How big is our Universe?
It's safe to say that most humans do not have the slightest knowledge about our universe and perhaps, for those who claim to have, believe that our universe is just a combined "heaven" and "earth". Whilst the best information we can get about the universe from some people is that it's made up of our simple solar system - the Sun, Moon and the conventional nine planets. Meanwhile, it's even more weird to realise that there are humans who aren't bothered with this - basic understanding of the universe. Undoubtedly, these are very basic knowledge which everyone should know... basic and very important. These information help us to understand our universe, to interact with it appropriately and shape our perception accordingly. So, how big is our universe? With our modern telescope, the farthest we have been able to observe is a universe that is 93 billion light years (wide) in diameter. Mind you, this is just how much we can observe. Thus the diameter