What Do Alien Civilizations Look Like? The Kardashev Scale

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The observable universe is a big place that has been around for more than 13 billion years. Up to two trillion galaxies made up of something like 20,000 billion billion stars surround our home galaxy. In the milky way alone scientists assume there are some 40 billion earth like planets in the habitable zone of their stars. When we look at these numbers it is hard to imagine that there is nobody else out there.

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  • Whether you are going back to school, leaving home for the first time or if you just want to treat yourself, our shop is now stocked and ready for all your back to school needs. shop.kurzgesagt.org We have notebooks, notepads, stickers, mugs and of course lots of posters to decorate your room or apartment. If you want to update your wardrobe, we have pretty cool t-shirts and a new and super soft Earth Sweatshirt. Even though things might be a bit different for most of you this year, we hope you’ll still be able to learn lots of exciting things about life and the universe. Stay safe!

    Kurzgesagt – In a NutshellKurzgesagt – In a NutshellVor Monat
    • Hey Kurzgesagt, Suggestion for next video: Can we do something about dopamine detox? We're constantly surrounded by the luxuries that weren't even available to kings, all kinds of foods, music, tv, movies, climate controlled housing etc. What are the effects of constantly stimulating our mind and how can we avoid the negative effects?

      Ashutosh SharmaAshutosh SharmaVor 2 Tage
    • Yeah but God Created the Heavens and the Earth

      Thy Kingdom ComeThy Kingdom ComeVor 4 Tage
    • You're oversimplified for science

      Rockwell webbRockwell webbVor 4 Tage
    • Hi :) I loved your t-shirts, I got the wormhole and the duck&friends (my mom also loved the duck one :D ). I really, _really_ liked the wormy aliens (around 10:30 ?) - I'd love to see them again - maybe some merch too? They're really funny! Thank you!

      Cristina CotoranuCristina CotoranuVor 10 Tage
    • We need to make a kurzgesagt RTS

      Craig the BruteCraig the BruteVor 11 Tage
  • Is LSD a gift from type 4 civ?

    XelwaXelwaVor 8 Minuten
  • this video just makes me jealous of those who will get to be here when when/if friendly aliens come for a visit.

    qweasdzxcnameqweasdzxcnameVor 36 Minuten
  • Maybe stars ARE type 3 organisms

    Radoslav RadosavljevićRadoslav RadosavljevićVor Stunde
  • 4.3k dislikes? It's kurzgesagt for Christ sakes! How sad is your life?

    unachukwu oderaunachukwu oderaVor 2 Stunden
  • ants do the same things human do only better.

    20/2020/20Vor 2 Stunden
  • Jesus Christ is the true Creator of Everything that was made... He's Omnipotent because he's GOD. Omnipotence is beyond logic, so almighty science doesn't exist to creature and only to the True Creator.

    Quezada PesadillaJAJAQuezada PesadillaJAJAVor 3 Stunden
  • If you consider the current age of the universe relative to its predicted total lifespan, the universe is still incredibly young. We could very easily be the first civilization to reach our level of technological advancement. Depending on how long it takes, on average (whatever that means if we don't even know if there is a distribution), for a planet's tree of life to produce a space-faring civilization, if there isn't another such species in the galaxy right now, we could potentially expand across the entire Milky Way before another one forms to compete with us. It's really a matter of how rare it is and how long it takes for a species to reach the point of interstellar travel versus how quickly a species can expand once it does so. If we expand quickly enough and utilize all of the galactic resources, we may prevent any other species from doing so by out-competing them. Alternatively, another species with even a slight head start on us could be doing the same right now. It could only be a few hundred years before automatic mining drones arrive in our solar system to wipe us out. Or it may never happen. From this point of view, offensive aggressive expansion may be our best defense as a species.

    Andrew SchroederAndrew SchroederVor 3 Stunden
  • You lost me when you said that humans have altered the temperature of their atmosphere.

    Daniel SDaniel SVor 3 Stunden
  • Any alien life form sufficiently advanced to travel here over vast distances would be highly dangerous.

    misterjagmisterjagVor 4 Stunden
  • i love yours animations!

    Domingez UDomingez UVor 5 Stunden
  • Why is every one is this video female?

    VenomXblVenomXblVor 5 Stunden
  • Kardashev Scale is extremely flawed. Civilizations either reach a limit not far beyond our own or jump straight into an unfathomable amount of power via genetic engineering/AI. Probably the former.

