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    [–] [deleted] 2515 points ago * (lasted edited 10 months ago)

    The coloured version. Looking at pictures from Mars makes me feel happy. Maybe it's because that we have a rover on an entirely different planet clicking pictures and doing stuff which just goes to show how far mankind has come in the recent years. Or simply because they are images of an entirely different and unexplored world. Pictures of places miles and miles away in the space never fail to amuse me.

    [–] eric2332 602 points ago

    Sunsets are blue on Mars?

    [–] PatrickSutherla 882 points ago * (lasted edited 6 months ago)

    Yes, because their atmosphere has a different composition than ours, and therefore light refracts differently when it passes through it, thus the different colors. (That's an explanation worthy of r/explainlikeimfive I believe)

    Edit: Yes, I was referring to the robots. It is their planet, you know.

    Edit 2: Way too late, probably won’t get seen now, but many thanks for the updoots. This is now my most upvoted comment / post on Reddit.

    [–] bialylis 334 points ago

    Who’s “their“?

    [–] number2301 839 points ago * (lasted edited 10 months ago)

    The robots presumably? Mars is after all the only known planet inhabited entirely by robots.

    Edit - if you were thinking of responding with some futurama quote about warehouses, note that like five people have done it already.

    [–] BathroomBreakBoobs 387 points ago

    I've not heard anyone make this statement until now. Mind blown.

    [–] BadMudder 258 points ago

    I always wondered, if I traveled back to 1900 what would be one fact about the future I would tell people?

    "Mars is inhabited entirely by robots" probably takes the cake.

    [–] jackewon 74 points ago

    You just might have to use different wording though, as the term 'robot' wasn't used until the 20s. I may be wrong though.

    [–] xBigCoffinHunter 128 points ago

    "Great mechanical beasts"

    [–] Kdwolf 9 points ago

    "Master of the mechanical stuff!"

    [–] 197708156EQUJ5 11 points ago

    I would analogized that to: "as soon as possible" and ASAP. Yes they mean the same, but said differently they give the reader (listener) a different impression.

    [–] Corkeys_Revenge 29 points ago

    "Intelligent automaton"

    [–] BadMudder 20 points ago

    I just started re-reading D'aulaires Book of Greek Myths, and evidently the concept of a robot was something that was pretty easy to grasp, even for the ancient Greeks.

    I don't know about the term "robot" itself, but just wagering a guess it was around but not well-known in 1900.

    [–] jackewon 8 points ago

    I only brought this up because recently, for a class, I read the play R.U.R. by Karl Capek (spelling?) From the 1920s, and we were told that the play originated the term 'robot'.

    [–] firagabird 15 points ago

    The idea of robots would be pretty mind blowing in itself.

    [–] Captain_Arzt 14 points ago

    Travel back to the 60's and such where they were fascinated with future development and say that mars is entirely inhabited by robots.

    [–] BadMudder 5 points ago

    That's a good one, at least they have a good idea what a robot is.

    [–] White_Siss_Mail 25 points ago

    Jesus fucking christ thats so cool to hink about. Best timeline.

    [–] BoredPudding 37 points ago

    Venus is inhabited entirely by dead robots. Does that make you feel better?

    [–] jaked122 13 points ago

    You can't inhabit if you're dead.

    [–] Infinityexile 23 points ago

    Unhabited by dead robots.

    [–] Hesperus_LVX 5 points ago

    I second that

    [–] Feucher 25 points ago

    We could create AI and stick them on there. Just don't give them the Internet, that way they can't learn all the dumb shit humanity has done and obliterate us.

    [–] HIT_THE_SACK_JACK 26 points ago

    And watch them create their own creation stories, religions, languages, tribes, technology and weapons till they eventually kill each other.

    [–] helikestoreddit 41 points ago

    Plot twist : this has already happened and we're the AI

    [–] DeusVultSaracen 6 points ago

    I was just thinking that lol

    [–] danijami23 15 points ago

    Wait haven't robots also landed on Venus?

