Astronomer goes into detail about new polarized supermassive black hole images

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37 pointsthunderbong3 comments

https://news.ycombinator.com/item?id=39840977

> my point is it's not like a vacuum cleaner sucking everything up around it

Isn't it? It's just that the stuff around it has a high enough velocity..

I think I've read somewhere that matter falling into blackhole emits a lot of energy due to processes around it. Significant percentage of the rest mass of the matter falling in is emitted along the way as energy.

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