Black Monsters!? Black holes are the most mysterious objects in our universe. All we know about them are just theories. Hawkings Radiation, Singularity, Accretion disk, Ergosphere, Quasars, Spacetime, Time Travel, Supernova etc. are the terms you probably heard whenever someone talks about the black holes. Are they monsters? Let's see detail. SpaceTime According to Albert Einstein's theory of Relativity, Space and Time are not two separate things but they are one. For example, If you wanted to meet your friend in the town hall (space) at 5 PM (time) then you have to tell him/her both of these therefore SpaceTime, anyone of this could not help your friend to understand. Have you know there are three dimensions Height, Breadth, Length but SpaceTime is the fourth dimension your location is measured in all these four dimensions. This means you are sitting here reading this blog at someplace (with its location in three dimensions) at some time (location in time). Imagine that the w...