[Q&A] Living on Venus VS Mars, Biosphere 2 for Mars, Dangers of Space Junk

Is living in the clouds of Venus better than living in sub-surface habitats on Mars? Can we really lock ourselves from orbit with space junk? Should we build another version of Biosphere before going to Mars? And in Q&A+, is abiogenesis really unlikely? 😍 PROMO -57% OFF your first month on Patreon: https://www.patreon.com/posts/join-my-patreon-134941769 👉 [Q&A+] No YT ads. Bonus Question https://www.patreon.com/universetoday 00:00 Start 00:29 [Mr Kyle] How do we distinguish the motions of galaxies and the expansion of the Universe? 02:14 [Melinda Green] Biosphere 2 before going to Mars? 03:38 [Adam Redwine] Are there any plans for Biosphere 3? 05:43 [A.SmollZz] Can we really trap ourselves on orbit because of space junk? 07:50 [Nick Stokes] What kind of space mission would I get on? 09:21 [name] Floating habitat on Venus VS sub-surface habitat on Mars 10:11 [Kyle] Hostile aliens 11:25 [Ken Sole] Rarest phenomena in our universe 📺 VIDEO VERSION https://youtu.be/S4Nj0kJ7ZMo 📰 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)