Galaxies

Front

What type of galaxy is characterized by a flat, rotating disk containing stars, gas, and dust, and a central concentration of stars known as the bulge?

Back

Spiral Galaxy

Front

What is the distance measurement used by astronomers to express distances to stars and galaxies, equivalent to the distance light travels in one year?

Back

Light Year

Front

What type of galaxy is typically composed of older stars and has an ellipsoidal shape?

Back

Elliptical Galaxy

Front

True or False: Galaxies are distributed evenly throughout the universe.

Back

False

Front

What are the elongated and curved sections that extend from the center of a spiral galaxy called?

Back

Spiral Arms

Front

What is the term for a galaxy that does not have a distinct shape and is often chaotic in appearance?

Back

Irregular Galaxy

Front

What is the name of the large group of stars, gas, and dust bound together by gravity, which can contain billions of stars?

Back

Galaxy

Front

What is the central region of a spiral galaxy that contains a high concentration of stars?

Back

Nuclear Bulge

Front

What type of galaxy is often found in clusters and can be very large, containing many billions of stars?

Back

Elliptical Galaxy

Front

What is the term for the collection of galaxies that are held together by gravity?

Back

Galaxy Cluster