Right now we aren't certain that there are other life and if there has been. So if we learn to populate the galaxy and even the universe we might be able to create or help life form and so make the universe a place filled with life.
I don't buy it. Radiation is the big deterrent to manned space travel, and it always was. Water, food- even the distances we could find ways to deal with. But until I hear about something plausible to protect people on the multi-year travel there, as well as on the surface for long-term habitation, I'm not listening to the mindless optimism of the people pushing for this. As far as I know only thick lead or concrete shielding stops gamma rays. When NASA cooks up a way of making space ships out of either of those things I'll wake up and pay attention. Until then we're stuck here, period. You do realize that no humans have officially so much as left near earth orbit since 1972 because shielding the ships properly is not possible? And this problem of radiation makes me question even that story. Not as if the US government hasn't been caught in thousands of other lies I mean. Why shouldn't that be one of them, especially since we can't replicate now what the Americans claim to have done in the late 60s and early 70s without a hitch? And we can't. You may think we can, but you would be wrong. That's why we're not leaving near earth orbit. It is not because we don't want to. It is because we can't. And if you feel like arguing, they can prove me wrong any time they want. It is all up to them. But I've been waiting since the 70s after having been brought up believing that the USA had mastered manned space flight, which is what they claimed and are still claiming. And I waited and waited until I gave it up when I realized that someone had lied to me in some way here. If we could go we would obviously have long ago, so evidently we can't. This big lie, if that's what it is, is about to get some very gullible and naive optimists killed in space.
@@politicallycorrectredskin796 You making the claim that it's not possible doesn't make it fact. You claiming they have been trying and failing is also not based on any facts, unless you care to show the crafts that were built to send humans into space. Which ones are they again? Electronics are far different and far more sensitive to the radiation. Thus, they needed to develop different crafts. Because there was not a plan to send people back, until recently. So yes, they need to rework the science and engineering. Why would they use 50 year old tech?
I think my favourite thing about Crash Course, any of them really, is how excited the hosts are about the subject material. Hank is giddy about biochemistry, John absolutely adores historical narratives, the kind of enthusiasm and genuine passion is really what makes these videos truly great learning tools. I've been teaching my baby sister about the planets and the solar system, and sometimes the same excited smile she has, I catch on Phil...keep it up man, we love you!
+CrashCourse If given the task of managing the terraformation,which planet would you terraform?Mars or Venus. We don't have the technology yet to terraform Venus while Mars is a popular candidate that is actually hard to terraform.
Can i just say that your intro has the most perfect timing. It has just few seconds so it is worthless to move to speed it up or jump over it but still it is a nice introduction to the series. Brilliant job!
Mauro De Simone I thought I knew relatively a lot about space and astronomy and yet this series keeps teaching me new stuff. Well, except this episode. I obsess over Mars too much to not know all of this stuff.
its amazing to be alive now to know that distant heavenly bodies are just a few decades from having humans on it. I mean these are objects in the sky that humans even just a hundred years ago would never think of ever reaching.
Deathcap Rabadon Sometimes I like to explain the state of the world to myself as if I were explaining it to someone from the past. I would imagine it would be mind-blowing.
SpazzyMcGee1337 It absolutely is. Just a few years back, the endless information highway of the internet was a thing of science fiction. A few decades further back and home-computing wasn't even conceivable. Go back about half a century and the thought of man stepping it's foot on a celestial body that is not earth, was something that only happened in books written by Jules Verne a while ago. And so on and on. The progress humanity made just in the last 200 years is nothing short of amazing. It took us millions of years to leave trees and forests behind us. It took us a couple of ten thousand years to basically settle this entire planet. A few more thousand years and we switched from being universally foragers and scroungers to a people building cities and growing their own food. Shortly after, we discovered how to "conserve" knowledge by writing and ever since then, shit just got ever more real. Think of it: There's not even a single human's lifetime between mankind doing their first powered flight and setting it's foot on the moon... Mind-blowing is the only way to describe that.
MadnerKami That's actually not true. The exponential increase of knowlegd in the the past since enlightenment stems indirectly from an increasing world population and increasing living standards and therefore increasing number of scientist able to live and work solely for creation of new knowledge, not from the existing knowledge. Increasing world population and living standards of course has it's limits and is tightly bound to resource availability (which is also limited). Increasing knowledge just increases the existing boundaries and therefore lays the foundation to further increase knowledge. It's a prerequisite but not a driver. Just imagine from tomorrow on, you would reduce the number of Scientists to 1/10. The result is, that knowledge increase would significantly drop, despite existing knowledge worldwide wouldn't change at all. BTW, the more you know, the more difficult it gets to increase the knowledge as you need more sophisticated technology (LHC is probably the best example). A pretty good example is pharmaceutical industry, where R&D costs to create new drugs explode and output drops, as the conventional method reaches its technological boundaries, despite out knowledge exploding in this area.
