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@@Brazen1234I'm a Christian with a past and honestly if I were you I'd stay away from it, just because of the spiritual realm it puts you in. The last thing anyone needs is to open doors to demonic spirits to enter their life and it doesn't matter if your Christian or not, they will come after you.
Production, narrator, script, coziness, structure broken into chapters. This is THE best channel of it's kind on the platform. Same can be said for "History of the Earth" channel, ran by, presumably the same team.
Yes, absolutely!!! I keep rewatching it and never get tired. Well, only if I let it play before sleeptime, but then it's intentional 😅 always serves the purpose, love the voice of the narrator. The most soothing voice, could listen for eternity.
This channel literally aided me in getting off of drugs. Every one of your videos is so relaxing, every time I was sick with withdrawals, these videos helped me get at least that little bit of relief. Thank you so much
This format has not yet hit the limit. I love how you're going deeper on topics we've briefly touched on in earlier videos. The production quality is stellar, as always too! One heck of a stack you're building, congrats on another one to you all!
With this feel yes, but on the other spectrum, give Startalk a go. Very funny and informative episodes. Also love any Sean Carroll , Brian Greene, etc you know, the bunch 😊
Well ladies and gents time to drop everything for the next hour. I know y’all hear it a lot, but this series truly is phenomenal. I so look forward to new episodes. I enjoy all the usual suspects that most of us do on UA-cam, but y’all have separated yourselves from the pack. Thank you, sincerely.
Amazing. I have a Physics PhD and every single video of this chanell left me astonished. You guys do and incredible job linking all parts of the "universe jigsaw". You do it in a very elegant manner. Your videos about the universe are the best i've ever watched. And I've watched hundreads of videos and documentaries about it. My PHD wasn't in astrophysics, but I wish it was. But being an astrophysicist in Brazil is useless. But that doesn't mean I can't study it myself. And your videos have incredible visuals. Big fan!
Can you, as a physicist, say why we tend to discuss dark matter as a fact rather than as a temporary placeholder for an explanation of observations that don't fit our current theories? I find it baffling and a bit troubling that we seem to be going to great lengths to accommodate existing theory rather than questioning the completeness or adequacy of the theory to explain gravity on the very large scale. It seems to fly in the face of the scientific method. I do value your opinion. Thanks!
@@beenaplumber8379 Well, that's actually a problem in your understanding in the matter. I used to have this same argument for dark matter. It seemed like a guess. But it goes beyond that. Let's go to the facts. First, if you look at galaxies rotation speed, you'll notice they're spinning in a velocity that would just expel stars from the galaxy if you only consider the regular matter. So, actually, there must be "some substance" that is concentrated inside the galaxy perimeter, and that "something" has to have mass, and don't interact with regular matter through electromagnetism, only through gravity. And I know, it's not enough to jump to "dark matter". But all other possible explanations just failed to explain whats going on. And then they discovered the "bullet cluster", and that just raised, by a lot, the probability that Dark matter is real The Bullet Cluster is composed of two clusters of galaxies that collided and moved past each other, though this is not clear when viewing the region solely in visible light. Multi-wavelength observations of the Bullet Cluster provided the first strong observational evidence that dark matter does not interact with normal matter, or with itself, and holds the majority of mass in a galaxy cluster. Astronomers use visible-light images to map the location of the clusters’ mass, based on how the light of background galaxies is warped. Most of that mass is dark matter. X-rays show that the majority of normal matter, in this case gas, is in a different location than the dark matter of each cluster-it lags behind. This is because the normal matter of the two galaxy clusters collided, while the dark matter sailed through and kept going without interacting at all. Many mysteries remain as to the nature of dark matter, and the Bullet Cluster provides key evidence in the scientific investigation. They have a good candidate for dark matter now, and they're creating experiments to verify. It's very small size and mass particles, called AXIONS. So, just search for some video about the "bullet cluster". I'm sure it will convince you too. Have a nice day, my friend.
@@ranyeredt Ooh that is an interesting observation. The center of mass moved along a trajectory as if the clusters hadn't collided, as viewed by lensing, but the ordinary matter (seen by x-ray detection) followed the path consistent with the collision, so the visible matter and the center of gravity became measurably separated? Yeah, that's compelling all right. I'll look that up. It's hard for me to imagine some poorly understood supergalactic-scale gravitational phenomenon that could become separated from the mass it supposedly arises from. But it's also weird that dark matter can give rise to its own gravity yet not be affected by gravity. I read somewhere that dark matter was hypothesized to interact with itself by something other than gravitation, but it seems it has to be attracted to itself at some level in order to collapse into the filaments we see. I mean, dark matter is said to have collapsed and formed structure, then ordinary matter was drawn into that structure, right? Can dark matter still have this attraction to itself, only it's weaker than gravity? Thanks for telling me about the bullet cluster. That's putting a few of the pieces together for me!
@@beenaplumber8379 Right? I felt the same when I studied this subject. Only then, things started make sense to me. About dark matter interacting with itself, it hapens, but only through gravity. So, it doesn't collide. Recent theories, involving Axions and quantum mechanics puts dark matter in a fluid like behavior. I really think we're on to something. Another theory in 2022 argumented dark matter could also interact, besides gravity, with itself, but weakly. The first step now is try to detect the Axion. Let's see...
Interesting fact. Every single thing stated in this video is science-fiction. The real Hubble is actually mounted to a 747 and the top of the plane opens up. That’s a verifiable fact. Did you know they have a so-called clone Hubble mounted inside of a jet? NASA is a fraud organization that steals $70 million a day to show you CGI renderings and fake space art. We went to the moon on a paper machete shower curtain rod spaceship? But now we can’t go back? Answer from NASA. We destroyed that technology and it’s a painful process to build it back again lol. You would either have to not know or be a clown to believe anything that comes out of their lying mouth!
First time I comment, but the narration, the quality, the visuals.. everything you guys make is spectacular. The narration is professional, easy to listen to, yet the passion for the subject is palpable, ggs guys.
graduating highschool today, this channel has got me through so much, entertained me on so many late nights and reminded me how lucky i am to get to be alive in a universe like this, it’s also reminded me that it’s all gonna be okay no matter what. thank you for your vids 🤍
Your channel is the only one I have truly liked out of thousands I've ever visited on UA-cam since 2008. Thanks from the bottom of my heart 🙏 You manage to send us into a thinking phase and an out of the world experience !
@@ToughCookiez Prove it. You (and your “holy book”)are stating a claim, not fact. If you think otherwise, consider reading the definition of the word “fact”, OR the possibility that you are part of a religious cult that doesn’t allow critical thinking.
I just would like to say, that this channel has by-far the most polite and positive vibe I have ever seen. It restores a tiny portion of hope for our species overall. Lol thanks to everyone here and for the content creator for giving us all so much knowledge, in the most enjoyable yet very much a teaching/learning content. This is my fave of all science /physics Channel. Hats off for have such a wonderful ability to let people learn in such a calming and soothing possible way!
I did my dissertation on this with Emma at UoN. Her book "First Light" is a fantastic read diving into the mystery of the dark ages and the problems we need to overcome to solve it. Great video!
