parted them? And We have made from water every living thing. Will they not then believe? Al_anbiya : 30 And the expansion of the universe mentioned in the holy qur'an : With power did We construct the heaven. Verily, We are Able to extend the vastness of space thereof Adh-Dhariyat : 47 moon and sun revolving mentioned in the holy qur'an: It is not for the sun to overtake the moon, nor does the night outstrip the day. They all float, each in an orbit. Yasin :40 The earth and the sky is round because diameter means a circle: O company of jinn and humans! If you can pass through the diameters of the heavens and the earth, then do pass through. But you will not pass through except by an authority [from Allah]. Al rahman :33 The Black holes that sweeps around mentioned in qur'an : I swear by the hidden, neighborhood sweepers, And by the night as it departs, And by the dawn when it breathes,Verily, this is the Word (this Qur’ân brought by) a most honourable messenger [Jibrîl (Gabrîl), from Allâh to Prophet Muhammad. Al takwir: 15_19 Stars fall into the black hole mentioned in the Qur’an: I swear by the star when it falls An najm :1 I swear by the falling stars, And it is a great oath, if you knew. Al waqiah: 57- 76 Earth's shrinking crust mentioned in qur'an: See they not that We gradually reduce the land from its outlying borders. And Allah judges, there is none to put back His Judgement and He is Swift at reckoning. Ar rad: 41 The water evaporated from the ground, returned to the clouds, and then fell as rain: By the sky which returns [rain] Altarek :11

Vor 5 Tage
Roo sh
Roo sh

@FREE HUMAN You’re right about beliefs, but you sound like someone who is resentful purely due to not being able to understand something.

Vor 15 Tage
Roo sh
Roo sh

@FREE HUMAN LOL @ this troll’s name 🤣

Vor 15 Tage
FREE HUMAN
FREE HUMAN

Its fake

Vor 16 Tage
MrVipitis
MrVipitis

For the first time, I felt like I understand how the diffraction limit actually works for interferometry. It's not only applying for radio wavelengths but also optical wavelengths. And it also combines a concept of a paper I read half a decade ago that for me interested in a lot of stuff. You can reconstruct a high resolution image from a few random samples by interpreting it as a sum of frequencies it only works if the samples are really random. Something about L1 reconstiection. I gotta find it again and read it with my gained knowledge since.

Vor 4 Tage
Anwesh Das
Anwesh Das

It's so fascinating to see concepts of Wave Superposition, Hugen's Principles, Young's Double slit experiment and Reflecting Telescopes I am currently studying in high school being applied to get images of a real black hole..

Vor 2 Monate
Bill Moyer
Bill Moyer

the double slit experiment never considered phase shift

Vor 2 Monate
George Saliba
George Saliba

The double slit experiment is one of the most simple, yet also florid experiments, very intriguing!

Vor 2 Monate
Mike Delgrande
Mike Delgrande

Man, thank you for making these videos. I’ve been obsessed with astronomy and Astro physics my entire life but you somehow have a way of explaining things that helps me to understand better than ever. I’ve thought about that image of a black hole from interstellar for years now trying to figure out why it looked the way it did. I knew it had a lot to do with the mass and warping of space time but this video is so informative. Thanks again for the great content.

Vor 2 Monate
Joseph Amiegbe
Joseph Amiegbe

You spoke my mind exactly 💯 🙏🤝. I too have been obsessed with Astronomy and Astrophysics since 8th grade. This channel has awesome content and delivery. Astronomy is the reason I majored in Geology. And my high-school physics knowledge and independent study is why I understand much of his content. I love science.

Vor 2 Monate
Jonathan Stanford
Jonathan Stanford

A question for anyone who knows… I always wondered this: How does it not take tens of thousands of years to receive a picture back if they are using infrared light which travels at the speed of light and Sagittarius A* is 25,640 light years away?

Vor 2 Tage
MrMattie725
MrMattie725

The craziest thing to me is that these images just confirm our theories. We had visuals of black holes purely based on the Maths. A random guy on the street could have a decent image of a black hole because a movie did the effort to represent it correctly (minus the lighter and darker parts). And only a few years later, we manage to take a picture which just happens to be exactly what we expected.

