Why Didn’t the Apollo 13 Astronauts Just Put On Their Space Suits to Keep Warm

[@TodayIFoundOut]

Thank you Brilliant for making this possible! Check out Brilliant here: brilliant.org/brainfood/

[@Thisisaweirdthing2makeusdo]

Inanimate carbon rod was the real hero on that day.

[@rsrt6910]

Doh!

[@serotoninsyndrome]

In Rod We Trust

[@fitnesswithsteve]

Did you see the rod?

[@jasonfischer8946]

Oh, they were going to show us some close ups of the rod.

[@macknoeth1103]

Careful ! Their ruffled

[@jeremyowen1]

Should of just sent Canadians up there. "Pretty toasty in here eh?"

[@jeremyowen1]

@Amped Up Wow, you must of been a pretty intelligent 2 year old.

[@jeremyowen1]

​@Hentai Commander Thanks Commander of the tentacles.

[@jeremyowen1]

@Hentai Commander Let's not and say we didn't.

[@vastet2194]

As a Canadian I agree.

[@vinceparke5740]

Perfect. Lol

[@brokeneyes6615]

These are the sort of videos I really like, the little tidbits of information that you never really think about at the time but on reflection, you realize it was a big thing.

[@richardpowell4281]

Finally a question thst couldn't be answered by simply Googling or doing some quick research on and online database somewhere.

[@TodayIFoundOut]

Harsh.

[@jacobperry7637]

@@TodayIFoundOut but true love your vids still

[@oldfunsfrontporch5390]

Richard Powell not anymore

[@tracywilkinson1820]

The suits were lined with neoprene, a plastic bladder. That was the pressure vessel. With no power to circulate air in the suits, they would have quickly perspired and soaked their clothes. Now they'd be cold and wet. This has been extensively covered in many books and online forums, including Lovell's book "Lost Moon".

[@KimJakab]

The batteries in their backpack didn't work either?

[@dpsamu2000]

So they couldn't even stick their lower legs part way in? Couldn't cover their heads to prevent that major heat loss? What about those 9 pair of long underwear they had? Was all that covered? No? Freezing their ass of, cold as frogs on ice, but didn't think of a thing to do about it. No problem. Re write history. It wasn't really as cold as they've been saying for the passed half century.

[@Realist1138]

Something I'd read Lovell said they could fall asleep in their couches in the CM because in weightlessness, a layer of warm air would form around your body. But then something would disturb that warm layer and you’d bolt awake. He didn’t say it, but I suspect what was disturbing it was the body’s reflexive reaction to the buildup of CO2 around the face.

[@nubreed13]

They have to sleep with a fan moving co2 away from their faces because the co2 will just form around your head and suffocate you

[@markchip1]

Essentially, the cooling system was passive and built-in and couldn't therefore be turned off, whereas the heating system required a power source which held a limited amount of energy.

[@epitsulong9255]

Rosmah "PIG" mansor,@ BIG MAMA CELAKA

[@gopr3117]

Yes that’s what he said...

[@Paula-go3tl]

Why is my reply I wrote this morning on a different video here in this video reply? This is the freakiest thing Ive ever seen

[@Paula-go3tl]

This is my reply on a different video . Wth

[@michaelmace924]

Boobies, the bigger the better

[@vfylyk]

I think Jim Lovell answered this very question on the post flight press conference in 1970. There are many versions of it on KZbin, but not being able to google it as text makes it harder to find specifically, unless you watch the whole conference.

[@nancyfalcon2796]

I am impressed that you went to the effort to write a letter. Nice research skills. I am often impressed with the details you discover.

[@LisaBowers]

6:40 This is _just one_ of the many reasons the movie Mission to Mars drove me crazy. Tim Robbin's character (Woody) unlatched his helmet and _instantly_ turned into a block of -wood- ice. My eyes could only roll _so far_ back in my head. 🙄

[@piranha031091]

Same in the movie Sunshine, where they're more worried about the cold than the fact space is a vacuum!

[@OmarTheAtheistAziz]

i stopped watching movies. i get it if it was a movie from the '60s but these modern movies teach you nothing, if not make you stupider

[@BewareTheLilyOfTheValley]

Didn't Zandu freeze really quickly as well in Guardians of the Galaxy?

[@piranha031091]

@@BewareTheLilyOfTheValley Yeah, but that's a comic book movie: they don't claim to be realistic, and pretty much have their own laws of physics. So, Yandu freezing instantly, or Starlord surviving fine with just a mask on his face, etc... are fine by me.

[@BewareTheLilyOfTheValley]

@@piranha031091 True enough. Also, I called him Zandu, lol. I'm not editing that.

[@NCTut-sd2gn]

I legit asked this exact question a few days ago when we watched Apollo 13 in my engineering class

[@rajeevarts398]

Your engineering class seems interesting

[@TodayIFoundOut]

We have spies everywhere.

[@davidhatch7603]

@@rajeevarts398 Hope they just watched a clip. College is too expensive to be watching movies during class time and I'd call out the instructor as such if they just put on a movie for a class.

[@rajeevarts398]

@@davidhatch7603 You know our engineering is bullshit !

