black hole

-Commonly regarded as the point of insection of any object compressed to within its Schwarzschild radius, at which it begins to collaps inward... -but more generally a condition in which an equation governing a physical law is pushed to an extreame not possible according to itself... ...essentially a physical manifestation of an asymptote or a infinite limit, solved for any complex equation... -for instance at some point any gravity related law can be manipulated to result in, oh say, a non-finite mass or in-constant time... ---Let me try and simplify, mathamatically the sum of an infitinte series can be infinite, physically it cannot, yet any physical equation can be integrated into a form where it can yeild similar results... uhh, let me try again........ -the sum of all mass in the universe is infinite, not too hard to accept -the sum of that infinite mass can be confined within a finite space, can't quite wrap your brain around it conceptually, so we call it a Blackhole!!