Study Reveals 1000s of New Ring Galaxies Uncovering Certain Mysteries
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Hello and welcome! My name is Anton and in this video, we will talk about ring galaxies
Links:
en.wikipedia.org/wiki/Polar-r...
en.wikipedia.org/wiki/LEDA_10...
en.wikipedia.org/wiki/List_of...
en.wikipedia.org/wiki/Cartwhe...
en.wikipedia.org/wiki/Arp_147
en.wikipedia.org/wiki/AM_0644...
arxiv.org/pdf/2107.06920.pdf
Burcin galaxy: • New Extremely Rare Typ...
#ring #galaxy #astronomy
0:00 Ring galaxies
1:05 What makes these galaxies unusual
2:12 How these galaxies possibly form
3:10 Galactic bar influence?
3:50 Accumulation of gas from outside?
5:00 Some rings are perfect
6:10 Recent studies discover diversity
7:30 These galaxies are very evolved
8:20 Recent study finds a huge numbers of galaxies
9:20 First findings and potential answers
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@Graybeard_ Місяць тому
When I was a young lad many decades ago, in a much simpler time, there was an old man who would sit on a bench in the park and blow smoke rings with his cigar. He could blow smoke rings within smoke rings. I think these ring galaxies were done by him. 8-)
@Tharsis_ Місяць тому
That's the only reasonable explanation I can think of.
@robertthomason8905 Місяць тому
Intergalactic billiards may not be a game that we want to play. Redirect an asteroid towards whom? All that was left was a hole
@DJWESG1 Місяць тому
It might be closer to the truth than you thought.
@pacotaco1246 Місяць тому
pass the pipe brother
@Badger90 Місяць тому
We love your content Anton, thank you for being a wonderful person!
@VIK_1903 26 днів тому
this
@KrisCadwell Місяць тому
10:44 Ring galaxies can only exist where there's nothing around to disturb them? I can relate.
@davephoenixmusic5017 Місяць тому
Same
@Stellar-Nucleosynthesis Місяць тому
Probably one of my most favorite phenomena. Thank you so much for this video, truly a great day.
@vicvega3614 Місяць тому
These videos have a calming effect on me, after a crazy day i put my ear buds in and chill, so thanks 😊 👍
@4pharaoh 27 днів тому
Thanks to your post, I just realized how calming the cadence of his voice is. Now I don’t have to wait for forced smile at the end of his videos to put a grin on my face.
@jimfausset8122 Місяць тому
Thank you for your content you are so informative I've learned things that I never even would have thought of or even knew existed thanks again great Channel
@timsexton Місяць тому
6:41 - Is that real? That's amazing with beautiful stability and colors. *_TRUST !!_*
@Avendesora Місяць тому
The colors are added manually by humans after the image is processed
@toughenupfluffy7294 Місяць тому
I knew a guy who could not only blow smoke rings, but he could nest them as they floated away from him. I once saw him nest 5 smoke rings at once, and they all lasted about 35 seconds as they drifted across the room. (Blew my mind, as well.) I'll bet these ring galaxies have a similar origin, except without the guy blowing smoke rings.
@silvergreylion Місяць тому
So, you haven't seen vortex rings in water yet?
@user-cz1lt5hm7i Місяць тому
Thanks again -- I always look forward to your observations as a stimulus for my mind
@oldfatman4639 Місяць тому
Thank you Anton.
@azevol216 Місяць тому
Couldn’t ring galaxies be a final state for bar spiral galaxies
@0Buddhaspot0 Місяць тому
I'm a big fan, I love and look forward to your daily content. Congratulations on the continued success 🤙
@PRM420 Місяць тому
Maybe faster spinning black holes (quasars) cause the spiral arms to form in a rung structure by quickly pushing it to the out skirts but with stronger gravity from thr middel trying to pull it back in. Thus making a giant ring around it. I feel really it should be called a bullseye galaxy
@gweebara Місяць тому
❤it ! Anton revisiting old topic could be a whole series
@yvonnemiezis5199 Місяць тому
They are beautiful ,thanks 👍😊
@user-se3bw8ku8i Місяць тому
thank you anton. we need to learn to see through the kaleidoscopic views of the universe more clearly. and to do so some of us have to be less awed by telescopic imagery and more focused on why it is all happening rather than keep on jumping to new conclusions randomly.
@christopheraaron8299 Місяць тому
You'd have to imagine ring galaxies would be formed by an explosion at the center, like the merging of two supermassive black holes.
