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The Most Extreme Explosion in the Universe 

Kurzgesagt – In a Nutshell
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Supernovae are the most powerful explosions in the universe, unleashing enough energy to outshine galaxies. We have no real metaphor for their power - if the sun were to magically go supernova it would feel like you were being hit by the energy of a nuclear explosion, every second. For weeks.
While supernovae are the engines of creation, forging the elements that enable life, they also burn sterile whole regions of galaxies. So what would happen if one hit earth?
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Nov 22, 2022

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Kurzgesagt – In a Nutshell
Go ‘beyond the nutshell’ at brilliant.org/nutshell by diving deeper into these topics and more with 20% off an annual subscription! This video was sponsored by Brilliant. Thanks a lot for the support!
Agisa Zakariyya
Agisa Zakariyya 10 months ago
E
Dusk
Dusk 10 months ago
A
Animation City!
Animation City! 10 months ago
A
Some random ass brick
Some random ass brick 10 months ago
Keep up the great job!
Veritasium
Veritasium 10 months ago
Great video on supernovae! Amazing that we were both working on the same topic at the same time. I hope everyone knows that these videos take months of lead time for both of us so there is no way one video was inspired by the other or vice versa.
R C
R C 10 months ago
We're familiar with Zeitgeist thanks Endless notifications.. dear God what have I done
Aditya Kumawat
Aditya Kumawat 10 months ago
Ohhhhhhhhhhhhhhh, I thought the information in this video was from a previous Kurgz video, but now I remember, the video was yours. Thank you!!
Bluees
Bluees 10 months ago
eh, what a timing. well complemented 👍
Guadalupe Huambachano
Guadalupe Huambachano 10 months ago
Tu eres el maestro longaniza
GAY and BTS HATER 🏳️‍🌈‍⃠
Yu also make a vedio on this topic
Zachary Reed
Zachary Reed 9 months ago
I love how varied the content on this channel is. One day it's, "Look at this cool ant," the next it's, "Boy wouldn't it be fun if we went extinct?"
Lennox Parsec
Lennox Parsec 9 months ago
And then a deep talk about depression.
Madeleine Musgrave
Madeleine Musgrave 9 months ago
@Lennox Parsec and then the fact you have a high chance of getting a auto immune disease in your life time
Thunderfrost
Thunderfrost 9 months ago
And who could forget about that giant star that probably never existed?
Snailll
Snailll 9 months ago
and also “lol imagine if you turned very small”
Elle
Elle 7 months ago
ahahahha indeed!
CnToeSussie
CnToeSussie 9 months ago
Y'all say some of the most concerning things sometimes, yet stay perfectly calm. Props to the voiceover!
Jack
Jack 9 months ago
Your pfp scares me
CnToeSussie
CnToeSussie 9 months ago
@Jack good :)
Chris Davies
Chris Davies 9 months ago
You know you stand zero chance of being affected by a supernova - right? That was the whole point of this video. If it scares you, then you can't calculate/perceive risk correctly.
Skylar Sky, Queen of Chadutuva
Should we call your profile picture Grerby or Kirg?
CnToeSussie
CnToeSussie 8 months ago
@Skylar Sky, Queen of Chadutuva Either or is fine
The Therran Native
The Therran Native 9 months ago
I absolutely love how concepts from other videos were integrated into the vision of the future. The Dyson ring and solar engine were lovely touches.
Little Star
Little Star 2 months ago
288 likes and no reply.let me fix this
Flightless Lord
Flightless Lord 10 months ago
Honestly, it's bloody impressive that life can shrug off a supernova even as close as that. Life finds a way.
Yeetus Deletus
Yeetus Deletus 10 months ago
*they didnt shrug it off
Flightless Lord
Flightless Lord 10 months ago
@Yeetus Deletus bro animal life survived. Thats more complex life than the first 3 billion years of life on Earth. I mean as in life survived, not only survived but survived in very complex forms. Like apparently there'd still be insects, fish, crustaceans, plants, fungi, anything else deep in water or soil. Very complex organisms. Not just single celled organisms. It is impressive how much life (even complex life) can shrug off without dying out entirely.
Andres Cavada
Andres Cavada 10 months ago
Of course the beginning of the universe is a theory, and not a scientific fact, that was failed to be mentioned here.
Flightless Lord
Flightless Lord 10 months ago
@Andres Cavada how's that relevant at all to what I said, if ur referring to wether the big bang happened or not, maths doesn't lie.
Samantha Gordon
Samantha Gordon 10 months ago
@Andres Cavada almost everything is a "theory" there are no "scientific facts"
K John
K John 10 months ago
Imaging humanity a 10 million years from now (if we survive) is just mind blowing. If we make it that far, we will probably be all over the known universe and be present in millions of planets.
María Sofía Luengas Salazar
I really hope we can at least get somewhere before the universe eventually dies, it will take so many years of course. Yet, its not as far as we think it is. At least, I hope we leave our mark before we all go into our restfull sleep.
