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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 University
\nhttps://sites.psu.edu/mrodruck/

00:18 How does the ISS stay up?
\n01:54 Does dark matter need a better name?
\n04:12 Could planets orbit something that isn't a star?
\n07:00 GOTO Telescopes
\n09:22 How do we know it's exoplanets and not sunspots?
\n11:55 Interstellar travel without wormholes?
\n14:23 Why make Mars habitable?
\n16:38 Have we mapped Venus?
\n18:23 What would it feel like to stand on a massive disk?
\n20:25 Can dark matter get concentrated into a black hole?
\n22:30 Are there even closer black holes?
\n24:21 How do we know how many stars in the Milky Way?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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