this post was submitted on 16 Mar 2025
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The problem is that it'd be like if matter and energy could just disappear. Black holes would be exclusively tiny, as soon as one formed it'd start vanishing anything that crossed it's event horizon rather than growing, so galaxies could never have formed as their cores would just shrink away as soon as they got too dense.
Black holes are regions of space where information density hits the upper limits allowed by physics. Add more information to it, and the event horizon expands proportionally to what was added. With that in hindsight, it seems rather obvious that the boundary of the event horizon could encode the information once thought to be lost to the black hole inside.
It could do that but what's the evidence that it does? Or has someone proved this is already a feature of semi-classical gravity that just wasn't noticed before? Or is it only a feature of a brand new hypothetical theory?
How deep do you want to go into this, and what's your level if familiarity with the Holographic Principal and AdS/CFT corrospondance? There's no hard evidence yet but there is a shitton of circumstantial evidence to suggest that this is what happens.
If there is no hard evidence yet I have no reason to believe. Go find the evidence, then I will believe it.
That's fine. That is the whole point of science after all. I only meant that this is an idea that is taken very seriously by astrophysicists and is under heavy research. It will very likely turn out to be an accurate description of black holes, we just need better gravitational wave detectors to confirm or refute the idea first.
https://en.m.wikipedia.org/wiki/AdS/CFT_correspondence
It isn't some crackpot theory some PhD candidate slapped together to get their doctorate last year. There is real, verifiable, peer reviewed science here.