Galaxy flashcard

Front

What is an irregular galaxy?

Back

An irregular galaxy is a type of galaxy that does not have a defined shape or structure, often appearing chaotic in form.

Front

What are the three main types of galaxies?

Back

The three main types of galaxies are spiral, elliptical, and irregular.

Front

What is a spiral galaxy?

Back

A spiral galaxy is a type of galaxy characterized by its spiral arms that wind outward from the center, containing stars, gas, and dust.

Tags

NGSS.MS-ESS1-2

Front

What is an elliptical galaxy?

Back

An elliptical galaxy is a type of galaxy that has an oval shape and lacks the distinct features of spiral galaxies, often containing older stars.

Front

What galaxy contains our solar system?

Back

The Milky Way galaxy contains our solar system.

Front

What is the defining feature of a spiral galaxy?

Back

The defining feature of a spiral galaxy is its spiral structure, with arms that extend outward from the center.

Front

What is the difference between elliptical and spiral galaxies?

Back

Elliptical galaxies are oval-shaped and contain older stars, while spiral galaxies have a distinct spiral structure and contain younger stars.

Front

Can galaxies change types over time?

Back

Yes, galaxies can change types over time due to gravitational interactions and mergers with other galaxies.

Front

What is the largest galaxy in our local group?

Back

The Andromeda galaxy is the largest galaxy in our local group.

Front

What is a galaxy cluster?

Back

A galaxy cluster is a group of galaxies that are held together by gravity.