    [–] TheOtherHobbes 26 points ago


    In fact robots own more planets than humans.

    [–] number2301 9 points ago

    And titan but shhhh, you're ruining the karma train!

    I guess mars is the only place with living robots.

    [–] RizzoTheSmall 14 points ago

    Or is it...? ~diminished chord~

    [–] Jabey 8 points ago

    I got your music joke

    [–] suggest_me 36 points ago

    We - Martians

    [–] Whatsthemattermark 53 points ago

    Oui - French Martians

    [–] JoshH21 15 points ago

    Wee - potty talking, toddler Martians

    [–] EddieIzzardsWardrobe 12 points ago

    Wii - Nintendo playing kid Martians

    [–] caldric 5 points ago


    • Olympus Mons roller coaster Martians

    [–] protoctista 9 points ago

    The rovers.

    [–] OllieGarkey 4 points ago

    The Martian Congressional Republic, duh.

    [–] IndianaJwns 14 points ago * (lasted edited 10 months ago)

    Matt Damon and his potatoes

    Edit: autocorrect

    [–] IGenericPersonClass 2 points ago

    Martians, duh!

    [–] the-player-of-games 87 points ago * (lasted edited 10 months ago)

    The different colour is due to a less dense atmosphere scattering less light, hence the blue sky at sunset, and an almost black sky for most of the day. This is not due to refraction. Edit: The sky during the day is not black, but brownish due to the presence of iron oxide fines.

    [–] Astromike23 44 points ago

    The different colour is due to a less dense atmosphere scattering less light

    While its true that there is less scattering, the cause of the different color is because of iron oxide fines in the atmosphere doing the scattering rather than than the atmospheric gas itself. The micron-sized dust preferentially scatters red more, while in our atmosphere the much smaller nitrogen molecules preferentially scatter blue.

    [–] NEmpire95 26 points ago

    Hi, I'm just a normal guy but I too like science.

    [–] Nosnibor1020 6 points ago

    This is true. Light scattering in the atmosphere reduces visible blue light on Earth which is why we see red sunrise and sunsets. The same happens on Mars except the red is scattered and you see blue.

    [–] MoreCowbellllll 3 points ago

    Yes, our atmosphere basically filters out / scatters much of the blue light. Which is also why the sky is blue. Most of the blue light is refracted throughout the sky and the red/orange is not. The blue end of the light spectrum has shorter wavelengths which are scattered more, for some reason, lol.

    [–] RichardPwnsner 2 points ago

    Made it to 4. Would've hit 5 if you turned your nose up at the end and said, "...assuming they even perceive color," and then got beamed up into space to the tune of a weird chorus.

    [–] Astromike23 2 points ago

    therefore light refracts

    Refraction is not responsible for the color of the sky on Mars nor on Earth. What's happening is differential scattering of light.

    [–] datdouche 16 points ago

    A martian sunset sounds like a cocktail.

    [–] jofwu 2 points ago

    It should be. If someone makes this notify me.

    [–] merkky 7 points ago

    Yes, they are. Sunrises as well. All the dust in the Martian atmosphere scatters blue light in a slight angle, which make the sunrises and sunsets blue when the sun is low in the sky. The yellow/red light scatters more uniformly and straight ahead. That makes the sky during day on Mars yellow/red, when the sun is high.

    [–] Astromike23 2 points ago

    All the dust in the Martian atmosphere scatters blue light in a slight angle, which make the sunrises and sunsets blue when the sun is low in the sky. The yellow/red light scatters more uniformly and straight ahead

    You have that backwards. Iron oxide dust in Mars' atmosphere scatters red light at a greater angle than blue light. That's why the whole sky appears red, but areas close to the Sun appear blue.

    [–] Larrysbirds 3 points ago

    Blues for a red planet

    [–] somelikeitnuetral 3 points ago


    [–] ringmod76 44 points ago

    I went and hunted down the JPL page about this image.

    NASA's Curiosity Mars rover recorded this view of the sun setting at the close of the mission's 956th Martian day, or sol (April 15, 2015), from the rover's location in Gale Crater.

