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What If We Could Build an Alderson Disk?

This is not some DVD floating in space. It's a megastructure that might one day become humanity's home. The Earth might not remain habitable forever. It could get engulfed by a massive solar flare, or become too hot due to climate change, or have all its life wiped out by one enormous asteroid. What if I told you we could outlive all these disasters? And that we could do that by building a space megastructure bigger than the Sun itself? Just how big would we have to make it? And what would life be like on a structure like that? Transcript and source: https://whatifshow.com/what-if-we-cou... Subscribe to the brand-new What If Discussed podcast: http://bit.ly/yt-what-if-show-podcast Take a deeper dive into What If episodes with the help from the world's top thinkers in science. Join our Patreon community and help make What If better: http://bit.ly/whatif-patreon Can you translate this episode into another language? Add subtitles and we will link your YouTube channel in the description: https://www.youtube.com/timedtext_vid... Watch more what-if scenarios: Planet Earth: http://bit.ly/YT-what-if-Earth The Cosmos: http://bit.ly/YT-what-if-Cosmos Technology: http://bit.ly/YT-what-if-Technology Your Body: http://bit.ly/YT-what-if-Body Humanity: http://bit.ly/YT-what-if-Humanity T-shirts and merch: http://bit.ly/whatifstore Suggest an episode (detailed): http://bit.ly/suggest-whatif Newsletter: http://bit.ly/whatif-newsletter Feedback and inquiries: https://underknown.com/contact/ What If elsewhere: Instagram: http://bit.ly/whatif-instagram Twitter: http://bit.ly/whatif-twitter Facebook: http://bit.ly/facebook-whatif What If in Spanish: http://bit.ly/YT-Spanish-what-if What If in Mandarin: http://bit.ly/YT-Chinese-what-if Our thumbnail was created by Siddhesh. Check out more of his art on his Instagram:   / sidomatic_   Thank you to our loyal patrons: Gabe Steve H. What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way. Produced with love by Underknown in Toronto: https://underknown.com