The Sun will turn into a Red Giant TWICE!

[@davidprime6080]

3:36 "When the solar system was young, the sun was dimmer and cooler". I can relate.

[@narfwhals7843]

You used to be cool, sun. What happened?

[@VeganAncientDragonKnight]

@Phyrrus John Seno "remember it's okay to be edgy!"

[@ranekeisenkralle8265]

Funny how humans as a species are at the inverse of the sun's brightness. As society grows, humans become ever more dim.

[@hyundaisonata580]

We are screwed. Either we fry or freeze.

[@istillplayroblox6952]

@@hyundaisonata580 well we are gonna fry over in the earth than by *O U R S U N*

[@admiralhyperspace0015]

We can't appreciate enough that we learn this for free.

[@chuckoneill2023]

You can buy Nick's book, which gets way deep into the math; you'll learn more and also support the channel. Be advised: SERIOUS math.

[@admiralhyperspace0015]

@@chuckoneill2023 I am a Physics Major. I will read his book after the graduation as he recommends it then. And also because I don't have that much time to learn tensor calculus more than basics of tensor.

[@Mohamedomg706]

This man is the most underrated youtube channel in my personal opinion, he's so funny, his videos are well edited, and his topics are interesting, and he's been uploading consistently for yeaaars now... I still don't understand why he hasn't got *at least* a million subscribers, seriously, i think something is wrong with the KZbin algorithm

[@SaebaRyo21]

Exactly!!!

[@brijeshsingh8460]

Here, I'm the 70th like

[@RoguishlyHandsome]

_Reality is complicated and nuanced_ Ain't that the truth.

[@alphagt62]

And in 5 billion years, people will look back and say, “Nick was right!, he correctly predicted the growth of the Sun!”.

[@davidcroft95]

As an astrophysicist, this so accurate and simple at same time! It's not a semester-long course on stellar evolution, but still. Just one thing: to be more precise stars are born when the proto-stellar cloud is wiped out (so basically when we start to see them) but at that point nuclear fusion is not yet started

[@ScienceAsylum]

*"...(so basically when we start to see them)..."* Spoken like a true observational astronomer 😉

[@davidcroft95]

@@ScienceAsylum I'm not yet (some exams and thesis to go) but thank you! Really appreciated!

[@aniczeljko6869]

Huh?

[@personapromedio5117]

Id like to know how many stars existes before our sun

[@davidcroft95]

@@personapromedio5117 that's an answer that no one would know. Milions, billions... Who knows? What we know is that lots of them are still alive, and will die way after our Sun... Some have not pass their half life even if they were born 12 billions of years ago!

[@abhaysharma966]

I had a vague idea that stars do grow as they age but didn't knew that they expand and contract for some iterations before they eventually turn into white dwarf, as nick said in his previous videos "In reality there is always a deeper layer of understanding for just about anything".

[@WGDO5805]

Sometimes I can't help myself thinking - when someone is talking only about material stars - about 'the stars' on earth, the people in many branches of society.

[@Subtweeted]

Me 3 years ago: “physics is boring. Physicists must be even more boring.” Me after 3 years in the asylum: “PHYSICS! SPACE! CLONES! WOOHOO!!”

[@akshit9774]

So damn true , but 1 year ago in my case😂

[@NotThere803]

lol

[@alejrandom6592]

This makes me happy :)

[@alejrandom6592]

@Piotr Gołacki the school system makes everything look boring

[@justcreed4024]

What kind of Asylum? 😂😂

[@mixtlillness9825]

Better start saving up for that starship then. I’m sure the payments will be, astronomical.

[@chuckoneill2023]

On the other hand, who'll collect when the bank is vaporized?

[@chriswilson1853]

Just put one penny in a savings account, after a billion years of accrued interest there should be enough in there.

[@SimonClarkstone]

It should be possible to move the Earth further out in that timespan, or build sunshades. The techniques for doing so are well understood, but we currently don't have enough industrial capacity.

[@martinaguilar5646]

EYYYYYY

[@martynh5410]

Yes, the cost will be out of this World!