[@dustybottoms8020]

Did you legit?

[@kylesanders8276]

I saw Simon's beard and thought, 'oh no, he cut it'. But then realized this is from a year ago.

[@hula62]

I live in Hawaii at the time. I was in elementary school. My mom gave me a piece of paper where dodged through the great crowd to get the astronauts autographs! Yes! I was so happy they returned home!

[@4TheRecord]

"Do you know the old Klingon proverb that revenge is a dish best served cold? It's very cold-in space"

[@muznick]

I read your quote in Ricardo Mantalban's voice.

[@martinmccomb5462]

@@muznick The first thing I think of when I see that name is his voice saying, "I am Mr. Roarke, your host. Welcome to Fantasy Island".

[@Mr.Glidehook]

As I am a Klingon, I can tell you that it is not a Klingon proverb, and we have no need of human sayings which make no sense. But I do thank you for the mention. Earthers do not understand us. I do no longer expect them to. Qapla'!

[@gorkskoal9315]

And something about shakespear in the orginal klingon

[@zacmumblethunder7466]

Martin McComb "de plane boss, de plane!".

[@1bobini]

Very good information. Thanks for the closed captioning as I am hard of hearing.

[@mickwakefield1874]

LISTEN !!!!!!!!!!

[@1bobini]

frank patton troll

[@1bobini]

Mick Wakefield troll

[@benjaminsmith3151]

Being outside for extended periods of time in that kind of temperature feels like the worst kind of cold. This happens all the time when people leave home on a beautiful fall day and spend a few hours at a football game. Like a horrible "Slow-cooker" of cold!

[@animistchannel2983]

Dang, Simon, you were so ON as presenter with this one. Ever since going to the Pacific Northwest, and the Nick Cage episode or thereabouts, your on-camera style has gotten even better than before. You're livelier and smoother, and the improvised witticisms/reactions sprinkle in perfectly. Keep up the good work! As for the little double-sequence from .20-.30 here about being in space without a suit, if I ever put a variety show together on youtube, I'm using that bit as a goto quick-clip for reacting to truly stupid thoughts. Sure, I'll ask permission and give you credit, but I'm using it no matter what!

[@WhereNerdyisCool]

I've wondered that for years....thanks for answering that!

[@tabcat]

Gave you guys a thumbs up for the amount of effort you put into finding an answer to this.

[@diGritz1]

This has always bothered me. I was only 6 when this happened but thought I could help. So naturally I recreated the accident using my dryer. I think it replicated zero-G pretty well but the cold confused me because my capsule got very hot very fast. I realized how stupid I was when I realized their capsule must have been set to tumble dry.

[@MK-ex4pb]

Wtf

[@justgator3915]

😂

[@rsrt6910]

Well I'm happy to see you made it back all safe like. Was it a Kenmore or LG? I need a new dryer and I could do worse than buying a model that can survive re-entry. (

[@JohnThompson-gs3gh]

They forgot about the lint filter before take off. Back then, you couldn't space walk while the dryer was running or if you did, there might be a problem with igniting the heating element . Of coarse, you can't really tell you are tumbling because, well, you are in space. Red and Rover told me this.

[@WhatALoadOfTosca]

Simon that was a beautifully smooth segue... brilliant ;) I was at a Bowling for Soup concert this evening with my wife, when she turned to me and said "Isn't that Simon Whistled?!". Either you were there or your doppelganger was ;)

[@TodayIFoundOut]

Ha! Really, woah, you were at Bowling For Soup yesterday?? .. Yeah, that wasn’t me. ;)

[@WhatALoadOfTosca]

@@TodayIFoundOut Honestly... I'd no idea who they were but she's a big fan. They were great...

[@MrSheckstr]

It’s been my experience that anytime anyone uses the word “just” when stating what is to them an obvious solution to a problem what I invariably find is that they have over quantified the variable of their option that is supposed to solve the problem at hand and have taken no thought in all the other variables to their options that might cause other if not worse problems . It’s the equivalent to setting your boots on fire to defend against frostbite

[@dpsamu2000]

I find people who draw false equivalancies, like setting your boots on fire to prevent frostbite is equivalent to putting your boots on to prevent frost bite, are very unreliable.

[@paulgee4336]

You obviously do not know what the term "false equivalencies" means.

[@jamesfrank3213]

Read Jim Lovell's book Lost Moon. They talk about how they found out during the days after the explosion if you remain as still as possible, you will build a small bubble of warmth because you don't lose your heat to the exterior environment in zero gravity. Think of it like an invisible blanket. It would be far too cumbersome to don their suits inside the LM, which could barely accommodate two men in suits. The LM had more than enough O2 as it gets purged and re-pressurized after every EVA. It was power usage that John Aaron and Sy Liebergot determined had to be cut to the absolute minimum. The CM had only back-up batteries left after the explosion, that left it only useful for re-entry. All the SM functions were considered destroyed, leaving the LM as the only power source for over 4 days times.

