How to Move the Sun: Stellar Engines
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Published 2019-12-22
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Nothing in the Universe is static. In the milky way, billions of stars orbit the galactic center.
Some, like our sun, are pretty consistent, keeping a distance of around 30,000 light years from the galactic center, completing an orbit every 230 million years.
This dance is not an orderly ballet - more like a skating rink filled with drunk toddlers. This chaos makes the galaxy dangerous. Our solar neighbourhood is constantly changing, with stars moving hundreds of kilometers every second.
Only the vast distances between objects protect us from the dangers out there. But we might get unlucky in the future. At some point we could encounter a star going supernova. Or a massive object passing by and showering earth with asteroids.
If something like this were to happen we would likely know thousands, if not millions of years in advance. But we still couldn’t do much about it.
Unless… we move our whole solar system out of the way.
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All Comments (21)
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“Sir the humans are advancing” “What fleet is following them” “T-their whole star system sir”
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I could only imagine the look of disbelief on alien faces as we pull up to their solar system... with our solar system
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I love the saying "Nearly 1% the speed of light" because you immediately understand that is still incredibly fast.
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“ This dance is like a ice rink filled with drunk toddlers”. Probably my favorite quote of all time.
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Can we just talk about the fact that some physicist designed an entire galaxy thrusting towtruck with real physics for the sake of an educational YouTube video
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"we're leaving 2019 with hope, it's been a terrible year" BOY WERE YOU WRONG
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The ending saying “this is the last video of 12019” and it’s almost 23’ oh my god the pandemic, everything- That was such a shock- wow..
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What if shooting stars were actually aliens just drag racing their stellar engines?
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My man designed a whole stellar engine just to be called "our science friend"
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Your astrophysics friend is such a madlad
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Дякую, це найкращий науковий канал, який я коли-небудь дивився 🇩🇪❤️🇺🇦
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"This dance is not an orderly ballet, more like a skating rink filled with drunk toddlers" has got to be the best ever description of the galaxy's movement.
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petition for kurzgesagt to make a semi-hard scifi space colonization game edit: I meant semi-hard as in hard science fiction, as in scientifically accurate fiction they can make the game harder than dark souls lol
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“In a few days this year will be over, and we’ll get to try again” Big mistake
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5:53 really like the executor class star destroyer design, along with the 3 fleets of star destroyers surrounding it.
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I absolutely love the snowball effect that this could have for human expansion through the galaxy. One Dyson Sphere makes the solar system our spaceship. As we orbit the galaxy backwards, we colonize another solar system by terraforming its planets, and we build a second Dyson Sphere around the new star. That star then gets its own Caplan Thruster and begins orbiting with us. Both of these solar systems can then colonize 1 more system each, for a total of 4 habitable solar systems. Those 4 then become 8, then 16, and so on. Exponential growth could have us owning the entire galaxy if we wanted to do so. Imagine that. 🤩
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My favourite Kurzgesagt topic: SPACE
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Humans: can barely make it to the moon and back Humans: have already planned how to move the entire solar system
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Rewatching this video now and hearing the ‘things are bad but we can always do better :)’ outro and then hearing ‘here’s to trying again in 2020!’ Is a whiplash
