[Q&A] Biggest Disappointment in Space Exploration, Aliens Hiding, Privatisation of Space

What is my biggest disappointment in the history of space exploration? Will the YR4 asteroid have a chance to hit the Moon? Does the solar gravitational lens need a coronagraph? And in our free extended version, how time dilation changes intergalactic travel? All this and more in this Q&A show. 🎁 Same video. No YT ads. +a BONUS question: https://www.patreon.com/universetoday 00:00 Start 00:29 Will the Solar Gravitational Lens telescope need a coronagraph? 03:47 Will the asteroid YR4 have a chance to hit the Moon? 05:28 What is the most advanced on the scale that we could possibly miss? 09:47 What’s my current biggest disappointment in space exploration? 13:08 What does privatisation of space mean for us? 📺 VIDEO VERSION https://youtu.be/0guVsZhB2Ww 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)