Einstein's Theory of relativity is definitely one of those few theories
in the history of physics, that changed the way we see things. It
revolutionized the cosmology in such a way that many physicists who are
struggling in their respective lines of research produced some
shockingly interesting results.
Black holes is one such shocking yet interesting result and in fact is a revolution.
So, what is a black hole?
Well!,
there are a lot of definitions, and in the simple possible way: A Black
hole is a region in space-time with such an immense gravitational pull
towards its center that even light cannot escape out of it.
How is Einstein's 'Theory of relativity' responsible for its formation?