@@bignewcombe0345 Ah but with out the affectation 'your' itself a cultural inversion of the proper spelling, how would one avoid falling victim to Poe's Law; *puffs pipe*
My cat Patrick and I are going to sleep with this one from Manitoba, Canada. Hope the rest of you are just as tucked in and comforted by this as we are.
Dude I feel like I’m waiting for a new album to drop from my favorite artist It’ll take me a month to understand this video so by then there will be a new one. Love you man!
Just wanted to thank you, again, for this channel and this magnificently produced series. Once again, I can experience the childlike wonder and awe I did as a child, when viewing the Cosmos series for the first time.
This is the single, best, most informative, interesting channel I have watched. I don't comment on anything. But this provides me with bitesize, easy to digest knowledge that I struggle to usually understand. Big thanks to the team here. I wish my skillset was more aligned with this. I would enjoy my job 😂
Oh joy, I'm so happy to see this! Watching it later tonight when I'm on my own and i can fully immerse myself in it. Thank you, thank you, your channel is the absolute best! I literally love you and your team for your fascinating content. ❤❤
And shouldn't they occupy a larger arc-area of our sky, relative to their actual size, than nearer objects because when they formed their size was relatively much larger compared to the (then smaller) universe as a whole? I know I read that somewhere about the most distant observable galaxies, but I've never seen it pointed out in an image, and the images in this vid don't seem to show it - not clearly anyway. The most distant galaxies are just clusters of pixels in these images.
Interesting fact. Every single thing stated in this video is science-fiction. The real Hubble is actually mounted to a 747 and the top of the plane opens up. That’s a verifiable fact. Did you know they have a so-called clone Hubble mounted inside of a jet? NASA is a fraud organization that steals $70 million a day to show you CGI renderings and fake space art. We went to the moon on a paper machete shower curtain rod spaceship? But now we can’t go back? Answer from NASA. We destroyed that technology and it’s a painful process to build it back again lol. You would either have to not know or be a clown to believe anything that comes out of their lying mouth!
I'm certain I've listened to this channel in my sleep 10X more than I've watched while awake. Of the awake watching, 95% is in the blissful transition that happens in between. Wouldn't have it any other way. His, is the voice that narrates my dreams.
Brainwashing you while you sleep is probably more effective for these videos made by intelligence agencies lol Brits do have relaxing voices that put normal people's minds in a relaxed state able to absorb information easily without question. Beware of that trick please. It's very real. Everyone in this world does not have your best intentions. Usually this much production has nefarious organizations behind it. JUST like television does. Question everything. Never just absorb. Especially while sleeping. It does affect you more than you realize that way.
I absolutely love these documentaries, nothing on TV or the Interweb come close to the professional level of detail and production, as well as the way its broken down into easy to understand concepts for the laymen. Can't wait for the next one.
This is truly an outstanding series. I’ve always had an interest in what exists beyond our planet and the science that describes our universe and this channel does an amazing job of connecting the dots of knowledge. Thank you. Looking forward to much more.
Absolutely outstanding content, produced and narrated in a way that is both comprehensive and easy to follow. Information is connected so there are no gaps in sequences, an so we don't end up with problematic holes in our understanding. This Channel produces some of the finest scientific content I've seen. Kudos to everyone that contributes to making it available. 👏
This is what TDC and science channels used to be about. Its a shame this sort of information and science is not found on television any longer, and only seen on the internet. This channel is one of the best ive found, the wealth of knowledge within it is immense.
I watched all your videos and check everyday to see if there are any new ones! The quality of content here is amazing, the way you portray it in your videos is mesmerizing, it's as if I am reading a well written book.
Wow. You have already explained to me the entire history of the universe and concise clear and easy-to-understand terms incredible graphics, writing and narration there is no way you could come up with more content, much less make it anywhere near as good as what you've already done. And then you did it. Amazing I love this channel.
Who else finds it irritating virtually insulting to constantly have to hear of this incredible and interesting material as being so great to fall asleep too literally inferring that thats what its good for
I absolutely love this series it is fascinating. My only problem is I listen to it at night right before bed, and the voice of the narrator is so soothing I fall asleep so I have to listen to it again in the morning.
New graphics, up to date physics and information. The chasm between HOTU and all other channels is vast. But how didyou come out with a new episode so soon after the double episode? You are amazing. 💯🌃🏆
Another great video, and coincidentally very timely, as i had been discussing the topic of the "origin" of the universe (and time) in recent days. Granted, it wasn't so much a debate than it was us voicing our own opinions about it, but this video is exactly in line with my thinking. The "nothingness" isn't really nothing, it's just not something that we can understand right now, because we haven't observed it or recognized it yet. I'm sure that during the period of "nothingness", there are actually all kinds of particle interactions, maybe a proto-weak force acting on particles and slowly shifting/organizing them into places where chain reactions can happen, and once that happens, then it's "light's ON and away we go!". I've always held a belief that our visibility is blocked by some kind of redshifted "wall of light", kinda like noise cancelling headphones, our "winds" and forces block some photons, making things appear dark to us, it would be cool to see if a radio telescope in space might peer through that. Looking forward to the next video!
Absolutely love what you're doing here (even if you didn't actually tell us what is in the darkness, apart from Justin Hawkins) but keep doing what you're doing - for ever!
There's so many bunk channels out there making truly garbage "science content" for clicks, even downright lying, so forgive me for being a bit skeptical going into this, but you guys do really good work. It's a shame all those other channels are almost ruining it for ones like this when I come across them.
This is a popular demonstration of a history of all our universe, but supposing all our universe broke out at one point as a transformation of the primal Yelm (Gramov's Big Bang, ) this was our place in space. As we look out upon it, what we see will tend to be as old as we are. Even if we are traveling at c, the oldest we see will be pretty much what was to be seen when our dispersion hit the relative c. That is, by the time consciousness arose, we would not see the original Big Bang. Nobody believes this. The cosmic background could be merely local black body radiation. Certainly local black body radiation must be a component of the background static.. Why does nobody believe this? Astronomers believe odder things. BW
@@cinimaticsNot trying to minimize your experience but that seems to be the exception. Unlicensed Practitioners; Selling your data as a medical institution and such. And to be very fair no one should pay At the point of service for therapy, They should be asking for your insurance/medical card not your debit.
It's quite easy to fake or overlook info online, and even irl you should always thoroughly check psychologists you choose to work with. Some don't even have degrees but rather courses. Please beware of sites like better help. This channel is wonderful, I hope they find a more reliable sponsor, they deserve it
The music, the narration, the pictures, the story told, I am severely impressed how well these documentaries are done. Somewhere between perfect for relaxing to sleep and not being able to sleep because I want to hear and see more :D
Thank you for this series. I have NO desire to ever watch network TV again. Your videos are not just entertaining, but afterward , reflection about what I once knew about astronomy and how each installment has furthered my understanding is so rewarding to know what I just watched was not a silly waste of time. The idea that there is a web structure that facilitates the birth of stars is valuable information to me.
