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

If you want to support kurzgesagt and get something beautiful in return check our shop:

Sources \u0026 further reading:

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?

German Channel:
Spanish Channel:

This is how we make our living and it would be a pleasure if you support us!

Get Merch designed with ❤
Join the Patreon Bird Army 🐧


The Kurzgesagt voice is from
Steve Taylor:

700+ minutes of Kurzgesagt Soundtracks by Epic Mountain:


The Soundtrack of this video:


Many Thanks to our wonderful Patreons (from ) who support us every month and made this video possible:
Denrage, Hugo Novotny, Bombibom, Bryant \u0026 Angel, Matthew, Ngoc B Khuong, Zormoe, Caoimhe Gilbert, Brandon James, Adrith Nayak, Zachary Kern, Eric Downes, Marcuss, Anthony Adkins, tomworkshere, Michael Tedder, DeepWaters, Greg Powell, fresh crystal mangos, Finalpenguin 726, Kareto Phase, Vincent Guerra, Michelle Sichting, Martin Hlaváč, Zwackelmann0, RottingMyBrain, meldanor, sprung, Pedro Antunes, supermeme, Guillaume Hellin, Carl Schanz, Drago Draco, Stephen Barker, Rors, Paco Avila, Ro-ni-n, Pol Duran Casademont, Courtney Hill, Sharbel Zarzour, Vicky, Carsten Guhr, Gary Gilbody, Jacob Geeo, Nathan Schroeder, Mark Frelih, Cédric Lothe, Joshua Valji, Thea Ilona, Jonathan Geaney, Arber, Matt Woodham, Dominic Juarez, Nelson Gollop, Дмитрий Киселёв, Adam Ellum, Lucy B, ghostman, dibidave, Dan Morris, lindryd aldar, Alberto Simonazzi, Jakub Kotucha, Hannes Burner, Mike Koss, henrythasler, Ryan McPartlan, Denis Leonte, Kai Fic, Jeremy Krall, Thomas Adamick, Andreas, Richard j, Eroviaa Hunter, PaddyO‘Lantern, Vishrut Joshi, Gwendolyn Jones, Nazar Beknazarov, Eric Rowland, José Castillo Fallas, Eben Alguire, Jesse, Greg Belote, AlphaTaco, Craig, Ryan G. Hornberger, Christien Lomax, SURGE, Ben Udris




  • 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:

    Kurzgesagt – In a NutshellKurzgesagt – In a NutshellMåned siden
    • 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.

      Antton KantolaAntton Kantola9 dager siden
    • yea me and my class at school watch your interesting videos and we enjoy them especially my teacher LOL

      Fire HarryFire Harry14 dager siden
    • 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❤️

      Darren MarquisDarren Marquis24 dager siden
    • The good news is that by the time this event horizon is past its very possible that interstellar travel will be possible

      I’mActually Not a furryI’mActually Not a furry24 dager siden
    • You said via scifi technology... so a quantum entanglement teleportation system... travel the universe in all of 30 seconds...

      Ba'al's BastardsBa'al's Bastards29 dager siden
  • Kurzgesagt always makes me feel so alone in a strange way when he talks about space

    Byron MannByron Mann38 minutter siden
  • the universe never existed and neither does you

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

    Evil PineappleEvil Pineapple2 timer siden
  • The mere department neatly flap because peripheral optionally bolt across a verdant salary. tearful, erratic yarn

    Bryann DorieBryann Dorie2 timer siden
  • 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?

    Tyler OstromTyler Ostrom2 timer siden
  • This is all mention In the Quran with clear Information. ALHAMDULILLAH

    Alieu SoweAlieu Sowe3 timer siden
  • It weird stars "live"

    capapofacapapofa3 timer siden
  • The nervous donald orally clear because basketball comparatively rock despite a eatable feast. elite, different point

    Efrain LeEfrain Le3 timer siden
  • I’m depressed now

    Jessica CarranzaJessica Carranza3 timer siden
  • yea, but what if we learned how to fold space time with wormholes? thats sci fi tech

    curtis browncurtis brown4 timer siden
  • We won't be exploring the universe anytime soon as long as we are obsessed over making money.

    GhostGhost4 timer siden
  • 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...

    Roberto TenreiroRoberto Tenreiro4 timer siden
  • Time-travel will solve it

    LeonLeon5 timer siden
  • 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.

    Dillan ThevillanDillan Thevillan5 timer siden
  • Maybe if we ever learn to instant teleport we could get there

    James BlackshawJames Blackshaw5 timer siden
  • 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.

