The Fate of Our Sun

For billions of years the Sun has been the perpetual, life-giving star in our sky. It's a force of immense power, yet one we take for granted in our every day lives. But like all things, it too must eventually end. Today, we chronicle the future of our home star, its various phases, why this all happens, and the final fate of our Solar System.
Written and presented by Prof David Kipping. Edited by Jorge Casas. Thanks to Matt Scoggins for checking the script.
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::References::
► Schröder & Smith, 2008, "Distant future of the Sun and Earth revisited", MNRAS, 386, 155: arxiv.org/abs/0801.4031
::Music::
Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via Creative Commons (CC) Attribution License (creativecommons.org/licenses/..., or with permission from the artist.
► Hill - Pinhole of Light [open.spotify.com/track/1gJEKP...]
► Chris Zabriskie - Stories About the World That Once Was
► Falls - Ripley
► Hill - Don't Think [open.spotify.com/track/1KUcWR...]
► Hill - A Slowly Lifting Fog [open.spotify.com/track/0GgkyL...]
► Chris Zabriskie - The Ocean's Continue to Rise
► Joachim Heinrich - Y
► Indive - Fusion
::Chapters::
00:00 Introduction
02:06 The Modern Sun
06:41 Leaving the Main Sequence
09:49 Sub-Giant Phase
12:24 Giant Mode
17:05 The Helium Flash
19:07 A Second Life
20:58 Asymptotic Hell
23:25 The White Dwarf Sun
25:38 The Bitter End
27:54 Outro & Credits
#TheSun #DistantFuture #Astronomy

[@MasonHerrick]

I was pretty sure no one would ever adapt the language of physics and astronomy into English as beautifully as Sagan; then I found this channel. True poetry

[@poneill65]

The faux "hushed wonder" (pound-shop Brian Cox) delivery doesn't put you off then? Total agreement on Sagan though, but there is no alternative (yet)

[@MasonHerrick]

@@poneill65 Not at all, David strikes me as eminently authentic in his wonder of the cosmos. His palpable disappointment at not getting JWST time to seek out new moons shows me someone who deeply desires to understand the universe we inhabit. Of course, I could be wrong, but that is not currently my belief. Also, we're humans. How language is delivered matters a great deal, you could have 1,000 people quote Shakespeare and it wouldn't be the most robotic who moved me or made me grasp its meaning most fully, it would be the person who captures it with the most humanity. You and I disagreeing on this is one of the reasons I love being human though, different perspectives and interpretations have led to our flourishing more than hindered it.

[@poneill65]

@@MasonHerrick I don't doubt his sincere passion about science. For me, it's just the clearly contrived delivery he employs at times (the "hushed wonder" Brian cox impression). That's not his normal speaking voice, it also not accidental "in the moment". It's a manipulative contrivance. It's creating a brand, a persona to boost his public "talking head" gig. For me that tomfoolery is an irritant, and a little bit insulting. Horses for courses I guess.

[@TheRealSkeletor]

@@poneill65 Dr. Carl Sagan, for all his brilliance, employed the same contrived brand/persona delivery in his presentation, to the same effect you are critiquing so harshly here. Every presenter does it; it's up to the audience to decide if they find it moving and compelling, or merely irritating.

[@poneill65]

@@TheRealSkeletor Wrong. Sagan delivered his presentations (like Cosmos) exactly how he spoke in every interview I ever saw of him. He used his natural voice, not a contrivance. And the fact that David "puts on" this pound shop Cox affectation is clear for all to see, because we see him speaking normally in many other videos.

[@bigjermboktown6976]

Absolutely one of the best channels on KZbin! One of the top three in my humble opinion

[@NiloAzzurro]

And we absolutely agree. 😊

[@nclaremont]

Which others do you suggest?

[@kristopherelder6376]

What are the other 2 that for you are at the same level?

[@bigjermboktown6976]

@@nclaremont I like the WhyFiles and SEA

[@bigjermboktown6976]

@@kristopherelder6376 SEA and WhyFiles

[@thagrintch]

This was not a video, this was art. You explain so scientifically and with such passion. Thanks for another great topic and for spreading the beauty of science to the public. 1 million subscribers before the end of the year, I guarantee it.

[@joshuagharis9017]

David is amazing 👏 A gift to the world 🌎

[@joshuagharis9017]

To the universe I dare say

[@Ken-fh4jc]

All of his videos are like this. So glad I found this channel a few years back.

[@nathanbrown8515]

I would have agreed with you six months ago. But now that it is January. We can all agree you were wrong. But you should not have been.

[@chosen1one930]

Except anything can happen. Yes stars usually end a couple ways but a life stars is so long its impossible to know if that will actually happen.

[@1edgeman76]

Hands Down, THE BEST content out there!!! I will endlessly follow Dr. Kipping through any journey, he and his teammates wish to traverse. Absolutely Astounding!!!!!

[@FFNOJG]

This channel and history of the universe (my personal favorite, but this is a very close 2nd) are the two best channels on youtube. also history of the earth

[@rb3872]

​@@FFNOJG try SEA too someday. You will like it.

[@BrusqueSkeptic]

@@rb3872 SEA is so good 🙌🙌

[@adrianchrostowski3613]

Dr Kipping please come to Poland one day so I can hang out with you 😊 you’re like a science bard telling beautiful stories about our place in the universe ❤

[@prototropo]

I agree. This "thing," is more than a KZbin video, more than a great science presentation, even more than an artistically fashioned, cerebrally astonishing, scholarly work for important archives!

[@AliAkbar-rn3zk]

Professor Kipping not only explains Astrophysics in an interesting & intriguing way but his videos always have inspiring & motivating life lessons! His delivery is highly satisfying & soothing. Highly appreciated!

[@SMELLGOODER]

Whenever I receive a Cool Worlds notification..... I KNOW that I'm about to be enlightened!!

[@LavaCreeperPeople]

How It All Ends | The Demise of our Sun

[@terryboyer1342]

Smellgooder Except when the topic is dark matter or black holes. 🤣

[@SMELLGOODER]

​@@terryboyer1342 i see whatcha did there 😎

[@terryboyer1342]

@@SMELLGOODER 🤫

[@duke68318]

Professor Kipping has the mind of a scientist and the soul of a poet. Thank you Sir ✌🏻

[@AnotherJaysMovie]

I never thought I could be that emotional invested in the life and death of the sun, but here we are. Another incredible video from Coo Worlds!

[@joshuagharis9017]

Truly agree 👍. David is one of a generation 👏

[@superb444]

So emotional, and yet so educative. A perfect blend of affect and cognition. Best content ever.

[@CoolWorldsLab]

Thanks for watching, be sure to like/share/comment if you enjoyed! For those wondering about engineering our way out of this, we published a paper on this recently ( arxiv.org/abs/2210.02338 ) using a technique called Starlifting, we have a video on that too over at kzbin.info/www/bejne/f4qTfIqCltOfgq8. Also, be sure to check out our new podcast for more Cool Worlds content, head to www.youtube.com/@CoolWorldsPodcast

[@thelaughinghyenas8465]

Thank you very much for the episode.

[@jackesioto]

We could also move Earth (and Venus and Mars if inhabited) further from the sun during its initial death throes and then close in again once it turns into a white dwarf star.

[@CoolWorldsLab]

@@jackesioto it’s a dangerous procedure and it doesn’t actually change the stellar spectrum so the proportions of light change and still threaten life

[@Deelight664]

The video briefly mentioned that Mars will be habitable at some point. How long will that last?

[@thelaughinghyenas8465]

@@Deelight664 , It won't suddenly become habitable to us. We would need to do a LOT of work to establish and keep an atmosphere and radiation shielding. I suspect we would find O'Neill cylinders more practical. They would allow us to maintain an atmosphere and would be more portable to chase a comfortable temperature.

