Incredible Map That Shows The Entire Observable Universe (That You Can Explore!)
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- Опубликовано: 5 сен 2024
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Hello and welcome! My name is Anton and in this video, we will talk about a new map that shows us the entire universe
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What constantly blows my mind and keeps me up at night, is that this is only the observable universe.
Some say it could be trillion of times larger.
Me too, when I first found out about the observable universe I often tried to imagine what was on the other-side (keeping in mind at coming up to 60 when I was a child the then known universe was a hell of a lot smaller than what we now know it to be) so while I will have long passed what will science have discovered in the next 60 years
All the more space for crazy unknown things to be going on out there without us having the slightest clue about it too.
Bakes my noodle and honestly gets me fearful a bit, knowing there are so many chaotic, wild things out of our hands that can put us in our place so fast and out of nowhere. It’s always humbling.
And telescopes are fairly recent in human history. Radio telescopes in my lifetime, then as the EM spectrum was investigated, more and better tools to observe and measure. Wonderful.
It’s insane
Whenever you feel a bit down you can always put a video from Anton calling you a wonderful person and showing you something cool about the universe.
For me, it's satisfying to know how utterly unimportant trolls, dictators, fakes, flakes, posers, liars, abusers, murderers, and thieves are. They don't even represent a fraction of a micron of a quark within the grand scheme.
🐲✨🐲✨🐲✨
Delighted to see your channel flourish Anton.
Our civilisation needs more people like you.
1.09 Million subscribers. Quarter of a million dollars raised
for charity. Cosmic numbers. Im just some guy who
watches your videos out here in digital-land and I bow to
you Sir. Thank you for being a beacon of hope.
Thank you, Anton. Your brilliance shines across the Earth. You inspire over a million people daily. Absolutely amazing content/links/resources; Enthusiastic learning tool.
I'm sorry for the recent loss of your child. When my sister lost her son she was devastated, but with the passing of time she learned to keep living her life, to keep moving forward. My sincere condolences.
Amazing! I'd love to get the map 3d printed or imprinted in glass.
If it's at a more realistic scale that would be a big piece of glass 😅😅🤓
I mean, when we see those colourful points in these mainly 2D maps, some of them objects are very very very far away
I’d get it in epoxy, it’d be cheaper and you could add lights to it
I might be able to help you there, contact me.
I believe I can have it executed and delivered.
MrLau, you got a laugh out of me! 😊
@@thedude5616 acrylic stuff works well yeah.
I didn’t expect a quasar era was so huge in time. For some reason I thought it lasted about only a billion years, but obviously it was a half of an age of Universe. A very interesting visualization
I'm not 100% sure, but I think it looks like that because that's all we can see so far in the distance. Surely there are galaxies and what have you around, but we can't see it as of now. Kinda like we can't see most exoplanets because they're too dim, but we can see the stars they're around.
@@MattJDylan I think he was referring to a particular blue part of the map in the middle.
Well, also keep in mind it's looking like a higher percent because that's all we can see from then. There were probably tons of "regular" galaxies for a good chunk of that time (especially the most recent), but they're so red shifted and dimmed we aren't seeing them.
It'd be kinda like looking out over a crowd with a lamppost beside you at night. You can see the close people pretty well, but you can only see people far off if they're holding up a flashlight, and the brighter the flashlight, the better you can see them (or at least their flashlights)
It's like that here. The quasars are the people with the flashlights out in the dark beyond our lamp's light.
I guess quasars must produce a lot of x-ray light to appear blue at such incredible distances.
@@SubduedRadical Exactly. Thanks
TY Anton for continually giving us a scientific roadmap to follow.
Pretty cool video Anton thank you for sharing your knowledge. 👍
Thank you for explaining this so well, Anton. This is wonderful. Can't wait for JWST to fill in part of that final gap!