***** Does "Kuru" mean anything to you ? Cannibalism is pretty unhealthy. The higher the evolutionary distance between you and what you eat, the higher the barrier for potential diseases to transgress. So it's a lot safer to eat birds, instead or mammals, or mammals instead of humans (assuming you are a member of the genus homo).
My kids and I are doing Space Week this week and I found a great writing prompt/graphic organizer that asks the question, "If you were asked to join the first team of Mars explorers, would you go? Write a letter to NASA explaining your choice and give 3 reasons why or why not." They are 7 and 10, both with special needs, and they have a general understanding of the solar system but we hadn't gone very far in depth on any of the specific planets. So we watched this video today (their first exposure to Crash Course) and while I know a fair bit of the vocabulary was beyond them, they loved the graphics and were able to repeat back to me a lot more than I expected them to retain. I showed them a few National Geographic videos about the Mars Rovers afterwards and they were both like, "Can we go back to the other guy?" So thanks, Phil and the team! The timing on this video was perfect and I can't wait to see the rest of the series.
I have seen other astronomy videos on yt but no one beats Phil Plate when it comes to explaining complicated and fascinating facts with such ease and enthusiasm.
Yeah, but you can pretty much only see Saturn's rings with a common telescope on Earth, you will want a space probe or something if you want to see the other planets' rings. I have tried pointing my telescope at Jupiter, and I could only see the planet itself and its four biggest moons.
Astronomy is just so intriguing! I love how you can learn so much about our Cosmos and how you can go beyond the limits of Earth! Rock on CrashCourse , I hope you continue to help people decades from now!
Sky Breeze Possibly, but those sweet 3D printed Kerbals are on loan from Michael Aranda. Most of the stuff on this set, in fact, was brought in by different staff members.
Potato shape mad moons hmm that's what it says if u drag ksp out of the folder and the only things u can build with is an asteroid and the description is a potato shaped object that orbits the sun
Thank you very much, Phil Plait and the others at _CrashCourse_ Astronomy, for making this wonderful video about Mars! I really do hope that we manage to send humans to Mars and that we build a civilisation on the planet, and I do think it is going to happen in my life time. I am only 14 so far, so they have plenty of time! So Mars has a really thin atmosphere, but it has an atmosphere, that is mostly comprised of carbon dioxide (COˇ2). How much for that atmosphere is oxygen? I think I have known the precentedge before but I have forgotten it. EDIT: Oh, also, I love those ghosts on Mars!
Here's hoping! SpaceX are aiming for 2025, though others think it's more likely going to be 2040. Still a good sign, though (as long as they get the funding)
Couldn't we, like, build underground cities or something on Mars? Protection from the UV rays, No worries about meteors. And protection from the harsh climate. Or is an above ground colony the better solution as our technology improves to protect us from the harsh environment?
NovemberCrystal In the long run, it would most definitely be better to build underground or in lava tubes as mentioned in the video. But i think sending a crew of 8 people, and decide to dig or cover up a big underground base for them to inhabit, instead of just using a few prefabricated living/science modules is the more feasible short term solution.
IchBinEin The problem is that sending people to mars without a way back is hard to sell to the general population. Especially since the first "wave" would basically be a suicide squad that does some research, but mainly prepared the habitat for following missions. With that much radiation exposure they won't last long. You probably wouldn't have a problem to find highly qualified volunteers, but try to sell that to the media.
Alex Sitaras Possible etymology: Miranda Sings used the word, bae, to describe her boyfriend, as in "baefriend", using her Miranda Sings voice. She vlogged about discovering it was Danish for poop, but thought it was funny anyway and kept using it. As far as saying this show is his lover, well, I'll just let that hang awkwardly over there.
Ahh, Bad Astronomy. The book I read at just the right time in my life, which helped contribute to making me a smidge smarter and much less easy to fool. I appreciate the heck out of what Phil does and this presentation on Mars is especially welcome since I'm working on a story set there. Thank you!
Cullyn Knight pluto is not a planet so it will not get its own episode they might do a episode on all the dwarf planets or the kuiper belt or something
Jouzou87 And what could that be ? Pluto is a rather irrelevant Kuiper belt object. NH will certainly increase our knowledge of it (and Charon) manifold, no question. But completely changing ?
if we were to colonise Mars, would we have to make new timezones for mars? How many days or even weeks is Mars ahead or behind us in time.....same question kinda goes to the Moon as well
Would have loved to hear more about the magnetosphere and how it would affect possible manned missions there. You BETTER cover that sort of stuff when we get to Jupiter and Saturn with their ice moons.