He could tell u anything in that state of mind & you'd believe it. Most of this is just theories. A british accent for some reason puts many people at ease to absorb information rather than question and test it. A weakness someone in intelligence might exploit. These are way too well done to be anything less. It's what they want you to think many times with some truths thrown in. This guy wants you to think we are all a simulation inside a Boltson brain FLOATING in the universe. And that THAT is more likely than humans (or animals) evolving brains inside bodies. QUACKERY. Anything else I can't take seriously after that. It's interesting to argue with though. Amazing people don't see this channel for what it is. Entertainment but at your digression, brainwashing. Many of the answers are just God. Like the creation of the universe they can't figure out. And we know it's actually 26 B years old now. They were wrong the whole time ICYMI. Recent news. I guess guy has to update ALL of his videos now. Not much different that TV does "programming". Just be careful. Good & bad stuff in here. MOSTLY theory. God bless!
The fact that everything was created in contrast can bring solutions more rapidly by putting the pieces together. So as the coming of the Resurrection can give better understanding of new creation under construction in continuity.
This channel blows my mind my girlfriend who does like space because her former Partners didnt like or mention space yet when i played this episode without headphones she turn round sat sat down & was clued to this narrater
Clearly one of the most beautiful scientific videos ever produced! I learned more about the advances of cosmology from this video than I have any other source in the past 50 years. WELL DONE!!!
So good, I regularly pitch this channel to friends and people I meet out. Do you know how awkward it is telling people to follow a UA-cam channel? It’s that well done. Other humans should know
51.26 - also missing "Only by seeking the quietest locations will we be able to truly know the darkest times, finally shining a light on the Cosmic Dark Ages."
time dilation has always been a fascination of mine, i recently figured out a way of mapping general relativity, and it is all flat, yet curved, I separated the dimension of space and time, mapping 3D space in the dimension of time, you need to use the same logic on the earth as science has done on the observable bubble, turn it into a light cone, take its radius as the cones height and the circumference as the diameter of your tops circle, this sets your baseline gravitational cone, extend the lines to infinity and you should be able to plot any circular orbit on this and see how its time in space trades for a position in time. At rest an object is on the surface, but say there was no atmosphere and you fire a bullet on the horizon at orbital velocity, you have traded its rest point in space for an orbital point in time, as you add more speed its path across the line doesnt increase, the line gets longer and it is forced further outwards so its distance line stays in between the cone of causality... if you do not reach orbital speed then the bullet falls through the sliced layers of time until it is on the correct orbit in space, but in reality its until it is back at rest with the surface.. without collision it would find its place in orbit, so you arent feeling gravity, time is trying its best to pull you down onto the correct line in spacetime for your speed in it.. In a universe where time and space dilate so easy this is the only true constant.. an orbit will always take the same time, you always travel the same speed across the line, no matter how dilated things were, a year always seems like a year, but 1 second now is like 13 billion years happening in a second.. 13 billion years ago.. The closer you get to a black hole the more time dilates to the outside observer watching the show play out but inside things tick infinitely faster, their journey through space becomes more of a journey through time.. just like when you move from orbital lines.. you trade energy from your position in space for your position in time.. If we could go faster than the speed of light time would dilate with us, space and time in its reference frame act and feel the same, but outside it would look like space was bending and warping Gravity is an illusion of the warping of spacetime, tick rates run at the same speed around a mass in an orbital path, if this path is straight in the dimension of time, then it kind of says its flat and straight in spacetime.. 4d spacetime looks spherical and curved, but in 3d space, gravity isnt a thing.. the 4th dimension of time is what curves space.. 3D space and 4D spacetime confuse the shit out of people who are only accustomed to existing on a 2D flat surface.. with light giving confirmation bias, but at a certain point you cant use a laser to measure somethings straightness or flatness in 4D spacetime, as the laser doesnt bend with the universe in quite the same way, things with mass would follow orbits, staying flat and parallel to the surface, even if it curves with the horizon that horizon curved so it always stays flat, a bar on a bridge 99% around the earth should be ale to roll without atoms in its shape needing to deform or dislocate, spacetime did all the dislocating if the bridge stayed parallel to the ocean and if its ticks were all straight in spacetime, then it is flat in both space and time.. the bar would look like it flexed and dislocates, but it doesnt need to, spacetime is the thing bending.. not the bar.. the bar just highlights the curving, same as the planet does.. light is not only massless, its speed makes it falling into orbit impossible, but weirdly if light did have just a little bit of mass, some would get caught in orbit and you would be able to see past the curve of the horizon, seeing from LA to Paris we might all be convinced things were a lot flatter out here.. If you flatten out the dimension of time you can see gravity as the same straight lines as light, in one weird perspective its a valuable map, it could show what parts of the universe are the oldest, you could see the dilation of space and time, everywhere a second has existed another part of the universe experienced 4.. it seems to me like its been expanding for 13 billion years squared or cubed.. Science is convinced space and time are expanding, but you could put it inside a black hole, according to the cones there is a point of space at the centre of mass where the planets mass is pulling you out in equal opposite directions, the length of your orbital line at that depth would be how it would feel, relative to the surface at 1G, there is an infinitely small line at the core representing that.. the surface is where you feel the most mass blow you, you have higher gravity on mountains and lower on the ocean floor, the flerf map is a good model for a slice of the earth at ground level it maps gravity nicely.. newtonian gravity wells end here, einsteins math shows that as you go into the planet there is a point in spacetime that exists at the same dilation as if the planet wasnt even there.. of course the density and pressure down there is also something else... if you flattened things out for density, i wonder if my cone shape becomes cubic or cylindrical... if it does then if you cored a hole through a globe and mapped it on my map, id bet it shows that its not only a curved line through space and time its not even the shortest any longer.. but anyway I imagine this point could exist inside a black hole, it looks hot and small and compressed to an outside observer but inside is a tiny flat, spherical area of spacetime.. inside it seems cool to the observer, and as the black hole evaporates it cools and looks like expansion, its at a steady rate tho it looked like rapid expansion earlier in time, its just an illusion of a logarithmic curve propagating in 4d space, to an inside observer an expanding or cooling universe would look exactly the same when time dilates as things change either way.. in 4D spacetime you need 1 line of causality going out from the sun to represent the start and stop point to an orbit, if you mark that arbitrary straight line out from the sun it has one line of continuity, in a 3d world flattened out to a cone you need 2, in 2D space on a map you will see you need 4, if you look at a polar orbit each time the line changes direction is where causality bumps it from this perspective, it looks like it goes up, then left, then down then right, or vice versa, but its always doing that 360 degree journey in spacetime in 1D space you need 8 lines of causality, so it does suggest in 5D you need 0.5 lines or maybe none... but the 3D world around us is conical, not spherical. it works so nicely, flattening out those straight line orbits in space you see how it all works, your resting point when you arent moving is trying to pull you into your orbit as it should be in spacetime, so you feel gravity, if you was at the centre of the earth any mass you tossed