How Hot Are Black Holes? | Q&A 435

How Hot Are Black Holes? | Q&A 435

F
Fraser Cain
Jun 30, 2026

Dr Paul Sutter https://www.pmsutter.com/

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How can black holes be hot when all they do is suck in everything around them? Why is the Oort cloud so perfectly spherical? How do astronomical measurements work? And in Q&A+, can small Moon impacts be a threat to Earth?

00:00 Intro
00:23 [@MistSoalar] Why is the Oort cloud spherical?
03:09 [@rJaune] Could we detect the Oort Clouds, or Kuiper Belts of exo-systems?
03:45 [@nephilim20111] How hot black holes are?
08:05 [@d.o.6769] What are the various units and how do they relate to each other?
15:24 Dr Paul Sutter

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