Planet Size Limit, Solar Gravitational Lens, China’s Telescopes | Q&A 218

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. Interview about the Solar Gravitational Lens 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? 📰 EMAIL NEWSLETTER Read by 55,000 people every Friday. Written by Fraser. No ads. Subscribe Free: 🎧 PODCASTS Universe Today: Weekly Space Hangout: Astronomy Cast: 🤳 OTHER SOCIAL MEDIA Twitter: Twitter: Facebook: Instagram: 📩 CONTACT FRASER frasercain@ ⚖️ 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.