[Q&A] Biggest Possible Crowbar, Sun Illusion, Measuring Temperature on the Moon

How big can a space crowbar be? Why does the Sun look bigger near the horizon? How do we measure temperature on the Moon? Answering all these questions and more in this Q&A show. 👉 Watch the extended Overtime Q&A: https://patreon.com/universetoday 00:00 Start 00:23 How do we measure temperature on the Moon or in space? 03:51 Can you see more of the Milky Way in the Southern Hemisphere? 06:07 What is metallic hydrogen? 10:16 Is the Sun bigger near the horizon? 12:45 What's Gaia's role in the distance ladder? 15:45 How big can a crowbar be in space? 📺 VIDEO VERSION https://youtu.be/aMrsKgJPnxA 📰 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) Support Universe Today Podcast