TRUE Limits Of Humanity - The Final Border We Will Never Cross

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The original Limits of Humanity:

Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited pocket of the Universe and the finite stuff within it. How much universe is there for us and how far can we go?

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  1. Kurzgesagt – In a Nutshell
    Kurzgesagt – In a Nutshell
    Před měsícem

    Hey Everybody! So this video is a remake and remaster of an older video that has a mistake in it. You can watch the original here: What is the mistake? In a nutshell: In the original video we said that it was PHYSICALLY impossible to leave the local group and reach other galaxy groups. That the rest of the universe is moving away from us too fast to catch up. But that’s wrong. It is not PHYSICALLY impossible to leave the Local Group, just extremely unlikely that we’ll ever do it. BUT: If you have a lot of time and a fast spaceship you can still get to a limited amount of galaxies - these galaxies will eventually get out of reach forever but until then, they are technically within reach. So why did we keep the video up and didn’t purge it when we deleted our addiction and refugee crisis videos? Well, it has to do with the nature and severity of the mistake: We did talk to a few astrophysicists to ask them what they thought and if we should take down the video. Their feedback was pretty clear, they thought it was still fine as the universe expansion things explained in the video are correct and they didn’t consider the local group thing as too major. This was actually a case of “good enough”. Also, back when this original upload happened, Kurzgesagt was operating at pretty tight margins and just redoing a video was not easy for us. Back then the team was small and we were fighting to put new videos out. So we just swallowed the bitter pill and kept the video around. But the video still bothered us, as far as we know this was the biggest unfixed mistake on the channel. Super frustrating, especially because the core idea of the video is so fascinating. The limit of our species. The actual limit. So yeah, we finally remade the video, sorry for taking this long, life got in the way. The original video will stay up, you can compare the two if you want to see how far we have come in a few years in terms of production quality. All in all, we could only grow the channel and work on getting better because of direct support from you guys. So thank you for that. - Philipp PS: If you want, check out our shop for some new posters about the universe posters and black hole plushies and stuff like that:

    1. Antton Kantola
      Antton Kantola
      Před 10 dny

      This gave me a scary thought.... what if the galaxy we are in and why there isnt alien activity or federation to meet is simply that we possibly are in such a young galaxy and being so far in the edge of it we are truely alone.

    2. Fire Harry
      Fire Harry
      Před 15 dny

      yea me and my class at school watch your interesting videos and we enjoy them especially my teacher LOL

    3. Darren Marquis
      Darren Marquis
      Před 25 dny

      If we look at space through the eyes of science? We will never understand the meanings and true origins. We are all source beings that were all created at the beginning, and we have have live countless lives. You are connected to everything in the universe and soon enough those who recognize their true nature will be able to connect with all of the beings in the universes. How? We are already connected, we are all one. Look at the spiritual side of the universe. It may lead you into a place of better understanding and less speculation by ‘science.’ Just a thought Love to all❤️

    4. I’mActually Not a furry
      I’mActually Not a furry
      Před 26 dny

      The good news is that by the time this event horizon is past its very possible that interstellar travel will be possible

    5. Ba'al's Bastards
      Ba'al's Bastards
      Před měsícem

      You said via scifi technology... so a quantum entanglement teleportation system... travel the universe in all of 30 seconds...

  2. hondaracing200x
    Před minutou

    Why does the light look like semen😅😭 lol

  3. N J
    N J
    Před 4 minutami


  4. Mega 1835
    Mega 1835
    Před 20 minutami

    And we still don't have much an understanding of our oceans

  5. André DeLaney
    André DeLaney
    Před hodinou

    It's called the big bang theory (I feel like some people forget that it isn't proven yet.)

  6. Adriel Thomas
    Adriel Thomas
    Před 2 hodinami

    Thank you for the information, but I am very sad that every minute, celestial body in the vast space is going to be unreachable. worried for the future...

  7. MrClayrox
    Před 3 hodinami

    Gotta love how small we are haha

  8. Adolf Hitler
    Adolf Hitler
    Před 3 hodinami

    We need like a Star Destroyer to just fucking zoom outa nowhere….

