1,000km Cable to the Stars - The Skyhook

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Getting to space is incredibly hard, expensive and needs a lot of resources.
A more efficient way to get there is a Skyhook (or Spacetether), an ever rotating cable with a counter weight, that catapults spaceships from earth orbit into the depths of space.
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4 май 2024

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Комментарии : 24 тыс.

@kurzgesagt 4 года назад

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@nasirgoldbourne47 4 года назад

FIRST

@ethanfoo9154 4 года назад

Kurzgesagt - In a Nutshell Congrats on 10 mil

@lmva 4 года назад

Wait 3 days ago

@antoneeheathcote8825 4 года назад

Hey 10 mil

@angiekitchen4449 4 года назад

@@nasirgoldbourne47 No one cares.

@12345DJay 4 года назад

7000 BC : rock and a string: ultimate ranged weapon for hunting animals 2019 AD : rock and a string: ultimate ranged weapon for hunting asteroids

@HerrRussoTragik 4 года назад

So in 11038AD we'll be shooting people as projectiles from giant gun barrels?

@TheKitbaby 4 года назад

@@HerrRussoTragik why not a railgun using megnets?

@PsychoHam 4 года назад

Considering the string would fling humans, which are basically animals, and asteroids are basically rocks, you could exploit that technicality and say: 7000BC: Rock and a string, the ultimate ranged weapon for hunting animals. 2019: Animals and a string: the ultimate ranged weapon for hunting rocks.

@akeiai 4 года назад

@@TheKitbaby nope, bad idea. The friction causes the monorail to melt. Look at the US research about railgun, that's why they used laser

@CommunistSubRex 4 года назад

*12,019

@mustached_villain6354 4 года назад

Now: a Phobos skyhook will keep speed forever 2819: Phobos velocity crisis

@piguyalamode164 4 года назад

more like 12819

@andrewmurray9701 4 года назад

as of that point, I'm sure we will have enough resources to speed it up.

@LowestofheDead 4 года назад

The year 2372: Phobos has lost enough momentum from tether transport that it's hurtling down to the Martian colonies. The unsustainable energy supplies of our ancestors threaten our lives. Can James Bond and the rest of the Avengers defeat it? Find out, in Fast & Furious #137!

@hosoo195 4 года назад

@@LowestofheDead bruh

@Harpoika 4 года назад

2820 Phobos velocity crisis solved by re-directing and catching near passing asteroids to Mars surface. Metal prices plummet and the interstellar sling project gets a green light from the United Planets of Finland. First colony ship en route to deep space by 2850.

@peytonwm 2 года назад

Imagine Kurzgesagt develops a space colonization game with all of these elements they've discussed! And this art style would only make it better!

@AtlasStation-hu4fz 2 года назад

I would pay a lot of money to play that game!

@Earth_Luna Год назад

thats literally my dream

@ct7204 Год назад

Extremely underrated comment

@riskia2733 Год назад

I wish but like, they're too busy making high quality videos for us, what with managing merch too, if they somehow make the game tho I'd absolutely love it

@superNova5837 Год назад

I think someone said this in the comments of their stain sphere video

@williamknox4303 8 месяцев назад

There is one component here (That I can see) that would make this incredibly more difficult than it appears to be. In their video, Kurzgesagt noted that the tether would (at its lowest point) be at 80-100km going mach 12. For context, the fastest air breathing jet ever built is widely considered to be the SR71 Blackbird, which could climb to an altitude of roughly 85,000 feet (26km) and sustain a speed of mach 3.14. Constructing an aircraft that can fly at about 4 times faster and higher than this while carrying a substantial amount of passengers/cargo would be insanely difficult. I know Kurzgesagt addressed this in their video too when they said; ""We will need specialized spacecraft to get to the tether, while this isn't exactly easy [its better than rockets]." I just felt like this specific challenge could be covered a bit more in depth. I still agree with Kurzgesagt that this concept is way better than rockets however, also this was just my 2 cents. I am no aeronautical engineer and if I got anything wrong here then I am open to constructive criticism because I am like everyone else here in that I think it would be cool to learn something new today.

@CinemaWins 4 года назад

Even when a Kurzgesagt video ends with, "but it's impossible for now/we probably just haven't hit our extinction filter/heat death of the universe" type stuff I usually still walk away feeling relatively optimistic because there's always a chance... But then you throw sci-fi dreams of a Star Trek future at us and there's no real "but?!" I'm ready to take on the world today!

@greenmustard493 4 года назад

agreed

@unitNitro 4 года назад

Yo, I didn't know you watched Kurzgesagt? Love your channel btw

@linecraftman3907 4 года назад

The "but" this time is money and bringing an asteroid to act as counterweight. Ain't simple but not impossible

@KuZiMeiChuan 4 года назад

but if you time your swing a little incorrectly you fly off into the middle of nowhere and slowly die. There's the "but".

@CinemaWins 4 года назад

It's true, money and the accidental eternal vacuum of space are both 'buts.' BUT, both can immediately be overcome. Discovering/creating new elements or stopping some unknown extinction event are heavy buts. Heavy butts.

@d33pblu3 3 года назад

Imagine aliens bumping into our civilisation using some sort of warping technology and just see us yeeting our ships into deep space with a sling.

@gibbous_silver 3 года назад

They found us using our Caplan thruster

@divyansharse38 3 года назад

Easy and effective!

@user-fs7zv5zj6h 3 года назад

Aliens: You are meant to be professional and use warp tech. Us Humans: Haha, spaceship goes yeet.

@r2d2fromstartrack83 3 года назад

No, the eye is not here go away nomai

@chelseagonzales7584 3 года назад

Haha!

@tkhero7045 2 года назад

this is cool and all but just imagine the horror you'd feel missing the tether on your return trip to earth or Mars

@skootties 2 года назад

I guess you'd still need rocket propulsion as a failsafe. You wouldn't have rockets on the vehicles themselves because the whole point is to phase out rockets, but could rescue vehicles be stationed in orbit to catch anyone that got away?

