Alan Guth - How Does Dark Energy Drive the Universe?
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- เผยแพร่เมื่อ 26 ม.ค. 2024
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Dark energy, the repulsive energy of empty space, was one of the most unexpected and astonishing discoveries in recent science. Most scientists had expected that the expansion of the universe would be slowing down due to the inward pull of gravity. In fact, the expansion of the universe is speeding up, revealing the presence of dark energy. What does it mean?
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Alan Harvey Guth is an American theoretical physicist and cosmologist. Guth has researched elementary particle theory (and how particle theory is applicable to the early universe). He is currently serving as Victor Weisskopf Professor of Physics at the Massachusetts Institute of Technology, and he is the originator of the inflationary universe theory.
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Closer To Truth, hosted by Robert Lawrence Kuhn and directed by Peter Getzels, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.
Always look forward to these talks with Dr. Guth
Great one, thanks guys
Thanks Sir for important discussion
I've always wondered if "light" could be the dark energy we're looking for? By that I mean, the light we see is only that which is coming right at us. But things that generate light usually send it out in all directions. So all that other light energy is out there and just because we can't see it doesn't mean it's not out there.
That’s an interesting theory for sure! Run the equations on it or find someone who can and see what happens. You never know. I’m beginning my journey of studying theoretical physics so maybe I’ll be able to have a crack soon! :)
To the best of my knowledge, LIGHT itself is already a well understood and measurable/observable form of mass/energy. The current standard model of particle physics describes photons quite well and is confirmed through repeat experimentation. DARK MATTER/ENERGY, however, is currently far beyond understanding or ability to test or observe beyond the effects it has on the cosmic expansion of the mass energy we are made of and it's complete lack of interaction with electromagnetism. The very force that light/photons are the "Force Carriers" of. In summary. . DARK MATTER IS NOT LIGHT.
We can see light, but we can't see Dark Matter-- we can only detect its effects on things we can see.
It's good to have a big mystery to solve. It's the aspiring to reach deeper insights that makes us better.
Imagine one day humanity found the solutions to all of our current problems(The beginning of the universe, medical support and many more) What next whats next left for us to discover? Is there a limit to Intelligence in this universe or Intelligence itself is the cause for things to become infinite!?
Agree...now convince MAGA Nation before they bring down the USA.
I'm well aware of the discrepancy for vacuum energy. It could also be an aspect of vacuum energy that interacts with the fabric of spacetime.
Don't forget we may be clumping up vacuum energy all together, when we should not. Some may not play any role with the fabric of space time.
There may be certain interactions with certain fields. Ie the electromagnetic field with weak field Or Higgs field with quark gluon field. Or a reaction to the cancellation effect of the particles with some asymmetry. These would almost be akin to a quasi particle.
We also have ideas that the fabric of spacetime may be entanglement; ER=EPR which we theoretically think that wormholes expand naturally.
Thus, the interaction of specific fields along with the fabric of spacetime creates new space that we perceive as repulsive.
This last part is a stretch. But the fact remains we don't have enough data, yet, on vacuum energy that gives us definite results.
I am very intrigued on certain ongoing experiments that shall provide us with more data, that we can narrow down the search. Because until we have convergence of this new data, everything sounds speculative, because we are creating too many assumptions on various factors.
Interesting speculations.
@@brothermine2292 again, all this is speculative. Until we have convergent data from various ongoing experiments.
Enlightenment is all about suffering to remove karma from one's soul....... Falun Dafa shows us the Way.
'Dark energy' points to a reality that preceded the big bang. Reality existed before the big bang. Our universe's big bang was not the beginning of ultimate reality. It was the beginning of our reality, ie space-time and the universe we can observe.
While i agree with you, i am always confused by terms like "before" in such a context, because it seems *time* and space came into being together. So what does *before* even mean in this context?
@@Pyriold metaphorically speaking, haha. What does anything mean before our space-time reality?
Good stuff, always. Guth put the bang in the big bang.
If we tried to measure the distance between two singularities within black holes wouldn't we find it is expanding? Or at least we could extend our tape measures an infinite distance because you could never actually reach the singularities so the overall length of the tape measure would be by definition expanding. So the space between black hole singularities is expanding. Aren't there super massive black holes at the center of every galaxy and isn't the only reason we know the universe is expanding because we observe galaxies moving away from each other? So it is possible that black holes are responsible for expansion.
