The one thing that comes through in our mind when we thing about black hole is a object which observer the thing which gets near it this is the common thing which everyone's mind will be thinking when we here the word black hole. The black hole is with full of gravitational force and negative force.
The black hole is contains of small and sharp atoms which is enough to cut a rocket or space ship.
The black hole is formed for example a wood piece had go fire in one end a black colored formation will be forms when the wood is Burn completely that is also a type of black hole. let's see detailed in chapter-2