Pulsars and Neutron Stars

Рет қаралды 563,855

Күн бұрын

What is the structure of a neutron star? What are these "pulsars" that flicker in the sky? How are they categorized? All these answers in 15 minutes!
0:00 - Introduction
0:57 - Formation of a neutron star
3:50 - An extreme object
5:44 - Internal structure
9:22 - Magnetic field
11:27 - Observations from Earth
14:01 - Conclusion
For more videos, subscribe to the KZfaq channel : / scienceclicen
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Alessandro Roussel,
For more info: www.alessandroroussel.com/en
_
To learn more :
en.wikipedia.org/wiki/Pulsar
en.wikipedia.org/wiki/Neutron...

Пікірлер: 674

@ScienceClicEN 3 жыл бұрын

The previous version had a small mistake in it, this is the corrected version :)

@aloedg8058 3 жыл бұрын

This video is so epic thanks for making 🍔

@alisaied4958 3 жыл бұрын

you still have mistakes, the car wheel analogy 4:45 os totally irrelevant, you need to specify the wheel diameter to get that speed number, this is not good.

@ScienceClicEN 3 жыл бұрын

It's to give an order of magnitude. Car wheels are usually of very similar sizes, you'll never have a wheel of 1 centimeter or 10 meters. In astrophysics it's always useful to give orders of magnitude to get an idea of how big / how fast something is, even though the calculation is just an approximation it doesn't really matter

@wanchufri 3 жыл бұрын

@@alisaied4958 after having watched the complete video this is the only thing that you think it is worth to be commented? Please... The video is awesome Great job science click

$@fractal_mind562$

@fractal_mind562 3 жыл бұрын

@@alisaied4958 I had the same initial thought, but it has 0 bearing on the explanation, so I discarded it... If you want you can figure out the diameter of the wheel independently, but its inconsequential to the conclusion

@kayrabcebll8259 3 жыл бұрын

Everytime the screen blacks out, I hope that wasn't the end of it. Superb content.

@Vioxtar 3 жыл бұрын

*to understand...*

@n1k32h 3 жыл бұрын

2021. Do you know how to use a dial phone?

@kayrabcebll8259 3 жыл бұрын

@@n1k32h Dude. In their other videos, the screen doesn't black out as much as it does in this video so I felt weird about this one.

@robbie8142 2 жыл бұрын

I had the same experience except I was really tired and I finished up blacking out half way through it.

@ezrazonable4992 2 жыл бұрын

Chick don't know how to use a progress bar 🙄

@bennybooboobear3940 3 жыл бұрын

Once again, I’m speechless. I do not learn as much as from my teachers, parents, or the Internet as you. And I mean it. You should have billions of subscribers. You can change the world with the amount of simple knowledge you give. I’m not a robot as well! I just want to say: thank you so much for these videos. Do not stop making them! Thanks again!!

@bennybooboobear3940 3 жыл бұрын

@Peachiz :)

@ilmorifajt4092 3 жыл бұрын

@Peachiz same, these are the best.

@nihil_._sum 3 жыл бұрын

You're a robot

@bennybooboobear3940 3 жыл бұрын

@@nihil_._sum no I’m not :(

@DragonKingGaav 3 жыл бұрын

Well said!!!

@navin_ds 3 жыл бұрын

Never stop using this background music bc its awesome

@Epoch11 3 жыл бұрын

It's the same music they play when you travel through a black hole

@Perririri 2 жыл бұрын

You need a better music!

@JcoleMc 2 жыл бұрын

What is the music ?

@Diaming787 2 жыл бұрын

@@Epoch11 Yeah, that is the first video I watched on his channel. The music was SOO fitting!

@MarcelinoDeseo 2 жыл бұрын

7:45 Kudos to the scientists who came up with easy-to-understand name of the layers of a neutron star.

@FleshWizard69420 Жыл бұрын

Plot Twist: it was Garfield

@MrBendybruce 3 жыл бұрын

Some think Science is a sterile subject, but videos like this send a chill down my spine, as deeply hidden truths about the Universe we live in are revealed, one layer at a time, through the sum total of human scientific endeavor, that brought us to this moment in time, where such deep knowledge can be shared to all who would just stop and take a moment, to listen and learn. Thanks ScienceClic, channels like this, present the good side of an online and connected world.