Vor 3 Monate
Allah's_slave مدح غير الله ظلم
Allah's_slave مدح غير الله ظلم

The big bang mentioned in the holy qur'an: Have not those who disbelieve known that the heavens and the earth were joined together as one united piece, then We parted them? And We have made from water every living thing. Will they not then believe? Al_anbiya : 30 And the expansion of the universe mentioned in the holy qur'an : With power did We construct the heaven. Verily, We are Able to extend the vastness of space thereof Adh-Dhariyat : 47 moon and sun revolving mentioned in the holy qur'an: It is not for the sun to overtake the moon, nor does the night outstrip the day. They all float, each in an orbit. Yasin :40 The earth and the sky is round because diameter means a circle: O company of jinn and humans! If you can pass through the diameters of the heavens and the earth, then do pass through. But you will not pass through except by an authority [from Allah]. Al rahman :33 The Black holes that sweeps around mentioned in qur'an : I swear by the hidden, neighborhood sweepers, And by the night as it departs, And by the dawn when it breathes,Verily, this is the Word (this Qur’ân brought by) a most honourable messenger [Jibrîl (Gabrîl), from Allâh to Prophet Muhammad. Al takwir: 15_19 Stars fall into the black hole mentioned in the Qur’an: I swear by the star when it falls An najm :1 I swear by the falling stars, And it is a great oath, if you knew. Al waqiah: 57- 76 Earth's shrinking crust mentioned in qur'an: See they not that We gradually reduce the land from its outlying borders. And Allah judges, there is none to put back His Judgement and He is Swift at reckoning. Ar rad: 41 The water evaporated from the ground, returned to the clouds, and then fell as rain: By the sky which returns [rain] Altarek :11

Vor 5 Tage
avg office fan
avg office fan

@Damian Kinzler I never understood the popularity of said theory. If it is true, it's unlikely it will change anything.

Vor 7 Tage
ordinary name
ordinary name

@Paul Allen’s Cards Mathematics is mankind's greatest achievement by far. Just imagine where we'd be if all of our coordinated effort would be focused on advancing science. One can only dream...

Vor 13 Tage
Alibongo
Alibongo

@Noah Smith A clever observation. There is debate in theology as to what defines a 'day' in Genesis. You could be excused for thinking it was obvious. I may say that Mike Tyson was a good fighter back in his day; but we would both know I did not mean a literal day but a period. Christians believe God to be without limit, so yes, could create everything in a mere moment but could anything be said to exist in a blink of an eye, in a universe with time? Why would 7 days be any different to 7ms - one seems sudden to us certainly. Christians believe that God is not confined to constraints such as time. Moses may have written Genesis in 5th or 6th BC when humans were nomads not settlers (yet). How would you explain these concepts to them? Perhaps breaking it down would be a good start, perhaps using everyday terminology. Phase 5 saw the creation of birds but I would think that no one would interpret that to mean that all birds had to be born on that day? Any more than we would say that all stars are born in phase 4. At Genesis 1:2 God is hovering over water but water has not been created yet - thus, Genesis, the creation story, is not a literal interpretation as you seem to contend it must be. Your eyes are as blue as the ocean we both know does not mean your eyes are oceans, it's descriptive writing and Genesis is describing events we cannot possibly ever seek to understand in any amount of time... because we are limited by the physical capacity of our brain, even collectively speaking. I hope my viewpoint bring as much fascination as yours did 😊 @Brain Hale I disagree with your approach and implore that you seek truth in his Word not things you find on the internet that are easily disproved.

Vor 18 Tage
bananian
bananian

Ikr, I wish interstellar came out after this because this looks like someone took the interstellar black hole and just blurred it.

Vor 18 Tage
Wolfgang Engler
Wolfgang Engler

Thank you for yet another truly informative video! Your seamless blending of math and physics theory and experiment through the lens of practical and intuitive pictures is really amazing! Making Fourier Imaging for General Relativity comprehensible to grade school kids, this takes real grace and empathy, as well as all the requisite math and physics: science and math education magic!

Vor Monat
soiung toiue
soiung toiue

Your dedication and interest to make us understand the concepts are extremely adorable. This is the best explanation I have ever seen on the internet.

Vor 2 Monate
vuong tran van
vuong tran van

ok

Vor 2 Monate
Cyrus Leung
Cyrus Leung

As always, truly quality work! Thank you for all the hard work you put into these videos! Feels like a professional documentary every time

Vor 2 Monate
E
E

Goosebumps! The power of mathematics and science. Forever in love with knowledge! Great work Derek, thank you.

Vor 2 Monate
bcvbb hyui
bcvbb hyui

As always, truly quality work! Thank you for all the hard work you put into these videos! Feels like a professional documentary every time

Vor 2 Monate
misolou fout
misolou fout

The fact that I could understand everything you said, speaks volumes about your ability to teach. Thank you for making me feel smarter than I actually am!

Vor 2 Monate
Great A'Tuin
Great A'Tuin

Thank you so much for the visualisations. Even though I am interested in astrophysics for decades, I found few explanations which show in a simple yet accurate way how astrophysics actually work.

Vor 2 Monate
Taylor Eke
Taylor Eke

I really love that veritasium doesn't talk down to me. It's simplified, but so much more information than other learning sources ever give me.

Vor 2 Monate
Aieou Savren
Aieou Savren

The explanation and practical demonstration of the way the "image of a black hole" is formed, starting at 10:41, is really marvelous! Great job, Veritasium! I really love that very hands-on prop he used.

Vor 3 Monate
Dmitriy Tuchashvili
Dmitriy Tuchashvili

@Dick Urkel yeah, more like 80% of the previous video

Vor 3 Monate
Dick Urkel
Dick Urkel

It's just clips from the previous video on the topic though, right?