[@TheGw166579]

I have watched your channel for what seems years now and every time I am amazed when a new video comes out. Your channel is truly one of the best science/astronomy channels on YT. I was lucky enough to be a child when Carl Sagan was producing such wonderful TV and books and is work got me interested in astronomy and science. I can honestly say you and your team inspire and make me wonder as much as Carl,did and still does rewatching his work. This is the best compliment I could think of to thank you for your work. You are a wonderful presenter and educator I hope all the msgs you get from viewers inspire you and your team to carry on such wonderful work.

[@CoolWorldsLab]

Thank you so much for your kind words

[@mawkernewek]

I had forgotten about the billion-year long subgiant phase. One of the things I found interesting about stellar evolution is how what is happening in the core is often the opposite of what is happening in the outer layers, as the core gets denser and hotter, the outer layers get more puffed up and cooler.

[@billant2]

The higher the core temperature, the higher the outer layer ionization, it's like a curtain drawn over the Sun. But damn, if we had a shot of vodka for each time the core temp increased and went degenerate, we'd be watching this really drunk. hehe

[@joshuagharis9017]

Perhaps we migrate to a habitable Mars during this phase? It'd be so cool to see 👀

[@mars-jr5uu]

@@billant2are you drunk yet?😊

[@billant2]

​@@mars-jr5uu- Yeah man... let's take a shot every thing we hear "the core temp increased ". lol

[@kierangraham6756]

I was actually choked up, with your words everything fades away. So important to realize how special life is. Amazing thank you

[@opoxious1592]

I actually makes me cry inside

[@bouwmr]

There are many many science oriented channels on KZbin, none however achieve this combination of science and beauty, both in the footage and narration.

[@CoolWorldsLab]

🙏 my goal is try to create something beautiful

[@calitaco]

@@CoolWorldsLab You have succeeded.

[@VictorbrineSC]

I am crying for that giant ball of plasma in the sky, even though I'll die way earlier than her and every human on Earth won't really be alive to see all this suffering she'll go through. Watched this video while it was still daytime, so thank you Sun... thank you for pretty much giving us life.

[@Bitchslapper316]

Lol

[@jackesioto]

Alas, there's no life without death.

[@Boz196]

There is no point crying over the functions of the universe. It is not good or bad, it is indifferent.

[@4shadow2]

@@Mahlak_Mriuani_Anatmanso why not go on a murder spree

[@4shadow2]

Every human on earth will be alive to see the suffering of the heat in the end tho..

[@gregoryfilms9405]

I remember my grandad taking my cousins and I to The London Planetarium when I was about 8. We watched a presentation on the dome about the universe, but what stayed with me from that day was that the sun will one day expire and take Earth with it. My cousins didn't seem bothered but it terrified me and engraved in my brain!

[@johncollier1405]

Yes sir the sun will die,but not in our lifetime..

[@scroopynooperz9051]

Destroying the Earth a billion years from now is an inconceivable amount of time from a human perspective. Odds are more likely we would have destroyed ourselves and sterilised the planet WWAY before then 😂 Don't sweat it

[@gregoryfilms9405]

@@scroopynooperz9051 The key point: "when I was about 8"

[@puliyogre]

We the children of the Sun discovered our parents' story, we are the way that the solar system knows itself. Crying at this line, poetry and science together and at it's absolute best.

[@jaybee6701]

There’s something about all of it on this channel - the presentation’s pace and cadence, the comfort of the known knowns with acceptance of and descriptions of the three combinations of unknowns - that makes it calmly ok to not be ok with our extreme finiteness in a seemingly possible infiniteness, all of which is so improbable and likely bearing heavily upon the impossible… but yeah, somehow this channel’s explanations of how some things aren’t even (yet) explainable are done in a way that lulls your existentially calamitous anxiety to rest, like a baby with a full belly and a binky. TLDR. Channel rocks, keep it up mate.

[@chegeny]

Thank you, Prof David Kipping, for your excellent channel. Always compelling content.

[@CoolWorldsLab]

🙏

[@hi-et1oq]

​@@CoolWorldsLabyou talk like will are so good to this planet fake ass

[@trev5163]

Nothing better than a Cool Worlds video to start the day with some perspective 🤘

[@Rares.E]

...or to finish! Amsterdam 19:44

[@Alcatrazrezz]

I love your videos they make me look at everyday life differently

[@steveomedic]

Thank you for producing this. In my decades of a thankful existence, i've understandably taken for granted, up until now, what has gifted me/us with an ability to perceive the life provided.

