Galaxies Review

Front

What are galaxies composed of?

Back

Galaxies are composed of stars, dust, and gas held together by gravity.

Front

What type of galaxy is the Milky Way?

Back

The Milky Way is a Spiral Galaxy.

Front

What unit is used to measure distances in space?

Back

The unit used to measure distances in space is a Light year.

Front

What is a galaxy?

Back

A group of stars, star systems, star clusters, dust, and gas held together by gravity is known as a Galaxy.

Front

What are the three main types of galaxies?

Back

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

Front

What is the shape of a Spiral Galaxy?

Back

A Spiral Galaxy has a flat, rotating disk containing stars, gas, and dust, with a central concentration of stars known as the bulge.

Front

What distinguishes an Irregular Galaxy?

Back

An Irregular Galaxy does not have a distinct regular shape, unlike Spiral or Elliptical Galaxies.

Front

What is an Elliptical Galaxy?

Back

An Elliptical Galaxy is a type of galaxy that has an ellipsoidal shape and lacks the distinct features of spiral galaxies.

Front

How do galaxies form?

Back

Galaxies form from the gravitational attraction of matter in the universe, leading to the clumping of stars and gas.

Front

What is the largest galaxy in the Local Group?

Back

The largest galaxy in the Local Group is the Andromeda Galaxy.