@b4d60y12 Жыл бұрын

I alwais think that all of the laws of physics are the way for the univers to be conscious and not collapse on itself , making us able to experience reality and be conscious about it

@mynewlifeinamerica3396 Жыл бұрын

kzfaq.info/get/bejne/qql-e5qKyNm3ZX0.html

@storyaboutmosquitoes9441 10 ай бұрын

It’s what made me realize there is no way it’s just an accident. There had to be someone who made it all. He answered me shortly after. God is real, and He reveals Himself as He chooses. He revealed Himself to Abraham and all of his descendants. Now we look His creation in the face and have the gall to say “what God?” To me it’s not too wild a stretch to say that there is an intelligent creator God, Holy in nature so we cannot be in His presence without dying because of our filthy selfish natures. Yet he decided not to leave us to that state but reach out to us. To become flesh and die the most painful death imaginable just to save anyone who believes and abides in Him. Every action has an equal opposite reaction. You sin, you pay the price. So the price had to be paid. He paid it so we can live. It’s not such a stretch to me, that the one who is Himself morality is the one who dictates what is and is not good. The study of science has often been pioneered by believers striving to know more of the nature of God. It’s not a stretch that the humans He made in His image (relational intelligent beings) would want to know more about Him, given the chance. Thanks to anyone who read this. Here is a flower 🌸 Jesus loves you ❤

@literallybiras 3 жыл бұрын

A notification from this channel makes my day 10x better

@sxbmissive 3 жыл бұрын

I was following this channel for mostly things like understanding quantum physics and relativity, but It covers topics like outer space too, which I love. So glad I found this content. Keep up the great work!

@PatricioHondagneuRoig 3 жыл бұрын

The quality of these videos man, I can't wait for this channel to explode in popularity.

@NormanWasHere452 3 жыл бұрын

Your explanations in conjunction with visual are genuinely outstanding

@brianwebber6996_ROADHUNTER 3 жыл бұрын

That music though... Love it! The sound you hear before your mind explodes!

@sayalikulkarni8481 3 жыл бұрын

A concept is said to be well understood when you can "visualize" it. The animations in this video definitely help understand the concept very well. Thank you. Please keep making such videos!

@fishyfush4035 3 жыл бұрын

Everything in this video is perfect. From the visuals, voice over, the music ,and its all beautifully strung together. I had a slight headache prior to watching this video, and now its completely gone. These videos are therapeutic to the mind ~~ and I'm being serious!

@DS-fk7ed 2 жыл бұрын

I love this channel. We researched, explained in a plain language we can all understand and excellent graphics. This is perfect for a lay person with an interest in astronomy like myself. Great stuff!

@microArc 3 жыл бұрын

your videos are both enlightening and hypnotic. absolutely incredible work.

@ozAqVvhhNue 3 жыл бұрын

It is just so fascinating to know that pulsars can speed up in almost an instant because the surface falls down a few MICROMETERS because of the lag of centrifugal force.

@isaiahphillip4112 2 жыл бұрын

It's just conservation of angular momentum. As the mass shifts closer to the center of the pulsar it's moment of inertia decreases, therefore it must spin faster to conserve angular momentum.

@ozAqVvhhNue 2 жыл бұрын

@@isaiahphillip4112 What?

@isaiahphillip4112 2 жыл бұрын

@@ozAqVvhhNue I was explaining why the stars rotating increases as the surface collapses.

@ozAqVvhhNue 2 жыл бұрын

@@isaiahphillip4112 What?

@brodyhide3090 2 жыл бұрын

@@ozAqVvhhNue a good way of understanding what he's saying is to sit in a spinning chair. Hold equal weights in your hands and start spinning. Hold the weights out away from you as far as you can, and then pull them into your body. You'll notice the speed at which you rotate increases based on the distance the weight is from your centre. You don't have to use weights but it'll demonstrate the conservation of angular momentum better.

@robbklobb6501 Жыл бұрын

Bro! This is Incredible. The best teaching method I have ever seen. You start at the beginning and walk us through. Why don’t main stream cosmologists think of this when teaching on KZfaq. You’re a diamond in the rough. Please keep it up.

@jeremyfox7031 2 ай бұрын

This is the most deepest learning of the pulsar I have ever seen. I thought I knew a decent amount about pulsars but this video took it so much deeper. Thank you.

@lexscarlet 3 жыл бұрын

That visualisation at 11:25 11:30ish is sooooooo good hats off to the editor. Looks like pulsars are like galactic lighthouses.

