this post was submitted on 28 Sep 2023
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337
Scientists confirm that the first black hole ever imaged is actually spinning (www.engadget.com)
submitted 1 year ago by [email protected] to c/[email protected]
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Scientists confirm that the first black hole ever imaged is actually spinning::The first black hole humanity has ever imaged has also provided us with what researchers are calling "unequivocal evidence" that black holes spin.

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[–] [email protected] 15 points 1 year ago (1 children)

I guess the next questions would be

  1. How fast? Really fast? Does this question even make sense?
  2. What does this say about the inside of the event horizon? Does it say anything? Is this black hole leaking real information?
  3. Is black hole spin quantized like quantum spin? Is it spin-up or spin-down?
[–] [email protected] 26 points 1 year ago (3 children)

Quantum Physics “spin” has nothing to do with actual spinning. It’s just a weirdly named property of particles.

[–] [email protected] 8 points 1 year ago (1 children)

I've always thought that they should have just named the properties something like P1, P2, etc. So there's no connotation.

[–] [email protected] 2 points 1 year ago

Spin is a form of angular momentum, so there is a reason for the name. It’d be a pain in the butt to learn if properties didn’t have catchy names too.

[–] [email protected] 1 points 1 year ago (1 children)

I thought "spinning" was meant rather literally in this case and not in some quantum sense

[–] [email protected] 1 points 1 year ago

For black holes, it does refer to actual spinning. Particles are the ones not really spinning.