Oshroth
Oshroth 9 months ago
Even if we can invent FTL tech, we will only ever be able to visit a tiny, tiny part of the universe as (covered in another Kurzgesagt video: "TRUE Limits Of Humanity - The Final Border We Will Never Cross") everything outside our local group is expanding away from us faster than or fast as the speed of light. As mentioned in the above video, 94% of the known universe is already gone beyond the veil
Anonymous
Anonymous 9 months ago
@Oshroth Didn't that video contain an inaccuracy?
Avinash Reji
Avinash Reji 9 months ago
@Anonymous that was the original video
JabaJoba
JabaJoba 10 months ago
The amount of times humanity could have not existed because of how the galaxy works genuinely blows my mind.
F Ismail
F Ismail 10 months ago
And how many times Humanity should of end shows how capable we are as well how we are fragile and could end quickly The universe is a great and cruel world
Curiosity
Curiosity 10 months ago
@F Ismail I don't know how it shows how capable we are
F Ismail
F Ismail 10 months ago
@Curiosity the ice age and the last human episode and super volcano I was talking about
higors
higors 10 months ago
@F Ismail ''cruel'' is a human made conception. The universe is just the universe.
AVoCado97
AVoCado97 10 months ago
This channel is one of the best things that has happened to humanity since the emergence of the internet.
erik david hauser
erik david hauser 7 months ago
search "How Kurzgesagt Cooks Propaganda For Billionaires"
Magma Hugs
Magma Hugs 7 months ago
@erik david hauser man what
Scott Matheson
Scott Matheson 2 months ago
​@erik david hauser "translate to English"
MOLLY L
MOLLY L 10 months ago
The reveal of the two headed snake while talking about how radiation from cosmic rays would increase cancer and mutation rates to a noticeable level gave me goosebumps. So good.
Andres Cavada
Andres Cavada 10 months ago
Of course the beginning of the universe is a theory, and not a scientific fact, that was failed to be mentioned here.
tomura shigaraki
tomura shigaraki 7 months ago
​@Andres Cavada that isn't even relevant to the video
krio1267
krio1267 2 months ago
the hydra is real
Ronak Nikam
Ronak Nikam 10 months ago
Our position in the universe like we are not close to anything dangerous and the perfect condition for life to exist just blows my mind
Edd
Edd 10 months ago
That's probably the entire reason why we're here at all to talk about it
Hà Thuận
Hà Thuận 10 months ago
Cause we are just living in the "period" between two mass extinctions.
Paul Michael Freedman
Paul Michael Freedman 10 months ago
@Edd Exactly right. Funny how humans tend to apply reverse logic to suit their needs. While, in fact, we have been just plain lucky up till now.
The Harbo
The Harbo 10 months ago
It's called the Anthropic principle: If we weren't in this sweet spot, we wouldn't be around to talk about it.
Bean Boiz
Bean Boiz 9 months ago
We got a lucky spawn
Azara
Azara 10 months ago
you guys make me wanna live, and maybe change the world for the better
nebula
nebula 9 months ago
no ikr?? like i dont usually feel this way and interestingly enough, they do it while telling us very alarming things
Thanks Yutbeisacn7fu6r
Best of luck. Is hard
Andrew Williams
Andrew Williams 5 months ago
The best you can do to make the world better is to live your own life as well as you can, contribute to your community where you can, and not blindly follow others when it's the wrong thing to do, even if it's the popular thing to do. You don't have to be a superhero, just do the best you can realistically do. When people try to take on too much or set their goals too high for the world, they often end up doing nothing, nothing that makes a difference, or just complain and get angry or depressed.
Scott Matheson
Scott Matheson 2 months ago
be careful not to choke on your aspirations.
ED-209
ED-209 9 months ago
You guys are making science and space and other topics look very interesting to learn and very fun!
Joe Burnover
Joe Burnover 10 months ago
The fact that even some life would survive a supernova 4 light years away is extremely impressive and shows how resilient life is
Killkor
Killkor 10 months ago
It's probably going to be cockroaches.
vkobe vkob
vkobe vkob 10 months ago
well if earth turn into venus life will not survive long
Killkor
Killkor 10 months ago
@GeneGear Tardigrades: chilling False vacuum: *h e l l o t h e r e* Tardigrades: still there False vacuum: _wait what in the f_
GeneGear
GeneGear 10 months ago
@Killkor there is a difference between hitting "delete" and the "power" button
PBJellyBoi
PBJellyBoi 10 months ago
What I really love about this channel is that when it discusses topics that could destroy earth, they assure the viewers that what they’ve talked about is extremely unlikely to happen, which probably helps calm down the kids that are scared to death.
Andres Cavada
Andres Cavada 10 months ago
Of course the beginning of the universe is a theory, and not a scientific fact, that was failed to be mentioned here.
Procyon Nite
Procyon Nite 10 months ago
@Andres CavadaWhat does that have to do with the topic?
MacGlencoe
MacGlencoe 10 months ago
@Andres Cavada what made you feel the need to bring that up
Foff Jerkholes
Foff Jerkholes 7 months ago
@Andres Cavada You misunderstand. In every day English speaking, a theory is what you just mentioned. However, that is not what the actual meaning of the word "Theory" is science means. Scientific Theory, must be tested with evidence through experimentation, and is repeatable. This allows you to make predictions with your Theory. If your Theory on a particular aspect of nature you are trying to understand matches the predictions that you now find and observe, and this is also repeatable, you have now a fact about nature. Germ Theory is "just and opinion" in your mind, however, most educated children understand that is germs, bacteria and viruses etc, make a person sick; say with a Cold or the Flu. Germ Theory is highly verified, so it shows you and everyone else that the theory's predictions are true. YOU MUST UNDERSTAND, THEORIES IN SCIENCE ARE USEFUL TO SOCIETY AND INDIVIDUALS BECAUSE THE WHOLE POINT OF SCIENCE IS TO MAKE ACCURATE PREDICTIONS. You sir, definitely want to know what will happen in your life if you make decision A and the turn out will be out come B. Everyone wants this as it increases your ability to be successful in life, mate, have children, earn a living, find food etc. Science is what has made your life possible, because of its "Theories" power to make SHARP PREDICTIONS. It allows engineers to understand loads that steel can handle and what is needed to make certain octanes of gasoline for your car to drive. If you didn't have science, you would not be driving a car, looking at your screen, have plumbing, use electricity; you know, live your entire life. Our ancestors in hunter gather tribes did not have a name for SCIENCE, yet, but they still used basic "Theories", just without realizing it. They knew if they picked up a rock, then let it go, it would fall to the ground, that if they fashioned a lighter rock, with a heavier rock, to make that lighter rock have a razor edge in which to hunt and pierce the flesh of prey to eat meat, it would work. That is scientific theory in action. The "Big Bang" Theory I'm assuming your mentioning, is highly testable, repeatable and has made sharp predictions that all came to be. You are wrong in understanding the Big Bang Theory, has the Theory doesn't try to say what banged, just 10 to the minus 35 seconds after and forward to today, after the bang. Now, what the actual Bang was, there are many hypothesis out there, and a hypothesis is really what you are meaning to say. There are many models for what the bang actually was, we just need an experiment that is repeatable and observable to become a Theory. Those are currently being worked on as we speak. If you wish to add to humanities knowledge of this endeavor, you should go back to school and take as many math courses as possible, work your way to a PHD in Physics, Astrophysics, Particle Physics, Astronomy or Cosmology to name a few degrees. Work on your Post Doc. Decide whether to be a Theorist or Experimentalist, and begin you discovery process. Yes, you Andres Cavada can if you try hard enough, discover the bang! Wouldn't that be great! You would certainly become a Nobel Prize winner, have your name popularized amongst the educated and rightly stay humble and wallow in the sweet bliss that you have unlocked a higher understanding for mankind and all of eternity for that matter.
caitolent
caitolent 6 months ago
I'm glad someone pointed this out. This channel is overall very responsible about making sure that they don't cause unnecessary panic.
mllop aeet
mllop aeet 10 months ago
i love how much quality and effort goes into the editing, sponsorships, etc. Plus Jimmy is such a nice guy it makes everything so much better
L Sedge
L Sedge 10 months ago
I love the subtle change in music as the video goes on. Also, I love how you're well aware of the existential dread you can impart on others, but how you can use science to dissuade that dread too.
Linus Ekström
Linus Ekström Month ago
This is such a great channel. I often forget the channel exists between uploads, and then I'm so happy to remember it that I just binge a bunch of old videos.
Minesh Nissanka
Minesh Nissanka 10 months ago
One of the best things about this RU-vid channel is that it gives science backed information which isn't normally accessible, breaks it down to a level where almost anyone can understand, constantly updates us with new research, and gives it to the public for free. Thank you for what you do, Kurzgesagt
E
E 10 months ago
E‎‎
Marlon Moncrieffe
Marlon Moncrieffe 10 months ago
SciShow has been doing this for years too though.
Daniel Duncan
Daniel Duncan 10 months ago
"One of the best things about this RU-vid channel is that it gives science backed information" - quoted from you. I would argue that is the most dangerous part of this channel. One mistake and it could become law, by accident, with no possible way of going back.
Pap
Pap 10 months ago
@Daniel Duncan That's why they have a lot of different sources and they work with scientists and experts
Lorando the One
Lorando the One 10 months ago
Ikr, I can name atleast 20 channels that give you good scientific information!
The Wings Of Fried-om
I like the visuals depicting the different stages, so I’m timestamping them. Stage 1: Thousands of Light-Years Away 1:44 Stage 2: 300 Light-Years Away 2:04 Stage 3: 150 Light-Years Away 3:04 Stage 4: 100 Light-Years Away 4:26 Stage 5: 25 Light-Years Away 7:09 Final Stage: 4 Light-Years Away 7:55
FLXtv
FLXtv 10 months ago
Just throwing this out there but I'd love to see a series on Quantum computing and especially Time Crystals. Very intriguing
Tyler Peterson
Tyler Peterson 10 months ago
I'm surprised by the amount of damage a supernova could do to underwater life. I expected the water to shield all of the radiation, with rising temperatures being the only concern.
