Episode 661: Q&A 121: What Stops the Space Station from Re-Entry? And More... Featuring Michael Rodruck

Published: June 9, 2020, 6 p.m.

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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?

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Michael Rodruck with Pennsylvania State University
\\nhttps://sites.psu.edu/mrodruck/

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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?

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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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Our Book is out!
\\nhttps://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/

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Audio Podcast version:
\\nITunes: https://podcasts.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2
\\nRSS: https://www.universetoday.com/audio

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Weekly email newsletter:
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Weekly Space Hangout:
\\nhttps://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/

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Astronomy Cast:
\\nhttps://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg

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Team: Fraser Cain - @fcain / frasercain@gmail.com
\\nKarla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw
\\nChad Weber - weber.chad@gmail.com

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