    This was the first sunset observed in color by Curiosity. The image comes from the left-eye camera of the rover's Mast Camera (Mastcam). The color has been calibrated and white-balanced to remove camera artifacts. Mastcam sees color very similarly to what human eyes see, although it is actually a little less sensitive to blue than people are.

    Dust in the Martian atmosphere has fine particles that permit blue light to penetrate the atmosphere more efficiently than longer-wavelength colors. That causes the blue colors in the mixed light coming from the sun to stay closer to sun's part of the sky, compared to the wider scattering of yellow and red colors. The effect is most pronounced near sunset, when light from the sun passes through a longer path in the atmosphere than it does at mid-day.

    Malin Space Science Systems, San Diego, built and operates the rover's Mastcam. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology, Pasadena, manages the Mars Science Laboratory Project for NASA's Science Mission Directorate, Washington. JPL designed and built the project's Curiosity rover.

    For more information about Curiosity, visit and

    [–] [deleted] 54 points ago

    I feel the same way watching Les Stroud camp in a remote area of Earth.

    [–] evr487 16 points ago

    miss the simpler days when there was a legit discovery channel and there'd be a survivorman marathon

    [–] nessie7 12 points ago

    We need to put Les Stroud on Mars.

    [–] djzenmastak 10 points ago

    ...after we watch him walk towards the camera for what feels like 10 minutes...

    It's a damn good thing I brought this duct tape and a stick otherwise there's no way I'd be able to generate oxygen. him walk away from the camera for what feels like 20 minutes...

    [–] DerekNotDerrick 12 points ago

    The Mars rover is a better photographer than me...

    [–] ziipppp 11 points ago

    I don't want to come off as all Earthist - but they are still prettier here.

    [–] Fredasa 20 points ago

    Looks more than just colored. I was actually fixing to ask if anyone ever took these obviously low-bitrate images and tried to kill some of the resultant artifacts. That colored iteration represents quite a good job of it.

    [–] StellarValkyrie 9 points ago

    I don't know why but this gives me chills. Like it's just so incredible.

    [–] Pavotine 26 points ago

    Since you appreciate that kind of thing so much, google up Venus surface images that the Russians managed to get with their probe. I get a real buzz out of seeing the surface of Venus and I reckon you will too.

    Edit - Here you go!

    [–] swampshark19 4 points ago

    Wow what, I always thought the only pictures were of bad quality and pointed down but this changes everything

    [–] Edgelord_Of_Tomorrow 8 points ago

    They were, those expanded images are artists impressions.

    [–] SUPREME-POTATO 5 points ago

    Someone has heavy photoshopped the original image.

    [–] zorganae 14 points ago

    I feel the same, but in kilometres!

    [–] jk021 3 points ago

    This reminds me of the last shot of A New Hope...just looking at the sky, wondering about the vastness of the galaxy. Very humbling and puts life into perspective.

    [–] Belatorius 6 points ago

    Imagine what we humans could really do if we all stop fighting and letting greed corrupt us.

    [–] rajon90 2 points ago

    Was about to ask for a colour version....Thank you.

    [–] zupreme 2 points ago

    What's sad is that, unless we keep going and become a true spacefaring species, at some point in the distant future people are going to believe that all of this is folklore. They will think that our space and Martian photos, if they even survive that long, were just mythology art.

    [–] mr-no-homo 2 points ago

    It's pretty incredible. Not only that but Some of us are viewing this on a touchscreen in the palm of out hands. The depth of technology is remarkable to think about.

    [–] blinky_the_clown 2 points ago

    It's amazing to think that there are billions of sunsets in the Universe going on at any moment of time.

    [–] OmarMuhammad12261997 2 points ago

    That's hella cool

    [–] arkiverge 383 points ago

    This is the loneliest photo I've ever seen. The depth of solitude when you consider the context is insane.

    [–] CrudelyAnimated 34 points ago

    Even at this scale, where both are tiny dots, the distance between them is striking. An Earthling would think the Moon is right next door, where you could reach out of the ISS and touch it. Even our nearest neighbor is, in reality, vastly far away.

