http://antwrp.gsfc.nasa.gov/apod/ap010418.html
http://antwrp.gsfc.nasa.gov/apod/ap010418.html
![Shocked :shock:](./images/smilies/icon_eek.gif)
They can? I was under the impression that black holes were an example of one of those places where our theories break down. They were predicted directly from General Relativity, which 'fails' when it gives us an infinity (aka a singularity) at the point where the mass collapses to infinite density. Quantum mechanics fails to describe them correctly because it has no framework for dealing with gravity.Dr. Skeptic wrote:Infinity resides as a concept only in this universe, a black hole can be explained, in theory, without the concept of a singularities.