[Q&A] First Terrestrial Planets, Expanding Universe VS Gravity, Black Hole Lagrange Points

Universe Today Podcast - A podcast by Fraser Cain

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When did the first terrestrial planets form? How can galaxies collide when the Universe is expanding? Do black holes have Lagrange points? Answering all these questions and more. šŸ¦„ Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:25 When would the first terrestrial planets have formed? 04:40 Did humanity stall with spaceflight? 11:44 If the Universe is expanding, how can galaxy crash into each other? 15:12 How can a teenager help in space exploration? 19:06 Do black holes have Lagrange points? 21:15 Can we watch alien TV? 24:53 Are we alone in the Universe? šŸ“ŗ VIDEO VERSION https://youtu.be/Oo2JR1zxJ98 šŸ“° GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter šŸŽ§ PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ šŸ“© CONTACT FRASER [email protected] āš–ļø LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast