Segre Lecture: How Did The Universe Begin?

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Күн бұрын

Emilio Segre Distinguished Lecture by Andrew Lange: How Did the Universe Begin?
There is strong evidence that the entire Universe sprang from sub-atomic dimensions 13.7 billion years ago in a violent event known as Inflation, but we understand almost nothing of what would have caused this to happen. Scientists around the world are now racing to find important clues in the Cosmic Microwave Background, the faint relic of the primeval fireball that filled the early Universe.
www.physics.berkeley.edu

Пікірлер: 649

@ByronUHS 11 жыл бұрын

RIP, Andrew ... I so much enjoy showing this talk to my own students. I love that this talk - perhaps his final public lecture? - highlights the obvious joy he took in the human adventure of doing science. This video is a great gift to his family, friends, and colleagues.

@Gacha.Cupcake 2 жыл бұрын

Pop I ppppppppppppppppppppppppppppppppppp9[p[[oppo⁹p9p999p⁹⁹

@VvDOPAMEANvV 12 жыл бұрын

Thank you, Mr. Lange. You gave your life to this cause. I don't know why you decided to leave earlier, but I admire you none-the-less. Thank you for your contribution. You have given selflessly. What more could anyone ask for? Goodbye.

@brainstormingsharing1309 3 жыл бұрын

Absolutely well done and definitely keep it up!!! 👍👍👍👍👍

@NeedsEvidence 11 жыл бұрын

Brilliant lecture, one of the best I have ever seen on this topic

@audreyfischer 13 жыл бұрын

It's a great opportunity to learn from the discoverers themselves. Amazing that 5 generations of professor/students collaborated together in this CMB research. Special kudos to Paul Richards, the senior professor/mentor for he obviously had an amazingly lifelong impact on his students who, in turn, were able to pass it on to their students as well... and more than that, collaborate together to solve mysteries nearly beyond comprehension. ... so thank you!

@Zeropointbug 11 жыл бұрын

Red Shift is not a distance measurement, but an intrinsic Red Shift to the object, regardless of how far away it is.

@aqwertgbvcxz 12 жыл бұрын

One doesn't have to go far to reject this idea. Our daily lives are so much dependent on chance and the choices we make.

@marcos5777 11 жыл бұрын

A fascinating talk. Rest in peace. I guess it shows something about how fragile is the human mind. Such a brilliant man on a fascinating quest. But yet, he did not stay with us.

@satanstrilogy2288 9 жыл бұрын

This is really awesome!

@taleemikhidmat1579 10 жыл бұрын

Impressive is just a word to express this lecture. The lecture is worth the energy in the beginning of the universe.

@durtdawg51 12 жыл бұрын

@mogley52 which of your postings are peer reviewed? Those are the ones I would like to read first.

@vielbosheit 10 жыл бұрын

It's actually so cool to be watching this just after they've reported detecting these gravitational waves. I wonder how incredibly Lange feels!

@kennethholmes4612 10 жыл бұрын

Andrew could sell me a car But not his beginning of the universe He can talk none stop, very clever.

@audreyfischer 13 жыл бұрын

27: 47 "poetic idea of inflation"... one of my favorite parts of the lecture

@TheSmithDorian 11 жыл бұрын

Your thinking of something called the doppler effect. Basically the faster an object (or galaxy) is moving away from you the more the light it emits is shifted towards the red part of the spectrum. It's about speed relative to the observers position not the distance away from it.

@robertscatrley4109 4 жыл бұрын

Agreed we know no more now from what ive researched my self . Political answer to the question by diverting the answer to mush . Nice one

@divvy1400yam600 11 жыл бұрын

Question: how do you focus a telescope on the CMBR, Are the frequencies present in the CMBR not also present in intervening space.? If CMBR is redshifted why does it show as low temperature

@oleh2007 13 жыл бұрын

the key frase here is :"we don't understand it but should be thankfull for it"

@Staldren 11 жыл бұрын

When an astrophysicist says something is "fantastic" I never know if I should be amazed or terrified.

@RollinShaw 12 жыл бұрын

Could you cite some sources on the contradicting observations? Simply to enlighten myself.