Vor 3 Monate
derb
derb

@Birbdad I'm an adult and couldn't grasp it until this brilliant physical demonstration

Vor 3 Monate
Birbdad
Birbdad

Yeah, it's pretty genius to make an actual model in such a way. Great way to teach it to kids.

Vor 3 Monate
Johnathan Krausrig
Johnathan Krausrig

The grade of precision and Detail you provide is superb! Thanks for explaining how the Radio telescopes working together. I was looking for a explanation for that since we got the first picture of a blackhole

Vor 2 Monate
Biggus Dickusss
Biggus Dickusss

excellent presentation, excellent work done by the animators on this, really expains everything well.

Vor 11 Tage
Magneto
Magneto

What a great explanation of how the event horizon project obtained the black hole image! I have watched the documentary ‘Black Holes: the Edge of All We Know’ more than once, it would have been good to have this description/demonstration of how the multiple telescopes worked. What a great video, as always. Thank-you Derek/Veritasium for this understandable explanation.

Vor 2 Monate
Márton Nagy
Márton Nagy

Derek is one of the few Youtubers (= Science Educators) making YouTube making sense at all. It is incredibly hard to explain complicated topics in a way that any reasonably educated people can understand. Great work!

Vor 2 Monate
marcoscolga24
marcoscolga24

For anyone who complains about black hole images being blurry: 0:28 On a more serious note, seeing the image come together at 10:30 literally dropped my jaw. It's so incredible watching seemingly unrelated patterns coalesce into such an incredible image.

Vor 3 Monate
Jay Eff
Jay Eff

@Sisaska You can definitely believe in God as a scientist. All that a scientist can interfere with is the creation, if you want to call it that way. We can't use science to proof or disprove God. But I have a problem when religion contradicts science. That's like saying God is misleading us by putting us in a universe with all these rules, where we can predict outcomes correct and create a consistent image of the universe without contradictions, but the bible says something else which contradicts those rules. How about saying that nothing existed yesterday and this morning God created the entire universe with you and me and planted memories of our past life straight into our brains. God could certainly do it, and it is not less logical that saying the dinosaurs where flushed away by water and somehow became stone just 4400 years ago.

Vor 3 Monate
Hubburasool
Hubburasool

Quran 56 - 75, 76 This is the verse which says that the place where the stars fall and. , 77-8 The part that says when the stars are extinguished) This part needs to be defined interprited(For those who mock Quran 109 -6 to you is your religion,and to me,,my religion)

Vor 3 Monate
Christian Augustin
Christian Augustin

@Brian Hale To see a star ignite you would need to know where to look, and when to look. The number of stars in existence is not the number of stars igniting, the sky is incredibly large. And it is not as fast a process as you might think, as it is not like the explosion of an H-bomb (or it would rip the star to shreds). You could look at the Wikipedia page to get a better grasp of how a star is "born", and how hard it is to actually "see" it, than come back and refine your argument.

Vor 3 Monate
marcoscolga24
marcoscolga24

@Brian Hale Smooth preaching segue man

Vor 3 Monate
XVITNG
XVITNG

Wow. This was amazing It continuously blows my mind how much insane effort and intelligence goes into every discovery that the brilliant scientists find , that all of us just google and read about. Like it’s amazing the minds that actually figure these things out.

Vor 2 Monate
seeni gzty
seeni gzty

As always, truly quality work! Thank you for all the hard work you put into these videos! Feels like a professional documentary every time

Vor 2 Monate
soiung toiue
soiung toiue

Wow, great graphics. Zooming into the center of the Milky Way is an experience.

Vor 2 Monate
Sudip Bishwakarma
Sudip Bishwakarma

This is mind bending. Your explanation is so easy to grasp given the complexity of the subject matter. Now I have some level of understanding when I look at the image. Thanks! 😁

Vor 2 Monate
Gamer X 2,000,000
Gamer X 2,000,000

is it possible to understand how spacetime warps around the black hole from every angle at once (like in a sphere) without being able to perceive 4 dimensional space??

Vor 2 Monate
History Dose
History Dose

Somehow “supermassive” still sounds like an understatement. I vote for “SuperDuperMassive”

Vor 3 Monate
刘瑞琪
刘瑞琪

A term that Richard Feynman would use lol

Vor 2 Monate
mdd1963
mdd1963

WHen one has a black hole equivalent in size of the area encompassing the radius of the Sun out all the way out to Jupiter's orbit....; that's relatively....BIG!

Vor 2 Monate
Sean Ferree
Sean Ferree

Haha!! Love it

Vor 3 Monate
Hubburasool
Hubburasool

Quran 56 - 75, 76 This is the verse which says that the place where the stars fall and. , 77-8 The part that says when the stars are extinguished) This part needs to be defined interprited(For those who mock Quran 109 -6 to you is your religion,and to me,,my religion))

Vor 3 Monate
Naud van Dalen
Naud van Dalen

This is a really interesting and informative video about black holes. It's very impressive how astronomers have been able to create this image of the Milky Way's black hole.