@Vioxtar 3 жыл бұрын

This video has a bigger 'HOLY SHIT' factor than most cinematic movies out there

@anonymous-rb2sr 3 жыл бұрын

12:15 Man, there is just so much incredibly intresting stuff in that video So the very fast rotation speeds don't just come from the initial angular momentum the star had before it went supernova, but from a secondary star? This is such a fascinating effect, if you take the baricenter of the system as a refernce frame, then the star, less dense, has matter with a much higher potential energy than the pulsar does, so when the mass of the star somehow ends up absorbed by the neutron star, it has the same effect as an ice skater pulling their arms together, just on an insane level because of the density of the neutron star And therefore, the entire kinetic energy of the orbitting pair (given the star ends up colliding with the neutron star), is entirely converted into an insane ammount of angular momentum, it's literally the spin that was in the orbit of the matter in the star that becomes the spin of the pulsar But this also raises a question, if a neutron star is formed, then later collides with a main sequence star in this manner, chances are the collision won't happen in the original spin axis of the star, so what happens then? Does the star have the "rigidity" to somehow change it's entire spin axis at the mergure of the two, or can you have a scenario where the core of a neutron star, formed from it's original star, has a different axis of rotation than it's outer layer, formed from absorbed matter that came from another star?

@freddiespencer927 5 ай бұрын

I have watched countless videos in search of answers concerning every single thing that you explain in this video! There are a myriad of videos explaining the topics you've covered that never answered my curiosities nor explained in detail some of the most basic technical questions I had. But you did, and you did it with flair and eloquence and explained it with technical prowess (making it easy for me to understand). And it was all done with absolute sound doctrine. Thank you for keeping this video up for 2 years, if that was when you posted it, because KZfaqs algorithms recommend this video and I'm glad it did! It was a beautiful marriage of intellect coupled with animation that proved that some people truly hit their calling.

@JKACLULU 3 жыл бұрын

Finally a clear and easy explanation to understand about Pulsars that I was looking since a long time. Thanks for that 🙏🏻

@VJ-dv4ub 3 жыл бұрын

This lovely channel your explanations and animations are damn good

@JohnJohnson-cy4xz 3 жыл бұрын

Outstanding work and explanation! In my opinion, this is the gold standard for educational videos.

@adityashukla8520 3 жыл бұрын

This channel gives proper idea about things we understand only vaguely. Can't thank you enough for this content

@anonymous-rb2sr 3 жыл бұрын

"This channel gives proper idea about things we understand only vaguely. " Yep, exactly My background is not in astrophysics, but I am sure that anyone would get an even better intuitive understanding of these phenomena than someone studying the physics without this visual aid would, I hope physics teachers that teach those subjects start showing those videos to their students, only good can come out of a greater understanding of physical pheonomena in general, especially from the future experts themselves

@adityashukla8520 3 жыл бұрын

@@anonymous-rb2sr precisely man

@C0MPLEXITY 3 жыл бұрын

100/100 animation, I haven't seen such great representation of complex difficult to imagine scenarios.

@TheBrickagon 3 жыл бұрын

Your videos contain plenty of information and answer some questions that I had for a long time and the animation just beautifully completes it, making it easier to understand :)

@redpower6956 3 жыл бұрын

Amazing content as usual! Also your explanation to complex subjects is incredible. Keep up the good work.

@anonymous-rb2sr 3 жыл бұрын

At around 10:00, you speak about the effects such a strong magnetic field has, but it remains confusing, if you think this is a worthy topic, what would you think about a video that explains the interractions of the electro magnetic field with spacetime? How are the two related, how do they interract, and how do strong ammounts of distubances in those fields affect the other (ie: do large ammount of currents or magnetic fields have an effect on spacetime? Do strong ammount of gravity have an effect on the EMfield or electron field?) This would make for a very intresting topic on the fundamental workings of the universe

@Meowface. 2 жыл бұрын

That would be a short video, because magnetic fields do not warp space time Mass does

@loljptrollergami7325 Жыл бұрын

@@Meowface. Correct me if I'm wrong but aren't magnetic fields made out of electrons? And electrons do have mass, so I don't see how they can't alter space time

@clientesinformacoes6364 Жыл бұрын

I have the same question, I was wondering if space time has properties which has tiny magnetics with north and south poles (could be higgs boson), the connection within those particles are spread evenly and creates elasticity and pressure properties in space time which creates gravity by squeezing the subatomic particles to one another, in the case of magic field, I think the star twist these particles creating a tornado, aligning these particles in one direction creating a giant magic field.