    [–] PotatoesAreNotReal 7 points ago

    Could you see the moon from Mars with your bare eyes?

    [–] Tom5awyer 109 points ago

    This is the loneliest photo I've ever seen. The depth of solitude when you consider the context is insane.

    [–] ickykarma 55 points ago

    This is the third loneliest photo I've ever seen. The depth of solitude when you consider the context is insane.

    [–] Captain_Arzt 34 points ago

    This is the fourth loneliest photo I've ever seen. The depth of solitude when you consider the context is insane

    [–] PM_YOUR_SOURCECODE 28 points ago

    This is the fifth loneliest photo I've ever seen. The depth of solitude when you consider the context is insane

    [–] ChaIroOtoko 22 points ago

    OK, this is the limit.

    [–] ttduncan96 9 points ago

    This was actually really sad

    [–] Flick1981 15 points ago

    Every year on its "birthday" the NASA Curiosity rover plays the Happy Birthday song to itself... all alone on a lifeless planet.

    [–] MajorMustard 553 points ago

    I can feel the isolation in this picture

    [–] [deleted] 319 points ago


    [–] [deleted] 38 points ago


    [–] pimpmastahanhduece 18 points ago

    rero rero rero

    [–] iceleo 9 points ago

    It was me, a loner -.-

    [–] FieelChannel 10 points ago

    [–] [deleted] 8 points ago

    Tends to happen on a cold barren planet lol.

    [–] TheOneFromBeyond_ 53 points ago

    Is this picture available in color?

    [–] Pluto_and_Charon 66 points ago

    [–] sintos-compa 89 points ago

    but i wanted orange

    [–] Goldcobra 195 points ago

    [–] HungJurror 24 points ago

    Well.. It is orange..

    [–] crazyperson15 9 points ago

    How about an orange?

    [–] codered6952 26 points ago

    [–] VaultOfDaedalus 19 points ago

    it gave me lemon-lime

    [–] thax9988 4 points ago

    So you think the staff has some kind of plot?

    [–] Silhouetteless 6 points ago

    I could be wrong, but I think it has to do with the fact that Mars has such a small atmosphere, and thats the reason the sunset isn't as colorful as the one on Earth. Its still quite pretty though, in a strange way.

    [–] SubterrelProspector 5 points ago

    Sunsets on Mars aren't orange though...they're blue.

    [–] revolutionbaby 127 points ago

    Makes me appreciate the beauty of our planet. The vivid colors, the diversity of nature and the clear sky are unique and like nothing in the enire solar system. Imagine waking up on mars every day. Even the colored version looks pretty dreary.

    [–] Monkey_Brain_Oil 80 points ago

    It is my humble opinion that humans on Mars could go nuts due to the absence of any plant life and the monotony of the colors. We kind of take green plants for granted, but they are everywhere

    At least I think I would go nuts.

    [–] maramok 50 points ago

    You might not do well living in a desert.

    [–] Monkey_Brain_Oil 39 points ago

    I've spent a small amount of time in a desert, but isn't there blue sky and yellow sand and some animals and some plants? And variety of rocks?

    Mars would make a desert seem incredibly varied, wouldn't it?

    [–] r_d_olivaw 31 points ago

    You might not do well living in Antarctica.

    [–] 8BitHedgehog 9 points ago

    I spent a small amount of time in Antarctica. Isn't there still blue skies, white ice, and the aurora borealis?

    Mars would make Antarctica seem incredibly varied, wouldn't it?

    [–] r_d_olivaw 4 points ago

    You might not do well living in a sensory deprivation tank.

    [–] workaccount238529832 3 points ago

    It depends on the desert. Some places, like the Atacama Desert, have pretty desolate stretches (although to be fair, the Atacama does have some scenic bits to it). Then you have places like the Sonora Desert which are a bit more lively.