Vor 2 Monate
Juan José Pérez Caridad
Juan José Pérez Caridad

This is the most understandable explanation I have seen of the operation of a radio interferometer. The graphics are very clear and awesome. Thank you so much!

Vor 2 Monate
Churail Officials
Churail Officials

The way you describe the 'Earth sized" telescope at 10 minutes was so perfect.

Vor 2 Monate
Денис Сиренко
Денис Сиренко

Thanks Derek! But it still remains unclear to me: if the accretion disk can be directed towards us, then why can't we see its leading edge crossing the central region of the image? After all, some of the rays from it are not directed in orbit around the black hole, but directly towards us, and, in theory, should not change their trajectory (well, or almost).

Vor 2 Monate
Sol M-J
Sol M-J

@trbz_ We are looking at both poles. Our black hole's accretion disk isn't inline with the galactic plane.

Vor 2 Monate
Денис Сиренко
Денис Сиренко

@trbz_, It does not have to be thin, only if disc crosses black hole exactly in the middle, which is very unlikely. Unless, of course, there is some correlation between the planes of rotation of the accretion disk and the entire Milky Way, as a result of which we automatically look at the disk exactly from the side.

Vor 2 Monate
trbz_
trbz_

For the M87 black hole, it ended up being that we are looking towards it from a pole, rather than from the side. For Sagittarius A*, the resolution is too low to be able to make out the thin bisecting line of the disk.

Vor 2 Monate
Achintya SG
Achintya SG

10:31 the way the black hole's picture appears from just black and white lines, is truly amazing.. hats off to the people who took this amazing image of our closest supermassive black hole

Vor 3 Monate
Notsoquiet
Notsoquiet

Truuueeee..

Vor 2 Monate
DerVerdammte
DerVerdammte

@West_47-122 no, everybody should learn

Vor 2 Monate
SH4BBI
SH4BBI

@Kyle Foster "One day computers will be as good as they were back in 1969 and they will be capable of doing such things." wat?

Vor 3 Monate
Kyle Foster
Kyle Foster

Yeah man if you pay a good computer graphics guy to make anything out of basically nothing. I took a picture of my racing streaks from my underwear, they were just some brown lines on white underwear. I sent it to this guy on fiver and he was able to render it and it turns out was an exact copy of an irregular galaxy they really do some amazing work. I find it really interesting how I took photos of my house over a course of several years. In some pictures my windows are the size of my door and then they look as they should in other pictures. I discovered this phenomenon when looking at pictures of the earth though the years and noticed the continents are all different sizes in each picture. Space is some really crazy stuff, one day I hope we can re-build the telemetry data on how to leave low earth orbit and go to the moon. One day computers will be as good as they were back in 1969 and they will be capable of doing such things.

Vor 3 Monate
alan smithee
alan smithee

@streuthmonkey1 There was no image taken by the telescopes, they took light phase and timestamp data. That data was used to construct an image after the fact. The number of pixels in that final image can be however many or as few as you want, and it doesn't change the quality of the input data. What exactly are you referring to?

Vor 3 Monate
Muma VM's Creativity
Muma VM's Creativity

Really amazing explanation. So if i could imagine a photon as a person in a photonsphere, it would see itself in entirety as if observing images of itself from a single circular mirror but not from the objects' viewpoint itself, rather from the photonsphere's point of view, as if the photonsphere itself is the photon! It's totally awesome. By the way am not a scientist. I just appreciate space science 🙃 You have a new sub!

Vor 2 Monate
Muhammad Nuzaif Khan
Muhammad Nuzaif Khan

17:52 It would be the last thing we may see if were near the black hole😂 But you explained it all very nicely and really expanded my knowledge and imagination.

Vor Monat
Decreasing_entropy
Decreasing_entropy

Sweetly explained! Really insightful and something that I inadvertently committed to memory, without even trying too hard. P. S.- I would suggest a follow up video explaining wave optics a little more.

Vor 2 Monate
Nat Levasseur
Nat Levasseur

Thank you for explaining how the image was obtained. I love learning about the science and techniques used to arrive at a discovery, or in this case, in getting an image of something so incredibly far away.

Vor 2 Monate
bouytt guyt
bouytt guyt

not in anyway inferior to those who look up at the sky and solve the mysteries of the Universe.

Vor 2 Monate
Kevin Godfrey
Kevin Godfrey

I'm not even gonna pretend otherwise, the arts and crafts really helped me get a true grasp of what you were describing. Perfectly demonstrated

Vor 3 Monate
Suhail M S
Suhail M S

Qawareta sail Lu kune kuse

Vor 2 Monate
Sean Ferree
Sean Ferree

Same!!

Vor 3 Monate
Ottee2
Ottee2

Same. Definitely helped me to understand the physics.

Vor 3 Monate
ma3ath al3rab
ma3ath al3rab

Yeah me too

Vor 3 Monate
soep
soep

Amazing video! So clearly put and professional. I love these videos even though I hate maths at school.

