One of the biggest questions in the scientific world right now revolves around something we can’t see, and can’t directly detect in any other way either. Based on the movements of galaxies, astronomers know that there must be something with significant mass affecting their gravity, but they don’t know what this substance is — or even if it is a substance at all. They call this unknown force dark matter….

Check out the original article: [Slashgear]A Supernova Could Help Uncover The Universe’s Most Mysterious Substance