It’s always an absolute pleasure and a learning experience to listen to Alan Guth, even if you happen to be an expert in whatever area it is that he’s commenting on.
The Life-Desire, Drive the Eternal Life,
in Direct extension, We have the Will, (Life-side)
and Gravity, (Stuff-side)
Life-Desire is Motor of Life,
Hunger- and Satisfaction-Principles is the Compass.
Light and Dark is about the Contrast-Princip
and Perspective-Princip.
Alan Guth is such an articulate and fascinating speaker. Excellent interview!
Observing the universe is awareness of itself or self awareness.
I too scratching my head every day but it makes me bald not wiser😂.
But this man helps amount of wisdom👍
repulsive gravity (quantum?) can be responsible for both inflation and dark energy expansion of universe?
No such thing unfortunately… anti matter was shown to possess normal attractive gravity from some recent experiments
Is it true that dark energy is a problem for String Theory, which predicts a negative cosmological constant?
Two observations: 1) I can only accept an anthropic argument if it can be shown that there is a selection process. That means evidence of other universes with different values for the vacuum energy. That seems unlikely. 2) The small but non-zero value of vacuum energy seems qualitatively like the slight matter antimatter imbalance, leaving a universe full of matter. In both cases, a net of zero would make more sense than what we find. While these are very different problems on the surface, they don't seem entirely unrelated. Both deal with fundamental balances of mass and energy types in the universe. Both remind me qualitatively of the symmetry breaking associated with the Higgs field. I'm curious if there is a relationship.
By "not accepting" an argument, do you mean believing it's unproved or believing it's false?
This is all just speculation on my part, but “selection” seems an essential part of all evolutionary processes, from chemical and biological evolution to cosmic evolution to the the evolution of language, culture and rock’n’roll, etc. If it does turn out to be the case that everything evolves, including the whole of our universe or multiverse, then everything that is-or anything that’s been around for a good period of time, at least-seems likely to have experienced some kind of “selection” process at some point in it getting to be a thing that exists in the Universe.
@brothermine2292 Good question. For me, it remains unproven, not explicitly false. It also lacks useful explanatory power. Einstein needed Eddington (and many others). Their observations gave credibility to a lot of interesting math that otherwise could have had nothing to do with physics.
@longcastle4863 My only caveat would be that there is an important difference between this and evolutionary selection. In evolution, the selected variance impacts survival and propagation of the thing with a variable property. For living things, variance in genetics impacts their survival in an environment. An eagle's eyesight helps it hunt.
In the case of vacuum energy, its value can shape a universe's survival. This would be a weak anthropic argument ... we can't live in universes that don't exist (because their vacuum energy caused them to collapse or hyper expand upon creation).
The stronger anthropic principal says we can't observe a universe that WE can't survive. Our survival has no bearing on the universe's survival since we (our any observer) need a much more fine-tuned value of vacuum energy for stars and galaxies and planets to form.
Finally, I'd observe that evolution is a dynamic process where selection value impacts subsequent generations of something. I believe vacuum energy impacts static selection of survivable/ observable universes but lacks influence over subsequent formation of universes in the multiverse. So, there isn't any evolutionary selection here. (Assuming there is a multiverse).
Whatever it is, it is what it is. 😂
Maybe when a black hole aka singularity reaches a critical point where it can no longer contain it's warped, high density space time; it expands outward and energy and mass re-assimilate in space time. Like a giant spherical spring. And dark energy is just gravity that is still compressed.
If you tried to measure the distance between two black hole singularities using a tape measure how long would it have to be? You could never reach the singularities so wouldn't the length of the tape measure keep growing? Isn't that the same as expansion?
When something can be explained away as easy as snaping one's fingers like the anthropologist principal has the capacity to do, it is easy to see why leading cosmologists like Alan Guth see it as the option of last resort.
The Anthropic Principle (note correct spelling) is a logically valid piece of conjecture and a real possibility, not a "last resort," and certainly not a religious dogma intended to push an ideological agenda. The vacuum energy may actually vary at random in separate regions of space, with life found only in those where it is small. And there may be an infinite number of these regions or "bubble universes." There is nothing sinister or deceptive or facile about that concept, it is speculative but scientifically honest.
@MrDominex
Alan Guth referred to it as a last resort explanation. I agree with the highly esteemed Alan Guth there may be deeper, more profound explanations that get overlooked by just accepting the Anthropic Principle as the explanation.
