Galaxies

Front

What is a galaxy?

Back

A galaxy is a massive system that consists of stars, star clusters, gas, dust, and dark matter, all bound together by gravity.

Front

What are the main types of galaxies?

Back

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

Front

How are galaxies classified?

Back

Galaxies are classified based on their observable characteristics, primarily their shape.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Tags

NGSS.MS-ESS1-2

Front

What is a galactic cluster?

Back

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

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.

Front

What is a spiral galaxy?

Back

A spiral galaxy is a type of galaxy characterized by its spiral arms that wind outwards from the center.

Tags

NGSS.MS-ESS1-2

Front

What is an irregular galaxy?

Back

An irregular galaxy is a type of galaxy that does not have a distinct regular shape, often appearing chaotic.

Front

What are the components of a galaxy?

Back

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

Front

What role does gravity play in galaxies?

Back

Gravity is the force that holds the components of a galaxy together, including stars, gas, and dust.

Tags

NGSS.HS-PS2-4