Question

What is an irregular galaxy?

Answer 1

They are one of the types of the galaxies which do not possess a particular shape which are commonly small as compared to other galaxy shapes.

Explanation:

Irregular galaxy is a broad term used to refer those galaxies which do not have a distinct shape or structure as the elliptical or spiral galaxy.

But they are thought to be of the distinct shapes once but due to an uneven external gravitation force have deformed themselves resulting in their present deformed shape.

Here is an irregular galaxy:-