There are a lot of cases where the anthropic principle is easily accepted. For example, of course we live in a stable solar system on a planet that has liquid water on its surface. We know of no other planet like this with any certainty so far. It's pretty special. But it's needed for life as we know it. Most suns are red dwarves that flare a lot and most planets are totally uninhabitable.
@@Pyriold Most planets we know of would probably not support complex life, but we have only barely investigated a few thousand of them and there are at least hundreds of billions in our galaxy alone. The chances that Earth-like conditions exist on only one planet seem very remote.
Maybe You should invite Neil Tyson DeGrasse and Chuck from the Startalk Channel and podcast cause they talked about simillar topic and maybe You could make episode or podcast with them?
Neil DeGrasse Tyson Freaks Out When Physicist James Gates Finds Intelligent Code in the Fabric of Space.
.
Working on a branch of physics called supersymmetry, Dr. James Gates Jr., discovered what he describes as the presence of what appear to resemble a form of computer code, called error correcting codes, embedded within, or resulting from, the equations of supersymmetry that describe fundamental particles. Gates asks, "How could we discover whether we live inside a Matrix? One answer might be Try to detect the presence of codes in the laws that describe physics." And this is precisely what he has done. Specifically, within the equations of supersymmetry he has found, quite unexpectedly, what are called "doubly-even self-dual linear binary error-correcting block codes." That's a long-winded label for codes that are commonly used to remove errors in computer transmissions, for example to correct errors in a sequence of bits representing text that has been sent across a wire. Gates explains, "This unsuspected connection suggests that these codes may be ubiquitous in nature, and could even be embedded in the essence of reality. If this is the case, we might have something in common with the Matrix science-fiction films, which depict a world where everything human being's experience is the product of a virtual-reality-generating computer network."
Physicist Dr. James Gates, Jr. has discovered this intelligent error-correcting computer code which coincidentally is exactly the Same as what Claude Elwood Shannon wrote in the 1950s. As for the interpretation of his discovery, the evidence suggests that we are living in a simulated universe . The many-worlds interpretation is just a consequence of the simulated universe theory, so we don't even have to go beyond that . And this is exactly what he and his colleagues have been pondering for the last 20 years.
Didn't the energy density of the vacuum drop due to inflation? Wasn't the energy of the universe, which was at a high energy level before inflation, used to create the fabric of space-time?
spring reverb
Brand new plank length gradiant of space with a vertical axis of time is one minute old as we speak.
The Right the answer is scale that we measure encoded in the most precise fundamental scale .
It is giving us the answer in how we need to re allocate values.
This explains how humans can manipulate systems in a way that nature can't. From the very critical extreme state that programmed everything from day one in some way or another. its correlating affairs in space but not time.
Instead of lambda horizontal evolutionary time line where we assume hierarchy of value on objects with premium on carbon based life that will not allow us to draw linear deterministic evolutionary lines through many different natural systems.
Yet still this excersize is useful ,valuable with benefits. We dont throw it away.
our human dashboard equations of time and all these categorical notions are only in us and it requires some critical extreme early in the beginning on scales that have infinite degrees of freedom ,yet uniformity, timelessness without liner direction perfect in everyway. Scale up not out.
Maybe all the matter in the universe is shrinking, so it looks to us like the universe is getting bigger.
If dark energy is energy, does it fit into the E=mc2 formula? Is dark _energy_ really a helpful name for what this unknown force is?
Enlightenment is all about suffering to remove karma from one's soul....... Falun Dafa shows us the Way.
I believe it does. Dark energy represents the cosmological constant which essentially describes the latent energy in the empty vacuum. It's incredibly tiny, especially considering it as equivalent mass - a sphere the size of the moon would contain maybe a few pounds worth of dark energy. But it exists everywhere there is space, and space is mostly empty, so it makes up the majority of the universe's total energy.
@@em.1633 Every particle of the universe is created containing.........truthfulness-compassion-tolerance. The human soul contains dark matter and energy called karma. Once this dark energy is scraped off of the soul through suffering, the soul will once again align with the universe and return to Heaven................falun dafa
@@em.1633 Wait a sec, if the elusive graviton is massless, doesn't that contradict SR? I feel like we need to modify relativity in general to explain dark energy.