[@just_me2797]

Thank you very much. I have been checking your channel frequently and impatiently waiting for another great video.

[@Joe-ym6bw]

Professor Dave is so articulate in his explanation of science

[@LoveHandle4890]

The film “Knowing” covers this topic perfectly.

[@sinlatenightsins9657]

I love these long form videos. The juxtaposition of calamity & calmness is so soothing. Thank you

[@greenlantern1123]

That was just amazing. Thank you ! A touching reminder of the cycle of life and death we all share even with our Sun ☀️

[@zigajavornik1026]

I will watch later, but I will like now. Thanks for uploading in a time like this. Hope you get JWST soon, you guys deserve it!

[@MassEffect1988]

Your narration is amazing 👏 let alone your passion on these subjects. Brilliant.

[@nuvostef]

This was one of, if not the best, episode yet. It was not just educational, it was beautifully poetic. Thank you, Dr. Kipping! 🤗🌹

[@MCsCreations]

That's pure art, dr. Kipping! Thanks!!! 😊 Stay safe there with your family! 🖖😊

[@deanlawson6880]

Wow! I've seen explanations of the different phases of the lifetime of our Sun, but NEVER with the riveting and dramatic style and energy and enthusiasm of the telling by Prof. Kipping. This was just mesmerizing and absolutely riveting. So very well done. I just love this video! Just wow!!

[@Adamage808]

Tonight will be the night that I fall for you 🖤🖤over againnnnnnnnnn

[@elixier33]

I love your calm voice and the way that you narrate. Your content is truly amazing truly inspiring and I wish there was more of it.

[@SqueakyChase]

You make a wonderous child-like connection with me in your videos. For just a moment the world and our problems seem so small. Thank you from an old guy.

[@Andrews__YT]

Never heard of the Sun being personified quite in this way before. Actually made me a little emotional.

[@sergiysergiy]

Dude, your videos are so awesome. Thank you!

[@terrytwotoes3225]

The sun has given life to me and I'm forever grateful. I lived in a time of beauty to look outside and see the blue sky green leaves on the trees outside my window. Food in my belly and clean water to drink that's all I could ask for ❤

[@MissWampire]

Our beautiful sun chooses violence. She will fight and fight even more than we can imagine. I remember the first time I heard our sun will eventually swallow the earth. I'll never forget that feeling as a child. We humans are so lucky to see this content, to learn all of this. To see the blossoming earth days that are not lasting forever. Thank you!

[@EstudioVoitheia]

How come most habitable planets have much less ressources and stability than Earth? Why are we here? Why we are so luck?

[@lucschus7061]

Interesting...

[@TheChocolatBlanc]

Because if it didn’t have enough ressources we wouldn’t be here

[@Steve-si8hx]

We are lucky ?

[@CMDR_MAJIC]

Life will only appear when the prerequisite conditions exist. Not every resource abundant planet will form life, but every planet hosting life must possess the necessary resources to sustain that life. If not here, then somewhere else. And somewhere out there, an extra-terrestrial is pondering that exact same question on their resource abundant planet in another star system, far away ✨

[@JasonGuySmiley]

this has to happen somewhere and where it does something like us is apparently what happens. It's not so much lucky, it's just unlikely but given the sheer number of stars and planets this set up was inevitable ya know

[@ujjc001]

We are such an insignificant blip in the time line of the universe. Make sure you take notice of how incredible this life is and what we have accomplished in this little speck of time. Do what you can to make the most of our infinitesimally small time here. Love you all.

[@Boz196]

Exactly right, I don't get how nihilism is even a thing. We are lucky enough to be able experience the universe and all of its wonder and struggles so we might as well make the most of it!

