Protecting from Solar Flares, Tiny Rockets, Oldest Possible Ice | Q&A 209

Can you maintain a stable orbit with just a solar sail? Will a Dyson sphere or swarm kill all life inside of it? Can you protect yourself from a solar flare? What s the oldest ice in the Universe? All this and more in this week s Q&A! 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:48 [Tatooine] Can you maintain orbit with just a solar sail? 06:44 [Coruscant] Does a Dyson sphere kill all life inside of it? 11:04 [Hoth] Can a Faraday cage protect from a solar flare? 13:52 [Naboo] Can there be a stable irregular-shaped planet? 17:45 [Kamino] How small can a rocket be? 19:35 [Bespin] Can we detect artificial light on Proxima b? 22:54 [Mustafar] How old was the Universe when first ice was able to form? 📰 EMAIL NEWSLETTER Read by 55,000 people every Friday. Written by Fraser. No ads. Subscribe 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) You are free to use my work for any purpose you like, just mention me as the source and link back to this video.