Episode 383

QA 38: Measuring a Black Hole’s Spin and more. Featuring Andy Weir Author of the Martian


December 1st, 2017

22 mins 4 secs

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About this Episode

In this week’s question show, Fraser explains how astronomers measure the spin rate of black holes, other uses of gravitational slingshots, and why everyone is talking about Patreon.

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