@clientesinformacoes6364 Жыл бұрын

The particles that generates gravity and magnetic field are the same, but the effects caused by different forces are caused by the properties of space time in large scale.

@clientesinformacoes6364 Жыл бұрын

@@loljptrollergami7325 he is right, the star is very dense and the rotation is so fast that space time can't pass straight through it, I can tell because the differences of the axkes within rotation and magnetic field.

@shih-haowang4788 2 жыл бұрын

Excellent animation. Thank you! This summarizes up all the contents one can learn from an introductory course of astrophysics about neutron stars.

@marianmusic7221 2 жыл бұрын

@ScienceClic English Thanks for gathering so much in-depth and exact data to explain such exotic events. Your videos are priceless! There are many science channels, but very few are at this high level. Thanks for sharing your knowledge and making youtube a more interesting place! :)

@marcelo.pastorelli 2 жыл бұрын

This is the best science channel out there, thank you so much for your dedication to learning and teaching in such an understandable way

@aniketeuler6443 3 жыл бұрын

Sir now please start mathematics of quantum field theory 😀

@baasantserenganbold2925 3 жыл бұрын

The animations and the explanations are great. Thank you!

@kamilzielinski4488 Жыл бұрын

This channel has a unique way of presenting science in simple way with addition of something extra making me learn something new where I do not see such information on other channels. However what I love is the choice of music which is consistent across the channel, at first it starts as relaxing music and then suddenly gets serious when it gets to main content. I subscribed.

@stuffass 3 жыл бұрын

Another nice video, I keep rewatching these because of how good and intuitive animations are!

@DragonKingGaav 3 жыл бұрын

I SO love this channel! I have learned SO from this channel! Keep up the amazing work guys!

@DeleriousOdyssey 2 жыл бұрын

This is exactly what I was looking for. Just perfect.

@PhysicsMathMan 2 жыл бұрын

God tier quality again. I'm so impressed with the animations and want to learn them. May you get your own documentary one day!

@pedroberoes49 8 ай бұрын

This is probably the most expertly explained video on youtube.

@venil82 3 жыл бұрын

Love the background music 🤩

@wanchufri 3 жыл бұрын

Great video science click!! Please continue with this job! I will try to make your channel more famous by sharing your videos everywhere, this channel has such a big potential and you should have million subscribers. Best regards from spain

@ScienceClicEN 3 жыл бұрын

Thank you very much !

@BrianSu 2 жыл бұрын

This is one of the best videos on this subject. I’ve read all these exotic terms in books but the animation helps explain them very clearly!!

@jawadhussainkalwar6758 3 жыл бұрын

Absolutely love the content you are making... can't appreciate your hard work enough... you're so cool man.

@saketvadlani9518 3 жыл бұрын

bro ,honestly these videos are absolutely amazing ,so detailed and easy to understand

@ritswik 2 жыл бұрын

This channel is a treasure

@stochastic_rate Жыл бұрын

Your videos are impressive. The explanations, the animations, everything is perfect. Clear and enjoyable. Hats off!

@enlilannunaki9064 3 жыл бұрын

Fabulous clarity. Loved it. Many thanks!

@arseniix Жыл бұрын

This is by far the most elaborated video I've seen, briefly covering every topic one could find in tens of other different sources, while also being quite accurate. Astonishing!

@ScienceClicEN Жыл бұрын

Very glad you liked it 🙏

@arseniix Жыл бұрын

@ScienceClic English I really enjoy every your video! Thank you so much for providing such high-quality content 😌

@gobeaugo 4 ай бұрын

Very user-friendly presentation. Nicely done.

@nightdiver6 3 жыл бұрын

i would definitely love to learn more about the extreme light splitting magnetic fields

@ScienceClicEN 3 жыл бұрын

It's a phenomenon called vacuum birefringence, due to polarization of the quantum vacuum under strong magnetic fields. This is still little known but it has been measured experimentally to some extent around the neutron star RXJ1856.5-3754

@prernabhatt1952 4 ай бұрын

This channel has been recently my favourite one in terms of knowledge . You really provide a interesting explanation of complex topics while keeping their complexity as in case of Quantum Physics and theories.

@rajanvk939 Жыл бұрын

One of the best explanation on Pulsars and neutron stars. Highly appreciate for your effort.

@Epoch11 3 жыл бұрын

Some of the best explanations and animations on KZfaq this is one of the best channels out there

@deyonsadler6828 2 жыл бұрын

God nothing is more fascinating than space, excellent video my friend

@gautambasu1586 2 жыл бұрын

Thanks for the rare details with animation. Didn't expect this much nice content.

