Our universe keeps expanding. But why? | Lee Cronin

[@pcbacklash_3261]

Scanning through the comments below, I'm somewhat taken aback by how many people are criticizing the speaker for not being an expert in the fields of cosmology or theoretical physics. I find this not only disappointing, but actually counterproductive. I believe the primary reason physics currently seems to be in such a rut is that experts have let their focus be constrained by the mathematical mechanics of their profession, which confines them to a narrow track of theoretical possibilities. They're like cars on a slotted toy racetrack, which can only go round and round, never deviating from their course. I propose that what we actually need is a WIDER variety of scientific approaches to these questions. The longer I watch the struggle over this question, the more convinced I'm becoming that, ultimately, the next big answer will come from someone thinking OUTSIDE the box -- just as Einstein did.

[@axle.student]

From my perspective I would agree and offer validation for this. When you look at it all through the lens of multiple disciplines the problems become clearer and easier to define. At a minimum, you need a sound understanding of physics, as well as the human sciences with emphasis upon philosophy (or mind) and Psychology (Cognitive). The human sciences help to remove the bias of the subjective human mind away from the natural universe. The universe is not the problem, it is only how we attempt to create the biological human version of it that becomes the problem.

[@julioivansalazar9853]

Serious research have formally demonstrated that Assembly Theory (AT) closely mirrors established theories like Shannon entropy and LZ compression, yet fails to cite them properly; moreover, it is fundamentally wrong and intrinsically fails to do what their authors claim it to do (ie., AT is not only a concerning form of plagiarism, bur fundamentally flawed; while it claims to explain almost everything, ends up explaining actually nothing). As a result, AT is actually a weaker version of these well-known concepts, raising concerns about its novelty and scientific significance. Relevant material includes a paper in npj Systems Biology and Applications ("On the salient limitations of Assembly Theory"), "Assembly Theory is a weak version of algorithmic complexity based on LZ compression that does not explain or quantify selection or evolution", "Assembly Theory Reduced to Shannon Entropy and Rendered Redundant by Naive Statistical Algorithms", and blog posts by Dr. Hector Zenil, who argues that AT undermines scientific integrity through misleading claims.

[@NYN_000]

Answer: "We don't know!"

[@radupopescu9977]

We aren't even 100% it is expanding!

[@50-50_Grind]

And that's OK. Being able to say "I don't know" is a sign of mental maturity.

[@SimonGeraedts]

Life causes the expansion of the universe? 🤔 That doesn't sound very plausible.

[@Fosk99]

My personal speculation is time exists as long as there's a life that could live through it. Without life experiencing spacetime there's not Universe, Big Bang, Big Crunch or stuff like that. We are the universe itself, so since life lives, the universe has to expand!

[@jcs1025]

‘We don’t know’ is an OK answer. It just means we have so much more to learn.

[@DuongBichMai]

read the forbidden book Magnetic Aura on Borlest, and you'll see the secrets they're keeping from us.

[@madhatter113]

Does the universe expand by creating new space or by stretching existing space? If by stretching, will it ever rip apart or explode?

[@CodMan951]

I'm always interested in hearing peoples theories about space. However, I think current science has barely scratched the surface of this topic and there is a lot to learn.

[@allengreg5447]

I wasn't aware this is considered a problem.

[@DCDevTanelorn]

The last three sentences of this interview are all you need to hear

[@mrtienphysics666]

the last three words in fact

[@WhiteMouse77]

I was thinking which movie re-warch after some time... Thank you advising Lucy...👍 Good tip!

[@yashwantkumarjoshi4174]

As far as time is concerned it is almost difficult to calculate it's precise begining, let's take it infinity , or keep it constant. It is that for our event our time started at some point of time. Space may also have two aspects, one, space which is infinite and another the calculable space which started at the initiation of our event. The space which is expanding may be limited to our beginning of universe. This expansion may have a set formula but in infinite space other events may be taken or taking place. Therefore there could be a " Mega Theory" to understand the solve the mystery of universe.