@@SamoaVsEverybody814 Gravitons are only massless under string theory. We don't even know if they exist in general, we end up with non-renormalizable infinities when we try to incorporate them with relativity and QFT together. We need a theory of quantum gravity to say much about gravitons with any certainty and that's been elusive for over a hundred years.
could there be an electromagnetic field that expands universe? maybe produced when repulsive gravity measures quantum energy fluctuation?
What's the "anthropic explanation?" I know "anthropic" means "man," but does anybody know what he means in this context?
Once Upon A Time I THE EXISTANCE was searching a Perfectly Aligned Body to understand True Spirituality & I found this Body, Struggling the Path , I Pored Myself in Your Goldi Siddharatha to woke You. Just Dive Within in Metitation, I Worship ALL Femine RAY
#IWorshipFemineRAY
So now another layer of Goldilox Zone of life is a location with low energy density.
The most important question is where vacuum energy comes from. Has science answered that?
Hoover.
Enlightenment is all about suffering to remove karma from one's soul....... Falun Dafa shows us the Way.
Not really, but kind of. Dark energy is the result of a very tiny positive cosmological constant, which Einstein originally came up with to explain why the universe didn't simply collapse under its own gravity (he believed in a static universe).
In 1929 Hubble showed that the universe is, in fact, expanding, and so the cosmological constant was considered obselete for a few decades, but further 20th century measurements showed that not only is the universe expanding, the expansion is accelerating, and so the cosmological constant was re-introduced.
We don't really know the true nature of what dark energy is, especially considering the Vacuum catastrophe, but we know it's there because it accounts for the accelerating expansion of the universe rather than it collapsing under its own gravity. A good analogy is a star - normally, the mass of a star would simply collapse in on itself, but the energy from the star's fission counteracts that gravity.
ALL IS LIGHT. NO DUALITY NOR CAUSALITY🎉
IF INFLATION DID HAPPEN, GOOD JOB, ALAN.❤
It happened under Biden.
@@BrianMillsSkills: So of course you want people to believe Biden was responsible for it.
I sometimes wonder if we’re not just caught in a stream of some sort and are experiencing the “random” effects, for example, seen in bubbles that form on the surface of streams, which sometimes “randomly” move toward each other (even clumping) and sometimes apart from one another. Except that what happens in streams on Earth occurs over matters of seconds, while what happens in cosmological space occurs over the course of billions of years. But I suppose there would be little anomalies in how things are drifting apart from us and each other that would suggest if this was the case. Does the data, for example, a) indicate every galaxy moving away at mathematically predictable rates, b) show some unexpected or currently unexplainable variations or anomalies in the way things are moving apart or c) our measurements aren’t fine tuned enough yet to know?
Does dark energy suck up all the light?
No it fuses with dark matter to create light!
Legend. Love it.
dark energy sounds like a character from Star Wars :)
Darth Energy?
@@brothermine2292you've got an easy one this time :)
We are entering a dark, dark place.
It makes it get bigger.
So a Great Attractor hypothesis for dark energy, then?
@@longcastle4863
That certainly fits the data.
Dude could almost be Bob Lazar's brother...
Like with most things Lazar, conveniently there are no records or substance for that claim.
As unpleasant as I find Eric Weinstein, I have yo go along with him that physics is in a crisis and all that holds it together are assumptions that are truly taken out of their own rectums. Whereas, Sir Riger Penrose for example has, in my view, much more thoughtful explanations and theories.
Why is it being called dark energy, is it not because it's the energy of the dark empty cosmic space? If that's the case then why could it not be the spiritual energy called consciousness, responsible for the initiation and onward manifestation of the universe?
The problem is, if you use the term "spiritual energy" you would exclude yourself from the scientific circle.
@@kitstamat9356 thank you for reminding me however what other form of energy could possibly be responsible for the manifestation of something out of nothing?
We've spent almost a century to find Dark Matter and Dark Energy but still there's no sign of them.
No matter what we try, a thing which doesn't exist can't be found. May be it is time to find an Alternative Way to Explain Dark Matter and Dark Energy.
4-D Hypershere model of Universe can easily explain Dark Matter, Dark Energy, Void and even the reason why the measurement values of Expansion Rate are around 70 km/sec-Mpc.
Dark Matter, Dark Energy, Gravity, Void and Antigravity, ... all these are same phenomena. They just look different.
I agree to the idea that the interaction between mass and space must be explained with quantum mechanics.
