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@Thanadej Hwangsutham do you even know what fusion is

@Minexall GET OUT!!!!!!!!!!!!!!!!!!!!!!!!!🤬🤬🤬🤬🤬🤬🤬

How u gonna get that humongous amount of sand and fuel source to smelt them and even how you gonna get silver chloride to turn it into mirror

It’s 2022 now but I still love watching your videos

Hm yes let me ask my *astrophysicist friend to design a device to move our entire solar system* Shouldn’t be too big a thing to ask

That's like something out of a movie

Bro i got asked the aame thing but for a Galaxy Carrier

Heinrich Hitzinger I think she means that they paid him well.

@TheBlondie I don't think it works like that...

Normal Visionaries: “What if we left the solar system in a spaceship?” Kurzgesagt: “What if we made the solar system into a spaceship?”

Dang nice whip

This isn't a new idea. It's been floating around in sci-fi literature for decades. Larry Niven's 'Fleet of Worlds' is a good example, but there are also many others.

@RandomCamera746 that’s right

Underrated comment here. Kurzgesagt never fails to impress us.

I love how the Dyson sphere song kicks in when they start to talk about how it would be needed for the thruster

If Kurzgesagt ever makes a video game the soundtrack is going to be an absolute banger

Dyson Sphere OST

YEAH!!

There was a song? ... Thumbs up for dyson sphere song

Thank you prof. Mathew Caplan for designing a whole new kind of steller engine it could help advance human civilization In a million years they open this video and see your amazing work

6:17 To put it into some perspective, it would take about 1.07 days for it to push the sun back by the length of its own diameter.

@Bill cipher I am interested

Why hello went to make a deal?

Can we just talk about the fact that some physicist designed an entire galaxy thrusting towtruck with real physics for the sake of an educational YouTube video

Moving a galaxy is not as easy as a solar system. While they look similar, a solar system has 99% or more of its mass in it's center. The star. Or stars for multi star systems. The supermassove black holes we assume to be in the center of galaxies only make up 0.05% - 1% of a galaxies mass though. Therefore we cant move a galaxy by moving one point of it. Galaxies are held together by the gravity of the collective. The supermassive black hole more a natural occurance of that collective then the core of the system. Solarsystems are held together by the gravity of the star. The star is very much the core and center of the system. And on a galactical scale, the planets it has effectivly dont matter.

imagine that is actually how we manage to become an inter-galactical civilization and when a different species come to you and say "how did u come up with this", u just say that it was an project made billions of years before specifically made for an education video about how to move the solar system

@HotDog65 it moves whilst pushing the sun along with it so the thrust keeps it up

omg kurz liked this it's approved

imagine a civilization building a stellar engine and using it to colonize other solar systems, and whenever they pass by other solar systems they build a dyson sphere to power a new stellar engine in the new solar system so that all the star systems they colonize can travel through the galaxy together to keep all their colonies within at least slightly more manageable travel distances

I just watched this video and the ones about Dyson Spheres and Skyhooks. They’re amazing and revolutionary! The biggest problem I see is that these things concern the future beyond our lifetimes and people don’t care about futures that aren’t theirs. I think that if we were (functionally) immortal we’d turn our attention towards these things because they would then be our own futures.

@wren Rejuvenation and wormholes is how we colonize the galaxy.

People dont care about the future beyond the election cycle, thats the issue. If its not doable in 4 years it will never get started.

Yeah, we have to work on robot bodies or cryo-technology or just straight up stopping aging before we can do any of this

@FroggaMonke Unwarranted opinion, and unsubstantiated at that.

which is impossible

This is one of my favorite videos! I just can’t stop coming back to it every few months. Absolutely incredible!

Relatable

Let’s just appreciate how much work they put in these videos to educate us thanks for the help on understanding this

scientist: "intergalactic space travel is impossible" kurzgesagt: "Just move the sun lol"

The funny thing is I first read about this idea in a 1937 science fiction novel called "Star Maker" by Olaf Stapledon. An amazing work of prediction. The Milky Way civilisation made contact with Andromeda by sending populated worlds across intergalactic space. And that wasn't even a major thing in the story. He even had virtual reality and the multiverse, as well as things like artificial worlds, Dyson spheres and so on.

