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?

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