Project Orion Nuclear Pulse Rocket
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- čas přidán 6. 07. 2023
- Project Orion was a study of a starship intended to be directly propelled by a series of explosions of atomic bombs behind the craft (nuclear pulse propulsion)
The project was eventually abandoned for multiple reasons such as the Partial Test Ban Treaty which banned nuclear explosions in space as well as concerns over nuclear fallout.
The biggest design was the "Super" Orion design; at 8 million tons, 7250000000 Kilograms it could easily be a city.
One design proposed by Freeman Dyson for the "Super Orion" called for the pusher plate to be composed primarily of uranium or a transuranic element so that upon reaching a nearby star system the plate could be converted to nuclear fuel.
#shorts - Věda a technologie
See Full Video at czcams.com/video/JtYisD7RqWk/video.html
Excellent. But this thing wouldn't kick-in until it was way outside the atmosphere.
@@skateboardingjesus4006 I still wanna see the camera.
@@DevonAkins Translate to English!
@@theodorehaskins3756He already explained it well enough.
@@DevonAkinscan you please share links to official declarations of what you wrote? It sounds too good to be true.
"Houston **bang** **bang** we **bang** have a **bang** problem"
Hahahaha 😂
😂😂..🎶🎶🪘🥁🪘🥁
Lmaoooo
That space shuttle is getting the business 😂
This one cracked me up 😂
Do not try this at home
Ok ill do it at my friends house instead.
Will try this at my school
Niqqa don't bet on me
Ok ill try this at a hospital.
try in room
That beat drop was fire. Breaking the sound barrier 🔥💀💯
😊🌷🌻🌹🍀
This flying jackhammer would be ideal for mining astroids.
Props to a camera crew recording it in space and following into Mars
🥱
Well it was easy for them to do that you know they were riding with the aliens who are constantly visiting Earth and who built the pyramids and they just rode along to Mars for the heck of it
CGI 🙄
😂😂😂😂
Great videography. Of course, it’s a one-way trip.
There is no way in hell that any agency would allow a Nuclear pulse engine to be ignited while still in the atmosphere.
Yup. That's what I came here to say. Even when this was proposed, it would have been clear of the atmosphere before starting the pulses.
We hope?
Thought the same thing
My hair fell off watching this
Well, yeah, about that……fortunately, it’s oddly safer than we all assume
Jerry Pournelle and Larry Niven’s book Foot Fall includes this type of rocket in the novel. Emergency Build of a prototype rocket to deal with an invasion by Elephant like aliens. Fantastic book. Classic Science Fiction at its finest.
I agree! Must have read it 20 times!
Plus that would steal like 99% of the engine
Nicely illustrated 😊 it shows the pulse generator pushing the rocket through clouds , it won't work in our atmosphere,only in space,I'm just saying so people know,and don't think it'll generate thrust to leave earth , cool video 🤘🤠🤘
No, it can work quite well in atmosphere. In fact the idea for the drive came from a nuke test blasting a several ton steel disk to escape velocity (though it more then likely eroded away from air friction before it reached orbit). The just would never be allowed to fire in the atmosphere over the public fear of radiation (honestly, if detonated high enough the actual danger from the radiation would be basically zero, especially with more modern thermonuclear weapons).
@@TheRyujinLPif it started early enough the public would barely care.
@@Eshanas Yeah, the fact we never developed this tech was a huge lose for us.
Yeah I don’t know why the presence of atmosphere would matter…well, unless your crew cab is made from plexiglass & aluminum foil
The problem with operating in atmosphere is that TONS of highly energetic particles get forward scattered by the air molecules and basically cook the crew. But those particles only scatter about 1 km beyond the fireball, so radiation exposure on the ground is easily avoided by starting the nuke engine several kilometers up.
But then there's a different problem up high... Each nuke generates EMP, an electromagnetic pulse, and that's bad for anything electronic, over a wide area.
I clearly remember watching this concept being proposed by scientists back in the days when I was like 11 years old.
Same here...I remember I had a book about different propulsion concepts back when I was around 10/11yo.....that's going back 20y!!!
RIP FREEMAN DYSON 😢
Me too!
The original project Orion proposal is from the late 50s so the ideas been floating around a while
@@fredflintlocks9445 sounds about right, considering how old some of the information about it I've read is
First pulse destroys the first stage separation ring. Wow.
