Shape of Craters, Max Size for a Telescope, Atmospheres of Black Holes | Q&A 292

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Why are most craters circular, no matter which angle the meteor falls? Is there a size limit for a telescope before diminishing returns take place? Can black holes have atmospheres? Answering all these questions and more in this Q&A show.

00:00 Start
00:24 How big can a telescope get?
05:12 Does an optical telescope on the Moon make any sense?
08:13 Can black holes have atmospheres?
11:05 Why are craters circular not elliptical?
12:41 Will Starship refuel in orbit in 2025?
12:52 Is there evidence for primordial black holes?

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⚖️ LICENSE
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