Episode 667: Open Space 84: Are Red Dwarf Planets Doomed? Should the Space Shuttle Have Been Built? And More

Another week, another Open Space. In this week's questions show, I talk about planets orbiting red dwarf stars, if planets could steal moons from each other, and whether or not the space shuttle should have ever been built. 02:58 Is Proxima Centauri C a gas giant? 05:22 How doomed are red dwarf planets? 07:37 Could a planet steal a moon? 10:25 Should we sent asteroids back to Earth to mine them? 14:00 Do any sunlike stars have promising planets? 15:35 Why do meteors turn green? 17:51 Will Starlink communicate from Earth to Mars? 21:50 What if our supermassive black hole increased in mass? 23:35 Will spaceforce administer justice in space? 27:29 Will we discover life on Enceladus? 31:10 What is the limit of ion engines? 32:33 Have any lava tubes been explored? 34:05 How will we deal with astronaut mental health? 36:52 Would I want three telescopes at L3, L4, L5 39:10 How does the speed of gravity affect the movement of stars in the Milky Way? 40:15 Was the shuttle prematurely ended? 43:52 Is there competition for small rockets? 49:00 What if the Sun was different type of star? 51:28 Is space radiation underappreciated risk? 54:44 what are my expectations for James Webb? 55:38 What are the best ideas for cleaning space debris? 57:51 Will James Webb find biosignatures? 58:15 Does the Solar System line up with the Milky Way? Our Book is out! https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version: ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2 RSS: https://www.universetoday.com/audio What Fraser's Watching Playlist: https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G Weekly email newsletter: https://www.universetoday.com/newsletter Weekly Space Hangout: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg Support us at: https://www.patreon.com/universetoday More stories at: https://www.universetoday.com/ Twitch: https://twitch.tv/fcain Follow us on Twitter: @universetoday Like us on Facebook: https://www.facebook.com/universetoday Instagram - https://instagram.com/universetoday Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw Chad Weber - weber.chad@gmail.com