Universe Today Podcast

[Q&A] Shape of Craters, Max Size for a Telescope, Atmospheres of Black Holes

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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.

👉 Watch the extended Overtime Q&A:

https://www.patreon.com/universetoday

  • 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?

    • 📺 VIDEO VERSION

    https://youtu.be/MaKWptXAxC8

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