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|url=http://www.physics.hku.hk/~nature/CD/regular_e/lectures/chap17.html

|url=http://www.physics.hku.hk/~nature/CD/regular_e/lectures/chap17.html

|access date=09.03.2012

|access date=09.03.2012

|quote=We call the center of a black hole a singularity. Naively, it has zero radius and infinite density. However, a more accurate statement is that we do not know the physical laws that govern the singularity and we have no idea what happens there.}}</ref> is declared one of the most important unresolved problems in astrophysics. The speculations about undiscovered naked singularities are part of the quest for a unified theory of physics and they do not provide any direct observational tests of such a theory.<ref>{{cite web

|quote=We call the center of a black hole a singularity. Naively, it has zero radius and infinite density. However, a more accurate statement is that we do not know the physical laws that govern the singularity and we have no idea what happens there.}}</ref> is declared one of the most important ''unresolved'' problems in astrophysics. The speculations about undiscovered naked singularities are part of the quest for a unified theory of physics and they do not provide any direct observational tests of such a theory.<ref>{{cite web

|author=Pankaj S. Joshi

|author=Pankaj S. Joshi

|title=Do Naked Singularities Break the Rules of Physics?  

|title=Do Naked Singularities Break the Rules of Physics?