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The most mysterious object of the world

BLACK HOLE
Black holes are one of the most mysterious things in the world. They are so mysterious that even Stephen Hawking and other scientist are not able to fully understand its properties. So let us understand that how a black hole forms and dies:

1)Formation of Black holes:- Black holes are formed by implosion(an inward supernova/explosion)of huge stars (at least 5 times more bigger than our sun which occupies approx 99% of weight of our solar system). The gravitational force which acts inward towards the core of the star is so high in such huge stars that the star's core collapses & the star began to shrink.
Finally a stage comes when a star whose size was even massive than sun is converted into a body whose size is in meters(Black holes) & its mass is concentrated to a point (Singularity).
* Just think for a moment that a star which was 5 times greater than sun have now all its mass in a point. Volume have become negligible(as compared to the initial volume of the star) but mass remains the same, now i think you can imagine that how much high its density is. Its density is so much high that even when light enters its gravitational field area(event horizon) cannot escape from its pull.

2) Death of a Black hole:- A Black hole's size increases when it engulfs any thing in space but decreases with time if nothing comes in its field area. Hence Black hole can only be destroyed when nothing comes in its area other wise it will keep on increasing.



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