[@Mahlak_Mriuani_Anatman]

It's peaceful knowing humans won't stay around 😌 6th extinction and many more to come Too bad I'll never get what i want

[@nodescriptionavailable3842]

Cool Worlds, Astrum, and Melodysheep are my go too channels for reawakening my wonder. There are a couple others I cant think of right now, im still in the pre-caffeine phase of my life cycle

[@kesdeya1221]

Love your page! Amazingly calming before bed. Keep the videos up.

[@genoesposito3526]

Astonishing and beautifully explained by Professor Kipping, thank you so much for this wonderful channel.

[@dmsoundcollective6746]

Oh my god that was incredible. You just blew up my imagination.

[@mathiasalison8803]

Amazing work! Thank you cool worlds for enriching my life with such marvellous information, conveyed so poetically. 🙏

[@talanigreywolf7110]

That was an amazing journey, thank you!

[@Dionaea_floridensis]

It aaaalllll retuuuuurns to noooothiiiiing It all comes tumbling down tumbling down tumbling doooowwnn

[@felipestrefling3164]

Never have I learned so much while shedding so much tears. In this life, a mere blink for our cosmic mother, I've known tears of sadness, tears of joy, but now I know what the tears of wonder, the tears of awe feels like . Thank you Professor Kipping, before endeavoring into biology and now computer science, I've always had a passion for the stars. In my deep youth, I fondly remember gleaming over atlases of the universe, hungry to know, without even knowing it, where we come from, why we are here and where will we be. I hope to one day trek again and walk the fields of Astronomy and Cosmology, to share and mingle my future past knowledge of cellular processes and systems architecture with the disciple of stellar logic and contribute to our shared expanse and understanding. Thank you.

[@heythere135]

I love your channel. I’m always looking forward to the next content. A beautiful reminder that even after we as humans are gone, so too will be the cradle that supported us

[@kami-md2zw]

profoundly grateful for this channel

[@roykent9591]

Man, ur the only youtuber that i wait a notifcation from

[@CoolWorldsLab]

🙏

[@ThandiweSiwo01]

As always, I'm blown away. It is just amazing how you knit words that speak right to the human within us all, and makes these documentaries so much more worth our time, because this is our life right here. Thank you Cool Worlds Lab. I keep learning with each video, and I'm grateful for the chance at life, because these videos remind me every time what a miracle it truly is to be born at all.

[@kirandeepchakraborty7921]

Can explain how much I eagerly wait for your videos. Love them❤

[@felixverduin569]

Amazing content! I am in awe about our sun's capabilities. I also really like the graphs making the explanations visually clear.

[@Traveydius]

At the mention of "rage" at 26:48, I was expecting a citation of Dylan Thomas's "Do not go gentle into that good night" to follow. I very much enjoy these lectured documentaries that invite us on journeys within our universe. Ever since I watched "A Journey to the End of the Universe," my outlook on the universe and our place in it has shifted from obliviousness and ignorance to gratitude and awe. Sometimes I even try to explain some of the concepts I have learned over the past four years to other people, as best I can, whenever I can. Hats off to your vision and what you do, sir.

[@Italianjedi7]

Wow. Just wow. Dr. Kipping, you are an amazing narrator and science communicator. I did not know the sun would get a brief second chance at "life" so I learned something today. Also, I need to give you some additional credit for instilling a sense of sadness and love towards our mother star. I actually did feel a little sad at the end of the video and as a science storyteller; you are second to none. I truly wish I could hear you lecture in person. Stay awesome!

[@adamtheangler]

You pulled me in with the Sunshine thumbnail, and kept me with the clips from the movie. It's one of my fave sci-fi's!

[@Dextronaut1]

Incredible content!! Appreciate your work so much professer Kipping 🥰

[@sammyk7024]

Professor Kipping, you are, hands down, the most brilliant scientific story-teller ever. Period. Thank you so very much for making your deeply inspirational videos available for us to watch.

[@poopybaby9794]

I'll just get straight to the point with my question, how do we know all of this for certain? I don't doubt the claims and I've known about the sun's end for many years now, but since putting some thought to it since watching this I don't know how people figured this out and how we can say such things with confidence. Can someone explain to me how these conclusions were reached?