    Fire of LearningFire of LearningVor 5 Stunden
    • Unless we’re both wrong and magic actually exists and we just haven’t figured it out/forgot. Honestly, none of us has any right to say “this IS the right way a thing happens.”

      Nobody expects the Inquisition!Nobody expects the Inquisition!Vor 4 Stunden
  • Yeah, great idea! Let's go to another planet and destroy it like we're doing to this one.. wtf

    The Jaded GypsyThe Jaded GypsyVor 7 Stunden

  • U re a feminist dont u

    daylight feelingdaylight feelingVor 8 Stunden
  • I’m a god to you ants hahaha

    OriginalGTOriginalGTVor 8 Stunden
  • 자막오바야;;;;

    Anti natalismAnti natalismVor 8 Stunden
  • I have a problem with the idea that "since we haven't found evidence, there should be no very advanced civilizations". As you said earlier, we have just started looking, and so far, we can only be sure that there are no such remmants or signs in our solar system, which is only ONE star in a sea of countless trillions of them. If they haven't arrived here yet it doesn't mean that they do not exist, maybe there are better places to look for something, better stars to exploit, or better peoples to conquer. It's as if a single fish in the pacific ocean doesn't believe humans exist just because it has never seen a fishboat. Maybe some strange things we do see are caused by very advanced civilizations but simply rule that out because, well...there's really not way to know from millions of light years away.

    Kishin AsuraKishin AsuraVor 8 Stunden
  • imagine the creators are just italians

    Rein AndreRein AndreVor 9 Stunden
  • Aliens by themselves with no genetic engineering or robotic stuff would probably be similar to humans in terms of intelligence. They might have just gotten a headstart.

    Walid NeonWalid NeonVor 9 Stunden
  • You should make a civilization building game with this graphics, with real science in it. I would buy that game. So would ten million more people. Do this. By the way, we wil not be an interstellar civilization. Long before we achieve that, we will be able to transfer all humans' consciousness' to a mega\giga\uber computer, and live inside it as immortal personalities in a fantasy world. Each one of us will be able to understand each others' thoughts and experiences, and each one will have a private space where it (maybe by then gender will be meaningless) can create its own personal pocket universe. After that point, we will just find an inexhaustable power source, like a red dwarf, attach our (probably many kms in diameter) giga computer consciousness heaven to it, and live happily ever after. Or at least a few trillion years, then we will have to find another host as parasites. This also explains Fermi paradox neatly. Do a video on this maybe? After you finish the game you promised?

    Sanane YahuSanane YahuVor 10 Stunden
  • FACT: Of all species that have existed on Earth, 99.9 percent are now extinct. What do alien civilizations look like? ANSWER: E X T I N C T

    Hoo MantewHoo MantewVor 10 Stunden
  • People will fr reject God’s existence but will argue in favor of Type omega civilizations. Dumb people

    PiggyharrisPiggyharrisVor 12 Stunden
  • hey aliens if you are reading this come give us a 3000 technology

    Techno bestyTechno bestyVor 12 Stunden
  • ok this just proves that there is an intelligent god civilization, but they don't care about us, we are just cells in their body

    AuAuVor 12 Stunden
  • What if we are the first one ever

    Xenion SqwizzXenion SqwizzVor 12 Stunden
  • Human always begin with "HOW" and God always ended with "WHY"

    Juan RamosJuan RamosVor 13 Stunden
  • Are those Aurebesh alphabet 4:34

    Nil SvKNil SvKVor 14 Stunden
  • So your theory is that if there were any Type 3 or higher civilisations in our home galaxy now (or in the past), then we would be able to clearly see the signs of their presence and know that they were there, because they're too big and powerful to NOT see, right? But because we don't see that stuff, they can't be there and never could have been... But what if they're so powerful, that their actions just look - from our perspective - to be part of how the universe works normally. That the only reason that the universe even looks and acts the way it does is because Type 3+ civilisations have been redesigning it to work in a logical manner that is beneficial to them (and the fact that it's habitable for us is merely a coincidence)? After all... Any sufficiently advanced science is indistinguishable from magic. What if any sufficiently advanced "sufficiently advanced science" is indistinguishable from the natural laws of the universe?

    GSW CooperGSW CooperVor 15 Stunden
  • Bill cypher is laughing

    ScaryScaryVor 15 Stunden
  • Imagine being a dictator of a type omega civilisation

    derpypaws 1250derpypaws 1250Vor 15 Stunden
  • Universe speed run guide (Any %)

    Sir DissorialSir DissorialVor 17 Stunden
  • what if we were a type ∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞civilization

    Woodfield IsaiahWoodfield IsaiahVor 17 Stunden
  • Когда речь пошла про омега цивилизации, у меня слезы потекли, это каким могуществом нужно обладать чтобы управлять реальностью.

