Episode 671: Q&A 123: What if a Supernova Exploded Beside a Black Hole? And More...

In this week's questions show, I answer what would happen if a supernova exploded right beside a black hole, how do we know that it's impossible to travel faster than the speed of light, can we hitch a ride on an interstellar object, and more...00:00 Start00:17 What if a supernova exploded right beside a black hole?03:09 Is interstellar travel just too difficult?05:25 How do we know FTL is impossible?07:58 How does the Mars helicopter navigate?09:18 Why does NASA still pay Boeing for Starliner?11:25 How does the speed of causality work?14:15 What if you watched a warp drive ship?16:35 Will China go to Mars?20:26 Why aren't we tidally locked to the Sun?22:22 Maybe dark matter is in another dimension?23:48 Can we hitch a ride on an interstellar asteroid?26:15 Turning energy into matterWant 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://podcasts.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2RSS: https://www.universetoday.com/audioWeekly email newsletter:https://www.universetoday.com/newsletterWeekly Space Hangout:https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/Astronomy Cast:https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSgSupport us at https://www.patreon.com/universetodayMore stories at https://www.universetoday.com/Twitch: https://twitch.tv/fcainFollow us on Twitter: https://twitter.com/universetodayLike us on Facebook: https://www.facebook.com/universetodayInstagram - https://instagram.com/universetodayTeam: Fraser Cain - @fcain / [email protected] Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fwChad Weber - [email protected] Universe Today Podcast