[@Zarith7480]

I was watching your "is the sun unusual' video last night wondering when you would upload again! What a treat !

[@Boomer08888]

A beautiful video! thank you, Cool Worlds!

[@mandelbraught2728]

Your lovely narration masks the detailed description you're slipping in. I never knew that the sun will go through two giant phases like that, and other surprises I never knew. Really outstanding science communication!!! Total aside, but I never really understood why astrophysicists don't review their nomenclature and just fix things - like "planetary nebulae" or "metals". I think of science as the ultimate in rigor and precision but then there is this seemingly confusing terminology. It seems like every science communicator has to include an aside explaining why the name doesn't fit what we would guess from it. I dunno, just a silly pet peeve of mine.

[@CoolWorldsLab]

It’s a real pain but I agree

[@xherii]

Prepare to be absolutely blown away by the mind-blowing fusion of astrophysics and poetry! 🌌📚✨ As a devoted fan, I couldn't help but be mesmerized by the awe-inspiring brilliance of this content. The way it seamlessly weaves together the vast mysteries of the cosmos with the power of poetic expression is simply breathtaking. 🌟💫✍ Every line, every word, carries the weight of the universe, transporting us to realms beyond imagination. 🚀🌠 I find myself utterly captivated, unable to resist the gravitational pull of this extraordinary journey. 🌌📝❤ To the brilliant content creator behind this celestial masterpiece, I bow down in sheer admiration and gratitude. 🙌✨ Your ability to ignite a sense of wonder and awe is unparalleled, and I eagerly anticipate each new piece of cosmic poetry that graces my feed. 🌌💖✨ Thank you for enriching our lives with this sublime fusion of knowledge and artistry. 🌟

[@jamesholland5761]

Loved the video! Thank you so much! Very informative and entertaining!

[@kinguq4510791]

Beautiful. Thank you.

[@daphilipp2085]

Cool worlds videos are just so unbelievably beautiful narrated, I just want to watch them again and again. Thanks for this small adventures in my mind

[@debbiehenri345]

This has to be one of the most beautifully narrated space channels on KZbin. Factual and thought provoking, almost a meditation on space themes.

[@rayoflight62]

It is very fascinating and a mirable tale - how you told the story of our Sun! Thank you Prof. Kipping Greetings, Anthony

[@seanvsn]

I have anxiety and stress problems related to workloads that started giving me constant psycosomatic pain. Only cure apart from drugs is relaxation exercises and yoga/meditation/stretching; your videos help me a lot: your voice, the soundtracks you use, the topic. I gotta thank you, your channel is kind of a medicine for me.

[@yfns4795]

1) Melody sheep 2) cool world's 3) Kurzgesagt 4) sciencefile the AI 5) astro pro Best astronomy channels/channels that make astronomy vids in the world

[@manco828]

Astrum SEA

[@yfns4795]

@@manco828 I had to cap myself at 5, if I listed all the ones I watched such as; future unity, SEA, VTV, DTTV, Jason Kendall, bright side, voyager, history of the universe, kosmo, space matters, geographics, spark, universe and space, destiny, riddle, scishow space, and many more we'd be here all day. But the ones I stated were the ones that stood out the most to me, geographics would be the only one of those I just mentioned able to stand among them at the top.

[@manco828]

@@yfns4795 SEA is the least clickbaity.

[@yfns4795]

@@manco828 not sure if I'd say least, they're definitely not clickbaity but they'd be like 10th least on my list.

[@Realistic_Management]

Never before has someone so thoughtfully, artfully, and beautifully blended the worlds of Art & Science. Truly, Professor Kipping, you are doing incredible work with this channel. Keep doing what you're doing and inspiring the next generation of dreamers!

[@CortanaCH]

I watched it already, but let it run full a 2nd time. Hope that helps! You are one of the most inspiring YT channels I‘ve ever came across. I hope you never stop making these videos!

[@klocugh12]

Intro and outro were poetic! You really have a way with words.