But that doesn't mean gravity is the QM phenomena.
That's because gravity is not a force.
Dark Matter, Dark Energy, Gravity, Antigravity, Void... all these are just joint effects of the expansion of the Universe and the curvature of spacetime.
Details are given below.
Einstein’s theory of General Relativity states that spacetime is curved by the presence of mass.
This curvature influences the motion other objects with mass and gives rise to gravitation.
Thus, gravity is a result of geometric features in spacetime.
However, we also observe gravitational effects - curvature of spacetime - in areas without any detectable mass.
This has given rise to the concept of dark matter, which is matter that does not interact in any detectable way with normal matter, except through gravity.
So, there is some large quantity of dark matter scattered throughout the universe, which curves spacetime and causes gravitational effects just like normal matter, but we cannot see or detect it with any known method.
An alternative theory to the identity of dark matter is proposed - it is not matter at all, but rather an intrinsic curvature of spacetime.
In other words, spacetime is not naturally flat. Even in the absence of matter, we observe some inherent curvature of spacetime.
So, the question is now - why is spacetime naturally curved? Why is it not flat in the absence of mass?
The universe is 4-dimensional, with 3 spatial dimensions and one dimension in time.
Rather than consider time as a linear dimension, we can consider it as a radial one.
Therefore, rather than describing the universe with a Cartesian coordinate system, we describe it with a 4-dimensional spherical coordinate system - 3 angular coordinates, φ1, φ2, φ3, and one radial coordinate in time, t.
We live on the 3-dimensional surface of a 4-dimensional bubble which is expanding radially in time.
Thus, the Big Bang represents t=0, the beginning of time.
The crucial point is that the expansion of the universe is not homogeneous in all directions.
The expansion rate at one point on the bubble’s surface may differ slightly from another point near it.
The universe is only roughly spherical in 4 dimensions, the same way that the Earth is only roughly spherical in 3 dimensions.
The same way we observe local mountains and valleys on the surface of Earth, we observe local “mountains” and “valleys” on the surface of the universe bubble.
The inhomogeneity of the expansion of the universe has given rise to natural curvature of spacetime. This natural curvature causes the phenomenon of “dark matter”. “Valleys” in spacetime pull matter in, similarly to the warping of spacetime of massive objects.
So “dark matter” is really “valleys” in spacetime that are expanding slower than the regions surrounding it.
These valleys tend to pull matter in and create planets, stars, and galaxies - regions of space with higher-than-average densities of mass.
Conversely, “mountains” in spacetime will repel matter away, an “anti-gravitational” effect, which gives rise to cosmic voids in space where we observe no matter.
Each point on the surface of the universe bubble traces out a time arrow in 4-dimensional space, perpendicular to the surface.
These time arrows are not parallel to each other since the universe is not flat.
This causes points to have nonzero relative velocity away from each other.
It is generally accepted that the universe is expanding faster than observable energy can explain, and this is expansion is believe to be still accelerating.
The “missing” energy required to explain these observations has given rise to the theory of dark energy.
The time dilation caused by non-parallel time arrows can be proposed as an explanation for dark energy.
Alternatively, dark energy is real energy coming from potential energy gradients caused by non-parallel time arrows.
As a sanity check, we can calculate the expansion rate of the universe based on the universe bubble model.
Since the radius of the universe bubble is expanding at the speed of light in the time direction, it increases at 1 light second per second.
Therefore, the “circumference” of the 3-dimensional surface increases by 2π light seconds per second, or about 1.88*10^6 km/s.
This expansion is distributed equally across the 3-dimensional surface, so the actual observed expansion rate is proportional to the distance from the observer.
At present, the age of the universe is estimated to be 13.8 billion years, so the radius of the universe bubble is 13.8 billion light years, or about 4233 megaparsecs (3.26 million light years to 1 Mpc).
Thus, we can calculate the expansion rate of the universe, per megaparsec from the observer, as:
Expansion rate = ((d(circumference))/dt)/radiusofuniverse=(1.88*〖10〗^6 km⁄s)/(2π*4233Mpc)=(1.88*〖10〗^6 km⁄s)/26598Mpc=70.82(km⁄s)/Mpc
The popularly accepted empirical expansion rate is 73.5 +/- 2.5 km/s/Mpc, so our calculated value is close.
There may be some additional source of expansion (or observed red shift) to make up for the discrepancy. For example, if two adjacent points have some gravitational gradient due to non-parallel time arrows, then light passing through these points will be red-shifted.