  9. White lives Matter
    White lives Matter
    Před 4 hodinami

    So if the universe is still expanding , what is there where it hasn't expanded to yet ? That was really hard to word for some reason lol

  10. Downtown Clown
    Downtown Clown
    Před 4 hodinami

    I can’t even comprehend

  11. Doktorgaso
    Před 5 hodinami

    not true evrything u said is full garbage

  12. Cooking Parker
    Cooking Parker
    Před 6 hodinami

    The like cymbal jelly trust because rectangle currently tumble concerning a expensive surgeon. fluffy, condemned margin

  13. mohamed fahmy
    mohamed fahmy
    Před 6 hodinami

    Theoretically speaking, We can overcome the expansion of the universe! We can even reach the any star, galaxy or even planet that already passed the cosmological horizon! How is that? It's a called (ant on rubber rope paradox).. it says that as we starts walking away from earth towards another planet the dark energy stretchs the space between earth and that planet.. it also increase the distance between you and earth so as you keep walking away from earth you eventually will reach your destination even though the that destination moving faster the we do!

  14. surbhi singh
    surbhi singh
    Před 6 hodinami

    Pretty animation and illustration 🤯😲🤩

  15. Johnny Whitsel
    Johnny Whitsel
    Před 8 hodinami

    You are assuming the universe isn't infinite and that humans never develop the ability to create wormholes or some far-future drive technology. I believe FTL travel is impossible anyway so creating an FTL drive would be theoretically pointless. Better to invest in a drive that could fold space and/or create sustainable wormholes. If we had a drive that could open, and keep open, wormholes (and a ship hull capable of traversing one) then we could travel millions of lightyears in seconds (again, theoretically). I don't really think any of this is far fetched or not a thing to consider today. I mean... we live in a time where there is actual talks by the US government to build a base on Mars, another planet. Our space exploration story has just begun but within a hundred years we could stumble upon the ability to create a drive that could take us to another star system. Within 3-500 years would could begin colonization of the Milky Way. Who knows? Aliens could show up tomorrow and share super advanced ship drive technology with us. Thats SOUNDS a little sci-fi but space IS our final frontier... just look at the amazing things we have found in the oceans, now imagine the things we could find in places where life/environment has evolved completely separate to our own.

  16. JRTG
    Před 9 hodinami

    All these and the USa is still debating Bkack Lives Matter

  17. Just Me
    Just Me
    Před 9 hodinami

    i don't know Mr. Frodo, it's makes me sad. ~Samwise G.

  18. Gabriel
    Před 10 hodinami

    The reality is that the devs are erasing those useless galaxies so they can focus the processing power on the next "2 on 1, the final Galaxy" update.

  19. Simak Santana
    Simak Santana
    Před 10 hodinami


  20. #NPClivesmatter
    Před 10 hodinami

    Milky way is around 100 thousand light yrs not 200 thousands

  21. Arman Eribal
    Arman Eribal
    Před 11 hodinami

    Bro wth

  22. DeKli
    Před 11 hodinami

    WTF I didn't knew there is a englisch version of kurzgesagt. Which one is the original and why has the english version much more videos than the German one?

  23. Unknown User
    Unknown User
    Před 12 hodinami

    Love how we humans try to explain how the universe was created. So who created the original energy form that went bang in the first place. Where did that come from.

  24. Ginger in a Jacket
    Ginger in a Jacket
    Před 12 hodinami

    at what point can humanity not possibly be capable of straightening out all of the various areas they reside in. We have been around for .002% (no that is not an error. That is 20%, of 1%, of 1%) of the current lifespan of the sun. We fill ourselves with these delusions that the universe will actually be here for us, or rather we will be here for the universe. Also what about FTL technology? If the galaxies can move faster than light away from us, why can't we move faster than light towards them? We might not be capable of seeing their light, but that doesn't mean they don't exist any longer, they just cannot impact the gravity of the current area after they leave the event horizon.

    1. Ginger in a Jacket
      Ginger in a Jacket
      Před 12 hodinami

      Like seriously. We are so young, we don't even know how young we are. Dark Energy might not exist at all, and just be the gravitational pull of a local cluster in the unobservable universe to us, but observable to them.