[@nikka96gardner44]

Hi sir I am from India and I love watching your videos.. Your last short video was very motivation and it's true 👍 We shouldn't lose hope no matter how many times we face rejection👍❤️.. Please keep make content like you always do cuz they are so much unique in youtube 👍💙

[@ayubamunkaila4375]

An astrophysicist and a poet in one body. Amazing content.❤

[@paulmullany7147]

That was a great one and you really endear the subject to the audience. I really hope you lecture. Your students would be privileged. Cheers Paul

[@charlyjanelives]

your writing is just. so good. A+ scripts, fam

[@jamesgeary4294]

I knew broadly how the Sun would age already, but this was a great, straightforward explanation of the details. Thanks for always putting out such great content!

[@ieatlostsoulz]

The suns gonna explode before we get gta6

[@davidmanzanares260]

I’ve watched the video twice through, and found it very well done and entertaining. The science is spot-on and easily digestible. Keep them coming !!!

[@TheRazouk]

beautifully as usual presented.thanks cool worlds

[@KingBritish]

PS: Thanks Sun, for everything! Enjoy your retirement!

[@AnakinSkywalker-mm3gi]

Sir, this is a Wendy's...

[@XxTheAwokenOnexX]

Thankyou for another great video Cool Worlds 👍 #LetsGoProfessorKipping ❤️🔥👊

[@guitaripod]

So so good yet again. Thank you

[@CallmeKenneth-tb1zb]

Why do so many of you science youtubers make videos about the end of the sun when you know full well we have the scientific knowledge to extend our sun's life for trillions of years longer than any other?

[@ElekHouselov]

Could you expand on how to do it. I'm curious.

[@Tiknaps]

Can you explain? I've never heard this before

[@sorryplease5071]

The idea is called “stellar lifting.” Ways to remove mass from the Sun to slow its rate of fusion and helium concentration in the core. It’s an absolutely massive engineering problem, but it’s theoretically plausible and we have millions of years to figure it out. Imagine building billions + mirrors around the sun that can focus its own light back on a small spot on the sun, greatly increasing its temperature in that one spot, essentially creating a non-stop coronal mass ejection which could then be collected and transported elsewhere for storage. Issac Arthur is a good follow if you’re interested in those types of fringe/sci-fi ideas.

[@dudeiplayhockey]

Typical KZbin commenter.. can easily extend the life of the Sun by a trillion years, but can't understand that this video is about so much more than that.

[@jssomewhere6740]

@@sorryplease5071 that may be a tactic used when we are capable of building the machines that can build a project on such a scale. To arrive at that stage we need to constantly gain in our knowledge possibly allowing humans to accomplish this construction. To achieve these gains it will be people like professor Kipping that will help us to learn how it all works. Cool Worlds really can't be clumped in with the junk science channels. His is a name that referred to as top in the field. He's not trying to scare folks he's an educator and a good one. I'm just saying he's worth listening too.

[@topcat56]

One of your best David!!

[@steveforks9698]

Your channel is very informative,delivered in a very relaxing style which makes your channel one if not the best on KZbin 👍

[@jetboy33]

I don't know why, but I've been thinking about this lately. Great to see a Cool Worlds vid on just this subject!

[@joshuagharis9017]

I get so excited when a new video comes out, like no other channel 😊

[@soggdogg]

So glad i found thid channel! Thank you!

[@Kishishev1903]

David Kipping take a bow.. what a beautiful tribute to our Sun 💯

[@odie11771]

This is one of the most fascinating channels on this planet.

[@nedyalkokarabadzhakov5405]

i have to say it . I love this channel and how david expalin so we can learn abour the universe. Thank you.

[@digitalfabric]

Your opening lines were so poetic and beautiful. The hole video is great but those opening lines…well done

[@TOMAS-lh4er]

GREAT !! I was really needing a shot of Cool Worlds !!!

[@Gokool_wid_Life_coz_YoLO]

Gives me goosebumps and tears 😭 at the end. Everything good or bad most come to an end, even the mighty sun ☀, our dear ❤️ star 🌟.

[@damianphelps]

That was incredible 👏 thanks Cool Worlds. 😎