Top 10 Theories About Dark Energy
However, the information we have about the structure of our universe is derived from the mere 4 percent that we can observe, measure, and analyze—regular, ordinary matter. The remaining 96 percent is “dark” stuff. It is dark because we know nothing of it (and because physicists tend to lack creativity in the naming department). Of that 96 percent, roughly 68 percent is dark energy. This makes it the largest component of the universe, and right now, the most mysterious....