That final gap is an illusion of the model. The Cosmic background radiation is not actually separate from the rest of the observable universe. The gap represents the unobserved part of the observable universe. it's theoretical size is known. It's actual size is unknown.
@@davidallen111 You seem to be confusing the observable universe with the actual universe (they aren't the same).
When we look far, we are seeing back in time (this is due to the limit of the speed of light). So, yes, there's a limit to the observable universe, and that limit is the big bang. And things that lie within that limit are knowable... still a bit of way to go but we'll get there.
Since the actual universe is expanding much faster than the speed of light, the light from that far away will never reach us. So, we'll never know what the actual universe looks like, and we'll never be able to confirm the theoretical size of the universe with direct observation.
The CBR (Cosmic Background Radiation) isn't what lies at the edge of the actual universe. Its presence in the visualization represents the point in time when, for the 1st time in the universe, there was light... and it was a brilliant white light that appeared everywhere all at once.
Read up on the timeline of the universe to know when and why does the CBR exist.
The JWST can see further back in time than the Hubble, but it can't see as far back as the Cosmic Background Radiation, so the gap will decrease but it won't be completely filled
... at least not yet. We'll need more advancement in technology and a better telescope to completely fill that gap, and even look further back in time than the Cosmic Background Radiation.
@@KindlingEffect The Cosmic Background Radiation exists everywhere and comes from every direction. Its source is in the past, but the radiation exists now, and here. The observable universe is limited by the universe expanding beyond the speed of light, and will likely never increase unless we very unlikely find a way to see faster than light.
@@KindlingEffect I am not confusing the observable universe with the actual universe. My comments refer to only the observable universe.
We can theoretically estimate the observable universe, but we cannot yet see all of the observable universe. Our view of the observable universe is limited by the ability of our telescopes, which are not yet advanced enough to see the farthest reaches of the observable universe, which the gap on the chart represents.
The limit of the observable universe is not the big bang. The big bang does not explain how it is that the universe is expanding faster than the speed of light, which is the limit to the observable universe.
The CBR does not indicate the origin of light. It would indicate when the universe became transparent enough for light to propagate through the universe, except that this event exists beyond the limits of the observable universe.
You are such a treasure Anton, thank you!
I do share this with someone who loves to hear about space and science I will be back tomorrow. Thankyou Anton you are a great antidote.
I would REALLY like to know what that "edge" truly represents, how it appears, and if the collective scientific community believes that the Universe DOES "wrap around" (eventually), or instead... it goes onward and outward infinitely. 🙂
From my perspective, everything we know about all which we can observe seems to indicate that spheres, ellipses, and helical-like structures seem to be key. It would be very odd if the Universe was "flat" (in my opinion).
🐲✨🐲✨🐲✨
If you believe the big-bang theory, the CMB is the edge. Instead picture the universe is practically infinite (or likely curved around at the largest scales, which are too large for us to see it) and the CMB layer is just smoothed energy from everything out there.
This is interesting! I am curious if they thought about extrapolating the current positions of distant objects based on the time it took the light to travel, or if that would make any difference.
They may have thought of it, but decided to make a map of the observable universe first.
I think that Anton is right and we are all wonderful people -- full of wonder at the amazing universe. We are explorers of the mind, IMO. We dig up clues seeking to find some logic behind such magical numbers of humongus sizes. I am looking forward to see images of other stellar system planets some day soon.
Celestia was a great universe sandbox program downloaded for free on PC back in the 90s. You could set time intervals and see larger galactic orbits
Thanks for bringing this to us.
The cosmic web reminds me of the collapse of the surface of a soap bubble, but in 3D. Like surface tension of the film trying to minimize the energy level causing a "random" pattern.
Nice image!
So why is the cmb surrounding every where in space? Shouldn’t it only facing us from one side. Also if we’re surrounded by it wouldn’t that make us in the center of the universe as well as one of the oldest galaxies there is?
We can't measure it's directionality.
wow... did not expect a map of the visable universe to be produced anytime soon.
