Cosmology

First we all know space itself is a undefined concept. Some believe that it is nothing and some believe it is infinite while some believe it is finite and has some properties accord with laws of mathematics and physics. But why we need space and what if there is no space (i.e. there is no individual concept of space)? However, we are becoming more and more philosophical and our pragmatic values become too short in front of mysterious space. We think if there is no space then where universe expand into and where existence exists? This kind of question leads us to the world of “Self” where individuality become stronger and stronger and there is no hope for another space.  We know earth is in a habitable zone and solar system is in vast galaxy and galaxy is in a giant universe. But where is universe and where it expands? Is this a false perception about space or something exist beyond universe and what we called it a “Space”. Some of us believe it is dark because some reasons including