Not surprisingly, it would be called an irregular galaxy.
it is an "irregular galaxy".
There are four types of galaxies in the universe . A galaxy that has an undefined shaped is best classified as an irregular galaxy. 10% of galaxies are classified this way.
An irregular galaxy. [See related question]
A substance that has a defined volume but an undefined shape is a liquid. Liquids take the shape of their container but maintain a fixed volume.
It depends what shape the galaxy has.
The shape of the Milky Way (our galaxy) is the shape of a spiral.
irregular galaxy
An Irregular Galaxy is a galaxy that has no shape or form as defined by the classes of the "Hubble sequence" An Amorphous galaxy is a galaxy that has neither spiral nor elliptical in shape as defined by "The Atlas of Peculiar Galaxies". See related links for pictorial representation
First of all, it's a spiral galaxy, not an spiral galaxy. Second, a spiral galaxy would have a spiral shape, obviously.
The three different types of galaxies are the Spiral galaxy, the Elliptical galaxy, and the Irregular galaxy. Spiral galaxies are obviously in the shape of a spiral, elliptical galaxies are shaped as an ellipse, or a flat circle, and irregular galaxies can be any shape.
A spiral galaxy has the shape of a pinwheel. Our solar system is in a spiral galaxy that we call the Milky Way.