40 quintillion stellar-mass black holes are lurking in the universe, new study finds - Livescience.com

The researchers hope to use the estimate to figure out the mystery of how supermassive black holes came to be.
Scientists have estimated the number of "small" black holes in the universe. And no surprise: It's a lot. This number might seem impossible to calculate; after all, spotting black holes is not exa… [+5037 chars] Read More