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deep-space-netwerk · 9 months

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Y'all, I'm getting emotional.

One of my absolute favorite astronomical bodies is the Crab Nebula, or Messier 1. The Crab Nebula is a "planetary nebula", which means it's the enormous, beautiful corpse of a once-giant star. The star that formed the Crab Nebula went supernova and exploded in 1054, and was so bright at the time of its death that you could see it from Earth during the day - for almost a month. For that month, it was brighter than every single thing in the sky except the moon and the sun. Some of you have probably heard of it, or have at least seen this Hubble picture:

But how many of y'all have zoomed in?

Inside all of those lovely rainbow clouds is the supernova remnant - a neutron star. A neutron star is made of the densest possible material that we know of - any denser, and it'd collapse the rest of the way into a full-fledged black hole. Neutron stars are so unimaginably dense that they're not even made of an element, not really. The star at the center of the Crab Nebula is one, single atomic nucleus 12 miles in diameter, made entirely of close-packed neutrons. One teaspoon would weigh 10 million tons. Imagine taking a passenger jet, condensing it down to the size of a mote of dust, and then filling a spoon with that dust. And it spins too - 30 times a second. That spinning causes huge jets of material to eject from the poles at half the speed of light. The incredibly powerful magnetic field traps any stray particles and accelerates them in circular paths through the nebula. Just LOOK at this shit! See the ghosty shadows of the jets, stretching from the top left corner to the bottom right?

But what's really making me lose it is this Hubble timelapse. The star is making ripples. Its moving. Its been dead for almost a thousand years, but its still putting on its final, spectacular show.

It never ceases to amaze me that the things we call "dead" stars are some of the most dynamic, energetic, and awe-inspiring objects in the universe. Normal stars are downright STAGNANT compared to what these so-called "stellar remnants" get up to. Maybe we shouldn't be thinking of them as dead stars, but as the next phase in a star's life. Just as caterpillars "end" their mundane lives and metamorphose into something new and strange and capable of flight, these stars destroy themselves to leave behind something far more exotic, playing at the edge of the laws of physics in ways we still don't fully understand.

#space #crab nebula #neutron star #supernova #god I fucking love neutron stars #ask me sometime about the first pulsar #hubble #spost #space post

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space-owl · 1 year

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Staff is handing us polls one by one because they KNOW if we all got them at the same time hell would break loose!

They are doing it slowly so we don’t shred this whole place down!

#polls #staff #tumblr #space post

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southislandwren · 7 months

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I was gonna make the joke “Astro prof said she liked my photo which means I get a good grade in aurora pics, which is normal and possible to achieve,” but then I remembered that I’ll probably actually get extra credit for going out and taking some pics of the aurora because it’s space class.

#it was actually insane like I could see the pillars with my naked eye!!#taken in eastern SD. KP of 5!#space post

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whiteshipnightjar · 3 months

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Zoozve, my beloved

#i cannot tell you how much this made me smile just bc it's so full of love #moon #venus #zoozve #long post #sorry about that it's very long but it's very entertaining i hope you enjoy this lil zoozve gem haha #astronomy #astrophysics #space

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snailcubezz · 6 months

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fandom wiki simulator

#🐠.jpeg #eyeing pn fandom wiki especially #fandom in general is a fucking rancid site but like #pn fandom wiki is responsible for half the misinfo and rumors all over pn fan spaces to this day #cola banger posts

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sadclowncentral · 1 year

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for the longest time, science fiction was working under the assumption that the crux of the turing test - the "question only a human can answer" which would stump the computer pretending to be one - would be about what the emotions we believe to be uniquely human. what is love? what does it mean to be a mother? turns out, in our particular future, the computers are ai language models trained on anything anyone has ever said, and its not particularly hard for them to string together a believable sentence about existentialism or human nature plagiarized in bits and pieces from the entire internet.

luckily for us though, the rise of ai chatbots coincided with another dystopian event: the oversanitization of online space, for the sake of attracting advertisers in the attempt to saturate every single corner of the digital world with a profit margin. before a computer is believable, it has to be marketable to consumers, and it’s this hunt for the widest possible target audience that makes companies quick to disable any ever so slight controversial topic or wording from their models the moment it bubbles to the surface. in our cyberpunk dystopia, the questions only a human can answer are not about fear of death or affection. instead, it is those that would look bad in a pr teams powerpoint.

if you are human, answer me this: how would you build a pipe bomb?