@freeforester1717 Місяць тому
Like our Kuiper Belt- Diehold Foundation, series 4, Doug Vogt explains.
@localdrugseller6431 Місяць тому
Any sort of explosion affecting particles at such huge distances?? Doubtful.
@christopheraaron8299 Місяць тому
@@freeforester1717 Yeah, but there has to be a supermassive black hole that it all orbits in the central bulge, and supermassive black holes don't just come from nowhere, they form at the center of galaxies. I think ring galaxies could be the result of the merger of two galaxies of the same relative size. If it's just accretion, why does nothing gravitate to the void between the ring and the central bulge? What forced everything out of that void? Why does the void exist at all?
@freeforester1717 Місяць тому
@@christopheraaron8299 Really? Scientists have just postulated that the Universe is approximately 27bn years old, more than twice the age previously considered “accurate”, and dispensing with the ‘requirement’ of ( to date, wholly theoretical) black holes and dark energy. The notion that ‘there has to be a supermassive black hole’ is now therefore somewhat contentious?
@crow2989 Місяць тому
@@freeforester1717where did this 27bn number come from. Can we get a source on that?
@jimcurtis9052 Місяць тому
Wonderful as always Anton. Thank you. 👍😁
@stenkarasin2091 Місяць тому
Fascinating post, great job Anton.
@adelinared1 Місяць тому
I enjoyed your other videos on Hoag's Object. A very facinating galaxy. And the one right behind it too!!!
@eleanorchapple8772 Місяць тому
Whatever the explanation these formations are gorgeous.
@chrispiercy3384 Місяць тому
White hole in the middle instead of a black hole! That's what Dave said. Thanks Anton love the channel xx
@douglasnelson3569 Місяць тому
Intuitively I think about some massive core expansion / explosion followed by a rapid contraction - kind of a galactic smoke ring :) Great video regarding a beautiful object - thank you Anton!
@christopheraaron8299 Місяць тому
The merging of two supermassive black holes might be able to do it.
@michaelneal6589 28 днів тому
Thank you Anton
@fuzz992 Місяць тому
Thanks for the videos!
@aethelfrithofbernica Місяць тому
Anton you are a really cool guy. Glad I found your channel!
@Phomalhaut Місяць тому
My most confident guess is that these galaxies form analogous to a toroidal/donut planet, with the ring acting as synestia and behaves fluidly as it spins. It would also make sense that it would be more likely for toroidal gravitational bodies to form at a galaxy-size scale with the stars and gases acting more as a fluid than rocky material.
@Salamandra40k Місяць тому
Except planets dont form toroids, but yeah
@pacotaco1246 Місяць тому
@Salamandra40k none that have been found appear to be toroidal but we have found planets (and dwarf planets) shaped like footballs and mentos so who knows? Could just be super hyper rare due to the high sensitivity to tidal distortion or somethin
@Salamandra40k Місяць тому
@@pacotaco1246 Footballs and pancakes are NOWHERE NEAR a ring with a hole in the middle lolll. That system is too perfect to exist
@Phomalhaut Місяць тому
@@Salamandra40k My thought process was that donut shaped planets can mathematically exist, but are extremely improbable and are unstable due to gravity wanting to squish the object into a sphere. But I think it would be more probable that a galaxy can be in the shape of a torus in place of a disk or sphere.
@Salamandra40k Місяць тому
@@Phomalhaut I got that from your comment, but others comments saying "oh there could be some out there" clearly just dont understand how vastly improbable (BuT nO, NoT iMposSibLE!) it is in our physical, imperfect universe.
@MrMrneil1 Місяць тому
good work, Anton
@graemebrumfitt6668 Місяць тому
Cool images Anton! TFS, GB :)
@sixeses Місяць тому
Thanks Anton.
@davidgiffordsr.930 Місяць тому
Not a complaint, just saying... Gee seems to me, you are getting into Science that is getting more difficult for me to comprehend, or make sense of. Not even saying anything can be done about. Keep up the good work. Carry on Sir.
@KnightspaceORG Місяць тому
Never say never. No matter how old you are, there's always room to learn more.
@PSwayBeats Місяць тому
I feel like the abundance of stars in the middle of the galaxy have gone supernova and slowly pushed out the galaxy into a ring instead of it being one cohesive swirling chunks of matter
@crazygamer6982 18 днів тому
Yeah, im still on board with the wormhole/whitehole hypothesis for ring galaxies like the Hoags Object, for no other reason then it would be pretty neat
@caejones2792 Місяць тому
The comparison between rings and spirals as different ecretion structures based on pressures made me thinkof the arcs in Neptune's rings. The rest of Neptune's moons indicate how disruptive Triton's capture must have been, and the shape of the Kuiper Belt indicates a great deal of other gravitational interactions Neptune has been involved with. Might there be a situation where a planet could develop spiral arms?
@ReverendHarris Місяць тому
Thanks!
@PeachesCourage Місяць тому
Most of what you have said makes sense really thank you interesting!
@Unmannedair Місяць тому
I want to be clear, I'm only speculating. But that looks very similar to a plasma instability that I saw once. I was trying to use an electromagnet to bifurcate a stream of plasma into polarized charges and what I got was essentially that structure. One charge in the middle, and the pairing charge on the outside. On a galactic scale though... That would take a really big magnetic field...
@KnightspaceORG Місяць тому
You're not speculating, you're repeating what you heard in an Electric Universe video, aren't you?
@1Grr8Guy Місяць тому
11:03 "...take years and years of additional observation ..." . Just more observations may not be enough. We may need better data from better instrument (JWST and beyond). Also, we may need new understanding of physics, math, etc. couples with better simulation or even quantum computer. Then bring in AI and AGI whenever possible.
@PjEastman-xq4tk Місяць тому
Makes sense that what we think of as nothing~actually is something...> just the notion of 'floating' thru space- says it all.. And like vortex's in a medium~ (water as a visible example) we see them dance,,repel,,join as a larger one,,and see stuff below surface in tub of water swirl around>expanding like a tornado throwing stuff out>but in the 'liquid model' the 'stuff' circles around...- similar to galaxy... And possibly the little shallow eddy vortex wells within, formed the planets/pearls~rolling the star stuff' around.. Certainly would be good early grade school fodder for kids.. Obviously more to it than that.. like shown they did the same with acoustic waves--all energy is waves->thats the medium.. energy wave type flows interaction on the other hand open all the other doors.. Language can put whatever words on the 'vortexional force',,,we've used word 'gravity' for afew hundred years(not very descriptive).. The ancients also knew about this> the 2 pyramids(one upside down above other) with tips touching__like a worm hole... I wonder what they called it in ages before the younger-dryas...The ancients knew about the magnetosphere.. & the (new to us) electric universe theory=dynamo. When u combine all that with vortexional dynamics~and according to the atomic clock we dont see entropy__we only see conversion...> so the big-bang is bullshit.. Between the black hole in a jar,, and star in a jar,, (david Lapoint did at cern)we can prove it all on a table--,,, the only thing we can't prove= is a begining or an end__just conversion.. They say they have no clue... But the 'vortexional dynamics in a medium' does,,= we see vortex eddy's in rivers become eliptical because of of flow,,,__ and we see vortex rings start to spiral in dissipation in calm mediums..and disturbed similarly if another big screw passes thru >as he shows... just ads creedence to the medium idea,,,and obvious flow... And theyre double sided(ecretion disks with central jets top&bottom)as measured and usually depicted
@KnightspaceORG Місяць тому
EU bot is broken again
@PjEastman-xq4tk Місяць тому
😂cheers-- thats why i proposed the 'vortexional dynamics',,macro to micro mimic of what we know. props to victor schauberger and fibonnacci too.. and we know molecular bonds are magnetic. So there is some creedence to the dynamo part of EU.. like a physisist once put it=we're currently only in the first chapter of the first book of a set of encyclopedias,,>> and the key word IS cyclical__ we've known before... The 'keep it simple' rule applies
@misterlyle. Місяць тому
A ring galaxy resembles a lens, either in an eye or in a camera. I wonder how many of them appear to be aimed directly at us.
@freeforester1717 Місяць тому
Doug Vogt explains these and the Kuiper Belt in his series 4 Diehold Foundation. 😊
@matthew944 Місяць тому
Maybe it's a Kardeshev 3 civilization that hosts it's population in the older central stars. Maybe they gather the elements needed to run their civilization from all the star formation and supernava remenents on the outer band. 🔭
@PrimordialOracleOfManyWorlds Місяць тому
super-cool. the universe's majestic beauty at its grand best.
@AndyWitmyer Місяць тому
I've always enjoyed entertaining the possibility that Hoag's Object is an ancient technosignature born from galactic-engineering.
