Flocculent spiral galaxy

Patchy galaxy with discontinuous spiral arms

Flocculent spiral galaxy

A flocculent spiral galaxy is a type of spiral galaxy. Unlike the well-defined spiral architecture of a grand design spiral galaxy, flocculent (meaning "fluffy") galaxies are patchy, with discontinuous spiral arms. Self-propagating star formation is the apparent explanation for the structure of flocculent spirals.

From Wikipedia, under CC BY-SA. More on occurri.