[@meii_jasmine]

Free education in an understandable way, and was even more surprised you did all of the work from presenting to editing, even animating! Great job, I enjoyed this video from start to finish! 🌸

[@kafuuchino3236]

One day you'll be doing a cosmology video, say "let's start at the beginning," your AI won't do anything and will ask you what you mean by that exactly, and then you'll say "...ugh, I literally meant the Big Bang this time!"

[@parzh]

Ahaha, I’m sure he’s doing that in the next video :)

[@dan7291able]

lmao nice one

[@YunxiaoChu]

Hah

[@prodan1352]

Surprised this doesn’t have more views by now! Nicks videos are some of the best on KZbin and are highly informative, but in an understandable way.

[@ScienceAsylum]

Video seems to be under-performing for some reason. Oh well 🤷‍♂️

[@prodan1352]

@@ScienceAsylum I am sure it will pick up! I have found a few other KZbinr’s doing video title votes on KZbin allowing their followers to pick the titles of their next videos. Maybe that would engage some of the masses. But maybe you already do this and I’m oblivious haha

[@ScienceAsylum]

@@prodan1352 I know Derek Muller has done this a few times, but the thumbnail people pick doesn't ever end up being the one people actually click on. Anyway, I changed the title and thumbnail again. We'll see if this one is better. (It's less negative.)

[@gracemoran4708]

@@ScienceAsylum HI

[@russchadwell]

Sun be like, "I brought you into being, I can sure take you OUT!"

[@electronresonator8882]

no, the sun didn't, the other planets are evidence of that

[@adammarkiewicz3375]

It didn't bring us into being, but clearly it can say: "After supporting you for so long time it is time for me to eat you."

[@russchadwell]

To all those pointing out that the sun didn't create the planets... the solar nebula did. That's part of star formation. So now we are splitting hairs, all in the name of a joke for ___ sake.

[@adammarkiewicz3375]

@@russchadwell You obviously ment "for fun sake"? That's exactly what the jokes are for. Have a great day!

[@melissahoffman4687]

@@electronresonator8882 If you watch "how the universe works" it teaches you a ton. Lots of asteroids and comets came from Jupiter that created the Earth. Thanks for frozen comets we have oceans.

[@derworfnet]

*Sun expands once* "That's a lot of damage! How bout a little more!?" *Sun expands a second time* _"Now THAT'S a lot of damage!!"_

[@GenericSpaceNerd]

Underrated comment

[@maidnuu]

The last time I was this early, the Universe wasn't transparent to photons yet.

[@evilotis01]

you were great in goal for Chelsea

[@maidnuu]

Last time I was this early the title of the video was "Will the Sun destroy the Earth?"

[@kevinbihari]

Lol

[@razvandobos9759]

Back in 2010, I first got into astronomy, and through a book I got at a science museum on the sun, I first learned about it becoming a red giant, and I got really nervous. By the time I started the fifth grade that year I became fascinated and a little obsessed due to my Aspergers on the sun becoming a red giant. I’m still into astronomy 11 years later, and this will always be one of the fascinating things to learn about

[@Psychosmurf5471]

"The Earth will be vaporized." So whose bright idea was it to put a giant nuclear fusion reactor in the center of our solar system?

[@SS-lp8fu]

Ok, you have my like.

[@Graeme_Lastname]

Better than the centre of Cardiff.

[@mixtlillness9825]

Not in my backyard!

[@SteveAAF]

My bad, sry. It looked good on paper.

[@davidprime6080]

We should ditch nuclear and switch to solar power

[@laesseV]

Plot twist: in a few million years or so a random star passes by the solar system and slingshots the Earth into the cold empty darkness of the universe, where the planet slowly freezes to death. On a brighter note, I had Lasagna today I like Lasagna.

[@ScienceAsylum]

Mmmmm Lasagna

[@iamjimgroth]

Lasagna is good.

[@hubertfarnsworth6824]

Lasagna = delicious

[@RS-ls7mm]

But will there still be Mondays?