    2. Ginger in a Jacket
      Ginger in a Jacket
      Před 12 hodinami

      Like you know that information limit that if we had infinite capacity eventually we would have enough matter storing information to collapse into a black hole? At what point do we reach that?

  25. daisy van N
    daisy van N
    Před 12 hodinami

    lol thanks

  26. JJr Carvalho
    JJr Carvalho
    Před 13 hodinami

    You could activate the membership feature so we can support the channel without buying things.

    1. Yiğithan Kılınç
      Yiğithan Kılınç
      Před 6 hodinami

      You can do so on Patreon

  27. cait4610 cait4610
    cait4610 cait4610
    Před 13 hodinami

    In theory if we had a large enough group of people we could have them living on a large space craft with enough (sustainable)resources to last them infinitely it's possible to get somewhere but unfortunately unless we have a way to travel at the speed of light(or faster) we'll never reach much :( edit: don't tell Britain part of space is reachable but uncolonized

  28. Jermaine Fleur
    Jermaine Fleur
    Před 14 hodinami

    Not even with cosmic wormholes? Damn...

  29. D Man
    D Man
    Před 14 hodinami

    I think I'm living in one of the most dense parts of the galaxy

  30. Algie Bael
    Algie Bael
    Před 15 hodinami

    dont you need to know and create a vehicle, that can outspeed and withstand the expansion speed? how? we have knowledge to reach it but dont know how to outbox the knowledge and if we can it is easy to reach other pocket dimension think it is the perspective and sight we need many golden eras to get out of our universe except an eternal era synthesize and refine able to absorb and use light? endless energy but dont know how

  31. Leo
    Před 15 hodinami

    "Would take 11 million years." Well we better get going then. Time to gas up the VW.

  32. James Willie
    James Willie
    Před 16 hodinami

    We actually don't know any of this and it's hilarious how people try to claim authority using this information. You have no idea if we'll ever be able to manipulate the universe in insane ways. If we're around in a million years to the point where we're worrying about this stuff, we'll probably be able to edit it at that point in the future.

  33. UHFStation1
    Před 17 hodinami

    Unfortunately we can't even travel to Mars without giving ourselves extreme DNA damage.

  34. white tiger
    white tiger
    Před 17 hodinami

    Humanity won't last more than 100 or 200 years.We are already living in end times.

    1. Xx21superkooldoggo420xX
      Před 56 minutami

      Your other comments are giving me brain damage.

  35. Neo
    Před 17 hodinami

    "the universe is rushing from us" Have we ever considered that we dont rush back towards the universe? we deny science for greed and money. our politics are entirely ideological greed driven everyone wants to pocket some of our growth as a whole, why would the universe even want us to be part of it? one day we'll wake up and realize that space doesnt expand, but consciousness effects the perception of the laws of physics.

  36. kevin shah
    kevin shah
    Před 17 hodinami

    it makes me feel to suicide

  37. Philip Kim
    Philip Kim
    Před 18 hodinami

    I have nothing but respect and love for this channel. Thank you so much for sharing interesting scientific facts with great visuals.

  38. Anonymous S
    Anonymous S
    Před 19 hodinami

    Wait, what about warp drive!!

  39. Aphid Tech
    Aphid Tech
    Před 20 hodinami

    Was with you until the Big Bang part

  40. LeLichtel
    Před 20 hodinami

    I also like to think of the reverse: other intelligent species in the far distant galaxies also have their own horizons, and maybe Earth has passed from the observable into the void for them. Maybe some intelligent life had already taken a look at Earth, but due to the vast distance light needs to travel, they only see Earth in the past where it was just an unhospitable floating rock, deeming it empty. Or we already have a galaxy on our radar that is spurting with life right now, but we only see how it used to look millions of years ago when it was empty.

