What is Dark Energy made of? Quintessence? cosmological constant?

Ғылым және технология

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It’s one of the biggest mysteries in science. It makes up the majority of the universe. What is dark energy? What is dark energy made of? What is quintessence? Is Dark energy the cosmological constant? Does dark energy really exist?
Most scientists believed the expansion rate had to be slowing down over time, because of gravity pulling matter together. Some kind of measurement technique was needed to establish a standard luminosity. This is called a standard candle.
Two groups of astronomers (Saul Perlmutter and Adam Riess, and Brian Schmidt) , came up with a way to measure the true distances and redshifts of very distant galaxies by trying to find recent Supernova explosions - called type 1A supernovae. These provide a standard candle because all type 1A Supernovae explode with about the same luminosity. And by measuring the red shift of the light, they could determine how much space had expanded, What they found was the universe was speeding up.
The energy fueling the accelerating expansion of the universe is called “dark energy.”
So what could be causing it?
First, this energy could a property of space itself - the cosmological constant. Lambda can be thought of as the energy density of the vacuum of space. It comes from a non-perfect cancellation of quantum fluctuations.
According to Heisenberg’s uncertainty principle, quantum fields from which all particles come from cannot sit still. Particles are coming in and out of existence causing fluctuations or pressure in the vacuum. But when you use the knows equations of quantum mechanics, the theoretical energy is almost 120 orders of magnitude higher than what is actually measured.
Another mechanism is called Quintessence. This is an energy field the pervades the entire universe. And it is repulsive. It would be a dynamical dark energy. It can change from place to place, and in time. Quintessence, if true, can be measured, because the differences in dark energy in different parts of space would be measurable.
There is a fine tuning problem though, which is called the coincidence scandal. The two densities are almost the same but in the past they were different. Why do we happen to live in a moment where the difference is only about 2.3?
If we believe the dark energy model explained by vacuum fluctuations, then there is something very special about now. And it is a huge coincidence. But if you believe quintessence is true, then this is not a coincidence.
The excitations of the quintessence field would manifest itself as a particle, probably a boson, but unlike every other boson, it would have negative energy. This would mean that lighter particles could decay into heavier particles by emitting quintessence particles with negative energy. This has never been seen. The models that fit the current data indicate that dark energy is not dynamical, but stays constant.
Could dark energy be photons or radiation? No because the energy density of radiation and photons changes as space expands. Dark energy however stays the same. Why is it that if the density doesn’t go down, it makes the universe accelerate?
Because what it means is that every cubic centimeter of space is expanding at a constant rate. So over very large distances, the cumulative effect is an acceleration of the universe.
#darkenergy
#quintessence
But if more energy is being created, doesn’t this violate energy conservation? No because the positive energy is perfectly balanced by an increase in negative gravitational energy of the universe.
The third possibility is that maybe we are wrong about dark energy, and maybe it doesn’t exist at all. Subir Sarkar, Theoretical physicist at the University of Oxford in the UK believes it does not exist because the data is not good. Dr. Sakar is in the minority on his views.
Part of the reason cosmologists readily accepted this data back in 1998 is because the Supernova data indicated that the amount of dark energy needed to make the universe accelerate is 70% of the critical density, the mystery of the missing 70% energy was solved.
The 1998 supernova data is not the only data that provides evidence of dark energy. the 2000 CMB experiments and the sloan digital sky survey in 2003 showed strong evidence that the matter density of the universe is about 30% of critical density.
Maybe the universe is not flat. Or Maybe there is something wrong with Einstein’s theory of gravity. This is possible.

Пікірлер: 1 100

  • @ordinaryjoe4143
    @ordinaryjoe41433 жыл бұрын

    Arvin: 30% is basically the same as 70% *Federal Taxes has entered the chat* Federal Taxes: say no more!

  • @incaroads001
    @incaroads0014 жыл бұрын

    It's made out of Math... and the tears of physicists.

  • @realitynowassigned

    @realitynowassigned

    3 жыл бұрын

    Its made of nothing. Nothing has exactly the opposite potential of something.

  • @turkicsayajin2274

    @turkicsayajin2274

    3 жыл бұрын

    realitynowassigned so it’s not nothing ! how ?

  • @realitynowassigned

    @realitynowassigned

    3 жыл бұрын

    @@turkicsayajin2274 by virtue of being nothing forever.

  • @realitynowassigned

    @realitynowassigned

    3 жыл бұрын

    @@turkicsayajin2274 having potential doesn't mean its not nothing. 0 has the potential to become anything except 0. Except here 0 has no -1 or 1 it just remains 0 until its not It just cant remain nothing forever. Because whether its nothing or something eventually something must change when referring to an infinite timescale.

  • @realitynowassigned

    @realitynowassigned

    3 жыл бұрын

    Thats how infinity works. Its everything. Everything includes nothing. There cant be something if there isnt also nothing. So if nothing remains nothing forever it holds that eventually energy itself would arise from that "vacuum" of existence. Energy settles and condenses to form matter. We perceive this as an expansion of existence itself. Its just nothing propagating as something. Like a rock on a sheet smooth pond and the ripples that follow.

  • @bobblacka918
    @bobblacka9184 жыл бұрын

    This is best explanation of Dark Energy I have ever seen. I like the way you look at opposing theories and compare the pros and cons. Looking forward to the next video. Keep up the good work!

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    Sinse all is not to clear is good too see the different points of view not just the standard more acepted thing.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @Donald Kasper I can prove that there is no need of dark dark matter to explaine why stars from galaxies dont flye away with a DNA photo that suggests there is not a single star that is not ENTANGLED as pair to another one, the entanglement is done from NORTH to SOUTH and all the pairs entangled cross same center poit of the system(WHITE SPHERE) which is the only way you can CREATE A PULLING FORCE not other wise, such pulling can be done because matter follows atomic weight and at the meadle of the gaseous(lighter matter) and the solids( heavier stuff) a disc is made that is stronger than north and south cause is made of both charges and sinse they cant cross or mix all the way but just a bit for the reson of atomic weight. - FOR THE SAME REASON THE QUINTESSENSE THING CANT BE, tell me how a lightter particle(from north) will become heavier than a south particle since they cant mix in other words in the north side a solid particle cant be is not its place. for more info take a look to my channel. In conclusion entanglement is the way all systems stay togather with out flying apart, its pure atraction from north to south in respective orbits, yes¡? there are 4 orbits seen in the DNA picture and each represent a color.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @Donald Kasper well my work is there you are welcome to take a look as well to comment if you like, there over a thousand of ease equetions that back up what i have sayed, actually part of the numbers are in the second last video of Avin Ash, most of them belong to a Mayan Calender that as well I decoded it and the numbers of the DNA are found as well in the calender some way or many others.

  • @IamAWESOME3980

    @IamAWESOME3980

    3 жыл бұрын

    Answer to what, why, and how: God says universe obeys these particular laws and so it ever thus.

  • @heidilitkowitch1604

    @heidilitkowitch1604

    2 жыл бұрын

    Lol p

  • @funnybugsbunny
    @funnybugsbunny3 жыл бұрын

    As a layman and cosmology enthusiast, to me this is one of your most profound videos, explaining many views, touching upon many topics in question.

  • @slipperypete9283
    @slipperypete92833 жыл бұрын

    I could actually hear all that info fly over my head.

  • @fiberbuild
    @fiberbuild4 жыл бұрын

    Mr. Ash, you are a great communicator. Thanks for making these wonderfully informative videos. I learn something new every time I watch them.

