Another thing that is an unchanging constant, but also changes. “Black holes have so much gravity that nothing can escape it, not even light” “Except for all

Another thing that is an unchanging constant, but also changes. “Black holes have so much gravity that nothing can escape it, not even light” “Except for all those particles there, and there, it’s called hawking radiation, and eventually the black hole which nothing can escape, not even light, will evaporate from everything escaping it” Makes perfect logical sense