  41. RustedPlays
    Před 20 hodinami

    Damn bro. The end hit harder than my grandma falling from the stairs

    Před 20 hodinami

    Make a video about constlations

  43. Angel Lozano
    Angel Lozano
    Před 20 hodinami

    PLEASE let the worm hole theory be true, or else imma be so depressed

    1. Remme Gaming
      Remme Gaming
      Před 20 hodinami

      I was thinking same the whole problem is not time the problem is gravity

  44. randomguy8196
    Před 20 hodinami

    Wait … how does this outside the observable universe thing work? Say if we are travelling at the speed of light, we can eventually catch up to the parts of the universe expanding way from us no? Clearly they can’t be moving faster than the speed of light away from us. That said, I never really got relativity so there might be something weird going on here that I missed.

    1. randomguy8196
      Před 19 hodinami

      @Yiğithan Kılınç If you had a magic expanding ball that's expanding faster than the speed of light anything on the surface will be moving at the speed of light relative to something else on the opposite side of the magic ball. Same thing with the galaxies - they are just moving way from us.

    2. Yiğithan Kılınç
      Yiğithan Kılınç
      Před 19 hodinami

      @randomguy8196 The thing is, galaxies don't move faster than light speed, but the space between them does expand FASTER than light speed. No matter how fast you travel (without violating light speed), you CAN'T reach them, because they are going away from us WAY FASTER than light speed.

    3. randomguy8196
      Před 20 hodinami

      @Yiğithan Kılınç Regardless of the expansion rate, the max speed those other galaxies/stars/planets can be moving away from us (relative to us) is the speed of light no? Assuming they aren’t ALL moving at nigh the speed of light if we can move at the speed of light we should be able to catch them no? But then again relativity is weird and so I don’t get how this works. If there are 2 planets moving away from each other at the speed of light and I stand on one of them and throw a ball in the direct the planet is moving … will the ball be moving faster than the speed of light if seen from the other planet?

    4. Remme Gaming
      Remme Gaming
      Před 20 hodinami

      Take it in a way that 2 things are moving opposite to each other with the speed of light of each but i didn't agree with this video though due to worm holes

    5. Yiğithan Kılınç
      Yiğithan Kılınç
      Před 20 hodinami

      Space between galaxies expands faster than the speed of light. So no, you can't reach far away galaxies even if you travel at light speed.

  45. Cal
    Před 22 hodinami

    We will find a way

  46. I
    Před 23 hodinami

    We're such primitive apes even to this day, we should already be out there exploring and colonizing but lol 2 thousand or whatever years wasted on the dark ages + worldwide division & war lol so NEVER EVER

  47. Ashley
    Před 23 hodinami

    Still never Know how To contain Black Hole Dark Matter Energy.

  48. Fallen G
    Fallen G
    Před 23 hodinami

    This is all just the information we know now. We’ve only known about space and everything up there for a few hundred years, yet we’ve developed all of this technology. If humanity doesn’t destroy itself, the innovations over the next few hundred or thousand years for humanity could take us further than we think possible right now

  49. Reham Elhamady
    Reham Elhamady
    Před dnem

    just around 3 stars are born because it takes so long for s star to form

  50. Jdm Zibby
    Jdm Zibby
    Před dnem

    I feel we are very very lucky we happened to land in a relatively close neighborhood. We have close solar systems and close galaxies, imagine if we were just at the edge of a void lol

  51. Juhan James
    Juhan James
    Před dnem

    Are you non profit

  52. Fabrice Crégut
    Fabrice Crégut
    Před dnem

    Love you so much Kurzgesagt!

  53. Danya Hakim
    Danya Hakim
    Před dnem

    You guys are awesome!!!

  54. Crytill
    Před dnem

    That speech at the end: Goosebumps

  55. OwnGamesGamer
    Před dnem

    the milkromeda reminds me of shi-ra with the aloe planet so far away from anything that the night shy doesn't have any stars

  56. Wing Wing
    Wing Wing
    Před dnem

    The animation here is absolutely insane

  57. Pappala Siddhartha
    Pappala Siddhartha
    Před dnem

    I will become astronaut then I will go inside a black hole that's my dream now wish me all the best!!

