How would they get a 14-meter mirror to space? Are we sure there's no life on the Moon? Can there be Lagrange points around Lagrange points? How much mass does Earth gain and lose to space? Answering all these questions and more in this week's Q&A.🦄 Support us on Patreon: https://patreon.com/universetoday📚 Suggest books in the book club:https://www.goodreads.com/group/show/1198440-universe-today-book-club📺 VIDEO VERSIONhttps://youtu.be/3OW9PaNm03Y📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast