[Q&A] Colouring the Sun Green, Self-Sustaining Space Station, Fate of LUVOIR

Should we be colouring our star green to make it stand out for potential aliens? What would it take for a space station to be fully self-sufficient? What happened to LUVOIR which was supposed to be a bigger version of JWST? And in our free bonus question on Patreon, can you win a Nobel Prize by watching YouTube videos. All this and more in this Q&A. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:32 Can a space station be 100% self-sustaining? 03:54 Should we paint the Sun green? 06:29 How can we still see the CMB? 08:02 Starlink and the destruction of ozone layer 12:31 What's going on with the LUVOIR telescope? 📺 VIDEO VERSION https://youtu.be/YgeitQyLr9c 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)