Galaxies

Front

What are the three main components that make up a galaxy?

Back

Stars, dust, and gas held together by gravity.

Tags

NGSS.MS-ESS1-2

Front

What type of galaxy is characterized by a spiral structure?

Back

Spiral galaxy.

Front

What is the defining feature of an irregular galaxy?

Back

It has no defined pattern or shape.

Front

What type of stars are considered to have higher than average luminosity and lower than average temperature?

Back

Super Giants.

Front

Which type of star is the hottest?

Back

Blue Star.

Front

What is the primary force that holds galaxies together?

Back

Gravity.

Tags

NGSS.HS-PS2-4

Front

What are the two main types of galaxies based on their shape?

Back

Spiral and elliptical galaxies.

Front

What is the difference between a spiral galaxy and an elliptical galaxy?

Back

Spiral galaxies have a distinct spiral structure, while elliptical galaxies are more rounded and lack a defined structure.

Front

What is the significance of the HR Diagram in astronomy?

Back

It classifies stars based on their luminosity and temperature.

Front

What type of galaxy is often found at the center of galaxy clusters?

Back

Giant elliptical galaxies.