[@AANasseh]

Sorry but this is a good example of ad hoc Reasoning or ad hoc hypothesis, where the terms are unfalsifiable, its riddled with presuppositions, and the reasoning is designed merely to fit the problem at hand. Sokol would have probably called this post modernists thought at the podium and included it in his book Fashionable Non-sense! Time and LIfe's connection is only through the phenomenon of memory. Change in the Universe is independent of memory but only observed and recorded by conscious minds. Consciousness and memory gives rise to this definition of time, which is merely observable change, but change itself, regardless of observation source, is occurring independent of conscious beings, even Barkley confessed that even though the tree in the forrest that fell without an observer may not have made a "sound" it still fell nevertheless!

[@rogerchase8199]

We need more minds like this

[@KaiseruSoze]

The size of the universe is one universe big - or small. Why? because a reference length is a length. And it is an arbitrary choice.

[@Hingofrege]

To begin with, in modern physics it is not even clear what time exactly is, for example I like the idea that time does not exist, the physicist Carlo Rovelli wrote a very interesting book about it.

[@fburton8]

Ripe for a New Scientist article - they like stuff like this!

[@namigyusifli3441]

There is ayat in Holly Kooran that mentions about expanding of Universe...Allah says that we created universe and had been expanding it (Surah adh Dhariat 47).

[@sooraj1104]

Earth is flat in your Quran.

[@MichaelSway-h7l]

Because energy exists. Energy is constant flow and expansion.

[@mahfuzahmed9472]

Why? Because the Universe has the right to expand

[@WhiteMouse77]

😄 right? Right Is man made concept to organise society... And Universe doesn't give a $h!t about humans..

[@happykillmore349]

British people can make "I don't have a clue." sound informed.

[@kastenolsen9577]

Though experiment. Place yourself at the edge of the observable universe and ask yourself what you see and how fast you are moving relative to earth. You see a new part of the universe you cannot see from Earth and you are moving close to the speed of light relative to earth. Now, do this again and ask the same questions. You are now in a "new" observable universe moving faster than the speed of light. Do this a trillion times and ask yourself the same questions. Just how big is our universe and is the speed of light the "speed limit" of how fast we can travel?

[@KaiseruSoze]

How big is the universe? 1 universe big.

[@axle.student]

Your thought experiment is valid (ultimately your conclusions may be incorrect, but the though/question is valid) and will lead into better understanding. "Just how big is our universe and is the speed of light the "speed limit" of how fast we can travel?" The difficult part is, we are not actually moving, space is. Weird concept I know :) that's not meaning to say we are not also slowly moving around in that space. In relativity an apple doesn't fall to the ground, Space is moving toward the ground and the apple moves with space. In effect earth accelerates out toward space to meet the apple, but the apple hasn't moved. > This is a somewhat subjective theory thats related to inflation and can have similarities to expansion. The difference between Inflation and expansion are not very well defined (theory). The problem to overcome (if that is even possible) is the slow speed of light (at a cosmic scale). A 3D universe can exist in the now moment but nothing in the universe has a universe wide knowledge of that "Now" 3D moment. We, and all other objects in the universe are restricted to a universe measured in distance/time and the measurement of time is constrained by the limited speed of 'c'. Everything is measured in m/s distance/time. There is no true distance in meters alone to the tree that you are looking at as an observer, it is always m/s second away and in the past. And the invisible time blur (like motion blur) becomes more pronounced the further the photons have traveled to you position. The photons don't exceed the speed of 'c', but the distance that they have to travel can expand making their total journey longer, so you will never see beyond the event horizon. Ultimately the event horizon is expanding and the object in an expanding universe may be expanding faster and moving out of that event horizon. if the universe continues expanding we will never see the objects that have moved beyond. If the universe stops expanding then eventually those photons my reach us in the future. > When we think about an actually static moment in time (universe wide 3D) such as the CMB the rules for viewing that change just a little because we are now seeing another event horizon (boundary), mixed in with the m/s event horizon and that can feel very distorted to think about :)

[@axle.student]

