HR Diagram

Front

What is the HR Diagram?

Back

The HR Diagram (Hertzsprung-Russell Diagram) is a scatter plot that shows the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.

Front

Where is our sun located on the HR Diagram?

Back

The sun is located in Quadrant 4 of the HR Diagram.

Front

Which color of star is the hottest?

Back

Blue Star is the hottest among the star colors.

Front

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

Back

Stars get hotter as you move to the left.

Front

Where are red giants located on the HR Diagram?

Back

Red giants are located in Area X of the HR Diagram.

Front

How is our sun classified in terms of size and temperature?

Back

Our sun is classified as medium size with medium temperature.

Front

What does the vertical axis of the HR Diagram represent?

Back

The vertical axis represents the luminosity or brightness of stars.

Front

What does the horizontal axis of the HR Diagram represent?

Back

The horizontal axis represents the temperature of stars, usually in Kelvin.

Front

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

Back

The upper right corner contains red giants and supergiants.

Front

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

Back

The lower left corner contains white dwarfs.