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Scientists Found a Black Hole That Shouldn’t Exist. Now Physics Has a Problem.
(www.popularmechanics.com)
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this post was submitted on 22 Jul 2025
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I don't think this is entirely correct. If the spin of the two black holes aren't in the same direction, I imagine that they will have less spin as a percentage of the maximum after the merger. It does seem odd to me - a layman with 30 years of interest in physics.
Yes, I agree - but in that case they would perhaps note a slow spin (still "the same explanation").
That's just semantics tho, we are saying the same thing.
A bit like saying 'we only have one method of travel from point A to B' and additionally nothing not to use that one method to travel in the opposite direction of B (bcs then it's no longer from A to B). That is absolutely correct & a relevant note to be precise (and absolutely more relevant than the title with the "shouldn't exist").
Also, I'm not sure, but it might be exceptionally rare for the two to orbit each other with opposite spins.