11ac1064_ions___Astronomy___Black_Holes__Question
[Date Answered] July 21, 2007 [Questioner (age, location)] Elric (Iowa) [Answer] Although there is no observational evidence of the collision of two black holes, the theory predicts what will happen to them. This article from the National Science Foundation discusses the latest finding. This impressive video shows how it is predicted that the black holes will behave. [Question] 
Can black holes escape echoter, or rip echothers mass apart?
Quickie Questions - Astronomy - Black Holes