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Great! Thanks for watching my friend.

  • @alexdrudigmail
    @alexdrudigmail4 жыл бұрын

    Arvin, you have the ability to answer questions I still have after watching/reading other material on the subject. Good job!

  • @johnconnell8436
    @johnconnell84362 жыл бұрын

    Sir, if you had been my science teacher I'd have chosen a different profession. Once again, excellent video. 👍🏻

  • @dawnwatching6382
    @dawnwatching63824 жыл бұрын

    thanks for making these, always looking forward to the next one!

  • @felixcuevas1342
    @felixcuevas13424 жыл бұрын

    Great video ash. I enjoyed watching! do a video on electron degeneracy pressure PLEASE!

  • @damoneaves8661
    @damoneaves86612 жыл бұрын

    Wow. This is so in depth. Thank you SO much!

  • @jellybertdelattiba7603
    @jellybertdelattiba76033 жыл бұрын

    These equations are poems to my ears with your explanations. Thanx for the treat !

  • @CaptainPeterRMiller
    @CaptainPeterRMiller4 жыл бұрын

    Arvin, "What is Dark Energy made of?" is another fascinating and very interesting video. You're taking the viewer further into the mysteries of the Universe. Will we ever find the Answers? Well done and well explained.

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Thanks for being a reviewer. I appreciate your eagle eye!

  • @tomrhodes1629

    @tomrhodes1629

    4 жыл бұрын

    Captain Miller, the answers have been found. Max Planck knew, all those years ago (as evidenced by his 1944 speech in Florence, Italy). All is Thought in the Great Mind that many call "God." As Planck said: "This Mind is the matrix of all matter." ALL IS THOUGHT. And that's as close to absolute Truth that either science or religion is going to get, so long as we are experiencing LIMITATION. Want to know more? I've got it. But I don't receive KZread comments notifications, so investigate me and you can contact me through my websites, if you are one of the tiny minority of people (at this point in time) who truly seeks Truth, with a capital "T." My regards!

  • @5dgisd528

    @5dgisd528

    4 жыл бұрын

    Indeed, this video really illustrates the mystery that the universe is. The deeper you dive in, the more mysterious it becomes. If you smoke DMT, you dive further into the mystery than you could ever imagine, in fact you become the mystery. Not trying to advertise it, but it gives a perspective and experience on a whole new, indescribable level.

  • @BigNewGames

    @BigNewGames

    4 жыл бұрын

    Do you really want to know what is causing space throughout the universe to expand exponentially with distance? Because no one else wants to listen to what I have to say. I not only know what dark energy is, what is causing it but I came to the conclusion that the action causing space to expand is responsible for both gravity and dark matter too. So simple I can't believe Einstein didn't figure it out back in the early 1900's. Maybe because if he had acknowledged this action the secrets of the universe would have been widely understood and there would have been little reason to research astrophysics any further? An easy fix to Einstein's field equation. After I fixed his equation it took general relativity in a different direction. Instead of the postulate nothing can escape the gravity of a black hole, not even light it turns out that nothing can fall into a black hole, not even light. Thus in 2004 I made the prediction that eventually astrophysicists would discover black holes to be spewing massive amounts of energy. When the energy slows to a rest relative to the black hole it converts into elementary particles, heat and electricity (electrically charged hot gas). The gas is NOT attracted to other mass until it loses it's heat and charge. Thus the energy and gas that surrounds a black hole will be found to be moving away from the black hole in every direction. The stream of hot energy and gas flowing away from a black hole will not allow matter to get close to a black hole. The black holes do not have event horizons. They do not have photon spheres. They do not have accretion disks! All these predictions and more, like the information paradox is wrong. I'm sure you'll want to talk or meet me soon after direct observations of Sgr A* show that I'm right.

  • @hyperduality2838

    @hyperduality2838

    4 жыл бұрын

    Dark energy = repulsive gravity or hyperbolic geometry. Energy is dual to mass -- Einstein Dark energy is dual to dark matter Negative curvature is dual to positive curvature (Gauss, Riemann) Schrodinger's cat: Alive (thesis, being) is dual to not alive (anti-thesis, non being) -- The Hegelian dialectic! Perpendicularity in hyperbolic geometry is measured in terms of duality.

  • @pressaltf4forfreevbucks179
    @pressaltf4forfreevbucks1794 жыл бұрын

    This dark universe "trilogy" was actually great. Thanks for the informacion and keep up the good work.

  • @amaliaantonopoulou2644
    @amaliaantonopoulou26443 жыл бұрын

    Congratulations!it's a very well understood video, thank you for sharing!

  • @bobdavis7192
    @bobdavis71924 жыл бұрын

    Not a physicist, not a mathematician, not a scientist, but hooked on Arvin Ask. I'm hanging on by a thread and will need to re-watch most of his videos because they are fascinating.

  • @ShannonMcDowell71
    @ShannonMcDowell714 жыл бұрын

    Thank you for another informative and extremely well-explained video; I always appreciate your videos and look forward to them - Stay healthy and safe!

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Thanks brother. You do the same.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@ArvinAsh It looks you have time to focus(answer this kind of comments) but not othrer.

  • @firezone5163
    @firezone51633 жыл бұрын

    How do you only have 235K Subscribers? You're an extremely underrated person!

  • @joshuamedina7215
    @joshuamedina72153 жыл бұрын

    Other people do a good job explaining these things too. But you by far make these concepts the most comprehensible!!

  • @ommeking
    @ommeking4 жыл бұрын

    You're the only channel that I pay attention to every word you say and absorb so much. Even though I don't understand roughly 25 percent, it's still a worth the watch. Keep up the hard questions and theories.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    Well dont turn to another channel you will be waisting time.

  • @jetfuel12
    @jetfuel124 жыл бұрын

    Another stunning video Arvin, well done sir. Superbly explained.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    He is good at that.

  • @kidzbop38isstraightfire92
    @kidzbop38isstraightfire923 жыл бұрын

    Great video as usual! On a side note, I've always had trouble accepting that the universe was flat. Nothing in space seems to be flat. Plus, this seems eerily similar to how people thought the earth was flat until they were able to explore it and then ultimately calculate that it was a sphere. I think that we will have one of these revolutionary moments with regards to space, and hopefully we will have it in my lifetime. I realize that the data we have so far suggests a flat space-time, and I have nothing that can show otherwise...this is all based on my opinion (which is ignorant, I know, but everyone is entitled to one).

  • @ArvinAsh

    @ArvinAsh

    3 жыл бұрын

    You have to remember that "flat" in terms of the universe means flat in 3D, not flat like a pancake. The means there is no overall curvature to 3D space - parallel lines will stay parallel forever.

  • @kidzbop38isstraightfire92

    @kidzbop38isstraightfire92

    3 жыл бұрын

    @@ArvinAsh yes of course. It's very hard for me to imagine our universe wrapped around a 3-sphere (or is the universe the 3-sphere?), so I don't know what the implications would be. I imagine that all parallel lines would eventually converge, and we would be able to look out in any direction and eventually see ourselves (assuming we lived long enough for light to circumnavigate the 3-sphere).

  • @rajachan8588
    @rajachan85887 ай бұрын

    Excellent. Thank you 🙏

  • @ranyeredt
    @ranyeredt4 жыл бұрын

    Amazing video. Always so meticulous. Great simplified explanation.

  • @dartagnanx1
    @dartagnanx14 жыл бұрын

    Love these!