[@zsomborpataki488]

@@RS-ls7mm Of course, this must happen on a monday lol

[@Kazedor]

1:42 Whatever you do, don't stop that. That joke never gets old. Edit: Well, cosmicly assured destruction has never seemed so interesting until now.

[@brijeshsingh8460]

It never gets old Just like the younglings

[@wheeliekidbp]

Have to agree. Its timeless.

[@RealJohnnyAngel]

I read about this in a textbbok when i was like 8. i did not understand the timescales involved and had my first existential crisis. then when the timescales involved were explained to try and calm me down, i had my second existential crisis.. now i love this shit.

[@davidpowell3347]

the textbooks might tell different stories depending on when they were written what kind of star becomes a dwarf cephid? How about a classical cephid?

[@RasperHelpdesk]

Some say the world will end in fire, Some say in ice. From what I’ve tasted of desire I hold with those who favor fire. But if it had to perish twice, I think I know enough of hate To say that for destruction ice Is also great And would suffice.

[@anshrao1814]

robert frost❤️

[@Warlord_Megatron]

Hey that poem by Robert Frost. Fire and ice.

[@charlesmawson8393]

This channel is so great. You deserve 10 mil subs. People still sleeping on this. I really thought I knew the story about how the sun would consume the earth and you revealed several things I never heard or considered before. Thank you!

[@punditgi]

Just so long as Nick Lucid and the Science Asylum survive, I'm Ok with all the rest.

[@tuneboyz5634]

😡

[@carpdog42]

As long as "the rest" doesn't include the possibility that we are already in the future and currently are just being simulated by a a hyper-intelligent AI based on Nick Lucid because someone was foolish enough to ask it about Roco's Basilisk.

[@roelrijkens4061]

@Ezra Steinberg You realise that you are part of all the rest ?

[@mannyquinn9031]

4:19 assuming we survive our own stupidity ....THAT'S A HUGE ASSUMPTION

[@kevinj2525]

Thinking about things on this timescale really puts things into perspective. Like... you should probably forgive people (including yourself), allow yourself to enjoy things without feeling guilty for feeling good, and just be courageous and ask that person out.

[@theconstantchange]

“Assumingggg, we survive our own STUPIDITY!!” Quote of the year!

[@maskettaman1488]

Sort of a meaningless quote really. There's almost nothing humans can do that would cause a complete extinction

[@cantoninacanton]

Bruh

[@sourcebrowney2024]

@@maskettaman1488 oh yh what if another virus is created by us humans and we eventually go extinct due to that

[@maskettaman1488]

@@sourcebrowney2024 "What if we did X that made humanity go extinct" my point is that doing X isn't really possible in the first place.

[@sourcebrowney2024]

@@maskettaman1488 yh i understand i was getting to that point cos even if humans made a deadly virus there are natural mutations within most of us humans for eliminating the virus and survive its just like how insects get resistance to pesticides

[@SteveValanch]

I’ve finally been here long enough that when you say “fast” I’m waiting for “FAST FAST”

[@sergio1up]

The interaction with the clone and his indignation about the earth... is priceless

[@ClearerThanMud]

Loved the clone's frustration.

[@saumitrachakravarty]

8:24 "Reality is complicated and nuanced, ok?" is my main takeaway from this video.

[@axelBr1]

"I have a book..." ;)

[@scott_meyer]

Unless the Vogons get to it first.....

[@LuisAldamiz]

And they will. But first they will read you some of their poetry...

[@ScienceAsylum]

The paperwork wasn't filed in triplicate. It might be a while.

[@kreynolds1123]

Will humans eventually evolve into another species from what we are today with in a billion years? Natural evolution certainly would cause us to become different species. But, we are rapidly entering a period where we can control our evolution. The question is how much can we change and remain Homo Sapien with enhancements versus a new species. And, would our distant descendants even have an interest in remaining Homo Sapien. Will they instead prefer to be one species, or specialize and differentiate into species like Homo Imponderables (weight less), Homo Lunarian, Homo Martian, and Homo Titanian. Maybe our decendents will prefer simplified bodies that interface better with machines, and evolve to be cyborg.

