Unfolding the Universe: A Personal Inquiry into Space, Time, and the End of Everything
There was a moment recently when I was flipping through my IB Chemistry book, just going back to basics for a bit of revision, when I came across something we all learn early on: atoms can neither be created nor destroyed . That line stopped me in my tracks. It felt so final. So absolute. But then I thought, wait—if they can’t be created or destroyed, where did they even come from in the first place? That one thought opened a whole door in my mind. If atoms are always there, or at least the energy that forms them is always there, then what did the Big Bang actually do? Did it create matter? No—it couldn’t have, right? So maybe it didn’t create matter or energy. Maybe it just spread it out . That was the first moment I began to rethink what cosmic expansion might actually mean. Where Does Matter Go When the Universe Expands? Cosmic expansion is a well-accepted idea, especially following the discovery that galaxies are moving away from each other. Scientists say that space itself is expa...