  • @Boogieplex
    @Boogieplex3 жыл бұрын

    I wish my teacher’s back in my school days were this concise and straight forward,I probably would’ve been more inspired in my education,and became somebody.

  • @schoolofboxing8387

    @schoolofboxing8387

    3 жыл бұрын

    Damn ! This resonated with me haha ... I hated physics and most studies because my teachers made them so boring when I was a kid . They’re the real criminals 😤😂

  • @aduts1177

    @aduts1177

    2 жыл бұрын

    Cause they Just memorize and vomit for money,they Don't have interest in it

  • @JasonJason210
    @JasonJason2104 жыл бұрын

    Just discovered you videos. I now rank your videos as essential bedtime viewing along you with Matt of PBS and Don Lincoln of Fermilab.

  • @solapowsj25
    @solapowsj253 жыл бұрын

    The presentation and graphics are excellent👍👏😆

  • @videoswithsubscribers-xk5hb
    @videoswithsubscribers-xk5hb4 жыл бұрын

    Back with another banger Arvin, your videos are ones that I will have to keep revisiting as my science knowledge slowly increases. I'm sure you could be a prominent figure in popular science teaching like ND Tyson etc... Have you thought about doing Q&A videos or vlogs or even trying to get on a popular podcast?

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Have not. I'm just a small time KZreadr. But thanks for the thought.

  • @videoswithsubscribers-xk5hb

    @videoswithsubscribers-xk5hb

    4 жыл бұрын

    @@ArvinAsh The reason I say it is because once the audience feels like they know the person making the video they will engage more.. It's sort of like sports personalities marketing themselves on the internet. A few behind the scenes videos and some answering of submitted questions and before you know it, someone like me (who has very little interest in sport) is now watching these sports stars play their game all because it feels like i'm watching a friend... Science people tend to market themselves terribly and this could be the reason for little engagement from the masses. You on the other hand are a very effective communicator and would benefit greatly on marketing yourself better to your audience. The great thing about a vlog is that it has low production value but can be just as entertaining, think of you just out in your backyard sharing a thought experiment like a Feynman esc type thing.. I know intelligent people are usually introverted and have no interest in appealing to the masses but if you could overcome that hurdle, you'd be doing humanity a great service.

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    @@videoswithsubscribers-xk5hb Those are great thoughts! Maybe if the channel gets a larger following, a popular podcaster might want me. Hadn't thought about vlogs. I don't really know what they even are...lol. I thought my videos are like vlogs.

  • @Dragrath1
    @Dragrath14 жыл бұрын

    I recommend listening to Sabine Hossenfelder's interview Dr. Sarkar's as he addressed why the other lines of evidence don't have as strong of a weight as it seems at first glance and it was quite enlightening changing my perspective on the issue considerably. In particular he points out that in processing data for the large scale structure of the universe scientists have assumed large scale isotropy of the universe which is a valid critique regardless of whether or not he turns out to have been right or not as while valid for fitting a model it is not valid for finding a model. In terms of statistics this is assuming and underlaying distribution and fitting for what parameters the observations best fit despite not having a statistically significant sample size. Assumptions are important to keep into consideration as this assumption has been applied across cosmological results despite existing evidence that our universe is not isotropic from the CMB model and more recent efforts to map out the large scale structure of the universe via surveys. In principal the problem with this assumption is that the distances corresponding to a given redshift are based on the assumption the large scale distribution of matter is isotropic i.e. assuming isotropic galaxy distribution beyond 100 Mpc(mega parsecs). However he goes to explain how this assumption does not match the data which shows a non local anisotropy corresponding to the CMB dipole within the radio with mean motion four times larger than the CMB dipole additionally using tomography they found the same dipole in the raw supernovae observations except with higher uncertianty due to the far smaller sample size but most importantly significant anisotropy presisted out to the Shapley Supercluster around 200 Mpc which is enough to invalidate the model assumption of isotropy beyond 100 Mpc. Since then other astronomers such as the Nearby Supernovae factory have determined this anisotropy extends well beyond that distance. And the most recent result of survey using 11,000 high redshift galaxies extends this observed peculiar velocity flow even further with tighter error bars Since the model assumed to compensate for the lack of data assumed no peculiar velocities and 3 quarters of the galaxies in the type 1a supernovae catalog have been found to have peculiar velocities in a bulk flow it is not valid and there is not a large enough sample size to claim high significance you can't actually rule out any models or claim particular values with any degree of confidence as there is still a sizable chance that the observations are noise well below 3 sigma. He also says the covaliance matrices they used to correct the initial supernovae data were not positive definite and thus their corrections were unphysical . Dr. Sarkar does not make any claim that dark energy does or doesn't exist his argument is that we don't have enough observational data to make a high confidence observation for cosmological observations i.e. the sample sizes are too small for you to be able to remove false positives right now we can only test fits for independent models but that doesn't tell you the real distribution as any models can achieve a significant fit with the right parameters. This is the crux of hist argument there just is not enough data to actually assess if a given model actually fits the data well or not because the sample size is far too small in order to actually claim 3 or higher sigma. Attempting to combine data sets or using empirical correlations allow you to artificially boost the apparent sigma value however this introduces errors from all the biases and assumptions needed to compare them which renders it just as unreliable. The Square Kilometer Array will hopefully give a large enough sample size for cosmological if it actually comes to fruition without that there isn't enough data to actually make a confident claim about effects at the cosmological scale which applies to the Supernovae data, Baryon Acoustics observations, measurements of the curvature of the universe etc all need far more data than we currently have in order to actually build a large enough sample size to apply statistical methods with enough accuracy to actually select for models as opposed to fitting models. It all comes down to that independent distance measurements are needed beyond redshift to interpret redshift properly and this is hard to do but no amount of fancy statistical methods can allow you to get around the simple fact that there is not enough data to actually rule out cosmological models. Basically he is calling out the cosmological community for not properly doing statistics with sufficient mathematical rigor to make the claims they are making, largely because the effects they are looking for are small so you need a sample size of millions to billions to actually get a good enough distribution to rule out any model distributions. The observations tell us that the assumption of isotropy is invalid and thus the cosmological community needs to reanalyze their data that is his argument. Whether dark energy exists or not is external to the issue Dr. Sarkar raises. "We are trying to make a clear distinction between what is measured and the interpretation". As such the attacks on his work seem perplexing to me as they are mathematically and logically sound arguments. kzread.info/dash/bejne/dGWh2buxm8uzlZs.html

  • @witsend177

    @witsend177

    4 жыл бұрын

    I appreciate your time in response and I love your brain. See ya on the dark side

  • @BladeRunner-td8be

    @BladeRunner-td8be

    4 жыл бұрын

    Galaxies are rotating much much too fast based on the matter we can see in them. They should be flying apart. Some kind of invisible energy must be holding them together OR the theory of general relativity changes as we start measuring things which are very far away and very large.

  • @alamagordoingordo3047
    @alamagordoingordo30474 жыл бұрын

    Thank you Arvin, very clear explanation.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    He is an exelent explaner but the matter has no way to explaine it as you may hear: MAYBE, COULD BE, looks like, if, some how etc.

  • @dsinghr
    @dsinghr3 жыл бұрын

    Very high quality videos. And you are so nice to hear

  • @ArvinAsh

    @ArvinAsh

    3 жыл бұрын

    I appreciate that!