@fatboychummy 2 года назад

The tethers fling you much much faster than a normal rocket flies. The amount of fuel required to do a recovery would be more fuel than we have on earth, most likely, as not only would you have to catch up to them (ie you'd need to be flying faster), you'd need to also be able to invert your direction of travel and then slow down again when returning to the planet. Even then, would both crafts have enough oxygen to survive the amount of time it'd take to recover? I'm sure the recovery craft would, but I doubt the "lost" craft would. Unfortunately this entire idea is probably unfeasable due to this. The risk of missing a tether would be too great, basically a guaranteed loss.

@Cesp43 Год назад

@@fatboychummy bro, we literally already have aircraft that can go that high, and also getting an aircraft to go 12 k kmh rather than 40 or 50 k kmh. If we want an early and efficient space travel machine, this is it.

@Cesp43 Год назад

@@fatboychummy and the cost efficiency would easily overide any lost aircraft, and plus if we actually coordinated the launches, less aircraft would be loose, like airplanes. Finally even this method is till a lot safer than going 40k and crossing your fingers you don't randomly blow up

@antimarmite Год назад

@@skootties the ships themselves still need rockets to get up to the tethers, so you could have extra fuel in those for course corrections, using a nav computer to calculate the necessary corrections,

@mx.horrorwood5003 2 года назад

this is probably one of the most fascinating concepts i've ever heard. a concept so simple that its crazy we haven't started working on it yet.

@underpussy_ 2 года назад

that's why: the idea is still very unfinished and not currently possible, and lmao imagine if US government cared about anything expect of their military. And we also have enough problems on earth.

@teopalafox Год назад

@@underpussy_ The US government and their military is the reason you have access to all this information.

@riteshsawali264 Год назад

But making is 1000km long tether looks impossible right now

@BioTheHuman Год назад

@@underpussy_Not doing things because "We have enough problems on Earth" is such a stupid excuse to block progress. The smartphone you're using right now exist thanks to technologies that we invented to reach the Space. Innovation sprouts from everywhere, that's why is important to follow our curiosity and strives (as humans) in general, you never know what an "useless" research will give you back :)

@ketanpethe5982 10 месяцев назад

@@teopalafoxAnd all that information was found in pursuit of what? Weapons of mass destruction, that's what. US and it's Military are too dangerous to be let out on Mars, they might find enough Radioactive Elements to blow up the entire planet "on accident". Nope, not kidding. Look up the devil's core. That's Americans for the world. "Accidentally" killed many of their own people, not once, but twice. For what? The "freedom" to want to use a screwdriver to separate objects that would otherwise necessitate insanely more secure solutions to keep apart. No thanks, keep em away from Mars.

@annika4545 4 года назад

* pokes NASA with stick * "Do something."

@somethinggood8272 4 года назад

They would but all the money goes to the military, kinda sad.

@BitcoinMotorist 4 года назад

Why would you assume it should be NASA doing this? NASA doesn't want to build the infrastructure that could see its tax cattle flee Earth

@David-ys4ud 4 года назад

@@somethinggood8272 your statement is so incredibly false. The military's budget is dwarfed by Medicare and Medicaids budgets.

@annika4545 4 года назад

@@BitcoinMotorist I don't know. Let SpaceX do it then🤷‍♀️

@BitcoinMotorist 4 года назад

@@annika4545 Believe it or not I am not an Elon Musk fanboy. Hopefully SpaceX gets some free market competition eventually

@deathbyseatoast8854 4 года назад

Sci-fi: “We can travel the solar system with great rocket ships and warp speed technology” Real life: *S H I P Y E E T E R*

@biccracccb9442 4 года назад

Nobody This comment: S H I P Y E E T E R

@Nico-dt5hu 4 года назад

Nobody The reply above me : Nobody This Comment : S H I P Y E E T E R

@finjaquetemumnomeaqui4838 4 года назад

Nobody: The Nobody meme: Overused This Joke: Original

@mcthrull7417 4 года назад

Nobody: Nobody: Nobody:

@essae9066 4 года назад

Nobody This comment: SHIPYEETER

@user-ty2fn2db8g Месяц назад

Some kid in 3009: falls asleep on the buss, misses their stop, and is now travelling at Mach 25 towards deep space

@justrandomcontent977 Год назад

Imagine seeing a skyhook just chilling in the night sky.

@thecomet8759 Год назад

Would be the best day of my life

@That-fallout-fan 8 месяцев назад

That would be eerily cool

@HenryMiller-ox1xu 7 дней назад

Wouldn’t it be moving very fast? That would be so cool!

@a1r592 4 года назад

"We missed mercury..." *oh shi-*

@subhasisbiswas1113 4 года назад

Dang... RIP

@dmax1 4 года назад

Straight to the sun lmao

@Aaron-ew5zw 4 года назад

"This will sure brighten our day"

@benzenehydrocarbon 4 года назад

*oh fuck*

@kebien6020 4 года назад

@@dmax1 Isn't the sun actually hard to reach? You'd have to accelerate a lot in the oposite direction of your "orbit" to be able to fall into the sun.

@MrWAREO777 4 года назад

Kurzgesagt: Space tether Me an intelectual: Sky Trebuchet

@RaviRathore7 4 года назад

Catapult better.. Hate comments incoming.

@bendeguzszabo9640 4 года назад

Ahh a man of culture, I can see

@lankylizard3584 4 года назад

@@RaviRathore7 WRONG

@joyce_rx 4 года назад

@@RaviRathore7 Listen here you little shit

@joyce_rx 4 года назад

@@seamossyt YES

@chair._ Год назад

I can't imagine all the brain-melting calculations and problem solving you would need to be able to catch rockets with one spinning tether orbiting a moving planet or moon to another spinning tether orbiting another moving planet or moon 💀

@Triobian Год назад

thats why funding stem is important. astonomy, engineering, and math. plug those into a computer and it now is possible

@chair._ Год назад

@@Triobian true, but sadly the government probably wouldnt pour billions to make this idea into a reality anytime soon...