@@noelwass4738 Disclaimer: I am not a physicist, just very well studied. > The section I mentioned on Earth under constant acceleration toward the apple (The gravity concept) is in some sense the reverse of Newtonian mechanics, and is found in General Relativity GR. The equivalence principle gravity = acceleration exist across both GR as SR. SR is more orientated toward "flat space" without large objects of gravity. > Event horizons (boundaries conditions) are many and occur in a numerous range of forms; Past light cones and future light cones with regard to that m/s measurements of all things where the slow speed of a photon (or any other object) limits us to a boundary that slopes out in space and back in time. The CMB and theoretical Big bang (A point in "Time" not in space) is an event horizon in time, then we have black holes which appear to create a point in space (singularity) but also a boundary in space and time at the event horizon. This concept of singularities (infinitely small points) as well as expanding spherical shells (event horizons) also occurs at the individual particle level, where everything has a moment to moment abstract expanding spherical future reach of influence, and a contracting past sphere of it's journey to that point. The bubble tends to be smaller for objects of mass and the most significant (larger) for the traveling photons and other massless particles, although large objects of mass tend to warp the size of that bubbles space/time bubble/cone. Imagine the satellite orbiting the Earth that "always travels in a straight line through space" according to GR. > It's fascinating stuff but also full of "gotchas" especially at event horizons or boundaries :)

[@axle.student]

@@noelwass4738 From what you have just said you appear to have a good view into some of the math and geometry :) Minkowski style light cones are a 2D like depiction of 4D space/time. If we imagine a a flash of light, it is moving outward in ALL directions in 3D space at the speed of light like a wave front or the shell of an expanding sphere. The sphere (shell) is also moving in the direction of time at a default value of 'c' (unless it has mass). The time direction is given a pseudo space like direction, so we get the x, y, z +ct, space+time. If you imagine the sphere expanding in steps along a straight time line the outer edges begin to form a cone like shape. Light cones are 2D depictions (slices) of 4D spheres. 4D concepts are very difficult to build in our mind. It creates a kind of weird blur or distortion due to the time line and latency in things such as light moving from one place to another. It's like motion blur, but it's time blur. You can reconstruct how we as humans "actually" view the 4D world out there using a snapshot from a 2D camera. or essentially recreate this idea of light cones or spheres. Most days I conceptually see everything in 4D.

[@axle.student]

@@noelwass4738 P.S. thank you. I do enjoy discussions like this. I have my own views that deviate a little from the text books, but I have tried to stay close to the text book descriptions and keep my personal views to the side.

[@tillschuttert7403]

Great creativity and novel thinking! I mean my intuition is vomiting, but it seems to be a scientific hypothesis. More thoughts: My hunch is that it will fail to coherence/consistency with already gathered data. One would need just a single clear counter example: Perhaps a location where space is not expanding even though life is present or some other relevant "selection process". By the way, that would be a very unusual but interesting metaphysical relationship: Why would such an abstract process be connected to such a mysterious other phenomenon that seems to be (physically speaking) on whole different level of analysis? The cause-effect relation would be a little awkward I think. Which kind of entities would need to exist that could connect both processes? Usually, most physical entities or forces have a limited area of significant influence. For example and maybe not that unrelatedly: Primary drivers of life--like cells--are not that much influenced by gravity or other large-scale properties like expansion of galaxies. Should we assume now that the biological process of idk making calcium for cell-walls or bonemarrow is now responsible and connected to the expansion of the universe? Well it surely is not prima facie plausible how that might work.

[@chrisgraham6745]

The Fine.Structure Constant is to be realized not solved.

[@mschlund1]

More and more of us want off Earth?

[@WhiteMouse77]

..and how to get on Pandora And convert into Nuvi....🧞

[@Axle911]

As a kid I used to think about this stuff so hard it made me want to throw up, very susceptible to cosmic horror apparently

[@dannycolorado5875]

Lol....I know the feeling...🤗

[@edwardgrigoryan3982]

I will gladly accept his offer and accept his interpretation as nonsensical. It truly is.

[@mikeoxsbigg1]

The equal but opposite reaction to zero point energy?

[@WhiteMouse77]

Absolute nothing is the most unstable occurence (because it has nothing to balance with to co-exist = core of anti-energy) in any non-universe therefore it immediately expands into another BigBang in reaction to balance with pro-energy creating Universe...

[@thisiszaphod]

Devil's advocate. Why does everything within the Universe keep shrinking?