Mars doesn't have a magnetosphere, which is why its atmosphere has been eroded by solar winds to the point it's only 0.01% of Earth's atmospheric pressure on the surface. Thus no surface protection from radiation, particularly galactic cosmic radiation. Thankfully that can be blocked be a meter or two of surface soil/regolith or rock, hence his discussion of using lava tubes for base locations, as has been discussed for use on the Moon. Later! OL J R :)
Anyone get unreasonably annoyed at the mixing of Greek and Roman names? Mar is Roman, but Deimos and Phobos are Greek. Deimos should technically be Metus or Formido, and Phobos should be Timor, Timorus, or Pavor. There's also caves in Virginia where a column is called Pluto's (Roman) and instead of Proserpina, they called something else Persephone (Greek).
ashley beaumont good question, without copy/pasting i think this page can give you a good idea of how hard that is. chemistry.stackexchange.com/questions/5035/chemical-methods-to-extract-oxygen-from-rust
As a Mars enthusiast watching this video I've learned nothing except that one of Mars' moons will crash into it cosmically soon. I figured that I probably wouldn't learn a lot but I thought I'd watch it anyway. I may not have the credibility but the information was very accurate. That being said, I have no idea how you can make a video about the wonders of Mars WITHOUT even mentioning Hellas Planitia.
Max Fux Actually this was the ONE time, where i didn't want to be right about something. :-( And what's even worse .... you don't even know from which country i am, and I don't know from which country you are ... and nonetheless we do agree about the situation. THAT's pretty depressing.
Hey Phil et al., Thanks for another great episode. Please review your statement at 1:00. Saying that Mars is half the size of Earth is like saying that a tennis ball is half the size of a bowling ball. Is it proper to base "size" comparisons of nearly spherical objects on the ratio of their radii?
When I knew you were an astronomer I just thought oh a normal astronomer who just does research but on Monday on SBS one I saw the documents stripping the cosmos : Mars from the BBC and I saw you and im like to my dad OMG LOOK ITS THAT GUY FROM CRASH COURSE but of course my dad had no clue what I meant so that was awkward ..... But yeah ps I live in Sydney Australia
Back in elementary there was this series called lets explore (it's real look it up) and the books were about the planets of the solar system. There was let's explore saturn, let's explore mars and etc. There was also let's explore Uranus, you can see how this lead to some conflict.
Remember that land plants didn't arise until around 700 million years ago during the Precambrian... that was about 3.8 billion years after Earth's formation, LONG after Mars had dried out and frozen. IOW, MOST of the history of life on Earth has been microscopic life forms or very simple life like blue-green algae, stromatolites, etc which wouldn't leave anything but microfossils. It wasn't until the "Cambrian explosion" that higher forms of multicellular complex lifeforms really started to proliferate, about 500 million years ago or so. Mars would have had "Earth-like" conditions for only maybe a half-billion to a billion years after it formed, so if life arose in that time period (which it's thought life did arise during that time period on Earth) it would have been only the simplest of microorganisms, certainly not more complex forms of life like plants or even sponges or even blue-green algae in all likelihood. Later! OL J R :)
Ryan Davidson in a way yea. oxygenated blood is a rich and brighter red from what i can remember then becomes a deep darker shade of red deoxygenated :D
I will *gasps* never *gasps* miss a *gasp* episode of this, *gasp* I was *gasp* at work *gasp* then I *gasp* ran back. *gasp* I also *gasp* don't have *gasp* a smartphone.
+Nick Denryter it's liquid water. not standing liquid water like we see here on earth, but it's water that flows through deposits of salts. These salts keep the water from freezing, allowing the water to flow (through the salts) over the course of time.
+Ryan Chapman But of course, it must be underground. Because if it were on the surface, thanks to the average temperature on mars being -81, any water would freeze.
"There will be life on Mars, and it will be us." I can't even put into words how much I love that statement.
Right now we aren't certain that there are other life and if there has been. So if we learn to populate the galaxy and even the universe we might be able to create or help life form and so make the universe a place filled with life.
@Irritable Jon Syndrome Seeing as Mars is a planet the concept of benefiting can't even be applied to it.
I don't buy it. Radiation is the big deterrent to manned space travel, and it always was. Water, food- even the distances we could find ways to deal with. But until I hear about something plausible to protect people on the multi-year travel there, as well as on the surface for long-term habitation, I'm not listening to the mindless optimism of the people pushing for this. As far as I know only thick lead or concrete shielding stops gamma rays. When NASA cooks up a way of making space ships out of either of those things I'll wake up and pay attention. Until then we're stuck here, period.