[@MegaGeorge1948]

The primary problem was that the CO2 build up due to their breathing. Yes there was plenty of O2. But if the CO2 levels exceeded a certain level, they would die long before they would run out of power. The solution was adapting the available lithium hydroxide canisters to do the job by engineering them to do what they were not designed to do. www.nasa.gov/mission_pages/apollo/missions/apollo13.html

[@MegaGeorge1948]

@Armando Silvier Are you talking about the Van Allan Belt radiation? Also the Saturn V multistage rocket did have the balls to get to the moon. BTW, The "LEM" was recently discovered to be still orbiting the moon last week from the 1969 planned abandonment when it was no longer needed after the astronauts were back on the command module to get back home. I was in my 20's then and watched to mission landing at 1:00 AM. They had just enough fuel to get the LEM off of the moon's surface back to the command module when they were finished their work in the moon's surface.

[@105C09]

Jack Swigert initially called the problem, though using the grammatically incorrect past tense of have "had." Actually, listening to the Apollo 13 flight director's loop, there was discussion about using the hard suits around 110 hours G.E.T. Space too is both hot and cold depending if you are in direct sunlight. This is why they used the PTC mode: passive thermal control. Also known as the barbeque mode. Temps ranged for 250 degrees farheinheit in sunlight to 250 degrees below in shade. Also, space is NOT empty but is now recognized to have dark matter. This is distorted in time-space by spheres such as the earth, moon and sun. Along with gravity, it generates the concept of mass that is used in calculating trajectory formulas and thrust vectors.

[@DeathDad]

Thank you for making a video that was just the right length to answer the question rather then making everything 10-15 minutes that so many channels (Infographics Show we’re talking to you!) do when the topic is “how to boil water” and they just waste our time. I keep watching your videos because you respect the viewers time while keeping things of essential knowledge within good quality! Love ya!

[@TodayIFoundOut]

Thanks. As short or as long as it needs to be is the way to do it :). I love that one of our most popular videos (about cashew nuts), is like 2 minutes long :)

[@alexanderkarayannis6425]

"Houston, we have a problem..." the understatement of the century...by Jim Lovell...or was it Jack Swigert?...

[@francoislacombe9071]

According to mission transcripts, the actual conversation went like this: Swigert: "Okay, Houston, we've had a problem here." Lousma: "This is Houston. Say again, please." Lovell: "Uh, Houston, we've had a problem. The astronauts used the past tense, which was changed for the present tense in Apollo 13 to make the scene feel more immediate and urgent.

[@LisaBowers]

It was said by both men, but Lovell's words are the most remembered _and_ most misquoted. Swigert: "Okay, Houston, we've had a problem here." CapCom: "This is Houston. Say again please." Lovell: "Houston, we've had a problem. We've had a main B bus undervolt." Edit: Looks like @Francois Lacombe posted the answer while I was typing. So, you got two answers! 👍🏻

[@alexanderkarayannis6425]

​@@francoislacombe9071 You are both, of course, absolutely right, I just re-read exactly the same in Lovell's book and that is precisely what was said, by both him & Swigert AND Mission Control Houston...For the record...

[@darrenjones3784]

Had.

[@CurtisDensmore1]

Understatement is what makes astronauts so cool. Icewater in their veins and a pulse of 75 during a fiery reentry.

[@swampk9]

Brilliant transition was, well, brilliant

[@nunyabidness117]

So here's a question:. why does my smart phone have a backspace key but not a delete key?

[@Luke29121999]

Because what ever keyboard you are using doesnt have a delete key (not really needed on phones), if you really need one for some reason. You can just install one that features a delete key.

[@alexwang982]

Delete deletes forward Backspace deletes backward Clear deletes the selected stuff I believe Backspace most useful

[@thejedi1869]

Pi wow, I never knew that

[@darkenergy9829]

What! Are you kidding🤣

[@Femaiden]

they don't have a tab key either , for some reason. . .

[@gabrieljordan8015]

An extraordinary tale of survival and the willpower to keep going when all hope seems lost.

[@brockstill1431]

A lie and a fabrication engineered for the sole purpose of propagating a vast deception.

[@badfinger9]

I’ve also read somewhere that since gravity was not a factor, there was no convection, so their body heat would remain like a film around their bodies if they remained still.

[@seanboland4671]

Wouldn't that make you feel warmer? Kinda like a wet suit?

[@badfinger9]

Sean Boland -Yes, exactly.

[@smort123]

This is the reason why you wear clothes with air in between in the first place. This also works on earth.

[@MrDmadness]

Thermodynamics. An object must move towards a state if lesser energy ( heat must move towards cold ) has nothing at all to do with gravity. What you are referring to ( convection ) deals with densitys of matter.

[@badfinger9]

MrDmadness -Thermodynamics allows three vectors for heat transfer. Radiation, conduction and convection. In this case, without the effects of gravity, there would be no stratification of air by density and no convection will occur. Clothing cuts conduction and radiation to a high degree. My point stands.

[@domomitsune5920]

Thanks for answering this question. I was wondering why they didn't wear their Suits now I know.

[@regularfather4708]

I'd love to see a video about how pre-electricity using people thought about and rationalized electric phenomena like static electricity and lightning.

[@MikeJ2023]

Frederick Swan is like to see a video about why do you Drive on the parkway and park on the drive way.

