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Showing posts from November 13, 2020

WHAT IS A BLACK HOLE ?

WHERE TO BEGIN There are many mysteries about the birth of the universe, its evolution.  But the most important and dangerous mysterious thing is a black hole .  But nobody has ever seen it.  This black hole has the capability to take away even a big planet.  Whatever the thing that once entered into a black hole can never be returned.  The thing that comes closest to this black hole can be swallowed by it.  How much powerful a black hole is,  it can make light travelling at a speed of 3 lakh kilometre per second towards it. And now you will know  - what a black hole is? How does it grow? What will happen to an object that enters into a black hole?                                  STABILITY OF A PLANET Hydrogen is the reason for a star to illuminate brightly.  These hydrogen atoms convert into helium in the process of nuclear fusion and release an enormous amount of energy and radiation.  At one side energy released from the core moves farther from it,  at another side its gravitationa