Galaxy Types Flashcard

Front

What type of galaxy is the Milky Way?

Back

Spiral

Front

What is a characteristic feature of spiral galaxies?

Back

They have a flat, rotating disk with spiral arms.

Front

What is the main difference between elliptical and spiral galaxies?

Back

Elliptical galaxies have a smooth, featureless appearance, while spiral galaxies have a flat, rotating disk with spiral arms.

Front

Why do irregular galaxies not fit into the categories of spiral or elliptical galaxies?

Back

They lack a defined shape and structure.

Front

Where is Earth’s solar system located within the Milky Way galaxy?

Back

In one of the spiral arms.

Front

What are the three main types of galaxies?

Back

Spiral, elliptical, and irregular.

Front

What is the appearance of elliptical galaxies?

Back

They have a smooth, featureless appearance.

Front

What are the main components of spiral galaxies?

Back

They consist of a central bulge, a flat rotating disk, and spiral arms.

Front

What type of stars are typically found in elliptical galaxies?

Back

They are composed mostly of older, red stars.

Front

What distinguishes irregular galaxies from other types?

Back

They have no defined shape or structure.