Could You REALLY Survive A Trip To Mars? | Answers With Joe

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We've been talking about going to Mars since the end of the Apollo program. Now there's a new wave of interest in traveling to the Red Planet - but the challenges that wait for those who take the trip are bigger than most think - and possibly unsurmountable.
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The human body is adapted for living here on Earth and nowhere else in the universe. Just a few of the problems we'll find going to Mars are:
The effects of weightlessness. Astronauts who have been on long-duration flights to the ISS have experienced vision problems, cardiovascular issues, bone loss, elevated CO2 levels, reduced cognition, and more.
All of these issues will be exacerbated on a Mars trip because the shortest trip to Mars would be far longer than the longest any human has ever been in space (Valeri Polyakov spent 14 months in space in 1995).
Radiation and cosmic rays will be an issue. Almost all of the time we've spent in space has been in low Earth orbit (LEO), which is under the Earth's magnetic shield. The trip to Mars would expose the passengers to all the solar radiation and comic rays that our magnetic shield blocks, and studies have shown that the 24 Apollo astronauts that flew to the Moon showed a 5x greater incidence of cardiovascular disease later in life.
Immune system issues. Studies have shown that astronauts' immune systems are reduced when weightless and bacteria become stronger at the same time. Outbreaks in the enclosed environment on Mars would be an issue.
The conditions of Mars. Mars only has 1% of the atmosphere of Earth and even that is carbon dioxide, which we can't breathe. It also makes temperatures vary widely. Plus the soil is filled with perchlorate, which affects our endocrine system and can cause breathing problems.
LINKS LINKS LINKS:
www.nytimes.com/2014/01/28/sc...
image.gsfc.nasa.gov/poetry/ve...
www.space.com/33571-apollo-as...
Perchlorate:
www.epa.gov/sites/production/...
Video of astronauts landing:
• Soyuz Crew Lands in Ka...
www.voanews.com/silicon-valle...

[@joescott]

So, it has been pointed out - like, hundreds of times - that the image of Mars used in the first couple of minutes is actually the moon and not Mars. This was not some deep symbolism or a prank, it was an honest mistake. Probably a misnamed image file that I just didn't notice. Apologies for any confusion. I shall burn my face with acid in penitence.

[@clearsmashdrop5829]

Don't be so extreme. Just watch the remake of Total Recall 10 times in a row.

[@orchdork775]

@@clearsmashdrop5829 😂

[@Nwonotepad]

Great video Joe. Now you forgot to say the most important thing: we don't need to go nor we belong on Mars

[@Booga300]

Pictures or it didn't happen.

[@silasmarner7586]

That's a "mistake"? Hmmmmmmm......

[@omambianelson4853]

You spend 2yrs going to mars and back and then there's a conspiracy theory that you never went to Mars

[@ghostnoodle9721]

omambia nelson BIG ROCKET DID IT

[@hata6290]

Ghost Noodle nice

[@waitwhat3547]

nice

[@c9brown]

The mars landing was faked! It was just filmed on a Hollywood set. If they had wanted to make it believable they wouldn't have cast big Hollywood actors as astronauts and Nasa staff.

[@robinholmes9179]

That would be better than when you got there you found that there was nothing there! - That the existence of Mars itself was a conspiracy!

[@dominicjose3660]

0:27 "I was born at the heels of Apollo" Confirmed... Joe is a Greek God

[@philsburydoboy]

I wonder if that pun was intentional or not

[@lurkingshadow666]

Well played my friend, well played.

[@Maxgamer-fd7hv]

What is a god to an atheist? Nothing

[@ethelryan257]

@@Maxgamer-fd7hv And an atheist to a god?

[@kylewoods5469]

Orpheus

[@jbirdmax]

4:06 “Don’t fool yourself. Being on Mars _IS_ being in space, just, with ground”. Joe Scot. Aug. 19th 2019 Brilliant.

[@cacogenicist]

Except it's very wrong.

[@jbirdmax]

@@cacogenicist how so? I mean if you count Mars itself. But the Mars atmosphere is so thin it’s what we here on earth would consider low earth orbit or space.

[@cacogenicist]

@@jbirdmax - Densest parts of Mars' atmosphere are like being about 35km up on Earth -- not 200+ km. You can't make methane out of atmosphere and water at LEO. You can on the surface of Mars. It's a very thin atmosphere, but not insignificant. Descent to the surface of Mars from orbit requires thermal shielding. Etc. _" ... IS being in space ..."_ is not correct.

[@jbirdmax]

If that atmosphere were identical in composition to that of earth, could you stand on the lowest elevation of Mars (where the highest pressure is) and breathe the Martian air?

[@jbirdmax]

When I was in the US Marine Corp, in the late 80s we went (with about 25 civilians) to Mt Everest. Mt. Everest is roughly 8.55 Km above MSL (sea level). You need H20 tanks to breath up there as the atmospheric pressure is roughly 1/4 that at MSL and drops of quickly above that. You’re talking about an atmosphere with a density 1/20th that on earth. This is what we would consider “space” as there is little PPM Atmosphere.

[@dcolb121]

You're not being negative, you're being realistic and logical.

[@bj.bruner]

Yes. Most people can't tell the difference between pessimism and realism.

[@Libertas_P77]

I don't know why Joe forgot to mention how easy terraforming Mars will be. As soon as we activate the alien reactor in the Pyramid mine, we'll be sorted.

[@doburu4835]

Consider that a divorce!

[@Jayeeyee]

Don't forget we just need to transport a gallon of black goo and let it run its course and the planet will be terraformed within years.

[@linmal2242]

@@Jayeeyee No, you have to burn it first and therefore you need oxygen.