[@ClickKlack43]

They thought they had ghosts in their blood and drank some cocaine potions to treat it.

[@MrT------5743]

@@MikeJ2023 That is an easy one. A driveway is where you would drive your team of horses off the road upto the barn. Now in more modern terms, the driveway is so short and peoples garages are full and you park your car on them. A parkway use to be a scenic road in a city that would go through parks and were often beautified with park-like trees and flowers. So a parkway was a way through a park not park as in leave your vehicle parked.

[@MikeJ2023]

Larry Thielen so I.e park ave with the trees in the median?

[@MrT------5743]

@@MikeJ2023 Yes exactly! I am glad you now have an answer to your question!

[@SciHeartJourney]

I saw an interview with Fred Haise. Please forgive me if I get this wrong, I'm going off on memory here; What I recall is that he said that there are no convection currents in 0 g, so if they stood very still, their heat was somewhat conserved; it forms a shell of warm air around the body. But as soon as you move, you get a breeze of cold air! I recall this because we have no way to test that here at 1 g.

[@fundreamer1]

I'm going to assume they weren't all that cold in the studio where they faked it.

[@leroy5376]

You are 100℅ right!!

[@kylemenzies4447]

Stellar, brilliant transition to the sponsor.

[@Mike-tg7dj]

Cold is bad but believe me cold and wet is worse. Been there done that courtesy of the United States Army. I think they did that to prove a point. I'm still not sure what it was though. Sometimes they did things just because. I know one thing if ever faced with that situation I didn't stay wet long if I could help it, and I sure the heck didn't complain.

[@ronjones4069]

I've heard that most people drop out of military seal training because of cold.

[@tungstenkid2271]

Nice vid, some salient facts to come out of it were- 1- they didn't suit up because they knew they'd have sweated and become wet, and therefore even colder than before. 2- it was 3.8 degrees Celsius in the CM and 10 Celsius in the LEM (both bloody cold), but why was the LEM warmer? 3- Swigert mentioned his "sleeping bag", so presumably the other two had them too? And were they just thin cotton things or proper thick ones?

[@Rockhound6165]

I would think that the closed quarters would have made the suits rather cumbersome. Would have been fine just to wear but wearing them while working would have been a problem.

[@samsignorelli]

Indeed....that's why they were in coveralls/shirt sleeves unless they HAD to be suited up. Zero G meant they actually had a lot more room in the CM than you'd think by looking at one, but the bulk of the suits was one thing less to deal with on a three day trip out and back.

[@Nghilifa]

Also, the suits required power to operate, when connected to the ECS (environmental control system) that system would pump air through the suit, creating circulation for breathing as well as cooling (whilst in the spacecraft, water cooling with the LCG was only used with the backpack on lunar EVA's) one's body, so with almost every system powered down to save power, wearing the suits wold have been worse than not wearing them.

[@AZRckCrwler]

Damn, that was a smooth transition.

[@SilentKaliSmoker]

Could have tried collaborating with Vintage Space. She's all about the Apollo missions.

[@PHUSHEY]

And less annoying.

[@Redfoot138]

"Simon Whistler" is the most British sounding name in the history of the world. I really hope his middle name is "Nigel".

[@robertt9342]

I don't see it. It doesn't have any of the stuffy pretentiousness I would expect and the names are short and there is no "the third" at the end of it.

[@TodayIFoundOut]

Haha, it’s also not a British name. My fathers side are not British.

[@TodayIFoundOut]

Redfoot138 FURTHER, for my name to be truly British, Nigel would have to be my third middle name.

[@littlearsehole75]

His middle name is Slick.

[@robertt9342]

Today I Found Out . How about Simon Bartholomew Emanuel Northcott Willoughby III?

[@MrPrinceYoda]

Sponsoring YOU Simon, and your team, is just Brilliant.

[@carlstenger5893]

I wrote an email to Lovell in 2006 and he actually replied with a very nice letter. As somebody who quite actually grew up with the space program, I wrote several letters to various people and departments at NASA over the years. I always got a response. I’m disappointed that Mr. Hayes did not respond to your letter, that’s just not like them. Great video. Thanks.

[@Nghilifa]

2006 was a "long" time ago though. Lovell is in his 90s now and I think Fred Haise is close to turning 90 as well.

[@LasVegas68]

Finally! I have always wondered why they didn't put on their spacesuits to keep warm.

[@BA-gn3qb]

Because, they Never left the Earth.

[@Ruda-n4h]

@@BA-gn3qb The suits need "power" in the sense that the environmental control system in the Command Module must pump air through the suit constantly because the air is also used to cool the astronauts inside the command module. Jim Lovell said that they thought about donning them (as they had doffed them shortly after docking with the Lunar Module as per the flight plan), but they decided against it because since they wouldn't be hooked up to the spacecraft, they'd just start sweating and that would have defeated the purpose to wear them in the first place.

