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A comment on The wobbling shadow of the M87* black hole. Parent comment

Re:The wobbling shadow of the M87* black hole by zbrozek on Thursday September 24, 2020 @01:02AM (#24575405)
I'd like a Randall Munroe what if on this.
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Re:The wobbling shadow of the M87* black hole by jcims on Thursday September 24, 2020 @01:49AM (#24575648)
Ask and you shall receive:

https://what-if.xkcd.com/129/

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Re:The wobbling shadow of the M87* black hole by imglorp on Wednesday September 30, 2020 @02:07PM (#24641682)
Nice. He answered most of my questions except one. How big does some object need to be to cause harm to Earth as it gets consumed by the black hole moon? Also, I guess we also need to talk about spin and how the accretion disk and quasar radiation beam are oriented to say if it's pointed at Earth or not.
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