supermassive BLACK HOLES

BLACK HOLE!!!!!!
                   What does it mean????

                                                               where's its origin????

                      Can anything escape falling into a black hole???

A BLACK HOLE is a region of space from which nothing,including light can escape.

The most massive known Black Hole in the universe weighs equal to the mass of 18 billion suns".It lurks 3.5 billion light years away and it's at the center of quasar called OJ 287.

A QUASAR is an extremely bright object in which matter spiralling into a giant BLACK HOLE
emits copious amounts of radiation.