You do realize that no humans have officially so much as left near earth orbit since 1972 because shielding the ships properly is not possible? And this problem of radiation makes me question even that story. Not as if the US government hasn't been caught in thousands of other lies I mean. Why shouldn't that be one of them, especially since we can't replicate now what the Americans claim to have done in the late 60s and early 70s without a hitch? And we can't. You may think we can, but you would be wrong. That's why we're not leaving near earth orbit. It is not because we don't want to. It is because we can't. And if you feel like arguing, they can prove me wrong any time they want. It is all up to them. But I've been waiting since the 70s after having been brought up believing that the USA had mastered manned space flight, which is what they claimed and are still claiming. And I waited and waited until I gave it up when I realized that someone had lied to me in some way here. If we could go we would obviously have long ago, so evidently we can't. This big lie, if that's what it is, is about to get some very gullible and naive optimists killed in space.
@@politicallycorrectredskin796 You making the claim that it's not possible doesn't make it fact. You claiming they have been trying and failing is also not based on any facts, unless you care to show the crafts that were built to send humans into space. Which ones are they again? Electronics are far different and far more sensitive to the radiation. Thus, they needed to develop different crafts. Because there was not a plan to send people back, until recently. So yes, they need to rework the science and engineering.
Why would they use 50 year old tech?
@@@bomblade15 Stop putting words in my mouth please. Also, read about space radiation before forming ignorant opinions.
I think my favourite thing about Crash Course, any of them really, is how excited the hosts are about the subject material. Hank is giddy about biochemistry, John absolutely adores historical narratives, the kind of enthusiasm and genuine passion is really what makes these videos truly great learning tools. I've been teaching my baby sister about the planets and the solar system, and sometimes the same excited smile she has, I catch on Phil...keep it up man, we love you!
***** That kind of genuine enthusiasm for knowledge is contagious. This is probably my favorite thing about this channel too :)
-Nicole
Loving his passion.
Wonder what'd he called his kids: Aurora and Celeste?
I was just thinking that! By the end of the videos I'm always excited to learn more :)
+CrashCourse If given the task of managing the terraformation,which planet would you terraform?Mars or Venus.
We don't have the technology yet to terraform Venus while Mars is a popular candidate that is actually hard to terraform.
yeah unlike school usually...
His enthusiasm is infectious.
Just like flesh eating bacteria. This doofus makes me want to become an accountant.
USA Citizen *🚨Opinion Alert🚨*
In my humble opinion, this is the best educational astronomy show on UA-cam. Thanks to Phil and everyone else involved for making it happen!
I agree! :)
Man I love this guy.
You can tell how much he loves talking about this stuff.
Can i just say that your intro has the most perfect timing. It has just few seconds so it is worthless to move to speed it up or jump over it but still it is a nice introduction to the series. Brilliant job!
“Mars was a dreary, uninhabitable wasteland, much like Utah. However, unlike Utah, it was eventually made livable.”
I've liked this host from the first episode, and he continues to grow on me! Keep it up CrashCourse. Thanks Phil!
AAAAAAAAAAAAAAAAAAAAAH I LOVE THIS SHOW!
Mauro De Simone I thought I knew relatively a lot about space and astronomy and yet this series keeps teaching me new stuff. Well, except this episode. I obsess over Mars too much to not know all of this stuff.
its amazing to be alive now to know that distant heavenly bodies are just a few decades from having humans on it. I mean these are objects in the sky that humans even just a hundred years ago would never think of ever reaching.
Deathcap Rabadon Sometimes I like to explain the state of the world to myself as if I were explaining it to someone from the past. I would imagine it would be mind-blowing.
SpazzyMcGee1337 It absolutely is. Just a few years back, the endless information highway of the internet was a thing of science fiction. A few decades further back and home-computing wasn't even conceivable. Go back about half a century and the thought of man stepping it's foot on a celestial body that is not earth, was something that only happened in books written by Jules Verne a while ago. And so on and on. The progress humanity made just in the last 200 years is nothing short of amazing. It took us millions of years to leave trees and forests behind us. It took us a couple of ten thousand years to basically settle this entire planet. A few more thousand years and we switched from being universally foragers and scroungers to a people building cities and growing their own food. Shortly after, we discovered how to "conserve" knowledge by writing and ever since then, shit just got ever more real. Think of it: There's not even a single human's lifetime between mankind doing their first powered flight and setting it's foot on the moon... Mind-blowing is the only way to describe that.
MadnerKami It all builds on itself. The most powerful force in the universe is compound interest. :P
SpazzyMcGee1337
And that's the beauty of it. The more we know, the faster we learn new stuff.
MadnerKami
That's actually not true. The exponential increase of knowlegd in the the past since enlightenment stems indirectly from an increasing world population and increasing living standards and therefore increasing number of scientist able to live and work solely for creation of new knowledge, not from the existing knowledge. Increasing world population and living standards of course has it's limits and is tightly bound to resource availability (which is also limited).
