Professionals have standards. Be polite. Be efficient. Have a plan to kill everyone you meet. --- 38 years old programmer from Dublin - TLDR posts (mostly in Hungarian), Firefly and David Bowie. And of course gifs of kitties.
so i feel the urge to add a bit of context here because i find the vague on-screen text deeply underwhelming.
this is not just “a picture”, it’s Pale Blue Dot, one of the most famous works of astrophotography ever made public. and it was not just “a dying spacecraft”, it was Voyager 1, a probe launched in 1977 to study the atmosphere and moons of Jupiter and Saturn, among other things. both Voyager probes carried on them a golden record meant as an introduction to humanity for any alien species that might discover them (if you saw Kane Parsons’ Backrooms, you’ve heard the contents of that record coming out of a cardboard caveman standee). they did this because NASA planned to sundown these probes by letting them drift out of the solar system to parts unknown. Voyager 1 is currently 16 billion miles away, the farthest any manmade object has ever traveled from earth.
AND it’s not even dead! despite supposedly being a “dying spacecraft” all the way back in 1990, Voyager 1 is not expected to be fully out of commission until 2036. to keep the probe alive they’ve switched off unneeded tools, adjusted its trajectory, even essentially updated the firmware, and through all that time it’s basically never stopped sending back priceless data for scientists to analyze.
this is the original Pale Blue Dot, by the way:
it’s relevant because “a single point of light smaller than one pixel” makes a lot more sense in the context of the original than it does in the heavily corrected version up top, where our pale blue dot looks more like a vibrant dwarf star. the difficulty of spotting earth in these waving curtains of space IS the entire impact of the picture! the blue dot is “pale” because it’s hard to see! by making earth stand out so brilliantly, Terribly Interesting have inadvertently created the impression that earth is this vibrant glowing pearl, bright for all to see for billions of miles around. and it just isn’t! the point is not that we can see earth from far away, but that we almost can’t, because we aren’t the center of the universe! when science educators past have used this image they often referred to one where the earth is circled in bright red, which only further emphasizes how small and fragile our home really is.
but hey, if you DO want an improved version of Pale Blue Dot you don’t even need photoshop:
this is Pale Blue Dot Revisited, released by NASA in 2020. this is a reinterpretation of the original data using modern image processing techniques to create a more realistic or at least more high-definition rendering of the scene. it’s important to understand that this is not the original image dropped into photoshop and airbrushed. strictly speaking, there isn’t an “original” Pale Blue Dot the way there are negatives of traditional photography. astrophotography is almost always the product of raw data being deliberately interpreted by scientists, so the same data can produce many different images (ie if they want to emphasize the infrared spectrum vs visible light). similar work was done by Don P. Mitchell in ~2005 to enhance images taken by Soviet Venera probes of the surface of Venus to be less noisy.
here’s an original:
and here’s Mitchell’s version:
i’m not here to argue which is “better” (and i highly recommend you read the source for this one because it’s quite fascinating), just to give another example of the process in action and hopefully clarify how it’s distinct from editing a jpeg in photoshop. also i just think it’s neat!
which is the real reason i went to the trouble of making this post. Terribly Interesting may indeed find all of this to be terribly interesting, but it appears to be interest for the sake of a vague transient feeling of having been interested and little else. it doesn’t name the probe, the photo in question, nor does it give historical context for the mission it was part of. the only substantial thing it says about the probe, that Voyager 1 is a “dying spacecraft”, is so frustratingly oversimplified it may as well just be a lie.
so what’s actually learned here, if you’re someone who knows none of this history? that one time there was a thing and it did a thing? earth tiny from far away?? obviously it’s just one image macro but i see this kind of thing making the rounds SO often, a screenshot with like two sentences on it explaining the image with as little descriptive text as possible. it’s like there’s a space-themed inspiration-posting rulebook that says you can’t imply the existence of information not contained within the image. mention NASA? mention Voyager 1? mention Pale Blue Dot? nope! “a dying spacecraft” took “one last photograph”, and here’s a photoshopped version to make earth more visible.
and it might not even get to me nearly as much if this was any other space photo. i could accept that space stuff is complicated and this kind of fast-food image can only say so much if we were talking about Cassini or JWST’s role in helping us find exoplanets. but this is Pale Blue Dot, the brainchild of arguably THE science communicator Carl Sagan! he wrote a book about Pale Blue Dot, he was on TV to announce the image personally! it’s arguable that no astrophotograph exists whose context has been more digestibly packaged for laymen than Pale Blue Dot, which just makes it that much more egregious when someone doesn’t go to the trouble.