Yes

@Ceelvain we would survive without the moon now, the reason it was likely very important is that it slowed down the day cycle of earth so photosynthetic micro-organisms have enough time to outcompete chemosynthetic lifeforms during the day before it goes dark

who is this simon and why does everyone want to talk to them

I think the caplen thruster was a great idea because we can explore other solar systems faster than before

If we ever observe a stream of O14 trailing behind the motion of a star then that could indicate that system is being driven by a Caplan thruster. Though we would probably have an easier time see the jet of the exhaust gas or the actual mechanisms involved. Also, I like that the subtitles at 1:08 say, and I quote, "[Snazzy Kurzgesgat intro music]".

Wow. When you really wanna move but you also really like your neighbourhood, just take the entire thing with ya. Turning our chunk of space into one giant massive space ship. Just wow.

5:22 i love how when the dyson sphere comes in, it transitions to its main motif

Humans: can barely make it to the moon and back Humans: have already planned how to move the entire solar system

@Skye not really, funding is necessary too

@mocha exactly lmao the USA cares way too much about the military. Either way its kinda a dead end because now because of history and ukraine, tensions rising etc would make funding space programmes harder to do. A more peaceful era is ideal for space exploration. I guess we just gotta hope atleast the ESA or space x can do something

Move the galaxy, you mean. No, really. Some have planned on how to move the galaxy to more reasonable distances from Earth and reorganise it to be a proper (multi) trillion-year warehouse for all our future needs.

And we are still focusing on national pride, money, politics, culture and religion. Depressive.

yes

Amazing, now with a proyect of this temporal magnitude I have come up with several technologies to allow us to participate in it. (1) The Reincarnation Engine, a device that actually allows a person to immediately inhabit a genetically enhanced newborn. (2) Cybersouls: In the case you dont want to die, you can download your mind into a computer. (3) Impervious Flesh: in which our bodies are brought to the point where they no longer decay and we can actually live longer, millions of years longer. (4) Temporal Mirrors, a technology in which we cross into a the solar system's far millenial future. Thanks for your vids. As you can see you got me thinking.

Since you said that when we move and use the sun as fuel, the sun would live longer, couldn’t we just keep moving throughout the universe so then the sun lives for longer? But if we use it too much, would it lose its amount of gravity and drop all the planets into the universe to drift apart and crash into other solar systems?

5:53 really like the executor class star destroyer design, along with the 3 fleets of star destroyers surrounding it.

I absolutely love when the dyson sphere is added in, the music in this video plays the tune of the song from the dyson sphere video at 5:25.

I could only imagine the look of disbelief on alien faces as we pull up to their solar system... with our solar system

Umm... excuse me what the fack?

ALL OF YOUR BASES ARE BELONG TO US

“This these humans really just pull ip with their whole home?”

@Wack Wacker OK I PULL UP

The animation is absolutely incredible!

If you guys made a game in this galactic civilization style, I'm sure it would be one of the best physics games ever created.

I feel like this would be done by an incredibly advanced race that had way too much time on their hands. Anyone who simply asked, "Why not just terraform a new planet?" Would just get the response, "Meh, because we feel like doing this for the hell of it."

The idea is just mind blowing 🤯 Amazing job!

I guess you could call it a... *Starship*

Take my like and leave

I approve of this dad joke

nice

how dare you lol

shad up

Now I understand that it would be able to work fast and move the sun in time, assuming we are able to make it in time, as in if it took 100,000 years that would mean the entire focus of humanity would be put into this

Please make part two consisting of other two types of stellar engine!!

It blows my mind the concept of a civilization thinking in terms of centuries ahead, like not just the next generation but scores of generations from now

Won't the engine just collapse Into a ball of metal because of gravity? And even though the planets move with the sun, if it slows down or speeds up to quickly will it distrupt the orbits of planets due to their speed relative to the sun changing a lot as they are not able to keep up?

