The Largest Star in the Universe - Size Comparison

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    We created our first app ‘Universe in a Nutshell’, together with Tim Urban of Wait but Why!
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    What is the largest star in the Universe? And why is it that large? And what ARE stars anyway?
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    Publicerades den 7 månader sedan


    1. Kurzgesagt – In a Nutshell

      We created our first app ‘Universe in a Nutshell’, together with Tim Urban of Wait but Why! You can get it here: Appstore: Google Playstore: Oh boy. Making an app is hard. It seemed so easy when we started. We underestimated the necessary work load and all the potential problems tenfold - this is not a figure of speech, this took ten times longer than we thought it would. And we are sort of used to working on big projects. So the first update to the app should hopefully be here in the next 24 hours (we are waiting for approval of the update in the app stores) - it will fix a bunch of small things that slipped through. We’ll constantly improve this thing because while it was honestly a horrible nightmare to make, it also was fun and we want to get better at it and make more things in the future. In case you don’t know Wait but Why btw, it is the best and most fun blog on the internet ( and if you don’t know it you should change that like right now. Tim and I collaborated for the first time in 2013 and we have been good friends ever since. And this thing was something we started talking about years ago. So what is this thing we made and why? You can seamlessly travel from the smallest things in existence, past the coronavirus, human cells and dinosaurs all the way to the largest stars and galaxies and marvel at the whole observable universe. You can learn more about each object or simply enjoy the sheer scale of it all. It’s a fun plaything. The app is inspired by the “scale of the universe” website by the Huang Twins that Tim and I spent a lot of time with when it came out years ago - and felt that it was finally time to create a Wait but Why and Kurzgesagt version. There are no in-app purchases and no ads. All future updates are included! Since this is our first app we would love to hear your feedback so we can improve it over time. Leave us a five star review if you want to support it. Kurzgesagt and all the projects we do are mostly funded by viewers like you. So if you like the app we’ll make more digital things in future! Ok! Thank you for reading - Philipp

      1. Fmaily David

        I not seen that app

      2. Tek Giap Ooi

        Me be reading 1 year later still not done reading

      3. Adesh Benipal

        Why are you soo good!!!❤

      4. Laurey Ritchie

        I love it

      5. Hank Sauri

        Brown dwarfs are -failed stars- successful planets :)

    2. Polish Dragon

      i thought Proxima Centauri is the closest star and it is a Red Dwarf too.

    3. 나루비



      end was lit

    5. João Pedro Levenhagen

      Beautiful animation and soundtrack wow congratulations that was amazing!

    6. Fluffy Feather

      And then there's a creature called a human who takes himself too seriously thinking what he does in his lifespan has a massive impact

    7. Jorgan Jiller

      The only thing I’m confused about is how on earth ( pun intended ) did people figure out how the inside of a star works wouldn’t it just melt anything and everything that got to close

    8. Belly Cauldron.

      Kurzgesagt be like: Jupiter, Jupiter,Jupiter joins the bowl. We'll make you a star, that you've never seen before!

    9. Subhadeep Paul

      "Brown dwarf" is universally racist

    10. Rishabh

      Age of supermassive stars is a few million years Me : Ohh ! That’s very less....

    11. Darkfarfetch

      Beatle juice star

    12. August Benjamin Colin BARKER

      earth is our home planet

    13. PerpendicularFlight5

      Brown dwarf: im big Kurzgesagt: aeiou

    14. ememe


    15. PerpendicularFlight5

      Elon Musk started following Kurzgesagt on twitter!!! jk lol

    16. xdino gacha

      “Jupiter, the largest planet in the solar system.” my brain: NO ITS THE SUN my brain 2 seconds later: wait.... the sun is a star

    17. Mukhtar Hassan

      🖖Everyone. Does anyone know how long would it be before the sun expands until it reaches earth?

    18. Spencer Camp

      i know about this and also the sun is not the bigest star is the true thing ok

    19. 100 hawos

      this aint no nutshell

    20. joshua wells

      It’s amazing how much of this video is just literally hypotheses but spoken about as if it’s a fact

    21. Spike Rochester

      "Your mom" is always bigger

    22. xquize zuzu

      Bir yerden sonra ingilizce öğreniyosunuz ve çeviriye gerek kalmıyor

    23. rin rin

      i didnt understand anything but very cool

    24. Eli Stokes

      I want to get Universe in a nutshell but I'm a kid and I don't have any money Universe in a nutshell costs money on the App Store

    25. Jesse Edward

      so i learned that theres alot of stuff out there in space. doesnt change the fact that we will all be dead sooner or later. yes theres a ton of stuff out there and it shows how insignificant we really are. humans are funny

    26. Jaka Holešek

      Thers a star smaller than venus sirius b

    27. Original Edits

      wut this is english since when

      1. Original Edits

        @bez750 i always watched it german lmao

      2. bez750


    28. trimixシ

      this is something i would forget in 1 sec

    29. Pindrowplayz

      You sey to mom what is the biggest thing on the universe ? Your mum say : your Brian

    30. Jakob Tillison

      Justice for the brown dwarf ✊

    31. Anubhav Mukherjee

      Uy scuti

      1. bez750

        Yep. He didn't mention that and that is huge

    32. Matija Lukač

      7:46 notice how he says you would be verry dead, so he would not be, so he’s an alien

    33. Phong Tạ


    34. Dastin Cadenza

      Your Wrong the most largest stars are Betelgues near Earth , VY CANIS MAJORIS , And FINALLY UY Scuti and Stephenson 2-18

    35. BonkedOff Hackers

      Wait what about UY Scuti?

