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Episode 661: Q&A 121: What Stops the Space Station from Re-Entry? And More... Featuring Michael Rodruck
In this week's questions show, I answer questions about how the International Space Station stays above the Earth's atmosphere, does dark matter need a better name? And how do astronomers know they're looking at exoplanets and not sunspots?Michael Rodruck with Pennsylvania State Universityhttps://sites.psu.edu/mrodruck/00:18 How does the ISS stay up?01:54 Does dark matter need a better name?04:12 Could planets orbit something that isn't a star?07:00 GOTO Telescopes09:22 How do we know it's exoplanets and not sunspots?11:55 Interstellar travel without wormholes?14:23 Why make Mars…
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