So, if we were to 'flip' the observable view around 180 degrees, what would the light from the O.U. coming from the direction of earth look like to someone located at the 'top' of the map...?
That was very, very, interesting and very well explained, thank you Anton.
8:10 There is an older source for this map: there was a huge hardcopy book, several feet long, that my family had in the 1980's and 90's with large high quality maps of local space scaling out in ever expanding cylinders to the galaxy, then the local group, and beyond to the known universe.
Glad I discovered your channel a couple weeks ago, had me hooked from the start 🪐
0:50 Hi Anton, it's Johns Hopkins Uni with an "s" after John. That mistake is very common.
Thx for all your work and keep up the good stuff!
I’ve come to the conclusion that no matter how much we advance technology to see further in to space we are going to find that we keep finding more and more…. The closer we get the more we find it continues. I think many of us have felt this way for a while and they are currently working on the actual mathematics behind it ti make it make sense
Each discovery brings more questions.
I read somewhere that this effect of seemingly seeing more and more stuff the farther we look might be because the universe is hyperbolic (topologically speaking), but we see it flat here because the mass near the observation point curves the space enough to make it look flat... but, it's still too early to know
Well we know there is limitation in how far we can see in the Universe. The fact that the most distant light came to earth 13.8 billion years ago. That's how we know when our part of the universe was created. Which is called the observable Universe. That doesn't mean that past the the point of the observable universe there is nothing. There could be more galaxies. The universe could be a 1000 times or a trillion times bigger. We just don't know. I mean the universe structure could be part of a living creature and us on earth could be living on an atom like structure or particle relative to the creature. We just don't know but could imagine.
The bigger the circle of the known, the greater the contact with the unknown
It's no fun if you don't have any questions left... The urge to know more drives us.
Anton , you and your enthusiasm got me interested in space and the wonders of the universe and for that I am eternally grateful mate 👍
i always wonder if someone was on a planet say 12billion Ly away, would they also be able to see 14billion Ly in every direction? do they think they are looking at the beginning of everything? do they see the edge? or do they see basically the same thing we do?
They’ll see exactly what we see except their observable universe would be centred around them, space is practically the same all round and it’s only the observable universe we see now so anything past that is still the universe just not able to be seen due to the speed of light, but for someone billions of ly away they’d have a bubble around them that’s their own observable universe in the empty space we can’t observe.
It's cool to think, someone about 3 or 4 billion light years away looking our way today would see a newborn star with planets forming around it.
@@wooddogg8 yessss the disparity between time and light is truly a crazy subject, I’ve always wondered how a wormhole would work with this disparity as you could observe a distant system you wish to travel to and using the wormhole you could arrive and realise that the entire system could be gone entirely as the time difference is only a visual at distance but if you clear that distance faster than light then it may not exist in the present time but you seen it’s past version due to light speed, it may mean wormholes are almost useless to us other than getting to somewhere “close”
@@tyresefarrell well yeah, that's why time travel is a paradox: it would break causality.
@@wooddogg8 Yep, and they'd think "there's no signs of intelligent life out there" (even though they're looking right at us), and so they'd have their own Fermi paradox. This is why I think the Fermi paradox is not a paradox at all. Space is simply too vast to see all the life that's in it because everywhere we look, the life that is there now is too far away and so we see it as it was before it developed.
To me there is nothing more important than the information you help us understand, super big thank you Anton.
is it possible for me to even comprehend how far apart everything really is?
I like to pretend I'm stretching my brain to contain it every time I ponder ...
Just remember. The map is not the territory. If it was it would be the territory 😆
Is that zen?
No, it isn't possible with a 3D brain. But insight is still crucial. Reflection is key. Look within, but understand that more than the mere physical aspect is required for true enlightenment.