Vor 2 Monate
Discount Jesus
Discount Jesus

I absolutely love these videos. It's both expertly explained and made visually understandable. As someone with autism who loves learning these videos are my favorite. A cool video idea I thought of is talking about the 10 and 12 dimension theories. It's one of my favorite subjects and has cool math and history behind it.

Vor 2 Monate
Philip Dahlheimer
Philip Dahlheimer

Great explanation. Don't remember this being taught in my 1983 "Black Holes" college course.

Vor Monat
Code Bit Cookie
Code Bit Cookie

Amazing video as always, you're the best at this Veritasium!

Vor 2 Monate
The Boots
The Boots

I've gotta hand it to you-- this was one of the most easily understandable explanations of why we see what we see in these pictures I've ever experienced. Absolutely outstanding work of science communication that makes incredibly complex material understandable without dumbing anything down.

Vor 3 Monate
Merlin
Merlin

@Hubburasool Your Quran surah 56 verse 76 - and this, if only you knew, is indeed a great oath— Your Quran surah 56 verse 77 - that this is truly a noble Quran, Your Quran surah 56 verse 78 - in a well-preserved Record, Literally none of those mention about stars whatsoever, it's pathetic how people like you make up things.

Vor 2 Monate
Hubburasool
Hubburasool

Quran 56 - 75, 76 This is the verse which says that the place where the stars fall and. , 77-8 The part that says when the stars are extinguished) This part needs to be defined interprited(For those who mock Quran 109 -6 to you is your religion,and to me,,my religion)

Vor 3 Monate
Rafał Pawłowski
Rafał Pawłowski

The sequence generating black hole image from those stripes was a real mind = blown moment.

Vor 3 Monate
Kaveh Bak
Kaveh Bak

So perfectly explained, learnt a lot :)

Vor 2 Monate
Sauron's Right hand man
Sauron's Right hand man

I tried to explain to someone why the picture of Saggitarius A* was so impressive, by describing it as taking a picture of a rabbit in the middle of a jungle, using an out-of-focus camera while standing a hundred miles away. But I think your analogy of a donut on the moon gets the point across better.

Vor 2 Monate
KLC
KLC

The interesting thing is that I never passed my physics exam in schools but but I still get fascinated by astronomy and physics. Which is weird to me.

Vor 2 Monate
Andrew L
Andrew L

This makes so much sense. Now, I can kind of explain how this image was created to someone so knows even less than me.

Vor 2 Monate
Dominic LoBue
Dominic LoBue

As technically impressive as these renderings are, the clip showing those stars zooming around apparently nothing is what blows my mind. I feel like I could watch that for hours and still be fascinated...

Vor 3 Monate
Brian Hale
Brian Hale

@Cdog Thehedgehog God is not going to offer us anymore evidence for his power and skill other than the gigantic Planet crammed full of amazing creatures on which he has placed.

Vor Monat
Cdog Thehedgehog
Cdog Thehedgehog

@Brian Hale Fairy tale enthusiast. You creeps give me the chills.

Vor Monat
GetMoGaming
GetMoGaming

You did it again, Derek! I always wondered why there seemed to be more than one accretion disc. Absolutely fascinating.👍👍👍

Vor 2 Monate
QQpapababy
QQpapababy

Thanks for the excellent video to explain the observation of the blackhole. So far, the scientists have taken images of two blackholes with shining rings surrounded. Does it means the imaginary pictures of a dark circle represented for a blackhole need to be replaced by the ring-like images?

Vor 2 Monate
Keller Eclub
Keller Eclub

I'm fascinated by Black Holes more by their ability to slow time down. And the closest safe habitable zone so someone can stay there to experience the slower time. I hope more videos like this can be made.

Vor 2 Monate
jameswhatsit
jameswhatsit

Thankyou for your explanation, while I’ve known about the gravitational lensing of those images, this is the first time I’ve managed to comprehend it! Question for a space themed video, why do most orbits seem to follow a “2D (to the scale)” path (ie. solar system and milky way galaxy are normally pictured with “flat” orbits). Is this a pop-science misconception, gravitational or statistical cause, or some weird spacetime thing?

Vor 2 Monate
jameswhatsit
jameswhatsit

@H. de Jong thank you :)

Vor 2 Monate
H. de Jong
H. de Jong

When you have a cloud of material that contracts, it starts rotating. any velocity vector perpendicular to that rotation tends to be cancelled out by collisions, and all matter ends up orbiting in the same plane.

Vor 2 Monate
Aleis in Wndrlen
Aleis in Wndrlen

In 2019 we had our first ever look at a black hole, pretty much confirming Einstein's theory of relativity, made over 100 years ago. And 3 years later, we finally captured the image of our galaxy's centre, which was for the longest time thought to be near impossible due to the many space debris and dust clouds covering it. It's truly fascinating to see how far our technology has improved in just a span of a few years.