would fly up, not down as your terminal velocity at that point in curved spacetime its much shorter of an orbit.. the cone is gravitational potential map of local spacetime, you could do this for any large body, just using its radius and circumference, even the observable universe the whole universe is all about orbital mechanics, you dont feel gravity, you feel space trying to pull you down to your stationary point in relativity. your stationary point anywhere on earth is the centre, the more speed you add the bigger your orbit, until you are at our ground level, add more speed and you end up at the space stations height... but if you started at the core all speed is orbital velocity.. the earth isnt spherical in 3D space, its flat.. its spherical when you add the 4th dimension, time.. its best to map 3D earth as cone shaped If i had a magic remote, where i could manipulate spacetime, i could pause my dilation and rewind the universe, in 13.5 billion years it all comes back to look like a singularity right in front of me, but if i didnt pause my dilation i would have shrank with the wave.. from an observers perspective I grew in the 4th dimension as time was reversed until i was larger than the observable universe and my light was red shifted to oblivion... If I simply set off now in any direction at the speed of light it would take me 135 billion light years to reach the big bang, the shorter path is that journey in 4D space, i just need to expand to travel back, or shrink to travel forward in time, once I get there i should fall onto my right orbital path for my speed in the 4th dimension, just like changing orbits is a matter of adding more energy in space to change orbital lines. it should work the same in the dimension of time. its hard to explain.... Imagine if you shrank down tho so a hydrogen atom was the size of a star, the universe outside would red shift to oblivion, it would be like time travel forward in time.. the IR lightwaves of the atom blue shifted from your perspective, it might look like a plasma ball in space rather than a collection of buckey balls around a proton.. If you was larger than a galaxy then a star would feel as warm to you as an LED light bulb.. scale and perspective seem to be everything in the universe.. there doesnt seem to be an absolute limit to things.. how do you keep cutting an atom in half, when its just a rippling wave of energy in quantum dynamics.. its just field energy... Just running on different scales and perspectives, its the same math that predicts a puddle of water evaporating and uranium decay, if you tweak C.. we use water to model supersonic air because it acts the same way... tick rates change a solid into a liquid or gas, look at the earth sped up fast enough and its surface is moving like a semi molten pool of magma
We are certainly the center of the universe!! You are special and a part of the special creation! YOU are a child of God! You have been lied to ,whether on purpose or not. You have been made to praise your creator and-have dominion over the earth. Love is the greatest
The advert at the start for talking to a therapist about existential terror is well timed. Made me laugh for the first time in a while. Right after when he said "Imagine yourself in the middle of a super-void" I though "Not again!".
One of the joys of my young adulthood was when processing power in computers established the capacity to render radio telescope images as IMAGES. It would be a culmination of that joy to live long enough to see these simple radio telescopes distributed across Icy moons to create baselines in the billions of kilometers for the resolution of objects and structures such as these reionization shells. Thank you for these videos, and for how they remind me of the excitement of childhood scientific discovery.
This series and PBS Spacetime are my goto for this type of content. If you love HOTU and need something to watch between episodes i urge you to give PBS Spacetime a watch, Mat covers a very wide range of GR and QFT topics. Love this channel and all its topics, keep up the awesome work.
No matter how many of these fantastic programs I watch it only takes 30 seconds for my brain to not understand what he is talking about😂 cosmic darkness between my ears!
What an incredible documentary. Your documentary makes me feel grateful to be alive so that I can understand some small part of the beauty and the majesty of our universe. And my appreciation for those who love our universe grows as well. The universe feels magical. Thank you.
It’s appropriate today sponsor is their service, just thinking about how insignificant we are, and how vast the universe truly is is excitingly terrifying, panic inducing at times even.
23:54 The 21cm hydrogen line is in the UHF, or ultra high frequency, range. Radio astronomers may call it the L band (for long). 'Low frequency' would be 30-300 kHz, with wavelengths of 10 to 1 kilometers, respectively. Engagement correction lol
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your content is super high quality you deserve every penny
@@reminso2952 cope
whats your guys views on DMT?
@@Brazen1234I'm a Christian with a past and honestly if I were you I'd stay away from it, just because of the spiritual realm it puts you in. The last thing anyone needs is to open doors to demonic spirits to enter their life and it doesn't matter if your Christian or not, they will come after you.
@miss_pancake miss pancake are you from the UK?
Production, narrator, script, coziness, structure broken into chapters. This is THE best channel of it's kind on the platform. Same can be said for "History of the Earth" channel, ran by, presumably the same team.
They are the Best, aren't they?
Be well!
Yes, absolutely!!! I keep rewatching it and never get tired. Well, only if I let it play before sleeptime, but then it's intentional 😅 always serves the purpose, love the voice of the narrator. The most soothing voice, could listen for eternity.
@@fjc_adventures4359 No that is History Time if I'm not mistaken. History of the earth is the same creator as this.
This group and the channel SEA are the best when it comes to long narration cosmology content on YT
@@jmarth523Isaac Arthur is also amazing but he does like very sciencey, advanced sci-fi stuff but also super nice to listen to and very interesting
This channel literally aided me in getting off of drugs. Every one of your videos is so relaxing, every time I was sick with withdrawals, these videos helped me get at least that little bit of relief.
Thank you so much
Just wanted to wish you the very best on your journey. Sending you a ton of good vibes and strength for the road ahead. Be well my friend 🙏🏻
High praise. Hope you do well brother
I only watch this channel when on drugs
So strange! Because I usually watch this when I'm coming down and it's the most relaxing and grounding/humbling thing ever.
Keep it up. Best thing you could do for yourself. Withdrawls were a bitch.
The quality of content on this channel is unbelievable. Having this for free is a gift!!! Thank you! Much love
I will never get over the fact that hubble has astigmatism and needs space engineering equivalent of corrective glasses
😂
This format has not yet hit the limit. I love how you're going deeper on topics we've briefly touched on in earlier videos. The production quality is stellar, as always too! One heck of a stack you're building, congrats on another one to you all!
Undoubtedly, the BEST channel about Universe & Space on UA-cam. 😊😊
😊😊😊 Yes!
Not the best
With this feel yes, but on the other spectrum, give Startalk a go. Very funny and informative episodes. Also love any Sean Carroll , Brian Greene, etc you know, the bunch 😊
Well ladies and gents time to drop everything for the next hour.
I know y’all hear it a lot, but this series truly is phenomenal. I so look forward to new episodes. I enjoy all the usual suspects that most of us do on UA-cam, but y’all have separated yourselves from the pack. Thank you, sincerely.
I think you mean the next few days/weeks!! And then there's CERN!
Amazing. I have a Physics PhD and every single video of this chanell left me astonished. You guys do and incredible job linking all parts of the "universe jigsaw". You do it in a very elegant manner. Your videos about the universe are the best i've ever watched. And I've watched hundreads of videos and documentaries about it. My PHD wasn't in astrophysics, but I wish it was. But being an astrophysicist in Brazil is useless. But that doesn't mean I can't study it myself. And your videos have incredible visuals. Big fan!
Can you, as a physicist, say why we tend to discuss dark matter as a fact rather than as a temporary placeholder for an explanation of observations that don't fit our current theories? I find it baffling and a bit troubling that we seem to be going to great lengths to accommodate existing theory rather than questioning the completeness or adequacy of the theory to explain gravity on the very large scale. It seems to fly in the face of the scientific method. I do value your opinion. Thanks!
