End of Space – Creating a Prison for Humanity
End of Space – Creating a Prison for Humanity on HackerTube: recommended by 5 Hacker News commenters across 5 separate months, 2018–2026.
Kurzgesagt explains how accumulating space junk could trigger a collision cascade (Kessler syndrome) that makes launches too dangerous and traps humanity on Earth.
What HN commenters said
11 Hacker News comments link this video. Each one links back to its thread.
bicepjaiJan 2026Recommends
Already it’s getting hard to avoid noticing satellite trains when stargazing with the naked eye. If mega-constellations really scale into the hundreds of thousands, it feels like we’re on track to permanently degrade the night sky, even in places without much light pollution. With mega-constellation launches accelerating, the sci‑fi premise of imprisoning ourselves behind a debris field feels less fictional. This is essentially the collision-cascade risk described by Kessler Syndrome Kurzgesagt has a good explainer. Hopefully we never trigger it. ▶ this video
in “China applies to put 200K satellites in space after calling Starlink crash risk” · View on HN
GoMonadJun 2020Recommends
Relevant Kurzgesagt ▶ this video The gist: we could trap ourselves on earth for generations with space debris.
in “Ask HN: What’s a big trend we should all be following?” · View on HN
snuxollJan 2020Recommends
> A graveyard orbit sounds like it will be flying around up their indefinitely as high speed shrapnel. Does anyone know why they would choose this instead of destroying it on re-entry? Because the ∆v required to re-enter the atmosphere is significantly higher than that required to leave geosynchronous orbit for a higher graveyard orbit. But yes, ultimately it will remain up there as "high speed shrapnel" - which is not an ideal situation, and continuing to treat disposal as we have may put us in a situation where these orbits become so full of high speed garbage that they are unusable. As a species, we need to do more work on cleaning up our space garbage before it's too late. Kurzgesagt actually has a great video on the topic of space debris for anyone interested: ▶ this video
in “DirecTV races to decommission broken satellite before it explodes” · View on HN
samcdayJul 2019Recommends
Kurzgesagt[1] convinced me that space debris will become a real problem if we're not careful. A "Swarm" of fist-sized cubesats whizzing around our planet at a few thousand km/h sounds like a nightmare. [1]: ▶ this video
in “FCC fines Swarm $900k for unauthorized smallsat launch (2018)” · View on HN
xvectorJun 2019Recommends
No, the issue with space debris is that we are quickly approaching the point where a single unfortunately placed collision could chain using a sort of exponential “shotgun effect”, destroying virtually all satellites at a given orbit and rendering space travel impossible for decades if not centuries, setting human space exploration back significantly as launches have to deal with thousands of metal shards traveling at tens of thousands of mph. See this video[1] by Kurzgesagt: “End of Space - Creating a Prison for Humanity.” [1]: ▶ this video
in “Study finds that a GPS outage would cost $1B per day” · View on HN
YainaMay 2021Cites it
What I think is infuriating that companies and countries can just put up as many satellites up there as they want. If you put dangerous[1][2] garbage in the sky you should have some responsibility to keep it safe and clean up. IMHO the risk of putting these things up outweigh any potential benefit for underserved regions. Musk could've also invested in ground-based communications infrastructure. [1] [link] [2] ▶ this video
in ““Just avoid the satellites” they said” · View on HN
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xvectorOct 2020Cites it
Kessler syndrome - hundreds of thousands of tiny shards would explode at the point of impact ripping into other satellites and rendering them defunct (causing more collisions). An exponential growth would occur which would result in Earth orbit being unusable. This might effectively lock use of Earth orbit away for centuries. See the video by Kurzgesagt - “End of Space: Creating a Prison for Humanity.” [1] [1]: ▶ this video
in “Monitoring a high risk conjunction between two large defunct objects in LEO” · View on HN
syxSep 2019Cites it
Everytime I see these kind of events I think about Kurzgesagt video [1] about how the domino effect of satellite collisions would release such a high amount space debris that would trap us all on earth forever. [1] ▶ this video
in “SpaceX Refused to Move Satellite at Risk of Collision with a European Satellite” · View on HN
deanCommieApr 2019Cites it
<Deep breath> 1) Whataboutism doesn't help anyone. Two wrongs don't make a right. 2) India has the hindsight of history that the US and earlier Space programs didn't. Humanity did not consider these kinds of things earlier. Space was treated as essentially infinite. We now know better and know that this debree can cause a real threat to future space missions, even in the worst case dooming humanity to Earth as a prison[1]. By the way, the same applies to carbon emissions. Yes, the West got to industrialize by rampantly polluting the world. No, that doesn't mean China and India get a free pass for it. Also, to the exploitation of countries/economies/people below you on the totem pole. Again, no free pass for what China is doing in Africa just because Europe did it for hundreds of years. 3) This is a slightly different point from (2), but back when Russia and US were rampantly launching rockets into space and exploding satellites, there wasn't a permanently occupied space station in orbit, crewed continuously by human beings from an international peaceful cooperating collective. [1] ▶ this video
in “India’s destruction of satellite threatens ISS, says Nasa” · View on HN
treebroDec 2018Cites it
Found it ironic that Branson called space 'Virgin Territory'. There's a very good possibility that we'd be sending ourselves into the dark ages if space debris goes unmanaged. ▶ this video
in “Virgin Galactic successfully reaches space” · View on HN
sebringjNov 2018Cites it
This is cool but now I'm more concerned in learning how launching micro satellites has become so easy for the masses which would be my opposite reaction normally. Meaning this is not without bad side effects. I watched "in a nutshell" about the end of space in that orbiting debris is becoming an issue as its an exponential threat over time as small debris moving at 20 K mph vaporizes things it comes in contact with, hence more debris, more collisions and so forth eventually creating a death shield to any incoming/outgoing space transport, effectively halting space travel for centuries. Here is that video FYI ▶ this video I don't see how this is helping but possibly there will be cleanup solutions.
in “AWS Ground Station – Ingest and Process Data from Orbiting Satellites” · View on HN