Praevasc
Praevasc 10 months ago
A supernova is so powerful that even the neutrinos which hardly ever interact with matter, would cook you from such a distance. Look up the xkcd article about it.
Zach
Zach Month ago
It does shield you once you have enough of it. Like once you’re deep enough you wouldn’t even notice
Aurorafae
Aurorafae 10 months ago
Kurzgesagt, you are an absolute gift. thank you for another awesome, informative and wonderful episode
Neuwey331
Neuwey331 24 days ago
The fact such explosions can still affect Earth at such immense distances really boggles my mind on how powerful supernovas are.
John Chessant
John Chessant 10 months ago
What's really fascinating is the fact that we found a layer of increased levels of radioactive iron in the archaeological record and we were able to eliminate any other possibility besides a supernova from 300 light years away.
unknow11712
unknow11712 10 months ago
well... there are alternatives ... but you don't want to think that a civilization advanced to the nuclear age and then killed itself. or a space civilization bombed this world for some unknow reason .
Soken50
Soken50 10 months ago
@unknow11712 Wrong, I want to, but it wouldn't be very reasonable without further evidence :x
Daily kitten cuteness!
The only other possibility that was eliminated was a solar storm, based on the solar maximums, but it’s still possible that the sun did it, just extremely unlikely. Also other solar storms that we know of haven’t caused this effect, which means if a solar storm did do it, it was unbelievably massive.
Sune Rasmussen
Sune Rasmussen 10 months ago
The reason they could figure that out is the particular _kind_ of radioactive iron that was found - iron-60. It's only produced by supernovae, and yet it's never found on Earth in mines and the like, as with its "mere" 2.6 mil years half-life, all of it would have decayed away (to cobalt-60) since the formation of the planet.
abbsnn cose
abbsnn cose 10 months ago
I watched pretty much every video in this channel and the animation improvement is insane while still preserving the style, you guys r amazing
Bag of ALL Trades
Bag of ALL Trades 10 months ago
Sounds like a great idea for a game. Instead of nukes in Fallout, it could be a supernova in "Nova".
Yeetus Deletus
Yeetus Deletus 10 months ago
dude supernova's is just doomguy on a galactic scale
Mike Oxmall
Mike Oxmall 4 months ago
​@Yeetus Deletus more like Duke Nukem because it nukes it's region of the galaxy
orpheala
orpheala 9 months ago
I had no idea that the mass exctinctions in the past may have been tied to the supernovae. Very interesting and wonderfully presented as always.
J.B. Dazen
J.B. Dazen 10 months ago
It's incredible that basically everything that has happened HAD to happen to make human civilization exist.
Xiaojian Sun
Xiaojian Sun 7 months ago
You did an awesome job! I appreciate the hard work but there was a little mistake the moons shadow was not realistic other than that, A+!
Bionic
Bionic 10 months ago
if a supernova hits earth, i'd simply just intervene
Walker-91
Walker-91 10 months ago
It’s Bionic!
EJC Leopard
EJC Leopard 10 months ago
Doni is gonna make a supernova on the server
HomoErectus111
HomoErectus111 10 months ago
Bro thinks he’s Kevin
Jared
Jared 10 months ago
hi bionic chan
Sumi E. Eweits
Sumi E. Eweits 10 months ago
I bet you're gonna make a "Minecraft but it's supernova" Modded letsplay at some point too considering the large volume of content you put out.
Lysandros Bafaloukos
For anyone who wants to dwelve deeper, the mechanism that accelerates particles inside the travelling supernova remnant is called (1st and 2nd order) Fermi acceleration!
JunkMail
JunkMail 7 months ago
It’s a bit morbid, but the fact that any life can survive and recover from a super nova 4 light years away is inspiring in a weird way.
Lancedark
Lancedark 9 months ago
This video has the best explanation for the supernovae 😊 Thank you guys! Always looking forward for more learnings through your videos. 🤗
Taylor Falk
Taylor Falk 9 months ago
I think the single most important thing we can do to progress as a civilization would be to find a way to protect our bodies from radiation damage at a cellular level
#1Madara stan
#1Madara stan 10 months ago
Does anyone else feel this is a new era of videos? Some feeling in me feels these are way more knowledge filled, either that or ive been binging old vids lately lol
Andres Cavada
Andres Cavada 10 months ago
Of course the beginning of the universe is a theory, and not a scientific fact, that was failed to be mentioned here.
James Klebenow
James Klebenow 9 months ago
6:10 Wouldn’t the increased thunderstorms help regenerate the ozone layer? I read somewhere that lightning creates a significant amount of ozone. Unless I’m mistaken.
