[Q&A] Lasers VS Space Junk, Missions Overdelivering, Asteroids Already Mined

Which space mission would I save from cancellation if I could? Is fighting space junk with lasers a good idea or not? What if we find asteroids that have already been mined? And in our Q&A+ on patreon, how do we measure masses of black holes ? Answering all these questions and more in this Q&A show. 🎁 [Q&A+] Same video. No YT ads. BONUS question, totally free : https://www.patreon.com/universetoday 🚀 [Overtime] Even more Q&As https://www.patreon.com/universetoday 00:00 Start 00:28 [AshStar] Which mission would I save from cancellation? 05:54 [Fearthelettuce] Why missions last longer than their projected lifespan? 09:38 [Briar Patch] Lasers vs space junk. Good or bad? 12:55 [Marie la Misérable] Adblocks with our videos? 13:31 [MikeD] What if asteroids have already been mined? 📺 VIDEO VERSION https://youtu.be/hxe3XDefWeA 📰 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)