Dark - Matter

As early as the 1930s, Swiss astronomer Fritz Zwicky noticed that galaxies in the Coma Cluster were moving far too fast to be held together by visible matter alone. He coined the term "dunkle Materie" (dark matter) to describe the missing mass. Gravitational Lensing

Dark matter is one of the most significant mysteries in modern science, representing a substance that does not emit, absorb, or reflect light, yet exerts a powerful gravitational pull on the universe. While it remains invisible to traditional telescopes, its presence is inferred by its impact on the visible world. The Cosmic Invisible Dark Matter

It provides the "glue" that keeps galaxies from flying apart. As early as the 1930s, Swiss astronomer Fritz