Front

A light year is the measurement of ________ light travels in one year.

Back

distance

Front

This type of galaxy contains a lot of dust and gas.

Back

irregular

Front

The Milky Way is the ______ galaxy in which we live in.

Back

spiral

Front

The most abundant type of galaxy that has a smooth circular or oval shape is called ________.

Back

elliptical galaxy

Front

This type of galaxy contains very little dust and gas.

Back

elliptical

Front

What is the shape of a spiral galaxy?

Back

It has arms that spiral outward from the center.

Front

What is the main characteristic of an irregular galaxy?

Back

It does not have a defined shape and contains a lot of gas and dust.

Front

What type of galaxy is the Andromeda Galaxy?

Back

spiral galaxy

Front

What is the primary component of elliptical galaxies?

Back

Stars, with very little gas and dust.

Front

What distinguishes a spiral galaxy from an elliptical galaxy?

Back

Spiral galaxies have arms and contain more gas and dust.