Its Time.
Nice attention to detail
😊rttsgjjckcp@@lm-rh3qo
So you film them from earth to Mars with your phone!! Awesome 😅
USA rocket is beautiful congratulation ❤❤🇺🇲🇺🇸🇺🇸🇺🇸🇺🇲👍 like friends 👍
What amazed me was not the Orion Project Rocket's performance, but the camera crew's rocket that was keeping up!
This is animation, Orion still under making stages
@@SofikulHoque-oe2vhHe’s obviously joking
Every single video, I see this joke
Deixa de ser inocente cara, isso tudo mentira foi feito com computação gráfica, não acredite nas mentiras da NASA e nem nos cientista do sistema da Matrix 🙏🇧🇷
Don't you know anything about shooting selfie videos? The rocket _obviously_ has an Insta360 on an invisible selfie stick!!!
(I SO want one of those. A few years ago, it would have been science fiction; now it's a few hundred pounds. What a time to be alive!)
Quarter way to Mars , all astronauts hv gone deaf / mad listening to constant pulsation of the engine ! 🤯
no sound at space
@@claudisimo1720 : yes but see again the big pulsation
@@claudisimo1720That would matter if you were anywhere around it, but being INSIDE the same rocket that's pulsating like that, and the air inside will carry sound as well as the rocket itself. The vibrations will propagate thru the entire metal structure and surface area connected to it.
Have you ever met a trance or house lover?
@@claudisimo1720false. There is sound in space and you CAN hear it, it just travels A LOT more slow, exponentially even, because of no oxygen.
I love the way the nukes are shaped charges, resulting in the cone. Nice attention to detail!
One of these would have to be built out at a LaGrange point. Assembled, fueled, crewed, and launched a million plus miles away.
check out the Orion reference in Larry Nivens novel Footfall. not elegant like this. Emergency situation, slabs of concrete tied together for containment and pocket nukes thrown underneath for crushing thrust each blast!
Buena animación, pero como saldría un cohete si dicen que hay un Domo no?? 😮😮
And ground-launched from Bellingham Bay in NE Washington State. @@k0nanick
@@AlbertoMartinez-gz3ch Facil, con la llave. Se toca la puerta antes.
Only cameraman can breath in space irl
I don't get the camera man comments. Please enlighten me
Eso es simulación por IA
In animation made by real person, not AI
Superman was the camera guy.
It's animated...shows how it will work..nit real
As insane as the Project Orion concept was, it would have allowed human spaceflight to Mars in days* rather than months. Half the trip accelerating, half decelerating. The mass limitations of traditional spacecraft would have been nearly irrelevant as well once assembled in orbit, which could have allowed some pretty insane interplanetary ship designs. There was even one concept design for an interstellar ship. Unfortunately the project was scrapped after above ground nuclear weapons testing ban treaties were signed by the Americans and the Soviets.
It takes 2 days to get to Mars on a brachistochrone course, assuming 1g of constant acceleration.
@@CountArtha 1 week of acceleration @ 1g gets you pretty close to the speed of light.
@@4DCResinSmoker 2.1 percent of light speed, if my calculations are correct.
The scientists stop developing project Orion once they realized what would happen if they mass-produced thermonuclear bombs. Like are you out of your mind? If we had 25 million nukes we wouldn't even exist. Humans are very good at killing each other.
You know your stuff!
That's NASA for you. Lets send basically a very high tech version of a card in the bicycle spokes, to the cosmos. 😂😂😂
This isn't real 😂😭 my god.
I seem to remember it being an international treaty banning such a powered craft as it leaves behind lots of radio active crap
As someone that lives downwind of the Kennedy Space Center I’m glad that project Orion never got off the drawing board.
More then Apollo
😂😂😂😂😂😂😂
Never considered that until just now.
I was expecting the last stage would be 6 rows of 10 vikings each rowing their way into outer space, those 6 tanks surrounding the craft could fit some vikings
Deixa de ser inocente cara, isso tudo e mentira foi feito com computação gráfica 🙏
Finally, they can reach Asgard!
الفا يكنكج هزمهم المسلمين مالا تعرفه
😁😂🤣
Sounds great. Where did you get dem headers
Theoretically there's no limit to how fast that thing could go either but slowing it down takes just as long as it does to speed it up
You make it look so good that one doesn't want to stop thinking about the intricacies of the negative parts of it. I like the days instead of months.