[@madzak9847]

Quadeee start the reactoor!

[@memesfromdeepspace1075]

ITS just simulation ITS not real

[@AbuvAvgJo]

"Also expect to be in quarantine for awhile." I wouldn't know how that feels

[@brokenwave6125]

You wouldn't. You haven't been in actual quarantine.

[@AbuvAvgJo]

@@brokenwave6125 so locked in a basement without food isnt quarantine?

[@TheSCPStudio]

JOS3SUS no, it’s not. Quarantine uses sterile rooms, hazmat suits, etc.

[@Haxzaw]

...you really don't, if you're talking about the Covid-19 vacation. just sayin

[@garfieldisgod]

@@Haxzaw More like "staycation". LOL

[@kenzopoe7050]

When you mentioned Cargo Ships it made me think of the Star Trek episode "Conscience of the King" where a supply ship didn't show up to an off world colony & without enough food & water the Governor ordered that Half of their number be killed so that the other half could survive only for the supply ship to arrive a week later.

[@harveyrichard2007]

Hello Joe - I simply love this video. I have been thinking the same for... decades. But you should also talk about the **psychological** issues ! Beyond the technical/technological problems, which are already hugely huge, even if they all get solved, I think that the psychological breakdowns of the crew (which technology will not likeky solve) will dwarf out all the technical problems combined, and it will do so very quickly, likely even before arriving at Mars.

[@ugaladh]

I always assumed the first trip to Mars is going to be a one-way trip.

[@brodyswope7722]

Intentionally or not itll probably be one way is kinda what i thought too if thats what you were getting at

[@esnevip]

@Anders Eriksson Get on science and futurism with Isaac Arthur.

[@nixl3518]

Jimmy Edward Joe has a clip on this one too!

[@melllvar4262]

Yes, one way or another it will be a 1 way trip....

[@davidelliott5843]

We don’t have an engine that can constantly accelerate/decelerate at 1G.

[@dominicjose3660]

"Being on Mars, is being in space...with ground" *Top ten most controversial statements*

[@fheedpexx9267]

Technically speaking, we are all in space right now. Where else would Earth be located?

[@desertrain4026]

Fheed Pexx technically you’re 100% correct but we’re acclimated here unlike anywhere else in the known universe.

[@alexrossouw7702]

The Mars Bar has 99% Earth's atmosphere, so is 99% outer space

[@Niskirin]

100% of earth is contained in space.

[@DeathDefiant]

''Why would you say something so controversial yet so brave!?''

[@timg3679]

This channel has seriously become one of my absolute favourites on YT

[@nerminsnowhuseinbasic9340]

Mine too and I don't even know how I got here, I guess comedy helps to keep me interested in space and stuff I don't understand that much.

[@BillPalmer]

“Packing for Mars” is also a really good book by Mary Roach. We should preposition supplies on Mars and make sure they got there OK before trying to send people (for which hopefully we won’t be using the bouncy ball method)

[@jeffbenton6183]

neither the bouncy ball method nor the sky crane method is viable for loads significantly greater than 1 metric ton. Any human-capable lander will use the "supersonic retropropulsion" method that the SpaceX Falcon 9 booster stage uses to return to earth.

[@tvre0]

@@jeffbenton6183 maybe with parachute assistance, but once they’re cut the people are landing with retro rockets.

[@jeffbenton6183]

@@tvre0 The problem with parachutes is that Mars has 1% of the atmosphere of Earth. At the *surface* the atmospheric thickness is comparable to Earth's exosphere. "...parachute assistance... once cut... landing with retro-rockets." is an accurate description of how every lander or rover probe has already landed at Mars. (Even Pathfinder which used "the bouncy ball method" also had at least one retro-rocket stage). For payloads smaller than 1 tonne, that's fine. For payloads that are between 40 - 100 tonnes, as will be required to land and accommodate humans, any use of 'chutes are a no-go. For parachutes to be of any help at all, they'd be far too large to be practical. They'll only serve to add unnecessary cost, mass and complexity. That's why Mars is considered one of the hardest landings in the Solar System: 'just enough atmosphere to cause problems, not enough to help. In other words, there's just enough air resistance to burn up your spacecraft, but not enough to slow it down for a hard landing. Anyways, all that is just what folks at NASA have written in various whitepapers (If I remember 'em correctly - it's been years since I last read one of those things). By the way, some of those reports are even older than the existence of SpaceX. IIRC, one paper insisting on the need to rely exclusively on retrorockets (and a reentry shield, of course) for crewed missions was published back in the '80s, and even that might not be the oldest one.

[@MR3DDev]

I think Sci Fi movies got it right. The only way we can become a space faring species, is if we can replicate gravity on a space ship

[@TechNextLetsGo]

Yeah they all have rotating rings, how hard it that to make? Just use YBCO which becomes superconducting at space temperature, will make a friction less bearing using the meisner effect.

[@theholyhay1555]

Andrew Shah-ntz I think if it is easy, they would have made it at least on the ISS

[@Extraxi274]

Or engineer ourselves to not require it.

[@davidk1308]

@@theholyhay1555 It's been a while since I heard about it, so I'm not sure how true this is, but I believe NASA (or someone) considered a small ring for the space station some years back, and found that it would lead to structural problems on the ISS, because it wasn't designed for something like that. Looking it up, I think it was based around this idea ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20150009516.pdf And if it did work, the ISS may be too small, which would lead to the ring being limited in size, and have a high Coriolis effect/limit the maximum gravity you can have www.geek.com/news/geek-answers-why-doesnt-the-iss-have-artificial-gravity-1563351/ If you want artificial gravity, you'll need a specially designed, independent station. That's going to cost a pretty penny, and take some time.