  58. Pappala Siddhartha
    Pappala Siddhartha
    Před dnem

    You deserve a sub

  59. Pappala Siddhartha
    Pappala Siddhartha
    Před dnem

    When I think about the space I will crazy for a while!!! Many more questions and answers yet to be discovered

  60. Foam Ne
    Foam Ne
    Před dnem

    I doubt the word milkdramita serves the test of time.

  61. Kenzo Fukuda
    Kenzo Fukuda
    Před dnem

    The most insane part is how the future civilizations in Milkdromeda will NEVER be able to trace the Big Bang

  62. Ginko
    Před dnem

    "they might have no way of knowing what we know today." Yeah, well I just downloaded this onto my hard drive so.... In all seriousness, people think knowledge will just be there. You never know when a video will vanish. If it's interesting to you, save it.

  63. Michael Vanderbilt
    Michael Vanderbilt
    Před dnem

    So when I look at some starts, does that mean I might be looking at something that not really there anymore???

  64. juaneorlandi
    Před dnem

    I can't believe 4.700 people disliked this video... maybe they did it out of a need to negate this unsettling truth.

  65. luke herche
    luke herche
    Před dnem

    its kind of sad knowing we cant stop are impending doom :( edit: that being said go live your life and enjoy it why you still can

  66. Wyatt Spitz
    Wyatt Spitz
    Před dnem

    As soon as we think of our limits is when humanity officially dies, we may be living yet we lost what makes us human….which is pioneering, curiosity and need for knowledge , don’t give up reach for the stars

  67. Eryan Francis Samosino
    Eryan Francis Samosino
    Před dnem


  68. Andy GREEN
    Andy GREEN
    Před dnem

    If you are lucky everyone of you has something much greater within you worth exploring, your own imagination.... happy travels.

  69. Alien Kitten
    Alien Kitten
    Před dnem

    You make it sound like we're the center of the Universe. What if we're near the edge and we're the ones slipping away?

    1. Aditya Dwiky.
      Aditya Dwiky.
      Před dnem

      No, you didn't understand.. yes.. our galaxy is slipping away from another galaxy.. and every galaxy does that too.. but since we are from Milkyway galaxy.. so its from our Point of view.. but if you change the view from another galaxy we are the one who slipping away from them.. and from our point of view (in our galaxy), they are the one who slipping away from us.. so in the end everyone is slipping away from each other until we can't see them again... I hope you understand, my English is not that good :)

  70. Imozan
    Před dnem

    Ok but none of us will be alive to even leave the solar system and the people who will probably wont live long enough to get the the next one and thats only a single system in the many we have and will have when the galaxies combine so honestly its not too bad…..if you count us being dead as not bad

  71. austin sitz
    austin sitz
    Před dnem

    My only hope is that i learn all the secrets to the universe before/during/after death. I dont need an afterlife i just need to die with the knowledge I’ve always craved.

  72. Byron Mann
    Byron Mann
    Před dnem

    Kurzgesagt always makes me feel so alone in a strange way when he talks about space

  73. Steven
    Před dnem

    the universe never existed and neither does you

  74. Evil Pineapple
    Evil Pineapple
    Před dnem

    Does light inherit momentum? How could light from earth not be able to catch up to any receding galaxy?

  75. Bryann Dorie
    Bryann Dorie
    Před dnem

    The mere department neatly flap because peripheral optionally bolt across a verdant salary. tearful, erratic yarn

  76. Tyler Ostrom
    Tyler Ostrom
    Před dnem

    If people in the future might not know about the whole universe before than isn't there a chance that thee is something that we don't know about also?

    1. DeKai
      Před 57 minutami

      There are tons of stuff we don't know. However, the point was that there will be a time when a supposedly still-living form of humanity will not be able to observe and measure all the things we consider evidence of the beginning of the universe. If humanity isn't able to store their knowledge until then, it will be lost, never to be retrieved or re-learned again.

