HOW BLACK HOLE IS FORMED???

                    TOPIC :- BLACK HOLE

         HOW BLACK HOLE IS FORMED???

Before we start we have to know what is a black hole ????

A BLACK HOLE IS AN AREA IN THE SPACE FROM WHERE NOTHING CAN ESCAPE – NOT EVEN LIGHT CAN ESCAPE FROM IT...

BECAUSE THE GRAVITATIONAL FORCE  THAT PULL OBJECTS IN SPACE TOWARD THE BLACK HOLE  IS VERY STRONG...

Acc. TO SCIENTISTS  STELLAR BLACK HOLE FORM WHEN THE CENTRE OF A VERY MASSIVE  STAR OF ABOUT 20 TIMES OF THE SUN STARTS COLLAPSING ON ITSELF..

THIS COLLAPSING LEADS TO A HUGE EXPLOSION CALLED SUPERNOVA....

SCIENTISTS THINKS THAT SUPERMASSIVE BLACK HOLE IS ONLY FORMED AT THE CENTRE OF MANY GALAXIES ...

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