How can we protect antimatter-powered rockets from space dust? Will curing cancer solve deep space travel? What happens when planets align? Does dark matter lose angular momentum? Answering all these questions and more in this week's Q&A. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Start 00:28 [Andoria] How can we protect antimatter-powered spaceships from space dust? 06:34 [Vulcan] What will happen if all planets aligned? 09:59 [Risa] Does dark matter lose angular momentum? 15:09 [Aeturen] Are there any advantages to non-Dobsonians for rookies? 21:03 [Vendikar] Why are JWST's deep field images not dramatically better than Hubble's? 23:52 [Remus] Will space still be dangerous when we cure cancer? 25:38 [Janus] How realistic is the concept of sophons from the Three Body Problem? 27:36 [Cait] Do gravity waves come in different flavours? 30:51 [Betazed] How big can a space telescope be if it's assembled in space? 34:36 [Cheleb] Could aliens have created black holes? 37:45 [Nimbus] What's the deal with Sedna? 📰 EMAIL NEWSLETTER Read by 70,000 people every Friday. Written by Fraser. No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Mastodon: astrodon.social/@fcain 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) You are free to use my work for any purpose you like, just mention me as the source and link back to this video.