"Before I start, I must see my end. Destination known, my mind's journey now begins. Upon my chariot, heart and soul's fate revealed. In Time, all points converge; hope's strength, resteeled. But to earn final peace at the Universe's endless refrain, we must see all in nothingness... before we start again."
🐲✨🐲✨🐲✨
--Diamond Dragons (series)
Not in relation to yourself. There are many orders of magnitude between us and the observable universe. But you can progressively increase the scale you think at, or perhaps jump straight to large scales if you have trained yourself in how a specific scale looks and work. There are units like gigaparsec which makes the size of the unvierse a nice small number.
No. You have no frame of reference not removed many orders of magnitude.
@@Novastar.SaberCombat "more than the mere physical aspect is required for true enlightenment"
The separation between the body/"merely physical" and the mind doesn't exist in real life. It's a superstition.
Telling people that "science is fine an all but it's important to understand that the world is magic" is... well, this is a science channel bro. You're in the wrong place.
What an episode!
Q: Am I the only one who waves and smiles back at Anton at the end of each episode?
Yes. lol
Lol yes
Thank You for this! Your videos are really great for learning. I really appreciate them. It something about the mic of knowledge, the structure of your presentations and not the least your personality! It really makes it easy to learn when you seem like such a good guy.
Another great video! Thanks for the content, Anton! Always something madly interesting and often, like this episode, utterly mindblowing.
Outstanding. Thx as always.
Hello, Wonderful Person Anton. Thank you for another awesome video. Man, I’d love to sit and talk with you in person about the cosmos, life, just whatever. You’re quite intelligent and polite, two very rare traits found in people these days.
I love maps too! thank you Anton!!
The more things are complicated, the simpler they become. The universe looks like one big donut, particularly a Krispy Kreme glazed one.
Cool. Thanks for sharing.
Atlas of the Universe is a>20yo link in my browser, and one of the reasons I'm here!
Hello Wonderful Anton.
Yesterday You had 50k subs and here You are.
Thank You for Your hard work!
Great new map, Anton! You post links to so many of them, I shouldn't be surprised!
Always a fantastic learning place, thank you my friend. Keep them coming 👍🏻😊
cannot help but think it looks like a huge star went supernova and left a nebula beyond the size most of us can comprehend.
Yep, but they say there is no center to the universe so everything is not moving away from a center point like a supernova.
@@murraymadness4674 we all know if something went bang it had a position of origin
Hello wonderful Anton!
That map gives the notion that the universe expands out from us - but surely we are not at the center - in some direction, aren’t we closer to the edge? I’d like to see the whole pie.
From any point within or beyond the visible universe an observer would essentially see the same structure of the universe. We are by no means in a special point.
Since the universe is expanding away from as in any direction and all matter/energy once was concentrated in a tiny, tiny spot - we are in a sense in the "middle/center" of our observable part of the universe.
Imagine a very big, completely dark hall. You have a very meager flashlight and it shines a perfect circle of light exactly on to the floor below you.
You are in the middle of that circle. You appear to be at the center of that circle of light and nothing will indicate the opposite.
The famous surface of a ballon being filled with air and expanding also illustrates why everyone perceives of being in their own "center". There is no edge.
Ooooh NOW I finally understood what the CMB was, thank you!!!!
Nice work again Anton. I can't help but think that that massive cosmic web may have a similar or duplicate version in the micro world that we could use for travel.
@Anton Petrov can you do a video on the discovery that consciousness makes up matter I saw something about quantum physicists winning an award on discovering it…maybe the universe was thoughtfully made..would love your opinion
Who made the thoughtfully maker?
Thanks for spreading info Anton!
Wow that was a great video, thank you.
Wonderful as always anton. Thank you. 🙏😊
if we portray space like a big slice of pie. doesn't it give the impression that we are at the center of it all? does this actually tell us the overall structure of the universe?
it very likely doesn't look like that, but it makes me very confident of my theories, the observed matches very well, the problem is it doesn't seems like we will be able to check it for more than thousands of years if ever at all, so I'll have to conform with that
Incredible,they actually measured the observable Universe 👌👍 fantastic!