That's the reason i love engineering.
Same bro❤
Camera man also flying with this 😂
@@SkY-cg9ddit's cgi
@@ayooamitare you mad? Camera man was shooting from space in a different rocket
Ma che 6 fuori,? Quale ingegneria. Questa è follia pura. Alla prima spinta, scoppia tutto!!
Astronauts be wibing at the sick beat
This is exactly how expanse showed us how rockets would be, great to see this stuff happening
Nice one. You even got the shaped charge right. Shaped Nuclear explosives. What a radical concept.
I think they actually got that part wrong. The explosions were essentially miniaturized nukes similar in yield to a nuclear artillery shell. It would have been more impressive than those little flashes of light. Also interesting fact they took inspiration from a Coca Cola plant for the delivery mechanism of the nuclear charges. Lots of the designs for the Orion project are still classified as it deals with miniaturized nuclear technology which is one of the USAs closest guarded secrets.
Meanwhile me with headphones with full volume: 💀💀💀🔥🔥🔥💥💥💥💨💨💨💫💫💫✴✴✴
Wife: have you seen my toy?
Me: it’s out of this world!
Wanderful job. Camera crew having more sophisticated vehicle to follow the orion rocket.
doctor: why is my injection up in space
The interstage breaking up after the drive starts is a really nice touch
I TOTALLY MISSED THAT when I first watched this.
Siegel suicide and obama lawsuit against 😮
the interstage and the 1st stage get destroy
Oooo
@@adi-r1d it would but it isn’t shown so I didn’t remark that
Everyone in the state gonna be vibing when this thing takes off
Rocket:
Casually detonates hundreds of nukes in the upper atmosphere.
Everyone else:
Dies from nuclear fallout
And they got radioactive dust every where
Thank you to the cameraman who filmed this on his jet pack. Live streaming it. Who did not make it back alive. 🙏
May his soul rest in peace 😢
Dude remember the rule camera man never dies!
Nah…. It was a weather balloon and a 37’ long zoom lens
Смеялись всей Галактикой!😂
Земляне, умеете вы всё-таки поднять настроение!👍
That'll probably be one hell of a sonic boom😂
I did a research paper in high school on project Orion. I found it fascinating
In India we call Mrug nakshatra it means deer consolation
U will get more answer from aur nakshatra books
@@kalyanisatpute8047huh? But how is it related to project Orion?
@@velociraptor3097 😂 I'm telling him consolation info
It'd not mrug it's mrig
@@abansalify मृग 😊 मराठी हु भाई मैं महाराष्ट्र पुणे से
Riding to the beat. If you were on it, it'd probably feel like a 1000 subwoofers
10,000 SUBWOOFERS PLAYING AT A 3HZ SUB BASS FREQUENCY PULSATING AT 72 BPM ❤❤❤ LIKE A WOMB.
You would die if u were in it, the sound would kill you.
well that also depends sound doesn't travel in space would need one hell of a buffer and something to bloc the radiation. Though maybe harnessing the kinetic energy to focus it more like a shape charge would possibly add more thrust. using the vibrations as additional energy.
@@cyrusthevirus9878 space is water
Rocket: I’ll fart my way to mars.
Humans: yep, that’s us headed to the landing throne.
Radioactive gas power.
Nuclear Ramjet engine built in 1950’s as a doomsday device. Project Pluto. Built the engine for the Flying Crowbar. Built and tested it (nuclear engine that is. Thank God the never built the actual aircraft!)
In the sixty's we worked on the elastic, actually gas filled spring dampers connecting the oscillating plate, a combination of a radiation shield with a structure to transmit the nuclear gaseous plasma to the damper.
All based on Freeman Dysons theory.
Not testable at the time. Maybe some time behind the Moon in Earth synchronous orbit, one pulse at the time, before a rapid sequence permits to accelerate to moon escape velocity and added cruise speed on the way to Mars, to circle Deimos.
Hi a lot of people don't understand the concept behind this idea. It was actually used in a si fi novel I read once.
the heartbeat of mankind
I miss Saturday morning cartoons. At least we have anything to do with space to fill the void. Pun absolutely intended.
