Astronomers believe that at the center of every galaxy is a super-massive black hole. Planets, stars, and galactic objects ultimately orbit around this central black hole. Black holes are awe-inspiring structures whose existence and behavior are predicted by our current understanding of physics, however, they manifest extraordinary phenomena that stretch our understanding of the universe. The science in support of black holes requires the presence of matter that is, so far, unseen by scientists. This unseen matter and its energy is said to make up as much as 96% of the known universe. Dark matter, its structure and energy, explains how the universe works.
展开▼