@@beenaplumber8379 Well, that's actually a problem in your understanding in the matter. I used to have this same argument for dark matter. It seemed like a guess. But it goes beyond that. Let's go to the facts. First, if you look at galaxies rotation speed, you'll notice they're spinning in a velocity that would just expel stars from the galaxy if you only consider the regular matter. So, actually, there must be "some substance" that is concentrated inside the galaxy perimeter, and that "something" has to have mass, and don't interact with regular matter through electromagnetism, only through gravity. And I know, it's not enough to jump to "dark matter". But all other possible explanations just failed to explain whats going on. And then they discovered the "bullet cluster", and that just raised, by a lot, the probability that Dark matter is real
The Bullet Cluster is composed of two clusters of galaxies that collided and moved past each other, though this is not clear when viewing the region solely in visible light. Multi-wavelength observations of the Bullet Cluster provided the first strong observational evidence that dark matter does not interact with normal matter, or with itself, and holds the majority of mass in a galaxy cluster. Astronomers use visible-light images to map the location of the clusters’ mass, based on how the light of background galaxies is warped. Most of that mass is dark matter. X-rays show that the majority of normal matter, in this case gas, is in a different location than the dark matter of each cluster-it lags behind. This is because the normal matter of the two galaxy clusters collided, while the dark matter sailed through and kept going without interacting at all. Many mysteries remain as to the nature of dark matter, and the Bullet Cluster provides key evidence in the scientific investigation.
They have a good candidate for dark matter now, and they're creating experiments to verify. It's very small size and mass particles, called AXIONS.
So, just search for some video about the "bullet cluster". I'm sure it will convince you too. Have a nice day, my friend.
@@ranyeredt Ooh that is an interesting observation. The center of mass moved along a trajectory as if the clusters hadn't collided, as viewed by lensing, but the ordinary matter (seen by x-ray detection) followed the path consistent with the collision, so the visible matter and the center of gravity became measurably separated? Yeah, that's compelling all right. I'll look that up. It's hard for me to imagine some poorly understood supergalactic-scale gravitational phenomenon that could become separated from the mass it supposedly arises from. But it's also weird that dark matter can give rise to its own gravity yet not be affected by gravity.
I read somewhere that dark matter was hypothesized to interact with itself by something other than gravitation, but it seems it has to be attracted to itself at some level in order to collapse into the filaments we see. I mean, dark matter is said to have collapsed and formed structure, then ordinary matter was drawn into that structure, right? Can dark matter still have this attraction to itself, only it's weaker than gravity?
Thanks for telling me about the bullet cluster. That's putting a few of the pieces together for me!
@@beenaplumber8379 Right? I felt the same when I studied this subject. Only then, things started make sense to me.
About dark matter interacting with itself, it hapens, but only through gravity. So, it doesn't collide. Recent theories, involving Axions and quantum mechanics puts dark matter in a fluid like behavior.
I really think we're on to something.
Another theory in 2022 argumented dark matter could also interact, besides gravity, with itself, but weakly. The first step now is try to detect the Axion. Let's see...
Interesting fact. Every single thing stated in this video is science-fiction. The real Hubble is actually mounted to a 747 and the top of the plane opens up. That’s a verifiable fact. Did you know they have a so-called clone Hubble mounted inside of a jet? NASA is a fraud organization that steals $70 million a day to show you CGI renderings and fake space art. We went to the moon on a paper machete shower curtain rod spaceship? But now we can’t go back? Answer from NASA. We destroyed that technology and it’s a painful process to build it back again lol. You would either have to not know or be a clown to believe anything that comes out of their lying mouth!
First time I comment, but the narration, the quality, the visuals.. everything you guys make is spectacular. The narration is professional, easy to listen to, yet the passion for the subject is palpable, ggs guys.
graduating highschool today, this channel has got me through so much, entertained me on so many late nights and reminded me how lucky i am to get to be alive in a universe like this, it’s also reminded me that it’s all gonna be okay no matter what. thank you for your vids 🤍
Great comment!
Wishing you many good lucks 😊
Congrats 🫵🏽
The world is yours go get it!!!
Darkness and emptiness possesses light and energy, and nothing is static. In this lies hope for dark ages.
Your channel is the only one I have truly liked out of thousands I've ever visited on UA-cam since 2008. Thanks from the bottom of my heart 🙏 You manage to send us into a thinking phase and an out of the world experience !
God created the universe.
The ONLY one out of thousands? 😳 Are you sure that you're looking at the right ones?
You must truly be a joy to know.
I suggest 3Blue1Brown, Epic History TV, Great Art Explained
@@ToughCookiez Prove it.
You (and your “holy book”)are stating a claim, not fact.
If you think otherwise, consider reading the definition of the word “fact”, OR the possibility that you are part of a religious cult that doesn’t allow critical thinking.
I just would like to say, that this channel has by-far the most polite and positive vibe I have ever seen. It restores a tiny portion of hope for our species overall. Lol thanks to everyone here and for the content creator for giving us all so much knowledge, in the most enjoyable yet very much a teaching/learning content. This is my fave of all science /physics Channel. Hats off for have such a wonderful ability to let people learn in such a calming and soothing possible way!
Yes - much of the commentary on UA-cam (elsewhere) seems to have been written by subhuman youths.
I did my dissertation on this with Emma at UoN. Her book "First Light" is a fantastic read diving into the mystery of the dark ages and the problems we need to overcome to solve it. Great video!
That's fantastic! And Impressive! Thank you for sharing this. Be well 😊
No you didn't your not cool!!
@@anaryl you're *
@@bignewcombe0345 Ah but with out the affectation 'your' itself a cultural inversion of the proper spelling, how would one avoid falling victim to Poe's Law;
*puffs pipe*
So you're the ones I have to blame for my quantum-inferiority complex!!😶🌫So riddle me this: WHY?
My cat Patrick and I are going to sleep with this one from Manitoba, Canada. Hope the rest of you are just as tucked in and comforted by this as we are.
Dude I feel like I’m waiting for a new album to drop from my favorite artist It’ll take me a month to understand this video so by then there will be a new one. Love you man!
David Kelly is such a phenomenal old school oxfordian narrator. Hats off to you, sir🎩
Mr. Kelly is _the_ greatest narrator I've ever listened to.
@@artdonovandesign my top three are Sir Richard Attenborough
Mr David Kelly
Mr Morgan Freeman
Unfortunately they are a dying breed
Just wanted to thank you, again, for this channel and this magnificently produced series. Once again, I can experience the childlike wonder and awe I did as a child, when viewing the Cosmos series for the first time.
This is the single, best, most informative, interesting channel I have watched. I don't comment on anything. But this provides me with bitesize, easy to digest knowledge that I struggle to usually understand. Big thanks to the team here. I wish my skillset was more aligned with this. I would enjoy my job 😂
God created the universe.
