[Q&A] Planet Size Limit, Solar Gravitational Lens, China's Telescopes

How complex must a telescope be to use the solar gravitational lens? How would we approach mining asteroids? How to detect magnetic fields outside the solar system? What is the size limit for a planet? All this and more in this week's Q&A. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:52 [Tatooine] What is the size limit for a planet? 03:51 [Coruscant] How complex must a telescope be to use the solar gravitational lens? 08:19 [Hoth] How would we approach mining asteroids? 10:42 [Naboo] How to detect magnetic fields outside the solar system? 13:49 [Kamino] Which telescopes did China fund? 15:56 [Bespin] Will we discover what's outside of our Universe? 19:06 [Mustafar] Oumuamua: artificial or natural? 21:39 [Alderaan] Planets caught in binary stars' Lagrange points? 26:12 [Dagobah] What's my take on artificial versus organic intelligence? 28:31 [Yavin] What is my preferred answer to the Fermi Paradox? 📺 VIDEO VERSION https://youtu.be/zLCwPNbm6WY 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ 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)