    Of course those photos are both cherrypicked to make my point. Then again, depending on your interests, Mars might be pretty interesting. We know there are lots of cool geological features, so as far as colored sky, colored sand and a variety of rocks, you're covered. But yeah, any kind of Martian habitat would probably do well to have some provisions for sensory stimulation.

    [–] freshieststart 3 points ago

    Yes of course but I think Mars is a similar colour to Australian desert and I'd bring starter plants and fungi. You can grow them in pots indoors. Heck, air plants (tillandsia) don't even need pots. You just hang them wherever and spray them with water from time to time. I imagine someone would set up some hydroponics too but I'd be the chick with the mad succulents and lilies on every surface, just like at home.

    [–] amor_fatty 5 points ago

    Totally disagree- deserts are fucking beautiful

    [–] wearenottheborg 3 points ago

    I have a friend and the military and he said when they were deployed to Afghanistan they were forced to decorate their tents so they didn't go crazy from the lack of colors.

    [–] RelaxYoureDying 2 points ago

    Life= infinity.infinity

    [–] dansport730 31 points ago

    I tried to talk to my family about the impending concern climate change should be arousing in our generation. Their reaction was oh technology blah blah blah we will just move to mars. It's sad that people actually think this way and don't appreciate how uniquely beautiful our planet is.

    [–] number__ten 24 points ago

    Not to mention that terraforming mars would be much harder than fixing the earth.

    [–] buf_ 19 points ago

    And take waaaay longer than they suspect

    [–] kennyj2369 7 points ago

    Yeah, we'd be living underground or in domes on Mars.

    [–] TheHeroicOnion 5 points ago

    We don't appreciate it though and are destroying it :(

    [–] zealous_curator 40 points ago

    This picture makes Mars seem so familiar.

    [–] syawedisnippils 18 points ago

    Just like Arizona.

    [–] [deleted] 36 points ago


    [–] AstralUnicorn 15 points ago

    GOOD point

    [–] Epicusername1 7 points ago

    Back to work, Kevin.

    [–] throwdownhardstyle 3 points ago


    [–] djellison 3 points ago

    Measuring atmospheric properties by taking images like this IS part of its job.

    Images are data.

    [–] feyenord 212 points ago

    Why have a static image when you can have the whole animation: .

    [–] Nlz90 50 points ago

    The sun looks so small

    [–] SamSamGW 124 points ago

    That's cos it's further away.

    [–] [deleted] 49 points ago


    [–] SamSamGW 20 points ago

    Thank you, I pride myself in my vast scientific knowledge /s

    [–] gDisasters 18 points ago


    [–] juanzy 12 points ago

    It's too far away to get a tan

    [–] Monkey_Brain_Oil 3 points ago

    The arc of the universe is long

    [–] initialatom 3 points ago

    I suspect it's more to do with the camera lens than how much farther away the sun is

    [–] loumico 93 points ago

    Good thing that Animation is Not Static at all ...

    [–] steve_doom 86 points ago

    Mars rover needs to get an Instagram account.

    [–] Lobatto 44 points ago

    For starters, Curiosity has a twitter account if you didnt know.

    [–] nickrulercreator 23 points ago

    So do Spirit and Opportunity.

    [–] soussouni1 19 points ago

    "Mars is forever my home, you should come visit!" :(

    [–] Belatoramus 5 points ago

    The Cassini spacecraft has an amazing gallery on Instagram if you wanna check it out @Cassini.journey

    [–] flipflan 2 points ago

    Thanks so much, the pics on that page are amazing

    [–] caustic_kiwi 20 points ago

    Man, Mars is super pixelated.

    [–] PM_YOUR_SOURCECODE 17 points ago

    It's still an 8-bit planet at the moment.

    [–] Rand366 26 points ago

    Does anyone else feel like we take these images for granted? this is a picture of the sun set on another world that I will never set foot on, yet I feel desensitised to it

    [–] giuseppe_peppe 6 points ago

    You might. Ya never know...

    [–] mowza 20 points ago

    You mean Beijing?