@akhipazham7270 Год назад

IKR The physics & maths involved would be soooooooooooo high level and we have to fool proof it

@vitcermak7737 Год назад

In the end, it's just about the calculation, it needs to be very precise and very reliable. I'd say we've got technology for it, just another C program running with enough computation power. What I'd worry about tho is the dread when on one day, you get production bug, meaning there is a rocket which missed it's sling and is now on its way to exit solar system. That's gonna cause some headaches..

@voodoominerman Год назад

Honestly, I don't think it's all that complicated. You know how much momentum the skyhook transfers when it yeets a payload, because you designed it. You know the mass of the payload, because you approved it. Using those, you can calculate the velocity that the skyhook will accelerate a given payload to. At this point, it becomes the same as flying a conventional rocket to another celestial body. You can precisely calculate arrival time because the orbits of those celestial bodies don't change. Yes, you're aiming for a moving target from a moving platform, but you know precisely where both you and the target are going to be at any given moment. Once the payload is at it's destination, you just do the same thing in reverse. You know how much momentum you need to arrest, you know the capabilities of your skyhook. It's basically just a matter of not accidentally over or underspinning the skyhook, which is basically down to good planning and emergency engines.

@magical_Crossong 2 года назад

No matter how many times I watch your videos, I always am fascinated how much information you pack in them.

@starting7725 3 года назад

People in 1990s:In 2050 we’re going to colonized planets easily with super fast engines and complex stuff 2050: rope

@rileysrandom9835 3 года назад

I mean its true

@daveshusband2606 3 года назад

@Killerpu Playz well isn't that ironic

@starboi141 3 года назад

@Ali Fatih Yılmaz How can you expect humanity to build some kind of spacecraft, when even the cure for Covid - 19 isn't done yet?

@souffle420 3 года назад

If it seems stupid but works well then it's not stupid.

@Ash-em5pm 3 года назад

@@starboi141idk about that mate, I just got vaccinated for covid a week ago.

@XuriFenton 3 года назад

2050 math teacher: If the teather crosses the north pole at 5am at 500kmh and the spaceship takes of from Iceland at 4am at 250kmh . Calculate the speed and angle that should be taken for the ship to land safelly at the moon station by noon. Justify your answer.

@_mossy_8520 3 года назад

Sounds like extra hell

@telescopesfs-officialchann3897 3 года назад

Yea. That would be horrible

@isaacolaves 3 года назад

Glad I wont be in school in 2050

@cinnamonshake45 3 года назад

More like physics

@Drewengtheway 3 года назад

you can just add the departing hours on google maps and see the time of arrivals

@dustyartz4108 2 года назад

I know this video is 2 years old now… but this is still one of my bigger space dreams. Idk if there’s any updates but I hope those are positive

@AlbertoRodriguez-oe6jo 2 года назад

The part where this idea was not obliterated down to the ground was surprising, and if that's the case, this is the next big thing related to space I'm really looking forward to.

@mangoshi1251 3 года назад

“Grandpa, how did we first get reliable access to Mars?” “Ah, the space yeeter.”

@edggui5860 3 года назад

Hehehehehe

@jerry3306 3 года назад

Haha yeet

@Finkers1988 3 года назад

Ah yes, the first ships to fly to mars: the yeet-fleet

@sanjaynarkhede7797 3 года назад

Its is not yetter its tether

@319B 3 года назад

Y E E T

@scoringdigitsson.5194 4 года назад

2019: SpaceX 3019: *YeetX*

@badflamer 4 года назад

Nah Nah man. It's Kobe for accuracy.

@wallahhabibiiii 4 года назад

Oh my god yes

@aqif5257 4 года назад

I wanna know how the heck did you get 300 likes in 30 minutes

@DigitalicaEG 4 года назад

YeeZ

@jesus7486 4 года назад

We don't have to wait 1000 years for this to happen. It will probably happen in this century.

@beanboiz3381 2 года назад

I'm 14 and I'm really hoping I can see this kind of stuff happen one day!

@Oeltanker 8 месяцев назад

No you wont putin will come with his nuclear bombs before that

@pedromartins6810 8 месяцев назад

Im 17 and the idea that when I become 80 and my family might take me on a trip to space is wild

@hisas 3 месяца назад

U want some candy?

@basvandepitte2917 2 месяца назад

@@hisas dude, so uncool, they clearly have a passion

@SquirrelTheSquirrel Год назад

I love this idea. I once read a book about people who used rocket propelled counterweight and centrifugal force as an elevator to orbit. It was a funky work of fiction.

@fomalhaut3451 4 года назад

Kurzgesagt: hope for humanity Me: *waiting for the drawback* ... ... ... :D

@JamesQuintero18 4 года назад

There's always a drawback! If everything was so peachy about a skyhook like he says, then NASA would already have plans or already implementing it. It's probably high cost, a logistical nightmare, or other reasons.

@satanas1729 4 года назад

@@JamesQuintero18 it's highly possible that the idea is new or that it wasn't verified with proper simulations before. Science takes time.

@josephconway1526 4 года назад

@@satanas1729 It is not as new as you may think. The idea goes all the way back to the 70's. You are correct on the need for technological development. After a study in 2001, NASA said that there are no "fundamental technical show-stoppers" but we are still a long way off from even testing it.

@josephconway1526 4 года назад

@@themachine9366 You are correct that there have been many tests with tethered satellites. I meant the full scale version. Sorry for the confusion.

@dusty6299 4 года назад

one day a giant skyhook will crash on earth.

@pleasesubscribeforaburrito7904 4 года назад

This is like missing a bus on another level

@Xendruis 4 года назад

true dat

@squidwardtentacles4610 4 года назад

on a space level

@negvey 4 года назад

a short bus?

@-etaq8474 4 года назад

Especially for arriving spacecraft, if you miss the skyhook, you may end up being lost in space.

@Orionrobots 4 года назад

@@-etaq8474 depends if you have enough delta-v left to make orbit at the tether outer height... a bit of a safety feature that. Probably still less delta-v than getting back out of orbit.

@CaspersUniverse Год назад

This is a great video! Really loved how the swinging animations made it clear what was happening, very interesting!