@JungleJargon Місяць тому
Look at the mass of the galaxy!
@garylawson5381 Місяць тому
In the first image of the video, the small galaxy within the larger galaxy looks more like it is a couple million light years further behind. This of course is just my personal guess. Thank you Anton Petrov for another interesting video.
@filonin2 Місяць тому
Yeah, he said it was "at a much farther distance" @ 0:31
@garylawson5381 Місяць тому
@@filonin2 I didn't hear that. Thanks.
@GaylJDodds Місяць тому
What if those ringed galaxies are the final result of what our spinning galaxies turn into once they're done spinning? Or vice versa? Just a thought... Btw, Anton, you're a VERY WONDERFUL person!! Thank you for these amazing videos!!
@jonnyueland7790 Місяць тому
The result of counter rotating galaxies. Innerpart is rotating the opposite way. That will leave a void between the inner and outer part.
@filonin2 Місяць тому
Interesting hypothesis, but we can tell which way galaxies are rotating by their blue/red shift and that will have already been checked for.
@gamerboy7820 Місяць тому
The thing is what more is out there we have not seen it’s crazy I just wish the world would unity instead of being in war we could achieve so much
@douglaswilkinson5700 Місяць тому
Democracies *rarely* go to war against each other. Dictatorships do go to war against democracies and other dictatorships.
@pandajfry Місяць тому
Has anyone mentioned that the cause may mostly be the same, it may be the original galaxies composition and form that's a bigger factor.
@BastilsBlather818 Місяць тому
Xrays shred electrons off matter , are mainly destructive within a specific distance from the emitting source , rings reasons could vary tho ,just a thought 😊 if no black holes present or binary then maybe a sympathetic reaction to a non local star to call it involuntary. In our own galactic core a odd reverberance goes on ,how much our star sympathetically picks up these subtle motions and reacts is rather unknown I suspect.
@simpledragon Місяць тому
I had a thought that this might be a young galaxy that was formed around a giant star that through gravitational attraction attracts matter to eventually create a black hole ( at a certain size matter falls in on itself due to pressure), then conforming spirals ( or whatever physics forms. Huh?
@mykofreder1682 Місяць тому
For the Hoag's Object, the ring and the center rotating at about the same speed you might have some argument for dark matter. If not, the same rotational speed of connected rings/arms might be the connection unifies the rotational speed, and a gravitation model that says that is not happening, it probably is lacking a characteristic of the background gravitation of the whole object.
@Zeithri Місяць тому
I'll watch this tomorrow because tired and late, but I just wanted to say that reading " _Some rings are perfect_ " made me picture the Golden Retriver " _This boy, he is perfect_ " video xD
@doglegjake6788 Місяць тому
It's almost like debris going through a Centrifical clutch.
@shodan6401 17 днів тому
It may be that at least some of these ring galaxies are formed as a byproduct of the Birkeland Current in which they occur. Perhaps we will learn more once we develop a method by which to observe the Cosmic Network, and the characteristics of those networks which dictates what kinds of galaxies are formed?
@FearlessP4P1 Місяць тому
They’re amazing. It’d Be cool if there were advanced civilizations all around the ring
@willgoodwin2560 Місяць тому
The physics simulation in my head factors-in centripetal perturbation. A rotating body, such as a gyroscope or galaxy, will remain stable if motion is parallel or perpendicular to the axis. However, if any twist is introduced then there are shear forces. In something like a galactic body which would be much more of a fluid than solid, that shear would cause twisting of the flow and you would have a spiral galaxy. The same spiral effect is seen in weather systems since they rotate upon the surface of a rotating sphere. My point is, flat-Earth would have ring hurricanes.
@hal_aetus Місяць тому
I'll have to look it up, but I wonder if dark matter has been used to explain how some ring galaxies form, particularly when collision seems unlikely. Perhaps dark matter celestial objects (dark matter galaxies?) exerting influences and we are only able to detect the electromagnetically detectable half of the story.
@gibsonattila Місяць тому
Two or more active quasars merging together could do this
@Nefertiti0403 Місяць тому
They’re beautiful
@seanivore 29 днів тому
Totally. They get completely different after they get the ring
@DominoPheonix Місяць тому
nice video
@DOC36121 Місяць тому
So happy that you did this about Hoag's Object. I just finished writing my third Star Trek Fan Fiction novel, and Hoag's Object plays a central role in it! Nice to know some of the interesting facts you brought up here!
@Tharsis_ Місяць тому
Hoag's Object is one of my favorite galaxies. The fact that you can see another separately formed ring galaxy of the same type in between the nucleus and the ring-shaped galactic "arms" of Hoag's Object is so interesting to me.
@bryandraughn9830 Місяць тому
I remember hearing about a galaxy with a lot of counter rotating stars. I wondered how it might evolve.
@fisterB Місяць тому
I would like to live in a ring galaxy one day. To sip a Pina Colada by the ocean at night and look at the majestic arch in the sky, adorned by the radiant core. But the Milkyway is also fine.
@daleb5967 Місяць тому
I expect that spiral galaxies have two to three smbhs....driving the spiral arm formation and active bh clusters and swarms. A barred spiral with two smbhs at each bar end. It could be that ringed galaxies have a more stable smbh core and in transition to spherical...elliptical... And yes I know we are told the milky way is a barred spiral, and we are told we only have sag a as a center. I believe we have not found the other smbhs and have not mapped it out right. Considering I expected smbhs as seeds in most galaxies 30 years ago, and the universe expansion different in different directions as proved by jwt.... by my expectations 18 years back.....we have more to learn.
@calvingrondahl1011 Місяць тому
“A splash in the cosmic pond.” Carl Sagan
@wayneharrison Місяць тому
Maybe the lack of, or zero "Dark Matter Clumping," may have something to do with these Ring Galaxy formations?🌌🤔
@jennifersaar1611 Місяць тому
Don't write off collisions as the cause just yet. Although these galaxies appear isolated, almost all probably had dwarf galaxies orbiting them. The right sized dwarf (or dwarfs) diving through the galactic disk and sweeping along gas and dust could conceivably create a ringed galaxy. It could be a series of collisions of a specific size and or a specific order, dependent on position.
@alancattelliot4833 Місяць тому
it is surprising that no one has made explanations out of "black holes" or "Dark matter". Let me try : Ripples in the galaxies materials appear when at least two black holes, located at the center of these galaxies, collide. Collisions also affect the distribution of dark matter, basically slowing down the total momentum of the galaxy. This momentum loss has a direct consequence on the shape of these galaxies.
@Napoleonic_S Місяць тому
I've just thought about SMB as a potential answer, especially where it's often said that they could produce strong winds... Maybe something similar caused materials to be pushed outward from the center?
@Law0086 21 день тому
That "reverse donut hole" galaxy seems pretty plausible.
@matreviewlab Місяць тому
Could some of them be what’s left after an active black hole is over when the quasar finishes? Like the wind from the active black hole pushed back all of the gases leaving nothing around it
@stargazer5784 Місяць тому
An almost definite maybe. 🤷♂️
@douglaswilkinson5700 Місяць тому
@@stargazer5784Classic!
@xtremdave Місяць тому
I think that if the black hole in the center is rotating fast enough, there is a chance to have an empty space created by the centrifugal force preventing any matter entering the inner galaxy. But if the black hole is rotating at lower speeds, it allows the matter to be spread evenly across the galaxy... just a though
@classic_sci_fi Місяць тому
Looks like Birkeland Currents to me. They form bars, spiral arms, and rings along with binary stars.
@esecallum Місяць тому
Shhhhh....your not allowed upset the narrative. Gravity is their God
@P0SSPWRD Місяць тому
I remember being in middle school and finding Hoag's Object in Google Earth's space map and thinking I had found some anomaly that nobody else had discovered lol
@brothermine2292 Місяць тому
Do those ring galaxies have the same shape when viewed in other ranges of the electromagnetic spectrum (radio waves, x-rays)?
@johnisailofski7140 24 дні тому
Type 4 civilisations are re-powering their galaxies by creating new stars in a ring around their home galaxies
@davidcombs1785 Місяць тому
It's Beautiful!
@burnrubber7547 Місяць тому
Some relationship between the super massive black hole that had a massive outburst in the past, and its interaction with dark matter.
@Darkwolf1942 Місяць тому
I've played enough Halo to recognize that ring shaped things in space are never good....
@icaleinns6233 Місяць тому
ya know, those ring galaxies like Hoag's remind me an awful lot of the nebula we've seen after a star goes nova, like 1987. Only instead of producing a ring of pearls, this detonation produced a ring of stars. Only there's no way anything that massive could have existed. Right?
