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

An episode of [Universe Today Podcast](https://invisiblenetwork.ai/podcast/794058155), 19 Aug 2025, 17 min.

Audio: https://c10.patreonusercontent.com/4/patreon-media/p/post/139665779/ddb688926ea544249f9f3b4a0be554e6/eyJhIjoxLCJpc19hdWRpbyI6MSwicCI6MX0%3D/1.mp3?token-hash=Nl6aTJ9R73pYJKklafkC6LiIAbJHvQunCQKAZwW6iPA%3D&token-time=1794441600

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) Support Universe Today Podcast

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