Q&A 171: Could James Webb Detect Type 2 or 3 Civilizations? And More...
Channel: Fraser Cain
Category: Science & Technology
Tags: exoplanetsred giantbortleatmosphere of marsspacelagrange pointsbetelgeuseplanetsredshiftmars baseterraformingexomoonssolar orbitertype 3 civilizationtype 2 civilizationjwsttransit methodfraser caineuropapolar orbitaliensmarsentanglementspace radiationastronomyiterative designjames webbmoon basevon neumann probesspace refuelingulyssesphotonsuniverse todayhot jupiterthe sunfaster than lightalignmentdark matter
Description: In this week's episode, I explain why James Webb is actually the perfect telescope for detecting advanced civilizations, could we hide the Earth from snooping aliens, could spacecraft go into polar orbit around the Sun? And more... 00:00 Start 00:39 Could James Webb Detect a Type 2/3 Civilization? 05:31 How can Earth hide from aliens? 07:10 Polar orbit around the Sun? 09:41 Could dark matter be alien robots? 11:25 Could iterative design work for JWST? 14:28 Could Betelgeuse have planets? 16:01 Could we replenish Mars atmosphere? 17:34 Are exomoons more habitable? 19:05 Could anything go wrong with JWST? 20:26 Does light redshift to nothing? 22:14 Are Lagrange points filled with debris? 24:12 What are the benefits of a Moon or Mars base? 28:24 How much water will protect against radiation? 29:34 Do photons travel forever? 30:48 What's the best way to refuel in space? 32:57 Are there any ways to communicate instantaneously? 34:33 What are my favorite Bortle-1 locations? 37:32 What am I most excited to see from JWST? 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. π OUR WEBSITE: ββββββββββββββββββββββββββββββββββββ universetoday.com π PODCAST LINKS: ββββββββββββββββββββββββββββββββββββ RSS: universetoday.com/audio iTunes: universetoday.com/itunes Spotify: universetoday.com/spotify π EMAIL NEWSLETTER: ββββββββββββββββββββββββββββββββββββ Read by 50,000 people every Friday. Written by Fraser. No ads. Subscribe Free: universetoday.com/newsletter π OTHER PODCASTS: ββββββββββββββββββββββββββββββββββββ 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 π JOIN OUR COMMUNITY: ββββββββββββββββββββββββββββββββββββ Patreon: patreon.com/universetoday π OTHER SOCIAL MEDIA: ββββββββββββββββββββββββββββββββββββ Twitter: twitter.com/fcain Twitter: twitter.com/universetoday Facebook: facebook.com/universetoday Instagram: instagram.com/universetoday Twitch: twitch.tv/fcain π CONTACT FRASER: ββββββββββββββββββββββββββββββββββββ Email: frasercain@gmail.com π LICENSE: ββββββββββββββββββββββββββββββββββββ 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.
