This World and Me

We are a speck, a sliver, a grain in this massive universe. No, "massive" would be a huge understatement. The universe is indescribably large. First of all, there are two kinds of perspectives you can take for sizing the universe. There is the universe, and then there is the "observable universe". The universe is the "totality of existence". It's the sum of all matter, energy, and events that exist. The observable universe  only includes the part of the universe which Earth can detect and observe  through the use of tools such as telescopes. Wait. We can only see a part of the universe? That's right. Everyone knows that light travels at a constant speed in space: the speed of light. Everyone also knows that nothing can travel faster than the speed of light. Light itself cannot travel faster than the cosmic speed limit. From the point of the Big Bang to now, the universe has expanded quite a lot. It's even created us and the Earth. But lig...