@noahnatanson7571 Год назад

The video was amazing , and it opened me up to a whole new world of ideas about our world/universe. Thankyou

@Winther83 4 года назад

"invest in passenger comfort" -- Airline Companies has left the chat--

@austinn_6161 4 года назад

Freddie Does Stuff lol

@lorelo. 4 года назад

But if it's for more money you get comfort? * Airline companies has entered the chat *

@Winther83 4 года назад

make backroom deal between each other cram as many as you can into the ship without comfort in mind just horrible enough that they still come back. have the same price tag since there is no choice. common and standard tactic and money is more important than the traveler. so i don't think they are coming back.

@Prince_Dracula 4 года назад

Lorelo DahWeirdo no one cares

@MatterBeamTSF 4 года назад

This is really important if you want passengers to sit in your transport for 3 months!

@TheShadesOfBlack 4 года назад

I really hope I'm alive when stuff like this starts happening

@twaynewade2544 4 года назад

Maybe if you're young.

@christiandauz3742 4 года назад

Scandinavia and parts of Western Europe will go there Wouldn't surprise me if so many Americans, Russians and Chinese renounce their oaths of allegiance just to go to space Earth is going to be a pollutted graveyard because of some god-damned racist Republicans!

@thecommentpolice8115 4 года назад

@@christiandauz3742 nobody reply

@KTHEDEVASTATOR 4 года назад

@@thecommentpolice8115 HAHAHAHA

@dr.apollo4226 4 года назад

We’ve already experienced tremendous changes in technology on Earth, but going beyond our planet unlocks a new era on the timeline of humanity. If you want to see this stuff happen while you’re alive, make it happen! I believe in you.

@beans7845 2 года назад

Your videos are just Amazing! They are brilliant and gives all the info you need! You put so much effort and it surprises me that this is free! I hope you continue things like this and putting into into simple animated videos! 🌟

@AvadaKedavra22197 2 года назад

i cant WAIT to use this in the sci-fi blades in the dark game im about to run. absolutely had my jaw hanging in awe at how beautiful science is

@Nameless-yo3hl 2 года назад

Can't wait until we will have our first Yeet Fleet.

@chrisclifford7080 2 года назад

YEET FLEET! Why stop there U.S. football should be called Yeet prolate-Spheroid

@ultraapple3997 2 года назад

But there's a downside, nobody want have a big stupid dangerous thing in the sky

@Nicox-cw6zu 2 года назад

That will be the name

@danielsanjuan7762 2 года назад

@@ultraapple3997 isnt that dangerous unless it gets close to mountains cause it can stop the hook from moving

@SirNobleIZH 2 года назад

@@danielsanjuan7762 mountains at most are only about 8 km tall, the bottom of the hook will be 10-20x higher, there is no danger of it hitting mountains. The only danger is if we use up too much momentum, and the hook falls into the atmosphere

@TheArnal503 4 года назад

Kurzgesagt: Tether Me, an intellectual: *SPACE YEETER*

@frapzilla98 4 года назад

Good trip? Good yeet

@dustyrean 4 года назад

Me XD

@lucastornado9496 4 года назад

Ngl...

@spicygoodness3573 4 года назад

God I hate you so much lmao

@nonamea9177 4 года назад

Indeed

@eeti5658 2 года назад

this is one of the vary rare kurzgesagt videos that not only gives me knowledge but also hope, the others are great but they're usually about subjects I'll never see or have anything to do with so this is great (hopefully, i swear if i never see this in my next 60-70 years of life i will throw an old man fit)

@lukehayes1397 2 года назад

one of the best ideas i've ever heard about space travel. Someone needs to do this.

@neatpolygons8500 4 года назад

Major problem needs solution Elon musk: orbit refuel Nasa: more money Kurzgesagt: *FFFFFLIIINGGGG*

@IIIRobIII 4 года назад

*YEET*

@asakasakura5312 4 года назад

Glenn Renner XDD FFFFFLLLLIIINNNGGGG ppl to MARS

@neatpolygons8500 4 года назад

@@IIIRobIII BIG SPACE YEET STICK!

@aronlinde1723 4 года назад

Best reason to have high atmospheric refueling is getting a station on the moon. We need an industrial infrastructure to build orbital platforms. I wish we invested in a rail lift platform. The US has a perfect launching region that most of the world lacks. The desert of the southwest US is ideal for it.

@joakimhagen8428 4 года назад

Use fuel as the tether weight, refuel as you get flung!

@andrw1979 4 года назад

Ship: *accidently gets flung into the void of space* This little maneuver is gonna cost us 51 years

@pandoratheclay 4 года назад

Chris 5100 years*

@benurm2390 4 года назад

>5100 years And it's not exaggerating!

@Crisjebou 4 года назад

Interstellar?

@sasddu7926 4 года назад

How do u do bold letters

@pandoratheclay 4 года назад

Siddanth raja *like this*

@WinterNox 2 года назад

You're my will to survive, the quality of your videos is unbelievable

@theplague5803 11 месяцев назад

Man, how lucky we were to get more than 6 plants each with their own unique resources and advantages

@O2F2 11 дней назад

A lot of planets in our galaxy could provide the same resources as any of the rocky or gaseous planets, the only special one is earth

@armo5637 4 года назад

Worker: Sir, bad news Manager: What? Worker: *We missed Mars*

@lordelliott42 4 года назад

Yeah, if you _miss_ you won't have fuel for a correction, will you? Kind of a big flaw in the idea, at least for human transport.

@chandlierbirchfield6810 4 года назад

That was my first thought lol

@b1ff 4 года назад

Manager: Good thing it was simulation 42 out of 237,000, huh? Don’t worry, by the time we get back from lunch, we should be at simulation 3,200 or so. So you feeling like sushi, tacos, or pizza today?”

@indoorkite651 4 года назад

This could be a problem, however it wouldn't be if we had some sort of lost craft recovery system. Like a big ship that goes and catches the missed ships. That would be expensive, but nothing that good ol capitalism couldn't fix I'm some way

@MrElis420 4 года назад

@@indoorkite651 Good luck getting the funding for that lmao

@eritsia 2 года назад

1900’s: We’ll be making flying cars! 2050: lol let’s conquer the solar system with *r o p e*

@chrisspecht2988 2 года назад

Arguably cooler

@juststevoo 2 года назад

_N Y L O N_

@yurigouveawagner9432 2 года назад

you yeet the fleet and... that's eet

@Alex-02 2 года назад

@@chrisspecht2988 Arguable? Not even. Non-negotiable? Yes.

@theacegamingdemon6983 2 года назад

the peasant's sling is apperantly the ultimate technology. why stick to just throwing rocks when you can throw SPACESHIPS

@10-den-see Год назад

All of this brings tears in my eyes. How beautiful is science.

@BartyTheParty Год назад

This is such a cool idea I'm actually crying over it right now.

@frostwyvern 4 года назад

I love how this sounds more science fiction than just a really big elevator and yet is more reasonable to achieve

@kuniosaiki 4 года назад

It’s like Roald Dahl but real

@user-bh6cz8kp4q 4 года назад

design is practically impossible anyways

@Yamyatos 4 года назад

@@user-bh6cz8kp4q What? Sky hooks are legit possible.

@sdrawkcabmodnar 4 года назад

@@Yamyatos Okay so as possible or legit as you might think they are; the challenge of finding the proper balance in momentum, accounting for space debris, manufacturing materials that can handle all that wear without risk of breaking before replacement, not to mention it's really easy to plan this stuff on paper and say yeah that looks good. I want you to go to nasa or elon and ask for funding for skyhook watch em laugh at you and sit you down and explain how maybe, maaaybe the initial idea was plausable right, but when it gets down to it at the very least you risk causing general instability within the solar systems respective orbits The solar system as we know it has been altered just by the rockets we've flown to the moon, and the satellites and what have you that we've launched. (Yeah, it hasn't changed anything in any real noticable fashion; yet, but imagine human expansion especially once we're harvesting asteroids) Now; look at something like the tether, short term, sure its not gonna do much, but if you dont balance that expenditure of energy and the sudden addition and large influx of mass being thrown around that grows over time, and in fact draws on the very planets and moons rotational velocities and momentum to accomplish this. Not to mention this will affect small orbital bodies such as asteroids/meteors etc., carefully plotted out courses will be altered and will assuredly result in earth strikes that will need to be prevented. Let me guess, y'all gonna throw a nuke at it with a tether?

@Yamyatos 4 года назад

@@sdrawkcabmodnar Nobody is saying it's super easy, and all you just said is rather common knowledge concerning some / most space travel methods. However, while earth may not be the ideal place for it (not saying it's impossible) due to space debris, scientists write paper about the physical capabilities of these systems since the mid 20 century. So while you may not get funding for it until we solved a couple problems and concerns, if you say it's an idea without a future, you are disagreeing with the scientific consensus.

@paulpruett7956 4 года назад

Imagine messing up the calculus and getting flung straight into the surface at Mach 10

@garethrees6795 4 года назад

Paul Pruett talk about a one way trip to mars😂😂😂

@dasbubba841 4 года назад

Overnight shipping or it's free!

@ThePandarrrr 4 года назад

Sweet

@nickmcdonald3083 4 года назад

It's trig not calc

@VROGamers 4 года назад

i mean... that would leave quite an impact :3

@solgamerworld2807 Месяц назад

after all these years this is still my favorite of one of your videos and i have watched them all

@uniduckus 15 дней назад

This piece offers a fascinating glimpse into the potential future of space travel. The concept of the Skyhook and its implications for space infrastructure are both innovative and thought-provoking. It's exciting to consider how such advancements could make space exploration more accessible and affordable for humanity.

@Technodog 4 года назад

I was waiting for the “but” and he never said it...

@neerkoli 4 года назад

Swear to God, I was too!

@derekzamzow1338 4 года назад

Yeah, only problem I can see is that it would just be complicated to time everything correctly, but it's definitely possible. I mean I think air traffic control is probably more hectic.

@bingus6050 4 года назад

Derek Zamzow Yeah that’s what I was thinking however I feel like it would be as complex as rendezvousing with the ISS so??

@xxoan.1613 4 года назад

@@derekzamzow1338 Ten years ago que though the same about rocket landings

@derekzamzow1338 4 года назад

@@bingus6050 yeah I think there would definitely be some accidents but in general I believe it would be possible

@thesammo4499 4 года назад

I really hope I'm gonna be around to see stuff like this happen

@sebastiandevosi7043 4 года назад

Sure you will don't worry you have long life

@joweydelanota5558 4 года назад

I hope im not alive to see an idiot investing on this idea. Do you have sny idea how many rps this tether would have to be spinning while sustaining orbital speed in order to become a viable choice of propulsion? Lol

@robbieaulia6462 4 года назад

@@joweydelanota5558 so what are you gonna do make a bunch of expensive reuseable nuclear fueled rocket like elon musk plan? If you want to do that you must use an energy source that is unlimited. Lets say we will need the dysons sphere first before we can do that

@lucasmontec 4 года назад

@@joweydelanota5558 I mean, do you? Have you done the math? Anyone with basic physics knowledge knows that it is clearly not about the RPS but about the length of the 'arm'. If the hook is long enough, even a really low RPS is enough for meaningful propulsion. Torque is a relation between the length of the arm, the force applied and the sin between the force direction and the radius direction. We are talking about a ~1000km cable with an asymmetrical weight. Also, since we are talking about space, the final velocity achieved by the hook is kept by the vehicle. Since the vehicle mass is way lower than the hook's mass, the energy transferred to the ship is significant.

@adri94salts 4 года назад

Climate change...

@sneett7670 Год назад

This is the only video on the internet that successfully gets me motivated to wake up and build a future full of possibilities and change. I would do my best to make this a reality or atleast contribute to the idea be spending it.

@labbit3574 Год назад

Kurz makes these sci fi concepts sound like stuff you’d be able to see within your lifetime and also make it sound like easily doable

@risingSisyphus 4 года назад

"like a catapult" I think you mean like a trebuchet, the superior siege engine.