@rkpetry 10 жыл бұрын

Why did he say we're outside, the Big Bang event horizon? How did Inflation differ from Renormalization? How much of the CMB harmonics was gravitationally focused-in from outside? How much of the CMB variations is from early supernovæ-chaining-bubbles? Cosmic expansion increases particle masses, shortening their photon wavelengths. Did he ever show cosmic triangles are, 180°-flat? He never explained Guth-Linde Higgs field collapse: Finite probabilities are exhausted over infinite time.

@garyliu6589 Жыл бұрын

What is the relationship between the last surface of scattering and the boundary of the observable universe? There are theory saying that we are unable to see beyond the observable universe because the light cannot reach us due to the expansion of space in the observable universe. If this is indeed the case, this mean we will not be able to see the last surface of scattering after some period of time? Are we able to calculate how long would that period be?

@egreye01 12 жыл бұрын

thank you

@AS-cy1jt 6 жыл бұрын

its a little annoying when the camera is pointing at the speaker, but the speaker is pointing a slide with the laser pointer, and this is a production done by college level semi professionals,

@bxs0099 12 жыл бұрын

@ 3:21 to skip to the talk

@simonruszczak5563 5 жыл бұрын

Where did the sub-atomic dimensions spring from ?

@vicachcoup 11 жыл бұрын

They have done very well understanding 4% of the universe. You also need to consider how sentient life managed to arise in this universe [cue knee jerk anthropic principle mention]. Just for the record - why are the laws of physics so fine tuned? How did this universe start and what did it arise from [if answered in this video please point to where - it is long!]

@robertclauer849 10 жыл бұрын

Re: al d (or whatever): I am deeply offended that you refer to him as an egg head. This is a man who ha passionately devoted his life to science, which benefits everyone not just himself. Furthermore, he takes time to educate others on the subject. How could you possibly conclude that he is anything but a decent human being albeit an extremely intelligent one. Maybe your attitude is the problem and not this gentlemanly scholar.

@Amberscion 4 жыл бұрын

1:16:25 "If LIGO does not detect gravitational radiation directly in the next five years I personally will be deeply embarrassed." LIGO made it's first detection on Sept 14th, 2015. Here Lange made a fairly accurate, and totally non-embarrassing, prediction. Science, fuck yeah!

@thegreatmonster 11 жыл бұрын

So the gravitational waves 55:41 formed the groves the planets are turning in around the sun etc... What if those waves flattens out? What will happen to the path of the planets?

@jackjosephbroehl 12 жыл бұрын

P.S. an implosion in slow smotion is sucked in force of waves seemingly that things get distorted. Thanks :)

@EncinoRecords 11 жыл бұрын

so i know this will sound stupid, but if we can look back in time right, is it possible that the farthest back galaxies are the same ones we are lookig at now? like, "this is andromeda 5 million years ago, and this is andromeda 4 million? or would that look like streaks and not like galaxies if that hapened? and if the original thought is correct, is it possible theres waaayyy less galaxies in the universe and we are really seeing multiple versions of the same galaxy?

@BaldingEagle51 11 жыл бұрын

A minute after writing this I googled his works and found that he died a year after this lecture. I'm suddenly in a strange place.

@tnekkc 8 жыл бұрын

Diff grad and curl... never seemed to use curl in industry.

@TheLivirus 13 жыл бұрын

@konman001 Biblic prophesies are often not very specific, and actually very likely to happen when given an unspecified amount of time. Eg. I got some accurate prediction about my life in my local newspaper: the horoscope column.

@brownj2 11 жыл бұрын

He is referring to the fact that the early stars tended to be large and blue. Distant galaxies have been red shifted and the amount of that red shift is a function of the galaxies speed and distance from us. This is what the Hubble law describes. The most distant galaxies we can see using optics are so far away that they only appear in the infrared.

@faustus999 14 жыл бұрын

an excellent lecture, very interesting and illuminating.. i thought that the question from the audience was extremely pertinent one which really was not answered, and could'nt be."..when the universe began, why did'nt it immediately collapse into a black hole"??????????

@S2Cents 11 жыл бұрын

03:33 Lecture by Andrew Lange

@Neueregel 12 жыл бұрын

thanks.