Scientists:We all gonna die from a super nova hitting the Solar System. Patrick:Why don't we take the Sun and put it somewhere else? Kurzgesagt: *Write that down!Write that down!*

@Bilimin Sırları very good thanks love you

@Robie Trites very good 👍 thanks

¹

Good

@Yuan Casiano Let's see how close it is with the new continents. :)

"WE SHOULD TAKE THE SUN, AND PUSH IT SOMEWHERE ELSE!" - Rick Star, Scientist

My name is! Not! RIIIIIICKK!

This same technology could allow us to mine the sun - instead of a beam generating thrust, you push out a beam of ionized particles that get collected into a massive particle accelerator - one able to fuse any element we'd ever need. I've seen some folks call the technology "star lifting" and it would basically end the concept of scarcity for our species.

You know it’s a big project when a Dyson sphere is the starting point.

3:06 I'm actually very interested in knowing what exactly would happen if you reflected so much of the sun's light back to itself

I’m guessing it would cause the sun to heat up much faster. This would mean it burns brighter and hotter while using up its fuel more quickly and causing it to go to red giant phase much earlier

Hmm, might be similar to a black hole bomb (they made another video about it).

Thanks, I really needed this tutorial! I hate when I get stuck near a supernova with no way to escape.

True it happens all the time it's annoying like why? Why would supernovas do it? (for people who don't get the comment it's a joke)

underated comment

@The Science Biome Who doesn't

Can I say r/woosh now

Ikr my last Minecraft world was destroyed by one

I like how it mainly uses stuff that we're already able to build, except for the dyson sphere

Literally just for this video kurzgesagt got someone to design technology we wont be able to use for centuries at least…. Well played

I can’t believe that someone invented this machine cause it’s brilliant i can’t really imagine that this is possible but if it is it’s amazing 🤩 but how much would it costs cause this thing is massive but i hope it’s not going to happen. It would take to much year’s

What would happen if we enveloped the Sun and refocused all its light back onto it? Sounds like another massive bomb, second only to the black hole bomb in its potential destructive power.

"we're leaving 2019 with hope, it's been a terrible year" *BOY WERE YOU WRONG*

@Ahmet Emin Senyurt you mean 12021?

Why did he say 12 thousand instead of 12 hundred?

2021: *"HOW ABOUT A LITTLE MORE"*

@Ahmet Emin Senyurt already?? Goddamn son you said that within the first 2 months of 2021 😂 with that attitude you Won’t have a good year!

bruh 2019 when we were int it it looked shti now it seems like it was heaven or something

I guess if I could think of one thing that gives me hope is that we’ve gotten so advanced relatively quickly. If we can actually get our shit together I bet we could accomplish stuff like this in less than 1000 years.

Question, if we could theoretically move the Sun and solar system with it, could we also move planets within your solar system? Then we could move planets like Mars closer to earth and potentially make it habitable in the long term for humans as well as give us more resources if our planet is running out

I love how optimistic everyone was for 12020

I like how at 7:45 , once the ISS disappears is when the cappilon thruster shows, meaning by the time we have that kind of technology, the ISS would look like a single cell organism compared to the cappilon.

Born too late to explore the world Born too early to use our sun as a metaphorical engine to explore the cosmos Born just at the right time to enjoy Kurzgesagt.

Keith H I agree, people are always saying the earth is dying, um nope HUMANS are dying and once we’re gone (maybe like half a millennium, NOT a century) the earth will continue on as of nothing happened.

I hear this a lot, but I don’t think people realize that we were born at just the right time in history; the rise of the internet, beginning of the Information Age, understanding our universe, the beginning of space exploration and massive developments in science. I, for one, am glad that I am able to experience the 21st century, as it is the beginning of a new era. Who knows, if we are able to fix the mess that is the modern world, we may even have world peace.

gamer dude wake up. We’re further ahead technology wise than you probably realize and those “problems” will never go away regardless of what we do so stop. Global warming is natural for one and we just accelerated it. You act like these “problems” will cause humanity to go extinct in the next 100 years. Not going to happen. Even at this rate the earth will be habitable until the earth goes red giant. If we can theorize as much as we do I’m sure we already have the technology and resources to do most space exploration. I think it’s the nations who don’t want to collaborate with each other and work with one another. We’re too greedy as a civilization to even collaborate with each other for the sake of humanity. It’s pointless to even ponder the possibilities. If every nation on earth put their resources together and we’re collaborative we probably would be actually doing a lot of what we theorize instead of talking about it like we can’t do it when we clearly can.