[@LuisAldamiz]

@@kreynolds1123 - We control nothing, someone in power does maybe, but we do not. The result is (choose carefully): 1. Terminator scenario: AI takes over, humans annihilated. 2. Brave New World scenario: humans do not "improve" themselves (at least not significantly) with transgenia but downgrade most among themselves to make subservient castes for subservient roles. 3. The Day After Tomorrow scenario: all is destroyed by nuclear war "accidentally" (we have been already in the brink of that many times). 4. There's an eco-socialist revolution and we begin doing things differently in very radical ways, saving good old humans from the risk of extinction (and maybe other species too as accidental side achievement). I want the fourth one but right now I'm almost sure it'll be either 1, 2 or 3 (all all three combined). :(

[@brawnstein]

I mean, we do need that intergalactic highway fam.

[@LeoStaley]

This is high quality stuff. I pay way too much attention to moderate level astronomy stuff, but I've never heard of this.

[@PapaFlammy69]

>heat death ;_;

[@taw3e8]

HI :) Have you ever studied GR? It uses one of the most beautiful math I've seen

[@laughlinflyer]

Gliese 710 would like to have a word...

[@رضاشریعت]

Papa flammy is here

[@Nulley0]

Too bad it still didn't happen

[@pmathewizard]

Every STEM channels are interconnected

[@DavyanHatch]

When I first read the title, I was thinking “WOW, NOBODY KNEW THAT WAS GONNA HAPPEN”, but than I read the part where it says “twice” lol

[@Keith_Rothwell]

That stifled laughter after saying "A sh*t ton of times." , was masterful.

[@NotAyFox]

The thing that really blew my mind here is that this is the first time I'm hearing of a CNO cycle, so I immediately had to read up on that, because I didn't understand how the C N and O got there in the first place. As it turns out, you only need some Carbon-12 to start the cycle and even metal-free or very-low metallicity stars will slowly produce small amounts of Carbon-12 and once it reaches at least 10^-10 metallicity rate, it's enough to get the cycle started, whose rate the increases with temperature of the core as shown in the video. Learned something cool today. Also, I didn't realize Earth would vaporize if engulfed by Red Giant's outer layers due to high temperatures. I thought its orbit would sooner start lowering rapidly due to a drag on those outer layers, making it fall into the core. Cool video.

[@TRayTV]

I wonder how something like atmospheric drag from the nebula or later the outer layer of the sun might reduce the Earth's orbital velocity and thereby the circumference of its orbit?

[@Eleuthero5]

Your videos are fabulous for many reasons, not least of which is the clarity of explanations for all the physical processes described. Thank you.

[@JesseGilbride]

Love that Nick mentions humans will have evolved after 1B years - critical and fascinating info. I imagine they'll have a generic record of all the different evolutionary steps. Maybe they could recreate our version if they so chose. Whacky.

[@massimoesposito7014]

For what we learn by this video, let's enjoy every single sunny day of our life.

[@stefanoguseli5975]

If in roughly 100 years we could go from horse and buggy technology to landing on the moon. What kind of tech would we have in 1000 years? Stargates, warp drives, Chewy, a packet of Tim Tams that never run out? At any rate your video is just cool man. Ten thumbs up!

[@jstusr]

None of the technologies that we have now violates the laws of physics. It is illusory to think that future generations will find a magical way to invent all these fantastic things. It's a cognitive distortion fueled by science fiction

[@suspiciousdoge9yand104]

8:03 You are now looking at Spongebob's eyes

[@gudmunduringigudmundsson9287]

It's not grim. It's beautiful. 💫

[@mahxylim7983]

Thanks for your free KNOWLEDGE!!! You deserve more views and suscribers~!

[@nerd8342]

cold open lol btw the new intro looks sick dude

[@ScienceAsylum]

Thanks!

[@nerd8342]

@@ScienceAsylumthanks for the heart nick

[@JesseGilbride]

I can't believe this channel hasn't already hit 1M subs ... soon ...

