The Most Extreme Explosion in the Universe

Published 2022-11-23
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sites.google.com/view/sources-supernovadeath

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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All Comments (21)
  • @kurzgesagt
    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!
  • @jabajoba
    The amount of times humanity could have not existed because of how the galaxy works genuinely blows my mind.
  • @soniasway2841
    the fact that a few hundred light years away is enough to make the night glow is a real show of their power
  • Cory's editing has been taken to a whole new different level recently, I love it! Gotta keep the content fun and more immersive lol
  • 20 millions, it's gradually coming. You've deserved this guys, I've fallen in love with everything you propose and prepare. Thank you for bringing such an extraterrestrial content, love u
  • 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!
  • One of the best things about this YouTube 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
  • @Hatem_Sabour
    I need to say it but this is one of the few channels that deserve every follower and more because it actually gives you something useful and help you learning new things,plus the videos the animation are great and creative so thank you
  • I watched pretty much every video in this channel and the animation improvement is insane while still preserving the style, you guys r amazing
  • 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! 👍
  • I was wondering if you might consider doing a video on how different kinds of stars go through their life cycles. I know you talked about it a little in your star size comparison video, but it's really fascinating to me and I would love to see you talk about it in a bit more detail.
  • @dinhtien7117
    I'm honestly impressed by the of work you put into these videos, keep it up!
  • @veritasium
    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.
  • @je425
    These videos are both extremely terrifying yet calming.
  • @mllopaeet8669
    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
  • The fact that even some life would survive a supernova 4 light years away is extremely impressive and shows how resilient life is
  • @nxrd2793
    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 YouTube. (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 YouTube operation.

    Don't get me wrong, I enjoy YouTube and consistently watch it, but you also have to remember that some YouTube 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.
  • @rosepitzen
    Thanks Kurzgesagt for putting yet another one of my fears to rest. There are so many things we know about these days that sound almost unfathomable in their depth of potential damage. Instead of floating around in my head as another "what if?" scenario, this fear is finally able to shut up. This channel has done so much good for my anxiety, I really can't say thank you enough.
  • @dimmingstar
    Kurzgesagt, you are an absolute gift. thank you for another awesome, informative and wonderful episode <3 your time lapse videos are some of my favourites!
  • 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.