Vor 3 Monate
ordinary name
ordinary name

@stevey_pro Dude the concept is so simple: sky daddy. You just believe what you wish to be true and you don't even know it.

Vor 14 Tage
Tucsonan Dude
Tucsonan Dude

Actually, it is NOT einstein's theory of general relativity. It was plagiarized from Hendrik Lorentz and credited to that overly-glorified patent clerk.

Vor 2 Monate
pyropulse
pyropulse

the 2019 image was only 2 pixels; it literally confirmed nothing, as advanced mathematics they used can literally produce any image you want. The just threw out all the image processing that didn't look like a 'black hole.'

Vor 3 Monate
Gamer X 2,000,000
Gamer X 2,000,000

the light warping reminds me of that one dev log for hyperbolica where he showed what it look like for us if we experienced spherical geometry.

Vor 2 Monate
Ian Yin
Ian Yin

Well explained!!! It's the first time I truly understand the meaning of the Black Hole photos. Thank you!

Vor 2 Monate
Min Lee
Min Lee

Thank you so much for explaining how scientists captured the image. I gonna show my 6 y.o. this video this week. He will be amazed by the findings! Btw, he was the one who taught me event horizon!

Vor 2 Monate
waverlh
waverlh

Fantastic content, as always. Great explanation.

Vor 2 Monate
Paul Donlin
Paul Donlin

I've gotta say that your "what does a black hole look like?" explanation is by far the best. I re-watch that video with some frequency while trying to explain black holes. They're basically a spherical "fun-house" where light does all kinds of wacky things. Even the paper written by the visual effects developers for Interstellar leaves a lot on the table in explaining what these things would look like and you do such a great job.

Vor 3 Monate
Allan Roser
Allan Roser

@Merlin oh dear I must have missed the memo that said any unsubstantiated garbage can be claimed as Scientific "fact" ..... of course under the old burden of "proof" people like yourself required to actually know what they are talking about is such a troublesome restriction isn't it? .. (Shakes head/rolls eyes)

Vor 2 Monate
Merlin
Merlin

@Allan Roser So have you learned that science isn't just limited to just doing physical repeated experiments? Or are you just gonna ignore my comment and not acknowledge and learn on your misunderstanding on what science really is?

Vor 2 Monate
Allan Roser
Allan Roser

@Joe A. oh dear... another starry eyed disciple... can you please give a quick evaluation on the "image" for us? Pixel size and resolution ... let's start with something basic ... c'mon Mr Science.. let that big brain loose.

Vor 2 Monate
Joe A.
Joe A.

@Allan RoserLots of “theories” were just theories until proven true. Black holes were once a theory too. Then we discovered them. Now we even have images of two black holes. It’s looking worse and worse for you buddy. But keep having a misunderstanding of what science is, you wouldn’t be smart enough to work in any scientific field so it doesn’t matter whether you understand what science is and what it isn’t anyways.

Vor 2 Monate
Dru Nature
Dru Nature

wow our level of science and tech is truly mind boggling. when you said we would need a planet sized telescope my heart sank, but to learn that we already thought of the solution to this problem and have implemented it, amazing! THis is the best video I've seen to deconstruct and explain the black hole image and the real significance it is, what a breakthrough!

Vor 2 Monate
Anupam Das
Anupam Das

Stunning video. The explanation 10:46 onwards is God-tier!

Vor 23 Tage
M. RRR
M. RRR

Thank you so much for the model. It explains it perfectly

Vor 2 Monate
Joe Mama
Joe Mama

It is really fascinating how absolutely gigantic the universe is and the laws of physics that govern it.

Vor 2 Monate
토끼 Seulrene 🐰🐻
토끼 Seulrene 🐰🐻

Yeah God made this universe🌌 beautifully

Vor 2 Monate
Clancy James
Clancy James

As a radio astronomer myself, I've got to say that your explanation of interferometry was amazing. Might point some of my students towards it!

Vor 3 Monate
Hubburasool
Hubburasool

Quran 56 - 75, 76 This is the verse which says that the place where the stars fall and. , 77-8 The part that says when the stars are extinguished) This part needs to be defined interprited(For those who mock Quran 109 -6 to you is your religion,and to me,,my religion)

Vor 3 Monate
Tim the Commenter
Tim the Commenter

Try pointing two students at the same time from different locations, to see what matches up in their homework. If you do this enough you can probably get a sense of what the video is actually teaching well.

Vor 3 Monate
Deepayan Mandal
Deepayan Mandal

Ma'am, it was so nice to hear from you. I would also love to be like you one day, I love spacetime stuff.

Vor 3 Monate
H. H.
H. H.

I think it's the first explanation I've understood.

Vor 3 Monate
I am not pro
I am not pro

15:37 This animation explained all. I loved how he explained the image of black hole and we seeing a whole sphere around black hole in the circular image we see was mind blowing learning 😊 Keep up the good work Veritasium❤💕

Vor 2 Monate
Ben Miles
Ben Miles

Great video. I was blown away by the scale and mass of Sag.A and M87. I wonder if there are even bigger black holes out there? Are we in one ourselves? Or a white hole? All of it makes my brain fizz. I love it!

Vor 2 Monate
cd Co
cd Co

Hello Veritiasium, i tried to search for any of your videos explaining how does activated charcoal absorbs/removes odor. I tried researching and most of them claim that they can remove odor, but i am interested to understand the mechanism of action. thanks

Vor 2 Monate
BusterofGlitch
BusterofGlitch

That was 19 minutes!? Went by so fast haha, absolutely amazing! Thank you for this , love your space videos!

Vor 2 Monate
panner11
panner11

The continuous zoom-in from a relatively wide view of the night sky all the way to the stars surrounding the black hole really puts things into perspective.

Vor 3 Monate
kavb tyrhi
kavb tyrhi

Gotta love the title tho

Vor 3 Monate
Henning
Henning

This was so well explained! Amazing

Vor 2 Monate
Breezy_G94
Breezy_G94

can we appreciate how interstellar got it right before taking a picture of it? truly amazing.

Vor 15 Tage
Daniel Toschläger
Daniel Toschläger

I imagine the warped spacetime similar to a mercator projection of maps. Your radiation donut of death modell is awesome!

Vor 2 Monate
Brother Frojd
Brother Frojd

this is by far the best video I've ever seen went in comes to explaining how a black hole looks and behaves. Heck it might even be the first to ever describe it so well and easily understanding.

Vor 2 Monate
Scott Robinson
Scott Robinson

I loved the revisit to your old explanation from the M87* image. Still the clearest and most intuitive explanation I've seen, and the one I always mimic when trying to explain it to friends and family members. I've been watching your videos for over 10 years, since I was about 13 years old. I'm 24 now, working on my PhD in Astrophysics. Even with the knowledge and experience I've gained from my education, I still find that your explanations are usually robust, intuitive and very visually appealing. You're an inspiration Derek. I will be sure to thank you in the acknowledgements of my thesis when the time comes, because I don't think I'd be where I am without your videos, and the videos from other science communicators.

Vor 3 Monate
Hubburasool
Hubburasool

Quran 56 - 75, 76 This is the verse which says that the place where the stars fall and. , 77-8 The part that says when the stars are extinguished) This part needs to be defined interprited(For those who mock Quran 109 -6 to you is your religion,and to me,,my religion)

Vor 3 Monate
Scott Robinson
Scott Robinson

@Sha Smi Thank you. I just want to say that if you're under 50, I don't think it's too late to make some sort of career in science if you really want to. There were quite a few students in their 30s and 40s on my undergrad physics course. I was also on that path of drugs, alcohol and partying, at a very young age. Discovering a love of science was one of the things that really pulled me away from that. It made me feel like I was an outsider compared to the crowd I was in with, so one day I just cut them off. I was a bit of a recluse for a few years after, but it was good for me in the long-run. I've been going to gigs regularly since I was 16 though, I don't think that's hindered my focus at all over the years.

Vor 3 Monate
Vigilant Cosmic Penguin
Vigilant Cosmic Penguin

It's always great to see a story of science communicators inspiring scientists.

Vor 3 Monate
Yunus Jauhari
Yunus Jauhari

That's really great

Vor 3 Monate
Sha Smi
Sha Smi

Hi, fellow stupid, unintelligent human and neighbor of yours here… just wanted to thank you for going into that field and helping advance science and our understanding of the cosmos. If I could go back and redo my life I would have chosen the same career path. I chose to mess around in school, do drugs, go to concerts, ect. Although I don’t regret my choices and I had a BLAST none of it helped humanity or the advancement of our species. It’s bigger folks like you that do that so I thank you, and Derek. ❤️

Vor 3 Monate
MrPeterPetrol
MrPeterPetrol

Hello and thank you for the very good explanation of the image tech and science. Just at the end i got lost a bit and would like to ask why, instead of seeing just one brighter spot (as one can see in your simulated image due to the Doppler effect) can we see 3 brighter spots in the real image? Is it because we do see 3 diffent planes of the horizon? Any further explantion would be very much appreciated. Thank you and all the best for your next projects!

Vor 2 Monate
Sol M-J
Sol M-J

It's a really dynamic image. There are videos from the people who actually took the photo that explain it.

Vor 2 Monate
random gamer with potato aim
random gamer with potato aim

Honestly I've got no business to do with all or any of Veritasium's video just because how much information they provide and in a normal average society, these things are irrelevant to someone of my age group or anyone at all whom I see everyday. Watching your videos makes me feel like I'm a pseudo-intellect who's actually a dumb guy but not so when I'm watching your videos, thanks for making these and all your effort you input into this.

Vor 2 Monate
Alexus Monet Boyd
Alexus Monet Boyd

The way you described that was great. It was so easy to understand and follow along with. 👏🏻

Vor Monat
CYGNETURE Sounds
CYGNETURE Sounds

Wow, the combination of all the different wavelength distortion blew my mind. Such an elegant solution!