[@dylan-5287]

Just crazy to think about all these insane things happening in the long-term. Here I am just enjoying mountain biking on the current earth. All I can say is good luck to future "humans"! You're gonna need it lol.

[@jameelarosetafoya2058]

Oh s**t Spaceballs, there goes the planet.

[@75IFFY]

Amazing clone acting today! Fabulous!

[@jesmaljalal]

Hello nick! Cheers from India!

[@jonathanhensley2079]

I was unaware that the red giant phase happens twice. Thanks. I really enjoy learning about space :) have a good day.

[@Cat_in_Spacetime]

What are the chances of impact from other celestial bodies in the same time frame? To destroy the Earth

[@Cat_in_Spacetime]

Asteroid impact

[@ScienceAsylum]

There are no asteroids big enough that could destroy the entire Earth. There are plenty that could end all life, but the Earth will still be intact.

[@JosephWilliamPelobello]

Finally someone who clarifies the three red giant phases: red giant branch (small red giant), horizontal branch (yellow giant), and asymptotic giant branch (large red giant).

[@tommywhite3545]

Nice. Quite a couple of things I didn't knew (less complex stuff than a quadrupole moment tensor can be interesting to 😉👍). Good idea to give an overview in the description!

[@semaj_5022]

This channel is so good

[@pushkarkaushik8992]

Another amazing informative video by Nick. Thank you, please keep it up.

[@jorgepeterbarton]

Red giant just big gobstoppers that release their flavours across the universe

[@sphakamisozondi]

2:15, The most interesting explaination of the creation of the sun. 🔥

[@FerunaLutelou]

A planet inside a star is actually a pretty cool concept.

[@thingsiplay]

6:37 "Not so fast." Me: "FAST FAST!"

[@adammarkiewicz3375]

Not that fast. "FAST FAST!" is at least comparable to the speed of light.

[@rmonico1]

Happy new year!

[@jasonremy1627]

Love the trip to astronomy land! I really like the occasional foray outside of physics. Keeps things interesting.

[@ScienceAsylum]

Just wait til you see the next video 👍

[@jasonremy1627]

Can't wait!

[@marcob8416]

I laughed so hard at the clone’s frustrated look towards the camera at 7.48

[@adamqazsedc]

Ooooh new animation for the intro! Looking good!

[@ScienceAsylum]

Thanks! I adjusted the outro to match too.

[@adamqazsedc]

@@ScienceAsylum 😊😊

[@TheoEvian]

"Some say the world will end in fire, Some say in ice. From what I’ve tasted of desire I hold with those who favor fire. But if it had to perish twice, I think I know enough of hate To say that for destruction ice Is also great And would suffice. "

[@dahiya28]

I am really going crazy that why the hell this guy isn't harvesting views I mean excluding the knowledge he does entertainment too simultaneously, you are really crazy (my type) 😂

[@annoyingroyalty3862]

They Might Be Giants reference. I love to see it

[@chuckoneill2023]

Thanks again. The timeline for the end left me with a question - how long did it take for the sun to become a star? Millions of years? or was it billions?

[@ScienceAsylum]

I'm pretty sure it took 100s of millions of years for that initial collapse to form a star.

[@teejayevans]

Hopefully when we merge with Andromeda we’ll be able to use a passing moving body to pull us into a larger orbit.

[@alphagt62]

Now that’s some positive thinking!

[@SomeonEE123]

After 1 bln years, Earth will become naturally unhabitable. But till that time we can become a type 3 civilization on the kardashev scale and control all-stars of our galaxy. Or maybe we can take over more galaxies.

[@pretentious_a_ness]

@@SomeonEE123 you can't even exit your solar system with the current human life span so you need to be somewhat immortal to do that

[@shelley-anneharrisberg7409]

Nick - you're the best!! Simply the best and clearest explanation and visualisation of our sun's formation and life cycle I've seen! Makes what we learned in astrophysics so much clearer ! :) Ps - is no one going to mention the Sandworm at 4:08? 🦦😄 And Question Clone's look of horror at 4:14 😂😂

[@trevorheileson1567]

Wtf is that thing at 4:08

[@Warlord_Megatron]

@@trevorheileson1567 a creepy creature maybe.

