What’s “inside” a black hole?


From Dr. Becky.

We don’t know. But here’s our best ideas… Plus, to learn more science and maths by *doing* head to https://brilliant.org/drbecky

00:00 – Introduction
00:45 – A black hole is not a hole
02:50 – What’s the event horizon?
04:44 – Option 1: A singularity
06:07 – Option 2: An exotic, unknown form of matter
08:37 – Option 3: Something else…?
11:01 – Bloopers

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📚 "Space: 10 Things You Should Know": http://bit.ly/SpaceDrBecky

📚 US & Canada version: "Space at the speed of light" (same book, different title, with some beautiful illustrations): https://www.penguinrandomhouse.com/books/635406/space-at-the-speed-of-light-by-dr-becky-smethurst/

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The artwork in the background is a scientifically accurate map showing the orbits of more than 18000 asteroids in the Solar System, created by Eleanor Lutz. Find out more and buy one here: https://eleanorlutz.com/mapping-18000-asteroids

👩🏽‍💻 I’m Dr. Becky Smethurst, an astrophysicist at the University of Oxford. I love making videos about science with an unnatural level of enthusiasm. I like to focus on how we know things, not just what we know. And especially, the things we still don’t know. If you’ve ever wondered about something in space and couldn’t find an answer online – you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars.


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