[@Ruda-n4h]

The suits need "power" which they had to save in the sense that the environmental control system in the Command Module must pump air through the suit constantly because the air is also used to cool the astronauts inside the command module. Jim Lovell said that they thought about donning them (as they had doffed them shortly after docking with the Lunar Module as per the flight plan), but they decided against it because since they wouldn't be hooked up to the spacecraft, they'd just start sweating and that would have defeated the purpose to wear them in the first place.

[@Greenketch1]

Additional to what was mentioned. The refrigeration cycle in it's simplest form requires a gas to be compressed (thus heated up) and then condensed, transported and allowed to boil off (thus cooling down). Equipment uses this cycle to "move heat from one place to another. As an example a refrigerator cools inside by heating up the outside. If the spacesuits were used to warm the astronauts they would do it by cooling the spacecraft. It is essentially a net loss equation and the overall system just looses energy. Apollo 13 had no energy to spare.

[@stanleyjedrzejczyk2966]

Because the Air-Conditioner switch in Stanley Kubrick's Hangar-Studio got broke off on the Blue side?

[@herbiehusker4624]

You think that up all by yourself in your crappy soviet style russian flat?

[@simonrose5336]

Great stuff an answer to a question long time asked

[@emilydotbug]

I thought they were already in their space suits when they had to shut off the power to conserve it

[@epremeaux]

A critical fact not mentioned is that the Apollo craft was designed to slowly rotate so solar heating was spread across the entire craft somewhat evenly. This served dual purpose: primarily to prevent over expansion of sun-facing surfaces while shadowed surfaces were contracted, which could lead to all sorts of mechanical issues. Secondarily to offset the heating system so it wouldnt have to work as hard. I dont remember if the explosion and gas venting caused this rotation to change or not.

[@Xamufam]

I learned something

[@rsrt6910]

I try to avoid it when possible.

[@caribbeanchild]

How did they even put and take off their space suits in the Apollo module? Where were the assistants that they had on Earth?

[@SkipTerrio]

This is SO weird because I was literally JUST wondering about this about two days ago.

[@johnnelson8956]

It makes sense. One of the purposes of the huge power pack connected to the suit while performing is temperature regulation. Most of the moisture from condensation and perspiration is absorbed by the various undergarment layers. UT it doesn't take long before those materials become saturated. So thermally controlled air is circulated through the suit. So I would imagine that wearing one of those cumbersome suits for 3 days straight without proper ventilation would be far more uncomfortable.

[@1magnit]

How long does a hot coffee stay hot for when it's in a vacuum flask?....under direct sunlight with no atmosphere to block UV

[@woodyahh2110]

Good question

[@mursuhillo242]

How about this way: A cup of hot coffee in an airtight flask with air at 1 atmosphere, magnetically levitated inside a vacuum chamber. Because, obviously, if that coffee mug would be in vacuum, it'd just evaporate and spread around the chamber and eventually cool down from being in contact with the chamber walls, and just leave a puddle of lukewarm condensate coffee or just plain water on the bottom.

[@woodyahh2110]

@@mursuhillo242 you can do that with two magnets

[@mursuhillo242]

@@woodyahh2110 that is literally what magnetic levitation is...

[@davidm.johnston8994]

Nice video, thank you for the research you did. Great work!

[@kristileigh9059]

I absolutely love this channel, but I have to ask... if you tie his hands together, can he still talk? He reminds me of a coonass (Cajun) with his hand movements, lol!

[@exin7778]

Coonass?

[@kristileigh9059]

GHOST JAZZKHILL Kinda hard to explain, but people in Louisiana with ancestors who came from France, through Canada and eventually settled in Louisiana... if you’ve seen the show Swamp People, you’ve seen a coonass. I’m not sure why that particular word, but it’s just what we’re called.

[@ristopoho824]

It's 10°C outside right now, and i'm going to go sunbathing. There's a corner around here with not a lot of wind, and it feels quite warm when i stay close to the ground. Late in the summer 10°C feels so damn cold, but right now after the long dark winter it's so nice and comfortable.

[@johnbellinger2494]

The suits used electrical power which could not be spared.

[@tmanook]

The music in the background is a bit distracting, otherwise excellent video. Impressive research skills in finding out what happened. Excellent overview about heat in space as well.

[@jamescarter3196]

Your sound system is making the background sound distracting. It sounds fine to most people. Maybe turn off your Dolby or any other unimportant effects in your sound system.

[@tmanook]

​@@jamescarter3196 No effects are on. I just don't care for the barely heard music. Not a big deal, though it was annoying enough that I left a comment.

[@CrustyAbsconder]

It seems silly that they did not have a furry-pajama onesie with hood

[@jeffbovee6510]

I'm fairly sure Lovell's Lost Moon book talks about the hot dog freezing.

[@pnessi570]

Well cold is just the absence of heat, so if there is no heat then it is by definition, cold

[@akizeta]

Only by that (incomplete) definition. All things above absolute zero have temperature, so they have heat; therefore nothing is cold, by your definition, except for nothing itself, a vacuum.

[@slowanddeliberate6893]

Without heat, nothing would be flexible and would be so brittle that it would break from the slightest touch.

