Episode 705: Open Space 99: Would Alien AI Be Friendly to Us? And More...

00:00:00 Start 00:04:45 Can we know how much of the Moon is Earth and what is Theia? 00:06:41 Where did the Earth's water come from? 00:09:24 Would alien AI be friendly? 00:12:01 How far could we detect alien civilizations? 00:15:58 Why isn't metallic hydrogen made with nuclear weapons? 00:19:37 Is there water on Titan? 00:22:35 Is the outer Solar System rich in water? 00:24:03 Do stars leak hydrogen? 00:26:32 Can we own mining facilities on the Moon? 00:31:08 Is the Universe orbiting a huge black hole? 00:33:20 What are all the stuff behind me? 00:34:35 Why is it taking so long to send missions to the ice giants? 00:36:58 Favorite lunar lander? 00:40:13 Why is everyone making fun of Starship? 00:44:10 Can ion engines be scaled up? 00:48:00 Could a Falcon 9 carry Orion? 00:51:13 Am I happy to see Bridenstine step down? 00:52:30 What are the limitations of horizontal launches? 00:55:15 What about Sea Dragon? 00:59:05 Why does it take so long to get to Jupiter? 🚀 OUR WEBSITE: ════════════════════════════════════ https://www.universetoday.com/ 🚀 PODCAST LINKS: ════════════════════════════════════ RSS: https://universetoday.com/audio iTunes: https://universetoday.com/itunes Spotify: https://universetoday.com/spotify 🚀 EMAIL NEWSLETTER: ════════════════════════════════════ Read by 50,000 people every Friday. Written by Fraser. No ads. Subscribe Free: https://universetoday.com/newsletter 🚀 OTHER PODCASTS: ════════════════════════════════════ Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/ iTunes: https://podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769 YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay. RSS: https://astronomycast.libsyn.com/rss/ iTunes: https://podcasts.apple.com/ca/podcast/astronomy-cast/id191636169?mt=2 YouTube: https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg 🚀 JOIN OUR COMMUNITY: ════════════════════════════════════ Patreon: https://patreon.com/universetoday 🚀 OTHER SOCIAL MEDIA: ════════════════════════════════════ Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday Twitch: https://twitch.tv/fcain 🚀 CONTACT FRASER: ════════════════════════════════════ Email: [email protected] 🚀 LICENSE: ════════════════════════════════════ Creative Commons Attribution 4.0 International (CC BY 4.0) You are free to use my work for any purpose you like, just mention me as the source and link back to this video.Support Universe Today Podcast