[Interview] Black Holes Spin. Now, How Can We Measure That?

Published: Dec. 4, 2023, 7 p.m.

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Black holes are defined by only three parameters: mass, charge and spin. We know that black holes spin. But how can we measure that? What tools and methods are at our disposal? Answering these questions with Dr Ruth Daly, Professor of Physics at Penn State University.

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\\U0001f4c3 New Black Hole Spin Values for Sagittarius A* Obtained with the Outflow Method
\\nhttps://arxiv.org/abs/2310.12108

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00:00 Intro
\\n01:11 Black Holes\' mass
\\n06:22 Jets from Quasars
\\n09:00 Being near a black hole
\\n10:35 Measuring the Sgr A
\\n18:56 Spinning black holes
\\n26:41 Orientation of Sag A
\\n29:02 Energy of black holes
\\n32:33 Final thoughts

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\\U0001f4fa VIDEO VERSION
\\nhttps://youtu.be/9ArfZdNDtzY

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