Episode 768: Q&A 161: Could You Have a Planet Made of Water? And More...

In this week's questions show, I answer if you could have a planet made entirely of water, is it our duty to spread life in the Universe? Could Planet 9 be a brown dwarf? And more...00:00 Start01:35 Could you have a planet made only of water?04:23 Is it our duty to spread life into the Universe?07:43 Could a civilization harvest energy from tidal flexing?10:01 Where could you survive without a spacesuit?12:18 How do space stations get decommissioned?14:41 Could Planet 9 be a brown dwarf?15:42 Will climate change impact space exploration?18:47 Would mold outside the space station be alien?20:22 Do other star systems have kuiper belts and oort clouds?22:06 Does the Milky Way have an escape velocity?24:14 Should Earth be kept as a nature preserve?Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.🚀 OUR WEBSITE:════════════════════════════════════https://www.universetoday.com/🚀 PODCAST LINKS:════════════════════════════════════RSS: https://universetoday.com/audioiTunes: https://universetoday.com/itunesSpotify: 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/id836926769YouTube: 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=2YouTube: https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg🚀 JOIN OUR COMMUNITY:════════════════════════════════════Patreon: https://patreon.com/universetoday🚀 OTHER SOCIAL MEDIA:════════════════════════════════════Twitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetodayTwitch: 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