- Cited from www.academia.edu/82481487/Title_Alternative_Explanation_of_Dark_Matter_and_Dark_Energy
1:00 AG: ... this dark energy is stuff that seems to be causing the universe to expand more and more rapidly with time it's a a repulsive gravity material exactly like the kind of repulsive gravity material that I speak about in terms of the early universe and inflation uh it's very good for inflation in terms of our making the theory look convincing first of all it provides an example of repulsive gravity material it's there it's not just a theoretical idea we actually see it filling 70% of the mass density of the universe today uh but in addition it also straightens out a prediction of inflation has from the beginning made a prediction for the total mass density of the universe when the prediction was first made people didn't have much of a clue so it was as good as any number uh but as the mass density of the universe was measured more and more accurately the astronomers became convinced for a while that the mass density of the universe was only 20 or 30% of what inflation predicted uh then came along dark energy and it made up the extra 70% and now it's beautiful fit now the mass density the universe agrees with the predictions of inflation observationally to within a few percent beautiful uh but the dark energy remains a tremendous mystery theoretically what is it uh the simplest explanation uh is that it's the energy of empy space itself the energy of the vacuum uh that fits perfectly with everything we know uh it's obviously simple you can say in a sense (sentence) uh what's hard to believe about it the number that this dark energy has for its total energy density uh particle physicists have no trouble with the idea that the vacuum might weigh something might have a mass density 2:42 (that's because of quantum mechanics most people would think of a vacuum that have absolutely nothing in it) exactly. 2:46
Biblically OT suggests a mathmetical structure for reality the whole, "1" (Deut 6.4), a number & its reciprocal (Isa 41.4; 44.6), but NT sets a tangible being for everything i.e. light (Jh 8.12).
Cosmological Model of Bible (CMB) says:
1. The true void is background for all beings, in terms of mathematics and theology, briefly, all cosmoses are simply running over back of indeterminate form, 0×P∞, and driven by a perpetual machine, God The Triune, from whom every quantum fluctuation pops up, Parity: {1, 1/P∞} || {0, P∞} .
2. It has plausibly postulated that 60% Dark Energy plus 40% Dirac sea in the real void, suggesting that exist three types of inflationary big bangs there, first the type-I generates flat universe, the type-II made an ultimate chaos, then in the type-III His sacrifice yields 90 C-QUANTA, of which 36 C-QUANTA have evolved Dirac sea the neutral holding 40% informational energy, and the leftover 54 C-QUANTA (60%) is physically called Dark Energy. Your universal size depending on F = - (GM/R^2) + (Λ/3)R may increase DE 60% to 70%.
3. Cosmic microwave background (CMB) is actually resulting from an input of 1 C-QUANTA of the 54 C-QUANTA into Dirac sea, first bunch of photons have manifested because of collapse of corresponding wavefunction.
And I thought Janet Yellen said inflation was transitory? I happen to believe in the Philanthropic Principle as opposed to the Anthropic Principle. God is the Ultimate Philanthropist.
😂
Maybe dark energy is that exotic matter scientist need to inflate and hold open a worm hole which begs the question are we inside a wormhole?
I know most intelligent people after a run think I’m a crockpot but if you think deeply about it which I have for a long time if matter is mostly empty space that’s well-known Then why can’t the universe is sell be a solid and we are in that empty space especially if it goes on forever think about it
Gematria444:360=1.23*MONAD
If scientists could realize that only facts can beget facts, ,most of humanities confusion will be solved.
Are forces considered a kind of energy? Just wondering if the name, dark “energy”, might be creating misunderstandings and potential semantically generated red herrings-kind of like what happened when early quantum physicists somewhat sloppily claimed, imo, that measurement or observation causes the wave function to collapse. Or is “energy” actually a good description of this new thing we discovered?
Darkness is real. Light has to be created.
Know: what you see is illumination, the attribute of the principle that is Light. Nobody can see light. The illumination of Light allows one to see.
Host is deleting comments
You are clueless, great 👍 finally an honest answer
Professor Francis Yu on the theory of relativity - th-cam.com/video/2vSm37E2SEU/w-d-xo.html
The more we know, the less we know. Keep an open mind
Dark energy was not discovered; it's a theory.
Dark Energy is not a theory, it is a repulsive gravity that is causing the expansion of the universe to accelerate. We don't yet have a theory of how it works, but we know it exists because the universe really is expanding.
Dark energy is just a name for the hypothetical force that is causing the universe to expand at an accelerating rate. We know from observation that this is happening, we just don't yet know how it works.
Dark energy is GRAVITY
Dark matter is PAIN (ions- electrical nerve impulses)
If anthropic principle will be slightly right then we can not ignore God's existence
Why not? We already ignore Santa Claus, Zeus and the Iroquois Great Spirit. In fact all the gods we’ve ever come up with will eventually just be seen as worthy of ignoring. Although the religious, of course, will say, yes, all true, except for my God.
You have it backward. The Anthropic Principle is an _alternative_ to the theory that our universe was created by a god. In other words, postulating a multiverse that contains a diversity of universes is an alternative way to explain why at least one universe is compatible with human life.
it´s the devil´s gas...
dark matter is minimum 71% at any given point of time of the existence & this is my personal experience & understanding without any memory interference in the present Fundamental reality & all that I As Goldi is Posting here on X is the personal Experience Copy WRITER
👏👏👏😁👍👍👍
The air that God breath that's what dark energy is
How you know it is breath😂?
@@kipponi
Let's say some kind of ventilation system, green one, zero emotion 😁
Sounds like you learned that in kindergarten lmaoo
The existence of dark energy could be just an illusion. The accelerated expansion of the Universe might be caused by some yet unknown modifications of general relativity, aka "dark gravity"
Or perhaps the expansion isn't really accelerating. Acceleration is an interpretation of the amount of red shift we observe in light that was emitted long, long ago by galaxies far, far away.
"What was the origin of the universe?" makes as much sense as "Where is the center of the universe?" And "Why did the universe start?" is just anthrocentric idiocy. We should be concentrating on "What is the universe, and how is it evolving?"
What you call "Dark Energy" Is the I Self Unmanifest, the I In The Electromagnetic Particles. Dark Energy is the Shattered Primordial Egg, The Pure Self Atom shattered in minute particles as the Feminine , the Neutron self with the electrons (the group of stars as the galaxy) as its Light and Protons -the magnetic particles (Dark Matter) as its Masculine, spread out with void between. Do you know what your real self look like? Your self is invisible to you. How does the I animate this body? This machine that the I think is the I self? Do you know who you are? Are you this body? Are you this duality, the sleeping dreaming Consciousness? I think the I should turn the I questions inward to get your answers. How did the I come to be in this body?
আমি কথাগুলো কিচ্ছুই বোঝতে পারছি না।
th-cam.com/video/cN7dmgq0HyE/w-d-xo.html
Try googling them.
It seems to me the high vacuum energy may be creating space and when the universe diffuses to a certain level the vacuum energy drops to a level that will reverse the expansion... don't bogart that thought.
I stopped watching At multiverses lol
Alan believes in park energy but keep It out though phich proceendings . He dark energy as It is true phich and not more questions are close about dark energy. He show as cosmology pedantic absolutetly. Alan Universe model true evidence though experiement is probability true nil.
Park Energy?
@@PetraKannphich?
@@richardsylvanus2717 What do you mean by phich Mr lardanus3766?
Wtf did you just say? 😅
@@PetraKannPark Energy is the energy that drives dogs when you take them for a walk in a large open space. It’s responsible for the widely-observed phenomenon known as ‘zoomies’.
Wrong understanding, Alan Guth!
Everything in the whole Universe is "repulsive"=anything pushing "CAUSALLY" into anything.
Lower entropy=lower "repulsivity".
Higher entropy=higher "repulsivity".
"Repulsivity" in this case=real "material" pushing.
( Net "repulsivity" doesn't depend on the real size of a "material aggregate", but by the degrees of free movement in specific entropic emergent aggregates.)
"Material"=the net relative aggregation "difference" between two "arbitrary" adjacent entropic emergent "levels".
All of these=one real, natural, highly causal, and universal dynamic of the Universe, ad infinitum.
From all of this, results the following: no dark matter ( = no dark "energy" ), no Black Holes, no Big Bang, no attractive "gravity", no beginning and no end of the Universe, no "bending" of anything, no etc.
Everything grows in the dark. From the child in the womb to the flower in the night.
Children grow out of the womb, too.
The plants I've tried to grow without light have all died.
