Hello, first post here. I'm a layman to be sure in this area (I'm a construction estimator by trade) but could not help but wonder about an idea I got while watching The Science Channel tonight. The show I was watching was about dark matter. I'm fairly sure you guys can explain to me why I'm wrong so if you don't mind, would you please?<br />Pardon my simplistic and possibly naive explanation. Feel free to me what you exactly what you think, I can take it.<br /><br />Here's my idea - <br /><br />If the mass of the universe is made up of approx. 6% solid matter, could the balance and unseen matter be a product of time? In other words, could there be diminishing residual effects of mass over time. Perhaps mass is relative to time. Maybe it's gravity I'm talking about, I'm not sure.<br /> <br />Perhaps mass diminishes at the speed of light and that allows enough time for the diminishing residual mass of the huge mass that is in our universe to increasingly accumulate. Maybe this could explain why the universe is expanding.<br /><br />So if someone could please tell me why this makes no sense I would be grateful as I could then get the idea out of my head.