[@Ratciclefan]

Sandworm? I thought it was a dolphin.

[@tomnekuda3818]

Excellent info put forth in an understandable manner. Most excellent.

[@lordpredator8855]

Great explanation.

[@ScienceAsylum]

Thanks! 🤓

[@RogerTerrill]

wonderful Nick!!! thank you!!!

[@retromillenium]

You know we can preserve the Earth's oceans during that time by creating a giant space shades that filters through just enough light to keep the Earth's temperature where it pretty much is right now.

[@Mickolas21928]

Best channel on KZbin.

[@muratt4811]

Hey Nick, great one! Can you make an episode with explanation of how exotic elements are brought into existence?

[@adammarkiewicz3375]

You travel to exotic places and buy them. They're most often hand crafted by natives. Or imported from China. You're welcome!

[@sigisoltau6073]

Those heavier than Iron? In massive stars, those with a mass of 10 sun's or higher, hydrogen is fused into heavier elements. Helium first, and then carbon, oxygen, nitrogen and eventually iron. Iron marks the end of this fusion process, since it needs energy to fuse, lighter elements release energy when fused. When the mass of iron reaches a critical mass, about 1,44 times that of our sun, the star explodes as a supernova. The core collapses, forming either a neutron star or black hole while the rest of the star is blown away. The explosion produces a lot of neutrons. The heat and pressure from the explosion combined with the neutrons causes the atoms produced by the fusion process to absorb neutrons. The supernova basically goes through one last fusion process where the atoms such as carbon, oxygen l, nitrogen and others to fuse and absorb neutrons, producing elements heavier than iron. When two neutron stars collide, the merger gives the neutrons a positive or negative charge, forming protons and electrons. These combine with remaining neutrons forming some of the really heavy elements such as uranium.

[@michaelcornish2299]

Nice and very clear, I like the reactions of question clone very funny, reminds me of my students and I will be getting them to watch this.

[@Linkwii64]

The clone on the left screen is like us. Asking questions of curiosities. 😂

[@pronounjow]

Me: *reads video title* *Vsauce music plays* EDIT: Aw, the video title was changed...

[@PatricioHondagneuRoig]

_...or will it?_

[@erashade]

Finally Science Asylum is at exactly 300K follwers

[@sycamorph]

Idk, I'd say the fate of the Earth is pretty bright.

[@phi9249]

What a ray of sunshine you are lad.

[@Tabu11211]

Thanks for your upload!

[@arctic215]

Congratulations for 300 K! Let's do a Q/A session.

[@FewVidsJustComments]

The sun be like “wanna see me expand out to earth’s orbit and back? Wanna see mr do it again?” (Meme refrence)

[@sparsrus]

Just subbed. A year later and still very enjoyable... Thank you.

[@stcredzero]

ARRGH! Your "in the beginning" joke graphic perpetuates the myth that the Big Bang happened from a particular location!

[@LuisAldamiz]

It was a particular location, just not a particular location that exists anymore.

[@GraveUypo]

yeah, that particular location is called everywhere

[@stcredzero]

@@LuisAldamiz ARRGH! No, the Big Bang happened across all of space. It's a particular location that was tiny, but now spans the entire observable universe and beyond. That location certainly exists. You're in it!

[@LuisAldamiz]

@@stcredzero - A tiny space is a particular location. It's just a particular location in the distant past that expanded to all locations (that we know of, observable vs actual universe conundrum) in present time. Our space used to be a particular location, a very tiny one and extremely condensed one. Else it would not have been the hyper-nuclear oven it was. For greater clarity, in some modern interpretations of the actual extension of the whole universe (possibly infinite in both space and time), the BB happens at some locations in that infinite universe again and again. The details are of course murky, because we have no way of probing the various theories (which are nevertheless always trying to stay consistent with what we do know, they are not just fantasy worlds).