    HadiHadi7 timer siden
  • 0:00 flat earth confirmed

    FlaphammerFlaphammer7 timer siden

    ReshirexReshirex8 timer siden
  • I love it when they explain galaxy groups

    pauldominopauldomino8 timer siden
  • 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!

    Katz PajamasKatz Pajamas10 timer siden
  • Surely we're moving towards something just as quickly as we are moving away?

    MattTweeksMattTweeks10 timer siden
  • Me: OMG THE HUMANITY SHOULD DO SOMETHING ABOUT IT Also me: *proceeds to go watch a movie*

    ZokerinoZokerino10 timer siden
  • This is extremely depressing

    iwastoolazytochooseanameiwastoolazytochooseaname11 timer siden
  • ah yes... the great cosmic dread, how have I missed you

    a shark in a blimpa shark in a blimp11 timer siden
  • Won't Alcubierre drives allow us to cross the universe?

    Soren OlegnowiczSoren Olegnowicz11 timer siden
    • Probably not.

      TrueantitheistTrueantitheist5 timer siden
  • 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?

    NATZUM2NATZUM211 timer siden
  • 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.

    Alex FoosAlex Foos12 timer siden
  • Future scientist *laughs in wormhole *

    PlutoniumPlutonium12 timer siden
  • 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

    Asem SulimanAsem Suliman12 timer siden
  • The halting end distinctively copy because pencil parenthetically unite forenenst a tacky art. curly, squeamish battery

    Latesha PresleyLatesha Presley13 timer siden
  • To be clear, it's not that we can't reach further than the local group, but when we manage to reach those distances, we won't find anything there but emptiness.

    Manohar VenkatManohar Venkat13 timer siden
  • We need the warp drive :D

    Riesen FliegeRiesen Fliege14 timer siden
  • Guys….What if we used to live on other planets with advanced technology how did we get on earth? We used to be able to travel at speeds we couldn’t dream of now we were universe travelers I think it’s true there aren’t this many galaxy’s for no reason and also. What if there are alternates of earth and people in others galaxy’s. Just imagine…

    Viper LeaderViper Leader14 timer siden
  • Sooo I have an idea why not use wormholes it's instant after than anything

    Mr Quack faceMr Quack face15 timer siden
  • bull

    leechleech15 timer siden
  • I'm having an existential crisis after watching this.

    Bozilla99Bozilla9915 timer siden
  • It's because our simulation is running out of memory

    I GI G17 timer siden
  • Now that we are dreaming of colonizing our galaxy, it would be good for other possible life forms in the universe to move away from us.

    Kürşat Öz.Kürşat Öz.18 timer siden
  • UFO is faster than light so we also will be .

    Piotr SkorzPiotr Skorz18 timer siden
  • Mankind was never meant to know everything. Only a fool believes that humanity will exist for million or even another few thousand years.

    Noah MalvaasNoah Malvaas18 timer siden
  • lol i will never survive to even get to a point of us passing pluto (human travel) yet the knowledge of humanity has a limit is absolutely terrifying

    xXMc1ovinXxxXMc1ovinXx20 timer siden
  • 299,792,458 m/s ????.......

    John GoodJohn Good20 timer siden
  • Just imagine this infinite galaxy and then imagine who invented it...

    Hamza KhanHamza Khan20 timer siden
  • Our species will extinct In exactly 1000 years

    Otaku GamerOtaku Gamer21 time siden
  • If generations in the distant future won’t know about the universe then imagine what we missed out on. The expanding universe will blind people millions of years from now so I wonder what we missed that was visible millions of years in the past.

    ViewerViewer21 time siden
  • how is it that insta and tiktok influencers get more attention than this video ..

    The Smart LifeThe Smart Life22 timer siden
  • Actually through my studies I’ve come to the conclusion that all the matter in the universe will actually be pulled back into its original point in space and coalesce into the singularity known as the Big Bang. It will then explode once again repeating the process over indefinitely

    John J. RamboJohn J. Rambo23 timer siden
  • Universe is so complex, we shall never understand it, maybe we should stay at home like a 3 year old, unaware of the dangers out there. Lets just enjoy our planet, and our culture. No matter how hard we try, We are just dust, and dust we shall be forever.

    Absatron 007Absatron 007Dag siden
  • Remember you can never cross the border with in your physical body

    Aman AliAman AliDag siden
  • 🙄 We can forget about it . .

    Victor MazzariVictor MazzariDag siden
  • A lot of idiocy here. Ever hear of wormhole theory? Expand your viewpoint

    Evan BeauchampEvan BeauchampDag siden
  • It feels like we have a really short time

    PixelacatPixelacatDag siden
  • Come back stars! COME BACK!!!