Someone in the future will end humanity .I can feel it.

Mate explore the world yourself, new cultures, places you’ve personal never seen etc

With the Dyson sphere and the engine, we might be able to make venus a bit more habitable.

Dude, you should make a Whole book on ALLL of your videos, the information that you gave in videos like the Alien Civilizations, Gold apocalypse, skyhook, Blackhole bomb, Mars Base, and many others. If you ever make one then please make a video about it. You are doing a very good job. I learned many things from this channel. Please make a Whole book and put the information that you put in all of your videos

This can be a way of traveling but do you realize that this could be used as the ultimate weapon, i mean we could just make a star consume an alien planet if they were about to invade.

Kurzgesagt is like a time traveler and just tells what happened in the future

“The world is screwed up. But, we can fix that. In a few days we can try again next year” 2020: I'm going to do what's called a pro gamer move.

2021 and 2022: laughing menacingly

2020 was AMAZING for me

Pro killer move

@Eavy Eavy not sure if troll or just stupid. VSauce does explain what's in his video titles, he just explains a lot of extra stuff too. It sucks having to learn more than you wanted to, doesn't it?

I am fascinated by your videos! Please never stop doing them

imagine if in the future people can make their own design of a star system then publish it to the interstellar government in the future to create it using materials that would be hella cool it would require alot of materials and it would require a planet to turn into a star if made. Also if our star died we can still use red dwarf stars. Smaller the star the longer it could live for

I feel like we could use this to move a planet further away from the sun too. Like if we decided mercury or venus were just too close to the sun for our liking

Wait so where does the super hearted oxygen come from? Wouldn’t this engine be expelling hydrogen?

Since G-type stars like the Sun never actually use up all their fuel- they end up puffing *most* of it off during the Red Giant phase- the beam of energy shooting into the sun would stir the stellar mantle, ensuring the star burns its fuel supply more efficiently, thus extending the lifespan of the sun that way too.

@LoneStarWolf Entertainment i agree!! They would just do the advanced civilization equivalent of turning a dial to fix it

@CRYSTAL GEM if a civilization is advanced enough to create both a Dyson Sphere and a Stellar Engine then they are LONG past the point of having to worry about Disturbing their Sun’s Magnetic Field.

astrology major noises

@CRYSTAL GEM give me some of your intelligence pls

@CRYSTAL GEM True, but it won’t cause to much trouble.

I like how casual you make it sound to just move the entire solar system

I like to think that if this happens, we would capture other planets from star systems and start a collection not too different from the one of baseball cards your weird uncle has.

Amazing video! This video is one of the best animated videos I every sawed.😁

I wonder, would the Dyson sphere powering the caplan thruster be able to harvest enough energy from the sun to even power humanity?

Is it just me or the animation quality just increased by 150% ? You guys are already hardworking, take care.

@TheRaphael0000 yeah exactly, a lot of small details like that.

You're right, the mew is even cuter 7:25

Haha idk did it? The channel itself is focused on making good and correct content

@Antares I comment a lot, might be some where else. I feel like I have seen you too!

Always been great

This channel doesn't seems free omg, this content is so awesome and high quality!!

How does the Sun gets kinetic energy from photons? I mean if they give energy then will the wavelength of the photon reduce or what will happen to the photons? I mean the light energy must reduce or deteriote. Isn't it? Will it disappear as if hitting a black source or just increase its wavelength and become radio,micro or infrared wave?

I love how the ships that were sent to other solar systems had health bars

Long live science ! Thank you for your work guys.

This channel gets better and better everyday

@DanDeMan In theory, yes.

@Hyperious mankind is now no longer become called primitive

Ikr

And that's a fact

Sad thing is it even has more subs then the original

1:45 But there is inertia. When you move the Sun, planets will "try" to stay on their previous vector, so their orbits will be corrupted.