@purplepick5388 5 жыл бұрын

"Folks, this is how the universe began but for what ever reason we don't quite understand yet..." And they are all well educated and have Nobel prizes. Genius's, absolute genius's. Can I get one for, " I don't fucking know!"

@eyeAMtwinkEE 14 жыл бұрын

@magnormaxi Thought is the interaction between neurons in the frontal lobes of your brain.

@corydorastube 11 жыл бұрын

Where precisely did you aquire this knowledge? How do you know that?

@rockrhymrr 2 жыл бұрын

they don't know!!!

@VvDOPAMEANvV 11 жыл бұрын

We don't know. That's why it wasn't included, and it's why particle accelerators, satellite telescopes and emerging fields of science are so important today. If you wan't to know how it all started, then you're just gonna have to wait it out. Perhaps you could join them in their efforts to answer these questions.

@spiffaz 12 жыл бұрын

Sagan's point has been owning since before I was born. :)

@kingcarisma 11 жыл бұрын

Lange my man!

@BillOtinger 11 жыл бұрын

How many UNIVERSES are their and did they all Start the same way ????

@qqqqqqqqqq7488 6 жыл бұрын

I have just started watching. I predict they will offer nothing as far as a suitable explanation.

@qqqqqqqqqq7488 6 жыл бұрын

1:15:26 . I knew it.

@scotty 11 жыл бұрын

The stuff before which led to the stars led to what eventually became my very atoms right?

@Dyslexic-Artist-Theory-on-Time 6 жыл бұрын

This is an invitation to see a theory on the nature of time! In this theory we have an emergent uncertain future continuously coming into existence relative to the spontaneous absorption and emission of photon energy. The future is unfolding with each photon electron coupling or dipole moment relative to the atoms of the periodic table and the wavelength of the electromagnetic spectrum. This is part of a universal process of energy exchange that forms the ever changing world of our everyday life.

@MrKorrazonCold 11 жыл бұрын

Big bang's 360, 24/7. Mass Higgs-field vector +Mu of observable universe acting upon accelerating mass +/-m from a distance radius! Time is relative represented by line symmetry of a central ref-frame. Thus limited range of Spherical inward and outward wave-chain reactions and Doppler causes a redshift. Redshift with distance a consequence of less energy exchange, less overlapping EM-wave interactions cascading down from a distance radius acting upon a central ref-frame (you) accelerating mass!

@scotty 11 жыл бұрын

But do atoms ever cease to exist? Even when smashed together they split into other things right so some of them goes on right? Do atoms ever 'die'?

@vernonshiloh8554 8 жыл бұрын

The one thing that I can agree with is that if indeed the universe is "expanding", (that I can accept) it would therefore have a starting point. That's where the problem also "starts". (It's not a problem for me). Prior to the "big bang", there supposedly was NOTHING! The question is therefore...if there was nothing before the big bang, what caused the big bang??? As one can see, the questions go on & on. A balloon can't burst if there is no balloon.

@qqqqqqqqqq7488 8 жыл бұрын

+SeanmathiasH A juvenile answer to a sophomoric question.

@hawaiiguykailua6928 8 жыл бұрын

Don't worry about the start, worry that in a BB model there is an edge of the universe and nothing exists beyond that, so how can an explosion happen if there is no matter to explode against? If it starts to sound stupid, idiotic, and contradictory its because it is. Its the heretics over at plasma universe like Peratt, Alfvens, Thornhill, Burbidge, Hoyle, and the greatest of all Halton Arp that make sense of whats observable. Unlike dark matter and dark energy which BB had to create on a blackboard because the model had failed by 10^108th power, thats a lot of fudging!

@klaasdeboer8106 6 жыл бұрын

I can recommend Lawrence Krauss, A universe from nothing, and further, the coversation between lawrence Krauss ans richard dawkins, "something from nothing" The question, "why is there something rather than nothing" is the central theme in the thinking of Lawrence Krauss.

@CeanStrauss 2 жыл бұрын

No physicist thinks there was an absolute nothing "before" the big bang. That's typically just a strawman argument used by the religious or ignorant. Luckily most anyone can overcome these handicaps of reasoning with an open mind and proper education. They're really not hard concepts to understand.

@TheRodmena 5 жыл бұрын

It was amazing. Although the data was old.

