11ac1064_ions___Astronomy___Black_Holes__Question
[Date Answered] January 7, 2010 [Questioner (age, location)] L.Prashanth (India) [Answer] According to the theory, at the center of a black hole lies the singularity, where matter is crushed to infinite density. More information in our web pag Black Holes. [Question] 
Does the SINGULARITY of a black hole have any mass and is the universe infinitely vast ??
Quickie Questions - Astronomy - Black Holes