    пля, ну ланпля, ну ланVor 18 Stunden
  • So the first order/ empire is a type 3 civilization?

    God BlessGod BlessVor 19 Stunden
  • I like idea that once a civilization advances far enough, it ceases to expand and turns inward to virtual worlds. Harness enough energy to sustain for civilizations. Then escape into virtual worlds. Where death, etc is no longer a thing. Modify your subjective time so that a second on the outside feels like a million years on the inside. These virtual worlds could be as limitless as your imagination.

    Bob SagetBob SagetVor 19 Stunden
  • Not to be confused with the Kardashian Scale, which measures the inverse ratio between celebrityhood and actual value to a civilization.

    David AndersonDavid AndersonVor 20 Stunden
  • Kurzgesagt - "We know that humans started out with nothing but minds and hands ..." Indeed, such an intelligent declaration of a presumption to present as an axiom. We are well on course! :)

    Vikram AnandVikram AnandVor 21 Stunde
  • scientists assume. thats the only truth presented in this BS

    hard yakkahard yakkaVor 21 Stunde
  • Wow, a rather negative view of your own species.

    The Texas BanditThe Texas BanditVor 22 Stunden
  • Type 7 cilvition plying a board game controlling literal infinity things among his finner tips

    W spike W Mc chickenW spike W Mc chickenVor 23 Stunden
  • Aliens dont exist, get back to work you slobs!

    aceous99aceous99Vor 23 Stunden
  • My theory is that, we are one of the first civilizations or even the first. Our universe is about 13 billion years old, and our land is 4.5 billion years old. This is very little by the standards of the universe.

    KiddyKiddyVor 23 Stunden
  • Omega level would be god himself.

    Shin GodzillaShin GodzillaVor Tag
  • I always thought that in a planet similar to earth where life is possible, there are other humans and not weird looking monsters. Because the structure that a planet need to create life is the same.

    Cris Lo CocoCris Lo CocoVor Tag
  • So first few seconds into this video. War, terror, and violence were the sole responsible factors to human success. Wow Kurzgesag, let me ask you why do human beings spend more time in infancy then any other animal on earth? I will just give you the answer which is culture. Humanity has not evolved because we do not have to our culture evolves for us. So culture allows shared information on helping us to build our own eco systems which gives us the ability to survive any where and go everywhere. We were not the only animals with this ability like look at crocodiles. They create a pond and a stream to that pond to farm fish. This is true with many animals just not to the degree of humans. War yes can inspire culture, to advance in weaponry but it is not the only thing responsible for it. Really the answer to human success is culture. Okay I got out my grrrrr time. Thank You

    Brimie The hospitable dragonBrimie The hospitable dragonVor Tag
  • I believe it’s likely there’s life on other planets, we’ve already discovered water which can only survive under certain conditions. It’s probably not what we would think though,alien life is probably just plants and bacteria

    matt moodymatt moodyVor Tag
  • Spore

    RadiatedFrogzRadiatedFrogzVor Tag
  • Wow

    Adam ZającAdam ZającVor Tag
  • Goofyass

    Third Positionist HispanicThird Positionist HispanicVor Tag
  • All women animated???

    NZAnimeMangaNZAnimeMangaVor Tag
  • Kind of flawed for people to think that type 3 won't exist because we haven't seen their stuff yet. Considering how long it takes for light to travel and depending on how such a civilization handles things we might not know they are even their until we are able to visit other systems.

    DarconDarconVor Tag
  • 7:31 is that an Subnautica Easter egg?

    Its Just YvesIts Just YvesVor Tag
  • Humans: Oh man 2020 sucked, it can't possibly get any worse 2020: Oh yea? Well check this out! Aliens: Ayee waddup

    ash Mash MVor Tag
  • 3:23 I'm skeptical about a multi-galaxy-spanding civilization. Last time I checked the universe was expanding exponentially. The only other galaxy we are ever likely to reach is Andromeda, only because we're moving towards each other. You'd need faster than light travel to reach any other galaxies for how fast they are moving away from us. Which I believe all scientists agree is impossible. So our only hope lies on the slim possibility of controllable wormholes. We would need hundreds of years of study just to get to a point where we can semi-accurately predict the exit, let alone find/create one.

