Question

what are the main morphological types of galaxies, and what is the difference in their rotation patterns?

Answer 1

The main morphological types of galaxies are elliptical, spiral, and irregular.

Based on their morphology , galaxies have been classified into 3 types namely elliptical, spiral, and irregular.

These galaxies have various sizes and shapes ranging from dwarf galaxies to giant galaxies.

Elliptical Galaxy:

• The shape of it is generally circular
• These are the largest among all the types of galaxies because according to astronomers, it is formed by the merger of other small galaxies.
• Their rotational pattern is symmetric.

Spiral Galaxy:

• A spiral galaxy consists of a bright nucleus surrounded by a thin outer disk forming a spiral shape.
• This type of galaxy is the most common in our universe.
• It is divided into three classes: Spiral a, Spiral b, and Spiral c.
• Their rotational pattern has circular symmetry.

Irregular Galaxy:

• These types of galaxies have no central nucleus and irregular arms which are bluish.
• They don’t have any rotational symmetry.

To know more about "galaxies", refer to the following link:

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