@rkpetry 10 жыл бұрын

P.S. Thank you, for the lecture. (I ran out of Comment space for several lines.)

@KuukoointheNest 13 жыл бұрын

however it began or whatever the theories, we are part of the universe and will always be.

@MrKorrazonCold 11 жыл бұрын

Vibrating Energy is motion! The locational spherical inward absorption density and outward emission density of electromagnetic waves, is oscillating energy and mass, antimatter and matter annihilation, input+0/1-output electric charge and EM-fields, or resonance and interference as time unfolds! Thus limited range of Spherical inward and outward wave-chain reactions and Doppler causes a redshift. Redshift with distance a consequence of less energy exchange, less overlapping EM-wave interactions!

@thomaslwilson2840 5 жыл бұрын

The fundamental assumption is that the laws of physics that we know are those operating at the start of the universe. This is a reasonable assumption, and seems to be the case for rather high redshifts, but it is not guaranteed to be true. Still it is the best we have. So much better than many things that many believe.

@AS-cy1jt 6 жыл бұрын

how about showing the slides he's talking about instead on him holding a pointer

@widescreennavel 3 жыл бұрын

If we allocated the proper funds to education we would have a three camera studio to film this. It seems science will always be done on a shoestring. It's symbolic but true.

@d3lta42 12 жыл бұрын

the question of the matter however is which sounds more crazy a talking snake and an omnipetant being that came from nowhere but does everything or a universe that sprang from nothing and had no cause to make the effect of it happen as well as creating not only matter and the laws of physics themselves but having events occur at just the right way given our galaxy and the earths past to be able to spring for life that questions it all...honestly there both crazy

@blulagoon21 7 жыл бұрын

Two questions that scientists cannot answer about the big bang. If (as they say) there was nothing before the bang, not even time, then how could there be a TIME for the bang to happen?? . Second question unanswerable is , what was the trigger that set off the bang ??

@n.g.h.calmarena7013 2 жыл бұрын

The strongest reason for a creation has always been that mankind seems to have been born with two questions on its lips: How did it all begin, and how will it all end. Everything has a beginning and an end is a bottom knowledge that everybody accepts, because everything we see and experience during our short lives on our planet has just these two qualities: A beginning and an end. But if you accept the thesis "something can't come out of nothing," you must define at least one subject with an eternal existence. I don't know if cosmology still must be logical; and if it must not, it is not science anymore. The creation of everything out of nothing is a physical abomination, and shouldn't be accepted.

@RonRonnard 11 жыл бұрын

It could be, that gravitational waves from inflation extinguish themselves by a process similar to interference annihilation of waves. Then they never can get observed and this then would be the prove, that they exist, if a theory would get developed, which could explain it.

@Munzi89 11 жыл бұрын

Kudos for the NDT reference. :)

@nmarbletoe8210 9 жыл бұрын

near the big bang all the forces were unified... is there a name for the particle(s) that would have existed at that time?

@qqqqqqqqqq7488 8 жыл бұрын

+N Marbletoe There was the bull and the shat. The idea of unification of forces is a construct necessitated by bad math.

@TomFynn 12 жыл бұрын

@nibus126 No. They can't. The superposition of point sources makes neither for the near perfect black body spectrum of the CMB, nor does is result in the observed polarization of that.

@EncinoRecords 11 жыл бұрын

now that i think of it tho, i think i have the answer. we couldnt see andromeda a million years back because its moving slower than that light so that image is already past us....is that the answer?

@JosephStern 11 жыл бұрын

Thank Heaven for KZfaq.

@RichieW 11 жыл бұрын

I'll take my chances, thanks.

@TomFynn 13 жыл бұрын

@LonesomePaleRider Any reason why you are not using NBG or MK or class logic by Oberschelp? Finite axioms make things easier. An how does this shed light on the Oesterle-Masser conjecture? Don't worry about going mad. No mathematician has ever gone mad by what he (or she) knew. Only from what they couldn't prove to the world...

@998SBayliss 12 жыл бұрын

Crazy yes, but we are learning more and more about the latter (scientific explaination) and the former (religions of the world) has been static for a couple thousand years.