Increasing knowledge just increases the existing boundaries and therefore lays the foundation to further increase knowledge. It's a prerequisite but not a driver.
Just imagine from tomorrow on, you would reduce the number of Scientists to 1/10. The result is, that knowledge increase would significantly drop, despite existing knowledge worldwide wouldn't change at all.
BTW, the more you know, the more difficult it gets to increase the knowledge as you need more sophisticated technology (LHC is probably the best example).
A pretty good example is pharmaceutical industry, where R&D costs to create new drugs explode and output drops, as the conventional method reaches its technological boundaries, despite out knowledge exploding in this area.
I cannot hear "Tharsis Bulge" without thinking its Hank Green's stripper name. Thanks , SciShow xD
Vectored Thrust idiot.
*****
Did the appetite for brain increase significantly ?
*****
Does "Kuru" mean anything to you ?
Cannibalism is pretty unhealthy. The higher the evolutionary distance between you and what you eat, the higher the barrier for potential diseases to transgress.
So it's a lot safer to eat birds, instead or mammals, or mammals instead of humans (assuming you are a member of the genus homo).
*****
Does this mean your appetite for human brain DID increase since having died ?
*****
You can trust me, i am the Earth federations president.
Mars is populated entirely by robots!
FawkesMD Good Point Fakwes
yeah im wondering how many robots are on there now
+Jerry Read 2 operating on the surface, 5 operating in orbit.
Here is a complete list:
en.wikipedia.org/wiki/List_of_missions_to_Mars
Joe Seph okay then thanks.
Like the robot planet in Futurama.
I still love the idea that Mars is the only planet we know off that is inhabited solely by robots :)
+Rick Veenstra What about Venus?
+teubert2 Doesn't have working robots as far as I know
Rick Veenstra No, but we have visited the planet with robots.
@@teubert2 no just with a probe, but it didn't last for long: Venus enormous atmosphere pressure crashed it after a few minutes after landing
I love CrashCourse.
Can't wait for Jupiter and Saturn
FluffyHellHound Hope there's a whole section for Jupiter's moons
Hey, there's a planet between Mars and Jupiter!
Djorgal wat
Djorgal dwarf planets*
***** We just might have a present for you, then ;)
-Nicole
I say this every time but I am LOVING this series! I was super excited about it and it has not disappointed!
I seriously love this guy!
This gets me so excited for a time I will probably never live to see, it's maddening! This shows keeps on being amazing.
"There will be life on mars , and it will be us" , got goosebumps :p
My kids and I are doing Space Week this week and I found a great writing prompt/graphic organizer that asks the question, "If you were asked to join the first team of Mars explorers, would you go? Write a letter to NASA explaining your choice and give 3 reasons why or why not."
They are 7 and 10, both with special needs, and they have a general understanding of the solar system but we hadn't gone very far in depth on any of the specific planets. So we watched this video today (their first exposure to Crash Course) and while I know a fair bit of the vocabulary was beyond them, they loved the graphics and were able to repeat back to me a lot more than I expected them to retain. I showed them a few National Geographic videos about the Mars Rovers afterwards and they were both like, "Can we go back to the other guy?"
So thanks, Phil and the team! The timing on this video was perfect and I can't wait to see the rest of the series.
An entire new world to explore...
And destroy
daniel117100 Then Re-explore
+daniel117100. You must be fun at parties...
That's so true. The second the USA gets there, they're probably use it as a testing ground for bombs
daniel117100 There is nothing there to destroy.
I love Hank and John, but Phil is doing an AMAZING job with this series. Definitely my favorite series so far! Keep up the good work! DFTBA! :D
I would have done so much better in school if my teachers were as enthusiastic and interesting as this guy. Great channel, great videos. Love it.
Love that you are so enthusiastic about the subject of space, a great video in a great series.
Mars didn't invade Earth.
EARTH INVADED MARS!
OMG I NEVER THOUGHT OF THAT
Not yet
I have seen other astronomy videos on yt but no one beats Phil Plate when it comes to explaining complicated and fascinating facts with such ease and enthusiasm.
"There's sand there too"
Vader: target that red planet!!
It's coarse and irritating and it gets everywhere!!! OL J R :)
Phil killin' it once again.
I bought a telescope as a result of watching these videos! I never want to stop watching this series.
You are the absolute best Phil!
Astronomers called it Saturn cause it had a nice ring to it! :D
Yeah, but you can pretty much only see Saturn's rings with a common telescope on Earth, you will want a space probe or something if you want to see the other planets' rings. I have tried pointing my telescope at Jupiter, and I could only see the planet itself and its four biggest moons.
