Universe Today Podcasts With Fraser Cain

00:00:00 Start 00:04:45 Can we know how much of the Moon is Earth and what is Theia? 00:06:41 Where did the Earth's water come from? 00:09:24 Would alien AI be friendly? 00:12:01 How far could we detect alien civilizations? 00:15:58 Why isn't metallic hydrogen made with nuclear weapons? 00:19:37 Is there water on Titan? 00:22:35 Is the outer Solar System rich in water? 00:24:03 Do stars leak hydrogen? 00:26:32 Can we own mining facilities on the Moon? 00:31:08 Is the Universe orbiting a huge black hole? 00:33:20 What are all the stuff behind me? 00:34:35 Why is it taking so long to send missions to the ice giants? 00:36:58 Favorite lunar lander? 00:40:13 Why is everyone making fun of Starship? 00:44:10 Can ion engines be scaled up? 00:48:00 Could a Falcon 9 carry Orion? 00:51:13 Am I happy to see Bridenstine step down? 00:52:30 What are the limitations of horizontal launches? 00:55:15 What about Sea Dragon? 00:59:05 Why does it take so long to get to Jupiter?