@5000mahmud 4 года назад

achillesRising, the Knight of Rage back to reddit

@diegosanchez894 4 года назад

90kg, 300m. Need I say more?

@pietervannes4476 4 года назад

trebuchets are catapults though

@luizfelipedeoliveiraandrad888 4 года назад

@@pietervannes4476 SHUT

@unclekanethetiberiummain1994 4 года назад

@@pietervannes4476 Degenrates like you, belong on the cross.

@LOCALIZACIONREMOTA 3 года назад

"Hey Ferb, i know what we are going to do today"

@PallabDutt 3 года назад

I'm gonna tell that shit to mom.

@hey_therexd 3 года назад

Who is Ferb?

@ahaokatano3153 3 года назад

@@hey_therexd Phineas and Ferb

@hey_therexd 3 года назад

@@ahaokatano3153 I still dont recognise them, is this some kind of a show or what?

@loretus3512 3 года назад

@@hey_therexd yeah

@mylaxkindflame2831 10 месяцев назад

Every time I watch one of these videos I grow evermore determined to become an Aerospace Engineer. I think if I can work for NASA and help bring us just one step closer to our future in the stars, I’ll have done what I was spawned on this space rock to do

@viniciusfernandes2303 2 года назад

Thanks for the video!

@anthonyjackalone1846 4 года назад

Imagine missing the receiving tether and getting yeeted across the galaxy...

@fixablehalo 4 года назад

Oh heck

@Zer0_Flowers 4 года назад

Well, better hope you don’t have motion sickness

@steffen5121 4 года назад

Shieeeet

@allenwright123 4 года назад

I was thinking when he started talking bout Mercury and Venus, "What if we miss the rope?" that's a straight shot to a burning death.

@damakuno 4 года назад

I'd imagine they could fling the ship into orbit, so that it can try catching it again in the event of a mishap, that or the ship has enough fuel on board to make adjustments to its trajectory

@RGBY-tv4hg 4 года назад

The last words NASA heard from the rocket: *“Go long”*

@ishaqtayab4965 4 года назад

Lol!

@nixpaFPS 4 года назад

The profile pic and name makes me think all u do is just comment. Lol

@luckytaco4344 4 года назад

More like YEET

@opheluna 4 года назад

"Grover go long."

@Ruby-Doc 4 года назад

*_[Hah!]_*

@dgd947a15fl 2 года назад

Something similar to regenerative breaking could be used to slow down the tether when desired and convert some of the energy back to a battery.

@TheLYagAmi 2 года назад

It’s fascinating how much of scientific theories actually found their genesis in the arts. Artists and creatives really do think of the most insanely plausible/implausible theories.

@z.xdtcfy 4 года назад

"Oops we missed the Martian tether. Welp, we're in an expedition to the asteroid belt."

@yakarotsennin3115 4 года назад

Ishaz Balao To Jupiter and Beyond!!

@theonejackal89 4 года назад

To be fair, its the same idea for Aircraft on Earth. And besides, there'd probably be more tethers than just 1.

@sarcasticguy7771 4 года назад

@@theonejackal89 Except if you miss on Earth, you actually have a chance of surviving

@trazyntheinfinite9895 4 года назад

@@theonejackal89 what. the only place we catapult airplanes is on aircraft carriers. because the deck is to short to get the speed needed for takeoff with engines alone....

@ThomasNing 4 года назад

Fireice 999 but aircraft can try again multiple times. No such thing with 0/minimal propellant craft.

@FALslayer 4 года назад

Imagine studying economics on an interplanetary scale that'd be next level.

@jellymc2877 4 года назад

I'd be so excited to do that.

@anti_neon8910 4 года назад

Imagine a World War?

@mitaka_78 4 года назад

Hmm...if we harvest the Ploxanium we could get 500k per kilogram, but if we harvest Slovenarium we could get 100k per 1/2 of a kilogram and its easy to find, while Ploxanium is harder...which one should we harvest?

@Tylernal 4 года назад

supermacro economics

@imaginationcore2104 4 года назад

@@anti_neon8910 *worlds war

@toddboyce3599 Год назад

This will be like the orbiter in Mars Sample Return. A Rover will collect Percy's sample tubes, give it to a lander, which will launch it and than a orbiter will catch the payload and launch it again to correct the course and for the extra speed. (Where will the sample land though? Imagine its night and your waken up by a hole in the ceiling and sample tubes on the pillow next to you.)

@ICESat-2 3 месяца назад

This is seriously my favorite megastructure of all time OMG!!! I remember making a huge plushie of one last summer and watching this video with her and saying “that’s you”. And I’d spin her in circles until she hit the wall and my mum told me to stop “hitting the skyhook on the walls” and I was like “ok” and I still did it anyway lol! I’m literally addicted to this specific video on a hilariously unhealthy level and every now and then, at family gatherings, I’ll just tell my relatives random skyhook facts and they’ll look at me like 😐 and then I pull out *the skyhook plush* I love your videos and I *friggin’ love Skyhooks!!* ❤️🌎🐦‍⬛

@akes9793 4 года назад

Scientists when thinking of how to get to space: Maybe just the tip.

@fleurgymcheurgy9267 4 года назад

I'm afraid to like this mecause right now it's at '666'

@TheBenduOrder 4 года назад

It's like Interplanetary Angry Birds with more than one of this hooks!

@j.prt.979 4 года назад

The Bendu Except we’re hopefully not slamming our Angry Birds into large, destructible structures

@matthewlobo254 4 года назад

@@j.prt.979 the military would like that very much wouldn't it?

@pritam4227 4 года назад

@@matthewlobo254 thats true man

@dongiorno3393 4 года назад

Angry Birds Space it is

@potatocat8384 4 года назад

Lol

@anonimanonim2710 7 месяцев назад

There's also the problem of synchronizing the throwing and catching tether for each and every ship

@Drewid44 10 месяцев назад

This is such a genius idea! I think this will work!