[@Mallchad]

Whats the difference between an infinitesimally small spacetime and a particular location or point. Relativity and language works in weird and wonderous ways.

[@MaryAnnNytowl]

Glad I found this older video! Thanks!

[@ScienceAsylum]

You're welcome!

[@liamcunningham3700]

Amazing content every time! I wish my teachers could make learning this interesting and comprehendible.

[@මලින්දසමරසිංහ]

Thank You very much for the wonderful explanation Sir.Wonderful Sir💖💖💖

[@nokian9005]

It's really hard to be a good teacher. You my friend are a good teacher and I'm sad that I'm not a student in one of your classes. PS- is that chapter/timestamp thing new? I like it!

[@ScienceAsylum]

The "chapters" thing has been around since May (I think). I've only just started using it.

[@devinfritchey7323]

Thank you

[@Jobobn1998]

2:40 - Celestial Clone? (alternate name: Apotheosis Clone)

[@Nsobloo]

Had to come here after actually seeing this about 6 days ago ✨🥂

[@ScienceAsylum]

A lot of people missed this one when it came out.

[@alexvilonyay8597]

As always very informative! Love your videos they are entertaining and always informative..glad you did some astronomy it's one of my fav subjects...crazy for life!

[@ScienceAsylum]

Glad you liked it! 🤓

[@danielamaya5241]

I love this guy so much

[@SaebaRyo21]

Nick! I must commend your content, its depth and your unique presentation style. Ultimately, your video always put me in a contemplative state for a long time as I always watch your new videos at noon (acc to my local time) with sippin' my coffee. I've been subscribed to you for more than 1.5 yrs and the way your content and videos have shaped and evolved my extent of knowledge and perceptions are beyond the words! The ending part ~ 9:00 of this video scares me as I visualise if it real the entire earth including most of the remains of organisms (incl we stupid hoomans) will eventually vapourise when red giant sun engulf us; if fate is with our future, evolved generations then, they will surely witness their ancestral planet's final demise!! :(

[@ScienceAsylum]

I try to be optimistic about it. A billion years is a long time. We'll probably have left by then.

[@Memory_visit]

love the explanation. alot of people got no idea how deadly sun is. and how nice it's being a to us right now.

[@archanachoure2836]

Fans noticed the new intro😋😋😋

[@MyWasteOfTime]

I always learned that a star uses up all of its Hydrogen. But I learned today that it only uses up the Hydrogen in its core!

[@ScienceAsylum]

Yep! Only the tiny red dwarfs are capable of burning through _all_ their hydrogen. (And none of those have had enough time to do that yet. Universe is too young.)

[@syiridium703]

Or we can *star lift* some material off the Sun to make sure it won't swell as much. I am fairly optimistic in that if we survive the near future, we will flourish and develop technologies that will allow us (or whatever we evolve into) to save Earth. Albeit, probably only as a monument to where the humanity came from.

[@Sohil876]

You deserve more subs than you currently have.

[@cottoncatt1186]

At the end, yep, earth will be destroyed, no doubt about it. The real questions are not "if" but "how" and "when" it will end : inside the sun, torned appart by tidal forces of the sun, during the merging of the Milky Way and Andromeda, crushed by the Big Crunch, merged in one of the few black holes that could still exist, torned appart by the expension of the Universe ?

[@matheus5230]

Ultimately, the only way to guarantee mankind's existence forever is if we reach absolute understanding and control of space, time and, above all, learning how to reverse entropy. That is the key. Honestly, we have so much time to figure this out that our own stupidity is far more likely to cause our extinction

[@watertommyz]

@@matheus5230 That's optimistic. We may learn that reversing entropy is impossible...I mean, whatever tool we'd use, we would have to make dure it can reach the entirety of the universe, inclusion of the places we'll never see. At best, we'll need to hop into a new universe, or create a new one.

[@matheus5230]

@@watertommyz Yes, reversing entropy might be impossible. You presented another interesting option