Unit 6 HR Diagram

Front

What happens to stars as we move to the left on the HR Diagram?

Back

Stars get Hotter.

Front

What is the primary factor that determines a star's color?

Back

Temperature.

Front

What type of stars are red stars classified as?

Back

Coolest.

Front

In which category is our Sun located on the HR Diagram?

Back

Main Sequence.

Front

Which star is considered average in luminosity, temperature, and magnitude?

Back

Sun.

Front

What does the HR Diagram plot?

Back

The relationship between a star's luminosity and its temperature.

Front

What are the two main axes of the HR Diagram?

Back

Luminosity (vertical axis) and Temperature (horizontal axis).

Front

What type of stars are found in the upper right corner of the HR Diagram?

Back

Supergiants.

Front

What type of stars are found in the lower left corner of the HR Diagram?

Back

White Dwarfs.

Front

What is the significance of the Main Sequence on the HR Diagram?

Back

It represents the stage in a star's life where it fuses hydrogen into helium.