@fireaza 4 года назад

Problem: It's expensive and inefficient to use rockets to send stuff to space. Scientist (possibly high): "What if we, like, threw the rockets real hard?"

@hojdoj3567 4 года назад

*yeet the rockets real hard

@evanescentenquirer2684 4 года назад

*Elon Musk on weed

@nick673 4 года назад

Yea like a catapult

@drike_12 4 года назад

@@CodeCombine No u

@RaskaTheFurry 4 года назад

Throw ? Yeet

@legoman1690 4 года назад

In 2019, Kurzgesagt taught us that "Yeet" was in fact the solution

@Chibbygaming 4 года назад

Yeah Dude obviously... Geez c'mon! am I right Caitlyn! *high five*

@Mgl1206 4 года назад

Caitlyn April riiiiighhhhttttt

@tf2oshaaa 4 года назад

Caitlyn April what an intellectual brainlet

@theoffbeatninja610 4 года назад

Nice pfp OP

@theoffbeatninja610 4 года назад

But yes indeed. It's all a matter of the velocity and trajectory of the yeet. Once you've figured that out, there's no limit to how far you'll yeet!

@johnbutt5156 8 месяцев назад

Better yet you could have 2 skyhooks. A small one that delivers you into low orbit and a really big one that throws you towards a planet. You could have a very large dedicated space ship that gets caught by the big hook, slowed down and released into low earth orbit. There it would exchange passengers and cargo that were brought up in a different ship by the small hook, before being picked up again and thrown at a planet. That way, each ship could be more specialised which would save on costs, allow for more room in the big ship and you could even turn the ship into centrifuge using the teather and weight design which would insure no one suffered from bone degeneration. Also, because the big skyhook would be out of the way in a large orbit and not have to withstand the atmosphere, it could be alot biger and spin much more quickly which would increase speed and further reduce travel times.

@victorkristensen7395 Год назад

this is an brilliant idea since its so cheap and not too hard to construct.

@n0rdlys_40 3 года назад

Aliens: So how did you conquered a quarter of the Galaxy? Humans: We attached a can to another can using a rope

@toasterkolin9951 3 года назад

Aliens: Really? We did that too!

@sonofniptwitgaming6641 3 года назад

: )

@RavenWolffe77 3 года назад

. Humans: We attached a can to another can using a rope, and then used it to fire Kinetic Kill Vehicles FTFY

@chasetoyama8184 3 года назад

Aliens: aah yes, the galactic trebuchet Don’t get technical with me here, I know it’s not galactic

@sneakyturtle1117 3 года назад

Humans: we are trying make a dyson sphere but it will take a while. What about you......

@Moon_Jam08 4 года назад

In the future: "OMG mom, I will be late for Christmas, I friggin' missed the space hook"

@hashkeeper 4 года назад

Excellent comment hahaha

@ActuallyRocatex 4 года назад

wait like 3 hours and try again

@ShawnLH88 4 года назад

Aldrich Luna I don’t think Religion (like Christmas is about) will exist much in interplanetary future. People will finally abandon that fairy tale since science will always win

@rasmuswaagoe 4 года назад

@@ShawnLH88 I don't really think Christmas is about religion anymore. It has become tradition and is more about being with family and such values

@elgato9o 4 года назад

@@ShawnLH88 and who in their right mind would choose to ignore a holiday where you are free from work and get presents? What a foolish comment

@jameseddleman6944 Год назад

Wow, just thinking about it, when tall ships and sails were around, took around 2 months or more to cross a large part of the ocean. Now we are crossing space in that time frame.

@oblisake Год назад

This is really interesting, i am gonna use this topic in my science exhibition

@nels6991 4 года назад

“Phobos is so heavy we don’t need to worry about slowing it down.” .... let’s hope the math is right on that

@Kredige 4 года назад

The amazing thing about stuff in a stable orbit is that they remain stable even if you mess with their velocities. It changes the shape of the orbit and the distance between them, but if the change in velocity is slow enough it will remain stable. The reason the International Space Station can't just rely on this is that it's too close to earth's thick atmosphere, but that not really a problem 6000km above Mars.

@cherrydragon3120 4 года назад

I mean... phobos is so much heavier then ANY cargo we would send up in space... Even if velocity slowed down. It would be like 0.000000000000000000000000001% per trip or even less. Making it pretty much impossible for phobos to slow down enough for it to be unusable as tether for the next 10 Millenia at the very least

@Moechtegernpilot1 4 года назад

It will give colonists a lot of ahem headaches...

@ATFPredator 4 года назад

LOL!!!! - since if it's not the entire system goes FUBAR and there's no way of compensating since it's already deployed.

@Blitzkugel100 4 года назад

@@Kredige Are you saying that if we slow down phobos, it just adjusts its orbit to 6000.0000001 km?

@jacksonbentley1352 2 года назад

When I heard this I was shocked that Humanity hadn't achieved this yet. Also having the drive to advance our species that I am currently trying to bring this idea into reality Thank you Kurzgesagt-my favorite channel on RU-vid. Keep doing awesome work Cheers to a very hopeful 2022 (or i guess 1,2022 as fellow birbs would say)!

@jieqiaohome Год назад

This is perfect!

@sirapple589 4 года назад

Kurzgesagt’s animators never cease to amaze me. That animation of the 80-96% of ship size reduction was so beautifully done. I hope you’re paying them appropriately.

@Dionn91 4 года назад

You can help by becoming a Patron! :)

@sirapple589 4 года назад

Ryan Dion If I had the funding, I would. EDIT: Bird-Me is something I want.

@larrysal8866 4 года назад

_is that a threat_ xd

@sirapple589 4 года назад

Larry SAL “You sure got a lotta nice stuff around ‘ere Mr Voiceover. It’d be a shame if some of it got broken”.

@larrysal8866 4 года назад

@@sirapple589 ;)

@dyzaaster 4 года назад

"The Yeet String"

@andersenzheng 4 года назад

This name along can gain $69m fund.

@boyjacobson8663 4 года назад

The old TYS

@NobleVagabond2552 4 года назад

*Yeet Sling

@august1871 4 года назад

Sign me up for a ride on the yeet string, chief.