Anonymous
Anonymous 9 months ago
This needs to be pinned!
Anonymous
Anonymous 9 months ago
@thehochmaster2 Will animals that can use nitrous oxide evolve? A mass extinction event was caused by oxygen in the atmosphere, and now, we need oxygen!
thehochmaster2
thehochmaster2 9 months ago
@Anonymous maybe, but I think it's unlikely very many exist. Back then, oxygen-consuming life existed. It just couldn't proliferate until algae changed the earth's atmosphere. First we need to find a N2O consuming creature. That's hard too; that N-N molecular bond is strong as hell. Not a lot will convince 2 nitrogen atoms to split. NO2, that's a different story.
Anonymous
Anonymous 9 months ago
@thehochmaster2 Why would it need to break it apart? I don't think we break up O2 into two oxygen atoms as humans can't actually use oxygen of that form (where they're individual atoms, not bound up)
B Mouch
B Mouch 10 months ago
I'm in love with the fact that they've been ending their recent videos on a relatively happy note to combat the existential dread they usually inspire.
Zeigy
Zeigy 10 months ago
Watch the one about...
MarcosElMalo2
MarcosElMalo2 10 months ago
I’m a bit unhappy that we will have to move out of the way just because a star goes supernova. We need to build a Dyson Sphere.
Kinty
Kinty 10 months ago
@MarcosElMalo2 and to do that, we'll probably need space tethers!
MarcosElMalo2
MarcosElMalo2 10 months ago
@Imaginary Lines Drawn in Metaphorical Sand That’s not the point. The point is that supernovae can’t tell me what to do.
A.M Sky
A.M Sky 10 months ago
I think it's amaing how even at 4 light years away, some life still survives. It's pretty empowering actually.
Pulsar
Pulsar 10 months ago
Can we just have a moment to appreciate whoever put the effort into the animation...? Like holy crap
r r
r r 10 months ago
Hello, I love the videos you do on space, it would be great if one of your next videos talked about the aquaponics system and its use in space missions. 😄
Tobias Smith
Tobias Smith 10 months ago
I love this video, it really encapsulates how dangerous these are to life, and literally everything near it.
Elias Khawaja
Elias Khawaja Month ago
While it’s great that we don’t have to worry about a nearby supernova affecting earth for a long time, I just can’t help but wonder how many other potential alien civilizations aren’t as lucky.
fxra
fxra 10 months ago
These videos are TV quality, yet you produce these and offer them to us for free -- not on one channel, but on multiple channels, most of which required translations -- all for free. I respect you. You guys are one of the channels that make RU-vid. (DISCLAIMER BELOW, because there's a lot of debate in the replies.) A lot of people have taken "TV quality", to mean bad. However, I want to make it clear that I didn't mean the comment as an insult, but as a compliment. It is also important to note that I did mean streaming services, such as Netflix, not cable. Though I spend virtually no time watching either, this comment meant more so that this is quality content, that I could see becoming official rather than a RU-vid operation. Don't get me wrong, I enjoy RU-vid and consistently watch it, but you also have to remember that some RU-vid channels (such as this one) are more... polished, than others, especially considering that this is the same platform that has the family vloggers, and "DON'T CALL AT 3 AM!!! 😲😲" videos.
centralkaufci
centralkaufci 10 months ago
RUN FOR YOUR LIFE
Emil Firdaus
Emil Firdaus 10 months ago
@centralkaufci why ?
Steamrick
Steamrick 10 months ago
This video was uploaded to the German Kurzgesagt channel yesterday sporting the funk label. Funk is part of the content netzwork of ARD and ZDF, which are two German public television channels. German public broadcasting is funded by the 'Rundfunkbeitrag', which is a tax that's legally not actually a tax but binding all the same. In short, Kurzgesagt videos are partly funded by German public television.
Anustubh Mishra
Anustubh Mishra 10 months ago
@Steamrick damn that's cool i didn't know that. its good to know that the german government is actually doing useful with tax money instead of wasting it in useless ways lol
Steamrick
Steamrick 10 months ago
@Anustubh Mishra It's not actually tax money, it's citizens' money taken in by a private organization for public use. Despite that, it's not optional and people have gone to prison for refusing to pay. It's... a rather controversial topic. That said, Kurzgesagt is one of the best uses the money could be seeing.
BenjaMint
BenjaMint 10 months ago
I've never really looked into how destructive sopernovae would be. Very fun video! Thank you for the knowledge!
Steven Neiman
Steven Neiman 10 months ago
This was definitely interesting. I hadn't realized how much still goes on in a supernova after the bright flash has faded, so I was figuring that anything far enough not to substantially heat up the planet directly wouldn't do much damage.
MrKHafid
MrKHafid 10 months ago
Love your stuff! I ordered a hoodie and other items from your site, can’t wait to get them tomorrow. If I may ask, would you do a video of what would happen if an asteroid the size of the one that ended the dinosaurs (or even the one featured in the movie “Armageddon”) was to hit the moon? It would be interesting to see what it would do to the earth if anything at all.