  • @farhananik5427
    @farhananik54274 жыл бұрын

    I'm a doctor from Bangladesh. I love cosmology and astrophysics. I like your videos and watch them regularly ❤ Best wishes for you ❤

  • @bruce6rt

    @bruce6rt

    4 жыл бұрын

    dontknow What the hell is wrong with you?

  • @bruce6rt

    @bruce6rt

    4 жыл бұрын

    Michael Thompson Well if you can’t figure that out for your self then I feel sad for you.

  • @bruce6rt

    @bruce6rt

    4 жыл бұрын

    @Michael Thompson Guy makes a pointless obnoxious comment and you can't get that.

  • @bruce6rt

    @bruce6rt

    4 жыл бұрын

    @dontknow You mate. Kind of a dick comment. Unless I'm missing the joke.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    You might say I am crazy after reading what is next but take a look to it, its a DNA picture that added numbers to it, found 6 forms to add sequences of numbers and all show entanglement as pairs in respective orbit(same), the figure is made by 7 circles, six of them encircle one at the center that is white that is the inside hexagonal, the 7 circles form 4 hexagonals that each belong a color so make 4 orbits and more dont have time to write it all but see some other programs of Arvin dont remember which but there are most of the numbers that move as around, its easier if you just take a look to my channel, all the photos are about the same in all videos, I think that this numbers might be of so much help to stop the CORONA VIRUS, all of the time in the very little time that i have just aplayed my 2 works to astronomy and they match so well, the thing is that dont know of DNA at all but believe the numbers say sentences and ways to dicode the language of all DNA maybe only the numbers of the virus are the ones that we have to see to just know how it does it and as well there is the periodic table in anlist 5 forms of making groups, CANT explane all not even in the videos is the time of litlle times of over 14 years that is out there with diferent people but they are kind of blind to see them anlist the ones I gave all my 3 books in coppy right, it is worth it to look at them if you find some numbers to share with as they are welcome in here or where ever you whant, the bottles are out in the sea hope you will open yours.

  • @Nienormalny
    @Nienormalny3 жыл бұрын

    I love the clarity of the way you explain things to people. Great video! What the heck is wrong with your hair?;)

  • @ArvinAsh

    @ArvinAsh

    3 жыл бұрын

    What hair?

  • @CJ-M43
    @CJ-M434 жыл бұрын

    My favorite KZread channel for science content

  • @trebell885
    @trebell885 Жыл бұрын

    So happy 2b back in school. Just wish twas 30 or more years ago. I'm all ears now. Love it. So relaxing ☯️peace love & happiness ✌️

  • @juancarlosp.f9519
    @juancarlosp.f95194 жыл бұрын

    Amazing way to teach

  • @jacktheiss4085
    @jacktheiss40854 жыл бұрын

    Oh yeah, a 16 minute Arvin Ash video. Time to get the popcorn and prepare to learn more mind blowing secrets about the universe!

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Lol. Sorry for the length brother! But I wanted to be as thorough as possible.

  • @jacktheiss4085

    @jacktheiss4085

    4 жыл бұрын

    Arvin Ash I love the length. More time to be enlightened!

  • @lordkekz4

    @lordkekz4

    4 жыл бұрын

    @@ArvinAsh I think 16 minutes is a great length for informational videos like this one.

  • @robotaholic
    @robotaholic Жыл бұрын

    Seeing big red x's drawn through complex equations is incredibly pleasing lol ty!

  • @cbmasson3572
    @cbmasson35724 жыл бұрын

    Fascinating video

  • @meriammohammedadem3191
    @meriammohammedadem31914 жыл бұрын

    I dont know why but i really love your videos and I wish you the best And I know that you will reach 5 million subscribers very soon

  • @danerman73
    @danerman733 жыл бұрын

    Wonderful video once again. We are made of the highly special 4% of the energy of the universe. Depends on the perspective if we look at it as minuscule or special.

  • @jamal2558
    @jamal25584 жыл бұрын

    Great video.. love your work

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    me too.

  • @theklaus7436
    @theklaus74363 жыл бұрын

    May i suggest you read the manus . It can at least for me bring a better understanding of the topic. But I certainly hope the James Webb telescope can provide us with measurements so we can rule out on or another of these theories or hypothesis. But as usual a very exciting show about this mystery

  • @markosullivan6444
    @markosullivan64444 жыл бұрын

    Absolutely fascinating. Making me consider just how insignificant we are in the universe is a great tonic to the current human situation we're all living through. Thank you!

  • @officialarchiemo
    @officialarchiemo3 жыл бұрын

    I took shrooms one time and seen like this dark waves lines all connected like the net they show. I would put both my hands together in a O and seen it get compacted in the inner O of my hand. And when I would break the O seen it flow right back to connect with the rest

  • @firefly898

    @firefly898

    3 жыл бұрын

    Was a mad trip it seems😂

  • @bodiless99
    @bodiless99 Жыл бұрын

    I had insomnia last night and kind of figured this out on my own, that as space expands there is more space, so more vacuum energy or quantum fluctuations or whatever you want to call it. All of a sudden, the acceleration of the expansion makes sense to me. Over truly huge distances, there is enough energy in the empty space to cause it.

  • @anishgiri1633
    @anishgiri16332 жыл бұрын

    Best video ever!

  • @ramprakash1562
    @ramprakash15624 жыл бұрын

    You are better than PBS space time...really....you are fabulous

  • @CallsignJoNay
    @CallsignJoNay4 жыл бұрын

    Arvin, I'm a person with only average intelligence on these subjects, and there is a question on my mind that maybe you can help me with. They say that the universe is flat in 4D spacetime, yet space is expanding. To me this sounds like a contradiction. For example, imagine two spaceships lined up next to each other at a start line and setting out on a journey towards a finish line 90 billion lightyears away. The two space ships begin on a course parallel to each other and have the same velocity. They make no course corrections along their journey. Wouldn't the distance between the two spaceships gradually increase along their journey as 4D spacetime expands? And wouldn't their parallel courses curve away from each other proportionately to the time and distance travelled? To me this seems to indicate that 4D spacetime is saddle shaped. What am I misunderstanding?

  • @christianheichel

    @christianheichel

    4 жыл бұрын

    That's a really cool thought I know I can't understand it.

  • @CallsignJoNay

    @CallsignJoNay

    4 жыл бұрын

    @dontknow Ok. So imagine the two spaceships being separated from each other at the start line by a large distance where the force of gravity is less than the rate of spacetime expansion.

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    First I have news for you, only highly intelligent people think they have average intelligence. Average intelligence people routinely think they are smarter than average. Regarding your question, that is an excellent thought experiment. Let me see if I understand correctly: Let's say the distance between the two ships is 1000 feet. Space within this 1000 feet is expanding at a very small but constant rate. But if the space between the two ships remains constant, the constant rate of expansion between the ships will be the same throughout their trajectory. In other words, the 1000 feet from where they started in space will have expanded the same amount as the 1000 feet at the end of their journey, so the trajectory would have remained parallel throughout.

  • @CallsignJoNay

    @CallsignJoNay

    4 жыл бұрын

    @@ArvinAsh Let's say they are separated by more than 1000 feet so that the force of gravity doesn't interfere with the thought experiment. Let's say they are separated by a light year. Their finish line is 90 billion light years away and they are travelling at sub light speed. At the end of their journey wouldn't they be separated by more than 1LY? Wouldn't they in fact be separated by several LYs by that point? Perhaps even millions or billions of LYs? And wouldnt the rate of expansion between them increase along the journey to a point somewhere along the way where they would be moving away from each other faster than C? And wouldn't their vectors eventually not be parallel anymore? Wouldn't they be curved away from each other, and in fact begin curving away from each other the moment they began the journey? They would seem straight to each individual spaceship but when tracked relative to each other by an independent outside observer they would be curved away from each other over time and distance, no? It seems to me that the universe is saddle shaped, not flat. But all the experts in the field say that it's flat, so I must be misunderstanding something.