@tuvadaloglu5784 4 года назад

@@andersenzheng nice.

@jaysinha0 2 года назад

Fantastic idea that we should implement as fast as possible.

@lightningsmilies8711 2 месяца назад

This is my favourite kurzgesagt video even though for me now it was 4 years ago❤.

@notniko 4 года назад

Aliens: we use blackholes for space travel Us: ever heard of angry birds?

@KishoreMorax 4 года назад

🤣

@SparseB 4 года назад

Spinning black hole energy

@legendarytat8278 4 года назад

@sky3fall866 4 года назад

Lmaoooo

@thisisarjunbutwhythehellar6188 4 года назад

I found my lost brother

@Thuammm_7 2 года назад

It's all fun and games until you miss the other skyhook and just sit there like: "ahh crap I hope there's one on Jupiter"

@duck1sgood 2 года назад

It's all fun and games until you miss the last skyhook and just sit there like: "Welp I guess we're going to Alpha Centauri"

@TalynCo 2 года назад

"Well guess we're gonna go see what the voyager probes are up to."

@nicholasdarrylh.9062 Год назад

shite fellas, looks like an impromptu exploration mission to me

@ely2445 Год назад

The space equivalent of missing your highway's exit

@Incrazyboyy Год назад

@@ely2445 exept the highway is infinite with no other exits

@Adam-hb4cu 2 года назад

Hi I am in third grade of aerospace engineering and I would love to do research about skyhook's infrastructure, I hope that one day I could go back to this comment and see whit my own eyes that this thing are real. Thank you for all your awesome work and letting us to discover this marvels :)

@-_-RAM. Год назад

Its been 2 years give this man a nobel prize and build these things!!

@ITZV2LT 3 года назад

I feel like these guys are from the future and they're just telling us how to survive.

@jrbcodes 3 года назад

We ain't doing well then

@masterblaster3653 2 года назад

Most intelligent beings on earth Birds

@minecrafting_il 2 года назад

@@masterblaster3653 Birbs*

@skylynx8326 2 года назад

Then we gonna die if we don’t do anything lmao

@quas392 2 года назад

hitchhiker's guide to the future

@GlassFedDockterr 4 года назад

“Mars’ moons are very convenient” *Heavy metal intensifies*

@jovalleau 4 года назад

DOOM?

@francisdolarhyde7286 4 года назад

@@jovalleau Indeed

@anggastapratama2370 4 года назад

Reloading super shotgun

@ultimaxkom8728 4 года назад

**Rip and Tear intensifies**

@jasonc584 4 года назад

*BFG DIVISION INTENSIFIES*

@Doggo._. 8 месяцев назад

when im in university, about 6 years from now, my essay on space exploration is this video... may get detention or something for plagurism but its good

@G.J.G.P. 2 года назад

I think there is a small issue when using just tethers. The rotational force can just be transmitted to the tip of the leverage, if its solid from the rotating center to the catching hook/ end pice. If youre just yousing flexible tethers, the rotating satalite will just wind up like a jojo. And let say its solid, its not just the the rotation that will be slowed down, when the hook enters the atmosphere, it will also shift the rotation point away from the center of the satelite, towards earth, so the satelite will be pulled back to earth. Its like dropping a stick into water out of a fast driving boat. As soon as the lower end of the stick touches the water, the upper end will be rotated into the water. Perhsps not that extreme, but just wanted to give my point an reverable example.

@tash5186 4 года назад

High NASA scientist playing Pong: *YO DUDE I GOT AN IDEA*

@loveleonk 4 года назад

Brainfart?

@Troleandocreyentes 4 года назад

Director of the NASA snorting a line of coke, let’s do it.

@mercurial-mons 4 года назад

NASA: what if we...? Also NASA: Oh, and who's gonna pay for it, you?

@teslaromans1023 3 года назад

Is anyone else getting super enthusiastic about things like that and almost mad that they’re not being done already ?

@How_To_Play1 3 года назад

governments dont care about this stuff because the people in power will die before it will ever happen so they give 0 fucks. US military has a $900 billion budget while nasa has $20 billion

@kugaththeplaguefather6332 3 года назад

@@How_To_Play1 Yo Fr? that's fucking insane

@tommymician121 3 года назад

@@kugaththeplaguefather6332 Yeah, some universities are almost as wealthy as NASA

@siddharthavhad7956 3 года назад

forreal yo

@djkush4209 3 года назад

@@How_To_Play1 then again with that $900 billion dollar budget, the USA is the sole super power of the world and could take on the next top 5-7 nations

@sharpskilz Год назад

The transition music on this and the general vibe is exactly like The old "scene it" movie game on xbox.

@tobias1535 2 года назад

This has got to be the most satisfying kurzgesagt ever

@The199 4 года назад

Kurzgesagt : "There's no excuse to wait any longer" Entities powerful enough to do this : "Let's wait a little longer"

@naveenarora6467 4 года назад

EKHmmm cough(U.S)

@user-mc2qh4nv5g 4 года назад

@@naveenarora6467 Nah, return on investment seems like it'll take a while and the US is going broke

@chandra6063 4 года назад

@@naveenarora6467 It's not the US's job to propel humanity and they have already a shit ton of things to deal with.

@Ze_eT 4 года назад

@@chandra6063 Like corona, which they are not dealing with at all, and a president who did almost nothing good up to this point.

@listenorelse_ 4 года назад

Just tell them that it will make it rain oil!

@call911pls8 3 года назад

Plan for space travel: 1: get to the moon. 2: build skyhook 3: use the moon to get to mars 4: build skyhook on mars 5: use sky hook on mars to get to mercury and Venus 6: make skyhooks on mercury and Venus 7: gather lots of Venus solar energy 8: use solar energy to build railgun on mercury and robots 9: make Dyson sphere on sun 10: profit

@gummyrabbitt 3 года назад

Our plan for space travel is getting to the moon then build skyhook on there then use the hook to get to mars then make a skyhook then use it to get to mercury and venus then make solar panels to make railgun and make a dyson swarm to get energy.