[@wizardtim8573]

@@Extraxi274 This, cybernetics, bioengineering, whatever. We have to physically adapt to space rather than force space to adapt to us.

[@granadakimj]

Humanity wiil go to Mars, not because it will be easy, but because it will be hard AF

[@dettie1948]

More likely because someone will make money....

[@DraconaiMac]

it WILL happen. I just wonder what it'll cost the brave and the bold.

[@pellebrannvall6521]

@@dettie1948 WHO?!?!?

[@pauldickhoff3594]

@@pellebrannvall6521 There are many suppliers in the Military industrial complex that will be very happy to swindle billions from taxpayers..

[@curiosity_saved_the_cat]

@@pellebrannvall6521 Or a payed live stream (big brother Mars edition).

[@janverbanck]

Great and objective video 👍 Two things to add: first, for travelling there, artificial gravity may be a partial solution. Probably even unavoidable. The first who go there won't have it my guess. Secondly, the rest Marsdreamers dream about like Mars bases, mining let alone terraforming, is even further away... Much further. And maybe, after some trips, we may even realise that it ain't even worth it.

[@cynthiasimpson931]

I have had chronic vertigo since 1990, and while it's better now than it was then I'm all too familiar with the sensation of the world turning in directions it really can't, and it's also very hard to think when this is happening.

[@lucaszanon5008]

"But here is the thing about Mars... ...it's not Earth" Damn. That's deep...

[@veralenora4033]

From 1492 to now is 500 yeas. That period covered the European settlement of the Americas. Which was still EARTH and had already been settled by other humans. So don't 'despair that it's taking us so long to get to Mars. We'll get there. It may be another 500 years for the Martian Republic to be founded. Look at the scale of the two periods of settlement. Retired librarian

[@directedby100]

I love this nuke level pessimism. 😂

[@directedby100]

Sounds like Event Horizon ...

[@directedby100]

Whenever I get too cheerful & proactive I just come to this site. Problem solved! 😆

[@coltonbates629]

69th like

[@johncollado1151]

Hi Joe.... I think your next video will be on artificial gravity for space craft. That will solve one problem.

[@yoda29000]

That will actually solve most of what he brought up. Just saying, we could have tried that in Earth orbit before, but no, we were too focused on studying the negative effects of zero-g.

[@johncollado1151]

@@yoda29000 I agree. You would actually think they would be working on that specifically. Solve the gravity issue and everything is just like the movies.

[@yoda29000]

@@johncollado1151 And just so you know, the Mars Direct Plan addresses this by a very simple method and it's from the Early 90s.

[@PCLoadLetter]

It doesn't even need to be 1G. Just a small & slow centrifuge to make pee, poop and blood go in the right direction, for part of your day. Almost no gravity is better than no gravity at all.

[@yoda29000]

@@PCLoadLetter "Almost no gravity is better than no gravity" Well, since we never tried it, we don't actually know how much is fine. But yeah, it can be done.

[@tammyleederwhitaker649]

You create great content . Thought provoking. Love your videos.

[@daniellevy4104]

I love this , you’re saying what I’ve been saying for years.. never goes well with people , like you burst their bubble ..

[@jambagestalten4713]

No matter how hard it is, no matter what it takes I STILL WANT other folks to go there 🖖

[@CarFreeSegnitz]

"Many of you may die... but it is a sacrifice I am willing to make"

[@samlengua]

I bet you're fat XD hahaha

[@morningstar9233]

YEAH! And i'll be right here watching it on tv.

[@larapalma3744]

Yes.....others

[@maxmccann5323]

People really weren’t meant to survive that long falling

[@MattWhatsGoinOn]

I just simply love your stuff, Joe. Keep up the good work. 👍👍👍

[@davesulphate4497]

That picture of "Mars" at the begining was infact a picture of the Moon :P At 0:43 you can see its the same object except rotated 180 degrees.

[@turkosicsaba]

Yes, it's red because of a lunar eclipse. And it's rotated more like 90 degrees. Other factual errors: the 93 billion light years is the diameter of the visible universe, not the radius. So we're about 43 billion LY from "the edge of the visible universe", whatever that means. Also the rocket coming back from Mars should be firing retrograde, rather than prograde, because it has to slow down in order to lower its orbit.

[@Tondadrd]

I think this is not the first time Joe used a picture of the Moon instead of Mars. He apologised for his mistake. And the history will repeat.

[@davesulphate4497]

@@turkosicsaba Fair point about the rocket but I think its understandable as its just a little graphic. Confusing the Moon and Mars is less forgivable given that the two objects look totally different (even during a a Lunar eclipse). Espesially considering that we see the Moon on a frequent basis, chilling out in the sky. As for the angle, yeh its not 180, maybe nearer 120 but whaterver, it looks roughly "upside down" to me. @MIMIK I didn't know that and it amuses me. Thanks for sharing :)

[@MorganPhillipsPage]

@Dave whoops, sorry, please send over your high resolution photo of Mars and will replace it!

[@davesulphate4497]

@@MorganPhillipsPage Why is it that any comment on you tube eventually gets a stupid reply regardless of the nature of the comment or video? Just compare a google image search of the moon with one of mars. They are totally different, you silly sarcastic sod.

[@Randomness400]

Just a thought, but instead of packing everything we need on the first trip lets send it there well in advance of us getting there.

[@denimchicken104]

That is indeed the plan

[@sebdapleb1523]

@@denimchicken104 probably multiple trips

[@arnoldjohnson3317]

@@sebdapleb1523 Multiple trips? How about hundreds. How many tons of just food will one person eat in 30 years. It would take multiple trips a month just to resupply. You would need craft like the Navy is talking about in their UAP report to go to Mars.