  • @lordkekz4

    @lordkekz4

    4 жыл бұрын

    @@CallsignJoNay First of all I have to agree with Arvin's first point, and that certainly means something coming from a smart guy like myself! Now to my thoughts on the experiment: *1. Does the distance between the spaceships increase?* Yes, space between they will expand. And if for each newly created volume of space there is also an expansion (which I'd surely expect) it does speed up too. If it expanded fast enough and/or their distance is large enough their distance might even increase faster than c and thus the starships not be causally connected anymore (meaning they can't possible interact or communicate in any way). *2. If their distance increases, won't their movement vectors diverge?* Nope. Both of the ships is following a straight trajectory. The increase in their distance does not come from the ships moving apart (which would of course alter their movement vectors) but from the space between them just getting bigger. Neither ship experiences an acceleration/rotation due to the expansion of space. Therefore parallel vectors are conserved even if distance is not. *3. What does that say about the geometry of spacetime?* I have no clue. I honestly don't see in what way the expansion of spacetime would effect it's geometry. (flat, saddle-shaped or other) Do my points make sense or did I mess up somewhere? I'm not a physicist after all xD

  • @cjmahar7595
    @cjmahar75954 жыл бұрын

    Fascinating

  • @asifbajwa826
    @asifbajwa8264 жыл бұрын

    It's only your videos that i have to watch at least thrice... First I'm happy to know... oh..!there is a new video from arvin ash... Afterwards I'm holding my head with both of my hands... watching the video again and again... thinking oh i got to grasp it.. Anyhow... great work... thank you very much sir.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    He is good at explaining why did it take to long to get it?

  • @asifbajwa826

    @asifbajwa826

    4 жыл бұрын

    @@espaciohexadimencionalsern3668 not everyone is smart like you..! There are also people like me... Dumb but curious.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@asifbajwa826Iam not smart as you think, I understood the video very well cause all the videos that are out there in you tube are made with out the math that is a thing that always gave me hard time as well grammer, but if you are a beginer in this kind of programs that is why maybe you didnt get it at the first time. some times is hard to me to get ideas that are so simple for others, as well I like to wonder in the forms of things as well always I wonder of the cosmos and love each video that speak of the cosmos spetially if there are some graphics in the video. - dont think that you are dumb person ; just tried to make a jocke as i like to do when i write in the coment section, some times the comments make me laugh a lot, thanx for writing.

  • @asifbajwa826

    @asifbajwa826

    4 жыл бұрын

    @@espaciohexadimencionalsern3668 it's extreme and complex science... that is hard to comprehend ... you know there are lots of theories... and theories are not facts but they are fascinating... The real hard thing is to extract the true possible real knowledge out of all those theoretical ideas. So you have to accept or dismiss a theory to believe in it.. Arvin ash gives his own possible conclusions but we have to conclude the end result on our own. Am I right..?

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@asifbajwa826 See you are not domb at all, yes you are right, you have to conclude the end result in your own based on what you know or believe for some reason. - I am almost totally against physics in the way they see the cosmos, they see a flat space while mine is hexagonal coned shaped, they dont see it in colors and I see colors in the cosmos as well in the air, they see an ever expanding universe whene I see that it only breathes, they say all came to be the way it is by a BIG BANG but I think we only need bangs of all sizes but to get energy from it, i think light cant be constant at all but they do, i see that in the universe must be a north and south but not for them, they think that the neutral part does not interact with the positive and the negative whene i think it must to interact with both so to keep the systems stable and much more, I do have my channel if you like to take a look to my videos you are welcome. thanx for your words.

  • @EbonyWolf.
    @EbonyWolf.4 жыл бұрын

    Most stuff in the universe seems to have a fractal involved, in a way that you can scale the concept up or down magnitudes and preserve the behaviour. Could some of the fundamental forces of nature be diferent magnitudes of a fractal? and dark energy be diferenct forces that manifests in super large scales magnitude?

  • @deepstariaenigmatica2601

    @deepstariaenigmatica2601

    4 жыл бұрын

    PLANCK SCALE, BRUH.

  • @jayworldjs

    @jayworldjs

    4 жыл бұрын

    @@felixcuevas1342 Google fractal patterns found in nature

  • @chrisparker2118

    @chrisparker2118

    4 жыл бұрын

    Plasma and electromagnetism.

  • @keys72

    @keys72

    4 жыл бұрын

    felix cuevas I think what he means is that perhaps gravity might behave differently on extreme scales, maybe if you get enough space between 2 points gravity inverts and repels instead of attracts, but then there’s dark matter which kinda doesn’t make any sense at all by that logic. Perhaps something very special happens on a galactic scale as in enough diverging realities gravities overlap around galaxies, but those realities are too diluted to notice on the scale of the solar system. I think we probably need a lot more data, and an order of magnitude more sensitive gravitational wave observatories or some other crazy experiments before we find out.

  • @keys72

    @keys72

    4 жыл бұрын

    felix cuevas What are you talking about? As above or below what?

  • @glenndunn7884
    @glenndunn78844 жыл бұрын

    With gravity being something we don't know could dark energy be gravity in reverse . kind of like a positive and an negative . ?

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    It does appear to be a kind of negative gravity, but the difference is that its source is unknown.

  • @StuMas
    @StuMas4 жыл бұрын

    Hey Arvin - another great video. Please can you help with something I've been really curious to know: In these kind of situations, which is more reliable or 'top trumps' - logical reasoning or scientific theory? Are theories guided more by logic or maths (where direct observation is not possible)?

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Interesting question. If there is not direct observation possible, then I think currently, any theory with a mathematical basis is going to be more credible. The problem with logic is that at the fundamental level, science is not always logical, since the universe has no obligation to be logical to us.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@ArvinAsh It is logical to me, the universe is more logical than GR.

  • @The_NASA_GUY
    @The_NASA_GUY3 жыл бұрын

    Excellent video. I like the fact that you give credit even to scientists with different view points. I like the fact that you keep an open mind. I really like your videos.

  • @ArvinAsh

    @ArvinAsh

    3 жыл бұрын

    Thanks. I try to present evidence, not a point of view.

  • @The_NASA_GUY

    @The_NASA_GUY

    3 жыл бұрын

    @@ArvinAsh you do that very well. I sent your links to several people I know that like physics but are not profesional scientists. They can get the big picture.

  • @imgayasheck595
    @imgayasheck5954 жыл бұрын

    When are you going to make a video about conformal cyclic cosmology

  • @TheD4VR0S
    @TheD4VR0S4 жыл бұрын

    How does dark energy go with conservation of energy? oops serves me right for asking questions before watching the video

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Great question! There are two ideas on this. The one I talked about in the video is that as more dark energy is added, it is counterbalanced by an equal amount of gravitational potential. But some scientist say that conservation of energy need not be preserved in general relativity. I prefer the former idea.

  • @nafnist

    @nafnist

    3 жыл бұрын

    The second idea is prolly the truth. Conservation of energy makes less sense the larger picture you see.