I can't get enough of this series. Thank you so much for making these videos.
KytesofKaos
Thanks for stooping doing this Literature episodes ... i really didn't like that waste of resources.
Someone used "literally" correctly. Stop the presses!
I literally slightly grinned reading this.
jocularspore Did you do that literally or literally?
SangoProductions21 I literally stopped the presses. Now I'm in serious trouble with the printing company. :(
Headrock Good! Now those corrupt news paper printers will never work again! mwahahahaha
Astronomy is just so intriguing! I love how you can learn so much about our Cosmos and how you can go beyond the limits of Earth! Rock on CrashCourse , I hope you continue to help people decades from now!
HOLY SHEET. KERBALS! :D
Also, @ CrashCourse :
Does Phil play Kerbal Space Program ??
Sky Breeze Possibly, but those sweet 3D printed Kerbals are on loan from Michael Aranda. Most of the stuff on this set, in fact, was brought in by different staff members.
Sky Breeze CrashCourse Kerbals, Wall-E and SpaceX all in the same episode... you know how to make me happy. }:D
900bot Lucky at least you get to play it. Been waiting over a year now for some sort of deep sale.
Potato shape mad moons hmm that's what it says if u drag ksp out of the folder and the only things u can build with is an asteroid and the description is a potato shaped object that orbits the sun
+Thomas Guerrini
⅜g
This is my new favorite playlist. Keep up the good work.
if u were a geologist, i bet ur nickname would be "tectonic plait"
I dig your enthusiasm and content. Keep these videos coming.
"Mars is red. That's a profound statement, and one that's not really all that obvious."
Mightty Roblox Phil 2016
Phil is awesome.
Thank you very much, Phil Plait and the others at _CrashCourse_ Astronomy, for making this wonderful video about Mars! I really do hope that we manage to send humans to Mars and that we build a civilisation on the planet, and I do think it is going to happen in my life time. I am only 14 so far, so they have plenty of time!
So Mars has a really thin atmosphere, but it has an atmosphere, that is mostly comprised of carbon dioxide (COˇ2). How much for that atmosphere is oxygen? I think I have known the precentedge before but I have forgotten it.
EDIT: Oh, also, I love those ghosts on Mars!
Here's hoping! SpaceX are aiming for 2025, though others think it's more likely going to be 2040. Still a good sign, though (as long as they get the funding)
Thanks for this series. I can't wait for future episodes.
Watching this is 2019 is like: Yes, actually there is flowing water on the surface of mars.
this time the intro actually matched the subject! Phill said that Mars may be a destination and then they ran the "Giant leap for mankind"
Couldn't we, like, build underground cities or something on Mars?
Protection from the UV rays,
No worries about meteors.
And protection from the harsh climate.
Or is an above ground colony the better solution as our technology improves to protect us from the harsh environment?
NovemberCrystal In the long run, it would most definitely be better to build underground or in lava tubes as mentioned in the video.
But i think sending a crew of 8 people, and decide to dig or cover up a big underground base for them to inhabit, instead of just using a few prefabricated living/science modules is the more feasible short term solution.
TheYeIIowDucK ?
TheYeIIowDucK Bitch, i'm sugoi. I bet you're not even a cute x-dressing shota, getting your classmates all hot and bothered! >:^)
TheYeIIowDucK
Bish, I bet you don't even get stalked on the way home!
LEAVE ME ALONE.
IchBinEin The problem is that sending people to mars without a way back is hard to sell to the general population. Especially since the first "wave" would basically be a suicide squad that does some research, but mainly prepared the habitat for following missions. With that much radiation exposure they won't last long.
You probably wouldn't have a problem to find highly qualified volunteers, but try to sell that to the media.
I love that F9 at 8:52! Go SpaceX! This series is amazing and should be standard curriculum around the world.
CrashCourse Astronomy is bae
Anthony Batista im pretty sure that's danish for poop, this show is not poop!
Alex Sitaras I'm sure that's american slang for boyfriend/girlfriend, this show is my lover!
Alex Sitaras Possible etymology: Miranda Sings used the word, bae, to describe her boyfriend, as in "baefriend", using her Miranda Sings voice. She vlogged about discovering it was Danish for poop, but thought it was funny anyway and kept using it.
As far as saying this show is his lover, well, I'll just let that hang awkwardly over there.
***** Why so? Where do you think words come from?
***** me too
one of the best video in the series. Thank you!
MARS HAS LIQUID WATER NOW!
Time for this video to get an update.
thanks for putting in facts you don't hear on the typical space type documentary videos, I actually learned half a dozen things from this
well now that we have found liquid water on mars, i feel there should be a part two of this episode. :3
Yes! Mars episode! I was psyched going in and psyched going out!
you forgot to mention the demons
firemaiden34 oh ahahaha
We got a Doom player here guys XD
Lol yes!