[@jerrynewberry2823]

Finding it next door, would bea a minor problem.. I bet a teamsters on Mars would have a hard time paying his dues let alone getting his truck weighed and inspected. (Tongue in cheek) it's a fn joke!

[@jeffmyname1637]

What about the food,water, communication system, medical supply, extra all of the above and entertainment for the half year trip to the planet.

[@dmnfklasdfkasnd]

the video is great and informative, thanks for your hard work to get it done.

[@Rcvapesters]

this is such a good video, thanks for including so much info thats not talked about when we speak about going to Mars...

[@PafMedic]

Fine,Have It Your Way...Im Going To Jupiter

[@ObservantDog]

Get's to Jupiter, and realizes its the REAL central hub planet, and the Earth we've known, was just an off-planet dump site this whole time. The equivalent of living in a dumpster behind a well-established restaurant. We never knew... because its the only place we've ever been.

[@garrysekelli6776]

I want to live on a planet with 4 times earth gravity so that I can get totally jacked without exercising or going to the gym. Ihen when I get back to earth I would be a superhuman.

[@aditiupadhyay5783]

@@garrysekelli6776 or dead?!?!

[@jacobmortimore]

@@aditiupadhyay5783 mostly dead, imagine the strain on ur heart and bones

[@3b0d1999]

@@jacobmortimore goku did it, why cant he?

[@filip3148]

12:05 missed opportunity: “mars hobbitat”

[@ZacMoroney]

@ezzz9 robots

[@duanewilliams7353]

@Milt Farrow There are some little people there, not hobbits but humans!! also little houses...for single only!! too small for a wife!!

[@duanewilliams7353]

@Milt Farrow If this is about the cars in Mars pryamid...go look!!!! it's available on google...just put in Mars Pyramid, and see the cars just left of the pyramid!!!!!!

[@michaelhemmelgarn5976]

Superb presentation Joe, thank you.

[@Sameoldfitup]

“Has it ever struck you that life is all memory, except for the one present moment that goes by you so quick you hardly catch it going?”― Tennessee Williams.

[@artdonovandesign]

Joe, I can't begin to tell you how much I enjoy all of your science videos. Thanks for all the hard work and great presentations!

[@keithscommunityanddomestic9513]

I second that

[@johnkean6852]

He wont condascend to reply too arrogant

[@CarFreeSegnitz]

Problems with zero G? Spin the crew compartment. Tether the crew compartment to a spent rocket stage and spin around their common centre of mass. Not a perfect substitute but close enough. Problem with radiation? Water jacket. We trust water to shield spent nuclear fuel. A metre-thick water jacket around the crew compartment will confer more shielding than Earth's atmosphere.

[@ionnanskilliorus6877]

If you're spinning the compartment won't that cause some problems with the water jacket? Plus water weighs A LOT one cubic meter weighs a ton.

[@CarFreeSegnitz]

Captain Jack not if you used rigid containers to hold the water. Or better still, build a free-floating, not spinning, shell inside which the crew compartment is mounted on an axle and spun. Of course any scheme that involves many tons of water is going to be extremely expensive to launch and construct. I'd much rather wait until we're confidently sourcing raw material from the Moon and asteroids.

[@ionnanskilliorus6877]

@@CarFreeSegnitz My thoughts exactly. A Moon base would be the logical next step and from what I've heard there could be significant amounts of water there.

[@philsburydoboy]

Lol yes. A meter thick swimming pool around the entire circumference of the vehicle. Only a few tens of billion dollars of fuel/rockets required!

[@FriedrichHerschel]

@@philsburydoboy You'd need Water anyways for the crew and the plants they are likely to have to grow on Mars.

[@jasonplant5432]

All right its joe.! Love your outlook on this whole thingy of the subject of space.

[@Joskus]

I think it is about time to revisit this topic, thank you very much.

[@bsjeffrey]

i already have a large head, sinus issues and bad eyes so i'll just stay here.

[@mrjava66]

bs jeffrey if you are nearsighted, it would be partially corrected.

[@richarddeese1991]

Yeah, all it would do for me is probably add cardiac issues to that list! :( Also, whoever *_does_* go to Mars, just don't tell'em to "break a leg."! :o) tavi.

[@Nefylym]

I just recently discovered your work and I am LOVING the way you manage to deliver mad knowledge with mad humor. Thank you sir!

[@johnmeye]

Incredibly informative! Well done!

[@havardspikkeland]

Love it everytime the drums and music starts!

[@mashrien]

I don't care if my name is never recorded, or if I die a week after landing. The sheer excitement of stepping foot on another *PLANET* is absolutely reward enough.

[@GlutenEruption]

Mash Rien - How is this not the overwhelming consensus in the comments? I love life on earth but I’d gladly take a one way ticket to another PLANET, even with every one of those negatives, and even if I knew it was almost certainly a suicide mission.

[@gusbisbal9803]

You have never come close to death have you. Imagine if how you would die on mars was a 110 day stretch of starvation. Lets see how you feel 45 days into that baby.

[@mashrien]

@@gusbisbal9803 Twice, in fact; once from drowning as an adolescent, another while deployed overseas. Fear of the unknown isn't going to change my decision- Even if it is 100% certain I'll die a horrible death, would still do it without hesitation. I doubt we'd have ever made it into space with that attitude. Self-preservation isn't the *only* thing in life.. And some things are worth the sacrifice, imo.