  • @dimetilldeath
    @dimetilldeath6 ай бұрын

    I love your vids man

  • @binbots
    @binbots3 жыл бұрын

    Great video. Just wished you explained the the dark energy from Cosmic Hawking radiation theory. Seems very interesting.

  • @kumar7359
    @kumar73594 жыл бұрын

    Thanks for the wonderful presentation. One silly doubt, if dark energy is so large why isn't it pulling us away from the gravity that we experience?

  • @Nomphalos

    @Nomphalos

    3 жыл бұрын

    The effect is weak enough that gravity can overcome it locally but at the scale of the universe dark energy dominates because it is constant throughout space.

  • @kumar7359

    @kumar7359

    3 жыл бұрын

    @@Nomphalos thanks.

  • @tonydmty1234567
    @tonydmty12345674 жыл бұрын

    Plot twist: Aristotle was visited by alien sentients called "Celestials" which revealed some interesting stuff to him. ";-)

  • @das_it_mane

    @das_it_mane

    4 жыл бұрын

    TONY or he did drugs

  • @Cyber_Kriss

    @Cyber_Kriss

    4 жыл бұрын

    Aristotle smoked weed

  • @garystroup4298

    @garystroup4298

    4 жыл бұрын

    Ancient Astronaut Theorists say yes

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@Cyber_Kriss not the only one, green is ok. dont exed to much please. even good staff like food or drinks may kill you.

  • @maquinaghost389
    @maquinaghost3894 жыл бұрын

    Great vidz

  • @thewhizkid3937
    @thewhizkid39374 жыл бұрын

    This channel along with Physics Girl and Vertusin (spelled that wrong) are really good at explaining things. Worth the time to watch Sixty symbols as well

  • @vukashin88

    @vukashin88

    3 жыл бұрын

    Did anyone call?

  • @InnerLuminosity
    @InnerLuminosity4 жыл бұрын

    Luminosity you say ;)

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Good to have you here luminosity!

  • @ratajs
    @ratajs4 жыл бұрын

    7:18 Isn't it h/4π?

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    It depends on which version you use. If you use position and momentum on the left side then it would be 4pi. I used energy and time. In this case, the right side is actually the reduced Planck's constant, so it's over two pi.

  • @jensphiliphohmann1876

    @jensphiliphohmann1876

    4 жыл бұрын

    @@ArvinAsh I wonder. There should be no difference between the momentum-position (p-x) uncertainty and the energy-time (E-t) one because circular frequency ω=2π/T=2πE/h (where T is the period) is just the temporal counterpart of the spatial "wave number" (rather wave density) k=2π/λ=2πp/h where λ is the wave length.

  • @evollove19
    @evollove194 жыл бұрын

    The universe is probably infinite or at least 250 times larger than the observable universe. Could there be areas beyond that that are collapsing? Maybe the local area we happen to be is an area that is expanding, but somewhere else you may run into where the universe is contracting. This could be happening in many places that are expanding and others that are contracting. The areas expanding are like ripples in a lake. So the dark energy is just coming from the areas of the universe contracting pulling on the fabric of space. At some point they may reverse and start expanding in a big explosion, sending a long of contracting space back at us, and our area will become the area contracting and stretching the universe around us.

  • @evollove19

    @evollove19

    4 жыл бұрын

    @H D Sounds good, black holes are said to be the opposite of the big bang or inside them possible big bangs. The math of the two seem to line up that way. But I dont think of the black holes as the areas pulling the universe to expand and cause the appearance of dark energy. I think thats just concentrated matter causing infinite mass at a point and curving the space time infinitely. For instance, the sun with its same mass happened to be a black hole, the planets would continue orbiting without effect. It doesn't seem to be pulling the fabric of space and causing more of it, its just curving it. Really just throwing this idea out there. I think dark energy is just how space behaves. If you have a square foot of space it will turn into 2 square feet after a moment, and those two new square feet will then also expand. Its just what space does.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @H D Black holes cant exist with only one charge, some say that white holes are the pairs of black holles but if so the way they draw them is not correct because where to oposite charges meet there is always a disc created by both and they no even speak of the disc that acts as neutral and has or is made by both charges.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@evollove19 math works but in the right frames, dont think the math of flat space is the right frame.

  • @stevejeffryes5086
    @stevejeffryes50864 жыл бұрын

    Does the Lorentz transformation equation make any suggestion as to what sort of particle might possess negative energy? Specifically, if you ignore the seeming barrier of the infinity at c and just go ahead and calculate the transformation for v>c, what would be the mass and energy of any particle in that realm? Would it be possible for particles to pass into our observable sphere from beyond the boundary of the observable universe where the recession rate equals the speed of light?

  • @ramprakash1562
    @ramprakash15624 жыл бұрын

    I am waiting for Einstein field equations

  • @notyou6950
    @notyou69504 жыл бұрын

    It's invisible, it's undetectable, can't find it. Maybe, the theory is wrong? You ever thought that you're looking for the wrong thing?

  • @quasimobius

    @quasimobius

    4 жыл бұрын

    More like "making shyt up" to get funding from people who don't have any physics knowledge.

  • @JohnnyAmerique

    @JohnnyAmerique

    2 жыл бұрын

    It’s invisible but not undetectable; we can see its effects. The wind is also invisible but we know it’s there.

  • @JohnnyAmerique

    @JohnnyAmerique

    2 жыл бұрын

    @@quasimobius It wouldn’t be a KZread science video without the obligatory community college dropouts who think they’re more knowledgeable than career Ph.D scientists.

  • @totallyrandom4664
    @totallyrandom46643 жыл бұрын

    Subscribed!!!

  • @ericmaher4756
    @ericmaher47563 жыл бұрын

    Good thing that was the simple explanation..

  • @geemanbmw
    @geemanbmw4 жыл бұрын

    That's where all the toilet paper went 🤪

  • @theultimatereductionist7592
    @theultimatereductionist75923 жыл бұрын

    70% of the universe is sponsors like Magellan TV.

  • @aduts1177

    @aduts1177

    2 жыл бұрын

    Hmm,nicely said. They are everything but still gets less screentime

  • @ItsMe-rp6rf
    @ItsMe-rp6rf3 жыл бұрын

    Thank you sir. Thank you thank you thank you . I have no words to thanks.. Just thanks soooo much I understood the Heisenberg uncertainty principal ... Just thank you sir.🙏😭🤝..

  • @aclearlight
    @aclearlight3 жыл бұрын

    Bravo!

  • @VikashXman
    @VikashXman4 жыл бұрын

    Your video is amazing but i am soo dumb that i didn't even understand anything :p

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Sorry to hear that. I put a lot of information in this one, so I highly recommend multiple viewings. Like good wine, you will pick up new tastes with every sip.

  • @certaindeath7776

    @certaindeath7776

    4 жыл бұрын

    noone really understands this. if you know that you dont understand it, you know more than 90% of the people. congratulations mate :)

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@ArvinAsh dont take to much then your thinkings as well your equilibrium will go down to the floor.

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    @@certaindeath7776 5 persen is real the other who knows?