Very interesting, informative and worthwhile video.
We are most definitely not alone,the universe is massive,and that’s only the observable part,I would love to meet our neighbours and converse with them about everything.✌️❤️
God damn the bots
@@HurricaneZerox right? It's stupid whoever runs these scamming bots these people need to get jobs instead of cheating people outta money
Wow. That’s so cool. What an amazing view
Thank you Anton, the energy you put into your productions is awesome. Best space and science channel ever!
Edwin Hubble could not have fathomed just how far our understanding and visualisation of our universe has come from his first realisation of the existence of another single galaxy - Andromeda.
We live in such wonderful times when it comes to science and space-time and I feel truly fortunate to have watched our space journey evolve so dramatically during my lifetime.
Thanks wonderful Anton and wonderful people that came before, who had the vision and in some cases, the bravery, to share what they saw and understood.
I'm so sorry for your loss. We know so little about those around us
Every time I hear your outro, Jack Horkheimer says "Keep looking up" in my head. You're the perfect person to inherit it. When people hear it 50 years from now they'll think of you.
Guess we’re just a energized little pixel in a crt monitor displaying a series of images to someone on the other side.
Question: How is redshift so pronounced if visible light is a tiny part of the electromagnetic spectrum? Considering how stars and quasars produce a lot of ultraviolet light, wouldn't this get redshifted into the visible spectrum which would offset visible redshift?
If I were to guess, it would be that they don't produce enough to skew the effect of redshift, or that visible light is able to persist longer than ultraviolet and so the visible light reaches us at a more intense level
Maybe there are galaxies beyond the redshifted area that we just cant see because maybe red is the last color the universe lets us see. I mean it would make sense - maybe its CURVING like the earth curves and you cant see PAST part of it. OR maybe its just nice quiet dark space :) nice and peaceful ahhh :) makes me wanna go in a float tank lol
While the spectrum of light (and hense the colors) that the human eye can perceive may be small, we can build machines (like JW & Hubble telescopes) with "eyes" that can capture light outside the visible spectrum i.e. they can detect photons vibrating at wavelengths beyond our own eyes' capacity to detect.
Now, imagine a graphic where all wavelengths of light are lined up horizontally, with the wavelengths getting larger and larger as we go from left to right. The visible (for the human eye) light will form only a tiny strip on that spectrum, with blue at the left edge of that strip, red at the right edge, and every other color that we can see lying between these two edges. This tiny strip is the visible spectrum.
When visualizing the light from objects detected by the aforementioned machines, where the light from these objects lies outside of this strip, any light with wavelengths lying to the right side of the strip is simply colored red. Is it really red? No, but we can't perceive those colors (we can't even imagine what those colors might look like), so all light on the right is simply colored red. Those are the red galaxies that you see in the video. Similarly, any light that lies to the left of the visible spectrum is simply colored blue, even though it isn't actually blue.
If our eyes were as good as a mantis shrimp's, we would color them differently when turning the data from the telescopes into images for the general audience. But, our eyes aren't that good, so we make do with what we have.
In case you didn't know: We can perceive only 3 'primary' colors, i.e. RGB (Red Green Blue), and every other color we see is a combination of these 3 (that's a bit of basic color theory for you). A mantis shrimp can perceive 12 primary colors (i.e. their visible spectrum is much larger than ours, even though it still doesn't capture the whole spectrum). We can't even imagine how extremely vibrantly colorful the world looks like to a mantis shrimp. What do the colors that it sees look like? It's simply beyond the limits of the human imagination (try imagining a color that definitely exists but can't be seen or imagined... breaks your brain, doesn't it?)
But maths (and its bedfellow, science) help us overcome our limits... in a way.
@@KindlingEffect Brilliant answer, thank you!
