How Black Hole Formed?

Black Hole or a black hole is a space phenomenon that occurs when a star has a very large size, up to tens times the size of our sun arrives at the end of his life. At the end of his life, massive star would explode so awesome. This explosion is also known as a supernova, and then will form a black hole that will suck everything around him. Here's video of black hole formation (Source: TechMediaNetwork / Space.com).
http://video.vivanews.com/read/14515-bagaimana-black-hole-terbentuk-_1