Episode 625: Q&A 116: When Will the Cosmic Microwave Fade Away? And More... Featuring James Davenport

In this week's questions show, I answer when the cosmic microwave background will shift into radio waves, what the Sun would sound like if space was filled with air, and limits of our knowledge about planets through simulations. Visit James Davenport's YouTube channel here: https://www.youtube.com/channel/UCg6zx6fQG_Xo639TIjwJSZA 00:45 When does the CMB turn into radio waves? 03:49 Sounds in space 06:06 How much can we learn about planets through simulations? 09:16 What does clearing an orbit mean? 11:22 Could a science experiment cause the Great Filter? 13:49 What about putting telescopes on ships? 15:45 How hard would it be to send a radio signal out in all directions? 18:05 Is Earth a good place to sustain life, but not create it? 20:05 Will we have an interstellar health organization? 22:02 Why can we find exoplanets, but not planets in the Solar System? 23:12 Why do larger stars have shorter lives? 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 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 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: https://twitter.com/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