The more I learn about the universe and the more I discover how minuscule and fragile we are.
Only to a point. Physically, yes. But there's a LOT more beyond certain gateways that only deep insight can reveal. Reflection is key. Look within, but understand that more than the mere physical aspect is required for true enlightenment.
"Before I start, I must see my end. Destination known, my mind's journey now begins. Upon my chariot, heart and soul's fate revealed. In Time, all points converge; hope's strength, resteeled. But to earn final peace at the Universe's endless refrain, we must see all in nothingness... before we start again."
🐲✨🐲✨🐲✨
--Diamond Dragons (series)
As we advance in technology, the mainstream paradigm of our universe will come closer to collapsing under the weight of it's monumental lies. hundreds of billions wasted in scientific corruption.
Eventually when you wake up from the matrix, you will learn you have been buried under a mountain of bs.
I’m starting to suspect we’re not at the center of the universe. 😁
Thanks for making us aware of this new map!
The vastness of space has always puzzled me, most things in life have a beginning and an end but space is infinite, it's hard to get your head around it. If you could go to the farther star away and set up your telescope what would you see? Probably the same again on and on.
On the outer universe edge is Tiffany Breakfast & Hotel planets , Intergalactic Space ports & Asteroid Mining Companies -
Thank you
"What the universe actually looks like." Well, important to point out that this is only what it looks like from our remote viewpoint, from which we can only observe what the edge of the observable universe looked like +13B years ago, effectively making that pizza slice map a time machine rather than a contemporary atlas, which is useful and fascinating, but also depressing since it's not a current snapshot of what space actually looks like right now physically. Over there, by the "edge", space has just like over here gone through +13B of astronomical evolution since the state that we can observe and in reality looks pretty much the same as over here by now, except that most of what we can only now see (after light has travelled for +13B years) isn't there anymore but has now disappeared beyond our reach forever due to the expansion of space. And of course, the edge is just that from a remote observation point of view - actual physical space just goes on and on after that (whether to a real physical edge or to infinity nobody knows obviously).
I have a few things that's been naggin me forever! If we grav that slice of the observable universe, and say, magically move the center of view to the very edge of what we can see, and make another slice looking at the same direction, what would we see?. Is it the exact same slice, but with this hole other portion of a universe that we weren't able to look at?
Also, you are traveling to this other location extremely fast, faster than it can escape you so you can actually catch it. You've originally seen that location for a long time just as a simple red spot with a certain red shift value AND how it used to look 14 billion years ago. What would you actually see as you aproach it?? It's entire lifespan in an instant?
This is the coolest thing ever. I immediately ordered the big poster of the map 😌
you're great Anton❤
hey I think either I contributed or used the SDSS data with my computer crunching. I've done a lot of citizen science projects with BOINC for the einstein@home and milky way@home! What I've done contributed greatly to building databases for what we have now :)
Since we’re seeing these ancient galaxies as they were billions of years ago wouldn’t it be safe to say they certainly don’t look like that now. Particularly since they’ve probably collided with other galaxies by now.
Correct. Every moment that you "look up", you're viewing the *past*. The further away humanity's telescopes and equipment peer into the Vast Cosmos, the further into the PAST everything observed occurred. This is nearly impossible to comprehend when one considers more than any single destination or "event" out there.
The speed of Light isn't as instantaneous in reality as it may feel for any given human. It's "fast", but not as immediate as is something else.
"Before I start, I must see my end. Destination known, my mind's journey now begins. Upon my chariot, heart and soul's fate revealed. In Time, all points converge; hope's strength, resteeled. But to earn final peace at the Universe's endless refrain, we must see all in nothingness... before we start again."
🐲✨🐲✨🐲✨
--Diamond Dragons (series)
Being that many stars could've likely blown up by then, almost certainly yes
Anton thank you for making it always simpler for us. I am from India and am a great fan of yours
Space donut with space coffee, please...👍Great video again 💫
I wish somebody would create an interactive map of the galaxy where you can simulate flying through it on a really fast spaceship.