Quran 13:2
Allah is the one who raised the heavens without pillars that you can see, and then settled on the Throne. And He regulated the sun and the moon, each running for a specified period. He manages all affairs, and He explains the signs, that you may be certain of the meeting with your Lord.
Without dark energy the universe would have collapsed in on itself a long time ago. However this was portrayed in the Quran 1400 years before it was discovered.
Modern physics is dead.. they should start from the very beginning: what is Gravity?
Physics is very much alive. Gravity is the geometry of spacetime.
* It is nonsense.
Rugs being pulled under.
Science has become a soap opera as every day gets worse yet draws you in.
Metaphysician philosopher
If you do not know what something is, then any attempt to explain ylthat thing is going to be flawed.
LMFAO!!!
Hahahahaha
Dark energy is virtual photons created by the action of space expanding. The more space expands, the more virtual photons there are, but they have a larger volume of space to fill, so their density is constant.
Read Superman dark matter or matter that's intern is faster than light 🚬💩☕️👋👀💋
Quran? Dark Energy is Information.
Yawn.
Brother read the Quran and your eyes will open up even more to the ultimate REALITY especially of the UNSEEN and the AFTERLIFE where we are ALL headed.
I testify there is no Creator and Sustainer except 1 God!
There is no dark energy. There is only one reason to postulate it, to explain the exponential expansion rate of the universe. The expansion was discovered in 1929 and the exponential aspect was discovered in 1998. This is when the concept of dark energy began to become mainstream.
If something accelerates at a constant rate it will get faster and faster. If a ship travels at a constant 1g acceleration rate it would achieve about 95% light speed in 1 year. The fact that the expansion is accelerating is what the known laws of physics would predict provided gravitational forces are not strong enough to counteract the process.
Electricity is drawn towards potential and the universe as a whole behaves the same way. Electricity comes into our homes because the neutral circuit provides the potential.
Physicists in the last century did not postulate dark energy because they understood that the expansion is a fundamental property of the universe. The fact that the expansion is accelerating does not invalidate their reasoning.
All studies to find dark energy have been fruitless because it doesn't exist. There is 4 fundamental forces, not 5
Theres no such thing as dark energy. Thats just plain silly.
He talks too fast, and slurs his words. Very hard to listen to him!
You're listening too slow
We know less now then we thought we did a decade ago....WOW 😳....guys read Quran before your last breath on this planet.
You mean that old book telling tales about Alexander the Great, or telling men that they should beat their wives when they disobey them? Sure, that is a true source of knowledge 😂
@@halcyon2864 im afraid not bescuse we dont know who authored it or what the meanings are. In fact some of the oldest Sutras have remained in Sound but not in Meaning.
Furthermore, lets put aside the gap of origin and meaning, what is it really telling us about purpose of Life? Does it teach Cast system? Does it teach Satti? Does it teach about gods who's wives got kidnapped etc. Such stories are not based on historical facts.
Why would you want to follow that when you have the Quran --the direct message from God---a warning and a glad tiding.
Im not saying you dont read other books, read them all but also read Quran.
Thank you
@@halcyon2864 the Bible is better but its not preserved and also tampered with. Let me illustrate:
Lot preached against LGBT and then escaped with his 2 daughters when God punished sodom/gomora. He is called a righetous man in the Bible. But a little while later he gets drunk and commits incest with his daughters on seperat nights but he doesnt even get a slap on the hand?
Now look at the NT. 52% is attributed to Paul who never met Jesus and persecuted the early followers. He then writes these books and claims them to be from God. Some of his teachings contradict those of Jesus. So are we following Jesus or Paul? The remaining 48% is written by unknown authors decades after Jesus. The oldest piece of a manuscript is 40-90 yrs after Jesus and the oldest full manuscript is 300 years after Jesus and they all have contradictions.
Quran is from 1 source, preserved. If there were contradictions in any book it cant be from God, it will be the work of man.
So if you spply Inclusion and Exclusion criteria on all books on earth only the Quran will pan out as true.
Inclusion criteria: must claim to be from God
Exclusion criteria: must not have contradictions
@@halcyon2864Are you not aware that most of the Bible has changed/been altered? The Quran by comparison is the exactly the same today as it was initially. Read it and feel it’s beauty for yourself...
Neither the Quran, the Baghavad Gita or the Bible have anything to contribute to the subjects discussed in this video. Pull your heads out of your asses, guys.