블랙홀이 지구에도 있는가? (영작)

eve-
A rywhere-including here on Earth.But,what exactly is a mini-black hole?
The black hole is becoming more and more familiar to the general public.It is a piece of matter so crushed together,and so dense,that the gravitational pull in its immediate neighborhood is enormous.Anything that falls in can`t get out,so it is a hole. Even light can`t escape,so it is a black hole.
A black hole is formed when a giant star explodes as a supernova.Part of it collapses,sometimes,into a black hole.Such a black hole is usually somewhat more massive than our sun.It tends to pick up material about it,without giving any back,so it grows in size,especially if it is formed in a region rich in stars.
Scientists have not located any black holes unequivocally,but they are convinced that they exist.They suspect that there are black boles that are thousands of times as massive as our sun at the center of star cluster.There may be still larger black holes,millions and even billions of times as massi…