@glindin 10 жыл бұрын

He did not really answer the question "why did not the universe collapse into a black hole in the beginning?" 'Because we are here' and 'because it did not' is not really a satisfactory answer. I have been wondering the same for a long time, never gotten an answer and I really sheered up when I heard the question, not so much when I heard the answer. ;)

@morningmadera 10 жыл бұрын

he did answer it, you didn't get it ... the answer is basically inflation

@VainEldritch 11 жыл бұрын

Ok look - this is all fascinating but I get frustrated. Where did it all come from? How did it all start?

@scotty 11 жыл бұрын

Heavy elements yes, but how do we know some of me wasn't there for the action?

@jimyguitar3177 3 жыл бұрын

There currently could be a earth like planet with intelligent life 25 billion light years from us. They would detect the CMB from all directions 13.7 billion years in the past also? How big was the source of the CMB 13.7 billion years in the past?

@schmetterling4477 3 жыл бұрын

The source was the size of the entire universe. Two different observers do, of course, detect two different CMB signals from two different parts of the source.

@Pngiaca 11 жыл бұрын

Anyone else feel like you are being taught Cosmology by a very intellegent Kermit the Frog?

@divvy1400yam600 11 жыл бұрын

viewed a sample of the vid. didnt see any maths but the point holds.

@scotty 11 жыл бұрын

So atoms do die? I reasoned if they could survive supernovae in fact were made from them then what could cause them to cease to exist.

@michalchik 11 жыл бұрын

Actual lecture begins at 3:35. Thumbs up to save people time.

@starwarsROXmy 14 жыл бұрын

I'm very inrtested into this stuff. I think WE Will never know for real. if only if only :(

@justchill8821 5 жыл бұрын

Dr. David Berlinski Post doctoral Mathematician, Biologists, Physicists says it best, (you watch, I'm not quoting him)

@ElusiveCube 10 жыл бұрын

If light from the distant stars and galaxies emitting light yet the source no longer exists , and if we are capable to look as far as the beginning, does that mean that large percent of starlight we see no longer exists, in other words do we see way more stars and galaxies than actually exists? But than if this is true, should we be seeing way more stars and galaxies than we actually see ? Considering the wast universe is pockmarked by stars and galaxies no longer existing. Maybe that's why they say that, the stars and galaxies in the earlier stage of the universe were much closer, when in fact they were not, we just see a timescale where we see existing as well non-existing stars and galaxies thus appears they are mutually closer where in fact they are not.

@ElusiveCube 10 жыл бұрын

I wish I could undestand you more, my english is not so good, perhaps my coment is not so clear

@ElusiveCube 10 жыл бұрын

***** I think you are wrong, when a astronomers looks at the starts he is clearly stating "WE ARE LOOKING BACK IN TIME" no you do not need to translate cause I speak 4 languages and I doubt if you do and even if you manage 1-2 they are probably not same as mine, but thank you.

@vielbosheit 10 жыл бұрын

Yes, some of the objects we see in the night sky are going to not actually exist at the time we receive the light they emitted. For the purpose of studying them, however, it really doesn't make a difference.

@dwaynecarpenter7691 10 жыл бұрын

ElusiveCube listen you just dont understand!

@dwaynecarpenter7691 10 жыл бұрын

Sorry wrong person you understand perfectly, a religious guy didn't understand he's stuck on the 6000 year thing

@MrKorrazonCold 11 жыл бұрын

Everything is two opposing fibonacci vorticies! Only difference between solids, liquids, gases and plasma is Volume! Everything is forming out of the locational spherical inward logarithmic absorption density (contracting+ E) and the outward exponential emission density now (expansion- c2) or acceleration of electromagnetic waves inversely proportional to the square of the distance from the input+0/1-output electric charge forming the EM-fields or resonance and interference as time unfolds!

@eyeAMtwinkEE 14 жыл бұрын

@Zurround100 Because it's strongly supported by evidence.

@helenback6810 8 жыл бұрын

Primeval fireball. Hmm! Wonder where that came from? No takers here I see but what's new with just another unanswered question?