[@gusbisbal9803]

@@mashrien So I get that you like adventure but no one ever mentioned fear. This has nothing to do with fear. This has to do with, are you going to survive. And a horrible death doesn't happen in minutes. They are the good deaths. That is not what will happen on Mars. Doing something that you know will kill you, is not heroic. Heroism has got to do with doing it for someone else's benefit. Dying because you thought it would be awesome is called reckless. And its not the unknown thats going to kill you. You would die of totally known things. I am not a young man. I have served as well, love motorcycles, do high risk sh!t often but I manage that risk. I do things that make sure I survive. "F@#$ it, if I die I die" is sacrificing literally everything for a thrill/great experience. I fundamentally do not believe this is good leadership and it is not an example others should follow.Think about that last statement. Sometimes you should not do things because you should sacrifice your awesome adventure because it will stop other less capable people going after you due to your example. Consider that to be a more heroic sacrifice than "F@#$ it, if I die , I die"

[@MrSEA-ok2ll]

The state of your brain damage, caused by cosmic radiation during the trip, will be so extreme you won't celebrate anything. If you are cognitively able; however, you may take off your helmet in a state of panic...and I am not being sarcastic.

[@cvdevol]

That settles it. I'm stayin' right here. Unless they figure out artificial gravity, radiation shielding, and prevention of insanity from a 21 month confinement in a small spacecraft.

[@brokenwave6125]

No one will ever invite you to Mars anyways

[@ignorasmus]

@@brokenwave6125 😂😂😂😂 Good one!

[@ivannoreland5656]

Artificial gravity is not that hard to create with acceleration or rotating spacecraft

[@Us3r739]

You listen to earth sounds, music, have an ai on board that is really intelligent and sounds like a human, and have other humans on board.

[@struckfire-de7or]

21 months is nothing imagine being in a solitary cell in jail 4 20 years that has happened to people. There's nothing worse on this planet or off than a solitary cell I was in one for 3 months for a jail crime that I didn't even commit because of corrupt guards while I was also in the jail due to a crime that I did not commit because of corrupt police. And because of all this corruption they put me in basically the whole so I couldn't communicate with my family to change my situation. They literally make you have no phone calls no letters no pen No pencil no nothing they just forget about you until the courts make them remember you. I sat in jail for over three years because of corruption because a DA couldn't admit that this was a false charge. They said they had video of something that I didn't do and fighting in court just trying to get the video took 3 years and then after three years they produced zero video because it was false I got out and it's still on my record that I was arrested. So yeah Mars would be a walk in the park compared to what some people experience in the criminal justice system in America. Drop the mic. Yeah boy.

[@samheida6686]

I appreciate the skepticism. Everybody else seems blind to all the potential flaws and describe the future missions as if they were describing a fantasy.

[@andyreznick]

This is so upbeat! Thanks!

[@Firstpick]

*you want to go to mars* -> shows Red Super Moon :-D

[@y.shaked5152]

Haha, I didn't even notice that until you pointed that out! Good pair of eyes you got there. Might not want to go to Mars though.....

[@Duncan_Idaho_Potato]

*Joe:* makes a powerful and well researched case for why humans going to Mars is unlikely to happen any time soon. *Dunning-Kruger idiots:* "Hey, that picture is a red moon, not Mars!"

[@mozkitolife5437]

Visited the comments to see if any others saw it. I'm sure it's an Easter egg. No way Joe did that unintentionally. His anxiety has to be on the same level as ours.

[@robertgraybeard3750]

@@mozkitolife5437 - no, there is a post where he admits it was a mistake. So far as I'm concerned, it's an acceptable mistake, especially since he admitted it and apologized.

[@mozkitolife5437]

@@robertgraybeard3750 Holy shit, didn't expect that haha

[@VidActionTV]

"Hohmann Transfer" means "Hohmann, is that going to take a long time!" - Dane

[@ellemm]

Thanks very much for this informative video!

[@mikefealey5221]

I love this dose of reality. It's going to be so exciting

[@Chef_PC]

Well, I guess I can scrap my garage-built Mars mission. Time to take up crochet. Thanks, Joe.

[@CarFreeSegnitz]

Copenhagen Suborbitals copenhagensuborbitals.com

[@joescott]

Maybe crochet a rocket?

[@oscarmeow5348]

good news!!! I am a absolute lunatic with a total disregard for their own life!! edit: went through not even half the video, you're gonna have to find another absolute lunatic with a total disregard for their own life

[@JohnnyWednesday]

I'm totally cool with dying on mars - if I have to spend much more time on this planet? I'll jump off a building - and since a life is priceless? it's actually uneconomical not to send me to mars.

[@cro-magnongramps1738]

Ok, your replacement is here... Having had a loooooooooong time to research this, I am prepared to take the leap. AND NOT GOING TO COME BACK!! That is a useless endeavor. Forget the ticker tape parades, the interviews, and all that... I'm there to expand humanities reach... NOT to be a celebrity... Joe is just taking the extreme negative view, rather than the positives... I'll just be prepared which ever it is...

[@augustusmcgovern6084]

For watching the whole video or for taking the journey??

[@anarchyantz1564]

@@cro-magnongramps1738 I am also prepared to never come back! (seriously who would want to?) Have plenty of fat reserves so hunger wont be an issue lol

[@joescott]

Don't cats have 9 lives?

[@AngelRivera-wp9bg]

Well that was a cheerful presentation thanks Joe. You good for it.

[@MyRendersonique]

Brilliant! I'm watching space X daily on Nasa Spaceflight. Really looking forward to the Startship launch. Long way from Mars but your 100% right about all of this

[@grizzlehatchet1]

Well that was alot of new information! Thanks Joe... And here i thought i knew alot about mars from watching Total Recall 87 times.

[@michgingras]

yea because the best way to learn about science is to watch fiction lol Total recall was cool though ... i think ... well the parts i can remember ... Woot ! o,O

[@brainmind4070]

Give this people aya!

[@gamrgrex]

"Scariest Environment Imaginable. Thanks -That's all you gotta say. Scariest Environment Imaginable" --Owen Wilson in Armageddon

[@callbackdons]

Haha! You're right. Perfect quote for this :)

[@craftpaint1644]

Like Dr Seuss nightmare

[@Preppylittegirl]

Just watched that packing for Mars it was pretty good !! Make sure you have everything you need that’s a long trip.

[@solarwinds-]

I completely agree with you Joe.

[@Lavourrin]

So Doomguy is actually a normal dude who got paranoia and schizofrenia after prolonged exposure to cosmic radiation on Mars. Dude just keeps killing other crewmen. Got it.

[@bombappetit]

Micheal Bay's space dementia

[@TheGhostOfSabotage]

If you haven't pissed someone off, then you're doing space stuff wrong!

[@critterfestsanctuary2446]

So I'm happy to announce I've been offered to be the first man to go to the sun. I'm only going to be able to stay on the surface for two days due to budget cuts with the space program. I do look forward to sharing the experience with the world. I will be having a live Q&A on my channel soon. Everyone is welcome to join. :-p

[@oliverkuttner356]

I genuinely like your reality based approaches to questions. I un a small engineering firm and we have solved some problems which have been seen as impossible with this approach, most notably have a car in the henry Ford that did EPA certified (2010 protocol) 109 MPG burning gasoline. I thank you for these videos. If we look at all problems with reality instead of spin and guessing imagine what would be possible.... have a good day.

[@chirai_]

Just heard Joe say" Daddy has a big one" in Spanish when he's naming off his patreons. 20:40 That absolute untit!

[@bellrugby03]

🤣🤣🤣

[@amosbatto3051]

"Papi lo tiene grandes" doesn't make grammatical sense. I'm guessing that he wants to say "Daddy has big ones" (referring to testicles), because he pluralized the word for big, but he said that wrong as well.

[@gordonpeden6234]

That is the most interesting thing on Joe's Mars talk.😅🤣😂

[@Booga300]

"So you want to go to mars do you?" Shows "Moon" clip art that he tinted red. My brain implodes.

[@Duncan_Idaho_Potato]

*Joe:* makes a powerful and well researched case for why humans going to Mars is unlikely to happen any time soon. *Dunning-Kruger idiots:* "Hey, that picture is a red moon, not Mars!"

[@JasonPokines]

It's a moon during a lunar eclipse, not a Photoshopped red moon.

[@CarFreeSegnitz]

ProgHead777 ... Repeatedly showing the Moon and going on about Mars. It's as grating as someone delivering a JFK biography but constantly displaying a picture of Lincoln.

[@keithscommunityanddomestic9513]

i just love your optimism :)

[@dennisaulayrobinson]

Immensely enjoyable. Kudos

[@Bamruff62]

My Dad worked for Convair, ( which later became General Dynamics ), and there he worked in the "NERVA" program. They were planning to send a 6 man team to Mars, but the program got cancelled. The U.S. Government wanted to fight in Viet Nam instead. It was going to be a 500 day round trip. I believed it was planned to go in 1978.

[@craigburghardt8604]

Sadly ironic that trying to stop the spread of communism, that most Americans have very little understanding of, stopped a social program.

[@BertGrink]

I didn't view this treatise as being negative, merely realistic.

[@sunnywiseheart4372]

Yeah Joe, no stink eye from me...😛😊

[@Deploracle]

@Eragor the Kindhearted Why must we? It's clear there is nothing there we really need. We've already sent dozens of orbiters/landers and they have all returned excellent geologic data. There is no life there, nor anywhere else in our solar system. It would be the height of ignorance to search for life ... anywhere close. Even the most liberal of scientists give life a trillion to one chance of occurring naturally. The odds of it popping up on any of the 10 closest planets from us is so outrageously long that even mentioning it is pointless.

[@brianarbenz7206]

It may be negative, but in the same way that astronauts say "negative," when they mean no. They aren't being gloomy or downbeat. They are just answering honestly.

[@saulosobral3097]

@@Deploracle "Why must we?" Well...because it's there!

[@spacecadet35]

I consider it negative because he mentions the problems, but not the known solutions to those problems.

[@MrApuck4]

You're so funny! I really look forward to watching your vids :)

[@vaszgul736]

Exosuits could help you move and stay safe maybe? For the balance issues and etc. Just a thought, since we're working on those too

[@pieteruys2032]

Joe, you do a really good job with your presentations. Thank you.

[@doncarlin9081]

You are depressingly pessimistic and yet sadly depressingly accurate lol.

[@destinal_in_reality]

Not at all. It sounds like he hasn't even read Zubrin's Mars Direct plan, so he's stupidly pessimistic.

[@TrapperBV]

I think Joe needs to spend more time thinking about WHY to die instead of HOW to die.

[@destinal_in_reality]

@@TrapperBV A ship is safe at harbor. But sitting at harbor isn't what ships are *for*.

[@TrapperBV]

Joe needs to watch Fight Club. “It’s only after you’ve lost everything that you’re free to do anything.” There’s much more to life than dying slower than everyone else.

[@idapike4166]

Half right read mars direct

[@davidmcpherson6525]

This is not a list of why we cant it is a shortlist of problems to overcome. Thanks for the great videos and mind-stretching ideas!