This is pure amazing to think we can do this but at the same time this is beyond sketchy at the same time

It's saddening to think that we are not already putting humanity's collective effort to start something like this. Even more saddening to think that I won't get to experience/see this in my lifetime. What a very interesting future we have.

so the solar system becomes the space ship, interesting. however even though the planets are bound to the sun, it could throw then out of balance. it might even throw them back behind the exaust, and even have them smash into each other at a single point. or loose momentum when we stop the engine so they fall into the sun or end up with the orbit of murcury, aka very close.

The idea of pushing the sun is more like Patrick's idea of pushing bikini bottom to a safer place but on a bigger scale

well, the easiest way is moving away from this solar system. build some spaceship that have their own biome nor ecosystem. but yeah, pushing sun is wild idea, after terraforming all of the planet on solar system

@Derpy Woodoo w

How tf did you get from the sun to bikini bottom lol

Lol

I had no such idea

I always stop the video every 1 min to admire your art Its beautiful💖

this makes a lot more sense than say... flying 3 light years to a neighbouring star. Instead, bring the whole solar system to be much closer to a neighbour, then send satellites to collect detailed data on different planets for viability, and then send humans if really promising.

I love these videos and the ideas presented in them, but I seriously doubt that humanity is going to be around for that long or become that technologically advanced, because we can't even seem to handle the problems we've got now. Using both cooperation with nature and our technology, we need to figure out ways to sustain ourselves, our resources, and our planet if we ever want to become this technologically advanced.

I feel like new sci-fi movies need to incorporate this kind of theoretical technology instead of simply warp drive spaceship engines.

imagine if different solar systems with other intelligent life also create stellar engines and the galaxy becomes a highway with traffic XD

Tinseltopia imagine though

So the red shift is just everyone's tail lights...

Too bad there are no other beings or habitable planets and stellar engines are impossible.

Watch interstellar highways by isaac Arthur

We need ministry of galactic transportation lol

I love this video, and I have a question, please be gentle. If the engine is producing thrust out one side, and thrust out the other to balance itself from falling in to the sun, wouldn't the two forces be the same force? It needs to not hit the sun, so it needs to balance it's position which means it needs to stand still...? where is then the movement of the sun coming from?

when it is balance the thruster and the sun become 1 object, that is when the jet from the thruster become the acceleration source for our sun. It's like you tug your car by another car, between 2 cars, the force is balance but the total acceleration of the 2 is from the one that is tugging. The jet shooting back is just the rope to connect 2 seperated object

This is probably my favorite video and that’s a tough call to make. I like all of them a lot lol. I find myself watching this one in particular many times.

I just hope that within the next 100,000 years, humanity will be able to stellar lift the sun.

in 12019 this make sense to me but in 12022, I have questions wouldn't the shkadov thruster just fly away with it's thrust? The gravity created by the thruster is too weak to pull the sun along? what if the caplan thruster doesnt push the sun, but only give the mass back to the sun, pushing itself and crashing into the sun? And how will it stay there without getting pulled by gravity when it's turned off? also what if the nozzle created by the caplan, burns mercury, Venus and possibly earth?

I want you guys thank you because thanks to you i know Little bit more and I am interested in space now more as well...seriously your videos are great

“Sir the humans are advancing” “What fleet is following them” “T-their whole star system sir”

lol yeah...

@Hitler - Senpai this is so incomprehensible Google thought it was another language lol.

This was the funniest youtube reply section I have ever seen lmao

*Pirates of the carribean plays*

Am I the only one who read this in the voice of a terrified B1 battle droid?

The caplan thruster journey sounds like it could be an interesting concept for a game

i’m a bit skeptical as sonce the sun is millions of times larger than the thruster, and since it is somewhat flexible and made out of goo, won’t the thruster just push a hole in the sun, moving all the mass out of the way?

