Channel: Fraser Cain

Category: Science & Technology

Tags: size of the universecosmic background radiationplanetary protectionbig banghabitabilityspacesubsurface oceanwater worldinterstellar traveljeff bezospulsarsfraser caineuropablue originneutron starsspinlaunchmarseuropa clipperelon muskspacexastronomyjames webbbootes voidmagnetosphereuniverse todayspace colonizationspace junkroversdobsoniantelescopessupernovaesupervoidmars radiationdark matter

Description: In this week's live questions and answers show, I explain why NASA doesn't build standardized rovers, how we know the Universe is approximately 13.8 billion years old, and which are the best (and worst) entry-level telescopes to get. Mars Magnetosphere story universetoday.com/153368/an-absolutely-bonkers-plan-to-give-mars-an-artificial-magnetosphere 00:00 Start 00:28 When will NASA make standard models of rovers? 04:28 Is the Universe older than 13.8 billion years? 07:06 What are the best and worst entry level telescopes? 10:29 Why isn't there more of a push to explore Europa? 13:40 could dark matter be a heavier element? 16:29 How could we drill down through Europa's ice sheet? 19:23 Will supervoids grow as the Universe expands? 21:11 What's the best technology for interstellar travel? 23:15 Could we protect Mars with a giant solenoid? 25:37 Could we build a second James Webb? 27:08 Could a longer ramp let Spinlaunch send humans to space? 29:39 What is the economic cost of contaminating Mars? 33:18 Do Jeff Bezos and Elon Musk have any business strategy for colonizing space? 35:08 How do neutron stars die? 36:28 Better to live on a water world or Mars? 37:37 Any way to collect small pieces of space junk? 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: ════════════════════════════════════ universetoday.com 🚀 PODCAST LINKS: ════════════════════════════════════ RSS: universetoday.com/audio iTunes: universetoday.com/itunes Spotify: universetoday.com/spotify 🚀 EMAIL NEWSLETTER: ════════════════════════════════════ Read by 50,000 people every Friday. Written by Fraser. No ads. Subscribe Free: universetoday.com/newsletter 🚀 OTHER PODCASTS: ════════════════════════════════════ Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: universetoday.com/feed/wshaudio iTunes: podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769 YouTube: youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay. RSS: astronomycast.libsyn.com/rss iTunes: podcasts.apple.com/ca/podcast/astronomy-cast/id191636169?mt=2 YouTube: youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg 🚀 JOIN OUR COMMUNITY: ════════════════════════════════════ Patreon: patreon.com/universetoday 🚀 OTHER SOCIAL MEDIA: ════════════════════════════════════ Twitter: twitter.com/fcain Twitter: twitter.com/universetoday Facebook: facebook.com/universetoday Instagram: instagram.com/universetoday Twitch: twitch.tv/fcain 🚀 CONTACT FRASER: ════════════════════════════════════ Email: frasercain@gmail.com 🚀 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.