The UAC will be setting up operations there in a few years.
Wow, I never realized that there was ice on Mars! That is AWESOME!!!!!!!!!
ya'll mars geeks should really read The Martian
its 10/10 book, realistic sci-fi about what would it be to get stuck on Mars for a while
Alumx To the MAV with you!
That's ok. I saw the movie
Ahh, Bad Astronomy. The book I read at just the right time in my life, which helped contribute to making me a smidge smarter and much less easy to fool. I appreciate the heck out of what Phil does and this presentation on Mars is especially welcome since I'm working on a story set there. Thank you!
I wonder if they're gonna do a special episode on Pluto after the New Horizons spacecraft flies by in July.
Cullyn Knight Cant wait for it too budy :)
Cullyn Knight I hope so. NH could potentially even reveal some info that completely changes our current understanding of Pluto.
Cullyn Knight pluto is not a planet so it will not get its own episode they might do a episode on all the dwarf planets or the kuiper belt or something
Jouzou87 And what could that be ?
Pluto is a rather irrelevant Kuiper belt object. NH will certainly increase our knowledge of it (and Charon) manifold, no question. But completely changing ?
john smitty what's your definetion of "planet"?
Does anyone else see those pictures of Mar's surface as amazingly cool? That's the surface of another freaking planet!
if we were to colonise Mars, would we have to make new timezones for mars? How many days or even weeks is Mars ahead or behind us in time.....same question kinda goes to the Moon as well
Well we can use Earth's time
^We could, but by what time it is, and how the sky looks, we would have major jet lag.
James Madison So true. But would you care if Earth is going to be hit by a meteoroid and the only place you can go is Mars. You won't care would you
L HK Not then, even though people would be grumpy and cranky for months.
James Madison People hate changes. But "they will get use to it"
Love this series:)
Tharsis Buldge.... Wait a second, that's Hanks stripper name!
Would have loved to hear more about the magnetosphere and how it would affect possible manned missions there.
You BETTER cover that sort of stuff when we get to Jupiter and Saturn with their ice moons.
Mars doesn't have a magnetosphere, which is why its atmosphere has been eroded by solar winds to the point it's only 0.01% of Earth's atmospheric pressure on the surface. Thus no surface protection from radiation, particularly galactic cosmic radiation. Thankfully that can be blocked be a meter or two of surface soil/regolith or rock, hence his discussion of using lava tubes for base locations, as has been discussed for use on the Moon. Later! OL J R :)
Anyone get unreasonably annoyed at the mixing of Greek and Roman names? Mar is Roman, but Deimos and Phobos are Greek. Deimos should technically be Metus or Formido, and Phobos should be Timor, Timorus, or Pavor.
There's also caves in Virginia where a column is called Pluto's (Roman) and instead of Proserpina, they called something else Persephone (Greek).
Thank you for explaining everything in the metric system :)
inb4 we find out life on Mars sent some of its life to Earth during the time the planet was dying and life on Earth originated from Mars.
Phil is ammmmaaaazzzziiinnnnnggg
with so much rus is it possible to extract the oxygen from the iron oxide?
Diana Peña Yes it is. It's called reduction, and is an extremely common part of refining iron ore by smelting.
Nillie No, the natives forbid it
ashley beaumont
good question, without copy/pasting i think this page can give you a good idea of how hard that is.
chemistry.stackexchange.com/questions/5035/chemical-methods-to-extract-oxygen-from-rust
unappropadope They haven't even invented the wheel.
sheepwshotguns Any good ways to produce oxygen gas from CO2 and energy?
As a Mars enthusiast watching this video I've learned nothing except that one of Mars' moons will crash into it cosmically soon. I figured that I probably wouldn't learn a lot but I thought I'd watch it anyway. I may not have the credibility but the information was very accurate. That being said, I have no idea how you can make a video about the wonders of Mars WITHOUT even mentioning Hellas Planitia.
7 dislikes? why? who would dislike this? are there people that hate learning things?
Max Fux
Ever been to a public school in than past 40 years ?
Frank Schneider Point taken.
Max Fux
Actually this was the ONE time, where i didn't want to be right about something. :-(
And what's even worse .... you don't even know from which country i am, and I don't know from which country you are ... and nonetheless we do agree about the situation. THAT's pretty depressing.
Yes duh
Great yt miniseries. Thank you pbs.
Thumbs up if you see Jebediah Kerman chilling in the back!
Love this channel, and the intro music.
Who is here watching these videos because your in school and your teacher told you to watch them and you pretty much have nothing better to do. XD
+zay Deleon I'm watching this at home for my own entertainment xD
Master Mudkip lol
My favorite episode so far
2:30 Hey, it's stripper Hank Green!