@gththcoc6010 2 жыл бұрын

maaaaan!, neutron stars are my main interest as a PhD level student, I wish professors showed such intuitive visualizations when i was learning the topic, AMAZING!

@publicstaticvoid1010 Жыл бұрын

I'm extremely amazed by your explanations.

@sunny_senpai 2 ай бұрын

This channel is a gold mine

@sakthibalaprabakaran9851 2 жыл бұрын

Very nice work brother. I have now cleared my doubts about neutron stars, magnetar and pulsar. Thank you very much.

@bitkurd 3 жыл бұрын

That’s a beautiful channel, my favorite as of today, and that supernova! Masterpiece

@fungi42021 3 жыл бұрын

Thank you! I been looking for a video that I haven't seen yet on the topic

@grzywi19 3 жыл бұрын

this channel is really pure gold. please do not quit Sir

@KaNa95 3 жыл бұрын

I get inspired by every shot in your video. Thank you!

@andreacosta2238 3 жыл бұрын

Once again you impress me with these spectacular videos! Great as always

@susannebyrd4019 3 жыл бұрын

just found this channel and I am consistently blown away by just how amazing these videos are!!!!! I am in awe

@toogood9432 Жыл бұрын

Plusar star mentioned in holly Quran 1400 years ago. By man who can t read or write his name his Muhammad peace on him. God inform him that

@mortimas4137 3 жыл бұрын

Very comprehensive. Nicely done.

@thecrimsongem7954 Жыл бұрын

The visuals you made are awesome! Have to give you praise-

@ohaya1 Жыл бұрын

What a fantastic explanation and wonderful animations!

@dougdouglas3945 8 ай бұрын

Subscribed to your channel couple years ago. Really like your videos. Great content, professional, entertaining and informative, top quality stuff. 👍👍

@nimraarshad4404 2 жыл бұрын

Really good explanation graphics everything just wow

@serge1ukhunsky667 2 жыл бұрын

This is incredible! Thank you so much, for the couple minutes of enlightenment!

@imbass8151 3 жыл бұрын

awesome visuals as always. Keep it up!

@user-lf4bj5os3v Ай бұрын

Amazing video!👍 Thank you!🔥🙏

@billfoster6479 2 жыл бұрын

Brilliant really well put together, I learnt a lot more from this one small video than from any other thanks.

@lass7212 3 жыл бұрын

Always great videos

@jd35711 2 жыл бұрын

i still can't believe it took over 8 months for the algo to rec this channel to me consider my love of physics videos just outstanding work, scripts and animation both

@rushofblood994 2 жыл бұрын

The graphics in your videos are incredible

@rydermike33 2 жыл бұрын

A fascinating video. Many thanks.

@bartekrosner6359 Жыл бұрын

this is a phenomenal material, really helped me with my astronomy project. I hope that it will get the praise it deserves. Great job and thank you!

@tritoner1221 10 ай бұрын

You guys are the best science channel on youtube! Yes, even better than that german artsy one.

@karabine762 2 жыл бұрын

Unbelievable video, mate. Visuals are outstanding.

@RandyH524 3 жыл бұрын

hell yea so happy you put out a new one!

@rbl4641 2 ай бұрын

These things are utterly mind-boggling, that such extreme objects exist...

@jpthinks7109 2 жыл бұрын

The "metronomic" pulsar's frequency matched the BPM of the background music!

@cardboardhero9950 3 жыл бұрын

Thank you for these amazing videos

@PATCHEZinSPACE 2 жыл бұрын

just wanna remind you have amazing this channel is and how i just cant get enough of it!! i hoe one day your content will be in 4k. i know the diagrams and such doesnt really need it but still to have such a sharp image would be fantastic! Thank you so much for your work and love for yall things science..

@navin_ds 3 жыл бұрын

You are going to have millions of subscribers one day.

@asifbajwa826 2 жыл бұрын

I smell A.I. active in scenic clic videos. Or maybe you are a great teacher. either way these videos are breathtakingly amazing.

@jiro4559 2 жыл бұрын

you should get rid of that white bar at the top, it's a distraction from the amazing animations. there's really no need for it. respect for the effort you put into these ;)

@Name-js5uq 2 жыл бұрын

I'm only 3 seconds in and I noticed you have that incredible awesome music in the background that I love so much so I know I'm going to love this video!