  77. Alieu Sowe
    Alieu Sowe
    Před dnem

    This is all mention In the Quran with clear Information. ALHAMDULILLAH

  78. capapofa
    Před dnem

    It weird stars "live"

  79. Efrain Le
    Efrain Le
    Před dnem

    The nervous donald orally clear because basketball comparatively rock despite a eatable feast. elite, different point

  80. Jessica Carranza
    Jessica Carranza
    Před dnem

    I’m depressed now

  81. curtis brown
    curtis brown
    Před dnem

    yea, but what if we learned how to fold space time with wormholes? thats sci fi tech

  82. Ghost
    Před dnem

    We won't be exploring the universe anytime soon as long as we are obsessed over making money.

  83. Roberto Tenreiro
    Roberto Tenreiro
    Před dnem

    This is sad... but at the same time, I can't help to think that we just don't have enough information about the future to make an accurate prediction about what will happen. I mean, as of today, we the information we have, this is the conclusion we have arrived, but maybe, just maybe, the future has something different for us. Imagine, that instead of traveling at the speed of light, we find out that it is possible to travel through darkness itself in an even faster way, imagine we discover new elements that will revolutionize everything, imagine beings beyond our comprehension (not god, god doesn't exist) exist and they are the ones that can respark big bangs, imagine we find a way to reverse entropy and recreate big bangs and thus recreating the universe, imagine wormholes that can bend time and space and let us go to the galaxies/groups of galaxies beyond the horizon of what we can see today... imagine... so many possibilities... what saddens me is that I won't be able to live all these possibilities... ah... such a waste...

  84. Leon
    Před dnem

    Time-travel will solve it

  85. Dillan Thevillan
    Dillan Thevillan
    Před dnem

    I can't beleive it ,so I don't, an gee all this material,,an gee thesers more space inside than out. If you want to know where the center of this material multiverse, ask meh.

  86. James Blackshaw
    James Blackshaw
    Před dnem

    Maybe if we ever learn to instant teleport we could get there

  87. Hadi
    Před dnem

    But aren't when we looking up into the night sky to see the "stars" we're actually looking at the past because of how light travels and how long it takes to travel to us? Those stars most likely not even there any more.

    1. Aditya Dwiky.
      Aditya Dwiky.
      Před dnem

      Yep you're right.. Its like a billion years ago or something..

  88. Flaphammer
    Před dnem

    0:00 flat earth confirmed

  89. Reshirex
    Před dnem


  90. pauldomino
    Před dnem

    I love it when they explain galaxy groups

  91. Katz Pajamas
    Katz Pajamas
    Před dnem

    I love this channel so much! Thank you for striving to be better, working tirelessly to make quality content, providing transparency, and owning up to mistakes while still leaving the content available to us ❤ I admire your work and appreciate the effort more than you will ever know!

  92. MattTweeks
    Před dnem

    Surely we're moving towards something just as quickly as we are moving away?

  93. Zokerino
    Před dnem

    Me: OMG THE HUMANITY SHOULD DO SOMETHING ABOUT IT Also me: *proceeds to go watch a movie*

  94. iwastoolazytochooseaname
    Před dnem

    This is extremely depressing

  95. a shark in a blimp
    a shark in a blimp
    Před dnem

    ah yes... the great cosmic dread, how have I missed you

  96. Soren Olegnowicz
    Soren Olegnowicz
    Před dnem

    Won't Alcubierre drives allow us to cross the universe?

    1. Trueantitheist
      Před dnem

      Probably not.

  97. NATZUM2
    Před dnem

    They will gone out of our vision.... Did we not move with the flow i mean yes the old will move faster but we will see new ground or i'm wrong?

  98. Alex Foos
    Alex Foos
    Před dnem

    Break the space between the atoms stretch it till it splits open. There you will find your door way. But be careful its a one way ticket. Frequency and matter are the 2 only things that are fact in the conscious universe. Time, speed, mass, ect are just ways humans confine the understanding of what you see the universe and existence to be.

  99. Plutonium
    Před dnem

    Future scientist *laughs in wormhole *

  100. Asem Suliman
    Asem Suliman
    Před dnem

    Although the contents discussed in this video have absolutely no consequence to us in the foreseeable or even the insanely remote future, the idea of staring at an empty night sky at any point and knowing that most of the universe is permanently out of reach is so saddening