[Q&A] Dark Curvature, Navigating the Oort Cloud, Future of Space Toilets

Should we change "Dark Matter" to "Dark Curvature"? How do you navigate through dense asteroid fields? What's the future of space toilets? Do aliens block their outgoing signals? All these and more in this week's Q&A with Fraser Cain. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:58 [Tatooine] How do you navigate through dense asteroid fields? 04:02 [Coruscant] Should we change "Dark Matter" to "Dark Curvature"? 07:57 [Hoth] How far can we communicate? 10:49 [Naboo] How can we solve the Fermi paradox? 17:35 [Kamino] What's the future of space toilets? 19:51 [Bespin] Can we avoid the great filter? 22:53 [Mustafar] Why the CMB doesn't go away? 25:35 [Alderaan] Do aliens block their outgoing signals? 27:33 [Dagobah] Can we create a magnetic shield for our spaceships? 30:39 [Yavin] Can aliens detect Earth as a habitable world? 31:44 [Mandalore] Does gravity extend forever? 📺 VIDEO VERSION https://youtu.be/5RIXRVr3Dg8 📰 EMAIL NEWSLETTER Read by 55,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Weekly Space Hangout: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)