What are those lasers shooting out from telescopes? Why not assemble telescopes in space? Answering all these questions and more in this week's Overtime 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-club00:00 Start00:50 Could we plant in Mars regolith? 📺 VIDEO VERSIONhttps://youtu.be/CB5JBkDqmu0📰 EMAIL NEWSLETTERRead by 60,000 people every Friday.