Vor 2 Monate
Alex the Average
Alex the Average

When I was a kid I was OBSESSED with space and especially black holes! I remember my junior high science teacher saying they were only "theoretically there" but probably were, and that bummed me out for some reason. He said though we likely wouldn't know in my lifetime if they were surely there let alone what they look like. Yet here we are and I'm absolutely blown away!! I love being alive during a time when more and more amazing steps are being taken in space exploration. I'm 30 now and I can only imagine what things will be like in another 30 years!

Vor 3 Monate
ordinary name
ordinary name

@Cullen McDonald Sure, everybody knows the earth is resting on the shell of a turtle, right?

Vor 14 Tage
Open your 3rd eye 👁
Open your 3rd eye 👁

@Cullen McDonald exactly

Vor 2 Monate
Cullen McDonald
Cullen McDonald

I'm 30 and I used to be obsessed with space too... Then I grew up and started thinking for myself and know I know space is fake and this is a bunch of malarkey... Space is as real as Santa lol

Vor 3 Monate
Trinity 93
Trinity 93

@Johnny Fedora You’re right, I was just buzzing on his enthusiasm. At least we can all use the time we have left to learn as much as we can so we can pass it on to our children and grandchildren.

Vor 3 Monate
Ginger Purr
Ginger Purr

That explanation at the end was amazing!

Vor 20 Tage
wuoi zuiu
wuoi zuiu

The fact that I could understand everything you said, speaks volumes about your ability to teach. Thank you for making me feel smarter than I actually am!

Vor 2 Monate
Ent
Ent

Wonderful explanation. One of the best videos on your channel imo

Vor 2 Monate
Alexander Dubstepcek
Alexander Dubstepcek

i'm not sure what amazes me more, the dimensions of black holes or how they play with reality (or rather our perception of reality). what i know for sure is, we need more videos on them from Veritasium.

Vor 2 Monate
TC
TC

Idk, there’s something hunting and beautiful about the finality of the theoretical existence of an object as mind bending as a black hole; let alone a supermassive black hole in our own backyard. It’s as awesome as it is frightening. We’re truly but a pale blue dot/a mote of dust

Vor 2 Monate
ordinary name
ordinary name

It's amazing to witness how far we have come and awe-inspiring to glimpse how far we may go still. It's also terrifying to think that in 100 years I will most certainly be fallen to dust. You too, probably.

Vor 14 Tage
Shiva Reddy
Shiva Reddy

very true, brother

Vor 2 Monate
Daniel Toschläger
Daniel Toschläger

Excellent explanation, thank you very much!

Vor 2 Monate
marcihuppi
marcihuppi

mindblowing. i work as a 3d motion designer and the similarities are amazing. seeing the back of the black hole is like uv-unwrapping a sphere :D

Vor 2 Monate
Al Kariminou
Al Kariminou

Very clever way to demonstrate/explain the blockhole image. Thank you

Vor 2 Monate
Chocolate Caramel
Chocolate Caramel

This was such a well-explained video that even someone with limited knowledge of the subject (like me) could learn it easily. Very impressive and thank you for your effort!

Vor 3 Monate
brabes76
brabes76

simply amazing explaination and visualization of the phyical nature of a black hole.

Vor 3 Monate
TheYafaShow
TheYafaShow

The essential and professional man endeavors to set sail across the waters to the enchanted land of Europe. He has in historic past, leisured in the exotic terrain, yet now, he has chartered a ferry for the long term, the quixotic adventurer sails to the topography of that of Europe to never return. Only replete with his knowledge procured over many a years, and bequeathed with the enlightenment one has when cobblestone displays it's beauty to that of a city with history equal to his own. We are creative people and shall our intrinsic value give extrinsic measurements of pecuniary worth. Shall the winds of history flow always in our favour.

Vor 3 Monate
Dr Kenneth Noisewater
Dr Kenneth Noisewater

Came here to write the same thing

Vor 3 Monate
Shivang Shukla
Shivang Shukla

Veritasium is a channel I started to watch to go to sleep, now I'm just awake all night getting fascinated by Derek's facts and science. 😂

Vor Monat
Ruxo Zheng
Ruxo Zheng

Very comprehensive explanation, thank you!

Vor 2 Monate
PointB1ank
PointB1ank

More space videos please! Especially with James Webb almost ready.

Vor 2 Monate
Alban Vieille
Alban Vieille

Thanks a lot for the very simple and intuitive explanation of the way long base interferometry works!!

Vor 2 Monate
Shankha Shubhra
Shankha Shubhra

The animation of combining the interference patterns into the image of the black hole just blew my mind 🤯

Vor 3 Monate
B4PH0M3T DK
B4PH0M3T DK

Yes and its only 10 sec starting at 10:30

Vor 3 Monate
Ricardo Couto
Ricardo Couto

That is by far the best explanation of why the image looks like that you can find on YouTube, Derek is a very good teacher.

Vor 2 Monate

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