@@ToughCookiez😂
Oh joy, I'm so happy to see this! Watching it later tonight when I'm on my own and i can fully immerse myself in it. Thank you, thank you, your channel is the absolute best! I literally love you and your team for your fascinating content. ❤❤
If you can see nothing, then it is something. We don't know what nothing is.
7:30 "Deep Field" is actually a 2D projection of a 4D image. The furthest objects are also removed from us further in time as well as in space.
And shouldn't they occupy a larger arc-area of our sky, relative to their actual size, than nearer objects because when they formed their size was relatively much larger compared to the (then smaller) universe as a whole? I know I read that somewhere about the most distant observable galaxies, but I've never seen it pointed out in an image, and the images in this vid don't seem to show it - not clearly anyway. The most distant galaxies are just clusters of pixels in these images.
Interesting fact. Every single thing stated in this video is science-fiction. The real Hubble is actually mounted to a 747 and the top of the plane opens up. That’s a verifiable fact. Did you know they have a so-called clone Hubble mounted inside of a jet? NASA is a fraud organization that steals $70 million a day to show you CGI renderings and fake space art. We went to the moon on a paper machete shower curtain rod spaceship? But now we can’t go back? Answer from NASA. We destroyed that technology and it’s a painful process to build it back again lol. You would either have to not know or be a clown to believe anything that comes out of their lying mouth!
I'm certain I've listened to this channel in my sleep 10X more than I've watched while awake. Of the awake watching, 95% is in the blissful transition that happens in between. Wouldn't have it any other way. His, is the voice that narrates my dreams.
Brainwashing you while you sleep is probably more effective for these videos made by intelligence agencies lol Brits do have relaxing voices that put normal people's minds in a relaxed state able to absorb information easily without question. Beware of that trick please. It's very real. Everyone in this world does not have your best intentions. Usually this much production has nefarious organizations behind it. JUST like television does. Question everything. Never just absorb. Especially while sleeping. It does affect you more than you realize that way.
I absolutely love these documentaries, nothing on TV or the Interweb come close to the professional level of detail and production, as well as the way its broken down into easy to understand concepts for the laymen. Can't wait for the next one.
i cant get tired of this narrator. just amazing.
This is truly an outstanding series. I’ve always had an interest in what exists beyond our planet and the science that describes our universe and this channel does an amazing job of connecting the dots of knowledge. Thank you. Looking forward to much more.
Absolutely outstanding content, produced and narrated in a way that is both comprehensive and easy to follow. Information is connected so there are no gaps in sequences, an so we don't end up with problematic holes in our understanding. This Channel produces some of the finest scientific content I've seen. Kudos to everyone that contributes to making it available. 👏
“If we were in this void, we wouldn’t have known there were other galaxies until the 1960s.” So, a forty year shake
This is what TDC and science channels used to be about. Its a shame this sort of information and science is not found on television any longer, and only seen on the internet. This channel is one of the best ive found, the wealth of knowledge within it is immense.
This was my absolute favourite episode so far, and oh boy, I watched them all at least few times.
Absolutley amazing content, as always ❤
I watched all your videos and check everyday to see if there are any new ones! The quality of content here is amazing, the way you portray it in your videos is mesmerizing, it's as if I am reading a well written book.
Once again, HoTU made my weekend!
Thank you, (and welcome) Prof. Chapman and to Mr. Kelly for yet another of the Best Science Lectures ever created.
Wow. You have already explained to me the entire history of the universe and concise clear and easy-to-understand terms incredible graphics, writing and narration there is no way you could come up with more content, much less make it anywhere near as good as what you've already done. And then you did it. Amazing I love this channel.
Who else finds it irritating virtually insulting to constantly have to hear of this incredible and interesting material as being so great to fall asleep too literally inferring that thats what its good for
Who else sleep to this?
zZzzzzz.... 😢
Makes for some awesome dreams as a bonus.
Fr 😂😂
It‘s gibi or space stuff
I do, it's so relaxing
I absolutely love this series it is fascinating. My only problem is I listen to it at night right before bed, and the voice of the narrator is so soothing I fall asleep so I have to listen to it again in the morning.
This is brilliant. It's been many years, decades perhaps since the BBC produced anything this good. I'm glad to see you've picked up the baton.
New graphics, up to date physics and information. The chasm between HOTU and all other channels is vast. But how didyou come out with a new episode so soon after the double episode? You are amazing. 💯🌃🏆
Your sponsor is the first time I have seen this type of wholesome advice. Well done!
amazing as always !, this channel is a modern day discovery channel alternative,
heck maybe even better
The further you go, the more you get mesmerized.
The more you dive deeper, the more you enlightened.
Universe is truly amazing ☺️
"OHHHHHH YEAHHHHHHHHHH!"- Best koolaid man voice. Now lets start the weekend.
Maybe kool aid should hire him
@@ChrisCohenWhy ?
Thaaats it, drink the cool aid
How about a nice Hawaiian punch? 😂🍉🍍🍊🍹
The best channel on UA-cam! How don't it is on TV like cosmos and this stuff?
Another great video, and coincidentally very timely, as i had been discussing the topic of the "origin" of the universe (and time) in recent days.
Granted, it wasn't so much a debate than it was us voicing our own opinions about it, but this video is exactly in line with my thinking.
The "nothingness" isn't really nothing, it's just not something that we can understand right now, because we haven't observed it or recognized it yet.
I'm sure that during the period of "nothingness", there are actually all kinds of particle interactions, maybe a proto-weak force acting on particles and slowly shifting/organizing them into places where chain reactions can happen, and once that happens, then it's "light's ON and away we go!".
I've always held a belief that our visibility is blocked by some kind of redshifted "wall of light", kinda like noise cancelling headphones, our "winds" and forces block some photons, making things appear dark to us, it would be cool to see if a radio telescope in space might peer through that.
Looking forward to the next video!
The fact that we can still somehow see the first lights of newformed galaxies or the first lights of the big bang shows that we're really early.
Thank you HOTU i've been playing your videos on repeat i'm so glad to have some new material
It still seems crazy that im watching this on youtube for free..excellent job guys and gals! 🙏
Imagine their religion for those who live in the void 🤔🤯
Probably not much different from us.. religion started long before astrophysics
The only part of this I truly understand is the brilliance of the scriptwriter.
Hold up, did he just make the dopest Pokémon reference ever?! “Charizard” let’s gooo
Brilliant. This channel is one of the vest best on UA-cam.
More *free* peak educational, scientific content!?! How is this allowed? Surely they have to charge for this level of quality? Right? Right??
Looking through this channels comments makes me happy because not everyone’s a piece of shit the amount of love here is amazing ❤
Absolutely love what you're doing here (even if you didn't actually tell us what is in the darkness, apart from Justin Hawkins) but keep doing what you're doing - for ever!
in the best way possible you're videos help me sleep and dream of stars
Excellent writing Emma, really wonderful work. It is so vital in these days of trash science channels.
I honestly think it was something before that. I mean really, we keep looking for beginnings and endings and perhaps there are none.
There's so many bunk channels out there making truly garbage "science content" for clicks, even downright lying, so forgive me for being a bit skeptical going into this, but you guys do really good work. It's a shame all those other channels are almost ruining it for ones like this when I come across them.