I don't think we know enough for even that. We have maybe 5 systems of completely guessed about planets. Most of it would be about as accurate as Eve or Star Trek
Try 'SpaceEngine'. Just like Anton said. Seriously. It's pretty close.
🐲✨🐲✨🐲✨
It would be cool to map the other 270° of the observable universe just to know were our galaxy resides ! i would highly doubt tho we are exactly in the center tho !
Cosmologists claim that there is no 'center', or edge either. I know that sounds counterintuitive, but that's how it's presented.
@@booklover6753 this may sound odd but i always imagined bootes void to be like a window to the edge of the universe ! That would put our galaxy 700 million miles away on the map of the observable universe ! Just a theory i had !
Billions of light years of the observable universe, but the farthest mankind has traveled is about 1.3 light seconds from Earth. It’s mind blowing what exploration awaits us.
If we don't blow ourselves up first!
Thank you, wonderful person 🏆.
So if you complete all these segments you get a sphere?????.....and what if we find full galaxies (far) beyound the cmb????
Wonderful, thanks
Stay wonderful, Anton.
Fantastic map of the universe! The cosmic web I find particularly intriguing, and I presume this is formed by the elusive dark matter? Thank you for this awesome video, Anton.
Wasnt this in the simpsons with stephen hawking? 😆 Homer, your theory of the donut 🍩 shaped universe is fascinating, i must steal it! - Steven hawking.
Anton is a gift to the world.
Ok ok nice images!
@Anton Petrov Thank you for engaging us with real science that is backed up with published scientific papers. You are a rarity…and that is a good thing. There are so many other RUclips creators that produce content just for income or popularity while showing complete disregard for facts that you have already debunked.
It seems many viewers experience the magic word “observable” as a stumbling block. “Observable” implies two things: 1.) we cannot see it all, 2.) we cannot see everything in real time. That should put to rest the claims that it is, in fact, the entire universe and that it is everything that can be observed independent of the point of origin, i.e., the red shift. So, yes, we are looking into the past the farther we go, and it isn't everything that can be observed due to the expansion of the universe and the continuous red shift that will be forever impossible. However, we are still continuously learning from the things we are observing. The physical processes remain the same. A supernova today would still go off the same way some supernova did in the past.
A strange thing occurred to me watching this. For a couple hundred years science has been trying to explain to people that the earth is not the center of the universe- but- now we can to say wherever you are in the universe, you are effectively at the center. So, we are ‘a’ center of the universe, instead of the center of ‘the’ universe. all this controversy over an article. 😂
Love the videos. Keep them coming.
Thats awesome.
I love redshift maps like these!! Seeing the nodes and filaments carved out by dark matter over billions of years is just stunning! 🎉
What dark matter they haven't found it yet.
@@Lion-rf8xi I mean, they don't know what dark matter is, but they can still see its effect on the galaxies, so...
@@Lion-rf8xi All that is meant by dark matter and dark energy is something they can observe the effects of, but that they don't know what it actually is. So part of why they haven't found it is because it's not really a real thing. When they find out what it is, they won't be able to generically call it dark anything, then they'll know what it is that they weren't seeing directly.