    36. tunafish928

      I love stars ⭐️

    37. Brown Dwarf

      Bro...not cool.

      1. Thomas Wright

        Go listen to Wind Rose music. They respect all Dwarves.

    38. Cbreezy510

      "... we'll be comparing bay-bays, to adults"

    39. Microphones Checks versus Disks Videos Jokeys

      The question remains; How giant are the animals on the planets orbiting the biggest stars?

      1. Microphones Checks versus Disks Videos Jokeys

        @bez750 it should be why they don’t heard us… they most have different capacity… is like speak ants… and then they heard wind

      2. bez750

        @Microphones Checks versus Disks Videos Jokeys the universe is so big and so diverse that yes, There's got to be life elsewhere in my opinion. Just not in these extreme environments.

      3. Microphones Checks versus Disks Videos Jokeys

        @bez750 no imagine a bigger star with bigger planets, should know how gigantest could be the aliens? Nope? Me I’m curious about that

      4. bez750

        Stupid question because all life is dead at this point😂

    40. Microphones Checks versus Disks Videos Jokeys

      Bin non ce n’est pas à l’échelle! Notre Soleil c’est la grosse et la petite c’est un sparkle d’un feu de camp

    41. altouranium -

      "Failed stars that are a huge disappointment to their mums." maybe i am a brown dwarf

    42. Inferno FF

      Fact Is.... It's Smaller Than My Screen

    43. cocodeano

      0:41 - maybe I am a brown dwarf

      1. Thomas Wright


    44. Cody Caruth

      Damn why they gotta do the brown dwarfs like that 😔

    45. p4ar

      Damn bro didn't have to do brown dwarfs like that 😞

      1. Thomas Wright


    46. Broekje

      Damn. I've heard people call Jupiter a "failed" star, but it's not even close to one.

    47. Janouska Tayandré-Andray

      ʰᵐᵐᵐ ᶦⁿᵗʳᵉˢᵗᶦⁿᵍ

      1. Rick Hunter

        Happy Mother's Day

    48. Edins

      can u make a vid on how can we survive the suns giant phase

      1. Edins

        @bez750 yes

      2. bez750

        @Edins unless we all kill ourselves first

      3. Edins

        @bez750 yes but maybeeee

      4. bez750

        We have 4 billion years to figure this out

    49. Lawrence Harrington

      Awesome video... Should show it at schools...

    50. Shin

      Korean subtitles come out, but they cut off from the middle. I've been waiting a long time, and it's the same. PL PL Please correct it.

    51. farid elfadani

      Thank you

    52. luminous

      But i thought Uy Scuti is the biggest🥺

    53. Avinash Kumar

      It is not the largest star in the universe, it is one of the biggest star that we have till found

    54. Ricky Gonzo

      Death and rebirth

    55. 화총

      자막 만들다 도중에 도망 갔나

    56. Corbijn Veer

      Sheeeesh you really went all out on dwarf stars

    57. Dawid Wicher

      This creation of Allah is so fascinating

      1. bez750

        I enjoyed this science vs religion argument.... And the winner is.... Science 👍💪

      2. Dawid Wicher

        @Radwar99 wow I rest my case with my last comment. You are truly blinded by hatred. I gave you the reasoning and reference. You still didn't proof Ur statement so I'm out. Not point talking to a uneducated person.

      3. Radwar99

        @Dawid Wicher Yes because Muslims aren't guilty of their share of murders in the name of Allah, please. Where does your beliefs stem from? Books and teachings by humans, and they don't provide any proof. Why in the world people blindly believe uneducated morons from thousands of years ago, I'll never understand.

      4. Dawid Wicher

        @Radwar99 it does make sense, you stated that God does not exist you need to prove your statement. That is logical and educational. For the killing that was done when science was practiced was made by the Christians don't bale other religions for their doing. Second science came from belief. Maths such as algebra came from Muslims. And if you want proof of God existence open a book called QURAN (there is your reference).

      5. Radwar99

        @Dawid Wicher That makes no sense, you're the one believing in something without any shred of proof, but nice try. If everyone just believed that everything was made by a God instead of trying to find the REAL answers, we would still be in the middle ages. Remember when humans believed the Earth was the center of the Universe and everything revolved around it, including our sun? How many people were killed by religious cultists for saying otherwise?

