[Q&A] Artificial Lights on Exoplanets, Sun's Black Dwarf Stage, Iron Asteroids | Q&A 202

Can there be habitable worlds around black holes? Where did Mars get its perchlorates from? How are iron meteorites formed? How will the Sun die? Will China succeed with their Moon landing? All this and more in this week's Q&A with Fraser Cain. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 01:10 Book Club: Termination Shock by Neal Stephenson 03:21 [Tatooine] What happens during Sun's black dwarf stage? 07:26 [Coruscant] Is climate engineering a good idea? 11:24 [Hoth] Can we see city lights of exoplanets? 15:42 [Naboo] Can there be habitable worlds around black holes? 21:01 [Kamino] How are iron meteorites formed? 24:27 [Bespin] How did Mars get its perchlorates? 26:03 [Mustafar] How do we measure sea level when there are constant waves? 28:45 [Alderaan] Will SSTOs ever become a thing? 33:54 [Dagobah] Is China landing on the Moon in five more launches? 38:05 Outro 📺 VIDEO VERSION https://youtu.be/EiBjG477zRE 📰 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)