[@mohamedali2858]

Contraction is against the nature of the universe.

[@mr.rangatang3901]

Inflation

[@thisiszaphod]

Black Holes?

[@WhiteMouse77]

It's not everything... just your brain...😊

[@thisiszaphod]

@@WhiteMouse77 - well done you.

[@brothermine2292]

Thumbs down for having a chemistry professor bloviate about a subject that other people are much more qualified to discuss.

[@KaiseruSoze]

Or much less qualified ;)

[@Buddhavibez]

😂

[@yashwantkumarjoshi4174]

I differ from your view. The professor is right in his way. There is no single gate to enter into to solve the mystery of universe. All dimensions has to be addressed. Some dimensions we know and some dimensions are still not reached.

[@brothermine2292]

>yashwantkumarjoshi4174 : What do you mean by "right in his way"? And what makes you think he's right to define "life" as systems that construct structures that are more complex than his ad hoc threshold?

[@yashwantkumarjoshi4174]

@@brothermine2292 Right means to welcome his views. Right also means that there are some set patterns that is at quantum level. These memory based patterns may create systems. Even life systems . Our thinking follows a pattern, our logics follow a pattern and we have a fix scientific methodology to understand these patterns. Isn't it.

[@axle.student]

Title: Is it Expanding Inflation, or Inflating Expansion? > 0:48 I was viciously raged off of YT for suggestion a primal inflation of time. The more deeply I look, and the more "Professionals" I hear speak, the more I realize that no one has any well defined concept of either Time or Space. Which makes Relativity an ambiguous fruit salad (Sorry to any of the evangelists of the physics scriptures that get triggered by that). > 1:47 I have already explained this concept in detail. It's not difficult to put the concept together. What is Time is the central question and you have 2 primary choices. Try each different concept of time and look at the difference through the lens of Relativity SR (if you can) and you will find the very paradoxes that keep popping up at the extreme boundaries of relativity. It's difficult to do, and even more difficult to see as a human, but if your reconstruct the basics of light cones (correctly as spheres) ++ (Minkowski space) from each different concept of time you will find that both (very different concepts) look almost identical. Almost. > 2:51 The emergence of complexity where the complexity is "More" than the sum of it's individual parts. From this you in some sense create something from nothing. The "more" emerges, it doesn't come directly from the individual parts. Is the properties of water nothing more than the sum of the properties of H and and the properties of O, or has and additional set of properties (more than the sum) emerged. If you really stretch this concept out you can conceptually create a universe from nothing with 2 primary components, 2 primary drivers rather than 2 physical objects. A universe that is bounded by an event horizon expanding at 'c' toward an infinity. Everything else emerges from the potential (vacuum) left in the wake of the event horizon.

[@Av-vd3wk]

Expanding INTO WHAT???

[@saralamuni]

not(universe)

[@WhiteMouse77]

...into Big Crunch ripping the last smalest particle back to nothing...

[@axle.student]

In this context it doesn't expand into anything or any medium. Nothing exist outside of the universe. It only expands from the inside view.

[@tedyshor]

Are we the aftermath of the collision between light and darkness? 🦧

[@gumbypokey]

Expanding into what/where?!!....

[@axle.student]

In this context it doesn't expand into anything or any medium. Nothing exists outside of the universe. It only expands from the inside view.

[@Apeiron242]

Why are you asking us?

[@globalislamicreminders]

What jiberish is he talking about

[@knoslo2058]

Follow the money.

[@aracoixo3288]

🎈

[@radupopescu9977]

I challenge the expansion of Universe (as time space all together), because there are alternative explanations, which can also can be challenged, I agree... but expansion of the Universe is only one way to see things. The evidences can be interpreted in many different ways!. Regarding time reversal it's not possible in this time space continuum, because time measure change. And any trying to undone changes represent a new change. If you have interesting evidence of Universe expansion (other then red shift, because there also galaxies that are blue shifted, such as Andromeda), please give the link(s).

[@gt-gu7rb]

So then, you don't know.

[@HồHoàngNhung]

the book that changed everything for me was Magnetic Aura from Borlest

[@mrtienphysics666]

Is he a cosmologist?