This is a popular demonstration of a history of all our universe, but supposing all our universe broke out at one point as a transformation of the primal Yelm (Gramov's Big Bang, ) this was our place in space. As we look out upon it, what we see will tend to be as old as we are. Even if we are traveling at c, the oldest we see will be pretty much what was to be seen when our dispersion hit the relative c.
That is, by the time consciousness arose, we would not see the original Big Bang. Nobody believes this. The cosmic background could be merely local black body radiation. Certainly local black body radiation must be a component of the background static..
Why does nobody believe this? Astronomers believe odder things.
BW
I'm not a licensed therapist but I do love this channel
I’ve heard BetterHelp is problematic.
I had a good experience
@@cinimaticsNot trying to minimize your experience but that seems to be the exception. Unlicensed
Practitioners; Selling your data as a medical institution and such. And to be very fair no one should pay At the point of service for therapy, They should be asking for your insurance/medical card not your debit.
It is
It's quite easy to fake or overlook info online, and even irl you should always thoroughly check psychologists you choose to work with. Some don't even have degrees but rather courses. Please beware of sites like better help.
This channel is wonderful, I hope they find a more reliable sponsor, they deserve it
The music, the narration, the pictures, the story told, I am severely impressed how well these documentaries are done.
Somewhere between perfect for relaxing to sleep and not being able to sleep because I want to hear and see more :D
Dumb idea here, but if things exist that we know cannot exist due to the age we think the universe is, then the age we think is wrong.
Or, the math is wrong on the distances/time.
How much I enjoy listening and watching your videos! Great quality production
Thank you for this series. I have NO desire to ever watch network TV again. Your videos are not just entertaining, but afterward , reflection about what I once knew about astronomy and how each installment has furthered my understanding is so rewarding to know what I just watched was not a silly waste of time. The idea that there is a web structure that facilitates the birth of stars is valuable information to me.
He could tell u anything in that state of mind & you'd believe it. Most of this is just theories. A british accent for some reason puts many people at ease to absorb information rather than question and test it. A weakness someone in intelligence might exploit. These are way too well done to be anything less. It's what they want you to think many times with some truths thrown in. This guy wants you to think we are all a simulation inside a Boltson brain FLOATING in the universe. And that THAT is more likely than humans (or animals) evolving brains inside bodies. QUACKERY. Anything else I can't take seriously after that. It's interesting to argue with though. Amazing people don't see this channel for what it is. Entertainment but at your digression, brainwashing. Many of the answers are just God. Like the creation of the universe they can't figure out. And we know it's actually 26 B years old now. They were wrong the whole time ICYMI. Recent news. I guess guy has to update ALL of his videos now. Not much different that TV does "programming". Just be careful. Good & bad stuff in here. MOSTLY theory. God bless!
The fact that everything was created in contrast can bring solutions more rapidly by putting the pieces together. So as the coming of the Resurrection can give better understanding of new creation under construction in continuity.
Easy to listen and explained well classroom experience. Production quality is good with detailed illustrations . ❤❤
Idk how this channel doesn't have over a million subs I really don't know
This channel blows my mind my girlfriend who does like space because her former Partners didnt like or mention space yet when i played this episode without headphones she turn round sat sat down & was clued to this narrater
Probably the 25th time I've watched this never gets old man keep these videos comin
I can't wait till tonight! Going to listen the guts out of this!!!!
Clearly one of the most beautiful scientific videos ever produced! I learned more about the advances of cosmology from this video than I have any other source in the past 50 years. WELL DONE!!!
another brilliant doc thanks i will deffo watch it 1000 times
So good, I regularly pitch this channel to friends and people I meet out. Do you know how awkward it is telling people to follow a UA-cam channel? It’s that well done. Other humans should know
51.26 - also missing "Only by seeking the quietest locations will we be able to truly know the darkest times, finally shining a light on the Cosmic Dark Ages."
Perfect timing, was just about to start my nap!
Can't wait to watch this 10 times
time dilation has always been a fascination of mine, i recently figured out a way of mapping general relativity, and it is all flat, yet curved, I separated the dimension of space and time, mapping 3D space in the dimension of time, you need to use the same logic on the earth as science has done on the observable bubble, turn it into a light cone, take its radius as the cones height and the circumference as the diameter of your tops circle, this sets your baseline gravitational cone, extend the lines to infinity and you should be able to plot any circular orbit on this and see how its time in space trades for a position in time.
At rest an object is on the surface, but say there was no atmosphere and you fire a bullet on the horizon at orbital velocity, you have traded its rest point in space for an orbital point in time, as you add more speed its path across the line doesnt increase, the line gets longer and it is forced further outwards so its distance line stays in between the cone of causality... if you do not reach orbital speed then the bullet falls through the sliced layers of time until it is on the correct orbit in space, but in reality its until it is back at rest with the surface.. without collision it would find its place in orbit, so you arent feeling gravity, time is trying its best to pull you down onto the correct line in spacetime for your speed in it..
In a universe where time and space dilate so easy this is the only true constant.. an orbit will always take the same time, you always travel the same speed across the line, no matter how dilated things were, a year always seems like a year, but 1 second now is like 13 billion years happening in a second.. 13 billion years ago.. The closer you get to a black hole the more time dilates to the outside observer watching the show play out but inside things tick infinitely faster, their journey through space becomes more of a journey through time.. just like when you move from orbital lines.. you trade energy from your position in space for your position in time.. If we could go faster than the speed of light time would dilate with us, space and time in its reference frame act and feel the same, but outside it would look like space was bending and warping
Gravity is an illusion of the warping of spacetime, tick rates run at the same speed around a mass in an orbital path, if this path is straight in the dimension of time, then it kind of says its flat and straight in spacetime.. 4d spacetime looks spherical and curved, but in 3d space, gravity isnt a thing.. the 4th dimension of time is what curves space.. 3D space and 4D spacetime confuse the shit out of people who are only accustomed to existing on a 2D flat surface.. with light giving confirmation bias, but at a certain point you cant use a laser to measure somethings straightness or flatness in 4D spacetime, as the laser doesnt bend with the universe in quite the same way, things with mass would follow orbits, staying flat and parallel to the surface, even if it curves with the horizon that horizon curved so it always stays flat, a bar on a bridge 99% around the earth should be ale to roll without atoms in its shape needing to deform or dislocate, spacetime did all the dislocating if the bridge stayed parallel to the ocean and if its ticks were all straight in spacetime, then it is flat in both space and time.. the bar would look like it flexed and dislocates, but it doesnt need to, spacetime is the thing bending.. not the bar.. the bar just highlights the curving, same as the planet does..
light is not only massless, its speed makes it falling into orbit impossible, but weirdly if light did have just a little bit of mass, some would get caught in orbit and you would be able to see past the curve of the horizon, seeing from LA to Paris we might all be convinced things were a lot flatter out here..
