12. Black Holes
Black holes are renowned for their insatiable hunger, exerting such immense gravitational force that not even light can evade their grasp. However, there exists a theoretical counterpart to these enigmatic entities known as white holes White holes represent the antithesis of their dark counterparts, emitting light and matter instead of ensnaring it within their gravitational pull As of now, white holes remain entirely theoretical constructs, and astronomers are actively exploring the potential mechanisms by which they could come into existence in the real universe