[@rsrt6910]

Technically, temperature is the average internal kinetic energy of a system/object ect. The average internal kinetic energy of space, close to Earth and in the shade is close to absolute zero. (aka, cold) The average internal kinetic energy of space, close to Earth and in direct sunlight is three to four hundred degrees above zero (Celcius or Farenheight, take your pick), (aka, hot as f***!)

[@truthseeker4879]

Isn’t heat just particles moving faster

[@Hoshimaru57]

Luna ex Scientia and the three horses pulling a chariot. I had a NASA jacket when I was in college with all the Apollo mission badges on the back, and I memorized Apollo 11 and 13. I think I remember 8 as well: a large red 8 with the command module on it and the earth and moon representing the 1st orbit around the moon.

[@tom_something]

"You've heard me talk about Brilliant before, but perhaps not with such a smooth transition." Says the guy who can't _not_ be smooth.

[@TodayIFoundOut]

Level 99

[@incargeek]

Lovell said that in order to try and sleep they made the mistake of putting the window shades up. The spacecraft cooled because they blocked the sunlight. The ship never did warm back up again after that.

[@gifctdotorgthought-police3706]

Loved the cocky "smooth transition" comment for brilliant ad.

[@momcat2223]

Same. I LOL IRL & then came down here to verify it wasn't just me...

[@gifctdotorgthought-police3706]

Literally LOLed in real life . Nice to see I'm not the only one easily amused.

[@TodayIFoundOut]

Gotta have some fun with it, or it becomes repetitive for me as well ;)

[@lunakid12]

@@TodayIFoundOut :) The silky-smoothness itself was really delightfully funny (already without pointing it out). Nice! :)

[@stevenhoman2253]

I have seen this as a complete mystery. I followed the entire space program and read the books, yet nowhere was this mentioned. Thanks.

[@Pining_for_the_fjords]

So they were risking their lives for science, furthering the knowledge of mankind, and nobody was cared about them getting hypothermia? That's cold.

[@dragonsword7370]

About 50*F with no windchill factor is pretty easy to live with especially if your still wearing clothing. These were test pilots too, they tested in worse extremes before so it wouldn't be 'hypothermia' levels of bad.

[@mattheweldredge9880]

Simon you are awesome

[@flolow6804]

Space IS cold and space isn't empty. It's just has a low density of molecules but the molecules who are there are mostly very very slow/cold.

[@Jona69]

The amount of heat you lose to those stray particles is insignificant.

[@flolow6804]

@@Jona69 yes but it dosent change the Fakt that the statement is wrong

[@jeffvader811]

@@flolow6804 Most particles in space are actually pretty hot, although it depends on the amount of sunlight they are exposed to so it varies quite dramatically.

[@kathypappas6867]

Loved this ! Thank you for all the information, and work you do !

[@lieutenant_dan27lt.d45]

The most intense human survival story in history. The fact they made it back alive is sheer phenomenal.

[@jamescarter3196]

It's a good one but have you ever heard the story of the Ernest Shackleton expedition to Antarctica? Pretty rough story without much of a happy ending. The astronauts of Apollo 13 all survived, without frostbite, in relatively short order compared to other ordeals.

[@atallguynh]

@@jamescarter3196 great point. Shackleton's leadership and 100% survival rate of crew members (the humans, anyway) is simply astounding. Unlike Apollo 13, they had absolutely no means of communication with the outside world.

[@Musikur]

One of my favourite anecdotes about the movie, is that apparently after it screened for the first time, some critic lambasted the film for it's unlikely ending, because 'as if the astronauts would have survived all that' 😂

[@dwlopez57]

One of the most famous, but there have been others more intense

[@americanrebel413]

Awesome video thank you!

[@simsational...]

Werner Van Braun tombstone Psalm 19:1 Space is Hollywood with a $52 million / day budget.

[@Treeesmith]

Simsational space may be the final frontier but it's made in a hollywood basement

[@simsational...]

@@Treeesmith Crazy how the chili peppers let us know in 1999, didn't pay attention for over a decade. Vacuum of space is also laughable in movie space balls. Funny as hell if you have the ability to see through the bs.

[@truthseeker4879]

Conspiracy or not, all the billions of dollars, where did it help human kind, know how many hungry ppl it would have feed, all of them but we decided to explore, then lie about it, god bless America but no body else

[@thebmachinecanada]

Haha you're so polite instead of saying people got real specific about things they had no business talking about you're like they got real specific with no references I just find your humor funny

[@davecue2]

Yea but is warp speed still faster ludicrous speed?

[@jamescarter3196]

You can't go straight from Warp speed to Ludicrous speed, you have to go to Ridiculous speed first

[@paulgracey4697]

As I remember it, the assembly of the LM and command module together were rotating on their course to the moon in order to even out the sun gain with the radiative losses to the cold of space. I would like to know if any alterations of that rotation period or transit angle were made to aid the sun gain over the radiation perhaps to bring a bit more thermal energy into the modules through the windows they were equipped with?

[@rsrt6910]

They needed to equalize thermal exposure so that uneven thermal heating/radiation wouldn't cause premature failure of ships systems and structure. Crew comfort is of secondary concern.

[@ZEZERBING]

I wonder if Simon can talk without his hands.