If you flatten out the dimension of time you can see gravity as the same straight lines as light, in one weird perspective its a valuable map, it could show what parts of the universe are the oldest, you could see the dilation of space and time, everywhere a second has existed another part of the universe experienced 4.. it seems to me like its been expanding for 13 billion years squared or cubed..
Science is convinced space and time are expanding, but you could put it inside a black hole, according to the cones there is a point of space at the centre of mass where the planets mass is pulling you out in equal opposite directions, the length of your orbital line at that depth would be how it would feel, relative to the surface at 1G, there is an infinitely small line at the core representing that..
the surface is where you feel the most mass blow you, you have higher gravity on mountains and lower on the ocean floor, the flerf map is a good model for a slice of the earth at ground level it maps gravity nicely.. newtonian gravity wells end here, einsteins math shows that as you go into the planet there is a point in spacetime that exists at the same dilation as if the planet wasnt even there.. of course the density and pressure down there is also something else... if you flattened things out for density, i wonder if my cone shape becomes cubic or cylindrical... if it does then if you cored a hole through a globe and mapped it on my map, id bet it shows that its not only a curved line through space and time its not even the shortest any longer.. but anyway
I imagine this point could exist inside a black hole, it looks hot and small and compressed to an outside observer but inside is a tiny flat, spherical area of spacetime.. inside it seems cool to the observer, and as the black hole evaporates it cools and looks like expansion, its at a steady rate tho it looked like rapid expansion earlier in time, its just an illusion of a logarithmic curve propagating in 4d space, to an inside observer an expanding or cooling universe would look exactly the same when time dilates as things change either way..
in 4D spacetime you need 1 line of causality going out from the sun to represent the start and stop point to an orbit, if you mark that arbitrary straight line out from the sun it has one line of continuity, in a 3d world flattened out to a cone you need 2, in 2D space on a map you will see you need 4, if you look at a polar orbit each time the line changes direction is where causality bumps it from this perspective, it looks like it goes up, then left, then down then right, or vice versa, but its always doing that 360 degree journey in spacetime in 1D space you need 8 lines of causality, so it does suggest in 5D you need 0.5 lines or maybe none... but the 3D world around us is conical, not spherical. it works so nicely, flattening out those straight line orbits in space you see how it all works, your resting point when you arent moving is trying to pull you into your orbit as it should be in spacetime, so you feel gravity, if you was at the centre of the earth any mass you tossed would fly up, not down as your terminal velocity at that point in curved spacetime its much shorter of an orbit.. the cone is gravitational potential map of local spacetime, you could do this for any large body, just using its radius and circumference, even the observable universe
the whole universe is all about orbital mechanics, you dont feel gravity, you feel space trying to pull you down to your stationary point in relativity. your stationary point anywhere on earth is the centre, the more speed you add the bigger your orbit, until you are at our ground level, add more speed and you end up at the space stations height... but if you started at the core all speed is orbital velocity.. the earth isnt spherical in 3D space, its flat.. its spherical when you add the 4th dimension, time.. its best to map 3D earth as cone shaped
If i had a magic remote, where i could manipulate spacetime, i could pause my dilation and rewind the universe, in 13.5 billion years it all comes back to look like a singularity right in front of me, but if i didnt pause my dilation i would have shrank with the wave.. from an observers perspective I grew in the 4th dimension as time was reversed until i was larger than the observable universe and my light was red shifted to oblivion... If I simply set off now in any direction at the speed of light it would take me 135 billion light years to reach the big bang, the shorter path is that journey in 4D space, i just need to expand to travel back, or shrink to travel forward in time, once I get there i should fall onto my right orbital path for my speed in the 4th dimension, just like changing orbits is a matter of adding more energy in space to change orbital lines. it should work the same in the dimension of time. its hard to explain....
Imagine if you shrank down tho so a hydrogen atom was the size of a star, the universe outside would red shift to oblivion, it would be like time travel forward in time.. the IR lightwaves of the atom blue shifted from your perspective, it might look like a plasma ball in space rather than a collection of buckey balls around a proton.. If you was larger than a galaxy then a star would feel as warm to you as an LED light bulb.. scale and perspective seem to be everything in the universe.. there doesnt seem to be an absolute limit to things.. how do you keep cutting an atom in half, when its just a rippling wave of energy in quantum dynamics.. its just field energy... Just running on different scales and perspectives, its the same math that predicts a puddle of water evaporating and uranium decay, if you tweak C.. we use water to model supersonic air because it acts the same way... tick rates change a solid into a liquid or gas, look at the earth sped up fast enough and its surface is moving like a semi molten pool of magma
We are certainly the center of the universe!! You are special and a part of the special creation! YOU are a child of God! You have been lied to ,whether on purpose or not. You have been made to praise your creator and-have dominion over the earth. Love is the greatest
this is one of the 2 channels I genuinely look forward to. thank you
Honey wake up, new HOTU just dropped!!!
A visual and narrative poetic journey into our world. Love it.
Best channel on UA-cam by far
I’m like five mins in this and stuck I love you guys for doing this
HotU, have you considered publishing the audio tracks from your videos as-is as audiobooks?
Kinda wild to me this is free. Kudos to the developers of this channel. Amazing quality, especially now that UA-cam is now diluted
The advert at the start for talking to a therapist about existential terror is well timed. Made me laugh for the first time in a while. Right after when he said "Imagine yourself in the middle of a super-void" I though "Not again!".
One of the joys of my young adulthood was when processing power in computers established the capacity to render radio telescope images as IMAGES. It would be a culmination of that joy to live long enough to see these simple radio telescopes distributed across Icy moons to create baselines in the billions of kilometers for the resolution of objects and structures such as these reionization shells.
Thank you for these videos, and for how they remind me of the excitement of childhood scientific discovery.
I’m super thankful for the charizard cameo 😉
i have never been so amazed by the quality of a youtube video, keep up the good work!
This series and PBS Spacetime are my goto for this type of content. If you love HOTU and need something to watch between episodes i urge you to give PBS Spacetime a watch, Mat covers a very wide range of GR and QFT topics. Love this channel and all its topics, keep up the awesome work.
One little speck! You have soooooooooooooo much space to look at!!
No matter how many of these fantastic programs I watch it only takes 30 seconds for my brain to not understand what he is talking about😂 cosmic darkness between my ears!
If there were a billion likes. I would hit them for you. Congratulations you are one of the reasons why the internet should not be shut down.
What an incredible documentary. Your documentary makes me feel grateful to be alive so that I can understand some small part of the beauty and the majesty of our universe. And my appreciation for those who love our universe grows as well. The universe feels magical. Thank you.
thxx for the free high quality videos every month
I don’t have to close my eyes or imagine myself in a void when I live in one everyday
It’s appropriate today sponsor is their service, just thinking about how insignificant we are, and how vast the universe truly is is excitingly terrifying, panic inducing at times even.
23:54 The 21cm hydrogen line is in the UHF, or ultra high frequency, range. Radio astronomers may call it the L band (for long). 'Low frequency' would be 30-300 kHz, with wavelengths of 10 to 1 kilometers, respectively. Engagement correction lol
Learned and re-learned so much here, many thanks.
"Close your eyes" as I'm driving on the freeway... Okay!