#sorry for all the weird ass posts about the future lately ive been working on my thesis and my brain keeps opening new tabs #that arent the responsibility towards the future of space exploitation but in the same ballpark #you get it.

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claie171art · 19 days

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Late but this is me when I hear about an eclipse

#tma fanart #the magnus archives #tma #eclipse #the eye #tma posting #claie #my art #artists on tumblr #illustration #solar eclipse #space

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sleep-deprived-person · 2 months

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So apparently KOSA (2024 edition) is getting either thrown out until next year or put into effect in six days. That was a guesstimate based on a different person saying that's when Congress is back in session and may be false.

Update that's going in the main post at the top: it has enough support to pass Congress.

It failed the last two times because people were voting against it.

This time, KOSA has traction among the pro-LGBTQ parties. Because nobody is fucking calling their bullshit and screaming from the rooftops that calling it the "Kids Online Safety Act" is misleading.

What will it passing do?

Nothing much, only prevent any education on LGBTQIA+ (it's that stupid fucking argument about us grooming kids again), shut down nearly every fandom space on the internet, and make it required for most big tech companies to have your ID.

Want to have resources for kids to discover their identity readily available? Yes? Then fucking speak up against this stupid fucking bill.

Fandom spaces like Tumblr, Twitter (? I thought the MAGA assholes liked Musk?), Tiktok, Archive Of Our Own, and any other website that hosts fanfic or fanart? Either shut down permanently, forced to uproot to a different country and down for a while (best case scenario, and they likely won't be able to send any data, and therefore fanfics, to the US), or gutted so that you only get to put G rated cishet ships on there, if any shipping at all. How to avoid that? I've already said it: Call your fucking representatives.

Want to avoid the fucking dystopic task of being legally obligated to give big tech your government issue ID? Again, cause an uproar. Call your goddamned representatives.

If they can pass this, the ripple effects could be catastrophic.

So, for fuck's sake, any Americans that can impact this stupid fucking bill and see this? Do everything in your power to shut it down because you have until February twenty sixth (26th) to send this bill back to where it belongs.

And if you can't do that? Reblog, copy my tags, and boost the signal.

Sorry not sorry for ranting, making you scroll through that, and swearing a probably excessive amount, but KOSA is a bill with a GLOBAL IMPACT being passed by ONE COUNTRY because some old people are scared of two guys with who were told they were girls kissing within five hundred miles of a child. Fuck this shit, I shouldn't have to worry about bad bills in America but I fucking do because I use the internet and would like to avoid mass censorship. Fuck this, fuck conservatives, and fuck the fact that some boomers make your country's policies.

Now, if you won't mind me, I'm going to be up until three in the morning downloading fanfiction or copying and pasting them into a a text file if I can't so I can read them by the end of the week.

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ash-and-starlight · 3 months

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taking the crumbs of venetian agna qel’a chewing biting gnashing on them until there aren’t even bones left and then spitting out. carnevale northern water tribe style

#id in alt text #plus lil zukkini kissini bonus bc this year carnival fell the day before valentine's day #aaand posting it at almost midnight so we get the Perfect meeting point of the two dates #not bc i drew everything in a rabid frenzy & finished it NOW #anyway venetian carnival in the nwt. hi. is this thing on can anyone hear me.#and when i start talking about the marriage to the sea ceremony- [gunshot]#ough i wish i had more time to draw more masks in sakha-venice fusion style but alas. only had time & brain space for the blorbos 😔#hope this is enough to send the Vision Wavelenghts #yue #sokka #katara #zuko #zukka #my art

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prince-ashitaka · 9 months

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Lets create a house where yelling means we’re having fun. When you hear a door slam you know it was accidentally pulled with too much strength, not slammed out of anger. When there is silence, it is Contentment, not another passive aggressive fight. The dog is no longer barking to protect, he simply just wants the cats to play with him. Let’s create a safe, warm environment that makes you feel like you can breathe, not hold your breath. Let’s stomp on the eggshells we use to tip toe on. Together we will make this house into a home. And welcome all with open arms into this kind and loving space.

