[Q&A] Protecting from Solar Flares, Tiny Rockets, Oldest Possible Ice

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? 📺 VIDEO VERSION https://youtu.be/YfiyXH6vqDQ 📰 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)