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If general relativity is exactly correct (in that there lies a point like singularity at the center of a black hole), then the Roche limit of black holes would be zero. Why would it be zero? Because the singularity isn’t a solid sphere. It’s a point of infinite density with a radius of 0. Basically, what this means is that the concept of a Roche limit ceases to exist here.

However, we know that general relativity doesn’t correctly describe reality at the quantum scale. Classical physics (which general relativity is based upon) contradicts quantum physics in many ways. Singularities work at the quantum scale. Singularities of black holes also only interact through gravity. Because gravity is incredibly weak, we have not been able to experiment with it at the quantum scale. So we don’t know how gravity works at the quantum scale yet.

Therefore, we don’t even know if singularities exist inside black holes. Basically, we have no clue about what happens inside black holes, how general relativity and gravity works at small scales and what exactly happens during a black hole merger.

We could answer the above questions after we understand quantum gravity.

Agreed 100%. Whenever I’m in India, I get Hindu nationalist content A LOT. I briefly attempted the dislike/don’t recommend thing, but nope! I was getting absolutely spammed with stuff like this regardless. I just disabled shorts after that.

Oh same! There’s also casual hate towards the queer community in really random videos.