  • @voidremoved

    @voidremoved

    4 жыл бұрын

    @@espaciohexadimencionalsern3668 Yes kzread.info/dash/bejne/kXWYssuLh6zHnZM.html

  • @antoniomaglione4101
    @antoniomaglione41013 жыл бұрын

    The toughest matter on Earth. Thanks for explaining what remain understandable of it. Personally, I believe our theoretical approach to the Universe is, not wrong but incomplete. Our science, my theory goes, contains one single erroneous preconception, which is causing a chain of wrong interpretations of the reality that sorrounds us. The level of this wrong preconception stands where the concept of centrality stood before Copernicus, or where the concept of simultaneity stood before Einstein. My idea is that the concept of separability stands in the way of understanding the true nature of the universe. Separability allows us to have "things" which perform "actions", equivalent to the names and verbs in our experience. Separability allows us to use the concept of numbers, fundamental to our science (and that may be the problem). Universe may well be seen as an iteration of different actions, where objects and particles are perceivable, but are not really true, being a conseguence of the iterations mentioned above.

  • @4or871
    @4or871 Жыл бұрын

    I try to combine the cosmological constant and the schrodinger solution on the planck scale. I used planck units. At the end I went back to SI units to compare with the measured vacuum energy density (0.63 10^-9 J/m^3.) Combine: 1) Einstein, cosmological constant 2) Schrödinger solution 3) Planck units Result: - vacuum catastrophe solved? 1)Einstein, cosmological constant Λ = (8π 𝐺 ƐΛ)/(𝑐^4) Planck units: G=1 c=1 Λ (6.1871424 10^34)^-2 = (8π ƐΛ [planckEnergy/planckVolume] 1.1056 10^-52 (6.1871424 10^34)^-2 = 8π ƐΛ 0.001149 10^-120 = ƐΛ 0.1149 10^-122/ ƐΛ = 1 2)Schrödinger solution, n=1 (ℎbar^2 𝑛^2 𝜋^2) / (2𝑚𝐿^2) = E Planck units hbar=1 n=1 m= mplanck =1 L= Lplanck=1 0.5 𝜋^2= E 1= E/0.5 𝜋^2 3)Einstein, Cosmological Constant = Schrödinger solution 0.1149 10^-122/ ƐΛ = 1 = E/0.5 𝜋^2 0.1149 10^-122 0.5 𝜋^2= ƐΛ Eplanck Eplanck =1 0.1149 10^-122 0.5 𝜋^2= ƐΛ 0.567 10^-122 = ƐΛ [planckEnergy/planckVolume] 0.567 10^-122 1.9561 10^9 /(1.61625502 10^-35)^3= ƐΛ [J/m^3] ƐΛ = 2.627 10^-9 [J/m^3] Measured: 0.63 10^-9 [J/m^3] I am looking forward to your response.

  • @GauravKumar-qr8pt
    @GauravKumar-qr8pt4 жыл бұрын

    I love your videos 😍😍😍👌

  • @BillyBob-cx5vi
    @BillyBob-cx5vi4 жыл бұрын

    I never knew there was the same hostility towards dark energy as there was towards the big bang and the moon landing by certain people until visiting the comment section of this video. Guess you learn something new everyday.

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    If you keep reading the comments on my other videos, you will also find that there is apparently a big iconoclastic population of people that reject most anything that science can not completely answer, relegating it to various forms of conspiracies and malicious intent by mainstream scientists. If only we were that well organized.

  • @bigfish8555

    @bigfish8555

    3 жыл бұрын

    Coooooooool

  • @richardnelson4112

    @richardnelson4112

    3 жыл бұрын

    Well you should of definitely have left out the moon landing in order to criticize people who don't go along with what is being said in this video. If you actually believe they landed on the moon, could you please explain what the purpose of doing so was ? And depending on your response, another question might be àsked as to why have they not gone back there since

  • @BillyBob-cx5vi

    @BillyBob-cx5vi

    3 жыл бұрын

    @@richardnelson4112 To clarify, I wasn't necessarily implying that people who don't believe in the moon landing are stupid or have no basis for their opinion, I was simply drawing a comparison between how both groups seem to have this same hostility towards the idea, be it the moon landing or dark energy, and express their discontent in a very hostile way. And I would prefer not to get into arguments with strangers over the internet, if possible. I learned years ago that, win or lose, it doesn't really matter.

  • @LecherousLizard

    @LecherousLizard

    3 жыл бұрын

    @@BillyBob-cx5vi But there's a very fundamental difference between these two (Moon landing and everything "dark"). That is, said "everything dark" are purely mathematical constructs with no actual proof beyond "observations don't agree with the previously accepted theory". In about every other field of science, a theory that is wrong by such a huge margin would've been thrown out the window after double-checking the results.

  • @ToadRoach
    @ToadRoach4 жыл бұрын

    So we live in the goldilocks time

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    possibly.

  • @subhagnikpatgiri1919
    @subhagnikpatgiri19193 жыл бұрын

    Dear Arvin Sir, I have a confusion, viz., what is the difference between the two pie diagrams in which on one, dark matter is 85% of all matter in the universe (which you mentioned in the last video) and in the other (here) it is 26% of all the matter/things present in the universe. Interestingly, in many of the videos on youtube, and in a few research papers that I've read, both are represented and mentioned, but Sir, can you explain the difference in these two diagrams?

  • @sipplix
    @sipplix4 жыл бұрын

    Arvin, would it be possible for you to debunk or explain the plasma cosmologists theory about electro magnetism and the main plasma cosmology theory? They seem to have an issue with Dark Energy and Dark Matter. Great channel, very informative.👍

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Sure. But the problem is there are tons of fringe theories that should be debunked. People who are truly scientific do not need convincing. And believers of these fringe theories will never be convinced otherwise. Not sure there is an audience for debunking videos.

  • @robertaugustijn1157

    @robertaugustijn1157

    4 жыл бұрын

    It might be possible, but first you'd have to look into it. I don't see the mathemagicians do that very soon. If one looks at the magnetic fields in space with a radio telescope, you see the cosmic web. It's only the biggest structure in the universe, connecting all stars and galaxies. Why wasn't it's existence predicted, or is it explained by standard cosmology? In plasma cosmology it is actually required for the model to function. And the concept has been around for quite some time before the cosmic web was found to actually exist. Just look at the predictive power of the theory. There is one that is surprised by actual observations on a daily basis. And there is one that isn't. For instance: a cosmic jet has the same attributes of a plasma focus, which can be replicated in a laboratory. And has a solid theoretical basis. And then there is dark matter, which was mathematically inferred, because the observations didn't fit the theoretical model. How many sizes and flavours have been theorized for that? How about the simplest solution probably be the best solution?

  • @michaelnavarro9862
    @michaelnavarro98623 жыл бұрын

    What if dark energy can only be measure by an unconscious mind,or in the other dimensions of life

  • @aduts1177

    @aduts1177

    2 жыл бұрын

    Like ghosts?

  • @rodg011
    @rodg0114 жыл бұрын

    I know what dark energy is, SIMPLE , it is the thing that compensates for the errors in cosmological theories

  • @ESL-O.G.

    @ESL-O.G.

    4 жыл бұрын

    Lol. Right

  • @glenndunn7884

    @glenndunn7884

    4 жыл бұрын

    You just said what we all are thinking

  • @WhySoitanly

    @WhySoitanly

    4 жыл бұрын

    Super! Thank you. A voice for reason.

  • @abc55052

    @abc55052

    4 жыл бұрын

    For sure

  • @russellparratt9859

    @russellparratt9859

    4 жыл бұрын

    It's the fudge factor of cosmology, and exists in huge amounts within the imaginations of those who continue to support the "Big Bang" theory.