I keep coming back to this video cause it's cool, but there's something that I feel gets super glossed over. "We only need to move the sun, all the other stuff is glued to it by gravity." I know the videos super oversimplify a lot for the sake of convenience but I really want to know how that works. Like I feel if I opened up Universe Sandbox (if I owned it) and loaded our solar system in, and then added acceleration to the sun it would end up throwing the planets orbits out of wack and causing issues

Not only that, but wouldn't our solar system passing close by other massive solar systems affect their orbits and equilibrium also? Could it be a domino effect that throws the entire gravitational orbits of the galaxy's stars out of balance? Perhaps a lot of math and careful positioning could avoid most problems, but we couldn't move through space freely without disrupting the gravity of any system we would want to pass close by.

I suggest a captain thruster JUST to extend the life of our sun. Maybe two pointed in opposite directions, so we could have a high-level k star instead of our current one.

My man designed a whole stellar engine just to be called "our science friend"

@Mister D I understand you mean the narrator, but you do know that Kurzgesagt is a team of 12 people, including writers, animators, researchers, and of course the great narrator 💯 One thing for sure, they are a great team‼️

Im sure that he got his credit in the description. They are usually really good about supplying links and resources in the description. I haven't checked yet, but I'm willing to bet they AT LEAST put his name in there

He's been helping them out since the earliest days actually! One of their first videos (mini black hole) featured his work.

makes me a bit scared

scottish people are smart

Brings a whole new meaning to "moving the heavens themselves"

For the shkadov, you won't be able to push it unless you glue the mirror with the sun (because the sun itself is still beaming in both directions). But how?

Now we need to build a galaxy thruster so we can become an intergalactic civilization.

This would be a really good sci-fi. An advanced civilization heading towards us to occupy our system

Kurzgesagt: causes their entire audience to experience a collective existential crisis with every video Also Kurzgesagt: *”Wanna see me move the Sun to a new galaxy”* *”Wanna see me do it again”*

S0... Are we TIRED of this Galaxy? Or are we talking about a time when the retrograde orbit of SOL (v/s the galaxy) has caused us to do a lap of the whole thing.... ??? Maybe NOTHING could make this make sense! People talk about BILLIONS of suns, and also about wanting a whole 'nother Galaxy!

That is actually possible. I heard it somewhere but forgot how it is done

@That way gaming I hope your not drunk HAHAHAHAH XD

@ABDI'S GAMEZ 23900 billion years later: let's move our universe into a wormhole and then combine our universe with another universe

dont make me turn this solar system around!

One if my favorite science channels I adore you amazing people.

Sounds like a good way to look for advanced extraterrestrial life would be to look for stars orbiting their galaxies in the "wrong" direction

PLEASE MAKE A VIDEO ON THIS: So, let’s assume you moved Solar system towards the centre of the Milky Way galaxy, the “conservation of Angular Moment” changes and the Time runs faster since its Relative. The solar system would spin faster and days and nights become shorter, since the sun is spinning itself, it would also spin faster and produce more heat and whole solar system would age faster than it should be. And it’s opposite would happen when solar system move away from the centre of the galaxy, the speed decreases and temperature would fall to a certain point. Please make a video on it

I have a question how big will the thruster need to be? If it's to big it will implode do to gravity.

"The year 12019 is bad but we will have another chance next year" That aged like milk

ahh yes... **COVID THAT HAVENT SOLVED YET.*

Hey man, congratulations on getting 6,900 likes!

that aged like milk that's already 99% spoiled

FRFR

Badly

Wouldn't this violate conservation of momentum though? How do you move a star without crashing right into it?

This may indeed be the answer to future interstellar exploration and solar system defense. Unless a hostile alien fleet can jump into hyperspace and show up, we can divert the whole solar system away from their rendezvous maneuver with Earth xD Or who knows, maybe we can bring the whole damn system with one jump one day, too.

1:38 so the idea of gravity kind of works, but you forgot about inertia right? Things moving (or not moving) want to keep moving (or stay not moving), so by moving the sun, wouldn't you mess up all of the objects' orbits as well? Kind of eliminates the purpose of moving you solar system out of the way of the red dwarf if your gonna get showered by space rocks anyway...

It's not really going to be a problem for things in orbit, imagine holding a lasso, swinging it around above your head and start walking . If you don't move too quickly the movement of the rope will stay pretty much consistent.