[@theenzoferrari458]

I wonder if you can type without hands idiot.

[@ZEZERBING]

@@theenzoferrari458 i dont get it? Type with my hands, talk with my mouth. Rewrite your insult and get back to me.

[@theenzoferrari458]

@@ZEZERBING who said it was a insult?

[@jamesletendre6456]

I bet if you were to remove Simon's hands he would... scream :)

[@TodayIFoundOut]

IMPOSSIBLE.

[@rekunta]

Saw this thumbnail and I was like _”damn……that’s an excellent question!”_

[@heatherhaze3680]

So the screenwriters didnt think all they went thru was exciting or horrible enough so they just had to exaggerate?? WTF?

[@akizeta]

Well, that's drama. If you don't know what's going on in a tricky situation the drama is often hidden. To show an audience what's going on in a protagonist's head, screenwriters, directors and actors conspire to make the invisible visible. So, in the movies, swordsmen telegraph their moves, generals have a convenient lackey to explain their strategy to, and astronauts get a bit tetchy to show their tension and shiver to show the cold.

[@Geographus666]

Since humans react very heavily to visuals as well as to emotions they see in other people, they had to exaggerate things like the cold by adding cold breath and the frozen sausage and also “invent” a lot of tension between the crew and at ground control to give the audience the feeling of stress and danger. In reality Gene Kranz never snapped at his team about the procedures like in the movie and there never was a fight between the astronauts in the capsule. These guys were heavily trained to deal with such situations and if they had reenacted it for “Apollo 13” the way it actually was, the movie would have been boring as hell to watch because these guys as well as ground control never lost their cool during the entire mission. Just listen to some of the audio recordings. Even right after their ship had literally blown up a few meters behind them they were talking to ground control like a pilot would greet his passengers on board of a commercial airplane.

[@Geographus666]

@Abigail Slaughter Well, "boring as hell" might have been a bit excessive, but it is still a hollywood movie we are talking about and not a documentary. They had to simplify a lot of stuff to make it managable and interesting for a broader audience and not just for the space-junkies like us ;-)

[@akizeta]

@@Geographus666 I haven't seen it, but the recent Neil Armstrong pic had complaints from both sides as I recall, that the actor playing Neil both showed too much emotion compared to the real life man, _and_ played him too calm for the modern audience.

[@heatherhaze3680]

@@akizeta @Geographus Ahhh yes, very good points!

[@erygion]

Another Simon channel, does this guy have any free time? I mean good for us I'm happy, I love all his channels. Crazy work ethic!

[@ssrobs2552]

..."Cuz da earf ams flat n nobodys bean 2 space"...Imagine actually believing that.

[@ssrobs2552]

A seagypsy's Adventures You're serious?.... I assume the countless amounts of photographic evidence isn't good enough? That's all fish eye lenses and photoshopping, huh? How about the laser refector on the moon? Does that work for you? Or if we're just going with a round earth, go watch a boat disappear behind the horizon.

[@rubenperez6463]

@@ssrobs2552 Fotos??? Fake fotos???...🐒🐒🐒🐒🐂💩

[@Rybo-Senpai]

Before watching the Video. If your talking EVA suits, there was only two of them, if your talking the suits they traditionally wear at Launch well they aren't really designed for that, they are more designed as a temporary live vest in the event of a pressurisation issue once in Space. And are designed to be fed Air from the same Systems that they would later have to jerry rig, the whole Square Peg Round Hole problem. In terms of Thermal Retention they aren't that great. Plus the heating systems for those flight suits, the heating systems were powered by the same battery's they needed to get home, including the Splash Down Batteries, some of which had been used partially due to the loss of the ability to recharge them via the Fuel Cells. So they would only run essential equipment, and then the battery hack using the LEM on jump start the CM before reentry might not have been possible if they wore those suits.

[@khold1983]

Because they were in a Hoolywood studio!

[@johnnywatkins9296]

Millions of people watched live and in person when the astronauts boared and launced to space, and you can see the evidence on the moon with a powerful telescope

[@scottlarson1548]

Jim Lovell said that he could stay warm by not moving. Since there is no convection and little air movement, he was able to heat the air around his body if he was able to lie still enough.

[@samzillabuddy3250]

If they were cold They should’ve just bring a Snuggie 🥶

[@neilwilliams929]

Like your work Simon 👍

[@theveteran765]

They didn't get cold because they were NEVER in space to begin with!

[@donnyvu5153]

Flat Earth bro. All I here is blah blah blah from their puppet. Blow this comment up!!!

[@donnyvu5153]

Shit I wear my pajamas all day every day, cause I know I aint going to die from no radiation. Life or death? Nah I'm just here making a movie. Where is the moon colony? Nah we want to colonized Mars cause it far away that no one can questions us. Hahaha. Dumb trash. That's why we let Elon Musk stole $1+ billions for helping NASA. Hahaha

[@err_kk]

nice transition!

[@kylezmcgee455]

I've never been here this early, at 8 views and 4 comments.

[@kylezmcgee455]

@@tiumux1882 at least KZbin isn't drunk lol 🤣

[@Aviyaytor]

Jolly good, mate.

