What happens to matter in a black hole? The question has raised many paradoxes, and in an excerpt from his latest book, physics superstar Carlo Rovelli suggests an answer
October 28, 2020
The universe is full of things we had never foreseen or imagined, nothing more than black holes
Mark Garlick / Scientific Photo Library
There is something paradoxical about what we know about black holes. They have now become “normal” objects for astronomers. Astronomers watch them, count them, and measure them. They behave exactly as Einstein’s theory predicted a century ago, when no one dreamed that such special objects could actually exist. So you are under control. And yet they remain extremely mysterious.
On the one hand, we have a beautiful theory, general relativity, which is spectacularly confirmed by astronomical observations that …