Aliens gonna love the exhaust fumes
I'm building one of these in my garage. I'm starting with a red wagon
Coolest video I’ve seen about a concept rocket, Good short
Its like the sounds of rice cooker almost done cooking 😅
Aliens: sh*t they have jumping nuclear rocket
First, please allow me a few suggestions if I may; the pulses are not bright enough, I think it would be more on the side of realism had you have increased the lumen output of those nuclear pulses.
Also, instead of that greenish tint, I suggest letting the Kelvin intensity define the color of those nuclear pulses (they should be mostly white-blueish according to the Hardtack and Starfish Prime experiments).
Otherwise, your animation is really good, I like the modeling, the way you animated all the pieces and the physics in your scene in general is quite smooth and believable.
Also the volumetrics and especially the particles of the combustion are awesome.
Finally, the SOUND, omg you did it so well the sound effects, so crisp and so to the point!!
What is the renderer and and the particle system you used?
Also regarding the scene lighting, did you just go with the sky/GI setup or what?
I believe this is a game called Kerbal Space Program. And the user simply switched into a cinematic mode of some sort built into the game. Therefore, while your suggestions are good, I would think there isn’t necessarily a way for these changes to be made without modifying the game itself.
No sound in space
@@pjwesteindefalse. It just travels way more slowly than what you are used to.
@@TheStunnerFTWtravels through what? There is no air.
Nerd 😂
Ya gotta love the sound effects in outer space.
Lmao right🤣
AntiGravity Aircraft The Next generation Spaceship
Work base on Gravity just spinning by using car's engine
can fly in bad weather plunge in the ocean even in outer space
Earth which weight predict 600 trillion ton does not fall at the Sun because of centrifugal in orbitting, on the contrary it does not be thrown far go out the orbit line of hold by gravity at the Sun as orbit center. Gravity and centrifugal is equal called Equillibrium, thats why until now Earth which we was inhabited always rotate and circulate the Sun. Now we justly take example : how if the gravity used and centrifugal is negated? The Earth will float far leave the Sun. So that centrifugal can be used to fly far away if gravity eliminated. Finally how to eliminate gravity?
It’s way rotate part of aircraft by horizontal. When that rotation faster centrifugal force getting greater and the gravity getting smaller, finally it lose the gravity and the aircraft start flying. Of course people would surprise: how the aircraft can keep rotate without fulcrums? Thats why we named that aircraft Shuttling System that is aircraft likes two disc adjoining attached in the midle as fulcrums:
A. The Top part, we name Positive rotate to right, and the edges is getting thicker and havier.
B. The Buttom part, we name Negative rotating to left, and the edges is getting thicker and havier.
C. Middle Part , we name Neutral, air crew placed and also machine and everythings turning Negative and Positive at the same time.
The aircraft can liftup added with explosion from the engine. However that aircraft construction later, let the engineer doit it, and we are sure the aircraft will bulletproof and also waterproof.
.
.
In modern civilization where human being generally using flying saucer as vehicle, will a lot of change in lives either in materialism and in psychological. In materialism area will apply the change in life like.
People no longger need roadway and rel road which spend large of energy, money, places, things and time, object place and time. People would utilize that area for habitat or for other need:
i think the explosion sound is realistic. as sound travels through air, if the gas that's generated through the explosion hits whatever is recording it, it would pick it up as sound.
That's what I was thinking lol... They made it muffled like you're underwater. There... Is... No... Sound... Geez
@@JockPuppet sound does actually travel though the ship's structure and in the gas that the engine produces, so crew inside the ship would be able to clearly hear the engine.
Beginning: bombastic farting
End : 1 bit fart at a time
Reasonably smooth take off and transition ❤
سيأتي اليوم الذي يتم فيه الضحك على الوسائل البدائية التي كانت تستخدم في الانتقال الى الفضاء😂
This concept was first proposed in the 1950s and 1960s
If my memory serves right each explosion against a solid uranium disk utilized 300 g of cesium for each propulsion explosion. The problem was getting the inertial dampening down to the point it wouldn't damage the humans within the craft.
Ah, the dreamy days of science fiction, when the plutonium atom was our friend. 🚀☢️👍
By
@@vik_v_g it was called the Orion project you can find it in most us libraries in their archives
Without some serious sound and vibration dampening I can see that constant thud driving people crazy, especially in a confined space.
When NAZA use your mind as toilet😂
Darn the deafening pulse, we'll have to walk from here.