    58. The Truth of the Matter

      Is it theoretically possible to use stellar engines to add enough mass to Jupiter to cause it to collapse into fusion? wouldnt that prolong our solar systems lifespan if we did this towards the end of our suns life?

    59. Clumsy Cuddles

      That’s UY Scuti the largest sun I think

    60. Dingers

      Love the Animations! Anyone know what programme is used in these vids?

    61. Leon Honerkamp

      Funfact: Kurzgesagt is a german word.

    62. Süveyş kanalı aksoy

      Turkish? Not working turkish translate

    63. Izonbeke John

      But commentator, we are yet to see the Star's in other universes.

    64. Genonize

      If we lived in Jupiter you will become Only 2 ft tall

    65. KNIFEGUY1701

      "If you think that's impressive, let's introduced the largest stars in the universe... " *ad break* " The all new 2021 Nissan Maxima"

    66. Ant King

      Bro, UY Scuti has got to be the biggest star we know of rn, its radius is 1700 times larger then our sun

      1. Adam Hall

        Stephenson2-18 is 2150 times larger than the sun in radius.

    67. LOADING


    68. Ianbean

      0:40 I've never heard my science teacher laugh so hard after hearing that.

    69. Richard Lundy

      That is one awesome video, my kids loved it!

    70. Onyok Anacleto

      The biggest star in universe is uy scuti

      1. Adam Hall

        No, Stephenson2-18 is 2150 times the radius of the sun, UY Scuti is 1700 times the radius of the sun.

    71. Aaron Tan

      yeah it's impressive to know that our sun is gonna swallow us whole

    72. Evander Ulstein Fet

      "Shorter its life is" man the sun has lived since the start of humans

    73. Ashy Larry

      So the entire purpose of the universe is to create new stars. Crazy

    74. SilverStringzz

      where is VY Canis Majoris?

    75. Tay West

      At this point I believe we will never know all of space because it is exactly what it is called space. Just space for whatever god wants to make

    76. Zianna Hope

      0:41 *_ouch_*

    77. RecklessIntelligence02

      *Escanor has entered the chat*

    78. Infinity Forever

      I love the way they animate stars. They so good.

    79. Tomato

      Scientists: *hey bill! What did you name the new planet you discovered?* *oh! It’s called* *ddfghklppokijhfdaasdf1223344&-€&&3&456777544456789’kjhhfgfffddssrrghhjkkoppuygfdssd* *oh.*

    80. Katsuki Bakugo

      This channel is the infographic show’s big brother

    81. Rising Star

      Ant watching this: *crap*

    82. Jayden Mok

      oh my god

    83. Selinor578

      Most advertisements last a lot less than 12 minutes.

      1. Alex

        Lol wut

    84. -Floaty Turtle-

      The ending music in the video reminds me of the queen's royal ceremony.

    85. Fritz Metzger

      u would be very dead

    86. Locurm, The God of Darkness

      I actually visited Stephenson 2-18 last week. 2/10 location cuz it has light, and I hate light.

    87. #Campaign-Donation-Cap

      That wannabe star got burnt!!!🙂⭐

    88. Wopper schuusch

      The thing that impressed me the most is that the death of all we know is inevitable

    89. Cordell Erskine

      I guarantee none of us who have just finished watching have a normal resting heart rate

    90. Catcrumbs

      The radius of Jupiter may be 11 times Earth's, but shouldn't you compare the volume when saying one is larger than the other? Jupiter's volume is 1321 times that of Earth's.

    91. Dababy Official

      I'm genuinely curious what brown dwarfs did to Kurzgesagt

    92. Xoni Kieu

      Ơ có vietsub này cảm ơn ad ...thích coi cái này lắm lun.

    93. Nickyplayz23

      U just roasted brown dwarfs so mucb

    94. Raslan Nayef Al Utaibi

      0:42 there is a cute brown dwarf

    95. John Robinson

      Oh how small we are

    96. Ziminar

      Who needs to go to school when you can just go to this channel from anywhere and learn more in one video than an entire year in school.

    97. highlordxeleth

      See Thoughty2, that's how you do a video that has something to do with the title instead of misleading people. I came to learn about the largest star, and I did. "The largest X" and they actually talk about it during more than a single minute, not like Thoughty2 where the titles are misleading. Introduction and explanation in relation to the subject, to bring it up more clearly, and then actually talk about it, instead of barely brushing the surface and beating around the bush the whole vid. Good job guys, happy to have found this channel.

    98. TheJuicyFox101

      Have you heard of Canis Majorus? I think it's a red hypergiant Quite similar in size to Stephenson 2-18

      1. TheJuicyFox101

        @Adam Hall ahh.

      2. Adam Hall

        It is a red class M hypergiant, and in volume, it is 1700 times the radius of the sun, rather Stephenson2-18 is 2150 times larger than the sun.

    99. MeLikeTurtles

      Pistol Star look like a giant rasengan

    100. aToSiouS

      Brown Dwarfs : a big disappointment to their mom/fake wanna be star