Classifying Galaxies

Front

What type of galaxy is the Milky Way?

Back

Spiral

Front

What are the main components of galaxies?

Back

Stars, dust, and gas held together by gravity.

Front

What type of galaxy is characterized by a smooth, featureless appearance and an ellipsoidal shape?

Back

Elliptical galaxy.

Front

What is the defining feature of spiral galaxies?

Back

They have a flat, rotating disk containing stars, gas, and dust, and often exhibit spiral arms.

Front

What type of galaxy has a bulge in the center and arms that spiral outward?

Back

Spiral galaxy.

Front

What is the difference between elliptical and spiral galaxies?

Back

Elliptical galaxies are smooth and featureless, while spiral galaxies have distinct arms and a disk structure.

Front

What type of galaxy is often found in clusters and has a more irregular shape?

Back

Irregular galaxy.

Front

What is the significance of the Hubble classification scheme?

Back

It categorizes galaxies based on their appearance into types such as spiral, elliptical, and irregular.

Front

What is a barred spiral galaxy?

Back

A spiral galaxy with a central bar-shaped structure made of stars.

Front

What type of galaxy is the Andromeda Galaxy?

Back

Spiral galaxy.