    Josny13Josny13Vor Tag
  • When he said that a signal can decay after a few light years into noise, that made me wonder if that's what the wow signal is.

    Tyrone McIntyreTyrone McIntyreVor Tag
  • and one day, type Omega species will be like, " I'm bored, lets transfer our consciousness into a small planet in a distant Galaxy and have some fun playing Sims".

    sumukh bhatsumukh bhatVor Tag
  • Centillion is ten to the tenth power billion.

    GG FuegoGG FuegoVor Tag
  • Imagine all the gods that been mentioned by various religions are actually type 3 beings who were just having fun with us.

    Aniket YadavAniket YadavVor Tag
  • *Open question/discussion to anyone who is particularly knowledgeable on this subject* If X civilization (say, humanity for simplicity) were to harvest 33.4% of the energy from 3 planets, each planet having the same total amount of harvestable energy as earth. Would that make humanity a type 1 civilization? Because we are harvesting 1 total earth worth of energy but we are harvesting less than half of the energy of our native planet. If there is a definitive answer then just tell me because I am curious and have no clue how to phrase it to google, and if there isn't a definitive answer then give your opinion, I would love to see a bunch of smart people talk about it.

    Laffing GasLaffing GasVor Tag
  • The Kardashev Scale has always pissed me off because it's so incredibly presumptive. Why assume that living things inevitably trend towards civilization? This reflects an outdated and unscientific conception of evolution. And why is the possibility that life is unique to Earth always dismissed out of hand? We cannot even begin to compute how likely it is for life to evolve, as we have insufficient data to work with. Also, look around you. The future is a lot more likely to be a dystopia than a utopia. High-IQ people are pretty much going extinct, being drastically outbred by low-IQ individuals. I do believe humanity has the capacity to colonize other planets, but I think that's a future that only could have been if the 20th century played out differently. Frankly, the only future I can imagine now is a world where every inch of the planet looks like Haiti - covered with trash as far as the eye can see, and dominated by a cosmopolitan billionaire elite which rules over a deracinated, monocultural global serf class. The future of mankind is to be entombed within our own machines, molded to fit a mechanical world, with everything that originally made us human stripped away. Technocracy is by far the most authoritarian ideology as of yet introduced to civilization, just think about it - when in human history has power been this centralized before? Authoritarianism isn't merely some boogeyman from mid-twentieth century regimes, it is very much alive and well in the form of globalist neoliberalism. Wages have stagnated in the west since the 70s. We aren't becoming more advanced, we're being acclimatized to a third world environment. Sure, robotics is developing, but that will only ever be relevant to the rich, with most of us facing a lifetime of paying rent to live in a tiny box and no sense of community to speak of, in fact the Covid lockdowns have basically criminalized community activities. And believe me, they'll never end. Also, if you haven't noticed, most people are depressed. At what rate does it stop being a "chemical imbalance" (blaming the individual) and start being indicative of a societal malaise? I'd say when suicide is one of the leading causes of death for young adults. I hate to put a damper on a fun video, but I just feel like the whole "Look how cool the future will be" message simply doesn't ring true. For most of us, the future will just mean more nihilism and less rights. And no aliens will ever come to save us.

    JuiceladJuiceladVor Tag
  • They might be gods and we might be ants, but ants can kill gods if they are angry enough

    VictorVictorVor Tag
  • This video is so sad. We don’t even rank the worst teir on this scale

    CarsonCarsonVor Tag
  • What’s Type 5?

    YayNotCrayYayNotCrayVor Tag
  • Would be way simpler to just create an inner world inside our mind and live/expend/create in it than explore space

    Simon TainSimon TainVor Tag
  • I have a feeling that at type 3, you would actually need to learn to control gravetons

    SuperNova999SuperNova999Vor Tag
  • What proof do you have that we have changed the temperature in our atmosphere? Like some kind of earth thermostat?

    Marty LynchianMarty LynchianVor Tag
  • We will likely discover alien animals long before we find another sentient, technology-driven species. Our planet was nothing but animals for, what, billions of years before it finally squeezed out things like us? And we did most of the heavy lifting to become what we are today. I believe they're out there, but stuff like us is likely rarer than I think we often consider.

    Joseph WagnerJoseph WagnerVor Tag
  • What if stars and planets or even the universe itself is the remains of a great type 5 or even omega civilization?

    francesco Bertolinifrancesco BertoliniVor Tag
What Do Alien Civilizations Look Like? The Kardashev Scale