TRUE Limits Of Humanity – The Final Border We Will Never Cross
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The original Limits of Humanity: https://www.youtube.com/watch?v=ZL4yYHdDSWs
Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited pocket of the Universe and the finite stuff within it. How much universe is there for us and how far can we go?
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@kurzgesagt
March 10, 2026 at 3:46 pm
Hey Everybody! So this video is a remake and remaster of an older video that has a mistake in it. You can watch the original here: https://youtu.be/ZL4yYHdDSWs
What is the mistake? In a nutshell: In the original video we said that it was PHYSICALLY impossible to leave the local group and reach other galaxy groups. That the rest of the universe is moving away from us too fast to catch up. But that’s wrong. It is not PHYSICALLY impossible to leave the Local Group, just extremely unlikely that we’ll ever do it.
BUT: If you have a lot of time and a fast spaceship you can still get to a limited amount of galaxies – these galaxies will eventually get out of reach forever but until then, they are technically within reach. So why did we keep the video up and didn’t purge it when we deleted our addiction and refugee crisis videos?
Well, it has to do with the nature and severity of the mistake: We did talk to a few astrophysicists to ask them what they thought and if we should take down the video. Their feedback was pretty clear, they thought it was still fine as the universe expansion things explained in the video are correct and they didn’t consider the local group thing as too major. This was actually a case of “good enough”.
Also, back when this original upload happened, Kurzgesagt was operating at pretty tight margins and just redoing a video was not easy for us. Back then the team was small and we were fighting to put new videos out. So we just swallowed the bitter pill and kept the video around.
But the video still bothered us, as far as we know this was the biggest unfixed mistake on the channel. Super frustrating, especially because the core idea of the video is so fascinating. The limit of our species. The actual limit. So yeah, we finally remade the video, sorry for taking this long, life got in the way.
The original video will stay up, you can compare the two if you want to see how far we have come in a few years in terms of production quality. All in all, we could only grow the channel and work on getting better because of direct support from you guys. So thank you for that. – Philipp
PS: If you want, check out our shop for some new posters about the universe posters and black hole plushies and stuff like that: https://kgs.link/shop-142
@AarushSingam
March 10, 2026 at 3:46 pm
hi
@marilyndaquiz9714
March 10, 2026 at 3:46 pm
If you are going to make a poster about the whole universe and you just said in the video the not all stars and other stuff in space last forever and the change, how did you make an exact, true, info abt the universe and its galaxies?
-Zoey
@AlphaCetauri69
March 10, 2026 at 3:46 pm
You said even with sci-fi technology. Couldn’t we just create a worm hole to the other side of the universe?
@ehams9527
March 10, 2026 at 3:46 pm
Wow
@ФедорУсов-м9ш
March 10, 2026 at 3:46 pm
Just use some faster-than-light method of travel. Why is it even impossible, who said that?
@freakinduck
March 10, 2026 at 3:46 pm
This could definitely be done in sci-fi.
@amp1245
March 10, 2026 at 3:46 pm
I think when we die, everything will suddenly become accessible. I hope that’s the great reward— infinite access.
@michaeldaconceicao1041
March 10, 2026 at 3:46 pm
Thanks!
@VeloOfficialRV
March 10, 2026 at 3:46 pm
Meanwhile in a galaxy far far away…
@JazzzOfAllTrades
March 10, 2026 at 3:46 pm
For some reason im so sad i cant explore the whole universe knowing it wont likely happen it the next hundree years or so
@CrazyScienceStories
March 10, 2026 at 3:46 pm
This video is both terrifying and comforting at the same time!
Yes, 94% of the universe is already unreachable.
But with AI accelerating science at an exponential pace, what feels unreachable today may simply be a problem of timescale and intelligence density.
Cosmologically trapped… cognitively? Just getting started. 🚀
@MarloTheBlueberry
March 10, 2026 at 3:46 pm
We could be saved if we develop an efficient Alcubierre drive. After all, that would be technically faster than light and so the concept of a “horizon” is meaningless.
Let’s hope to that.
@jianhaoking
March 10, 2026 at 3:46 pm
i like your video and i like Philpp
@Kahawai148
March 10, 2026 at 3:46 pm
4:31 we're inside a black hole
@Maxfromohio2155
March 10, 2026 at 3:46 pm
Would it be possible to use wormholes to get to those galaxies
@BixhoStudio
March 10, 2026 at 3:46 pm
what if we go to galaxy and wait to go out of horizon?
@imagine-sg6kr
March 10, 2026 at 3:46 pm
.
@shauryakumar6413
March 10, 2026 at 3:46 pm
Wat abt string theory
@TanoshiiNiiko1117
March 10, 2026 at 3:46 pm
Once I become immortal, I'll prove this video wrong.
@אלהליפשיץ-ל1ט
March 10, 2026 at 3:46 pm
Em for thos🎉🎉🎉🎉
@flexu8699
March 10, 2026 at 3:46 pm
8:45 what if we're at a point in the universe's life cycle that we can't learn about a lot of it's mysteries too
@richardchess
March 10, 2026 at 3:46 pm
8:01 I love how this won't happen for ages but they've already named it 😂
@Tofoy-99
March 10, 2026 at 3:46 pm
❤
@swapnakulkarni-p4k
March 10, 2026 at 3:46 pm
😊SERVICE TO MAN IS SERVICE TO GOD😊
😊SELFLESS SERVICE😊
😊UNCONDITIONAL LOVE 😊
SPIRITUAL SOUL MISSION
SPIRITUAL PURPOSE
SPIRITUAL LEADERS
@jump0037
March 10, 2026 at 3:46 pm
We built the universe with ˹great˺ might, and We are certainly expanding ˹it˺. Quran
@ankaretharmer3362
March 10, 2026 at 3:46 pm
This is fascinating! Thank you Kurzgesagt for explaining things in a simple way for the layperson to understand. Other content producers are saying the same thing but I cannot understand them. It's like a cat trying to play chess. I am 78 to, it is amazing how cosmology has advanced in my lifetime. When I was about 8 years old & interested in the planets (in the 1950s). We still thought there were canals on Mars and beings there that built them.
@KeelayFight88
March 10, 2026 at 3:46 pm
What a load of hooey 💩
@Demial_Sparda
March 10, 2026 at 3:46 pm
After watching this video, it make glad that civilizations die and that humans have short life span. I would rather lose the experience to perceive life, than to watch it slip away in Heat Death.
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