Is there a risk of contaminating Earth with space-resistant bacteria when de-orbiting the ISS? What would be the next big outpost when humanity reaches Mars? What's the real shape of Lagrange points? Plus, in our bonus part on Patreon, could there be life in lava tubes. Answering all these questions and more in this Q&A show.👉 Same video. No ads. +BONUS question. For FREE.https://www.patreon.com/universetoday🚀 Even more questions with Overtime:https://www.patreon.com/posts/overtime-for-q-123098406📺 VIDEO VERSIONhttps://youtu.be/b0sdyvaSRK4📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast