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How don't comets lose all their mass really quickly? Where are all the photos of the Milky Way from the ISS? Can you reach out from orbit and poke a black hole with a stick? Answering all these questions and more in this Q&A show.

00:00 Start
00:24 Comets and their tails
04:06 Where are the pictures of the Milky Way from the ISS?
08:36 Will the Sun's expansion bring the Moon closer to Earth?
11:27 Can you poke a black hole with a stick?
13:35 When did 'our' part of the Universe form?

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Creative Commons Attribution 4.0 International (CC BY 4.0)

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