  • @caseydahl1952
    @caseydahl19522 жыл бұрын

    Is there a video going more in depth about the vacuum and particles coming into existence, what he talks about at 5:10? that graphic is blowing my mind

  • @EugeneHaroldKrab
    @EugeneHaroldKrab4 жыл бұрын

    Another amazing video wow

  • @espaciohexadimencionalsern3668

    @espaciohexadimencionalsern3668

    4 жыл бұрын

    he does it good¡?

  • @EugeneHaroldKrab

    @EugeneHaroldKrab

    4 жыл бұрын

    @@espaciohexadimencionalsern3668 yes of course he does

  • @patrickfiorito
    @patrickfiorito4 жыл бұрын

    Einstein told us. Dark energy is space itself expanding. This is also why it can expand faster then the speed of light. Also, and this is just an assumption, black holes sucking in stuff is what’s fueling the dark energy.

  • @Death1rock1334

    @Death1rock1334

    4 жыл бұрын

    idk dark matter seems wayyy to vast to be caused by something thats usually only 5-10 M☉ the milky way center black hole is 36 million M☉ the dark energy in the Milkey is roughly about 100 billion M☉ and whats strange is its actually way less then people thought before. there is a theory though that the dark matter itself is caused by primordial black holes, aka microscopic black holes. i think there caused by neutrino like particles because they are extremely abundant.

  • @patrickfiorito

    @patrickfiorito

    4 жыл бұрын

    Raoul Duke perhaps. I’m pretty stupid so a lot of this is just me taking information I’ve read and making sense of it. I think dark matter is the container itself. Whatever the “area or space” is that ALL the universes is held in. So: Black holes collect matter and shred it into energy. That energy is used to add more “universe”. Thus adding more dark matter. As an interesting side note. And this is regarding Einstein. Einstein abandon his cosmological constant because he gave into the idea of the dynamic universe. But what if Einstein was NEVER wrong? What if the universe is dynamic but the “container” that holds all the universe is static, like he believed?? That would mean Eisteins original calculations regarding dark energy is more accurate then anything modern scientists have come up with.

  • @quasimobius

    @quasimobius

    4 жыл бұрын

    Where do you get the idea that the expansion is faster than light?

  • @patrickfiorito

    @patrickfiorito

    4 жыл бұрын

    quasimobius the math and observations show us it is.

  • @patrickfiorito

    @patrickfiorito

    4 жыл бұрын

    Raoul Duke perhaps. But if you could calculate the total amount every black hole has ever “sucked in”..... something that’s impossible because we can only measure the observable Universe. So we would need a way to account for the unobservable Universe and all the black holes that have ever sucked in material As for the vastness.... remember the entire Universe used to be a single point smaller then an atom.

  • @biomatrix365
    @biomatrix3654 жыл бұрын

    7:17 actually, there are 5 elements in the universe: air, earth, fire, water and infinite stupidity.

  • @rodrigoserafim8834
    @rodrigoserafim88344 жыл бұрын

    I grew up being told the notion of aether was alchemist woo. Now, modern science is finding out space is not empty at all, in more ways than one.

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Space definitely is full of stuff. The concept of ether was a little differnet though. It was really created to be a kind of stationary reference frame that other things could be measured against. And there was no theoretical basis for it. The "stuff" of the universe today is very well defined, however, and has theoretical bases to support it.

  • @rodrigoserafim8834

    @rodrigoserafim8834

    4 жыл бұрын

    @@ArvinAsh Indeed. Thank you for putting your effort into these videos and help bring these hard to grasp topics into the public discourse. Kudos.

  • @manan-543
    @manan-5434 жыл бұрын

    Arvin I had a few doubts from the video. Why would the energy density of dark energy in the quintessence field decrease if the dark energy to matter ratio deceased from 1 billion to 2.3. The decrease in the ratio means that dark energy should increase. And what is the 3 sigma and 2 sigma you talked about. What does the sigma stand for. I didn't get that part. Otherwise I understood everything really well. Great video as always👌👌

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Great questions! On the 1 billion to 1 ration, it was the matter:dark energy density, where as the current 2.3 is dark energy:matter density. The point is that the discrepancy between the two was much larger in the past. The 3 sigma vs 2 sigma has to do with statistical analysis of test results. It shows how much variability there is in test results. . I should have explained this better, but in statistics, there is something called correlation of data. After conducting tests, the researchers take all their data and determine how well they show a pattern. A highly correlated pattern shows very high sigma levels, but if the data is highly variable, it shows lower sigma or more variability. If there is a lot of variability, then this could mean that the results may be random and not due to any pattern.

  • @clutchyfinger
    @clutchyfinger4 жыл бұрын

    The extra vacuum energy comes from the empty space inside the heads of science deniers. Nobel Prize please.

  • @kefhomepage

    @kefhomepage

    4 жыл бұрын

    Clutchyfinger And flat earthers

  • @iamchillydogg
    @iamchillydogg4 жыл бұрын

    Unicorn farts, duh.

  • @ArvinAsh

    @ArvinAsh

    4 жыл бұрын

    Shoulda thoughta that!

  • @christianheichel

    @christianheichel

    4 жыл бұрын

    Next year's college course dark energy we found out it is unicorn farts

  • @jackburton8352
    @jackburton83524 жыл бұрын

    Thanks.

  • @Igor_Itkin
    @Igor_Itkin3 жыл бұрын

    I have always hard times to imagine that the universe is expanding because I can't imagine that space has boundaries. This leads to the question in what the universe is expanding.

  • @AncientOfDays963
    @AncientOfDays9634 жыл бұрын

    Cold ionized hydrogen at a specific wavelength. You’re welcome!

  • @mohamed.s.elnaschie1697
    @mohamed.s.elnaschie16974 жыл бұрын

    dark matter is 22 % pure dark energy is 73.5 % and finally ordinary energy is 4.5 percent

  • @williambunting803
    @williambunting8034 жыл бұрын

    There is another possibility to consider. Maybe everything is made of just one entity which exists in two forms, dynamic energy (what everything is made from) and static energy ( a form of energy through which dynamic energy can travel at the maximum speed of light). Static energy in this thought model is the dark energy and has the properties of the Higgs field in a slightly different way than observed so far. In this concept dynamic energy in the absence of static energy can travel at infinite speed, but through a static energy field it reacts with static energy to which stiffens as a function of the speed of light and the quantity of energy. So very small amounts of energy can pass at the speed of light but larger quantities are impeded or deflected. Large energy packets exist in the static energy field as particles where the energy which wants to travel at above the speed of light can do so being deflected off the stiffened static energy shell boundary. The essential property of the static energy field is that the field pressure between particles is slightly less than the pressure from the broad static energy field, and this pressure difference is what we experience as gravity. But the same mechanism also pushes large masses of particles apart, creating the effect of cosmic expansion. Electro magnetism is created by energy loops which emerge from and return to a particle slowing and bunching to create an electron or merging with another particle loop to form a magnetic field line where the greater the number of merged particle loops the greater the field line size. The more loops the greater the field strength. From an entropy perspective this concept has a greater probability of explaining string theory than does the standard model. IMHO.

  • @humbledb4jesus
    @humbledb4jesus7 ай бұрын

    how far things have come...when i graduated in astrophysics '93: we thought galaxies stuck together because of mutual gravity (dark matter wasn't considered yet)... we didn't know if the universe was expanding fast, slow, or still steady state (dark energy didn't even have a name yet)... and, men were men and women were women... boy things change...

  • @O-.-O

    @O-.-O

    Күн бұрын

    You didn't graduate in astrophysics.

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