Melanie Scott
Melanie Scott 10 months ago
One of the best things about this RU-vid channel is that it gives science backed information
Andrés Pérez Camarasa
Great video as always, love the animation of the stars. And the music going harder while going closer is a brilliant detail. It slaps!
TimeBucks
TimeBucks 10 months ago
You guys are absolutely phenomenal
Vasile Marian Giarap
Vasile Marian Giarap 10 months ago
Interesant placut
Some Austrian Painter
Some Austrian Painter 10 months ago
@Vasile Marian Giarap Is that Romanian?
Life In Kullu
Life In Kullu 10 months ago
Thumbs up
Guadalupe Huambachano
Guadalupe Huambachano 10 months ago
Eres maestro longaniza del profesor Jirafales
Amr elsebai
Amr elsebai 10 months ago
Wow
mintydog06
mintydog06 10 months ago
Another great video, and it didn't leave me with a feeling of existential dread, unlike all other videos haha. The animations are always brilliant, I could watch the birds do stupid things all day long.
Akam J. Mustafa
Akam J. Mustafa 8 months ago
Dear administrators, well done 👏 a truly marvellous video. Back then, this channel inspired me to learn more about astronomy and cosmology . I still learn from your videos and teach my students to watch the channel.
radar
radar 5 months ago
This video just taught me how difficult it would be to wipe out life from Earth entirely. Life truly does find a way.
Spartan Jega
Spartan Jega 2 months ago
The crazy part is that we wouldn't even know if a "nearby" Super Nova occurs, we wouldn't even know for multiple years at least.
Some Cool Music
Some Cool Music 8 months ago
Somehow this guy can talk about my science class topics that I don’t care about and still make it hellla interesting
Hugo
Hugo 10 months ago
I’ve been watching this channel since I was 16 and I’m 21 now yet you guys have never disappointed with the animation. Keep up the good work guys! 👍
E
E 10 months ago
E‎
Anshu Nayyar
Anshu Nayyar 10 months ago
Now that I think of it, I'm also watching since I was 16 and I'm 21 now.
TheGrace020
TheGrace020 10 months ago
Same but since i was 14 now im 22 💪😎👍
Bobzilla_Returns
Bobzilla_Returns 10 months ago
I am currently 16 and hopefully I will still be watching when I’m 21
aaronyc2011
aaronyc2011 10 months ago
Wow you make me feel young
Asutosh sahu
Asutosh sahu 9 months ago
This shows how futile yet fascinating human life is. Brilliant stuff.
Alex Keepers
Alex Keepers 10 months ago
I love how humanity can survive a supernova up to 60LY away.
Da man
Da man 9 months ago
I love these videos I want to learn MORE about our universe and I wonder if any species would be able to travel the multiverse
Hugh Seagraves
Hugh Seagraves 9 months ago
Fascinated by the idea that some supernovas wouldn't harm earth much but would make space travel impossible for thousands of years.
MikelosM
MikelosM 9 months ago
Only based on current technologies (largely relating to radiation shielding). Since light from a supernova travels at 10x the speed of the radiation, we'd likely have many centuries after detecting the supernova to prepare. At 100 light-years, for instance, it'd be another 900 years after detecting the supernova before the radiation actually reached our solar system. That's a *long* time for technology to advance and preparations to be made.
Lynxou
Lynxou 7 months ago
The fact that life still manages to hang on through a super nova 4 lightyears away is incredible.
Dragon
Dragon 10 months ago
People don’t appreciate just how beautiful some of the art in these videos is. The style works so well with space themed videos.
tje
tje 10 months ago
Exactly
Abner
Abner 10 months ago
I love that it is consistent, it became Kurzgesagt's signature
Vice.Nor.Virtue
Vice.Nor.Virtue 10 months ago
The magnetosphere from the supernova was sick fam!
Nano Woo
Nano Woo 10 months ago
Not some. ALL the art.
Deutsch mit Purple
Deutsch mit Purple 10 months ago
True, I really love all Kurzgesagt videos
Matt
Matt 10 months ago
Great video. It touches on a topic I'm interested in. The current system of economics is barely surviving a global pandemic and international war. It's unlikely it would survive such an event as a supernova. Have you done any videos on a better solution for global economics that helps humanity exist without the disruption?
cat -.-
cat -.- 10 months ago
Pretty amazing that we can tell how many supernova capable stars are there and where they are
Retektor
Retektor 9 months ago
This animation is amazing!! Beautiful work of art, the quality of postprocessing, effects and other things looks very-very cool!
roi
roi 9 months ago
"Taxes here I come"
Alastair Hewitt
Alastair Hewitt 10 months ago
Could you please do a video about what would happen if Venus & Mars swapped atmospheres or locations (assuming the change in gravitational forces in the solar system doesn't completely screw up Earth)? Would it make the planets less or more hospitable for human colonisation / terraforming? Would Mars become hot enough for their frozen lakes to melt, yet cool enough to keep them from evaporating? What would be the consequences of swapping positions vs simply swapping atmospheres? Would the surface of Venus become a place we could travel to? This is something I am very curious about.