@plasticvision6355 8 жыл бұрын

Your comment here is as stupid as any other you've posted on any other forum. Let's assume for the moment that there is no plausible answer to this question. How exactly did you arrive at the conclusion that god did anything? You certainly didn't and cannot do so as a result of knowing the science because on other posts you've shown yourself to be a scientifically illiterate imbecile. So by my reckoning that leaves only three plausible options. 1. You don't know what you're talking about and are pulling stuff out of your ass. 2. You think an idiotic book written by people who had no idea what stars were let alone where they and everything else came from, let alone the solar system or the galaxy it resides in. 3.You believe and are quoting someone else (other people) who are equally stupid and scientifically imbecilic as you are, and you don't have either the intelligence or wherewithal to fact check where they got their stupid ideas from. Is it all three? So stupid, as usual.

@plasticvision6355 8 жыл бұрын

You are a near perfect example of what the person in the comment immediately about this is talking about, though of course you're not American as I recall, but you are equally imbecilic in your outlook, knowledge and disingenuous approach.

@EztliAztecatl 13 жыл бұрын

It's all Abot the energy vibration and frequency! (the song of creation), J.R.R. Tolkien I believe has the best description of creation easy to understand in the book "The Silmarillion" read it u will b amazed!

@VvDOPAMEANvV 12 жыл бұрын

I had no idea until I saw your comment, then I verified your claim online via the LA times. Why? Do you know?

@louvarricchio780 8 жыл бұрын

Dr. Andrew Lange R.I.P.

@Mirrorgirl492 8 жыл бұрын

+Lou Varricchio Just googled him, wow, what a terribly young age to pass away, what a shame.

11 жыл бұрын

Where did your big magic sky demon come from?

@royroy7814 7 жыл бұрын

"Don't try to tell me Nothing exploded for no reason and created everything! I know too much about nothing to believe that! "

@commander554 13 жыл бұрын

@sbergman27 ..... I really didnt understand what you said.

@enniopat 14 жыл бұрын

As a non-scientist two questions at the moment intrigue me: We know the speed of light, but what of the speed of darkness...is it a stupit question.? Considering that the universe is essentially a dark and ever darkening place, can one move faster through this "dark matter/reality"? The other question is, whether our known universe and its atomic composition might aquire a totally new identity when subjected to black holes or big bang experiences. Hence no longer atoms as we are familiar of (?).

@marcus9304 2 жыл бұрын

You are probably correct. On the 2nd question. It could be studied using black holes. 🕳 To a point. Mostly theoretical. Speed of Dark? Probably no such thing. Idk. Dark seems to be more fundamental then light. Light is happening. A force carrier. Dark is there 1st. Dark and Cold are similar. Darkness is the way this Universe is. Hidden.

@scotty 10 жыл бұрын

cool

@Athrun000 12 жыл бұрын

R.I.P...Andrew Lange

@staregion 14 жыл бұрын

"why didnt the universe collapse into a black hole?" The big bang was the dividing of pure energy so no mass was present.E=MC2..(if E=M, M=E, and C is only the conversion rate) after the cooling energy could convert to mass or matter. Gravity was one of the original energies. It is commmon to think of gravity as a force but a force is only an applied energy. This an over simplification but the force of gravity could not act until there was something to act on. James E gambrell

@MrKorrazonCold 11 жыл бұрын

Electrical potential from surrounding masses as waves come forming work! Mass Higgs or Hubble-field vector +Mu, of the universe acting upon accelerating mass +/-m, from a distance radius! Everything is two opposing fibonacci vorticies seen in human math! Only difference between solids, liquids, gases, and plasma is Volume! Everything is forming out of the locational spherical inward logarithmic absorption density and outward exponential emission density now of accelerating electromagnetic waves!

@BryanDraughn 12 жыл бұрын

He has a "Sheldon" laugh "unhehunhehunheh"

@konman001 13 жыл бұрын

@FlashTwister - I listened to many cosmology lectures - they have is nice 3D visuals and "theories" (which by their own definition of "theory" are NOT theories). If all is chance then who or what judges the results of each die roll or how to read each die roll properly? 2 interesting facts regarding 2 famous cosmologists: Einstein NEVER denied existance of God - he only said that "God doesn't play dice" Stephen Hawking said that he "doesn't fear death" but never said that he doesn't fear God

@TodayUntilTomorrow 11 жыл бұрын

It only makes sense if one views "inflation" as a quantum event. As a quantum event there is know way to determine what quantum preceded it. It's really not even a question.