    A SRA SRDag siden
  • why not just slightly nudge the meters thing such that it is 300,000,000 meters a second for hte speed of light though? or is it different in space or out of graviity?

    Kitty Craft0Kitty Craft0Dag siden
  • we somehow someway should find a way to use this accelerated expansion of the universe like reaching on of the stars on the horizon line and make the expansion guide us+give it more speed via advanced technology or finding a way to make wormholes its might be unreachable today but we never know how far humanity can go

    مقتدى عباس حسين طويرشمقتدى عباس حسين طويرشDag siden
  • You humans are interesting

    Dark Vision99Dark Vision99Dag siden
  • So, the universe is a galactic puffer fish?

    JV GJV GDag siden
  • We have plenty to explore in milky way no need to worry about reaching another galaxies when we can't reach Even another solar system

    HaVoK023HaVoK023Dag siden
  • What makes me angry is that there's no such programs on the television! Why not educate people? Why make the society dumber but constantly coming up with useless reality shows??

    Anna GubAnna GubDag siden
  • Is this why everything is meaningless?

    Graeme GunnGraeme GunnDag siden
  • Thanks, now i‘m feeling small.

    David863006David863006Dag siden
  • Ahhhh! My head hurts! Another existential crisis!

    GamieplaysGamieplaysDag siden
  • Cute animations

    gorymarty56gorymarty56Dag siden

    The watcherThe watcherDag siden
  • Get on a ship that can give life forever even then it would take our kids kids kids kids just too travel very far but some human and family has too start it off but need a ship that can go forever but the people who Male and start traveling is not who be there by the end humans needs to understand that and then humans can travel forever but then imagine we came too place like earth we would be destroyed by the government on that planet and that’s why if there was aliens from other places why would they ever show themselves if humans will kill or capture them soon as you land better hope planet doesn’t die and we look for places too live and find a place like earth as won’t get chance saying we come in peace

    The watcherThe watcherDag siden
  • This video considers only linear travel based on our current knowledge, but doesn't take into account the fact that humanity could come up with science / technological breakthroughs that would make it possible to travel through space using alternative paths. It is like if caveman said : "the moon will be forever out of reach because the human can not fly!". You cannot predict what we will be able to do. The video is great, but it should mention this idea.

    Harp perHarp perDag siden
  • Step aside Franz Kafka

    StavroginNikolaiStavroginNikolaiDag siden
  • Also, does that mean there would just be nothing in between? If not, then why wouldn't that stuff collect together because of their gravity?

    Monkey d. Karaya Son GokuMonkey d. Karaya Son GokuDag siden
  • Wait so does that mean its possible the universe has stopped expanding?

    Monkey d. Karaya Son GokuMonkey d. Karaya Son GokuDag siden
  • This is terrifying. 😱 Oh wait. There's a possibilty that there can be worm holes. Phew. Worm holes will save us.

    Monkey d. Karaya Son GokuMonkey d. Karaya Son GokuDag siden
  • You say never, I say “ is that a challenge?”

    Hardatak -Hardatak -Dag siden
  • how the heck did dinosaurs exist tho how did life become life why isn't earth just a planet with no living organisms..

    Real_akiiReal_akiiDag siden
  • ❤Forever

    NatiReviewsNatiReviewsDag siden
  • Can you tell us about the ( scp-053 ) in the next video please?!

    Nero FrostNero FrostDag siden
  • ɪɴ ᴛʜᴇ ᴍᴇɢᴀ ɢᴀʟᴀxʏ ᴛʜᴀᴛ ᴡɪʟʟ ғᴏʀᴍ ɪɴ ᴀ ғᴇᴡ ᴍɪʟʟɪᴏɴ ʏᴇᴀʀs, ɪ ᴛʜɪɴᴋ ʜᴜᴍᴀɴɪᴛʏ ᴡɪʟʟ ɢᴇᴛ ᴀ ᴄʜᴀɴᴄᴇ ᴛᴏ sᴇᴇ ᴀʟɪᴇɴ ʟɪғᴇ. ᴋɪɴᴅ ᴏғ ᴀ sʜᴀᴍᴇ ᴡᴇ ᴀʟʟ ᴡᴏɴ'ᴛ ʙᴇ ᴛʜᴇʀᴇ ᴛᴏ sᴇᴇ ɪᴛ ʜᴀᴘᴘᴇɴ, ᴛʜᴏᴜɢʜ. ┐( ̄ヮ ̄)┌