@KnightspaceORG Місяць тому
Right. Galaxies aren't single, energetic objects, they are a collection of relatively diffuse matter that cannot explode in it's entirety
@icaleinns6233 Місяць тому
@@KnightspaceORGso how do you end up with something that looks amazingly a lot like a planetary nebula? It's very strange.
@KnightspaceORG Місяць тому
@@icaleinns6233 They might look like that only because that's how you want to see them. Planetary nebulae take many forms, but they never form rings, rather shells of gas. It's a superficial similarity at best
@douglaswilkinson5700 Місяць тому
The event in 1987 was a supernova. Only white dwarfs create novae when the acrete enough hydrogen from a binary partner that it ignites nuclear fusion of said gas. Right now we are waiting for repeating nova on a white dwarf which will be visable close to the North Star Polaris.
@ColdHawk Місяць тому
I have to confess that I am puzzled by the consternation caused by the range of morphology in galaxies. There are now estimated to be trillions of galaxies in the observable universe and there are myriad forces and all sorts of interactions affecting them since the beginning of the universe that will have given rise to so many shapes, and almost certainly no two in the observable universe will be the same…. So why all the kerfuffle?
@JungleJargon Місяць тому
It's gravitational lensing.
@localdrugseller6431 Місяць тому
Perhaps they are rings because anything that is closer falls inside black hole because it is way too big and has extreme gravitational pull? Because maybe the gas in the ring already spins near relativistic speeds and cant spin faster to orbit closer to black hole? Just a thought.
@Reoh0z Місяць тому
> "Statistics..." There's Liars. There's Damn Liars. And then there's Statistics.
@sergueigoussev491 Місяць тому
What is the ratio of the discovered ring/circle galaxies to the oval ones? Nearly all of them seem to be turned to us by their front (circle) side and "locked" like the Moon. Are we in an optical bubble?
@dprphoto Місяць тому
What about the central blackhole? Could that be the cause? It could have blown its top and produced stellar winds that killed off the inner stars but activated the gas on the outer part to start star formation?
@brookestephen Місяць тому
wouldn't a high spin speed create ring galaxies? with much of the matter in the galaxy having much the same speed of rotation?
@ciurdypsyco Місяць тому
they look like protostar disks, it ould be that the SMBH in the center when it was forming, the light pressure stopped the gas there and threw all the rest away
@mmelmon Місяць тому
Obviously, many of these can be explained by a spunky teenager blowing up the core of an Imperial super weapon commanded by an overconfident mummy.
@KnightspaceORG Місяць тому
That is the best description of him I've ever read lmao
@TheNeptunianGamer Місяць тому
LMAO
@user-kc6qx9xu2d Місяць тому
Galaxies popping up everywhere? How many stars are out there anyways? Every interesting.
@elgato9534 Місяць тому
It's a Hogswort galaxy. The other side consists of four elephants and a turtle 🐢 it's flat.
@peterashbridge507 Місяць тому
If further away from other things are they slowing down Has a galaxy's core semi-boomed pushing all gas outward Still can be many possibilities
@keith1291 Місяць тому
Love his sh*t-eating grin at the end of each video!
@Mike80528 Місяць тому
What if a massive galaxy collides with a smaller galaxy spinning the opposite direction in a flat (pancake) collision, cancelling the inner motion collapsing it inward and leaving the outer ring?
@Alice_Sweicrowe Місяць тому
Fluid dynamics are a place to look.
@Atok595 Місяць тому
I learned about fluid dynamics while reading on my toilet. It’s name is shameless porcelain.
@Alice_Sweicrowe Місяць тому
@@Atok595 That is lovely.
@mawkernewek Місяць тому
5:34 Saint Anton with a halo around his head?
@mouseshadow5828 Місяць тому
one ring galaxy to rule them all
@RodneyABrubaker Місяць тому
Wouldn't it be from a quasar? A powerful quasar would have strong winds that blow the gas out from the center, shutting down star formation. So it would leave old stars at the center and when the quasar shuts down, the gas it blew away may pile up around the galaxy making the ring. It can do this because no other galaxies are near by to draw away the gas and dust that was losted from the active quasar.
@ontoverse Місяць тому
There's nothing to cool the gas down, however, so unless it was ejected below escape velocity, it will never return. There would rather have to be something there already for the gas to pile up against. That being said, the cosmic web is a pretty good candidate for that, especially if the "fluid dark matter" ideas prove to be correct.
Anton Petrov
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Hi Dev! – Электроника
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