Randolph Hanson
Randolph Hanson 9 months ago
Another amazing video! This channel really has some quality content on it. I always come back to watch whatever the new video is :)
taxfraud
taxfraud 10 months ago
Honest to god Kursgesagt is one of the greatest educating channels out there. With the quick release time of videos and the stellar visuals, it is probably the /best/ of them. Kudos to the Kursgesagt team who give us all the high quality work!
Jayaleearts
Jayaleearts 10 months ago
Imagine watching this on PBS Kids back then instant classic, if not already.
Dino
Dino 10 months ago
who asked?
Ron
Ron 10 months ago
@Dino I asked
Jorge Canahuati
Jorge Canahuati 10 months ago
Capital G on the God
Quester
Quester 10 months ago
I bought kurzgesagt "Universe in a nutshell" mobile app, just to support the channel in my little way. Also coz I figured it would be damn *good* Boy it is! The visuals are impeccable, and the descriptions of each entity, are funny and thus memorable. What's most remarkable is how they scaled everything relative to each other from the smallest strings to supermassive blackholes. It does feels like the entire universe is in your pocket "correctly". Or like a book about our universe, but literally the best one out there. They're undercharging as far as I'm concerned for the app. I'll make the same comment in other videos of the channel. Why? To promote their app because I don't see anyone talking about it. It's that good. More so, I want my fellow humans to be educated. Other day I found out that my 34 years old friend didn't know that we're living in milky way and there are other galaxies around us. UNBELIEVABLE. He must've been living under a rock bigger than Sagittarius A (The black hole in milky way galaxy). So yeah, go buy their app.
Eric Malette
Eric Malette 10 months ago
The fact you guys and Veritasium released a video on the same topic within a week of each other is pretty wild!
Saanail
Saanail 7 months ago
I don't know why, but there's something peaceful in knowing that it's highly likely that all life is eventually wiped out and has to start over. It's like life is just around to observe a tiny sliver of space-time - to find awe in the universe and self existence.
Abhishek S.
Abhishek S. 10 months ago
The best part about Kurzgesagt, apart of course from the beautiful scientific videos, is that they always include music from their previous videos to cite references. For example, at 9:17, they subtly added the OST from their video on stellar engine made 2 years ago where they talked about how to move the solar system out of harm's way.
Trans Rights Werewolf
It's reassuring that after listing all of the horrible things that could happen if a supernova were close enough to hurt us, you then point out that no, there are no stars likely to go supernova that are close enough to hurt us.
ScoringBox
ScoringBox 10 months ago
This makes me wonder how many solar systems this actually happens to every time there is a supernova.
Wolfe Wright
Wolfe Wright 10 months ago
between one, and four. Space is big. In the core, the number is higher, but it's still under a hundred.
AuroraOurania
AuroraOurania 10 months ago
@Wolfe Wright And due to how short the lives stars big enough to generate type 2 supernovae are, a large portion of those happen near their sibling solar systems from the same nebula, meaning they're not all that much older, and thus haven't had time for life to develop in the first place.
WinnPro
WinnPro 10 months ago
I watch these videos and scared, especially since our ozone layer has gotten weaker since humans began polluting the atmosphere with toxic chemicals. Or the fact these these random events can happen at any moment and could just wipe out our planet…. or galaxy.
Myname'sbigMyname'sbigMynameisbigMyname'sbigI'mBIG
@WinnPro Technically our ozone layer is getting so much "stronger" with the pollution that it traps "heat" enough to become it's own power core. Anyway if that's what you're primarily afraid of then your life must be peaceful because random events like these have so little probability of happening in our lifetime and even less to actually impact us that it's actually the least dangerous thing that can exist for us out there. Of course it's different if we look at it in a civilization of species scale as it will for sure happen one day but that's a problem for my grandson's grandson's grandson's grandson's...
WinnPro
WinnPro 10 months ago
@Myname'sbigMyname'sbigMynameisbigMyname'sbigI'mBIG true. Well at first it was a black hole as something I was worried about. But yeah that problem might not happen for another dozen generations or so.
Chris Davies
Chris Davies 9 months ago
I was under the impression a nearby supernova would simply blow the atmosphere from earth, leaving something like Mars, with 1mb of surface pressure - practically a vacuum.
Zennir
Zennir 10 months ago
The amount of times we could just not exist because of the "Laws of the Universe" is too crazy to be true..
Sir Thaddeus
Sir Thaddeus Month ago
Really taking "the sun is a deadly laser" to new extremes
Let's Talk Tech
Let's Talk Tech 7 months ago
The animation is just amazing! I love this channel so much!
