Front

What is a galaxy?

Back

A galaxy is a massive system that consists of stars, star clusters, dust, gas, and dark matter, bound together by gravity.

Front

What are the three main types of galaxies?

Back

The three main types of galaxies are Spiral, Elliptical, and Irregular.

Front

What is a Spiral Galaxy?

Back

A spiral galaxy is characterized by its spiral arms that wind outward from the center, containing stars, gas, and dust.

Front

What is an Elliptical Galaxy?

Back

An elliptical galaxy has an oval shape and lacks the distinct arms of spiral galaxies, often containing older stars.

Front

What is an Irregular Galaxy?

Back

An irregular galaxy does not have a defined shape or structure, often appearing chaotic and containing young stars.

Front

Give an example of a Spiral Galaxy.

Back

The Milky Way is an example of a spiral galaxy.

Front

Give an example of an Elliptical Galaxy.

Back

The Andromeda Galaxy is an example of an elliptical galaxy.

Front

Give an example of an Irregular Galaxy.

Back

The Large Magellanic Cloud is an example of an irregular galaxy.

Front

What is the main difference between Spiral and Elliptical Galaxies?

Back

Spiral galaxies have a flat, rotating disk with spiral arms, while elliptical galaxies are more rounded and do not have spiral structures.

Front

What type of stars are commonly found in Spiral Galaxies?

Back

Spiral galaxies often contain a mix of young and old stars, with many young stars found in the spiral arms.