[@michaelmeredith2352]

I totally agree with your first video and I totally agree with you with this video😁😁😁

[@idapike4166]

I guess u have never heard of mars direct

[@robertgraybeard3750]

@@idapike4166 - Zubrin's proposals are quite interesting. Two are obvious . . . send robots to build habitats and a "factory" to tear CO2 apart into carbon monoxide (fuel) and oxygen (oxidizer) for the return rocket.

[@robertgraybeard3750]

@Michael Meredith - and Joe did a reply to his first: _5 Reasons Going To Mars Is An AWESOME Idea | Answers With Counterargument Joe_ kzbin.info/www/bejne/Y36tmKSKmteqb9E

[@bearlemley]

I’m ready. I used to risk my life for a paycheck. I would defiantly go to mars.

[@TrapperBV]

What’s the success rate for Everest summits? There’s a line up every year. And that’s just to go on a long walk. The line would be a hundred times longer if humanity was actually trying to DO something up there. I’m not saying it’s smart. It’s purposeful. Think about what you’re choosing just to live long and grow old. Forget everything you ever did, have your liver slowly poison you, cancer, slow respiratory failure, crippling arthritis. Dying for something you believe in is what got us here, I’m kinda shocked how many people cut that down.

[@destinal_in_reality]

@@CarFreeSegnitz I don't think so. There's certainly a significant risk in anything related to space, but Mars would be a lot safer health wise than the ISS, with a bit of preparation and some redundancy built into the mission. The risks are just in the new systems we'd be building, we'd try to test them we'll in advance and of course there's always a risk something goes wrong.

[@bearlemley]

Trapper V Yes, that is what the great human explorers said that sailed out on uncharted oceans just to expand human knowledge of their planet. Yes, obviously they were just looking for ways to commit suicide and should have stayed in port or in sight of land at all times. For me it would be that mission of discovery, and exploration. Some have this, some stay in port.

[@TrapperBV]

Bear lemley I think this video and the majority of the viewers simply don’t understand why anyone would participate in a mission like this and I don’t feel it’s given its level of respect. There are men who volunteered to get irradiated to initially contain Chernobyl reactor. We get it people, you wanna grow old and die in a white hospital room, don’t assume that’s everybody. There’s more to life than being the slowest to die.

[@jacobsantana603]

Imagine going back in time to someone in 1969 and saying that the ISS is routine and boring. Made me smile a bit. Puts into perspective how far we've come since the moon landings

[@stevenrofe6195]

Love your work, keep them coming but please cover the NEO. I installed Discord some time ago but haven’t figured out how to use it yet, maybe another explanation on OLF, I never miss one.

[@grumpyoldstudios]

MARS will have to use Pre supply not resupply. So you make sure you have more than enough there before you go.

[@memesfromdeepspace1075]

Need Giant city as big as Nevada and all animal and food to support 10 people

[@rafaelgimenez6645]

@@memesfromdeepspace1075 loooooooooool is that a fact? U only need to have enough stored b4 u go for enough time to start producing own food there, so ur city is for a city full not 10 ppl and u sure as hell dont need a whole city for 10 ppl

[@memesfromdeepspace1075]

@@rafaelgimenez6645 look Joe Scot video about biosphere

[@General12th]

Fortunately, we should be able to fly Starships totally automatically, so there would be no problems sending ships full of food and supplies ahead of the human wave.

[@fivelinus432]

Finally someone said it. Thanks joe...great episode.

[@mgsls]

I’ve always thought a potential way to help travelers deal with zero g’s would be to have a rotational gravity situation, but only while the people are sleeping. So instead of being vertical with a big difference of gravity in head v feet, it is a little more even over your body (back/ chest) plus, you don’t move a ton when sleeping so that would be a benefit, too. Of course the contant change of 1g and zero g could bring up a whole different slew of problems but really just thinking out loud here.

[@lgerheart]

Love your channel Joe. I watch your show like, hey, thanks for doing all the research for me. So as a Thank You, I signed up with CuriosityStream on your dime. Wait, my dime. Your name, my dime. That makes sense. Ok, going to go feed my brain more. Thanks man

[@willbejamming1532]

Thanks for this informative video. I cancelled my trip to Mars. I am now planning a visit to Venus.

[@Euquila]

11:35 Me: "2 deg C, well that's not terrible, I can build a..." Joe: "In the same day." Me: "..."

[@kalajuaire6550]

Joe! My son manages Asperger's and he loves science and technology and I run your channel on my tv most of the time. I even sent a link for your channel to his sped class for the teacher to use.

[@worldkeyvideo9080]

Great video, You stress many of the problems with going to mars. I agree with many of the challenges you put forth being difficult. One of the biggest challenges I which wasn't mentioned is the communication time delay. Because of the tremendous distance it would be a lot harder to get help from earth and would therefore require a much higher level of independence than other missions. I don't feel that the problems proposed are in any way completely preventive. For example better reasurch in artificial gravity technology could drastically reduce or eliminate entirely the health effects of prolonged weightlessness. Radiation protection is a challenging issue, but not impossible to overcome.

[@shallowbay3624]

LEAD, we need a spaceship made out of lead. Seriously though, lead is heavy so it would be hard to construct. Maybe a Mars transport ship isn’t one we launch from earth straight to Mars, but one we build in low earth orbit transfer crew too and then set off. A bit like a ISS designed to go that way

[@andrejmucic5003]

I think a Tesla hardtop would be sufficient shielding for a Mars voyage.

[@kimokla3874]

yep the Scott Kelly style of car from Matt Damon

[@edwardpate6128]

I don't think we should even contemplate a trip to Mars until we have some form of permanent Lunar colony in place. Much could be learned from that.