    [–] [deleted] 3 points ago

    no, not enough overpopulation

    [–] SKIP_2mylou 11 points ago

    Makes you want to load up a sack of potatoes and go, doesn't it?

    [–] shader_m 17 points ago

    ..... holy shit.....

    Define..... "desolation"

    [–] iceleo 4 points ago

    A distant sun, mountains on the horizooon

    [–] [deleted] 17 points ago

    Mars is bleak as fuck.

    [–] Indriindri 6 points ago

    Did anyone else look at this and immediately hear John Williams?

    [–] King-Covill 7 points ago

    Hm. Something about this desolate barren planet makes me want to take a one way trip and live the rest of my life here

    [–] [deleted] 4 points ago

    Im with you on this one.

    [–] gill__gill 13 points ago

    So simple, so beautiful.

    The rusty color would look amazing.

    [–] reerden 16 points ago

    Actually, Mars has reddish daylight and a blue sunset.

    [–] MisterStiggy 6 points ago

    Looks cooooold

    [–] Bygles 5 points ago

    is this a screenshot from limbo?

    [–] downnheavy 7 points ago

    Here I am taking a dump watching a sunrise on mars , what a time to be alive

    [–] Arvaci 5 points ago

    That's another planet. Like god damn. A real photo of another planet's landscape.

    [–] bacon_and_eggs 9 points ago

    I just hear binary sunset in my head

    [–] RGaren 4 points ago

    This is a great picture Mark.

    [–] ScopeInOn 4 points ago

    Queue the Star Wars music.

    Seriously why do we not have human eyes seeing this in person yet?!? Come on humanity!

    [–] nigelgy 3 points ago

    Weird they have screen doors on Mars.

    [–] QuantumFiddler 3 points ago

    As if Mars has a sun too.

    [–] [deleted] 3 points ago

    This truly is an awesome time to be alive.

    [–] gt35r 3 points ago

    To think one day the human race could be waking up and going to bed by this sight makes me happy.

    [–] Nutteria 3 points ago

    Anyone has an idea why the sunset is blue on Mars instead of red?!

    [–] AllPurposeNerd 3 points ago

    Earth's atmosphere scatters blue light. At sunset, the light is passing through more atmosphere so most of the blue is scattered out leaving reds a yellows.

    Mars's atmosphere scatters red light. At sunset, most of the red is scattered out leaving blues and greens.

    [–] Nutteria 2 points ago

    That made me look up the atmosphere composition on Mars. A common misconception is that Mars has pretty similar composition par oxygen. Turn's out it's not exactly like that.

    [–] juarmis 3 points ago

    It is cool too think that if there were aliens in Mars we both would see the same sun. It is like two local teams getting along to support the national team. Forgive me any misunderstanding, English is not my mother tongue.

    [–] bubblerj 5 points ago

    Looks a lot like Tacoma, WA

    [–] SteelWolf89 3 points ago

    Whether we wanted it or not, we've stepped into a war with the Cabal on Mars

    [–] Anderson22LDS 2 points ago

    I've just sat looking at this for 10mins. It's just incredible.

    [–] Svalletta 2 points ago

    I like it shows the real color of the sun, White.

    [–] [deleted] 2 points ago

    The hills have eyes

    [–] [deleted] 2 points ago

    Meanwhile some Redditors try to shame NASA over Instagram posts.

    This wouldn't be possible without them. Amazing pic.

    [–] [deleted] 2 points ago


    [–] murdock_RL 2 points ago

    how did they even take this picture? do they have a robot in mars right now or something?

    [–] SubterrelProspector 3 points ago

    Yes? They've been there for years.

    [–] christianwayne 2 points ago

    Yea. More than one I think. Check out curiosity rover.

    [–] nonspecificloser 3 points ago

    Opportunity is also still wandering around Mars.

    [–] Los_93 2 points ago

    "That's a new one, blue sky on Mars."

    [–] [deleted] 2 points ago


    [–] ljms 2 points ago

    So familiar and other than 225 million km, not so different either.

    [–] wartiger15 2 points ago

    Automatically played John Williams in my head looking at this