Online Encyclopedia of Western Signs and Ideograms Symbols.com

Symbol 26:6

2606b

26:6 · When the longitudinal axis is diagonal the preceding entry sign's structure is used to denote tones as the main note sign in the Western system of musical notation.
    It is also used as a sign for galaxy in one US astronomical sign system, i.e. one of the largest entities of matter in the universe, a system consisting of billions of sun systems.