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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 am...