[@invox9490]

I stopped when he said physics already proved it wrong, but "he liked the idea". 🙄

[@chrisgraham6745]

What's rhyms with Easter...

[@GGoAwayy]

keister 🍑

[@chrisgraham6745]

Eather

[@robertdouglas8895]

The universe is a temporary illusion that puts on a show of being eternal.

[@WhiteMouse77]

The question iiisss... Why the heck you are part of that illusion? 🤔...a glitch?

[@robertdouglas8895]

@@WhiteMouse77 I lost my way like the rest of us and we chose this place because we wanted to be special instead of in a true existence that was all the same. Do you know how to get back home?

[@smelkus]

It's parsley causing the universe to expand

[@johannnyborg3998]

It is because that the knee our universe is in is bending. Just wait till she get on the other foot.

[@warrentrout]

Yes, it sounds nonsensical

[@chrisgraham6745]

Omnipresent

[@CindaDoanTrang]

guys just read ebook magnetic aura from borlest and you'll never need to watch these videos again

[@ThaoquyenMeow]

there's a banned book called Magnetic Aura from Borlest that talks about powerful methods to increase attraction, it's the real deal

[@aracoixo3288]

☠️

[@JR_piano]

Modern physics leave us with much more questions than certainties (in fact, there are none of these)

[@chrisgraham6745]

HAVE YOU EVER CONSIDERED WE ARE VERY VERY TINY

[@aracoixo3288]

🤑🪙

[@belmiris1371]

This sounds like poop.

[@JasonMercurymessenger]

The big bang is incorrect. "The space between" is increasing, the energy or vibration forming bonds has changed. This higgs field and electrical energy, is the electron in it's low energy state, the buildings blocks of the holographic and physical realities. It's conscious electrical energy in an out of balance system based on biomass. It's actually a carrier wave as well, that we're misusing and taking for granted. The electromagnetic spectrum is wrong, it's the magnetic spectrum. Magnetism and electrical energy are wholly misunderstood and being misused and taken for granted..

[@highstax_xylophones]

Solopsism

[@tomostinato2918]

WTF is he on??

[@bensonic6881]

Pathetic nonsense.

[@chrisgraham6745]

All Roads lead back to Jesus.

[@pcbacklash_3261]

Actually, no. Physics -- the study of the ACTUAL, natural world -- has nothing to do with the icon of one of the world's many religions.

[@joeshmoe2998]

First?

[@probabilitiesdontdefineyou]

Damn.

[@RicardoMorenoAlmeida]

Or maybe, and this might just be me, LEAVE THE FUCKING PHYSICS TO THE PHYSICISTS????

[@pcbacklash_3261]

What...We're not allowed to discuss topics in which we're not experts? That would pretty much kill social media, would it not?

[@michaelbartlett6864]

The universe is NOT expanding!

[@dennistucker1153]

Is it just me? But most of the things Lee is talking about here sounds really stupid,

[@chrisgraham6745]

One parsec 3.26 light years x 6700000mph is an Easter Date. Love Easter

[@chrisgraham6745]

Just so you know there are 137720 words in the new testament. One God over 137. Universe 13.7 billion years old in distance not time. 186000-26%= 137640.

[@chrisgraham6745]

Read the bible one line at a time from an omniperspective. You will find it's far more than you can imagine.

[@mohamedali2858]

This is a Quranic verse that was revealed 1400 years ago.👇👇 47 And the universe We constructed it with power, and We are surely expanding it.[ Surah: Adh-Dhäriyāt ]

[@Mr-S.p.o.c.k]

Your point is intriguing, but let us analyze it with a logical approach. The assertion that the Quranic verse about the universe's expansion aligns with modern cosmology is problematic. The concept of an expanding universe was not established until the 20th century, notably by Edwin Hubble's observations. Ancient texts, including the Quran, were formulated without knowledge of such scientific principles. The language of religious texts is often metaphorical and open to interpretation, making it susceptible to retrospective alignment with modern science. The verse in question, while it might seem to resonate with contemporary scientific ideas, was not framed with empirical evidence or scientific methodology in mind. Thus, interpreting this verse through the lens of modern cosmology does not constitute proof of prophetic scientific knowledge but rather reflects an attempt to reconcile ancient texts with current scientific understanding. Such interpretations should be approached with the recognition that they may not represent the original intent or knowledge of the time.🖖🖖