[@JordyETV]

Well, that cheered me up. Thanks pal

[@patrickmurphy6775]

Another logical video. Good work.

[@emancoy]

We need a bigger ship, with an enclosed ecosystem, adequate radiation shielding, centrifugal gravity, adequate propulsion. I am imagining a babylon 5 size ship.

[@theholyhay1555]

emancoy that’s the needs, but a ship wouldn’t hold a sustainable size of what you said to be in shape to fly. These things require a massive bio planet that doesn’t move

[@autohmae]

Build a habitat with robots first on Mars.

[@theholyhay1555]

autohmae that is the actual goal for both the moon and mars, robots that build the entire habitat and we go maintain and live there

[@sebastienraymond3648]

@emancoy This is possibly very close to an adequate answer for long-term space trips in our solar system. Very good comment !

[@eluminaryxarrais7735]

Once you do that you basically just constructed in O'Neill cylinder and you're better off just living on and constructing more of those than trying to live on Mars.

[@christinep5524]

it was interesting to hear your reference about us learning many things from the space station. Be nice to have a video on what we've learned so far. Excellent video! Thank you.

[@darrinhorowitz113]

Great reality check, thanks.

[@blu8772]

People: "mars is difficult " Crew: "Yes" People: "You still want to go there? " Crew: "Yes" People: "Why" Crew: "Yes"

[@keithscommunityanddomestic9513]

people don't care that it's difficult cause it's about the excitement, and that excitement is the greatest cause of insanity because it becomes obsession

[@Daniela-pr7rz]

@@keithscommunityanddomestic9513 Yes.

[@Marc_Gagne]

Lol

[@thigimenes]

“We choose to go to the moon not because it's easy, but because it's hard” JFK

[@orchdork775]

More like, "We choose to go to the moon, not because it's easy, but because we can't let Russia get there first." 😂

[@thigimenes]

Jackie Johnson fair point! you made it much clearer and accurate ☺️

[@KylePoni23]

I learned not long ago that Kennedy was going to cancel the moon missions but got assassinated before he could, and Johnson then couldn't cancel it and save any face, had to go through with it.

[@rpbajb]

@Doomguy. I didn't know that. Do you have a source? Sounds like the difference between "Profiles in Courage" (JFK) and failure in courage (LBJ).

[@pauladams4886]

Don’t you mean the moon studio ??

[@MrSEA-ok2ll]

Here we are planning on a Mars trip when we haven't landed on the moon for almost 50 years? Huston, we have a problem.

[@josephw4830]

Test your theory

[@johnhebert2757]

Maybe we didn't go to the moon.

[@josephw4830]

@@johnhebert2757 That's my theory

[@ebongjr793]

John Hebert loool stfu flat earthers

[@duanemansel5704]

Never went to the moon.

[@joekeith2819]

I think a good few prerequisites for a better mars mission would be: 1. Automated rocket launches capable of interplanetary crewed levels of delta-V 2. Moon base with rocket assembly + launch pad 3. Orbital large ship construction 4. Autonomous construction of future bases or at least landing/ launch pads 5. Drop ships. I think a crewed orbital rendez vous with Mars and, with some excellent cameras on board would be feasible in the short term, and definitely worth the effort! Landing seems way beyond the scope of our capabilities right now.

[@cuddles31]

This video gave me so much anxiety and I don't even care about Mars. Great job, Joe!

[@grlldfsh123]

“Mo Miles, Mo Problems. -P Diddy” Joe Scott, 2019

[@tacticaljackson]

Ryan P, 2019

[@windnwater7706]

Tactical Jackson, 2019

[@terrificfrogg8377]

WindnWater, 2019

[@grlldfsh123]

terrificFrogg, August 2019

[@stevemickler452]

For nearly 40 years I have been advocating a form of rocket propulsion that can radically shorten the trip to Mars without requiring much in the way of tech development or cost: solar thermal rocket propulsion. STP uses sunlight to directly heat a propellant , usually hydrogen, and has demonstrated over 1000 seconds Isp. At the annual Space Congress in Cocoa where I presented a paper on the subject back in 85; I was told it would not be developed because "it doesn't cost enough". The solar concentrator can also be used for power using PV for concentrated sunlight which has efficiency over 40% and more than an order of magnitude better specific power than current space solar PV. This allows thermal to be used in a series of perigee thrusts to escape and then switch to electric propulsion. Trip times are faster than nuclear thermal for a very tiny fraction of the cost.

[@morkovija]

Im wondering if someone done any research into that independently. Surely these days ideas are much more likely to gain traction.

[@danielbudney7825]

So, you explained why the Government and Big Aerospace weren't interested; did SpaceX say why they weren't interested in it?

[@coder0xff]

What are the disadvantages?

[@lassievision]

If accurate, then approach private enterprise, for whom, unlike government, 'costs too much' is the issue. I'm sure you'd find an appreciative ear at one of the private space start-ups.

[@bazoo513]

@@pyerack This reason sounds plausible. Up to about 10 years ago, whenever there were two options to choose from in American space program, the criterion was simple: one that costs more. The codeword was "advancing the technology". But with massive commercial satellite constellations the equation has changed: not low cost is the king.

[@peterloohunt]

Re gravity- if the ship is coasting, you could seperate the habitation and engine sections by cables, and spin them to create some gravity, which in turn would make any exercise briefer and more beneficial.

[@ewg6200]

It's so funny the way you always swivel around at the beginning to face the camera. Much funnier than V-Sauce's jack-in-the -box. Or not.

[@krzysztofm1059]

I like your Show very much, you 're getting better and better. Keep up 👍