No such thing as dark matter
@@anon_y_mousse We're hoping dark matter is just matter but made slightly different to our standard model :D Dark energy is a bad name, it's just the vacuum pressure of the universe :D
Very, very interesting. However: I think you are wrong when you say that the the mid-distance part of the "pizza slice" of the Universe is red because there were so many elliptical galaxies there at that time. That's not so. Spiral galaxies can turn into ellipticals by colliding and merging with other galaxies or by losing their arms in other ways, but ellipticals will not turn into spirals. Therefore, there can't have been MORE elliptical galaxies in the past then there are now. So how do we interpret the colors? In my opinion, the nearby small blue part of the pizza slice simply symbolizes the part where the color of nearby galaxies is not greatly affected by redshift. In the yellow part of the pizza slice, redshift can't be ignored, and in the red part, redshift is really affecting the color of galaxies. Okay, so why do things get blue again? It is, like you say, an effect of the brilliant blue, or in fact ultraviolet, light from quasars. But that's not all. In this distant blue era, star formation was near its peak in the Universe, and galaxies churned out huge numbers of brilliant hot ultraviolet stars. The far ultraviolet light of these massive stellar monsters is actually redshifted into the blue part of the spectrum by redshift. But as we go even further back in time, redshift starts affecting even the ultraviolet light of the violent starbursts of the past, and even the light of the hottest, most ultraviolet stars is redshifted into white, yellow, red and eventually infrared light before it reaches us.
Elliptical galaxies do produce emissions that are stronger in the red end of the spectrum owing to their populations being dominated by older stars, irregardless of any redshift that's caused by their distance. Further, I would imagine that when an excess of ellipticals was detected during the era you mentioned, there were probably follow up observations done using much larger telescopes to confirm that the survey results were accurate, but that's speculation on my part. The SDSS was done using a ground based telescope that has a mirror only 2.5 meters in diameter. Empirically stating that elliptical galaxies can't evolve into spiral galaxies is a mistake I think. Our knowledge of galactic evolution hasn't progressed to the point that we can support such a broad sweeping statement, in my humble opinion. It is known that the spectra of elliptical galaxies, globular clusters, and the central bulges of spiral galaxies, are very similar in nature and that their stellar populations are dominated by very old yellow and red stars. Some, if not all, of the globular clusters in the Milky Way are thought to be leftover galactic nuclei from previous mergers, and there have been about 150 of those found thus far. That represents a lot of potential mergers. Radial velocity measurements taken of stars near the center of some globular clusters reveal the presence of massive unseen objects that would be smaller analogs of the SMBHs detected in the cores of large galaxies. If I were postulating a reason for why there were more elliptical galaxies in the past than what are seen during the current era (which I'm not), I might lean toward the idea that many of the smaller ellipticals were absorbed or merged with larger, still growing spirals and ellipticals that were present at the time. Something to remember too is that Anton is only relating to us what he's found in recently published studies and papers, and those findings don't necessarily represent how he actually feels about the subject. I do trust him to present the most up to date information though, mostly because he has more subscriptions to scientific journals than I do. LOL! Cheers and best wishes.
What I'd like to see is a realistic map of the local Sector around our solar system.aybe something like 100 lightyears around us
It is not a map of the universe. It is a map of the universe's past. Today, the universe looks completely different. And we can't see beyond the edge of the observable universe. How many times larger than the observable universe can be and how many similar universes along with the Big Bang can there be? Hmm
The universe is impossible to map. Only locally can a map be somewhat accurate. Once you get to beyond say, a billion light years, the actual picture of the universe becomes less and less accurate due to the motion of more distant objects in space and the fact that they've had a billion, or two billion or ten billion years of movement which we'll have to wait to observe.
Hey Anton when looking at flat maps ie earth it is not accurate because the earth is spherical so with maps of the universe is this the same?
Don't believe that text me thing with Anton's face on here. You probably know that, but just in case, I thought it nice to warn you.
Edited to add: report it for spam. That's what I do every time I see one of them. Enough people do, it will get removed.
@@MaryAnnNytowl as soon as it came up I reported it as spam, they are pathetic
Can't wait to see James Webb resolve the galaxies around those quasars and peer into that gap. We might finally be able to see if the universe is a 4D donut. We would see galaxy clusters repeating, but older than they are in the CMB.
That is a map of what we see, which is completely unlike what a map of the current universe would look like.
The whole universe could still be part of something bigger. We are like ants trying to understand an Elephant by observing one of its legs.