Elon musk has been real quiet since this video dropped
Glad they got that camera set up in space to get that nice shot.
Camera man never dies
EVER
We need to stop being afraid of nuclear power. If it is done correctly than it's safe.I hope Russia gets that message.
Kim Jong un sent you frnd request 💀
@@yashtomar6225is kim your father
@@yashtomar6225modi is far more dangerous than kim
Do you think using nuclear explosions to propel things is safe? If so why?
They'd not bombed Japan. We all know, who did it!
Camera men never die
I don't get the camera man comments. Please enlighten me
The real fun starts whenever that thing fails it’s launch sequence
Lift off is supposed to be started with solid fuel boosters and cryo engine. Nuclear impulse would work only in outer space.
Yah Think?
You could go up so high through lift (with wings) as this is much less strain on the ship and individual. Then you could transfer to a nuclear ship going to the moon or Mars.
What has in space would be heated up?! The atmosphere is what give nuclear weapons their shock wave.
@@LarsDeRuntz Sounds like another "rockets wouldn't work in a vacuum" misunderstanding.
Yeah and let’s detonate multiple nuclear bombs in the atmosphere. This drive would need to be implemented a certain distance from earth. Probably best to assemble the Orion in space. Which might have worked if we still flew the shuttle.
In ten years maybe we just send A.I. ahead to build a human habitat on Mars.
What could have been 🥺
It lands like the Rocket Ships in those old 1950s Science Fiction Movies. Thank You
Their listening to that Hip Hop music again
I'm not so sure that would work atmospherically. There is also the problem of fatigue and stress on materials. A clean nuclear rocket could be launched atmospherically without causing fallout, probably using a two stage rocket motor. Though I suspect it could load up the G forces rather quickly. The problem would be landing it because of the weight involved. SpaceX's current test vehicle would seem light in comparison. The landing legs would be massive.
Looks rediculous. Love that pulsing rear-end. Haha!
I know what you mean
Looks like a Bluetooth device 😢
Cool simulation !
Camera man is immortal💀☠
sound is really cool
Absolutely gorgeous❣️
Cameraman is legendary he went into space to film that rocket into space
When you forget to build the fairing in KSP:
Looks like a giant Shake Weight
pretty much a similar concept.
Looks like Minecraft piston Transportation 😂
Underrated comment 😂
😂😂😂
The aliens are going to be really pissed off when they see one of these
You know how silent this would be in space
Todo parecía real hasta que pasó al espacio exterior y siguió sonando.
Camera man never dies 😅😂😂
CGI podre horrível 😂🤣😂🤣
I don't get the camera man comments. Please enlighten me
I don't understand English 😁😅 pls sey in Hindi
Can you imagine pulling up beside an advanced alien vessel in this jalopy, like Fred Sanford rolling up to a Porsche dealership in his truck?
they all arrived at mars completely insane from hearing the same bass beat for 6 months straight hahaha
Amazing!
That pusher plate was NOWHERE near large enough. A larger mass, yes up to a point, gives a smoother ride.
Read "Footfall" by Niven and Pournelle.
The book also points out that there are no real size limitations. want to send the Battleship New Jersey into space? no problem.
@@richtravis9562 Use bigger bombs😜
Ha I just posted about the same writer and book FootFall.
This design was for a 10 meter Orion. Like, the pusher plate is only 10 meters in diameter..
I’m pretty sure Orion was a pretty well publicized mission, being a part of the larger Artemis mission.
That's an efficient engine although it needs improvements in order to work, that pushing base needs to be entirely made by self closing- opening air valves in order to self close and push air down and self open and have little resistance on return back up, theoretically
Project Orion has been trying to figure out for nearly 2 decades how to safely traverse the Van Allen belts--because apparently NASA forgot how to do that, after the "Apollo Missions" ceased.
Until they can figure out how to get electronics--let along humans--in and out of the Van Allen belts without destroying them from the radiation, I'd have serious misgivings about trying to put something like a massive nuclear device up there.
But like ALL "photos" and "videos" released by NASA, this one is certainly entertaining...