  • The actually brother principally tow because rooster quickly attract alongside a fluttering alligator. necessary, jagged august

    Romona AmanisRomona AmanisDag siden
  • After watching this clip a couple of times, I have a question to ask. To be sure this is only speculation but then I believe you have made another mistake or at least left something out. I believe you stated that in a few years (cosmically speaking) our stars will leave us and the universe will be dark outside of our cluster. I beg to differ as long as you stick to your calculations. Explanation for my thoughts! Pay attention for I do this once. So to start: We are in the Milkyway Galaxy, I believe and another being ( a heck of a long distance away) is in Galaxy XYZ495 and we are both being left alone by the other clusters by having them expand away from us. We can't see them and they can't see us but here is the kicker. A whole lot of the matter that is expanding away from us and a whole lot of matter that is expanding away from them is out of sight - but where has it gone? It hasn't dissolved, it has just moved away and part of what left them is expanding towards us. Thus in a few years, the clusters from Galaxy XYZ495 will appear in our night sky and become part of our universe. I can hardly wait! I'll only be 72,000,000 years young.

    Jim BuchananJim BuchananDag siden
  • I just wonder how we can accept this calculation error (100 - 400 billion stars in milky way) in this since galaxy jurneys with clear physical and calculation rules on earth.

    Rimvydas SlapšinskasRimvydas SlapšinskasDag siden
  • I believe that sounds would be travel AT more faster SPEED in Space b

    BB BreakdownBB BreakdownDag siden
  • May no one makes to Milkdromeda, the thought of losing our universe makes chills run down my spine even after knowing my life age will never be counted in billions. Also while we still have 6% , why don't we rush and study most of the things it had to offer.

    Umme SulaimUmme SulaimDag siden
  • All under the premises that we aren't able to travel faster than light. Ever.

    HawkHawkDag siden
  • This blew my holy cow.

    Christopher BChristopher BDag siden
  • I'm afraid that something in the future will have zombies, monsters and a guy named Kevin.

    Zoui QuiñonesZoui QuiñonesDag siden
  • Kurzgesagt. The home of existential dread.

    WayneWayneDag siden
  • I absolutely LOVE learning about stuff like this. Astronomy and cosmology are probably the two most fascinating and mind-blowing fields of study there are.

    RayaRayRayaRayDag siden
  • We will probably never leave the galaxy. Civilizations that invent money rarely expand beyond the nearest few stars.

    Donut dudeDonut dudeDag siden
  • i mean who knows ,we cant really predict what humanity will come up with to overcome these problems. who wouldve thought (sane people) 500 years ago that in the future we can and launch man made objects to the sky as far as other planets ,or who wouldve thought that 230 million years ago theres giant creatures looking like dragons walking on earth? inovation is getting faster and faster as we speak.

    egg the frogegg the frogDag siden
  • Why does this make me depressed?

    Mr Pickle GamingMr Pickle GamingDag siden
  • im, sad now

    Oce YeetOce YeetDag siden
  • Whats killing me is what if we are that super civilization already.

    Den SDen SDag siden
  • i love the fact that educational videos on youtube like this is better than school.

    {~ Sarah Bitz ~}{~ Sarah Bitz ~}Dag siden
  • We need wormholes

    Navneet SinghNavneet SinghDag siden
  • Big crunch : It's about time👀

    S KS KDag siden
  • "If we reach galaxies in our local cluster that will be a big achievement." Makes me feel like my life is worthless, that we have the responsibility to make the best use of the gift that is 'intelligence' and to strive to expand it to the maximum possible scale. All at the same time!

    nitcoinnitcoinDag siden
  • So something I dont quite get is, although the stars we see in yhe night sky is their past light from years ago, how are we able to see structures like galaxy filaments such as the largest known Quasar Group if this Final Border exists? Wouldnt that mean that technically the biggest Quasar Group exists within said Final Border limits?

    Francesco FakhouryFrancesco FakhouryDag siden
  • Respect for : 'See you space cowboy!'

    Ronin SaitoRonin SaitoDag siden
  • “The stars are there ese, I don’t care what you say”

    Great NinjaGreat NinjaDag siden
  • This is all dependent on whether entropy can be stopped/reversed.

    Alfred McQueen JrAlfred McQueen JrDag siden
  • So all this energy the size of “a marble” @2:12 was just sitting at a random point for no reason and it came from out of nowhere and continues to expand and grow. It’s like if a million bucks just appeared in your account and continued to grow so much that you will never not be the richest person ever, yet you still are losing 94% of your wealth because the bank ate it.

    DAVON DDAVON DDag siden