Universe Today Podcast

Episode 600: Q&A 109: Could We Have A Steam Powered Rocket? And More...

December 6th, 2019  •  24 mins 6 secs  •  Download (22.1 MB)  •  Link with Timestamp

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In this week's questions show, I explain why you could have a steam-powered rocket, how often spacecraft have crashed into asteroids and comets, and why a red supergiant star actually has a very low surface gravity.