Episode 600: Q&A 109: Could We Have A Steam Powered Rocket? And More...

In this week's questions show, I explain why you could have a steam-powered rocket, how often spacecraft have crashed into asteroids and comets, and why a red supergiant star actually has a very low surface gravity. 02:42 Could you build a steam-powered rocket? 04:48 Have any probes crashed into asteroids or comets? 06:47 Surface gravity of UY Scuti 08:57 Will we ever send humans to the surface of Venus? 11:08 Lol 11:24 Does Venus have a magnetic field? 12:22 Longer guest interviews? 14:09 Save the shoutouts to the end 15:55 Could a probe float at the surface of Venus? 16:47 Where do I get my news? 20:29 Why don't meteor showers hit satellites? 21:57 Why not add a module to James Webb? 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: @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