It only has the gravity of a 1 kg object and is extremely small, so it's not likely you'd be able to find an environment where mass is going to be getting jammed into it at quadrillions of tons per second even ignoring the fact that it's sort of a continuous nuclear explosion — it's radiating all its mass energy at a rate a few million times higher than the output of the sun in the ballpark of a star actively going nova.
thfuran|2 years ago