David West
David West 8 months ago
Vibing to the music in this, never been so nice to get hit by a supernova. Surprised to learn there’s no games or books about surviving a near supernova.
audiofender
audiofender 10 months ago
I first discovered Kurzgesagt back in 2015 with their videos on nuclear energy. I remember thinking at the time, "Wow, this channel makes some great content. I hope they end up growing and getting more attention." Seven years later, my wish has most certainly been fulfilled. For years I've evangelized this channel to my friends and coworkers as the gold standard of educational content, and I still get giddy when a new video comes out. I've purchased dozens of calendars, posters, and journals, and I will happily continue to support this amazing channel. Cheers, Kurzgesagt!
Joseph Carrino
Joseph Carrino 10 months ago
I would be SOOOoooo happy if a supernova blew us up
Decisionz
Decisionz 10 months ago
@Joseph Carrino man im de-
My Front Yard Visitor
My Front Yard Visitor 10 months ago
@Joseph Carrino dude i got a burn right after reading this
8-Bit Gamer
8-Bit Gamer 10 months ago
I discovered this channel when my teacher gave a video from this channel for an assignment in 2020 and I've been watching Kurzgesagt ever since.
Brian Miller
Brian Miller 10 months ago
They're almost at 20 million subs. Great Job K-Team!!
KnightlyLyrix
KnightlyLyrix Month ago
this guy knows a lot about science I like it and I'm also wondering how he edited this video too
Unspoken
Unspoken 7 months ago
What would happen if a galaxy were to go supernova all at once? I know it’s impossible that’d happen but still very curious.
slushie
slushie 9 months ago
You have made me love science not gonna lie, now I have been writing about space science and working harder in science in school, great video 👍
J M
J M 10 months ago
would be good to see a video about gamma ray bursts. They would have similar effects on Earth but are even more unlikely than supernovae
María Sofía Luengas Salazar
Its impressive how life can re-start itself all over again, and man, its so interesting how a supernova can afect a planet. In the end, I hope that before the unvierse dies and we all rest, it doesn't happen, so that we can at least make some disoveries and then part from this universe leaving our mark.
Jane Carter
Jane Carter 10 months ago
The thing about these videos is they're entertaining, educational, and sometimes tugs at your emotions. Kurzgesagt really is one of the kind.
J J
J J 10 months ago
My favorite explanation of the power of supernovae while trying to relate it to our poor caveman brains on an intuitive level goes, roughly: "However strong you think they are, they're stronger. No, even stronger."
Generlc
Generlc 10 months ago
Now, what's worse? A supernova from 25 light-years away? Or all nukes that could ever be created, detonated all at once?
Gibson
Gibson 9 months ago
It makes me happy that even if it happens 4 light years away life will still go on
shani yan
shani yan 10 months ago
significantly more friendly and focused on being social. Hope you guys continue to bring fun to this server!
Silenthunter199
Silenthunter199 9 months ago
Maybe this is a simple explanation for Fermi Paradox. But still, counting on the amount of stars and galaxies I just cant believe there is not more life out here in the Universe.
Мистер Огонёчек
the fact that a few hundred light years away is enough to make the night glow is a real show of their power
Border Hopper
Border Hopper 10 months ago
Very bright but, ohio has been through worst
tam thuong
tam thuong 10 months ago
ok
Jona7Fer
Jona7Fer 10 months ago
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Sam brads
Sam brads 10 months ago
@Jona7Fer jesus sounds like some bloke
SuperHellolaura
SuperHellolaura 10 months ago
@Sam brads That “bloke” sacrificed His life to save yours. Do you not see the battle between Good & Evil going on before your very eyes?
ShlomoTv
ShlomoTv 7 months ago
The way you just move a solar system out the way is too cool
Silent Dream
Silent Dream 10 months ago
This makes me curious, if several supernovae exploded at the same time, would their light combine and be visible?
Deus ex vesania
Deus ex vesania 6 months ago
Learned something and got a new reason to be unreasonably anxious. I *[QUACK]* love this channel.
Val
Val 10 months ago
This video helped me understand life being created or extinct. Thank you❤️
Timberr
Timberr 10 months ago
I’ve always thought of a supernova hitting the earth, and this video explains it so incredibly well! Such an interesting concept.
centralkaufci
centralkaufci 10 months ago
RUN FOR YOUR LIFE
Multiarray
Multiarray 10 months ago
interesting concept...everyone dies
ACE
ACE 10 months ago
centralkaufci Where?
Semen Ivanoff
Semen Ivanoff 10 months ago
Technically it is not hitting the Earth...
saxoman1
saxoman1 10 months ago
Very interesting! And completely mind-boggling and totally terrifying that these things exist out there in the deep dark of space 😨
Nathan Wilson
Nathan Wilson 10 months ago
Another excellent and very interesting video! Thank you for describing just what chain reactions the supernovae would cause. God be with you out there, everybody. ✝️ :)
avicohen2k
avicohen2k 10 months ago
Animation always get its proper compliments but the music department also deserve a good word regarding the awesome dramatic techno loop. Cheers 👍
Danny
Danny 9 months ago
But there is one problem you'll never know if it's a supernova or just some other star blowing up because of it crushing it on itself.