[@mohamedali2858]

@@Mr-S.p.o.c.k The Holy Quran is a heavenly religious book, revealed by God Almighty to His Prophet, may God bless him and grant him peace, to convey to people the message of faith and monotheism. In addition to being a divine message to the worlds, it is also considered an eternal miracle in all its linguistic, scientific, and religious aspects... The Prophet, may God bless him and grant him peace, used it to call people and guide them to the Islamic religion. The Holy Quran is therefore a book that contains between its covers different and new facts that differ in concept from everything that the worlds knew at that time. It, the Holy Qur’an, is in fact a book of guidance. God Almighty says: “Indeed, this Qur’an guides to that which is most upright and gives good tidings to the believers who do righteous deeds that they will have a great reward.” (9) Guidance here is not limited to spiritual guidance only, but rather extends beyond that to include guiding the human mind to discover what helps the person (the one charged) to perform his mission (the succession of the earth and its development) in the best way. It is a book of spiritual guidance in that it indicates the truth of God’s existence, and corrects the corrupt beliefs that have spread among people about the idea of “God,” whether it is a pagan, polytheistic image, or a distorted image…, and about the idea of “existence” and the beginning of creation, and the idea of “the universe” and the nature of man’s relationship with it, and the idea of “the unseen, resurrection, and the Last Day.” So its vision of the Creator, existence, and the universe is a distinct vision.🧐

[@mohamedali2858]

@@Mr-S.p.o.c.k The Holy Quran is a heavenly religious book, revealed by God Almighty to His Prophet, may God bless him and grant him peace, to convey to people the message of faith and monotheism. In addition to being a divine message to the worlds, it is also considered an eternal miracle in all its linguistic, scientific, and religious aspects... The Prophet, may God bless him and grant him peace, used it to call people and guide them to the Islamic religion. The Holy Quran is therefore a book that contains between its covers different and new facts that differ in concept from everything that the worlds knew at that time. It, the Holy Qur’an, is in fact a book of guidance. God Almighty says: “Indeed, this Qur’an guides to that which is most upright and gives good tidings to the believers who do righteous deeds that they will have a great reward.” (9) Guidance here is not limited to spiritual guidance only, but rather extends beyond that to include guiding the human mind to discover what helps the person (the one charged) to perform his mission (the succession of the earth and its development) in the best way.

[@mohamedali2858]

@@Mr-S.p.o.c.k The Holy Quran is a heavenly religious book, revealed by God Almighty to His Prophet, may God bless him and grant him peace, to convey to people the message of faith and monotheism. In addition to being a divine message to the worlds, it is also considered an eternal miracle in all its linguistic, scientific, and religious aspects... The Prophet, may God bless him and grant him peace, used it to call people and guide them to the Islamic religion.

[@mohamedali2858]

@@Mr-S.p.o.c.k The Holy Quran is therefore a book that contains between its covers different and new facts that differ in concept from everything that the worlds knew at that time. It, the Holy Qur’an, is in fact a book of guidance. God Almighty says: “Indeed, this Qur’an guides to that which is most upright and gives good tidings to the believers who do righteous deeds that they will have a great reward.” (9) Guidance here is not limited to spiritual guidance only, but rather extends beyond that to include guiding the human mind to discover what helps the person (the one charged) to perform his mission (the succession of the earth and its development) in the best way. It is a book of spiritual guidance in that it indicates the truth of God’s existence, and corrects the corrupt beliefs that have spread among people about the idea of “God,” whether it is a pagan, polytheistic image, or a distorted image…, and about the idea of “existence” and the beginning of creation, and the idea of “the universe” and the nature of man’s relationship with it, and the idea of “the unseen, resurrection, and the Last Day.” So its vision of the Creator, existence, and the universe is a distinct vision.

[@Gringohuevon]

Lee Cronin seems to be expanding as fast as the universe..next week.." Why cats meow"