These mfers are like glitches in reality. Even trying to wrap my head around wtf they are freaks me out. How the hell can there be a thing in this universe that has infinite density? That doesn't even make sense.
Ugh
These mfers are like glitches in reality. Even trying to wrap my head around wtf they are freaks me out. How the hell can there be a thing in this universe that has infinite density? That doesn't even make sense.
Ugh
The hardest part to wrap your head around is the fact that the interior quite literally does not exist from your perspective, nor will it ever. From our perspective outside of a black hole, everything that has ever fallen into a black hole is not actually inside it yet, it is actually squashed up against the surface impossibly thin, asymptotically approaching the radius we observe as the event horizon. Due to time dilation, there is in fact no black hole yet; just a collapsing star paused in time approaching infinitely close to the moment where its mass is contained within its Schwarzschild radius. We can't observe these objects squished up against that boundary because the light they emit gets red shifted into infinity, but that's where they are and will remain forever.
But from the perspective of an object falling in, nothing special happens at the event horizon. It observes the flow of time to be as normal, and it simply becomes causally disconnected from the entire rest of the universe as it enters a space that does not exist for us.
I'm not exactly sure how black hole evaporation works into this, though. Just when you think you got something about physics understood, you realize you actually don't.
Yeah I thought I was with you but then this doesn't make sense at all. If black holes can cease to exist then surely anything that was "frozen" at the event horizon should just get flung off into space
Hawking Radiation, I believe is the term for however something, uh... I guess escapes the black hole.
So, what, a black hole is like a cosmic grinder that just converts all that matter into hawking radiation ("instantly" from the perspective of the thing being destroyed) and nothing ever actually reaches the singularity?
Ask three physicists this question and you will get three completely different answers to it. This question is one of the biggest unresolved questions in physics.
It seems like maybe they do, but if so, then they're able to reduce matter from a complex state to a simple one, meaning they can reduce entropy in a closed system, which isn't supposed to be possible.
From my understanding, pairs of particles pop into existence everywhere in the universe, all the time. These particles have a negative and a positive charge, and they cancel each other out moments after popping into existence. However, these pairs of particles can pop into existence in a way that causes one of them to appear inside the event horizon of a black hole, while the other pops into existence outside of the event horizon. Over time, this ??? and the black hole evaporates.
The particle-antiparticle pair thing is an imperfect analogy. PBS explains it well here https://youtu.be/qPKj0YnKANw
It might be related to the black hole information paradox, idk
Not quite true, the observer crosses the event horizon in finite time, but I believe they're capable of observing the end of the universe. But as you said, not sure how black hole evaporation effects this either.