so much of what i love about astronomy and studying the past & future of space travel is that everything you can learn is a doorway to learning more. you can’t earnestly read about Voyager or Cassini or Venera or any other mission without finding some odd searchable detail and going “wait, what is that” and immediately falling down an hourslong rabbit hole to find an answer. and you’ll never reach the bottom! i love reading articles about cutting edge astrophysics written for people in, like, early grad school, because i fully comprehend maybe 10% of it, vaguely understand 20% (on a good day), can kind of wrap my head around 30%, and find the rest totally inscrutable… but that’s still a solid 60% scrutability rating even at the lowest-quality end of the spectrum! i’m no expert and i never will be, but in scouring the written expertise of others i almost always find one or two ideas that end up sticking with me forever. and it starts, every time, from questions about a photograph.
the sin of the above image is that it’s solipsistic. it doesn’t give you anywhere to put your curiosity or interest, doesn’t invite you to leave their website and learn more than they have space to share, it doesn’t even tell you anything useful about its subject! it reduces the entire history of Pale Blue Dot down to a vague and nondescript wonder that’s just a pale imitation of the highly specific and ideologically driven wonder that Carl Sagan wanted us to feel.
here, feel it for yourself:
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[P.S.: before you lament that this is an “AI” problem, while yes “AI” has radically increased the volume of low-value (often negative-value) inspiration bait like this, know that this has been a problem in online science education for a LOT longer than chatgpt’s been around. this example isn’t extraordinary, just close to my heart. nothing new under the sun and all that]
lmao someone else got their knocks in on this post before i could finish writing mine. clearly we are hand in hand re: Talk About How Cool Voyager 1 Is You Fucks
Na, arról teljesen lemaradtam, már másodszor, mert reggel nyitáskor elvitték mind az 5 darab gépet, ami egy-egy boltban volt. Megértem, 20 ezerért volt meghirdetve. Ezen úgy felbaszódtam, hogy rendeltem egyet. Ha én eldöntöttem, hogy lesz olyanom, akkor lesz. Velem nem basznak ki. :D Szóval ez a kompakt kis kárpittisztító egy csoda! A gizsgutyák által tönkretett (összenyálazott, összeörömködött) kanapét csodásan kitisztítottam. Meg a szőnyeget is! Nade az hagyján, ma reggel egy laza mozdulattal körbeöntöttem magam kávéval az ágyban. És hova ment a kávé, na hova? Nyilván arra a 10 centis részre, ahonnan letornáztam a matracvédőt meg a lepedőt. Nade akkor előkaptam kárpittisztító kapitányt és tádám semmi vizes ronggyal dörzsölés és átkozódás, és örökre ottmarad a nyoma a fehér matracon, hanem mint egy reklámfilmben mosolyogva kiszippantottam, kitisztítottam. Ha mindezt tudom, vehettem volna egy nagyot, egy iparit. Lehet, hogy nagyobb gép nagyobb élvezet. :D
Ajánlj márkát légyszi!
off, de be kell dobni egy nagy kád vízbe, és akkor az lesz a Kárpit-medence
do you ever find something that is so funny and you want to share it with everyone but it also requires 18 layers of context spanning things like. 90s anime. aviation history. europop. canada. in order to even remotely understand why it is so funny
in the late 90s there was an anime called initial d which was all about street racing and drifting. naturally every single drift was played for great drama and excitement.
in 1999, an italian named giancarlo pasquini released a europop song under the alias dave rogers called Deja Vu. this song was picked up as the theme song for the above anime. it in turn became a meme, a shorthand for drifting and Cool Moves as a concept.
in 1983, air canada flight 143, a full sized 767, ran out of fuel halfway to edmonton, alberta. this is not something you want to have happen to a huge airplane. the flight chose to try and make an emergency landing at a nearby decomissioned airforce base (as they were falling fast and could not make it to a proper airport), where they ran into a second problem: they were falling out of the sky at 500 feet per mile, but reached gimli (the base in question) while still too high to safely land. normally a plane would just do a big loop-de-loop to lose altitude, but they had maybe three minutes of airtime left before they hit the ground: not enough time to make any kind of circle. the pilot, therefore, decided to execute a side slip to lose speed and altitude. this is Not a move you want to do with a massive 767, because airplanes are not built for that and if you screw it up that plane is hitting the ground at a high speed at a weird angle and breaking into a million pieces. nevertheless, the captain tried it… and succeeded. the plane landed perfectly, and there were no major injuries! (a couple of people did get minor injuries when evacuating the plane after.) he did it so well, in fact, that the plane was refueled, flown out of gimli a couple days later, and continued to fly for another 20 years with the nickname “Gimli Glider.”
what is a side-slip, you ask?
it’s drifting.
the guy goddamn drifted his 767.
in 2008, the tv show Mayday: Air Disaster featured the gimli glider with full reenactments as an episode on season five of their show.
and so, in conclusion, the thing i have been giggling to myself about all weekend:
this is somehow starting to make the rounds so because i am a pedant i am going to take this time to talk a little more in depth about air canada 143, the GIMLI GLIDER
I had read the story of the Gimli Glider before, and I had seen the video with “Deja Vu” playing, but I never understood where the song came from or why it was supposed to be funny before.
This is “The Most Tumblr Punchline” in action, only I didn’t realize there was something to look up.