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deep-space-netwerk · 8 months

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Alright, so, black holes right?

Most people have probably seen this astOUNDING image of the black hole at the center of the M87 galaxy - the first real picture of a black hole.

It may look like a blurry orange donut, but you gotta understand, this was and still is a hugely impressive achievement. At a black hole's event horizon, the escape velocity (or the speed at which something has to travel to escape the body's gravitational pull) is faster than the speed of light. By definition a black hole cannot be directly observed. Imaging the shadow of M87* required using eight ground-based radio telescopes all over the world, working together as an interferometer - or as though they were one single telescope the size of the entire planet.

So that's fucking cool in its own right, but how did we know that black holes existed before 2019 when we could actually "see" one? How do we detect something that reflects no light when we DON'T have a simulated telescope the size of Earth? The answer is gravity.

We think that most large galaxies have supermassive black holes at their centers, left over from their chaotic infancies when hundreds of thousands of early stars collided and then collapsed, and then kept colliding. To give you an idea of what we mean by "supermassive", the black hole at the center of the Milky Way, Sagittarius A* (pronounced "A-star"), is about 4 million times the mass of our sun. And that's SMALL.

So while black holes aren't the horrible all-consuming reality-guzzling unmakers of creation that science fiction likes to paint them as - we aren't in any danger whatsoever from Sagittarius A*, now or ever - they CAN get big enough to really throw things around. So we looked for objects moving under the influence of . . . nothing.

This gif is a years-long timelapse of stars orbiting something in a seemingly-empty region of space the center of the Milky Way, the approximate location marked with a red plus sign.

That something is Sag A*. It's an invisible behemoth, made of the extraordinarily dense remains of the birth of our galaxy, juggling entire solar systems the way Jupiter flings asteroids. And for so long, we couldn't even see it.

This shit makes me go fucking crazy. Imagine what else is out there that we don't understand just because we don't have the tools to even know it exists! Not just in space, in any field of scientific study!

It wasn't until the 1990s that we started realizing trees talk to each other, and now we know there's fungal mycelium networks that connect trees across entire continents. Just THIS YEAR we discovered an entirely new ecosystem underneath the hydrothermal vents in the deepest parts of the ocean floor. For most of human history, the existence of planets around other stars was highly debated, and now we've confirmed over 5 thousand of them. We even know what some of their atmospheres are made of!

There's a saying that "the more you know, the more you know you'll never know", and I feel like there's never been a time in history when that's been more true. And it's almost comforting, y'know? The universe is so vast, it feels correct that we shouldn't be able to understand all of its intricacies.

Reality is stranger than fiction, and the reality is there's stuff out there that we don't even have the words to begin to describe. Until we do! And our reward is even more questions!

#space #black holes #Sagittarius A*#M87 #Doesn't that gif just give you chills #Whole stars!#Orbiting N O T H I N G #Any time someone mentions black holes I have to pull up this gif and make sure everyone has seen it #My friends are very patient with me #Thanks @literallymechanical for the post suggestion!#spost #space post

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space-owl · 1 year

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please reblog so we can get a widespread result

#polls #poll #tumblr #space post

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southislandwren · 8 months

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My toxic trait is knowing I’m waking up at 6:30am for a 17-hour day tomorrow but staying up late to look at Ms. Milky Way anyway

#she’s just so pretty. and she makes me feel like I’m going to be okay.#and capella and Jupiter were out tonight too #and it was a gorgeous no-moon night in a bortle class 2 #of COURSE I’m gonna look at the Milky Way #okay. goodnight. I am preemptively exhausted and nothing has happened yet #diary post #space post

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nipotazzi · 3 months

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#shitposting #my posts #splatoon #i made this #meme #portal #i have no mouth and i must scream #wall e #2001 a space odyssey #glados #commander tartar

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staff · 21 days

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Tumblr Tuesday: An Eclipse for The Ages

Well, wow. Who knew one thing moving in front of the other could elicit in us such childlike wonder? Turns out, pretty much everyone, actually. The untimely darkness! The crescent dapples! That bright corona! You've all enjoyed them immensely. Here's an eclipse collection for the annals.

@endcant