From StarTalk Plus.
In this Cosmic Queries episode, Neil deGrasse Tyson, joined by co-host Chuck Nice, explains why a black hole’s accretion disk expands when matter (like an asteroid) falls into it. They clarify that the incoming material transfers its gravitational energy into heat within the disk, causing it to heat up, radiate energy, and expand, while also producing powerful jets perpendicular to the disk.
From ‘Incoming Asteroids, Moving Black Holes, & More! | Cosmic Queries #104’": https://youtu.be/ZgwqxKnJoEM?si=pDjhpYw3_YAUH8jI
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