1. (still) Crash Course World History
2. (new) Crash Course Astronomy..
This channel is aaaawwweeesssssooommmeee :D :D
Wait, if we use the lava chambers as a base, and we get into them using the collapsed skylights, then couldn't they collapse again?
They could probably be supported with pillars or something.
I expect that support structures would be built when creating a base.
Hey Phil et al., Thanks for another great episode.
Please review your statement at 1:00. Saying that Mars is half the size of Earth is like saying that a tennis ball is half the size of a bowling ball.
Is it proper to base "size" comparisons of nearly spherical objects on the ratio of their radii?
didn't they find water last week?
check the date of the video
Didnt you see when this video went up
I wasn't implying anything about the video I was just asking a question..
LIFE ON MARS
AMAZING
When I knew you were an astronomer I just thought oh a normal astronomer who just does research but on Monday on SBS one I saw the documents stripping the cosmos : Mars from the BBC and I saw you and im like to my dad OMG LOOK ITS THAT GUY FROM CRASH COURSE but of course my dad had no clue what I meant so that was awkward ..... But yeah ps I live in Sydney Australia
Back in elementary there was this series called lets explore (it's real look it up) and the books were about the planets of the solar system. There was let's explore saturn, let's explore mars and etc. There was also let's explore Uranus, you can see how this lead to some conflict.
Shouldn't we be able to find fossils of plant life on mars in the ancient flood beds?
Remember that land plants didn't arise until around 700 million years ago during the Precambrian... that was about 3.8 billion years after Earth's formation, LONG after Mars had dried out and frozen. IOW, MOST of the history of life on Earth has been microscopic life forms or very simple life like blue-green algae, stromatolites, etc which wouldn't leave anything but microfossils. It wasn't until the "Cambrian explosion" that higher forms of multicellular complex lifeforms really started to proliferate, about 500 million years ago or so.
Mars would have had "Earth-like" conditions for only maybe a half-billion to a billion years after it formed, so if life arose in that time period (which it's thought life did arise during that time period on Earth) it would have been only the simplest of microorganisms, certainly not more complex forms of life like plants or even sponges or even blue-green algae in all likelihood. Later! OL J R :)
Excellent work! Bravo.
Isn't your blood red because of Iron?
Your profile pic goes EXTREMELY well with that comment.
Funny, I was not trying to be trolly that time :)
Ryan Davidson You're the troll who cried wolf.
Ryan Davidson Yes, oxygenated iron makes your blood red.
Ryan Davidson in a way yea. oxygenated blood is a rich and brighter red from what i can remember then becomes a deep darker shade of red deoxygenated :D
Great educational clip. Love the reference to George Pal's War of the Worlds.
Fourth! from the sun...
Thanks for this great video.
"We aren't terribly tolerant of radiation and vacuum."
Very short and to the point!
I cant wait till we land the first humans on Jupiter and Saturn
That's not possible, Jupiter and Saturn are gas giants.
NASCAR2011ROX The moons of the gas giants are really interesting places to explore though, and they are solid.
BosonCollider The moons of those planets aren't Jupiter and Saturn though. What's your point again?
NASCAR2011ROX it was a joke guys xD
JoshDoesEverything lol. I can't wait until we land on the Sun. But it has to be the night-side of the Sun, the day-side is too hot.
Another excellent video! Thanks for these!
Whos watchinq this after liquid water has been fohnd on mars?
There is none
I love this series very
I will *gasps* never *gasps* miss a *gasp* episode of this, *gasp* I was *gasp* at work *gasp* then I *gasp* ran back. *gasp* I also *gasp* don't have *gasp* a smartphone.
Joey Fogarty
you missed the : gasp .. heart attack .. gasp part
oh .... ok .. i understand way ... my condolences
Rlly
So addicted to this series. : )
Spoiler alert: We discovered actual liqid water in October 2015
Wow, Phil is the man!
there is liquid water on Mars !!!!!!!!!
+obsessedandstuff this video was made on Apr 30, 2015, and we just found water on mars about two month ago. Also, I think it's ice, not liquid water.
+obsessedandstuff surprise, surprise
+Nick Denryter it's liquid water. not standing liquid water like we see here on earth, but it's water that flows through deposits of salts. These salts keep the water from freezing, allowing the water to flow (through the salts) over the course of time.
+Ryan Chapman But of course, it must be underground. Because if it were on the surface, thanks to the average temperature on mars being -81, any water would freeze.
+Nick Denryter no its on the surface... How would we know if it was under surface
It’s craz to think about the billions of complex and crazy planets in the universe with not a single living soul to appreciate them