[@hamedshah2363]

We feed our Brain to feed our belly

[@Aviator27J]

My initial thought was perspiration from the insulation and bulk, both in cramped quarters and maneuverability.

[@ssrobs2552]

Oh god, they've already infected the comment section. Should have seen that one coming. Say it with me now "the earth is *rooounnd* " 🌎🌍🌏 < ROUND 🌙🚀 < THIS REALLY HAPPENED Deal with it, Okay? Nobody is trying to trick you. 😂😂👌👌

[@UnimpressedGoose]

Negative. The earth is flat. It’s so flat if you punch the ground hard enough it’ll make a hole to the other side. The way they’ve covered this up is by placing golf courses over the holes. That’s what the hole at the end of the green actually is. Also the earth couldn’t be round cuz a video on KZbin told me so.

[@ssrobs2552]

Mr. CU NT Ohhh, thats makes total sense now. Excuse me, I've got to go punch a hole in my yard to test this theory. Brb.

[@m3528i]

Good segue. Well done :)

[@jumpy_bunny686]

Why didn’t they just open a window to get space heat?

[@jumpy_bunny686]

Dash71101 I like the way you comment

[@jeffvader811]

@@mephi71101 Actually, the pressure difference on the Apollo spacecraft was very small, less than the pressure difference in a coke bottle. This is because rather than pressurising the capsule to 1 atmosphere of pressure the engineers pressurised it to 0.2 atm with pure oxygen (Earth's atmosphere is 20% oxygen, so at 0.2 atm Apollo's "air" had the same oxygen concentration as the Earth's atmosphere, perfectly adequate for breathing). So the capsule wouldn't have exploded, but the astronauts would still be dead without their suits.

[@jamescarter3196]

Lovell left his wallet on the dash and didn't want any space thieves to steal it. Otherwise they wouldn't have any more money for space wine, which is really how they stayed warm. Space is a rough neighborhood, lots of Night Train and Black Velvet drinkers.

[@rsrt6910]

They broken the handle when they tried to get directions from a traveling space alien.

[@Chaydex]

10-3 degrees celcius, that's like your typical autumn evening temperature in northern Europe, not that bad unless you are sitting still

[@tomiathisflex7706]

Your understanding about temperatures in Space is misinformed, and misleading. Yes, near earth perhaps the temperature wouldn't be too cold. What about when you are further away from the sun? Temperatures could get as low as a couple degrees celcius above ABSOLUTE ZERO. Now a million people are going to think space isnt cold.

[@dpsamu2000]

Poku your understanding of tempreture and distance is misinformed. They would have had to be near Pluto to be near absolute zero. Just so you know the Apollo, the Earth, and Moon are equally close to the sun. 92 million miles + or - 0.2%. Pluto is about 30 times farther away.

[@tomiathisflex7706]

@@dpsamu2000 I was probably jumping ahead of myself for calling HIS understanding misinformed. I still think his remark about the temperature of space is misleading. From what I understand, outer space isn't a perfect vacuum, and that would mean space has a temperature. He made a blanket statement about space, and temperature which I think is misleading. As stated earlier, I think most of the audience who heard that blanket statement (and choose to believe him) will now think outer space isn't cold.

[@dpsamu2000]

@@tomiathisflex7706 Well if you're talking about the vanishingly few atoms of gas in the space the spacecraft was in they average about 5000 degrees some up to 90 million degrees. But there are so few of them it doesn't factor in. So who's more misleading? Someone who doesn't know something doesn't factor in but insists it should be factored in? Or someone who ignores something that doesn't factor in?

[@mikechilders]

For something to feel 'cold' there needs to be two factors. One is a significant temperature difference to your temperature, and the other is a good heat conduction path between you and it. This is why water or metal at room temperature feel cold but plastic or cloth at the same temperature does not. You don't feel 'temperature', you feel the loss of heat. In space, the temperature is very cold (near absolute zero) but there's almost no matter to conduct heat. That's why space can be really cold but not be able to cool down a spacecraft very well. I was an engineer and I remember that heatsinking in space required totally different tactics. Heatsink fins and fans don't work very well in a vacuum.

[@dpsamu2000]

But air conditiners, like the 10,000 BTU air conditioners on the Apollos, do work to expel heat by radiating away the heat from the high pressure side by making it hotter than the skin of the spacecraft, and hotter than the incoming radiant heat from the sun like the Apollos did when they had the power for the air conditioner. Otherwise they can't dispose of the heat and it should have got hot.

[@mikechilders]

@@dpsamu2000 good thing you aren't an engineer.

[@dpsamu2000]

@@mikechilders But I am sir. I have worked on several spacecraft that are flying right now. I worked on the early wind tunnel testing with NASA Ames on the development of the F22 Raptor. I worked on some engineering of the targets of the canceled American super conducting super collider. I worked on the construction of the tool in which the fusilage of the Boeing 777 is built, as well as some parts for nuclear power plants, large public aquariums windows, even parts you see in Star Trek the voyage home, and the Atlantis resort you see in commercials on TV nearly every day. Your expertise, however, as exemplified by your above post, is as vacuous as a Russian troll.