Um this one guy(astronaut) explained it the way st_pid people would misinterpret it and every st_pid person just can't let it go. The astronaut who used those words assumed that st_pid won't be watching. They didn't literally lose the tech. It was deemed unsafe and was destroyed to prevent anyone from being able to use it or try to reuse it. No, no one forgot how to go through the VA belt. VA was part of NASAs team and he didn't just hide everything. All of his information is still available and is being used by space agencies all over the world. China, India and Japan used it to send tech out to the moon in recent years. The most recent one was after the New Year's, where Japan became the 5th country to send a lander to the moon. The belt didn't destroy their technology! The biggest issue we had with sending people to the moon was the safety. Capsules were easy to break from the inside and moon dust posed life threatening conditions that almost killed our astronauts. We had to solve those issues before anything else. We now have the new tech to make it happen but due to new safety measures we now have to go through more testing and more check points before being allowed to send humans back to the moon. It's not the 1960/70s anymore, which is why we have a seatbelt law now!
Awsome reply
So much misinformation on social media and everyone regurgitates it as fact here we are again.
@@never_give_up90cope harder but the facts won't change that it's been 50 years and nasa still couldn't come with technology nd protocol to send people to moon
@@phonycraft That's false. We've always had the technology to go! I'm sure I've covered the reasons. NASA has no power over it. Trump was the first since to okay the mission of going back to the moon, and then COVID happened. I'll assume you're not interested in space so you don't know anything but Artemis mission will do a lot more than simply waste money to take ppl to visit the moon. We've made much bigger and much more amazing progress since 1970s thanks to nasa and SpaceX. It's amazing what we can do! Getting to the moon is not an issue!
FWIW: I first heard of _"Project Orion"_ when I read the book *THE LOST WORLDS OF 2OO1* by Arthur C. Clarke.
In that book Mr. Clarke recounted the development of the *2OO1* novel and movie. In one chapter he briefly mentioned some of the material of the project had recently been declassified, and they were considering DISCOVERY ONE using nuclear pulse propulsion. For whatever reasons the idea was abandoned.
Ever since then I have been _fascinated_ with the concept.
👼 Идея была абсурдна, ядерный двигатель, конечно перспективная идея, но летать вот так, при помощи импульсов, не материалы, не люди в космическом корабле, не выдержат такие перегрузки.. И где найти, столько плутония, чтоб летать к Марсу, больше одного раза..?
😊 🙏 🌼
Kubrick decided against it and just went with hand-waving and not explaining the ship's engine.
He didn't want to dive into nuclear explosions, even if they wouldn't need to be depicted for the story.
👼 People in those happy times, imagined the future, completely different))), I myself in the 80s, and could not imagine what the Internet is, and in the 90s, what a smartphone is. Therefore, they are forgiven for such an assumption.
😊 🙏 🌼
Strap a nuclear powerplant to a giant tank of explosives and fly it over a city. What could go wrong?
I don't know why we don't just say screw money get all the brightest minds together and develop next generation propulsion whatever it maybe even a warp drive which is theoretically possible the problem is reducing the size of what creates the ginormous amount of energy needed.
You think that the brightest minds aren't working on the next proportion systems? We are far far away from a warp drive.
What I wonder about is a grain of sand striking the Rocket at that converging speed.
Dynamite. At relatavistic speeds, basically a small nuke.
This ship goes to Mars in cometary speeds, higher than chemical rockets, but nothing like relativistic speeds.
The ship is built of steel, like an ocean-going ship. Not flimsy fragile aerospace materials.
Brightest space propelling and navigation idea yet, but i think it would be an efficient navigating propellant in space rather than a throttling propellant ✅
sleeping will be fun with that constant kicking on your seatback
So engineers have finally created a machine to exploit the jumping in air ability? Apparently people are not understanding that I was talking about the double jump ability in some video games. Did engineers found a way to exploit the double jump ability (jumping in air)
In a vacuum there is no mass, there is nothing. Newton's 2nd law: F = ma, or net force is equal to mass times acceleration. Newton's 3rd law: states that when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction. So what is the rocket pushing off of?
@@martentrudeau6948 you realize I was joking about the double jump right? I was not making any scientific claims.
@@chaikaomoua1169 ~ I didn't know if you were serious or not. But, I doubt outer space exists.
@martentrudeau6948 it's a nuclear engine (it doesn't exist, and probaly will never) that uses that plate that's moving to protect the rocket. Rockets push off all the gas that's thrown out the back of them.
@@fast-toast ~ Can this rocket pack enough mass (the gas that's thrown out the back) to push it a million miles? I don't think so!