I'm a German animator talking about space exploration. How do rockets work? Why is the Moon made out of cheese? How did I get here? You get the idea...
0:49 BOOOOIIIIIIIIIIII the project orion :O Hope you continue on this journey with more videos and excellent explanations! The Project Orion is very underrated and making a video about it will be so great to see :) Anyways great explanation like always <3
This is incorrect. Your diagram shows the rocket in thinner atmosphere becoming less efficient than the rocket in the thicker atmosphere. In reality, as the atmosphere gets thinner, there is more pressure difference that could be captured with a hypothetical larger nozzle, and relative to this potential, a smaller nozzle is less efficient, however, what happens after the gasses leave the nozzle doesn't affect the actual power output. The rocket in thinner atmosphere becomes less efficient THAN IT COULD BE, but not less than before. By showing the arrow getting smaller, you're suggesting that the nozzle produces less thrust. What actually happens is thrust stays the same, while potential thrust increases in the lower atmosphere case, and it is only in comparisson to different POTENTIAL output that the thrust "drops"...
there's a problem... the center of mass must be kept at the center of rotation, or you get the Dzhanibekov effect - the station rips apart. Nobody knows how much time we have before it happens, or how to manage it - the best guess is pumping water around the station as people, machines and water move around.
Bro, I just found your channel and I'm binge watching all of your videos. This is the tipe of content I expect from a channel with millions of subs. I don't know why you are not more popular. Love your content
Thanks mate! Much appreciated. I guess I just post to little to really get picked up by the algorithm, but I can't complain. The people that get to see my stuff all seem to enjoy it and that's the most important thing
@@spaceiacThe concept was if every atom in a sheet of atom was supported. But the idea was that since acceleration wouldn't tear it apart as there wasn't sufficient enough force to break it apart. I believed it wouldn't as acceleration would be the same as if gravity was stronger yet my friend argued acceleration would just break it.
I think I remember a scene where a woman is almost thrown out, but because she is next to the door she doesn't fly out, instead collapsing next to the door from lack of oxygen
Do you remember the movie/series? Because that's quite rare because scifi seems to spread the idea that people get violently blown up no matter where the people stand in the airlock
@@spaceiac I believe it was star trek ds9 I can't remember the episode name as it has been some time (I'll try to find it), but I can give a quick rundown in case it helps: Dukat starts a cult on an abandoned space station and kidnaps Kira to join him (something like that). Then Dukat gets a married woman pregnant and fearing what it would do to his image, he tries to kill her with the airlock.
I know. That's why I said "without depressurizing the airlock first"... It's to address the scifi myth that you get sucked out into space during an explosive decompression
I feel like in sci-fi movies this would be way more ominous 🤣 Although what would happen if you weren't wearing a spacesuit? Great content btw, love the format!
If you wouldn't wear the spacesuit, you would freeze to death if you can even survive that long as your oxygen is running out. Doesn't make it better that you would have to exhale all the air in your lungs before the airlocks opened, otherwise the air in your lungs will force itself out... Aua
This is what happens in Guardians of the Galaxy 2. A guy who stays next to the inner airlock slowly drifts away; either due to the pushing pressure and vacuum forces, or because the ship made a minor acceleration adjustment to leave the executed behind.
True! But it somehow felt kinda weird that he didn't get blown out into space. Through the influence of other movies and shows you kinda expect him to being blown oit
@@ENDERSTIXgaming well I did say you might, not will. I'm just saying, tech changes fast, and there's a small chance that civilian spaceflight will be at least plausible if not affordable in the next 50 years.
Love the transition into 3D cellshading. Hopefully, this means we got more space info! Must've been quite the challenge to learn. I use many different space videos as ideas for a project I'm working on. I can already think of a scenario I can use this info on, Thank you so much!
I like the challenge, but I'm really happy with all of the possibilities that open up through 3D, especially in character animation. Way better in the long run to improve quantity as I can build a really powerful asset library for all kinds of stuff
Removing the astronaut from the equation, you're suggesting there would be no negative loading on the inner airlock door during a sudden (catastrophic) depressurization since it's the furthest you could possibly get behind the evacuating air mass. I'm skeptical about this.
There would definitely be a huge load on the inner door, just because there is a pressure difference between, but the pressure difference is only 1 bar. Obviously it would cause a lot of stress due to the sudden depressurization, but nothing that the airlock couldn't handle
@@spaceiac In an aircraft, there's "only" a .44 bar difference between a cabin pressurized at 8,000 ft vs. the pressure outside the window at 30,000. Doesn't sound like much, but I wouldn't want to be near it when it blew out. That said, I'm more concerned with the effects of the air mass (which you're within) when that mass volume is ejected at the speed of sound. I think a little CFD analysis is in order.
Hollywood keeps lying to people about how this works😡, I'm so glad you have explained what really happens in a clear and entertaining way, thanks!🚀🪐👨🏻🚀😉
I watched the whole video without seeing the low like numbers, and now seeing them, im sad, more people need to see this. So heres an informational comment specifically here just to boost the algorithm. If you are in said airlock without a suit and you are looking to survive for as long as possible here is what will happen to you, and how to survive the longest. Follow this video to make sure you dont get blasted into oblivion, take a deep breath to oxygenate your blood, and breathe as much of it out before the airlock opens. (Or dont take the deep breath, im not sure if doing that would create even worse problems with nitrogen bubbles) If you held your breath your lungs would have exploded. Air rushes out of you violently on both sides. You pass out within 20 seconds. The last thing you experience is the moisture evaporating off of your eyes and mouth. Along with the excruciating pain of your ruptured eardrums. Your flesh is strong enough to keep you from exploding, but you will expand quite a bit. Nitrogen bubbles wont be much help either. If no one has closed and re pressurized the airlock by this point, hope is becoming lost. Your cells start dying. The popped capillaries in your eyes will blind you and will cause bruising everywhere else. After about a minute or two, you will die as your heart and brain take irreversable damage. Since in space you can only cool via radiation, it will take hours for your skin to cool to background levels and days for your whole body to follow suit. If you are in direct sunlight, your body will become cooked like bacon, as your skin dies, it will be unable to hold you together, making your chest explode. If you are never recollected, you will float around as an exploded, burnt, freeze-dried cookie forever. Heres some extra: eyes won't explode. Nitrogen gas bubbles would only kill you if the airlock very quickly vents the atmosphere. Otherwise, they would just cause serious damage. (I think) I am no expert, and I just learned this from random science videos on youtube. Correct me on anything if im wrong.
Really good question! Curious about that too. Would make sense as there is a really quick drop in pressure, but my guess is that it wouldn't, as cavitation is usually a problem with liquids, but I might be wrong here! Just a guess from my side
As quick explanation for everyone wondering why the air is leaving with a speed of Mach 1. The air temperature is basically the kinetic energy of the molecule, so how fast it can move. So at room temperature, the max speed at which the molecule can move is the speed of sound, Mach 1, as it doesn't have more energy to move faster.
