Galaxy types flashcard

Front

What is the distance measurement used by astronomers for distant objects?

Back

Light Years are used to measure astronomical distances, representing how far light travels in one year.

Front

What is the most common type of galaxy in the universe?

Back

The most common type of galaxy is the Elliptical Galaxy, which makes up about 60% of all galaxies.

Front

What type of galaxy is characterized by a spiral shape?

Back

A Spiral Galaxy is characterized by its spiral structure, with arms that extend outward from the center.

Front

What type of galaxy contains new stars and has no defined shape?

Back

An Irregular Galaxy contains new stars and lacks a distinct shape, often appearing chaotic.

Front

What type of galaxy is known for its smooth, featureless appearance?

Back

An Elliptical Galaxy is known for its smooth, featureless appearance and is often older than other types.

Front

What is the defining feature of a Spiral Galaxy?

Back

The defining feature of a Spiral Galaxy is its spiral arms that wind outward from the center.

Front

What type of galaxy is often rich in gas and dust?

Back

Spiral Galaxies are often rich in gas and dust, which are essential for star formation.

Front

What is the difference between a Spiral Galaxy and an Elliptical Galaxy?

Back

Spiral Galaxies have a distinct spiral structure and are often younger, while Elliptical Galaxies are smooth and featureless, often containing older stars.

Front

What type of galaxy is typically found in clusters?

Back

Elliptical Galaxies are typically found in clusters, often being the largest galaxies in those groups.

Front

What is an example of an Irregular Galaxy?

Back

The Large Magellanic Cloud is an example of an Irregular Galaxy.